/** * aicwf_sdmmc.c * * SDIO function declarations * * Copyright (C) AICSemi 2018-2020 */ #include #include #include #include #include #include #include #include #include #include #include "aicsdio_txrxif.h" #include "aicsdio.h" #include "aic_bsp_driver.h" #include #include #ifdef CONFIG_PLATFORM_ROCKCHIP #include #endif /* CONFIG_PLATFORM_ROCKCHIP */ #ifdef CONFIG_PLATFORM_ROCKCHIP2 #include #endif /* CONFIG_PLATFORM_ROCKCHIP */ #ifdef CONFIG_PLATFORM_ALLWINNER extern void sunxi_mmc_rescan_card(unsigned ids); extern void sunxi_wlan_set_power(int on); extern int sunxi_wlan_get_bus_index(void); static int aicbsp_bus_index = -1; #endif #ifdef CONFIG_PLATFORM_AMLOGIC//for AML #include extern void sdio_reinit(void); extern void extern_wifi_set_enable(int is_on); extern void set_power_control_lock(int lock); #endif//for AML static int aicbsp_platform_power_on(void); static void aicbsp_platform_power_off(void); struct aic_sdio_dev *aicbsp_sdiodev = NULL; static struct semaphore *aicbsp_notify_semaphore; static const struct sdio_device_id aicbsp_sdmmc_ids[]; static bool aicbsp_load_fw_in_fdrv = false; #define FW_PATH_MAX 200 //#ifdef CONFIG_PLATFORM_UBUNTU //static const char* aic_default_fw_path = "/lib/firmware/aic8800_sdio"; //#else static const char* aic_default_fw_path = CONFIG_AIC_FW_PATH; //#endif char aic_fw_path[FW_PATH_MAX]; module_param_string(aic_fw_path, aic_fw_path, FW_PATH_MAX, 0660); #ifdef CONFIG_M2D_OTA_AUTO_SUPPORT char saved_sdk_ver[64]; module_param_string(saved_sdk_ver, saved_sdk_ver,64, 0660); #endif extern int testmode; #define SDIO_DEVICE_ID_AIC8801_FUNC2 0x0146 #define SDIO_DEVICE_ID_AIC8800D80_FUNC2 0x0182 /* SDIO Device ID */ #define SDIO_VENDOR_ID_AIC8801 0x5449 #define SDIO_VENDOR_ID_AIC8800DC 0xc8a1 #define SDIO_VENDOR_ID_AIC8800D80 0xc8a1 #define SDIO_DEVICE_ID_AIC8801 0x0145 #define SDIO_DEVICE_ID_AIC8800DC 0xc08d #define SDIO_DEVICE_ID_AIC8800D80 0x0082 static int aicbsp_dummy_probe(struct sdio_func *func, const struct sdio_device_id *id) { if (func && (func->num != 2)) return 0; if(func->vendor != SDIO_VENDOR_ID_AIC8801 && func->device != SDIO_DEVICE_ID_AIC8801 && func->device != SDIO_DEVICE_ID_AIC8801_FUNC2 && func->vendor != SDIO_VENDOR_ID_AIC8800DC && func->device != SDIO_DEVICE_ID_AIC8800DC && func->vendor != SDIO_VENDOR_ID_AIC8800D80 && func->device != SDIO_DEVICE_ID_AIC8800D80 && func->device != SDIO_DEVICE_ID_AIC8800D80_FUNC2){ printk("VID:%x DID:%X \r\n", func->vendor, func->device); aicbsp_load_fw_in_fdrv = true; } if (aicbsp_notify_semaphore) up(aicbsp_notify_semaphore); return 0; } static void aicbsp_dummy_remove(struct sdio_func *func) { } static struct sdio_driver aicbsp_dummy_sdmmc_driver = { .probe = aicbsp_dummy_probe, .remove = aicbsp_dummy_remove, .name = "aicbsp_dummy_sdmmc", .id_table = aicbsp_sdmmc_ids, }; static int aicbsp_reg_sdio_notify(void *semaphore) { aicbsp_notify_semaphore = semaphore; return sdio_register_driver(&aicbsp_dummy_sdmmc_driver); } static void aicbsp_unreg_sdio_notify(void) { mdelay(15); sdio_unregister_driver(&aicbsp_dummy_sdmmc_driver); } static const char *aicbsp_subsys_name(int subsys) { switch (subsys) { case AIC_BLUETOOTH: return "AIC_BLUETOOTH"; case AIC_WIFI: return "AIC_WIFI"; default: return "unknown subsys"; } } #ifdef CONFIG_PLATFORM_ROCKCHIP #if 1//FOR RK SUSPEND void rfkill_rk_sleep_bt(bool sleep); #endif #endif #ifdef CONFIG_PLATFORM_ROCKCHIP2 #if 1//FOR RK SUSPEND void rfkill_rk_sleep_bt(bool sleep); #endif #endif int aicbsp_set_subsys(int subsys, int state) { static int pre_power_map; int cur_power_map; int pre_power_state; int cur_power_state; mutex_lock(&aicbsp_power_lock); aicbsp_load_fw_in_fdrv = false; cur_power_map = pre_power_map; if (state) cur_power_map |= (1 << subsys); else cur_power_map &= ~(1 << subsys); pre_power_state = pre_power_map > 0; cur_power_state = cur_power_map > 0; sdio_dbg("%s, subsys: %s, state to: %d\n", __func__, aicbsp_subsys_name(subsys), state); if (cur_power_state != pre_power_state) { sdio_dbg("%s, power state change to %d dure to %s\n", __func__, cur_power_state, aicbsp_subsys_name(subsys)); if (cur_power_state) { if (aicbsp_platform_power_on() < 0) goto err0; if (aicbsp_sdio_init()) goto err1; if (aicbsp_driver_fw_init(aicbsp_sdiodev)) goto err2; #ifndef CONFIG_FDRV_NO_REG_SDIO aicbsp_sdio_release(aicbsp_sdiodev); #endif #if defined CONFIG_PLATFORM_ROCKCHIP || defined CONFIG_PLATFORM_ROCKCHIP2 #ifdef CONFIG_GPIO_WAKEUP //BT_SLEEP:true,BT_WAKEUP:false rfkill_rk_sleep_bt(true); printk("%s BT wake default to SLEEP\r\n", __func__); #endif #endif //#ifndef CONFIG_PLATFORM_ROCKCHIP // aicbsp_sdio_exit(); //#endif } else { #ifndef CONFIG_PLATFORM_ROCKCHIP aicbsp_sdio_exit(); #endif aicbsp_platform_power_off(); } } else { sdio_dbg("%s, power state no need to change, current: %d\n", __func__, cur_power_state); } pre_power_map = cur_power_map; mutex_unlock(&aicbsp_power_lock); return cur_power_state; err2: aicbsp_sdio_release(aicbsp_sdiodev); aicbsp_sdio_exit(); err1: aicbsp_platform_power_off(); err0: sdio_dbg("%s, fail to set %s power state to %d\n", __func__, aicbsp_subsys_name(subsys), state); mutex_unlock(&aicbsp_power_lock); return -1; } EXPORT_SYMBOL_GPL(aicbsp_set_subsys); bool aicbsp_get_load_fw_in_fdrv(void){ return aicbsp_load_fw_in_fdrv; } EXPORT_SYMBOL_GPL(aicbsp_get_load_fw_in_fdrv); static int aicwf_sdio_chipmatch(struct aic_sdio_dev *sdio_dev, uint16_t vid, uint16_t did){ if(vid == SDIO_VENDOR_ID_AIC8801 && did == SDIO_DEVICE_ID_AIC8801){ sdio_dev->chipid = PRODUCT_ID_AIC8801; AICWFDBG(LOGINFO, "%s USE AIC8801\r\n", __func__); return 0; }else if(vid == SDIO_VENDOR_ID_AIC8800DC && did == SDIO_DEVICE_ID_AIC8800DC){ sdio_dev->chipid = PRODUCT_ID_AIC8800DC; AICWFDBG(LOGINFO, "%s USE AIC8800DC\r\n", __func__); return 0; }else if(vid == SDIO_VENDOR_ID_AIC8800D80 && did == SDIO_DEVICE_ID_AIC8800D80){ sdio_dev->chipid = PRODUCT_ID_AIC8800D80; AICWFDBG(LOGINFO, "%s USE AIC8800D80\r\n", __func__); return 0; }else{ return -1; } } void *aicbsp_get_drvdata(void *args) { (void)args; if (aicbsp_sdiodev) return aicbsp_sdiodev->bus_if; return dev_get_drvdata((const struct device *)args); } static int aicbsp_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { struct mmc_host *host; struct aic_sdio_dev *sdiodev; struct aicwf_bus *bus_if; int err = -ENODEV; sdio_dbg("%s:%d vid:0x%04X did:0x%04X\n", __func__, func->num, func->vendor, func->device); if(func->vendor != SDIO_VENDOR_ID_AIC8801 && func->device != SDIO_DEVICE_ID_AIC8801 && func->device != SDIO_DEVICE_ID_AIC8801_FUNC2 && func->vendor != SDIO_VENDOR_ID_AIC8800DC && func->device != SDIO_DEVICE_ID_AIC8800DC && func->vendor != SDIO_VENDOR_ID_AIC8800D80 && func->device != SDIO_DEVICE_ID_AIC8800D80 && func->device != SDIO_DEVICE_ID_AIC8800D80_FUNC2){ aicbsp_load_fw_in_fdrv = true; return err; } if (func->num != 2) { return err; } func = func->card->sdio_func[1 - 1]; //replace 2 with 1 host = func->card->host; sdio_dbg("%s after replace:%d\n", __func__, func->num); bus_if = kzalloc(sizeof(struct aicwf_bus), GFP_KERNEL); if (!bus_if) { sdio_err("alloc bus fail\n"); return -ENOMEM; } sdiodev = kzalloc(sizeof(struct aic_sdio_dev), GFP_KERNEL); if (!sdiodev) { sdio_err("alloc sdiodev fail\n"); kfree(bus_if); return -ENOMEM; } aicbsp_sdiodev = sdiodev; err = aicwf_sdio_chipmatch(sdiodev, func->vendor, func->device); sdiodev->func = func; if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ sdiodev->func_msg = func->card->sdio_func[1]; } sdiodev->bus_if = bus_if; bus_if->bus_priv.sdio = sdiodev; if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ dev_set_drvdata(&sdiodev->func_msg->dev, bus_if); printk("the device is PRODUCT_ID_AIC8800DC \n"); } dev_set_drvdata(&func->dev, bus_if); sdiodev->dev = &func->dev; if (sdiodev->chipid != PRODUCT_ID_AIC8800D80) { err = aicwf_sdio_func_init(sdiodev); } else { err = aicwf_sdiov3_func_init(sdiodev); } if (err < 0) { sdio_err("sdio func init fail\n"); goto fail; } if (aicwf_sdio_bus_init(sdiodev) == NULL) { sdio_err("sdio bus init err\r\n"); goto fail; } host->caps |= MMC_CAP_NONREMOVABLE; aicbsp_platform_init(sdiodev); return 0; fail: aicwf_sdio_func_deinit(sdiodev); dev_set_drvdata(&func->dev, NULL); kfree(sdiodev); kfree(bus_if); return err; } static void aicbsp_sdio_remove(struct sdio_func *func) { struct mmc_host *host; struct aicwf_bus *bus_if = NULL; struct aic_sdio_dev *sdiodev = NULL; sdio_dbg("%s\n", __func__); if (aicbsp_sdiodev == NULL) { sdio_dbg("%s: allready unregister\n", __func__); return; } bus_if = aicbsp_get_drvdata(&func->dev); if (!bus_if) { AICWFDBG(LOGERROR, "%s bus_if is NULL \r\n", __func__); return; } func = aicbsp_sdiodev->func; host = func->card->host; host->caps &= ~MMC_CAP_NONREMOVABLE; sdiodev = bus_if->bus_priv.sdio; if (!sdiodev) { AICWFDBG(LOGERROR, "%s sdiodev is NULL \r\n", __func__); return; } aicwf_sdio_release(sdiodev); aicwf_sdio_func_deinit(sdiodev); dev_set_drvdata(&sdiodev->func->dev, NULL); kfree(sdiodev); kfree(bus_if); aicbsp_sdiodev = NULL; sdio_dbg("%s done\n", __func__); } static int aicbsp_sdio_suspend(struct device *dev) { struct sdio_func *func = dev_to_sdio_func(dev); int err; mmc_pm_flag_t sdio_flags; #ifdef CONFIG_PLATFORM_ROCKCHIP #ifdef CONFIG_GPIO_WAKEUP //BT_SLEEP:true,BT_WAKEUP:false rfkill_rk_sleep_bt(false); #endif #endif #ifdef CONFIG_PLATFORM_ROCKCHIP2 #ifdef CONFIG_GPIO_WAKEUP //BT_SLEEP:true,BT_WAKEUP:false rfkill_rk_sleep_bt(false); #endif #endif sdio_dbg("%s, func->num = %d\n", __func__, func->num); if (func->num != 2) return 0; sdio_flags = sdio_get_host_pm_caps(func); if (!(sdio_flags & MMC_PM_KEEP_POWER)) { sdio_dbg("%s: can't keep power while host is suspended\n", __func__); return -EINVAL; } /* keep power while host suspended */ err = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); if (err) { sdio_dbg("%s: error while trying to keep power\n", __func__); return err; } #ifdef CONFIG_PLATFORM_ROCKCHIP #ifdef CONFIG_GPIO_WAKEUP //BT_SLEEP:true,BT_WAKEUP:false rfkill_rk_sleep_bt(true); printk("%s BT wake to SLEEP\r\n", __func__); #endif #endif #ifdef CONFIG_PLATFORM_ROCKCHIP2 #ifdef CONFIG_GPIO_WAKEUP //BT_SLEEP:true,BT_WAKEUP:false rfkill_rk_sleep_bt(true); printk("%s BT wake to SLEEP\r\n", __func__); #endif #endif return 0; } static int aicbsp_sdio_resume(struct device *dev) { sdio_dbg("%s\n", __func__); return 0; } static const struct sdio_device_id aicbsp_sdmmc_ids[] = { {SDIO_DEVICE_CLASS(SDIO_CLASS_WLAN)}, { }, }; MODULE_DEVICE_TABLE(sdio, aicbsp_sdmmc_ids); static const struct dev_pm_ops aicbsp_sdio_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(aicbsp_sdio_suspend, aicbsp_sdio_resume) }; static struct sdio_driver aicbsp_sdio_driver = { .probe = aicbsp_sdio_probe, .remove = aicbsp_sdio_remove, .name = AICBSP_SDIO_NAME, .id_table = aicbsp_sdmmc_ids, .drv = { .pm = &aicbsp_sdio_pm_ops, }, }; static int aicbsp_platform_power_on(void) { int ret = 0; struct semaphore aic_chipup_sem; sdio_dbg("%s\n", __func__); #ifdef CONFIG_PLATFORM_ALLWINNER if (aicbsp_bus_index < 0) aicbsp_bus_index = sunxi_wlan_get_bus_index(); if (aicbsp_bus_index < 0) return aicbsp_bus_index; #endif //CONFIG_PLATFORM_ALLWINNER #ifdef CONFIG_PLATFORM_AMLOGIC extern_wifi_set_enable(0); mdelay(200); extern_wifi_set_enable(1); mdelay(200); sdio_reinit(); set_power_control_lock(1); #endif #ifdef CONFIG_PLATFORM_ROCKCHIP2 rockchip_wifi_power(0); mdelay(50); rockchip_wifi_power(1); mdelay(50); rockchip_wifi_set_carddetect(1); #endif /*CONFIG_PLATFORM_ROCKCHIP2*/ sema_init(&aic_chipup_sem, 0); ret = aicbsp_reg_sdio_notify(&aic_chipup_sem); if (ret) { sdio_dbg("%s aicbsp_reg_sdio_notify fail(%d)\n", __func__, ret); return ret; } #ifdef CONFIG_PLATFORM_ALLWINNER sunxi_wlan_set_power(0); mdelay(50); sunxi_wlan_set_power(1); mdelay(50); sunxi_mmc_rescan_card(aicbsp_bus_index); #endif //CONFIG_PLATFORM_ALLWINNER if (down_timeout(&aic_chipup_sem, msecs_to_jiffies(2000)) == 0) { aicbsp_unreg_sdio_notify(); if(aicbsp_load_fw_in_fdrv){ printk("%s load fw in