Lines Matching refs:host
230 static void mmc_davinci_sg_to_buf(struct mmc_davinci_host *host) in mmc_davinci_sg_to_buf() argument
232 host->buffer_bytes_left = sg_dma_len(host->sg); in mmc_davinci_sg_to_buf()
233 host->buffer = sg_virt(host->sg); in mmc_davinci_sg_to_buf()
234 if (host->buffer_bytes_left > host->bytes_left) in mmc_davinci_sg_to_buf()
235 host->buffer_bytes_left = host->bytes_left; in mmc_davinci_sg_to_buf()
238 static void davinci_fifo_data_trans(struct mmc_davinci_host *host, in davinci_fifo_data_trans() argument
244 if (host->buffer_bytes_left == 0) { in davinci_fifo_data_trans()
245 host->sg = sg_next(host->data->sg); in davinci_fifo_data_trans()
246 mmc_davinci_sg_to_buf(host); in davinci_fifo_data_trans()
249 p = host->buffer; in davinci_fifo_data_trans()
250 if (n > host->buffer_bytes_left) in davinci_fifo_data_trans()
251 n = host->buffer_bytes_left; in davinci_fifo_data_trans()
252 host->buffer_bytes_left -= n; in davinci_fifo_data_trans()
253 host->bytes_left -= n; in davinci_fifo_data_trans()
259 if (host->data_dir == DAVINCI_MMC_DATADIR_WRITE) { in davinci_fifo_data_trans()
261 writel(*((u32 *)p), host->base + DAVINCI_MMCDXR); in davinci_fifo_data_trans()
265 iowrite8_rep(host->base + DAVINCI_MMCDXR, p, (n & 3)); in davinci_fifo_data_trans()
270 *((u32 *)p) = readl(host->base + DAVINCI_MMCDRR); in davinci_fifo_data_trans()
274 ioread8_rep(host->base + DAVINCI_MMCDRR, p, (n & 3)); in davinci_fifo_data_trans()
278 host->buffer = p; in davinci_fifo_data_trans()
281 static void mmc_davinci_start_command(struct mmc_davinci_host *host, in mmc_davinci_start_command() argument
287 dev_dbg(mmc_dev(host->mmc), "CMD%d, arg 0x%08x%s\n", in mmc_davinci_start_command()
307 host->cmd = cmd; in mmc_davinci_start_command()
328 dev_dbg(mmc_dev(host->mmc), "unknown resp_type %04x\n", in mmc_davinci_start_command()
337 if (host->do_dma) in mmc_davinci_start_command()
340 if (host->version == MMC_CTLR_VERSION_2 && host->data != NULL && in mmc_davinci_start_command()
341 host->data_dir == DAVINCI_MMC_DATADIR_READ) in mmc_davinci_start_command()
349 if (host->data_dir == DAVINCI_MMC_DATADIR_WRITE) in mmc_davinci_start_command()
352 if (host->bus_mode == MMC_BUSMODE_PUSHPULL) in mmc_davinci_start_command()
356 writel(0x1FFF, host->base + DAVINCI_MMCTOR); in mmc_davinci_start_command()
360 if (host->data_dir == DAVINCI_MMC_DATADIR_WRITE) { in mmc_davinci_start_command()
363 if (!host->do_dma) in mmc_davinci_start_command()
365 } else if (host->data_dir == DAVINCI_MMC_DATADIR_READ) { in mmc_davinci_start_command()
368 if (!host->do_dma) in mmc_davinci_start_command()
376 if (!host->do_dma && (host->data_dir == DAVINCI_MMC_DATADIR_WRITE)) in mmc_davinci_start_command()
377 davinci_fifo_data_trans(host, rw_threshold); in mmc_davinci_start_command()
379 writel(cmd->arg, host->base + DAVINCI_MMCARGHL); in mmc_davinci_start_command()
380 writel(cmd_reg, host->base + DAVINCI_MMCCMD); in mmc_davinci_start_command()
382 host->active_request = true; in mmc_davinci_start_command()
384 if (!host->do_dma && host->bytes_left <= poll_threshold) { in mmc_davinci_start_command()
387 while (host->active_request && count--) { in mmc_davinci_start_command()
388 mmc_davinci_irq(0, host); in mmc_davinci_start_command()
