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/*
* 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_ */
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