* em2800_i2c_send_max4()
* send up to 4 bytes to the i2c device
*/
-static int em2800_i2c_send_max4(struct em2820 *dev, unsigned char addr,
+static int em2800_i2c_send_max4(struct em28xx *dev, unsigned char addr,
char *buf, int len)
{
int ret;
if (len > 3)
b2[0] = buf[3];
- ret = dev->em2820_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
+ ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
if (ret != 2 + len) {
- em2820_warn("writting to i2c device failed (error=%i)\n", ret);
+ em28xx_warn("writting to i2c device failed (error=%i)\n", ret);
return -EIO;
}
for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
write_timeout -= 5) {
- ret = dev->em2820_read_reg(dev, 0x05);
+ ret = dev->em28xx_read_reg(dev, 0x05);
if (ret == 0x80 + len - 1)
return len;
mdelay(5);
}
- em2820_warn("i2c write timed out\n");
+ em28xx_warn("i2c write timed out\n");
return -EIO;
}
int wrcount = 0;
int count;
int maxLen = 4;
- struct em2820 *dev = (struct em2820 *)data;
+ struct em28xx *dev = (struct em28xx *)data;
while (len > 0) {
count = (len > maxLen) ? maxLen : len;
ret = em2800_i2c_send_max4(dev, addr, bufPtr, count);
* em2800_i2c_check_for_device()
* check if there is a i2c_device at the supplied address
*/
-static int em2800_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
+static int em2800_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
{
char msg;
int ret;
int write_timeout;
msg = addr;
- ret = dev->em2820_write_regs(dev, 0x04, &msg, 1);
+ ret = dev->em28xx_write_regs(dev, 0x04, &msg, 1);
if (ret < 0) {
- em2820_warn("setting i2c device address failed (error=%i)\n",
+ em28xx_warn("setting i2c device address failed (error=%i)\n",
ret);
return ret;
}
msg = 0x84;
- ret = dev->em2820_write_regs(dev, 0x05, &msg, 1);
+ ret = dev->em28xx_write_regs(dev, 0x05, &msg, 1);
if (ret < 0) {
- em2820_warn("preparing i2c read failed (error=%i)\n", ret);
+ em28xx_warn("preparing i2c read failed (error=%i)\n", ret);
return ret;
}
for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
write_timeout -= 5) {
- unsigned msg = dev->em2820_read_reg(dev, 0x5);
+ unsigned msg = dev->em28xx_read_reg(dev, 0x5);
if (msg == 0x94)
return -ENODEV;
else if (msg == 0x84)
* em2800_i2c_recv_bytes()
* read from the i2c device
*/
-static int em2800_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
+static int em2800_i2c_recv_bytes(struct em28xx *dev, unsigned char addr,
char *buf, int len)
{
int ret;
/* check for the device and set i2c read address */
ret = em2800_i2c_check_for_device(dev, addr);
if (ret) {
- em2820_warn
+ em28xx_warn
("preparing read at i2c address 0x%x failed (error=%i)\n",
addr, ret);
return ret;
}
- ret = dev->em2820_read_reg_req_len(dev, 0x0, 0x3, buf, len);
+ ret = dev->em28xx_read_reg_req_len(dev, 0x0, 0x3, buf, len);
if (ret < 0) {
- em2820_warn("reading from i2c device at 0x%x failed (error=%i)",
+ em28xx_warn("reading from i2c device at 0x%x failed (error=%i)",
addr, ret);
return ret;
}
}
/*
- * em2820_i2c_send_bytes()
+ * em28xx_i2c_send_bytes()
* untested for more than 4 bytes
*/
-static int em2820_i2c_send_bytes(void *data, unsigned char addr, char *buf,
+static int em28xx_i2c_send_bytes(void *data, unsigned char addr, char *buf,
short len, int stop)
{
int wrcount = 0;
