Lines Matching refs:host
575 static void msdc_reset_hw(struct msdc_host *host) in msdc_reset_hw() argument
579 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_RST); in msdc_reset_hw()
580 while (readl(host->base + MSDC_CFG) & MSDC_CFG_RST) in msdc_reset_hw()
583 sdr_set_bits(host->base + MSDC_FIFOCS, MSDC_FIFOCS_CLR); in msdc_reset_hw()
584 while (readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_CLR) in msdc_reset_hw()
587 val = readl(host->base + MSDC_INT); in msdc_reset_hw()
588 writel(val, host->base + MSDC_INT); in msdc_reset_hw()
591 static void msdc_cmd_next(struct msdc_host *host,
610 static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, in msdc_dma_setup() argument
641 if (host->dev_comp->support_64g) { in msdc_dma_setup()
647 if (host->dev_comp->support_64g) { in msdc_dma_setup()
665 sdr_set_field(host->base + MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, 1); in msdc_dma_setup()
666 dma_ctrl = readl_relaxed(host->base + MSDC_DMA_CTRL); in msdc_dma_setup()
669 writel_relaxed(dma_ctrl, host->base + MSDC_DMA_CTRL); in msdc_dma_setup()
670 if (host->dev_comp->support_64g) in msdc_dma_setup()
671 sdr_set_field(host->base + DMA_SA_H4BIT, DMA_ADDR_HIGH_4BIT, in msdc_dma_setup()
673 writel(lower_32_bits(dma->gpd_addr), host->base + MSDC_DMA_SA); in msdc_dma_setup()
676 static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq) in msdc_prepare_data() argument
682 data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len, in msdc_prepare_data()
687 static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq) in msdc_unprepare_data() argument
695 dma_unmap_sg(host->dev, data->sg, data->sg_len, in msdc_unprepare_data()
702 static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) in msdc_set_timeout() argument
707 host->timeout_ns = ns; in msdc_set_timeout()
708 host->timeout_clks = clks; in msdc_set_timeout()
709 if (host->mmc->actual_clock == 0) { in msdc_set_timeout()
712 clk_ns = 1000000000UL / host->mmc->actual_clock; in msdc_set_timeout()
716 if (host->dev_comp->clk_div_bits == 8) in msdc_set_timeout()
717 sdr_get_field(host->base + MSDC_CFG, in msdc_set_timeout()
720 sdr_get_field(host->base + MSDC_CFG, in msdc_set_timeout()
727 sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout); in msdc_set_timeout()
730 static void msdc_gate_clock(struct msdc_host *host) in msdc_gate_clock() argument
732 clk_disable_unprepare(host->src_clk_cg); in msdc_gate_clock()
733 clk_disable_unprepare(host->src_clk); in msdc_gate_clock()
734 clk_disable_unprepare(host->bus_clk); in msdc_gate_clock()
735 clk_disable_unprepare(host->h_clk); in msdc_gate_clock()
738 static void msdc_ungate_clock(struct msdc_host *host) in msdc_ungate_clock() argument
740 clk_prepare_enable(host->h_clk); in msdc_ungate_clock()
741 clk_prepare_enable(host->bus_clk); in msdc_ungate_clock()
742 clk_prepare_enable(host->src_clk); in msdc_ungate_clock()
743 clk_prepare_enable(host->src_clk_cg); in msdc_ungate_clock()
744 while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) in msdc_ungate_clock()
748 static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) in msdc_set_mclk() argument
754 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_set_mclk()
757 dev_dbg(host->dev, "set mclk to 0\n"); in msdc_set_mclk()
758 host->mclk = 0; in msdc_set_mclk()
759 host->mmc->actual_clock = 0; in msdc_set_mclk()
760 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
764 flags = readl(host->base + MSDC_INTEN); in msdc_set_mclk()
765 sdr_clr_bits(host->base + MSDC_INTEN, flags); in msdc_set_mclk()
766 if (host->dev_comp->clk_div_bits == 8) in msdc_set_mclk()
767 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_HS400_CK_MODE); in msdc_set_mclk()
769 sdr_clr_bits(host->base + MSDC_CFG, in msdc_set_mclk()
779 if (hz >= (host->src_clk_freq >> 2)) { in msdc_set_mclk()
781 sclk = host->src_clk_freq >> 2; /* sclk = clk / 4 */ in msdc_set_mclk()
783 div = (host->src_clk_freq + ((hz << 2) - 1)) / (hz << 2); in msdc_set_mclk()
784 sclk = (host->src_clk_freq >> 2) / div; in msdc_set_mclk()
789 hz >= (host->src_clk_freq >> 1)) { in msdc_set_mclk()
790 if (host->dev_comp->clk_div_bits == 8) in msdc_set_mclk()
791 sdr_set_bits(host->base + MSDC_CFG, in msdc_set_mclk()
794 sdr_set_bits(host->base + MSDC_CFG, in msdc_set_mclk()
796 sclk = host->src_clk_freq >> 1; in msdc_set_mclk()
799 } else if (hz >= host->src_clk_freq) { in msdc_set_mclk()
802 sclk = host->src_clk_freq; in msdc_set_mclk()
805 if (hz >= (host->src_clk_freq >> 1)) { in msdc_set_mclk()
807 sclk = host->src_clk_freq >> 1; /* sclk = clk / 2 */ in msdc_set_mclk()
809 div = (host->src_clk_freq + ((hz << 2) - 1)) / (hz << 2); in msdc_set_mclk()
810 sclk = (host->src_clk_freq >> 2) / div; in msdc_set_mclk()
813 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
818 if (host->src_clk_cg) in msdc_set_mclk()
819 clk_disable_unprepare(host->src_clk_cg); in msdc_set_mclk()
821 clk_disable_unprepare(clk_get_parent(host->src_clk)); in msdc_set_mclk()
822 if (host->dev_comp->clk_div_bits == 8) in msdc_set_mclk()
823 sdr_set_field(host->base + MSDC_CFG, in msdc_set_mclk()
827 sdr_set_field(host->base + MSDC_CFG, in msdc_set_mclk()
830 if (host->src_clk_cg) in msdc_set_mclk()
831 clk_prepare_enable(host->src_clk_cg); in msdc_set_mclk()
833 clk_prepare_enable(clk_get_parent(host->src_clk)); in msdc_set_mclk()
