Lines Matching refs:host
226 u32 (*prepare_data)(struct atmel_mci *host, struct mmc_data *data);
227 void (*submit_data)(struct atmel_mci *host, struct mmc_data *data);
228 void (*stop_transfer)(struct atmel_mci *host);
252 struct atmel_mci *host; member
273 #define atmci_test_and_clear_pending(host, event) \ argument
274 test_and_clear_bit(event, &host->pending_events)
275 #define atmci_set_completed(host, event) \ argument
276 set_bit(event, &host->completed_events)
277 #define atmci_set_pending(host, event) \ argument
278 set_bit(event, &host->pending_events)
293 spin_lock_bh(&slot->host->lock); in atmci_req_show()
319 spin_unlock_bh(&slot->host->lock); in atmci_req_show()
385 struct atmel_mci *host = s->private; in atmci_regs_show() local
394 pm_runtime_get_sync(&host->pdev->dev); in atmci_regs_show()
401 spin_lock_bh(&host->lock); in atmci_regs_show()
402 memcpy_fromio(buf, host->regs, ATMCI_REGS_SIZE); in atmci_regs_show()
403 spin_unlock_bh(&host->lock); in atmci_regs_show()
405 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_regs_show()
406 pm_runtime_put_autosuspend(&host->pdev->dev); in atmci_regs_show()
412 if (host->caps.has_odd_clk_div) in atmci_regs_show()
426 if (host->caps.has_cstor_reg) in atmci_regs_show()
434 if (host->caps.has_dma_conf_reg) { in atmci_regs_show()
444 if (host->caps.has_cfg_reg) { in atmci_regs_show()
477 struct atmel_mci *host = slot->host; in atmci_init_debugfs() local
485 node = debugfs_create_file("regs", S_IRUSR, root, host, in atmci_init_debugfs()
496 node = debugfs_create_u32("state", S_IRUSR, root, (u32 *)&host->state); in atmci_init_debugfs()
501 (u32 *)&host->pending_events); in atmci_init_debugfs()
506 (u32 *)&host->completed_events); in atmci_init_debugfs()
583 static inline unsigned int atmci_get_version(struct atmel_mci *host) in atmci_get_version() argument
585 return atmci_readl(host, ATMCI_VERSION) & 0x00000fff; in atmci_get_version()
590 struct atmel_mci *host; in atmci_timeout_timer() local
592 host = (struct atmel_mci *)data; in atmci_timeout_timer()
594 dev_dbg(&host->pdev->dev, "software timeout\n"); in atmci_timeout_timer()
596 if (host->mrq->cmd->data) { in atmci_timeout_timer()
597 host->mrq->cmd->data->error = -ETIMEDOUT; in atmci_timeout_timer()
598 host->data = NULL; in atmci_timeout_timer()
604 if (host->state == STATE_DATA_XFER) in atmci_timeout_timer()
605 host->stop_transfer(host); in atmci_timeout_timer()
607 host->mrq->cmd->error = -ETIMEDOUT; in atmci_timeout_timer()
608 host->cmd = NULL; in atmci_timeout_timer()
610 host->need_reset = 1; in atmci_timeout_timer()
611 host->state = STATE_END_REQUEST; in atmci_timeout_timer()
613 tasklet_schedule(&host->tasklet); in atmci_timeout_timer()
616 static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host, in atmci_ns_to_clocks() argument
626 return us * (DIV_ROUND_UP(host->bus_hz, 2000000)); in atmci_ns_to_clocks()
629 static void atmci_set_timeout(struct atmel_mci *host, in atmci_set_timeout() argument
639 timeout = atmci_ns_to_clocks(host, data->timeout_ns) in atmci_set_timeout()
656 atmci_writel(host, ATMCI_DTOR, (ATMCI_DTOMUL(dtomul) | ATMCI_DTOCYC(dtocyc))); in atmci_set_timeout()
711 static void atmci_send_command(struct atmel_mci *host, in atmci_send_command() argument
714 WARN_ON(host->cmd); in atmci_send_command()
715 host->cmd = cmd; in atmci_send_command()
717 dev_vdbg(&host->pdev->dev, in atmci_send_command()
721 atmci_writel(host, ATMCI_ARGR, cmd->arg); in atmci_send_command()
722 atmci_writel(host, ATMCI_CMDR, cmd_flags); in atmci_send_command()
725 static void atmci_send_stop_cmd(struct atmel_mci *host, struct mmc_data *data) in atmci_send_stop_cmd() argument
727 dev_dbg(&host->pdev->dev, "send stop command\n"); in atmci_send_stop_cmd()
728 atmci_send_command(host, data->stop, host->stop_cmdr); in atmci_send_stop_cmd()
729 atmci_writel(host, ATMCI_IER, ATMCI_CMDRDY); in atmci_send_stop_cmd()
736 static void atmci_pdc_set_single_buf(struct atmel_mci *host, in atmci_pdc_set_single_buf() argument
755 if (!host->caps.has_rwproof) { in atmci_pdc_set_single_buf()
756 buf_size = host->buf_size; in atmci_pdc_set_single_buf()
757 atmci_writel(host, pointer_reg, host->buf_phys_addr); in atmci_pdc_set_single_buf()
759 buf_size = sg_dma_len(host->sg); in atmci_pdc_set_single_buf()
760 atmci_writel(host, pointer_reg, sg_dma_address(host->sg)); in atmci_pdc_set_single_buf()
763 if (host->data_size <= buf_size) { in atmci_pdc_set_single_buf()
764 if (host->data_size & 0x3) { in atmci_pdc_set_single_buf()
766 atmci_writel(host, counter_reg, host->data_size); in atmci_pdc_set_single_buf()
767 atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCFBYTE); in atmci_pdc_set_single_buf()
770 atmci_writel(host, counter_reg, host->data_size / 4); in atmci_pdc_set_single_buf()
772 host->data_size = 0; in atmci_pdc_set_single_buf()
775 atmci_writel(host, counter_reg, sg_dma_len(host->sg) / 4); in atmci_pdc_set_single_buf()
