Lines Matching refs:host
75 #define mmc_omap7xx() (host->features & MMC_OMAP7XX)
76 #define mmc_omap15xx() (host->features & MMC_OMAP15XX)
77 #define mmc_omap16xx() (host->features & MMC_OMAP16XX)
79 #define mmc_omap1() (host->features & MMC_OMAP1_MASK)
82 #define OMAP_MMC_REG(host, reg) (OMAP_MMC_REG_##reg << (host)->reg_shift) argument
83 #define OMAP_MMC_READ(host, reg) __raw_readw((host)->virt_base + OMAP_MMC_REG(host, reg)) argument
84 #define OMAP_MMC_WRITE(host, reg, val) __raw_writew((val), (host)->virt_base + OMAP_MMC_REG(host, r… argument
114 struct mmc_omap_host *host; member
178 if (slot != NULL && slot->host->fclk_enabled && slot->fclk_freq > 0) { in mmc_omap_fclk_offdelay()
184 static void mmc_omap_fclk_enable(struct mmc_omap_host *host, unsigned int enable) in mmc_omap_fclk_enable() argument
188 spin_lock_irqsave(&host->clk_lock, flags); in mmc_omap_fclk_enable()
189 if (host->fclk_enabled != enable) { in mmc_omap_fclk_enable()
190 host->fclk_enabled = enable; in mmc_omap_fclk_enable()
192 clk_enable(host->fclk); in mmc_omap_fclk_enable()
194 clk_disable(host->fclk); in mmc_omap_fclk_enable()
196 spin_unlock_irqrestore(&host->clk_lock, flags); in mmc_omap_fclk_enable()
201 struct mmc_omap_host *host = slot->host; in mmc_omap_select_slot() local
206 spin_lock_irqsave(&host->slot_lock, flags); in mmc_omap_select_slot()
207 while (host->mmc != NULL) { in mmc_omap_select_slot()
208 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_select_slot()
209 wait_event(host->slot_wq, host->mmc == NULL); in mmc_omap_select_slot()
210 spin_lock_irqsave(&host->slot_lock, flags); in mmc_omap_select_slot()
212 host->mmc = slot->mmc; in mmc_omap_select_slot()
213 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_select_slot()
215 del_timer(&host->clk_timer); in mmc_omap_select_slot()
216 if (host->current_slot != slot || !claimed) in mmc_omap_select_slot()
217 mmc_omap_fclk_offdelay(host->current_slot); in mmc_omap_select_slot()
219 if (host->current_slot != slot) { in mmc_omap_select_slot()
220 OMAP_MMC_WRITE(host, CON, slot->saved_con & 0xFC00); in mmc_omap_select_slot()
221 if (host->pdata->switch_slot != NULL) in mmc_omap_select_slot()
222 host->pdata->switch_slot(mmc_dev(slot->mmc), slot->id); in mmc_omap_select_slot()
223 host->current_slot = slot; in mmc_omap_select_slot()
227 mmc_omap_fclk_enable(host, 1); in mmc_omap_select_slot()
232 OMAP_MMC_READ(host, CON); in mmc_omap_select_slot()
234 OMAP_MMC_WRITE(host, CON, slot->saved_con); in mmc_omap_select_slot()
236 mmc_omap_fclk_enable(host, 0); in mmc_omap_select_slot()
239 static void mmc_omap_start_request(struct mmc_omap_host *host,
244 struct mmc_omap_host *host = container_of(work, struct mmc_omap_host, in mmc_omap_slot_release_work() local
246 struct mmc_omap_slot *next_slot = host->next_slot; in mmc_omap_slot_release_work()
249 host->next_slot = NULL; in mmc_omap_slot_release_work()
254 mmc_omap_start_request(host, rq); in mmc_omap_slot_release_work()
259 struct mmc_omap_host *host = slot->host; in mmc_omap_release_slot() local
263 BUG_ON(slot == NULL || host->mmc == NULL); in mmc_omap_release_slot()
267 mod_timer(&host->clk_timer, jiffies + HZ/10); in mmc_omap_release_slot()
