V4L/DVB (9966): tda9875: convert to v4l2_subdev.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
973909e816
commit
12f91a3fac
1 changed files with 148 additions and 194 deletions
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@ -25,11 +25,10 @@
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-i2c-drv-legacy.h>
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#include <media/i2c-addr.h>
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static int debug; /* insmod parameter */
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@ -46,13 +45,15 @@ I2C_CLIENT_INSMOD;
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/* This is a superset of the TDA9875 */
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struct tda9875 {
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struct v4l2_subdev sd;
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int rvol, lvol;
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int bass, treble;
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struct i2c_client c;
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};
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static struct i2c_driver driver;
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static struct i2c_client client_template;
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static inline struct tda9875 *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct tda9875, sd);
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}
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#define dprintk if (debug) printk
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@ -105,15 +106,16 @@ static struct i2c_client client_template;
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/* Begin code */
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static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char val)
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static int tda9875_write(struct v4l2_subdev *sd, int subaddr, unsigned char val)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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unsigned char buffer[2];
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dprintk("In tda9875_write\n");
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dprintk("Writing %d 0x%x\n", subaddr, val);
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v4l2_dbg(1, debug, sd, "Writing %d 0x%x\n", subaddr, val);
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buffer[0] = subaddr;
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buffer[1] = val;
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if (2 != i2c_master_send(client,buffer,2)) {
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printk(KERN_WARNING "tda9875: I/O error, trying (write %d 0x%x)\n",
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if (2 != i2c_master_send(client, buffer, 2)) {
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v4l2_warn(sd, "I/O error, trying (write %d 0x%x)\n",
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subaddr, val);
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return -1;
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}
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@ -121,7 +123,7 @@ static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char v
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}
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static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg)
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static int i2c_read_register(struct i2c_client *client, int addr, int reg)
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{
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unsigned char write[1];
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unsigned char read[1];
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@ -129,150 +131,83 @@ static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg)
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{ addr, 0, 1, write },
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{ addr, I2C_M_RD, 1, read }
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};
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write[0] = reg;
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if (2 != i2c_transfer(adap,msgs,2)) {
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printk(KERN_WARNING "tda9875: I/O error (read2)\n");
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if (2 != i2c_transfer(client->adapter, msgs, 2)) {
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v4l_warn(client, "I/O error (read2)\n");
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return -1;
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}
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dprintk("tda9875: chip_read2: reg%d=0x%x\n",reg,read[0]);
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v4l_dbg(1, debug, client, "chip_read2: reg%d=0x%x\n", reg, read[0]);
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return read[0];
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}
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static void tda9875_set(struct i2c_client *client)
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static void tda9875_set(struct v4l2_subdev *sd)
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{
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struct tda9875 *tda = i2c_get_clientdata(client);
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struct tda9875 *tda = to_state(sd);
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unsigned char a;
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dprintk(KERN_DEBUG "tda9875_set(%04x,%04x,%04x,%04x)\n",
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tda->lvol,tda->rvol,tda->bass,tda->treble);
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v4l2_dbg(1, debug, sd, "tda9875_set(%04x,%04x,%04x,%04x)\n",
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tda->lvol, tda->rvol, tda->bass, tda->treble);
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a = tda->lvol & 0xff;
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tda9875_write(client, TDA9875_MVL, a);
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tda9875_write(sd, TDA9875_MVL, a);
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a =tda->rvol & 0xff;
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tda9875_write(client, TDA9875_MVR, a);
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tda9875_write(sd, TDA9875_MVR, a);
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a =tda->bass & 0xff;
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tda9875_write(client, TDA9875_MBA, a);
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tda9875_write(sd, TDA9875_MBA, a);
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a =tda->treble & 0xff;
