diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/bcmpcie.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/bcmpcie.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/bcmpcie.h b/drivers/net/wireless/bcmdhd/include/bcmpcie.h new file mode 100644 index 000000000000..f243fc30e7a8 --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/bcmpcie.h @@ -0,0 +1,129 @@ +/* + * Broadcom PCIE + * Software-specific definitions shared between device and host side + * Explains the shared area between host and dongle + * Copyright (C) 1999-2016, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: bcmpcie.h 452261 2014-01-29 19:30:23Z $ + */ + +#ifndef _bcmpcie_h_ +#define _bcmpcie_h_ + +#include <circularbuf.h> + +#define ADDR_64(x) (x.addr) +#define HIGH_ADDR_32(x) ((uint32) (((sh_addr_t) x).high_addr)) +#define LOW_ADDR_32(x) ((uint32) (((sh_addr_t) x).low_addr)) + +typedef struct { + uint32 low_addr; + uint32 high_addr; +} sh_addr_t; + +#define PCIE_SHARED_VERSION 0x0003 +#define PCIE_SHARED_VERSION_MASK 0x00FF +#define PCIE_SHARED_ASSERT_BUILT 0x0100 +#define PCIE_SHARED_ASSERT 0x0200 +#define PCIE_SHARED_TRAP 0x0400 +#define PCIE_SHARED_IN_BRPT 0x0800 +#define PCIE_SHARED_SET_BRPT 0x1000 +#define PCIE_SHARED_PENDING_BRPT 0x2000 +#define PCIE_SHARED_HTOD_SPLIT 0x4000 +#define PCIE_SHARED_DTOH_SPLIT 0x8000 + +typedef struct ring_mem { + uint8 idx; + uint8 rsvd; + uint16 size; + sh_addr_t base_addr; +} ring_mem_t; + +#define RINGSTATE_INITED 1 + +typedef struct ring_state { + uint8 idx; + uint8 state; + uint16 r_offset; + uint16 w_offset; + uint16 e_offset; +} ring_state_t; + + +typedef struct ring_info { + uint8 h2d_ring_count; + uint8 d2h_ring_count; + uint8 rsvd[2]; + /* locations in the TCM where the ringmem is and ringstate are defined */ + uint32 ringmem_ptr; /* h2d_ring_count + d2h_ring_count */ + uint32 ring_state_ptr; /* h2d_ring_count + d2h_ring_count */ +} ring_info_t; + +typedef struct { + /* shared area version captured at flags 7:0 */ + uint32 flags; + + uint32 trap_addr; + uint32 assert_exp_addr; + uint32 assert_file_addr; + uint32 assert_line; + uint32 console_addr; /* Address of hndrte_cons_t */ + uint32 msgtrace_addr; + uint32 fwid; + + /* Used for debug/flow control */ + uint16 total_lfrag_pkt_cnt; + uint16 max_host_rxbufs; + uint32 rsvd1; + + uint32 dma_rxoffset; + + /* these will be used for sleep request/ack, d3 req/ack */ + uint32 h2d_mb_data_ptr; + uint32 d2h_mb_data_ptr; + + /* information pertinent to host IPC/msgbuf channels */ + /* location in the TCM memory which has the ring_info */ + uint32 rings_info_ptr; + + /* block of host memory for the dongle to push the status into */ + sh_addr_t device_rings_stsblk; + uint32 device_rings_stsblk_len; + +} pciedev_shared_t; + + +/* H2D mail box Data */ +#define H2D_HOST_D3_INFORM 0x00000001 +#define H2D_HOST_DS_ACK 0x00000002 + +/* D2H mail box Data */ +#define D2H_DEV_D3_ACK 0x00000001 +#define D2H_DEV_DS_ENTER_REQ 0x00000002 +#define D2H_DEV_DS_EXIT_NOTE 0x00000004 + + +extern pciedev_shared_t pciedev_shared; +#define NEXTTXP(i, d) ((((i)+1) >= (d)) ? 0 : ((i)+1)) +#define NTXPACTIVE(r, w, d) (((r) <= (w)) ? ((w)-(r)) : ((d)-(r)+(w))) +#define NTXPAVAIL(r, w, d) (((d) - NTXPACTIVE((r), (w), (d))) > 1) + +#endif /* _bcmpcie_h_ */ |