269 del_timer(&host->clk_timer); in mmc_omap_release_slot()
271 mmc_omap_fclk_enable(host, 0); in mmc_omap_release_slot()
274 spin_lock_irqsave(&host->slot_lock, flags); in mmc_omap_release_slot()
276 for (i = 0; i < host->nr_slots; i++) { in mmc_omap_release_slot()
279 if (host->slots[i] == NULL || host->slots[i]->mrq == NULL) in mmc_omap_release_slot()
282 BUG_ON(host->next_slot != NULL); in mmc_omap_release_slot()
283 new_slot = host->slots[i]; in mmc_omap_release_slot()
285 BUG_ON(new_slot == host->current_slot); in mmc_omap_release_slot()
287 host->next_slot = new_slot; in mmc_omap_release_slot()
288 host->mmc = new_slot->mmc; in mmc_omap_release_slot()
289 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_release_slot()
290 queue_work(host->mmc_omap_wq, &host->slot_release_work); in mmc_omap_release_slot()
294 host->mmc = NULL; in mmc_omap_release_slot()
295 wake_up(&host->slot_wq); in mmc_omap_release_slot()
296 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_release_slot()
334 mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd) in mmc_omap_start_command() argument
341 host->cmd = cmd; in mmc_omap_start_command()
362 dev_err(mmc_dev(host->mmc), "Invalid response type: %04x\n", mmc_resp_type(cmd)); in mmc_omap_start_command()
378 if (host->current_slot->bus_mode == MMC_BUSMODE_OPENDRAIN) in mmc_omap_start_command()
384 if (host->data && !(host->data->flags & MMC_DATA_WRITE)) in mmc_omap_start_command()
387 mod_timer(&host->cmd_abort_timer, jiffies + HZ/2); in mmc_omap_start_command()
389 OMAP_MMC_WRITE(host, CTO, 200); in mmc_omap_start_command()
390 OMAP_MMC_WRITE(host, ARGL, cmd->arg & 0xffff); in mmc_omap_start_command()
391 OMAP_MMC_WRITE(host, ARGH, cmd->arg >> 16); in mmc_omap_start_command()
399 OMAP_MMC_WRITE(host, IE, irq_mask); in mmc_omap_start_command()
400 OMAP_MMC_WRITE(host, CMD, cmdreg); in mmc_omap_start_command()
404 mmc_omap_release_dma(struct mmc_omap_host *host, struct mmc_data *data, in mmc_omap_release_dma() argument
408 struct device *dev = mmc_dev(host->mmc); in mmc_omap_release_dma()
413 c = host->dma_tx; in mmc_omap_release_dma()
416 c = host->dma_rx; in mmc_omap_release_dma()
426 dma_unmap_sg(dev, data->sg, host->sg_len, dma_data_dir); in mmc_omap_release_dma()
431 struct mmc_omap_host *host = container_of(work, struct mmc_omap_host, in mmc_omap_send_stop_work() local
433 struct mmc_omap_slot *slot = host->current_slot; in mmc_omap_send_stop_work()
434 struct mmc_data *data = host->stop_data; in mmc_omap_send_stop_work()
440 mmc_omap_start_command(host, data->stop); in mmc_omap_send_stop_work()
444 mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data) in mmc_omap_xfer_done() argument
446 if (host->dma_in_use) in mmc_omap_xfer_done()
447 mmc_omap_release_dma(host, data, data->error); in mmc_omap_xfer_done()
449 host->data = NULL; in mmc_omap_xfer_done()
450 host->sg_len = 0; in mmc_omap_xfer_done()
460 host->mrq = NULL; in mmc_omap_xfer_done()
461 mmc = host->mmc; in mmc_omap_xfer_done()
462 mmc_omap_release_slot(host->current_slot, 1); in mmc_omap_xfer_done()
467 host->stop_data = data; in mmc_omap_xfer_done()
468 queue_work(host->mmc_omap_wq, &host->send_stop_work); in mmc_omap_xfer_done()
472 mmc_omap_send_abort(struct mmc_omap_host *host, int maxloops) in mmc_omap_send_abort() argument
474 struct mmc_omap_slot *slot = host->current_slot; in mmc_omap_send_abort()
482 OMAP_MMC_WRITE(host, STAT, 0xFFFF); in mmc_omap_send_abort()
483 OMAP_MMC_WRITE(host, CMD, (3 << 12) | (1 << 7)); in mmc_omap_send_abort()
487 stat = OMAP_MMC_READ(host, STAT); in mmc_omap_send_abort()
497 OMAP_MMC_WRITE(host, STAT, stat); in mmc_omap_send_abort()
501 mmc_omap_abort_xfer(struct mmc_omap_host *host, struct mmc_data *data) in mmc_omap_abort_xfer() argument
503 if (host->dma_in_use) in mmc_omap_abort_xfer()
504 mmc_omap_release_dma(host, data, 1); in mmc_omap_abort_xfer()
506 host->data = NULL; in mmc_omap_abort_xfer()
507 host->sg_len = 0; in mmc_omap_abort_xfer()
509 mmc_omap_send_abort(host, 10000); in mmc_omap_abort_xfer()
513 mmc_omap_end_of_data(struct mmc_omap_host *host, struct mmc_data *data) in mmc_omap_end_of_data() argument
518 if (!host->dma_in_use) { in mmc_omap_end_of_data()
519 mmc_omap_xfer_done(host, data); in mmc_omap_end_of_data()
523 spin_lock_irqsave(&host->dma_lock, flags); in mmc_omap_end_of_data()
524 if (host->dma_done) in mmc_omap_end_of_data()
527 host->brs_received = 1; in mmc_omap_end_of_data()
528 spin_unlock_irqrestore(&host->dma_lock, flags); in mmc_omap_end_of_data()
530 mmc_omap_xfer_done(host, data); in mmc_omap_end_of_data()
534 mmc_omap_dma_done(struct mmc_omap_host *host, struct mmc_data *data) in mmc_omap_dma_done() argument
540 spin_lock_irqsave(&host->dma_lock, flags); in mmc_omap_dma_done()
541 if (host->brs_received) in mmc_omap_dma_done()
544 host->dma_done = 1; in mmc_omap_dma_done()
545 spin_unlock_irqrestore(&host->dma_lock, flags); in mmc_omap_dma_done()
547 mmc_omap_xfer_done(host, data); in mmc_omap_dma_done()
551 mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd) in mmc_omap_cmd_done() argument
553 host->cmd = NULL; in mmc_omap_cmd_done()
555 del_timer(&host->cmd_abort_timer); in mmc_omap_cmd_done()
561 OMAP_MMC_READ(host, RSP0) | in mmc_omap_cmd_done()
562 (OMAP_MMC_READ(host, RSP1) << 16); in mmc_omap_cmd_done()
564 OMAP_MMC_READ(host, RSP2) | in mmc_omap_cmd_done()
565 (OMAP_MMC_READ(host, RSP3) << 16); in mmc_omap_cmd_done()
567 OMAP_MMC_READ(host, RSP4) | in mmc_omap_cmd_done()
568 (OMAP_MMC_READ(host, RSP5) << 16); in mmc_omap_cmd_done()
570 OMAP_MMC_READ(host, RSP6) | in mmc_omap_cmd_done()
571 (OMAP_MMC_READ(host, RSP7) << 16); in mmc_omap_cmd_done()
575 OMAP_MMC_READ(host, RSP6) | in mmc_omap_cmd_done()
576 (OMAP_MMC_READ(host, RSP7) << 16); in mmc_omap_cmd_done()
580 if (host->data == NULL || cmd->error) { in mmc_omap_cmd_done()
583 if (host->data != NULL) in mmc_omap_cmd_done()
584 mmc_omap_abort_xfer(host, host->data); in mmc_omap_cmd_done()
585 host->mrq = NULL; in mmc_omap_cmd_done()
586 mmc = host->mmc; in mmc_omap_cmd_done()
587 mmc_omap_release_slot(host->current_slot, 1); in mmc_omap_cmd_done()
598 struct mmc_omap_host *host = container_of(work, struct mmc_omap_host, in mmc_omap_abort_command() local
600 BUG_ON(!host->cmd); in mmc_omap_abort_command()
602 dev_dbg(mmc_dev(host->mmc), "Aborting stuck command CMD%d\n", in mmc_omap_abort_command()
