Lines Matching refs:host
372 static void msdc_reset_hw(struct msdc_host *host) in msdc_reset_hw() argument
376 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_RST); in msdc_reset_hw()
377 while (readl(host->base + MSDC_CFG) & MSDC_CFG_RST) in msdc_reset_hw()
380 sdr_set_bits(host->base + MSDC_FIFOCS, MSDC_FIFOCS_CLR); in msdc_reset_hw()
381 while (readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_CLR) in msdc_reset_hw()
384 val = readl(host->base + MSDC_INT); in msdc_reset_hw()
385 writel(val, host->base + MSDC_INT); in msdc_reset_hw()
388 static void msdc_cmd_next(struct msdc_host *host,
407 static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, in msdc_dma_setup() argument
451 sdr_set_field(host->base + MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, 1); in msdc_dma_setup()
452 dma_ctrl = readl_relaxed(host->base + MSDC_DMA_CTRL); in msdc_dma_setup()
455 writel_relaxed(dma_ctrl, host->base + MSDC_DMA_CTRL); in msdc_dma_setup()
456 writel((u32)dma->gpd_addr, host->base + MSDC_DMA_SA); in msdc_dma_setup()
459 static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq) in msdc_prepare_data() argument
467 data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len, in msdc_prepare_data()
472 static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq) in msdc_unprepare_data() argument
482 dma_unmap_sg(host->dev, data->sg, data->sg_len, in msdc_unprepare_data()
489 static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) in msdc_set_timeout() argument
494 host->timeout_ns = ns; in msdc_set_timeout()
495 host->timeout_clks = clks; in msdc_set_timeout()
496 if (host->sclk == 0) { in msdc_set_timeout()
499 clk_ns = 1000000000UL / host->sclk; in msdc_set_timeout()
503 sdr_get_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD, &mode); in msdc_set_timeout()
509 sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout); in msdc_set_timeout()
512 static void msdc_gate_clock(struct msdc_host *host) in msdc_gate_clock() argument
514 clk_disable_unprepare(host->src_clk); in msdc_gate_clock()
515 clk_disable_unprepare(host->h_clk); in msdc_gate_clock()
518 static void msdc_ungate_clock(struct msdc_host *host) in msdc_ungate_clock() argument
520 clk_prepare_enable(host->h_clk); in msdc_ungate_clock()
521 clk_prepare_enable(host->src_clk); in msdc_ungate_clock()
522 while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) in msdc_ungate_clock()
526 static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) in msdc_set_mclk() argument
534 dev_dbg(host->dev, "set mclk to 0\n"); in msdc_set_mclk()
535 host->mclk = 0; in msdc_set_mclk()
536 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
540 flags = readl(host->base + MSDC_INTEN); in msdc_set_mclk()
541 sdr_clr_bits(host->base + MSDC_INTEN, flags); in msdc_set_mclk()
542 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_HS400_CK_MODE); in msdc_set_mclk()
551 if (hz >= (host->src_clk_freq >> 2)) { in msdc_set_mclk()
553 sclk = host->src_clk_freq >> 2; /* sclk = clk / 4 */ in msdc_set_mclk()
555 div = (host->src_clk_freq + ((hz << 2) - 1)) / (hz << 2); in msdc_set_mclk()
556 sclk = (host->src_clk_freq >> 2) / div; in msdc_set_mclk()
561 hz >= (host->src_clk_freq >> 1)) { in msdc_set_mclk()
562 sdr_set_bits(host->base + MSDC_CFG, in msdc_set_mclk()
564 sclk = host->src_clk_freq >> 1; in msdc_set_mclk()
567 } else if (hz >= host->src_clk_freq) { in msdc_set_mclk()
570 sclk = host->src_clk_freq; in msdc_set_mclk()
573 if (hz >= (host->src_clk_freq >> 1)) { in msdc_set_mclk()
575 sclk = host->src_clk_freq >> 1; /* sclk = clk / 2 */ in msdc_set_mclk()
577 div = (host->src_clk_freq + ((hz << 2) - 1)) / (hz << 2); in msdc_set_mclk()
578 sclk = (host->src_clk_freq >> 2) / div; in msdc_set_mclk()
581 sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD | MSDC_CFG_CKDIV, in msdc_set_mclk()
583 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
584 while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) in msdc_set_mclk()
586 host->sclk = sclk; in msdc_set_mclk()
587 host->mclk = hz; in msdc_set_mclk()
588 host->timing = timing; in msdc_set_mclk()
590 msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); in msdc_set_mclk()
591 sdr_set_bits(host->base + MSDC_INTEN, flags); in msdc_set_mclk()
597 if (host->sclk <= 52000000) { in msdc_set_mclk()
598 writel(host->def_tune_para.iocon, host->base + MSDC_IOCON); in msdc_set_mclk()
599 writel(host->def_tune_para.pad_tune, host->base + MSDC_PAD_TUNE); in msdc_set_mclk()
601 writel(host->saved_tune_para.iocon, host->base + MSDC_IOCON); in msdc_set_mclk()
602 writel(host->saved_tune_para.pad_tune, host->base + MSDC_PAD_TUNE); in msdc_set_mclk()
605 dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->sclk, timing); in msdc_set_mclk()
608 static inline u32 msdc_cmd_find_resp(struct msdc_host *host, in msdc_cmd_find_resp() argument
636 static inline u32 msdc_cmd_prepare_raw_cmd(struct msdc_host *host, in msdc_cmd_prepare_raw_cmd() argument
644 u32 resp = msdc_cmd_find_resp(host, mrq, cmd); in msdc_cmd_prepare_raw_cmd()
647 host->cmd_rsp = resp; in msdc_cmd_prepare_raw_cmd()
665 if (mmc_card_mmc(host->mmc->card) && mrq->sbc && in msdc_cmd_prepare_raw_cmd()
678 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_PIO); in msdc_cmd_prepare_raw_cmd()
680 if (host->timeout_ns != data->timeout_ns || in msdc_cmd_prepare_raw_cmd()
681 host->timeout_clks != data->timeout_clks) in msdc_cmd_prepare_raw_cmd()
682 msdc_set_timeout(host, data->timeout_ns, in msdc_cmd_prepare_raw_cmd()
685 writel(data->blocks, host->base + SDC_BLK_NUM); in msdc_cmd_prepare_raw_cmd()
690 static void msdc_start_data(struct msdc_host *host, struct mmc_request *mrq, in msdc_start_data() argument
695 WARN_ON(host->data); in msdc_start_data()
696 host->data = data; in msdc_start_data()
699 mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT); in msdc_start_data()
700 msdc_dma_setup(host, &host->dma, data); in msdc_start_data()
701 sdr_set_bits(host->base + MSDC_INTEN, data_ints_mask); in msdc_start_data()
702 sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1); in msdc_start_data()
703 dev_dbg(host->dev, "DMA start\n"); in msdc_start_data()
704 dev_dbg(host->dev, "%s: cmd=%d DMA data: %d blocks; read=%d\n", in msdc_start_data()
708 static int msdc_auto_cmd_done(struct msdc_host *host, int events, in msdc_auto_cmd_done() argument
713 rsp[0] = readl(host->base + SDC_ACMD_RESP); in msdc_auto_cmd_done()
718 msdc_reset_hw(host); in msdc_auto_cmd_done()
721 host->error |= REQ_STOP_EIO; in msdc_auto_cmd_done()
724 host->error |= REQ_STOP_TMO; in msdc_auto_cmd_done()
726 dev_err(host->dev, in msdc_auto_cmd_done()
