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path: root/drivers/media/video/tda9875.c
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Diffstat (limited to 'drivers/media/video/tda9875.c')
-rw-r--r--drivers/media/video/tda9875.c455
1 files changed, 0 insertions, 455 deletions
diff --git a/drivers/media/video/tda9875.c b/drivers/media/video/tda9875.c
deleted file mode 100644
index 792f0b07990..00000000000
--- a/drivers/media/video/tda9875.c
+++ /dev/null
@@ -1,455 +0,0 @@
-/*
- * For the TDA9875 chip
- * (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
- * other i2c device with the same address.
- *
- * Copyright (c) 2000 Guillaume Delvit based on Gerd Knorr source and
- * Eric Sandeen
- * Copyright (c) 2006 Mauro Carvalho Chehab <mchehab@infradead.org>
- * 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/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-common.h>
-#include <linux/i2c.h>
-#include <linux/init.h>
-
-#include <media/i2c-addr.h>
-
-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_ADDR_TDA9875 >> 1,
- I2C_CLIENT_END
-};
-
-I2C_CLIENT_INSMOD;
-
-/* This is a superset of the TDA9875 */
-struct tda9875 {
- int rvol, lvol;
- int bass, treble;
- struct i2c_client c;
-};
-
-static struct i2c_driver driver;
-static struct i2c_client client_template;
-
-#define dprintk if (debug) printk
-
-/* The TDA9875 is made by Philips Semiconductor
- * 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*/
-#define TDA9875_CFG 0x01 /* Config register (value --> 0b00000000 */
-#define TDA9875_DACOS 0x13 /*DAC i/o select (ADC) 0b0000100*/
-#define TDA9875_LOSR 0x16 /*Line output select regirter 0b0100 0001*/
-
-#define TDA9875_CH1V 0x0c /*Channel 1 volume (mute)*/
-#define TDA9875_CH2V 0x0d /*Channel 2 volume (mute)*/
-#define TDA9875_SC1 0x14 /*SCART 1 in (mono)*/
-#define TDA9875_SC2 0x15 /*SCART 2 in (mono)*/
-
-#define TDA9875_ADCIS 0x17 /*ADC input select (mono) 0b0110 000*/
-#define TDA9875_AER 0x19 /*Audio effect (AVL+Pseudo) 0b0000 0110*/
-#define TDA9875_MCS 0x18 /*Main channel select (DAC) 0b0000100*/
-#define TDA9875_MVL 0x1a /* Main volume gauche */
-#define TDA9875_MVR 0x1b /* Main volume droite */
-#define TDA9875_MBA 0x1d /* Main Basse */
-#define TDA9875_MTR 0x1e /* Main treble */
-#define TDA9875_ACS 0x1f /* Auxilary channel select (FM) 0b0000000*/
-#define TDA9875_AVL 0x20 /* Auxilary volume gauche */
-#define TDA9875_AVR 0x21 /* Auxilary volume droite */
-#define TDA9875_ABA 0x22 /* Auxilary Basse */
-#define TDA9875_ATR 0x23 /* Auxilary treble */
-
-#define TDA9875_MSR 0x02 /* Monitor select register */
-#define TDA9875_C1MSB 0x03 /* Carrier 1 (FM) frequency register MSB */
-#define TDA9875_C1MIB 0x04 /* Carrier 1 (FM) frequency register (16-8]b */
-#define TDA9875_C1LSB 0x05 /* Carrier 1 (FM) frequency register LSB */
-#define TDA9875_C2MSB 0x06 /* Carrier 2 (nicam) frequency register MSB */
-#define TDA9875_C2MIB 0x07 /* Carrier 2 (nicam) frequency register (16-8]b */
-#define TDA9875_C2LSB 0x08 /* Carrier 2 (nicam) frequency register LSB */
-#define TDA9875_DCR 0x09 /* Demodulateur configuration regirter*/
-#define TDA9875_DEEM 0x0a /* FM de-emphasis regirter*/
-#define TDA9875_FMAT 0x0b /* FM Matrix regirter*/
-
-/* values */
-#define TDA9875_MUTE_ON 0xff /* general mute */
-#define TDA9875_MUTE_OFF 0xcc /* general no mute */
-
-
-
-/* Begin code */
-
-static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char val)
-{
- unsigned char buffer[2];
- dprintk("In tda9875_write\n");
