[06/21] hw/sd/sdcard: Add sd_cmd_STOP_TRANSMISSION handler (CMD12)

Commit Message

Philippe Mathieu-Daudé June 27, 2024, 4:43 p.m. UTC

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 hw/sd/sd.c | 38 ++++++++++++++++++++------------------
 1 file changed, 20 insertions(+), 18 deletions(-)

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 564e08709b..1c092ab43c 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -240,7 +240,7 @@  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] = {
-        [12]    = "STOP_TRANSMISSION",      [13]    = "SEND_STATUS",
+                                            [13]    = "SEND_STATUS",
                                             [15]    = "GO_INACTIVE_STATE",
         [16]    = "SET_BLOCKLEN",           [17]    = "READ_SINGLE_BLOCK",
         [18]    = "READ_MULTIPLE_BLOCK",
@@ -1360,6 +1360,23 @@  static sd_rsp_type_t sd_cmd_SEND_CID(SDState *sd, SDRequest req)
     return sd_req_rca_same(sd, req) ? sd_r2_i : sd_r0;
 }
 
+/* CMD12 */
+static sd_rsp_type_t sd_cmd_STOP_TRANSMISSION(SDState *sd, SDRequest req)
+{
+    switch (sd->state) {
+    case sd_sendingdata_state:
+        sd->state = sd_transfer_state;
+        return sd_r1b;
+    case sd_receivingdata_state:
+        sd->state = sd_programming_state;
+        /* Bzzzzzzztt .... Operation complete.  */
+        sd->state = sd_transfer_state;
+        return sd_r1;
+    default:
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+}
+
 /* CMD19 */
 static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
 {
@@ -1426,23 +1443,6 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 
     switch (req.cmd) {
     /* Basic commands (Class 0 and Class 1) */
-    case 12:  /* CMD12:  STOP_TRANSMISSION */
-        switch (sd->state) {
-        case sd_sendingdata_state:
-            sd->state = sd_transfer_state;
-            return sd_r1b;
-
-        case sd_receivingdata_state:
-            sd->state = sd_programming_state;
-            /* Bzzzzzzztt .... Operation complete.  */
-            sd->state = sd_transfer_state;
-            return sd_r1b;
-
-        default:
-            break;
-        }
-        break;
-
     case 13:  /* CMD13:  SEND_STATUS */
         rca = sd_req_get_rca(sd, req);
         if (sd->mode != sd_data_transfer_mode) {
@@ -2278,6 +2278,7 @@  static const SDProto sd_proto_spi = {
         [8]  = {0,  sd_spi, "SEND_IF_COND", sd_cmd_SEND_IF_COND},
         [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},
         [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},
@@ -2306,6 +2307,7 @@  static const SDProto sd_proto_sd = {
         [9]  = {0,  sd_ac,   "SEND_CSD", sd_cmd_SEND_CSD},
         [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},
         [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},