Lines Matching full:host
29 #include <linux/mmc/host.h>
386 u32 (*prepare_data)(struct atmel_mci *host, struct mmc_data *data);
387 void (*submit_data)(struct atmel_mci *host, struct mmc_data *data);
388 void (*stop_transfer)(struct atmel_mci *host);
394 * @host: The MMC controller this slot is using.
401 * @clock: Clock rate configured by set_ios(). Protected by host->lock.
411 struct atmel_mci *host; member
431 #define atmci_test_and_clear_pending(host, event) \ argument
432 test_and_clear_bit(event, &host->pending_events)
433 #define atmci_set_completed(host, event) \ argument
434 set_bit(event, &host->completed_events)
435 #define atmci_set_pending(host, event) \ argument
436 set_bit(event, &host->pending_events)
451 spin_lock_bh(&slot->host->lock); in atmci_req_show()
477 spin_unlock_bh(&slot->host->lock); in atmci_req_show()
532 struct atmel_mci *host = s->private; in atmci_regs_show() local
541 pm_runtime_get_sync(&host->pdev->dev); in atmci_regs_show()
548 spin_lock_bh(&host->lock); in atmci_regs_show()
549 memcpy_fromio(buf, host->regs, ATMCI_REGS_SIZE); in atmci_regs_show()
550 spin_unlock_bh(&host->lock); in atmci_regs_show()
552 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_regs_show()
553 pm_runtime_put_autosuspend(&host->pdev->dev); in atmci_regs_show()
559 if (host->caps.has_odd_clk_div) in atmci_regs_show()
573 if (host->caps.has_cstor_reg) in atmci_regs_show()
581 if (host->caps.has_dma_conf_reg) { in atmci_regs_show()
591 if (host->caps.has_cfg_reg) { in atmci_regs_show()
613 struct atmel_mci *host = slot->host; in atmci_init_debugfs() local
620 debugfs_create_file("regs", S_IRUSR, root, host, &atmci_regs_fops); in atmci_init_debugfs()
622 debugfs_create_u32("state", S_IRUSR, root, &host->state); in atmci_init_debugfs()
624 &host->pending_events); in atmci_init_debugfs()
626 &host->completed_events); in atmci_init_debugfs()
711 static inline unsigned int atmci_get_version(struct atmel_mci *host) in atmci_get_version() argument
713 return atmci_readl(host, ATMCI_VERSION) & 0x00000fff; in atmci_get_version()
724 static inline unsigned int atmci_convert_chksize(struct atmel_mci *host, in atmci_convert_chksize() argument
727 unsigned int version = atmci_get_version(host); in atmci_convert_chksize()
741 struct atmel_mci *host; in atmci_timeout_timer() local
743 host = from_timer(host, t, timer); in atmci_timeout_timer()
745 dev_dbg(&host->pdev->dev, "software timeout\n"); in atmci_timeout_timer()
747 if (host->mrq->cmd->data) { in atmci_timeout_timer()
748 host->mrq->cmd->data->error = -ETIMEDOUT; in atmci_timeout_timer()
749 host->data = NULL; in atmci_timeout_timer()
755 if (host->state == STATE_DATA_XFER) in atmci_timeout_timer()
756 host->stop_transfer(host); in atmci_timeout_timer()
758 host->mrq->cmd->error = -ETIMEDOUT; in atmci_timeout_timer()
759 host->cmd = NULL; in atmci_timeout_timer()
761 host->need_reset = 1; in atmci_timeout_timer()
762 host->state = STATE_END_REQUEST; in atmci_timeout_timer()
764 tasklet_schedule(&host->tasklet); in atmci_timeout_timer()
767 static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host, in atmci_ns_to_clocks() argument
776 /* Maximum clock frequency is host->bus_hz/2 */ in atmci_ns_to_clocks()
777 return us * (DIV_ROUND_UP(host->bus_hz, 2000000)); in atmci_ns_to_clocks()
780 static void atmci_set_timeout(struct atmel_mci *host, in atmci_set_timeout() argument
790 timeout = atmci_ns_to_clocks(host, data->timeout_ns) in atmci_set_timeout()
807 atmci_writel(host, ATMCI_DTOR, (ATMCI_DTOMUL(dtomul) | ATMCI_DTOCYC(dtocyc))); in atmci_set_timeout()
860 static void atmci_send_command(struct atmel_mci *host, in atmci_send_command() argument
866 WARN_ON(host->cmd); in atmci_send_command()
867 host->cmd = cmd; in atmci_send_command()
869 dev_vdbg(&host->pdev->dev, in atmci_send_command()
873 atmci_writel(host, ATMCI_ARGR, cmd->arg); in atmci_send_command()
874 atmci_writel(host, ATMCI_CMDR, cmd_flags); in atmci_send_command()
876 mod_timer(&host->timer, jiffies + msecs_to_jiffies(timeout_ms)); in atmci_send_command()
879 static void atmci_send_stop_cmd(struct atmel_mci *host, struct mmc_data *data) in atmci_send_stop_cmd() argument
881 dev_dbg(&host->pdev->dev, "send stop command\n"); in atmci_send_stop_cmd()
882 atmci_send_command(host, data->stop, host->stop_cmdr); in atmci_send_stop_cmd()
883 atmci_writel(host, ATMCI_IER, ATMCI_CMDRDY); in atmci_send_stop_cmd()
888 * Update host->data_size and host->sg.
