[06/12] hw/sd/sdcard: Add sd_acmd_SET_CLR_CARD_DETECT handler (ACMD42)

Commit Message

Philippe Mathieu-Daudé June 28, 2024, 4:53 a.m. UTC

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 hw/sd/sd.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 167e1c517a..a27a7e0f24 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -263,7 +263,6 @@  static const char *sd_acmd_name(SDState *sd, uint8_t cmd)
         [14] = "DPS_spec",                  [15] = "DPS_spec",
         [16] = "DPS_spec",
         [18] = "SECU_spec",
-        [42] = "SET_CLR_CARD_DETECT",
         [51] = "SEND_SCR",
         [52] = "SECU_spec",                 [53] = "SECU_spec",
         [54] = "SECU_spec",
@@ -1748,6 +1747,17 @@  static sd_rsp_type_t sd_acmd_SD_APP_OP_COND(SDState *sd, SDRequest req)
     return sd_r3;
 }
 
+/* ACMD42 */
+static sd_rsp_type_t sd_acmd_SET_CLR_CARD_DETECT(SDState *sd, SDRequest req)
+{
+    if (sd->state != sd_transfer_state) {
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+
+    /* Bringing in the 50KOhm pull-up resistor... Done.  */
+    return sd_r1;
+}
+
 static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 {
     uint64_t addr;
@@ -1856,17 +1866,6 @@  static sd_rsp_type_t sd_app_command(SDState *sd,
     }
 
     switch (req.cmd) {
-    case 42:  /* ACMD42: SET_CLR_CARD_DETECT */
-        switch (sd->state) {
-        case sd_transfer_state:
-            /* Bringing in the 50KOhm pull-up resistor... Done.  */
-            return sd_r1;
-
-        default:
-            break;
-        }
-        break;
-
     case 51:  /* ACMD51: SEND_SCR */
         switch (sd->state) {
         case sd_transfer_state:
@@ -2327,6 +2326,7 @@  static const SDProto sd_proto_spi = {
         [22] = {8,  sd_spi, "SEND_NUM_WR_BLOCKS", sd_acmd_SEND_NUM_WR_BLOCKS},
         [23] = {8,  sd_spi, "SET_WR_BLK_ERASE_COUNT", sd_acmd_SET_WR_BLK_ERASE_COUNT},
         [41] = {8,  sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
+        [42] = {8,  sd_spi, "SET_CLR_CARD_DETECT", sd_acmd_SET_CLR_CARD_DETECT},
     },
 };
 
@@ -2387,6 +2387,7 @@  static const SDProto sd_proto_sd = {
         [22] = {8,  sd_adtc, "SEND_NUM_WR_BLOCKS", sd_acmd_SEND_NUM_WR_BLOCKS},
         [23] = {8,  sd_ac,   "SET_WR_BLK_ERASE_COUNT", sd_acmd_SET_WR_BLK_ERASE_COUNT},
         [41] = {8,  sd_bcr,  "SD_APP_OP_COND", sd_acmd_SD_APP_OP_COND},
+        [42] = {8,  sd_ac,   "SET_CLR_CARD_DETECT", sd_acmd_SET_CLR_CARD_DETECT},
     },
 };