diff options
Diffstat (limited to 'drivers/media/video/tda9875.c')
| -rw-r--r-- | drivers/media/video/tda9875.c | 348 |
1 files changed, 151 insertions, 197 deletions
diff --git a/drivers/media/video/tda9875.c b/drivers/media/video/tda9875.c index 792f0b079909..56f0c0eb500f 100644 --- a/drivers/media/video/tda9875.c +++ b/drivers/media/video/tda9875.c @@ -25,11 +25,10 @@ #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 <linux/videodev2.h> +#include <media/v4l2-device.h> +#include <media/v4l2-i2c-drv-legacy.h> #include <media/i2c-addr.h> static int debug; /* insmod parameter */ @@ -46,13 +45,15 @@ I2C_CLIENT_INSMOD; /* This is a superset of the TDA9875 */ struct tda9875 { + struct v4l2_subdev sd; int rvol, lvol; int bass, treble; - struct i2c_client c; }; -static struct i2c_driver driver; -static struct i2c_client client_template; +static inline struct tda9875 *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct tda9875, sd); +} #define dprintk if (debug) printk @@ -105,15 +106,16 @@ static struct i2c_client client_template; /* Begin code */ -static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char val) +static int tda9875_write(struct v4l2_subdev *sd, int subaddr, unsigned char val) { + struct i2c_client *client = v4l2_get_subdevdata(sd); unsigned char buffer[2]; - dprintk("In tda9875_write\n"); - dprintk("Writing %d 0x%x\n", subaddr, val); + + v4l2_dbg(1, debug, sd, "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", + if (2 != i2c_master_send(client, buffer, 2)) { + v4l2_warn(sd, "I/O error, trying (write %d 0x%x)\n", subaddr, val); return -1; } @@ -121,7 +123,7 @@ static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char v } -static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg) +static int i2c_read_register(struct i2c_client *client, int addr, int reg) { unsigned char write[1]; unsigned char read[1]; @@ -129,150 +131,83 @@ static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg) { 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"); + if (2 != i2c_transfer(client->adapter, msgs, 2)) { + v4l_warn(client, "I/O error (read2)\n"); return -1; } - dprintk("tda9875: chip_read2: reg%d=0x%x\n",reg,read[0]); + v4l_dbg(1, debug, client, "chip_read2: reg%d=0x%x\n", reg, read[0]); return read[0]; } -static void tda9875_set(struct i2c_client *client) +static void tda9875_set(struct v4l2_subdev *sd) { - struct tda9875 *tda = i2c_get_clientdata(client); + struct tda9875 *tda = to_state(sd); unsigned char a; - dprintk(KERN_DEBUG "tda9875_set(%04x,%04x,%04x,%04x)\n", - tda->lvol,tda->rvol,tda->bass,tda->treble); - + v4l2_dbg(1, debug, sd, "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); + tda9875_write(sd, TDA9875_MVL, a); a =tda->rvol & 0xff; - tda9875_write(client, TDA9875_MVR, a); + tda9875_write(sd, TDA9875_MVR, a); a =tda->bass & 0xff; - tda9875_write(client, TDA9875_MBA, a); + tda9875_write(sd, TDA9875_MBA, a); a =tda->treble & 0xff; - tda9875_write(client, TDA9875_MTR, a); + tda9875_write(sd, TDA9875_MTR, a); } -static void do_tda9875_init(struct i2c_client *client) +static void do_tda9875_init(struct v4l2_subdev *sd) { - 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); - + struct tda9875 *t = to_state(sd); + + v4l2_dbg(1, debug, sd, "In tda9875_init\n"); + tda9875_write(sd, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/ + tda9875_write(sd, TDA9875_MSR, 0x03); /* Monitor 0b00000XXX*/ + tda9875_write(sd, TDA9875_C1MSB, 0x00); /*Car1(FM) MSB XMHz*/ + tda9875_write(sd, TDA9875_C1MIB, 0x00); /*Car1(FM) MIB XMHz*/ + tda9875_write(sd, TDA9875_C1LSB, 0x00); /*Car1(FM) LSB XMHz*/ + tda9875_write(sd, TDA9875_C2MSB, 0x00); /*Car2(NICAM) MSB XMHz*/ + tda9875_write(sd, TDA9875_C2MIB, 0x00); /*Car2(NICAM) MIB XMHz*/ + tda9875_write(sd, TDA9875_C2LSB, 0x00); /*Car2(NICAM) LSB XMHz*/ + tda9875_write(sd, TDA9875_DCR, 0x00); /*Demod config 0x00*/ + tda9875_write(sd, TDA9875_DEEM, 0x44); /*DE-Emph 0b0100 0100*/ + tda9875_write(sd, TDA9875_FMAT, 0x00); /*FM Matrix reg 0x00*/ + tda9875_write(sd, TDA9875_SC1, 0x00); /* SCART 1 (SC1)*/ + tda9875_write(sd, TDA9875_SC2, 0x01); /* SCART 2 (sc2)*/ + + tda9875_write(sd, TDA9875_CH1V, 0x10); /* Channel volume 1 mute*/ + tda9875_write(sd, TDA9875_CH2V, 0x10); /* Channel volume 2 mute */ + tda9875_write(sd, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/ + tda9875_write(sd, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/ + tda9875_write(sd, TDA9875_LOSR, 0x00); /* line out (in:mono)*/ + tda9875_write(sd, TDA9875_AER, 0x00); /*06 Effect (AVL+PSEUDO) */ + tda9875_write(sd, TDA9875_MCS, 0x44); /* Main ch select (DAC) */ + tda9875_write(sd, TDA9875_MVL, 0x03); /* Vol Main left 10dB */ + tda9875_write(sd, TDA9875_MVR, 0x03); /* Vol Main right 10dB*/ + tda9875_write(sd, TDA9875_MBA, 0x00); /* Main Bass Main 0dB*/ + tda9875_write(sd, TDA9875_MTR, 0x00); /* Main Treble Main 0dB*/ + tda9875_write(sd, TDA9875_ACS, 0x44); /* Aux chan select (dac)*/ + tda9875_write(sd, TDA9875_AVL, 0x00); /* Vol Aux left 0dB*/ + tda9875_write(sd, TDA9875_AVR, 0x00); /* Vol Aux right 0dB*/ + tda9875_write(sd, TDA9875_ABA, 0x00); /* Aux Bass Main 0dB*/ + tda9875_write(sd, TDA9875_ATR, 0x00); /* Aux Aigus Main 0dB*/ + + tda9875_write(sd, TDA9875_MUT, 0xcc); /* General mute */ + + t->lvol = t->rvol = 0; /* 0dB */ + t->bass = 0; /* 0dB */ + t->treble = 0; /* 0dB */ + tda9875_set(sd); } -/* *********************** * - * 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) +static int tda9875_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - 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); + struct tda9875 *t = to_state(sd); switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: @@ -304,10 +239,9 @@ static int tda9875_get_ctrl(struct i2c_client *client, return -EINVAL; } -static int tda9875_set_ctrl(struct i2c_client *client, - struct v4l2_control *ctrl) +static int tda9875_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - struct tda9875 *t = i2c_get_clientdata(client); + struct tda9875 *t = to_state(sd); int chvol=0, volume, balance, left, right; switch (ctrl->id) { @@ -371,85 +305,105 @@ static int tda9875_set_ctrl(struct i2c_client *client, 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); - + tda9875_set(sd); return 0; } - -static int tda9875_command(struct i2c_client *client, - unsigned int cmd, void *arg) +static int tda9875_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) { - 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; - } + switch (qc->id) { + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: return v4l2_ctrl_query_fill_std(qc); } - case VIDIOC_S_CTRL: - return tda9875_set_ctrl(client, arg); + return -EINVAL; +} - case VIDIOC_G_CTRL: - return tda9875_get_ctrl(client, arg); +static int tda9875_command(struct i2c_client *client, unsigned cmd, void *arg) +{ + return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); +} - default: /* Not VIDEOCGAUDIO or VIDEOCSAUDIO */ +/* ----------------------------------------------------------------------- */ - /* nothing */ - dprintk("Default\n"); +static const struct v4l2_subdev_core_ops tda9875_core_ops = { + .queryctrl = tda9875_queryctrl, + .g_ctrl = tda9875_g_ctrl, + .s_ctrl = tda9875_s_ctrl, +}; - } /* end of (cmd) switch */ +static const struct v4l2_subdev_ops tda9875_ops = { + .core = &tda9875_core_ops, +}; - 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, -}; +/* *********************** * + * i2c interface functions * + * *********************** */ -static struct i2c_client client_template = +static int tda9875_checkit(struct i2c_client *client, int addr) { - .name = "tda9875", - .driver = &driver, -}; + int dic, rev; -static int __init tda9875_init(void) -{ - return i2c_add_driver(&driver); + dic = i2c_read_register(client, addr, 254); + rev = i2c_read_register(client, addr, 255); + + if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */ + v4l_info(client, "tda9875%s rev. %d detected at 0x%02x\n", + dic == 0 ? "" : "A", rev, addr << 1); + return 1; + } + v4l_info(client, "no such chip at 0x%02x (dic=0x%x rev=0x%x)\n", + addr << 1, dic, rev); + return 0; } -static void __exit tda9875_fini(void) +static int tda9875_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - i2c_del_driver(&driver); + struct tda9875 *t; + struct v4l2_subdev *sd; + + v4l_info(client, "chip found @ 0x%02x (%s)\n", + client->addr << 1, client->adapter->name); + + if (!tda9875_checkit(client, client->addr)) + return -ENODEV; + + t = kzalloc(sizeof(*t), GFP_KERNEL); + if (!t) + return -ENOMEM; + sd = &t->sd; + v4l2_i2c_subdev_init(sd, client, &tda9875_ops); + + do_tda9875_init(sd); + return 0; } -module_init(tda9875_init); -module_exit(tda9875_fini); +static int tda9875_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ + do_tda9875_init(sd); + v4l2_device_unregister_subdev(sd); + kfree(to_state(sd)); + return 0; +} +static const struct i2c_device_id tda9875_id[] = { + { "tda9875", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tda9875_id); + +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "tda9875", + .driverid = I2C_DRIVERID_TDA9875, + .command = tda9875_command, + .probe = tda9875_probe, + .remove = tda9875_remove, + .id_table = tda9875_id, +}; |