393 if (host->active_request) in mmc_davinci_start_command()
394 writel(im_val, host->base + DAVINCI_MMCIM); in mmc_davinci_start_command()
401 static void davinci_abort_dma(struct mmc_davinci_host *host) in davinci_abort_dma() argument
405 if (host->data_dir == DAVINCI_MMC_DATADIR_READ) in davinci_abort_dma()
406 sync_dev = host->dma_rx; in davinci_abort_dma()
408 sync_dev = host->dma_tx; in davinci_abort_dma()
413 static int mmc_davinci_send_dma_request(struct mmc_davinci_host *host, in mmc_davinci_send_dma_request() argument
420 if (host->data_dir == DAVINCI_MMC_DATADIR_WRITE) { in mmc_davinci_send_dma_request()
423 .dst_addr = host->mem_res->start + DAVINCI_MMCDXR, in mmc_davinci_send_dma_request()
428 chan = host->dma_tx; in mmc_davinci_send_dma_request()
429 dmaengine_slave_config(host->dma_tx, &dma_tx_conf); in mmc_davinci_send_dma_request()
431 desc = dmaengine_prep_slave_sg(host->dma_tx, in mmc_davinci_send_dma_request()
433 host->sg_len, in mmc_davinci_send_dma_request()
437 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_send_dma_request()
445 .src_addr = host->mem_res->start + DAVINCI_MMCDRR, in mmc_davinci_send_dma_request()
450 chan = host->dma_rx; in mmc_davinci_send_dma_request()
451 dmaengine_slave_config(host->dma_rx, &dma_rx_conf); in mmc_davinci_send_dma_request()
453 desc = dmaengine_prep_slave_sg(host->dma_rx, in mmc_davinci_send_dma_request()
455 host->sg_len, in mmc_davinci_send_dma_request()
459 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_send_dma_request()
473 static int mmc_davinci_start_dma_transfer(struct mmc_davinci_host *host, in mmc_davinci_start_dma_transfer() argument
480 host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, in mmc_davinci_start_dma_transfer()
484 for (i = 0; i < host->sg_len; i++) { in mmc_davinci_start_dma_transfer()
486 dma_unmap_sg(mmc_dev(host->mmc), in mmc_davinci_start_dma_transfer()
493 host->do_dma = 1; in mmc_davinci_start_dma_transfer()
494 ret = mmc_davinci_send_dma_request(host, data); in mmc_davinci_start_dma_transfer()
499 static void davinci_release_dma_channels(struct mmc_davinci_host *host) in davinci_release_dma_channels() argument
501 if (!host->use_dma) in davinci_release_dma_channels()
504 dma_release_channel(host->dma_tx); in davinci_release_dma_channels()
505 dma_release_channel(host->dma_rx); in davinci_release_dma_channels()
508 static int davinci_acquire_dma_channels(struct mmc_davinci_host *host) in davinci_acquire_dma_channels() argument
510 host->dma_tx = dma_request_chan(mmc_dev(host->mmc), "tx"); in davinci_acquire_dma_channels()
511 if (IS_ERR(host->dma_tx)) { in davinci_acquire_dma_channels()
512 dev_err(mmc_dev(host->mmc), "Can't get dma_tx channel\n"); in davinci_acquire_dma_channels()
513 return PTR_ERR(host->dma_tx); in davinci_acquire_dma_channels()
516 host->dma_rx = dma_request_chan(mmc_dev(host->mmc), "rx"); in davinci_acquire_dma_channels()
517 if (IS_ERR(host->dma_rx)) { in davinci_acquire_dma_channels()
518 dev_err(mmc_dev(host->mmc), "Can't get dma_rx channel\n"); in davinci_acquire_dma_channels()
519 dma_release_channel(host->dma_tx); in davinci_acquire_dma_channels()
520 return PTR_ERR(host->dma_rx); in davinci_acquire_dma_channels()