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tda9875_write(client, TDA9875_MTR, a);
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tda9875_write(sd, TDA9875_MTR, a);
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}
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static void do_tda9875_init(struct i2c_client *client)
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static void do_tda9875_init(struct v4l2_subdev *sd)
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{
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struct tda9875 *t = i2c_get_clientdata(client);
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dprintk("In tda9875_init\n");
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tda9875_write(client, TDA9875_CFG, 0xd0 ); /*reg de config 0 (reset)*/
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tda9875_write(client, TDA9875_MSR, 0x03 ); /* Monitor 0b00000XXX*/
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tda9875_write(client, TDA9875_C1MSB, 0x00 ); /*Car1(FM) MSB XMHz*/
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tda9875_write(client, TDA9875_C1MIB, 0x00 ); /*Car1(FM) MIB XMHz*/
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tda9875_write(client, TDA9875_C1LSB, 0x00 ); /*Car1(FM) LSB XMHz*/
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tda9875_write(client, TDA9875_C2MSB, 0x00 ); /*Car2(NICAM) MSB XMHz*/
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tda9875_write(client, TDA9875_C2MIB, 0x00 ); /*Car2(NICAM) MIB XMHz*/
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tda9875_write(client, TDA9875_C2LSB, 0x00 ); /*Car2(NICAM) LSB XMHz*/
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tda9875_write(client, TDA9875_DCR, 0x00 ); /*Demod config 0x00*/
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tda9875_write(client, TDA9875_DEEM, 0x44 ); /*DE-Emph 0b0100 0100*/
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tda9875_write(client, TDA9875_FMAT, 0x00 ); /*FM Matrix reg 0x00*/
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tda9875_write(client, TDA9875_SC1, 0x00 ); /* SCART 1 (SC1)*/
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tda9875_write(client, TDA9875_SC2, 0x01 ); /* SCART 2 (sc2)*/
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struct tda9875 *t = to_state(sd);
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tda9875_write(client, TDA9875_CH1V, 0x10 ); /* Channel volume 1 mute*/
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tda9875_write(client, TDA9875_CH2V, 0x10 ); /* Channel volume 2 mute */
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tda9875_write(client, TDA9875_DACOS, 0x02 ); /* sig DAC i/o(in:nicam)*/
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tda9875_write(client, TDA9875_ADCIS, 0x6f ); /* sig ADC input(in:mono)*/
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tda9875_write(client, TDA9875_LOSR, 0x00 ); /* line out (in:mono)*/
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tda9875_write(client, TDA9875_AER, 0x00 ); /*06 Effect (AVL+PSEUDO) */
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tda9875_write(client, TDA9875_MCS, 0x44 ); /* Main ch select (DAC) */
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tda9875_write(client, TDA9875_MVL, 0x03 ); /* Vol Main left 10dB */
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tda9875_write(client, TDA9875_MVR, 0x03 ); /* Vol Main right 10dB*/
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tda9875_write(client, TDA9875_MBA, 0x00 ); /* Main Bass Main 0dB*/
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tda9875_write(client, TDA9875_MTR, 0x00 ); /* Main Treble Main 0dB*/
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tda9875_write(client, TDA9875_ACS, 0x44 ); /* Aux chan select (dac)*/
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tda9875_write(client, TDA9875_AVL, 0x00 ); /* Vol Aux left 0dB*/
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tda9875_write(client, TDA9875_AVR, 0x00 ); /* Vol Aux right 0dB*/
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tda9875_write(client, TDA9875_ABA, 0x00 ); /* Aux Bass Main 0dB*/
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tda9875_write(client, TDA9875_ATR, 0x00 ); /* Aux Aigus Main 0dB*/
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v4l2_dbg(1, debug, sd, "In tda9875_init\n");
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tda9875_write(sd, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/
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tda9875_write(sd, TDA9875_MSR, 0x03); /* Monitor 0b00000XXX*/
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tda9875_write(sd, TDA9875_C1MSB, 0x00); /*Car1(FM) MSB XMHz*/
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tda9875_write(sd, TDA9875_C1MIB, 0x00); /*Car1(FM) MIB XMHz*/
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tda9875_write(sd, TDA9875_C1LSB, 0x00); /*Car1(FM) LSB XMHz*/
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tda9875_write(sd, TDA9875_C2MSB, 0x00); /*Car2(NICAM) MSB XMHz*/
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tda9875_write(sd, TDA9875_C2MIB, 0x00); /*Car2(NICAM) MIB XMHz*/
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tda9875_write(sd, TDA9875_C2LSB, 0x00); /*Car2(NICAM) LSB XMHz*/
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tda9875_write(sd, TDA9875_DCR, 0x00); /*Demod config 0x00*/
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tda9875_write(sd, TDA9875_DEEM, 0x44); /*DE-Emph 0b0100 0100*/
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tda9875_write(sd, TDA9875_FMAT, 0x00); /*FM Matrix reg 0x00*/
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tda9875_write(sd, TDA9875_SC1, 0x00); /* SCART 1 (SC1)*/
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tda9875_write(sd, TDA9875_SC2, 0x01); /* SCART 2 (sc2)*/
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tda9875_write(client, TDA9875_MUT, 0xcc ); /* General mute */
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tda9875_write(sd, TDA9875_CH1V, 0x10); /* Channel volume 1 mute*/
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tda9875_write(sd, TDA9875_CH2V, 0x10); /* Channel volume 2 mute */
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tda9875_write(sd, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/
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tda9875_write(sd, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/
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tda9875_write(sd, TDA9875_LOSR, 0x00); /* line out (in:mono)*/
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tda9875_write(sd, TDA9875_AER, 0x00); /*06 Effect (AVL+PSEUDO) */
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tda9875_write(sd, TDA9875_MCS, 0x44); /* Main ch select (DAC) */
