diff options
| author | Luciano Coelho <luciano.coelho@nokia.com> | 2009-06-12 15:15:41 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-10 22:57:45 +0400 |
| commit | 052a625a859ceba68022862eeee70511f56483a5 (patch) | |
| tree | 12650ed57e0a64230073e9730b15c220335bf1b4 | |
| parent | 27797d68f70b28e77e6d183910dc7b3d7505105d (diff) | |
| download | linux-052a625a859ceba68022862eeee70511f56483a5.tar.xz | |
wl12xx: add support for fixed address in wl12xx_spi_read
In the wl1271 implementation, we need to read memory from the register
partition using fixed addresses. This change adds the possibility to request
fixed address when calling wl12xx_spi_read() or wl12xx_spi_reg_read().
Signed-off-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>
| -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 0d2b13a550e6..c3d5b7378610 100644 --- a/drivers/net/wireless/wl12xx/spi.c +++ b/drivers/net/wireless/wl12xx/spi.c @@ -258,7 +258,7 @@ int wl12xx_set_partition(struct wl12xx *wl, } void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, - size_t len) + size_t len, bool fixed) { struct spi_transfer t[3]; struct spi_message m; @@ -273,6 +273,9 @@ void wl12xx_spi_read(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)); @@ -335,7 +338,7 @@ void wl12xx_spi_mem_read(struct wl12xx *wl, int addr, void *buf, physical = wl12xx_translate_mem_addr(wl, addr); - wl12xx_spi_read(wl, physical, buf, len); + wl12xx_spi_read(wl, physical, buf, len, false); } void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, @@ -348,13 +351,14 @@ void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, wl12xx_spi_write(wl, physical, buf, len); } -void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len) +void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len, + bool fixed) { int physical; physical = wl12xx_translate_reg_addr(wl, addr); - wl12xx_spi_read(wl, physical, buf, len); + wl12xx_spi_read(wl, physical, buf, len, fixed); } void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf, size_t len) diff --git a/drivers/net/wireless/wl12xx/spi.h b/drivers/net/wireless/wl12xx/spi.h index 0996e48af9f9..30f9098925f2 100644 --- a/drivers/net/wireless/wl12xx/spi.h +++ b/drivers/net/wireless/wl12xx/spi.h @@ -71,8 +71,9 @@ /* Raw target IO, address is not translated */ -void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, size_t len); void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, size_t len); +void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, + size_t len, bool fixed); /* Memory target IO, address is tranlated to partition 0 */ void wl12xx_spi_mem_read(struct wl12xx *wl, int addr, void *buf, size_t len); @@ -81,7 +82,8 @@ u32 wl12xx_mem_read32(struct wl12xx *wl, int addr); 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); +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); u32 wl12xx_reg_read32(struct wl12xx *wl, int addr); void wl12xx_reg_write32(struct wl12xx *wl, int addr, u32 val); @@ -95,7 +97,8 @@ int wl12xx_set_partition(struct wl12xx *wl, static inline u32 wl12xx_read32(struct wl12xx *wl, int addr) { - wl12xx_spi_read(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32)); + wl12xx_spi_read(wl, addr, &wl->buffer_32, + sizeof(wl->buffer_32), false); return wl->buffer_32; } |