733 static void msdc_track_cmd_data(struct msdc_host *host, in msdc_track_cmd_data() argument
736 if (host->error) in msdc_track_cmd_data()
737 dev_dbg(host->dev, "%s: cmd=%d arg=%08X; host->error=0x%08X\n", in msdc_track_cmd_data()
738 __func__, cmd->opcode, cmd->arg, host->error); in msdc_track_cmd_data()
741 static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq) in msdc_request_done() argument
746 ret = cancel_delayed_work(&host->req_timeout); in msdc_request_done()
751 spin_lock_irqsave(&host->lock, flags); in msdc_request_done()
752 host->mrq = NULL; in msdc_request_done()
753 spin_unlock_irqrestore(&host->lock, flags); in msdc_request_done()
755 msdc_track_cmd_data(host, mrq->cmd, mrq->data); in msdc_request_done()
757 msdc_unprepare_data(host, mrq); in msdc_request_done()
758 mmc_request_done(host->mmc, mrq); in msdc_request_done()
762 static bool msdc_cmd_done(struct msdc_host *host, int events, in msdc_cmd_done() argument
773 msdc_auto_cmd_done(host, events, mrq->sbc); in msdc_cmd_done()
782 spin_lock_irqsave(&host->lock, flags); in msdc_cmd_done()
783 done = !host->cmd; in msdc_cmd_done()
784 host->cmd = NULL; in msdc_cmd_done()
785 spin_unlock_irqrestore(&host->lock, flags); in msdc_cmd_done()
790 sdr_clr_bits(host->base + MSDC_INTEN, cmd_ints_mask); in msdc_cmd_done()
794 rsp[0] = readl(host->base + SDC_RESP3); in msdc_cmd_done()
795 rsp[1] = readl(host->base + SDC_RESP2); in msdc_cmd_done()
796 rsp[2] = readl(host->base + SDC_RESP1); in msdc_cmd_done()
797 rsp[3] = readl(host->base + SDC_RESP0); in msdc_cmd_done()
799 rsp[0] = readl(host->base + SDC_RESP0); in msdc_cmd_done()
810 msdc_reset_hw(host); in msdc_cmd_done()
813 host->error |= REQ_CMD_EIO; in msdc_cmd_done()
816 host->error |= REQ_CMD_TMO; in msdc_cmd_done()
820 dev_dbg(host->dev, in msdc_cmd_done()
825 msdc_cmd_next(host, mrq, cmd); in msdc_cmd_done()
833 static inline bool msdc_cmd_is_ready(struct msdc_host *host, in msdc_cmd_is_ready() argument
839 while ((readl(host->base + SDC_STS) & SDC_STS_CMDBUSY) && in msdc_cmd_is_ready()
842 if (readl(host->base + SDC_STS) & SDC_STS_CMDBUSY) { in msdc_cmd_is_ready()
843 dev_err(host->dev, "CMD bus busy detected\n"); in msdc_cmd_is_ready()
844 host->error |= REQ_CMD_BUSY; in msdc_cmd_is_ready()
845 msdc_cmd_done(host, MSDC_INT_CMDTMO, mrq, cmd); in msdc_cmd_is_ready()
852 while ((readl(host->base + SDC_STS) & SDC_STS_SDCBUSY) && in msdc_cmd_is_ready()
855 if (readl(host->base + SDC_STS) & SDC_STS_SDCBUSY) { in msdc_cmd_is_ready()
856 dev_err(host->dev, "Controller busy detected\n"); in msdc_cmd_is_ready()
857 host->error |= REQ_CMD_BUSY; in msdc_cmd_is_ready()
858 msdc_cmd_done(host, MSDC_INT_CMDTMO, mrq, cmd); in msdc_cmd_is_ready()
865 static void msdc_start_command(struct msdc_host *host, in msdc_start_command() argument
870 WARN_ON(host->cmd); in msdc_start_command()
871 host->cmd = cmd; in msdc_start_command()
873 if (!msdc_cmd_is_ready(host, mrq, cmd)) in msdc_start_command()
876 if ((readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_TXCNT) >> 16 || in msdc_start_command()
877 readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_RXCNT) { in msdc_start_command()
878 dev_err(host->dev, "TX/RX FIFO non-empty before start of IO. Reset\n"); in msdc_start_command()
879 msdc_reset_hw(host); in msdc_start_command()
883 rawcmd = msdc_cmd_prepare_raw_cmd(host, mrq, cmd); in msdc_start_command()
