diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/bcmsdh.c')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/bcmsdh.c | 631 |
1 files changed, 0 insertions, 631 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c deleted file mode 100644 index 3750fcf5a871..000000000000 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c +++ /dev/null @@ -1,631 +0,0 @@ -/* - * 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. - */ -/* ****************** BCMSDH Interface Functions *************************** */ - -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/pci_ids.h> -#include <bcmdefs.h> -#include <bcmdevs.h> -#include <bcmutils.h> -#include <hndsoc.h> - -#include <bcmsdh.h> /* BRCM API for SDIO - clients (such as wl, dhd) */ -#include <bcmsdbus.h> /* common SDIO/controller interface */ -#include <sbsdio.h> /* BRCM sdio device core */ - -#include <sdio.h> /* sdio spec */ -#include "dngl_stats.h" -#include "dhd.h" - -#define SDIOH_API_ACCESS_RETRY_LIMIT 2 -const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL; - -struct bcmsdh_info { - bool init_success; /* underlying driver successfully attached */ - void *sdioh; /* handler for sdioh */ - u32 vendevid; /* Target Vendor and Device ID on SD bus */ - bool regfail; /* Save status of last - reg_read/reg_write call */ - u32 sbwad; /* Save backplane window address */ -}; -/* local copy of bcm sd handler */ -bcmsdh_info_t *l_bcmsdh; - -#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 - -bcmsdh_info_t *bcmsdh_attach(void *cfghdl, void **regsva, uint irq) -{ - bcmsdh_info_t *bcmsdh; - - bcmsdh = kzalloc(sizeof(bcmsdh_info_t), GFP_ATOMIC); - if (bcmsdh == NULL) { - BCMSDH_ERROR(("bcmsdh_attach: out of memory")); - return NULL; - } - - /* save the handler locally */ - l_bcmsdh = bcmsdh; - - bcmsdh->sdioh = sdioh_attach(cfghdl, irq); - if (!bcmsdh->sdioh) { - bcmsdh_detach(bcmsdh); - return NULL; - } - - bcmsdh->init_success = true; - - *regsva = (u32 *) SI_ENUM_BASE; - - /* Report the BAR, to fix if needed */ - bcmsdh->sbwad = SI_ENUM_BASE; - return bcmsdh; -} - -int bcmsdh_detach(void *sdh) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - - if (bcmsdh != NULL) { - if (bcmsdh->sdioh) { - sdioh_detach(bcmsdh->sdioh); - bcmsdh->sdioh = NULL; - } - kfree(bcmsdh); - } - - 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 : -EIO; -} - -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 : -EIO; -} - -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 : -EIO; -} - -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 : -EIO; -} - -#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 -ENOTSUPP; -} - -u8 bcmsdh_cfg_read(void *sdh, uint fnc_num, u32 addr, int *err) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; -#ifdef SDIOH_API_ACCESS_RETRY_LIMIT - s32 retry = 0; -#endif - u8 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 */ - udelay(1000); -#endif - status = - sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr, - (u8 *) &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 : -EIO); - - BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n", - __func__, fnc_num, addr, data)); - - return data; -} - -void -bcmsdh_cfg_write(void *sdh, uint fnc_num, u32 addr, u8 data, int *err) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; -#ifdef SDIOH_API_ACCESS_RETRY_LIMIT - s32 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 */ - udelay(1000); -#endif - status = - sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr, - (u8 *) &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 : -EIO; - - BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n", - __func__, fnc_num, addr, data)); -} - -u32 bcmsdh_cfg_read_word(void *sdh, uint fnc_num, u32 addr, int *err) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; - u32 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 : -EIO); - - BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n", - __func__, fnc_num, addr, data)); - - return data; -} - -void -bcmsdh_cfg_write_word(void *sdh, uint fnc_num, u32 addr, u32 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 : -EIO); - - BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n", - __func__, fnc_num, addr, data)); -} - -int bcmsdh_cis_read(void *sdh, uint func, u8 * cis, uint length) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; - - u8 *tmp_buf, *tmp_ptr; - u8 *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. */ - tmp_buf = kmalloc(length, GFP_ATOMIC); - if (tmp_buf == NULL) { - BCMSDH_ERROR(("%s: out of memory\n", __func__)); - return -ENOMEM; - } - memcpy(tmp_buf, cis, length); - for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4); - tmp_ptr++) { - ptr += sprintf((char *)ptr, "%.2x ", *tmp_ptr & 0xff); - if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0) - ptr += sprintf((char *)ptr, "\n"); - } - kfree(tmp_buf); - } - - return SDIOH_API_SUCCESS(status) ? 