890 static void atmci_pdc_set_single_buf(struct atmel_mci *host, in atmci_pdc_set_single_buf() argument
909 if (!host->caps.has_rwproof) { in atmci_pdc_set_single_buf()
910 buf_size = host->buf_size; in atmci_pdc_set_single_buf()
911 atmci_writel(host, pointer_reg, host->buf_phys_addr); in atmci_pdc_set_single_buf()
913 buf_size = sg_dma_len(host->sg); in atmci_pdc_set_single_buf()
914 atmci_writel(host, pointer_reg, sg_dma_address(host->sg)); in atmci_pdc_set_single_buf()
917 if (host->data_size <= buf_size) { in atmci_pdc_set_single_buf()
918 if (host->data_size & 0x3) { in atmci_pdc_set_single_buf()
920 atmci_writel(host, counter_reg, host->data_size); in atmci_pdc_set_single_buf()
921 atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCFBYTE); in atmci_pdc_set_single_buf()
924 atmci_writel(host, counter_reg, host->data_size / 4); in atmci_pdc_set_single_buf()
926 host->data_size = 0; in atmci_pdc_set_single_buf()
929 atmci_writel(host, counter_reg, sg_dma_len(host->sg) / 4); in atmci_pdc_set_single_buf()
930 host->data_size -= sg_dma_len(host->sg); in atmci_pdc_set_single_buf()
931 if (host->data_size) in atmci_pdc_set_single_buf()
932 host->sg = sg_next(host->sg); in atmci_pdc_set_single_buf()
941 static void atmci_pdc_set_both_buf(struct atmel_mci *host, int dir) in atmci_pdc_set_both_buf() argument
943 atmci_pdc_set_single_buf(host, dir, PDC_FIRST_BUF); in atmci_pdc_set_both_buf()
944 if (host->data_size) in atmci_pdc_set_both_buf()
945 atmci_pdc_set_single_buf(host, dir, PDC_SECOND_BUF); in atmci_pdc_set_both_buf()
951 static void atmci_pdc_cleanup(struct atmel_mci *host) in atmci_pdc_cleanup() argument
953 struct mmc_data *data = host->data; in atmci_pdc_cleanup()
956 dma_unmap_sg(&host->pdev->dev, in atmci_pdc_cleanup()
966 static void atmci_pdc_complete(struct atmel_mci *host) in atmci_pdc_complete() argument
968 int transfer_size = host->data->blocks * host->data->blksz; in atmci_pdc_complete()
971 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); in atmci_pdc_complete()
973 if ((!host->caps.has_rwproof) in atmci_pdc_complete()
974 && (host->data->flags & MMC_DATA_READ)) { in atmci_pdc_complete()
975 if (host->caps.has_bad_data_ordering) in atmci_pdc_complete()
977 host->buffer[i] = swab32(host->buffer[i]); in atmci_pdc_complete()
978 sg_copy_from_buffer(host->data->sg, host->data->sg_len, in atmci_pdc_complete()
979 host->buffer, transfer_size); in atmci_pdc_complete()
982 atmci_pdc_cleanup(host); in atmci_pdc_complete()
984 dev_dbg(&host->pdev->dev, "(%s) set pending xfer complete\n", __func__); in atmci_pdc_complete()
985 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_pdc_complete()
986 tasklet_schedule(&host->tasklet); in atmci_pdc_complete()
989 static void atmci_dma_cleanup(struct atmel_mci *host) in atmci_dma_cleanup() argument
991 struct mmc_data *data = host->data; in atmci_dma_cleanup()
994 dma_unmap_sg(host->dma.chan->device->dev, in atmci_dma_cleanup()
1004 struct atmel_mci *host = arg; in atmci_dma_complete() local
1005 struct mmc_data *data = host->data; in atmci_dma_complete()
1007 dev_vdbg(&host->pdev->dev, "DMA complete\n"); in atmci_dma_complete()
1009 if (host->caps.has_dma_conf_reg) in atmci_dma_complete()
1011 atmci_writel(host, ATMCI_DMA, atmci_readl(host, ATMCI_DMA) & ~ATMCI_DMAEN); in atmci_dma_complete()
1013 atmci_dma_cleanup(host); in atmci_dma_complete()
1020 dev_dbg(&host->pdev->dev, in atmci_dma_complete()
1022 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_dma_complete()
1023 tasklet_schedule(&host->tasklet); in atmci_dma_complete()
1045 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_dma_complete()
1053 static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data() argument
1059 host->sg = data->sg; in atmci_prepare_data()
1060 host->sg_len = data->sg_len; in atmci_prepare_data()
1061 host->data = data; in atmci_prepare_data()
1062 host->data_chan = NULL; in atmci_prepare_data()
1075 host->need_reset = true; in atmci_prepare_data()
1077 host->pio_offset = 0; in atmci_prepare_data()
1093 atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data_pdc() argument
1100 host->data = data; in atmci_prepare_data_pdc()
1101 host->sg = data->sg; in atmci_prepare_data_pdc()
1105 atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCMODE); in atmci_prepare_data_pdc()
1113 tmp = atmci_readl(host, ATMCI_MR); in atmci_prepare_data_pdc()
1116 atmci_writel(host, ATMCI_MR, tmp); in atmci_prepare_data_pdc()
1119 host->data_size = data->blocks * data->blksz; in atmci_prepare_data_pdc()
1120 dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, in atmci_prepare_data_pdc()
1123 if ((!host->caps.has_rwproof) in atmci_prepare_data_pdc()
1124 && (host->data->flags & MMC_DATA_WRITE)) { in atmci_prepare_data_pdc()
1125 sg_copy_to_buffer(host->data->sg, host->data->sg_len, in atmci_prepare_data_pdc()
1126 host->buffer, host->data_size); in atmci_prepare_data_pdc()
1127 if (host->caps.has_bad_data_ordering) in atmci_prepare_data_pdc()
1128 for (i = 0; i < host->data_size; i++) in atmci_prepare_data_pdc()
