112 	struct dw_mci_slot *slot = s->private;  in dw_mci_req_show()  local
119 	spin_lock_bh(&slot->host->lock);  in dw_mci_req_show()
120 	mrq = slot->mrq;  in dw_mci_req_show()
145 	spin_unlock_bh(&slot->host->lock);  in dw_mci_req_show()
188 static void dw_mci_init_debugfs(struct dw_mci_slot *slot)  in dw_mci_init_debugfs()  argument
190 	struct mmc_host	*mmc = slot->mmc;  in dw_mci_init_debugfs()
191 	struct dw_mci *host = slot->host;  in dw_mci_init_debugfs()
204 	node = debugfs_create_file("req", S_IRUSR, root, slot,  in dw_mci_init_debugfs()
230 static void mci_send_cmd(struct dw_mci_slot *slot, u32 cmd, u32 arg);
235 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_prepare_command()  local
236 	struct dw_mci *host = slot->host;  in dw_mci_prepare_command()
237 	const struct dw_mci_drv_data *drv_data = slot->host->drv_data;  in dw_mci_prepare_command()
259 		WARN_ON(slot->host->state != STATE_SENDING_CMD);  in dw_mci_prepare_command()
260 		slot->host->state = STATE_SENDING_CMD11;  in dw_mci_prepare_command()
274 		clk_en_a &= ~(SDMMC_CLKEN_LOW_PWR << slot->id);  in dw_mci_prepare_command()
276 		mci_send_cmd(slot, SDMMC_CMD_UPD_CLK |  in dw_mci_prepare_command()
300 		drv_data->prepare_command(slot->host, &cmdr);  in dw_mci_prepare_command()
828 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_pre_req()  local
831 	if (!slot->host->use_dma || !data)  in dw_mci_pre_req()
839 	if (dw_mci_pre_dma_transfer(slot->host, mrq->data, 1) < 0)  in dw_mci_pre_req()
847 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_post_req()  local
850 	if (!slot->host->use_dma || !data)  in dw_mci_post_req()
854 		dma_unmap_sg(slot->host->dev,  in dw_mci_post_req()
1058 static void mci_send_cmd(struct dw_mci_slot *slot, u32 cmd, u32 arg)  in mci_send_cmd()  argument
1060 	struct dw_mci *host = slot->host;  in mci_send_cmd()
1074 	dev_err(&slot->mmc->class_dev,  in mci_send_cmd()
1079 static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit)  in dw_mci_setup_bus()  argument
1081 	struct dw_mci *host = slot->host;  in dw_mci_setup_bus()
1082 	unsigned int clock = slot->clock;  in dw_mci_setup_bus()
1093 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1105 		if ((clock << div) != slot->__clk_old || force_clkinit)  in dw_mci_setup_bus()
1106 			dev_info(&slot->mmc->class_dev,  in dw_mci_setup_bus()
1108 				 slot->id, host->bus_hz, clock,  in dw_mci_setup_bus()
1117 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1123 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1126 		clk_en_a = SDMMC_CLKEN_ENABLE << slot->id;  in dw_mci_setup_bus()
1127 		if (!test_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags))  in dw_mci_setup_bus()
1128 			clk_en_a |= SDMMC_CLKEN_LOW_PWR << slot->id;  in dw_mci_setup_bus()
1132 		mci_send_cmd(slot, sdmmc_cmd_bits, 0);  in dw_mci_setup_bus()
1135 		slot->__clk_old = clock << div;  in dw_mci_setup_bus()
1141 	mci_writel(host, CTYPE, (slot->ctype << slot->id));  in dw_mci_setup_bus()
1145 				   struct dw_mci_slot *slot,  in __dw_mci_start_request()  argument
1152 	mrq = slot->mrq;  in __dw_mci_start_request()
1154 	host->cur_slot = slot;  in __dw_mci_start_request()
1170 	cmdflags = dw_mci_prepare_command(slot->mmc, cmd);  in __dw_mci_start_request()
1173 	if (test_and_clear_bit(DW_MMC_CARD_NEED_INIT, &slot->flags))  in __dw_mci_start_request()
1204 		host->stop_cmdr = dw_mci_prepare_command(slot->mmc, mrq->stop);  in __dw_mci_start_request()
1210 				 struct dw_mci_slot *slot)  in dw_mci_start_request()  argument
1212 	struct mmc_request *mrq = slot->mrq;  in dw_mci_start_request()
1216 	__dw_mci_start_request(host, slot, cmd);  in dw_mci_start_request()
1220 static void dw_mci_queue_request(struct dw_mci *host, struct dw_mci_slot *slot,  in dw_mci_queue_request()  argument
1223 	dev_vdbg(&slot->mmc->class_dev, "queue request: state=%d\n",  in dw_mci_queue_request()
1226 	slot->mrq = mrq;  in dw_mci_queue_request()