fdrv\r\n", __func__); return -1; } return 0; } aicbsp_unreg_sdio_notify(); #ifdef CONFIG_PLATFORM_ALLWINNER sunxi_wlan_set_power(0); #endif //CONFIG_PLATFORM_ALLWINNER #ifdef CONFIG_PLATFORM_AMLOGIC extern_wifi_set_enable(0); #endif #ifdef CONFIG_PLATFORM_ROCKCHIP2 rockchip_wifi_power(0); #endif /*CONFIG_PLATFORM_ROCKCHIP2*/ return -1; } static void aicbsp_platform_power_off(void) { //TODO wifi disable and sdio card detection #ifdef CONFIG_PLATFORM_ALLWINNER if (aicbsp_bus_index < 0) aicbsp_bus_index = sunxi_wlan_get_bus_index(); if (aicbsp_bus_index < 0) { sdio_dbg("no aicbsp_bus_index\n"); return; } sunxi_wlan_set_power(0); mdelay(100); sunxi_mmc_rescan_card(aicbsp_bus_index); #endif //CONFIG_PLATFORM_ALLWINNER #ifdef CONFIG_PLATFORM_ROCKCHIP2 rockchip_wifi_set_carddetect(0); mdelay(200); rockchip_wifi_power(0); mdelay(200); #endif /*CONFIG_PLATFORM_ROCKCHIP*/ #ifdef CONFIG_PLATFORM_AMLOGIC extern_wifi_set_enable(0); #endif sdio_dbg("%s\n", __func__); } int aicbsp_sdio_init(void) { if (sdio_register_driver(&aicbsp_sdio_driver)) { return -1; } else { //may add mmc_rescan here } return 0; } void aicbsp_sdio_exit(void) { sdio_unregister_driver(&aicbsp_sdio_driver); } void aicbsp_sdio_release(struct aic_sdio_dev *sdiodev) { sdiodev->bus_if->state = BUS_DOWN_ST; sdio_claim_host(sdiodev->func); sdio_release_irq(sdiodev->func); sdio_release_host(sdiodev->func); if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ sdio_claim_host(sdiodev->func_msg); sdio_release_irq(sdiodev->func_msg); sdio_release_host(sdiodev->func_msg); } } int aicwf_sdio_readb(struct aic_sdio_dev *sdiodev, uint regaddr, u8 *val) { int ret; sdio_claim_host(sdiodev->func); *val = sdio_readb(sdiodev->func, regaddr, &ret); sdio_release_host(sdiodev->func); return ret; } int aicwf_sdio_readb_func2(struct aic_sdio_dev *sdiodev, uint regaddr, u8 *val) { int ret; sdio_claim_host(sdiodev->func_msg); *val = sdio_readb(sdiodev->func_msg, regaddr, &ret); sdio_release_host(sdiodev->func_msg); return ret; } int aicwf_sdio_writeb(struct aic_sdio_dev *sdiodev, uint regaddr, u8 val) { int ret; sdio_claim_host(sdiodev->func); sdio_writeb(sdiodev->func, val, regaddr, &ret); sdio_release_host(sdiodev->func); return ret; } int aicwf_sdio_writeb_func2(struct aic_sdio_dev *sdiodev, uint regaddr, u8 val) { int ret; sdio_claim_host(sdiodev->func_msg); sdio_writeb(sdiodev->func_msg, val, regaddr, &ret); sdio_release_host(sdiodev->func_msg); return ret; } int aicwf_sdio_flow_ctrl(struct aic_sdio_dev *sdiodev) { int ret = -1; u8 fc_reg = 0; u32 count = 0; while (true) { ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.flow_ctrl_reg, &fc_reg); if (ret) { return -1; } if (sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW) { fc_reg = fc_reg & SDIOWIFI_FLOWCTRL_MASK_REG; } if (fc_reg != 0) { ret = fc_reg; return ret; } else { if (count >= FLOW_CTRL_RETRY_COUNT) { ret = -fc_reg; break; } count++; if (count < 30) udelay(200); else if (count < 40) mdelay(1); else mdelay(10); } } return ret; } int aicwf_sdio_send_msg(struct aic_sdio_dev *sdiodev, u8 *buf, uint count) { int ret = 0; sdio_claim_host(sdiodev->func_msg); ret = sdio_writesb(sdiodev->func_msg, 7, buf, count); sdio_release_host(sdiodev->func_msg); return ret; } int aicwf_sdio_send_pkt(struct aic_sdio_dev *sdiodev, u8 *buf, uint count) { int ret = 0; sdio_claim_host(sdiodev->func); ret = sdio_writesb(sdiodev->func, sdiodev->sdio_reg.wr_fifo_addr, buf, count); sdio_release_host(sdiodev->func); return ret; } int aicwf_sdio_recv_pkt(struct aic_sdio_dev *sdiodev, struct sk_buff *skbbuf, u32 size, u8 msg) { int ret; if ((!skbbuf) || (!size)) { return -EINVAL;; } if(!msg) { sdio_claim_host(sdiodev->func); ret = sdio_readsb(sdiodev->func, skbbuf->data, sdiodev->sdio_reg.rd_fifo_addr, size); sdio_release_host(sdiodev->func); } else { sdio_claim_host(sdiodev->func_msg); ret = sdio_readsb(sdiodev->func_msg, skbbuf->data, sdiodev->sdio_reg.rd_fifo_addr, size); sdio_release_host(sdiodev->func_msg); } if (ret < 0) { return ret; } skbbuf->len = size; return ret; } #if defined(CONFIG_SDIO_PWRCTRL) int aicwf_sdio_wakeup(struct aic_sdio_dev *sdiodev) { int ret = 0; int read_retry; int write_retry = 20; int wakeup_reg_val = 0; if (sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW) { wakeup_reg_val = 1; } else if (sdiodev->chipid == PRODUCT_ID_AIC8800D80) { wakeup_reg_val = 0x11; } if (sdiodev->state == SDIO_SLEEP_ST) { //if (sdiodev->rwnx_hw->vif_started) { down(&sdiodev->pwrctl_wakeup_sema); while (write_retry) { ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.wakeup_reg, wakeup_reg_val); if (ret) { txrx_err("sdio wakeup fail\n"); ret = -1; } else { read_retry = 10; while (read_retry) { u8 val; ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.sleep_reg, &val); if ((ret == 0) && (val & 0x10)) { break; } read_retry--; udelay(200); } if (read_retry != 0) break; } sdio_dbg("write retry: %d \n", write_retry); write_retry--; udelay(100); } up(&sdiodev->pwrctl_wakeup_sema); // } } sdiodev->state = SDIO_ACTIVE_ST; aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration); return ret; } extern u8 dhcped; int aicwf_sdio_sleep_allow(struct aic_sdio_dev *sdiodev) { int ret = 0; struct aicwf_bus *bus_if = sdiodev->bus_if; if (bus_if->state == BUS_DOWN_ST) { ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.sleep_reg, 0x10); if (ret) { sdio_err("Write sleep fail!\n"); } aicwf_sdio_pwrctl_timer(sdiodev, 0); return ret; } if (sdiodev->state == SDIO_ACTIVE_ST) { { sdio_dbg("s\n"); ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.sleep_reg, 0x10); if (ret) sdio_err("Write sleep fail!\n"); } sdiodev->state = SDIO_SLEEP_ST; aicwf_sdio_pwrctl_timer(sdiodev, 0); } else { aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration); } return ret; } int aicwf_sdio_pwr_stctl(struct aic_sdio_dev *sdiodev, uint target) { int ret = 0; if (sdiodev->bus_if->state == BUS_DOWN_ST) { return -1; } if (sdiodev->state == target) { if (target == SDIO_ACTIVE_ST) { aicwf_sdio_pwrctl_timer(sdiodev, sdiodev->active_duration); } return ret; } switch (target) { case SDIO_ACTIVE_ST: aicwf_sdio_wakeup(sdiodev); break; case SDIO_SLEEP_ST: aicwf_sdio_sleep_allow(sdiodev); break; } return ret; } #endif int aicwf_sdio_txpkt(struct aic_sdio_dev *sdiodev, struct sk_buff *pkt) { int ret = 0; u8 *frame; u32 len = 0; struct aicwf_bus *bus_if = dev_get_drvdata(sdiodev->dev); if (bus_if->state == BUS_DOWN_ST) { sdio_dbg("tx bus is down!\n"); return -EINVAL; } frame = (u8 *) (pkt->data); len = pkt->len; len = (len + SDIOWIFI_FUNC_BLOCKSIZE - 1) / SDIOWIFI_FUNC_BLOCKSIZE * SDIOWIFI_FUNC_BLOCKSIZE; ret = aicwf_sdio_send_pkt(sdiodev, pkt->data, len); if (ret) sdio_err("aicwf_sdio_send_pkt fail%d\n", ret); return ret; } static int aicwf_sdio_intr_get_len_bytemode(struct aic_sdio_dev *sdiodev, u8 *byte_len) { int ret = 0; if (!byte_len) return -EBADE; if (sdiodev->bus_if->state == BUS_DOWN_ST) { *byte_len = 0; } else { ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.bytemode_len_reg, byte_len); sdiodev->rx_priv->data_len = (*byte_len)*4; } return ret; } static void aicwf_sdio_bus_stop(struct device *dev) { struct aicwf_bus *bus_if = aicbsp_get_drvdata(dev); struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio; int ret; #if defined(CONFIG_SDIO_PWRCTRL) aicwf_sdio_pwrctl_timer(sdiodev, 0); sdio_dbg("%s\n", __func__); if (sdiodev->pwrctl_tsk) { complete_all(&sdiodev->pwrctrl_trgg); kthread_stop(sdiodev->pwrctl_tsk); sdiodev->pwrctl_tsk = NULL; } #endif bus_if->state = BUS_DOWN_ST; ret = down_interruptible(&sdiodev->tx_priv->txctl_sema); if (ret) sdio_err("down txctl_sema fail\n"); #if defined(CONFIG_SDIO_PWRCTRL) aicwf_sdio_pwr_stctl(sdiodev, SDIO_SLEEP_ST); #endif if (!ret) up(&sdiodev->tx_priv->txctl_sema); aicwf_frame_queue_flush(&sdiodev->tx_priv->txq); } struct sk_buff *aicwf_sdio_readframes(struct aic_sdio_dev *sdiodev, u8 msg) { int ret = 0; u32 size = 0; struct sk_buff *skb = NULL; struct aicwf_bus *bus_if = dev_get_drvdata(sdiodev->dev); if (bus_if->state == BUS_DOWN_ST) { sdio_dbg("bus down\n"); return NULL; } size = sdiodev->rx_priv->data_len; skb = __dev_alloc_skb(size, GFP_KERNEL); if (!skb) { return NULL; } ret = aicwf_sdio_recv_pkt(sdiodev, skb, size, msg); if (ret) { dev_kfree_skb(skb); skb = NULL; } return skb; } static int aicwf_sdio_tx_msg(struct aic_sdio_dev *sdiodev) { int err = 0; u16 len; u8 *payload = sdiodev->tx_priv->cmd_buf; u16 payload_len = sdiodev->tx_priv->cmd_len; u8 adjust_str[4] = {0, 0, 0, 0}; int adjust_len = 0; int buffer_cnt = 0; u8 retry = 0; len = payload_len; if ((len % TX_ALIGNMENT) != 0) { adjust_len = roundup(len, TX_ALIGNMENT); memcpy(payload+payload_len, adjust_str, (adjust_len - len)); payload_len += (adjust_len - len); } len = payload_len; //link tail is necessary if ((len % SDIOWIFI_FUNC_BLOCKSIZE) != 0) { memset(payload+payload_len, 0, TAIL_LEN); payload_len += TAIL_LEN; len = (payload_len/SDIOWIFI_FUNC_BLOCKSIZE + 1) * SDIOWIFI_FUNC_BLOCKSIZE; } else len = payload_len; if(sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800D80){ buffer_cnt = aicwf_sdio_flow_ctrl(sdiodev); while ((buffer_cnt <= 0 || (buffer_cnt > 0 && len > (buffer_cnt * BUFFER_SIZE))) && retry < 10) { retry++; buffer_cnt = aicwf_sdio_flow_ctrl(sdiodev); printk("buffer_cnt = %d\n", buffer_cnt); } } down(&sdiodev->tx_priv->cmd_txsema); if(sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800D80){ if (buffer_cnt > 0 && len < (buffer_cnt * BUFFER_SIZE)) { err = aicwf_sdio_send_pkt(sdiodev, payload, len); if (err) { sdio_err("aicwf_sdio_send_pkt fail%d\n", err); } } else { sdio_err("tx msg fc retry fail:%d, %d\n", buffer_cnt, len); up(&sdiodev->tx_priv->cmd_txsema); return -1; } }else if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ err = aicwf_sdio_send_msg(sdiodev, payload, len); if (err) { sdio_err("aicwf_sdio_send_pkt fail%d\n", err); } } else { sdio_err("tx msg fc retry fail:%d, %d\n", buffer_cnt, len); up(&sdiodev->tx_priv->cmd_txsema); return -1; } sdiodev->tx_priv->cmd_txstate = false; if (!err) sdiodev->tx_priv->cmd_tx_succ = true; else sdiodev->tx_priv->cmd_tx_succ = false; up(&sdiodev->tx_priv->cmd_txsema); return err; } static void aicwf_sdio_tx_process(struct aic_sdio_dev *sdiodev) { int err = 0; if (sdiodev->bus_if->state == BUS_DOWN_ST) { sdio_err("Bus is down\n"); return; } #if defined(CONFIG_SDIO_PWRCTRL) aicwf_sdio_pwr_stctl(sdiodev, SDIO_ACTIVE_ST); #endif //config sdio_info("send cmd\n"); if (sdiodev->tx_priv->cmd_txstate) { if (down_interruptible(&sdiodev->tx_priv->txctl_sema)) { txrx_err("txctl down bus->txctl_sema fail\n"); return; } if (sdiodev->state != SDIO_ACTIVE_ST) { txrx_err("state err\n"); up(&sdiodev->tx_priv->txctl_sema); txrx_err("txctl up bus->txctl_sema fail\n"); return; } err = aicwf_sdio_tx_msg(sdiodev); up(&sdiodev->tx_priv->txctl_sema); if (waitqueue_active(&sdiodev->tx_priv->cmd_txdone_wait)) wake_up(&sdiodev->tx_priv->cmd_txdone_wait); } //data sdio_info("send data\n"); if (down_interruptible(&sdiodev->tx_priv->txctl_sema)) { txrx_err("txdata down bus->txctl_sema\n"); return; } if (sdiodev->state != SDIO_ACTIVE_ST) { txrx_err("sdio state err\n"); up(&sdiodev->tx_priv->txctl_sema); return; } if(!aicwf_is_framequeue_empty(&sdiodev->tx_priv->txq)) sdiodev->tx_priv->fw_avail_bufcnt = aicwf_sdio_flow_ctrl(sdiodev); while (!aicwf_is_framequeue_empty(&sdiodev->tx_priv->txq)) { aicwf_sdio_send(sdiodev->tx_priv); if (sdiodev->tx_priv->cmd_txstate) break; } up(&sdiodev->tx_priv->txctl_sema); } static int aicwf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt) { uint prio; int ret = -EBADE; struct aicwf_bus *bus_if = dev_get_drvdata(dev); struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio; prio = (pkt->priority & 0x7); spin_lock_bh(&sdiodev->tx_priv->txqlock); if (!aicwf_frame_enq(sdiodev->dev, &sdiodev->tx_priv->txq, pkt, prio)) { spin_unlock_bh(&sdiodev->tx_priv->txqlock); return -ENOSR; } else { ret = 0; } if (bus_if->state != BUS_UP_ST) { sdio_err("bus_if stopped\n"); spin_unlock_bh(&sdiodev->tx_priv->txqlock); return -1; } atomic_inc(&sdiodev->tx_priv->tx_pktcnt); spin_unlock_bh(&sdiodev->tx_priv->txqlock); complete(&bus_if->bustx_trgg); return ret; } static int aicwf_sdio_bus_txmsg(struct device *dev, u8 *msg, uint msglen) { int ret = -1; struct aicwf_bus *bus_if = dev_get_drvdata(dev); struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio; down(&sdiodev->tx_priv->cmd_txsema); sdiodev->tx_priv->cmd_txstate = true; sdiodev->tx_priv->cmd_tx_succ = false; sdiodev->tx_priv->cmd_buf = msg; sdiodev->tx_priv->cmd_len = msglen; up(&sdiodev->tx_priv->cmd_txsema); if (bus_if->state != BUS_UP_ST) { sdio_err("bus has stop\n"); return -1; } complete(&bus_if->bustx_trgg); if (sdiodev->tx_priv->cmd_txstate) { int timeout = msecs_to_jiffies(CMD_TX_TIMEOUT); ret = wait_event_timeout(sdiodev->tx_priv->cmd_txdone_wait, \ !