114 	struct dw_mci_slot *slot = s->private;  in dw_mci_req_show()  local
121 	spin_lock_bh(&slot->host->lock);  in dw_mci_req_show()
122 	mrq = slot->mrq;  in dw_mci_req_show()
147 	spin_unlock_bh(&slot->host->lock);  in dw_mci_req_show()
190 static void dw_mci_init_debugfs(struct dw_mci_slot *slot)  in dw_mci_init_debugfs()  argument
192 	struct mmc_host	*mmc = slot->mmc;  in dw_mci_init_debugfs()
193 	struct dw_mci *host = slot->host;  in dw_mci_init_debugfs()
206 	node = debugfs_create_file("req", S_IRUSR, root, slot,  in dw_mci_init_debugfs()
232 static void mci_send_cmd(struct dw_mci_slot *slot, u32 cmd, u32 arg);
237 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_prepare_command()  local
238 	struct dw_mci *host = slot->host;  in dw_mci_prepare_command()
239 	const struct dw_mci_drv_data *drv_data = slot->host->drv_data;  in dw_mci_prepare_command()
261 		WARN_ON(slot->host->state != STATE_SENDING_CMD);  in dw_mci_prepare_command()
262 		slot->host->state = STATE_SENDING_CMD11;  in dw_mci_prepare_command()
276 		clk_en_a &= ~(SDMMC_CLKEN_LOW_PWR << slot->id);  in dw_mci_prepare_command()
278 		mci_send_cmd(slot, SDMMC_CMD_UPD_CLK |  in dw_mci_prepare_command()
302 		drv_data->prepare_command(slot->host, &cmdr);  in dw_mci_prepare_command()
713 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_pre_req()  local
716 	if (!slot->host->use_dma || !data)  in dw_mci_pre_req()
724 	if (dw_mci_pre_dma_transfer(slot->host, mrq->data, 1) < 0)  in dw_mci_pre_req()
732 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_post_req()  local
735 	if (!slot->host->use_dma || !data)  in dw_mci_post_req()
739 		dma_unmap_sg(slot->host->dev,  in dw_mci_post_req()
935 static void mci_send_cmd(struct dw_mci_slot *slot, u32 cmd, u32 arg)  in mci_send_cmd()  argument
937 	struct dw_mci *host = slot->host;  in mci_send_cmd()
951 	dev_err(&slot->mmc->class_dev,  in mci_send_cmd()
956 static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit)  in dw_mci_setup_bus()  argument
958 	struct dw_mci *host = slot->host;  in dw_mci_setup_bus()
959 	unsigned int clock = slot->clock;  in dw_mci_setup_bus()
970 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
982 		if ((clock << div) != slot->__clk_old || force_clkinit)  in dw_mci_setup_bus()
983 			dev_info(&slot->mmc->class_dev,  in dw_mci_setup_bus()
985 				 slot->id, host->bus_hz, clock,  in dw_mci_setup_bus()
994 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1000 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1003 		clk_en_a = SDMMC_CLKEN_ENABLE << slot->id;  in dw_mci_setup_bus()
1004 		if (!test_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags))  in dw_mci_setup_bus()
1005 			clk_en_a |= SDMMC_CLKEN_LOW_PWR << slot->id;  in dw_mci_setup_bus()
1009 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1012 		slot->__clk_old = clock << div;  in dw_mci_setup_bus()
1018 	mci_writel(host, CTYPE, (slot->ctype << slot->id));  in dw_mci_setup_bus()
1022 				   struct dw_mci_slot *slot,  in __dw_mci_start_request()  argument
1029 	mrq = slot->mrq;  in __dw_mci_start_request()
1031 	host->cur_slot = slot;  in __dw_mci_start_request()
1047 	cmdflags = dw_mci_prepare_command(slot->mmc, cmd);  in __dw_mci_start_request()
1050 	if (test_and_clear_bit(DW_MMC_CARD_NEED_INIT, &slot->flags))  in __dw_mci_start_request()
1081 		host->stop_cmdr = dw_mci_prepare_command(slot->mmc, mrq->stop);  in __dw_mci_start_request()
1087 				 struct dw_mci_slot *slot)  in dw_mci_start_request()  argument
1089 	struct mmc_request *mrq = slot->mrq;  in dw_mci_start_request()
1093 	__dw_mci_start_request(host, slot, cmd);  in dw_mci_start_request()
1097 static void dw_mci_queue_request(struct dw_mci *host, struct dw_mci_slot *slot,  in dw_mci_queue_request()  argument
1100 	dev_vdbg(&slot->mmc->class_dev, "queue request: state=%d\n",  in dw_mci_queue_request()
1103 	slot->mrq = mrq;  in dw_mci_queue_request()