529 mmc_davinci_prepare_data(struct mmc_davinci_host *host, struct mmc_request *req) in mmc_davinci_prepare_data() argument
535 if (host->version == MMC_CTLR_VERSION_2) in mmc_davinci_prepare_data()
538 host->data = data; in mmc_davinci_prepare_data()
540 host->data_dir = DAVINCI_MMC_DATADIR_NONE; in mmc_davinci_prepare_data()
541 writel(0, host->base + DAVINCI_MMCBLEN); in mmc_davinci_prepare_data()
542 writel(0, host->base + DAVINCI_MMCNBLK); in mmc_davinci_prepare_data()
546 dev_dbg(mmc_dev(host->mmc), "%s, %d blocks of %d bytes\n", in mmc_davinci_prepare_data()
549 dev_dbg(mmc_dev(host->mmc), " DTO %d cycles + %d ns\n", in mmc_davinci_prepare_data()
552 (data->timeout_ns / host->ns_in_one_cycle); in mmc_davinci_prepare_data()
556 writel(timeout, host->base + DAVINCI_MMCTOD); in mmc_davinci_prepare_data()
557 writel(data->blocks, host->base + DAVINCI_MMCNBLK); in mmc_davinci_prepare_data()
558 writel(data->blksz, host->base + DAVINCI_MMCBLEN); in mmc_davinci_prepare_data()
562 host->data_dir = DAVINCI_MMC_DATADIR_WRITE; in mmc_davinci_prepare_data()
564 host->base + DAVINCI_MMCFIFOCTL); in mmc_davinci_prepare_data()
566 host->base + DAVINCI_MMCFIFOCTL); in mmc_davinci_prepare_data()
568 host->data_dir = DAVINCI_MMC_DATADIR_READ; in mmc_davinci_prepare_data()
570 host->base + DAVINCI_MMCFIFOCTL); in mmc_davinci_prepare_data()
572 host->base + DAVINCI_MMCFIFOCTL); in mmc_davinci_prepare_data()
575 host->buffer = NULL; in mmc_davinci_prepare_data()
576 host->bytes_left = data->blocks * data->blksz; in mmc_davinci_prepare_data()
586 if (host->use_dma && (host->bytes_left & (rw_threshold - 1)) == 0 in mmc_davinci_prepare_data()
587 && mmc_davinci_start_dma_transfer(host, data) == 0) { in mmc_davinci_prepare_data()
589 host->bytes_left = 0; in mmc_davinci_prepare_data()
592 host->sg_len = data->sg_len; in mmc_davinci_prepare_data()
593 host->sg = host->data->sg; in mmc_davinci_prepare_data()
594 mmc_davinci_sg_to_buf(host); in mmc_davinci_prepare_data()
600 struct mmc_davinci_host *host = mmc_priv(mmc); in mmc_davinci_request() local
608 mmcst1 = readl(host->base + DAVINCI_MMCST1); in mmc_davinci_request()
614 dev_err(mmc_dev(host->mmc), "still BUSY? bad ... \n"); in mmc_davinci_request()
620 host->do_dma = 0; in mmc_davinci_request()
621 mmc_davinci_prepare_data(host, req); in mmc_davinci_request()
622 mmc_davinci_start_command(host, req->cmd); in mmc_davinci_request()
625 static unsigned int calculate_freq_for_card(struct mmc_davinci_host *host, in calculate_freq_for_card() argument
630 mmc_pclk = host->mmc_input_clk; in calculate_freq_for_card()
644 host->ns_in_one_cycle = (1000000) / (((mmc_pclk in calculate_freq_for_card()
647 host->ns_in_one_cycle = (1000000) / (((mmc_pclk in calculate_freq_for_card()
657 struct mmc_davinci_host *host = mmc_priv(mmc); in calculate_clk_divider() local
671 temp = readl(host->base + DAVINCI_MMCCLK) & ~MMCCLK_CLKRT_MASK; in calculate_clk_divider()
673 writel(temp, host->base + DAVINCI_MMCCLK); in calculate_clk_divider()
676 host->ns_in_one_cycle = (1000000) / (MMCSD_INIT_CLOCK/1000); in calculate_clk_divider()
679 mmc_push_pull_freq = calculate_freq_for_card(host, ios->clock); in calculate_clk_divider()
684 temp = readl(host->base + DAVINCI_MMCCLK) & ~MMCCLK_CLKEN; in calculate_clk_divider()
