/*
- $Id: cx88-i2c.c,v 1.18 2004/10/13 10:39:00 kraxel Exp $
cx88-i2c.c -- all the i2c code is here
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) 2002 Yurij Sysoev <yurij@naturesoft.net>
(c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
+ (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org>
+ - Multituner support and i2c address binding
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
*/
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/init.h>
#include <asm/io.h>
#include "cx88.h"
+#include <media/v4l2-common.h>
static unsigned int i2c_debug = 0;
module_param(i2c_debug, int, 0644);
module_param(i2c_scan, int, 0444);
MODULE_PARM_DESC(i2c_scan,"scan i2c bus at insmod time");
+static unsigned int i2c_udelay = 5;
+module_param(i2c_udelay, int, 0644);
+MODULE_PARM_DESC(i2c_udelay,"i2c delay at insmod time, in usecs "
+ "(should be 5 or higher). Lower value means higher bus speed.");
+
#define dprintk(level,fmt, arg...) if (i2c_debug >= level) \
printk(KERN_DEBUG "%s: " fmt, core->name , ## arg)
/* ----------------------------------------------------------------------- */
-void cx8800_bit_setscl(void *data, int state)
+static void cx8800_bit_setscl(void *data, int state)
{
struct cx88_core *core = data;
cx_read(MO_I2C);
}
-void cx8800_bit_setsda(void *data, int state)
+static void cx8800_bit_setsda(void *data, int state)
{
struct cx88_core *core = data;
static int attach_inform(struct i2c_client *client)
{
+ struct tuner_setup tun_setup;
struct cx88_core *core = i2c_get_adapdata(client->adapter);
- dprintk(1, "i2c attach [addr=0x%x,client=%s]\n",
- client->addr, i2c_clientname(client));
+ dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n",
+ client->driver->driver.name, client->addr, client->name);
if (!client->driver->command)
return 0;
- if (core->tuner_type != UNSET)
- client->driver->command(client, TUNER_SET_TYPE, &core->tuner_type);
+ if (core->radio_type != UNSET) {
+ if ((core->radio_addr==ADDR_UNSET)||(core->radio_addr==client->addr)) {
+ tun_setup.mode_mask = T_RADIO;
+ tun_setup.type = core->radio_type;
+ tun_setup.addr = core->radio_addr;
+
+ client->driver->command (client, TUNER_SET_TYPE_ADDR, &tun_setup);
+ }
+ }
+ if (core->tuner_type != UNSET) {
+ if ((core->tuner_addr==ADDR_UNSET)||(core->tuner_addr==client->addr)) {
+
+ tun_setup.mode_mask = T_ANALOG_TV;
+ tun_setup.type = core->tuner_type;
+ tun_setup.addr = core->tuner_addr;
+
+ client->driver->command (client,TUNER_SET_TYPE_ADDR, &tun_setup);
+ }
+ }
+
if (core->tda9887_conf)
client->driver->command(client, TDA9887_SET_CONFIG, &core->tda9887_conf);
return 0;
{
struct cx88_core *core = i2c_get_adapdata(client->adapter);
- dprintk(1, "i2c detach [client=%s]\n", i2c_clientname(client));
+ dprintk(1, "i2c detach [client=%s]\n", client->name);
return 0;
}
{
if (0 != core->i2c_rc)
return;
- i2c_clients_command(&core->i2c_adap, cmd, arg);
+
+ if ( (core->dvbdev) && (core->dvbdev->dvb.frontend) ) {
+ if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl)
+ core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 1);
+
+ i2c_clients_command(&core->i2c_adap, cmd, arg);
+
+ if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl)
+ core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 0);
+ } else
+ i2c_clients_command(&core->i2c_adap, cmd, arg);
}
static struct i2c_algo_bit_data cx8800_i2c_algo_template = {
.getsda = cx8800_bit_getsda,
.getscl = cx8800_bit_getscl,
.udelay = 16,
- .mdelay = 10,
.timeout = 200,
};
/* ----------------------------------------------------------------------- */
static struct i2c_adapter cx8800_i2c_adap_template = {
- I2C_DEVNAME("cx2388x"),
+ .name = "cx2388x",
.owner = THIS_MODULE,
.id = I2C_HW_B_CX2388x,
.client_register = attach_inform,
};
static struct i2c_client cx8800_i2c_client_template = {
- I2C_DEVNAME("cx88xx internal"),
- .id = -1,
+ .name = "cx88xx internal",
};
static char *i2c_devs[128] = {
+ [ 0x1c >> 1 ] = "lgdt330x",
[ 0x86 >> 1 ] = "tda9887/cx22702",
[ 0xa0 >> 1 ] = "eeprom",
[ 0xc0 >> 1 ] = "tuner (analog)",
/* init + register i2c algo-bit adapter */
int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
{
+ /* Prevents usage of invalid delay values */
+ if (i2c_udelay<5)
+ i2c_udelay=5;
+ cx8800_i2c_algo_template.udelay=i2c_udelay;
+
memcpy(&core->i2c_adap, &cx8800_i2c_adap_template,
sizeof(core->i2c_adap));
memcpy(&core->i2c_algo, &cx8800_i2c_algo_template,
if (core->tuner_type != TUNER_ABSENT)
core->i2c_adap.class |= I2C_CLASS_TV_ANALOG;
- if (cx88_boards[core->board].dvb)
+ if (cx88_boards[core->board].mpeg & CX88_MPEG_DVB)
core->i2c_adap.class |= I2C_CLASS_TV_DIGITAL;
core->i2c_adap.dev.parent = &pci->dev;
strlcpy(core->i2c_adap.name,core->name,sizeof(core->i2c_adap.name));
- core->i2c_algo.data = core;
- i2c_set_adapdata(&core->i2c_adap,core);
- core->i2c_adap.algo_data = &core->i2c_algo;
- core->i2c_client.adapter = &core->i2c_adap;
+ core->i2c_algo.data = core;
+ i2c_set_adapdata(&core->i2c_adap,core);
+ core->i2c_adap.algo_data = &core->i2c_algo;
+ core->i2c_client.adapter = &core->i2c_adap;
cx8800_bit_setscl(core,1);
cx8800_bit_setsda(core,1);
/* ----------------------------------------------------------------------- */
EXPORT_SYMBOL(cx88_call_i2c_clients);
-EXPORT_SYMBOL(cx88_i2c_init);
/*
* Local variables:
git://git.onelab.eu / linux-2.6.git / blobdiff