static int attach_inform(struct i2c_client *client)
{
struct saa7134_dev *dev = client->adapter->algo_data;
int tuner = dev->tuner_type;
int conf = dev->tda9887_conf;
struct tuner_setup tun_setup;
d1printk( "%s i2c attach [addr=0x%x,client=%s]\n",
client->driver->driver.name, client->addr, client->name);
/* Am I an i2c remote control? */
switch (client->addr) {
case 0x7a:
case 0x47:
{
struct IR_i2c *ir = i2c_get_clientdata(client);
d1printk("%s i2c IR detected (%s).\n",
client->driver->driver.name, ir->phys);
saa7134_set_i2c_ir(dev,ir);
break;
}
}
if (!client->driver->command)
return 0;
if (saa7134_boards[dev->board].radio_type != UNSET) {
tun_setup.type = saa7134_boards[dev->board].radio_type;
tun_setup.addr = saa7134_boards[dev->board].radio_addr;
if ((tun_setup.addr == ADDR_UNSET) || (tun_setup.addr == client->addr)) {
tun_setup.mode_mask = T_RADIO;
client->driver->command(client, TUNER_SET_TYPE_ADDR, &tun_setup);
}
}
if (tuner != UNSET) {
tun_setup.type = tuner;
tun_setup.addr = saa7134_boards[dev->board].tuner_addr;
if ((tun_setup.addr == ADDR_UNSET)||(tun_setup.addr == client->addr)) {
tun_setup.mode_mask = T_ANALOG_TV;
client->driver->command(client,TUNER_SET_TYPE_ADDR, &tun_setup);
}
}
client->driver->command(client, TDA9887_SET_CONFIG, &conf);
return 0;
}
static int attach_inform(struct i2c_client *client)
{
struct saa7134_dev *dev = client->adapter->algo_data;
int tuner = dev->tuner_type;
int conf = dev->tda9887_conf;
struct tuner_setup tun_setup;
d1printk( "%s i2c attach [addr=0x%x,client=%s]\n",
client->driver->name,client->addr,i2c_clientname(client));
if (!client->driver->command)
return 0;
if (saa7134_boards[dev->board].radio_type != UNSET) {
tun_setup.type = saa7134_boards[dev->board].radio_type;
tun_setup.addr = saa7134_boards[dev->board].radio_addr;
if ((tun_setup.addr == ADDR_UNSET) || (tun_setup.addr == client->addr)) {
tun_setup.mode_mask = T_RADIO;
client->driver->command(client, TUNER_SET_TYPE_ADDR, &tun_setup);
}
}
if (tuner != UNSET) {
tun_setup.type = tuner;
tun_setup.addr = saa7134_boards[dev->board].tuner_addr;
if ((tun_setup.addr == ADDR_UNSET)||(tun_setup.addr == client->addr)) {
tun_setup.mode_mask = T_ANALOG_TV;
client->driver->command(client,TUNER_SET_TYPE_ADDR, &tun_setup);
}
}
client->driver->command(client, TDA9887_SET_CONFIG, &conf);
return 0;
}
static int saa7134_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
struct saa7134_dev *dev = i2c_adap->algo_data;
enum i2c_status status;
unsigned char data;
int addr,rc,i,byte;
status = i2c_get_status(dev);
if (!i2c_is_idle(status))
if (!i2c_reset(dev))
return -EIO;
d2printk("start xfer\n");
d1printk(KERN_DEBUG "%s: i2c xfer:",dev->name);
for (i = 0; i < num; i++) {
if (!(msgs[i].flags & I2C_M_NOSTART) || 0 == i) {
/* send address */
d2printk("send address\n");
addr = msgs[i].addr << 1;
if (msgs[i].flags & I2C_M_RD)
addr |= 1;