685 writel(temp, host->base + DAVINCI_MMCCLK); in calculate_clk_divider()
689 temp = readl(host->base + DAVINCI_MMCCLK) & ~MMCCLK_CLKRT_MASK; in calculate_clk_divider()
691 writel(temp, host->base + DAVINCI_MMCCLK); in calculate_clk_divider()
693 writel(temp | MMCCLK_CLKEN, host->base + DAVINCI_MMCCLK); in calculate_clk_divider()
701 struct mmc_davinci_host *host = mmc_priv(mmc); in mmc_davinci_set_ios() local
705 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_set_ios()
723 dev_dbg(mmc_dev(host->mmc), "Enabling 8 bit mode\n"); in mmc_davinci_set_ios()
724 writel((readl(host->base + DAVINCI_MMCCTL) & in mmc_davinci_set_ios()
726 host->base + DAVINCI_MMCCTL); in mmc_davinci_set_ios()
729 dev_dbg(mmc_dev(host->mmc), "Enabling 4 bit mode\n"); in mmc_davinci_set_ios()
730 if (host->version == MMC_CTLR_VERSION_2) in mmc_davinci_set_ios()
731 writel((readl(host->base + DAVINCI_MMCCTL) & in mmc_davinci_set_ios()
733 host->base + DAVINCI_MMCCTL); in mmc_davinci_set_ios()
735 writel(readl(host->base + DAVINCI_MMCCTL) | in mmc_davinci_set_ios()
737 host->base + DAVINCI_MMCCTL); in mmc_davinci_set_ios()
740 dev_dbg(mmc_dev(host->mmc), "Enabling 1 bit mode\n"); in mmc_davinci_set_ios()
741 if (host->version == MMC_CTLR_VERSION_2) in mmc_davinci_set_ios()
742 writel(readl(host->base + DAVINCI_MMCCTL) & in mmc_davinci_set_ios()
744 host->base + DAVINCI_MMCCTL); in mmc_davinci_set_ios()
746 writel(readl(host->base + DAVINCI_MMCCTL) & in mmc_davinci_set_ios()
748 host->base + DAVINCI_MMCCTL); in mmc_davinci_set_ios()
754 host->bus_mode = ios->bus_mode; in mmc_davinci_set_ios()
760 writel(0, host->base + DAVINCI_MMCARGHL); in mmc_davinci_set_ios()
761 writel(MMCCMD_INITCK, host->base + DAVINCI_MMCCMD); in mmc_davinci_set_ios()
763 u32 tmp = readl(host->base + DAVINCI_MMCST0); in mmc_davinci_set_ios()
772 dev_warn(mmc_dev(host->mmc), "powerup timeout\n"); in mmc_davinci_set_ios()
779 mmc_davinci_xfer_done(struct mmc_davinci_host *host, struct mmc_data *data) in mmc_davinci_xfer_done() argument
781 host->data = NULL; in mmc_davinci_xfer_done()
783 if (host->mmc->caps & MMC_CAP_SDIO_IRQ) { in mmc_davinci_xfer_done()
789 if (host->sdio_int && !(readl(host->base + DAVINCI_SDIOST0) & in mmc_davinci_xfer_done()
791 writel(SDIOIST_IOINT, host->base + DAVINCI_SDIOIST); in mmc_davinci_xfer_done()
792 mmc_signal_sdio_irq(host->mmc); in mmc_davinci_xfer_done()
796 if (host->do_dma) { in mmc_davinci_xfer_done()
797 davinci_abort_dma(host); in mmc_davinci_xfer_done()
799 dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, in mmc_davinci_xfer_done()
801 host->do_dma = false; in mmc_davinci_xfer_done()
803 host->data_dir = DAVINCI_MMC_DATADIR_NONE; in mmc_davinci_xfer_done()
805 if (!data->stop || (host->cmd && host->cmd->error)) { in mmc_davinci_xfer_done()
806 mmc_request_done(host->mmc, data->mrq); in mmc_davinci_xfer_done()
807 writel(0, host->base + DAVINCI_MMCIM); in mmc_davinci_xfer_done()
808 host->active_request = false; in mmc_davinci_xfer_done()
810 mmc_davinci_start_command(host, data->stop); in mmc_davinci_xfer_done()
813 static void mmc_davinci_cmd_done(struct mmc_davinci_host *host, in mmc_davinci_cmd_done() argument
816 host->cmd = NULL; in mmc_davinci_cmd_done()
