Lines Matching full:host
30 #include <linux/mmc/host.h>
351 u32 (*prepare_data)(struct atmel_mci *host, struct mmc_data *data);
352 void (*submit_data)(struct atmel_mci *host, struct mmc_data *data);
353 void (*stop_transfer)(struct atmel_mci *host);
359 * @host: The MMC controller this slot is using.
366 * @clock: Clock rate configured by set_ios(). Protected by host->lock.
377 struct atmel_mci *host; member
398 #define atmci_test_and_clear_pending(host, event) \ argument
399 test_and_clear_bit(event, &host->pending_events)
400 #define atmci_set_completed(host, event) \ argument
401 set_bit(event, &host->completed_events)
402 #define atmci_set_pending(host, event) \ argument
403 set_bit(event, &host->pending_events)
418 spin_lock_bh(&slot->host->lock); in atmci_req_show()
444 spin_unlock_bh(&slot->host->lock); in atmci_req_show()
499 struct atmel_mci *host = s->private; in atmci_regs_show() local
508 pm_runtime_get_sync(&host->pdev->dev); in atmci_regs_show()
515 spin_lock_bh(&host->lock); in atmci_regs_show()
516 memcpy_fromio(buf, host->regs, ATMCI_REGS_SIZE); in atmci_regs_show()
517 spin_unlock_bh(&host->lock); in atmci_regs_show()
519 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_regs_show()
520 pm_runtime_put_autosuspend(&host->pdev->dev); in atmci_regs_show()
526 if (host->caps.has_odd_clk_div) in atmci_regs_show()
540 if (host->caps.has_cstor_reg) in atmci_regs_show()
548 if (host->caps.has_dma_conf_reg) { in atmci_regs_show()
558 if (host->caps.has_cfg_reg) { in atmci_regs_show()
580 struct atmel_mci *host = slot->host; in atmci_init_debugfs() local
587 debugfs_create_file("regs", S_IRUSR, root, host, &atmci_regs_fops); in atmci_init_debugfs()
589 debugfs_create_u32("state", S_IRUSR, root, &host->state); in atmci_init_debugfs()
591 &host->pending_events); in atmci_init_debugfs()
593 &host->completed_events); in atmci_init_debugfs()
662 static inline unsigned int atmci_get_version(struct atmel_mci *host) in atmci_get_version() argument
664 return atmci_readl(host, ATMCI_VERSION) & 0x00000fff; in atmci_get_version()
675 static inline unsigned int atmci_convert_chksize(struct atmel_mci *host, in atmci_convert_chksize() argument
678 unsigned int version = atmci_get_version(host); in atmci_convert_chksize()
692 struct atmel_mci *host; in atmci_timeout_timer() local
694 host = from_timer(host, t, timer); in atmci_timeout_timer()
696 dev_dbg(&host->pdev->dev, "software timeout\n"); in atmci_timeout_timer()
698 if (host->mrq->cmd->data) { in atmci_timeout_timer()
699 host->mrq->cmd->data->error = -ETIMEDOUT; in atmci_timeout_timer()
700 host->data = NULL; in atmci_timeout_timer()
706 if (host->state == STATE_DATA_XFER) in atmci_timeout_timer()
707 host->stop_transfer(host); in atmci_timeout_timer()
709 host->mrq->cmd->error = -ETIMEDOUT; in atmci_timeout_timer()
710 host->cmd = NULL; in atmci_timeout_timer()
712 host->need_reset = 1; in atmci_timeout_timer()
713 host->state = STATE_END_REQUEST; in atmci_timeout_timer()
715 tasklet_schedule(&host->tasklet); in atmci_timeout_timer()
718 static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host, in atmci_ns_to_clocks() argument
727 /* Maximum clock frequency is host->bus_hz/2 */ in atmci_ns_to_clocks()
728 return us * (DIV_ROUND_UP(host->bus_hz, 2000000)); in atmci_ns_to_clocks()
731 static void atmci_set_timeout(struct atmel_mci *host, in atmci_set_timeout() argument
741 timeout = atmci_ns_to_clocks(host, data->timeout_ns) in atmci_set_timeout()
758 atmci_writel(host, ATMCI_DTOR, (ATMCI_DTOMUL(dtomul) | ATMCI_DTOCYC(dtocyc))); in atmci_set_timeout()
811 static void atmci_send_command(struct atmel_mci *host, in atmci_send_command() argument
817 WARN_ON(host->cmd); in atmci_send_command()
818 host->cmd = cmd; in atmci_send_command()
820 dev_vdbg(&host->pdev->dev, in atmci_send_command()
824 atmci_writel(host, ATMCI_ARGR, cmd->arg); in atmci_send_command()
825 atmci_writel(host, ATMCI_CMDR, cmd_flags); in atmci_send_command()
827 mod_timer(&host->timer, jiffies + msecs_to_jiffies(timeout_ms)); in atmci_send_command()
830 static void atmci_send_stop_cmd(struct atmel_mci *host, struct mmc_data *data) in atmci_send_stop_cmd() argument
832 dev_dbg(&host->pdev->dev, "send stop command\n"); in atmci_send_stop_cmd()
833 atmci_send_command(host, data->stop, host->stop_cmdr); in atmci_send_stop_cmd()
834 atmci_writel(host, ATMCI_IER, ATMCI_CMDRDY); in atmci_send_stop_cmd()
839 * Update host->data_size and host->sg.
841 static void atmci_pdc_set_single_buf(struct atmel_mci *host, in atmci_pdc_set_single_buf() argument
860 if (!host->caps.has_rwproof) { in atmci_pdc_set_single_buf()
861 buf_size = host->buf_size; in atmci_pdc_set_single_buf()
862 atmci_writel(host, pointer_reg, host->buf_phys_addr); in atmci_pdc_set_single_buf()
864 buf_size = sg_dma_len(host->sg); in atmci_pdc_set_single_buf()
865 atmci_writel(host, pointer_reg, sg_dma_address(host->sg)); in atmci_pdc_set_single_buf()
868 if (host->data_size <= buf_size) { in atmci_pdc_set_single_buf()
869 if (host->data_size & 0x3) { in atmci_pdc_set_single_buf()
871 atmci_writel(host, counter_reg, host->data_size); in atmci_pdc_set_single_buf()
872 atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCFBYTE); in atmci_pdc_set_single_buf()
875 atmci_writel(host, counter_reg, host->data_size / 4); in atmci_pdc_set_single_buf()
877 host->data_size = 0; in atmci_pdc_set_single_buf()
880 atmci_writel(host, counter_reg, sg_dma_len(host->sg) / 4); in atmci_pdc_set_single_buf()
881 host->data_size -= sg_dma_len(host->sg); in atmci_pdc_set_single_buf()
882 if (host->data_size) in atmci_pdc_set_single_buf()
883 host->sg = sg_next(host->sg); in atmci_pdc_set_single_buf()
892 static void atmci_pdc_set_both_buf(struct atmel_mci *host, int dir) in atmci_pdc_set_both_buf() argument
894 atmci_pdc_set_single_buf(host, dir, PDC_FIRST_BUF); in atmci_pdc_set_both_buf()
895 if (host->data_size) in atmci_pdc_set_both_buf()
896 atmci_pdc_set_single_buf(host, dir, PDC_SECOND_BUF); in atmci_pdc_set_both_buf()
902 static void atmci_pdc_cleanup(struct atmel_mci *host) in atmci_pdc_cleanup() argument
904 struct mmc_data *data = host->data; in atmci_pdc_cleanup()
907 dma_unmap_sg(&host->pdev->dev, in atmci_pdc_cleanup()
917 static void atmci_pdc_complete(struct atmel_mci *host) in atmci_pdc_complete() argument
919 int transfer_size = host->data->blocks * host->data->blksz; in atmci_pdc_complete()
922 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); in atmci_pdc_complete()
924 if ((!host->caps.has_rwproof) in atmci_pdc_complete()
925 && (host->data->flags & MMC_DATA_READ)) { in atmci_pdc_complete()
926 if (host->caps.has_bad_data_ordering) in atmci_pdc_complete()
928 host->buffer[i] = swab32(host->buffer[i]); in atmci_pdc_complete()
929 sg_copy_from_buffer(host->data->sg, host->data->sg_len, in atmci_pdc_complete()
930 host->buffer, transfer_size); in atmci_pdc_complete()
933 atmci_pdc_cleanup(host); in atmci_pdc_complete()
935 dev_dbg(&host->pdev->dev, "(%s) set pending xfer complete\n", __func__); in atmci_pdc_complete()
936 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_pdc_complete()
937 tasklet_schedule(&host->tasklet); in atmci_pdc_complete()
940 static void atmci_dma_cleanup(struct atmel_mci *host) in atmci_dma_cleanup() argument
942 struct mmc_data *data = host->data; in atmci_dma_cleanup()
945 dma_unmap_sg(host->dma.chan->device->dev, in atmci_dma_cleanup()
955 struct atmel_mci *host = arg; in atmci_dma_complete() local
956 struct mmc_data *data = host->data; in atmci_dma_complete()
958 dev_vdbg(&host->pdev->dev, "DMA complete\n"); in atmci_dma_complete()
960 if (host->caps.has_dma_conf_reg) in atmci_dma_complete()
962 atmci_writel(host, ATMCI_DMA, atmci_readl(host, ATMCI_DMA) & ~ATMCI_DMAEN); in atmci_dma_complete()
964 atmci_dma_cleanup(host); in atmci_dma_complete()
971 dev_dbg(&host->pdev->dev, in atmci_dma_complete()
973 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_dma_complete()
974 tasklet_schedule(&host->tasklet); in atmci_dma_complete()
996 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_dma_complete()
1004 static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data() argument
1010 host->sg = data->sg; in atmci_prepare_data()
1011 host->sg_len = data->sg_len; in atmci_prepare_data()
1012 host->data = data; in atmci_prepare_data()
1013 host->data_chan = NULL; in atmci_prepare_data()
1026 host->need_reset = true; in atmci_prepare_data()
1028 host->pio_offset = 0; in atmci_prepare_data()
1044 atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data_pdc() argument
1051 host->data = data; in atmci_prepare_data_pdc()
1052 host->sg = data->sg; in atmci_prepare_data_pdc()
1056 atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCMODE); in atmci_prepare_data_pdc()
1064 tmp = atmci_readl(host, ATMCI_MR); in atmci_prepare_data_pdc()
1067 atmci_writel(host, ATMCI_MR, tmp); in atmci_prepare_data_pdc()
1070 host->data_size = data->blocks * data->blksz; in atmci_prepare_data_pdc()
1071 dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, in atmci_prepare_data_pdc()
1074 if ((!host->caps.has_rwproof) in atmci_prepare_data_pdc()
1075 && (host->data->flags & MMC_DATA_WRITE)) { in atmci_prepare_data_pdc()
1076 sg_copy_to_buffer(host->data->sg, host->data->sg_len, in atmci_prepare_data_pdc()
1077 host->buffer, host->data_size); in atmci_prepare_data_pdc()
1078 if (host->caps.has_bad_data_ordering) in atmci_prepare_data_pdc()
1079 for (i = 0; i < host->data_size; i++) in atmci_prepare_data_pdc()