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tda9875_write(sd, TDA9875_MVL, 0x03); /* Vol Main left 10dB */
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tda9875_write(sd, TDA9875_MVR, 0x03); /* Vol Main right 10dB*/
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tda9875_write(sd, TDA9875_MBA, 0x00); /* Main Bass Main 0dB*/
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tda9875_write(sd, TDA9875_MTR, 0x00); /* Main Treble Main 0dB*/
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tda9875_write(sd, TDA9875_ACS, 0x44); /* Aux chan select (dac)*/
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tda9875_write(sd, TDA9875_AVL, 0x00); /* Vol Aux left 0dB*/
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tda9875_write(sd, TDA9875_AVR, 0x00); /* Vol Aux right 0dB*/
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tda9875_write(sd, TDA9875_ABA, 0x00); /* Aux Bass Main 0dB*/
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tda9875_write(sd, TDA9875_ATR, 0x00); /* Aux Aigus Main 0dB*/
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t->lvol=t->rvol =0; /* 0dB */
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t->bass=0; /* 0dB */
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t->treble=0; /* 0dB */
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tda9875_set(client);
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tda9875_write(sd, TDA9875_MUT, 0xcc); /* General mute */
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t->lvol = t->rvol = 0; /* 0dB */
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t->bass = 0; /* 0dB */
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t->treble = 0; /* 0dB */
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tda9875_set(sd);
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}
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/* *********************** *
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* i2c interface functions *
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* *********************** */
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static int tda9875_checkit(struct i2c_adapter *adap, int addr)
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static int tda9875_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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int dic,rev;
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dic=i2c_read_register(adap,addr,254);
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rev=i2c_read_register(adap,addr,255);
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if(dic==0 || dic==2) { // tda9875 and tda9875A
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printk("tda9875: TDA9875%s Rev.%d detected at 0x%x\n",
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dic==0?"":"A", rev,addr<<1);
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return 1;
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}
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printk("tda9875: no such chip at 0x%x (dic=0x%x rev=0x%x)\n",addr<<1,dic,rev);
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return(0);
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}
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static int tda9875_attach(struct i2c_adapter *adap, int addr, int kind)
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{
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struct tda9875 *t;
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struct i2c_client *client;
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dprintk("In tda9875_attach\n");
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t = kzalloc(sizeof *t,GFP_KERNEL);
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if (!t)
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return -ENOMEM;
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client = &t->c;
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memcpy(client,&client_template,sizeof(struct i2c_client));
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client->adapter = adap;
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client->addr = addr;
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i2c_set_clientdata(client, t);
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if(!tda9875_checkit(adap,addr)) {
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kfree(t);
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return 1;
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}
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do_tda9875_init(client);
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printk(KERN_INFO "tda9875: init\n");
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i2c_attach_client(client);
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return 0;
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}
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static int tda9875_probe(struct i2c_adapter *adap)
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{
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if (adap->class & I2C_CLASS_TV_ANALOG)
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return i2c_probe(adap, &addr_data, tda9875_attach);
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return 0;
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}
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static int tda9875_detach(struct i2c_client *client)
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{
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struct tda9875 *t = i2c_get_clientdata(client);
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do_tda9875_init(client);
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i2c_detach_client(client);
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kfree(t);
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return 0;
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}
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static int tda9875_get_ctrl(struct i2c_client *client,
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struct v4l2_control *ctrl)
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{
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struct tda9875 *t = i2c_get_clientdata(client);
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struct tda9875 *t = to_state(sd);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_VOLUME:
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@ -304,10 +239,9 @@ static int tda9875_get_ctrl(struct i2c_client *client,
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return -EINVAL;
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}
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static int tda9875_set_ctrl(struct i2c_client *client,
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struct v4l2_control *ctrl)