603 host->cmd->opcode); in mmc_omap_abort_command()
605 if (host->cmd->error == 0) in mmc_omap_abort_command()
606 host->cmd->error = -ETIMEDOUT; in mmc_omap_abort_command()
608 if (host->data == NULL) { in mmc_omap_abort_command()
612 cmd = host->cmd; in mmc_omap_abort_command()
613 host->cmd = NULL; in mmc_omap_abort_command()
614 mmc_omap_send_abort(host, 10000); in mmc_omap_abort_command()
616 host->mrq = NULL; in mmc_omap_abort_command()
617 mmc = host->mmc; in mmc_omap_abort_command()
618 mmc_omap_release_slot(host->current_slot, 1); in mmc_omap_abort_command()
621 mmc_omap_cmd_done(host, host->cmd); in mmc_omap_abort_command()
623 host->abort = 0; in mmc_omap_abort_command()
624 enable_irq(host->irq); in mmc_omap_abort_command()
630 struct mmc_omap_host *host = from_timer(host, t, cmd_abort_timer); in mmc_omap_cmd_timer() local
633 spin_lock_irqsave(&host->slot_lock, flags); in mmc_omap_cmd_timer()
634 if (host->cmd != NULL && !host->abort) { in mmc_omap_cmd_timer()
635 OMAP_MMC_WRITE(host, IE, 0); in mmc_omap_cmd_timer()
636 disable_irq(host->irq); in mmc_omap_cmd_timer()
637 host->abort = 1; in mmc_omap_cmd_timer()
638 queue_work(host->mmc_omap_wq, &host->cmd_abort_work); in mmc_omap_cmd_timer()
640 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_cmd_timer()
645 mmc_omap_sg_to_buf(struct mmc_omap_host *host) in mmc_omap_sg_to_buf() argument
649 sg = host->data->sg + host->sg_idx; in mmc_omap_sg_to_buf()
650 host->buffer_bytes_left = sg->length; in mmc_omap_sg_to_buf()
651 host->buffer = sg_virt(sg); in mmc_omap_sg_to_buf()
652 if (host->buffer_bytes_left > host->total_bytes_left) in mmc_omap_sg_to_buf()
653 host->buffer_bytes_left = host->total_bytes_left; in mmc_omap_sg_to_buf()
659 struct mmc_omap_host *host = from_timer(host, t, clk_timer); in mmc_omap_clk_timer() local
661 mmc_omap_fclk_enable(host, 0); in mmc_omap_clk_timer()
666 mmc_omap_xfer_data(struct mmc_omap_host *host, int write) in mmc_omap_xfer_data() argument
670 if (host->buffer_bytes_left == 0) { in mmc_omap_xfer_data()
671 host->sg_idx++; in mmc_omap_xfer_data()
672 BUG_ON(host->sg_idx == host->sg_len); in mmc_omap_xfer_data()
673 mmc_omap_sg_to_buf(host); in mmc_omap_xfer_data()
676 if (n > host->buffer_bytes_left) in mmc_omap_xfer_data()
677 n = host->buffer_bytes_left; in mmc_omap_xfer_data()
682 host->buffer_bytes_left -= n; in mmc_omap_xfer_data()
683 host->total_bytes_left -= n; in mmc_omap_xfer_data()
684 host->data->bytes_xfered += n; in mmc_omap_xfer_data()
687 __raw_writesw(host->virt_base + OMAP_MMC_REG(host, DATA), in mmc_omap_xfer_data()
688 host->buffer, nwords); in mmc_omap_xfer_data()
690 __raw_readsw(host->virt_base + OMAP_MMC_REG(host, DATA), in mmc_omap_xfer_data()
691 host->buffer, nwords); in mmc_omap_xfer_data()
694 host->buffer += nwords; in mmc_omap_xfer_data()
698 static void mmc_omap_report_irq(struct mmc_omap_host *host, u16 status) in mmc_omap_report_irq() argument
712 dev_vdbg(mmc_dev(host->mmc), "%s\n", res); in mmc_omap_report_irq()
715 static void mmc_omap_report_irq(struct mmc_omap_host *host, u16 status) in mmc_omap_report_irq() argument
723 struct mmc_omap_host * host = (struct mmc_omap_host *)dev_id; in mmc_omap_irq() local