821 cmd->resp[3] = readl(host->base + DAVINCI_MMCRSP01); in mmc_davinci_cmd_done()
822 cmd->resp[2] = readl(host->base + DAVINCI_MMCRSP23); in mmc_davinci_cmd_done()
823 cmd->resp[1] = readl(host->base + DAVINCI_MMCRSP45); in mmc_davinci_cmd_done()
824 cmd->resp[0] = readl(host->base + DAVINCI_MMCRSP67); in mmc_davinci_cmd_done()
827 cmd->resp[0] = readl(host->base + DAVINCI_MMCRSP67); in mmc_davinci_cmd_done()
831 if (host->data == NULL || cmd->error) { in mmc_davinci_cmd_done()
834 mmc_request_done(host->mmc, cmd->mrq); in mmc_davinci_cmd_done()
835 writel(0, host->base + DAVINCI_MMCIM); in mmc_davinci_cmd_done()
836 host->active_request = false; in mmc_davinci_cmd_done()
840 static inline void mmc_davinci_reset_ctrl(struct mmc_davinci_host *host, in mmc_davinci_reset_ctrl() argument
845 temp = readl(host->base + DAVINCI_MMCCTL); in mmc_davinci_reset_ctrl()
851 writel(temp, host->base + DAVINCI_MMCCTL); in mmc_davinci_reset_ctrl()
856 davinci_abort_data(struct mmc_davinci_host *host, struct mmc_data *data) in davinci_abort_data() argument
858 mmc_davinci_reset_ctrl(host, 1); in davinci_abort_data()
859 mmc_davinci_reset_ctrl(host, 0); in davinci_abort_data()
864 struct mmc_davinci_host *host = dev_id; in mmc_davinci_sdio_irq() local
867 status = readl(host->base + DAVINCI_SDIOIST); in mmc_davinci_sdio_irq()
869 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_sdio_irq()
871 writel(status | SDIOIST_IOINT, host->base + DAVINCI_SDIOIST); in mmc_davinci_sdio_irq()
872 mmc_signal_sdio_irq(host->mmc); in mmc_davinci_sdio_irq()
879 struct mmc_davinci_host *host = (struct mmc_davinci_host *)dev_id; in mmc_davinci_irq() local
883 struct mmc_data *data = host->data; in mmc_davinci_irq()
885 if (host->cmd == NULL && host->data == NULL) { in mmc_davinci_irq()
886 status = readl(host->base + DAVINCI_MMCST0); in mmc_davinci_irq()
887 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_irq()
890 writel(0, host->base + DAVINCI_MMCIM); in mmc_davinci_irq()
894 status = readl(host->base + DAVINCI_MMCST0); in mmc_davinci_irq()
904 if (host->bytes_left && (status & (MMCST0_DXRDY | MMCST0_DRRDY))) { in mmc_davinci_irq()
914 im_val = readl(host->base + DAVINCI_MMCIM); in mmc_davinci_irq()
915 writel(0, host->base + DAVINCI_MMCIM); in mmc_davinci_irq()
918 davinci_fifo_data_trans(host, rw_threshold); in mmc_davinci_irq()
919 status = readl(host->base + DAVINCI_MMCST0); in mmc_davinci_irq()
921 } while (host->bytes_left && in mmc_davinci_irq()
930 writel(im_val, host->base + DAVINCI_MMCIM); in mmc_davinci_irq()
936 if ((host->do_dma == 0) && (host->bytes_left > 0)) { in mmc_davinci_irq()
940 davinci_fifo_data_trans(host, host->bytes_left); in mmc_davinci_irq()
945 dev_err(mmc_dev(host->mmc), in mmc_davinci_irq()
955 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_irq()
959 davinci_abort_data(host, data); in mmc_davinci_irq()
974 u32 temp = readb(host->base + DAVINCI_MMCDRSP); in mmc_davinci_irq()
979 dev_dbg(mmc_dev(host->mmc), "data %s %s error\n", in mmc_davinci_irq()
983 davinci_abort_data(host, data); in mmc_davinci_irq()
988 if (host->cmd) { in mmc_davinci_irq()
989 dev_dbg(mmc_dev(host->mmc), in mmc_davinci_irq()
991 host->cmd->opcode, qstatus); in mmc_davinci_irq()
992 host->cmd->error = -ETIMEDOUT; in mmc_davinci_irq()
