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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2018-02-08 13:48:09 -0300
committerPaolo Bonzini <pbonzini@redhat.com>2018-02-13 16:15:08 +0100
commit0034ebe6ee3151e5c54fd13c6f441429bd2cdadf (patch)
tree2da682a7258b0b1796426a485ea1429e2803fb66 /include/hw/sd
parent238cd93567253e0126fbd0c0c3bc75aa43e46a5d (diff)
sdhci: implement UHS-I voltage switch
[based on a patch from Alistair Francis <alistair.francis@xilinx.com> from qemu/xilinx tag xilinx-v2015.2] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Message-Id: <20180208164818.7961-22-f4bug@amsat.org>
Diffstat (limited to 'include/hw/sd')
-rw-r--r--include/hw/sd/sd.h16
-rw-r--r--include/hw/sd/sdhci.h1
2 files changed, 17 insertions, 0 deletions
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index 96caefe373..f086679493 100644
--- a/include/hw/sd/sd.h
+++ b/include/hw/sd/sd.h
@@ -56,6 +56,20 @@
#define OCR_CCS_BITN 30
typedef enum {
+ SD_VOLTAGE_0_4V = 400, /* currently not supported */
+ SD_VOLTAGE_1_8V = 1800,
+ SD_VOLTAGE_3_0V = 3000,
+ SD_VOLTAGE_3_3V = 3300,
+} sd_voltage_mv_t;
+
+typedef enum {
+ UHS_NOT_SUPPORTED = 0,
+ UHS_I = 1,
+ UHS_II = 2, /* currently not supported */
+ UHS_III = 3, /* currently not supported */
+} sd_uhs_mode_t;
+
+typedef enum {
sd_none = -1,
sd_bc = 0, /* broadcast -- no response */
sd_bcr, /* broadcast with response */
@@ -88,6 +102,7 @@ typedef struct {
void (*write_data)(SDState *sd, uint8_t value);
uint8_t (*read_data)(SDState *sd);
bool (*data_ready)(SDState *sd);
+ void (*set_voltage)(SDState *sd, uint16_t millivolts);
void (*enable)(SDState *sd, bool enable);
bool (*get_inserted)(SDState *sd);
bool (*get_readonly)(SDState *sd);
@@ -134,6 +149,7 @@ void sd_enable(SDState *sd, bool enable);
/* Functions to be used by qdevified callers (working via
* an SDBus rather than directly with SDState)
*/
+void sdbus_set_voltage(SDBus *sdbus, uint16_t millivolts);
int sdbus_do_command(SDBus *sd, SDRequest *req, uint8_t *response);
void sdbus_write_data(SDBus *sd, uint8_t value);
uint8_t sdbus_read_data(SDBus *sd);
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index fd606e9928..f321767c56 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -96,6 +96,7 @@ typedef struct SDHCIState {
bool pending_insert_quirk; /* Quirk for Raspberry Pi card insert int */
uint32_t quirks;
uint8_t sd_spec_version;
+ uint8_t uhs_mode;
} SDHCIState;
/*