(sdiodev->tx_priv->cmd_txstate), timeout); } if (!sdiodev->tx_priv->cmd_txstate && sdiodev->tx_priv->cmd_tx_succ) { ret = 0; } else { sdio_err("send faild:%d, %d,%x\n", sdiodev->tx_priv->cmd_txstate, sdiodev->tx_priv->cmd_tx_succ, ret); ret = -EIO; } return ret; } int aicwf_sdio_send(struct aicwf_tx_priv *tx_priv) { struct sk_buff *pkt; struct aic_sdio_dev *sdiodev = tx_priv->sdiodev; u16 aggr_len = 0; int retry_times = 0; int max_retry_times = 5; aggr_len = (tx_priv->tail - tx_priv->head); if (((atomic_read(&tx_priv->aggr_count) == 0) && (aggr_len != 0)) || ((atomic_read(&tx_priv->aggr_count) != 0) && (aggr_len == 0))) { if (aggr_len > 0) aicwf_sdio_aggrbuf_reset(tx_priv); goto done; } if (tx_priv->fw_avail_bufcnt <= 0) { //flow control failed tx_priv->fw_avail_bufcnt = aicwf_sdio_flow_ctrl(sdiodev); while (tx_priv->fw_avail_bufcnt <= 0 && retry_times < max_retry_times) { retry_times++; tx_priv->fw_avail_bufcnt = aicwf_sdio_flow_ctrl(sdiodev); } if (tx_priv->fw_avail_bufcnt <= 0) { sdio_err("fc retry %d fail\n", tx_priv->fw_avail_bufcnt); goto done; } } if (atomic_read(&tx_priv->aggr_count) == tx_priv->fw_avail_bufcnt) { if (atomic_read(&tx_priv->aggr_count) > 0) { tx_priv->fw_avail_bufcnt -= atomic_read(&tx_priv->aggr_count); aicwf_sdio_aggr_send(tx_priv); //send and check the next pkt; } } else { spin_lock_bh(&sdiodev->tx_priv->txqlock); pkt = aicwf_frame_dequeue(&sdiodev->tx_priv->txq); if (pkt == NULL) { sdio_err("txq no pkt\n"); spin_unlock_bh(&sdiodev->tx_priv->txqlock); goto done; } atomic_dec(&sdiodev->tx_priv->tx_pktcnt); spin_unlock_bh(&sdiodev->tx_priv->txqlock); if (tx_priv == NULL || tx_priv->tail == NULL || pkt == NULL) txrx_err("null error\n"); if (aicwf_sdio_aggr(tx_priv, pkt)) { aicwf_sdio_aggrbuf_reset(tx_priv); sdio_err("add aggr pkts failed!\n"); goto done; } //when aggr finish or there is cmd to send, just send this aggr pkt to fw if ((int)atomic_read(&sdiodev->tx_priv->tx_pktcnt) == 0 || sdiodev->tx_priv->cmd_txstate) { //no more pkt send it! tx_priv->fw_avail_bufcnt -= atomic_read(&tx_priv->aggr_count); aicwf_sdio_aggr_send(tx_priv); } else goto done; } done: return 0; } int aicwf_sdio_aggr(struct aicwf_tx_priv *tx_priv, struct sk_buff *pkt) { //struct rwnx_txhdr *txhdr = (struct rwnx_txhdr *)pkt->data; u8 *start_ptr = tx_priv->tail; u8 sdio_header[4]; u8 adjust_str[4] = {0, 0, 0, 0}; u16 curr_len = 0; int allign_len = 0; //sdio_header[0] =((pkt->len - sizeof(struct rwnx_txhdr) + sizeof(struct txdesc_api)) & 0xff); //sdio_header[1] =(((pkt->len - sizeof(struct rwnx_txhdr) + sizeof(struct txdesc_api)) >> 8)&0x0f); sdio_header[2] = 0x01; //data if (tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8801 || tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DC || tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DW) sdio_header[3] = 0; //reserved else if (tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800D80) sdio_header[3] = crc8_ponl_107(&sdio_header[0], 3); // crc8 memcpy(tx_priv->tail, (u8 *)&sdio_header, sizeof(sdio_header)); tx_priv->tail += sizeof(sdio_header); //payload //memcpy(tx_priv->tail, (u8 *)(long)&txhdr->sw_hdr->desc, sizeof(struct txdesc_api)); //tx_priv->tail += sizeof(struct txdesc_api); //hostdesc //memcpy(tx_priv->tail, (u8 *)((u8 *)txhdr + txhdr->sw_hdr->headroom), pkt->len-txhdr->sw_hdr->headroom); //tx_priv->tail += (pkt->len - txhdr->sw_hdr->headroom); //word alignment curr_len = tx_priv->tail - tx_priv->head; if (curr_len & (TX_ALIGNMENT - 1)) { allign_len = roundup(curr_len, TX_ALIGNMENT)-curr_len; memcpy(tx_priv->tail, adjust_str, allign_len); tx_priv->tail += allign_len; } if (tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8801 || tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DC || tx_priv->sdiodev->chipid == PRODUCT_ID_AIC8800DW) { start_ptr[0] = ((tx_priv->tail - start_ptr - 4) & 0xff); start_ptr[1] = (((tx_priv->tail - start_ptr - 4)>>8) & 0x0f); } tx_priv->aggr_buf->dev = pkt->dev; #if 0 if (!txhdr->sw_hdr->need_cfm) { kmem_cache_free(txhdr->sw_hdr->rwnx_vif->rwnx_hw->sw_txhdr_cache, txhdr->sw_hdr); skb_pull(pkt, txhdr->sw_hdr->headroom); consume_skb(pkt); } #endif consume_skb(pkt); atomic_inc(&tx_priv->aggr_count); return 0; } void aicwf_sdio_aggr_send(struct aicwf_tx_priv *tx_priv) { struct sk_buff *tx_buf = tx_priv->aggr_buf; int ret = 0; int curr_len = 0; //link tail is necessary curr_len = tx_priv->tail - tx_priv->head; if ((curr_len % TXPKT_BLOCKSIZE) != 0) { memset(tx_priv->tail, 0, TAIL_LEN); tx_priv->tail += TAIL_LEN; } tx_buf->len = tx_priv->tail - tx_priv->head; ret = aicwf_sdio_txpkt(tx_priv->sdiodev, tx_buf); if (ret < 0) { sdio_err("fail to send aggr pkt!