884 mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT); in msdc_start_command()
886 sdr_set_bits(host->base + MSDC_INTEN, cmd_ints_mask); in msdc_start_command()
887 writel(cmd->arg, host->base + SDC_ARG); in msdc_start_command()
888 writel(rawcmd, host->base + SDC_CMD); in msdc_start_command()
891 static void msdc_cmd_next(struct msdc_host *host, in msdc_cmd_next() argument
899 msdc_request_done(host, mrq); in msdc_cmd_next()
901 msdc_start_command(host, mrq, mrq->cmd); in msdc_cmd_next()
903 msdc_request_done(host, mrq); in msdc_cmd_next()
905 msdc_start_data(host, mrq, cmd, cmd->data); in msdc_cmd_next()
910 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_request() local
912 host->error = 0; in msdc_ops_request()
913 WARN_ON(host->mrq); in msdc_ops_request()
914 host->mrq = mrq; in msdc_ops_request()
917 msdc_prepare_data(host, mrq); in msdc_ops_request()
925 msdc_start_command(host, mrq, mrq->sbc); in msdc_ops_request()
927 msdc_start_command(host, mrq, mrq->cmd); in msdc_ops_request()
933 struct msdc_host *host = mmc_priv(mmc); in msdc_pre_req() local
939 msdc_prepare_data(host, mrq); in msdc_pre_req()
946 struct msdc_host *host = mmc_priv(mmc); in msdc_post_req() local
954 msdc_unprepare_data(host, mrq); in msdc_post_req()
958 static void msdc_data_xfer_next(struct msdc_host *host, in msdc_data_xfer_next() argument
963 msdc_start_command(host, mrq, mrq->stop); in msdc_data_xfer_next()
965 msdc_request_done(host, mrq); in msdc_data_xfer_next()
968 static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, in msdc_data_xfer_done() argument
979 spin_lock_irqsave(&host->lock, flags); in msdc_data_xfer_done()
980 done = !host->data; in msdc_data_xfer_done()
982 host->data = NULL; in msdc_data_xfer_done()
983 spin_unlock_irqrestore(&host->lock, flags); in msdc_data_xfer_done()
989 dev_dbg(host->dev, "DMA status: 0x%8X\n", in msdc_data_xfer_done()
990 readl(host->base + MSDC_DMA_CFG)); in msdc_data_xfer_done()
991 sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, in msdc_data_xfer_done()
993 while (readl(host->base + MSDC_DMA_CFG) & MSDC_DMA_CFG_STS) in msdc_data_xfer_done()
995 sdr_clr_bits(host->base + MSDC_INTEN, data_ints_mask); in msdc_data_xfer_done()
996 dev_dbg(host->dev, "DMA stop\n"); in msdc_data_xfer_done()
1001 dev_dbg(host->dev, "interrupt events: %x\n", events); in msdc_data_xfer_done()
1002 msdc_reset_hw(host); in msdc_data_xfer_done()
1003 host->error |= REQ_DAT_ERR; in msdc_data_xfer_done()
1011 dev_dbg(host->dev, "%s: cmd=%d; blocks=%d", in msdc_data_xfer_done()
1013 dev_dbg(host->dev, "data_error=%d xfer_size=%d\n", in msdc_data_xfer_done()
1017 msdc_data_xfer_next(host, mrq, data); in msdc_data_xfer_done()
1023 static void msdc_set_buswidth(struct msdc_host *host, u32 width) in msdc_set_buswidth() argument
1025 u32 val = readl(host->base + SDC_CFG); in msdc_set_buswidth()
1042 writel(val, host->base + SDC_CFG); in msdc_set_buswidth()
1043 dev_dbg(host->dev, "Bus Width = %d", width); in msdc_set_buswidth()
1048 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_switch_volt() local
1054 dev_err(host->dev, "Unsupported signal voltage!\n"); in msdc_ops_switch_volt()
1060 dev_dbg(host->dev, "Regulator set error %d (%d)\n", in msdc_ops_switch_volt()
1065 pinctrl_select_state(host->pinctrl, host->pins_uhs); in msdc_ops_switch_volt()