835 while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) in msdc_set_mclk()
837 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); in msdc_set_mclk()
838 host->mmc->actual_clock = sclk; in msdc_set_mclk()
839 host->mclk = hz; in msdc_set_mclk()
840 host->timing = timing; in msdc_set_mclk()
842 msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); in msdc_set_mclk()
843 sdr_set_bits(host->base + MSDC_INTEN, flags); in msdc_set_mclk()
849 if (host->mmc->actual_clock <= 52000000) { in msdc_set_mclk()
850 writel(host->def_tune_para.iocon, host->base + MSDC_IOCON); in msdc_set_mclk()
851 if (host->top_base) { in msdc_set_mclk()
852 writel(host->def_tune_para.emmc_top_control, in msdc_set_mclk()
853 host->top_base + EMMC_TOP_CONTROL); in msdc_set_mclk()
854 writel(host->def_tune_para.emmc_top_cmd, in msdc_set_mclk()
855 host->top_base + EMMC_TOP_CMD); in msdc_set_mclk()
857 writel(host->def_tune_para.pad_tune, in msdc_set_mclk()
858 host->base + tune_reg); in msdc_set_mclk()
861 writel(host->saved_tune_para.iocon, host->base + MSDC_IOCON); in msdc_set_mclk()
862 writel(host->saved_tune_para.pad_cmd_tune, in msdc_set_mclk()
863 host->base + PAD_CMD_TUNE); in msdc_set_mclk()
864 if (host->top_base) { in msdc_set_mclk()
865 writel(host->saved_tune_para.emmc_top_control, in msdc_set_mclk()
866 host->top_base + EMMC_TOP_CONTROL); in msdc_set_mclk()
867 writel(host->saved_tune_para.emmc_top_cmd, in msdc_set_mclk()
868 host->top_base + EMMC_TOP_CMD); in msdc_set_mclk()
870 writel(host->saved_tune_para.pad_tune, in msdc_set_mclk()
871 host->base + tune_reg); in msdc_set_mclk()
876 host->dev_comp->hs400_tune) in msdc_set_mclk()
877 sdr_set_field(host->base + tune_reg, in msdc_set_mclk()
879 host->hs400_cmd_int_delay); in msdc_set_mclk()
880 dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->mmc->actual_clock, in msdc_set_mclk()
884 static inline u32 msdc_cmd_find_resp(struct msdc_host *host, in msdc_cmd_find_resp() argument
912 static inline u32 msdc_cmd_prepare_raw_cmd(struct msdc_host *host, in msdc_cmd_prepare_raw_cmd() argument
920 u32 resp = msdc_cmd_find_resp(host, mrq, cmd); in msdc_cmd_prepare_raw_cmd()
923 host->cmd_rsp = resp; in msdc_cmd_prepare_raw_cmd()
941 if (mmc_card_mmc(host->mmc->card) && mrq->sbc && in msdc_cmd_prepare_raw_cmd()
954 sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_PIO); in msdc_cmd_prepare_raw_cmd()
956 if (host->timeout_ns != data->timeout_ns || in msdc_cmd_prepare_raw_cmd()
957 host->timeout_clks != data->timeout_clks) in msdc_cmd_prepare_raw_cmd()
958 msdc_set_timeout(host, data->timeout_ns, in msdc_cmd_prepare_raw_cmd()
961 writel(data->blocks, host->base + SDC_BLK_NUM); in msdc_cmd_prepare_raw_cmd()
966 static void msdc_start_data(struct msdc_host *host, struct mmc_request *mrq, in msdc_start_data() argument
971 WARN_ON(host->data); in msdc_start_data()
972 host->data = data; in msdc_start_data()
975 mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT); in msdc_start_data()
976 msdc_dma_setup(host, &host->dma, data); in msdc_start_data()
977 sdr_set_bits(host->base + MSDC_INTEN, data_ints_mask); in msdc_start_data()
978 sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1); in msdc_start_data()
979 dev_dbg(host->dev, "DMA start\n"); in msdc_start_data()
980 dev_dbg(host->dev, "%s: cmd=%d DMA data: %d blocks; read=%d\n", in msdc_start_data()
984 static int msdc_auto_cmd_done(struct msdc_host *host, int events, in msdc_auto_cmd_done() argument
989 rsp[0] = readl(host->base + SDC_ACMD_RESP); in msdc_auto_cmd_done()
994 msdc_reset_hw(host); in msdc_auto_cmd_done()
997 host->error |= REQ_STOP_EIO; in msdc_auto_cmd_done()
1000 host->error |= REQ_STOP_TMO; in msdc_auto_cmd_done()
1002 dev_err(host->dev, in msdc_auto_cmd_done()
1009 static void msdc_track_cmd_data(struct msdc_host *host, in msdc_track_cmd_data() argument
1012 if (host->error) in msdc_track_cmd_data()
1013 dev_dbg(host->dev, "%s: cmd=%d arg=%08X; host->error=0x%08X\n", in msdc_track_cmd_data()
1014 __func__, cmd->opcode, cmd->arg, host->error); in msdc_track_cmd_data()
1017 static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq) in msdc_request_done() argument
1022 ret = cancel_delayed_work(&host->req_timeout); in msdc_request_done()
1027 spin_lock_irqsave(&host->lock, flags); in msdc_request_done()
1028 host->mrq = NULL; in msdc_request_done()
1029 spin_unlock_irqrestore(&host->lock, flags); in msdc_request_done()
1031 msdc_track_cmd_data(host, mrq->cmd, mrq->data); in msdc_request_done()
1033 msdc_unprepare_data(host, mrq); in msdc_request_done()
1034 if (host->error) in msdc_request_done()
1035 msdc_reset_hw(host); in msdc_request_done()
1036 mmc_request_done(host->mmc, mrq); in msdc_request_done()
1040 static bool msdc_cmd_done(struct msdc_host *host, int events, in msdc_cmd_done() argument
1051 msdc_auto_cmd_done(host, events, mrq->sbc); in msdc_cmd_done()
1060 spin_lock_irqsave(&host->lock, flags); in msdc_cmd_done()
1061 done = !host->cmd; in msdc_cmd_done()
1062 host->cmd = NULL; in msdc_cmd_done()
1063 spin_unlock_irqrestore(&host->lock, flags); in msdc_cmd_done()
1068 sdr_clr_bits(host->base + MSDC_INTEN, cmd_ints_mask); in msdc_cmd_done()
1072 rsp[0] = readl(host->base + SDC_RESP3); in msdc_cmd_done()
1073 rsp[1] = readl(host->base + SDC_RESP2); in msdc_cmd_done()
1074 rsp[2] = readl(host->base + SDC_RESP1); in msdc_cmd_done()
1075 rsp[3] = readl(host->base + SDC_RESP0); in msdc_cmd_done()
