From 52409fae3e4b8d16b68b61902fc09075cd97b75d Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Sun, 2 Jul 2017 16:41:37 +0200 Subject: Backports generated from 4.11 kernel Initial commit. Signed-off-by: Dominik Sliwa --- .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 6397 ++++++++++++++++++++ 1 file changed, 6397 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c') diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c new file mode 100644 index 0000000..f435c44 --- /dev/null +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -0,0 +1,6397 @@ +/* + * RTL8XXXU mac80211 USB driver + * + * Copyright (c) 2014 - 2017 Jes Sorensen + * + * Portions, notably calibration code: + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + * This driver was written as a replacement for the vendor provided + * rtl8723au driver. As the Realtek 8xxx chips are very similar in + * their programming interface, I have started adding support for + * additional 8xxx chips like the 8192cu, 8188cus, etc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "rtl8xxxu.h" +#include "rtl8xxxu_regs.h" + +#define DRIVER_NAME "rtl8xxxu" + +int rtl8xxxu_debug = RTL8XXXU_DEBUG_EFUSE; +static bool rtl8xxxu_ht40_2g; +static bool rtl8xxxu_dma_aggregation; +static int rtl8xxxu_dma_agg_timeout = -1; +static int rtl8xxxu_dma_agg_pages = -1; + +MODULE_AUTHOR("Jes Sorensen "); +MODULE_DESCRIPTION("RTL8XXXu USB mac80211 Wireless LAN Driver"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("rtlwifi/rtl8723aufw_A.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8723aufw_B.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8723aufw_B_NoBT.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192cufw_A.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192cufw_B.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192cufw_TMSC.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8192eu_nic.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8723bu_nic.bin"); +MODULE_FIRMWARE("rtlwifi/rtl8723bu_bt.bin"); + +module_param_named(debug, rtl8xxxu_debug, int, 0600); +MODULE_PARM_DESC(debug, "Set debug mask"); +module_param_named(ht40_2g, rtl8xxxu_ht40_2g, bool, 0600); +MODULE_PARM_DESC(ht40_2g, "Enable HT40 support on the 2.4GHz band"); +module_param_named(dma_aggregation, rtl8xxxu_dma_aggregation, bool, 0600); +MODULE_PARM_DESC(dma_aggregation, "Enable DMA packet aggregation"); +module_param_named(dma_agg_timeout, rtl8xxxu_dma_agg_timeout, int, 0600); +MODULE_PARM_DESC(dma_agg_timeout, "Set DMA aggregation timeout (range 1-127)"); +module_param_named(dma_agg_pages, rtl8xxxu_dma_agg_pages, int, 0600); +MODULE_PARM_DESC(dma_agg_pages, "Set DMA aggregation pages (range 1-127, 0 to disable)"); + +#define USB_VENDOR_ID_REALTEK 0x0bda +#define RTL8XXXU_RX_URBS 32 +#define RTL8XXXU_RX_URB_PENDING_WATER 8 +#define RTL8XXXU_TX_URBS 64 +#define RTL8XXXU_TX_URB_LOW_WATER 25 +#define RTL8XXXU_TX_URB_HIGH_WATER 32 + +static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_rx_urb *rx_urb); + +static struct ieee80211_rate rtl8xxxu_rates[] = { + { .bitrate = 10, .hw_value = DESC_RATE_1M, .flags = 0 }, + { .bitrate = 20, .hw_value = DESC_RATE_2M, .flags = 0 }, + { .bitrate = 55, .hw_value = DESC_RATE_5_5M, .flags = 0 }, + { .bitrate = 110, .hw_value = DESC_RATE_11M, .flags = 0 }, + { .bitrate = 60, .hw_value = DESC_RATE_6M, .flags = 0 }, + { .bitrate = 90, .hw_value = DESC_RATE_9M, .flags = 0 }, + { .bitrate = 120, .hw_value = DESC_RATE_12M, .flags = 0 }, + { .bitrate = 180, .hw_value = DESC_RATE_18M, .flags = 0 }, + { .bitrate = 240, .hw_value = DESC_RATE_24M, .flags = 0 }, + { .bitrate = 360, .hw_value = DESC_RATE_36M, .flags = 0 }, + { .bitrate = 480, .hw_value = DESC_RATE_48M, .flags = 0 }, + { .bitrate = 540, .hw_value = DESC_RATE_54M, .flags = 0 }, +}; + +static struct ieee80211_channel rtl8xxxu_channels_2g[] = { + { .band = NL80211_BAND_2GHZ, .center_freq = 2412, + .hw_value = 1, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2417, + .hw_value = 2, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2422, + .hw_value = 3, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2427, + .hw_value = 4, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2432, + .hw_value = 5, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2437, + .hw_value = 6, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2442, + .hw_value = 7, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2447, + .hw_value = 8, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2452, + .hw_value = 9, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2457, + .hw_value = 10, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2462, + .hw_value = 11, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2467, + .hw_value = 12, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2472, + .hw_value = 13, .max_power = 30 }, + { .band = NL80211_BAND_2GHZ, .center_freq = 2484, + .hw_value = 14, .max_power = 30 } +}; + +static struct ieee80211_supported_band rtl8xxxu_supported_band = { + .channels = rtl8xxxu_channels_2g, + .n_channels = ARRAY_SIZE(rtl8xxxu_channels_2g), + .bitrates = rtl8xxxu_rates, + .n_bitrates = ARRAY_SIZE(rtl8xxxu_rates), +}; + +struct rtl8xxxu_reg8val rtl8xxxu_gen1_mac_init_table[] = { + {0x420, 0x80}, {0x423, 0x00}, {0x430, 0x00}, {0x431, 0x00}, + {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05}, + {0x436, 0x06}, {0x437, 0x07}, {0x438, 0x00}, {0x439, 0x00}, + {0x43a, 0x00}, {0x43b, 0x01}, {0x43c, 0x04}, {0x43d, 0x05}, + {0x43e, 0x06}, {0x43f, 0x07}, {0x440, 0x5d}, {0x441, 0x01}, + {0x442, 0x00}, {0x444, 0x15}, {0x445, 0xf0}, {0x446, 0x0f}, + {0x447, 0x00}, {0x458, 0x41}, {0x459, 0xa8}, {0x45a, 0x72}, + {0x45b, 0xb9}, {0x460, 0x66}, {0x461, 0x66}, {0x462, 0x08}, + {0x463, 0x03}, {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, + {0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, + {0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, + {0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, + {0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, + {0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, + {0x515, 0x10}, {0x516, 0x0a}, {0x517, 0x10}, {0x51a, 0x16}, + {0x524, 0x0f}, {0x525, 0x4f}, {0x546, 0x40}, {0x547, 0x00}, + {0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55a, 0x02}, + {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, + {0x652, 0x20}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, + {0x63f, 0x0e}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, + {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, + {0x70a, 0x65}, {0x70b, 0x87}, {0xffff, 0xff}, +}; + +static struct rtl8xxxu_reg32val rtl8723a_phy_1t_init_table[] = { + {0x800, 0x80040000}, {0x804, 0x00000003}, + {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, + {0x810, 0x10001331}, {0x814, 0x020c3d10}, + {0x818, 0x02200385}, {0x81c, 0x00000000}, + {0x820, 0x01000100}, {0x824, 0x00390004}, + {0x828, 0x00000000}, {0x82c, 0x00000000}, + {0x830, 0x00000000}, {0x834, 0x00000000}, + {0x838, 0x00000000}, {0x83c, 0x00000000}, + {0x840, 0x00010000}, {0x844, 0x00000000}, + {0x848, 0x00000000}, {0x84c, 0x00000000}, + {0x850, 0x00000000}, {0x854, 0x00000000}, + {0x858, 0x569a569a}, {0x85c, 0x001b25a4}, + {0x860, 0x66f60110}, {0x864, 0x061f0130}, + {0x868, 0x00000000}, {0x86c, 0x32323200}, + {0x870, 0x07000760}, {0x874, 0x22004000}, + {0x878, 0x00000808}, {0x87c, 0x00000000}, + {0x880, 0xc0083070}, {0x884, 0x000004d5}, + {0x888, 0x00000000}, {0x88c, 0xccc000c0}, + {0x890, 0x00000800}, {0x894, 0xfffffffe}, + {0x898, 0x40302010}, {0x89c, 0x00706050}, + {0x900, 0x00000000}, {0x904, 0x00000023}, + {0x908, 0x00000000}, {0x90c, 0x81121111}, + {0xa00, 0x00d047c8}, {0xa04, 0x80ff000c}, + {0xa08, 0x8c838300}, {0xa0c, 0x2e68120f}, + {0xa10, 0x9500bb78}, {0xa14, 0x11144028}, + {0xa18, 0x00881117}, {0xa1c, 0x89140f00}, + {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317}, + {0xa28, 0x00000204}, {0xa2c, 0x00d30000}, + {0xa70, 0x101fbf00}, {0xa74, 0x00000007}, + {0xa78, 0x00000900}, + {0xc00, 0x48071d40}, {0xc04, 0x03a05611}, + {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c}, + {0xc10, 0x08800000}, {0xc14, 0x40000100}, + {0xc18, 0x08800000}, {0xc1c, 0x40000100}, + {0xc20, 0x00000000}, {0xc24, 0x00000000}, + {0xc28, 0x00000000}, {0xc2c, 0x00000000}, + {0xc30, 0x69e9ac44}, {0xc34, 0x469652af}, + {0xc38, 0x49795994}, {0xc3c, 0x0a97971c}, + {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7}, + {0xc48, 0xec020107}, {0xc4c, 0x007f037f}, + {0xc50, 0x69543420}, {0xc54, 0x43bc0094}, + {0xc58, 0x69543420}, {0xc5c, 0x433c0094}, + {0xc60, 0x00000000}, {0xc64, 0x7112848b}, + {0xc68, 0x47c00bff}, {0xc6c, 0x00000036}, + {0xc70, 0x2c7f000d}, {0xc74, 0x018610db}, + {0xc78, 0x0000001f}, {0xc7c, 0x00b91612}, + {0xc80, 0x40000100}, {0xc84, 0x20f60000}, + {0xc88, 0x40000100}, {0xc8c, 0x20200000}, + {0xc90, 0x00121820}, {0xc94, 0x00000000}, + {0xc98, 0x00121820}, {0xc9c, 0x00007f7f}, + {0xca0, 0x00000000}, {0xca4, 0x00000080}, + {0xca8, 0x00000000}, {0xcac, 0x00000000}, + {0xcb0, 0x00000000}, {0xcb4, 0x00000000}, + {0xcb8, 0x00000000}, {0xcbc, 0x28000000}, + {0xcc0, 0x00000000}, {0xcc4, 0x00000000}, + {0xcc8, 0x00000000}, {0xccc, 0x00000000}, + {0xcd0, 0x00000000}, {0xcd4, 0x00000000}, + {0xcd8, 0x64b22427}, {0xcdc, 0x00766932}, + {0xce0, 0x00222222}, {0xce4, 0x00000000}, + {0xce8, 0x37644302}, {0xcec, 0x2f97d40c}, + {0xd00, 0x00080740}, {0xd04, 0x00020401}, + {0xd08, 0x0000907f}, {0xd0c, 0x20010201}, + {0xd10, 0xa0633333}, {0xd14, 0x3333bc43}, + {0xd18, 0x7a8f5b6b}, {0xd2c, 0xcc979975}, + {0xd30, 0x00000000}, {0xd34, 0x80608000}, + {0xd38, 0x00000000}, {0xd3c, 0x00027293}, + {0xd40, 0x00000000}, {0xd44, 0x00000000}, + {0xd48, 0x00000000}, {0xd4c, 0x00000000}, + {0xd50, 0x6437140a}, {0xd54, 0x00000000}, + {0xd58, 0x00000000}, {0xd5c, 0x30032064}, + {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, + {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, + {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, + {0xd78, 0x000e3c24}, {0xe00, 0x2a2a2a2a}, + {0xe04, 0x2a2a2a2a}, {0xe08, 0x03902a2a}, + {0xe10, 0x2a2a2a2a}, {0xe14, 0x2a2a2a2a}, + {0xe18, 0x2a2a2a2a}, {0xe1c, 0x2a2a2a2a}, + {0xe28, 0x00000000}, {0xe30, 0x1000dc1f}, + {0xe34, 0x10008c1f}, {0xe38, 0x02140102}, + {0xe3c, 0x681604c2}, {0xe40, 0x01007c00}, + {0xe44, 0x01004800}, {0xe48, 0xfb000000}, + {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f}, + {0xe54, 0x10008c1f}, {0xe58, 0x02140102}, + {0xe5c, 0x28160d05}, {0xe60, 0x00000008}, + {0xe68, 0x001b25a4}, {0xe6c, 0x631b25a0}, + {0xe70, 0x631b25a0}, {0xe74, 0x081b25a0}, + {0xe78, 0x081b25a0}, {0xe7c, 0x081b25a0}, + {0xe80, 0x081b25a0}, {0xe84, 0x631b25a0}, + {0xe88, 0x081b25a0}, {0xe8c, 0x631b25a0}, + {0xed0, 0x631b25a0}, {0xed4, 0x631b25a0}, + {0xed8, 0x631b25a0}, {0xedc, 0x001b25a0}, + {0xee0, 0x001b25a0}, {0xeec, 0x6b1b25a0}, + {0xf14, 0x00000003}, {0xf4c, 0x00000000}, + {0xf00, 0x00000300}, + {0xffff, 0xffffffff}, +}; + +static struct rtl8xxxu_reg32val rtl8192cu_phy_2t_init_table[] = { + {0x024, 0x0011800f}, {0x028, 0x00ffdb83}, + {0x800, 0x80040002}, {0x804, 0x00000003}, + {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, + {0x810, 0x10000330}, {0x814, 0x020c3d10}, + {0x818, 0x02200385}, {0x81c, 0x00000000}, + {0x820, 0x01000100}, {0x824, 0x00390004}, + {0x828, 0x01000100}, {0x82c, 0x00390004}, + {0x830, 0x27272727}, {0x834, 0x27272727}, + {0x838, 0x27272727}, {0x83c, 0x27272727}, + {0x840, 0x00010000}, {0x844, 0x00010000}, + {0x848, 0x27272727}, {0x84c, 0x27272727}, + {0x850, 0x00000000}, {0x854, 0x00000000}, + {0x858, 0x569a569a}, {0x85c, 0x0c1b25a4}, + {0x860, 0x66e60230}, {0x864, 0x061f0130}, + {0x868, 0x27272727}, {0x86c, 0x2b2b2b27}, + {0x870, 0x07000700}, {0x874, 0x22184000}, + {0x878, 0x08080808}, {0x87c, 0x00000000}, + {0x880, 0xc0083070}, {0x884, 0x000004d5}, + {0x888, 0x00000000}, {0x88c, 0xcc0000c0}, + {0x890, 0x00000800}, {0x894, 0xfffffffe}, + {0x898, 0x40302010}, {0x89c, 0x00706050}, + {0x900, 0x00000000}, {0x904, 0x00000023}, + {0x908, 0x00000000}, {0x90c, 0x81121313}, + {0xa00, 0x00d047c8}, {0xa04, 0x80ff000c}, + {0xa08, 0x8c838300}, {0xa0c, 0x2e68120f}, + {0xa10, 0x9500bb78}, {0xa14, 0x11144028}, + {0xa18, 0x00881117}, {0xa1c, 0x89140f00}, + {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317}, + {0xa28, 0x00000204}, {0xa2c, 0x00d30000}, + {0xa70, 0x101fbf00}, {0xa74, 0x00000007}, + {0xc00, 0x48071d40}, {0xc04, 0x03a05633}, + {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c}, + {0xc10, 0x08800000}, {0xc14, 0x40000100}, + {0xc18, 0x08800000}, {0xc1c, 0x40000100}, + {0xc20, 0x00000000}, {0xc24, 0x00000000}, + {0xc28, 0x00000000}, {0xc2c, 0x00000000}, + {0xc30, 0x69e9ac44}, {0xc34, 0x469652cf}, + {0xc38, 0x49795994}, {0xc3c, 0x0a97971c}, + {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7}, + {0xc48, 0xec020107}, {0xc4c, 0x007f037f}, + {0xc50, 0x69543420}, {0xc54, 0x43bc0094}, + {0xc58, 0x69543420}, {0xc5c, 0x433c0094}, + {0xc60, 0x00000000}, {0xc64, 0x5116848b}, + {0xc68, 0x47c00bff}, {0xc6c, 0x00000036}, + {0xc70, 0x2c7f000d}, {0xc74, 0x2186115b}, + {0xc78, 0x0000001f}, {0xc7c, 0x00b99612}, + {0xc80, 0x40000100}, {0xc84, 0x20f60000}, + {0xc88, 0x40000100}, {0xc8c, 0xa0e40000}, + {0xc90, 0x00121820}, {0xc94, 0x00000000}, + {0xc98, 0x00121820}, {0xc9c, 0x00007f7f}, + {0xca0, 0x00000000}, {0xca4, 0x00000080}, + {0xca8, 0x00000000}, {0xcac, 0x00000000}, + {0xcb0, 0x00000000}, {0xcb4, 0x00000000}, + {0xcb8, 0x00000000}, {0xcbc, 0x28000000}, + {0xcc0, 0x00000000}, {0xcc4, 0x00000000}, + {0xcc8, 0x00000000}, {0xccc, 0x00000000}, + {0xcd0, 0x00000000}, {0xcd4, 0x00000000}, + {0xcd8, 0x64b22427}, {0xcdc, 0x00766932}, + {0xce0, 0x00222222}, {0xce4, 0x00000000}, + {0xce8, 0x37644302}, {0xcec, 0x2f97d40c}, + {0xd00, 0x00080740}, {0xd04, 0x00020403}, + {0xd08, 0x0000907f}, {0xd0c, 0x20010201}, + {0xd10, 0xa0633333}, {0xd14, 0x3333bc43}, + {0xd18, 0x7a8f5b6b}, {0xd2c, 0xcc979975}, + {0xd30, 0x00000000}, {0xd34, 0x80608000}, + {0xd38, 0x00000000}, {0xd3c, 0x00027293}, + {0xd40, 0x00000000}, {0xd44, 0x00000000}, + {0xd48, 0x00000000}, {0xd4c, 0x00000000}, + {0xd50, 0x6437140a}, {0xd54, 0x00000000}, + {0xd58, 0x00000000}, {0xd5c, 0x30032064}, + {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, + {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, + {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, + {0xd78, 0x000e3c24}, {0xe00, 0x2a2a2a2a}, + {0xe04, 0x2a2a2a2a}, {0xe08, 0x03902a2a}, + {0xe10, 0x2a2a2a2a}, {0xe14, 0x2a2a2a2a}, + {0xe18, 0x2a2a2a2a}, {0xe1c, 0x2a2a2a2a}, + {0xe28, 0x00000000}, {0xe30, 0x1000dc1f}, + {0xe34, 0x10008c1f}, {0xe38, 0x02140102}, + {0xe3c, 0x681604c2}, {0xe40, 0x01007c00}, + {0xe44, 0x01004800}, {0xe48, 0xfb000000}, + {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f}, + {0xe54, 0x10008c1f}, {0xe58, 0x02140102}, + {0xe5c, 0x28160d05}, {0xe60, 0x00000010}, + {0xe68, 0x001b25a4}, {0xe6c, 0x63db25a4}, + {0xe70, 0x63db25a4}, {0xe74, 0x0c1b25a4}, + {0xe78, 0x0c1b25a4}, {0xe7c, 0x0c1b25a4}, + {0xe80, 0x0c1b25a4}, {0xe84, 0x63db25a4}, + {0xe88, 0x0c1b25a4}, {0xe8c, 0x63db25a4}, + {0xed0, 0x63db25a4}, {0xed4, 0x63db25a4}, + {0xed8, 0x63db25a4}, {0xedc, 0x001b25a4}, + {0xee0, 0x001b25a4}, {0xeec, 0x6fdb25a4}, + {0xf14, 0x00000003}, {0xf4c, 0x00000000}, + {0xf00, 0x00000300}, + {0xffff, 0xffffffff}, +}; + +static struct rtl8xxxu_reg32val rtl8188ru_phy_1t_highpa_table[] = { + {0x024, 0x0011800f}, {0x028, 0x00ffdb83}, + {0x040, 0x000c0004}, {0x800, 0x80040000}, + {0x804, 0x00000001}, {0x808, 0x0000fc00}, + {0x80c, 0x0000000a}, {0x810, 0x10005388}, + {0x814, 0x020c3d10}, {0x818, 0x02200385}, + {0x81c, 0x00000000}, {0x820, 0x01000100}, + {0x824, 0x00390204}, {0x828, 0x00000000}, + {0x82c, 0x00000000}, {0x830, 0x00000000}, + {0x834, 0x00000000}, {0x838, 0x00000000}, + {0x83c, 0x00000000}, {0x840, 0x00010000}, + {0x844, 0x00000000}, {0x848, 0x00000000}, + {0x84c, 0x00000000}, {0x850, 0x00000000}, + {0x854, 0x00000000}, {0x858, 0x569a569a}, + {0x85c, 0x001b25a4}, {0x860, 0x66e60230}, + {0x864, 0x061f0130}, {0x868, 0x00000000}, + {0x86c, 0x20202000}, {0x870, 0x03000300}, + {0x874, 0x22004000}, {0x878, 0x00000808}, + {0x87c, 0x00ffc3f1}, {0x880, 0xc0083070}, + {0x884, 0x000004d5}, {0x888, 0x00000000}, + {0x88c, 0xccc000c0}, {0x890, 0x00000800}, + {0x894, 0xfffffffe}, {0x898, 0x40302010}, + {0x89c, 0x00706050}, {0x900, 0x00000000}, + {0x904, 0x00000023}, {0x908, 0x00000000}, + {0x90c, 0x81121111}, {0xa00, 0x00d047c8}, + {0xa04, 0x80ff000c}, {0xa08, 0x8c838300}, + {0xa0c, 0x2e68120f}, {0xa10, 0x9500bb78}, + {0xa14, 0x11144028}, {0xa18, 0x00881117}, + {0xa1c, 0x89140f00}, {0xa20, 0x15160000}, + {0xa24, 0x070b0f12}, {0xa28, 0x00000104}, + {0xa2c, 0x00d30000}, {0xa70, 0x101fbf00}, + {0xa74, 0x00000007}, {0xc00, 0x48071d40}, + {0xc04, 0x03a05611}, {0xc08, 0x000000e4}, + {0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000}, + {0xc14, 0x40000100}, {0xc18, 0x08800000}, + {0xc1c, 0x40000100}, {0xc20, 0x00000000}, + {0xc24, 0x00000000}, {0xc28, 0x00000000}, + {0xc2c, 0x00000000}, {0xc30, 0x69e9ac44}, + {0xc34, 0x469652cf}, {0xc38, 0x49795994}, + {0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f}, + {0xc44, 0x000100b7}, {0xc48, 0xec020107}, + {0xc4c, 0x007f037f}, {0xc50, 0x6954342e}, + {0xc54, 0x43bc0094}, {0xc58, 0x6954342f}, + {0xc5c, 0x433c0094}, {0xc60, 0x00000000}, + {0xc64, 0x5116848b}, {0xc68, 0x47c00bff}, + {0xc6c, 0x00000036}, {0xc70, 0x2c46000d}, + {0xc74, 0x018610db}, {0xc78, 0x0000001f}, + {0xc7c, 0x00b91612}, {0xc80, 0x24000090}, + {0xc84, 0x20f60000}, {0xc88, 0x24000090}, + {0xc8c, 0x20200000}, {0xc90, 0x00121820}, + {0xc94, 0x00000000}, {0xc98, 0x00121820}, + {0xc9c, 0x00007f7f}, {0xca0, 0x00000000}, + {0xca4, 0x00000080}, {0xca8, 0x00000000}, + {0xcac, 0x00000000}, {0xcb0, 0x00000000}, + {0xcb4, 0x00000000}, {0xcb8, 0x00000000}, + {0xcbc, 0x28000000}, {0xcc0, 0x00000000}, + {0xcc4, 0x00000000}, {0xcc8, 0x00000000}, + {0xccc, 0x00000000}, {0xcd0, 0x00000000}, + {0xcd4, 0x00000000}, {0xcd8, 0x64b22427}, + {0xcdc, 0x00766932}, {0xce0, 0x00222222}, + {0xce4, 0x00000000}, {0xce8, 0x37644302}, + {0xcec, 0x2f97d40c}, {0xd00, 0x00080740}, + {0xd04, 0x00020401}, {0xd08, 0x0000907f}, + {0xd0c, 0x20010201}, {0xd10, 0xa0633333}, + {0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b}, + {0xd2c, 0xcc979975}, {0xd30, 0x00000000}, + {0xd34, 0x80608000}, {0xd38, 0x00000000}, + {0xd3c, 0x00027293}, {0xd40, 0x00000000}, + {0xd44, 0x00000000}, {0xd48, 0x00000000}, + {0xd4c, 0x00000000}, {0xd50, 0x6437140a}, + {0xd54, 0x00000000}, {0xd58, 0x00000000}, + {0xd5c, 0x30032064}, {0xd60, 0x4653de68}, + {0xd64, 0x04518a3c}, {0xd68, 0x00002101}, + {0xd6c, 0x2a201c16}, {0xd70, 0x1812362e}, + {0xd74, 0x322c2220}, {0xd78, 0x000e3c24}, + {0xe00, 0x24242424}, {0xe04, 0x24242424}, + {0xe08, 0x03902024}, {0xe10, 0x24242424}, + {0xe14, 0x24242424}, {0xe18, 0x24242424}, + {0xe1c, 0x24242424}, {0xe28, 0x00000000}, + {0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f}, + {0xe38, 0x02140102}, {0xe3c, 0x681604c2}, + {0xe40, 0x01007c00}, {0xe44, 0x01004800}, + {0xe48, 0xfb000000}, {0xe4c, 0x000028d1}, + {0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f}, + {0xe58, 0x02140102}, {0xe5c, 0x28160d05}, + {0xe60, 0x00000008}, {0xe68, 0x001b25a4}, + {0xe6c, 0x631b25a0}, {0xe70, 0x631b25a0}, + {0xe74, 0x081b25a0}, {0xe78, 0x081b25a0}, + {0xe7c, 0x081b25a0}, {0xe80, 0x081b25a0}, + {0xe84, 0x631b25a0}, {0xe88, 0x081b25a0}, + {0xe8c, 0x631b25a0}, {0xed0, 0x631b25a0}, + {0xed4, 0x631b25a0}, {0xed8, 0x631b25a0}, + {0xedc, 0x001b25a0}, {0xee0, 0x001b25a0}, + {0xeec, 0x6b1b25a0}, {0xee8, 0x31555448}, + {0xf14, 0x00000003}, {0xf4c, 0x00000000}, + {0xf00, 0x00000300}, + {0xffff, 0xffffffff}, +}; + +static struct rtl8xxxu_reg32val rtl8xxx_agc_standard_table[] = { + {0xc78, 0x7b000001}, {0xc78, 0x7b010001}, + {0xc78, 0x7b020001}, {0xc78, 0x7b030001}, + {0xc78, 0x7b040001}, {0xc78, 0x7b050001}, + {0xc78, 0x7a060001}, {0xc78, 0x79070001}, + {0xc78, 0x78080001}, {0xc78, 0x77090001}, + {0xc78, 0x760a0001}, {0xc78, 0x750b0001}, + {0xc78, 0x740c0001}, {0xc78, 0x730d0001}, + {0xc78, 0x720e0001}, {0xc78, 0x710f0001}, + {0xc78, 0x70100001}, {0xc78, 0x6f110001}, + {0xc78, 0x6e120001}, {0xc78, 0x6d130001}, + {0xc78, 0x6c140001}, {0xc78, 0x6b150001}, + {0xc78, 0x6a160001}, {0xc78, 0x69170001}, + {0xc78, 0x68180001}, {0xc78, 0x67190001}, + {0xc78, 0x661a0001}, {0xc78, 0x651b0001}, + {0xc78, 0x641c0001}, {0xc78, 0x631d0001}, + {0xc78, 0x621e0001}, {0xc78, 0x611f0001}, + {0xc78, 0x60200001}, {0xc78, 0x49210001}, + {0xc78, 0x48220001}, {0xc78, 0x47230001}, + {0xc78, 0x46240001}, {0xc78, 0x45250001}, + {0xc78, 0x44260001}, {0xc78, 0x43270001}, + {0xc78, 0x42280001}, {0xc78, 0x41290001}, + {0xc78, 0x402a0001}, {0xc78, 0x262b0001}, + {0xc78, 0x252c0001}, {0xc78, 0x242d0001}, + {0xc78, 0x232e0001}, {0xc78, 0x222f0001}, + {0xc78, 0x21300001}, {0xc78, 0x20310001}, + {0xc78, 0x06320001}, {0xc78, 0x05330001}, + {0xc78, 0x04340001}, {0xc78, 0x03350001}, + {0xc78, 0x02360001}, {0xc78, 0x01370001}, + {0xc78, 0x00380001}, {0xc78, 0x00390001}, + {0xc78, 0x003a0001}, {0xc78, 0x003b0001}, + {0xc78, 0x003c0001}, {0xc78, 0x003d0001}, + {0xc78, 0x003e0001}, {0xc78, 0x003f0001}, + {0xc78, 0x7b400001}, {0xc78, 0x7b410001}, + {0xc78, 0x7b420001}, {0xc78, 0x7b430001}, + {0xc78, 0x7b440001}, {0xc78, 0x7b450001}, + {0xc78, 0x7a460001}, {0xc78, 0x79470001}, + {0xc78, 0x78480001}, {0xc78, 0x77490001}, + {0xc78, 0x764a0001}, {0xc78, 0x754b0001}, + {0xc78, 0x744c0001}, {0xc78, 0x734d0001}, + {0xc78, 0x724e0001}, {0xc78, 0x714f0001}, + {0xc78, 0x70500001}, {0xc78, 0x6f510001}, + {0xc78, 0x6e520001}, {0xc78, 0x6d530001}, + {0xc78, 0x6c540001}, {0xc78, 0x6b550001}, + {0xc78, 0x6a560001}, {0xc78, 0x69570001}, + {0xc78, 0x68580001}, {0xc78, 0x67590001}, + {0xc78, 0x665a0001}, {0xc78, 0x655b0001}, + {0xc78, 0x645c0001}, {0xc78, 0x635d0001}, + {0xc78, 0x625e0001}, {0xc78, 0x615f0001}, + {0xc78, 0x60600001}, {0xc78, 0x49610001}, + {0xc78, 0x48620001}, {0xc78, 0x47630001}, + {0xc78, 0x46640001}, {0xc78, 0x45650001}, + {0xc78, 0x44660001}, {0xc78, 0x43670001}, + {0xc78, 0x42680001}, {0xc78, 0x41690001}, + {0xc78, 0x406a0001}, {0xc78, 0x266b0001}, + {0xc78, 0x256c0001}, {0xc78, 0x246d0001}, + {0xc78, 0x236e0001}, {0xc78, 0x226f0001}, + {0xc78, 0x21700001}, {0xc78, 0x20710001}, + {0xc78, 0x06720001}, {0xc78, 0x05730001}, + {0xc78, 0x04740001}, {0xc78, 0x03750001}, + {0xc78, 