\n"); } aicwf_sdio_aggrbuf_reset(tx_priv); } void aicwf_sdio_aggrbuf_reset(struct aicwf_tx_priv *tx_priv) { struct sk_buff *aggr_buf = tx_priv->aggr_buf; tx_priv->tail = tx_priv->head; aggr_buf->len = 0; atomic_set(&tx_priv->aggr_count, 0); } static int aicwf_sdio_bus_start(struct device *dev) { struct aicwf_bus *bus_if = dev_get_drvdata(dev); struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio; int ret = 0; if(sdiodev->chipid == PRODUCT_ID_AIC8801){ sdio_claim_host(sdiodev->func); sdio_claim_irq(sdiodev->func, aicwf_sdio_hal_irqhandler); //enable sdio interrupt ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x07); if (ret != 0) sdio_err("intr register failed:%d\n", ret); sdio_release_host(sdiodev->func); }else if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ sdio_claim_host(sdiodev->func); //since we have func2 we don't register irq handler sdio_claim_irq(sdiodev->func, NULL); sdio_claim_irq(sdiodev->func_msg, NULL); sdiodev->func->irq_handler = (sdio_irq_handler_t *)aicwf_sdio_hal_irqhandler; sdiodev->func_msg->irq_handler = (sdio_irq_handler_t *)aicwf_sdio_hal_irqhandler_func2; sdio_release_host(sdiodev->func); //enable sdio interrupt ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x07); if (ret != 0) sdio_err("intr register failed:%d\n", ret); //enable sdio interrupt ret = aicwf_sdio_writeb_func2(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x07); if (ret != 0) sdio_err("func2 intr register failed:%d\n", ret); }else if(sdiodev->chipid == PRODUCT_ID_AIC8800D80){ sdio_claim_host(sdiodev->func); sdio_claim_irq(sdiodev->func, aicwf_sdio_hal_irqhandler); sdio_f0_writeb(sdiodev->func, 0x07, 0x04, &ret); if (ret) { sdio_err("set func0 int en fail %d\n", ret); } sdio_release_host(sdiodev->func); //enable sdio interrupt ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x07); if (ret != 0) sdio_err("intr register failed:%d\n", ret); } bus_if->state = BUS_UP_ST; return ret; } int aicwf_sdio_bustx_thread(void *data) { struct aicwf_bus *bus = (struct aicwf_bus *) data; struct aic_sdio_dev *sdiodev = bus->bus_priv.sdio; while (1) { if (kthread_should_stop()) { sdio_err("sdio bustx thread stop\n"); break; } if (!wait_for_completion_interruptible(&bus->bustx_trgg)) { if ((int)(atomic_read(&sdiodev->tx_priv->tx_pktcnt) > 0) || (sdiodev->tx_priv->cmd_txstate == true)) aicwf_sdio_tx_process(sdiodev); } } return 0; } int aicwf_sdio_busrx_thread(void *data) { struct aicwf_rx_priv *rx_priv = (struct aicwf_rx_priv *)data; struct aicwf_bus *bus_if = rx_priv->sdiodev->bus_if; while (1) { if (kthread_should_stop()) { sdio_err("sdio busrx thread stop\n"); break; } if (!wait_for_completion_interruptible(&bus_if->busrx_trgg)) { aicwf_process_rxframes(rx_priv); } } return 0; } #if defined(CONFIG_SDIO_PWRCTRL) #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) static void aicwf_sdio_bus_pwrctl(struct timer_list *t) { struct aic_sdio_dev *sdiodev = from_timer(sdiodev, t, timer); #else static void aicwf_sdio_bus_pwrctl(ulong data) { struct aic_sdio_dev *sdiodev = (struct aic_sdio_dev *) data; #endif if (sdiodev->bus_if->state == BUS_DOWN_ST) { sdio_err("bus down\n"); return; } if (sdiodev->pwrctl_tsk) { complete(&sdiodev->pwrctrl_trgg); } } #endif static void aicwf_sdio_enq_rxpkt(struct aic_sdio_dev *sdiodev, struct sk_buff *pkt) { struct aicwf_rx_priv *rx_priv = sdiodev->rx_priv; unsigned long flags = 0; spin_lock_irqsave(&rx_priv->rxqlock, flags); if (!aicwf_rxframe_enqueue(sdiodev->dev, &rx_priv->rxq, pkt)) { spin_unlock_irqrestore(&rx_priv->rxqlock, flags); aicwf_dev_skb_free(pkt); return; } spin_unlock_irqrestore(&rx_priv->rxqlock, flags); atomic_inc(&rx_priv->rx_cnt); } #define SDIO_OTHER_INTERRUPT (0x1ul << 7) void aicwf_sdio_hal_irqhandler(struct sdio_func *func) { struct aicwf_bus *bus_if = dev_get_drvdata(&func->dev); struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio; u8 intstatus = 0; u8 byte_len = 0; struct sk_buff *pkt = NULL; int ret; //AICWFDBG(LOGDEBUG,"%s bsp enter \r\n", __func__); if(aicbsp_sdiodev->sdio_hal_irqhandler){ aicbsp_sdiodev->sdio_hal_irqhandler(func); return; } if (!bus_if || bus_if->state == BUS_DOWN_ST) { sdio_err("bus err\n"); return; } if (sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW) { ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.block_cnt_reg, &intstatus); while(intstatus){ sdiodev->rx_priv->data_len = intstatus * SDIOWIFI_FUNC_BLOCKSIZE; if (intstatus > 0) { if(intstatus < 64) { pkt = aicwf_sdio_readframes(sdiodev, 0); } else { aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128 sdio_info("byte mode len=%d\r\n", byte_len); pkt = aicwf_sdio_readframes(sdiodev, 0); } } else { #ifndef CONFIG_PLATFORM_ALLWINNER sdio_err("Interrupt but no data\n"); #endif } if (pkt) aicwf_sdio_enq_rxpkt(sdiodev, pkt); ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.block_cnt_reg, &intstatus); } }else if (sdiodev->chipid == PRODUCT_ID_AIC8800D80) { do { ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.misc_int_status_reg, &intstatus); if (!ret) { break; } sdio_err("ret=%d, intstatus=%x\r\n",ret, intstatus); } while (1); if (intstatus & SDIO_OTHER_INTERRUPT) { u8 int_pending; ret = aicwf_sdio_readb(sdiodev, sdiodev->sdio_reg.sleep_reg, &int_pending); if (ret < 0) { sdio_err("reg:%d read failed!\n", sdiodev->sdio_reg.sleep_reg); } int_pending &= ~0x01; // dev to host soft irq ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.sleep_reg, int_pending); if (ret < 0) { sdio_err("reg:%d write failed!\n", sdiodev->sdio_reg.sleep_reg); } } if (intstatus > 0) { uint8_t intmaskf2 = intstatus | (0x1UL << 3); if (intmaskf2 > 120U) { // func2 if (intmaskf2 == 127U) { // byte mode //aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len, 1);//byte_len must<= 128 aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128 sdio_info("byte mode len=%d\r\n", byte_len); pkt = aicwf_sdio_readframes(sdiodev, 1); } else { // block mode sdiodev->rx_priv->data_len = (intstatus & 0x7U) * SDIOWIFI_FUNC_BLOCKSIZE; pkt = aicwf_sdio_readframes(sdiodev, 1); } } else { // func1 if (intstatus == 120U) { // byte mode //aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len, 0);//byte_len must<= 128 aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128 sdio_info("byte mode len=%d\r\n", byte_len); pkt = aicwf_sdio_readframes(sdiodev, 0); } else { // block mode sdiodev->rx_priv->data_len = (intstatus & 0x7FU) * SDIOWIFI_FUNC_BLOCKSIZE; pkt = aicwf_sdio_readframes(sdiodev, 