1077 rsp[0] = readl(host->base + SDC_RESP0); in msdc_cmd_done()
1090 msdc_reset_hw(host); in msdc_cmd_done()
1093 host->error |= REQ_CMD_EIO; in msdc_cmd_done()
1096 host->error |= REQ_CMD_TMO; in msdc_cmd_done()
1100 dev_dbg(host->dev, in msdc_cmd_done()
1105 msdc_cmd_next(host, mrq, cmd); in msdc_cmd_done()
1113 static inline bool msdc_cmd_is_ready(struct msdc_host *host, in msdc_cmd_is_ready() argument
1119 while ((readl(host->base + SDC_STS) & SDC_STS_CMDBUSY) && in msdc_cmd_is_ready()
1122 if (readl(host->base + SDC_STS) & SDC_STS_CMDBUSY) { in msdc_cmd_is_ready()
1123 dev_err(host->dev, "CMD bus busy detected\n"); in msdc_cmd_is_ready()
1124 host->error |= REQ_CMD_BUSY; in msdc_cmd_is_ready()
1125 msdc_cmd_done(host, MSDC_INT_CMDTMO, mrq, cmd); in msdc_cmd_is_ready()
1132 while ((readl(host->base + SDC_STS) & SDC_STS_SDCBUSY) && in msdc_cmd_is_ready()
1135 if (readl(host->base + SDC_STS) & SDC_STS_SDCBUSY) { in msdc_cmd_is_ready()
1136 dev_err(host->dev, "Controller busy detected\n"); in msdc_cmd_is_ready()
1137 host->error |= REQ_CMD_BUSY; in msdc_cmd_is_ready()
1138 msdc_cmd_done(host, MSDC_INT_CMDTMO, mrq, cmd); in msdc_cmd_is_ready()
1145 static void msdc_start_command(struct msdc_host *host, in msdc_start_command() argument
1151 WARN_ON(host->cmd); in msdc_start_command()
1152 host->cmd = cmd; in msdc_start_command()
1154 mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT); in msdc_start_command()
1155 if (!msdc_cmd_is_ready(host, mrq, cmd)) in msdc_start_command()
1158 if ((readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_TXCNT) >> 16 || in msdc_start_command()
1159 readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_RXCNT) { in msdc_start_command()
1160 dev_err(host->dev, "TX/RX FIFO non-empty before start of IO. Reset\n"); in msdc_start_command()
1161 msdc_reset_hw(host); in msdc_start_command()
1165 rawcmd = msdc_cmd_prepare_raw_cmd(host, mrq, cmd); in msdc_start_command()
1167 spin_lock_irqsave(&host->lock, flags); in msdc_start_command()
1168 sdr_set_bits(host->base + MSDC_INTEN, cmd_ints_mask); in msdc_start_command()
1169 spin_unlock_irqrestore(&host->lock, flags); in msdc_start_command()
1171 writel(cmd->arg, host->base + SDC_ARG); in msdc_start_command()
1172 writel(rawcmd, host->base + SDC_CMD); in msdc_start_command()
1175 static void msdc_cmd_next(struct msdc_host *host, in msdc_cmd_next() argument
1183 msdc_request_done(host, mrq); in msdc_cmd_next()
1185 msdc_start_command(host, mrq, mrq->cmd); in msdc_cmd_next()
1187 msdc_request_done(host, mrq); in msdc_cmd_next()
1189 msdc_start_data(host, mrq, cmd, cmd->data); in msdc_cmd_next()
1194 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_request() local
1196 host->error = 0; in msdc_ops_request()
1197 WARN_ON(host->mrq); in msdc_ops_request()
1198 host->mrq = mrq; in msdc_ops_request()
1201 msdc_prepare_data(host, mrq); in msdc_ops_request()
1209 msdc_start_command(host, mrq, mrq->sbc); in msdc_ops_request()
1211 msdc_start_command(host, mrq, mrq->cmd); in msdc_ops_request()
1216 struct msdc_host *host = mmc_priv(mmc); in msdc_pre_req() local
1222 msdc_prepare_data(host, mrq); in msdc_pre_req()
1229 struct msdc_host *host = mmc_priv(mmc); in msdc_post_req() local
1237 msdc_unprepare_data(host, mrq); in msdc_post_req()
1241 static void msdc_data_xfer_next(struct msdc_host *host, in msdc_data_xfer_next() argument
1246 msdc_start_command(host, mrq, mrq->stop); in msdc_data_xfer_next()
1248 msdc_request_done(host, mrq); in msdc_data_xfer_next()
1251 static bool msdc_data_xfer_done(struct msdc_host *host, u32 events, in msdc_data_xfer_done() argument
1262 spin_lock_irqsave(&host->lock, flags); in msdc_data_xfer_done()
1263 done = !host->data; in msdc_data_xfer_done()
1265 host->data = NULL; in msdc_data_xfer_done()
1266 spin_unlock_irqrestore(&host->lock, flags); in msdc_data_xfer_done()
1272 dev_dbg(host->dev, "DMA status: 0x%8X\n", in msdc_data_xfer_done()
1273 readl(host->base + MSDC_DMA_CFG)); in msdc_data_xfer_done()
1274 sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, in msdc_data_xfer_done()
1276 while (readl(host->base + MSDC_DMA_CFG) & MSDC_DMA_CFG_STS) in msdc_data_xfer_done()
1278 sdr_clr_bits(host->base + MSDC_INTEN, data_ints_mask); in msdc_data_xfer_done()
1279 dev_dbg(host->dev, "DMA stop\n"); in msdc_data_xfer_done()
1284 dev_dbg(host->dev, "interrupt events: %x\n", events); in msdc_data_xfer_done()
1285 msdc_reset_hw(host); in msdc_data_xfer_done()
1286 host->error |= REQ_DAT_ERR; in msdc_data_xfer_done()
1294 dev_dbg(host->dev, "%s: cmd=%d; blocks=%d", in msdc_data_xfer_done()
1296 dev_dbg(host->dev, "data_error=%d xfer_size=%d\n", in msdc_data_xfer_done()
1300 msdc_data_xfer_next(host, mrq, data); in msdc_data_xfer_done()
1306 static void msdc_set_buswidth(struct msdc_host *host, u32 width) in msdc_set_buswidth() argument
1308 u32 val = readl(host->base + SDC_CFG); in msdc_set_buswidth()
1325 writel(val, host->base + SDC_CFG); in msdc_set_buswidth()
1326 dev_dbg(host->dev, "Bus Width = %d", width); in msdc_set_buswidth()
1331 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_switch_volt() local
1337 dev_err(host->dev, "Unsupported signal voltage!\n"); in msdc_ops_switch_volt()
1343 dev_dbg(host->dev, "Regulator set error %d (%d)\n", in msdc_ops_switch_volt()
1348 pinctrl_select_state(host->pinctrl, host->pins_uhs); in msdc_ops_switch_volt()
1350 pinctrl_select_state(host->pinctrl, host->pins_default); in msdc_ops_switch_volt()
1358 struct msdc_host *host = mmc_priv(mmc); in msdc_card_busy() local
1359 u32 status = readl(host->base + MSDC_PS); in msdc_card_busy()
1367 struct msdc_host *host = container_of(work, struct msdc_host, in msdc_request_timeout() local
1371 dev_err(host->dev, "%s: aborting cmd/data/mrq\n", __func__); in msdc_request_timeout()
1372 if (host->mrq) { in msdc_request_timeout()
1373 dev_err(host->dev, "%s: aborting mrq=%p cmd=%d\n", __func__, in msdc_request_timeout()
1374 host->mrq, host->mrq->cmd->opcode); in msdc_request_timeout()
1375 if (host->cmd) { in msdc_request_timeout()
1376 dev_err(host->dev, "%s: aborting cmd=%d\n", in msdc_request_timeout()
1377 __func__, host->cmd->opcode); in msdc_request_timeout()
1378 msdc_cmd_done(host, MSDC_INT_CMDTMO, host->mrq, in msdc_request_timeout()
1379 host->cmd); in msdc_request_timeout()
1380 } else if (host->data) { in msdc_request_timeout()
1381 dev_err(host->dev, "%s: abort data: cmd%d; %d blocks\n", in msdc_request_timeout()
1382 __func__, host->mrq->cmd->opcode, in msdc_request_timeout()
1383 host->data->blocks); in msdc_request_timeout()
1384 msdc_data_xfer_done(host, MSDC_INT_DATTMO, host->mrq, in msdc_request_timeout()
1385 host->data); in msdc_request_timeout()
1390 static void __msdc_enable_sdio_irq(struct msdc_host *host, int enb) in __msdc_enable_sdio_irq() argument
1393 sdr_set_bits(host->base + MSDC_INTEN, MSDC_INTEN_SDIOIRQ); in __msdc_enable_sdio_irq()
1394 sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE); in __msdc_enable_sdio_irq()
1396 sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INTEN_SDIOIRQ); in __msdc_enable_sdio_irq()
1397 sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE); in __msdc_enable_sdio_irq()
1404 struct msdc_host *host = mmc_priv(mmc); in msdc_enable_sdio_irq() local
1406 spin_lock_irqsave(&host->lock, flags); in msdc_enable_sdio_irq()
1407 __msdc_enable_sdio_irq(host, enb); in msdc_enable_sdio_irq()
1408 spin_unlock_irqrestore(&host->lock, flags); in msdc_enable_sdio_irq()
1411 pm_runtime_get_noresume(host->dev); in msdc_enable_sdio_irq()
1413 pm_runtime_put_noidle(host->dev); in msdc_enable_sdio_irq()
1418 struct msdc_host *host = (struct msdc_host *) dev_id; in msdc_irq() local
1427 spin_lock_irqsave(&host->lock, flags); in msdc_irq()
1428 events = readl(host->base + MSDC_INT); in msdc_irq()
1429 event_mask = readl(host->base + MSDC_INTEN); in msdc_irq()
1431 __msdc_enable_sdio_irq(host, 0); in msdc_irq()
1433 writel(events & event_mask, host->base + MSDC_INT); in msdc_irq()
1435 mrq = host->mrq; in msdc_irq()
1436 cmd = host->cmd; in msdc_irq()
1437 data = host->data; in msdc_irq()
1438 spin_unlock_irqrestore(&host->lock, flags); in msdc_irq()
1441 sdio_signal_irq(host->mmc); in msdc_irq()
1444 if (host->internal_cd) in msdc_irq()
1445 mmc_detect_change(host->mmc, msecs_to_jiffies(20)); in msdc_irq()
1453 dev_err(host->dev, in msdc_irq()
1460 dev_dbg(host->dev, "%s: events=%08X\n", __func__, events); in msdc_irq()
1463 msdc_cmd_done(host, events, mrq, cmd); in msdc_irq()
1465 msdc_data_xfer_done(host, events, mrq, data); in msdc_irq()
1471 static void msdc_init_hw(struct msdc_host *host) in msdc_init_hw() argument
1474 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_init_hw()
1477 sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_MODE | MSDC_CFG_CKPDN); in msdc_init_hw()
1480 msdc_reset_hw(host); in msdc_init_hw()
1483 writel(0, host->base + MSDC_INTEN); in msdc_init_hw()
1484 val = readl(host->base + MSDC_INT); in msdc_init_hw()
1485 writel(val, host->base + MSDC_INT); in msdc_init_hw()
1488 if (host->internal_cd) { in msdc_init_hw()
1489 sdr_set_field(host->base + MSDC_PS, MSDC_PS_CDDEBOUNCE, in msdc_init_hw()
1491 sdr_set_bits(host->base + MSDC_PS, MSDC_PS_CDEN); in msdc_init_hw()
1492 sdr_set_bits(host->base + MSDC_INTEN, MSDC_INTEN_CDSC); in msdc_init_hw()
1493 sdr_set_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP); in msdc_init_hw()
1495 sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP); in msdc_init_hw()
1496 sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN); in msdc_init_hw()
1497 sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INTEN_CDSC); in msdc_init_hw()
1500 if (host->top_base) { in msdc_init_hw()
1501 writel(0, host->top_base + EMMC_TOP_CONTROL); in msdc_init_hw()
1502 writel(0, host->top_base + EMMC_TOP_CMD); in msdc_init_hw()
1504 writel(0, host->base + tune_reg); in msdc_init_hw()
1506 writel(0, host->base + MSDC_IOCON); in msdc_init_hw()
1507 sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 0); in msdc_init_hw()
1508 writel(0x403c0046, host->base + MSDC_PATCH_BIT); in msdc_init_hw()
1509 sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_CKGEN_MSDC_DLY_SEL, 1); in msdc_init_hw()
1510 writel(0xffff4089, host->base + MSDC_PATCH_BIT1); in msdc_init_hw()
1511 sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL); in msdc_init_hw()
1513 if (host->dev_comp->stop_clk_fix) { in msdc_init_hw()
1514 sdr_set_field(host->base + MSDC_PATCH_BIT1, in msdc_init_hw()
1516 sdr_clr_bits(host->base + SDC_FIFO_CFG, in msdc_init_hw()
1518 sdr_clr_bits(host->base + SDC_FIFO_CFG, in msdc_init_hw()
1522 if (host->dev_comp->busy_check) in msdc_init_hw()
1523 sdr_clr_bits(host->base + MSDC_PATCH_BIT1, (1 << 7)); in msdc_init_hw()
1525 if (host->dev_comp->async_fifo) { in msdc_init_hw()