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static int tda9875_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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struct tda9875 *t = i2c_get_clientdata(client);
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struct tda9875 *t = to_state(sd);
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int chvol=0, volume, balance, left, right;
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switch (ctrl->id) {
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@ -371,85 +305,105 @@ static int tda9875_set_ctrl(struct i2c_client *client,
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t->rvol = -84 & 0xff;
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}
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//printk("tda9875 bal:%04x vol:%04x bass:%04x treble:%04x\n",va->balance,va->volume,va->bass,va->treble);
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tda9875_set(client);
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tda9875_set(sd);
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return 0;
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}
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static int tda9875_command(struct i2c_client *client,
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unsigned int cmd, void *arg)
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static int tda9875_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
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{
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dprintk("In tda9875_command...\n");
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switch (cmd) {
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/* --- v4l ioctls --- */
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/* take care: bttv does userspace copying, we'll get a
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kernel pointer here... */
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case VIDIOC_QUERYCTRL:
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{
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struct v4l2_queryctrl *qc = arg;
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switch (qc->id) {
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case V4L2_CID_AUDIO_VOLUME:
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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default:
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return -EINVAL;
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}
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switch (qc->id) {
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case V4L2_CID_AUDIO_VOLUME:
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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return v4l2_ctrl_query_fill_std(qc);
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}
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case VIDIOC_S_CTRL:
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return tda9875_set_ctrl(client, arg);
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return -EINVAL;
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}
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case VIDIOC_G_CTRL:
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return tda9875_get_ctrl(client, arg);
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static int tda9875_command(struct i2c_client *client, unsigned cmd, void *arg)
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{
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return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
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}
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default: /* Not VIDEOCGAUDIO or VIDEOCSAUDIO */
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/* ----------------------------------------------------------------------- */
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/* nothing */
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dprintk("Default\n");
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static const struct v4l2_subdev_core_ops tda9875_core_ops = {
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.queryctrl = tda9875_queryctrl,
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.g_ctrl = tda9875_g_ctrl,
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.s_ctrl = tda9875_s_ctrl,
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};
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} /* end of (cmd) switch */
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static const struct v4l2_subdev_ops tda9875_ops = {
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.core = &tda9875_core_ops,
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};
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/* ----------------------------------------------------------------------- */
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/* *********************** *
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* i2c interface functions *
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* *********************** */
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static int tda9875_checkit(struct i2c_client *client, int addr)
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{
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int dic, rev;
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dic = i2c_read_register(client, addr, 254);
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rev = i2c_read_register(client, addr, 255);
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if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */
|
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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 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 =
|
||||
static int tda9875_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
.name = "tda9875",
|
||||
.driver = &driver,
|
||||
};
|
||||
struct tda9875 *t;
|
||||
struct v4l2_subdev *sd;
|
||||
|
||||
static int __init tda9875_init(void)
|
||||
{
|
||||
return i2c_add_driver(&driver);
|
||||
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;
|
||||
}
|
||||
|
||||
static void __exit tda9875_fini(void)
|
||||
static int tda9875_remove(struct i2c_client *client)
|
||||
{
|
||||
i2c_del_driver(&driver);
|
||||
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
||||
|
||||
do_tda9875_init(sd);
|
||||
v4l2_device_unregister_subdev(sd);
|
||||
kfree(to_state(sd));
|
||||
return 0;
|
||||
}
|
||||
|
||||
module_init(tda9875_init);
|
||||
module_exit(tda9875_fini);
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* c-basic-offset: 8
|
||||
* End:
|
||||
*/
|
||||
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,
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in a new issue