[sdio][dm] Support DM mode

1. Support features read by DM.
2. Support regulator API in drivers.
3. Support send tuning option CMD.
4. Replace `switch_uhs_voltage` by `signal_voltage_switch`.

Signed-off-by: GuEe-GUI <[email protected]>

Author: GuEe-GUI

bsp/hpmicro/libraries/drivers/drv_sdio.c

@@ -97,7 +97,7 @@ static hpm_stat_t hpm_sdmmc_transfer_polling(struct hpm_mmcsd *mmcsd, sdxc_adma_
 static hpm_stat_t hpm_sdmmc_transfer_interrupt_driven(struct hpm_mmcsd *mmcsd, sdxc_adma_config_t *dma_config, sdxc_xfer_t *xfer);
 static hpm_stat_t hpm_sdmmc_transfer(struct hpm_mmcsd *mmcsd, sdxc_adma_config_t *dma_config, sdxc_xfer_t *xfer);
 static rt_int32_t hpm_sdmmc_execute_tuning(struct rt_mmcsd_host *host, rt_int32_t opcode);
-static rt_int32_t hpm_sdmmc_switch_uhs_voltage(struct rt_mmcsd_host *host);
+static rt_err_t hpm_sdmmc_signal_voltage_switch(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cfg *io_cfg);
 
 static void hpm_sdmmc_power_on_via_pin(struct hpm_mmcsd *mmcsd);
 static void hpm_sdmmc_power_off_via_pin(struct hpm_mmcsd *mmcsd);
@@ -153,6 +153,11 @@ static void hpm_sdmmc_switch_to_1v8_via_pin(struct hpm_mmcsd *mmcsd)
 
 
 static rt_int32_t hpm_sdmmc_switch_uhs_voltage(struct rt_mmcsd_host *host)
+{
+
+}
+
+static rt_err_t hpm_sdmmc_signal_voltage_switch(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cfg *io_cfg)
 {
     struct hpm_mmcsd *mmcsd = (struct hpm_mmcsd *) host->private_data;
     SDXC_Type *base = mmcsd->sdxc_base;
@@ -174,9 +179,17 @@ static rt_int32_t hpm_sdmmc_switch_uhs_voltage(struct rt_mmcsd_host *host)
         return -RT_ETIMEOUT;
     }
 
-    /* 3. Switch to 1.8V */
-    hpm_sdmmc_switch_to_1v8_via_pin(mmcsd);
-    sdxc_select_voltage(mmcsd->sdxc_base, sdxc_bus_voltage_sd_1v8);
+    /* 3. Switch to 1.8V/3.3V */
+    if (ios->signal_voltage == MMCSD_SIGNAL_VOLTAGE_330)
+    {
+        hpm_sdmmc_switch_to_3v3_via_pin(mmcsd);
+        sdxc_select_voltage(mmcsd->sdxc_base, sdxc_bus_voltage_sd_3v3);
+    }
+    else
+    {
+        hpm_sdmmc_switch_to_1v8_via_pin(mmcsd);
+        sdxc_select_voltage(mmcsd->sdxc_base, sdxc_bus_voltage_sd_1v8);
+    }
 
     /* 4. spec:host delay 5ms,  host: give more delay time here */
     rt_thread_mdelay(10);
@@ -203,17 +216,14 @@ static rt_int32_t hpm_sdmmc_switch_uhs_voltage(struct rt_mmcsd_host *host)
     return RT_EOK;
 }
 
-
-
-
 static const struct rt_mmcsd_host_ops hpm_mmcsd_host_ops =
 {
     .request = hpm_sdmmc_request,
     .set_iocfg = hpm_sdmmc_set_iocfg,
     .get_card_status = NULL,
     .enable_sdio_irq = hpm_sdmmc_enable_sdio_irq,
     .execute_tuning = hpm_sdmmc_execute_tuning,
-    .switch_uhs_voltage = hpm_sdmmc_switch_uhs_voltage,
+    .signal_voltage_switch = hpm_sdmmc_signal_voltage_switch,
 };
 
 void hpm_sdmmc_isr(struct hpm_mmcsd *mmcsd)