1526 sdr_set_field(host->base + MSDC_PATCH_BIT2, in msdc_init_hw()
1528 if (host->dev_comp->enhance_rx) { in msdc_init_hw()
1529 if (host->top_base) in msdc_init_hw()
1530 sdr_set_bits(host->top_base + EMMC_TOP_CONTROL, in msdc_init_hw()
1533 sdr_set_bits(host->base + SDC_ADV_CFG0, in msdc_init_hw()
1536 sdr_set_field(host->base + MSDC_PATCH_BIT2, in msdc_init_hw()
1538 sdr_set_field(host->base + MSDC_PATCH_BIT2, in msdc_init_hw()
1542 sdr_clr_bits(host->base + MSDC_PATCH_BIT2, in msdc_init_hw()
1544 sdr_set_bits(host->base + MSDC_PATCH_BIT2, in msdc_init_hw()
1548 if (host->dev_comp->support_64g) in msdc_init_hw()
1549 sdr_set_bits(host->base + MSDC_PATCH_BIT2, in msdc_init_hw()
1551 if (host->dev_comp->data_tune) { in msdc_init_hw()
1552 if (host->top_base) { in msdc_init_hw()
1553 sdr_set_bits(host->top_base + EMMC_TOP_CONTROL, in msdc_init_hw()
1555 sdr_clr_bits(host->top_base + EMMC_TOP_CONTROL, in msdc_init_hw()
1557 sdr_set_bits(host->top_base + EMMC_TOP_CMD, in msdc_init_hw()
1560 sdr_set_bits(host->base + tune_reg, in msdc_init_hw()
1566 if (host->top_base) in msdc_init_hw()
1567 sdr_set_bits(host->top_base + EMMC_TOP_CONTROL, in msdc_init_hw()
1570 sdr_set_bits(host->base + tune_reg, in msdc_init_hw()
1577 sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIO); in msdc_init_hw()
1580 sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE); in msdc_init_hw()
1581 sdr_set_bits(host->base + SDC_ADV_CFG0, SDC_DAT1_IRQ_TRIGGER); in msdc_init_hw()
1584 sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3); in msdc_init_hw()
1586 host->def_tune_para.iocon = readl(host->base + MSDC_IOCON); in msdc_init_hw()
1587 host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); in msdc_init_hw()
1588 if (host->top_base) { in msdc_init_hw()
1589 host->def_tune_para.emmc_top_control = in msdc_init_hw()
1590 readl(host->top_base + EMMC_TOP_CONTROL); in msdc_init_hw()
1591 host->def_tune_para.emmc_top_cmd = in msdc_init_hw()
1592 readl(host->top_base + EMMC_TOP_CMD); in msdc_init_hw()
1593 host->saved_tune_para.emmc_top_control = in msdc_init_hw()
1594 readl(host->top_base + EMMC_TOP_CONTROL); in msdc_init_hw()
1595 host->saved_tune_para.emmc_top_cmd = in msdc_init_hw()
1596 readl(host->top_base + EMMC_TOP_CMD); in msdc_init_hw()
1598 host->def_tune_para.pad_tune = readl(host->base + tune_reg); in msdc_init_hw()
1599 host->saved_tune_para.pad_tune = readl(host->base + tune_reg); in msdc_init_hw()
1601 dev_dbg(host->dev, "init hardware done!"); in msdc_init_hw()
1604 static void msdc_deinit_hw(struct msdc_host *host) in msdc_deinit_hw() argument
1608 if (host->internal_cd) { in msdc_deinit_hw()
1610 sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN); in msdc_deinit_hw()
1611 sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP); in msdc_deinit_hw()
1615 writel(0, host->base + MSDC_INTEN); in msdc_deinit_hw()
1617 val = readl(host->base + MSDC_INT); in msdc_deinit_hw()
1618 writel(val, host->base + MSDC_INT); in msdc_deinit_hw()
1622 static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma) in msdc_init_gpd_bd() argument
1637 if (host->dev_comp->support_64g) in msdc_init_gpd_bd()
1642 if (host->dev_comp->support_64g) in msdc_init_gpd_bd()
1649 if (host->dev_comp->support_64g) in msdc_init_gpd_bd()
1656 struct msdc_host *host = mmc_priv(mmc); in msdc_ops_set_ios() local
1659 msdc_set_buswidth(host, ios->bus_width); in msdc_ops_set_ios()
1665 msdc_init_hw(host); in msdc_ops_set_ios()
1669 dev_err(host->dev, "Failed to set vmmc power!\n"); in msdc_ops_set_ios()
1675 if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) { in msdc_ops_set_ios()
1678 dev_err(host->dev, "Failed to set vqmmc power!\n"); in msdc_ops_set_ios()
1680 host->vqmmc_enabled = true; in msdc_ops_set_ios()
1687 if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) { in msdc_ops_set_ios()
1689 host->vqmmc_enabled = false; in msdc_ops_set_ios()
1696 if (host->mclk != ios->clock || host->timing != ios->timing) in msdc_ops_set_ios()
1697 msdc_set_mclk(host, ios->timing, ios->clock); in msdc_ops_set_ios()
1717 static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay) in get_best_delay() argument
1725 dev_err(host->dev, "phase error: [map:%x]\n", delay); in get_best_delay()
1746 dev_info(host->dev, "phase: [map:%x] [maxlen:%d] [final:%d]\n", in get_best_delay()
1755 static inline void msdc_set_cmd_delay(struct msdc_host *host, u32 value) in msdc_set_cmd_delay() argument
1757 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_set_cmd_delay()
1759 if (host->top_base) in msdc_set_cmd_delay()
1760 sdr_set_field(host->top_base + EMMC_TOP_CMD, PAD_CMD_RXDLY, in msdc_set_cmd_delay()
1763 sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, in msdc_set_cmd_delay()
1767 static inline void msdc_set_data_delay(struct msdc_host *host, u32 value) in msdc_set_data_delay() argument
1769 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_set_data_delay()
1771 if (host->top_base) in msdc_set_data_delay()
1772 sdr_set_field(host->top_base + EMMC_TOP_CONTROL, in msdc_set_data_delay()
1775 sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_DATRRDLY, in msdc_set_data_delay()
1781 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_response() local
1787 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_tune_response()
1793 sdr_set_field(host->base + tune_reg, in msdc_tune_response()
1795 host->hs200_cmd_int_delay); in msdc_tune_response()