0x02760001}, {0xc78, 0x01770001}, + {0xc78, 0x00780001}, {0xc78, 0x00790001}, + {0xc78, 0x007a0001}, {0xc78, 0x007b0001}, + {0xc78, 0x007c0001}, {0xc78, 0x007d0001}, + {0xc78, 0x007e0001}, {0xc78, 0x007f0001}, + {0xc78, 0x3800001e}, {0xc78, 0x3801001e}, + {0xc78, 0x3802001e}, {0xc78, 0x3803001e}, + {0xc78, 0x3804001e}, {0xc78, 0x3805001e}, + {0xc78, 0x3806001e}, {0xc78, 0x3807001e}, + {0xc78, 0x3808001e}, {0xc78, 0x3c09001e}, + {0xc78, 0x3e0a001e}, {0xc78, 0x400b001e}, + {0xc78, 0x440c001e}, {0xc78, 0x480d001e}, + {0xc78, 0x4c0e001e}, {0xc78, 0x500f001e}, + {0xc78, 0x5210001e}, {0xc78, 0x5611001e}, + {0xc78, 0x5a12001e}, {0xc78, 0x5e13001e}, + {0xc78, 0x6014001e}, {0xc78, 0x6015001e}, + {0xc78, 0x6016001e}, {0xc78, 0x6217001e}, + {0xc78, 0x6218001e}, {0xc78, 0x6219001e}, + {0xc78, 0x621a001e}, {0xc78, 0x621b001e}, + {0xc78, 0x621c001e}, {0xc78, 0x621d001e}, + {0xc78, 0x621e001e}, {0xc78, 0x621f001e}, + {0xffff, 0xffffffff} +}; + +static struct rtl8xxxu_reg32val rtl8xxx_agc_highpa_table[] = { + {0xc78, 0x7b000001}, {0xc78, 0x7b010001}, + {0xc78, 0x7b020001}, {0xc78, 0x7b030001}, + {0xc78, 0x7b040001}, {0xc78, 0x7b050001}, + {0xc78, 0x7b060001}, {0xc78, 0x7b070001}, + {0xc78, 0x7b080001}, {0xc78, 0x7a090001}, + {0xc78, 0x790a0001}, {0xc78, 0x780b0001}, + {0xc78, 0x770c0001}, {0xc78, 0x760d0001}, + {0xc78, 0x750e0001}, {0xc78, 0x740f0001}, + {0xc78, 0x73100001}, {0xc78, 0x72110001}, + {0xc78, 0x71120001}, {0xc78, 0x70130001}, + {0xc78, 0x6f140001}, {0xc78, 0x6e150001}, + {0xc78, 0x6d160001}, {0xc78, 0x6c170001}, + {0xc78, 0x6b180001}, {0xc78, 0x6a190001}, + {0xc78, 0x691a0001}, {0xc78, 0x681b0001}, + {0xc78, 0x671c0001}, {0xc78, 0x661d0001}, + {0xc78, 0x651e0001}, {0xc78, 0x641f0001}, + {0xc78, 0x63200001}, {0xc78, 0x62210001}, + {0xc78, 0x61220001}, {0xc78, 0x60230001}, + {0xc78, 0x46240001}, {0xc78, 0x45250001}, + {0xc78, 0x44260001}, {0xc78, 0x43270001}, + {0xc78, 0x42280001}, {0xc78, 0x41290001}, + {0xc78, 0x402a0001}, {0xc78, 0x262b0001}, + {0xc78, 0x252c0001}, {0xc78, 0x242d0001}, + {0xc78, 0x232e0001}, {0xc78, 0x222f0001}, + {0xc78, 0x21300001}, {0xc78, 0x20310001}, + {0xc78, 0x06320001}, {0xc78, 0x05330001}, + {0xc78, 0x04340001}, {0xc78, 0x03350001}, + {0xc78, 0x02360001}, {0xc78, 0x01370001}, + {0xc78, 0x00380001}, {0xc78, 0x00390001}, + {0xc78, 0x003a0001}, {0xc78, 0x003b0001}, + {0xc78, 0x003c0001}, {0xc78, 0x003d0001}, + {0xc78, 0x003e0001}, {0xc78, 0x003f0001}, + {0xc78, 0x7b400001}, {0xc78, 0x7b410001}, + {0xc78, 0x7b420001}, {0xc78, 0x7b430001}, + {0xc78, 0x7b440001}, {0xc78, 0x7b450001}, + {0xc78, 0x7b460001}, {0xc78, 0x7b470001}, + {0xc78, 0x7b480001}, {0xc78, 0x7a490001}, + {0xc78, 0x794a0001}, {0xc78, 0x784b0001}, + {0xc78, 0x774c0001}, {0xc78, 0x764d0001}, + {0xc78, 0x754e0001}, {0xc78, 0x744f0001}, + {0xc78, 0x73500001}, {0xc78, 0x72510001}, + {0xc78, 0x71520001}, {0xc78, 0x70530001}, + {0xc78, 0x6f540001}, {0xc78, 0x6e550001}, + {0xc78, 0x6d560001}, {0xc78, 0x6c570001}, + {0xc78, 0x6b580001}, {0xc78, 0x6a590001}, + {0xc78, 0x695a0001}, {0xc78, 0x685b0001}, + {0xc78, 0x675c0001}, {0xc78, 0x665d0001}, + {0xc78, 0x655e0001}, {0xc78, 0x645f0001}, + {0xc78, 0x63600001}, {0xc78, 0x62610001}, + {0xc78, 0x61620001}, {0xc78, 0x60630001}, + {0xc78, 0x46640001}, {0xc78, 0x45650001}, + {0xc78, 0x44660001}, {0xc78, 0x43670001}, + {0xc78, 0x42680001}, {0xc78, 0x41690001}, + {0xc78, 0x406a0001}, {0xc78, 0x266b0001}, + {0xc78, 0x256c0001}, {0xc78, 0x246d0001}, + {0xc78, 0x236e0001}, {0xc78, 0x226f0001}, + {0xc78, 0x21700001}, {0xc78, 0x20710001}, + {0xc78, 0x06720001}, {0xc78, 0x05730001}, + {0xc78, 0x04740001}, {0xc78, 0x03750001}, + {0xc78, 0x02760001}, {0xc78, 0x01770001}, + {0xc78, 0x00780001}, {0xc78, 0x00790001}, + {0xc78, 0x007a0001}, {0xc78, 0x007b0001}, + {0xc78, 0x007c0001}, {0xc78, 0x007d0001}, + {0xc78, 0x007e0001}, {0xc78, 0x007f0001}, + {0xc78, 0x3800001e}, {0xc78, 0x3801001e}, + {0xc78, 0x3802001e}, {0xc78, 0x3803001e}, + {0xc78, 0x3804001e}, {0xc78, 0x3805001e}, + {0xc78, 0x3806001e}, {0xc78, 0x3807001e}, + {0xc78, 0x3808001e}, {0xc78, 0x3c09001e}, + {0xc78, 0x3e0a001e}, {0xc78, 0x400b001e}, + {0xc78, 0x440c001e}, {0xc78, 0x480d001e}, + {0xc78, 0x4c0e001e}, {0xc78, 0x500f001e}, + {0xc78, 0x5210001e}, {0xc78, 0x5611001e}, + {0xc78, 0x5a12001e}, {0xc78, 0x5e13001e}, + {0xc78, 0x6014001e}, {0xc78, 0x6015001e}, + {0xc78, 0x6016001e}, {0xc78, 0x6217001e}, + {0xc78, 0x6218001e}, {0xc78, 0x6219001e}, + {0xc78, 0x621a001e}, {0xc78, 0x621b001e}, + {0xc78, 0x621c001e}, {0xc78, 0x621d001e}, + {0xc78, 0x621e001e}, {0xc78, 0x621f001e}, + {0xffff, 0xffffffff} +}; + +static struct rtl8xxxu_rfregs rtl8xxxu_rfregs[] = { + { /* RF_A */ + .hssiparm1 = REG_FPGA0_XA_HSSI_PARM1, + .hssiparm2 = REG_FPGA0_XA_HSSI_PARM2, + .lssiparm = REG_FPGA0_XA_LSSI_PARM, + .hspiread = REG_HSPI_XA_READBACK, + .lssiread = REG_FPGA0_XA_LSSI_READBACK, + .rf_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL, + }, + { /* RF_B */ + .hssiparm1 = REG_FPGA0_XB_HSSI_PARM1, + .hssiparm2 = REG_FPGA0_XB_HSSI_PARM2, + .lssiparm = REG_FPGA0_XB_LSSI_PARM, + .hspiread = REG_HSPI_XB_READBACK, + .lssiread = REG_FPGA0_XB_LSSI_READBACK, + .rf_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL, + }, +}; + +const u32 rtl8xxxu_iqk_phy_iq_bb_reg[RTL8XXXU_BB_REGS] = { + REG_OFDM0_XA_RX_IQ_IMBALANCE, + REG_OFDM0_XB_RX_IQ_IMBALANCE, + REG_OFDM0_ENERGY_CCA_THRES, + REG_OFDM0_AGCR_SSI_TABLE, + REG_OFDM0_XA_TX_IQ_IMBALANCE, + REG_OFDM0_XB_TX_IQ_IMBALANCE, + REG_OFDM0_XC_TX_AFE, + REG_OFDM0_XD_TX_AFE, + REG_OFDM0_RX_IQ_EXT_ANTA +}; + +u8 rtl8xxxu_read8(struct rtl8xxxu_priv *priv, u16 addr) +{ + struct usb_device *udev = priv->udev; + int len; + u8 data; + + mutex_lock(&priv->usb_buf_mutex); + len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_READ, + addr, 0, &priv->usb_buf.val8, sizeof(u8), + RTW_USB_CONTROL_MSG_TIMEOUT); + data = priv->usb_buf.val8; + mutex_unlock(&priv->usb_buf_mutex); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ) + dev_info(&udev->dev, "%s(%04x) = 0x%02x, len %i\n", + __func__, addr, data, len); + return data; +} + +u16 rtl8xxxu_read16(struct rtl8xxxu_priv *priv, u16 addr) +{ + struct usb_device *udev = priv->udev; + int len; + u16 data; + + mutex_lock(&priv->usb_buf_mutex); + len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_READ, + addr, 0, &priv->usb_buf.val16, sizeof(u16), + RTW_USB_CONTROL_MSG_TIMEOUT); + data = le16_to_cpu(priv->usb_buf.val16); + mutex_unlock(&priv->usb_buf_mutex); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ) + dev_info(&udev->dev, "%s(%04x) = 0x%04x, len %i\n", + __func__, addr, data, len); + return data; +} + +u32 rtl8xxxu_read32(struct rtl8xxxu_priv *priv, u16 addr) +{ + struct usb_device *udev = priv->udev; + int len; + u32 data; + + mutex_lock(&priv->usb_buf_mutex); + len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_READ, + addr, 0, &priv->usb_buf.val32, sizeof(u32), + RTW_USB_CONTROL_MSG_TIMEOUT); + data = le32_to_cpu(priv->usb_buf.val32); + mutex_unlock(&priv->usb_buf_mutex); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ) + dev_info(&udev->dev, "%s(%04x) = 0x%08x, len %i\n", + __func__, addr, data, len); + return data; +} + +int rtl8xxxu_write8(struct rtl8xxxu_priv *priv, u16 addr, u8 val) +{ + struct usb_device *udev = priv->udev; + int ret; + + mutex_lock(&priv->usb_buf_mutex); + priv->usb_buf.val8 = val; + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, + addr, 0, &priv->usb_buf.val8, sizeof(u8), + RTW_USB_CONTROL_MSG_TIMEOUT); + + mutex_unlock(&priv->usb_buf_mutex); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) + dev_info(&udev->dev, "%s(%04x) = 0x%02x\n", + __func__, addr, val); + return ret; +} + +int rtl8xxxu_write16(struct rtl8xxxu_priv *priv, u16 addr, u16 val) +{ + struct usb_device *udev = priv->udev; + int ret; + + mutex_lock(&priv->usb_buf_mutex); + priv->usb_buf.val16 = cpu_to_le16(val); + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, + addr, 0, &priv->usb_buf.val16, sizeof(u16), + RTW_USB_CONTROL_MSG_TIMEOUT); + mutex_unlock(&priv->usb_buf_mutex); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) + dev_info(&udev->dev, "%s(%04x) = 0x%04x\n", + __func__, addr, val); + return ret; +} + +int rtl8xxxu_write32(struct rtl8xxxu_priv *priv, u16 addr, u32 val) +{ + struct usb_device *udev = priv->udev; + int ret; + + mutex_lock(&priv->usb_buf_mutex); + priv->usb_buf.val32 = cpu_to_le32(val); + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, + addr, 0, &priv->usb_buf.val32, sizeof(u32), + RTW_USB_CONTROL_MSG_TIMEOUT); + mutex_unlock(&priv->usb_buf_mutex); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) + dev_info(&udev->dev, "%s(%04x) = 0x%08x\n", + __func__, addr, val); + return ret; +} + +static int +rtl8xxxu_writeN(struct rtl8xxxu_priv *priv, u16 addr, u8 *buf, u16 len) +{ + struct usb_device *udev = priv->udev; + int blocksize = priv->fops->writeN_block_size; + int ret, i, count, remainder; + + count = len / blocksize; + remainder = len % blocksize; + + for (i = 0; i < count; i++) { + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, + addr, 0, buf, blocksize, + RTW_USB_CONTROL_MSG_TIMEOUT); + if (ret != blocksize) + goto write_error; + + addr += blocksize; + buf += blocksize; + } + + if (remainder) { + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, + addr, 0, buf, remainder, + RTW_USB_CONTROL_MSG_TIMEOUT); + if (ret != remainder) + goto write_error; + } + + return len; + +write_error: + dev_info(&udev->dev, + "%s: Failed to write block at addr: %04x size: %04x\n", + __func__, addr, blocksize); + return -EAGAIN; +} + +u32 rtl8xxxu_read_rfreg(struct rtl8xxxu_priv *priv, + enum rtl8xxxu_rfpath path, u8 reg) +{ + u32 hssia, val32, retval; + + hssia = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2); + if (path != RF_A) + val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm2); + else + val32 = hssia; + + val32 &= ~FPGA0_HSSI_PARM2_ADDR_MASK; + val32 |= (reg << FPGA0_HSSI_PARM2_ADDR_SHIFT); + val32 |= FPGA0_HSSI_PARM2_EDGE_READ; + hssia &= ~FPGA0_HSSI_PARM2_EDGE_READ; + rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia); + + udelay(10); + + rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].hssiparm2, val32); + udelay(100); + + hssia |= FPGA0_HSSI_PARM2_EDGE_READ; + rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia); + udelay(10); + + val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm1); + if (val32 & FPGA0_HSSI_PARM1_PI) + retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hspiread); + else + retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].lssiread); + + retval &= 0xfffff; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_READ) + dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n", + __func__, reg, retval); + return retval; +} + +/* + * The RTL8723BU driver indicates that registers 0xb2 and 0xb6 can + * have write issues in high temperature conditions. We may have to + * retry writing them. + */ +int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv, + enum rtl8xxxu_rfpath path, u8 reg, u32 data) +{ + int ret, retval; + u32 dataaddr, val32; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_WRITE) + dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n", + __func__, reg, data); + + data &= FPGA0_LSSI_PARM_DATA_MASK; + dataaddr = (reg << FPGA0_LSSI_PARM_ADDR_SHIFT) | data; + + if (priv->rtl_chip == RTL8192E) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); + val32 &= ~0x20000; + rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); + } + + /* Use XB for path B */ + ret = rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].lssiparm, dataaddr); + if (ret != sizeof(dataaddr)) + retval = -EIO; + else + retval = 0; + + udelay(1); + + if (priv->rtl_chip == RTL8192E) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); + val32 |= 0x20000; + rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); + } + + return retval; +} + +static int +rtl8xxxu_gen1_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len) +{ + struct device *dev = &priv->udev->dev; + int mbox_nr, retry, retval = 0; + int mbox_reg, mbox_ext_reg; + u8 val8; + + mutex_lock(&priv->h2c_mutex); + + mbox_nr = priv->next_mbox; + mbox_reg = REG_HMBOX_0 + (mbox_nr * 4); + mbox_ext_reg = REG_HMBOX_EXT_0 + (mbox_nr * 2); + + /* + * MBOX ready? + */ + retry = 100; + do { + val8 = rtl8xxxu_read8(priv, REG_HMTFR); + if (!(val8 & BIT(mbox_nr))) + break; + } while (retry--); + + if (!retry) { + dev_info(dev, "%s: Mailbox busy\n", __func__); + retval = -EBUSY; + goto error; + } + + /* + * Need to swap as it's being swapped again by rtl8xxxu_write16/32() + */ + if (len > sizeof(u32)) { + rtl8xxxu_write16(priv, mbox_ext_reg, le16_to_cpu(h2c->raw.ext)); + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) + dev_info(dev, "H2C_EXT %04x\n", + le16_to_cpu(h2c->raw.ext)); + } + rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data)); + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) + dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data)); + + priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX; + +error: + mutex_unlock(&priv->h2c_mutex); + return retval; +} + +int +rtl8xxxu_gen2_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len) +{ + struct device *dev = &priv->udev->dev; + int mbox_nr, retry, retval = 0; + int mbox_reg, mbox_ext_reg; + u8 val8; + + mutex_lock(&priv->h2c_mutex); + + mbox_nr = priv->next_mbox; + mbox_reg = REG_HMBOX_0 + (mbox_nr * 4); + mbox_ext_reg = REG_HMBOX_EXT0_8723B + (mbox_nr * 4); + + /* + * MBOX ready? + */ + retry = 100; + do { + val8 = rtl8xxxu_read8(priv, REG_HMTFR); + if (!(val8 & BIT(mbox_nr))) + break; + } while (retry--); + + if (!retry) { + dev_info(dev, "%s: Mailbox busy\n", __func__); + retval = -EBUSY; + goto error; + } + + /* + * Need to swap as it's being swapped again by rtl8xxxu_write16/32() + */ + if (len > sizeof(u32)) { + rtl8xxxu_write32(priv, mbox_ext_reg, + le32_to_cpu(h2c->raw_wide.ext)); + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) + dev_info(dev, "H2C_EXT %08x\n", + le32_to_cpu(h2c->raw_wide.ext)); + } + rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data)); + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) + dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data)); + + priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX; + +error: + mutex_unlock(&priv->h2c_mutex); + return retval; +} + +void rtl8xxxu_gen1_enable_rf(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u32 val32; + + val8 = rtl8xxxu_read8(priv, REG_SPS0_CTRL); + val8 |= BIT(0) | BIT(3); + rtl8xxxu_write8(priv, REG_SPS0_CTRL, val8); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM); + val32 &= ~(BIT(4) | BIT(5)); + val32 |= BIT(3); + if (priv->rf_paths == 2) { + val32 &= ~(BIT(20) | BIT(21)); + val32 |= BIT(19); + } + rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); + val32 &= ~OFDM_RF_PATH_TX_MASK; + if (priv->tx_paths == 2) + val32 |= OFDM_RF_PATH_TX_A | OFDM_RF_PATH_TX_B; + else if (priv->rtl_chip == RTL8192C || priv->rtl_chip == RTL8191C) + val32 |= OFDM_RF_PATH_TX_B; + else + val32 |= OFDM_RF_PATH_TX_A; + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 &= ~FPGA_RF_MODE_JAPAN; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + if (priv->rf_paths == 2) + rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x63db25a0); + else + rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x631b25a0); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x32d95); + if (priv->rf_paths == 2) + rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0x32d95); + + rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); +} + +void rtl8xxxu_gen1_disable_rf(struct rtl8xxxu_priv *priv) +{ + u8 sps0; + u32 val32; + + sps0 = rtl8xxxu_read8(priv, REG_SPS0_CTRL); + + /* RF RX code for preamble power saving */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM); + val32 &= ~(BIT(3) | BIT(4) | BIT(5)); + if (priv->rf_paths == 2) + val32 &= ~(BIT(19) | BIT(20) | BIT(21)); + rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32); + + /* Disable TX for four paths */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); + val32 &= ~OFDM_RF_PATH_TX_MASK; + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); + + /* Enable power saving */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= FPGA_RF_MODE_JAPAN; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + /* AFE control register to power down bits [30:22] */ + if (priv->rf_paths == 2) + rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x00db25a0); + else + rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x001b25a0); + + /* Power down RF module */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0); + if (priv->rf_paths == 2) + rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0); + + sps0 &= ~(BIT(0) | BIT(3)); + rtl8xxxu_write8(priv, REG_SPS0_CTRL, sps0); +} + +static void rtl8xxxu_stop_tx_beacon(struct rtl8xxxu_priv *priv) +{ + u8 val8; + + val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2); + val8 &= ~BIT(6); + rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8); + + rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x64); + val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2); + val8 &= ~BIT(0); + rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8); +} + + +/* + * The rtl8723a has 3 channel groups for it's efuse settings. It only + * supports the 2.4GHz band, so channels 1 - 14: + * group 0: channels 1 - 3 + * group 1: channels 4 - 9 + * group 2: channels 10 - 14 + * + * Note: We index from 0 in the code + */ +static int rtl8xxxu_gen1_channel_to_group(int channel) +{ + int group; + + if (channel < 4) + group = 0; + else if (channel < 10) + group = 1; + else + group = 2; + + return group; +} + +/* + * Valid for rtl8723bu and rtl8192eu + */ +int rtl8xxxu_gen2_channel_to_group(int channel) +{ + int group; + + if (channel < 3) + group = 0; + else if (channel < 6) + group = 1; + else if (channel < 9) + group = 2; + else if (channel < 12) + group = 3; + else + group = 4; + + return group; +} + +void rtl8xxxu_gen1_config_channel(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + u32 val32, rsr; + u8 val8, opmode; + bool ht = true; + int sec_ch_above, channel; + int i; + + opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE); + rsr = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); + channel = hw->conf.chandef.chan->hw_value; + + switch (hw->conf.chandef.width) { + case NL80211_CHAN_WIDTH_20_NOHT: + ht = false; + case NL80211_CHAN_WIDTH_20: + opmode |= BW_OPMODE_20MHZ; + rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 &= ~FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); + val32 &= ~FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2); + val32 |= FPGA0_ANALOG2_20MHZ; + rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32); + break; + case NL80211_CHAN_WIDTH_40: + if (hw->conf.chandef.center_freq1 > + hw->conf.chandef.chan->center_freq) { + sec_ch_above = 1; + channel += 2; + } else { + sec_ch_above = 0; + channel -= 2; + } + + opmode &= ~BW_OPMODE_20MHZ; + rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode); + rsr &= ~RSR_RSC_BANDWIDTH_40M; + if (sec_ch_above) + rsr |= RSR_RSC_UPPER_SUB_CHANNEL; + else + rsr |= RSR_RSC_LOWER_SUB_CHANNEL; + rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, rsr); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); + val32 |= FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); + + /* + * Set Control channel to upper or lower. These settings + * are required only for 40MHz + */ + val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); + val32 &= ~CCK0_SIDEBAND; + if (!sec_ch_above) + val32 |= CCK0_SIDEBAND; + rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); + val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */ + if (sec_ch_above) + val32 |= OFDM_LSTF_PRIME_CH_LOW; + else + val32 |= OFDM_LSTF_PRIME_CH_HIGH; + rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2); + val32 &= ~FPGA0_ANALOG2_20MHZ; + rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); + val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL); + if (sec_ch_above) + val32 |= FPGA0_PS_UPPER_CHANNEL; + else + val32 |= FPGA0_PS_LOWER_CHANNEL; + rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); + break; + + default: + break; + } + + for (i = RF_A; i < priv->rf_paths; i++) { + val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); + val32 &= ~MODE_AG_CHANNEL_MASK; + val32 |= channel; + rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); + } + + if (ht) + val8 = 0x0e; + else + val8 = 0x0a; + + rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8); + rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8); + + rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808); + rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a); + + for (i = RF_A; i < priv->rf_paths; i++) { + val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); + if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) + val32 &= ~MODE_AG_CHANNEL_20MHZ; + else + val32 |= MODE_AG_CHANNEL_20MHZ; + rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); + } +} + +void rtl8xxxu_gen2_config_channel(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + u32 val32, rsr; + u8 val8, subchannel; + u16 rf_mode_bw; + bool ht = true; + int sec_ch_above, channel; + int i; + + rf_mode_bw = rtl8xxxu_read16(priv, REG_WMAC_TRXPTCL_CTL); + rf_mode_bw &= ~WMAC_TRXPTCL_CTL_BW_MASK; + rsr = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); + channel = hw->conf.chandef.chan->hw_value; + +/* Hack */ + subchannel = 0; + + switch (hw->conf.chandef.width) { + case NL80211_CHAN_WIDTH_20_NOHT: + ht = false; + case NL80211_CHAN_WIDTH_20: + rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_20; + subchannel = 0; + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 &= ~FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); + val32 &= ~FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT); + val32 &= ~(BIT(30) | BIT(31)); + rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32); + + break; + case NL80211_CHAN_WIDTH_40: + rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_40; + + if (hw->conf.chandef.center_freq1 > + hw->conf.chandef.chan->center_freq) { + sec_ch_above = 1; + channel += 2; + } else { + sec_ch_above = 0; + channel -= 2; + } + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); + val32 |= FPGA_RF_MODE; + rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); + + /* + * Set Control channel to upper or lower. These settings + * are required only for 40MHz + */ + val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); + val32 &= ~CCK0_SIDEBAND; + if (!sec_ch_above) + val32 |= CCK0_SIDEBAND; + rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); + val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */ + if (sec_ch_above) + val32 |= OFDM_LSTF_PRIME_CH_LOW; + else + val32 |= OFDM_LSTF_PRIME_CH_HIGH; + rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); + val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL); + if (sec_ch_above) + val32 |= FPGA0_PS_UPPER_CHANNEL; + else + val32 |= FPGA0_PS_LOWER_CHANNEL; + rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); + break; + case NL80211_CHAN_WIDTH_80: + rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_80; + break; + default: + break; + } + + for (i = RF_A; i < priv->rf_paths; i++) { + val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); + val32 &= ~MODE_AG_CHANNEL_MASK; + val32 |= channel; + rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); + } + + rtl8xxxu_write16(priv, REG_WMAC_TRXPTCL_CTL, rf_mode_bw); + rtl8xxxu_write8(priv, REG_DATA_SUBCHANNEL, subchannel); + + if (ht) + val8 = 0x0e; + else + val8 = 0x0a; + + rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8); + rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8); + + rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808); + rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a); + + for (i = RF_A; i < priv->rf_paths; i++) { + val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); + val32 &= ~MODE_AG_BW_MASK; + switch(hw->conf.chandef.width) { + case NL80211_CHAN_WIDTH_80: + val32 |= MODE_AG_BW_80MHZ_8723B; + break; + case NL80211_CHAN_WIDTH_40: + val32 |= MODE_AG_BW_40MHZ_8723B; + break; + default: + val32 |= MODE_AG_BW_20MHZ_8723B; + break; + } + rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); + } +} + +void +rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) +{ + struct rtl8xxxu_power_base *power_base = priv->power_base; + u8 cck[RTL8723A_MAX_RF_PATHS], ofdm[RTL8723A_MAX_RF_PATHS]; + u8 ofdmbase[RTL8723A_MAX_RF_PATHS], mcsbase[RTL8723A_MAX_RF_PATHS]; + u32 val32, ofdm_a, ofdm_b, mcs_a, mcs_b; + u8 val8; + int group, i; + + group = rtl8xxxu_gen1_channel_to_group(channel); + + cck[0] = priv->cck_tx_power_index_A[group] - 1; + cck[1] = priv->cck_tx_power_index_B[group] - 1; + + if (priv->hi_pa) { + if (cck[0] > 0x20) + cck[0] = 0x20; + if (cck[1] > 0x20) + cck[1] = 0x20; + } + + ofdm[0] = priv->ht40_1s_tx_power_index_A[group]; + ofdm[1] = priv->ht40_1s_tx_power_index_B[group]; + if (ofdm[0]) + ofdm[0] -= 1; + if (ofdm[1]) + ofdm[1] -= 1; + + ofdmbase[0] = ofdm[0] + priv->ofdm_tx_power_index_diff[group].a; + ofdmbase[1] = ofdm[1] + priv->ofdm_tx_power_index_diff[group].b; + + mcsbase[0] = ofdm[0]; + mcsbase[1] = ofdm[1]; + if (!ht40) { + mcsbase[0] += priv->ht20_tx_power_index_diff[group].a; + mcsbase[1] += priv->ht20_tx_power_index_diff[group].b; + } + + if (priv->tx_paths > 1) { + if (ofdm[0] > priv->ht40_2s_tx_power_index_diff[group].a) + ofdm[0] -= priv->ht40_2s_tx_power_index_diff[group].a; + if (ofdm[1] > priv->ht40_2s_tx_power_index_diff[group].b) + ofdm[1] -= priv->ht40_2s_tx_power_index_diff[group].b; + } + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL) + dev_info(&priv->udev->dev, + "%s: Setting TX power CCK A: %02x, " + "CCK B: %02x, OFDM A: %02x, OFDM B: %02x\n", + __func__, cck[0], cck[1], ofdm[0], ofdm[1]); + + for (i = 0; i < RTL8723A_MAX_RF_PATHS; i++) { + if (cck[i] > RF6052_MAX_TX_PWR) + cck[i] = RF6052_MAX_TX_PWR; + if (ofdm[i] > RF6052_MAX_TX_PWR) + ofdm[i] = RF6052_MAX_TX_PWR; + } + + val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); + val32 &= 0xffff00ff; + val32 |= (cck[0] << 8); + rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); + val32 &= 0xff; + val32 |= ((cck[0] << 8) | (cck[0] << 16) | (cck[0] << 24)); + rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); + val32 &= 0xffffff00; + val32 |= cck[1]; + rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32); + val32 &= 0xff; + val32 |= ((cck[1] << 8) | (cck[1] << 16) | (cck[1] << 24)); + rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32); + + ofdm_a = ofdmbase[0] | ofdmbase[0] << 8 | + ofdmbase[0] << 16 | ofdmbase[0] << 24; + ofdm_b = ofdmbase[1] | ofdmbase[1] << 8 | + ofdmbase[1] << 16 | ofdmbase[1] << 24; + + rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, + ofdm_a + power_base->reg_0e00); + rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, + ofdm_b + power_base->reg_0830); + + rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, + ofdm_a + power_base->reg_0e04); + rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, + ofdm_b + power_base->reg_0834); + + mcs_a = mcsbase[0] | mcsbase[0] << 8 | + mcsbase[0] << 16 | mcsbase[0] << 24; + mcs_b = mcsbase[1] | mcsbase[1] << 8 | + mcsbase[1] << 16 | mcsbase[1] << 24; + + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, + mcs_a + power_base->reg_0e10); + rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, + mcs_b + power_base->reg_083c); + + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, + mcs_a + power_base->reg_0e14); + rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, + mcs_b + power_base->reg_0848); + + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, + mcs_a + power_base->reg_0e18); + rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, + mcs_b + power_base->reg_084c); + + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, + mcs_a + power_base->reg_0e1c); + for (i = 0; i < 3; i++) { + if (i != 2) + val8 = (mcsbase[0] > 8) ? (mcsbase[0] - 8) : 0; + else + val8 = (mcsbase[0] > 6) ? (mcsbase[0] - 6) : 0; + rtl8xxxu_write8(priv, REG_OFDM0_XC_TX_IQ_IMBALANCE + i, val8); + } + rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, + mcs_b + power_base->reg_0868); + for (i = 0; i < 3; i++) { + if (i != 2) + val8 = (mcsbase[1] > 8) ? (mcsbase[1] - 8) : 0; + else + val8 = (mcsbase[1] > 6) ? (mcsbase[1] - 6) : 0; + rtl8xxxu_write8(priv, REG_OFDM0_XD_TX_IQ_IMBALANCE + i, val8); + } +} + +static void rtl8xxxu_set_linktype(struct rtl8xxxu_priv *priv, + enum nl80211_iftype linktype) +{ + u8 val8; + + val8 = rtl8xxxu_read8(priv, REG_MSR); + val8 &= ~MSR_LINKTYPE_MASK; + + switch (linktype) { + case NL80211_IFTYPE_UNSPECIFIED: + val8 |= MSR_LINKTYPE_NONE; + break; + case NL80211_IFTYPE_ADHOC: + val8 |= MSR_LINKTYPE_ADHOC; + break; + case NL80211_IFTYPE_STATION: + val8 |= MSR_LINKTYPE_STATION; + break; + case NL80211_IFTYPE_AP: + val8 |= MSR_LINKTYPE_AP; + break; + default: + goto out; + } + + rtl8xxxu_write8(priv, REG_MSR, val8); +out: + return; +} + +static void +rtl8xxxu_set_retry(struct rtl8xxxu_priv *priv, u16 short_retry, u16 long_retry) +{ + u16 val16; + + val16 = ((short_retry << RETRY_LIMIT_SHORT_SHIFT) & + RETRY_LIMIT_SHORT_MASK) | + ((long_retry << RETRY_LIMIT_LONG_SHIFT) & + RETRY_LIMIT_LONG_MASK); + + rtl8xxxu_write16(priv, REG_RETRY_LIMIT, val16); +} + +static void +rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm) +{ + u16 val16; + + val16 = ((cck << SPEC_SIFS_CCK_SHIFT) & SPEC_SIFS_CCK_MASK) | + ((ofdm << SPEC_SIFS_OFDM_SHIFT) & SPEC_SIFS_OFDM_MASK); + + rtl8xxxu_write16(priv, REG_SPEC_SIFS, val16); +} + +static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + char *cut; + + switch (priv->chip_cut) { + case 0: + cut = "A"; + break; + case 1: + cut = "B"; + break; + case 2: + cut = "C"; + break; + case 3: + cut = "D"; + break; + case 4: + cut = "E"; + break; + default: + cut = "unknown"; + } + + dev_info(dev, + "RTL%s rev %s (%s) %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", + priv->chip_name, cut, priv->chip_vendor, priv->tx_paths, + priv->rx_paths, priv->ep_tx_count, priv->has_wifi, + priv->has_bluetooth, priv->has_gps, priv->hi_pa); + + dev_info(dev, "RTL%s MAC: %pM\n", priv->chip_name, priv->mac_addr); +} + +static int rtl8xxxu_identify_chip(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + u32 val32, bonding; + u16 val16; + + val32 = rtl8xxxu_read32(priv, REG_SYS_CFG); + priv->chip_cut = (val32 & SYS_CFG_CHIP_VERSION_MASK) >> + SYS_CFG_CHIP_VERSION_SHIFT; + if (val32 & SYS_CFG_TRP_VAUX_EN) { + dev_info(dev, "Unsupported test chip\n"); + return -ENOTSUPP; + } + + if (val32 & SYS_CFG_BT_FUNC) { + if (priv->chip_cut >= 3) { + sprintf(priv->chip_name, "8723BU"); + priv->rtl_chip = RTL8723B; + } else { + sprintf(priv->chip_name, "8723AU"); + priv->usb_interrupts = 1; + priv->rtl_chip = RTL8723A; + } + + priv->rf_paths = 1; + priv->rx_paths = 1; + priv->tx_paths = 1; + + val32 = rtl8xxxu_read32(priv, REG_MULTI_FUNC_CTRL); + if (val32 & MULTI_WIFI_FUNC_EN) + priv->has_wifi = 1; + if (val32 & MULTI_BT_FUNC_EN) + priv->has_bluetooth = 1; + if (val32 & MULTI_GPS_FUNC_EN) + priv->has_gps = 1; + priv->is_multi_func = 1; + } else if (val32 & SYS_CFG_TYPE_ID) { + bonding = rtl8xxxu_read32(priv, REG_HPON_FSM); + bonding &= HPON_FSM_BONDING_MASK; + if (priv->fops->tx_desc_size == + sizeof(struct rtl8xxxu_txdesc40)) { + if (bonding == HPON_FSM_BONDING_1T2R) { + sprintf(priv->chip_name, "8191EU"); + priv->rf_paths = 2; + priv->rx_paths = 2; + priv->tx_paths = 1; + priv->rtl_chip = RTL8191E; + } else { + sprintf(priv->chip_name, "8192EU"); + priv->rf_paths = 2; + priv->rx_paths = 2; + priv->tx_paths = 2; + priv->rtl_chip = RTL8192E; + } + } else if (bonding == HPON_FSM_BONDING_1T2R) { + sprintf(priv->chip_name, "8191CU"); + priv->rf_paths = 2; + priv->rx_paths = 2; + priv->tx_paths = 1; + priv->usb_interrupts = 1; + priv->rtl_chip = RTL8191C; + } else { + sprintf(priv->chip_name, "8192CU"); + priv->rf_paths = 2; + priv->rx_paths = 2; + priv->tx_paths = 2; + priv->usb_interrupts = 1; + priv->rtl_chip = RTL8192C; + } + priv->has_wifi = 1; + } else { + sprintf(priv->chip_name, "8188CU"); + priv->rf_paths = 1; + priv->rx_paths = 1; + priv->tx_paths = 1; + priv->rtl_chip = RTL8188C; + priv->usb_interrupts = 1; + priv->has_wifi = 1; + } + + switch (priv->rtl_chip) { + case RTL8188E: + case RTL8192E: + case RTL8723B: + switch (val32 & SYS_CFG_VENDOR_EXT_MASK) { + case SYS_CFG_VENDOR_ID_TSMC: + sprintf(priv->chip_vendor, "TSMC"); + break; + case SYS_CFG_VENDOR_ID_SMIC: + sprintf(priv->chip_vendor, "SMIC"); + priv->vendor_smic = 1; + break; + case SYS_CFG_VENDOR_ID_UMC: + sprintf(priv->chip_vendor, "UMC"); + priv->vendor_umc = 1; + break; + default: + sprintf(priv->chip_vendor, "unknown"); + } + break; + default: + if (val32 & SYS_CFG_VENDOR_ID) { + sprintf(priv->chip_vendor, "UMC"); + priv->vendor_umc = 1; + } else { + sprintf(priv->chip_vendor, "TSMC"); + } + } + + val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS); + priv->rom_rev = (val32 & GPIO_RF_RL_ID) >> 28; + + val16 = rtl8xxxu_read16(priv, REG_NORMAL_SIE_EP_TX); + if (val16 & NORMAL_SIE_EP_TX_HIGH_MASK) { + priv->ep_tx_high_queue = 1; + priv->ep_tx_count++; + } + + if (val16 & NORMAL_SIE_EP_TX_NORMAL_MASK) { + priv->ep_tx_normal_queue = 1; + priv->ep_tx_count++; + } + + if (val16 & NORMAL_SIE_EP_TX_LOW_MASK) { + priv->ep_tx_low_queue = 1; + priv->ep_tx_count++; + } + + /* + * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX + */ + if (!priv->ep_tx_count) { + switch (priv->nr_out_eps) { + case 4: + case 3: + priv->ep_tx_low_queue = 1; + priv->ep_tx_count++; + case 2: + priv->ep_tx_normal_queue = 1; + priv->ep_tx_count++; + case 1: + priv->ep_tx_high_queue = 1; + priv->ep_tx_count++; + break; + default: + dev_info(dev, "Unsupported USB TX end-points\n"); + return -ENOTSUPP; + } + } + + return 0; +} + +static int +rtl8xxxu_read_efuse8(struct rtl8xxxu_priv *priv, u16 offset, u8 *data) +{ + int i; + u8 val8; + u32 val32; + + /* Write Address */ + rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 1, offset & 0xff); + val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 2); + val8 &= 0xfc; + val8 |= (offset >> 8) & 0x03; + rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 2, val8); + + val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 3); + rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 3, val8 & 0x7f); + + /* Poll for data read */ + val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); + for (i = 0; i < RTL8XXXU_MAX_REG_POLL; i++) { + val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); + if (val32 & BIT(31)) + break; + } + + if (i == RTL8XXXU_MAX_REG_POLL) + return -EIO; + + udelay(50); + val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); + + *data = val32 & 0xff; + return 0; +} + +static int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + int i, ret = 0; + u8 val8, word_mask, header, extheader; + u16 val16, efuse_addr, offset; + u32 val32; + + val16 = rtl8xxxu_read16(priv, REG_9346CR); + if (val16 & EEPROM_ENABLE) + priv->has_eeprom = 1; + if (val16 & EEPROM_BOOT) + priv->boot_eeprom = 1; + + if (priv->is_multi_func) { + val32 = rtl8xxxu_read32(priv, REG_EFUSE_TEST); + val32 = (val32 & ~EFUSE_SELECT_MASK) | EFUSE_WIFI_SELECT; + rtl8xxxu_write32(priv, REG_EFUSE_TEST, val32); + } + + dev_dbg(dev, "Booting from %s\n", + priv->boot_eeprom ? "EEPROM" : "EFUSE"); + + rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_ENABLE); + + /* 1.2V Power: From VDDON with Power Cut(0x0000[15]), default valid */ + val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL); + if (!(val16 & SYS_ISO_PWC_EV12V)) { + val16 |= SYS_ISO_PWC_EV12V; + rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16); + } + /* Reset: 0x0000[28], default valid */ + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + if (!(val16 & SYS_FUNC_ELDR)) { + val16 |= SYS_FUNC_ELDR; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + } + + /* + * Clock: Gated(0x0008[5]) 8M(0x0008[1]) clock from ANA, default valid + */ + val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR); + if (!(val16 & SYS_CLK_LOADER_ENABLE) || !(val16 & SYS_CLK_ANA8M)) { + val16 |= (SYS_CLK_LOADER_ENABLE | SYS_CLK_ANA8M); + rtl8xxxu_write16(priv, REG_SYS_CLKR, val16); + } + + /* Default value is 0xff */ + memset(priv->efuse_wifi.raw, 0xff, EFUSE_MAP_LEN); + + efuse_addr = 0; + while (efuse_addr < EFUSE_REAL_CONTENT_LEN_8723A) { + u16 map_addr; + + ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &header); + if (ret || header == 0xff) + goto exit; + + if ((header & 0x1f) == 0x0f) { /* extended header */ + offset = (header & 0xe0) >> 5; + + ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, + &extheader); + if (ret) + goto exit; + /* All words disabled */ + if ((extheader & 0x0f) == 0x0f) + continue; + + offset |= ((extheader & 0xf0) >> 1); + word_mask = extheader & 0x0f; + } else { + offset = (header >> 4) & 0x0f; + word_mask = header & 0x0f; + } + + /* Get word enable value from PG header */ + + /* We have 8 bits to indicate validity */ + map_addr = offset * 8; + if (map_addr >= EFUSE_MAP_LEN) { + dev_warn(dev, "%s: Illegal map_addr (%04x), " + "efuse corrupt!\n", + __func__, map_addr); + ret = -EINVAL; + goto exit; + } + for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { + /* Check word enable condition in the section */ + if (word_mask & BIT(i)) { + map_addr += 2; + continue; + } + + ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8); + if (ret) + goto exit; + priv->efuse_wifi.raw[map_addr++] = val8; + + ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8); + if (ret) + goto exit; + priv->efuse_wifi.raw[map_addr++] = val8; + } + } + +exit: + rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_DISABLE); + + return ret; +} + +void rtl8xxxu_reset_8051(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u16 sys_func; + + val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); + val8 &= ~BIT(0); + rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); + + sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC); + sys_func &= ~SYS_FUNC_CPU_ENABLE; + rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); + + val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); + val8 |= BIT(0); + rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); + + sys_func |= SYS_FUNC_CPU_ENABLE; + rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); +} + +static int rtl8xxxu_start_firmware(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + int ret = 0, i; + u32 val32; + + /* Poll checksum report */ + for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) { + val32 = rtl8xxxu_read32(priv, REG_MCU_FW_DL); + if (val32 & MCU_FW_DL_CSUM_REPORT) + break; + } + + if (i == RTL8XXXU_FIRMWARE_POLL_MAX) { + dev_warn(dev, "Firmware checksum poll timed out\n"); + ret = -EAGAIN; + goto exit; + } + + val32 = rtl8xxxu_read32(priv, REG_MCU_FW_DL); + val32 |= MCU_FW_DL_READY; + val32 &= ~MCU_WINT_INIT_READY; + rtl8xxxu_write32(priv, REG_MCU_FW_DL, val32); + + /* + * Reset the 8051 in order for the firmware to start running, + * otherwise it won't come up on the 8192eu + */ + priv->fops->reset_8051(priv); + + /* Wait for firmware to become ready */ + for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) { + val32 = rtl8xxxu_read32(priv, REG_MCU_FW_DL); + if (val32 & MCU_WINT_INIT_READY) + break; + + udelay(100); + } + + if (i == RTL8XXXU_FIRMWARE_POLL_MAX) { + dev_warn(dev, "Firmware failed to start\n"); + ret = -EAGAIN; + goto exit; + } + + /* + * Init H2C command + */ + if (priv->rtl_chip == RTL8723B) + rtl8xxxu_write8(priv, REG_HMTFR, 0x0f); +exit: + return ret; +} + +static int rtl8xxxu_download_firmware(struct rtl8xxxu_priv *priv) +{ + int pages, remainder, i, ret; + u8 val8; + u16 val16; + u32 val32; + u8 *fwptr; + + val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC + 1); + val8 |= 4; + rtl8xxxu_write8(priv, REG_SYS_FUNC + 1, val8); + + /* 8051 enable */ + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + val16 |= SYS_FUNC_CPU_ENABLE; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + + val8 = rtl8xxxu_read8(priv, REG_MCU_FW_DL); + if (val8 & MCU_FW_RAM_SEL) { + pr_info("do the RAM reset\n"); + rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); + priv->fops->reset_8051(priv); + } + + /* MCU firmware download enable */ + val8 = rtl8xxxu_read8(priv, REG_MCU_FW_DL); + val8 |= MCU_FW_DL_ENABLE; + rtl8xxxu_write8(priv, REG_MCU_FW_DL, val8); + + /* 8051 reset */ + val32 = rtl8xxxu_read32(priv, REG_MCU_FW_DL); + val32 &= ~BIT(19); + rtl8xxxu_write32(priv, REG_MCU_FW_DL, val32); + + /* Reset firmware download checksum */ + val8 = rtl8xxxu_read8(priv, REG_MCU_FW_DL); + val8 |= MCU_FW_DL_CSUM_REPORT; + rtl8xxxu_write8(priv, REG_MCU_FW_DL, val8); + + pages = priv->fw_size / RTL_FW_PAGE_SIZE; + remainder = priv->fw_size % RTL_FW_PAGE_SIZE; + + fwptr = priv->fw_data->data; + + for (i = 0; i < pages; i++) { + val8 = rtl8xxxu_read8(priv, REG_MCU_FW_DL + 2) & 0xF8; + val8 |= i; + rtl8xxxu_write8(priv, REG_MCU_FW_DL + 2, val8); + + ret = rtl8xxxu_writeN(priv, REG_FW_START_ADDRESS, + fwptr, RTL_FW_PAGE_SIZE); + if (ret != RTL_FW_PAGE_SIZE) { + ret = -EAGAIN; + goto fw_abort; + } + + fwptr += RTL_FW_PAGE_SIZE; + } + + if (remainder) { + val8 = rtl8xxxu_read8(priv, REG_MCU_FW_DL + 2) & 0xF8; + val8 |= i; + rtl8xxxu_write8(priv, REG_MCU_FW_DL + 2, val8); + ret = rtl8xxxu_writeN(priv, REG_FW_START_ADDRESS, + fwptr, remainder); + if (ret != remainder) { + ret = -EAGAIN; + goto fw_abort; + } + } + + ret = 0; +fw_abort: + /* MCU firmware download disable */ + val16 = rtl8xxxu_read16(priv, REG_MCU_FW_DL); + val16 &= ~MCU_FW_DL_ENABLE; + rtl8xxxu_write16(priv, REG_MCU_FW_DL, val16); + + return ret; +} + +int rtl8xxxu_load_firmware(struct rtl8xxxu_priv *priv, char *fw_name) +{ + struct device *dev = &priv->udev->dev; + const struct firmware *fw; + int ret = 0; + u16 signature; + + dev_info(dev, "%s: Loading firmware %s\n", DRIVER_NAME, fw_name); + if (request_firmware(&fw, fw_name, &priv->udev->dev)) { + dev_warn(dev, "request_firmware(%s) failed\n", fw_name); + ret = -EAGAIN; + goto exit; + } + if (!fw) { + dev_warn(dev, "Firmware data not available\n"); + ret = -EINVAL; + goto exit; + } + + priv->fw_data = kmemdup(fw->data, fw->size, GFP_KERNEL); + if (!priv->fw_data) { + ret = -ENOMEM; + goto exit; + } + priv->fw_size = fw->size - sizeof(struct rtl8xxxu_firmware_header); + + signature = le16_to_cpu(priv->fw_data->signature); + switch (signature & 0xfff0) { + case 0x92e0: + case 0x92c0: + case 0x88c0: + case 0x5300: + case 0x2300: + break; + default: + ret = -EINVAL; + dev_warn(dev, "%s: Invalid firmware signature: 0x%04x\n", + __func__, signature); + } + + dev_info(dev, "Firmware revision %i.%i (signature 0x%04x)\n", + le16_to_cpu(priv->fw_data->major_version), + priv->fw_data->minor_version, signature); + +exit: + release_firmware(fw); + return ret; +} + +void rtl8xxxu_firmware_self_reset(struct rtl8xxxu_priv *priv) +{ + u16 val16; + int i = 100; + + /* Inform 8051 to perform reset */ + rtl8xxxu_write8(priv, REG_HMTFR + 3, 0x20); + + for (i = 100; i > 0; i--) { + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + + if (!(val16 & SYS_FUNC_CPU_ENABLE)) { + dev_dbg(&priv->udev->dev, + "%s: Firmware self reset success!\n", __func__); + break; + } + udelay(50); + } + + if (!i) { + /* Force firmware reset */ + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + val16 &= ~SYS_FUNC_CPU_ENABLE; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + } +} + +static int +rtl8xxxu_init_mac(struct rtl8xxxu_priv *priv) +{ + struct rtl8xxxu_reg8val *array = priv->fops->mactable; + int i, ret; + u16 reg; + u8 val; + + for (i = 0; ; i++) { + reg = array[i].reg; + val = array[i].val; + + if (reg == 0xffff && val == 0xff) + break; + + ret = rtl8xxxu_write8(priv, reg, val); + if (ret != 1) { + dev_warn(&priv->udev->dev, + "Failed to initialize MAC " + "(reg: %04x, val %02x)\n", reg, val); + return -EAGAIN; + } + } + + if (priv->rtl_chip != RTL8723B && priv->rtl_chip != RTL8192E) + rtl8xxxu_write8(priv, REG_MAX_AGGR_NUM, 0x0a); + + return 0; +} + +int rtl8xxxu_init_phy_regs(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_reg32val *array) +{ + int i, ret; + u16 reg; + u32 val; + + for (i = 0; ; i++) { + reg = array[i].reg; + val = array[i].val; + + if (reg == 0xffff && val == 0xffffffff) + break; + + ret = rtl8xxxu_write32(priv, reg, val); + if (ret != sizeof(val)) { + dev_warn(&priv->udev->dev, + "Failed to initialize PHY\n"); + return -EAGAIN; + } + udelay(1); + } + + return 0; +} + +void rtl8xxxu_gen1_init_phy_bb(struct rtl8xxxu_priv *priv) +{ + u8 val8, ldoa15, ldov12d, lpldo, ldohci12; + u16 val16; + u32 val32; + + val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL); + udelay(2); + val8 |= AFE_PLL_320_ENABLE; + rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8); + udelay(2); + + rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL + 1, 0xff); + udelay(2); + + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + + val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL); + val32 &= ~AFE_XTAL_RF_GATE; + if (priv->has_bluetooth) + val32 &= ~AFE_XTAL_BT_GATE; + rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32); + + /* 6. 