1129 host->buffer[i] = swab32(host->buffer[i]); in atmci_prepare_data_pdc()
1132 if (host->data_size) in atmci_prepare_data_pdc()
1133 atmci_pdc_set_both_buf(host, data->flags & MMC_DATA_READ ? in atmci_prepare_data_pdc()
1139 atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) in atmci_prepare_data_dma() argument
1152 WARN_ON(host->data); in atmci_prepare_data_dma()
1153 host->sg = NULL; in atmci_prepare_data_dma()
1154 host->data = data; in atmci_prepare_data_dma()
1164 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1166 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1170 return atmci_prepare_data(host, data); in atmci_prepare_data_dma()
1174 if (!host->dma.chan) in atmci_prepare_data_dma()
1177 chan = host->dma.chan; in atmci_prepare_data_dma()
1178 host->data_chan = chan; in atmci_prepare_data_dma()
1181 host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM; in atmci_prepare_data_dma()
1182 maxburst = atmci_convert_chksize(host, in atmci_prepare_data_dma()
1183 host->dma_conf.src_maxburst); in atmci_prepare_data_dma()
1185 host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV; in atmci_prepare_data_dma()
1186 maxburst = atmci_convert_chksize(host, in atmci_prepare_data_dma()
1187 host->dma_conf.dst_maxburst); in atmci_prepare_data_dma()
1190 if (host->caps.has_dma_conf_reg) in atmci_prepare_data_dma()
1191 atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) | in atmci_prepare_data_dma()
1197 dmaengine_slave_config(chan, &host->dma_conf); in atmci_prepare_data_dma()
1204 host->dma.data_desc = desc; in atmci_prepare_data_dma()
1206 desc->callback_param = host; in atmci_prepare_data_dma()
1216 atmci_submit_data(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data() argument
1225 atmci_submit_data_pdc(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data_pdc() argument
1228 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN); in atmci_submit_data_pdc()
1230 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTEN); in atmci_submit_data_pdc()
1234 atmci_submit_data_dma(struct atmel_mci *host, struct mmc_data *data) in atmci_submit_data_dma() argument
1236 struct dma_chan *chan = host->data_chan; in atmci_submit_data_dma()
1237 struct dma_async_tx_descriptor *desc = host->dma.data_desc; in atmci_submit_data_dma()
1245 static void atmci_stop_transfer(struct atmel_mci *host) in atmci_stop_transfer() argument
1247 dev_dbg(&host->pdev->dev, in atmci_stop_transfer()
1249 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_stop_transfer()
1250 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_stop_transfer()
1256 static void atmci_stop_transfer_pdc(struct atmel_mci *host) in atmci_stop_transfer_pdc() argument
1258 atmci_writel(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); in atmci_stop_transfer_pdc()
1261 static void atmci_stop_transfer_dma(struct atmel_mci *host) in atmci_stop_transfer_dma() argument
1263 struct dma_chan *chan = host->data_chan; in atmci_stop_transfer_dma()
1267 atmci_dma_cleanup(host); in atmci_stop_transfer_dma()
1270 dev_dbg(&host->pdev->dev, in atmci_stop_transfer_dma()
1272 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_stop_transfer_dma()
1273 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_stop_transfer_dma()
1281 static void atmci_start_request(struct atmel_mci *host, in atmci_start_request() argument
1291 host->cur_slot = slot; in atmci_start_request()
1292 host->mrq = mrq; in atmci_start_request()
1294 host->pending_events = 0; in atmci_start_request()
1295 host->completed_events = 0; in atmci_start_request()
1296 host->cmd_status = 0; in atmci_start_request()
1297 host->data_status = 0; in atmci_start_request()
1299 dev_dbg(&host->pdev->dev, "start request: cmd %u\n", mrq->cmd->opcode); in atmci_start_request()
1301 if (host->need_reset || host->caps.need_reset_after_xfer) { in atmci_start_request()
1302 iflags = atmci_readl(host, ATMCI_IMR); in atmci_start_request()
1304 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_start_request()
1305 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_start_request()
1306 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_start_request()
1307 if (host->caps.has_cfg_reg) in atmci_start_request()
1308 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_start_request()
1309 atmci_writel(host, ATMCI_IER, iflags); in atmci_start_request()
1310 host->need_reset = false; in atmci_start_request()
1312 atmci_writel(host, ATMCI_SDCR, slot->sdc_reg); in atmci_start_request()
1314 iflags = atmci_readl(host, ATMCI_IMR); in atmci_start_request()
1321 atmci_writel(host, ATMCI_CMDR, ATMCI_CMDR_SPCMD_INIT); in atmci_start_request()
1322 while (!(atmci_readl(host, ATMCI_SR) & ATMCI_CMDRDY)) in atmci_start_request()
1328 atmci_set_timeout(host, slot, data); in atmci_start_request()
1331 atmci_writel(host, ATMCI_BLKR, ATMCI_BCNT(data->blocks) in atmci_start_request()
1336 iflags |= host->prepare_data(host, data); in atmci_start_request()
1349 if (host->submit_data != &atmci_submit_data_dma) in atmci_start_request()