776 host->data_size -= sg_dma_len(host->sg); in atmci_pdc_set_single_buf()
777 if (host->data_size) in atmci_pdc_set_single_buf()
778 host->sg = sg_next(host->sg); in atmci_pdc_set_single_buf()
787 static void atmci_pdc_set_both_buf(struct atmel_mci *host, int dir) in atmci_pdc_set_both_buf() argument
789 atmci_pdc_set_single_buf(host, dir, PDC_FIRST_BUF); in atmci_pdc_set_both_buf()
790 if (host->data_size) in atmci_pdc_set_both_buf()
791 atmci_pdc_set_single_buf(host, dir, PDC_SECOND_BUF); in atmci_pdc_set_both_buf()
797 static void atmci_pdc_cleanup(struct atmel_mci *host) in atmci_pdc_cleanup() argument
799 struct mmc_data *data = host->data; in atmci_pdc_cleanup()
802 dma_unmap_sg(&host->pdev->dev, in atmci_pdc_cleanup()
813 static void atmci_pdc_complete(struct atmel_mci *host) in atmci_pdc_complete() argument
815 int transfer_size = host->data->blocks * host->data->blksz; in atmci_pdc_complete()
818 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); in atmci_pdc_complete()
820 if ((!host->caps.has_rwproof) in atmci_pdc_complete()
821 && (host->data->flags & MMC_DATA_READ)) { in atmci_pdc_complete()
822 if (host->caps.has_bad_data_ordering) in atmci_pdc_complete()
824 host->buffer[i] = swab32(host->buffer[i]); in atmci_pdc_complete()
825 sg_copy_from_buffer(host->data->sg, host->data->sg_len, in atmci_pdc_complete()
826 host->buffer, transfer_size); in atmci_pdc_complete()
829 atmci_pdc_cleanup(host); in atmci_pdc_complete()
831 dev_dbg(&host->pdev->dev, "(%s) set pending xfer complete\n", __func__); in atmci_pdc_complete()
832 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_pdc_complete()
833 tasklet_schedule(&host->tasklet); in atmci_pdc_complete()
836 static void atmci_dma_cleanup(struct atmel_mci *host) in atmci_dma_cleanup() argument
838 struct mmc_data *data = host->data; in atmci_dma_cleanup()
841 dma_unmap_sg(host->dma.chan->device->dev, in atmci_dma_cleanup()
852 struct atmel_mci *host = arg; in atmci_dma_complete() local
853 struct mmc_data *data = host->data; in atmci_dma_complete()
855 dev_vdbg(&host->pdev->dev, "DMA complete\n"); in atmci_dma_complete()
857 if (host->caps.has_dma_conf_reg) in atmci_dma_complete()
859 atmci_writel(host, ATMCI_DMA, atmci_readl(host, ATMCI_DMA) & ~ATMCI_DMAEN); in atmci_dma_complete()
861 atmci_dma_cleanup(host); in atmci_dma_complete()
868 dev_dbg(&host->pdev->dev, in atmci_dma_complete()
870 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_dma_complete()
871 tasklet_schedule(&host->tasklet); in atmci_dma_complete()
893 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_dma_complete()
901 static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data() argument
907 host->sg = data->sg; in atmci_prepare_data()
908 host->sg_len = data->sg_len; in atmci_prepare_data()
909 host->data = data; in atmci_prepare_data()
910 host->data_chan = NULL; in atmci_prepare_data()
923 host->need_reset = true; in atmci_prepare_data()
925 host->pio_offset = 0; in atmci_prepare_data()
941 atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data_pdc() argument
950 host->data = data; in atmci_prepare_data_pdc()
951 host->sg = data->sg; in atmci_prepare_data_pdc()
955 atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCMODE); in atmci_prepare_data_pdc()
966 tmp = atmci_readl(host, ATMCI_MR); in atmci_prepare_data_pdc()
969 atmci_writel(host, ATMCI_MR, tmp); in atmci_prepare_data_pdc()
972 host->data_size = data->blocks * data->blksz; in atmci_prepare_data_pdc()
973 sg_len = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, dir); in atmci_prepare_data_pdc()
975 if ((!host->caps.has_rwproof) in atmci_prepare_data_pdc()
976 && (host->data->flags & MMC_DATA_WRITE)) { in atmci_prepare_data_pdc()
977 sg_copy_to_buffer(host->data->sg, host->data->sg_len, in atmci_prepare_data_pdc()
978 host->buffer, host->data_size); in atmci_prepare_data_pdc()
979 if (host->caps.has_bad_data_ordering) in atmci_prepare_data_pdc()
980 for (i = 0; i < host->data_size; i++) in atmci_prepare_data_pdc()
981 host->buffer[i] = swab32(host->buffer[i]); in atmci_prepare_data_pdc()
984 if (host->data_size) in atmci_prepare_data_pdc()
985 atmci_pdc_set_both_buf(host, in atmci_prepare_data_pdc()
992 atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data_dma() argument
1006 WARN_ON(host->data); in atmci_prepare_data_dma()
1007 host->sg = NULL; in atmci_prepare_data_dma()
1008 host->data = data; in atmci_prepare_data_dma()
1018 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1020 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1024 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1028 chan = host->dma.chan; in atmci_prepare_data_dma()
1030 host->data_chan = chan; in atmci_prepare_data_dma()
1037 host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM; in atmci_prepare_data_dma()
1038 maxburst = atmci_convert_chksize(host->dma_conf.src_maxburst); in atmci_prepare_data_dma()