729 if (host->cmd == NULL && host->data == NULL) { in mmc_omap_irq()
730 status = OMAP_MMC_READ(host, STAT); in mmc_omap_irq()
731 dev_info(mmc_dev(host->slots[0]->mmc), in mmc_omap_irq()
734 OMAP_MMC_WRITE(host, STAT, status); in mmc_omap_irq()
735 OMAP_MMC_WRITE(host, IE, 0); in mmc_omap_irq()
745 while ((status = OMAP_MMC_READ(host, STAT)) != 0) { in mmc_omap_irq()
748 OMAP_MMC_WRITE(host, STAT, status); in mmc_omap_irq()
749 if (host->cmd != NULL) in mmc_omap_irq()
750 cmd = host->cmd->opcode; in mmc_omap_irq()
753 dev_dbg(mmc_dev(host->mmc), "MMC IRQ %04x (CMD %d): ", in mmc_omap_irq()
755 mmc_omap_report_irq(host, status); in mmc_omap_irq()
757 if (host->total_bytes_left) { in mmc_omap_irq()
760 mmc_omap_xfer_data(host, 0); in mmc_omap_irq()
762 mmc_omap_xfer_data(host, 1); in mmc_omap_irq()
769 dev_dbg(mmc_dev(host->mmc), "data timeout (CMD%d)\n", in mmc_omap_irq()
771 if (host->data) { in mmc_omap_irq()
772 host->data->error = -ETIMEDOUT; in mmc_omap_irq()
778 if (host->data) { in mmc_omap_irq()
779 host->data->error = -EILSEQ; in mmc_omap_irq()
780 dev_dbg(mmc_dev(host->mmc), in mmc_omap_irq()
782 host->total_bytes_left); in mmc_omap_irq()
785 dev_dbg(mmc_dev(host->mmc), "data CRC error\n"); in mmc_omap_irq()
791 if (host->cmd) { in mmc_omap_irq()
793 host->current_slot; in mmc_omap_irq()
796 dev_err(mmc_dev(host->mmc), in mmc_omap_irq()
799 host->cmd->error = -ETIMEDOUT; in mmc_omap_irq()
806 if (host->cmd) { in mmc_omap_irq()
807 dev_err(mmc_dev(host->mmc), in mmc_omap_irq()
809 cmd, host->cmd->arg); in mmc_omap_irq()
810 host->cmd->error = -EILSEQ; in mmc_omap_irq()
814 dev_err(mmc_dev(host->mmc), in mmc_omap_irq()
819 dev_dbg(mmc_dev(host->mmc), in mmc_omap_irq()
835 if (cmd_error && host->data) { in mmc_omap_irq()
836 del_timer(&host->cmd_abort_timer); in mmc_omap_irq()
837 host->abort = 1; in mmc_omap_irq()
838 OMAP_MMC_WRITE(host, IE, 0); in mmc_omap_irq()
839 disable_irq_nosync(host->irq); in mmc_omap_irq()
840 queue_work(host->mmc_omap_wq, &host->cmd_abort_work); in mmc_omap_irq()
844 if (end_command && host->cmd) in mmc_omap_irq()
845 mmc_omap_cmd_done(host, host->cmd); in mmc_omap_irq()
846 if (host->data != NULL) { in mmc_omap_irq()
848 mmc_omap_xfer_done(host, host->data); in mmc_omap_irq()
850 mmc_omap_end_of_data(host, host->data); in mmc_omap_irq()
859 struct mmc_omap_host *host = dev_get_drvdata(dev); in omap_mmc_notify_cover_event() local
860 struct mmc_omap_slot *slot = host->slots[num]; in omap_mmc_notify_cover_event()
862 BUG_ON(num >= host->nr_slots); in omap_mmc_notify_cover_event()
865 if (host->nr_slots == 0 || !host->slots[num]) in omap_mmc_notify_cover_event()
905 struct mmc_omap_host *host = priv; in mmc_omap_dma_callback() local
906 struct mmc_data *data = host->data; in mmc_omap_dma_callback()
911 mmc_omap_dma_done(host, data); in mmc_omap_dma_callback()
914 static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_request *req) in set_cmd_timeout() argument
918 reg = OMAP_MMC_READ(host, SDIO); in set_cmd_timeout()
920 OMAP_MMC_WRITE(host, SDIO, reg); in set_cmd_timeout()
922 OMAP_MMC_WRITE(host, CTO, 0xff); in set_cmd_timeout()