0 : -EIO; -} - -static int bcmsdhsdio_set_sbaddr_window(void *sdh, u32 address) -{ - int err = 0; - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - 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); - - return err; -} - -u32 bcmsdh_reg_read(void *sdh, u32 addr, uint size) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; - u32 word = 0; - uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK; - - BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, ", __func__, addr)); - - if (!bcmsdh) - bcmsdh = l_bcmsdh; - - ASSERT(bcmsdh->init_success); - - if (bar0 != bcmsdh->sbwad) { - if (bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0)) - return 0xFFFFFFFF; - - bcmsdh->sbwad = bar0; - } - - 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(("u32data = 0x%x\n", word)); - - /* if ok, return appropriately masked word */ - if (SDIOH_API_SUCCESS(status)) { - switch (size) { - case sizeof(u8): - return word & 0xff; - case sizeof(u16): - return word & 0xffff; - case sizeof(u32): - return word; - default: - bcmsdh->regfail = true; - - } - } - - /* otherwise, bad sdio access or invalid size */ - BCMSDH_ERROR(("%s: error reading addr 0x%04x size %d\n", __func__, - addr, size)); - return 0xFFFFFFFF; -} - -u32 bcmsdh_reg_write(void *sdh, u32 addr, uint size, u32 data) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; - uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK; - int err = 0; - - BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n", - __func__, addr, size * 8, data)); - - if (!bcmsdh) - bcmsdh = l_bcmsdh; - - ASSERT(bcmsdh->init_success); - - if (bar0 != bcmsdh->sbwad) { - err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0); - if (err) - return err; - - bcmsdh->sbwad = bar0; - } - - 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", - __func__, data, addr, size)); - return 0xFFFFFFFF; -} - -bool bcmsdh_regfail(void *sdh) -{ - return ((bcmsdh_info_t *) sdh)->regfail; -} - -int -bcmsdh_recv_buf(void *sdh, u32 addr, uint fn, uint flags, - u8 *buf, uint nbytes, struct sk_buff *pkt, - bcmsdh_cmplt_fn_t complete, void *handle) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; - uint incr_fix; - uint width; - uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK; - int err = 0; - - ASSERT(bcmsdh); - ASSERT(bcmsdh->init_success); - - BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n", - __func__, fn, addr, nbytes)); - - /* Async not implemented yet */ - ASSERT(!(flags & SDIO_REQ_ASYNC)); - if (flags & SDIO_REQ_ASYNC) - return -ENOTSUPP; - - if (bar0 != bcmsdh->sbwad) { - err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0); - if (err) - return err; - - bcmsdh->sbwad = bar0; - } - - 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 : -EIO; -} - -int -bcmsdh_send_buf(void *sdh, u32 addr, uint fn, uint flags, - u8 *buf, uint nbytes, void *pkt, - bcmsdh_cmplt_fn_t complete, void *handle) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - SDIOH_API_RC status; - uint incr_fix; - uint width; - uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK; - int err = 0; - - ASSERT(bcmsdh); - ASSERT(bcmsdh->init_success); - - BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n", - __func__, fn, addr, nbytes)); - - /* Async not implemented yet */ - ASSERT(!(flags & SDIO_REQ_ASYNC)); - if (flags & SDIO_REQ_ASYNC) - return -ENOTSUPP; - - if (bar0 != bcmsdh->sbwad) { - err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0); - if (err) - return err; - - bcmsdh->sbwad = bar0; - } - - 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 : -EIO; -} - -int bcmsdh_rwdata(void *sdh, uint rw, u32 addr, u8 *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 : -EIO; -} - -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_query_device(void *sdh) -{ - bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh; - bcmsdh->vendevid = (PCI_VENDOR_ID_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. */ -u32 bcmsdh_get_dstatus(void *sdh) -{ - return 0; -} - -u32 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, u32 chip, u32 chiprev) -{ - return; -} |