1041 host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV; in atmci_prepare_data_dma()
1042 maxburst = atmci_convert_chksize(host->dma_conf.dst_maxburst); in atmci_prepare_data_dma()
1045 if (host->caps.has_dma_conf_reg) in atmci_prepare_data_dma()
1046 atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) | in atmci_prepare_data_dma()
1052 dmaengine_slave_config(chan, &host->dma_conf); in atmci_prepare_data_dma()
1059 host->dma.data_desc = desc; in atmci_prepare_data_dma()
1061 desc->callback_param = host; in atmci_prepare_data_dma()
1070 atmci_submit_data(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data() argument
1079 atmci_submit_data_pdc(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data_pdc() argument
1082 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN); in atmci_submit_data_pdc()
1084 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTEN); in atmci_submit_data_pdc()
1088 atmci_submit_data_dma(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data_dma() argument
1090 struct dma_chan *chan = host->data_chan; in atmci_submit_data_dma()
1091 struct dma_async_tx_descriptor *desc = host->dma.data_desc; in atmci_submit_data_dma()
1099 static void atmci_stop_transfer(struct atmel_mci *host) in atmci_stop_transfer() argument
1101 dev_dbg(&host->pdev->dev, in atmci_stop_transfer()
1103 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_stop_transfer()
1104 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_stop_transfer()
1110 static void atmci_stop_transfer_pdc(struct atmel_mci *host) in atmci_stop_transfer_pdc() argument
1112 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); in atmci_stop_transfer_pdc()
1115 static void atmci_stop_transfer_dma(struct atmel_mci *host) in atmci_stop_transfer_dma() argument
1117 struct dma_chan *chan = host->data_chan; in atmci_stop_transfer_dma()
1121 atmci_dma_cleanup(host); in atmci_stop_transfer_dma()
1124 dev_dbg(&host->pdev->dev, in atmci_stop_transfer_dma()
1126 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_stop_transfer_dma()
1127 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_stop_transfer_dma()
1135 static void atmci_start_request(struct atmel_mci *host, in atmci_start_request() argument
1145 host->cur_slot = slot; in atmci_start_request()
1146 host->mrq = mrq; in atmci_start_request()
1148 host->pending_events = 0; in atmci_start_request()
1149 host->completed_events = 0; in atmci_start_request()
1150 host->cmd_status = 0; in atmci_start_request()
1151 host->data_status = 0; in atmci_start_request()
1153 dev_dbg(&host->pdev->dev, "start request: cmd %u\n", mrq->cmd->opcode); in atmci_start_request()
1155 if (host->need_reset || host->caps.need_reset_after_xfer) { in atmci_start_request()
1156 iflags = atmci_readl(host, ATMCI_IMR); in atmci_start_request()
1158 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_start_request()
1159 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_start_request()
1160 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_start_request()
1161 if (host->caps.has_cfg_reg) in atmci_start_request()
1162 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_start_request()
1163 atmci_writel(host, ATMCI_IER, iflags); in atmci_start_request()
1164 host->need_reset = false; in atmci_start_request()
1166 atmci_writel(host, ATMCI_SDCR, slot->sdc_reg); in atmci_start_request()
1168 iflags = atmci_readl(host, ATMCI_IMR); in atmci_start_request()
1175 atmci_writel(host, ATMCI_CMDR, ATMCI_CMDR_SPCMD_INIT); in atmci_start_request()
1176 while (!(atmci_readl(host, ATMCI_SR) & ATMCI_CMDRDY)) in atmci_start_request()
1182 atmci_set_timeout(host, slot, data); in atmci_start_request()
1185 atmci_writel(host, ATMCI_BLKR, ATMCI_BCNT(data->blocks) in atmci_start_request()
1190 iflags |= host->prepare_data(host, data); in atmci_start_request()
1203 if (host->submit_data != &atmci_submit_data_dma) in atmci_start_request()
1204 atmci_send_command(host, cmd, cmdflags); in atmci_start_request()
1207 host->submit_data(host, data); in atmci_start_request()
1209 if (host->submit_data == &atmci_submit_data_dma) in atmci_start_request()
1210 atmci_send_command(host, cmd, cmdflags); in atmci_start_request()
1213 host->stop_cmdr = atmci_prepare_command(slot->mmc, mrq->stop); in atmci_start_request()
1214 host->stop_cmdr |= ATMCI_CMDR_STOP_XFER; in atmci_start_request()
1216 host->stop_cmdr |= ATMCI_CMDR_TRDIR_READ; in atmci_start_request()
1218 host->stop_cmdr |= ATMCI_CMDR_STREAM; in atmci_start_request()
1220 host->stop_cmdr |= ATMCI_CMDR_MULTI_BLOCK; in atmci_start_request()
1229 atmci_writel(host, ATMCI_IER, iflags); in atmci_start_request()
1231 mod_timer(&host->timer, jiffies + msecs_to_jiffies(2000)); in atmci_start_request()
1234 static void atmci_queue_request(struct atmel_mci *host, in atmci_queue_request() argument
1238 host->state); in atmci_queue_request()
1240 spin_lock_bh(&host->lock); in atmci_queue_request()
1242 if (host->state == STATE_IDLE) { in atmci_queue_request()