1797 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1799 msdc_set_cmd_delay(host, i); in msdc_tune_response()
1815 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_response()
1821 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1823 msdc_set_cmd_delay(host, i); in msdc_tune_response()
1839 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_response()
1846 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1849 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_response()
1852 msdc_set_cmd_delay(host, final_delay); in msdc_tune_response()
1854 if (host->dev_comp->async_fifo || host->hs200_cmd_int_delay) in msdc_tune_response()
1858 sdr_set_field(host->base + tune_reg, in msdc_tune_response()
1864 dev_dbg(host->dev, "Final internal delay: 0x%x\n", internal_delay); in msdc_tune_response()
1865 internal_delay_phase = get_best_delay(host, internal_delay); in msdc_tune_response()
1866 sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRRDLY, in msdc_tune_response()
1869 dev_dbg(host->dev, "Final cmd pad delay: %x\n", final_delay); in msdc_tune_response()
1875 struct msdc_host *host = mmc_priv(mmc); in hs400_tune_response() local
1883 sdr_set_bits(host->base + PAD_CMD_TUNE, BIT(0)); in hs400_tune_response()
1887 sdr_set_field(host->base + MSDC_PAD_TUNE, in hs400_tune_response()
1889 host->hs200_cmd_int_delay); in hs400_tune_response()
1891 if (host->hs400_cmd_resp_sel_rising) in hs400_tune_response()
1892 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in hs400_tune_response()
1894 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in hs400_tune_response()
1896 sdr_set_field(host->base + PAD_CMD_TUNE, in hs400_tune_response()
1913 final_cmd_delay = get_best_delay(host, cmd_delay); in hs400_tune_response()
1914 sdr_set_field(host->base + PAD_CMD_TUNE, PAD_CMD_TUNE_RX_DLY3, in hs400_tune_response()
1918 dev_dbg(host->dev, "Final cmd pad delay: %x\n", final_delay); in hs400_tune_response()
1924 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_data() local
1930 sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_INT_DAT_LATCH_CK_SEL, in msdc_tune_data()
1931 host->latch_ck); in msdc_tune_data()
1932 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1933 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1935 msdc_set_data_delay(host, i); in msdc_tune_data()
1940 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_data()
1946 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1947 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1949 msdc_set_data_delay(host, i); in msdc_tune_data()
1954 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_data()
1959 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1960 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1963 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); in msdc_tune_data()
1964 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); in msdc_tune_data()
1967 msdc_set_data_delay(host, final_delay); in msdc_tune_data()
1969 dev_dbg(host->dev, "Final data pad delay: %x\n", final_delay); in msdc_tune_data()
1979 struct msdc_host *host = mmc_priv(mmc); in msdc_tune_together() local
1985 sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_INT_DAT_LATCH_CK_SEL, in msdc_tune_together()
1986 host->latch_ck); in msdc_tune_together()
1988 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_together()
1989 sdr_clr_bits(host->base + MSDC_IOCON, in msdc_tune_together()
1992 msdc_set_cmd_delay(host, i); in msdc_tune_together()
1993 msdc_set_data_delay(host, i); in msdc_tune_together()
1998 final_rise_delay = get_best_delay(host, rise_delay); in msdc_tune_together()
2004 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_together()
2005 sdr_set_bits(host->base + MSDC_IOCON, in msdc_tune_together()
2008 msdc_set_cmd_delay(host, i); in msdc_tune_together()
2009 msdc_set_data_delay(host, i); in msdc_tune_together()
2014 final_fall_delay = get_best_delay(host, fall_delay); in msdc_tune_together()
2019 sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_together()
2020 sdr_clr_bits(host->base + MSDC_IOCON, in msdc_tune_together()
2024 sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); in msdc_tune_together()
2025 sdr_set_bits(host->base + MSDC_IOCON, in msdc_tune_together()
2030 msdc_set_cmd_delay(host, final_delay); in msdc_tune_together()
2031 msdc_set_data_delay(host, final_delay); in msdc_tune_together()
2033 dev_dbg(host->dev, "Final pad delay: %x\n", final_delay); in msdc_tune_together()
2039 struct msdc_host *host = mmc_priv(mmc); in msdc_execute_tuning() local
2041 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_execute_tuning()
2043 if (host->dev_comp->data_tune && host->dev_comp->async_fifo) { in msdc_execute_tuning()
2045 if (host->hs400_mode) { in msdc_execute_tuning()
2046 sdr_clr_bits(host->base + MSDC_IOCON, in msdc_execute_tuning()
2048 msdc_set_data_delay(host, 0); in msdc_execute_tuning()
2052 if (host->hs400_mode && in msdc_execute_tuning()
2053 host->dev_comp->hs400_tune) in msdc_execute_tuning()
2058 dev_err(host->dev, "Tune response fail!\n"); in msdc_execute_tuning()
2061 if (host->hs400_mode == false) { in msdc_execute_tuning()
2064 dev_err(host->dev, "Tune data fail!\n"); in msdc_execute_tuning()
2068 host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); in msdc_execute_tuning()
2069 host->saved_tune_para.pad_tune = readl(host->base + tune_reg); in msdc_execute_tuning()
