diff mbox series

[v42,54/98] hw/sd/sdcard: Add sd_cmd_GO_INACTIVE_STATE handler (CMD15)

Message ID 20240628070216.92609-55-philmd@linaro.org
State New
Headers show
Series hw/sd/sdcard: Add eMMC support | expand

Commit Message

Philippe Mathieu-Daudé June 28, 2024, 7:01 a.m. UTC 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

Comments

Cédric Le Goater June 28, 2024, 8 a.m. UTC | #1 
On 6/28/24 9:01 AM, Philippe Mathieu-Daudé wrote:
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>


Reviewed-by: Cédric Le Goater <clg@redhat.com>

Thanks,

C.


> ---
>   hw/sd/sd.c | 37 +++++++++++++++++++++++++------------
>   1 file changed, 25 insertions(+), 12 deletions(-)
> 
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index bb80d11f87..d7ed8aee73 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -240,7 +240,6 @@ static const char *sd_response_name(sd_rsp_type_t rsp)
>   static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
>   {
>       static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
> -                                            [15]    = "GO_INACTIVE_STATE",
>           [16]    = "SET_BLOCKLEN",           [17]    = "READ_SINGLE_BLOCK",
>           [18]    = "READ_MULTIPLE_BLOCK",
>                                               [21]    = "DPS_spec",
> @@ -1402,6 +1401,30 @@ static sd_rsp_type_t sd_cmd_SEND_STATUS(SDState *sd, SDRequest req)
>       return sd_req_rca_same(sd, req) ? sd_r1 : sd_r0;
>   }
>   
> +/* CMD15 */
> +static sd_rsp_type_t sd_cmd_GO_INACTIVE_STATE(SDState *sd, SDRequest req)
> +{
> +    if (sd->mode != sd_data_transfer_mode) {
> +        return sd_invalid_mode_for_cmd(sd, req);
> +    }
> +    switch (sd->state) {
> +    case sd_standby_state:
> +    case sd_transfer_state:
> +    case sd_sendingdata_state:
> +    case sd_receivingdata_state:
> +    case sd_programming_state:
> +    case sd_disconnect_state:
> +        break;
> +    default:
> +        return sd_invalid_state_for_cmd(sd, req);
> +    }
> +    if (sd_req_rca_same(sd, req)) {
> +        sd->state = sd_inactive_state;
> +    }
> +
> +    return sd_r0;
> +}
> +
>   /* CMD19 */
>   static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
>   {
> @@ -1467,17 +1490,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
>       }
>   
>       switch (req.cmd) {
> -    /* Basic commands (Class 0 and Class 1) */
> -    case 15:  /* CMD15:  GO_INACTIVE_STATE */
> -        if (sd->mode != sd_data_transfer_mode) {
> -            return sd_invalid_mode_for_cmd(sd, req);
> -        }
> -        rca = sd_req_get_rca(sd, req);
> -        if (sd->rca == rca) {
> -            sd->state = sd_inactive_state;
> -        }
> -        return sd_r0;
> -
>       /* Block read commands (Class 2) */
>       case 16:  /* CMD16:  SET_BLOCKLEN */
>           switch (sd->state) {
> @@ -2324,6 +2336,7 @@ static const SDProto sd_proto_sd = {
>           [11] = {0,  sd_ac,   "VOLTAGE_SWITCH", sd_cmd_optional},
>           [12] = {0,  sd_ac,   "STOP_TRANSMISSION", sd_cmd_STOP_TRANSMISSION},
>           [13] = {0,  sd_ac,   "SEND_STATUS", sd_cmd_SEND_STATUS},
> +        [15] = {0,  sd_ac,   "GO_INACTIVE_STATE", sd_cmd_GO_INACTIVE_STATE},
>           [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
>           [20] = {2,  sd_ac,   "SPEED_CLASS_CONTROL", sd_cmd_optional},
>           [23] = {2,  sd_ac,   "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT},
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index bb80d11f87..d7ed8aee73 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -240,7 +240,6 @@  static const char *sd_response_name(sd_rsp_type_t rsp)
 static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
 {
     static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
-                                            [15]    = "GO_INACTIVE_STATE",
         [16]    = "SET_BLOCKLEN",           [17]    = "READ_SINGLE_BLOCK",
         [18]    = "READ_MULTIPLE_BLOCK",
                                             [21]    = "DPS_spec",
@@ -1402,6 +1401,30 @@  static sd_rsp_type_t sd_cmd_SEND_STATUS(SDState *sd, SDRequest req)
     return sd_req_rca_same(sd, req) ? sd_r1 : sd_r0;
 }
 
+/* CMD15 */
+static sd_rsp_type_t sd_cmd_GO_INACTIVE_STATE(SDState *sd, SDRequest req)
+{
+    if (sd->mode != sd_data_transfer_mode) {
+        return sd_invalid_mode_for_cmd(sd, req);
+    }
+    switch (sd->state) {
+    case sd_standby_state:
+    case sd_transfer_state:
+    case sd_sendingdata_state:
+    case sd_receivingdata_state:
+    case sd_programming_state:
+    case sd_disconnect_state:
+        break;
+    default:
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+    if (sd_req_rca_same(sd, req)) {
+        sd->state = sd_inactive_state;
+    }
+
+    return sd_r0;
+}
+
 /* CMD19 */
 static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
 {
@@ -1467,17 +1490,6 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
     }
 
     switch (req.cmd) {
-    /* Basic commands (Class 0 and Class 1) */
-    case 15:  /* CMD15:  GO_INACTIVE_STATE */
-        if (sd->mode != sd_data_transfer_mode) {
-            return sd_invalid_mode_for_cmd(sd, req);
-        }
-        rca = sd_req_get_rca(sd, req);
-        if (sd->rca == rca) {
-            sd->state = sd_inactive_state;
-        }
-        return sd_r0;
-
     /* Block read commands (Class 2) */
     case 16:  /* CMD16:  SET_BLOCKLEN */
         switch (sd->state) {
@@ -2324,6 +2336,7 @@  static const SDProto sd_proto_sd = {
         [11] = {0,  sd_ac,   "VOLTAGE_SWITCH", sd_cmd_optional},
         [12] = {0,  sd_ac,   "STOP_TRANSMISSION", sd_cmd_STOP_TRANSMISSION},
         [13] = {0,  sd_ac,   "SEND_STATUS", sd_cmd_SEND_STATUS},
+        [15] = {0,  sd_ac,   "GO_INACTIVE_STATE", sd_cmd_GO_INACTIVE_STATE},
         [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
         [20] = {2,  sd_ac,   "SPEED_CLASS_CONTROL", sd_cmd_optional},
         [23] = {2,  sd_ac,   "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT},