diff options
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-firmware.c')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-firmware.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c index df9d50a75542..e1a7823d82cd 100644 --- a/drivers/media/video/cx25840/cx25840-firmware.c +++ b/drivers/media/video/cx25840/cx25840-firmware.c @@ -15,7 +15,6 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - #include <linux/module.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> @@ -38,7 +37,7 @@ module_param(firmware, charp, 0444); MODULE_PARM_DESC(fastfw, "Load firmware fast [0=100MHz 1=333MHz (default)]"); MODULE_PARM_DESC(firmware, "Firmware image [default: " FWFILE "]"); -static inline void set_i2c_delay(struct i2c_client *client, int delay) +static void set_i2c_delay(struct i2c_client *client, int delay) { struct i2c_algo_bit_data *algod = client->adapter->algo_data; @@ -52,7 +51,7 @@ static inline void set_i2c_delay(struct i2c_client *client, int delay) } } -static inline void start_fw_load(struct i2c_client *client) +static void start_fw_load(struct i2c_client *client) { /* DL_ADDR_LB=0 DL_ADDR_HB=0 */ cx25840_write(client, 0x800, 0x00); @@ -66,7 +65,7 @@ static inline void start_fw_load(struct i2c_client *client) set_i2c_delay(client, 3); } -static inline void end_fw_load(struct i2c_client *client) +static void end_fw_load(struct i2c_client *client) { if (fastfw) set_i2c_delay(client, 10); @@ -77,38 +76,47 @@ static inline void end_fw_load(struct i2c_client *client) cx25840_write(client, 0x803, 0x03); } -static inline int check_fw_load(struct i2c_client *client, int size) +static int check_fw_load(struct i2c_client *client, int size) { /* DL_ADDR_HB DL_ADDR_LB */ int s = cx25840_read(client, 0x801) << 8; s |= cx25840_read(client, 0x800); if (size != s) { - cx25840_err("firmware %s load failed\n", firmware); + v4l_err(client, "firmware %s load failed\n", firmware); return -EINVAL; } - cx25840_info("loaded %s firmware (%d bytes)\n", firmware, size); + v4l_info(client, "loaded %s firmware (%d bytes)\n", firmware, size); return 0; } -static inline int fw_write(struct i2c_client *client, u8 * data, int size) +static int fw_write(struct i2c_client *client, u8 * data, int size) { - if (i2c_master_send(client, data, size) < size) { + int sent; + + if ((sent = i2c_master_send(client, data, size)) < size) { if (fastfw) { - cx25840_err("333MHz i2c firmware load failed\n"); + v4l_err(client, "333MHz i2c firmware load failed\n"); fastfw = 0; set_i2c_delay(client, 10); + if (sent > 2) { + u16 dl_addr = cx25840_read(client, 0x801) << 8; + dl_addr |= cx25840_read(client, 0x800); + dl_addr -= sent - 2; + cx25840_write(client, 0x801, dl_addr >> 8); + cx25840_write(client, 0x800, dl_addr & 0xff); + } + if (i2c_master_send(client, data, size) < size) { - cx25840_err - ("100MHz i2c firmware load failed\n"); + v4l_err(client, "100MHz i2c firmware load failed\n"); return -ENOSYS; } } else { - cx25840_err("firmware load i2c failure\n"); + v4l_err(client, "firmware load i2c failure\n"); return -ENOSYS; } @@ -124,7 +132,7 @@ int cx25840_loadfw(struct i2c_client *client) int size, send, retval; if (request_firmware(&fw, firmware, FWDEV(client)) != 0) { - cx25840_err("unable to open firmware %s\n", firmware); + v4l_err(client, "unable to open firmware %s\n", firmware); return -EINVAL; } |