1243 host->state = STATE_SENDING_CMD; in atmci_queue_request()
1244 atmci_start_request(host, slot); in atmci_queue_request()
1246 dev_dbg(&host->pdev->dev, "queue request\n"); in atmci_queue_request()
1247 list_add_tail(&slot->queue_node, &host->queue); in atmci_queue_request()
1249 spin_unlock_bh(&host->lock); in atmci_queue_request()
1255 struct atmel_mci *host = slot->host; in atmci_request() local
1259 dev_dbg(&host->pdev->dev, "MRQ: cmd %u\n", mrq->cmd->opcode); in atmci_request()
1261 pm_runtime_get_sync(&host->pdev->dev); in atmci_request()
1284 atmci_queue_request(host, slot, mrq); in atmci_request()
1290 struct atmel_mci *host = slot->host; in atmci_set_ios() local
1293 pm_runtime_get_sync(&host->pdev->dev); in atmci_set_ios()
1309 spin_lock_bh(&host->lock); in atmci_set_ios()
1310 if (!host->mode_reg) { in atmci_set_ios()
1311 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_set_ios()
1312 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_set_ios()
1313 if (host->caps.has_cfg_reg) in atmci_set_ios()
1314 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_set_ios()
1323 if (host->slot[i] && host->slot[i]->clock in atmci_set_ios()
1324 && host->slot[i]->clock < clock_min) in atmci_set_ios()
1325 clock_min = host->slot[i]->clock; in atmci_set_ios()
1329 if (host->caps.has_odd_clk_div) { in atmci_set_ios()
1330 clkdiv = DIV_ROUND_UP(host->bus_hz, clock_min) - 2; in atmci_set_ios()
1334 clock_min, host->bus_hz / 2); in atmci_set_ios()
1339 clock_min, host->bus_hz / (511 + 2)); in atmci_set_ios()
1342 host->mode_reg = ATMCI_MR_CLKDIV(clkdiv >> 1) in atmci_set_ios()
1345 clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1; in atmci_set_ios()
1349 clock_min, host->bus_hz / (2 * 256)); in atmci_set_ios()
1352 host->mode_reg = ATMCI_MR_CLKDIV(clkdiv); in atmci_set_ios()
1360 if (host->caps.has_rwproof) in atmci_set_ios()
1361 host->mode_reg |= (ATMCI_MR_WRPROOF | ATMCI_MR_RDPROOF); in atmci_set_ios()
1363 if (host->caps.has_cfg_reg) { in atmci_set_ios()
1366 host->cfg_reg |= ATMCI_CFG_HSMODE; in atmci_set_ios()
1368 host->cfg_reg &= ~ATMCI_CFG_HSMODE; in atmci_set_ios()
1371 if (list_empty(&host->queue)) { in atmci_set_ios()
1372 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_set_ios()
1373 if (host->caps.has_cfg_reg) in atmci_set_ios()
1374 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_set_ios()
1376 host->need_clock_update = true; in atmci_set_ios()
1379 spin_unlock_bh(&host->lock); in atmci_set_ios()
1383 spin_lock_bh(&host->lock); in atmci_set_ios()
1386 if (host->slot[i] && host->slot[i]->clock) { in atmci_set_ios()
1392 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS); in atmci_set_ios()
1393 if (host->mode_reg) { in atmci_set_ios()
1394 atmci_readl(host, ATMCI_MR); in atmci_set_ios()
1396 host->mode_reg = 0; in atmci_set_ios()
1398 spin_unlock_bh(&host->lock); in atmci_set_ios()
1427 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_set_ios()
1428 pm_runtime_put_autosuspend(&host->pdev->dev); in atmci_set_ios()
1463 struct atmel_mci *host = slot->host; in atmci_enable_sdio_irq() local
1466 atmci_writel(host, ATMCI_IER, slot->sdio_irq); in atmci_enable_sdio_irq()
1468 atmci_writel(host, ATMCI_IDR, slot->sdio_irq); in atmci_enable_sdio_irq()
1480 static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq) in atmci_request_end() argument
1481 __releases(&host->lock) in atmci_request_end()
1482 __acquires(&host->lock) in atmci_request_end()
1485 struct mmc_host *prev_mmc = host->cur_slot->mmc; in atmci_request_end()
1487 WARN_ON(host->cmd || host->data); in atmci_request_end()
1494 if (host->need_clock_update) { in atmci_request_end()
1495 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_request_end()
1496 if (host->caps.has_cfg_reg) in atmci_request_end()
1497 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_request_end()
1500 host->cur_slot->mrq = NULL; in atmci_request_end()
1501 host->mrq = NULL; in atmci_request_end()
1502 if (!list_empty(&host->queue)) { in atmci_request_end()
1503 slot = list_entry(host->queue.next, in atmci_request_end()
1506 dev_vdbg(&host->pdev->dev, "list not empty: %s is next\n", in atmci_request_end()
1508 host->state = STATE_SENDING_CMD; in atmci_request_end()
1509 atmci_start_request(host, slot); in atmci_request_end()
1511 dev_vdbg(&host->pdev->dev, "list empty\n"); in atmci_request_end()
1512 host->state = STATE_IDLE; in atmci_request_end()
1515 del_timer(&host->timer); in atmci_request_end()
1517 spin_unlock(&host->lock); in atmci_request_end()
1519 spin_lock(&host->lock); in atmci_request_end()
1521 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_request_end()
1522 pm_runtime_put_autosuspend(&host->pdev->dev); in atmci_request_end()
1525 static void atmci_command_complete(struct atmel_mci *host, in atmci_command_complete() argument
1528 u32 status = host->cmd_status; in atmci_command_complete()
