/*
* For the TDA9875 chip
- * (The TDA9875 is used on the Diamond DTV2000 french version
+ * (The TDA9875 is used on the Diamond DTV2000 french version
* Other cards probably use these chips as well.)
- * This driver will not complain if used with any
+ * This driver will not complain if used with any
* other i2c device with the same address.
*
* Copyright (c) 2000 Guillaume Delvit based on Gerd Knorr source and
- * Eric Sandeen
+ * Eric Sandeen
* This code is placed under the terms of the GNU General Public License
* Based on tda9855.c by Steve VanDeBogart (vandebo@uclink.berkeley.edu)
* Which was based on tda8425.c by Greg Alexander (c) 1998
*
* OPTIONS:
* debug - set to 1 if you'd like to see debug messages
- *
+ *
* Revision: 0.1 - original version
*/
#include <linux/i2c-algo-bit.h>
#include <linux/init.h>
-#include "bttv.h"
-#include <media/audiochip.h>
-#include <media/id.h>
-MODULE_PARM(debug,"i");
-MODULE_LICENSE("GPL");
+#include <media/i2c-addr.h>
-static int debug = 0; /* insmod parameter */
+static int debug; /* insmod parameter */
+module_param(debug, int, S_IRUGO | S_IWUSR);
+MODULE_LICENSE("GPL");
/* Addresses to scan */
static unsigned short normal_i2c[] = {
- I2C_TDA9875 >> 1,
+ I2C_ADDR_TDA9875 >> 1,
I2C_CLIENT_END
};
-static unsigned short normal_i2c_range[] = {I2C_CLIENT_END};
I2C_CLIENT_INSMOD;
/* This is a superset of the TDA9875 */
struct tda9875 {
- int mode;
int rvol, lvol;
int bass, treble;
struct i2c_client c;
* http://www.semiconductors.philips.com
* TDA9875: I2C-bus controlled DSP audio processor, FM demodulator
*
- */
+ */
/* subaddresses for TDA9875 */
#define TDA9875_MUT 0x12 /*General mute (value --> 0b11001100*/
return 0;
}
-#if 0
-static int tda9875_read(struct i2c_client *client)
-{
- unsigned char buffer;
- dprintk("In tda9875_read\n");
- if (1 != i2c_master_recv(client,&buffer,1)) {
- printk(KERN_WARNING "tda9875: I/O error, trying (read)\n");
- return -1;
- }
- dprintk("Read 0x%02x\n", buffer);
- return buffer;
-}
-#endif
static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg)
{
- unsigned char write[1];
- unsigned char read[1];
- struct i2c_msg msgs[2] = {
- { addr, 0, 1, write },
- { addr, I2C_M_RD, 1, read }
- };
- write[0] = reg;
-
- if (2 != i2c_transfer(adap,msgs,2)) {
- printk(KERN_WARNING "tda9875: I/O error (read2)\n");
- return -1;
- }
- dprintk("tda9875: chip_read2: reg%d=0x%x\n",reg,read[0]);
- return read[0];
+ unsigned char write[1];
+ unsigned char read[1];
+ struct i2c_msg msgs[2] = {
+ { addr, 0, 1, write },
+ { addr, I2C_M_RD, 1, read }
+ };
+ write[0] = reg;
+
+ if (2 != i2c_transfer(adap,msgs,2)) {
+ printk(KERN_WARNING "tda9875: I/O error (read2)\n");
+ return -1;
+ }
+ dprintk("tda9875: chip_read2: reg%d=0x%x\n",reg,read[0]);
+ return read[0];
}
static void tda9875_set(struct i2c_client *client)
static void do_tda9875_init(struct i2c_client *client)
{
struct tda9875 *t = i2c_get_clientdata(client);
- dprintk("In tda9875_init\n");
+ dprintk("In tda9875_init\n");
tda9875_write(client, TDA9875_CFG, 0xd0 ); /*reg de config 0 (reset)*/
tda9875_write(client, TDA9875_MSR, 0x03 ); /* Monitor 0b00000XXX*/
tda9875_write(client, TDA9875_C1MSB, 0x00 ); /*Car1(FM) MSB XMHz*/
tda9875_write(client, TDA9875_FMAT, 0x00 ); /*FM Matrix reg 0x00*/
tda9875_write(client, TDA9875_SC1, 0x00 ); /* SCART 1 (SC1)*/
tda9875_write(client, TDA9875_SC2, 0x01 ); /* SCART 2 (sc2)*/
-
+
tda9875_write(client, TDA9875_CH1V, 0x10 ); /* Channel volume 1 mute*/
tda9875_write(client, TDA9875_CH2V, 0x10 ); /* Channel volume 2 mute */
tda9875_write(client, TDA9875_DACOS, 0x02 ); /* sig DAC i/o(in:nicam)*/
tda9875_write(client, TDA9875_ADCIS, 0x6f ); /* sig ADC input(in:mono)*/
tda9875_write(client, TDA9875_LOSR, 0x00 ); /* line out (in:mono)*/
