Lines Matching refs:host
363 static void msdc_reset_hw(struct msdc_host *host) in msdc_reset_hw() argument
367 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_RST); in msdc_reset_hw()
368 while (readl(host->base + MSDC_CFG) & MSDC_CFG_RST) in msdc_reset_hw()
371 sdr_set_bits(host->base + MSDC_FIFOCS, MSDC_FIFOCS_CLR); in msdc_reset_hw()
372 while (readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_CLR) in msdc_reset_hw()
375 val = readl(host->base + MSDC_INT); in msdc_reset_hw()
376 writel(val, host->base + MSDC_INT); in msdc_reset_hw()
379 static void msdc_cmd_next(struct msdc_host *host,
398 static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, in msdc_dma_setup() argument
442 sdr_set_field(host->base + MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, 1); in msdc_dma_setup()
443 dma_ctrl = readl_relaxed(host->base + MSDC_DMA_CTRL); in msdc_dma_setup()
446 writel_relaxed(dma_ctrl, host->base + MSDC_DMA_CTRL); in msdc_dma_setup()
447 writel((u32)dma->gpd_addr, host->base + MSDC_DMA_SA); in msdc_dma_setup()
450 static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq) in msdc_prepare_data() argument
458 data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len, in msdc_prepare_data()
463 static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq) in msdc_unprepare_data() argument
473 dma_unmap_sg(host->dev, data->sg, data->sg_len, in msdc_unprepare_data()
480 static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) in msdc_set_timeout() argument
485 host->timeout_ns = ns; in msdc_set_timeout()
486 host->timeout_clks = clks; in msdc_set_timeout()
487 if (host->sclk == 0) { in msdc_set_timeout()
490 clk_ns = 1000000000UL / host->sclk; in msdc_set_timeout()
494 sdr_get_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD, &mode); in msdc_set_timeout()
500 sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout); in msdc_set_timeout()
503 static void msdc_gate_clock(struct msdc_host *host) in msdc_gate_clock() argument
505 clk_disable_unprepare(host->src_clk); in msdc_gate_clock()
506 clk_disable_unprepare(host->h_clk); in msdc_gate_clock()
509 static void msdc_ungate_clock(struct msdc_host *host) in msdc_ungate_clock() argument
511 clk_prepare_enable(host->h_clk); in msdc_ungate_clock()
512 clk_prepare_enable(host->src_clk); in msdc_ungate_clock()
513 while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) in msdc_ungate_clock()
517 static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) in msdc_set_mclk() argument
525 dev_dbg(host->dev, "set mclk to 0\n"); in msdc_set_mclk()
526 host->mclk = 0; in msdc_set_mclk()
527 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
531 flags = readl(host->base + MSDC_INTEN); in msdc_set_mclk()
532 sdr_clr_bits(host->base + MSDC_INTEN, flags); in msdc_set_mclk()
533 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_HS400_CK_MODE); in msdc_set_mclk()
542 if (hz >= (host->src_clk_freq >> 2)) { in msdc_set_mclk()
544 sclk = host->src_clk_freq >> 2; /* sclk = clk / 4 */ in msdc_set_mclk()
546 div = (host->src_clk_freq + ((hz << 2) - 1)) / (hz << 2); in msdc_set_mclk()
547 sclk = (host->src_clk_freq >> 2) / div; in msdc_set_mclk()
552 hz >= (host->src_clk_freq >> 1)) { in msdc_set_mclk()
553 sdr_set_bits(host->base + MSDC_CFG, in msdc_set_mclk()
