Add support to dwmmc for using driver model for MMC operations.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/mmc/dw_mmc.c | 33 +++++++++++++++++++++++++++++++++ include/dwmmc.h | 9 +++++++++ 2 files changed, 42 insertions(+)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 74a2663..3411f95 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -181,9 +181,16 @@ static int dwmci_set_transfer_mode(struct dwmci_host *host, return mode; }
+#ifdef CONFIG_DM_MMC_OPS +int dwmci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + struct mmc *mmc = mmc_get_mmc_dev(dev); +#else static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) { +#endif struct dwmci_host *host = mmc->priv; ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac, data ? DIV_ROUND_UP(data->blocks, 8) : 0); @@ -373,8 +380,14 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) return 0; }
+#ifdef CONFIG_DM_MMC_OPS +int dwmci_set_ios(struct udevice *dev) +{ + struct mmc *mmc = mmc_get_mmc_dev(dev); +#else static void dwmci_set_ios(struct mmc *mmc) { +#endif struct dwmci_host *host = (struct dwmci_host *)mmc->priv; u32 ctype, regs;
@@ -405,6 +418,9 @@ static void dwmci_set_ios(struct mmc *mmc)
if (host->clksel) host->clksel(host); +#ifdef CONFIG_DM_MMC_OPS + return 0; +#endif }
static int dwmci_init(struct mmc *mmc) @@ -448,17 +464,34 @@ static int dwmci_init(struct mmc *mmc) return 0; }
+#ifdef CONFIG_DM_MMC_OPS +int dwmci_probe(struct udevice *dev) +{ + struct mmc *mmc = mmc_get_mmc_dev(dev); + + return dwmci_init(mmc); +} + +const struct dm_mmc_ops dm_dwmci_ops = { + .send_cmd = dwmci_send_cmd, + .set_ios = dwmci_set_ios, +}; + +#else static const struct mmc_ops dwmci_ops = { .send_cmd = dwmci_send_cmd, .set_ios = dwmci_set_ios, .init = dwmci_init, }; +#endif
void dwmci_setup_cfg(struct mmc_config *cfg, const char *name, int buswidth, uint caps, u32 max_clk, u32 min_clk) { cfg->name = name; +#ifndef CONFIG_DM_MMC_OPS cfg->ops = &dwmci_ops; +#endif cfg->f_min = min_clk; cfg->f_max = max_clk;
diff --git a/include/dwmmc.h b/include/dwmmc.h index 0199def..6aebe96 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -293,4 +293,13 @@ int dwmci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg); int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk); #endif /* !CONFIG_BLK */
+#ifdef CONFIG_DM_MMC_OPS +/* Export the operations to drivers */ +int dwmci_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, + struct mmc_data *data); +int dwmci_set_ios(struct udevice *dev); +int dwmci_probe(struct udevice *dev); +extern const struct dm_mmc_ops dm_dwmci_ops; +#endif + #endif /* __DWMMC_HW_H */