0x1f[7:0] = 0x07 */ + val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; + rtl8xxxu_write8(priv, REG_RF_CTRL, val8); + + if (priv->hi_pa) + rtl8xxxu_init_phy_regs(priv, rtl8188ru_phy_1t_highpa_table); + else if (priv->tx_paths == 2) + rtl8xxxu_init_phy_regs(priv, rtl8192cu_phy_2t_init_table); + else + rtl8xxxu_init_phy_regs(priv, rtl8723a_phy_1t_init_table); + + if (priv->rtl_chip == RTL8188R && priv->hi_pa && + priv->vendor_umc && priv->chip_cut == 1) + rtl8xxxu_write8(priv, REG_OFDM0_AGC_PARM1 + 2, 0x50); + + if (priv->hi_pa) + rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_highpa_table); + else + rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_standard_table); + + ldoa15 = LDOA15_ENABLE | LDOA15_OBUF; + ldov12d = LDOV12D_ENABLE | BIT(2) | (2 << LDOV12D_VADJ_SHIFT); + ldohci12 = 0x57; + lpldo = 1; + val32 = (lpldo << 24) | (ldohci12 << 16) | (ldov12d << 8) | ldoa15; + rtl8xxxu_write32(priv, REG_LDOA15_CTRL, val32); +} + +/* + * Most of this is black magic retrieved from the old rtl8723au driver + */ +static int rtl8xxxu_init_phy_bb(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u32 val32; + + priv->fops->init_phy_bb(priv); + + if (priv->tx_paths == 1 && priv->rx_paths == 2) { + /* + * For 1T2R boards, patch the registers. + * + * It looks like 8191/2 1T2R boards use path B for TX + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_TX_INFO); + val32 &= ~(BIT(0) | BIT(1)); + val32 |= BIT(1); + rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA1_TX_INFO); + val32 &= ~0x300033; + val32 |= 0x200022; + rtl8xxxu_write32(priv, REG_FPGA1_TX_INFO, val32); + + val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING); + val32 &= ~CCK0_AFE_RX_MASK; + val32 &= 0x00ffffff; + val32 |= 0x40000000; + val32 |= CCK0_AFE_RX_ANT_B; + rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); + val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK); + val32 |= (OFDM_RF_PATH_RX_A | OFDM_RF_PATH_RX_B | + OFDM_RF_PATH_TX_B); + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_PARM1); + val32 &= ~(BIT(4) | BIT(5)); + val32 |= BIT(4); + rtl8xxxu_write32(priv, REG_OFDM0_AGC_PARM1, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_CCK_RFON); + val32 &= ~(BIT(27) | BIT(26)); + val32 |= BIT(27); + rtl8xxxu_write32(priv, REG_TX_CCK_RFON, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_CCK_BBON); + val32 &= ~(BIT(27) | BIT(26)); + val32 |= BIT(27); + rtl8xxxu_write32(priv, REG_TX_CCK_BBON, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_RFON); + val32 &= ~(BIT(27) | BIT(26)); + val32 |= BIT(27); + rtl8xxxu_write32(priv, REG_TX_OFDM_RFON, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_BBON); + val32 &= ~(BIT(27) | BIT(26)); + val32 |= BIT(27); + rtl8xxxu_write32(priv, REG_TX_OFDM_BBON, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_TO_TX); + val32 &= ~(BIT(27) | BIT(26)); + val32 |= BIT(27); + rtl8xxxu_write32(priv, REG_TX_TO_TX, val32); + } + + if (priv->has_xtalk) { + val32 = rtl8xxxu_read32(priv, REG_MAC_PHY_CTRL); + + val8 = priv->xtalk; + val32 &= 0xff000fff; + val32 |= ((val8 | (val8 << 6)) << 12); + + rtl8xxxu_write32(priv, REG_MAC_PHY_CTRL, val32); + } + + if (priv->rtl_chip == RTL8192E) + rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, 0x000f81fb); + + return 0; +} + +static int rtl8xxxu_init_rf_regs(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_rfregval *array, + enum rtl8xxxu_rfpath path) +{ + int i, ret; + u8 reg; + u32 val; + + for (i = 0; ; i++) { + reg = array[i].reg; + val = array[i].val; + + if (reg == 0xff && val == 0xffffffff) + break; + + switch (reg) { + case 0xfe: + msleep(50); + continue; + case 0xfd: + mdelay(5); + continue; + case 0xfc: + mdelay(1); + continue; + case 0xfb: + udelay(50); + continue; + case 0xfa: + udelay(5); + continue; + case 0xf9: + udelay(1); + continue; + } + + ret = rtl8xxxu_write_rfreg(priv, path, reg, val); + if (ret) { + dev_warn(&priv->udev->dev, + "Failed to initialize RF\n"); + return -EAGAIN; + } + udelay(1); + } + + return 0; +} + +int rtl8xxxu_init_phy_rf(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_rfregval *table, + enum rtl8xxxu_rfpath path) +{ + u32 val32; + u16 val16, rfsi_rfenv; + u16 reg_sw_ctrl, reg_int_oe, reg_hssi_parm2; + + switch (path) { + case RF_A: + reg_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL; + reg_int_oe = REG_FPGA0_XA_RF_INT_OE; + reg_hssi_parm2 = REG_FPGA0_XA_HSSI_PARM2; + break; + case RF_B: + reg_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL; + reg_int_oe = REG_FPGA0_XB_RF_INT_OE; + reg_hssi_parm2 = REG_FPGA0_XB_HSSI_PARM2; + break; + default: + dev_err(&priv->udev->dev, "%s:Unsupported RF path %c\n", + __func__, path + 'A'); + return -EINVAL; + } + /* For path B, use XB */ + rfsi_rfenv = rtl8xxxu_read16(priv, reg_sw_ctrl); + rfsi_rfenv &= FPGA0_RF_RFENV; + + /* + * These two we might be able to optimize into one + */ + val32 = rtl8xxxu_read32(priv, reg_int_oe); + val32 |= BIT(20); /* 0x10 << 16 */ + rtl8xxxu_write32(priv, reg_int_oe, val32); + udelay(1); + + val32 = rtl8xxxu_read32(priv, reg_int_oe); + val32 |= BIT(4); + rtl8xxxu_write32(priv, reg_int_oe, val32); + udelay(1); + + /* + * These two we might be able to optimize into one + */ + val32 = rtl8xxxu_read32(priv, reg_hssi_parm2); + val32 &= ~FPGA0_HSSI_3WIRE_ADDR_LEN; + rtl8xxxu_write32(priv, reg_hssi_parm2, val32); + udelay(1); + + val32 = rtl8xxxu_read32(priv, reg_hssi_parm2); + val32 &= ~FPGA0_HSSI_3WIRE_DATA_LEN; + rtl8xxxu_write32(priv, reg_hssi_parm2, val32); + udelay(1); + + rtl8xxxu_init_rf_regs(priv, table, path); + + /* For path B, use XB */ + val16 = rtl8xxxu_read16(priv, reg_sw_ctrl); + val16 &= ~FPGA0_RF_RFENV; + val16 |= rfsi_rfenv; + rtl8xxxu_write16(priv, reg_sw_ctrl, val16); + + return 0; +} + +static int rtl8xxxu_llt_write(struct rtl8xxxu_priv *priv, u8 address, u8 data) +{ + int ret = -EBUSY; + int count = 0; + u32 value; + + value = LLT_OP_WRITE | address << 8 | data; + + rtl8xxxu_write32(priv, REG_LLT_INIT, value); + + do { + value = rtl8xxxu_read32(priv, REG_LLT_INIT); + if ((value & LLT_OP_MASK) == LLT_OP_INACTIVE) { + ret = 0; + break; + } + } while (count++ < 20); + + return ret; +} + +int rtl8xxxu_init_llt_table(struct rtl8xxxu_priv *priv) +{ + int ret; + int i; + u8 last_tx_page; + + last_tx_page = priv->fops->total_page_num; + + for (i = 0; i < last_tx_page; i++) { + ret = rtl8xxxu_llt_write(priv, i, i + 1); + if (ret) + goto exit; + } + + ret = rtl8xxxu_llt_write(priv, last_tx_page, 0xff); + if (ret) + goto exit; + + /* Mark remaining pages as a ring buffer */ + for (i = last_tx_page + 1; i < 0xff; i++) { + ret = rtl8xxxu_llt_write(priv, i, (i + 1)); + if (ret) + goto exit; + } + + /* Let last entry point to the start entry of ring buffer */ + ret = rtl8xxxu_llt_write(priv, 0xff, last_tx_page + 1); + if (ret) + goto exit; + +exit: + return ret; +} + +int rtl8xxxu_auto_llt_table(struct rtl8xxxu_priv *priv) +{ + u32 val32; + int ret = 0; + int i; + + val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT); + val32 |= AUTO_LLT_INIT_LLT; + rtl8xxxu_write32(priv, REG_AUTO_LLT, val32); + + for (i = 500; i; i--) { + val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT); + if (!(val32 & AUTO_LLT_INIT_LLT)) + break; + usleep_range(2, 4); + } + + if (!i) { + ret = -EBUSY; + dev_warn(&priv->udev->dev, "LLT table init failed\n"); + } + + return ret; +} + +static int rtl8xxxu_init_queue_priority(struct rtl8xxxu_priv *priv) +{ + u16 val16, hi, lo; + u16 hiq, mgq, bkq, beq, viq, voq; + int hip, mgp, bkp, bep, vip, vop; + int ret = 0; + + switch (priv->ep_tx_count) { + case 1: + if (priv->ep_tx_high_queue) { + hi = TRXDMA_QUEUE_HIGH; + } else if (priv->ep_tx_low_queue) { + hi = TRXDMA_QUEUE_LOW; + } else if (priv->ep_tx_normal_queue) { + hi = TRXDMA_QUEUE_NORMAL; + } else { + hi = 0; + ret = -EINVAL; + } + + hiq = hi; + mgq = hi; + bkq = hi; + beq = hi; + viq = hi; + voq = hi; + + hip = 0; + mgp = 0; + bkp = 0; + bep = 0; + vip = 0; + vop = 0; + break; + case 2: + if (priv->ep_tx_high_queue && priv->ep_tx_low_queue) { + hi = TRXDMA_QUEUE_HIGH; + lo = TRXDMA_QUEUE_LOW; + } else if (priv->ep_tx_normal_queue && priv->ep_tx_low_queue) { + hi = TRXDMA_QUEUE_NORMAL; + lo = TRXDMA_QUEUE_LOW; + } else if (priv->ep_tx_high_queue && priv->ep_tx_normal_queue) { + hi = TRXDMA_QUEUE_HIGH; + lo = TRXDMA_QUEUE_NORMAL; + } else { + ret = -EINVAL; + hi = 0; + lo = 0; + } + + hiq = hi; + mgq = hi; + bkq = lo; + beq = lo; + viq = hi; + voq = hi; + + hip = 0; + mgp = 0; + bkp = 1; + bep = 1; + vip = 0; + vop = 0; + break; + case 3: + beq = TRXDMA_QUEUE_LOW; + bkq = TRXDMA_QUEUE_LOW; + viq = TRXDMA_QUEUE_NORMAL; + voq = TRXDMA_QUEUE_HIGH; + mgq = TRXDMA_QUEUE_HIGH; + hiq = TRXDMA_QUEUE_HIGH; + + hip = hiq ^ 3; + mgp = mgq ^ 3; + bkp = bkq ^ 3; + bep = beq ^ 3; + vip = viq ^ 3; + vop = viq ^ 3; + break; + default: + ret = -EINVAL; + } + + /* + * None of the vendor drivers are configuring the beacon + * queue here .... why? + */ + if (!ret) { + val16 = rtl8xxxu_read16(priv, REG_TRXDMA_CTRL); + val16 &= 0x7; + val16 |= (voq << TRXDMA_CTRL_VOQ_SHIFT) | + (viq << TRXDMA_CTRL_VIQ_SHIFT) | + (beq << TRXDMA_CTRL_BEQ_SHIFT) | + (bkq << TRXDMA_CTRL_BKQ_SHIFT) | + (mgq << TRXDMA_CTRL_MGQ_SHIFT) | + (hiq << TRXDMA_CTRL_HIQ_SHIFT); + rtl8xxxu_write16(priv, REG_TRXDMA_CTRL, val16); + + priv->pipe_out[TXDESC_QUEUE_VO] = + usb_sndbulkpipe(priv->udev, priv->out_ep[vop]); + priv->pipe_out[TXDESC_QUEUE_VI] = + usb_sndbulkpipe(priv->udev, priv->out_ep[vip]); + priv->pipe_out[TXDESC_QUEUE_BE] = + usb_sndbulkpipe(priv->udev, priv->out_ep[bep]); + priv->pipe_out[TXDESC_QUEUE_BK] = + usb_sndbulkpipe(priv->udev, priv->out_ep[bkp]); + priv->pipe_out[TXDESC_QUEUE_BEACON] = + usb_sndbulkpipe(priv->udev, priv->out_ep[0]); + priv->pipe_out[TXDESC_QUEUE_MGNT] = + usb_sndbulkpipe(priv->udev, priv->out_ep[mgp]); + priv->pipe_out[TXDESC_QUEUE_HIGH] = + usb_sndbulkpipe(priv->udev, priv->out_ep[hip]); + priv->pipe_out[TXDESC_QUEUE_CMD] = + usb_sndbulkpipe(priv->udev, priv->out_ep[0]); + } + + return ret; +} + +void rtl8xxxu_fill_iqk_matrix_a(struct rtl8xxxu_priv *priv, bool iqk_ok, + int result[][8], int candidate, bool tx_only) +{ + u32 oldval, x, tx0_a, reg; + int y, tx0_c; + u32 val32; + + if (!iqk_ok) + return; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); + oldval = val32 >> 22; + + x = result[candidate][0]; + if ((x & 0x00000200) != 0) + x = x | 0xfffffc00; + tx0_a = (x * oldval) >> 8; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); + val32 &= ~0x3ff; + val32 |= tx0_a; + rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); + val32 &= ~BIT(31); + if ((x * oldval >> 7) & 0x1) + val32 |= BIT(31); + rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); + + y = result[candidate][1]; + if ((y & 0x00000200) != 0) + y = y | 0xfffffc00; + tx0_c = (y * oldval) >> 8; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XC_TX_AFE); + val32 &= ~0xf0000000; + val32 |= (((tx0_c & 0x3c0) >> 6) << 28); + rtl8xxxu_write32(priv, REG_OFDM0_XC_TX_AFE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); + val32 &= ~0x003f0000; + val32 |= ((tx0_c & 0x3f) << 16); + rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); + val32 &= ~BIT(29); + if ((y * oldval >> 7) & 0x1) + val32 |= BIT(29); + rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); + + if (tx_only) { + dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__); + return; + } + + reg = result[candidate][2]; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE); + val32 &= ~0x3ff; + val32 |= (reg & 0x3ff); + rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32); + + reg = result[candidate][3] & 0x3F; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE); + val32 &= ~0xfc00; + val32 |= ((reg << 10) & 0xfc00); + rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32); + + reg = (result[candidate][3] >> 6) & 0xF; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_IQ_EXT_ANTA); + val32 &= ~0xf0000000; + val32 |= (reg << 28); + rtl8xxxu_write32(priv, REG_OFDM0_RX_IQ_EXT_ANTA, val32); +} + +void rtl8xxxu_fill_iqk_matrix_b(struct rtl8xxxu_priv *priv, bool iqk_ok, + int result[][8], int candidate, bool tx_only) +{ + u32 oldval, x, tx1_a, reg; + int y, tx1_c; + u32 val32; + + if (!iqk_ok) + return; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); + oldval = val32 >> 22; + + x = result[candidate][4]; + if ((x & 0x00000200) != 0) + x = x | 0xfffffc00; + tx1_a = (x * oldval) >> 8; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); + val32 &= ~0x3ff; + val32 |= tx1_a; + rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); + val32 &= ~BIT(27); + if ((x * oldval >> 7) & 0x1) + val32 |= BIT(27); + rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); + + y = result[candidate][5]; + if ((y & 0x00000200) != 0) + y = y | 0xfffffc00; + tx1_c = (y * oldval) >> 8; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XD_TX_AFE); + val32 &= ~0xf0000000; + val32 |= (((tx1_c & 0x3c0) >> 6) << 28); + rtl8xxxu_write32(priv, REG_OFDM0_XD_TX_AFE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); + val32 &= ~0x003f0000; + val32 |= ((tx1_c & 0x3f) << 16); + rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); + val32 &= ~BIT(25); + if ((y * oldval >> 7) & 0x1) + val32 |= BIT(25); + rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); + + if (tx_only) { + dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__); + return; + } + + reg = result[candidate][6]; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE); + val32 &= ~0x3ff; + val32 |= (reg & 0x3ff); + rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32); + + reg = result[candidate][7] & 0x3f; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE); + val32 &= ~0xfc00; + val32 |= ((reg << 10) & 0xfc00); + rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32); + + reg = (result[candidate][7] >> 6) & 0xf; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGCR_SSI_TABLE); + val32 &= ~0x0000f000; + val32 |= (reg << 12); + rtl8xxxu_write32(priv, REG_OFDM0_AGCR_SSI_TABLE, val32); +} + +#define MAX_TOLERANCE 5 + +static bool rtl8xxxu_simularity_compare(struct rtl8xxxu_priv *priv, + int result[][8], int c1, int c2) +{ + u32 i, j, diff, simubitmap, bound = 0; + int candidate[2] = {-1, -1}; /* for path A and path B */ + bool retval = true; + + if (priv->tx_paths > 1) + bound = 8; + else + bound = 4; + + simubitmap = 0; + + for (i = 0; i < bound; i++) { + diff = (result[c1][i] > result[c2][i]) ? + (result[c1][i] - result[c2][i]) : + (result[c2][i] - result[c1][i]); + if (diff > MAX_TOLERANCE) { + if ((i == 2 || i == 6) && !simubitmap) { + if (result[c1][i] + result[c1][i + 1] == 0) + candidate[(i / 4)] = c2; + else if (result[c2][i] + result[c2][i + 1] == 0) + candidate[(i / 4)] = c1; + else + simubitmap = simubitmap | (1 << i); + } else { + simubitmap = simubitmap | (1 << i); + } + } + } + + if (simubitmap == 0) { + for (i = 0; i < (bound / 4); i++) { + if (candidate[i] >= 0) { + for (j = i * 4; j < (i + 1) * 4 - 2; j++) + result[3][j] = result[candidate[i]][j]; + retval = false; + } + } + return retval; + } else if (!(simubitmap & 0x0f)) { + /* path A OK */ + for (i = 0; i < 4; i++) + result[3][i] = result[c1][i]; + } else if (!(simubitmap & 0xf0) && priv->tx_paths > 1) { + /* path B OK */ + for (i = 4; i < 8; i++) + result[3][i] = result[c1][i]; + } + + return false; +} + +bool rtl8xxxu_gen2_simularity_compare(struct rtl8xxxu_priv *priv, + int result[][8], int c1, int c2) +{ + u32 i, j, diff, simubitmap, bound = 0; + int candidate[2] = {-1, -1}; /* for path A and path B */ + int tmp1, tmp2; + bool retval = true; + + if (priv->tx_paths > 1) + bound = 8; + else + bound = 4; + + simubitmap = 0; + + for (i = 0; i < bound; i++) { + if (i & 1) { + if ((result[c1][i] & 0x00000200)) + tmp1 = result[c1][i] | 0xfffffc00; + else + tmp1 = result[c1][i]; + + if ((result[c2][i]& 0x00000200)) + tmp2 = result[c2][i] | 0xfffffc00; + else + tmp2 = result[c2][i]; + } else { + tmp1 = result[c1][i]; + tmp2 = result[c2][i]; + } + + diff = (tmp1 > tmp2) ? (tmp1 - tmp2) : (tmp2 - tmp1); + + if (diff > MAX_TOLERANCE) { + if ((i == 2 || i == 6) && !simubitmap) { + if (result[c1][i] + result[c1][i + 1] == 0) + candidate[(i / 4)] = c2; + else if (result[c2][i] + result[c2][i + 1] == 0) + candidate[(i / 4)] = c1; + else + simubitmap = simubitmap | (1 << i); + } else { + simubitmap = simubitmap | (1 << i); + } + } + } + + if (simubitmap == 0) { + for (i = 0; i < (bound / 4); i++) { + if (candidate[i] >= 0) { + for (j = i * 4; j < (i + 1) * 4 - 2; j++) + result[3][j] = result[candidate[i]][j]; + retval = false; + } + } + return retval; + } else { + if (!(simubitmap & 0x03)) { + /* path A TX OK */ + for (i = 0; i < 2; i++) + result[3][i] = result[c1][i]; + } + + if (!(simubitmap & 0x0c)) { + /* path A RX OK */ + for (i = 2; i < 4; i++) + result[3][i] = result[c1][i]; + } + + if (!(simubitmap & 0x30) && priv->tx_paths > 1) { + /* path B RX OK */ + for (i = 4; i < 6; i++) + result[3][i] = result[c1][i]; + } + + if (!(simubitmap & 0x30) && priv->tx_paths > 1) { + /* path B RX OK */ + for (i = 6; i < 8; i++) + result[3][i] = result[c1][i]; + } + } + + return false; +} + +void +rtl8xxxu_save_mac_regs(struct rtl8xxxu_priv *priv, const u32 *reg, u32 *backup) +{ + int i; + + for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++) + backup[i] = rtl8xxxu_read8(priv, reg[i]); + + backup[i] = rtl8xxxu_read32(priv, reg[i]); +} + +void rtl8xxxu_restore_mac_regs(struct rtl8xxxu_priv *priv, + const u32 *reg, u32 *backup) +{ + int i; + + for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++) + rtl8xxxu_write8(priv, reg[i], backup[i]); + + rtl8xxxu_write32(priv, reg[i], backup[i]); +} + +void rtl8xxxu_save_regs(struct rtl8xxxu_priv *priv, const u32 *regs, + u32 *backup, int count) +{ + int i; + + for (i = 0; i < count; i++) + backup[i] = rtl8xxxu_read32(priv, regs[i]); +} + +void rtl8xxxu_restore_regs(struct rtl8xxxu_priv *priv, const u32 *regs, + u32 *backup, int count) +{ + int i; + + for (i = 0; i < count; i++) + rtl8xxxu_write32(priv, regs[i], backup[i]); +} + + +void rtl8xxxu_path_adda_on(struct rtl8xxxu_priv *priv, const u32 *regs, + bool path_a_on) +{ + u32 path_on; + int i; + + if (priv->tx_paths == 1) { + path_on = priv->fops->adda_1t_path_on; + rtl8xxxu_write32(priv, regs[0], priv->fops->adda_1t_init); + } else { + path_on = path_a_on ? priv->fops->adda_2t_path_on_a : + priv->fops->adda_2t_path_on_b; + + rtl8xxxu_write32(priv, regs[0], path_on); + } + + for (i = 1 ; i < RTL8XXXU_ADDA_REGS ; i++) + rtl8xxxu_write32(priv, regs[i], path_on); +} + +void rtl8xxxu_mac_calibration(struct rtl8xxxu_priv *priv, + const u32 *regs, u32 *backup) +{ + int i = 0; + + rtl8xxxu_write8(priv, regs[i], 0x3f); + + for (i = 1 ; i < (RTL8XXXU_MAC_REGS - 1); i++) + rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(3))); + + rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(5))); +} + +static int rtl8xxxu_iqk_path_a(struct rtl8xxxu_priv *priv) +{ + u32 reg_eac, reg_e94, reg_e9c, reg_ea4, val32; + int result = 0; + + /* path-A IQK setting */ + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1f); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1f); + rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140102); + + val32 = (priv->rf_paths > 1) ? 0x28160202 : + /*IS_81xxC_VENDOR_UMC_B_CUT(pHalData->VersionID)?0x28160202: */ + 0x28160502; + rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, val32); + + /* path-B IQK setting */ + if (priv->rf_paths > 1) { + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x10008c22); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x10008c22); + rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82140102); + rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28160202); + } + + /* LO calibration setting */ + rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x001028d1); + + /* One shot, path A LOK & IQK */ + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); + + mdelay(1); + + /* Check failed */ + reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); + reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); + reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); + reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); + + if (!(reg_eac & BIT(28)) && + ((reg_e94 & 0x03ff0000) != 0x01420000) && + ((reg_e9c & 0x03ff0000) != 0x00420000)) + result |= 0x01; + else /* If TX not OK, ignore RX */ + goto out; + + /* If TX is OK, check whether RX is OK */ + if (!(reg_eac & BIT(27)) && + ((reg_ea4 & 0x03ff0000) != 0x01320000) && + ((reg_eac & 0x03ff0000) != 0x00360000)) + result |= 0x02; + else + dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n", + __func__); +out: + return result; +} + +static int rtl8xxxu_iqk_path_b(struct rtl8xxxu_priv *priv) +{ + u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc; + int result = 0; + + /* One shot, path B LOK & IQK */ + rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000002); + rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000000); + + mdelay(1); + + /* Check failed */ + reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); + reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); + reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); + reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); + reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); + + if (!(reg_eac & BIT(31)) && + ((reg_eb4 & 0x03ff0000) != 0x01420000) && + ((reg_ebc & 0x03ff0000) != 0x00420000)) + result |= 0x01; + else + goto out; + + if (!