0); } } } else { #ifndef CONFIG_PLATFORM_ALLWINNER sdio_err("Interrupt but no data\n"); #endif } if (pkt) aicwf_sdio_enq_rxpkt(sdiodev, pkt); } complete(&bus_if->busrx_trgg); } void aicwf_sdio_hal_irqhandler_func2(struct sdio_func *func) { struct aicwf_bus *bus_if = dev_get_drvdata(&func->dev); struct aic_sdio_dev *sdiodev = bus_if->bus_priv.sdio; u8 intstatus = 0; u8 byte_len = 0; #ifdef CONFIG_PREALLOC_RX_SKB struct rx_buff *pkt = NULL; #else struct sk_buff *pkt = NULL; #endif int ret; if (!bus_if || bus_if->state == BUS_DOWN_ST) { sdio_err("bus err\n"); return; } #ifdef CONFIG_PREALLOC_RX_SKB if (list_empty(&aic_rx_buff_list.rxbuff_list)) { printk("%s %d, rxbuff list is empty\n", __func__, __LINE__); return; } #endif ret = aicwf_sdio_readb_func2(sdiodev, sdiodev->sdio_reg.block_cnt_reg, &intstatus); while(intstatus) { sdiodev->rx_priv->data_len = intstatus * SDIOWIFI_FUNC_BLOCKSIZE; if (intstatus > 0) { if(intstatus < 64) { pkt = aicwf_sdio_readframes(sdiodev,1); } else { sdio_info("byte mode len=%d\r\n", byte_len); aicwf_sdio_intr_get_len_bytemode(sdiodev, &byte_len);//byte_len must<= 128 pkt = aicwf_sdio_readframes(sdiodev,1); } } else { #ifndef CONFIG_PLATFORM_ALLWINNER sdio_err("Interrupt but no data\n"); #endif } if (pkt){ aicwf_sdio_enq_rxpkt(sdiodev, pkt); } ret = aicwf_sdio_readb_func2(sdiodev, sdiodev->sdio_reg.block_cnt_reg, &intstatus); } complete(&bus_if->busrx_trgg); } #if defined(CONFIG_SDIO_PWRCTRL) void aicwf_sdio_pwrctl_timer(struct aic_sdio_dev *sdiodev, uint duration) { uint timeout; if (sdiodev->bus_if->state == BUS_DOWN_ST && duration) return; spin_lock_bh(&sdiodev->pwrctl_lock); if (!duration) { if (timer_pending(&sdiodev->timer)) del_timer_sync(&sdiodev->timer); } else { sdiodev->active_duration = duration; timeout = msecs_to_jiffies(sdiodev->active_duration); mod_timer(&sdiodev->timer, jiffies + timeout); } spin_unlock_bh(&sdiodev->pwrctl_lock); } #endif static struct aicwf_bus_ops aicwf_sdio_bus_ops = { .stop = aicwf_sdio_bus_stop, .start = aicwf_sdio_bus_start, .txdata = aicwf_sdio_bus_txdata, .txmsg = aicwf_sdio_bus_txmsg, }; void aicwf_sdio_release_func2(struct aic_sdio_dev *sdiodev) { int ret = 0; sdio_dbg("%s\n", __func__); sdio_claim_host(sdiodev->func_msg); //disable sdio interrupt ret = aicwf_sdio_writeb_func2(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x0); if (ret < 0) { sdio_err("reg:%d write failed!\n", sdiodev->sdio_reg.intr_config_reg); } sdio_release_irq(sdiodev->func_msg); sdio_release_host(sdiodev->func_msg); } void aicwf_sdio_release(struct aic_sdio_dev *sdiodev) { struct aicwf_bus *bus_if; int ret = 0; sdio_dbg("%s\n", __func__); bus_if = aicbsp_get_drvdata(sdiodev->dev); bus_if->state = BUS_DOWN_ST; sdio_claim_host(sdiodev->func); //disable sdio interrupt ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.intr_config_reg, 0x0); if (ret < 0) { sdio_err("reg:%d write failed!, ret=%d\n", sdiodev->sdio_reg.intr_config_reg, ret); } sdio_release_irq(sdiodev->func); sdio_release_host(sdiodev->func); if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ aicwf_sdio_release_func2(sdiodev); } if (sdiodev->dev) aicwf_bus_deinit(sdiodev->dev); if (sdiodev->tx_priv) aicwf_tx_deinit(sdiodev->tx_priv); if (sdiodev->rx_priv) aicwf_rx_deinit(sdiodev->rx_priv); rwnx_cmd_mgr_deinit(&sdiodev->cmd_mgr); } void aicwf_sdio_reg_init(struct aic_sdio_dev *sdiodev) { sdio_dbg("%s\n", __func__); if(sdiodev->chipid == PRODUCT_ID_AIC8801 || sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ sdiodev->sdio_reg.bytemode_len_reg = SDIOWIFI_BYTEMODE_LEN_REG; sdiodev->sdio_reg.intr_config_reg = SDIOWIFI_INTR_CONFIG_REG; sdiodev->sdio_reg.sleep_reg = SDIOWIFI_SLEEP_REG; sdiodev->sdio_reg.wakeup_reg = SDIOWIFI_WAKEUP_REG; sdiodev->sdio_reg.flow_ctrl_reg = SDIOWIFI_FLOW_CTRL_REG; sdiodev->sdio_reg.register_block = SDIOWIFI_REGISTER_BLOCK; sdiodev->sdio_reg.bytemode_enable_reg = SDIOWIFI_BYTEMODE_ENABLE_REG; sdiodev->sdio_reg.block_cnt_reg = SDIOWIFI_BLOCK_CNT_REG; sdiodev->sdio_reg.rd_fifo_addr = SDIOWIFI_RD_FIFO_ADDR; sdiodev->sdio_reg.wr_fifo_addr = SDIOWIFI_WR_FIFO_ADDR; } else if (sdiodev->chipid == PRODUCT_ID_AIC8800D80){ sdiodev->sdio_reg.bytemode_len_reg = SDIOWIFI_BYTEMODE_LEN_REG_V3; sdiodev->sdio_reg.intr_config_reg = SDIOWIFI_INTR_ENABLE_REG_V3; sdiodev->sdio_reg.sleep_reg = SDIOWIFI_INTR_PENDING_REG_V3; sdiodev->sdio_reg.wakeup_reg = SDIOWIFI_INTR_TO_DEVICE_REG_V3; sdiodev->sdio_reg.flow_ctrl_reg = SDIOWIFI_FLOW_CTRL_Q1_REG_V3; sdiodev->sdio_reg.bytemode_enable_reg = SDIOWIFI_BYTEMODE_ENABLE_REG_V3; sdiodev->sdio_reg.misc_int_status_reg = SDIOWIFI_MISC_INT_STATUS_REG_V3; sdiodev->sdio_reg.rd_fifo_addr = SDIOWIFI_RD_FIFO_ADDR_V3; sdiodev->sdio_reg.wr_fifo_addr = SDIOWIFI_WR_FIFO_ADDR_V3; } } int aicwf_sdio_func_init(struct aic_sdio_dev *sdiodev) { struct mmc_host *host; u8 block_bit0 = 0x1; u8 byte_mode_disable = 0x1;//1: no byte mode int ret = 0; struct aicbsp_feature_t feature; aicbsp_get_feature(&feature, NULL); aicwf_sdio_reg_init(sdiodev); host = sdiodev->func->card->host; sdio_claim_host(sdiodev->func); #if 0//SDIO PHASE SETTING sdiodev->func->card->quirks |= MMC_QUIRK_LENIENT_FN0; sdio_f0_writeb(sdiodev->func, feature.sdio_phase, 0x13, &ret); if (ret < 0) { sdio_err("write func0 fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } #endif ret = sdio_set_block_size(sdiodev->func, SDIOWIFI_FUNC_BLOCKSIZE); if (ret < 0) { sdio_err("set blocksize fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } ret = sdio_enable_func(sdiodev->func); if (ret < 0) { sdio_err("enable func fail %d.\n", ret); sdio_release_host(sdiodev->func); return ret; } udelay(100); #if 1//SDIO CLOCK SETTING if (feature.sdio_clock > 0) { host->ios.clock = feature.sdio_clock; host->ops->set_ios(host, &host->ios); sdio_dbg("Set SDIO Clock %d MHz\n", host->ios.clock/1000000); } #endif sdio_release_host(sdiodev->func); if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ sdio_claim_host(sdiodev->func_msg); //set sdio blocksize ret = sdio_set_block_size(sdiodev->func_msg, SDIOWIFI_FUNC_BLOCKSIZE); if (ret < 0) { AICWFDBG(LOGERROR, "set func2 blocksize fail %d\n", ret); sdio_release_host(sdiodev->func_msg); return ret; } //set sdio enable func ret = sdio_enable_func(sdiodev->func_msg); if (ret < 0) { AICWFDBG(LOGERROR, "enable func2 fail %d.