diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/dhd_pcie.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/dhd_pcie.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/dhd_pcie.h b/drivers/net/wireless/bcmdhd/dhd_pcie.h new file mode 100644 index 000000000000..d51a53d38a1a --- /dev/null +++ b/drivers/net/wireless/bcmdhd/dhd_pcie.h @@ -0,0 +1,169 @@ +/* + * Linux DHD Bus Module for PCIE + * + * 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: dhd_pcie.h 452261 2014-01-29 19:30:23Z $ + */ + + +#ifndef dhd_pcie_h +#define dhd_pcie_h + +#include <bcmpcie.h> + +/* defines */ + +#define PCMSGBUF_HDRLEN 20 +#define DONGLE_REG_MAP_SIZE (32 * 1024) +#define DONGLE_TCM_MAP_SIZE (4096 * 1024) +#define DONGLE_MIN_MEMSIZE (128 *1024) +#ifdef DHD_DEBUG +#define DHD_PCIE_SUCCESS 0 +#define DHD_PCIE_FAILURE 1 +#endif /* DHD_DEBUG */ +#define REMAP_ENAB(bus) ((bus)->remap) +#define REMAP_ISADDR(bus, a) (((a) >= ((bus)->orig_ramsize)) && ((a) < ((bus)->ramsize))) + + +/* user defined data structures */ +#ifdef DHD_DEBUG +/* Device console log buffer state */ +#define CONSOLE_LINE_MAX 192 +#define CONSOLE_BUFFER_MAX 2024 + + +typedef struct dhd_console { + uint count; /* Poll interval msec counter */ + uint log_addr; /* Log struct address (fixed) */ + hndrte_log_t log; /* Log struct (host copy) */ + uint bufsize; /* Size of log buffer */ + uint8 *buf; /* Log buffer (host copy) */ + uint last; /* Last buffer read index */ +} dhd_console_t; +#endif /* DHD_DEBUG */ + +typedef struct dhd_bus { + dhd_pub_t *dhd; + struct pci_dev *dev; /* pci device handle */ + si_t *sih; /* Handle for SI calls */ + char *vars; /* Variables (from CIS and/or other) */ + uint varsz; /* Size of variables buffer */ + uint32 sbaddr; /* Current SB window pointer (-1, invalid) */ + sbpcieregs_t *reg; /* Registers for PCIE core */ + + uint armrev; /* CPU core revision */ + uint ramrev; /* SOCRAM core revision */ + uint32 ramsize; /* Size of RAM in SOCRAM (bytes) */ + uint32 orig_ramsize; /* Size of RAM in SOCRAM (bytes) */ + uint32 srmemsize; /* Size of SRMEM */ + + uint32 bus; /* gSPI or SDIO bus */ + uint32 intstatus; /* Intstatus bits (events) pending */ + bool dpc_sched; /* Indicates DPC schedule (intrpt rcvd) */ + bool fcstate; /* State of dongle flow-control */ + + uint16 cl_devid; /* cached devid for dhdsdio_probe_attach() */ + char *fw_path; /* module_param: path to firmware image */ + char *nv_path; /* module_param: path to nvram vars file */ + const char *nvram_params; /* user specified nvram params. */ + + struct pktq txq; /* Queue length used for flow-control */ + + uint rxlen; /* Length of valid data in buffer */ + + + bool intr; /* Use interrupts */ + bool ipend; /* Device interrupt is pending */ + bool intdis; /* Interrupts disabled by isr */ + uint intrcount; /* Count of device interrupt callbacks */ + uint lastintrs; /* Count as of last watchdog timer */ + +#ifdef DHD_DEBUG + dhd_console_t console; /* Console output polling support */ + uint console_addr; /* Console address from shared struct */ +#endif /* DHD_DEBUG */ + + bool alp_only; /* Don't use HT clock (ALP only) */ + + bool remap; /* Contiguous 1MB RAM: 512K socram + 512K devram + * Available with socram rev 16 + * Remap region not DMA-able + */ + uint32 resetinstr; + uint32 dongle_ram_base; + + ulong shared_addr; + pciedev_shared_t *pcie_sh; + bool bus_flowctrl; + ioct_resp_hdr_t ioct_resp; + uint32 dma_rxoffset; + volatile char *regs; /* pci device memory va */ + volatile char *tcm; /* pci device memory va */ + osl_t *osh; + uint32 nvram_csm; /* Nvram checksum */ + uint16 pollrate; + uint16 polltick; + + uint32 *pcie_mb_intr_addr; + void *pcie_mb_intr_osh; + bool sleep_allowed; + + /* version 3 shared struct related info start */ + uint8 h2d_ring_count; + uint8 d2h_ring_count; + uint32 ringmem_ptr; + uint32 ring_state_ptr; + + uint32 h2d_data_ring_mem_addr; + uint32 h2d_ctrl_ring_mem_addr; + uint32 h2d_data_ring_state_addr; + uint32 h2d_ctrl_ring_state_addr; + + uint32 d2h_data_ring_mem_addr; + uint32 d2h_ctrl_ring_mem_addr; + uint32 d2h_data_ring_state_addr; + uint32 d2h_ctrl_ring_state_addr; + + uint32 h2d_mb_data_ptr_addr; + uint32 d2h_mb_data_ptr_addr; + /* version 3 shared struct related info end */ + + uint32 def_intmask; + bool ltrsleep_on_unload; + +} dhd_bus_t; + +/* function declarations */ + +extern uint32* dhdpcie_bus_reg_map(osl_t *osh, ulong addr, int size); +extern int dhdpcie_bus_register(void); +extern void dhdpcie_bus_unregister(void); +extern bool dhdpcie_chipmatch(uint16 vendor, uint16 device); + +extern struct dhd_bus* dhdpcie_bus_attach(osl_t *osh, volatile char* regs, volatile char* tcm); +extern uint32 dhdpcie_bus_cfg_read_dword(struct dhd_bus *bus, uint32 addr, uint32 size); +extern void dhdpcie_bus_cfg_write_dword(struct dhd_bus *bus, uint32 addr, uint32 size, uint32 data); +extern void dhdpcie_bus_intr_disable(struct dhd_bus *bus); +extern void dhdpcie_bus_release(struct dhd_bus *bus); +extern int32 dhdpcie_bus_isr(struct dhd_bus *bus); +extern void dhdpcie_free_irq(dhd_bus_t *bus); +#endif /* dhd_pcie_h */ |