components/drivers/include/drivers/dev_mmcsd_core.h

@@ -242,6 +242,12 @@ void mmcsd_set_bus_width(struct rt_mmcsd_host *host, rt_uint32_t width);
 void mmcsd_set_timing(struct rt_mmcsd_host *host, rt_uint32_t timing);
 void mmcsd_set_data_timeout(struct rt_mmcsd_data *data, const struct rt_mmcsd_card *card);
 rt_uint32_t mmcsd_select_voltage(struct rt_mmcsd_host *host, rt_uint32_t ocr);
+rt_err_t mmcsd_set_signal_voltage(struct rt_mmcsd_host *host, unsigned char signal_voltage);
+void mmcsd_set_initial_signal_voltage(struct rt_mmcsd_host *host);
+rt_err_t mmcsd_host_set_uhs_voltage(struct rt_mmcsd_host *host);
+rt_err_t mmcsd_set_uhs_voltage(struct rt_mmcsd_host *host, rt_uint32_t ocr);
+rt_err_t mmcsd_send_tuning(struct rt_mmcsd_host *host, rt_uint32_t opcode, rt_err_t *cmd_error);
+rt_err_t mmcsd_send_abort_tuning(struct rt_mmcsd_host *host, rt_uint32_t opcode);
 void mmcsd_change(struct rt_mmcsd_host *host);
 void mmcsd_detect(void *param);
 void mmcsd_host_init(struct rt_mmcsd_host *host);

components/drivers/include/drivers/mmcsd_host.h

@@ -76,6 +76,8 @@ struct rt_mmcsd_io_cfg
 #define MMCSD_SIGNAL_VOLTAGE_330    0
 #define MMCSD_SIGNAL_VOLTAGE_180    1
 #define MMCSD_SIGNAL_VOLTAGE_120    2
+
+    rt_bool_t       enhanced_strobe;
 };
 
 struct rt_mmcsd_host;
@@ -88,9 +90,23 @@ struct rt_mmcsd_host_ops
     rt_int32_t (*get_card_status)(struct rt_mmcsd_host *host);
     void (*enable_sdio_irq)(struct rt_mmcsd_host *host, rt_int32_t en);
     rt_int32_t (*execute_tuning)(struct rt_mmcsd_host *host, rt_int32_t opcode);
-    rt_int32_t (*switch_uhs_voltage)(struct rt_mmcsd_host *host);
+    rt_bool_t (*card_busy)(struct rt_mmcsd_host *host);
+    rt_err_t (*signal_voltage_switch)(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cfg *io_cfg);
 };
 
+#ifdef RT_USING_REGULATOR
+struct rt_regulator;
+
+struct rt_mmcsd_supply
+{
+    rt_bool_t vqmmc_enabled;
+    rt_bool_t regulator_enabled;
+
+    struct rt_regulator *vmmc;  /* Card power supply */
+    struct rt_regulator *vqmmc; /* Optional Vccq supply */
+};
+#endif /* RT_USING_REGULATOR */
+
 struct rt_mmcsd_host
 {
     char name[RT_NAME_MAX];
@@ -158,6 +174,13 @@ struct rt_mmcsd_host
     struct rt_semaphore    *sdio_irq_sem;
     struct rt_thread     *sdio_irq_thread;
 
+#ifdef RT_USING_REGULATOR
+    struct rt_mmcsd_supply supply;
+#endif
+#ifdef RT_USING_OFW
+    void *ofw_node;
+#endif
+
     void *private_data;
 };
 #ifdef __cplusplus

components/drivers/sdio/SConscript

@@ -1,23 +1,32 @@
-Import('RTT_ROOT')
 from building import *
 
+group = []
+objs = []
+
+if not GetDepend(['RT_USING_SDIO']):
+    Return('group')
+
 cwd = GetCurrentDir()
-src = Split("""
-dev_block.c
-dev_mmcsd_core.c
-dev_sd.c
-dev_sdio.c
-dev_mmc.c
-""")
+list = os.listdir(cwd)
+CPPPATH = [cwd + '/../include']
+
+src = ['dev_block.c', 'dev_mmcsd_core.c', 'dev_sd.c', 'dev_sdio.c', 'dev_mmc.c']
+
+if GetDepend(['RT_USING_DM']):
+    src += ['dev_sdio_dm.c']
+
+    if GetDepend('RT_USING_SDHCI'):
+        src += ['dev_sdhci.c', 'dev_sdhci_dm.c', 'dev_sdhci_host.c']
 
-# The set of source files associated with this SConscript file.
-path = [cwd + '/../include' , cwd + '/sdhci/include']
+    if GetDepend(['RT_USING_REGULATOR']):
+        src += ['dev_regulator.c']
 
-if GetDepend('RT_USING_SDHCI'):
-    src += [os.path.join('sdhci', 'sdhci.c')]
-    src += [os.path.join('sdhci', 'fit-mmc.c')]
-    src += [os.path.join('sdhci', 'sdhci-platform.c')]
+group = DefineGroup('DeviceDrivers', src, depend = [''], CPPPATH = CPPPATH)
 
-group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_SDIO'], CPPPATH = path)
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+objs = objs + group
 
-Return('group')
+Return('objs')