/*
- $Id: bttv-i2c.c,v 1.18 2005/02/16 12:14:10 kraxel Exp $
bttv-i2c.c -- all the i2c code is here
bttv - Bt848 frame grabber driver
Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
- & Marcus Metzler (mocm@thp.uni-koeln.de)
+ & Marcus Metzler (mocm@thp.uni-koeln.de)
(c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
This program is free software; you can redistribute it and/or modify
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/jiffies.h>
-#include <asm/io.h>
#include "bttvp.h"
+#include <media/v4l2-common.h>
+#include <linux/jiffies.h>
+#include <asm/io.h>
static struct i2c_algo_bit_data bttv_i2c_algo_bit_template;
static struct i2c_adapter bttv_i2c_adap_sw_template;
static int attach_inform(struct i2c_client *client);
-static int i2c_debug = 0;
-static int i2c_hw = 0;
-static int i2c_scan = 0;
+static int i2c_debug;
+static int i2c_hw;
+static int i2c_scan;
module_param(i2c_debug, int, 0644);
module_param(i2c_hw, int, 0444);
module_param(i2c_scan, int, 0444);
static struct i2c_adapter bttv_i2c_adap_sw_template = {
.owner = THIS_MODULE,
-#ifdef I2C_CLASS_TV_ANALOG
.class = I2C_CLASS_TV_ANALOG,
-#endif
- I2C_DEVNAME("bt848"),
+ .name = "bttv",
.id = I2C_HW_B_BT848,
.client_register = attach_inform,
};
err:
if (i2c_debug)
printk(" ERR: %d\n",retval);
- return retval;
+ return retval;
}
static int bttv_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
}
static struct i2c_algorithm bttv_algo = {
- .name = "bt878",
- .id = I2C_ALGO_BIT | I2C_HW_B_BT848 /* FIXME */,
.master_xfer = bttv_i2c_xfer,
.algo_control = algo_control,
.functionality = functionality,
};
static struct i2c_adapter bttv_i2c_adap_hw_template = {
- .owner = THIS_MODULE,
-#ifdef I2C_CLASS_TV_ANALOG
+ .owner = THIS_MODULE,
.class = I2C_CLASS_TV_ANALOG,
-#endif
- I2C_DEVNAME("bt878"),
- .id = I2C_ALGO_BIT | I2C_HW_B_BT848 /* FIXME */,
+ .name = "bt878",
+ .id = I2C_HW_B_BT848 /* FIXME */,
.algo = &bttv_algo,
.client_register = attach_inform,
};
static int attach_inform(struct i2c_client *client)
{
- struct bttv *btv = i2c_get_adapdata(client->adapter);
-
- if (btv->tuner_type != UNSET)
- bttv_call_i2c_clients(btv,TUNER_SET_TYPE,&btv->tuner_type);
- if (btv->pinnacle_id != UNSET)
- bttv_call_i2c_clients(btv,AUDC_CONFIG_PINNACLE,
- &btv->pinnacle_id);
- if (bttv_debug)
- printk("bttv%d: i2c attach [client=%s]\n",
- btv->c.nr, i2c_clientname(client));
- return 0;
+ struct bttv *btv = i2c_get_adapdata(client->adapter);
+ int addr=ADDR_UNSET;
+
+
+ if (ADDR_UNSET != bttv_tvcards[btv->c.type].tuner_addr)
+ addr = bttv_tvcards[btv->c.type].tuner_addr;
+
+
+ if (bttv_debug)
+ printk(KERN_DEBUG "bttv%d: %s i2c attach [addr=0x%x,client=%s]\n",
+ btv->c.nr, client->driver->driver.name, client->addr,