1531 cmd->resp[0] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1532 cmd->resp[1] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1533 cmd->resp[2] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1534 cmd->resp[3] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1542 else if (host->mrq->data && (host->mrq->data->blksz & 3)) { in atmci_command_complete()
1543 if (host->caps.need_blksz_mul_4) { in atmci_command_complete()
1545 host->need_reset = 1; in atmci_command_complete()
1576 struct atmel_mci *host = slot->host; in atmci_detect_change() local
1582 spin_lock(&host->lock); in atmci_detect_change()
1592 if (mrq == host->mrq) { in atmci_detect_change()
1597 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_detect_change()
1598 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_detect_change()
1599 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_detect_change()
1600 if (host->caps.has_cfg_reg) in atmci_detect_change()
1601 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_detect_change()
1603 host->data = NULL; in atmci_detect_change()
1604 host->cmd = NULL; in atmci_detect_change()
1606 switch (host->state) { in atmci_detect_change()
1612 host->stop_transfer(host); in atmci_detect_change()
1616 host->stop_transfer(host); in atmci_detect_change()
1628 atmci_request_end(host, mrq); in atmci_detect_change()
1637 spin_unlock(&host->lock); in atmci_detect_change()
1639 spin_lock(&host->lock); in atmci_detect_change()
1642 spin_unlock(&host->lock); in atmci_detect_change()
1650 struct atmel_mci *host = (struct atmel_mci *)priv; in atmci_tasklet_func() local
1651 struct mmc_request *mrq = host->mrq; in atmci_tasklet_func()
1652 struct mmc_data *data = host->data; in atmci_tasklet_func()
1653 enum atmel_mci_state state = host->state; in atmci_tasklet_func()
1657 spin_lock(&host->lock); in atmci_tasklet_func()
1659 state = host->state; in atmci_tasklet_func()
1661 dev_vdbg(&host->pdev->dev, in atmci_tasklet_func()
1663 state, host->pending_events, host->completed_events, in atmci_tasklet_func()
1664 atmci_readl(host, ATMCI_IMR)); in atmci_tasklet_func()
1668 dev_dbg(&host->pdev->dev, "FSM: state=%d\n", state); in atmci_tasklet_func()
1681 dev_dbg(&host->pdev->dev, "FSM: cmd ready?\n"); in atmci_tasklet_func()
1682 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1686 dev_dbg(&host->pdev->dev, "set completed cmd ready\n"); in atmci_tasklet_func()
1687 host->cmd = NULL; in atmci_tasklet_func()
1688 atmci_set_completed(host, EVENT_CMD_RDY); in atmci_tasklet_func()
1689 atmci_command_complete(host, mrq->cmd); in atmci_tasklet_func()
1691 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1698 host->stop_transfer(host); in atmci_tasklet_func()
1699 host->data = NULL; in atmci_tasklet_func()
1700 atmci_writel(host, ATMCI_IDR, in atmci_tasklet_func()
1707 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1709 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1717 if (atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1719 dev_dbg(&host->pdev->dev, "set completed data error\n"); in atmci_tasklet_func()
1720 atmci_set_completed(host, EVENT_DATA_ERROR); in atmci_tasklet_func()
1732 dev_dbg(&host->pdev->dev, "FSM: xfer complete?\n"); in atmci_tasklet_func()
1733 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1737 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1740 atmci_set_completed(host, EVENT_XFER_COMPLETE); in atmci_tasklet_func()
1742 if (host->caps.need_notbusy_for_read_ops || in atmci_tasklet_func()
1743 (host->data->flags & MMC_DATA_WRITE)) { in atmci_tasklet_func()
1744 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1746 } else if (host->mrq->stop) { in atmci_tasklet_func()
1747 atmci_writel(host, ATMCI_IER, ATMCI_CMDRDY); in atmci_tasklet_func()
1748 atmci_send_stop_cmd(host, data); in atmci_tasklet_func()
1751 host->data = NULL; in atmci_tasklet_func()
1765 dev_dbg(&host->pdev->dev, "FSM: not busy?\n"); in atmci_tasklet_func()
1766 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1770 dev_dbg(&host->pdev->dev, "set completed not busy\n"); in atmci_tasklet_func()
1771 atmci_set_completed(host, EVENT_NOTBUSY); in atmci_tasklet_func()
1773 if (host->data) { in atmci_tasklet_func()
1779 if (host->mrq->stop) { in atmci_tasklet_func()
1780 atmci_writel(host, ATMCI_IER, in atmci_tasklet_func()
1782 atmci_send_stop_cmd(host, data); in atmci_tasklet_func()
1785 host->data = NULL; in atmci_tasklet_func()
1802 dev_dbg(&host->pdev->dev, "FSM: cmd ready?\n"); in atmci_tasklet_func()
1803 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1807 dev_dbg(&host->pdev->dev, "FSM: cmd ready\n"); in atmci_tasklet_func()
1808 host->cmd = NULL; in atmci_tasklet_func()
1811 atmci_command_complete(host, mrq->stop); in atmci_tasklet_func()
1813 host->stop_transfer(host); in atmci_tasklet_func()
1814 atmci_writel(host, ATMCI_IDR, in atmci_tasklet_func()
1819 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1822 host->data = NULL; in atmci_tasklet_func()