555 sclk = host->src_clk_freq >> 1; in msdc_set_mclk()
558 } else if (hz >= host->src_clk_freq) { in msdc_set_mclk()
561 sclk = host->src_clk_freq; in msdc_set_mclk()
564 if (hz >= (host->src_clk_freq >> 1)) { in msdc_set_mclk()
566 sclk = host->src_clk_freq >> 1; /* sclk = clk / 2 */ in msdc_set_mclk()
568 div = (host->src_clk_freq + ((hz << 2) - 1)) / (hz << 2); in msdc_set_mclk()
569 sclk = (host->src_clk_freq >> 2) / div; in msdc_set_mclk()
572 sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD | MSDC_CFG_CKDIV, in msdc_set_mclk()
574 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
575 while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) in msdc_set_mclk()
577 host->sclk = sclk; in msdc_set_mclk()
578 host->mclk = hz; in msdc_set_mclk()
579 host->timing = timing; in msdc_set_mclk()
581 msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); in msdc_set_mclk()
582 sdr_set_bits(host->base + MSDC_INTEN, flags); in msdc_set_mclk()
584 dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->sclk, timing); in msdc_set_mclk()
587 static inline u32 msdc_cmd_find_resp(struct msdc_host *host, in msdc_cmd_find_resp() argument
615 static inline u32 msdc_cmd_prepare_raw_cmd(struct msdc_host *host, in msdc_cmd_prepare_raw_cmd() argument
623 u32 resp = msdc_cmd_find_resp(host, mrq, cmd); in msdc_cmd_prepare_raw_cmd()
626 host->cmd_rsp = resp; in msdc_cmd_prepare_raw_cmd()
644 if (mmc_card_mmc(host->mmc->card) && mrq->sbc && in msdc_cmd_prepare_raw_cmd()
657 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_PIO); in msdc_cmd_prepare_raw_cmd()
659 if (host->timeout_ns != data->timeout_ns || in msdc_cmd_prepare_raw_cmd()
660 host->timeout_clks != data->timeout_clks) in msdc_cmd_prepare_raw_cmd()
661 msdc_set_timeout(host, data->timeout_ns, in msdc_cmd_prepare_raw_cmd()
664 writel(data->blocks, host->base + SDC_BLK_NUM); in msdc_cmd_prepare_raw_cmd()
669 static void msdc_start_data(struct msdc_host *host, struct mmc_request *mrq, in msdc_start_data() argument
674 WARN_ON(host->data); in msdc_start_data()
675 host->data = data; in msdc_start_data()
678 mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT); in msdc_start_data()
679 msdc_dma_setup(host, &host->dma, data); in msdc_start_data()
680 sdr_set_bits(host->base + MSDC_INTEN, data_ints_mask); in msdc_start_data()
681 sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1); in msdc_start_data()
682 dev_dbg(host->dev, "DMA start\n"); in msdc_start_data()
683 dev_dbg(host->dev, "%s: cmd=%d DMA data: %d blocks; read=%d\n", in msdc_start_data()
687 static int msdc_auto_cmd_done(struct msdc_host *host, int events, in msdc_auto_cmd_done() argument
692 rsp[0] = readl(host->base + SDC_ACMD_RESP); in msdc_auto_cmd_done()
697 msdc_reset_hw(host); in msdc_auto_cmd_done()
700 host->error |= REQ_STOP_EIO; in msdc_auto_cmd_done()
703 host->error |= REQ_STOP_TMO; in msdc_auto_cmd_done()
705 dev_err(host->dev, in msdc_auto_cmd_done()
712 static void msdc_track_cmd_data(struct msdc_host *host, in msdc_track_cmd_data() argument
715 if (host->error) in msdc_track_cmd_data()
716 dev_dbg(host->dev, "%s: cmd=%d arg=%08X; host->error=0x%08X\n", in msdc_track_cmd_data()
717 __func__, cmd->opcode, cmd->arg, host->error); in msdc_track_cmd_data()
720 static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq) in msdc_request_done() argument