(reg_eac & BIT(30)) && + (((reg_ec4 & 0x03ff0000) >> 16) != 0x132) && + (((reg_ecc & 0x03ff0000) >> 16) != 0x36)) + result |= 0x02; + else + dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n", + __func__); +out: + return result; +} + +static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, + int result[][8], int t) +{ + struct device *dev = &priv->udev->dev; + u32 i, val32; + int path_a_ok, path_b_ok; + int retry = 2; + const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { + REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, + REG_RX_WAIT_CCA, REG_TX_CCK_RFON, + REG_TX_CCK_BBON, REG_TX_OFDM_RFON, + REG_TX_OFDM_BBON, REG_TX_TO_RX, + REG_TX_TO_TX, REG_RX_CCK, + REG_RX_OFDM, REG_RX_WAIT_RIFS, + REG_RX_TO_RX, REG_STANDBY, + REG_SLEEP, REG_PMPD_ANAEN + }; + const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { + REG_TXPAUSE, REG_BEACON_CTRL, + REG_BEACON_CTRL_1, REG_GPIO_MUXCFG + }; + const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { + REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, + REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, + REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, + REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE + }; + + /* + * Note: IQ calibration must be performed after loading + * PHY_REG.txt , and radio_a, radio_b.txt + */ + + if (t == 0) { + /* Save ADDA parameters, turn Path A ADDA on */ + rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, + RTL8XXXU_ADDA_REGS); + rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); + rtl8xxxu_save_regs(priv, iqk_bb_regs, + priv->bb_backup, RTL8XXXU_BB_REGS); + } + + rtl8xxxu_path_adda_on(priv, adda_regs, true); + + if (t == 0) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1); + if (val32 & FPGA0_HSSI_PARM1_PI) + priv->pi_enabled = 1; + } + + if (!priv->pi_enabled) { + /* Switch BB to PI mode to do IQ Calibration. */ + rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, 0x01000100); + rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, 0x01000100); + } + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 &= ~FPGA_RF_MODE_CCK; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); + rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); + rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000); + + if (!priv->no_pape) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL); + val32 |= (FPGA0_RF_PAPE | + (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); + rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); + } + + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE); + val32 &= ~BIT(10); + rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32); + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE); + val32 &= ~BIT(10); + rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32); + + if (priv->tx_paths > 1) { + rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000); + rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, 0x00010000); + } + + /* MAC settings */ + rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup); + + /* Page B init */ + rtl8xxxu_write32(priv, REG_CONFIG_ANT_A, 0x00080000); + + if (priv->tx_paths > 1) + rtl8xxxu_write32(priv, REG_CONFIG_ANT_B, 0x00080000); + + /* IQ calibration setting */ + rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); + rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); + rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); + + for (i = 0; i < retry; i++) { + path_a_ok = rtl8xxxu_iqk_path_a(priv); + if (path_a_ok == 0x03) { + val32 = rtl8xxxu_read32(priv, + REG_TX_POWER_BEFORE_IQK_A); + result[t][0] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, + REG_TX_POWER_AFTER_IQK_A); + result[t][1] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, + REG_RX_POWER_BEFORE_IQK_A_2); + result[t][2] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, + REG_RX_POWER_AFTER_IQK_A_2); + result[t][3] = (val32 >> 16) & 0x3ff; + break; + } else if (i == (retry - 1) && path_a_ok == 0x01) { + /* TX IQK OK */ + dev_dbg(dev, "%s: Path A IQK Only Tx Success!!\n", + __func__); + + val32 = rtl8xxxu_read32(priv, + REG_TX_POWER_BEFORE_IQK_A); + result[t][0] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, + REG_TX_POWER_AFTER_IQK_A); + result[t][1] = (val32 >> 16) & 0x3ff; + } + } + + if (!path_a_ok) + dev_dbg(dev, "%s: Path A IQK failed!\n", __func__); + + if (priv->tx_paths > 1) { + /* + * Path A into standby + */ + rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x0); + rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000); + rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); + + /* Turn Path B ADDA on */ + rtl8xxxu_path_adda_on(priv, adda_regs, false); + + for (i = 0; i < retry; i++) { + path_b_ok = rtl8xxxu_iqk_path_b(priv); + if (path_b_ok == 0x03) { + val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); + result[t][4] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); + result[t][5] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); + result[t][6] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); + result[t][7] = (val32 >> 16) & 0x3ff; + break; + } else if (i == (retry - 1) && path_b_ok == 0x01) { + /* TX IQK OK */ + val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); + result[t][4] = (val32 >> 16) & 0x3ff; + val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); + result[t][5] = (val32 >> 16) & 0x3ff; + } + } + + if (!path_b_ok) + dev_dbg(dev, "%s: Path B IQK failed!\n", __func__); + } + + /* Back to BB mode, load original value */ + rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0); + + if (t) { + if (!priv->pi_enabled) { + /* + * Switch back BB to SI mode after finishing + * IQ Calibration + */ + val32 = 0x01000000; + rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, val32); + rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, val32); + } + + /* Reload ADDA power saving parameters */ + rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, + RTL8XXXU_ADDA_REGS); + + /* Reload MAC parameters */ + rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); + + /* Reload BB parameters */ + rtl8xxxu_restore_regs(priv, iqk_bb_regs, + priv->bb_backup, RTL8XXXU_BB_REGS); + + /* Restore RX initial gain */ + rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00032ed3); + + if (priv->tx_paths > 1) { + rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, + 0x00032ed3); + } + + /* Load 0xe30 IQC default value */ + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); + } +} + +void rtl8xxxu_gen2_prepare_calibrate(struct rtl8xxxu_priv *priv, u8 start) +{ + struct h2c_cmd h2c; + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + h2c.bt_wlan_calibration.cmd = H2C_8723B_BT_WLAN_CALIBRATION; + h2c.bt_wlan_calibration.data = start; + + rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_wlan_calibration)); +} + +void rtl8xxxu_gen1_phy_iq_calibrate(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + int result[4][8]; /* last is final result */ + int i, candidate; + bool path_a_ok, path_b_ok; + u32 reg_e94, reg_e9c, reg_ea4, reg_eac; + u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; + s32 reg_tmp = 0; + bool simu; + + memset(result, 0, sizeof(result)); + candidate = -1; + + path_a_ok = false; + path_b_ok = false; + + rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + + for (i = 0; i < 3; i++) { + rtl8xxxu_phy_iqcalibrate(priv, result, i); + + if (i == 1) { + simu = rtl8xxxu_simularity_compare(priv, result, 0, 1); + if (simu) { + candidate = 0; + break; + } + } + + if (i == 2) { + simu = rtl8xxxu_simularity_compare(priv, result, 0, 2); + if (simu) { + candidate = 0; + break; + } + + simu = rtl8xxxu_simularity_compare(priv, result, 1, 2); + if (simu) { + candidate = 1; + } else { + for (i = 0; i < 8; i++) + reg_tmp += result[3][i]; + + if (reg_tmp) + candidate = 3; + else + candidate = -1; + } + } + } + + for (i = 0; i < 4; i++) { + reg_e94 = result[i][0]; + reg_e9c = result[i][1]; + reg_ea4 = result[i][2]; + reg_eac = result[i][3]; + reg_eb4 = result[i][4]; + reg_ebc = result[i][5]; + reg_ec4 = result[i][6]; + reg_ecc = result[i][7]; + } + + if (candidate >= 0) { + reg_e94 = result[candidate][0]; + priv->rege94 = reg_e94; + reg_e9c = result[candidate][1]; + priv->rege9c = reg_e9c; + reg_ea4 = result[candidate][2]; + reg_eac = result[candidate][3]; + reg_eb4 = result[candidate][4]; + priv->regeb4 = reg_eb4; + reg_ebc = result[candidate][5]; + priv->regebc = reg_ebc; + reg_ec4 = result[candidate][6]; + reg_ecc = result[candidate][7]; + dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); + dev_dbg(dev, + "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x " + "ecc=%x\n ", __func__, reg_e94, reg_e9c, + reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); + path_a_ok = true; + path_b_ok = true; + } else { + reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; + reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; + } + + if (reg_e94 && candidate >= 0) + rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, + candidate, (reg_ea4 == 0)); + + if (priv->tx_paths > 1 && reg_eb4) + rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result, + candidate, (reg_ec4 == 0)); + + rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, + priv->bb_recovery_backup, RTL8XXXU_BB_REGS); +} + +static void rtl8723a_phy_lc_calibrate(struct rtl8xxxu_priv *priv) +{ + u32 val32; + u32 rf_amode, rf_bmode = 0, lstf; + + /* Check continuous TX and Packet TX */ + lstf = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); + + if (lstf & OFDM_LSTF_MASK) { + /* Disable all continuous TX */ + val32 = lstf & ~OFDM_LSTF_MASK; + rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); + + /* Read original RF mode Path A */ + rf_amode = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_AC); + + /* Set RF mode to standby Path A */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, + (rf_amode & 0x8ffff) | 0x10000); + + /* Path-B */ + if (priv->tx_paths > 1) { + rf_bmode = rtl8xxxu_read_rfreg(priv, RF_B, + RF6052_REG_AC); + + rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, + (rf_bmode & 0x8ffff) | 0x10000); + } + } else { + /* Deal with Packet TX case */ + /* block all queues */ + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + } + + /* Start LC calibration */ + if (priv->fops->has_s0s1) + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdfbe0); + val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG); + val32 |= 0x08000; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32); + + msleep(100); + + if (priv->fops->has_s0s1) + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdffe0); + + /* Restore original parameters */ + if (lstf & OFDM_LSTF_MASK) { + /* Path-A */ + rtl8xxxu_write32(priv, REG_OFDM1_LSTF, lstf); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, rf_amode); + + /* Path-B */ + if (priv->tx_paths > 1) + rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, + rf_bmode); + } else /* Deal with Packet TX case */ + rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); +} + +static int rtl8xxxu_set_mac(struct rtl8xxxu_priv *priv) +{ + int i; + u16 reg; + + reg = REG_MACID; + + for (i = 0; i < ETH_ALEN; i++) + rtl8xxxu_write8(priv, reg + i, priv->mac_addr[i]); + + return 0; +} + +static int rtl8xxxu_set_bssid(struct rtl8xxxu_priv *priv, const u8 *bssid) +{ + int i; + u16 reg; + + dev_dbg(&priv->udev->dev, "%s: (%pM)\n", __func__, bssid); + + reg = REG_BSSID; + + for (i = 0; i < ETH_ALEN; i++) + rtl8xxxu_write8(priv, reg + i, bssid[i]); + + return 0; +} + +static void +rtl8xxxu_set_ampdu_factor(struct rtl8xxxu_priv *priv, u8 ampdu_factor) +{ + u8 vals[4] = { 0x41, 0xa8, 0x72, 0xb9 }; + u8 max_agg = 0xf; + int i; + + ampdu_factor = 1 << (ampdu_factor + 2); + if (ampdu_factor > max_agg) + ampdu_factor = max_agg; + + for (i = 0; i < 4; i++) { + if ((vals[i] & 0xf0) > (ampdu_factor << 4)) + vals[i] = (vals[i] & 0x0f) | (ampdu_factor << 4); + + if ((vals[i] & 0x0f) > ampdu_factor) + vals[i] = (vals[i] & 0xf0) | ampdu_factor; + + rtl8xxxu_write8(priv, REG_AGGLEN_LMT + i, vals[i]); + } +} + +static void rtl8xxxu_set_ampdu_min_space(struct rtl8xxxu_priv *priv, u8 density) +{ + u8 val8; + + val8 = rtl8xxxu_read8(priv, REG_AMPDU_MIN_SPACE); + val8 &= 0xf8; + val8 |= density; + rtl8xxxu_write8(priv, REG_AMPDU_MIN_SPACE, val8); +} + +static int rtl8xxxu_active_to_emu(struct rtl8xxxu_priv *priv) +{ + u8 val8; + int count, ret = 0; + + /* Start of rtl8723AU_card_enable_flow */ + /* Act to Cardemu sequence*/ + /* Turn off RF */ + rtl8xxxu_write8(priv, REG_RF_CTRL, 0); + + /* 0x004E[7] = 0, switch DPDT_SEL_P output from register 0x0065[2] */ + val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); + val8 &= ~LEDCFG2_DPDT_SELECT; + rtl8xxxu_write8(priv, REG_LEDCFG2, val8); + + /* 0x0005[1] = 1 turn off MAC by HW state machine*/ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 |= BIT(1); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + if ((val8 & BIT(1)) == 0) + break; + udelay(10); + } + + if (!count) { + dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", + __func__); + ret = -EBUSY; + goto exit; + } + + /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */ + val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); + val8 |= SYS_ISO_ANALOG_IPS; + rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); + + /* 0x0020[0] = 0 disable LDOA12 MACRO block*/ + val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); + val8 &= ~LDOA15_ENABLE; + rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); + +exit: + return ret; +} + +int rtl8xxxu_active_to_lps(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u8 val32; + int count, ret = 0; + + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + + /* + * Poll - wait for RX packet to complete + */ + for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { + val32 = rtl8xxxu_read32(priv, 0x5f8); + if (!val32) + break; + udelay(10); + } + + if (!count) { + dev_warn(&priv->udev->dev, + "%s: RX poll timed out (0x05f8)\n", __func__); + ret = -EBUSY; + goto exit; + } + + /* Disable CCK and OFDM, clock gated */ + val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); + val8 &= ~SYS_FUNC_BBRSTB; + rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); + + udelay(2); + + /* Reset baseband */ + val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); + val8 &= ~SYS_FUNC_BB_GLB_RSTN; + rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); + + /* Reset MAC TRX */ + val8 = rtl8xxxu_read8(priv, REG_CR); + val8 = CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE; + rtl8xxxu_write8(priv, REG_CR, val8); + + /* Reset MAC TRX */ + val8 = rtl8xxxu_read8(priv, REG_CR + 1); + val8 &= ~BIT(1); /* CR_SECURITY_ENABLE */ + rtl8xxxu_write8(priv, REG_CR + 1, val8); + + /* Respond TX OK to scheduler */ + val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST); + val8 |= DUAL_TSF_TX_OK; + rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8); + +exit: + return ret; +} + +void rtl8xxxu_disabled_to_emu(struct rtl8xxxu_priv *priv) +{ + u8 val8; + + /* Clear suspend enable and power down enable*/ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~(BIT(3) | BIT(7)); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* 0x48[16] = 0 to disable GPIO9 as EXT WAKEUP*/ + val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); + val8 &= ~BIT(0); + rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); + + /* 0x04[12:11] = 11 enable WL suspend*/ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~(BIT(3) | BIT(4)); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); +} + +static int rtl8xxxu_emu_to_disabled(struct rtl8xxxu_priv *priv) +{ + u8 val8; + + /* 0x0007[7:0] = 0x20 SOP option to disable BG/MB */ + rtl8xxxu_write8(priv, REG_APS_FSMCO + 3, 0x20); + + /* 0x04[12:11] = 01 enable WL suspend */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~BIT(4); + val8 |= BIT(3); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 |= BIT(7); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */ + val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); + val8 |= BIT(0); + rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); + + return 0; +} + +int rtl8xxxu_flush_fifo(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + u32 val32; + int retry, retval; + + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + + val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM); + val32 |= RXPKT_NUM_RW_RELEASE_EN; + rtl8xxxu_write32(priv, REG_RXPKT_NUM, val32); + + retry = 100; + retval = -EBUSY; + + do { + val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM); + if (val32 & RXPKT_NUM_RXDMA_IDLE) { + retval = 0; + break; + } + } while (retry--); + + rtl8xxxu_write16(priv, REG_RQPN_NPQ, 0); + rtl8xxxu_write32(priv, REG_RQPN, 0x80000000); + mdelay(2); + + if (!retry) + dev_warn(dev, "Failed to flush FIFO\n"); + + return retval; +} + +void rtl8xxxu_gen1_usb_quirks(struct rtl8xxxu_priv *priv) +{ + /* Fix USB interface interference issue */ + rtl8xxxu_write8(priv, 0xfe40, 0xe0); + rtl8xxxu_write8(priv, 0xfe41, 0x8d); + rtl8xxxu_write8(priv, 0xfe42, 0x80); + /* + * This sets TXDMA_OFFSET_DROP_DATA_EN (bit 9) as well as bits + * 8 and 5, for which I have found no documentation. + */ + rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, 0xfd0320); + + /* + * Solve too many protocol error on USB bus. + * Can't do this for 8188/8192 UMC A cut parts + */ + if (!(!priv->chip_cut && priv->vendor_umc)) { + rtl8xxxu_write8(priv, 0xfe40, 0xe6); + rtl8xxxu_write8(priv, 0xfe41, 0x94); + rtl8xxxu_write8(priv, 0xfe42, 0x80); + + rtl8xxxu_write8(priv, 0xfe40, 0xe0); + rtl8xxxu_write8(priv, 0xfe41, 0x19); + rtl8xxxu_write8(priv, 0xfe42, 0x80); + + rtl8xxxu_write8(priv, 0xfe40, 0xe5); + rtl8xxxu_write8(priv, 0xfe41, 0x91); + rtl8xxxu_write8(priv, 0xfe42, 0x80); + + rtl8xxxu_write8(priv, 0xfe40, 0xe2); + rtl8xxxu_write8(priv, 0xfe41, 0x81); + rtl8xxxu_write8(priv, 0xfe42, 0x80); + } +} + +void rtl8xxxu_gen2_usb_quirks(struct rtl8xxxu_priv *priv) +{ + u32 val32; + + val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK); + val32 |= TXDMA_OFFSET_DROP_DATA_EN; + rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32); +} + +void rtl8xxxu_power_off(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u16 val16; + u32 val32; + + /* + * Workaround for 8188RU LNA power leakage problem. + */ + if (priv->rtl_chip == RTL8188R) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM); + val32 |= BIT(1); + rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32); + } + + rtl8xxxu_flush_fifo(priv); + + rtl8xxxu_active_to_lps(priv); + + /* Turn off RF */ + rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00); + + /* Reset Firmware if running in RAM */ + if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) + rtl8xxxu_firmware_self_reset(priv); + + /* Reset MCU */ + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + val16 &= ~SYS_FUNC_CPU_ENABLE; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + + /* Reset MCU ready status */ + rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); + + rtl8xxxu_active_to_emu(priv); + rtl8xxxu_emu_to_disabled(priv); + + /* Reset MCU IO Wrapper */ + val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); + val8 &= ~BIT(0); + rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); + + val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); + val8 |= BIT(0); + rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); + + /* RSV_CTRL 0x1C[7:0] = 0x0e lock ISO/CLK/Power control register */ + rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0e); +} + +#ifdef NEED_PS_TDMA +static void rtl8723bu_set_ps_tdma(struct rtl8xxxu_priv *priv, + u8 arg1, u8 arg2, u8 arg3, u8 arg4, u8 arg5) +{ + struct h2c_cmd h2c; + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + h2c.b_type_dma.cmd = H2C_8723B_B_TYPE_TDMA; + h2c.b_type_dma.data1 = arg1; + h2c.b_type_dma.data2 = arg2; + h2c.b_type_dma.data3 = arg3; + h2c.b_type_dma.data4 = arg4; + h2c.b_type_dma.data5 = arg5; + rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_type_dma)); +} +#endif + +void rtl8xxxu_gen2_disable_rf(struct rtl8xxxu_priv *priv) +{ + u32 val32; + + val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); + val32 &= ~(BIT(22) | BIT(23)); + rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); +} + +static void rtl8xxxu_init_queue_reserved_page(struct rtl8xxxu_priv *priv) +{ + struct rtl8xxxu_fileops *fops = priv->fops; + u32 hq, lq, nq, eq, pubq; + u32 val32; + + hq = 0; + lq = 0; + nq = 0; + eq = 0; + pubq = 0; + + if (priv->ep_tx_high_queue) + hq = fops->page_num_hi; + if (priv->ep_tx_low_queue) + lq = fops->page_num_lo; + if (priv->ep_tx_normal_queue) + nq = fops->page_num_norm; + + val32 = (nq << RQPN_NPQ_SHIFT) | (eq << RQPN_EPQ_SHIFT); + rtl8xxxu_write32(priv, REG_RQPN_NPQ, val32); + + pubq = fops->total_page_num - hq - lq - nq - 1; + + val32 = RQPN_LOAD; + val32 |= (hq << RQPN_HI_PQ_SHIFT); + val32 |= (lq << RQPN_LO_PQ_SHIFT); + val32 |= (pubq << RQPN_PUB_PQ_SHIFT); + + rtl8xxxu_write32(priv, REG_RQPN, val32); +} + +static int rtl8xxxu_init_device(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + struct rtl8xxxu_fileops *fops = priv->fops; + bool macpower; + int ret; + u8 val8; + u16 val16; + u32 val32; + + /* Check if MAC is already powered on */ + val8 = rtl8xxxu_read8(priv, REG_CR); + + /* + * Fix 92DU-VC S3 hang with the reason is that secondary mac is not + * initialized. First MAC returns 0xea, second MAC returns 0x00 + */ + if (val8 == 0xea) + macpower = false; + else + macpower = true; + + ret = fops->power_on(priv); + if (ret < 0) { + dev_warn(dev, "%s: Failed power on\n", __func__); + goto exit; + } + + if (!macpower) + rtl8xxxu_init_queue_reserved_page(priv); + + ret = rtl8xxxu_init_queue_priority(priv); + dev_dbg(dev, "%s: init_queue_priority %i\n", __func__, ret); + if (ret) + goto exit; + + /* + * Set RX page boundary + */ + rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, fops->trxff_boundary); + + ret = rtl8xxxu_download_firmware(priv); + dev_dbg(dev, "%s: download_firmware %i\n", __func__, ret); + if (ret) + goto exit; + ret = rtl8xxxu_start_firmware(priv); + dev_dbg(dev, "%s: start_firmware %i\n", __func__, ret); + if (ret) + goto exit; + + if (fops->phy_init_antenna_selection) + fops->phy_init_antenna_selection(priv); + + ret = rtl8xxxu_init_mac(priv); + + dev_dbg(dev, "%s: init_mac %i\n", __func__, ret); + if (ret) + goto exit; + + ret = rtl8xxxu_init_phy_bb(priv); + dev_dbg(dev, "%s: init_phy_bb %i\n", __func__, ret); + if (ret) + goto exit; + + ret = fops->init_phy_rf(priv); + if (ret) + goto exit; + + /* RFSW Control - clear bit 14 ?? */ + if (priv->rtl_chip != RTL8723B && priv->rtl_chip != RTL8192E) + rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, 0x00000003); + + val32 = FPGA0_RF_TRSW | FPGA0_RF_TRSWB | FPGA0_RF_ANTSW | + FPGA0_RF_ANTSWB | + ((FPGA0_RF_ANTSW | FPGA0_RF_ANTSWB) << FPGA0_RF_BD_CTRL_SHIFT); + if (!priv->no_pape) { + val32 |= (FPGA0_RF_PAPE | + (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); + } + rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); + + /* 0x860[6:5]= 00 - why? - this sets antenna B */ + if (priv->rtl_chip != RTL8192E) + rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, 0x66f60210); + + if (!macpower) { + /* + * Set TX buffer boundary + */ + val8 = fops->total_page_num + 1; + + rtl8xxxu_write8(priv, REG_TXPKTBUF_BCNQ_BDNY, val8); + rtl8xxxu_write8(priv, REG_TXPKTBUF_MGQ_BDNY, val8); + rtl8xxxu_write8(priv, REG_TXPKTBUF_WMAC_LBK_BF_HD, val8); + rtl8xxxu_write8(priv, REG_TRXFF_BNDY, val8); + rtl8xxxu_write8(priv, REG_TDECTRL + 1, val8); + } + + /* + * The vendor drivers set PBP for all devices, except 8192e. + * There is no explanation for this in any of the sources. + */ + val8 = (fops->pbp_rx << PBP_PAGE_SIZE_RX_SHIFT) | + (fops->pbp_tx << PBP_PAGE_SIZE_TX_SHIFT); + if (priv->rtl_chip != RTL8192E) + rtl8xxxu_write8(priv, REG_PBP, val8); + + dev_dbg(dev, "%s: macpower %i\n", __func__, macpower); + if (!macpower) { + ret = fops->llt_init(priv); + if (ret) { + dev_warn(dev, "%s: LLT table init failed\n", __func__); + goto exit; + } + + /* + * Chip specific quirks + */ + fops->usb_quirks(priv); + + /* + * Enable TX report and TX report timer for 8723bu/8188eu/... + */ + if (fops->has_tx_report) { + val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); + val8 |= TX_REPORT_CTRL_TIMER_ENABLE; + rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); + /* Set MAX RPT MACID */ + rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL + 1, 0x02); + /* TX report Timer. Unit: 32us */ + rtl8xxxu_write16(priv, REG_TX_REPORT_TIME, 0xcdf0); + + /* tmp ps ? */ + val8 = rtl8xxxu_read8(priv, 0xa3); + val8 &= 0xf8; + rtl8xxxu_write8(priv, 0xa3, val8); + } + } + + /* + * Unit in 8 bytes, not obvious what it is used for + */ + rtl8xxxu_write8(priv, REG_RX_DRVINFO_SZ, 4); + + if (priv->rtl_chip == RTL8192E) { + rtl8xxxu_write32(priv, REG_HIMR0, 0x00); + rtl8xxxu_write32(priv, REG_HIMR1, 0x00); + } else { + /* + * Enable all interrupts - not obvious USB needs to do this + */ + rtl8xxxu_write32(priv, REG_HISR, 0xffffffff); + rtl8xxxu_write32(priv, REG_HIMR, 0xffffffff); + } + + rtl8xxxu_set_mac(priv); + rtl8xxxu_set_linktype(priv, NL80211_IFTYPE_STATION); + + /* + * Configure initial WMAC settings + */ + val32 = RCR_ACCEPT_PHYS_MATCH | RCR_ACCEPT_MCAST | RCR_ACCEPT_BCAST | + RCR_ACCEPT_MGMT_FRAME | RCR_HTC_LOC_CTRL | + RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC; + rtl8xxxu_write32(priv, REG_RCR, val32); + + /* + * Accept all multicast + */ + rtl8xxxu_write32(priv, REG_MAR, 0xffffffff); + rtl8xxxu_write32(priv, REG_MAR + 4, 0xffffffff); + + /* + * Init adaptive controls + */ + val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); + val32 &= ~RESPONSE_RATE_BITMAP_ALL; + val32 |= RESPONSE_RATE_RRSR_CCK_ONLY_1M; + rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); + + /* CCK = 0x0a, OFDM = 0x10 */ + rtl8xxxu_set_spec_sifs(priv, 0x10, 0x10); + rtl8xxxu_set_retry(priv, 0x30, 0x30); + rtl8xxxu_set_spec_sifs(priv, 0x0a, 0x10); + + /* + * Init EDCA + */ + rtl8xxxu_write16(priv, REG_MAC_SPEC_SIFS, 0x100a); + + /* Set CCK SIFS */ + rtl8xxxu_write16(priv, REG_SIFS_CCK, 0x100a); + + /* Set OFDM SIFS */ + rtl8xxxu_write16(priv, REG_SIFS_OFDM, 0x100a); + + /* TXOP */ + rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, 0x005ea42b); + rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, 0x0000a44f); + rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, 0x005ea324); + rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, 0x002fa226); + + /* Set data auto rate fallback retry count */ + rtl8xxxu_write32(priv, REG_DARFRC, 0x00000000); + rtl8xxxu_write32(priv, REG_DARFRC + 4, 0x10080404); + rtl8xxxu_write32(priv, REG_RARFRC, 0x04030201); + rtl8xxxu_write32(priv, REG_RARFRC + 4, 0x08070605); + + val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL); + val8 |= FWHW_TXQ_CTRL_AMPDU_RETRY; + rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, val8); + + /* Set ACK timeout */ + rtl8xxxu_write8(priv, REG_ACKTO, 0x40); + + /* + * Initialize beacon parameters + */ + val16 = BEACON_DISABLE_TSF_UPDATE | (BEACON_DISABLE_TSF_UPDATE << 8); + rtl8xxxu_write16(priv, REG_BEACON_CTRL, val16); + rtl8xxxu_write16(priv, REG_TBTT_PROHIBIT, 0x6404); + rtl8xxxu_write8(priv, REG_DRIVER_EARLY_INT, DRIVER_EARLY_INT_TIME); + rtl8xxxu_write8(priv, REG_BEACON_DMA_TIME, BEACON_DMA_ATIME_INT_TIME); + rtl8xxxu_write16(priv, REG_BEACON_TCFG, 0x660F); + + /* + * Initialize burst parameters + */ + if (priv->rtl_chip == RTL8723B) { + /* + * For USB high speed set 512B packets + */ + val8 = rtl8xxxu_read8(priv, REG_RXDMA_PRO_8723B); + val8 &= ~(BIT(4) | BIT(5)); + val8 |= BIT(4); + val8 |= BIT(1) | BIT(2) | BIT(3); + rtl8xxxu_write8(priv, REG_RXDMA_PRO_8723B, val8); + + /* + * For USB high speed set 512B packets + */ + val8 = rtl8xxxu_read8(priv, REG_HT_SINGLE_AMPDU_8723B); + val8 |= BIT(7); + rtl8xxxu_write8(priv, REG_HT_SINGLE_AMPDU_8723B, val8); + + rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, 0x0c14); + rtl8xxxu_write8(priv, REG_AMPDU_MAX_TIME_8723B, 0x5e); + rtl8xxxu_write32(priv, REG_AGGLEN_LMT, 0xffffffff); + rtl8xxxu_write8(priv, REG_RX_PKT_LIMIT, 0x18); + rtl8xxxu_write8(priv, REG_PIFS, 0x00); + rtl8xxxu_write8(priv, REG_USTIME_TSF_8723B, 0x50); + rtl8xxxu_write8(priv, REG_USTIME_EDCA, 0x50); + + val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); + val8 |= BIT(5) | BIT(6); + rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); + } + + if (fops->init_aggregation) + fops->init_aggregation(priv); + + /* + * Enable CCK and OFDM block + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= (FPGA_RF_MODE_CCK | FPGA_RF_MODE_OFDM); + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + /* + * Invalidate all CAM entries - bit 30 is undocumented + */ + rtl8xxxu_write32(priv, REG_CAM_CMD, CAM_CMD_POLLING | BIT(30)); + + /* + * Start out with default power levels for channel 6, 20MHz + */ + fops->set_tx_power(priv, 1, false); + + /* Let the 8051 take control of antenna setting */ + if (priv->rtl_chip != RTL8192E) { + val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); + val8 |= LEDCFG2_DPDT_SELECT; + rtl8xxxu_write8(priv, REG_LEDCFG2, val8); + } + + rtl8xxxu_write8(priv, REG_HWSEQ_CTRL, 0xff); + + /* Disable BAR - not sure if this has any effect on USB */ + rtl8xxxu_write32(priv, REG_BAR_MODE_CTRL, 0x0201ffff); + + rtl8xxxu_write16(priv, REG_FAST_EDCA_CTRL, 0); + + if (fops->init_statistics) + fops->init_statistics(priv); + + if (priv->rtl_chip == RTL8192E) { + /* + * 0x4c6[3] 1: RTS BW = Data BW + * 0: RTS BW depends on CCA / secondary CCA result. + */ + val8 = rtl8xxxu_read8(priv, REG_QUEUE_CTRL); + val8 &= ~BIT(3); + rtl8xxxu_write8(priv, REG_QUEUE_CTRL, val8); + /* + * Reset USB mode switch setting + */ + rtl8xxxu_write8(priv, REG_ACLK_MON, 0x00); + } + + rtl8723a_phy_lc_calibrate(priv); + + fops->phy_iq_calibrate(priv); + + /* + * This should enable thermal meter + */ + if (fops->gen2_thermal_meter) + rtl8xxxu_write_rfreg(priv, + RF_A, RF6052_REG_T_METER_8723B, 0x37cf8); + else + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER, 0x60); + + /* Set NAV_UPPER to 30000us */ + val8 = ((30000 + NAV_UPPER_UNIT - 1) / NAV_UPPER_UNIT); + rtl8xxxu_write8(priv, REG_NAV_UPPER, val8); + + if (priv->rtl_chip == RTL8723A) { + /* + * 2011/03/09 MH debug only, UMC-B cut pass 2500 S5 test, + * but we need to find root cause. + * This is 8723au only. + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + if ((val32 & 0xff000000) != 0x83000000) { + val32 |= FPGA_RF_MODE_CCK; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + } + } else if (priv->rtl_chip == RTL8192E) { + rtl8xxxu_write8(priv, REG_USB_HRPWM, 0x00); + } + + val32 = rtl8xxxu_read32(priv, REG_FWHW_TXQ_CTRL); + val32 |= FWHW_TXQ_CTRL_XMIT_MGMT_ACK; + /* ack for xmit mgmt frames. */ + rtl8xxxu_write32(priv, REG_FWHW_TXQ_CTRL, val32); + + if (priv->rtl_chip == RTL8192E) { + /* + * Fix LDPC rx hang issue. + */ + val32 = rtl8xxxu_read32(priv, REG_AFE_MISC); + rtl8xxxu_write8(priv, REG_8192E_LDOV12_CTRL, 0x75); + val32 &= 0xfff00fff; + val32 |= 0x0007e000; + rtl8xxxu_write32(priv, REG_AFE_MISC, val32); + } +exit: + return ret; +} + +static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv, + struct ieee80211_key_conf *key, const u8 *mac) +{ + u32 cmd, val32, addr, ctrl; + int j, i, tmp_debug; + + tmp_debug = rtl8xxxu_debug; + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_KEY) + rtl8xxxu_debug |= RTL8XXXU_DEBUG_REG_WRITE; + + /* + * This is a bit of a hack - the lower bits of the cipher + * suite selector happens to match the cipher index in the CAM + */ + addr = key->keyidx << CAM_CMD_KEY_SHIFT; + ctrl = (key->cipher & 0x0f) << 2 | key->keyidx | CAM_WRITE_VALID; + + for (j = 5; j >= 0; j--) { + switch (j) { + case 0: + val32 = ctrl | (mac[0] << 16) | (mac[1] << 24); + break; + case 1: + val32 = mac[2] | (mac[3] << 8) | + (mac[4] << 16) | (mac[5] << 24); + break; + default: + i = (j - 2) << 2; + val32 = key->key[i] | (key->key[i + 1] << 8) | + key->key[i + 2] << 16 | key->key[i + 3] << 24; + break; + } + + rtl8xxxu_write32(priv, REG_CAM_WRITE, val32); + cmd = CAM_CMD_POLLING | CAM_CMD_WRITE | (addr + j); + rtl8xxxu_write32(priv, REG_CAM_CMD, cmd); + udelay(100); + } + + rtl8xxxu_debug = tmp_debug; +} + +static void rtl8xxxu_sw_scan_start(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, const u8 *mac) +{ + struct rtl8xxxu_priv *priv = hw->priv; + u8 val8; + + val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); + val8 |= BEACON_DISABLE_TSF_UPDATE; + rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); +} + +static void rtl8xxxu_sw_scan_complete(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rtl8xxxu_priv *priv = hw->priv; + u8 val8; + + val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); + val8 &= ~BEACON_DISABLE_TSF_UPDATE; + rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); +} + +void rtl8xxxu_update_rate_mask(struct rtl8xxxu_priv *priv, u32 ramask, int sgi) +{ + struct h2c_cmd h2c; + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + + h2c.ramask.cmd = H2C_SET_RATE_MASK; + h2c.ramask.mask_lo = cpu_to_le16(ramask & 0xffff); + h2c.ramask.mask_hi = cpu_to_le16(ramask >> 16); + + h2c.ramask.arg = 0x80; + if (sgi) + h2c.ramask.arg |= 0x20; + + dev_dbg(&priv->udev->dev, "%s: rate mask %08x, arg %02x, size %zi\n", + __func__, ramask, h2c.ramask.arg, sizeof(h2c.ramask)); + rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.ramask)); +} + +void rtl8xxxu_gen2_update_rate_mask(struct rtl8xxxu_priv *priv, + u32 ramask, int sgi) +{ + struct h2c_cmd h2c; + u8 bw = 0; + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + + h2c.b_macid_cfg.cmd = H2C_8723B_MACID_CFG_RAID; + h2c.b_macid_cfg.ramask0 = ramask & 0xff; + h2c.b_macid_cfg.ramask1 = (ramask >> 8) & 0xff; + h2c.b_macid_cfg.ramask2 = (ramask >> 16) & 0xff; + h2c.b_macid_cfg.ramask3 = (ramask >> 24) & 0xff; + + h2c.ramask.arg = 0x80; + h2c.b_macid_cfg.data1 = 0; + if (sgi) + h2c.b_macid_cfg.data1 |= BIT(7); + + h2c.b_macid_cfg.data2 = bw; + + dev_dbg(&priv->udev->dev, "%s: rate mask %08x, arg %02x, size %zi\n", + __func__, ramask, h2c.ramask.arg, sizeof(h2c.b_macid_cfg)); + rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_macid_cfg)); +} + +void rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv *priv, + u8 macid, bool connect) +{ + struct h2c_cmd h2c; + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + + h2c.joinbss.cmd = H2C_JOIN_BSS_REPORT; + + if (connect) + h2c.joinbss.data = H2C_JOIN_BSS_CONNECT; + else + h2c.joinbss.data = H2C_JOIN_BSS_DISCONNECT; + + rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.joinbss)); +} + +void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv, + u8 macid, bool connect) +{ +#ifdef RTL8XXXU_GEN2_REPORT_CONNECT + /* + * Barry Day reports this causes issues with 8192eu and 8723bu + * devices reconnecting. The reason for this is unclear, but + * until it is better understood, leave the code in place but + * disabled, so it is not lost. + */ + struct h2c_cmd h2c; + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + + h2c.media_status_rpt.cmd = H2C_8723B_MEDIA_STATUS_RPT; + if (connect) + h2c.media_status_rpt.parm |= BIT(0); + else + h2c.media_status_rpt.parm &= ~BIT(0); + + rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt)); +#endif +} + +void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv) +{ + u8 agg_ctrl, usb_spec, page_thresh, timeout; + + usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION); + usb_spec &= ~USB_SPEC_USB_AGG_ENABLE; + rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec); + + agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); + agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; + + if (!rtl8xxxu_dma_aggregation) { + rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); + return; + } + + agg_ctrl |= TRXDMA_CTRL_RXDMA_AGG_EN; + rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); + + /* + * The number of packets we can take looks to be buffer size / 512 + * which matches the 512 byte rounding we have to do when de-muxing + * the packets. + * + * Sample numbers from the vendor driver: + * USB High-Speed mode values: + * RxAggBlockCount = 8 : 512 byte unit + * RxAggBlockTimeout = 6 + * RxAggPageCount = 48 : 128 byte unit + * RxAggPageTimeout = 4 or 6 (absolute time 34ms/(2^6)) + */ + + page_thresh = (priv->fops->rx_agg_buf_size / 512); + if (rtl8xxxu_dma_agg_pages >= 0) { + if (rtl8xxxu_dma_agg_pages <= page_thresh) + timeout = page_thresh; + else if (rtl8xxxu_dma_agg_pages <= 6) + dev_err(&priv->udev->dev, + "%s: dma_agg_pages=%i too small, minium is 6\n", + __func__, rtl8xxxu_dma_agg_pages); + else + dev_err(&priv->udev->dev, + "%s: dma_agg_pages=%i larger than limit %i\n", + __func__, rtl8xxxu_dma_agg_pages, page_thresh); + } + rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH, page_thresh); + /* + * REG_RXDMA_AGG_PG_TH + 1 seems to be the timeout register on + * gen2 chips and rtl8188eu. The rtl8723au seems unhappy if we + * don't set it, so better set both. + */ + timeout = 4; + + if (rtl8xxxu_dma_agg_timeout >= 0) { + if (rtl8xxxu_dma_agg_timeout <= 127) + timeout = rtl8xxxu_dma_agg_timeout; + else + dev_err(&priv->udev->dev, + "%s: Invalid dma_agg_timeout: %i\n", + __func__, rtl8xxxu_dma_agg_timeout); + } + + rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH + 1, timeout); + rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, timeout); + priv->rx_buf_aggregation = 1; +} + +static void rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv *priv, u32 rate_cfg) +{ + u32 val32; + u8 rate_idx = 0; + + rate_cfg &= RESPONSE_RATE_BITMAP_ALL; + + val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); + val32 &= ~RESPONSE_RATE_BITMAP_ALL; + val32 |= rate_cfg; + rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); + + dev_dbg(&priv->udev->dev, "%s: rates %08x\n", __func__, rate_cfg); + + while (rate_cfg) { + rate_cfg = (rate_cfg >> 1); + rate_idx++; + } + rtl8xxxu_write8(priv, REG_INIRTS_RATE_SEL, rate_idx); +} + +static void +rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, u32 changed) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + struct ieee80211_sta *sta; + u32 val32; + u8 val8; + + if (changed & BSS_CHANGED_ASSOC) { + dev_dbg(dev, "Changed ASSOC: %i!\n", bss_conf->assoc); + + rtl8xxxu_set_linktype(priv, vif->type); + + if (bss_conf->assoc) { + u32 ramask; + int sgi = 0; + + rcu_read_lock(); + sta = ieee80211_find_sta(vif, bss_conf->bssid); + if (!sta) { + dev_info(dev, "%s: ASSOC no sta found\n", + __func__); + rcu_read_unlock(); + goto error; + } + + if (sta->ht_cap.ht_supported) + dev_info(dev, "%s: HT supported\n", __func__); + if (sta->vht_cap.vht_supported) + dev_info(dev, "%s: VHT supported\n", __func__); + + /* TODO: Set bits 28-31 for rate adaptive id */ + ramask = (sta->supp_rates[0] & 0xfff) | + sta->ht_cap.mcs.rx_mask[0] << 12 | + sta->ht_cap.mcs.rx_mask[1] << 20; + if (sta->ht_cap.cap & + (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) + sgi = 1; + rcu_read_unlock(); + + priv->fops->update_rate_mask(priv, ramask, sgi); + + rtl8xxxu_write8(priv, REG_BCN_MAX_ERR, 0xff); + + rtl8xxxu_stop_tx_beacon(priv); + + /* joinbss sequence */ + rtl8xxxu_write16(priv, REG_BCN_PSR_RPT, + 0xc000 | bss_conf->aid); + + priv->fops->report_connect(priv, 0, true); + } else { + val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); + val8 |= BEACON_DISABLE_TSF_UPDATE; + rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); + + priv->fops->report_connect(priv, 0, false); + } + } + + if (changed & BSS_CHANGED_ERP_PREAMBLE) { + dev_dbg(dev, "Changed ERP_PREAMBLE: Use short preamble %i\n", + bss_conf->use_short_preamble); + val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); + if (bss_conf->use_short_preamble) + val32 |= RSR_ACK_SHORT_PREAMBLE; + else + val32 &= ~RSR_ACK_SHORT_PREAMBLE; + rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); + } + + if (changed & BSS_CHANGED_ERP_SLOT) { + dev_dbg(dev, "Changed ERP_SLOT: short_slot_time %i\n", + bss_conf->use_short_slot); + + if (bss_conf->use_short_slot) + val8 = 9; + else + val8 = 20; + rtl8xxxu_write8(priv, REG_SLOT, val8); + } + + if (changed & BSS_CHANGED_BSSID) { + dev_dbg(dev, "Changed BSSID!\n"); + rtl8xxxu_set_bssid(priv, bss_conf->bssid); + } + + if (changed & BSS_CHANGED_BASIC_RATES) { + dev_dbg(dev, "Changed BASIC_RATES!\n"); + rtl8xxxu_set_basic_rates(priv, bss_conf->basic_rates); + } +error: + return; +} + +static u32 rtl8xxxu_80211_to_rtl_queue(u32 queue) +{ + u32 rtlqueue; + + switch (queue) { + case IEEE80211_AC_VO: + rtlqueue = TXDESC_QUEUE_VO; + break; + case IEEE80211_AC_VI: + rtlqueue = TXDESC_QUEUE_VI; + break; + case IEEE80211_AC_BE: + rtlqueue = TXDESC_QUEUE_BE; + break; + case IEEE80211_AC_BK: + rtlqueue = TXDESC_QUEUE_BK; + break; + default: + rtlqueue = TXDESC_QUEUE_BE; + } + + return rtlqueue; +} + +static u32 rtl8xxxu_queue_select(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + u32 queue; + + if (ieee80211_is_mgmt(hdr->frame_control)) + queue = TXDESC_QUEUE_MGNT; + else + queue = rtl8xxxu_80211_to_rtl_queue(skb_get_queue_mapping(skb)); + + return queue; +} + +/* + * Despite newer chips 8723b/8812/8821 having a larger TX descriptor + * format. The descriptor checksum is still only calculated over the + * initial 32 bytes of the descriptor! + */ +static void rtl8xxxu_calc_tx_desc_csum(struct rtl8xxxu_txdesc32 *tx_desc) +{ + __le16 *ptr = (__le16 *)tx_desc; + u16 csum = 0; + int i; + + /* + * Clear csum field before calculation, as the csum field is + * in the middle of the struct. + */ + tx_desc->csum = cpu_to_le16(0); + + for (i = 0; i < (sizeof(struct rtl8xxxu_txdesc32) / sizeof(u16)); i++) + csum = csum ^ le16_to_cpu(ptr[i]); + + tx_desc->csum |= cpu_to_le16(csum); +} + +static void rtl8xxxu_free_tx_resources(struct rtl8xxxu_priv *priv) +{ + struct rtl8xxxu_tx_urb *tx_urb, *tmp; + unsigned long flags; + + spin_lock_irqsave(&priv->tx_urb_lock, flags); + list_for_each_entry_safe(tx_urb, tmp, &priv->tx_urb_free_list, list) { + list_del(&tx_urb->list); + priv->tx_urb_free_count--; + usb_free_urb(&tx_urb->urb); + } + spin_unlock_irqrestore(&priv->tx_urb_lock, flags); +} + +static struct rtl8xxxu_tx_urb * +rtl8xxxu_alloc_tx_urb(struct rtl8xxxu_priv *priv) +{ + struct rtl8xxxu_tx_urb *tx_urb; + unsigned long flags; + + spin_lock_irqsave(&priv->tx_urb_lock, flags); + tx_urb = list_first_entry_or_null(&priv->tx_urb_free_list, + struct rtl8xxxu_tx_urb, list); + if (tx_urb) { + list_del(&tx_urb->list); + priv->tx_urb_free_count--; + if (priv->tx_urb_free_count < RTL8XXXU_TX_URB_LOW_WATER && + !priv->tx_stopped) { + priv->tx_stopped = true; + ieee80211_stop_queues(priv->hw); + } + } + + spin_unlock_irqrestore(&priv->tx_urb_lock, flags); + + return tx_urb; +} + +static void rtl8xxxu_free_tx_urb(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_tx_urb *tx_urb) +{ + unsigned long flags; + + INIT_LIST_HEAD(&tx_urb->list); + + spin_lock_irqsave(&priv->tx_urb_lock, flags); + + list_add(&tx_urb->list, &priv->tx_urb_free_list); + priv->tx_urb_free_count++; + if (priv->tx_urb_free_count > RTL8XXXU_TX_URB_HIGH_WATER && + priv->tx_stopped) { + priv->tx_stopped = false; + ieee80211_wake_queues(priv->hw); + } + + spin_unlock_irqrestore(&priv->tx_urb_lock, flags); +} + +static void rtl8xxxu_tx_complete(struct urb *urb) +{ + struct sk_buff *skb = (struct sk_buff *)urb->context; + struct ieee80211_tx_info *tx_info; + struct ieee80211_hw *hw; + struct rtl8xxxu_priv *priv; + struct rtl8xxxu_tx_urb *tx_urb = + container_of(urb, struct rtl8xxxu_tx_urb, urb); + + tx_info = IEEE80211_SKB_CB(skb); + hw = tx_info->rate_driver_data[0]; + priv = hw->priv; + + skb_pull(skb, priv->fops->tx_desc_size); + + ieee80211_tx_info_clear_status(tx_info); + tx_info->status.rates[0].idx = -1; + tx_info->status.rates[0].count = 0; + + if (!urb->status) + tx_info->flags |= IEEE80211_TX_STAT_ACK; + + ieee80211_tx_status_irqsafe(hw, skb); + + rtl8xxxu_free_tx_urb(priv, tx_urb); +} + +static void rtl8xxxu_dump_action(struct device *dev, + struct ieee80211_hdr *hdr) +{ + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)hdr; + u16 cap, timeout; + + if (!