diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/os_dep/sdio_ops_linux.c')
| -rw-r--r-- | drivers/staging/rtl8723bs/os_dep/sdio_ops_linux.c | 599 |
1 files changed, 599 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/os_dep/sdio_ops_linux.c b/drivers/staging/rtl8723bs/os_dep/sdio_ops_linux.c new file mode 100644 index 0000000..33f0f83 --- /dev/null +++ b/drivers/staging/rtl8723bs/os_dep/sdio_ops_linux.c @@ -0,0 +1,599 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + *******************************************************************************/ +#define _SDIO_OPS_LINUX_C_ + +#include <drv_types.h> +#include <rtw_debug.h> + +static bool rtw_sdio_claim_host_needed(struct sdio_func *func) +{ + struct dvobj_priv *dvobj = sdio_get_drvdata(func); + PSDIO_DATA sdio_data = &dvobj->intf_data; + + if (sdio_data->sys_sdio_irq_thd && sdio_data->sys_sdio_irq_thd == current) + return false; + return true; +} + +inline void rtw_sdio_set_irq_thd(struct dvobj_priv *dvobj, void *thd_hdl) +{ + PSDIO_DATA sdio_data = &dvobj->intf_data; + + sdio_data->sys_sdio_irq_thd = thd_hdl; +} + +u8 sd_f0_read8(struct intf_hdl *pintfhdl, u32 addr, s32 *err) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + u8 v = 0; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return v; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + v = sdio_f0_readb(func, addr, err); + if (claim_needed) + sdio_release_host(func); + if (err && *err) + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x\n", __func__, *err, addr); + return v; +} + +/* + * Return: + *0 Success + *others Fail + */ +s32 _sd_cmd52_read(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + int err = 0, i; + struct sdio_func *func; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; + + for (i = 0; i < cnt; i++) { + pdata[i] = sdio_readb(func, addr+i, &err); + if (err) { + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x\n", __func__, err, addr+i); + break; + } + } + return err; +} + +/* + * Return: + *0 Success + *others Fail + */ +s32 sd_cmd52_read(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + int err = 0; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + err = _sd_cmd52_read(pintfhdl, addr, cnt, pdata); + if (claim_needed) + sdio_release_host(func); + return err; +} + +/* + * Return: + *0 Success + *others Fail + */ +s32 _sd_cmd52_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + int err = 0, i; + struct sdio_func *func; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; + + for (i = 0; i < cnt; i++) { + sdio_writeb(func, pdata[i], addr+i, &err); + if (err) { + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x val = 0x%02x\n", __func__, err, addr+i, pdata[i]); + break; + } + } + return err; +} + +/* + * Return: + *0 Success + *others Fail + */ +s32 sd_cmd52_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + int err = 0; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + err = _sd_cmd52_write(pintfhdl, addr, cnt, pdata); + if (claim_needed) + sdio_release_host(func); + return err; +} + +u8 sd_read8(struct intf_hdl *pintfhdl, u32 addr, s32 *err) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + u8 v = 0; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return v; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + v = sdio_readb(func, addr, err); + if (claim_needed) + sdio_release_host(func); + if (err && *err) + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x\n", __func__, *err, addr); + return v; +} + +u32 sd_read32(struct intf_hdl *pintfhdl, u32 addr, s32 *err) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + u32 v = 0; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return v; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + v = sdio_readl(func, addr, err); + if (claim_needed) + sdio_release_host(func); + + if (err && *err) + { + int i; + + DBG_871X(KERN_ERR "%s: (%d) addr = 0x%05x, val = 0x%x\n", __func__, *err, addr, v); + + *err = 0; + for (i = 0; i<SD_IO_TRY_CNT; i++) + { + if (claim_needed) sdio_claim_host(func); + v = sdio_readl(func, addr, err); + if (claim_needed) sdio_release_host(func); + + if (*err == 0) { + rtw_reset_continual_io_error(psdiodev); + break; + } else { + DBG_871X(KERN_ERR "%s: (%d) addr = 0x%05x, val = 0x%x, try_cnt =%d\n", __func__, *err, addr, v, i); + if ((-ESHUTDOWN == *err) || (-ENODEV == *err)) { + padapter->bSurpriseRemoved = true; + } + + if (rtw_inc_and_chk_continual_io_error(psdiodev) == true) { + padapter->bSurpriseRemoved = true; + break; + } + } + } + + if (i ==SD_IO_TRY_CNT) + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x, val = 0x%x, try_cnt =%d\n", __func__, *err, addr, v, i); + else + DBG_871X(KERN_ERR "%s: (%d) addr = 0x%05x, val = 0x%x, try_cnt =%d\n", __func__, *err, addr, v, i); + + } + return v; +} + +void sd_write8(struct intf_hdl *pintfhdl, u32 addr, u8 v, s32 *err) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return ; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + sdio_writeb(func, v, addr, err); + if (claim_needed) + sdio_release_host(func); + if (err && *err) + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x val = 0x%02x\n", __func__, *err, addr, v); +} + +void