725 ret = cancel_delayed_work(&host->req_timeout); in msdc_request_done()
730 spin_lock_irqsave(&host->lock, flags); in msdc_request_done()
731 host->mrq = NULL; in msdc_request_done()
732 spin_unlock_irqrestore(&host->lock, flags); in msdc_request_done()
734 msdc_track_cmd_data(host, mrq->cmd, mrq->data); in msdc_request_done()
736 msdc_unprepare_data(host, mrq); in msdc_request_done()
737 mmc_request_done(host->mmc, mrq); in msdc_request_done()
739 pm_runtime_mark_last_busy(host->dev); in msdc_request_done()
740 pm_runtime_put_autosuspend(host->dev); in msdc_request_done()
744 static bool msdc_cmd_done(struct msdc_host *host, int events, in msdc_cmd_done() argument
755 msdc_auto_cmd_done(host, events, mrq->sbc); in msdc_cmd_done()
764 spin_lock_irqsave(&host->lock, flags); in msdc_cmd_done()
765 done = !host->cmd; in msdc_cmd_done()
766 host->cmd = NULL; in msdc_cmd_done()
767 spin_unlock_irqrestore(&host->lock, flags); in msdc_cmd_done()
772 sdr_clr_bits(host->base + MSDC_INTEN, cmd_ints_mask); in msdc_cmd_done()
776 rsp[0] = readl(host->base + SDC_RESP3); in msdc_cmd_done()
777 rsp[1] = readl(host->base + SDC_RESP2); in msdc_cmd_done()
778 rsp[2] = readl(host->base + SDC_RESP1); in msdc_cmd_done()
779 rsp[3] = readl(host->base + SDC_RESP0); in msdc_cmd_done()
781 rsp[0] = readl(host->base + SDC_RESP0); in msdc_cmd_done()
786 msdc_reset_hw(host); in msdc_cmd_done()
789 host->error |= REQ_CMD_EIO; in msdc_cmd_done()
792 host->error |= REQ_CMD_TMO; in msdc_cmd_done()
796 dev_dbg(host->dev, in msdc_cmd_done()
801 msdc_cmd_next(host, mrq, cmd); in msdc_cmd_done()
809 static inline bool msdc_cmd_is_ready(struct msdc_host *host, in msdc_cmd_is_ready() argument
815 while ((readl(host->base + SDC_STS) & SDC_STS_CMDBUSY) && in msdc_cmd_is_ready()
818 if (readl(host->base + SDC_STS) & SDC_STS_CMDBUSY) { in msdc_cmd_is_ready()
819 dev_err(host->dev, "CMD bus busy detected\n"); in msdc_cmd_is_ready()
820 host->error |= REQ_CMD_BUSY; in msdc_cmd_is_ready()
821 msdc_cmd_done(host, MSDC_INT_CMDTMO, mrq, cmd); in msdc_cmd_is_ready()
828 while ((readl(host->base + SDC_STS) & SDC_STS_SDCBUSY) && in msdc_cmd_is_ready()
831 if (readl(host->base + SDC_STS) & SDC_STS_SDCBUSY) { in msdc_cmd_is_ready()
832 dev_err(host->dev, "Controller busy detected\n"); in msdc_cmd_is_ready()
833 host->error |= REQ_CMD_BUSY; in msdc_cmd_is_ready()
834 msdc_cmd_done(host, MSDC_INT_CMDTMO, mrq, cmd); in msdc_cmd_is_ready()
841 static void msdc_start_command(struct msdc_host *host, in msdc_start_command() argument
846 WARN_ON(host->cmd); in msdc_start_command()
847 host->cmd = cmd; in msdc_start_command()
849 if (!msdc_cmd_is_ready(host, mrq, cmd)) in msdc_start_command()
852 if ((readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_TXCNT) >> 16 || in msdc_start_command()
853 readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_RXCNT) { in msdc_start_command()
854 dev_err(host->dev, "TX/RX FIFO non-empty before start of IO. Reset\n"); in msdc_start_command()
855 msdc_reset_hw(host); in msdc_start_command()
859 rawcmd = msdc_cmd_prepare_raw_cmd(host, mrq, cmd); in msdc_start_command()
860 mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT); in msdc_start_command()
862 sdr_set_bits(host->base + MSDC_INTEN, cmd_ints_mask); in msdc_start_command()