- struct em2820 *dev = (struct em2820 *)data;
+ struct em28xx *dev = (struct em28xx *)data;
- wrcount = dev->em2820_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
+ wrcount = dev->em28xx_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
return wrcount;
}
/*
- * em2820_i2c_recv_bytes()
+ * em28xx_i2c_recv_bytes()
* read a byte from the i2c device
*/
-static int em2820_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
+static int em28xx_i2c_recv_bytes(struct em28xx *dev, unsigned char addr,
char *buf, int len)
{
int ret;
- ret = dev->em2820_read_reg_req_len(dev, 2, addr, buf, len);
+ ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len);
if (ret < 0) {
- em2820_warn("reading i2c device failed (error=%i)\n", ret);
+ em28xx_warn("reading i2c device failed (error=%i)\n", ret);
return ret;
}
- if (dev->em2820_read_reg(dev, 0x5) != 0)
+ if (dev->em28xx_read_reg(dev, 0x5) != 0)
return -ENODEV;
return ret;
}
/*
- * em2820_i2c_check_for_device()
+ * em28xx_i2c_check_for_device()
* check if there is a i2c_device at the supplied address
*/
-static int em2820_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
+static int em28xx_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
{
char msg;
int ret;
msg = addr;
- ret = dev->em2820_read_reg_req(dev, 2, addr);
+ ret = dev->em28xx_read_reg_req(dev, 2, addr);
if (ret < 0) {
- em2820_warn("reading from i2c device failed (error=%i)\n", ret);
+ em28xx_warn("reading from i2c device failed (error=%i)\n", ret);
return ret;
}
- if (dev->em2820_read_reg(dev, 0x5) != 0)
+ if (dev->em28xx_read_reg(dev, 0x5) != 0)
return -ENODEV;
return 0;
}
/*
- * em2820_i2c_xfer()
+ * em28xx_i2c_xfer()
* the main i2c transfer function
*/
-static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
+static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg msgs[], int num)
{
- struct em2820 *dev = i2c_adap->algo_data;
+ struct em28xx *dev = i2c_adap->algo_data;
int addr, rc, i, byte;
if (num <= 0)
if (dev->is_em2800)
rc = em2800_i2c_check_for_device(dev, addr);
else
- rc = em2820_i2c_check_for_device(dev, addr);
+ rc = em28xx_i2c_check_for_device(dev, addr);
if (rc < 0) {
dprintk2(2," no device\n");
return rc;
msgs[i].buf,
msgs[i].len);
else
- rc = em2820_i2c_recv_bytes(dev, addr,
+ rc = em28xx_i2c_recv_bytes(dev, addr,
msgs[i].buf,
msgs[i].len);
if (i2c_debug>=2) {
msgs[i].buf,
msgs[i].len);
else
- rc = em2820_i2c_send_bytes(dev, addr,
+ rc = em28xx_i2c_send_bytes(dev, addr,
msgs[i].buf,
msgs[i].len,
i == num - 1);
return rc;
}
-static int em2820_i2c_eeprom(struct em2820 *dev, unsigned char *eedata, int len)
+static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
{
unsigned char buf, *p = eedata;
- struct em2820_eeprom *em_eeprom = (void *)eedata;
+ struct em28xx_eeprom *em_eeprom = (void *)eedata;
int i, err, size = len, block;
dev->i2c_client.addr = 0xa0 >> 1;
}
#endif
-static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
+static int em28xx_set_tuner(int check_eeprom, struct i2c_client *client)
{
- struct em2820 *dev = client->adapter->algo_data;
+ struct em28xx *dev = client->adapter->algo_data;
struct tuner_setup tun_setup;
if (dev->has_tuner) {
tun_setup.type = dev->tuner_type;
tun_setup.addr = dev->tuner_addr;
- em2820_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