1067 pinctrl_select_state(host->pinctrl, host->pins_default); in msdc_ops_switch_volt()
1075 struct msdc_host *host = mmc_priv(mmc); in msdc_card_busy() local
1076 u32 status = readl(host->base + MSDC_PS); in msdc_card_busy()
1087 struct msdc_host *host = container_of(work, struct msdc_host, in msdc_request_timeout() local
1091 dev_err(host->dev, "%s: aborting cmd/data/mrq\n", __func__); in msdc_request_timeout()
1092 if (host->mrq) { in msdc_request_timeout()
1093 dev_err(host->dev, "%s: aborting mrq=%p cmd=%d\n", __func__, in msdc_request_timeout()
1094 host->mrq, host->mrq->cmd->opcode); in msdc_request_timeout()
1095 if (host->cmd) { in msdc_request_timeout()
1096 dev_err(host->dev, "%s: aborting cmd=%d\n", in msdc_request_timeout()
1097 __func__, host->cmd->opcode); in msdc_request_timeout()
1098 msdc_cmd_done(host, MSDC_INT_CMDTMO, host->mrq, in msdc_request_timeout()
1099 host->cmd); in msdc_request_timeout()
1100 } else if (host->data) { in msdc_request_timeout()
1101 dev_err(host->dev, "%s: abort data: cmd%d; %d blocks\n", in msdc_request_timeout()
1102 __func__, host->mrq->cmd->opcode, in msdc_request_timeout()
1103 host->data->blocks); in msdc_request_timeout()
1104 msdc_data_xfer_done(host, MSDC_INT_DATTMO, host->mrq, in msdc_request_timeout()
1105 host->data); in msdc_request_timeout()
1112 struct msdc_host *host = (struct msdc_host *) dev_id; in msdc_irq() local
1121 spin_lock_irqsave(&host->lock, flags); in msdc_irq()
1122 events = readl(host->base + MSDC_INT); in msdc_irq()
1123 event_mask = readl(host->base + MSDC_INTEN); in msdc_irq()
1125 writel(events & event_mask, host->base + MSDC_INT); in msdc_irq()
1127 mrq = host->mrq; in msdc_irq()
1128 cmd = host->cmd; in msdc_irq()
1129 data = host->data; in msdc_irq()
1130 spin_unlock_irqrestore(&host->lock, flags); in msdc_irq()
1136 dev_err(host->dev, in msdc_irq()
1143 dev_dbg(host->dev, "%s: events=%08X\n", __func__, events); in msdc_irq()
1146 msdc_cmd_done(host, events, mrq, cmd); in msdc_irq()
1148 msdc_data_xfer_done(host, events, mrq, data); in msdc_irq()
1154 static void msdc_init_hw(struct msdc_host *host) in msdc_init_hw() argument
1159 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_MODE | MSDC_CFG_CKPDN); in msdc_init_hw()
1162 msdc_reset_hw(host); in msdc_init_hw()
1165 sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN); in msdc_init_hw()
1168 writel(0, host->base + MSDC_INTEN); in msdc_init_hw()
1169 val = readl(host->base + MSDC_INT); in msdc_init_hw()
1170 writel(val, host->base + MSDC_INT); in msdc_init_hw()
1172 writel(0, host->base + MSDC_PAD_TUNE); in msdc_init_hw()
1173 writel(0, host->base + MSDC_IOCON); in msdc_init_hw()
1174 sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 0); in msdc_init_hw()
1175 writel(0x403c0046, host->base + MSDC_PATCH_BIT); in msdc_init_hw()
1176 sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_CKGEN_MSDC_DLY_SEL, 1); in msdc_init_hw()
1177 writel(0xffff0089, host->base + MSDC_PATCH_BIT1); in msdc_init_hw()
1178 sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL); in msdc_init_hw()
1183 sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIO); in msdc_init_hw()
1186 sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE); in msdc_init_hw()
1189 sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3); in msdc_init_hw()