sd_write32(struct intf_hdl *pintfhdl, u32 addr, u32 v, s32 *err) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + struct sdio_func *func; + bool claim_needed; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return ; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + sdio_writel(func, v, addr, err); + if (claim_needed) + sdio_release_host(func); + + if (err && *err) + { + int i; + + DBG_871X(KERN_ERR "%s: (%d) addr = 0x%05x val = 0x%08x\n", __func__, *err, addr, v); + + *err = 0; + for (i = 0; i<SD_IO_TRY_CNT; i++) + { + if (claim_needed) sdio_claim_host(func); + sdio_writel(func, v, addr, err); + if (claim_needed) sdio_release_host(func); + if (*err == 0) { + rtw_reset_continual_io_error(psdiodev); + break; + } else { + DBG_871X(KERN_ERR "%s: (%d) addr = 0x%05x, val = 0x%x, try_cnt =%d\n", __func__, *err, addr, v, i); + if ((-ESHUTDOWN == *err) || (-ENODEV == *err)) { + padapter->bSurpriseRemoved = true; + } + + if (rtw_inc_and_chk_continual_io_error(psdiodev) == true) { + padapter->bSurpriseRemoved = true; + break; + } + } + } + + if (i ==SD_IO_TRY_CNT) + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x val = 0x%08x, try_cnt =%d\n", __func__, *err, addr, v, i); + else + DBG_871X(KERN_ERR "%s: (%d) addr = 0x%05x val = 0x%08x, try_cnt =%d\n", __func__, *err, addr, v, i); + } +} + +/* + * Use CMD53 to read data from SDIO device. + * This function MUST be called after sdio_claim_host() or + * in SDIO ISR(host had been claimed). + * + * Parameters: + *psdio pointer of SDIO_DATA + *addr address to read + *cnt amount to read + *pdata pointer to put data, this should be a "DMA:able scratch buffer"! + * + * Return: + *0 Success + *others Fail + */ +s32 _sd_read(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, void *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + int err = -EPERM; + struct sdio_func *func; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; + + if (unlikely((cnt == 1) || (cnt ==2))) + { + int i; + u8 *pbuf = (u8 *)pdata; + + for (i = 0; i < cnt; i++) + { + *(pbuf+i) = sdio_readb(func, addr+i, &err); + + if (err) { + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x\n", __func__, err, addr); + break; + } + } + return err; + } + + err = sdio_memcpy_fromio(func, pdata, addr, cnt); + if (err) { + DBG_871X(KERN_ERR "%s: FAIL(%d)! ADDR =%#x Size =%d\n", __func__, err, addr, cnt); + } + return err; +} + +/* + * Use CMD53 to read data from SDIO device. + * + * Parameters: + *psdio pointer of SDIO_DATA + *addr address to read + *cnt amount to read + *pdata pointer to put data, this should be a "DMA:able scratch buffer"! + * + * Return: + *0 Success + *others Fail + */ +s32 sd_read(struct intf_hdl * pintfhdl, u32 addr, u32 cnt, void *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + struct sdio_func *func; + bool claim_needed; + s32 err = -EPERM; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + err = _sd_read(pintfhdl, addr, cnt, pdata); + if (claim_needed) + sdio_release_host(func); + return err; +} + +/* + * Use CMD53 to write data to SDIO device. + * This function MUST be called after sdio_claim_host() or + * in SDIO ISR(host had been claimed). + * + * Parameters: + *psdio pointer of SDIO_DATA + *addr address to write + *cnt amount to write + *pdata data pointer, this should be a "DMA:able scratch buffer"! + * + * Return: + *0 Success + *others Fail + */ +s32 _sd_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, void *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + + struct sdio_func *func; + u32 size; + s32 err =-EPERM; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; +/* size = sdio_align_size(func, cnt); */ + + if (unlikely((cnt == 1) || (cnt ==2))) + { + int i; + u8 *pbuf = (u8 *)pdata; + + for (i = 0; i < cnt; i++) + { + sdio_writeb(func, *(pbuf+i), addr+i, &err); + if (err) { + DBG_871X(KERN_ERR "%s: FAIL!(%d) addr = 0x%05x val = 0x%02x\n", __func__, err, addr, *(pbuf+i)); + break; + } + } + + return err; + } + + size = cnt; + err = sdio_memcpy_toio(func, addr, pdata, size); + if (err) { + DBG_871X(KERN_ERR "%s: FAIL(%d)! ADDR =%#x Size =%d(%d)\n", __func__, err, addr, cnt, size); + } + return err; +} + +/* + * Use CMD53 to write data to SDIO device. + * + * Parameters: + * psdio pointer of SDIO_DATA + * addr address to write + * cnt amount to write + * pdata data pointer, this should be a "DMA:able scratch buffer"! + * + * Return: + * 0 Success + * others Fail + */ +s32 sd_write(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, void *pdata) +{ + struct adapter *padapter; + struct dvobj_priv *psdiodev; + PSDIO_DATA psdio; + struct sdio_func *func; + bool claim_needed; + s32 err =-EPERM; + + padapter = pintfhdl->padapter; + psdiodev = pintfhdl->pintf_dev; + psdio = &psdiodev->intf_data; + + if (padapter->bSurpriseRemoved) { + /* DBG_871X(" %s (padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n", __func__); */ + return err; + } + + func = psdio->func; + claim_needed = rtw_sdio_claim_host_needed(func); + + if (claim_needed) + sdio_claim_host(func); + err = _sd_write(pintfhdl, addr, cnt, pdata); + if (claim_needed) + sdio_release_host(func); + return err; +} |