863 writel(cmd->arg, host->base + SDC_ARG); in msdc_start_command()
864 writel(rawcmd, host->base + SDC_CMD); in msdc_start_command()
867 static void msdc_cmd_next(struct msdc_host *host, in msdc_cmd_next() argument
871 msdc_request_done(host, mrq); in msdc_cmd_next()
873 msdc_start_command(host, mrq, mrq->cmd); in msdc_cmd_next()
875 msdc_request_done(host, mrq); in msdc_cmd_next()
877 msdc_start_data(host, mrq, cmd, cmd->data); in msdc_cmd_next()
882 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_request() local
884 host->error = 0; in msdc_ops_request()
885 WARN_ON(host->mrq); in msdc_ops_request()
886 host->mrq = mrq; in msdc_ops_request()
888 pm_runtime_get_sync(host->dev); in msdc_ops_request()
891 msdc_prepare_data(host, mrq); in msdc_ops_request()
899 msdc_start_command(host, mrq, mrq->sbc); in msdc_ops_request()
901 msdc_start_command(host, mrq, mrq->cmd); in msdc_ops_request()
907 struct msdc_host *host = mmc_priv(mmc); in msdc_pre_req() local
913 msdc_prepare_data(host, mrq); in msdc_pre_req()
920 struct msdc_host *host = mmc_priv(mmc); in msdc_post_req() local
928 msdc_unprepare_data(host, mrq); in msdc_post_req()
932 static void msdc_data_xfer_next(struct msdc_host *host, in msdc_data_xfer_next() argument
937 msdc_start_command(host, mrq, mrq->stop); in msdc_data_xfer_next()
939 msdc_request_done(host, mrq); in msdc_data_xfer_next()
942 static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, in msdc_data_xfer_done() argument
953 spin_lock_irqsave(&host->lock, flags); in msdc_data_xfer_done()
954 done = !host->data; in msdc_data_xfer_done()
956 host->data = NULL; in msdc_data_xfer_done()
957 spin_unlock_irqrestore(&host->lock, flags); in msdc_data_xfer_done()
963 dev_dbg(host->dev, "DMA status: 0x%8X\n", in msdc_data_xfer_done()
964 readl(host->base + MSDC_DMA_CFG)); in msdc_data_xfer_done()
965 sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, in msdc_data_xfer_done()
967 while (readl(host->base + MSDC_DMA_CFG) & MSDC_DMA_CFG_STS) in msdc_data_xfer_done()
969 sdr_clr_bits(host->base + MSDC_INTEN, data_ints_mask); in msdc_data_xfer_done()
970 dev_dbg(host->dev, "DMA stop\n"); in msdc_data_xfer_done()
975 dev_err(host->dev, "interrupt events: %x\n", events); in msdc_data_xfer_done()
976 msdc_reset_hw(host); in msdc_data_xfer_done()
977 host->error |= REQ_DAT_ERR; in msdc_data_xfer_done()
985 dev_err(host->dev, "%s: cmd=%d; blocks=%d", in msdc_data_xfer_done()
987 dev_err(host->dev, "data_error=%d xfer_size=%d\n", in msdc_data_xfer_done()
991 msdc_data_xfer_next(host, mrq, data); in msdc_data_xfer_done()
997 static void msdc_set_buswidth(struct msdc_host *host, u32 width) in msdc_set_buswidth() argument
999 u32 val = readl(host->base + SDC_CFG); in msdc_set_buswidth()
1016 writel(val, host->base + SDC_CFG); in msdc_set_buswidth()
1017 dev_dbg(host->dev, "Bus Width = %d", width); in msdc_set_buswidth()
1022 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_switch_volt() local
1034 dev_err(host->dev, "Unsupported signal voltage!\n"); in msdc_ops_switch_volt()
1040 dev_err(host->dev, in msdc_ops_switch_volt()
1046 pinctrl_select_state(host->pinctrl, host->pins_uhs); in msdc_ops_switch_volt()
1048 pinctrl_select_state(host->pinctrl, host->pins_default); in msdc_ops_switch_volt()