- dprintk("Writing %d 0x%x\n", subaddr, val);
- buffer[0] = subaddr;
- buffer[1] = val;
- if (2 != i2c_master_send(client,buffer,2)) {
- printk(KERN_WARNING "tda9875: I/O error, trying (write %d 0x%x)\n",
- subaddr, val);
- return -1;
- }
- return 0;
-}
-
-
-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];
-}
-
-static void tda9875_set(struct i2c_client *client)
-{
- struct tda9875 *tda = i2c_get_clientdata(client);
- unsigned char a;
-
- dprintk(KERN_DEBUG "tda9875_set(%04x,%04x,%04x,%04x)\n",
- tda->lvol,tda->rvol,tda->bass,tda->treble);
-
-
- a = tda->lvol & 0xff;
- tda9875_write(client, TDA9875_MVL, a);
- a =tda->rvol & 0xff;
- tda9875_write(client, TDA9875_MVR, a);
- a =tda->bass & 0xff;
- tda9875_write(client, TDA9875_MBA, a);
- a =tda->treble & 0xff;
- tda9875_write(client, TDA9875_MTR, a);
-}
-
-static void do_tda9875_init(struct i2c_client *client)
-{
- struct tda9875 *t = i2c_get_clientdata(client);
- 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_C1MIB, 0x00 ); /*Car1(FM) MIB XMHz*/
- tda9875_write(client, TDA9875_C1LSB, 0x00 ); /*Car1(FM) LSB XMHz*/
- tda9875_write(client, TDA9875_C2MSB, 0x00 ); /*Car2(NICAM) MSB XMHz*/
- tda9875_write(client, TDA9875_C2MIB, 0x00 ); /*Car2(NICAM) MIB XMHz*/
- tda9875_write(client, TDA9875_C2LSB, 0x00 ); /*Car2(NICAM) LSB XMHz*/
- tda9875_write(client, TDA9875_DCR, 0x00 ); /*Demod config 0x00*/
- tda9875_write(client, TDA9875_DEEM, 0x44 ); /*DE-Emph 0b0100 0100*/
- 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_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_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->lvol=t->rvol =0; /* 0dB */
- t->bass=0; /* 0dB */
- t->treble=0; /* 0dB */
- tda9875_set(client);
-
-}
-
-
-/* *********************** *
- * i2c interface functions *
- * *********************** */
-
-static int tda9875_checkit(struct i2c_adapter *adap, int addr)
-{
- int dic,rev;
-
- dic=i2c_read_register(adap,addr,254);
- rev=i2c_read_register(adap,addr,255);
-
- if(dic==0 || dic==2) { // tda9875 and tda9875A
- printk("tda9875: TDA9875%s Rev.%d detected at 0x%x\n",
- dic==0?"":"A", rev,addr<<1);
- return 1;
- }
- printk("tda9875: no such chip at 0x%x (dic=0x%x rev=0x%x)\n",addr<<1,dic,rev);
- return(0);
-}
-
-static int tda9875_attach(struct i2c_adapter *adap, int addr, int kind)
-{
- struct tda9875 *t;
- struct i2c_client *client;
- dprintk("In tda9875_attach\n");
-
- t = kzalloc(sizeof *t,GFP_KERNEL);
- if (!t)
- return -ENOMEM;
-
- client = &t->c;
- 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");
-
- i2c_attach_client(client);
- return 0;
-}
-
-static int tda9875_probe(struct i2c_adapter *adap)
-{
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adap, &addr_data, tda9875_attach);
- return 0;
-}
-
-static int tda9875_detach(struct i2c_client *client)
-{
- struct tda9875 *t = i2c_get_clientdata(client);
-
- do_tda9875_init(client);
- i2c_detach_client(client);
-
- kfree(t);
- return 0;
-}
-
-static int tda9875_get_ctrl(struct i2c_client *client,
- struct v4l2_control *ctrl)
-{
- struct tda9875 *t = i2c_get_clientdata(client);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_VOLUME:
- {
- int left = (t->lvol+84)*606;
- int right = (t->rvol+84)*606;
-
- ctrl->value=max(left,right);
- return 0;
- }
- case V4L2_CID_AUDIO_BALANCE:
- {
- int left = (t->lvol+84)*606;
- int right = (t->rvol+84)*606;
- int volume = max(left,right);
- int balance = (32768*min(left,right))/
- (volume ? volume : 1);
- ctrl->value=(left<right)?
