/* * Copyright (c) 2010 Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _BRCM_SDH_H_ #define _BRCM_SDH_H_ #include #define SDIO_FUNC_0 0 #define SDIO_FUNC_1 1 #define SDIO_FUNC_2 2 #define SDIOD_FBR_SIZE 0x100 /* io_en */ #define SDIO_FUNC_ENABLE_1 0x02 #define SDIO_FUNC_ENABLE_2 0x04 /* io_rdys */ #define SDIO_FUNC_READY_1 0x02 #define SDIO_FUNC_READY_2 0x04 /* intr_status */ #define INTR_STATUS_FUNC1 0x2 #define INTR_STATUS_FUNC2 0x4 /* Maximum number of I/O funcs */ #define SDIOD_MAX_IOFUNCS 7 /* mask of register map */ #define REG_F0_REG_MASK 0x7FF #define REG_F1_MISC_MASK 0x1FFFF /* as of sdiod rev 0, supports 3 functions */ #define SBSDIO_NUM_FUNCTION 3 /* function 0 vendor specific CCCR registers */ #define SDIO_CCCR_BRCM_CARDCAP 0xf0 #define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02 #define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04 #define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC 0x08 #define SDIO_CCCR_BRCM_CARDCTRL 0xf1 #define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET 0x02 #define SDIO_CCCR_BRCM_SEPINT 0xf2 #define SDIO_SEPINT_MASK 0x01 #define SDIO_SEPINT_OE 0x02 #define SDIO_SEPINT_ACT_HI 0x04 /* function 1 miscellaneous registers */ /* sprom command and status */ #define SBSDIO_SPROM_CS 0x10000 /* sprom info register */ #define SBSDIO_SPROM_INFO 0x10001 /* sprom indirect access data byte 0 */ #define SBSDIO_SPROM_DATA_LOW 0x10002 /* sprom indirect access data byte 1 */ #define SBSDIO_SPROM_DATA_HIGH 0x10003 /* sprom indirect access addr byte 0 */ #define SBSDIO_SPROM_ADDR_LOW 0x10004 /* sprom indirect access addr byte 0 */ #define SBSDIO_SPROM_ADDR_HIGH 0x10005 /* xtal_pu (gpio) output */ #define SBSDIO_CHIP_CTRL_DATA 0x10006 /* xtal_pu (gpio) enable */ #define SBSDIO_CHIP_CTRL_EN 0x10007 /* rev < 7, watermark for sdio device */ #define SBSDIO_WATERMARK 0x10008 /* control busy signal generation */ #define SBSDIO_DEVICE_CTL 0x10009 /* SB Address Window Low (b15) */ #define SBSDIO_FUNC1_SBADDRLOW 0x1000A /* SB Address Window Mid (b23:b16) */ #define SBSDIO_FUNC1_SBADDRMID 0x1000B /* SB Address Window High (b31:b24) */ #define SBSDIO_FUNC1_SBADDRHIGH 0x1000C /* Frame Control (frame term/abort) */ #define SBSDIO_FUNC1_FRAMECTRL 0x1000D /* ChipClockCSR (ALP/HT ctl/status) */ #define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E /* SdioPullUp (on cmd, d0-d2) */ #define SBSDIO_FUNC1_SDIOPULLUP 0x1000F /* Write Frame Byte Count Low */ #define SBSDIO_FUNC1_WFRAMEBCLO 0x10019 /* Write Frame Byte Count High */ #define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A /* Read Frame Byte Count Low */ #define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B /* Read Frame Byte Count High */ #define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C /* MesBusyCtl (rev 11) */ #define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D /* Sdio Core Rev 12 */ #define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E #define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1 #define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT 0 #define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK 0x2 #define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT 1 #define SBSDIO_FUNC1_SLEEPCSR 0x1001F #define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK 0x1 #define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT 0 #define SBSDIO_FUNC1_SLEEPCSR_KSO_EN 1 #define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK 0x2 #define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT 1 #define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */ #define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001F /* f1 misc register end */ /* function 1 OCP space */ /* sb offset addr is <= 15 bits, 32k */ #define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF #define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000 /* with b15, maps to 32-bit SB access */ #define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000 /* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */ #define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */ #define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */ #define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */ /* Address bits from SBADDR regs */ #define SBSDIO_SBWINDOW_MASK 0xffff8000 #define SDIOH_READ 0 /* Read request */ #define SDIOH_WRITE 1 /* Write request */ #define SDIOH_DATA_FIX 0 /* Fixed addressing */ #define SDIOH_DATA_INC 1 /* Incremental addressing */ /* internal return code */ #define SUCCESS 0 #define ERROR 1 /* Packet alignment for most efficient SDIO (can change based on platform) */ #define BRCMF_SDALIGN (1 << 6) /* watchdog polling interval in ms */ #define BRCMF_WD_POLL_MS 10 struct brcmf_sdreg { int func; int offset; int value; }; struct brcmf_sdio; struct brcmf_sdio_dev { struct sdio_func *func[SDIO_MAX_FUNCS]; u8 num_funcs; /* Supported funcs on client */ u32 sbwad; /* Save backplane window address */ struct brcmf_sdio *bus; atomic_t suspend; /* suspend flag */ wait_queue_head_t request_word_wait; wait_queue_head_t request_buffer_wait; struct device *dev; struct brcmf_bus *bus_if; struct brcmfmac_sdio_platform_data *pdata; bool oob_irq_requested; bool irq_en; /* irq enable flags */ spinlock_t irq_en_lock; bool irq_wake; /* irq wake enable flags */ bool sg_support; uint max_request_size; ushort max_segment_count; uint max_segment_size; }; /* sdio core registers */ struct sdpcmd_regs { u32 corecontrol; /* 0x00, rev8 */ u32 corestatus; /* rev8 */ u32 PAD[1]; u32 biststatus; /* rev8 */ /* PCMCIA access */ u16 pcmciamesportaladdr; /* 0x010, rev8 */ u16 PAD[1]; u16 pcmciamesportalmask; /* rev8 */ u16 PAD[1]; u16 pcmciawrframebc; /* rev8 */ u16 PAD[1]; u16 pcmciaunderflowtimer; /* rev8 */ u16 PAD[1]; /* interrupt */ u32 intstatus; /* 0x020, rev8 */ u32 hostintmask; /* rev8 */ u32 intmask; /* rev8 */ u32 sbintstatus; /* rev8 */ u32 sbintmask; /* rev8 */ u32 funcintmask; /* rev4 */ u32 PAD[2]; u32 tosbmailbox; /* 0x040, rev8 */ u32 tohostmailbox; /* rev8 */ u32 tosbmailboxdata; /* rev8 */ u32 tohostmailboxdata; /* rev8 */ /* synchronized access to registers in SDIO clock domain */ u32 sdioaccess; /* 0x050, rev8 */ u32 PAD[3]; /* PCMCIA frame control */ u8 pcmciaframectrl; /* 0x060, rev8 */ u8 PAD[3]; u8 pcmciawatermark; /* rev8 */ u8 PAD[155]; /* interrupt batching control */ u32 intrcvlazy; /* 0x100, rev8 */ u32 PAD[3]; /* counters */ u32 cmd52rd; /* 0x110, rev8 */ u32 cmd52wr; /* rev8 */ u32 cmd53rd; /* rev8 */ u32 cmd53wr; /* rev8 */ u32 abort; /* rev8 */ u32 datacrcerror; /* rev8 */ u32 rdoutofsync; /* rev8 */ u32 wroutofsync; /* rev8 */ u32 writebusy; /* rev8 */ u32 readwait; /* rev8 */ u32 readterm; /* rev8 */ u32 writeterm; /* rev8 */ u32 PAD[40]; u32 clockctlstatus; /* rev8 */ u32 PAD[7]; u32 PAD[128]; /* DMA engines */ /* SDIO/PCMCIA CIS region */ char cis[512]; /* 0x400-0x5ff, rev6 */ /* PCMCIA function control registers */ char pcmciafcr[256]; /* 0x600-6ff, rev6 */ u16 PAD[55]; /* PCMCIA backplane access */ u16 backplanecsr; /* 0x76E, rev6 */ u16 backplaneaddr0; /* rev6 */ u16 backplaneaddr1; /* rev6 */ u16 backplaneaddr2; /* rev6 */ u16 backplaneaddr3; /* rev6 */ u16 backplanedata0; /* rev6 */ u16 backplanedata1; /* rev6 */ u16 backplanedata2; /* rev6 */ u16 backplanedata3; /* rev6 */ u16 PAD[31]; /* sprom "size" & "blank" info */ u16 spromstatus; /* 0x7BE, rev2 */ u32 PAD[464]; u16 PAD[0x80]; }; /* Register/deregister interrupt handler. */ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev); int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev); /* sdio device register access interface */ u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); void brcmf_sdiod_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, u8 data, int *ret); void brcmf_sdiod_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, u32 data, int *ret); /* Buffer transfer to/from device (client) core via cmd53. * fn: function number * flags: backplane width, address increment, sync/async * buf: pointer to memory data buffer * nbytes: number of bytes to transfer to/from buf * pkt: pointer to packet associated with buf (if any) * complete: callback function for command completion (async only) * handle: handle for completion callback (first arg in callback) * Returns 0 or error code. * NOTE: Async operation is not currently supported. */ int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff_head *pktq); int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes); int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt); int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes); int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, struct sk_buff_head *pktq, uint totlen); /* Flags bits */ /* Four-byte target (backplane) width (vs. two-byte) */ #define SDIO_REQ_4BYTE 0x1 /* Fixed address (FIFO) (vs. incrementing address) */ #define SDIO_REQ_FIXED 0x2 /* Read/write to memory block (F1, no FIFO) via CMD53 (sync only). * rw: read or write (0/1) * addr: direct SDIO address * buf: pointer to memory data buffer * nbytes: number of bytes to transfer to/from buf * Returns 0 or error code. */ int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, u8 *data, uint size); /* Issue an abort to the specified function */ int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev); void brcmf_sdio_remove(struct brcmf_sdio *bus); void brcmf_sdio_isr(struct brcmf_sdio *bus); void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick); #endif /* _BRCM_SDH_H_ */