+ em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
}
return (0);
*/
static int attach_inform(struct i2c_client *client)
{
- struct em2820 *dev = client->adapter->algo_data;
+ struct em28xx *dev = client->adapter->algo_data;
switch (client->addr << 1) {
case 0x86:
- em2820_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
+ em28xx_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
break;
case 0x42:
dprintk1(1,"attach_inform: saa7114 detected.\n");
{
struct IR_i2c *ir = i2c_get_clientdata(client);
dprintk1(1,"attach_inform: IR detected (%s).\n",ir->phys);
- em2820_set_ir(dev,ir);
+ em28xx_set_ir(dev,ir);
break;
}
case 0x80:
default:
dprintk1(1,"attach inform: detected I2C address %x\n", client->addr << 1);
dev->tuner_addr = client->addr;
- em2820_set_tuner(-1, client);
+ em28xx_set_tuner(-1, client);
}
return 0;
}
-static struct i2c_algorithm em2820_algo = {
- .master_xfer = em2820_i2c_xfer,
+static struct i2c_algorithm em28xx_algo = {
+ .master_xfer = em28xx_i2c_xfer,
.algo_control = algo_control,
.functionality = functionality,
};
-static struct i2c_adapter em2820_adap_template = {
+static struct i2c_adapter em28xx_adap_template = {
#ifdef I2C_PEC
.owner = THIS_MODULE,
#else
#ifdef I2C_CLASS_TV_ANALOG
.class = I2C_CLASS_TV_ANALOG,
#endif
- .name = "em2820",
- .id = I2C_HW_B_EM2820,
- .algo = &em2820_algo,
+ .name = "em28xx",
+ .id = I2C_HW_B_EM28XX,
+ .algo = &em28xx_algo,
.client_register = attach_inform,
};
-static struct i2c_client em2820_client_template = {
- .name = "em2820 internal",
+static struct i2c_client em28xx_client_template = {
+ .name = "em28xx internal",
.flags = I2C_CLIENT_ALLOW_USE,
};
}
/*
- * em2820_i2c_call_clients()
+ * em28xx_i2c_call_clients()
* send commands to all attached i2c devices
*/
-void em2820_i2c_call_clients(struct em2820 *dev, unsigned int cmd, void *arg)
+void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg)
{
BUG_ON(NULL == dev->i2c_adap.algo_data);
i2c_clients_command(&dev->i2c_adap, cmd, arg);
}
/*
- * em2820_i2c_register()
+ * em28xx_i2c_register()
* register i2c bus
*/
-int em2820_i2c_register(struct em2820 *dev)
+int em28xx_i2c_register(struct em28xx *dev)
{
- BUG_ON(!dev->em2820_write_regs || !dev->em2820_read_reg);
- BUG_ON(!dev->em2820_write_regs_req || !dev->em2820_read_reg_req);
- dev->i2c_adap = em2820_adap_template;
+ BUG_ON(!dev->em28xx_write_regs || !dev->em28xx_read_reg);
+ BUG_ON(!dev->em28xx_write_regs_req || !dev->em28xx_read_reg_req);
+ dev->i2c_adap = em28xx_adap_template;
dev->i2c_adap.dev.parent = &dev->udev->dev;
strcpy(dev->i2c_adap.name, dev->name);
dev->i2c_adap.algo_data = dev;
i2c_add_adapter(&dev->i2c_adap);
- dev->i2c_client = em2820_client_template;
+ dev->i2c_client = em28xx_client_template;
dev->i2c_client.adapter = &dev->i2c_adap;
- em2820_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
+ em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
if (i2c_scan)
do_i2c_scan(dev->name, &dev->i2c_client);
}
/*
- * em2820_i2c_unregister()
+ * em28xx_i2c_unregister()
* unregister i2c_bus
*/
-int em2820_i2c_unregister(struct em2820 *dev)
+int em28xx_i2c_unregister(struct em28xx *dev)
{
i2c_del_adapter(&dev->i2c_adap);
return 0;
projects / linux-2.6-omap-h63xx.git / blobdiff