1350 atmci_send_command(host, cmd, cmdflags); in atmci_start_request()
1353 host->submit_data(host, data); in atmci_start_request()
1355 if (host->submit_data == &atmci_submit_data_dma) in atmci_start_request()
1356 atmci_send_command(host, cmd, cmdflags); in atmci_start_request()
1359 host->stop_cmdr = atmci_prepare_command(slot->mmc, mrq->stop); in atmci_start_request()
1360 host->stop_cmdr |= ATMCI_CMDR_STOP_XFER; in atmci_start_request()
1362 host->stop_cmdr |= ATMCI_CMDR_TRDIR_READ; in atmci_start_request()
1363 host->stop_cmdr |= ATMCI_CMDR_MULTI_BLOCK; in atmci_start_request()
1372 atmci_writel(host, ATMCI_IER, iflags); in atmci_start_request()
1375 static void atmci_queue_request(struct atmel_mci *host, in atmci_queue_request() argument
1379 host->state); in atmci_queue_request()
1381 spin_lock_bh(&host->lock); in atmci_queue_request()
1383 if (host->state == STATE_IDLE) { in atmci_queue_request()
1384 host->state = STATE_SENDING_CMD; in atmci_queue_request()
1385 atmci_start_request(host, slot); in atmci_queue_request()
1387 dev_dbg(&host->pdev->dev, "queue request\n"); in atmci_queue_request()
1388 list_add_tail(&slot->queue_node, &host->queue); in atmci_queue_request()
1390 spin_unlock_bh(&host->lock); in atmci_queue_request()
1396 struct atmel_mci *host = slot->host; in atmci_request() local
1400 dev_dbg(&host->pdev->dev, "MRQ: cmd %u\n", mrq->cmd->opcode); in atmci_request()
1423 atmci_queue_request(host, slot, mrq); in atmci_request()
1429 struct atmel_mci *host = slot->host; in atmci_set_ios() local
1449 spin_lock_bh(&host->lock); in atmci_set_ios()
1450 if (!host->mode_reg) { in atmci_set_ios()
1451 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_set_ios()
1452 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_set_ios()
1453 if (host->caps.has_cfg_reg) in atmci_set_ios()
1454 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_set_ios()
1463 if (host->slot[i] && host->slot[i]->clock in atmci_set_ios()
1464 && host->slot[i]->clock < clock_min) in atmci_set_ios()
1465 clock_min = host->slot[i]->clock; in atmci_set_ios()
1469 if (host->caps.has_odd_clk_div) { in atmci_set_ios()
1470 clkdiv = DIV_ROUND_UP(host->bus_hz, clock_min) - 2; in atmci_set_ios()
1474 clock_min, host->bus_hz / 2); in atmci_set_ios()
1479 clock_min, host->bus_hz / (511 + 2)); in atmci_set_ios()
1482 host->mode_reg = ATMCI_MR_CLKDIV(clkdiv >> 1) in atmci_set_ios()
1485 clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1; in atmci_set_ios()
1489 clock_min, host->bus_hz / (2 * 256)); in atmci_set_ios()
1492 host->mode_reg = ATMCI_MR_CLKDIV(clkdiv); in atmci_set_ios()
1500 if (host->caps.has_rwproof) in atmci_set_ios()
1501 host->mode_reg |= (ATMCI_MR_WRPROOF | ATMCI_MR_RDPROOF); in atmci_set_ios()
1503 if (host->caps.has_cfg_reg) { in atmci_set_ios()
1506 host->cfg_reg |= ATMCI_CFG_HSMODE; in atmci_set_ios()
1508 host->cfg_reg &= ~ATMCI_CFG_HSMODE; in atmci_set_ios()
1511 if (list_empty(&host->queue)) { in atmci_set_ios()
1512 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_set_ios()
1513 if (host->caps.has_cfg_reg) in atmci_set_ios()
1514 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_set_ios()
1516 host->need_clock_update = true; in atmci_set_ios()
1519 spin_unlock_bh(&host->lock); in atmci_set_ios()
1523 spin_lock_bh(&host->lock); in atmci_set_ios()
1526 if (host->slot[i] && host->slot[i]->clock) { in atmci_set_ios()
1532 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS); in atmci_set_ios()
1533 if (host->mode_reg) { in atmci_set_ios()
1534 atmci_readl(host, ATMCI_MR); in atmci_set_ios()
1536 host->mode_reg = 0; in atmci_set_ios()
1538 spin_unlock_bh(&host->lock); in atmci_set_ios()
1587 struct atmel_mci *host = slot->host; in atmci_enable_sdio_irq() local
1590 atmci_writel(host, ATMCI_IER, slot->sdio_irq); in atmci_enable_sdio_irq()
1592 atmci_writel(host, ATMCI_IDR, slot->sdio_irq); in atmci_enable_sdio_irq()
1603 /* Called with host->lock held */
1604 static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq) in atmci_request_end() argument
1605 __releases(&host->lock) in atmci_request_end()
1606 __acquires(&host->lock) in atmci_request_end()
1609 struct mmc_host *prev_mmc = host->cur_slot->mmc; in atmci_request_end()
1611 WARN_ON(host->cmd || host->data); in atmci_request_end()
1613 del_timer(&host->timer); in atmci_request_end()
1620 if (host->need_clock_update) { in atmci_request_end()
1621 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_request_end()
1622 if (host->caps.has_cfg_reg) in atmci_request_end()
1623 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_request_end()
1626 host->cur_slot->mrq = NULL; in atmci_request_end()
1627 host->mrq = NULL; in atmci_request_end()
1628 if (!list_empty(&host->queue)) { in atmci_request_end()
1629 slot = list_entry(host->queue.next, in atmci_request_end()
1632 dev_vdbg(&host->pdev->dev, "list not empty: %s is next\n", in atmci_request_end()
1634 host->state = STATE_SENDING_CMD; in atmci_request_end()