1826 atmci_writel(host, ATMCI_IDR, ATMCI_TXRDY | ATMCI_RXRDY in atmci_tasklet_func()
1828 status = host->data_status; in atmci_tasklet_func()
1830 host->stop_transfer(host); in atmci_tasklet_func()
1831 host->data = NULL; in atmci_tasklet_func()
1843 atmci_request_end(host, host->mrq); in atmci_tasklet_func()
1849 host->state = state; in atmci_tasklet_func()
1851 spin_unlock(&host->lock); in atmci_tasklet_func()
1854 static void atmci_read_data_pio(struct atmel_mci *host) in atmci_read_data_pio() argument
1856 struct scatterlist *sg = host->sg; in atmci_read_data_pio()
1858 unsigned int offset = host->pio_offset; in atmci_read_data_pio()
1859 struct mmc_data *data = host->data; in atmci_read_data_pio()
1865 value = atmci_readl(host, ATMCI_RDR); in atmci_read_data_pio()
1874 host->sg = sg = sg_next(sg); in atmci_read_data_pio()
1875 host->sg_len--; in atmci_read_data_pio()
1876 if (!sg || !host->sg_len) in atmci_read_data_pio()
1888 host->sg = sg = sg_next(sg); in atmci_read_data_pio()
1889 host->sg_len--; in atmci_read_data_pio()
1890 if (!sg || !host->sg_len) in atmci_read_data_pio()
1899 status = atmci_readl(host, ATMCI_SR); in atmci_read_data_pio()
1901 atmci_writel(host, ATMCI_IDR, (ATMCI_NOTBUSY | ATMCI_RXRDY in atmci_read_data_pio()
1903 host->data_status = status; in atmci_read_data_pio()
1909 host->pio_offset = offset; in atmci_read_data_pio()
1915 atmci_writel(host, ATMCI_IDR, ATMCI_RXRDY); in atmci_read_data_pio()
1916 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_read_data_pio()
1919 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_read_data_pio()
1922 static void atmci_write_data_pio(struct atmel_mci *host) in atmci_write_data_pio() argument
1924 struct scatterlist *sg = host->sg; in atmci_write_data_pio()
1926 unsigned int offset = host->pio_offset; in atmci_write_data_pio()
1927 struct mmc_data *data = host->data; in atmci_write_data_pio()
1935 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
1940 host->sg = sg = sg_next(sg); in atmci_write_data_pio()
1941 host->sg_len--; in atmci_write_data_pio()
1942 if (!sg || !host->sg_len) in atmci_write_data_pio()
1955 host->sg = sg = sg_next(sg); in atmci_write_data_pio()
1956 host->sg_len--; in atmci_write_data_pio()
1957 if (!sg || !host->sg_len) { in atmci_write_data_pio()
1958 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
1965 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
1969 status = atmci_readl(host, ATMCI_SR); in atmci_write_data_pio()
1971 atmci_writel(host, ATMCI_IDR, (ATMCI_NOTBUSY | ATMCI_TXRDY in atmci_write_data_pio()
1973 host->data_status = status; in atmci_write_data_pio()
1979 host->pio_offset = offset; in atmci_write_data_pio()
1985 atmci_writel(host, ATMCI_IDR, ATMCI_TXRDY); in atmci_write_data_pio()
1986 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_write_data_pio()
1989 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_write_data_pio()
1992 static void atmci_sdio_interrupt(struct atmel_mci *host, u32 status) in atmci_sdio_interrupt() argument
1997 struct atmel_mci_slot *slot = host->slot[i]; in atmci_sdio_interrupt()
2007 struct atmel_mci *host = dev_id; in atmci_interrupt() local
2012 status = atmci_readl(host, ATMCI_SR); in atmci_interrupt()
2013 mask = atmci_readl(host, ATMCI_IMR); in atmci_interrupt()
2019 dev_dbg(&host->pdev->dev, "IRQ: data error\n"); in atmci_interrupt()
2020 atmci_writel(host, ATMCI_IDR, ATMCI_DATA_ERROR_FLAGS in atmci_interrupt()
2025 host->data_status = status; in atmci_interrupt()
2026 dev_dbg(&host->pdev->dev, "set pending data error\n"); in atmci_interrupt()
2028 atmci_set_pending(host, EVENT_DATA_ERROR); in atmci_interrupt()
2029 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2033 dev_dbg(&host->pdev->dev, "IRQ: tx buffer empty\n"); in atmci_interrupt()
2034 atmci_writel(host, ATMCI_IDR, ATMCI_TXBUFE); in atmci_interrupt()
2035 atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); in atmci_interrupt()
2041 if (host->data_size) { in atmci_interrupt()
2042 atmci_pdc_set_both_buf(host, XFER_TRANSMIT); in atmci_interrupt()
2043 atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); in atmci_interrupt()
2044 atmci_writel(host, ATMCI_IER, ATMCI_TXBUFE); in atmci_interrupt()
2046 atmci_pdc_complete(host); in atmci_interrupt()
2049 dev_dbg(&host->pdev->dev, "IRQ: end of tx buffer\n"); in atmci_interrupt()
2050 atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); in atmci_interrupt()
2052 if (host->data_size) { in atmci_interrupt()
2053 atmci_pdc_set_single_buf(host, in atmci_interrupt()
2055 atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); in atmci_interrupt()
2060 dev_dbg(&host->pdev->dev, "IRQ: rx buffer full\n"); in atmci_interrupt()
2061 atmci_writel(host, ATMCI_IDR, ATMCI_RXBUFF); in atmci_interrupt()
2062 atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); in atmci_interrupt()
2068 if (host->data_size) { in atmci_interrupt()