1056 struct msdc_host *host = mmc_priv(mmc); in msdc_card_busy() local
1057 u32 status = readl(host->base + MSDC_PS); in msdc_card_busy()
1068 struct msdc_host *host = container_of(work, struct msdc_host, in msdc_request_timeout() local
1072 dev_err(host->dev, "%s: aborting cmd/data/mrq\n", __func__); in msdc_request_timeout()
1073 if (host->mrq) { in msdc_request_timeout()
1074 dev_err(host->dev, "%s: aborting mrq=%p cmd=%d\n", __func__, in msdc_request_timeout()
1075 host->mrq, host->mrq->cmd->opcode); in msdc_request_timeout()
1076 if (host->cmd) { in msdc_request_timeout()
1077 dev_err(host->dev, "%s: aborting cmd=%d\n", in msdc_request_timeout()
1078 __func__, host->cmd->opcode); in msdc_request_timeout()
1079 msdc_cmd_done(host, MSDC_INT_CMDTMO, host->mrq, in msdc_request_timeout()
1080 host->cmd); in msdc_request_timeout()
1081 } else if (host->data) { in msdc_request_timeout()
1082 dev_err(host->dev, "%s: abort data: cmd%d; %d blocks\n", in msdc_request_timeout()
1083 __func__, host->mrq->cmd->opcode, in msdc_request_timeout()
1084 host->data->blocks); in msdc_request_timeout()
1085 msdc_data_xfer_done(host, MSDC_INT_DATTMO, host->mrq, in msdc_request_timeout()
1086 host->data); in msdc_request_timeout()
1093 struct msdc_host *host = (struct msdc_host *) dev_id; in msdc_irq() local
1102 spin_lock_irqsave(&host->lock, flags); in msdc_irq()
1103 events = readl(host->base + MSDC_INT); in msdc_irq()
1104 event_mask = readl(host->base + MSDC_INTEN); in msdc_irq()
1106 writel(events & event_mask, host->base + MSDC_INT); in msdc_irq()
1108 mrq = host->mrq; in msdc_irq()
1109 cmd = host->cmd; in msdc_irq()
1110 data = host->data; in msdc_irq()
1111 spin_unlock_irqrestore(&host->lock, flags); in msdc_irq()
1117 dev_err(host->dev, in msdc_irq()
1124 dev_dbg(host->dev, "%s: events=%08X\n", __func__, events); in msdc_irq()
1127 msdc_cmd_done(host, events, mrq, cmd); in msdc_irq()
1129 msdc_data_xfer_done(host, events, mrq, data); in msdc_irq()
1135 static void msdc_init_hw(struct msdc_host *host) in msdc_init_hw() argument
1140 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_MODE | MSDC_CFG_CKPDN); in msdc_init_hw()
1143 msdc_reset_hw(host); in msdc_init_hw()
1146 sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN); in msdc_init_hw()
1149 writel(0, host->base + MSDC_INTEN); in msdc_init_hw()
1150 val = readl(host->base + MSDC_INT); in msdc_init_hw()
1151 writel(val, host->base + MSDC_INT); in msdc_init_hw()
1153 writel(0, host->base + MSDC_PAD_TUNE); in msdc_init_hw()
1154 writel(0, host->base + MSDC_IOCON); in msdc_init_hw()
1155 sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 0); in msdc_init_hw()
1156 writel(0x403c0046, host->base + MSDC_PATCH_BIT); in msdc_init_hw()
1157 sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_CKGEN_MSDC_DLY_SEL, 1); in msdc_init_hw()
1158 writel(0xffff0089, host->base + MSDC_PATCH_BIT1); in msdc_init_hw()
1159 sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL); in msdc_init_hw()
1164 sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIO); in msdc_init_hw()
1167 sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE); in msdc_init_hw()
1170 sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3); in msdc_init_hw()
1172 dev_dbg(host->dev, "init hardware done!"); in msdc_init_hw()