1635 atmci_start_request(host, slot); in atmci_request_end()
1637 dev_vdbg(&host->pdev->dev, "list empty\n"); in atmci_request_end()
1638 host->state = STATE_IDLE; in atmci_request_end()
1641 spin_unlock(&host->lock); in atmci_request_end()
1643 spin_lock(&host->lock); in atmci_request_end()
1646 static void atmci_command_complete(struct atmel_mci *host, in atmci_command_complete() argument
1649 u32 status = host->cmd_status; in atmci_command_complete()
1652 cmd->resp[0] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1653 cmd->resp[1] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1654 cmd->resp[2] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1655 cmd->resp[3] = atmci_readl(host, ATMCI_RSPR); in atmci_command_complete()
1663 else if (host->mrq->data && (host->mrq->data->blksz & 3)) { in atmci_command_complete()
1664 if (host->caps.need_blksz_mul_4) { in atmci_command_complete()
1666 host->need_reset = 1; in atmci_command_complete()
1696 struct atmel_mci *host = slot->host; in atmci_detect_change() local
1702 spin_lock(&host->lock); in atmci_detect_change()
1712 if (mrq == host->mrq) { in atmci_detect_change()
1717 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_detect_change()
1718 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); in atmci_detect_change()
1719 atmci_writel(host, ATMCI_MR, host->mode_reg); in atmci_detect_change()
1720 if (host->caps.has_cfg_reg) in atmci_detect_change()
1721 atmci_writel(host, ATMCI_CFG, host->cfg_reg); in atmci_detect_change()
1723 host->data = NULL; in atmci_detect_change()
1724 host->cmd = NULL; in atmci_detect_change()
1726 switch (host->state) { in atmci_detect_change()
1732 host->stop_transfer(host); in atmci_detect_change()
1736 host->stop_transfer(host); in atmci_detect_change()
1748 atmci_request_end(host, mrq); in atmci_detect_change()
1757 spin_unlock(&host->lock); in atmci_detect_change()
1759 spin_lock(&host->lock); in atmci_detect_change()
1762 spin_unlock(&host->lock); in atmci_detect_change()
1770 struct atmel_mci *host = from_tasklet(host, t, tasklet); in atmci_tasklet_func() local
1771 struct mmc_request *mrq = host->mrq; in atmci_tasklet_func()
1772 struct mmc_data *data = host->data; in atmci_tasklet_func()
1773 enum atmel_mci_state state = host->state; in atmci_tasklet_func()
1777 spin_lock(&host->lock); in atmci_tasklet_func()
1779 state = host->state; in atmci_tasklet_func()
1781 dev_vdbg(&host->pdev->dev, in atmci_tasklet_func()
1783 state, host->pending_events, host->completed_events, in atmci_tasklet_func()
1784 atmci_readl(host, ATMCI_IMR)); in atmci_tasklet_func()
1788 dev_dbg(&host->pdev->dev, "FSM: state=%d\n", state); in atmci_tasklet_func()
1801 dev_dbg(&host->pdev->dev, "FSM: cmd ready?\n"); in atmci_tasklet_func()
1802 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1806 dev_dbg(&host->pdev->dev, "set completed cmd ready\n"); in atmci_tasklet_func()
1807 host->cmd = NULL; in atmci_tasklet_func()
1808 atmci_set_completed(host, EVENT_CMD_RDY); in atmci_tasklet_func()
1809 atmci_command_complete(host, mrq->cmd); in atmci_tasklet_func()
1811 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1818 host->stop_transfer(host); in atmci_tasklet_func()
1819 host->data = NULL; in atmci_tasklet_func()
1820 atmci_writel(host, ATMCI_IDR, in atmci_tasklet_func()
1827 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1829 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1837 if (atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1839 dev_dbg(&host->pdev->dev, "set completed data error\n"); in atmci_tasklet_func()
1840 atmci_set_completed(host, EVENT_DATA_ERROR); in atmci_tasklet_func()
1852 dev_dbg(&host->pdev->dev, "FSM: xfer complete?\n"); in atmci_tasklet_func()
1853 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1857 dev_dbg(&host->pdev->dev, in atmci_tasklet_func()
1860 atmci_set_completed(host, EVENT_XFER_COMPLETE); in atmci_tasklet_func()
1862 if (host->caps.need_notbusy_for_read_ops || in atmci_tasklet_func()
1863 (host->data->flags & MMC_DATA_WRITE)) { in atmci_tasklet_func()
1864 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1866 } else if (host->mrq->stop) { in atmci_tasklet_func()
1867 atmci_send_stop_cmd(host, data); in atmci_tasklet_func()
1870 host->data = NULL; in atmci_tasklet_func()
1884 dev_dbg(&host->pdev->dev, "FSM: not busy?\n"); in atmci_tasklet_func()
1885 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1889 dev_dbg(&host->pdev->dev, "set completed not busy\n"); in atmci_tasklet_func()
1890 atmci_set_completed(host, EVENT_NOTBUSY); in atmci_tasklet_func()
1892 if (host->data) { in atmci_tasklet_func()
1898 if (host->mrq->stop) { in atmci_tasklet_func()
1899 atmci_send_stop_cmd(host, data); in atmci_tasklet_func()
1902 host->data = NULL; in atmci_tasklet_func()
1914 * In this state, it is important to set host->data to in atmci_tasklet_func()
1919 dev_dbg(&host->pdev->dev, "FSM: cmd ready?\n"); in atmci_tasklet_func()
1920 if (!atmci_test_and_clear_pending(host, in atmci_tasklet_func()
1924 dev_dbg(&host->pdev->dev, "FSM: cmd ready\n"); in atmci_tasklet_func()