2070 host->saved_tune_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE); in msdc_execute_tuning()
2071 if (host->top_base) { in msdc_execute_tuning()
2072 host->saved_tune_para.emmc_top_control = readl(host->top_base + in msdc_execute_tuning()
2074 host->saved_tune_para.emmc_top_cmd = readl(host->top_base + in msdc_execute_tuning()
2082 struct msdc_host *host = mmc_priv(mmc); in msdc_prepare_hs400_tuning() local
2083 host->hs400_mode = true; in msdc_prepare_hs400_tuning()
2085 if (host->top_base) in msdc_prepare_hs400_tuning()
2086 writel(host->hs400_ds_delay, in msdc_prepare_hs400_tuning()
2087 host->top_base + EMMC50_PAD_DS_TUNE); in msdc_prepare_hs400_tuning()
2089 writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE); in msdc_prepare_hs400_tuning()
2091 sdr_clr_bits(host->base + MSDC_PATCH_BIT2, MSDC_PATCH_BIT2_CFGCRCSTS); in msdc_prepare_hs400_tuning()
2093 sdr_set_field(host->base + EMMC50_CFG3, EMMC50_CFG3_OUTS_WR, 2); in msdc_prepare_hs400_tuning()
2100 struct msdc_host *host = mmc_priv(mmc); in msdc_hw_reset() local
2102 sdr_set_bits(host->base + EMMC_IOCON, 1); in msdc_hw_reset()
2104 sdr_clr_bits(host->base + EMMC_IOCON, 1); in msdc_hw_reset()
2110 struct msdc_host *host = mmc_priv(mmc); in msdc_ack_sdio_irq() local
2112 spin_lock_irqsave(&host->lock, flags); in msdc_ack_sdio_irq()
2113 __msdc_enable_sdio_irq(host, 1); in msdc_ack_sdio_irq()
2114 spin_unlock_irqrestore(&host->lock, flags); in msdc_ack_sdio_irq()
2119 struct msdc_host *host = mmc_priv(mmc); in msdc_get_cd() local
2125 if (!host->internal_cd) in msdc_get_cd()
2128 val = readl(host->base + MSDC_PS) & MSDC_PS_CDSTS; in msdc_get_cd()
2152 struct msdc_host *host) in msdc_of_property_parse() argument
2155 &host->latch_ck); in msdc_of_property_parse()
2158 &host->hs400_ds_delay); in msdc_of_property_parse()
2161 &host->hs200_cmd_int_delay); in msdc_of_property_parse()
2164 &host->hs400_cmd_int_delay); in msdc_of_property_parse()
2168 host->hs400_cmd_resp_sel_rising = true; in msdc_of_property_parse()
2170 host->hs400_cmd_resp_sel_rising = false; in msdc_of_property_parse()
2176 struct msdc_host *host; in msdc_drv_probe() local
2190 host = mmc_priv(mmc); in msdc_drv_probe()
2196 host->base = devm_ioremap_resource(&pdev->dev, res); in msdc_drv_probe()
2197 if (IS_ERR(host->base)) { in msdc_drv_probe()
2198 ret = PTR_ERR(host->base); in msdc_drv_probe()
2204 host->top_base = devm_ioremap_resource(&pdev->dev, res); in msdc_drv_probe()
2205 if (IS_ERR(host->top_base)) in msdc_drv_probe()
2206 host->top_base = NULL; in msdc_drv_probe()
2213 host->src_clk = devm_clk_get(&pdev->dev, "source"); in msdc_drv_probe()
2214 if (IS_ERR(host->src_clk)) { in msdc_drv_probe()
2215 ret = PTR_ERR(host->src_clk); in msdc_drv_probe()
2219 host->h_clk = devm_clk_get(&pdev->dev, "hclk"); in msdc_drv_probe()
2220 if (IS_ERR(host->h_clk)) { in msdc_drv_probe()
2221 ret = PTR_ERR(host->h_clk); in msdc_drv_probe()
2225 host->bus_clk = devm_clk_get(&pdev->dev, "bus_clk"); in msdc_drv_probe()
2226 if (IS_ERR(host->bus_clk)) in msdc_drv_probe()
2227 host->bus_clk = NULL; in msdc_drv_probe()
2229 host->src_clk_cg = devm_clk_get(&pdev->dev, "source_cg"); in msdc_drv_probe()
2230 if (IS_ERR(host->src_clk_cg)) in msdc_drv_probe()
2231 host->src_clk_cg = NULL; in msdc_drv_probe()
2233 host->irq = platform_get_irq(pdev, 0); in msdc_drv_probe()
2234 if (host->irq < 0) { in msdc_drv_probe()
2239 host->pinctrl = devm_pinctrl_get(&pdev->dev); in msdc_drv_probe()
2240 if (IS_ERR(host->pinctrl)) { in msdc_drv_probe()
2241 ret = PTR_ERR(host->pinctrl); in msdc_drv_probe()
2246 host->pins_default = pinctrl_lookup_state(host->pinctrl, "default"); in msdc_drv_probe()
2247 if (IS_ERR(host->pins_default)) { in msdc_drv_probe()
2248 ret = PTR_ERR(host->pins_default); in msdc_drv_probe()
2253 host->pins_uhs = pinctrl_lookup_state(host->pinctrl, "state_uhs"); in msdc_drv_probe()
2254 if (IS_ERR(host->pins_uhs)) { in msdc_drv_probe()
2255 ret = PTR_ERR(host->pins_uhs); in msdc_drv_probe()
2260 msdc_of_property_parse(pdev, host); in msdc_drv_probe()
2262 host->dev = &pdev->dev; in msdc_drv_probe()
2263 host->dev_comp = of_device_get_match_data(&pdev->dev); in msdc_drv_probe()
2264 host->mmc = mmc; in msdc_drv_probe()
2265 host->src_clk_freq = clk_get_rate(host->src_clk); in msdc_drv_probe()
2268 if (host->dev_comp->clk_div_bits == 8) in msdc_drv_probe()
2269 mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 255); in msdc_drv_probe()
2271 mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 4095); in msdc_drv_probe()
2275 host->dev_comp->use_internal_cd) { in msdc_drv_probe()
2280 host->internal_cd = true; in msdc_drv_probe()
2289 if (host->dev_comp->support_64g) in msdc_drv_probe()
2296 if (host->dev_comp->support_64g) in msdc_drv_probe()
2297 host->dma_mask = DMA_BIT_MASK(36); in msdc_drv_probe()
2299 host->dma_mask = DMA_BIT_MASK(32); in msdc_drv_probe()
2300 mmc_dev(mmc)->dma_mask = &host->dma_mask; in msdc_drv_probe()
2302 host->timeout_clks = 3 * 1048576; in msdc_drv_probe()
2303 host->dma.gpd = dma_alloc_coherent(&pdev->dev, in msdc_drv_probe()
2305 &host->dma.gpd_addr, GFP_KERNEL); in msdc_drv_probe()
2306 host->dma.bd = dma_alloc_coherent(&pdev->dev, in msdc_drv_probe()
2308 &host->dma.bd_addr, GFP_KERNEL); in msdc_drv_probe()
2309 if (!host->dma.gpd || !host->dma.bd) { in msdc_drv_probe()
2313 msdc_init_gpd_bd(host, &host->dma); in msdc_drv_probe()