1175 static void msdc_deinit_hw(struct msdc_host *host) in msdc_deinit_hw() argument
1179 writel(0, host->base + MSDC_INTEN); in msdc_deinit_hw()
1181 val = readl(host->base + MSDC_INT); in msdc_deinit_hw()
1182 writel(val, host->base + MSDC_INT); in msdc_deinit_hw()
1186 static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma) in msdc_init_gpd_bd() argument
1207 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_set_ios() local
1210 pm_runtime_get_sync(host->dev); in msdc_ops_set_ios()
1212 msdc_set_buswidth(host, ios->bus_width); in msdc_ops_set_ios()
1218 msdc_init_hw(host); in msdc_ops_set_ios()
1222 dev_err(host->dev, "Failed to set vmmc power!\n"); in msdc_ops_set_ios()
1228 if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) { in msdc_ops_set_ios()
1231 dev_err(host->dev, "Failed to set vqmmc power!\n"); in msdc_ops_set_ios()
1233 host->vqmmc_enabled = true; in msdc_ops_set_ios()
1240 if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) { in msdc_ops_set_ios()
1242 host->vqmmc_enabled = false; in msdc_ops_set_ios()
1249 if (host->mclk != ios->clock || host->timing != ios->timing) in msdc_ops_set_ios()
1250 msdc_set_mclk(host, ios->timing, ios->clock); in msdc_ops_set_ios()
1253 pm_runtime_mark_last_busy(host->dev); in msdc_ops_set_ios()
1254 pm_runtime_put_autosuspend(host->dev); in msdc_ops_set_ios()
1274 static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay) in get_best_delay() argument
1282 dev_err(host->dev, "phase error: [map:%x]\n", delay); in get_best_delay()
1303 dev_info(host->dev, "phase: [map:%x] [maxlen:%d] [final:%d]\n", in get_best_delay()
1314 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_response() local
1321 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1323 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_response()
1330 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1332 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_response()
1339 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_response()
1340 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_response()
1344 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1345 sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRDLY, in msdc_tune_response()
1349 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1350 sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRDLY, in msdc_tune_response()
1360 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_data() local
1366 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1367 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1369 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1376 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1377 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1379 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1386 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_data()
1387 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_data()
1394 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1395 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1396 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1401 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1402 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1403 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1414 struct msdc_host *host = mmc_priv(mmc); in msdc_execute_tuning() local
