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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-08-14 11:23:40 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-08-21 16:35:35 +0200 |
| commit | c769a88d4475f648595c6a270d9d0b0f3f7f3740 (patch) | |
| tree | 65f24804ff8f5b242ddfc486832806fd0bc4a91a /include/hw/sd | |
| parent | 9006f1e706e0f41efdb62556cefe88d746add88a (diff) | |
| download | qemu-c769a88d4475f648595c6a270d9d0b0f3f7f3740.zip qemu-c769a88d4475f648595c6a270d9d0b0f3f7f3740.tar.gz qemu-c769a88d4475f648595c6a270d9d0b0f3f7f3740.tar.bz2 | |
hw/sd: Rename read/write_data() as read/write_byte()
The read/write_data() methods write do a single byte access
on the data line of a SD card. Rename them as read/write_byte().
Add some documentation (not in "hw/sd/sdcard_legacy.h" which we
are going to remove soon).
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200814092346.21825-2-f4bug@amsat.org>
Diffstat (limited to 'include/hw/sd')
| -rw-r--r-- | include/hw/sd/sd.h | 19 | ||||
| -rw-r--r-- | include/hw/sd/sdcard_legacy.h | 4 |
2 files changed, 19 insertions, 4 deletions
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h index 8767ab8..b58b5a1 100644 --- a/include/hw/sd/sd.h +++ b/include/hw/sd/sd.h @@ -104,8 +104,23 @@ typedef struct { /*< public >*/ int (*do_command)(SDState *sd, SDRequest *req, uint8_t *response); - void (*write_data)(SDState *sd, uint8_t value); - uint8_t (*read_data)(SDState *sd); + /** + * Write a byte to a SD card. + * @sd: card + * @value: byte to write + * + * Write a byte on the data lines of a SD card. + */ + void (*write_byte)(SDState *sd, uint8_t value); + /** + * Read a byte from a SD card. + * @sd: card + * + * Read a byte from the data lines of a SD card. + * + * Return: byte value read + */ + uint8_t (*read_byte)(SDState *sd); bool (*data_ready)(SDState *sd); void (*set_voltage)(SDState *sd, uint16_t millivolts); uint8_t (*get_dat_lines)(SDState *sd); diff --git a/include/hw/sd/sdcard_legacy.h b/include/hw/sd/sdcard_legacy.h index 8681f80..0dc3889 100644 --- a/include/hw/sd/sdcard_legacy.h +++ b/include/hw/sd/sdcard_legacy.h @@ -34,8 +34,8 @@ /* Legacy functions to be used only by non-qdevified callers */ SDState *sd_init(BlockBackend *blk, bool is_spi); int sd_do_command(SDState *card, SDRequest *request, uint8_t *response); -void sd_write_data(SDState *card, uint8_t value); -uint8_t sd_read_data(SDState *card); +void sd_write_byte(SDState *card, uint8_t value); +uint8_t sd_read_byte(SDState *card); void sd_set_cb(SDState *card, qemu_irq readonly, qemu_irq insert); /* sd_enable should not be used -- it is only used on the nseries boards, |