/* * BCMSDH interface glue * implement bcmsdh API for SDIOH driver * * Portions of this code are copyright (c) 2017 Cypress Semiconductor Corporation * * Copyright (C) 1999-2017, 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: bcmsdh.c 514727 2014-11-12 03:02:48Z $ */ /** * @file bcmsdh.c */ /* ****************** BCMSDH Interface Functions *************************** */ #include #include #include #include #include #include #include #include /* BRCM API for SDIO clients (such as wl, dhd) */ #include /* common SDIO/controller interface */ #include /* SDIO device core hardware definitions. */ #include /* SDIO Device and Protocol Specs */ #define SDIOH_API_ACCESS_RETRY_LIMIT 2 const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL; /* local copy of bcm sd handler */ bcmsdh_info_t * l_bcmsdh = NULL; #if defined(OOB_INTR_ONLY) && defined(HW_OOB) extern int sdioh_enable_hw_oob_intr(void *sdioh, bool enable); void bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable) { sdioh_enable_hw_oob_intr(sdh->sdioh, enable); } #endif /* Attach BCMSDH layer to SDIO Host Controller Driver * * @param osh OSL Handle. * @param cfghdl Configuration Handle. * @param regsva Virtual address of controller registers. * @param irq Interrupt number of SDIO controller. * * @return bcmsdh_info_t Handle to BCMSDH context. */ bcmsdh_info_t * bcmsdh_attach(osl_t *osh, void *sdioh, ulong *regsva) { bcmsdh_info_t *bcmsdh; if ((bcmsdh = (bcmsdh_info_t *)MALLOC(osh, sizeof(bcmsdh_info_t))) == NULL) { BCMSDH_ERROR(("bcmsdh_attach: out of memory, malloced %d bytes\n", MALLOCED(osh))); return NULL; } bzero((char *)bcmsdh, sizeof(bcmsdh_info_t)); bcmsdh->sdioh = sdioh; bcmsdh->osh = osh; bcmsdh->init_success = TRUE; *regsva = SI_ENUM_BASE; /* Report the BAR, to fix if needed */ bcmsdh->sbwad = SI_ENUM_BASE; /* save the handler locally */ l_bcmsdh = bcmsdh; return bcmsdh; } int bcmsdh_detach(osl_t *osh, void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; if (bcmsdh != NULL) { MFREE(osh, bcmsdh, sizeof(bcmsdh_info_t)); } l_bcmsdh = NULL; return 0; } int bcmsdh_iovar_op(void *sdh, const char *name, void *params, int plen, void *arg, int len, bool set) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; return sdioh_iovar_op(bcmsdh->sdioh, name, params, plen, arg, len, set); } bool bcmsdh_intr_query(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; bool on; ASSERT(bcmsdh); status = sdioh_interrupt_query(bcmsdh->sdioh, &on); if (SDIOH_API_SUCCESS(status)) return FALSE; else return on; } int bcmsdh_intr_enable(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; ASSERT(bcmsdh); status = sdioh_interrupt_set(bcmsdh->sdioh, TRUE); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } int bcmsdh_intr_disable(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; ASSERT(bcmsdh); status = sdioh_interrupt_set(bcmsdh->sdioh, FALSE); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } int bcmsdh_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; ASSERT(bcmsdh); status = sdioh_interrupt_register(bcmsdh->sdioh, fn, argh); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } int bcmsdh_intr_dereg(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; ASSERT(bcmsdh); status = sdioh_interrupt_deregister(bcmsdh->sdioh); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } #if defined(DHD_DEBUG) bool bcmsdh_intr_pending(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; ASSERT(sdh); return sdioh_interrupt_pending(bcmsdh->sdioh); } #endif int bcmsdh_devremove_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh) { ASSERT(sdh); /* don't support yet */ return BCME_UNSUPPORTED; } /** * Read from SDIO Configuration Space * @param sdh SDIO Host context. * @param func_num Function number to read from. * @param addr Address to read from. * @param err Error return. * @return value read from SDIO configuration space. */ uint8 bcmsdh_cfg_read(void *sdh, uint fnc_num, uint32 addr, int *err) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; #ifdef SDIOH_API_ACCESS_RETRY_LIMIT int32 retry = 0; #endif uint8 data = 0; if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); #ifdef SDIOH_API_ACCESS_RETRY_LIMIT do { if (retry) /* wait for 1 ms till bus get settled down */ OSL_DELAY(1000); #endif status = sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data); #ifdef SDIOH_API_ACCESS_RETRY_LIMIT } while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT)); #endif if (err) *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR); BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__, fnc_num, addr, data)); return data; } void bcmsdh_cfg_write(void *sdh, uint fnc_num, uint32 addr, uint8 data, int *err) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; #ifdef SDIOH_API_ACCESS_RETRY_LIMIT int32 retry = 0; #endif if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); #ifdef SDIOH_API_ACCESS_RETRY_LIMIT do { if (retry) /* wait for 1 ms till bus get settled down */ OSL_DELAY(1000); #endif status = sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data); #ifdef SDIOH_API_ACCESS_RETRY_LIMIT } while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT)); #endif if (err) *err = SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR; BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__, fnc_num, addr, data)); } uint32 bcmsdh_cfg_read_word(void *sdh, uint fnc_num, uint32 addr, int *err) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; uint32 data = 0; if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ, fnc_num, addr, &data, 4); if (err) *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR); BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__, fnc_num, addr, data)); return data; } void bcmsdh_cfg_write_word(void *sdh, uint fnc_num, uint32 addr, uint32 data, int *err) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, fnc_num, addr, &data, 4); if (err) *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR); BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__, fnc_num, addr, data)); } int bcmsdh_cis_read(void *sdh, uint func, uint8 *cis, uint length) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; uint8 *tmp_buf, *tmp_ptr; uint8 *ptr; bool ascii = func & ~0xf; func &= 0x7; if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); ASSERT(cis); ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT); status = sdioh_cis_read(bcmsdh->sdioh, func, cis, length); if (ascii) { /* Move binary bits to tmp and format them into the provided buffer. */ if ((tmp_buf = (uint8 *)MALLOC(bcmsdh->osh, length)) == NULL) { BCMSDH_ERROR(("%s: out of memory\n", __FUNCTION__)); return BCME_NOMEM; } bcopy(cis, tmp_buf, length); for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4); tmp_ptr++) { ptr += snprintf((char*)ptr, (cis + length - ptr - 4), "%.2x ", *tmp_ptr & 0xff); if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0) ptr += snprintf((char *)ptr, (cis + length - ptr -4), "\n"); } MFREE(bcmsdh->osh, tmp_buf, length); } return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } int bcmsdhsdio_set_sbaddr_window(void *sdh, uint32 address, bool force_set) { int err = 0; uint bar0 = address & ~SBSDIO_SB_OFT_ADDR_MASK; bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; if (bar0 != bcmsdh->sbwad || force_set) { bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW, (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err); if (!err) bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID, (address >> 16) & SBSDIO_SBADDRMID_MASK, &err); if (!err) bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH, (address >> 24) & SBSDIO_SBADDRHIGH_MASK, &err); if (!err) bcmsdh->sbwad = bar0; else /* invalidate cached window var */ bcmsdh->sbwad = 0; } return err; } uint32 bcmsdh_reg_read(void *sdh, uint32 addr, uint size) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; uint32 word = 0; BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, ", __FUNCTION__, addr)); if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); if (bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)) return 0xFFFFFFFF; addr &= SBSDIO_SB_OFT_ADDR_MASK; if (size == 4) addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ, SDIO_FUNC_1, addr, &word, size); bcmsdh->regfail = !(SDIOH_API_SUCCESS(status)); BCMSDH_INFO(("uint32data = 0x%x\n", word)); /* if ok, return appropriately masked word */ if (SDIOH_API_SUCCESS(status)) { switch (size) { case sizeof(uint8): return (word & 0xff); case sizeof(uint16): return (word & 0xffff); case sizeof(uint32): return word; default: bcmsdh->regfail = TRUE; } } /* otherwise, bad sdio access or invalid size */ BCMSDH_ERROR(("%s: error reading addr 0x%04x size %d\n", __FUNCTION__, addr, size)); return 0xFFFFFFFF; } uint32 bcmsdh_reg_write(void *sdh, uint32 addr, uint size, uint32 data) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; int err = 0; BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n", __FUNCTION__, addr, size*8, data)); if (!bcmsdh) bcmsdh = l_bcmsdh; ASSERT(bcmsdh->init_success); if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE))) return err; addr &= SBSDIO_SB_OFT_ADDR_MASK; if (size == 4) addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, SDIO_FUNC_1, addr, &data, size); bcmsdh->regfail = !