- (65535-balance) : balance;
- return 0;
- }
- case V4L2_CID_AUDIO_BASS:
- ctrl->value = (t->bass+12)*2427; /* min -12 max +15 */
- return 0;
- case V4L2_CID_AUDIO_TREBLE:
- ctrl->value = (t->treble+12)*2730;/* min -12 max +12 */
- return 0;
- }
- return -EINVAL;
-}
-
-static int tda9875_set_ctrl(struct i2c_client *client,
- struct v4l2_control *ctrl)
-{
- struct tda9875 *t = i2c_get_clientdata(client);
- int chvol=0, volume, balance, left, right;
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_VOLUME:
- left = (t->lvol+84)*606;
- right = (t->rvol+84)*606;
-
- volume = max(left,right);
- balance = (32768*min(left,right))/
- (volume ? volume : 1);
- balance =(left<right)?
- (65535-balance) : balance;
-
- volume = ctrl->value;
-
- chvol=1;
- break;
- case V4L2_CID_AUDIO_BALANCE:
- left = (t->lvol+84)*606;
- right = (t->rvol+84)*606;
-
- volume=max(left,right);
-
- balance = ctrl->value;
-
- chvol=1;
- break;
- case V4L2_CID_AUDIO_BASS:
- t->bass = ((ctrl->value/2400)-12) & 0xff;
- if (t->bass > 15)
- t->bass = 15;
- if (t->bass < -12)
- t->bass = -12 & 0xff;
- break;
- case V4L2_CID_AUDIO_TREBLE:
- t->treble = ((ctrl->value/2700)-12) & 0xff;
- if (t->treble > 12)
- t->treble = 12;
- if (t->treble < -12)
- t->treble = -12 & 0xff;
- break;
- default:
- return -EINVAL;
- }
-
- if (chvol) {
- left = (min(65536 - balance,32768) *
- volume) / 32768;
- right = (min(balance,32768) *
- volume) / 32768;
- t->lvol = ((left/606)-84) & 0xff;
- if (t->lvol > 24)
- t->lvol = 24;
- if (t->lvol < -84)
- t->lvol = -84 & 0xff;
-
- t->rvol = ((right/606)-84) & 0xff;
- if (t->rvol > 24)
- t->rvol = 24;
- if (t->rvol < -84)
- t->rvol = -84 & 0xff;
- }
-
-//printk("tda9875 bal:%04x vol:%04x bass:%04x treble:%04x\n",va->balance,va->volume,va->bass,va->treble);
-
- tda9875_set(client);
-
- return 0;
-}
-
-
-static int tda9875_command(struct i2c_client *client,
- unsigned int cmd, void *arg)
-{
- dprintk("In tda9875_command...\n");
-
- switch (cmd) {
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
-
- switch (qc->id) {
- case V4L2_CID_AUDIO_VOLUME:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- default:
- return -EINVAL;
- }
- return v4l2_ctrl_query_fill_std(qc);
- }
- case VIDIOC_S_CTRL:
- return tda9875_set_ctrl(client, arg);
-
- case VIDIOC_G_CTRL:
- return tda9875_get_ctrl(client, arg);
-
- default: /* Not VIDEOCGAUDIO or VIDEOCSAUDIO */
-
- /* nothing */
- dprintk("Default\n");
-
- } /* end of (cmd) switch */
-
- return 0;
-}
-
-
-static struct i2c_driver driver = {
- .driver = {
- .name = "tda9875",
- },
- .id = I2C_DRIVERID_TDA9875,
- .attach_adapter = tda9875_probe,
- .detach_client = tda9875_detach,
- .command = tda9875_command,
-};
-
-static struct i2c_client client_template =
-{
- .name = "tda9875",
- .driver = &driver,
-};
-
-static int __init tda9875_init(void)
-{
- return i2c_add_driver(&driver);
-}
-
-static void __exit tda9875_fini(void)
-{
- i2c_del_driver(&driver);
-}
-
-module_init(tda9875_init);
-module_exit(tda9875_fini);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
-
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