\n", ret); } sdio_release_host(sdiodev->func_msg); ret = aicwf_sdio_writeb_func2(sdiodev, sdiodev->sdio_reg.register_block, block_bit0); if (ret < 0) { AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.register_block); return ret; } //1: no byte mode ret = aicwf_sdio_writeb_func2(sdiodev, sdiodev->sdio_reg.bytemode_enable_reg, byte_mode_disable); if (ret < 0) { AICWFDBG(LOGERROR, "reg:%d write failed!\n", sdiodev->sdio_reg.bytemode_enable_reg); return ret; } } ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.register_block, block_bit0); if (ret < 0) { sdio_err("reg:%d write failed!\n", sdiodev->sdio_reg.register_block); return ret; } //1: no byte mode ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.bytemode_enable_reg, byte_mode_disable); if (ret < 0) { sdio_err("reg:%d write failed!\n", sdiodev->sdio_reg.bytemode_enable_reg); return ret; } return ret; } int aicwf_sdiov3_func_init(struct aic_sdio_dev *sdiodev) { struct mmc_host *host; u8 byte_mode_disable = 0x1;//1: no byte mode int ret = 0; //u8 val; struct aicbsp_feature_t feature; aicbsp_get_feature(&feature, NULL); aicwf_sdio_reg_init(sdiodev); host = sdiodev->func->card->host; sdio_claim_host(sdiodev->func); sdiodev->func->card->quirks |= MMC_QUIRK_LENIENT_FN0; ret = sdio_set_block_size(sdiodev->func, SDIOWIFI_FUNC_BLOCKSIZE); if (ret < 0) { sdio_err("set blocksize fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } ret = sdio_enable_func(sdiodev->func); if (ret < 0) { sdio_err("enable func fail %d.\n", ret); sdio_release_host(sdiodev->func); return ret; } sdio_f0_writeb(sdiodev->func, 0x7F, 0xF2, &ret); if (ret) { sdio_err("set fn0 0xF2 fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } #if 0 if (host->ios.timing == MMC_TIMING_UHS_DDR50) { val = 0x21;//0x1D;//0x5; } else { val = 0x01;//0x19;//0x1; } val |= SDIOCLK_FREE_RUNNING_BIT; sdio_f0_writeb(sdiodev->func, val, 0xF0, &ret); if (ret) { sdio_err("set iopad ctrl fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } sdio_f0_writeb(sdiodev->func, 0x0, 0xF8, &ret); if (ret) { sdio_err("set iopad delay2 fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } sdio_f0_writeb(sdiodev->func, 0x40, 0xF1, &ret); if (ret) { sdio_err("set iopad delay1 fail %d\n", ret); sdio_release_host(sdiodev->func); return ret; } msleep(1); #if 1//SDIO CLOCK SETTING if ((feature.sdio_clock > 0) && (host->ios.timing != MMC_TIMING_UHS_DDR50)) { host->ios.clock = feature.sdio_clock; host->ops->set_ios(host, &host->ios); sdio_dbg("Set SDIO Clock %d MHz\n", host->ios.clock/1000000); } #endif #endif sdio_release_host(sdiodev->func); //1: no byte mode ret = aicwf_sdio_writeb(sdiodev, sdiodev->sdio_reg.bytemode_enable_reg, byte_mode_disable); if (ret < 0) { sdio_err("reg:%d write failed!\n", sdiodev->sdio_reg.bytemode_enable_reg); return ret; } return ret; } void aicwf_sdio_func_deinit(struct aic_sdio_dev *sdiodev) { sdio_claim_host(sdiodev->func); sdio_disable_func(sdiodev->func); sdio_release_host(sdiodev->func); if(sdiodev->chipid == PRODUCT_ID_AIC8800DC || sdiodev->chipid == PRODUCT_ID_AIC8800DW){ sdio_claim_host(sdiodev->func_msg); sdio_disable_func(sdiodev->func_msg); sdio_release_host(sdiodev->func_msg); } } void *aicwf_sdio_bus_init(struct aic_sdio_dev *sdiodev) { int ret; struct aicwf_bus *bus_if; struct aicwf_rx_priv *rx_priv; struct aicwf_tx_priv *tx_priv; #if defined(CONFIG_SDIO_PWRCTRL) spin_lock_init(&sdiodev->pwrctl_lock); sema_init(&sdiodev->pwrctl_wakeup_sema, 1); #endif bus_if = sdiodev->bus_if; bus_if->dev = sdiodev->dev; bus_if->ops = &aicwf_sdio_bus_ops; bus_if->state = BUS_DOWN_ST; #if defined(CONFIG_SDIO_PWRCTRL) sdiodev->state = SDIO_SLEEP_ST; sdiodev->active_duration = SDIOWIFI_PWR_CTRL_INTERVAL; #else sdiodev->state = SDIO_ACTIVE_ST; #endif rx_priv = aicwf_rx_init(sdiodev); if (!rx_priv) { sdio_err("rx init fail\n"); goto fail; } sdiodev->rx_priv = rx_priv; tx_priv = aicwf_tx_init(sdiodev); if (!tx_priv) { sdio_err("tx init fail\n"); goto fail; } sdiodev->tx_priv = tx_priv; aicwf_frame_queue_init(&tx_priv->txq, 8, TXQLEN); spin_lock_init(&tx_priv->txqlock); sema_init(&tx_priv->txctl_sema, 1); sema_init(&tx_priv->cmd_txsema, 1); init_waitqueue_head(&tx_priv->cmd_txdone_wait); atomic_set(&tx_priv->tx_pktcnt, 0); #if defined(CONFIG_SDIO_PWRCTRL) #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) timer_setup(&sdiodev->timer, aicwf_sdio_bus_pwrctl, 0); #else init_timer(&sdiodev->timer); sdiodev->timer.data = (ulong) sdiodev; sdiodev->timer.function = aicwf_sdio_bus_pwrctl; #endif init_completion(&sdiodev->pwrctrl_trgg); #endif ret = aicwf_bus_init(0, sdiodev->dev); if (ret < 0) { sdio_err("bus init fail\n"); goto fail; } ret = aicwf_bus_start(bus_if); if (ret != 0) { sdio_err("bus start fail\n"); goto fail; } return sdiodev; fail: aicwf_sdio_release(sdiodev); return NULL; } void get_fw_path(char* fw_path){ if (strlen(aic_fw_path) > 0) { memcpy(fw_path, aic_fw_path, strlen(aic_fw_path)); }else{ memcpy(fw_path, aic_default_fw_path, strlen(aic_default_fw_path)); } } int get_testmode(void){ return testmode; } struct sdio_func *get_sdio_func(void){ return aicbsp_sdiodev->func; } void set_irq_handler(void *fn){ aicbsp_sdiodev->sdio_hal_irqhandler = (sdio_irq_handler_t *)fn; } uint8_t crc8_ponl_107(uint8_t *p_buffer, uint16_t cal_size) { uint8_t i; uint8_t crc = 0; if (cal_size==0) { return crc; } while (cal_size--) { for (i = 0x80; i > 0; i /= 2) { if (crc & 0x80) { crc *= 2; crc ^= 0x07; //polynomial X8 + X2 + X + 1,(0x107) } else { crc *= 2; } if ((*p_buffer) & i) { crc ^= 0x07; } } p_buffer++; } return crc; } EXPORT_SYMBOL(get_fw_path); EXPORT_SYMBOL(get_testmode); EXPORT_SYMBOL(get_sdio_func); EXPORT_SYMBOL(set_irq_handler);