[U-Boot] [PATCH 11/27] dm: mmc: dwmmc: Support CONFIG_DM_MMC_OPS

[Simon Glass]

Add support to dwmmc for using driver model for MMC operations.

Signed-off-by: Simon Glass <s...@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 */
-- 
2.8.0.rc3.226.g39d4020

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