1229 		dev_warn(&slot->mmc->class_dev,  in dw_mci_queue_request()
1241 		dw_mci_start_request(host, slot);  in dw_mci_queue_request()
1243 		list_add_tail(&slot->queue_node, &host->queue);  in dw_mci_queue_request()
1249 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_request()  local
1250 	struct dw_mci *host = slot->host;  in dw_mci_request()
1252 	WARN_ON(slot->mrq);  in dw_mci_request()
1261 	if (!test_bit(DW_MMC_CARD_PRESENT, &slot->flags)) {  in dw_mci_request()
1268 	dw_mci_queue_request(host, slot, mrq);  in dw_mci_request()
1275 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_set_ios()  local
1276 	const struct dw_mci_drv_data *drv_data = slot->host->drv_data;  in dw_mci_set_ios()
1282 		slot->ctype = SDMMC_CTYPE_4BIT;  in dw_mci_set_ios()
1285 		slot->ctype = SDMMC_CTYPE_8BIT;  in dw_mci_set_ios()
1289 		slot->ctype = SDMMC_CTYPE_1BIT;  in dw_mci_set_ios()
1292 	regs = mci_readl(slot->host, UHS_REG);  in dw_mci_set_ios()
1298 		regs |= ((0x1 << slot->id) << 16);  in dw_mci_set_ios()
1300 		regs &= ~((0x1 << slot->id) << 16);  in dw_mci_set_ios()
1302 	mci_writel(slot->host, UHS_REG, regs);  in dw_mci_set_ios()
1303 	slot->host->timing = ios->timing;  in dw_mci_set_ios()
1309 	slot->clock = ios->clock;  in dw_mci_set_ios()
1312 		drv_data->set_ios(slot->host, ios);  in dw_mci_set_ios()
1320 				dev_err(slot->host->dev,  in dw_mci_set_ios()
1326 		set_bit(DW_MMC_CARD_NEED_INIT, &slot->flags);  in dw_mci_set_ios()
1327 		regs = mci_readl(slot->host, PWREN);  in dw_mci_set_ios()
1328 		regs |= (1 << slot->id);  in dw_mci_set_ios()
1329 		mci_writel(slot->host, PWREN, regs);  in dw_mci_set_ios()
1332 		if (!slot->host->vqmmc_enabled) {  in dw_mci_set_ios()
1336 					dev_err(slot->host->dev,  in dw_mci_set_ios()
1339 					slot->host->vqmmc_enabled = true;  in dw_mci_set_ios()
1343 				slot->host->vqmmc_enabled = true;  in dw_mci_set_ios()
1347 			dw_mci_ctrl_reset(slot->host,  in dw_mci_set_ios()
1352 		dw_mci_setup_bus(slot, false);  in dw_mci_set_ios()
1357 		dw_mci_setup_bus(slot, false);  in dw_mci_set_ios()
1362 		if (!IS_ERR(mmc->supply.vqmmc) && slot->host->vqmmc_enabled)  in dw_mci_set_ios()
1364 		slot->host->vqmmc_enabled = false;  in dw_mci_set_ios()
1366 		regs = mci_readl(slot->host, PWREN);  in dw_mci_set_ios()
1367 		regs &= ~(1 << slot->id);  in dw_mci_set_ios()
1368 		mci_writel(slot->host, PWREN, regs);  in dw_mci_set_ios()
1374 	if (slot->host->state == STATE_WAITING_CMD11_DONE && ios->clock != 0)  in dw_mci_set_ios()
1375 		slot->host->state = STATE_IDLE;  in dw_mci_set_ios()
1380 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_card_busy()  local
1387 	status = mci_readl(slot->host, STATUS);  in dw_mci_card_busy()
1394 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_switch_voltage()  local
1395 	struct dw_mci *host = slot->host;  in dw_mci_switch_voltage()
1398 	u32 v18 = SDMMC_UHS_18V << slot->id;  in dw_mci_switch_voltage()
1433 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_get_ro()  local
1441 			mci_readl(slot->host, WRTPRT) & (1 << slot->id) ? 1 : 0;  in dw_mci_get_ro()
1452 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_get_cd()  local
1453 	struct dw_mci_board *brd = slot->host->pdata;  in dw_mci_get_cd()
1454 	struct dw_mci *host = slot->host;  in dw_mci_get_cd()
1464 		present = (mci_readl(slot->host, CDETECT) & (1 << slot->id))  in dw_mci_get_cd()
1469 		set_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_get_cd()
1472 		clear_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_get_cd()
1482 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_init_card()  local
1483 	struct dw_mci *host = slot->host;  in dw_mci_init_card()
1491 		const u32 clken_low_pwr = SDMMC_CLKEN_LOW_PWR << slot->id;  in dw_mci_init_card()
1499 			set_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);  in dw_mci_init_card()
1502 			clear_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);  in dw_mci_init_card()