+ client->name);
+ if (!client->driver->command)
+ return 0;
+
+ if (btv->tuner_type != UNSET) {
+ struct tuner_setup tun_setup;
+
+ if ((addr==ADDR_UNSET) ||
+ (addr==client->addr)) {
+
+ tun_setup.mode_mask = T_ANALOG_TV | T_DIGITAL_TV | T_RADIO;
+ tun_setup.type = btv->tuner_type;
+ tun_setup.addr = addr;
+ bttv_call_i2c_clients(btv, TUNER_SET_TYPE_ADDR, &tun_setup);
+ }
+
+ }
+
+ return 0;
}
void bttv_call_i2c_clients(struct bttv *btv, unsigned int cmd, void *arg)
}
static struct i2c_client bttv_i2c_client_template = {
- I2C_DEVNAME("bttv internal"),
+ .name = "bttv internal",
};
/* read I2C */
int bttv_I2CRead(struct bttv *btv, unsigned char addr, char *probe_for)
{
- unsigned char buffer = 0;
+ unsigned char buffer = 0;
if (0 != btv->i2c_rc)
return -1;
if (bttv_verbose && NULL != probe_for)
printk(KERN_INFO "bttv%d: i2c: checking for %s @ 0x%02x... ",
btv->c.nr,probe_for,addr);
- btv->i2c_client.addr = addr >> 1;
- if (1 != i2c_master_recv(&btv->i2c_client, &buffer, 1)) {
+ btv->i2c_client.addr = addr >> 1;
+ if (1 != i2c_master_recv(&btv->i2c_client, &buffer, 1)) {
if (NULL != probe_for) {
if (bttv_verbose)
printk("not found\n");
} else
printk(KERN_WARNING "bttv%d: i2c read 0x%x: error\n",
btv->c.nr,addr);
- return -1;
+ return -1;
}
if (bttv_verbose && NULL != probe_for)
printk("found\n");
- return buffer;
+ return buffer;
}
/* write I2C */
int bttv_I2CWrite(struct bttv *btv, unsigned char addr, unsigned char b1,
- unsigned char b2, int both)
+ unsigned char b2, int both)
{
- unsigned char buffer[2];
- int bytes = both ? 2 : 1;
+ unsigned char buffer[2];
+ int bytes = both ? 2 : 1;
if (0 != btv->i2c_rc)
return -1;
- btv->i2c_client.addr = addr >> 1;
- buffer[0] = b1;
- buffer[1] = b2;
- if (bytes != i2c_master_send(&btv->i2c_client, buffer, bytes))
+ btv->i2c_client.addr = addr >> 1;
+ buffer[0] = b1;
+ buffer[1] = b2;
+ if (bytes != i2c_master_send(&btv->i2c_client, buffer, bytes))
return -1;
- return 0;
+ return 0;
}
/* read EEPROM content */
}
static char *i2c_devs[128] = {
+ [ 0x1c >> 1 ] = "lgdt330x",
[ 0x30 >> 1 ] = "IR (hauppauge)",
[ 0x80 >> 1 ] = "msp34xx",
[ 0x86 >> 1 ] = "tda9887",
"bt%d #%d [%s]", btv->id, btv->c.nr,
btv->use_i2c_hw ? "hw" : "sw");
- i2c_set_adapdata(&btv->c.i2c_adap, btv);
- btv->i2c_client.adapter = &btv->c.i2c_adap;
+ i2c_set_adapdata(&btv->c.i2c_adap, btv);
+ btv->i2c_client.adapter = &btv->c.i2c_adap;
-#ifdef I2C_CLASS_TV_ANALOG
if (bttv_tvcards[btv->c.type].no_video)
btv->c.i2c_adap.class &= ~I2C_CLASS_TV_ANALOG;
if (bttv_tvcards[btv->c.type].has_dvb)
btv->c.i2c_adap.class |= I2C_CLASS_TV_DIGITAL;
-#endif
if (btv->use_i2c_hw) {
btv->i2c_rc = i2c_add_adapter(&btv->c.i2c_adap);
git://git.onelab.eu / linux-2.6.git / blobdiff