| /****************************************************************************** |
| * |
| * 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 = 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 = 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; |
| } |