- tda9875_write(client, TDA9875_AER, 0x00 ); /*06 Effect (AVL+PSEUDO) */
+ tda9875_write(client, TDA9875_AER, 0x00 ); /*06 Effect (AVL+PSEUDO) */
tda9875_write(client, TDA9875_MCS, 0x44 ); /* Main ch select (DAC) */
tda9875_write(client, TDA9875_MVL, 0x03 ); /* Vol Main left 10dB */
tda9875_write(client, TDA9875_MVR, 0x03 ); /* Vol Main right 10dB*/
tda9875_write(client, TDA9875_MBA, 0x00 ); /* Main Bass Main 0dB*/
tda9875_write(client, TDA9875_MTR, 0x00 ); /* Main Treble Main 0dB*/
- tda9875_write(client, TDA9875_ACS, 0x44 ); /* Aux chan select (dac)*/
+ tda9875_write(client, TDA9875_ACS, 0x44 ); /* Aux chan select (dac)*/
tda9875_write(client, TDA9875_AVL, 0x00 ); /* Vol Aux left 0dB*/
tda9875_write(client, TDA9875_AVR, 0x00 ); /* Vol Aux right 0dB*/
tda9875_write(client, TDA9875_ABA, 0x00 ); /* Aux Bass Main 0dB*/
tda9875_write(client, TDA9875_ATR, 0x00 ); /* Aux Aigus Main 0dB*/
-
+
tda9875_write(client, TDA9875_MUT, 0xcc ); /* General mute */
-
- t->mode=AUDIO_UNMUTE;
+
t->lvol=t->rvol =0; /* 0dB */
- t->bass=0; /* 0dB */
+ t->bass=0; /* 0dB */
t->treble=0; /* 0dB */
tda9875_set(client);
struct i2c_client *client;
dprintk("In tda9875_attach\n");
- t = kmalloc(sizeof *t,GFP_KERNEL);
+ t = kzalloc(sizeof *t,GFP_KERNEL);
if (!t)
return -ENOMEM;
- memset(t,0,sizeof *t);
client = &t->c;
- memcpy(client,&client_template,sizeof(struct i2c_client));
- client->adapter = adap;
- client->addr = addr;
+ memcpy(client,&client_template,sizeof(struct i2c_client));
+ client->adapter = adap;
+ client->addr = addr;
i2c_set_clientdata(client, t);
if(!tda9875_checkit(adap,addr)) {
kfree(t);
return 1;
}
-
+
do_tda9875_init(client);
printk(KERN_INFO "tda9875: init\n");
static int tda9875_probe(struct i2c_adapter *adap)
{
-#ifdef I2C_CLASS_TV_ANALOG
if (adap->class & I2C_CLASS_TV_ANALOG)
return i2c_probe(adap, &addr_data, tda9875_attach);
-#else
- if (adap->id == (I2C_ALGO_BIT | I2C_HW_B_BT848))
- return i2c_probe(adap, &addr_data, tda9875_attach);
-#endif
return 0;
}
do_tda9875_init(client);
i2c_detach_client(client);
-
+
kfree(t);
return 0;
}
{
struct tda9875 *t = i2c_get_clientdata(client);
- dprintk("In tda9875_command...\n");
+ dprintk("In tda9875_command...\n");
- switch (cmd) {
- /* --- v4l ioctls --- */
+ switch (cmd) {
+ /* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
kernel pointer here... */
case VIDIOCGAUDIO:
struct video_audio *va = arg;
int left,right;
- dprintk("VIDEOCSAUDIO...\n");
+ dprintk("VIDEOCSAUDIO...\n");
left = (min(65536 - va->balance,32768) *
va->volume) / 32768;
right = (min(va->balance,(__u16)32768) *
t->bass = 15;
if (t->bass < -12)
t->bass = -12 & 0xff;
-
+
t->treble = ((va->treble/2700)-12) & 0xff;
if (t->treble > 12)
t->treble = 12;
//printk("tda9875 bal:%04x vol:%04x bass:%04x treble:%04x\n",va->balance,va->volume,va->bass,va->treble);
-
- tda9875_set(client);
+
+ tda9875_set(client);
break;
static struct i2c_driver driver = {
- .owner = THIS_MODULE,
- .name = "i2c tda9875 driver",
- .id = I2C_DRIVERID_TDA9875,
- .flags = I2C_DF_NOTIFY,
+ .driver = {
+ .name = "tda9875",
+ },
+ .id = I2C_DRIVERID_TDA9875,
.attach_adapter = tda9875_probe,
- .detach_client = tda9875_detach,
- .command = tda9875_command,
+ .detach_client = tda9875_detach,
+ .command = tda9875_command,
};
static struct i2c_client client_template =
{
- I2C_DEVNAME("tda9875"),
- .id = -1,
- .driver = &driver,
+ .name = "tda9875",
+ .driver = &driver,
};
-static int tda9875_init(void)
+static int __init tda9875_init(void)
{
- i2c_add_driver(&driver);
- return 0;
+ return i2c_add_driver(&driver);
}
-static void tda9875_fini(void)
+static void __exit tda9875_fini(void)
{
i2c_del_driver(&driver);
}
git://git.onelab.eu / linux-2.6.git / blobdiff