1925 host->cmd = NULL; in atmci_tasklet_func()
1928 atmci_command_complete(host, mrq->stop); in atmci_tasklet_func()
1930 host->stop_transfer(host); in atmci_tasklet_func()
1931 atmci_writel(host, ATMCI_IDR, in atmci_tasklet_func()
1936 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_tasklet_func()
1939 host->data = NULL; in atmci_tasklet_func()
1943 atmci_writel(host, ATMCI_IDR, ATMCI_TXRDY | ATMCI_RXRDY in atmci_tasklet_func()
1945 status = host->data_status; in atmci_tasklet_func()
1947 host->stop_transfer(host); in atmci_tasklet_func()
1948 host->data = NULL; in atmci_tasklet_func()
1960 atmci_request_end(host, host->mrq); in atmci_tasklet_func()
1961 goto unlock; /* atmci_request_end() sets host->state */ in atmci_tasklet_func()
1966 host->state = state; in atmci_tasklet_func()
1969 spin_unlock(&host->lock); in atmci_tasklet_func()
1972 static void atmci_read_data_pio(struct atmel_mci *host) in atmci_read_data_pio() argument
1974 struct scatterlist *sg = host->sg; in atmci_read_data_pio()
1975 unsigned int offset = host->pio_offset; in atmci_read_data_pio()
1976 struct mmc_data *data = host->data; in atmci_read_data_pio()
1982 value = atmci_readl(host, ATMCI_RDR); in atmci_read_data_pio()
1991 host->sg = sg = sg_next(sg); in atmci_read_data_pio()
1992 host->sg_len--; in atmci_read_data_pio()
1993 if (!sg || !host->sg_len) in atmci_read_data_pio()
2005 host->sg = sg = sg_next(sg); in atmci_read_data_pio()
2006 host->sg_len--; in atmci_read_data_pio()
2007 if (!sg || !host->sg_len) in atmci_read_data_pio()
2016 status = atmci_readl(host, ATMCI_SR); in atmci_read_data_pio()
2018 atmci_writel(host, ATMCI_IDR, (ATMCI_NOTBUSY | ATMCI_RXRDY in atmci_read_data_pio()
2020 host->data_status = status; in atmci_read_data_pio()
2026 host->pio_offset = offset; in atmci_read_data_pio()
2032 atmci_writel(host, ATMCI_IDR, ATMCI_RXRDY); in atmci_read_data_pio()
2033 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_read_data_pio()
2036 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_read_data_pio()
2039 static void atmci_write_data_pio(struct atmel_mci *host) in atmci_write_data_pio() argument
2041 struct scatterlist *sg = host->sg; in atmci_write_data_pio()
2042 unsigned int offset = host->pio_offset; in atmci_write_data_pio()
2043 struct mmc_data *data = host->data; in atmci_write_data_pio()
2051 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
2056 host->sg = sg = sg_next(sg); in atmci_write_data_pio()
2057 host->sg_len--; in atmci_write_data_pio()
2058 if (!sg || !host->sg_len) in atmci_write_data_pio()
2070 host->sg = sg = sg_next(sg); in atmci_write_data_pio()
2071 host->sg_len--; in atmci_write_data_pio()
2072 if (!sg || !host->sg_len) { in atmci_write_data_pio()
2073 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
2080 atmci_writel(host, ATMCI_TDR, value); in atmci_write_data_pio()
2084 status = atmci_readl(host, ATMCI_SR); in atmci_write_data_pio()
2086 atmci_writel(host, ATMCI_IDR, (ATMCI_NOTBUSY | ATMCI_TXRDY in atmci_write_data_pio()
2088 host->data_status = status; in atmci_write_data_pio()
2094 host->pio_offset = offset; in atmci_write_data_pio()
2100 atmci_writel(host, ATMCI_IDR, ATMCI_TXRDY); in atmci_write_data_pio()
2101 atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY); in atmci_write_data_pio()
2104 atmci_set_pending(host, EVENT_XFER_COMPLETE); in atmci_write_data_pio()
2107 static void atmci_sdio_interrupt(struct atmel_mci *host, u32 status) in atmci_sdio_interrupt() argument
2112 struct atmel_mci_slot *slot = host->slot[i]; in atmci_sdio_interrupt()
2122 struct atmel_mci *host = dev_id; in atmci_interrupt() local
2127 status = atmci_readl(host, ATMCI_SR); in atmci_interrupt()
2128 mask = atmci_readl(host, ATMCI_IMR); in atmci_interrupt()
2134 dev_dbg(&host->pdev->dev, "IRQ: data error\n"); in atmci_interrupt()
2135 atmci_writel(host, ATMCI_IDR, ATMCI_DATA_ERROR_FLAGS in atmci_interrupt()
2140 host->data_status = status; in atmci_interrupt()
2141 dev_dbg(&host->pdev->dev, "set pending data error\n"); in atmci_interrupt()
2143 atmci_set_pending(host, EVENT_DATA_ERROR); in atmci_interrupt()
2144 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2148 dev_dbg(&host->pdev->dev, "IRQ: tx buffer empty\n"); in atmci_interrupt()
2149 atmci_writel(host, ATMCI_IDR, ATMCI_TXBUFE); in atmci_interrupt()
2150 atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); in atmci_interrupt()
2156 if (host->data_size) { in atmci_interrupt()
2157 atmci_pdc_set_both_buf(host, XFER_TRANSMIT); in atmci_interrupt()
2158 atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); in atmci_interrupt()
2159 atmci_writel(host, ATMCI_IER, ATMCI_TXBUFE); in atmci_interrupt()
2161 atmci_pdc_complete(host); in atmci_interrupt()
2164 dev_dbg(&host->pdev->dev, "IRQ: end of tx buffer\n"); in atmci_interrupt()
2165 atmci_writel(host, ATMCI_IDR, ATMCI_ENDTX); in atmci_interrupt()
2167 if (host->data_size) { in atmci_interrupt()
2168 atmci_pdc_set_single_buf(host, in atmci_interrupt()
