*
* The SAB3036 is just about different enough from the chips that
* tuner.c copes with to make it not worth the effort to crowbar
- * the support into that file. So instead we have a separate driver.
+ * the support into that file. So instead we have a separate driver.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include <linux/i2c.h>
#include <linux/videodev.h>
+#include <media/v4l2-common.h>
#include <media/tuner.h>
#define TUNER_FL 0x80
-static int
+static int
tuner_islocked (struct i2c_client *c)
{
- return (tuner_getstatus(c) & TUNER_FL);
+ return (tuner_getstatus(c) & TUNER_FL);
}
/* ---------------------------------------------------------------------- */
-static void
+static void
set_tv_freq(struct i2c_client *c, int freq)
{
u16 div = ((freq * 20) / 16);
if (debug)
printk(KERN_DEBUG "tuner: setting frequency %dMHz, divisor %x\n", freq / 16, div);
-
+
/* Select high tuning current */
buffer[0] = 0x29;
buffer[1] = 0x3e;
if (i2c_master_send(c, buffer, 2) != 2)
printk("tuner: i2c i/o error 1\n");
-
+
buffer[0] = 0x80 | ((div>>8) & 0x7f);
buffer[1] = div & 0xff;
if (i2c_master_send(c, buffer, 2) != 2)
printk("tuner: i2c i/o error 2\n");
-
+
while (!tuner_islocked(c) && time_before(jiffies, give_up))
schedule();
-
+
if (!tuner_islocked(c))
printk(KERN_WARNING "tuner: failed to achieve PLL lock\n");
-
+
/* Select low tuning current and engage AFC */
buffer[0] = 0x29;
buffer[1] = 0xb2;
/* ---------------------------------------------------------------------- */
-static int
+static int
tuner_attach(struct i2c_adapter *adap, int addr, int kind)
{
static unsigned char buffer[] = { 0x29, 0x32, 0x2a, 0, 0x2b, 0 };
if (this_adap > 0)
return -1;
this_adap++;
-
- client_template.adapter = adap;
- client_template.addr = addr;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == NULL)
- return -ENOMEM;
- memcpy(client, &client_template, sizeof(struct i2c_client));
+ if (client == NULL)
+ return -ENOMEM;
+ memcpy(client, &client_template, sizeof(struct i2c_client));
printk("tuner: SAB3036 found, status %02x\n", tuner_getstatus(client));
- i2c_attach_client(client);
+ i2c_attach_client(client);
if (i2c_master_send(client, buffer, 2) != 2)
printk("tuner: i2c i/o error 1\n");
return 0;
}
-static int
+static int
tuner_detach(struct i2c_client *c)
{
return 0;
}
-static int
+static int
tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
int *iarg = (int*)arg;
- switch (cmd)
+ switch (cmd)
{
case VIDIOCSFREQ:
set_tv_freq(client, *iarg);
break;
-
+
default:
return -EINVAL;
}
return 0;
}
-static int
+static int
tuner_probe(struct i2c_adapter *adap)
{
this_adap = 0;
/* ----------------------------------------------------------------------- */
-static struct i2c_driver
-i2c_driver_tuner =
+static struct i2c_driver
+i2c_driver_tuner =
{
.driver = {
.name = "sab3036",
static struct i2c_client client_template =
{
- .driver = &i2c_driver_tuner,
+ .driver = &i2c_driver_tuner,
.name = "SAB3036",
};
static int __init
tuner3036_init(void)
{
- i2c_add_driver(&i2c_driver_tuner);
- return 0;
+ return i2c_add_driver(&i2c_driver_tuner);
}
static void __exit