1106 		dev_warn(&slot->mmc->class_dev,  in dw_mci_queue_request()
1118 		dw_mci_start_request(host, slot);  in dw_mci_queue_request()
1120 		list_add_tail(&slot->queue_node, &host->queue);  in dw_mci_queue_request()
1126 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_request()  local
1127 	struct dw_mci *host = slot->host;  in dw_mci_request()
1129 	WARN_ON(slot->mrq);  in dw_mci_request()
1138 	if (!test_bit(DW_MMC_CARD_PRESENT, &slot->flags)) {  in dw_mci_request()
1145 	dw_mci_queue_request(host, slot, mrq);  in dw_mci_request()
1152 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_set_ios()  local
1153 	const struct dw_mci_drv_data *drv_data = slot->host->drv_data;  in dw_mci_set_ios()
1159 		slot->ctype = SDMMC_CTYPE_4BIT;  in dw_mci_set_ios()
1162 		slot->ctype = SDMMC_CTYPE_8BIT;  in dw_mci_set_ios()
1166 		slot->ctype = SDMMC_CTYPE_1BIT;  in dw_mci_set_ios()
1169 	regs = mci_readl(slot->host, UHS_REG);  in dw_mci_set_ios()
1174 		regs |= ((0x1 << slot->id) << 16);  in dw_mci_set_ios()
1176 		regs &= ~((0x1 << slot->id) << 16);  in dw_mci_set_ios()
1178 	mci_writel(slot->host, UHS_REG, regs);  in dw_mci_set_ios()
1179 	slot->host->timing = ios->timing;  in dw_mci_set_ios()
1185 	slot->clock = ios->clock;  in dw_mci_set_ios()
1188 		drv_data->set_ios(slot->host, ios);  in dw_mci_set_ios()
1196 				dev_err(slot->host->dev,  in dw_mci_set_ios()
1202 		set_bit(DW_MMC_CARD_NEED_INIT, &slot->flags);  in dw_mci_set_ios()
1203 		regs = mci_readl(slot->host, PWREN);  in dw_mci_set_ios()
1204 		regs |= (1 << slot->id);  in dw_mci_set_ios()
1205 		mci_writel(slot->host, PWREN, regs);  in dw_mci_set_ios()
1208 		if (!slot->host->vqmmc_enabled) {  in dw_mci_set_ios()
1212 					dev_err(slot->host->dev,  in dw_mci_set_ios()
1215 					slot->host->vqmmc_enabled = true;  in dw_mci_set_ios()
1219 				slot->host->vqmmc_enabled = true;  in dw_mci_set_ios()
1223 			dw_mci_ctrl_reset(slot->host,  in dw_mci_set_ios()
1228 		dw_mci_setup_bus(slot, false);  in dw_mci_set_ios()
1233 		dw_mci_setup_bus(slot, false);  in dw_mci_set_ios()
1238 		if (!IS_ERR(mmc->supply.vqmmc) && slot->host->vqmmc_enabled)  in dw_mci_set_ios()
1240 		slot->host->vqmmc_enabled = false;  in dw_mci_set_ios()
1242 		regs = mci_readl(slot->host, PWREN);  in dw_mci_set_ios()
1243 		regs &= ~(1 << slot->id);  in dw_mci_set_ios()
1244 		mci_writel(slot->host, PWREN, regs);  in dw_mci_set_ios()
1250 	if (slot->host->state == STATE_WAITING_CMD11_DONE && ios->clock != 0)  in dw_mci_set_ios()
1251 		slot->host->state = STATE_IDLE;  in dw_mci_set_ios()
1256 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_card_busy()  local
1263 	status = mci_readl(slot->host, STATUS);  in dw_mci_card_busy()
1270 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_switch_voltage()  local
1271 	struct dw_mci *host = slot->host;  in dw_mci_switch_voltage()
1273 	u32 v18 = SDMMC_UHS_18V << slot->id;  in dw_mci_switch_voltage()
1310 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_get_ro()  local
1314 	if ((slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT) ||  in dw_mci_get_ro()
1315 			(slot->host->quirks & DW_MCI_QUIRK_NO_WRITE_PROTECT))  in dw_mci_get_ro()
1321 			mci_readl(slot->host, WRTPRT) & (1 << slot->id) ? 1 : 0;  in dw_mci_get_ro()
1332 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_get_cd()  local
1333 	struct dw_mci_board *brd = slot->host->pdata;  in dw_mci_get_cd()
1334 	struct dw_mci *host = slot->host;  in dw_mci_get_cd()
1344 		present = (mci_readl(slot->host, CDETECT) & (1 << slot->id))  in dw_mci_get_cd()
1349 		set_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_get_cd()
1352 		clear_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_get_cd()
1362 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_init_card()  local
1363 	struct dw_mci *host = slot->host;  in dw_mci_init_card()
1371 		const u32 clken_low_pwr = SDMMC_CLKEN_LOW_PWR << slot->id;  in dw_mci_init_card()