2170 atmci_writel(host, ATMCI_IER, ATMCI_ENDTX); in atmci_interrupt()
2175 dev_dbg(&host->pdev->dev, "IRQ: rx buffer full\n"); in atmci_interrupt()
2176 atmci_writel(host, ATMCI_IDR, ATMCI_RXBUFF); in atmci_interrupt()
2177 atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); in atmci_interrupt()
2183 if (host->data_size) { in atmci_interrupt()
2184 atmci_pdc_set_both_buf(host, XFER_RECEIVE); in atmci_interrupt()
2185 atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); in atmci_interrupt()
2186 atmci_writel(host, ATMCI_IER, ATMCI_RXBUFF); in atmci_interrupt()
2188 atmci_pdc_complete(host); in atmci_interrupt()
2191 dev_dbg(&host->pdev->dev, "IRQ: end of rx buffer\n"); in atmci_interrupt()
2192 atmci_writel(host, ATMCI_IDR, ATMCI_ENDRX); in atmci_interrupt()
2194 if (host->data_size) { in atmci_interrupt()
2195 atmci_pdc_set_single_buf(host, in atmci_interrupt()
2197 atmci_writel(host, ATMCI_IER, ATMCI_ENDRX); in atmci_interrupt()
2208 dev_dbg(&host->pdev->dev, "IRQ: blke\n"); in atmci_interrupt()
2209 atmci_writel(host, ATMCI_IDR, ATMCI_BLKE); in atmci_interrupt()
2211 dev_dbg(&host->pdev->dev, "set pending notbusy\n"); in atmci_interrupt()
2212 atmci_set_pending(host, EVENT_NOTBUSY); in atmci_interrupt()
2213 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2217 dev_dbg(&host->pdev->dev, "IRQ: not_busy\n"); in atmci_interrupt()
2218 atmci_writel(host, ATMCI_IDR, ATMCI_NOTBUSY); in atmci_interrupt()
2220 dev_dbg(&host->pdev->dev, "set pending notbusy\n"); in atmci_interrupt()
2221 atmci_set_pending(host, EVENT_NOTBUSY); in atmci_interrupt()
2222 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2226 atmci_read_data_pio(host); in atmci_interrupt()
2228 atmci_write_data_pio(host); in atmci_interrupt()
2231 dev_dbg(&host->pdev->dev, "IRQ: cmd ready\n"); in atmci_interrupt()
2232 atmci_writel(host, ATMCI_IDR, ATMCI_CMDRDY); in atmci_interrupt()
2233 host->cmd_status = status; in atmci_interrupt()
2235 dev_dbg(&host->pdev->dev, "set pending cmd rdy\n"); in atmci_interrupt()
2236 atmci_set_pending(host, EVENT_CMD_RDY); in atmci_interrupt()
2237 tasklet_schedule(&host->tasklet); in atmci_interrupt()
2241 atmci_sdio_interrupt(host, status); in atmci_interrupt()
2263 static int atmci_init_slot(struct atmel_mci *host, in atmci_init_slot() argument
2271 mmc = mmc_alloc_host(sizeof(struct atmel_mci_slot), &host->pdev->dev); in atmci_init_slot()
2277 slot->host = host; in atmci_init_slot()
2291 mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512); in atmci_init_slot()
2292 mmc->f_max = host->bus_hz / 2; in atmci_init_slot()
2296 if (host->caps.has_highspeed) in atmci_init_slot()
2303 if ((slot_data->bus_width >= 4) && host->caps.has_rwproof) { in atmci_init_slot()
2309 if (atmci_get_version(host) < 0x200) { in atmci_init_slot()
2341 host->slot[id] = slot; in atmci_init_slot()
2384 slot->host->slot[id] = NULL; in atmci_cleanup_slot()
2388 static int atmci_configure_dma(struct atmel_mci *host) in atmci_configure_dma() argument
2390 host->dma.chan = dma_request_chan(&host->pdev->dev, "rxtx"); in atmci_configure_dma()
2392 if (PTR_ERR(host->dma.chan) == -ENODEV) { in atmci_configure_dma()
2393 struct mci_platform_data *pdata = host->pdev->dev.platform_data; in atmci_configure_dma()
2402 host->dma.chan = dma_request_channel(mask, pdata->dma_filter, in atmci_configure_dma()
2404 if (!host->dma.chan) in atmci_configure_dma()
2405 host->dma.chan = ERR_PTR(-ENODEV); in atmci_configure_dma()
2408 if (IS_ERR(host->dma.chan)) in atmci_configure_dma()
2409 return PTR_ERR(host->dma.chan); in atmci_configure_dma()
2411 dev_info(&host->pdev->dev, "using %s for DMA transfers\n", in atmci_configure_dma()
2412 dma_chan_name(host->dma.chan)); in atmci_configure_dma()
2414 host->dma_conf.src_addr = host->mapbase + ATMCI_RDR; in atmci_configure_dma()
2415 host->dma_conf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in atmci_configure_dma()
2416 host->dma_conf.src_maxburst = 1; in atmci_configure_dma()
2417 host->dma_conf.dst_addr = host->mapbase + ATMCI_TDR; in atmci_configure_dma()
2418 host->dma_conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in atmci_configure_dma()
2419 host->dma_conf.dst_maxburst = 1; in atmci_configure_dma()
2420 host->dma_conf.device_fc = false; in atmci_configure_dma()
2430 static void atmci_get_cap(struct atmel_mci *host) in atmci_get_cap() argument
2434 version = atmci_get_version(host); in atmci_get_cap()
2435 dev_info(&host->pdev->dev, in atmci_get_cap()
2438 host->caps.has_dma_conf_reg = false; in atmci_get_cap()
2439 host->caps.has_pdc = true; in atmci_get_cap()
2440 host->caps.has_cfg_reg = false; in atmci_get_cap()
2441 host->caps.has_cstor_reg = false; in atmci_get_cap()
2442 host->caps.has_highspeed = false; in atmci_get_cap()
2443 host->caps.has_rwproof = false; in atmci_get_cap()
2444 host->caps.has_odd_clk_div = false; in atmci_get_cap()
2445 host->caps.has_bad_data_ordering = true; in atmci_get_cap()
2446 host->caps.need_reset_after_xfer = true; in atmci_get_cap()
2447 host->caps.need_blksz_mul_4 = true; in atmci_get_cap()