(rtl8xxxu_debug & RTL8XXXU_DEBUG_ACTION)) + return; + + switch (mgmt->u.action.u.addba_resp.action_code) { + case WLAN_ACTION_ADDBA_RESP: + cap = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); + timeout = le16_to_cpu(mgmt->u.action.u.addba_resp.timeout); + dev_info(dev, "WLAN_ACTION_ADDBA_RESP: " + "timeout %i, tid %02x, buf_size %02x, policy %02x, " + "status %02x\n", + timeout, + (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2, + (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6, + (cap >> 1) & 0x1, + le16_to_cpu(mgmt->u.action.u.addba_resp.status)); + break; + case WLAN_ACTION_ADDBA_REQ: + cap = le16_to_cpu(mgmt->u.action.u.addba_req.capab); + timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout); + dev_info(dev, "WLAN_ACTION_ADDBA_REQ: " + "timeout %i, tid %02x, buf_size %02x, policy %02x\n", + timeout, + (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2, + (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6, + (cap >> 1) & 0x1); + break; + default: + dev_info(dev, "action frame %02x\n", + mgmt->u.action.u.addba_resp.action_code); + break; + } +} + +/* + * Fill in v1 (gen1) specific TX descriptor bits. + * This format is used on 8188cu/8192cu/8723au + */ +void +rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, + struct ieee80211_tx_info *tx_info, + struct rtl8xxxu_txdesc32 *tx_desc, bool sgi, + bool short_preamble, bool ampdu_enable, u32 rts_rate) +{ + struct ieee80211_rate *tx_rate = ieee80211_get_tx_rate(hw, tx_info); + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + u32 rate; + u16 rate_flags = tx_info->control.rates[0].flags; + u16 seq_number; + + if (rate_flags & IEEE80211_TX_RC_MCS && + !ieee80211_is_mgmt(hdr->frame_control)) + rate = tx_info->control.rates[0].idx + DESC_RATE_MCS0; + else + rate = tx_rate->hw_value; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) + dev_info(dev, "%s: TX rate: %d, pkt size %d\n", + __func__, rate, cpu_to_le16(tx_desc->pkt_size)); + + seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); + + tx_desc->txdw5 = cpu_to_le32(rate); + + if (ieee80211_is_data(hdr->frame_control)) + tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); + + tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT); + + if (ampdu_enable) + tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_ENABLE); + else + tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_BREAK); + + if (ieee80211_is_mgmt(hdr->frame_control)) { + tx_desc->txdw5 = cpu_to_le32(rate); + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); + tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT); + tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE); + } + + if (ieee80211_is_data_qos(hdr->frame_control)) + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS); + + if (short_preamble) + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE); + + if (sgi) + tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); + + /* + * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled + */ + tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); + if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) { + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); + } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); + tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); + } +} + +/* + * Fill in v2 (gen2) specific TX descriptor bits. + * This format is used on 8192eu/8723bu + */ +void +rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, + struct ieee80211_tx_info *tx_info, + struct rtl8xxxu_txdesc32 *tx_desc32, bool sgi, + bool short_preamble, bool ampdu_enable, u32 rts_rate) +{ + struct ieee80211_rate *tx_rate = ieee80211_get_tx_rate(hw, tx_info); + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + struct rtl8xxxu_txdesc40 *tx_desc40; + u32 rate; + u16 rate_flags = tx_info->control.rates[0].flags; + u16 seq_number; + + tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32; + + if (rate_flags & IEEE80211_TX_RC_MCS && + !ieee80211_is_mgmt(hdr->frame_control)) + rate = tx_info->control.rates[0].idx + DESC_RATE_MCS0; + else + rate = tx_rate->hw_value; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) + dev_info(dev, "%s: TX rate: %d, pkt size %d\n", + __func__, rate, cpu_to_le16(tx_desc40->pkt_size)); + + seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); + + tx_desc40->txdw4 = cpu_to_le32(rate); + if (ieee80211_is_data(hdr->frame_control)) { + tx_desc40->txdw4 |= cpu_to_le32(0x1f << + TXDESC40_DATA_RATE_FB_SHIFT); + } + + tx_desc40->txdw9 = cpu_to_le32((u32)seq_number << TXDESC40_SEQ_SHIFT); + + if (ampdu_enable) + tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE); + else + tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK); + + if (ieee80211_is_mgmt(hdr->frame_control)) { + tx_desc40->txdw4 = cpu_to_le32(rate); + tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_USE_DRIVER_RATE); + tx_desc40->txdw4 |= + cpu_to_le32(6 << TXDESC40_RETRY_LIMIT_SHIFT); + tx_desc40->txdw4 |= cpu_to_le32(TXDESC40_RETRY_LIMIT_ENABLE); + } + + if (short_preamble) + tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE); + + tx_desc40->txdw4 |= cpu_to_le32(rts_rate << TXDESC40_RTS_RATE_SHIFT); + /* + * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled + */ + if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) { + tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_RTS_CTS_ENABLE); + tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_HW_RTS_ENABLE); + } else if (rate_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { + /* + * For some reason the vendor driver doesn't set + * TXDESC40_HW_RTS_ENABLE for CTS to SELF + */ + tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_CTS_SELF_ENABLE); + } +} + +static void rtl8xxxu_tx(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct rtl8xxxu_priv *priv = hw->priv; + struct rtl8xxxu_txdesc32 *tx_desc; + struct rtl8xxxu_tx_urb *tx_urb; + struct ieee80211_sta *sta = NULL; + struct ieee80211_vif *vif = tx_info->control.vif; + struct device *dev = &priv->udev->dev; + u32 queue, rts_rate; + u16 pktlen = skb->len; + u16 seq_number; + u16 rate_flag = tx_info->control.rates[0].flags; + int tx_desc_size = priv->fops->tx_desc_size; + int ret; + bool usedesc40, ampdu_enable, sgi = false, short_preamble = false; + + if (skb_headroom(skb) < tx_desc_size) { + dev_warn(dev, + "%s: Not enough headroom (%i) for tx descriptor\n", + __func__, skb_headroom(skb)); + goto error; + } + + if (unlikely(skb->len > (65535 - tx_desc_size))) { + dev_warn(dev, "%s: Trying to send over-sized skb (%i)\n", + __func__, skb->len); + goto error; + } + + tx_urb = rtl8xxxu_alloc_tx_urb(priv); + if (!tx_urb) { + dev_warn(dev, "%s: Unable to allocate tx urb\n", __func__); + goto error; + } + + if (ieee80211_is_action(hdr->frame_control)) + rtl8xxxu_dump_action(dev, hdr); + + usedesc40 = (tx_desc_size == 40); + tx_info->rate_driver_data[0] = hw; + + if (control && control->sta) + sta = control->sta; + + tx_desc = (struct rtl8xxxu_txdesc32 *)skb_push(skb, tx_desc_size); + + memset(tx_desc, 0, tx_desc_size); + tx_desc->pkt_size = cpu_to_le16(pktlen); + tx_desc->pkt_offset = tx_desc_size; + + tx_desc->txdw0 = + TXDESC_OWN | TXDESC_FIRST_SEGMENT | TXDESC_LAST_SEGMENT; + if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || + is_broadcast_ether_addr(ieee80211_get_DA(hdr))) + tx_desc->txdw0 |= TXDESC_BROADMULTICAST; + + queue = rtl8xxxu_queue_select(hw, skb); + tx_desc->txdw1 = cpu_to_le32(queue << TXDESC_QUEUE_SHIFT); + + if (tx_info->control.hw_key) { + switch (tx_info->control.hw_key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + case WLAN_CIPHER_SUITE_TKIP: + tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_RC4); + break; + case WLAN_CIPHER_SUITE_CCMP: + tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_AES); + break; + default: + break; + } + } + + /* (tx_info->flags & IEEE80211_TX_CTL_AMPDU) && */ + ampdu_enable = false; + if (ieee80211_is_data_qos(hdr->frame_control) && sta) { + if (sta->ht_cap.ht_supported) { + u32 ampdu, val32; + + ampdu = (u32)sta->ht_cap.ampdu_density; + val32 = ampdu << TXDESC_AMPDU_DENSITY_SHIFT; + tx_desc->txdw2 |= cpu_to_le32(val32); + + ampdu_enable = true; + } + } + + if (rate_flag & IEEE80211_TX_RC_SHORT_GI || + (ieee80211_is_data_qos(hdr->frame_control) && + sta && sta->ht_cap.cap & + (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20))) + sgi = true; + + if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE || + (sta && vif && vif->bss_conf.use_short_preamble)) + short_preamble = true; + + if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) + rts_rate = ieee80211_get_rts_cts_rate(hw, tx_info)->hw_value; + else if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) + rts_rate = ieee80211_get_rts_cts_rate(hw, tx_info)->hw_value; + else + rts_rate = 0; + + seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); + + priv->fops->fill_txdesc(hw, hdr, tx_info, tx_desc, sgi, short_preamble, + ampdu_enable, rts_rate); + + rtl8xxxu_calc_tx_desc_csum(tx_desc); + + usb_fill_bulk_urb(&tx_urb->urb, priv->udev, priv->pipe_out[queue], + skb->data, skb->len, rtl8xxxu_tx_complete, skb); + + usb_anchor_urb(&tx_urb->urb, &priv->tx_anchor); + ret = usb_submit_urb(&tx_urb->urb, GFP_ATOMIC); + if (ret) { + usb_unanchor_urb(&tx_urb->urb); + rtl8xxxu_free_tx_urb(priv, tx_urb); + goto error; + } + return; +error: + dev_kfree_skb(skb); +} + +static void rtl8xxxu_rx_parse_phystats(struct rtl8xxxu_priv *priv, + struct ieee80211_rx_status *rx_status, + struct rtl8723au_phy_stats *phy_stats, + u32 rxmcs) +{ + if (phy_stats->sgi_en) + rx_status->flag |= RX_FLAG_SHORT_GI; + + if (rxmcs < DESC_RATE_6M) { + /* + * Handle PHY stats for CCK rates + */ + u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a; + + switch (cck_agc_rpt & 0xc0) { + case 0xc0: + rx_status->signal = -46 - (cck_agc_rpt & 0x3e); + break; + case 0x80: + rx_status->signal = -26 - (cck_agc_rpt & 0x3e); + break; + case 0x40: + rx_status->signal = -12 - (cck_agc_rpt & 0x3e); + break; + case 0x00: + rx_status->signal = 16 - (cck_agc_rpt & 0x3e); + break; + } + } else { + rx_status->signal = + (phy_stats->cck_sig_qual_ofdm_pwdb_all >> 1) - 110; + } +} + +static void rtl8xxxu_free_rx_resources(struct rtl8xxxu_priv *priv) +{ + struct rtl8xxxu_rx_urb *rx_urb, *tmp; + unsigned long flags; + + spin_lock_irqsave(&priv->rx_urb_lock, flags); + + list_for_each_entry_safe(rx_urb, tmp, + &priv->rx_urb_pending_list, list) { + list_del(&rx_urb->list); + priv->rx_urb_pending_count--; + usb_free_urb(&rx_urb->urb); + } + + spin_unlock_irqrestore(&priv->rx_urb_lock, flags); +} + +static void rtl8xxxu_queue_rx_urb(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_rx_urb *rx_urb) +{ + struct sk_buff *skb; + unsigned long flags; + int pending = 0; + + spin_lock_irqsave(&priv->rx_urb_lock, flags); + + if (!priv->shutdown) { + list_add_tail(&rx_urb->list, &priv->rx_urb_pending_list); + priv->rx_urb_pending_count++; + pending = priv->rx_urb_pending_count; + } else { + skb = (struct sk_buff *)rx_urb->urb.context; + dev_kfree_skb(skb); + usb_free_urb(&rx_urb->urb); + } + + spin_unlock_irqrestore(&priv->rx_urb_lock, flags); + + if (pending > RTL8XXXU_RX_URB_PENDING_WATER) + schedule_work(&priv->rx_urb_wq); +} + +static void rtl8xxxu_rx_urb_work(struct work_struct *work) +{ + struct rtl8xxxu_priv *priv; + struct rtl8xxxu_rx_urb *rx_urb, *tmp; + struct list_head local; + struct sk_buff *skb; + unsigned long flags; + int ret; + + priv = container_of(work, struct rtl8xxxu_priv, rx_urb_wq); + INIT_LIST_HEAD(&local); + + spin_lock_irqsave(&priv->rx_urb_lock, flags); + + list_splice_init(&priv->rx_urb_pending_list, &local); + priv->rx_urb_pending_count = 0; + + spin_unlock_irqrestore(&priv->rx_urb_lock, flags); + + list_for_each_entry_safe(rx_urb, tmp, &local, list) { + list_del_init(&rx_urb->list); + ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); + /* + * If out of memory or temporary error, put it back on the + * queue and try again. Otherwise the device is dead/gone + * and we should drop it. + */ + switch (ret) { + case 0: + break; + case -ENOMEM: + case -EAGAIN: + rtl8xxxu_queue_rx_urb(priv, rx_urb); + break; + default: + pr_info("failed to requeue urb %i\n", ret); + skb = (struct sk_buff *)rx_urb->urb.context; + dev_kfree_skb(skb); + usb_free_urb(&rx_urb->urb); + } + } +} + +static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv, + struct sk_buff *skb) +{ + struct rtl8723bu_c2h *c2h = (struct rtl8723bu_c2h *)skb->data; + struct device *dev = &priv->udev->dev; + int len; + + len = skb->len - 2; + + dev_dbg(dev, "C2H ID %02x seq %02x, len %02x source %02x\n", + c2h->id, c2h->seq, len, c2h->bt_info.response_source); + + switch(c2h->id) { + case C2H_8723B_BT_INFO: + if (c2h->bt_info.response_source > + BT_INFO_SRC_8723B_BT_ACTIVE_SEND) + dev_dbg(dev, "C2H_BT_INFO WiFi only firmware\n"); + else + dev_dbg(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n"); + + if (c2h->bt_info.bt_has_reset) + dev_dbg(dev, "BT has been reset\n"); + if (c2h->bt_info.tx_rx_mask) + dev_dbg(dev, "BT TRx mask\n"); + + break; + case C2H_8723B_BT_MP_INFO: + dev_dbg(dev, "C2H_MP_INFO ext ID %02x, status %02x\n", + c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status); + break; + case C2H_8723B_RA_REPORT: + dev_dbg(dev, + "C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n", + c2h->ra_report.rate, c2h->ra_report.dummy0_0, + c2h->ra_report.macid, c2h->ra_report.noisy_state); + break; + default: + dev_info(dev, "Unhandled C2H event %02x seq %02x\n", + c2h->id, c2h->seq); + print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE, + 16, 1, c2h->raw.payload, len, false); + break; + } +} + +int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb) +{ + struct ieee80211_hw *hw = priv->hw; + struct ieee80211_rx_status *rx_status; + struct rtl8xxxu_rxdesc16 *rx_desc; + struct rtl8723au_phy_stats *phy_stats; + struct sk_buff *next_skb = NULL; + __le32 *_rx_desc_le; + u32 *_rx_desc; + int drvinfo_sz, desc_shift; + int i, pkt_cnt, pkt_len, urb_len, pkt_offset; + + urb_len = skb->len; + pkt_cnt = 0; + + do { + rx_desc = (struct rtl8xxxu_rxdesc16 *)skb->data; + _rx_desc_le = (__le32 *)skb->data; + _rx_desc = (u32 *)skb->data; + + for (i = 0; + i < (sizeof(struct rtl8xxxu_rxdesc16) / sizeof(u32)); i++) + _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]); + + /* + * Only read pkt_cnt from the header if we're parsing the + * first packet + */ + if (!pkt_cnt) + pkt_cnt = rx_desc->pkt_cnt; + pkt_len = rx_desc->pktlen; + + drvinfo_sz = rx_desc->drvinfo_sz * 8; + desc_shift = rx_desc->shift; + pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift + + sizeof(struct rtl8xxxu_rxdesc16), 128); + + /* + * Only clone the skb if there's enough data at the end to + * at least cover the rx descriptor + */ + if (pkt_cnt > 1 && + urb_len > (pkt_offset + sizeof(struct rtl8xxxu_rxdesc16))) + next_skb = skb_clone(skb, GFP_ATOMIC); + + rx_status = IEEE80211_SKB_RXCB(skb); + memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); + + skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc16)); + + phy_stats = (struct rtl8723au_phy_stats *)skb->data; + + skb_pull(skb, drvinfo_sz + desc_shift); + + skb_trim(skb, pkt_len); + + if (rx_desc->phy_stats) + rtl8xxxu_rx_parse_phystats(priv, rx_status, phy_stats, + rx_desc->rxmcs); + + rx_status->mactime = rx_desc->tsfl; + rx_status->flag |= RX_FLAG_MACTIME_START; + + if (!rx_desc->swdec) + rx_status->flag |= RX_FLAG_DECRYPTED; + if (rx_desc->crc32) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + if (rx_desc->bw) + rx_status->flag |= RX_FLAG_40MHZ; + + if (rx_desc->rxht) { + rx_status->flag |= RX_FLAG_HT; + rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; + } else { + rx_status->rate_idx = rx_desc->rxmcs; + } + + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->band; + + ieee80211_rx_irqsafe(hw, skb); + + skb = next_skb; + if (skb) + skb_pull(next_skb, pkt_offset); + + pkt_cnt--; + urb_len -= pkt_offset; + } while (skb && urb_len > 0 && pkt_cnt > 0); + + return RX_TYPE_DATA_PKT; +} + +int rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv *priv, struct sk_buff *skb) +{ + struct ieee80211_hw *hw = priv->hw; + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + struct rtl8xxxu_rxdesc24 *rx_desc = + (struct rtl8xxxu_rxdesc24 *)skb->data; + struct rtl8723au_phy_stats *phy_stats; + __le32 *_rx_desc_le = (__le32 *)skb->data; + u32 *_rx_desc = (u32 *)skb->data; + int drvinfo_sz, desc_shift; + int i; + + for (i = 0; i < (sizeof(struct rtl8xxxu_rxdesc24) / sizeof(u32)); i++) + _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]); + + memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); + + skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc24)); + + phy_stats = (struct rtl8723au_phy_stats *)skb->data; + + drvinfo_sz = rx_desc->drvinfo_sz * 8; + desc_shift = rx_desc->shift; + skb_pull(skb, drvinfo_sz + desc_shift); + + if (rx_desc->rpt_sel) { + struct device *dev = &priv->udev->dev; + dev_dbg(dev, "%s: C2H packet\n", __func__); + rtl8723bu_handle_c2h(priv, skb); + dev_kfree_skb(skb); + return RX_TYPE_C2H; + } + + if (rx_desc->phy_stats) + rtl8xxxu_rx_parse_phystats(priv, rx_status, phy_stats, + rx_desc->rxmcs); + + rx_status->mactime = rx_desc->tsfl; + rx_status->flag |= RX_FLAG_MACTIME_START; + + if (!rx_desc->swdec) + rx_status->flag |= RX_FLAG_DECRYPTED; + if (rx_desc->crc32) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + if (rx_desc->bw) + rx_status->flag |= RX_FLAG_40MHZ; + + if (rx_desc->rxmcs >= DESC_RATE_MCS0) { + rx_status->flag |= RX_FLAG_HT; + rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; + } else { + rx_status->rate_idx = rx_desc->rxmcs; + } + + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->band; + + ieee80211_rx_irqsafe(hw, skb); + return RX_TYPE_DATA_PKT; +} + +static void rtl8xxxu_rx_complete(struct urb *urb) +{ + struct rtl8xxxu_rx_urb *rx_urb = + container_of(urb, struct rtl8xxxu_rx_urb, urb); + struct ieee80211_hw *hw = rx_urb->hw; + struct rtl8xxxu_priv *priv = hw->priv; + struct sk_buff *skb = (struct sk_buff *)urb->context; + struct device *dev = &priv->udev->dev; + + skb_put(skb, urb->actual_length); + + if (urb->status == 0) { + priv->fops->parse_rx_desc(priv, skb); + + skb = NULL; + rx_urb->urb.context = NULL; + rtl8xxxu_queue_rx_urb(priv, rx_urb); + } else { + dev_dbg(dev, "%s: status %i\n", __func__, urb->status); + goto cleanup; + } + return; + +cleanup: + usb_free_urb(urb); + dev_kfree_skb(skb); + return; +} + +static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_rx_urb *rx_urb) +{ + struct rtl8xxxu_fileops *fops = priv->fops; + struct sk_buff *skb; + int skb_size; + int ret, rx_desc_sz; + + rx_desc_sz = fops->rx_desc_size; + + if (priv->rx_buf_aggregation && fops->rx_agg_buf_size) { + skb_size = fops->rx_agg_buf_size; + skb_size += (rx_desc_sz + sizeof(struct rtl8723au_phy_stats)); + } else { + skb_size = IEEE80211_MAX_FRAME_LEN; + } + + skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL); + if (!skb) + return -ENOMEM; + + memset(skb->data, 0, rx_desc_sz); + usb_fill_bulk_urb(&rx_urb->urb, priv->udev, priv->pipe_in, skb->data, + skb_size, rtl8xxxu_rx_complete, skb); + usb_anchor_urb(&rx_urb->urb, &priv->rx_anchor); + ret = usb_submit_urb(&rx_urb->urb, GFP_ATOMIC); + if (ret) + usb_unanchor_urb(&rx_urb->urb); + return ret; +} + +static void rtl8xxxu_int_complete(struct urb *urb) +{ + struct rtl8xxxu_priv *priv = (struct rtl8xxxu_priv *)urb->context; + struct device *dev = &priv->udev->dev; + int ret; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_INTERRUPT) + dev_dbg(dev, "%s: status %i\n", __func__, urb->status); + if (urb->status == 0) { + usb_anchor_urb(urb, &priv->int_anchor); + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) + usb_unanchor_urb(urb); + } else { + dev_dbg(dev, "%s: Error %i\n", __func__, urb->status); + } +} + + +static int rtl8xxxu_submit_int_urb(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct urb *urb; + u32 val32; + int ret; + + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) + return -ENOMEM; + + usb_fill_int_urb(urb, priv->udev, priv->pipe_interrupt, + priv->int_buf, USB_INTR_CONTENT_LENGTH, + rtl8xxxu_int_complete, priv, 1); + usb_anchor_urb(urb, &priv->int_anchor); + ret = usb_submit_urb(urb, GFP_KERNEL); + if (ret) { + usb_unanchor_urb(urb); + goto error; + } + + val32 = rtl8xxxu_read32(priv, REG_USB_HIMR); + val32 |= USB_HIMR_CPWM; + rtl8xxxu_write32(priv, REG_USB_HIMR, val32); + +error: + return ret; +} + +static int rtl8xxxu_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rtl8xxxu_priv *priv = hw->priv; + int ret; + u8 val8; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + rtl8xxxu_stop_tx_beacon(priv); + + val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); + val8 |= BEACON_ATIM | BEACON_FUNCTION_ENABLE | + BEACON_DISABLE_TSF_UPDATE; + rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); + ret = 0; + break; + default: + ret = -EOPNOTSUPP; + } + + rtl8xxxu_set_linktype(priv, vif->type); + + return ret; +} + +static void rtl8xxxu_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rtl8xxxu_priv *priv = hw->priv; + + dev_dbg(&priv->udev->dev, "%s\n", __func__); +} + +static int rtl8xxxu_config(struct ieee80211_hw *hw, u32 changed) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + u16 val16; + int ret = 0, channel; + bool ht40; + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL) + dev_info(dev, + "%s: channel: %i (changed %08x chandef.width %02x)\n", + __func__, hw->conf.chandef.chan->hw_value, + changed, hw->conf.chandef.width); + + if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { + val16 = ((hw->conf.long_frame_max_tx_count << + RETRY_LIMIT_LONG_SHIFT) & RETRY_LIMIT_LONG_MASK) | + ((hw->conf.short_frame_max_tx_count << + RETRY_LIMIT_SHORT_SHIFT) & RETRY_LIMIT_SHORT_MASK); + rtl8xxxu_write16(priv, REG_RETRY_LIMIT, val16); + } + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + switch (hw->conf.chandef.width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + ht40 = false; + break; + case NL80211_CHAN_WIDTH_40: + ht40 = true; + break; + default: + ret = -ENOTSUPP; + goto exit; + } + + channel = hw->conf.chandef.chan->hw_value; + + priv->fops->set_tx_power(priv, channel, ht40); + + priv->fops->config_channel(hw); + } + +exit: + return ret; +} + +static int rtl8xxxu_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, u16 queue, + const struct ieee80211_tx_queue_params *param) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + u32 val32; + u8 aifs, acm_ctrl, acm_bit; + + aifs = param->aifs; + + val32 = aifs | + fls(param->cw_min) << EDCA_PARAM_ECW_MIN_SHIFT | + fls(param->cw_max) << EDCA_PARAM_ECW_MAX_SHIFT | + (u32)param->txop << EDCA_PARAM_TXOP_SHIFT; + + acm_ctrl = rtl8xxxu_read8(priv, REG_ACM_HW_CTRL); + dev_dbg(dev, + "%s: IEEE80211 queue %02x val %08x, acm %i, acm_ctrl %02x\n", + __func__, queue, val32, param->acm, acm_ctrl); + + switch (queue) { + case IEEE80211_AC_VO: + acm_bit = ACM_HW_CTRL_VO; + rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, val32); + break; + case IEEE80211_AC_VI: + acm_bit = ACM_HW_CTRL_VI; + rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, val32); + break; + case IEEE80211_AC_BE: + acm_bit = ACM_HW_CTRL_BE; + rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, val32); + break; + case IEEE80211_AC_BK: + acm_bit = ACM_HW_CTRL_BK; + rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, val32); + break; + default: + acm_bit = 0; + break; + } + + if (param->acm) + acm_ctrl |= acm_bit; + else + acm_ctrl &= ~acm_bit; + rtl8xxxu_write8(priv, REG_ACM_HW_CTRL, acm_ctrl); + + return 0; +} + +static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, u64 multicast) +{ + struct rtl8xxxu_priv *priv = hw->priv; + u32 rcr = rtl8xxxu_read32(priv, REG_RCR); + + dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n", + __func__, changed_flags, *total_flags); + + /* + * FIF_ALLMULTI ignored as all multicast frames are accepted (REG_MAR) + */ + + if (*total_flags & FIF_FCSFAIL) + rcr |= RCR_ACCEPT_CRC32; + else + rcr &= ~RCR_ACCEPT_CRC32; + + /* + * FIF_PLCPFAIL not supported? + */ + + if (*total_flags & FIF_BCN_PRBRESP_PROMISC) + rcr &= ~RCR_CHECK_BSSID_BEACON; + else + rcr |= RCR_CHECK_BSSID_BEACON; + + if (*total_flags & FIF_CONTROL) + rcr |= RCR_ACCEPT_CTRL_FRAME; + else + rcr &= ~RCR_ACCEPT_CTRL_FRAME; + + if (*total_flags & FIF_OTHER_BSS) { + rcr |= RCR_ACCEPT_AP; + rcr &= ~RCR_CHECK_BSSID_MATCH; + } else { + rcr &= ~RCR_ACCEPT_AP; + rcr |= RCR_CHECK_BSSID_MATCH; + } + + if (*total_flags & FIF_PSPOLL) + rcr |= RCR_ACCEPT_PM; + else + rcr &= ~RCR_ACCEPT_PM; + + /* + * FIF_PROBE_REQ ignored as probe requests always seem to be accepted + */ + + rtl8xxxu_write32(priv, REG_RCR, rcr); + + *total_flags &= (FIF_ALLMULTI | FIF_FCSFAIL | FIF_BCN_PRBRESP_PROMISC | + FIF_CONTROL | FIF_OTHER_BSS | FIF_PSPOLL | + FIF_PROBE_REQ); +} + +static int rtl8xxxu_set_rts_threshold(struct ieee80211_hw *hw, u32 rts) +{ + if (rts > 2347) + return -EINVAL; + + return 0; +} + +static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + u8 mac_addr[ETH_ALEN]; + u8 val8; + u16 val16; + u32 val32; + int retval = -EOPNOTSUPP; + + dev_dbg(dev, "%s: cmd %02x, cipher %08x, index %i\n", + __func__, cmd, key->cipher, key->keyidx); + + if (vif->type != NL80211_IFTYPE_STATION) + return -EOPNOTSUPP; + + if (key->keyidx > 3) + return -EOPNOTSUPP; + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + + break; + case WLAN_CIPHER_SUITE_CCMP: + key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; + break; + case WLAN_CIPHER_SUITE_TKIP: + key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; + default: + return -EOPNOTSUPP; + } + + if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { + dev_dbg(dev, "%s: pairwise key\n", __func__); + ether_addr_copy(mac_addr, sta->addr); + } else { + dev_dbg(dev, "%s: group key\n", __func__); + eth_broadcast_addr(mac_addr); + } + + val16 = rtl8xxxu_read16(priv, REG_CR); + val16 |= CR_SECURITY_ENABLE; + rtl8xxxu_write16(priv, REG_CR, val16); + + val8 = SEC_CFG_TX_SEC_ENABLE | SEC_CFG_TXBC_USE_DEFKEY | + SEC_CFG_RX_SEC_ENABLE | SEC_CFG_RXBC_USE_DEFKEY; + val8 |= SEC_CFG_TX_USE_DEFKEY | SEC_CFG_RX_USE_DEFKEY; + rtl8xxxu_write8(priv, REG_SECURITY_CFG, val8); + + switch (cmd) { + case SET_KEY: + key->hw_key_idx = key->keyidx; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; + rtl8xxxu_cam_write(priv, key, mac_addr); + retval = 0; + break; + case DISABLE_KEY: + rtl8xxxu_write32(priv, REG_CAM_WRITE, 0x00000000); + val32 = CAM_CMD_POLLING | CAM_CMD_WRITE | + key->keyidx << CAM_CMD_KEY_SHIFT; + rtl8xxxu_write32(priv, REG_CAM_CMD, val32); + retval = 0; + break; + default: + dev_warn(dev, "%s: Unsupported command %02x\n", __func__, cmd); + } + + return retval; +} + +static int +rtl8xxxu_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct device *dev = &priv->udev->dev; + u8 ampdu_factor, ampdu_density; + struct ieee80211_sta *sta = params->sta; + enum ieee80211_ampdu_mlme_action action = params->action; + + switch (action) { + case IEEE80211_AMPDU_TX_START: + dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_START\n", __func__); + ampdu_factor = sta->ht_cap.ampdu_factor; + ampdu_density = sta->ht_cap.ampdu_density; + rtl8xxxu_set_ampdu_factor(priv, ampdu_factor); + rtl8xxxu_set_ampdu_min_space(priv, ampdu_density); + dev_dbg(dev, + "Changed HT: ampdu_factor %02x, ampdu_density %02x\n", + ampdu_factor, ampdu_density); + break; + case IEEE80211_AMPDU_TX_STOP_FLUSH: + dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_STOP_FLUSH\n", __func__); + rtl8xxxu_set_ampdu_factor(priv, 0); + rtl8xxxu_set_ampdu_min_space(priv, 0); + break; + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_STOP_FLUSH_CONT\n", + __func__); + rtl8xxxu_set_ampdu_factor(priv, 0); + rtl8xxxu_set_ampdu_min_space(priv, 0); + break; + case IEEE80211_AMPDU_RX_START: + dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_START\n", __func__); + break; + case IEEE80211_AMPDU_RX_STOP: + dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_STOP\n", __func__); + break; + default: + break; + } + return 0; +} + +static int rtl8xxxu_start(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + struct rtl8xxxu_rx_urb *rx_urb; + struct rtl8xxxu_tx_urb *tx_urb; + unsigned long flags; + int ret, i; + + ret = 0; + + init_usb_anchor(&priv->rx_anchor); + init_usb_anchor(&priv->tx_anchor); + init_usb_anchor(&priv->int_anchor); + + priv->fops->enable_rf(priv); + if (priv->usb_interrupts) { + ret = rtl8xxxu_submit_int_urb(hw); + if (ret) + goto exit; + } + + for (i = 0; i < RTL8XXXU_TX_URBS; i++) { + tx_urb = kmalloc(sizeof(struct rtl8xxxu_tx_urb), GFP_KERNEL); + if (!tx_urb) { + if (!i) + ret = -ENOMEM; + + goto error_out; + } + usb_init_urb(&tx_urb->urb); + INIT_LIST_HEAD(&tx_urb->list); + tx_urb->hw = hw; + list_add(&tx_urb->list, &priv->tx_urb_free_list); + priv->tx_urb_free_count++; + } + + priv->tx_stopped = false; + + spin_lock_irqsave(&priv->rx_urb_lock, flags); + priv->shutdown = false; + spin_unlock_irqrestore(&priv->rx_urb_lock, flags); + + for (i = 0; i < RTL8XXXU_RX_URBS; i++) { + rx_urb = kmalloc(sizeof(struct rtl8xxxu_rx_urb), GFP_KERNEL); + if (!rx_urb) { + if (!i) + ret = -ENOMEM; + + goto error_out; + } + usb_init_urb(&rx_urb->urb); + INIT_LIST_HEAD(&rx_urb->list); + rx_urb->hw = hw; + + ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); + } +exit: + /* + * Accept all data and mgmt frames + */ + rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff); + rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff); + + rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, 0x6954341e); + + return ret; + +error_out: + rtl8xxxu_free_tx_resources(priv); + /* + * Disable all data and mgmt frames + */ + rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000); + rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000); + + return ret; +} + +static void rtl8xxxu_stop(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + unsigned long flags; + + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + + rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000); + rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000); + + spin_lock_irqsave(&priv->rx_urb_lock, flags); + priv->shutdown = true; + spin_unlock_irqrestore(&priv->rx_urb_lock, flags); + + usb_kill_anchored_urbs(&priv->rx_anchor); + usb_kill_anchored_urbs(&priv->tx_anchor); + if (priv->usb_interrupts) + usb_kill_anchored_urbs(&priv->int_anchor); + + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + + priv->fops->disable_rf(priv); + + /* + * Disable interrupts + */ + if (priv->usb_interrupts) + rtl8xxxu_write32(priv, REG_USB_HIMR, 0); + + rtl8xxxu_free_rx_resources(priv); + rtl8xxxu_free_tx_resources(priv); +} + +static const struct ieee80211_ops rtl8xxxu_ops = { + .tx = rtl8xxxu_tx, + .add_interface = rtl8xxxu_add_interface, + .remove_interface = rtl8xxxu_remove_interface, + .config = rtl8xxxu_config, + .conf_tx = rtl8xxxu_conf_tx, + .bss_info_changed = rtl8xxxu_bss_info_changed, + .configure_filter = rtl8xxxu_configure_filter, + .set_rts_threshold = rtl8xxxu_set_rts_threshold, + .start = rtl8xxxu_start, + .stop = rtl8xxxu_stop, + .sw_scan_start = rtl8xxxu_sw_scan_start, + .sw_scan_complete = rtl8xxxu_sw_scan_complete, + .set_key = rtl8xxxu_set_key, + .ampdu_action = rtl8xxxu_ampdu_action, +}; + +static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv, + struct usb_interface *interface) +{ + struct usb_interface_descriptor *interface_desc; + struct usb_host_interface *host_interface; + struct usb_endpoint_descriptor *endpoint; + struct device *dev = &priv->udev->dev; + int i, j = 0, endpoints; + u8 dir, xtype, num; + int ret = 0; + + host_interface = &interface->altsetting[0]; + interface_desc = &host_interface->desc; + endpoints = interface_desc->bNumEndpoints; + + for (i = 0; i < endpoints; i++) { + endpoint = &host_interface->endpoint[i].desc; + + dir = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK; + num = usb_endpoint_num(endpoint); + xtype = usb_endpoint_type(endpoint); + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) + dev_dbg(dev, + "%s: endpoint: dir %02x, # %02x, type %02x\n", + __func__, dir, num, xtype); + if (usb_endpoint_dir_in(endpoint) && + usb_endpoint_xfer_bulk(endpoint)) { + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) + dev_dbg(dev, "%s: in endpoint num %i\n", + __func__, num); + + if (priv->pipe_in) { + dev_warn(dev, + "%s: Too many IN pipes\n", __func__); + ret = -EINVAL; + goto exit; + } + + priv->pipe_in = usb_rcvbulkpipe(priv->udev, num); + } + + if (usb_endpoint_dir_in(endpoint) && + usb_endpoint_xfer_int(endpoint)) { + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) + dev_dbg(dev, "%s: interrupt endpoint num %i\n", + __func__, num); + + if (priv->pipe_interrupt) { + dev_warn(dev, "%s: Too many INTERRUPT pipes\n", + __func__); + ret = -EINVAL; + goto exit; + } + + priv->pipe_interrupt = usb_rcvintpipe(priv->udev, num); + } + + if (usb_endpoint_dir_out(endpoint) && + usb_endpoint_xfer_bulk(endpoint)) { + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) + dev_dbg(dev, "%s: out endpoint num %i\n", + __func__, num); + if (j >= RTL8XXXU_OUT_ENDPOINTS) { + dev_warn(dev, + "%s: Too many OUT pipes\n", __func__); + ret = -EINVAL; + goto exit; + } + priv->out_ep[j++] = num; + } + } +exit: + priv->nr_out_eps = j; + return ret; +} + +static int rtl8xxxu_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct rtl8xxxu_priv *priv; + struct ieee80211_hw *hw; + struct usb_device *udev; + struct ieee80211_supported_band *sband; + int ret; + int untested = 1; + + udev = usb_get_dev(interface_to_usbdev(interface)); + + switch (id->idVendor) { + case USB_VENDOR_ID_REALTEK: + switch(id->idProduct) { + case 0x1724: + case 0x8176: + case 0x8178: + case 0x817f: + case 0x818b: + untested = 0; + break; + } + break; + case 0x7392: + if (id->idProduct == 0x7811) + untested = 0; + break; + case 0x050d: + if (id->idProduct == 0x1004) + untested = 0; + break; + case 0x20f4: + if (id->idProduct == 0x648b) + untested = 0; + break; + case 0x2001: + if (id->idProduct == 0x3308) + untested = 0; + break; + case 0x2357: + if (id->idProduct == 0x0109) + untested = 0; + break; + default: + break; + } + + if (untested) { + rtl8xxxu_debug |= RTL8XXXU_DEBUG_EFUSE; + dev_info(&udev->dev, + "This Realtek USB WiFi dongle (0x%04x:0x%04x) is untested!\n", + id->idVendor, id->idProduct); + dev_info(&udev->dev, + "Please report results to Jes.Sorensen@gmail.com\n"); + } + + hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops); + if (!hw) { + ret = -ENOMEM; + priv = NULL; + goto exit; + } + + priv = hw->priv; + priv->hw = hw; + priv->udev = udev; + priv->fops = (struct rtl8xxxu_fileops *)id->driver_info; + mutex_init(&priv->usb_buf_mutex); + mutex_init(&priv->h2c_mutex); + INIT_LIST_HEAD(&priv->tx_urb_free_list); + spin_lock_init(&priv->tx_urb_lock); + INIT_LIST_HEAD(&priv->rx_urb_pending_list); + spin_lock_init(&priv->rx_urb_lock); + INIT_WORK(&priv->rx_urb_wq, rtl8xxxu_rx_urb_work); + + usb_set_intfdata(interface, hw); + + ret = rtl8xxxu_parse_usb(priv, interface); + if (ret) + goto exit; + + ret = rtl8xxxu_identify_chip(priv); + if (ret) { + dev_err(&udev->dev, "Fatal - failed to identify chip\n"); + goto exit; + } + + ret = rtl8xxxu_read_efuse(priv); + if (ret) { + dev_err(&udev->dev, "Fatal - failed to read EFuse\n"); + goto exit; + } + + ret = priv->fops->parse_efuse(priv); + if (ret) { + dev_err(&udev->dev, "Fatal - failed to parse EFuse\n"); + goto exit; + } + + rtl8xxxu_print_chipinfo(priv); + + ret = priv->fops->load_firmware(priv); + if (ret) { + dev_err(&udev->dev, "Fatal - failed to load firmware\n"); + goto exit; + } + + ret = rtl8xxxu_init_device(hw); + if (ret) + goto exit; + + hw->wiphy->max_scan_ssids = 1; + hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + hw->queues = 4; + + sband = &rtl8xxxu_supported_band; + sband->ht_cap.ht_supported = true; + sband->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + sband->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; + sband->ht_cap.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; + memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs)); + sband->ht_cap.mcs.rx_mask[0] = 0xff; + sband->ht_cap.mcs.rx_mask[4] = 0x01; + if (priv->rf_paths > 1) { + sband->ht_cap.mcs.rx_mask[1] = 0xff; + sband->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; + } + sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + /* + * Some APs will negotiate HT20_40 in a noisy environment leading + * to miserable performance. Rather than defaulting to this, only + * enable it if explicitly requested at module load time. + */ + if (rtl8xxxu_ht40_2g) { + dev_info(&udev->dev, "Enabling HT_20_40 on the 2.4GHz band\n"); + sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + } + hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; + + hw->wiphy->rts_threshold = 2347; + + SET_IEEE80211_DEV(priv->hw, &interface->dev); + SET_IEEE80211_PERM_ADDR(hw, priv->mac_addr); + + hw->extra_tx_headroom = priv->fops->tx_desc_size; + ieee80211_hw_set(hw, SIGNAL_DBM); + /* + * The firmware handles rate control + */ + ieee80211_hw_set(hw, HAS_RATE_CONTROL); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + + ret = ieee80211_register_hw(priv->hw); + if (ret) { + dev_err(&udev->dev, "%s: Failed to register: %i\n", + __func__, ret); + goto exit; + } + + return 0; + +exit: + usb_set_intfdata(interface, NULL); + + if (priv) { + kfree(priv->fw_data); + mutex_destroy(&priv->usb_buf_mutex); + mutex_destroy(&priv->h2c_mutex); + } + usb_put_dev(udev); + + ieee80211_free_hw(hw); + + return ret; +} + +static void rtl8xxxu_disconnect(struct usb_interface *interface) +{ + struct rtl8xxxu_priv *priv; + struct ieee80211_hw *hw; + + hw = usb_get_intfdata(interface); + priv = hw->priv; + + ieee80211_unregister_hw(hw); + + priv->fops->power_off(priv); + + usb_set_intfdata(interface, NULL); + + dev_info(&priv->udev->dev, "disconnecting\n"); + + kfree(priv->fw_data); + mutex_destroy(&priv->usb_buf_mutex); + mutex_destroy(&priv->h2c_mutex); + + if (priv->udev->state != USB_STATE_NOTATTACHED) { + dev_info(&priv->udev->dev, + "Device still attached, trying to reset\n"); + usb_reset_device(priv->udev); + } + usb_put_dev(priv->udev); + ieee80211_free_hw(hw); +} + +static struct usb_device_id dev_table[] = { +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8724, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8723au_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1724, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8723au_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0724, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8723au_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818b, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +/* TP-Link TL-WN822N v4 */ +{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0108, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +/* D-Link DWA-131 rev E1, tested by David Patiño */ +{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3319, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +/* Tested by Myckel Habets */ +{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0109, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb720, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8723bu_fops}, +#ifdef CPTCFG_RTL8XXXU_UNTESTED +/* Still supported by rtlwifi */ +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8176, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8178, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817f, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* Tested by Larry Finger */ +{USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7811, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* Tested by Andrea Merello */ +{USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1004, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* Tested by Jocelyn Mayer */ +{USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x648b, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* Tested by Stefano Bravi */ +{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3308, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* Currently untested 8188 series devices */ +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8191, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8170, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8177, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817a, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817b, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817d, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817e, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818a, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x317f, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x1058, 0x0631, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x094c, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1102, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe033, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8189, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9041, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ba, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1e1e, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x5088, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0052, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x005c, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0eb0, 0x9071, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x103c, 0x1629, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3357, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330b, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x4902, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2a, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2e, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xed17, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0090, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x4856, 0x0091, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0xcdab, 0x8010, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff7, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff9, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffa, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff8, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffb, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffc, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x1201, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* Currently untested 8192 series devices */ +{USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x0950, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2102, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2103, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0586, 0x341f, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe035, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ab, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0061, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0070, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0789, 0x016d, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x07aa, 0x0056, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8178, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9021, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0xf001, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x2e2e, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0e66, 0x0019, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x0e66, 0x0020, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3307, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3309, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330a, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2b, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x624d, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0100, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0091, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7822, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192cu_fops}, +/* found in rtl8192eu vendor driver */ +{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0107, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab33, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818c, 0xff, 0xff, 0xff), + .driver_info = (unsigned long)&rtl8192eu_fops}, +#endif +{ } +}; + +static struct usb_driver rtl8xxxu_driver = { + .name = DRIVER_NAME, + .probe = rtl8xxxu_probe, + .disconnect = rtl8xxxu_disconnect, + .id_table = dev_table, + .no_dynamic_id = 1, + .disable_hub_initiated_lpm = 1, +}; + +static int __init rtl8xxxu_module_init(void) +{ + int res; + + res = usb_register(&rtl8xxxu_driver); + if (res < 0) + pr_err(DRIVER_NAME ": usb_register() failed (%i)\n", res); + + return res; +} + +static void __exit rtl8xxxu_module_exit(void) +{ + usb_deregister(&rtl8xxxu_driver); +} + + +MODULE_DEVICE_TABLE(usb, dev_table); + +module_init(rtl8xxxu_module_init); +module_exit(rtl8xxxu_module_exit); -- cgit v1.2.3