2069 atmci_pdc_set_both_buf(host, XFER_RECEIVE); in atmci_interrupt()
2070 atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); in atmci_interrupt()
2071 atmci_writel(host, ATMCI_IER, ATMCI_RXBUFF); in atmci_interrupt()
2073 atmci_pdc_complete(host); in atmci_interrupt()
2076 dev_dbg(&host->pdev->dev, "IRQ: end of rx buffer\n"); in atmci_interrupt()
2077 atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); in atmci_interrupt()
2079 if (host->data_size) { in atmci_interrupt()
2080 atmci_pdc_set_single_buf(host, in atmci_interrupt()
2082 atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); in atmci_interrupt()
2093 dev_dbg(&host->pdev->dev, "IRQ: blke\n"); in atmci_interrupt()
2094 atmci_writel(host, ATMCI_IDR, ATMCI_BLKE); in atmci_interrupt()
2096 dev_dbg(&host->pdev->dev, "set pending notbusy\n"); in atmci_interrupt()
2097 atmci_set_pending(host, EVENT_NOTBUSY); in atmci_interrupt()
2098 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2102 dev_dbg(&host->pdev->dev, "IRQ: not_busy\n"); in atmci_interrupt()
2103 atmci_writel(host, ATMCI_IDR, ATMCI_NOTBUSY); in atmci_interrupt()
2105 dev_dbg(&host->pdev->dev, "set pending notbusy\n"); in atmci_interrupt()
2106 atmci_set_pending(host, EVENT_NOTBUSY); in atmci_interrupt()
2107 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2111 atmci_read_data_pio(host); in atmci_interrupt()
2113 atmci_write_data_pio(host); in atmci_interrupt()
2116 dev_dbg(&host->pdev->dev, "IRQ: cmd ready\n"); in atmci_interrupt()
2117 atmci_writel(host, ATMCI_IDR, ATMCI_CMDRDY); in atmci_interrupt()
2118 host->cmd_status = status; in atmci_interrupt()
2120 dev_dbg(&host->pdev->dev, "set pending cmd rdy\n"); in atmci_interrupt()
2121 atmci_set_pending(host, EVENT_CMD_RDY); in atmci_interrupt()
2122 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2126 atmci_sdio_interrupt(host, status); in atmci_interrupt()
2148 static int atmci_init_slot(struct atmel_mci *host, in atmci_init_slot() argument
2155 mmc = mmc_alloc_host(sizeof(struct atmel_mci_slot), &host->pdev->dev); in atmci_init_slot()
2161 slot->host = host; in atmci_init_slot()
2176 mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512); in atmci_init_slot()
2177 mmc->f_max = host->bus_hz / 2; in atmci_init_slot()
2181 if (host->caps.has_highspeed) in atmci_init_slot()
2188 if ((slot_data->bus_width >= 4) && host->caps.has_rwproof) in atmci_init_slot()
2191 if (atmci_get_version(host) < 0x200) { in atmci_init_slot()
2207 if (devm_gpio_request(&host->pdev->dev, slot->detect_pin, in atmci_init_slot()
2225 if (devm_gpio_request(&host->pdev->dev, slot->wp_pin, in atmci_init_slot()
2232 host->slot[id] = slot; in atmci_init_slot()
2276 slot->host->slot[id] = NULL; in atmci_cleanup_slot()
2280 static int atmci_configure_dma(struct atmel_mci *host) in atmci_configure_dma() argument
2282 host->dma.chan = dma_request_slave_channel_reason(&host->pdev->dev, in atmci_configure_dma()
2285 if (PTR_ERR(host->dma.chan) == -ENODEV) { in atmci_configure_dma()
2286 struct mci_platform_data *pdata = host->pdev->dev.platform_data; in atmci_configure_dma()
2295 host->dma.chan = dma_request_channel(mask, pdata->dma_filter, in atmci_configure_dma()
2297 if (!host->dma.chan) in atmci_configure_dma()
2298 host->dma.chan = ERR_PTR(-ENODEV); in atmci_configure_dma()
2301 if (IS_ERR(host->dma.chan)) in atmci_configure_dma()
2302 return PTR_ERR(host->dma.chan); in atmci_configure_dma()
2304 dev_info(&host->pdev->dev, "using %s for DMA transfers\n", in atmci_configure_dma()
2305 dma_chan_name(host->dma.chan)); in atmci_configure_dma()
2307 host->dma_conf.src_addr = host->mapbase + ATMCI_RDR; in atmci_configure_dma()
2308 host->dma_conf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in atmci_configure_dma()
2309 host->dma_conf.src_maxburst = 1; in atmci_configure_dma()
2310 host->dma_conf.dst_addr = host->mapbase + ATMCI_TDR; in atmci_configure_dma()
2311 host->dma_conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in atmci_configure_dma()
2312 host->dma_conf.dst_maxburst = 1; in atmci_configure_dma()
2313 host->dma_conf.device_fc = false; in atmci_configure_dma()
2323 static void atmci_get_cap(struct atmel_mci *host) in atmci_get_cap() argument
2327 version = atmci_get_version(host); in atmci_get_cap()
2328 dev_info(&host->pdev->dev, in atmci_get_cap()
2331 host->caps.has_dma_conf_reg = 0; in atmci_get_cap()
2332 host->caps.has_pdc = ATMCI_PDC_CONNECTED; in atmci_get_cap()
2333 host->caps.has_cfg_reg = 0; in atmci_get_cap()
2334 host->caps.has_cstor_reg = 0; in atmci_get_cap()
2335 host->caps.has_highspeed = 0; in atmci_get_cap()
2336 host->caps.has_rwproof = 0; in atmci_get_cap()
2337 host->caps.has_odd_clk_div = 0; in atmci_get_cap()
2338 host->caps.has_bad_data_ordering = 1; in atmci_get_cap()
2339 host->caps.need_reset_after_xfer = 1; in atmci_get_cap()
2340 host->caps.need_blksz_mul_4 = 1; in atmci_get_cap()
2341 host->caps.need_notbusy_for_read_ops = 0; in atmci_get_cap()