925 static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req) in set_data_timeout() argument
930 cycle_ns = 1000000000 / host->current_slot->fclk_freq; in set_data_timeout()
935 reg = OMAP_MMC_READ(host, SDIO); in set_data_timeout()
941 OMAP_MMC_WRITE(host, SDIO, reg); in set_data_timeout()
942 OMAP_MMC_WRITE(host, DTO, timeout); in set_data_timeout()
946 mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) in mmc_omap_prepare_data() argument
953 host->data = data; in mmc_omap_prepare_data()
955 OMAP_MMC_WRITE(host, BLEN, 0); in mmc_omap_prepare_data()
956 OMAP_MMC_WRITE(host, NBLK, 0); in mmc_omap_prepare_data()
957 OMAP_MMC_WRITE(host, BUF, 0); in mmc_omap_prepare_data()
958 host->dma_in_use = 0; in mmc_omap_prepare_data()
959 set_cmd_timeout(host, req); in mmc_omap_prepare_data()
965 OMAP_MMC_WRITE(host, NBLK, data->blocks - 1); in mmc_omap_prepare_data()
966 OMAP_MMC_WRITE(host, BLEN, block_size - 1); in mmc_omap_prepare_data()
967 set_data_timeout(host, req); in mmc_omap_prepare_data()
982 host->sg_idx = 0; in mmc_omap_prepare_data()
1003 c = host->dma_tx; in mmc_omap_prepare_data()
1004 bp = &host->dma_tx_burst; in mmc_omap_prepare_data()
1008 c = host->dma_rx; in mmc_omap_prepare_data()
1009 bp = &host->dma_rx_burst; in mmc_omap_prepare_data()
1020 .src_addr = host->phys_base + in mmc_omap_prepare_data()
1021 OMAP_MMC_REG(host, DATA), in mmc_omap_prepare_data()
1022 .dst_addr = host->phys_base + in mmc_omap_prepare_data()
1023 OMAP_MMC_REG(host, DATA), in mmc_omap_prepare_data()
1036 host->sg_len = dma_map_sg(c->device->dev, data->sg, sg_len, in mmc_omap_prepare_data()
1038 if (host->sg_len == 0) in mmc_omap_prepare_data()
1041 tx = dmaengine_prep_slave_sg(c, data->sg, host->sg_len, in mmc_omap_prepare_data()
1047 OMAP_MMC_WRITE(host, BUF, buf); in mmc_omap_prepare_data()
1050 tx->callback_param = host; in mmc_omap_prepare_data()
1052 host->brs_received = 0; in mmc_omap_prepare_data()
1053 host->dma_done = 0; in mmc_omap_prepare_data()
1054 host->dma_in_use = 1; in mmc_omap_prepare_data()
1060 OMAP_MMC_WRITE(host, BUF, 0x1f1f); in mmc_omap_prepare_data()
1061 host->total_bytes_left = data->blocks * block_size; in mmc_omap_prepare_data()
1062 host->sg_len = sg_len; in mmc_omap_prepare_data()
1063 mmc_omap_sg_to_buf(host); in mmc_omap_prepare_data()
1064 host->dma_in_use = 0; in mmc_omap_prepare_data()
1067 static void mmc_omap_start_request(struct mmc_omap_host *host, in mmc_omap_start_request() argument
1070 BUG_ON(host->mrq != NULL); in mmc_omap_start_request()
1072 host->mrq = req; in mmc_omap_start_request()
1075 mmc_omap_prepare_data(host, req); in mmc_omap_start_request()
1076 mmc_omap_start_command(host, req->cmd); in mmc_omap_start_request()
1077 if (host->dma_in_use) { in mmc_omap_start_request()
1078 struct dma_chan *c = host->data->flags & MMC_DATA_WRITE ? in mmc_omap_start_request()
1079 host->dma_tx : host->dma_rx; in mmc_omap_start_request()
1088 struct mmc_omap_host *host = slot->host; in mmc_omap_request() local
1091 spin_lock_irqsave(&host->slot_lock, flags); in mmc_omap_request()
1092 if (host->mmc != NULL) { in mmc_omap_request()
1095 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_request()
1098 host->mmc = mmc; in mmc_omap_request()
