[PULL 41/67] hw/sd/sdcard: Add sd_cmd_SWITCH_FUNCTION handler (CMD6)

[Philippe Mathieu-Daudé]

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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: <20240628070216.92609-48-philmd@linaro.org>
---
 hw/sd/sd.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 54b9ec72e4..5aa63f732f 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -237,7 +237,7 @@ 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] = {
-         [6]    = "SWITCH_FUNC",             [7]    = "SELECT/DESELECT_CARD",
+                                             [7]    = "SELECT/DESELECT_CARD",
          [8]    = "SEND_IF_COND",            [9]    = "SEND_CSD",
         [10]    = "SEND_CID",
         [12]    = "STOP_TRANSMISSION",      [13]    = "SEND_STATUS",
@@ -1236,6 +1236,20 @@ static sd_rsp_type_t sd_cmd_SEND_RELATIVE_ADDR(SDState 
*sd, SDRequest req)
     }
 }
 
+/* CMD6 */
+static sd_rsp_type_t sd_cmd_SWITCH_FUNCTION(SDState *sd, SDRequest req)
+{
+    if (sd->mode != sd_data_transfer_mode) {
+        return sd_invalid_mode_for_cmd(sd, req);
+    }
+    if (sd->state != sd_transfer_state) {
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+
+    sd_function_switch(sd, req.arg);
+    return sd_cmd_to_sendingdata(sd, req, 0, NULL, 64);
+}
+
 /* CMD19 */
 static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
 {
@@ -1302,17 +1316,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
SDRequest req)
 
     switch (req.cmd) {
     /* Basic commands (Class 0 and Class 1) */
-    case 6:  /* CMD6:   SWITCH_FUNCTION */
-        if (sd->mode != sd_data_transfer_mode) {
-            return sd_invalid_mode_for_cmd(sd, req);
-        }
-        if (sd->state != sd_transfer_state) {
-            return sd_invalid_state_for_cmd(sd, req);
-        }
-
-        sd_function_switch(sd, req.arg);
-        return sd_cmd_to_sendingdata(sd, req, 0, NULL, 64);
-
     case 7:  /* CMD7:   SELECT/DESELECT_CARD */
         rca = sd_req_get_rca(sd, req);
         switch (sd->state) {
@@ -2268,6 +2271,7 @@ static const SDProto sd_proto_spi = {
         [0]  = {0,  sd_spi, "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
         [1]  = {0,  sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
         [5]  = {9,  sd_spi, "IO_SEND_OP_COND", sd_cmd_optional},
+        [6]  = {10, sd_spi, "SWITCH_FUNCTION", sd_cmd_SWITCH_FUNCTION},
         [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},
@@ -2290,6 +2294,7 @@ static const SDProto sd_proto_sd = {
         [3]  = {0,  sd_bcr,  "SEND_RELATIVE_ADDR", sd_cmd_SEND_RELATIVE_ADDR},
         [4]  = {0,  sd_bc,   "SEND_DSR", sd_cmd_unimplemented},
         [5]  = {9,  sd_bc,   "IO_SEND_OP_COND", sd_cmd_optional},
+        [6]  = {10, sd_adtc, "SWITCH_FUNCTION", sd_cmd_SWITCH_FUNCTION},
         [11] = {0,  sd_ac,   "VOLTAGE_SWITCH", sd_cmd_optional},
         [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
         [20] = {2,  sd_ac,   "SPEED_CLASS_CONTROL", sd_cmd_optional},
-- 
2.41.0