1191 host->def_tune_para.iocon = readl(host->base + MSDC_IOCON); in msdc_init_hw()
1192 host->def_tune_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); in msdc_init_hw()
1193 dev_dbg(host->dev, "init hardware done!"); in msdc_init_hw()
1196 static void msdc_deinit_hw(struct msdc_host *host) in msdc_deinit_hw() argument
1200 writel(0, host->base + MSDC_INTEN); in msdc_deinit_hw()
1202 val = readl(host->base + MSDC_INT); in msdc_deinit_hw()
1203 writel(val, host->base + MSDC_INT); in msdc_deinit_hw()
1207 static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma) in msdc_init_gpd_bd() argument
1228 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_set_ios() local
1231 msdc_set_buswidth(host, ios->bus_width); in msdc_ops_set_ios()
1237 msdc_init_hw(host); in msdc_ops_set_ios()
1241 dev_err(host->dev, "Failed to set vmmc power!\n"); in msdc_ops_set_ios()
1247 if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) { in msdc_ops_set_ios()
1250 dev_err(host->dev, "Failed to set vqmmc power!\n"); in msdc_ops_set_ios()
1252 host->vqmmc_enabled = true; in msdc_ops_set_ios()
1259 if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) { in msdc_ops_set_ios()
1261 host->vqmmc_enabled = false; in msdc_ops_set_ios()
1268 if (host->mclk != ios->clock || host->timing != ios->timing) in msdc_ops_set_ios()
1269 msdc_set_mclk(host, ios->timing, ios->clock); in msdc_ops_set_ios()
1289 static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay) in get_best_delay() argument
1297 dev_err(host->dev, "phase error: [map:%x]\n", delay); in get_best_delay()
1318 dev_info(host->dev, "phase: [map:%x] [maxlen:%d] [final:%d]\n", in get_best_delay()
1329 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_response() local
1336 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1338 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_response()
1344 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_response()
1350 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1352 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_response()
1358 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_response()
1363 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1364 sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRDLY, in msdc_tune_response()
1368 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1369 sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRDLY, in msdc_tune_response()
1379 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_data() local
1385 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1386 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1388 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1394 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_data()
1400 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1401 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()
1409 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_data()
1414 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1415 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1416 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1421 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1422 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1423 sdr_set_field(host->base + MSDC_PAD_TUNE, in msdc_tune_data()
1434 struct msdc_host *host = mmc_priv(mmc); in msdc_execute_tuning() local
1439 dev_err(host->dev, "Tune response fail!\n"); in msdc_execute_tuning()
1442 if (host->hs400_mode == false) { in msdc_execute_tuning()
1445 dev_err(host->dev, "Tune data fail!\n"); in msdc_execute_tuning()
1448 host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); in msdc_execute_tuning()
1449 host->saved_tune_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); in msdc_execute_tuning()
1455 struct msdc_host *host = mmc_priv(mmc); in msdc_prepare_hs400_tuning() local
1456 host->hs400_mode = true; in msdc_prepare_hs400_tuning()
1458 writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE); in msdc_prepare_hs400_tuning()
1464 struct msdc_host *host = mmc_priv(mmc); in msdc_hw_reset() local
1466 sdr_set_bits(host->base + EMMC_IOCON, 1); in msdc_hw_reset()
1468 sdr_clr_bits(host->base + EMMC_IOCON, 1); in msdc_hw_reset()
1487 struct msdc_host *host; in msdc_drv_probe() local
1500 host = mmc_priv(mmc); in msdc_drv_probe()
1506 host->base = devm_ioremap_resource(&pdev->dev, res); in msdc_drv_probe()
1507 if (IS_ERR(host->base)) { in msdc_drv_probe()
1508 ret = PTR_ERR(host->base); in msdc_drv_probe()
1516 host->src_clk = devm_clk_get(&pdev->dev, "source"); in msdc_drv_probe()
1517 if (IS_ERR(host->src_clk)) { in msdc_drv_probe()
1518 ret = PTR_ERR(host->src_clk); in msdc_drv_probe()
1522 host->h_clk = devm_clk_get(&pdev->dev, "hclk"); in msdc_drv_probe()
1523 if (IS_ERR(host->h_clk)) { in msdc_drv_probe()
1524 ret = PTR_ERR(host->h_clk); in msdc_drv_probe()
1528 host->irq = platform_get_irq(pdev, 0); in msdc_drv_probe()
1529 if (host->irq < 0) { in msdc_drv_probe()
1534 host->pinctrl = devm_pinctrl_get(&pdev->dev); in msdc_drv_probe()
1535 if (IS_ERR(host->pinctrl)) { in msdc_drv_probe()
1536 ret = PTR_ERR(host->pinctrl); in msdc_drv_probe()
1541 host->pins_default = pinctrl_lookup_state(host->pinctrl, "default"); in msdc_drv_probe()
1542 if (IS_ERR(host->pins_default)) { in msdc_drv_probe()
1543 ret = PTR_ERR(host->pins_default); in msdc_drv_probe()
1548 host->pins_uhs = pinctrl_lookup_state(host->pinctrl, "state_uhs"); in msdc_drv_probe()
1549 if (IS_ERR(host->pins_uhs)) { in msdc_drv_probe()
1550 ret = PTR_ERR(host->pins_uhs); in msdc_drv_probe()
1556 &host->hs400_ds_delay)) in msdc_drv_probe()
1558 host->hs400_ds_delay); in msdc_drv_probe()
1560 host->dev = &pdev->dev; in msdc_drv_probe()
1561 host->mmc = mmc; in msdc_drv_probe()
1562 host->src_clk_freq = clk_get_rate(host->src_clk); in msdc_drv_probe()
1565 mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 255); in msdc_drv_probe()
1574 host->dma_mask = DMA_BIT_MASK(32); in msdc_drv_probe()
1575 mmc_dev(mmc)->dma_mask = &host->dma_mask; in msdc_drv_probe()
1577 host->timeout_clks = 3 * 1048576; in msdc_drv_probe()
1578 host->dma.gpd = dma_alloc_coherent(&pdev->dev, in msdc_drv_probe()
1580 &host->dma.gpd_addr, GFP_KERNEL); in msdc_drv_probe()
1581 host->dma.bd = dma_alloc_coherent(&pdev->dev, in msdc_drv_probe()
1583 &host->dma.bd_addr, GFP_KERNEL); in msdc_drv_probe()
1584 if (!host->dma.gpd || !host->dma.bd) { in msdc_drv_probe()
1588 msdc_init_gpd_bd(host, &host->dma); in msdc_drv_probe()
1589 INIT_DELAYED_WORK(&host->req_timeout, msdc_request_timeout); in msdc_drv_probe()
1590 spin_lock_init(&host->lock); in msdc_drv_probe()
1593 msdc_ungate_clock(host); in msdc_drv_probe()
1594 msdc_init_hw(host); in msdc_drv_probe()
