[PULL 47/67] hw/sd/sdcard: Add sd_cmd_SEND_STATUS handler (CMD13)

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240628070216.92609-54-philmd@linaro.org>
---
 hw/sd/sd.c | 40 ++++++++++++++++++++++++++++------------
 1 file changed, 28 insertions(+), 12 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 0a554d30a2..426144c659 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -237,7 +237,6 @@ 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] = {
-                                            [13]    = "SEND_STATUS",
                                             [15]    = "GO_INACTIVE_STATE",
         [16]    = "SET_BLOCKLEN",           [17]    = "READ_SINGLE_BLOCK",
         [18]    = "READ_MULTIPLE_BLOCK",
@@ -1369,6 +1368,32 @@ static sd_rsp_type_t sd_cmd_STOP_TRANSMISSION(SDState 
*sd, SDRequest req)
     }
 }
 
+/* CMD13 */
+static sd_rsp_type_t sd_cmd_SEND_STATUS(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_is_spi(sd)) {
+        return sd_r2_s;
+    }
+
+    return sd_req_rca_same(sd, req) ? sd_r1 : sd_r0;
+}
+
 /* CMD19 */
 static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
 {
@@ -1435,17 +1460,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
SDRequest req)
 
     switch (req.cmd) {
     /* Basic commands (Class 0 and Class 1) */
-    case 13:  /* CMD13:  SEND_STATUS */
-        rca = sd_req_get_rca(sd, req);
-        if (sd->mode != sd_data_transfer_mode) {
-            return sd_invalid_mode_for_cmd(sd, req);
-        }
-        if (!sd_is_spi(sd) && sd->rca != rca) {
-            return sd_r0;
-        }
-
-        return sd_r1;
-
     case 15:  /* CMD15:  GO_INACTIVE_STATE */
         if (sd->mode != sd_data_transfer_mode) {
             return sd_invalid_mode_for_cmd(sd, req);
@@ -2281,6 +2295,7 @@ static const SDProto sd_proto_spi = {
         [9]  = {0,  sd_spi, "SEND_CSD", spi_cmd_SEND_CSD},
         [10] = {0,  sd_spi, "SEND_CID", spi_cmd_SEND_CID},
         [12] = {0,  sd_spi, "STOP_TRANSMISSION", sd_cmd_STOP_TRANSMISSION},
+        [13] = {0,  sd_spi, "SEND_STATUS", sd_cmd_SEND_STATUS},
         [34] = {10, sd_spi, "READ_SEC_CMD", sd_cmd_optional},
         [35] = {10, sd_spi, "WRITE_SEC_CMD", sd_cmd_optional},
         [36] = {10, sd_spi, "SEND_PSI", sd_cmd_optional},
@@ -2310,6 +2325,7 @@ static const SDProto sd_proto_sd = {
         [10] = {0,  sd_ac,   "SEND_CID", sd_cmd_SEND_CID},
         [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},
         [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},
-- 
2.41.0