(SDIOH_API_SUCCESS(status)); if (SDIOH_API_SUCCESS(status)) return 0; BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n", __FUNCTION__, data, addr, size)); return 0xFFFFFFFF; } bool bcmsdh_regfail(void *sdh) { return ((bcmsdh_info_t *)sdh)->regfail; } int bcmsdh_recv_buf(void *sdh, uint32 addr, uint fn, uint flags, uint8 *buf, uint nbytes, void *pkt, bcmsdh_cmplt_fn_t complete_fn, void *handle) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; uint incr_fix; uint width; int err = 0; ASSERT(bcmsdh); ASSERT(bcmsdh->init_success); BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n", __FUNCTION__, fn, addr, nbytes)); /* Async not implemented yet */ ASSERT(!(flags & SDIO_REQ_ASYNC)); if (flags & SDIO_REQ_ASYNC) return BCME_UNSUPPORTED; if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE))) return err; addr &= SBSDIO_SB_OFT_ADDR_MASK; incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC; width = (flags & SDIO_REQ_4BYTE) ? 4 : 2; if (width == 4) addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix, SDIOH_READ, fn, addr, width, nbytes, buf, pkt); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR); } int bcmsdh_send_buf(void *sdh, uint32 addr, uint fn, uint flags, uint8 *buf, uint nbytes, void *pkt, bcmsdh_cmplt_fn_t complete_fn, void *handle) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; uint incr_fix; uint width; int err = 0; ASSERT(bcmsdh); ASSERT(bcmsdh->init_success); BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n", __FUNCTION__, fn, addr, nbytes)); /* Async not implemented yet */ ASSERT(!(flags & SDIO_REQ_ASYNC)); if (flags & SDIO_REQ_ASYNC) return BCME_UNSUPPORTED; if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE))) return err; addr &= SBSDIO_SB_OFT_ADDR_MASK; incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC; width = (flags & SDIO_REQ_4BYTE) ? 4 : 2; if (width == 4) addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix, SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } int bcmsdh_rwdata(void *sdh, uint rw, uint32 addr, uint8 *buf, uint nbytes) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; SDIOH_API_RC status; ASSERT(bcmsdh); ASSERT(bcmsdh->init_success); ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0); addr &= SBSDIO_SB_OFT_ADDR_MASK; addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, SDIOH_DATA_INC, (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1, addr, 4, nbytes, buf, NULL); return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR); } int bcmsdh_abort(void *sdh, uint fn) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; return sdioh_abort(bcmsdh->sdioh, fn); } int bcmsdh_start(void *sdh, int stage) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; return sdioh_start(bcmsdh->sdioh, stage); } int bcmsdh_stop(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; return sdioh_stop(bcmsdh->sdioh); } int bcmsdh_waitlockfree(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; return sdioh_waitlockfree(bcmsdh->sdioh); } int bcmsdh_query_device(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; bcmsdh->vendevid = (VENDOR_BROADCOM << 16) | 0; return (bcmsdh->vendevid); } uint bcmsdh_query_iofnum(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; if (!bcmsdh) bcmsdh = l_bcmsdh; return (sdioh_query_iofnum(bcmsdh->sdioh)); } int bcmsdh_reset(bcmsdh_info_t *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; return sdioh_sdio_reset(bcmsdh->sdioh); } void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh) { ASSERT(sdh); return sdh->sdioh; } /* Function to pass device-status bits to DHD. */ uint32 bcmsdh_get_dstatus(void *sdh) { return 0; } uint32 bcmsdh_cur_sbwad(void *sdh) { bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh; if (!bcmsdh) bcmsdh = l_bcmsdh; return (bcmsdh->sbwad); } void bcmsdh_chipinfo(void *sdh, uint32 chip, uint32 chiprev) { return; } int bcmsdh_sleep(void *sdh, bool enab) { #ifdef SDIOH_SLEEP_ENABLED bcmsdh_info_t *p = (bcmsdh_info_t *)sdh; sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh); return sdioh_sleep(sd, enab); #else return BCME_UNSUPPORTED; #endif } int bcmsdh_gpio_init(void *sdh) { bcmsdh_info_t *p = (bcmsdh_info_t *)sdh; sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh); return sdioh_gpio_init(sd); } bool bcmsdh_gpioin(void *sdh, uint32 gpio) { bcmsdh_info_t *p = (bcmsdh_info_t *)sdh; sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh); return sdioh_gpioin(sd, gpio); } int bcmsdh_gpioouten(void *sdh, uint32 gpio) { bcmsdh_info_t *p = (bcmsdh_info_t *)sdh; sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh); return sdioh_gpioouten(sd, gpio); } int bcmsdh_gpioout(void *sdh, uint32 gpio, bool enab) { bcmsdh_info_t *p = (bcmsdh_info_t *)sdh; sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh); return sdioh_gpioout(sd, gpio, enab); }