1099 spin_unlock_irqrestore(&host->slot_lock, flags); in mmc_omap_request()
1101 mmc_omap_start_request(host, req); in mmc_omap_request()
1107 struct mmc_omap_host *host; in mmc_omap_set_power() local
1109 host = slot->host; in mmc_omap_set_power()
1118 w = OMAP_MMC_READ(host, CON); in mmc_omap_set_power()
1119 OMAP_MMC_WRITE(host, CON, w | (1 << 11)); in mmc_omap_set_power()
1121 w = OMAP_MMC_READ(host, CON); in mmc_omap_set_power()
1122 OMAP_MMC_WRITE(host, CON, w & ~(1 << 11)); in mmc_omap_set_power()
1130 struct mmc_omap_host *host = slot->host; in mmc_omap_calc_divisor() local
1131 int func_clk_rate = clk_get_rate(host->fclk); in mmc_omap_calc_divisor()
1158 struct mmc_omap_host *host = slot->host; in mmc_omap_set_ios() local
1179 mmc_omap_fclk_enable(host, 1); in mmc_omap_set_ios()
1197 OMAP_MMC_WRITE(host, CON, dsor); in mmc_omap_set_ios()
1204 OMAP_MMC_WRITE(host, IE, 0); in mmc_omap_set_ios()
1205 OMAP_MMC_WRITE(host, STAT, 0xffff); in mmc_omap_set_ios()
1206 OMAP_MMC_WRITE(host, CMD, 1 << 7); in mmc_omap_set_ios()
1207 while (usecs > 0 && (OMAP_MMC_READ(host, STAT) & 1) == 0) { in mmc_omap_set_ios()
1211 OMAP_MMC_WRITE(host, STAT, 1); in mmc_omap_set_ios()
1223 static int mmc_omap_new_slot(struct mmc_omap_host *host, int id) in mmc_omap_new_slot() argument
1229 mmc = mmc_alloc_host(sizeof(struct mmc_omap_slot), host->dev); in mmc_omap_new_slot()
1234 slot->host = host; in mmc_omap_new_slot()
1237 slot->pdata = &host->pdata->slots[id]; in mmc_omap_new_slot()
1239 host->slots[id] = slot; in mmc_omap_new_slot()
1242 if (host->pdata->slots[id].wires >= 4) in mmc_omap_new_slot()
1252 if (host->pdata->max_freq) in mmc_omap_new_slot()
1253 mmc->f_max = min(host->pdata->max_freq, mmc->f_max); in mmc_omap_new_slot()
1313 flush_workqueue(slot->host->mmc_omap_wq); in mmc_omap_remove_slot()
1322 struct mmc_omap_host *host = NULL; in mmc_omap_probe() local
1336 host = devm_kzalloc(&pdev->dev, sizeof(struct mmc_omap_host), in mmc_omap_probe()
1338 if (host == NULL) in mmc_omap_probe()
1346 host->virt_base = devm_ioremap_resource(&pdev->dev, res); in mmc_omap_probe()
1347 if (IS_ERR(host->virt_base)) in mmc_omap_probe()
1348 return PTR_ERR(host->virt_base); in mmc_omap_probe()
1350 INIT_WORK(&host->slot_release_work, mmc_omap_slot_release_work); in mmc_omap_probe()
1351 INIT_WORK(&host->send_stop_work, mmc_omap_send_stop_work); in mmc_omap_probe()
1353 INIT_WORK(&host->cmd_abort_work, mmc_omap_abort_command); in mmc_omap_probe()
1354 timer_setup(&host->cmd_abort_timer, mmc_omap_cmd_timer, 0); in mmc_omap_probe()
1356 spin_lock_init(&host->clk_lock); in mmc_omap_probe()
1357 timer_setup(&host->clk_timer, mmc_omap_clk_timer, 0); in mmc_omap_probe()
1359 spin_lock_init(&host->dma_lock); in mmc_omap_probe()
1360 spin_lock_init(&host->slot_lock); in mmc_omap_probe()
1361 init_waitqueue_head(&host->slot_wq); in mmc_omap_probe()
1363 host->pdata = pdata; in mmc_omap_probe()
1364 host->features = host->pdata->slots[0].features; in mmc_omap_probe()
1365 host->dev = &pdev->dev; in mmc_omap_probe()
1366 platform_set_drvdata(pdev, host); in mmc_omap_probe()
1368 host->id = pdev->id; in mmc_omap_probe()
1369 host->irq = irq; in mmc_omap_probe()