2314 INIT_DELAYED_WORK(&host->req_timeout, msdc_request_timeout); in msdc_drv_probe()
2315 spin_lock_init(&host->lock); in msdc_drv_probe()
2318 msdc_ungate_clock(host); in msdc_drv_probe()
2319 msdc_init_hw(host); in msdc_drv_probe()
2321 ret = devm_request_irq(&pdev->dev, host->irq, msdc_irq, in msdc_drv_probe()
2322 IRQF_TRIGGER_NONE, pdev->name, host); in msdc_drv_probe()
2326 pm_runtime_set_active(host->dev); in msdc_drv_probe()
2327 pm_runtime_set_autosuspend_delay(host->dev, MTK_MMC_AUTOSUSPEND_DELAY); in msdc_drv_probe()
2328 pm_runtime_use_autosuspend(host->dev); in msdc_drv_probe()
2329 pm_runtime_enable(host->dev); in msdc_drv_probe()
2337 pm_runtime_disable(host->dev); in msdc_drv_probe()
2340 msdc_deinit_hw(host); in msdc_drv_probe()
2341 msdc_gate_clock(host); in msdc_drv_probe()
2343 if (host->dma.gpd) in msdc_drv_probe()
2346 host->dma.gpd, host->dma.gpd_addr); in msdc_drv_probe()
2347 if (host->dma.bd) in msdc_drv_probe()
2350 host->dma.bd, host->dma.bd_addr); in msdc_drv_probe()
2360 struct msdc_host *host; in msdc_drv_remove() local
2363 host = mmc_priv(mmc); in msdc_drv_remove()
2365 pm_runtime_get_sync(host->dev); in msdc_drv_remove()
2368 mmc_remove_host(host->mmc); in msdc_drv_remove()
2369 msdc_deinit_hw(host); in msdc_drv_remove()
2370 msdc_gate_clock(host); in msdc_drv_remove()
2372 pm_runtime_disable(host->dev); in msdc_drv_remove()
2373 pm_runtime_put_noidle(host->dev); in msdc_drv_remove()
2376 host->dma.gpd, host->dma.gpd_addr); in msdc_drv_remove()
2378 host->dma.bd, host->dma.bd_addr); in msdc_drv_remove()
2380 mmc_free_host(host->mmc); in msdc_drv_remove()
2386 static void msdc_save_reg(struct msdc_host *host) in msdc_save_reg() argument
2388 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_save_reg()
2390 host->save_para.msdc_cfg = readl(host->base + MSDC_CFG); in msdc_save_reg()
2391 host->save_para.iocon = readl(host->base + MSDC_IOCON); in msdc_save_reg()
2392 host->save_para.sdc_cfg = readl(host->base + SDC_CFG); in msdc_save_reg()
2393 host->save_para.patch_bit0 = readl(host->base + MSDC_PATCH_BIT); in msdc_save_reg()
2394 host->save_para.patch_bit1 = readl(host->base + MSDC_PATCH_BIT1); in msdc_save_reg()
2395 host->save_para.patch_bit2 = readl(host->base + MSDC_PATCH_BIT2); in msdc_save_reg()
2396 host->save_para.pad_ds_tune = readl(host->base + PAD_DS_TUNE); in msdc_save_reg()
2397 host->save_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE); in msdc_save_reg()
2398 host->save_para.emmc50_cfg0 = readl(host->base + EMMC50_CFG0); in msdc_save_reg()
2399 host->save_para.emmc50_cfg3 = readl(host->base + EMMC50_CFG3); in msdc_save_reg()
2400 host->save_para.sdc_fifo_cfg = readl(host->base + SDC_FIFO_CFG); in msdc_save_reg()
2401 if (host->top_base) { in msdc_save_reg()
2402 host->save_para.emmc_top_control = in msdc_save_reg()
2403 readl(host->top_base + EMMC_TOP_CONTROL); in msdc_save_reg()
2404 host->save_para.emmc_top_cmd = in msdc_save_reg()
2405 readl(host->top_base + EMMC_TOP_CMD); in msdc_save_reg()
2406 host->save_para.emmc50_pad_ds_tune = in msdc_save_reg()
2407 readl(host->top_base + EMMC50_PAD_DS_TUNE); in msdc_save_reg()
2409 host->save_para.pad_tune = readl(host->base + tune_reg); in msdc_save_reg()
2413 static void msdc_restore_reg(struct msdc_host *host) in msdc_restore_reg() argument
2415 u32 tune_reg = host->dev_comp->pad_tune_reg; in msdc_restore_reg()
2417 writel(host->save_para.msdc_cfg, host->base + MSDC_CFG); in msdc_restore_reg()
2418 writel(host->save_para.iocon, host->base + MSDC_IOCON); in msdc_restore_reg()
2419 writel(host->save_para.sdc_cfg, host->base + SDC_CFG); in msdc_restore_reg()
2420 writel(host->save_para.patch_bit0, host->base + MSDC_PATCH_BIT); in msdc_restore_reg()
2421 writel(host->save_para.patch_bit1, host->base + MSDC_PATCH_BIT1); in msdc_restore_reg()
2422 writel(host->save_para.patch_bit2, host->base + MSDC_PATCH_BIT2); in msdc_restore_reg()
2423 writel(host->save_para.pad_ds_tune, host->base + PAD_DS_TUNE); in msdc_restore_reg()
2424 writel(host->save_para.pad_cmd_tune, host->base + PAD_CMD_TUNE); in msdc_restore_reg()
2425 writel(host->save_para.emmc50_cfg0, host->base + EMMC50_CFG0); in msdc_restore_reg()
2426 writel(host->save_para.emmc50_cfg3, host->base + EMMC50_CFG3); in msdc_restore_reg()
2427 writel(host->save_para.sdc_fifo_cfg, host->base + SDC_FIFO_CFG); in msdc_restore_reg()
2428 if (host->top_base) { in msdc_restore_reg()
2429 writel(host->save_para.emmc_top_control, in msdc_restore_reg()
2430 host->top_base + EMMC_TOP_CONTROL); in msdc_restore_reg()
2431 writel(host->save_para.emmc_top_cmd, in msdc_restore_reg()
2432 host->top_base + EMMC_TOP_CMD); in msdc_restore_reg()
2433 writel(host->save_para.emmc50_pad_ds_tune, in msdc_restore_reg()
2434 host->top_base + EMMC50_PAD_DS_TUNE); in msdc_restore_reg()
2436 writel(host->save_para.pad_tune, host->base + tune_reg); in msdc_restore_reg()
2439 if (sdio_irq_claimed(host->mmc)) in msdc_restore_reg()
2440 __msdc_enable_sdio_irq(host, 1); in msdc_restore_reg()
2446 struct msdc_host *host = mmc_priv(mmc); in msdc_runtime_suspend() local
2448 msdc_save_reg(host); in msdc_runtime_suspend()
2449 msdc_gate_clock(host); in msdc_runtime_suspend()
2456 struct msdc_host *host = mmc_priv(mmc); in msdc_runtime_resume() local
2458 msdc_ungate_clock(host); in msdc_runtime_resume()
2459 msdc_restore_reg(host); in msdc_runtime_resume()