1379 			set_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);  in dw_mci_init_card()
1382 			clear_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);  in dw_mci_init_card()
1388 			mci_send_cmd(slot, SDMMC_CMD_UPD_CLK |  in dw_mci_init_card()
1396 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_enable_sdio_irq()  local
1397 	struct dw_mci *host = slot->host;  in dw_mci_enable_sdio_irq()
1406 		int_mask |= SDMMC_INT_SDIO(slot->sdio_id);  in dw_mci_enable_sdio_irq()
1408 		int_mask &= ~SDMMC_INT_SDIO(slot->sdio_id);  in dw_mci_enable_sdio_irq()
1416 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_execute_tuning()  local
1417 	struct dw_mci *host = slot->host;  in dw_mci_execute_tuning()
1422 		err = drv_data->execute_tuning(slot);  in dw_mci_execute_tuning()
1428 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_prepare_hs400_tuning()  local
1429 	struct dw_mci *host = slot->host;  in dw_mci_prepare_hs400_tuning()
1457 	struct dw_mci_slot *slot;  in dw_mci_request_end()  local
1465 		slot = list_entry(host->queue.next,  in dw_mci_request_end()
1467 		list_del(&slot->queue_node);  in dw_mci_request_end()
1469 			 mmc_hostname(slot->mmc));  in dw_mci_request_end()
1471 		dw_mci_start_request(host, slot);  in dw_mci_request_end()
2174 		struct dw_mci_slot *slot = host->slot[i];  in dw_mci_handle_cd()  local
2176 		if (!slot)  in dw_mci_handle_cd()
2179 		if (slot->mmc->ops->card_event)  in dw_mci_handle_cd()
2180 			slot->mmc->ops->card_event(slot->mmc);  in dw_mci_handle_cd()
2181 		mmc_detect_change(slot->mmc,  in dw_mci_handle_cd()
2277 			struct dw_mci_slot *slot = host->slot[i];  in dw_mci_interrupt()  local
2279 			if (!slot)  in dw_mci_interrupt()
2282 			if (pending & SDMMC_INT_SDIO(slot->sdio_id)) {  in dw_mci_interrupt()
2284 					   SDMMC_INT_SDIO(slot->sdio_id));  in dw_mci_interrupt()
2285 				mmc_signal_sdio_irq(slot->mmc);  in dw_mci_interrupt()
2317 static struct device_node *dw_mci_of_find_slot_node(struct device *dev, u8 slot)  in dw_mci_of_find_slot_node()  argument
2330 		if (be32_to_cpup(addr) == slot)  in dw_mci_of_find_slot_node()
2346 static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot)  in dw_mci_of_get_slot_quirks()  argument
2348 	struct device_node *np = dw_mci_of_find_slot_node(dev, slot);  in dw_mci_of_get_slot_quirks()
2363 static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot)  in dw_mci_of_get_slot_quirks()  argument
2372 	struct dw_mci_slot *slot;  in dw_mci_init_slot()  local
2381 	slot = mmc_priv(mmc);  in dw_mci_init_slot()
2382 	slot->id = id;  in dw_mci_init_slot()
2383 	slot->sdio_id = host->sdio_id0 + id;  in dw_mci_init_slot()
2384 	slot->mmc = mmc;  in dw_mci_init_slot()
2385 	slot->host = host;  in dw_mci_init_slot()
2386 	host->slot[id] = slot;  in dw_mci_init_slot()
2388 	slot->quirks = dw_mci_of_get_slot_quirks(host->dev, slot->id);  in dw_mci_init_slot()
2455 		set_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_init_slot()
2457 		clear_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_init_slot()
2464 	dw_mci_init_debugfs(slot);  in dw_mci_init_slot()
2474 static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)  in dw_mci_cleanup_slot()  argument
2477 	mmc_remove_host(slot->mmc);  in dw_mci_cleanup_slot()
2478 	slot->host->slot[id] = NULL;  in dw_mci_cleanup_slot()
2479 	mmc_free_host(slot->mmc);  in dw_mci_cleanup_slot()
2727 		struct dw_mci_slot *slot = host->slot[i];  in dw_mci_enable_cd()  local
2729 		if (IS_ERR_VALUE(mmc_gpio_get_cd(slot->mmc)))  in dw_mci_enable_cd()
2982 		if (host->slot[i])  in dw_mci_remove()
2983 			dw_mci_cleanup_slot(host->slot[i], i);  in dw_mci_remove()
3042 		struct dw_mci_slot *slot = host->slot[i];  in dw_mci_resume()  local
3043 		if (!slot)  in dw_mci_resume()
3045 		if (slot->mmc->pm_flags & MMC_PM_KEEP_POWER) {  in dw_mci_resume()
3046 			dw_mci_set_ios(slot->mmc, &slot->mmc->ios);  in dw_mci_resume()
3047 			dw_mci_setup_bus(slot, true);  in dw_mci_resume()