if (i > 0 && msgs[i].flags & I2C_M_RD) {
/* workaround for a saa7134 i2c bug
* needed to talk to the mt352 demux
* thanks to pinnacle for the hint */
int quirk = 0xfd;
d1printk(" [%02x quirk]",quirk);
i2c_send_byte(dev,START,quirk);
i2c_recv_byte(dev);
}
d1printk(" < %02x", addr);
rc = i2c_send_byte(dev,START,addr);
if (rc < 0)
goto err;
}
if (msgs[i].flags & I2C_M_RD) {
/* read bytes */
d2printk("read bytes\n");
for (byte = 0; byte < msgs[i].len; byte++) {
d1printk(" =");
rc = i2c_recv_byte(dev);
if (rc < 0)
goto err;
d1printk("%02x", rc);
msgs[i].buf[byte] = rc;
}
} else {
/* write bytes */
d2printk("write bytes\n");
for (byte = 0; byte < msgs[i].len; byte++) {
data = msgs[i].buf[byte];
d1printk(" %02x", data);
rc = i2c_send_byte(dev,CONTINUE,data);
if (rc < 0)
goto err;
}
}
}
d2printk("xfer done\n");
d1printk(" >");
i2c_set_attr(dev,STOP);
rc = -EIO;
if (!i2c_is_busy_wait(dev))
goto err;
status = i2c_get_status(dev);
if (i2c_is_error(status))
goto err;
/* ensure that the bus is idle for at least one bit slot */
msleep(1);
d1printk("\n");
return num;
err:
if (1 == i2c_debug) {
status = i2c_get_status(dev);
printk(" ERROR: %s\n",str_i2c_status[status]);
}
return rc;
}
static int saa7134_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
struct saa7134_dev *dev = i2c_adap->algo_data;
enum i2c_status status;
unsigned char data;
int addr,rc,i,byte;
status = i2c_get_status(dev);
if (!i2c_is_idle(status))
if (!i2c_reset(dev))
return -EIO;
d2printk("start xfer\n");
d1printk(KERN_DEBUG "%s: i2c xfer:",dev->name);
for (i = 0; i < num; i++) {
if (!(msgs[i].flags & I2C_M_NOSTART) || 0 == i) {
d2printk("send address\n");
addr = msgs[i].addr << 1;
if (msgs[i].flags & I2C_M_RD)
addr |= 1;
if (i > 0 && msgs[i].flags &
I2C_M_RD && msgs[i].addr != 0x40 &&
msgs[i].addr != 0x19) {
int quirk = 0xfe;
d1printk(" [%02x quirk]",quirk);
i2c_send_byte(dev,START,quirk);
i2c_recv_byte(dev);
}
d1printk(" < %02x", addr);
rc = i2c_send_byte(dev,START,addr);
if (rc < 0)
goto err;
}
if (msgs[i].flags & I2C_M_RD) {
d2printk("read bytes\n");
for (byte = 0; byte < msgs[i].len; byte++) {
d1printk(" =");
rc = i2c_recv_byte(dev);
if (rc < 0)
goto err;
d1printk("%02x", rc);
msgs[i].buf[byte] = rc;
}
if (0x19 == msgs[i].addr) {
d1printk(" ?");
rc = i2c_recv_byte(dev);
if (rc < 0)
goto err;
d1printk("%02x", rc);
}
} else {
d2printk("write bytes\n");
for (byte = 0; byte < msgs[i].len; byte++) {
data = msgs[i].buf[byte];
d1printk(" %02x", data);
rc = i2c_send_byte(dev,CONTINUE,data);
if (rc < 0)
goto err;
}
}
}
d2printk("xfer done\n");
d1printk(" >");
i2c_set_attr(dev,STOP);
rc = -EIO;
if (!i2c_is_busy_wait(dev))
goto err;
status = i2c_get_status(dev);
if (i2c_is_error(status))
goto err;
msleep(1);
d1printk("\n");
return num;
err:
if (1 == i2c_debug) {
status = i2c_get_status(dev);
printk(" ERROR: %s\n",str_i2c_status[status]);
}
return rc;
}