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