2347 host->caps.has_odd_clk_div = 1; in atmci_get_cap()
2350 host->caps.has_dma_conf_reg = 1; in atmci_get_cap()
2351 host->caps.has_pdc = 0; in atmci_get_cap()
2352 host->caps.has_cfg_reg = 1; in atmci_get_cap()
2353 host->caps.has_cstor_reg = 1; in atmci_get_cap()
2354 host->caps.has_highspeed = 1; in atmci_get_cap()
2356 host->caps.has_rwproof = 1; in atmci_get_cap()
2357 host->caps.need_blksz_mul_4 = 0; in atmci_get_cap()
2358 host->caps.need_notbusy_for_read_ops = 1; in atmci_get_cap()
2360 host->caps.has_bad_data_ordering = 0; in atmci_get_cap()
2361 host->caps.need_reset_after_xfer = 0; in atmci_get_cap()
2365 host->caps.has_pdc = 0; in atmci_get_cap()
2366 dev_warn(&host->pdev->dev, in atmci_get_cap()
2375 struct atmel_mci *host; in atmci_probe() local
2397 host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); in atmci_probe()
2398 if (!host) in atmci_probe()
2401 host->pdev = pdev; in atmci_probe()
2402 spin_lock_init(&host->lock); in atmci_probe()
2403 INIT_LIST_HEAD(&host->queue); in atmci_probe()
2405 host->mck = devm_clk_get(&pdev->dev, "mci_clk"); in atmci_probe()
2406 if (IS_ERR(host->mck)) in atmci_probe()
2407 return PTR_ERR(host->mck); in atmci_probe()
2409 host->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs)); in atmci_probe()
2410 if (!host->regs) in atmci_probe()
2413 ret = clk_prepare_enable(host->mck); in atmci_probe()
2417 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_probe()
2418 host->bus_hz = clk_get_rate(host->mck); in atmci_probe()
2420 host->mapbase = regs->start; in atmci_probe()
2422 tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)host); in atmci_probe()
2424 ret = request_irq(irq, atmci_interrupt, 0, dev_name(&pdev->dev), host); in atmci_probe()
2426 clk_disable_unprepare(host->mck); in atmci_probe()
2431 atmci_get_cap(host); in atmci_probe()
2432 ret = atmci_configure_dma(host); in atmci_probe()
2436 host->prepare_data = &atmci_prepare_data_dma; in atmci_probe()
2437 host->submit_data = &atmci_submit_data_dma; in atmci_probe()
2438 host->stop_transfer = &atmci_stop_transfer_dma; in atmci_probe()
2439 } else if (host->caps.has_pdc) { in atmci_probe()
2441 host->prepare_data = &atmci_prepare_data_pdc; in atmci_probe()
2442 host->submit_data = &atmci_submit_data_pdc; in atmci_probe()
2443 host->stop_transfer = &atmci_stop_transfer_pdc; in atmci_probe()
2446 host->prepare_data = &atmci_prepare_data; in atmci_probe()
2447 host->submit_data = &atmci_submit_data; in atmci_probe()
2448 host->stop_transfer = &atmci_stop_transfer; in atmci_probe()
2451 platform_set_drvdata(pdev, host); in atmci_probe()
2453 setup_timer(&host->timer, atmci_timeout_timer, (unsigned long)host); in atmci_probe()
2465 ret = atmci_init_slot(host, &pdata->slot[0], in atmci_probe()
2469 host->buf_size = host->slot[0]->mmc->max_req_size; in atmci_probe()
2473 ret = atmci_init_slot(host, &pdata->slot[1], in atmci_probe()
2477 if (host->slot[1]->mmc->max_req_size > host->buf_size) in atmci_probe()
2478 host->buf_size = in atmci_probe()
2479 host->slot[1]->mmc->max_req_size; in atmci_probe()
2488 if (!host->caps.has_rwproof) { in atmci_probe()
2489 host->buffer = dma_alloc_coherent(&pdev->dev, host->buf_size, in atmci_probe()
2490 &host->buf_phys_addr, in atmci_probe()
2492 if (!host->buffer) { in atmci_probe()
2501 host->mapbase, irq, nr_slots); in atmci_probe()
2503 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_probe()
2510 if (host->slot[i]) in atmci_probe()
2511 atmci_cleanup_slot(host->slot[i], i); in atmci_probe()
2514 clk_disable_unprepare(host->mck); in atmci_probe()
2519 del_timer_sync(&host->timer); in atmci_probe()
2520 if (!IS_ERR(host->dma.chan)) in atmci_probe()
2521 dma_release_channel(host->dma.chan); in atmci_probe()
2523 free_irq(irq, host); in atmci_probe()
2529 struct atmel_mci *host = platform_get_drvdata(pdev); in atmci_remove() local
2534 if (host->buffer) in atmci_remove()
2535 dma_free_coherent(&pdev->dev, host->buf_size, in atmci_remove()
2536 host->buffer, host->buf_phys_addr); in atmci_remove()
2539 if (host->slot[i]) in atmci_remove()
2540 atmci_cleanup_slot(host->slot[i], i); in atmci_remove()
2543 atmci_writel(host, ATMCI_IDR, ~0UL); in atmci_remove()
2544 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS); in atmci_remove()
2545 atmci_readl(host, ATMCI_SR); in atmci_remove()
2547 del_timer_sync(&host->timer); in atmci_remove()
2548 if (!IS_ERR(host->dma.chan)) in atmci_remove()
2549 dma_release_channel(host->dma.chan); in atmci_remove()
2551 free_irq(platform_get_irq(pdev, 0), host); in atmci_remove()
2553 clk_disable_unprepare(host->mck); in atmci_remove()
2564 struct atmel_mci *host = dev_get_drvdata(dev); in atmci_runtime_suspend() local
2566 clk_disable_unprepare(host->mck); in atmci_runtime_suspend()
2575 struct atmel_mci *host = dev_get_drvdata(dev); in atmci_runtime_resume() local
2579 return clk_prepare_enable(host->mck); in atmci_runtime_resume()