diff options
Diffstat (limited to 'drivers/media/dvb/mantis/mantis_ioc.c')
-rw-r--r-- | drivers/media/dvb/mantis/mantis_ioc.c | 42 |
1 files changed, 14 insertions, 28 deletions
diff --git a/drivers/media/dvb/mantis/mantis_ioc.c b/drivers/media/dvb/mantis/mantis_ioc.c index 4700088f0388..448e2c3e3445 100644 --- a/drivers/media/dvb/mantis/mantis_ioc.c +++ b/drivers/media/dvb/mantis/mantis_ioc.c @@ -36,13 +36,14 @@ #include "mantis_reg.h" #include "mantis_ioc.h" -static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length) +static int read_eeprom_bytes(struct mantis_pci *mantis, u8 reg, u8 *data, u8 length) { struct i2c_adapter *adapter = &mantis->adapter; - int err; + u8 buf = reg; + struct i2c_msg msg[] = { - { .addr = 0x50, .flags = 0, .buf = data, .len = 1 }, + { .addr = 0x50, .flags = 0, .buf = &buf, .len = 1 }, { .addr = 0x50, .flags = I2C_M_RD, .buf = data, .len = length }, }; @@ -56,32 +57,12 @@ static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length) return 0; } - -static int write_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length) -{ - struct i2c_adapter *adapter = &mantis->adapter; - int err; - - struct i2c_msg msg = { .addr = 0x50, .flags = 0, .buf = data, .len = length }; - - err = i2c_transfer(adapter, &msg, 1); - if (err < 0) { - dprintk(MANTIS_ERROR, 1, "ERROR: i2c write: < err=%i length=0x%02x d0=0x%02x, d1=0x%02x >", - err, length, data[0], data[1]); - - return err; - } - - return 0; -} - int mantis_get_mac(struct mantis_pci *mantis) { int err; + u8 mac_addr[6] = {0}; - mantis->mac_address[0] = 0x08; - - err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6); + err = read_eeprom_bytes(mantis, 0x08, mac_addr, 6); if (err < 0) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis EEPROM read error <%d>", err); @@ -90,9 +71,12 @@ int mantis_get_mac(struct mantis_pci *mantis) dprintk(MANTIS_ERROR, 0, " MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]\n", - mantis->mac_address[0], mantis->mac_address[1], - mantis->mac_address[2], mantis->mac_address[3], - mantis->mac_address[4], mantis->mac_address[5]); + mac_addr[0], + mac_addr[1], + mac_addr[2], + mac_addr[3], + mac_addr[4], + mac_addr[5]); return 0; } @@ -103,12 +87,14 @@ void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value) { u32 cur; + dprintk(MANTIS_DEBUG, 1, "Set Bit <%d> to <%d>", bitpos, value); cur = mmread(MANTIS_GPIF_ADDR); if (value) mantis->gpio_status = cur | (1 << bitpos); else mantis->gpio_status = cur & (~(1 << bitpos)); + dprintk(MANTIS_DEBUG, 1, "GPIO Value <%02x>", mantis->gpio_status); mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR); mmwrite(0x00, MANTIS_GPIF_DOUT); } |