995 davinci_abort_data(host, data); in mmc_davinci_irq()
1003 dev_dbg(mmc_dev(host->mmc), "Command CRC error\n"); in mmc_davinci_irq()
1004 if (host->cmd) { in mmc_davinci_irq()
1005 host->cmd->error = -EILSEQ; in mmc_davinci_irq()
1012 end_command = (int) host->cmd; in mmc_davinci_irq()
1016 mmc_davinci_cmd_done(host, host->cmd); in mmc_davinci_irq()
1018 mmc_davinci_xfer_done(host, data); in mmc_davinci_irq()
1046 struct mmc_davinci_host *host = mmc_priv(mmc); in mmc_davinci_enable_sdio_irq() local
1049 if (!(readl(host->base + DAVINCI_SDIOST0) & SDIOST0_DAT1_HI)) { in mmc_davinci_enable_sdio_irq()
1050 writel(SDIOIST_IOINT, host->base + DAVINCI_SDIOIST); in mmc_davinci_enable_sdio_irq()
1051 mmc_signal_sdio_irq(host->mmc); in mmc_davinci_enable_sdio_irq()
1053 host->sdio_int = true; in mmc_davinci_enable_sdio_irq()
1054 writel(readl(host->base + DAVINCI_SDIOIEN) | in mmc_davinci_enable_sdio_irq()
1055 SDIOIEN_IOINTEN, host->base + DAVINCI_SDIOIEN); in mmc_davinci_enable_sdio_irq()
1058 host->sdio_int = false; in mmc_davinci_enable_sdio_irq()
1059 writel(readl(host->base + DAVINCI_SDIOIEN) & ~SDIOIEN_IOINTEN, in mmc_davinci_enable_sdio_irq()
1060 host->base + DAVINCI_SDIOIEN); in mmc_davinci_enable_sdio_irq()
1078 struct mmc_davinci_host *host; in mmc_davinci_cpufreq_transition() local
1083 host = container_of(nb, struct mmc_davinci_host, freq_transition); in mmc_davinci_cpufreq_transition()
1084 mmc = host->mmc; in mmc_davinci_cpufreq_transition()
1085 mmc_pclk = clk_get_rate(host->clk); in mmc_davinci_cpufreq_transition()
1089 host->mmc_input_clk = mmc_pclk; in mmc_davinci_cpufreq_transition()
1097 static inline int mmc_davinci_cpufreq_register(struct mmc_davinci_host *host) in mmc_davinci_cpufreq_register() argument
1099 host->freq_transition.notifier_call = mmc_davinci_cpufreq_transition; in mmc_davinci_cpufreq_register()
1101 return cpufreq_register_notifier(&host->freq_transition, in mmc_davinci_cpufreq_register()
1105 static inline void mmc_davinci_cpufreq_deregister(struct mmc_davinci_host *host) in mmc_davinci_cpufreq_deregister() argument
1107 cpufreq_unregister_notifier(&host->freq_transition, in mmc_davinci_cpufreq_deregister()
1111 static inline int mmc_davinci_cpufreq_register(struct mmc_davinci_host *host) in mmc_davinci_cpufreq_register() argument
1116 static inline void mmc_davinci_cpufreq_deregister(struct mmc_davinci_host *host) in mmc_davinci_cpufreq_deregister() argument
1120 static void __init init_mmcsd_host(struct mmc_davinci_host *host) in init_mmcsd_host() argument
1123 mmc_davinci_reset_ctrl(host, 1); in init_mmcsd_host()
1125 writel(0, host->base + DAVINCI_MMCCLK); in init_mmcsd_host()
1126 writel(MMCCLK_CLKEN, host->base + DAVINCI_MMCCLK); in init_mmcsd_host()
1128 writel(0x1FFF, host->base + DAVINCI_MMCTOR); in init_mmcsd_host()
1129 writel(0xFFFF, host->base + DAVINCI_MMCTOD); in init_mmcsd_host()
1131 mmc_davinci_reset_ctrl(host, 0); in init_mmcsd_host()
1163 struct mmc_davinci_host *host; in mmc_davinci_parse_pdata() local
1169 host = mmc_priv(mmc); in mmc_davinci_parse_pdata()
1170 if (!host) in mmc_davinci_parse_pdata()
1174 host->nr_sg = pdata->nr_sg - 1; in mmc_davinci_parse_pdata()
1206 struct mmc_davinci_host *host = NULL; in davinci_mmcsd_probe() local