1508 			mci_send_cmd(slot, SDMMC_CMD_UPD_CLK |  in dw_mci_init_card()
1516 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_enable_sdio_irq()  local
1517 	struct dw_mci *host = slot->host;  in dw_mci_enable_sdio_irq()
1526 		int_mask |= SDMMC_INT_SDIO(slot->sdio_id);  in dw_mci_enable_sdio_irq()
1528 		int_mask &= ~SDMMC_INT_SDIO(slot->sdio_id);  in dw_mci_enable_sdio_irq()
1536 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_execute_tuning()  local
1537 	struct dw_mci *host = slot->host;  in dw_mci_execute_tuning()
1542 		err = drv_data->execute_tuning(slot, opcode);  in dw_mci_execute_tuning()
1549 	struct dw_mci_slot *slot = mmc_priv(mmc);  in dw_mci_prepare_hs400_tuning()  local
1550 	struct dw_mci *host = slot->host;  in dw_mci_prepare_hs400_tuning()
1578 	struct dw_mci_slot *slot;  in dw_mci_request_end()  local
1586 		slot = list_entry(host->queue.next,  in dw_mci_request_end()
1588 		list_del(&slot->queue_node);  in dw_mci_request_end()
1590 			 mmc_hostname(slot->mmc));  in dw_mci_request_end()
1592 		dw_mci_start_request(host, slot);  in dw_mci_request_end()
2338 		struct dw_mci_slot *slot = host->slot[i];  in dw_mci_handle_cd()  local
2340 		if (!slot)  in dw_mci_handle_cd()
2343 		if (slot->mmc->ops->card_event)  in dw_mci_handle_cd()
2344 			slot->mmc->ops->card_event(slot->mmc);  in dw_mci_handle_cd()
2345 		mmc_detect_change(slot->mmc,  in dw_mci_handle_cd()
2444 			struct dw_mci_slot *slot = host->slot[i];  in dw_mci_interrupt()  local
2446 			if (!slot)  in dw_mci_interrupt()
2449 			if (pending & SDMMC_INT_SDIO(slot->sdio_id)) {  in dw_mci_interrupt()
2451 					   SDMMC_INT_SDIO(slot->sdio_id));  in dw_mci_interrupt()
2452 				mmc_signal_sdio_irq(slot->mmc);  in dw_mci_interrupt()
2485 static struct device_node *dw_mci_of_find_slot_node(struct dw_mci_slot *slot)  in dw_mci_of_find_slot_node()  argument
2487 	struct device *dev = slot->mmc->parent;  in dw_mci_of_find_slot_node()
2499 		if (be32_to_cpup(addr) == slot->id)  in dw_mci_of_find_slot_node()
2505 static void dw_mci_slot_of_parse(struct dw_mci_slot *slot)  in dw_mci_slot_of_parse()  argument
2507 	struct device_node *np = dw_mci_of_find_slot_node(slot);  in dw_mci_slot_of_parse()
2513 		slot->mmc->caps2 |= MMC_CAP2_NO_WRITE_PROTECT;  in dw_mci_slot_of_parse()
2514 		dev_warn(slot->mmc->parent,  in dw_mci_slot_of_parse()
2519 static void dw_mci_slot_of_parse(struct dw_mci_slot *slot)  in dw_mci_slot_of_parse()  argument
2527 	struct dw_mci_slot *slot;  in dw_mci_init_slot()  local
2536 	slot = mmc_priv(mmc);  in dw_mci_init_slot()
2537 	slot->id = id;  in dw_mci_init_slot()
2538 	slot->sdio_id = host->sdio_id0 + id;  in dw_mci_init_slot()
2539 	slot->mmc = mmc;  in dw_mci_init_slot()
2540 	slot->host = host;  in dw_mci_init_slot()
2541 	host->slot[id] = slot;  in dw_mci_init_slot()
2580 	dw_mci_slot_of_parse(slot);  in dw_mci_init_slot()
2611 		set_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_init_slot()
2613 		clear_bit(DW_MMC_CARD_PRESENT, &slot->flags);  in dw_mci_init_slot()
2620 	dw_mci_init_debugfs(slot);  in dw_mci_init_slot()
2630 static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)  in dw_mci_cleanup_slot()  argument
2633 	mmc_remove_host(slot->mmc);  in dw_mci_cleanup_slot()
2634 	slot->host->slot[id] = NULL;  in dw_mci_cleanup_slot()
2635 	mmc_free_host(slot->mmc);  in dw_mci_cleanup_slot()
2938 		struct dw_mci_slot *slot = host->slot[i];  in dw_mci_enable_cd()  local
2940 		if (IS_ERR_VALUE(mmc_gpio_get_cd(slot->mmc)))  in dw_mci_enable_cd()
3195 		if (host->slot[i])  in dw_mci_remove()
3196 			dw_mci_cleanup_slot(host->slot[i], i);  in dw_mci_remove()
3261 		struct dw_mci_slot *slot = host->slot[i];  in dw_mci_resume()  local
3263 		if (!slot)  in dw_mci_resume()
3265 		if (slot->mmc->pm_flags & MMC_PM_KEEP_POWER) {  in dw_mci_resume()
3266 			dw_mci_set_ios(slot->mmc, &slot->mmc->ios);  in dw_mci_resume()
3267 			dw_mci_setup_bus(slot, true);  in dw_mci_resume()