2448 host->caps.need_notbusy_for_read_ops = false; in atmci_get_cap()
2454 host->caps.has_odd_clk_div = true; in atmci_get_cap()
2458 host->caps.has_dma_conf_reg = true; in atmci_get_cap()
2459 host->caps.has_pdc = false; in atmci_get_cap()
2460 host->caps.has_cfg_reg = true; in atmci_get_cap()
2461 host->caps.has_cstor_reg = true; in atmci_get_cap()
2462 host->caps.has_highspeed = true; in atmci_get_cap()
2465 host->caps.has_rwproof = true; in atmci_get_cap()
2466 host->caps.need_blksz_mul_4 = false; in atmci_get_cap()
2467 host->caps.need_notbusy_for_read_ops = true; in atmci_get_cap()
2470 host->caps.has_bad_data_ordering = false; in atmci_get_cap()
2471 host->caps.need_reset_after_xfer = false; in atmci_get_cap()
2476 host->caps.has_pdc = false; in atmci_get_cap()
2477 dev_warn(&host->pdev->dev, in atmci_get_cap()
2486 struct atmel_mci *host; in atmci_probe() local
2508 host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); in atmci_probe()
2509 if (!host) in atmci_probe()
2512 host->pdev = pdev; in atmci_probe()
2513 spin_lock_init(&host->lock); in atmci_probe()
2514 INIT_LIST_HEAD(&host->queue); in atmci_probe()
2516 host->mck = devm_clk_get(&pdev->dev, "mci_clk"); in atmci_probe()
2517 if (IS_ERR(host->mck)) in atmci_probe()
2518 return PTR_ERR(host->mck); in atmci_probe()
2520 host->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs)); in atmci_probe()
2521 if (!host->regs) in atmci_probe()
2524 ret = clk_prepare_enable(host->mck); in atmci_probe()
2528 atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); in atmci_probe()
2529 host->bus_hz = clk_get_rate(host->mck); in atmci_probe()
2531 host->mapbase = regs->start; in atmci_probe()
2533 tasklet_setup(&host->tasklet, atmci_tasklet_func); in atmci_probe()
2535 ret = request_irq(irq, atmci_interrupt, 0, dev_name(&pdev->dev), host); in atmci_probe()
2537 clk_disable_unprepare(host->mck); in atmci_probe()
2542 atmci_get_cap(host); in atmci_probe()
2543 ret = atmci_configure_dma(host); in atmci_probe()
2547 host->prepare_data = &atmci_prepare_data_dma; in atmci_probe()
2548 host->submit_data = &atmci_submit_data_dma; in atmci_probe()
2549 host->stop_transfer = &atmci_stop_transfer_dma; in atmci_probe()
2550 } else if (host->caps.has_pdc) { in atmci_probe()
2552 host->prepare_data = &atmci_prepare_data_pdc; in atmci_probe()
2553 host->submit_data = &atmci_submit_data_pdc; in atmci_probe()
2554 host->stop_transfer = &atmci_stop_transfer_pdc; in atmci_probe()
2557 host->prepare_data = &atmci_prepare_data; in atmci_probe()
2558 host->submit_data = &atmci_submit_data; in atmci_probe()
2559 host->stop_transfer = &atmci_stop_transfer; in atmci_probe()
2562 platform_set_drvdata(pdev, host); in atmci_probe()
2564 timer_setup(&host->timer, atmci_timeout_timer, 0); in atmci_probe()
2576 ret = atmci_init_slot(host, &pdata->slot[0], in atmci_probe()
2580 host->buf_size = host->slot[0]->mmc->max_req_size; in atmci_probe()
2584 ret = atmci_init_slot(host, &pdata->slot[1], in atmci_probe()
2588 if (host->slot[1]->mmc->max_req_size > host->buf_size) in atmci_probe()
2589 host->buf_size = in atmci_probe()
2590 host->slot[1]->mmc->max_req_size; in atmci_probe()
2599 if (!host->caps.has_rwproof) { in atmci_probe()
2600 host->buffer = dma_alloc_coherent(&pdev->dev, host->buf_size, in atmci_probe()
2601 &host->buf_phys_addr, in atmci_probe()
2603 if (!host->buffer) { in atmci_probe()
2612 host->mapbase, irq, nr_slots); in atmci_probe()
2614 pm_runtime_mark_last_busy(&host->pdev->dev); in atmci_probe()
2621 if (host->slot[i]) in atmci_probe()
2622 atmci_cleanup_slot(host->slot[i], i); in atmci_probe()
2625 clk_disable_unprepare(host->mck); in atmci_probe()
2630 del_timer_sync(&host->timer); in atmci_probe()
2631 if (!IS_ERR(host->dma.chan)) in atmci_probe()
2632 dma_release_channel(host->dma.chan); in atmci_probe()
2634 free_irq(irq, host); in atmci_probe()
2640 struct atmel_mci *host = platform_get_drvdata(pdev); in atmci_remove() local
2645 if (host->buffer) in atmci_remove()
2646 dma_free_coherent(&pdev->dev, host->buf_size, in atmci_remove()
2647 host->buffer, host->buf_phys_addr); in atmci_remove()
2650 if (host->slot[i]) in atmci_remove()
2651 atmci_cleanup_slot(host->slot[i], i); in atmci_remove()
2654 atmci_writel(host, ATMCI_IDR, ~0UL); in atmci_remove()
2655 atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS); in atmci_remove()
2656 atmci_readl(host, ATMCI_SR); in atmci_remove()
2658 del_timer_sync(&host->timer); in atmci_remove()
2659 if (!IS_ERR(host->dma.chan)) in atmci_remove()
2660 dma_release_channel(host->dma.chan); in atmci_remove()
2662 free_irq(platform_get_irq(pdev, 0), host); in atmci_remove()
2664 clk_disable_unprepare(host->mck); in atmci_remove()
2673 struct atmel_mci *host = dev_get_drvdata(dev); in atmci_runtime_suspend() local
2675 clk_disable_unprepare(host->mck); in atmci_runtime_suspend()
2684 struct atmel_mci *host = dev_get_drvdata(dev); in atmci_runtime_resume() local
2688 return clk_prepare_enable(host->mck); in atmci_runtime_resume()