1230 host = mmc_priv(mmc); in davinci_mmcsd_probe()
1231 host->mmc = mmc; /* Important */ in davinci_mmcsd_probe()
1233 host->mem_res = mem; in davinci_mmcsd_probe()
1234 host->base = devm_ioremap(&pdev->dev, mem->start, mem_size); in davinci_mmcsd_probe()
1235 if (!host->base) { in davinci_mmcsd_probe()
1240 host->clk = devm_clk_get(&pdev->dev, NULL); in davinci_mmcsd_probe()
1241 if (IS_ERR(host->clk)) { in davinci_mmcsd_probe()
1242 ret = PTR_ERR(host->clk); in davinci_mmcsd_probe()
1245 ret = clk_prepare_enable(host->clk); in davinci_mmcsd_probe()
1249 host->mmc_input_clk = clk_get_rate(host->clk); in davinci_mmcsd_probe()
1269 if (host->nr_sg > MAX_NR_SG || !host->nr_sg) in davinci_mmcsd_probe()
1270 host->nr_sg = MAX_NR_SG; in davinci_mmcsd_probe()
1272 init_mmcsd_host(host); in davinci_mmcsd_probe()
1274 host->use_dma = use_dma; in davinci_mmcsd_probe()
1275 host->mmc_irq = irq; in davinci_mmcsd_probe()
1276 host->sdio_irq = platform_get_irq(pdev, 1); in davinci_mmcsd_probe()
1278 if (host->use_dma) { in davinci_mmcsd_probe()
1279 ret = davinci_acquire_dma_channels(host); in davinci_mmcsd_probe()
1283 host->use_dma = 0; in davinci_mmcsd_probe()
1290 host->version = id_entry->driver_data; in davinci_mmcsd_probe()
1309 dev_dbg(mmc_dev(host->mmc), "max_segs=%d\n", mmc->max_segs); in davinci_mmcsd_probe()
1310 dev_dbg(mmc_dev(host->mmc), "max_blk_size=%d\n", mmc->max_blk_size); in davinci_mmcsd_probe()
1311 dev_dbg(mmc_dev(host->mmc), "max_req_size=%d\n", mmc->max_req_size); in davinci_mmcsd_probe()
1312 dev_dbg(mmc_dev(host->mmc), "max_seg_size=%d\n", mmc->max_seg_size); in davinci_mmcsd_probe()
1314 platform_set_drvdata(pdev, host); in davinci_mmcsd_probe()
1316 ret = mmc_davinci_cpufreq_register(host); in davinci_mmcsd_probe()
1327 mmc_hostname(mmc), host); in davinci_mmcsd_probe()
1331 if (host->sdio_irq >= 0) { in davinci_mmcsd_probe()
1332 ret = devm_request_irq(&pdev->dev, host->sdio_irq, in davinci_mmcsd_probe()
1334 mmc_hostname(mmc), host); in davinci_mmcsd_probe()
1341 dev_info(mmc_dev(host->mmc), "Using %s, %d-bit mode\n", in davinci_mmcsd_probe()
1342 host->use_dma ? "DMA" : "PIO", in davinci_mmcsd_probe()
1350 mmc_davinci_cpufreq_deregister(host); in davinci_mmcsd_probe()
1352 davinci_release_dma_channels(host); in davinci_mmcsd_probe()
1355 clk_disable_unprepare(host->clk); in davinci_mmcsd_probe()
1366 struct mmc_davinci_host *host = platform_get_drvdata(pdev); in davinci_mmcsd_remove() local
1368 mmc_remove_host(host->mmc); in davinci_mmcsd_remove()
1369 mmc_davinci_cpufreq_deregister(host); in davinci_mmcsd_remove()
1370 davinci_release_dma_channels(host); in davinci_mmcsd_remove()
1371 clk_disable_unprepare(host->clk); in davinci_mmcsd_remove()
1372 mmc_free_host(host->mmc); in davinci_mmcsd_remove()
1380 struct mmc_davinci_host *host = dev_get_drvdata(dev); in davinci_mmcsd_suspend() local
1382 writel(0, host->base + DAVINCI_MMCIM); in davinci_mmcsd_suspend()
1383 mmc_davinci_reset_ctrl(host, 1); in davinci_mmcsd_suspend()
1384 clk_disable(host->clk); in davinci_mmcsd_suspend()
1391 struct mmc_davinci_host *host = dev_get_drvdata(dev); in davinci_mmcsd_resume() local
1393 clk_enable(host->clk); in davinci_mmcsd_resume()
1394 mmc_davinci_reset_ctrl(host, 0); in davinci_mmcsd_resume()