1370 host->phys_base = res->start; in mmc_omap_probe()
1371 host->iclk = clk_get(&pdev->dev, "ick"); in mmc_omap_probe()
1372 if (IS_ERR(host->iclk)) in mmc_omap_probe()
1373 return PTR_ERR(host->iclk); in mmc_omap_probe()
1374 clk_enable(host->iclk); in mmc_omap_probe()
1376 host->fclk = clk_get(&pdev->dev, "fck"); in mmc_omap_probe()
1377 if (IS_ERR(host->fclk)) { in mmc_omap_probe()
1378 ret = PTR_ERR(host->fclk); in mmc_omap_probe()
1382 host->dma_tx_burst = -1; in mmc_omap_probe()
1383 host->dma_rx_burst = -1; in mmc_omap_probe()
1385 host->dma_tx = dma_request_chan(&pdev->dev, "tx"); in mmc_omap_probe()
1386 if (IS_ERR(host->dma_tx)) { in mmc_omap_probe()
1387 ret = PTR_ERR(host->dma_tx); in mmc_omap_probe()
1389 clk_put(host->fclk); in mmc_omap_probe()
1393 host->dma_tx = NULL; in mmc_omap_probe()
1394 dev_warn(host->dev, "TX DMA channel request failed\n"); in mmc_omap_probe()
1397 host->dma_rx = dma_request_chan(&pdev->dev, "rx"); in mmc_omap_probe()
1398 if (IS_ERR(host->dma_rx)) { in mmc_omap_probe()
1399 ret = PTR_ERR(host->dma_rx); in mmc_omap_probe()
1401 if (host->dma_tx) in mmc_omap_probe()
1402 dma_release_channel(host->dma_tx); in mmc_omap_probe()
1403 clk_put(host->fclk); in mmc_omap_probe()
1407 host->dma_rx = NULL; in mmc_omap_probe()
1408 dev_warn(host->dev, "RX DMA channel request failed\n"); in mmc_omap_probe()
1411 ret = request_irq(host->irq, mmc_omap_irq, 0, DRIVER_NAME, host); in mmc_omap_probe()
1421 host->nr_slots = pdata->nr_slots; in mmc_omap_probe()
1422 host->reg_shift = (mmc_omap7xx() ? 1 : 2); in mmc_omap_probe()
1424 host->mmc_omap_wq = alloc_workqueue("mmc_omap", 0, 0); in mmc_omap_probe()
1425 if (!host->mmc_omap_wq) { in mmc_omap_probe()
1431 ret = mmc_omap_new_slot(host, i); in mmc_omap_probe()
1434 mmc_omap_remove_slot(host->slots[i]); in mmc_omap_probe()
1443 destroy_workqueue(host->mmc_omap_wq); in mmc_omap_probe()
1448 free_irq(host->irq, host); in mmc_omap_probe()
1450 if (host->dma_tx) in mmc_omap_probe()
1451 dma_release_channel(host->dma_tx); in mmc_omap_probe()
1452 if (host->dma_rx) in mmc_omap_probe()
1453 dma_release_channel(host->dma_rx); in mmc_omap_probe()
1454 clk_put(host->fclk); in mmc_omap_probe()
1456 clk_disable(host->iclk); in mmc_omap_probe()
1457 clk_put(host->iclk); in mmc_omap_probe()
1463 struct mmc_omap_host *host = platform_get_drvdata(pdev); in mmc_omap_remove() local
1466 BUG_ON(host == NULL); in mmc_omap_remove()
1468 for (i = 0; i < host->nr_slots; i++) in mmc_omap_remove()
1469 mmc_omap_remove_slot(host->slots[i]); in mmc_omap_remove()
1471 if (host->pdata->cleanup) in mmc_omap_remove()
1472 host->pdata->cleanup(&pdev->dev); in mmc_omap_remove()
1474 mmc_omap_fclk_enable(host, 0); in mmc_omap_remove()
1475 free_irq(host->irq, host); in mmc_omap_remove()
1476 clk_put(host->fclk); in mmc_omap_remove()
1477 clk_disable(host->iclk); in mmc_omap_remove()
1478 clk_put(host->iclk); in mmc_omap_remove()
1480 if (host->dma_tx) in mmc_omap_remove()
1481 dma_release_channel(host->dma_tx); in mmc_omap_remove()
1482 if (host->dma_rx) in mmc_omap_remove()
1483 dma_release_channel(host->dma_rx); in mmc_omap_remove()
1485 destroy_workqueue(host->mmc_omap_wq); in mmc_omap_remove()