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sdio: add sdio_{read,write}_2

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This is equivalent of sdio_readw and sdio_writew in linuxkpi

Signed-off-by: Minsoo Choo <minsoochoo0122@proton.me>
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1951
This commit is contained in:
Minsoo Choo 2026-01-06 11:57:25 -05:00 • committed by Warner Losh
parent 930a1341d6
commit 2727bdebb3
2 changed files with 32 additions and 0 deletions
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30
sys/dev/sdio/sdio_subr.c
View file

@ -166,6 +166,36 @@ sdio_write_1(struct sdio_func *f, uint32_t addr, uint8_t val, int *err)
*err = error;
}
uint16_t
sdio_read_2(struct sdio_func *f, uint32_t addr, int *err)
{
int error;
uint16_t v;
error = SDIO_READ_EXTENDED(device_get_parent(f->dev), f->fn, addr,
sizeof(v), (uint8_t *)&v, true);
if (error) {
if (err != NULL)
*err = error;
return (0xffff);
} else {
if (err != NULL)
*err = 0;
return (le16toh(v));
}
}
void
sdio_write_2(struct sdio_func *f, uint32_t addr, uint16_t val, int *err)
{
int error;
error = SDIO_WRITE_EXTENDED(device_get_parent(f->dev), f->fn, addr,
sizeof(val), (uint8_t *)&val, true);
if (err != NULL)
*err = error;
}
uint32_t
sdio_read_4(struct sdio_func *f, uint32_t addr, int *err)
{

2
sys/dev/sdio/sdio_subr.h
View file

@ -95,6 +95,8 @@ int sdio_set_block_size(struct sdio_func *, uint16_t);
uint8_t sdio_read_1(struct sdio_func *, uint32_t, int *);
void sdio_write_1(struct sdio_func *, uint32_t, uint8_t, int *);
uint16_t sdio_read_2(struct sdio_func *, uint32_t, int *);
void sdio_write_2(struct sdio_func *, uint32_t, uint16_t, int *);
uint32_t sdio_read_4(struct sdio_func *, uint32_t, int *);
void sdio_write_4(struct sdio_func *, uint32_t, uint32_t, int *);