diff options
| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2009-06-12 11:16:00 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-10 18:57:46 (GMT) |
| commit | 8ec8beb28361864c82153fec5ddb82c9d636430f (patch) | |
| tree | e9a438b0b6dbb170ba738e3e6c23a7d7160abc8c /drivers/net | |
| parent | 9f2ad4fb52916e58a1b75e9a30f42638655932d3 (diff) | |
| download | linux-fsl-qoriq-8ec8beb28361864c82153fec5ddb82c9d636430f.tar.xz | |
wl12xx: Add support for block reading from a fixed register address
Add support for block reading (multiple bytes) from a fixed chipset
register address. This is required for the wl1271 TX data path.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/wl12xx/spi.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/spi.h | 9 |
2 files changed, 14 insertions, 7 deletions
diff --git a/drivers/net/wireless/wl12xx/spi.c b/drivers/net/wireless/wl12xx/spi.c index c3d5b73..9c9943f 100644 --- a/drivers/net/wireless/wl12xx/spi.c +++ b/drivers/net/wireless/wl12xx/spi.c @@ -301,7 +301,7 @@ void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, } void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, - size_t len) + size_t len, bool fixed) { struct spi_transfer t[2]; struct spi_message m; @@ -314,6 +314,9 @@ void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; *cmd |= addr & WSPI_CMD_BYTE_ADDR; + if (fixed) + *cmd |= WSPI_CMD_FIXED; + spi_message_init(&m); memset(t, 0, sizeof(t)); @@ -348,7 +351,7 @@ void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, physical = wl12xx_translate_mem_addr(wl, addr); - wl12xx_spi_write(wl, physical, buf, len); + wl12xx_spi_write(wl, physical, buf, len, false); } void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len, @@ -361,13 +364,14 @@ void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len, wl12xx_spi_read(wl, physical, buf, len, fixed); } -void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf, size_t len) +void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf, size_t len, + bool fixed) { int physical; physical = wl12xx_translate_reg_addr(wl, addr); - wl12xx_spi_write(wl, physical, buf, len); + wl12xx_spi_write(wl, physical, buf, len, fixed); } u32 wl12xx_mem_read32(struct wl12xx *wl, int addr) diff --git a/drivers/net/wireless/wl12xx/spi.h b/drivers/net/wireless/wl12xx/spi.h index 30f9098..e48a552 100644 --- a/drivers/net/wireless/wl12xx/spi.h +++ b/drivers/net/wireless/wl12xx/spi.h @@ -71,7 +71,8 @@ /* Raw target IO, address is not translated */ -void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, size_t len); +void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, + size_t len, bool fixed); void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, size_t len, bool fixed); @@ -84,7 +85,8 @@ void wl12xx_mem_write32(struct wl12xx *wl, int addr, u32 val); /* Registers IO */ void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len, bool fixed); -void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf,size_t len); +void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf, size_t len, + bool fixed); u32 wl12xx_reg_read32(struct wl12xx *wl, int addr); void wl12xx_reg_write32(struct wl12xx *wl, int addr, u32 val); @@ -106,7 +108,8 @@ static inline u32 wl12xx_read32(struct wl12xx *wl, int addr) static inline void wl12xx_write32(struct wl12xx *wl, int addr, u32 val) { wl->buffer_32 = val; - wl12xx_spi_write(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32)); + wl12xx_spi_write(wl, addr, &wl->buffer_32, + sizeof(wl->buffer_32), false); } #endif /* __WL12XX_SPI_H__ */ |