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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-06-24 13:00:08 +0200
committerCédric Le Goater <clg@kaod.org>2023-09-01 11:40:04 +0200
commit46859b6078bbd78c54693799f6ed1b90d1d5e565 (patch)
treee2d64abe08212c74b1ef8df1220d5967076e1ecf /hw/sd
parent1b4a234278f04ade4dd358224edc3defcd37fda7 (diff)
hw/sd: Introduce sd_cmd_handler type
Add 2 command handler arrays in SDProto, for CMD and ACMD. Have sd_normal_command() / sd_app_command() use these arrays: if an command handler is registered, call it, otherwise fall back to current code base. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-Id: <20210624142209.1193073-5-f4bug@amsat.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/sd')
-rw-r--r--hw/sd/sd.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index f6aa3b0a80..889c44a5c0 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -87,8 +87,12 @@ enum SDCardStates {
sd_disconnect_state,
};
+typedef sd_rsp_type_t (*sd_cmd_handler)(SDState *sd, SDRequest req);
+
typedef struct SDProto {
const char *name;
+ sd_cmd_handler cmd[SDMMC_CMD_MAX];
+ sd_cmd_handler acmd[SDMMC_CMD_MAX];
} SDProto;
struct SDState {
@@ -1031,6 +1035,10 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
return sd_illegal;
}
+ if (sd_proto(sd)->cmd[req.cmd]) {
+ return sd_proto(sd)->cmd[req.cmd](sd, req);
+ }
+
switch (req.cmd) {
/* Basic commands (Class 0 and Class 1) */
case 0: /* CMD0: GO_IDLE_STATE */
@@ -1575,6 +1583,11 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
trace_sdcard_app_command(sd_proto(sd)->name, sd_acmd_name(req.cmd),
req.cmd, req.arg, sd_state_name(sd->state));
sd->card_status |= APP_CMD;
+
+ if (sd_proto(sd)->acmd[req.cmd]) {
+ return sd_proto(sd)->acmd[req.cmd](sd, req);
+ }
+
switch (req.cmd) {
case 6: /* ACMD6: SET_BUS_WIDTH */
if (sd->spi) {