1080 host->buffer[i] = swab32(host->buffer[i]); in atmci_prepare_data_pdc()
1083 if (host->data_size) in atmci_prepare_data_pdc()
1084 atmci_pdc_set_both_buf(host, data->flags & MMC_DATA_READ ? in atmci_prepare_data_pdc()
1090 atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data_dma() argument
1103 WARN_ON(host->data); in atmci_prepare_data_dma()
1104 host->sg = NULL; in atmci_prepare_data_dma()
1105 host->data = data; in atmci_prepare_data_dma()
1115 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1117 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1121 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1125 if (!host->dma.chan) in atmci_prepare_data_dma()
1128 chan = host->dma.chan; in atmci_prepare_data_dma()
1129 host->data_chan = chan; in atmci_prepare_data_dma()
1132 host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM; in atmci_prepare_data_dma()
1133 maxburst = atmci_convert_chksize(host, in atmci_prepare_data_dma()
1134 host->dma_conf.src_maxburst); in atmci_prepare_data_dma()
1136 host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV; in atmci_prepare_data_dma()
1137 maxburst = atmci_convert_chksize(host, in atmci_prepare_data_dma()
1138 host->dma_conf.dst_maxburst); in atmci_prepare_data_dma()
1141 if (host->caps.has_dma_conf_reg) in atmci_prepare_data_dma()
1142 atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) | in atmci_prepare_data_dma()
1148 dmaengine_slave_config(chan, &host->dma_conf); in atmci_prepare_data_dma()
1155 host->dma.data_desc = desc; in atmci_prepare_data_dma()
1157 desc->callback_param = host; in atmci_prepare_data_dma()
1167 atmci_submit_data(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data() argument
1176 atmci_submit_data_pdc(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data_pdc() argument
1179 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN); in atmci_submit_data_pdc()
1181 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTEN); in atmci_submit_data_pdc()
1185 atmci_submit_data_dma(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data_dma() argument
1187 struct dma_chan *chan = host->data_chan; in atmci_submit_data_dma()
1188 struct dma_async_tx_descriptor *desc = host->dma.data_desc; in atmci_submit_data_dma()
1196 static void atmci_stop_transfer(struct atmel_mci *host) in atmci_stop_transfer() argument
1198 dev_dbg(&host->pdev->dev, in atmci_stop_transfer()
1200 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_stop_transfer()
1201 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_stop_transfer()
1207 static void atmci_stop_transfer_pdc(struct atmel_mci *host) in atmci_stop_transfer_pdc() argument
1209 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); in atmci_stop_transfer_pdc()
1212 static void atmci_stop_transfer_dma(struct atmel_mci *host) in atmci_stop_transfer_dma() argument
1214 struct dma_chan *chan = host->data_chan; in atmci_stop_transfer_dma()
1218 atmci_dma_cleanup(host); in atmci_stop_transfer_dma()
1221 dev_dbg(&host->pdev->dev, in atmci_stop_transfer_dma()
1223 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_stop_transfer_dma()
1224 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_stop_transfer_dma()
1232 static void atmci_start_request(struct atmel_mci *host, in atmci_start_request() argument
1242 host->cur_slot = slot; in atmci_start_request()
1243 host->mrq = mrq; in atmci_start_request()
1245 host->pending_events = 0; in atmci_start_request()
1246 host->completed_events = 0; in atmci_start_request()
1247 host->cmd_status = 0; in atmci_start_request()
1248 host->data_status = 0; in atmci_start_request()
1250 dev_dbg(&host->pdev->dev, "start request: cmd %u\n", mrq->cmd->opcode); in atmci_start_request()
1252 if (host->need_reset || host->caps.need_reset_after_xfer) { in atmci_start_request()
1253 iflags = atmci_readl(host, ATMCI_IMR); in atmci_start_request()
1255 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_start_request()
1256 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_start_request()
1257 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_start_request()
1258 if (host->caps.has_cfg_reg) in atmci_start_request()
1259 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_start_request()
1260 atmci_writel(host, ATMCI_IER, iflags); in atmci_start_request()
1261 host->need_reset = false; in atmci_start_request()
1263 atmci_writel(host, ATMCI_SDCR, slot->sdc_reg); in atmci_start_request()
1265 iflags = atmci_readl(host, ATMCI_IMR); in atmci_start_request()
1272 atmci_writel(host, ATMCI_CMDR, ATMCI_CMDR_SPCMD_INIT); in atmci_start_request()
1273 while (!(atmci_readl(host, ATMCI_SR) & ATMCI_CMDRDY)) in atmci_start_request()
1279 atmci_set_timeout(host, slot, data); in atmci_start_request()
1282 atmci_writel(host, ATMCI_BLKR, ATMCI_BCNT(data->blocks) in atmci_start_request()
1287 iflags |= host->prepare_data(host, data); in atmci_start_request()
1300 if (host->submit_data != &atmci_submit_data_dma) in atmci_start_request()
1301 atmci_send_command(host, cmd, cmdflags); in atmci_start_request()
