/*
- * $Id: saa7134-i2c.c,v 1.11 2005/06/12 01:36:14 mchehab Exp $
*
* device driver for philips saa7134 based TV cards
* i2c interface support
enum i2c_status status;
__u32 dword;
-#if 0
- i2c_set_attr(dev,attr);
- saa_writeb(SAA7134_I2C_DATA, data);
-#else
/* have to write both attr + data in one 32bit word */
dword = saa_readl(SAA7134_I2C_ATTR_STATUS >> 2);
dword &= 0x0f;
// dword |= 0x40 << 16; /* 400 kHz */
dword |= 0xf0 << 24;
saa_writel(SAA7134_I2C_ATTR_STATUS >> 2, dword);
-#endif
d2printk(KERN_DEBUG "%s: i2c data => 0x%x\n",dev->name,data);
if (!i2c_is_busy_wait(dev))
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;
static int attach_inform(struct i2c_client *client)
{
- struct saa7134_dev *dev = client->adapter->algo_data;
+ 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, client->name);
+
+ 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);
- saa7134_i2c_call_clients(dev,TUNER_SET_TYPE,&tuner);
- saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&conf);
return 0;
}
static struct i2c_algorithm saa7134_algo = {
- .name = "saa7134",
- .id = I2C_ALGO_SAA7134,
.master_xfer = saa7134_i2c_xfer,
.algo_control = algo_control,
.functionality = functionality,
#ifdef I2C_CLASS_TV_ANALOG
.class = I2C_CLASS_TV_ANALOG,
#endif
- I2C_DEVNAME("saa7134"),
- .id = I2C_ALGO_SAA7134,
+ .name = "saa7134",
+ .id = I2C_HW_SAA7134,
.algo = &saa7134_algo,
.client_register = attach_inform,
};
static struct i2c_client saa7134_client_template = {
- I2C_DEVNAME("saa7134 internal"),
+ .name = "saa7134 internal",
};
/* ----------------------------------------------------------- */