1417 pm_runtime_get_sync(host->dev); in msdc_execute_tuning()
1420 dev_err(host->dev, "Tune response fail!\n"); in msdc_execute_tuning()
1425 dev_err(host->dev, "Tune data fail!\n"); in msdc_execute_tuning()
1428 pm_runtime_mark_last_busy(host->dev); in msdc_execute_tuning()
1429 pm_runtime_put_autosuspend(host->dev); in msdc_execute_tuning()
1435 struct msdc_host *host = mmc_priv(mmc); in msdc_prepare_hs400_tuning() local
1437 writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE); in msdc_prepare_hs400_tuning()
1443 struct msdc_host *host = mmc_priv(mmc); in msdc_hw_reset() local
1445 sdr_set_bits(host->base + EMMC_IOCON, 1); in msdc_hw_reset()
1447 sdr_clr_bits(host->base + EMMC_IOCON, 1); in msdc_hw_reset()
1465 struct msdc_host *host; in msdc_drv_probe() local
1478 host = mmc_priv(mmc); in msdc_drv_probe()
1484 host->base = devm_ioremap_resource(&pdev->dev, res); in msdc_drv_probe()
1485 if (IS_ERR(host->base)) { in msdc_drv_probe()
1486 ret = PTR_ERR(host->base); in msdc_drv_probe()
1494 host->src_clk = devm_clk_get(&pdev->dev, "source"); in msdc_drv_probe()
1495 if (IS_ERR(host->src_clk)) { in msdc_drv_probe()
1496 ret = PTR_ERR(host->src_clk); in msdc_drv_probe()
1500 host->h_clk = devm_clk_get(&pdev->dev, "hclk"); in msdc_drv_probe()
1501 if (IS_ERR(host->h_clk)) { in msdc_drv_probe()
1502 ret = PTR_ERR(host->h_clk); in msdc_drv_probe()
1506 host->irq = platform_get_irq(pdev, 0); in msdc_drv_probe()
1507 if (host->irq < 0) { in msdc_drv_probe()
1512 host->pinctrl = devm_pinctrl_get(&pdev->dev); in msdc_drv_probe()
1513 if (IS_ERR(host->pinctrl)) { in msdc_drv_probe()
1514 ret = PTR_ERR(host->pinctrl); in msdc_drv_probe()
1519 host->pins_default = pinctrl_lookup_state(host->pinctrl, "default"); in msdc_drv_probe()
1520 if (IS_ERR(host->pins_default)) { in msdc_drv_probe()
1521 ret = PTR_ERR(host->pins_default); in msdc_drv_probe()
1526 host->pins_uhs = pinctrl_lookup_state(host->pinctrl, "state_uhs"); in msdc_drv_probe()
1527 if (IS_ERR(host->pins_uhs)) { in msdc_drv_probe()
1528 ret = PTR_ERR(host->pins_uhs); in msdc_drv_probe()
1534 &host->hs400_ds_delay)) in msdc_drv_probe()
1536 host->hs400_ds_delay); in msdc_drv_probe()
1538 host->dev = &pdev->dev; in msdc_drv_probe()
1539 host->mmc = mmc; in msdc_drv_probe()
1540 host->src_clk_freq = clk_get_rate(host->src_clk); in msdc_drv_probe()
1543 mmc->f_min = host->src_clk_freq / (4 * 255); in msdc_drv_probe()
1553 host->dma_mask = DMA_BIT_MASK(32); in msdc_drv_probe()
1554 mmc_dev(mmc)->dma_mask = &host->dma_mask; in msdc_drv_probe()
1556 host->timeout_clks = 3 * 1048576; in msdc_drv_probe()
1557 host->dma.gpd = dma_alloc_coherent(&pdev->dev, in msdc_drv_probe()
1559 &host->dma.gpd_addr, GFP_KERNEL); in msdc_drv_probe()
1560 host->dma.bd = dma_alloc_coherent(&pdev->dev, in msdc_drv_probe()
1562 &host->dma.bd_addr, GFP_KERNEL); in msdc_drv_probe()
1563 if (!host->dma.gpd || !host->dma.bd) { in msdc_drv_probe()
1567 msdc_init_gpd_bd(host, &host->dma); in msdc_drv_probe()
1568 INIT_DELAYED_WORK(&host->req_timeout, msdc_request_timeout); in msdc_drv_probe()
1569 spin_lock_init(&host->lock); in msdc_drv_probe()
1572 msdc_ungate_clock(host); in msdc_drv_probe()
1573 msdc_init_hw(host); in msdc_drv_probe()