1304 host->submit_data(host, data); in atmci_start_request()
1306 if (host->submit_data == &atmci_submit_data_dma) in atmci_start_request()
1307 atmci_send_command(host, cmd, cmdflags); in atmci_start_request()
1310 host->stop_cmdr = atmci_prepare_command(slot->mmc, mrq->stop); in atmci_start_request()
1311 host->stop_cmdr |= ATMCI_CMDR_STOP_XFER; in atmci_start_request()
1313 host->stop_cmdr |= ATMCI_CMDR_TRDIR_READ; in atmci_start_request()
1314 host->stop_cmdr |= ATMCI_CMDR_MULTI_BLOCK; in atmci_start_request()
1323 atmci_writel(host, ATMCI_IER, iflags); in atmci_start_request()
1326 static void atmci_queue_request(struct atmel_mci *host, in atmci_queue_request() argument
1330 host->state); in atmci_queue_request()
1332 spin_lock_bh(&host->lock); in atmci_queue_request()
1334 if (host->state == STATE_IDLE) { in atmci_queue_request()
1335 host->state = STATE_SENDING_CMD; in atmci_queue_request()
1336 atmci_start_request(host, slot); in atmci_queue_request()
1338 dev_dbg(&host->pdev->dev, "queue request\n"); in atmci_queue_request()
1339 list_add_tail(&slot->queue_node, &host->queue); in atmci_queue_request()
1341 spin_unlock_bh(&host->lock); in atmci_queue_request()
1347 struct atmel_mci *host = slot->host; in atmci_request() local
1351 dev_dbg(&host->pdev->dev, "MRQ: cmd %u\n", mrq->cmd->opcode); in atmci_request()
1374 atmci_queue_request(host, slot, mrq); in atmci_request()
1380 struct atmel_mci *host = slot->host; in atmci_set_ios() local
1400 spin_lock_bh(&host->lock); in atmci_set_ios()
1401 if (!host->mode_reg) { in atmci_set_ios()
1402 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_set_ios()
1403 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_set_ios()
1404 if (host->caps.has_cfg_reg) in atmci_set_ios()
1405 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_set_ios()
1414 if (host->slot[i] && host->slot[i]->clock in atmci_set_ios()
1415 && host->slot[i]->clock < clock_min) in atmci_set_ios()
1416 clock_min = host->slot[i]->clock; in atmci_set_ios()
1420 if (host->caps.has_odd_clk_div) { in atmci_set_ios()
1421 clkdiv = DIV_ROUND_UP(host->bus_hz, clock_min) - 2; in atmci_set_ios()
1425 clock_min, host->bus_hz / 2); in atmci_set_ios()
1430 clock_min, host->bus_hz / (511 + 2)); in atmci_set_ios()
1433 host->mode_reg = ATMCI_MR_CLKDIV(clkdiv >> 1) in atmci_set_ios()
1436 clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1; in atmci_set_ios()
1440 clock_min, host->bus_hz / (2 * 256)); in atmci_set_ios()
1443 host->mode_reg = ATMCI_MR_CLKDIV(clkdiv); in atmci_set_ios()
1451 if (host->caps.has_rwproof) in atmci_set_ios()
1452 host->mode_reg |= (ATMCI_MR_WRPROOF | ATMCI_MR_RDPROOF); in atmci_set_ios()
1454 if (host->caps.has_cfg_reg) { in atmci_set_ios()
1457 host->cfg_reg |= ATMCI_CFG_HSMODE; in atmci_set_ios()
1459 host->cfg_reg &= ~ATMCI_CFG_HSMODE; in atmci_set_ios()
1462 if (list_empty(&host->queue)) { in atmci_set_ios()
1463 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_set_ios()
1464 if (host->caps.has_cfg_reg) in atmci_set_ios()
1465 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_set_ios()
1467 host->need_clock_update = true; in atmci_set_ios()
1470 spin_unlock_bh(&host->lock); in atmci_set_ios()
1474 spin_lock_bh(&host->lock); in atmci_set_ios()
1477 if (host->slot[i] && host->slot[i]->clock) { in atmci_set_ios()
1483 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS); in atmci_set_ios()
1484 if (host->mode_reg) { in atmci_set_ios()
1485 atmci_readl(host, ATMCI_MR); in atmci_set_ios()
1487 host->mode_reg = 0; in atmci_set_ios()
1489 spin_unlock_bh(&host->lock); in atmci_set_ios()
1539 struct atmel_mci *host = slot->host; in atmci_enable_sdio_irq() local
1542 atmci_writel(host, ATMCI_IER, slot->sdio_irq); in atmci_enable_sdio_irq()
1544 atmci_writel(host, ATMCI_IDR, slot->sdio_irq); in atmci_enable_sdio_irq()
1555 /* Called with host->lock held */
1556 static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq) in atmci_request_end() argument
1557 __releases(&host->lock) in atmci_request_end()
1558 __acquires(&host->lock) in atmci_request_end()
1561 struct mmc_host *prev_mmc = host->cur_slot->mmc; in atmci_request_end()
1563 WARN_ON(host->cmd || host->data); in atmci_request_end()
1565 del_timer(&host->timer); in atmci_request_end()
1572 if (host->need_clock_update) { in atmci_request_end()
1573 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_request_end()
1574 if (host->caps.has_cfg_reg) in atmci_request_end()
1575 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_request_end()
1578 host->cur_slot->mrq = NULL; in atmci_request_end()
1579 host->mrq = NULL; in atmci_request_end()
1580 if (!list_empty(&host->queue)) { in atmci_request_end()
1581 slot = list_entry(host->queue.next, in atmci_request_end()
1584 dev_vdbg(&host->pdev->dev, "list not empty: %s is next\n", in atmci_request_end()
1586 host->state = STATE_SENDING_CMD; in atmci_request_end()
1587 atmci_start_request(host, slot); in atmci_request_end()
1589 dev_vdbg(&host->pdev->dev, "list empty\n"); in atmci_request_end()
1590 host->state = STATE_IDLE; in atmci_request_end()