1596 ret = devm_request_irq(&pdev->dev, host->irq, msdc_irq, in msdc_drv_probe()
1597 IRQF_TRIGGER_LOW | IRQF_ONESHOT, pdev->name, host); in msdc_drv_probe()
1601 pm_runtime_set_active(host->dev); in msdc_drv_probe()
1602 pm_runtime_set_autosuspend_delay(host->dev, MTK_MMC_AUTOSUSPEND_DELAY); in msdc_drv_probe()
1603 pm_runtime_use_autosuspend(host->dev); in msdc_drv_probe()
1604 pm_runtime_enable(host->dev); in msdc_drv_probe()
1612 pm_runtime_disable(host->dev); in msdc_drv_probe()
1615 msdc_deinit_hw(host); in msdc_drv_probe()
1616 msdc_gate_clock(host); in msdc_drv_probe()
1618 if (host->dma.gpd) in msdc_drv_probe()
1621 host->dma.gpd, host->dma.gpd_addr); in msdc_drv_probe()
1622 if (host->dma.bd) in msdc_drv_probe()
1625 host->dma.bd, host->dma.bd_addr); in msdc_drv_probe()
1635 struct msdc_host *host; in msdc_drv_remove() local
1638 host = mmc_priv(mmc); in msdc_drv_remove()
1640 pm_runtime_get_sync(host->dev); in msdc_drv_remove()
1643 mmc_remove_host(host->mmc); in msdc_drv_remove()
1644 msdc_deinit_hw(host); in msdc_drv_remove()
1645 msdc_gate_clock(host); in msdc_drv_remove()
1647 pm_runtime_disable(host->dev); in msdc_drv_remove()
1648 pm_runtime_put_noidle(host->dev); in msdc_drv_remove()
1651 host->dma.gpd, host->dma.gpd_addr); in msdc_drv_remove()
1653 host->dma.bd, host->dma.bd_addr); in msdc_drv_remove()
1655 mmc_free_host(host->mmc); in msdc_drv_remove()
1661 static void msdc_save_reg(struct msdc_host *host) in msdc_save_reg() argument
1663 host->save_para.msdc_cfg = readl(host->base + MSDC_CFG); in msdc_save_reg()
1664 host->save_para.iocon = readl(host->base + MSDC_IOCON); in msdc_save_reg()
1665 host->save_para.sdc_cfg = readl(host->base + SDC_CFG); in msdc_save_reg()
1666 host->save_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); in msdc_save_reg()
1667 host->save_para.patch_bit0 = readl(host->base + MSDC_PATCH_BIT); in msdc_save_reg()
1668 host->save_para.patch_bit1 = readl(host->base + MSDC_PATCH_BIT1); in msdc_save_reg()
1669 host->save_para.pad_ds_tune = readl(host->base + PAD_DS_TUNE); in msdc_save_reg()
1670 host->save_para.emmc50_cfg0 = readl(host->base + EMMC50_CFG0); in msdc_save_reg()
1673 static void msdc_restore_reg(struct msdc_host *host) in msdc_restore_reg() argument
1675 writel(host->save_para.msdc_cfg, host->base + MSDC_CFG); in msdc_restore_reg()
1676 writel(host->save_para.iocon, host->base + MSDC_IOCON); in msdc_restore_reg()
1677 writel(host->save_para.sdc_cfg, host->base + SDC_CFG); in msdc_restore_reg()
1678 writel(host->save_para.pad_tune, host->base + MSDC_PAD_TUNE); in msdc_restore_reg()
1679 writel(host->save_para.patch_bit0, host->base + MSDC_PATCH_BIT); in msdc_restore_reg()
1680 writel(host->save_para.patch_bit1, host->base + MSDC_PATCH_BIT1); in msdc_restore_reg()
1681 writel(host->save_para.pad_ds_tune, host->base + PAD_DS_TUNE); in msdc_restore_reg()
1682 writel(host->save_para.emmc50_cfg0, host->base + EMMC50_CFG0); in msdc_restore_reg()
1688 struct msdc_host *host = mmc_priv(mmc); in msdc_runtime_suspend() local
1690 msdc_save_reg(host); in msdc_runtime_suspend()
1691 msdc_gate_clock(host); in msdc_runtime_suspend()
1698 struct msdc_host *host = mmc_priv(mmc); in msdc_runtime_resume() local
1700 msdc_ungate_clock(host); in msdc_runtime_resume()
1701 msdc_restore_reg(host); in msdc_runtime_resume()