1575 ret = devm_request_irq(&pdev->dev, host->irq, msdc_irq, in msdc_drv_probe()
1576 IRQF_TRIGGER_LOW | IRQF_ONESHOT, pdev->name, host); in msdc_drv_probe()
1580 pm_runtime_set_active(host->dev); in msdc_drv_probe()
1581 pm_runtime_set_autosuspend_delay(host->dev, MTK_MMC_AUTOSUSPEND_DELAY); in msdc_drv_probe()
1582 pm_runtime_use_autosuspend(host->dev); in msdc_drv_probe()
1583 pm_runtime_enable(host->dev); in msdc_drv_probe()
1591 pm_runtime_disable(host->dev); in msdc_drv_probe()
1594 msdc_deinit_hw(host); in msdc_drv_probe()
1595 msdc_gate_clock(host); in msdc_drv_probe()
1597 if (host->dma.gpd) in msdc_drv_probe()
1600 host->dma.gpd, host->dma.gpd_addr); in msdc_drv_probe()
1601 if (host->dma.bd) in msdc_drv_probe()
1604 host->dma.bd, host->dma.bd_addr); in msdc_drv_probe()
1614 struct msdc_host *host; in msdc_drv_remove() local
1617 host = mmc_priv(mmc); in msdc_drv_remove()
1619 pm_runtime_get_sync(host->dev); in msdc_drv_remove()
1622 mmc_remove_host(host->mmc); in msdc_drv_remove()
1623 msdc_deinit_hw(host); in msdc_drv_remove()
1624 msdc_gate_clock(host); in msdc_drv_remove()
1626 pm_runtime_disable(host->dev); in msdc_drv_remove()
1627 pm_runtime_put_noidle(host->dev); in msdc_drv_remove()
1630 host->dma.gpd, host->dma.gpd_addr); in msdc_drv_remove()
1632 host->dma.bd, host->dma.bd_addr); in msdc_drv_remove()
1634 mmc_free_host(host->mmc); in msdc_drv_remove()
1640 static void msdc_save_reg(struct msdc_host *host) in msdc_save_reg() argument
1642 host->save_para.msdc_cfg = readl(host->base + MSDC_CFG); in msdc_save_reg()
1643 host->save_para.iocon = readl(host->base + MSDC_IOCON); in msdc_save_reg()
1644 host->save_para.sdc_cfg = readl(host->base + SDC_CFG); in msdc_save_reg()
1645 host->save_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); in msdc_save_reg()
1646 host->save_para.patch_bit0 = readl(host->base + MSDC_PATCH_BIT); in msdc_save_reg()
1647 host->save_para.patch_bit1 = readl(host->base + MSDC_PATCH_BIT1); in msdc_save_reg()
1648 host->save_para.pad_ds_tune = readl(host->base + PAD_DS_TUNE); in msdc_save_reg()
1649 host->save_para.emmc50_cfg0 = readl(host->base + EMMC50_CFG0); in msdc_save_reg()
1652 static void msdc_restore_reg(struct msdc_host *host) in msdc_restore_reg() argument
1654 writel(host->save_para.msdc_cfg, host->base + MSDC_CFG); in msdc_restore_reg()
1655 writel(host->save_para.iocon, host->base + MSDC_IOCON); in msdc_restore_reg()
1656 writel(host->save_para.sdc_cfg, host->base + SDC_CFG); in msdc_restore_reg()
1657 writel(host->save_para.pad_tune, host->base + MSDC_PAD_TUNE); in msdc_restore_reg()
1658 writel(host->save_para.patch_bit0, host->base + MSDC_PATCH_BIT); in msdc_restore_reg()
1659 writel(host->save_para.patch_bit1, host->base + MSDC_PATCH_BIT1); in msdc_restore_reg()
1660 writel(host->save_para.pad_ds_tune, host->base + PAD_DS_TUNE); in msdc_restore_reg()
1661 writel(host->save_para.emmc50_cfg0, host->base + EMMC50_CFG0); in msdc_restore_reg()
1667 struct msdc_host *host = mmc_priv(mmc); in msdc_runtime_suspend() local
1669 msdc_save_reg(host); in msdc_runtime_suspend()
1670 msdc_gate_clock(host); in msdc_runtime_suspend()
1677 struct msdc_host *host = mmc_priv(mmc); in msdc_runtime_resume() local
1679 msdc_ungate_clock(host); in msdc_runtime_resume()
1680 msdc_restore_reg(host); in msdc_runtime_resume()