1593 spin_unlock(&host->lock); in atmci_request_end()
1595 spin_lock(&host->lock); in atmci_request_end()
1598 static void atmci_command_complete(struct atmel_mci *host, in atmci_command_complete() argument
1601 u32 status = host->cmd_status; in atmci_command_complete()
1604 cmd->resp[0] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1605 cmd->resp[1] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1606 cmd->resp[2] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1607 cmd->resp[3] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1615 else if (host->mrq->data && (host->mrq->data->blksz & 3)) { in atmci_command_complete()
1616 if (host->caps.need_blksz_mul_4) { in atmci_command_complete()
1618 host->need_reset = 1; in atmci_command_complete()
1649 struct atmel_mci *host = slot->host; in atmci_detect_change() local
1655 spin_lock(&host->lock); in atmci_detect_change()
1665 if (mrq == host->mrq) { in atmci_detect_change()
1670 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_detect_change()
1671 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_detect_change()
1672 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_detect_change()
1673 if (host->caps.has_cfg_reg) in atmci_detect_change()
1674 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_detect_change()
1676 host->data = NULL; in atmci_detect_change()
1677 host->cmd = NULL; in atmci_detect_change()
1679 switch (host->state) { in atmci_detect_change()
1685 host->stop_transfer(host); in atmci_detect_change()
1689 host->stop_transfer(host); in atmci_detect_change()
1701 atmci_request_end(host, mrq); in atmci_detect_change()
1710 spin_unlock(&host->lock); in atmci_detect_change()
1712 spin_lock(&host->lock); in atmci_detect_change()
1715 spin_unlock(&host->lock); in atmci_detect_change()
1723 struct atmel_mci *host = from_tasklet(host, t, tasklet); in atmci_tasklet_func() local
1724 struct mmc_request *mrq = host->mrq; in atmci_tasklet_func()
1725 struct mmc_data *data = host->data; in atmci_tasklet_func()
1726 enum atmel_mci_state state = host->state; in atmci_tasklet_func()
1730 spin_lock(&host->lock); in atmci_tasklet_func()
1732 state = host->state; in atmci_tasklet_func()
1734 dev_vdbg(&host->pdev->dev, in atmci_tasklet_func()
1736 state, host->pending_events, host->completed_events, in atmci_tasklet_func()
1737 atmci_readl(host, ATMCI_IMR)); in atmci_tasklet_func()
1741 dev_dbg(&host->pdev->dev, "FSM: state=%d\n", state); in atmci_tasklet_func()
1754 dev_dbg(&host->pdev->dev, "FSM: cmd ready?\n"); in atmci_tasklet_func()
1755 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1759 dev_dbg(&host->pdev->dev, "set completed cmd ready\n"); in atmci_tasklet_func()
1760 host->cmd = NULL; in atmci_tasklet_func()
1761 atmci_set_completed(host, EVENT_CMD_RDY); in atmci_tasklet_func()
1762 atmci_command_complete(host, mrq->cmd); in atmci_tasklet_func()
1764 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1771 host->stop_transfer(host); in atmci_tasklet_func()
1772 host->data = NULL; in atmci_tasklet_func()
1773 atmci_writel(host, ATMCI_IDR, in atmci_tasklet_func()
1780 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1782 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1790 if (atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1792 dev_dbg(&host->pdev->dev, "set completed data error\n"); in atmci_tasklet_func()
1793 atmci_set_completed(host, EVENT_DATA_ERROR); in atmci_tasklet_func()
1805 dev_dbg(&host->pdev->dev, "FSM: xfer complete?\n"); in atmci_tasklet_func()
1806 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1810 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1813 atmci_set_completed(host, EVENT_XFER_COMPLETE); in atmci_tasklet_func()
1815 if (host->caps.need_notbusy_for_read_ops || in atmci_tasklet_func()
1816 (host->data->flags & MMC_DATA_WRITE)) { in atmci_tasklet_func()
1817 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1819 } else if (host->mrq->stop) { in atmci_tasklet_func()
1820 atmci_writel(host, ATMCI_IER, ATMCI_CMDRDY); in atmci_tasklet_func()
1821 atmci_send_stop_cmd(host, data); in atmci_tasklet_func()
1824 host->data = NULL; in atmci_tasklet_func()
1838 dev_dbg(&host->pdev->dev, "FSM: not busy?\n"); in atmci_tasklet_func()
1839 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1843 dev_dbg(&host->pdev->dev, "set completed not busy\n"); in atmci_tasklet_func()
1844 atmci_set_completed(host, EVENT_NOTBUSY); in atmci_tasklet_func()
1846 if (host->data) { in atmci_tasklet_func()
1852 if (host->mrq->stop) { in atmci_tasklet_func()
1853 atmci_writel(host, ATMCI_IER, in atmci_tasklet_func()
1855 atmci_send_stop_cmd(host, data); in atmci_tasklet_func()
1858 host->data = NULL; in atmci_tasklet_func()
1870 * In this state, it is important to set host->data to in atmci_tasklet_func()
1875 dev_dbg(&host->pdev->dev, "FSM: cmd ready?\n"); in atmci_tasklet_func()
1876 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1880 dev_dbg(&host->pdev->dev, "FSM: cmd ready\n"); in atmci_tasklet_func()
1881 host->cmd = NULL; in atmci_tasklet_func()
1884 atmci_command_complete(host, mrq->stop); in atmci_tasklet_func()
1886 host->stop_transfer(host); in atmci_tasklet_func()
1887 atmci_writel(host, ATMCI_IDR, in atmci_tasklet_func()
1892 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1895 host->data = NULL; in atmci_tasklet_func()
1899 atmci_writel(host, ATMCI_IDR, ATMCI_TXRDY | ATMCI_RXRDY in atmci_tasklet_func()
1901 status = host->data_status; in atmci_tasklet_func()
1903 host->stop_transfer(host); in atmci_tasklet_func()
1904 host->data = NULL; in atmci_tasklet_func()
1916 atmci_request_end(host, host->mrq); in atmci_tasklet_func()
1917 goto unlock; /* atmci_request_end() sets host->state */ in atmci_tasklet_func()
1922 host->state = state; in atmci_tasklet_func()
1925 spin_unlock(&host->lock); in atmci_tasklet_func()
1928 static void atmci_read_data_pio(struct atmel_mci *host) in atmci_read_data_pio() argument
1930 struct scatterlist *sg = host->sg; in atmci_read_data_pio()
1931 unsigned int offset = host->pio_offset; in atmci_read_data_pio()
1932 struct mmc_data *data = host->data; in atmci_read_data_pio()
1938 value = atmci_readl(host, ATMCI_RDR); in atmci_read_data_pio()
1947 host->sg = sg = sg_next(sg); in atmci_read_data_pio()
1948 host->sg_len--; in atmci_read_data_pio()
1949 if (!sg || !host->sg_len) in atmci_read_data_pio()
1961 host->sg = sg = sg_next(sg); in atmci_read_data_pio()
1962 host->sg_len--; in atmci_read_data_pio()
1963 if (!sg || !host->sg_len) in atmci_read_data_pio()
1972 status = atmci_readl(host, ATMCI_SR); in atmci_read_data_pio()
1974 atmci_writel(host, ATMCI_IDR, (ATMCI_NOTBUSY | ATMCI_RXRDY in atmci_read_data_pio()
1976 host->data_status = status; in atmci_read_data_pio()
1982 host->pio_offset = offset; in atmci_read_data_pio()
1988 atmci_writel(host, ATMCI_IDR, ATMCI_RXRDY); in atmci_read_data_pio()
1989 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_read_data_pio()
1992 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_read_data_pio()
1995 static void atmci_write_data_pio(struct atmel_mci *host) in atmci_write_data_pio() argument
1997 struct scatterlist *sg = host->sg; in atmci_write_data_pio()
1998 unsigned int offset = host->pio_offset; in atmci_write_data_pio()
1999 struct mmc_data *data = host->data; in atmci_write_data_pio()
2007 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
2012 host->sg = sg = sg_next(sg); in atmci_write_data_pio()
2013 host->sg_len--; in atmci_write_data_pio()
2014 if (!sg || !host->sg_len) in atmci_write_data_pio()
2026 host->sg = sg = sg_next(sg); in atmci_write_data_pio()
2027 host->sg_len--; in atmci_write_data_pio()
2028 if (!sg || !host->sg_len) { in atmci_write_data_pio()
2029 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
2036 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
2040 status = atmci_readl(host, ATMCI_SR); in atmci_write_data_pio()
2042 atmci_writel(host, ATMCI_IDR, (ATMCI_NOTBUSY | ATMCI_TXRDY in atmci_write_data_pio()
2044 host->data_status = status; in atmci_write_data_pio()
2050 host->pio_offset = offset; in atmci_write_data_pio()
2056 atmci_writel(host, ATMCI_IDR, ATMCI_TXRDY); in atmci_write_data_pio()
2057 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_write_data_pio()
2060 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_write_data_pio()
2063 static void atmci_sdio_interrupt(struct atmel_mci *host, u32 status) in atmci_sdio_interrupt() argument
2068 struct atmel_mci_slot *slot = host->slot[i]; in atmci_sdio_interrupt()
2078 struct atmel_mci *host = dev_id; in atmci_interrupt() local
2083 status = atmci_readl(host, ATMCI_SR); in atmci_interrupt()
2084 mask = atmci_readl(host, ATMCI_IMR); in atmci_interrupt()
2090 dev_dbg(&host->pdev->dev, "IRQ: data error\n"); in atmci_interrupt()
2091 atmci_writel(host, ATMCI_IDR, ATMCI_DATA_ERROR_FLAGS in atmci_interrupt()
2096 host->data_status = status; in atmci_interrupt()
2097 dev_dbg(&host->pdev->dev, "set pending data error\n"); in atmci_interrupt()
2099 atmci_set_pending(host, EVENT_DATA_ERROR); in atmci_interrupt()
2100 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2104 dev_dbg(&host->pdev->dev, "IRQ: tx buffer empty\n"); in atmci_interrupt()
2105 atmci_writel(host, ATMCI_IDR, ATMCI_TXBUFE); in atmci_interrupt()
2106 atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); in atmci_interrupt()
2112 if (host->data_size) { in atmci_interrupt()
2113 atmci_pdc_set_both_buf(host, XFER_TRANSMIT); in atmci_interrupt()
2114 atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); in atmci_interrupt()
2115 atmci_writel(host, ATMCI_IER, ATMCI_TXBUFE); in atmci_interrupt()
2117 atmci_pdc_complete(host); in atmci_interrupt()
2120 dev_dbg(&host->pdev->dev, "IRQ: end of tx buffer\n"); in atmci_interrupt()
2121 atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); in atmci_interrupt()
2123 if (host->data_size) { in atmci_interrupt()
2124 atmci_pdc_set_single_buf(host, in atmci_interrupt()
2126 atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); in atmci_interrupt()
2131 dev_dbg(&host->pdev->dev, "IRQ: rx buffer full\n"); in atmci_interrupt()
2132 atmci_writel(host, ATMCI_IDR, ATMCI_RXBUFF); in atmci_interrupt()
2133 atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); in atmci_interrupt()
2139 if (host->data_size) { in atmci_interrupt()
2140 atmci_pdc_set_both_buf(host, XFER_RECEIVE); in atmci_interrupt()
2141 atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); in atmci_interrupt()
2142 atmci_writel(host, ATMCI_IER, ATMCI_RXBUFF); in atmci_interrupt()
2144 atmci_pdc_complete(host); in atmci_interrupt()
2147 dev_dbg(&host->pdev->dev, "IRQ: end of rx buffer\n"); in atmci_interrupt()
2148 atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); in atmci_interrupt()
2150 if (host->data_size) { in atmci_interrupt()
2151 atmci_pdc_set_single_buf(host, in atmci_interrupt()
2153 atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); in atmci_interrupt()
2164 dev_dbg(&host->pdev->dev, "IRQ: blke\n"); in atmci_interrupt()
2165 atmci_writel(host, ATMCI_IDR, ATMCI_BLKE); in atmci_interrupt()
2167 dev_dbg(&host->pdev->dev, "set pending notbusy\n"); in atmci_interrupt()
2168 atmci_set_pending(host, EVENT_NOTBUSY); in atmci_interrupt()
2169 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2173 dev_dbg(&host->pdev->dev, "IRQ: not_busy\n"); in atmci_interrupt()
2174 atmci_writel(host, ATMCI_IDR, ATMCI_NOTBUSY); in atmci_interrupt()
2176 dev_dbg(&host->pdev->dev, "set pending notbusy\n"); in atmci_interrupt()
2177 atmci_set_pending(host, EVENT_NOTBUSY); in atmci_interrupt()
2178 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2182 atmci_read_data_pio(host); in atmci_interrupt()
2184 atmci_write_data_pio(host); in atmci_interrupt()
2187 dev_dbg(&host->pdev->dev, "IRQ: cmd ready\n"); in atmci_interrupt()
2188 atmci_writel(host, ATMCI_IDR, ATMCI_CMDRDY); in atmci_interrupt()
2189 host->cmd_status = status; in atmci_interrupt()
2191 dev_dbg(&host->pdev->dev, "set pending cmd rdy\n"); in atmci_interrupt()
2192 atmci_set_pending(host, EVENT_CMD_RDY); in atmci_interrupt()
2193 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2197 atmci_sdio_interrupt(host, status); in atmci_interrupt()
2219 static int atmci_init_slot(struct atmel_mci *host, in atmci_init_slot() argument
2226 mmc = mmc_alloc_host(sizeof(struct atmel_mci_slot), &host->pdev->dev); in atmci_init_slot()
2232 slot->host = host; in atmci_init_slot()
2247 mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512); in atmci_init_slot()
2248 mmc->f_max = host->bus_hz / 2; in atmci_init_slot()
2252 if (host->caps.has_highspeed) in atmci_init_slot()
2259 if ((slot_data->bus_width >= 4) && host->caps.has_rwproof) { in atmci_init_slot()
2265 if (atmci_get_version(host) < 0x200) { in atmci_init_slot()
2281 if (devm_gpio_request(&host->pdev->dev, slot->detect_pin, in atmci_init_slot()
2299 if (devm_gpio_request(&host->pdev->dev, slot->wp_pin, in atmci_init_slot()
2306 host->slot[id] = slot; in atmci_init_slot()
2349 slot->host->slot[id] = NULL; in atmci_cleanup_slot()
2353 static int atmci_configure_dma(struct atmel_mci *host) in atmci_configure_dma() argument
2355 host->dma.chan = dma_request_chan(&host->pdev->dev, "rxtx"); in atmci_configure_dma()
2357 if (PTR_ERR(host->dma.chan) == -ENODEV) { in atmci_configure_dma()
2358 struct mci_platform_data *pdata = host->pdev->dev.platform_data; in atmci_configure_dma()
2367 host->dma.chan = dma_request_channel(mask, pdata->dma_filter, in atmci_configure_dma()
2369 if (!host->dma.chan) in atmci_configure_dma()
2370 host->dma.chan = ERR_PTR(-ENODEV); in atmci_configure_dma()
2373 if (IS_ERR(host->dma.chan)) in atmci_configure_dma()
2374 return PTR_ERR(host->dma.chan); in atmci_configure_dma()
2376 dev_info(&host->pdev->dev, "using %s for DMA transfers\n", in atmci_configure_dma()
2377 dma_chan_name(host->dma.chan)); in atmci_configure_dma()
2379 host->dma_conf.src_addr = host->mapbase + ATMCI_RDR; in atmci_configure_dma()
2380 host->dma_conf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in atmci_configure_dma()
2381 host->dma_conf.src_maxburst = 1; in atmci_configure_dma()
2382 host->dma_conf.dst_addr = host->mapbase + ATMCI_TDR; in atmci_configure_dma()
2383 host->dma_conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in atmci_configure_dma()
2384 host->dma_conf.dst_maxburst = 1; in atmci_configure_dma()
2385 host->dma_conf.device_fc = false; in atmci_configure_dma()
2395 static void atmci_get_cap(struct atmel_mci *host) in atmci_get_cap() argument
2399 version = atmci_get_version(host); in atmci_get_cap()
2400 dev_info(&host->pdev->dev, in atmci_get_cap()
2403 host->caps.has_dma_conf_reg = false; in atmci_get_cap()
2404 host->caps.has_pdc = true; in atmci_get_cap()
2405 host->caps.has_cfg_reg = false; in atmci_get_cap()
2406 host->caps.has_cstor_reg = false; in atmci_get_cap()
2407 host->caps.has_highspeed = false; in atmci_get_cap()
2408 host->caps.has_rwproof = false; in atmci_get_cap()
2409 host->caps.has_odd_clk_div = false; in atmci_get_cap()
2410 host->caps.has_bad_data_ordering = true; in atmci_get_cap()
2411 host->caps.need_reset_after_xfer = true; in atmci_get_cap()
2412 host->caps.need_blksz_mul_4 = true; in atmci_get_cap()
2413 host->caps.need_notbusy_for_read_ops = false; in atmci_get_cap()
2419 host->caps.has_odd_clk_div = true; in atmci_get_cap()
2423 host->caps.has_dma_conf_reg = true; in atmci_get_cap()
2424 host->caps.has_pdc = false; in atmci_get_cap()
2425 host->caps.has_cfg_reg = true; in atmci_get_cap()
2426 host->caps.has_cstor_reg = true; in atmci_get_cap()
2427 host->caps.has_highspeed = true; in atmci_get_cap()
2430 host->caps.has_rwproof = true; in atmci_get_cap()
2431 host->caps.need_blksz_mul_4 = false; in atmci_get_cap()
2432 host->caps.need_notbusy_for_read_ops = true; in atmci_get_cap()
2435 host->caps.has_bad_data_ordering = false; in atmci_get_cap()
2436 host->caps.need_reset_after_xfer = false; in atmci_get_cap()
2441 host->caps.has_pdc = false; in atmci_get_cap()
2442 dev_warn(&host->pdev->dev, in atmci_get_cap()
2451 struct atmel_mci *host; in atmci_probe() local
2473 host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); in atmci_probe()
2474 if (!host) in atmci_probe()
2477 host->pdev = pdev; in atmci_probe()
2478 spin_lock_init(&host->lock); in atmci_probe()
2479 INIT_LIST_HEAD(&host->queue); in atmci_probe()
2481 host->mck = devm_clk_get(&pdev->dev, "mci_clk"); in atmci_probe()
2482 if (IS_ERR(host->mck)) in atmci_probe()
2483 return PTR_ERR(host->mck); in atmci_probe()
2485 host->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs)); in atmci_probe()
2486 if (!host->regs) in atmci_probe()
2489 ret = clk_prepare_enable(host->mck); in atmci_probe()
2493 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_probe()
2494 host->bus_hz = clk_get_rate(host->mck); in atmci_probe()
2496 host->mapbase = regs->start; in atmci_probe()
2498 tasklet_setup(&host->tasklet, atmci_tasklet_func); in atmci_probe()
2500 ret = request_irq(irq, atmci_interrupt, 0, dev_name(&pdev->dev), host); in atmci_probe()
2502 clk_disable_unprepare(host->mck); in atmci_probe()
2507 atmci_get_cap(host); in atmci_probe()
2508 ret = atmci_configure_dma(host); in atmci_probe()
2512 host->prepare_data = &atmci_prepare_data_dma; in atmci_probe()
2513 host->submit_data = &atmci_submit_data_dma; in atmci_probe()
2514 host->stop_transfer = &atmci_stop_transfer_dma; in atmci_probe()
2515 } else if (host->caps.has_pdc) { in atmci_probe()
2517 host->prepare_data = &atmci_prepare_data_pdc; in atmci_probe()
2518 host->submit_data = &atmci_submit_data_pdc; in atmci_probe()
2519 host->stop_transfer = &atmci_stop_transfer_pdc; in atmci_probe()
2522 host->prepare_data = &atmci_prepare_data; in atmci_probe()
2523 host->submit_data = &atmci_submit_data; in atmci_probe()
2524 host->stop_transfer = &atmci_stop_transfer; in atmci_probe()
2527 platform_set_drvdata(pdev, host); in atmci_probe()
2529 timer_setup(&host->timer, atmci_timeout_timer, 0); in atmci_probe()
2541 ret = atmci_init_slot(host, &pdata->slot[0], in atmci_probe()
2545 host->buf_size = host->slot[0]->mmc->max_req_size; in atmci_probe()
2549 ret = atmci_init_slot(host, &pdata->slot[1], in atmci_probe()
2553 if (host->slot[1]->mmc->max_req_size > host->buf_size) in atmci_probe()
2554 host->buf_size = in atmci_probe()
2555 host->slot[1]->mmc->max_req_size; in atmci_probe()
2564 if (!host->caps.has_rwproof) { in atmci_probe()
2565 host->buffer = dma_alloc_coherent(&pdev->dev, host->buf_size, in atmci_probe()
2566 &host->buf_phys_addr, in atmci_probe()
2568 if (!host->buffer) { in atmci_probe()
2577 host->mapbase, irq, nr_slots); in atmci_probe()
2579 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_probe()
2586 if (host->slot[i]) in atmci_probe()
2587 atmci_cleanup_slot(host->slot[i], i); in atmci_probe()
2590 clk_disable_unprepare(host->mck); in atmci_probe()
2595 del_timer_sync(&host->timer); in atmci_probe()
2596 if (!IS_ERR(host->dma.chan)) in atmci_probe()
2597 dma_release_channel(host->dma.chan); in atmci_probe()
2599 free_irq(irq, host); in atmci_probe()
2605 struct atmel_mci *host = platform_get_drvdata(pdev); in atmci_remove() local
2610 if (host->buffer) in atmci_remove()
2611 dma_free_coherent(&pdev->dev, host->buf_size, in atmci_remove()
2612 host->buffer, host->buf_phys_addr); in atmci_remove()
2615 if (host->slot[i]) in atmci_remove()
2616 atmci_cleanup_slot(host->slot[i], i); in atmci_remove()
2619 atmci_writel(host, ATMCI_IDR, ~0UL); in atmci_remove()
2620 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS); in atmci_remove()
2621 atmci_readl(host, ATMCI_SR); in atmci_remove()
2623 del_timer_sync(&host->timer); in atmci_remove()
2624 if (!IS_ERR(host->dma.chan)) in atmci_remove()
2625 dma_release_channel(host->dma.chan); in atmci_remove()
2627 free_irq(platform_get_irq(pdev, 0), host); in atmci_remove()
2629 clk_disable_unprepare(host->mck); in atmci_remove()
2640 struct atmel_mci *host = dev_get_drvdata(dev); in atmci_runtime_suspend() local
2642 clk_disable_unprepare(host->mck); in atmci_runtime_suspend()
2651 struct atmel_mci *host = dev_get_drvdata(dev); in atmci_runtime_resume() local
2655 return clk_prepare_enable(host->mck); in atmci_runtime_resume()