V4L/DVB (4219): Av7110: analog sound output of DVB-C rev 2.3
Added support for the msp34x5 audio dac. Analog sound output of Technotrend DVB-C 2300 (aka Hauppauge Nexus-CA) works now. Signed-off-by: Tim Kaiser <timkaiser@t-online.de> Signed-off-by: Marco Schluessler <marco@lordzodiac.de> Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Tim Kaiser
Mauro Carvalho Chehab
parent
4a4edcca22
commit
61391e0446
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@ -152,13 +152,9 @@ static void init_av7110_av(struct av7110 *av7110)
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/* remaining inits according to card and frontend type */
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av7110->analog_tuner_flags = 0;
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av7110->current_input = 0;
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if (dev->pci->subsystem_vendor == 0x13c2 && dev->pci->subsystem_device == 0x000a) {
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printk("dvb-ttpci: MSP3415 audio DAC @ card %d\n",
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av7110->dvb_adapter.num);
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av7110->adac_type = DVB_ADAC_MSP34x5;
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if (dev->pci->subsystem_vendor == 0x13c2 && dev->pci->subsystem_device == 0x000a)
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av7110_fw_cmd(av7110, COMTYPE_AUDIODAC, ADSwitch, 1, 0); // SPDIF on
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}
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else if (i2c_writereg(av7110, 0x20, 0x00, 0x00) == 1) {
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if (i2c_writereg(av7110, 0x20, 0x00, 0x00) == 1) {
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printk ("dvb-ttpci: Crystal audio DAC @ card %d detected\n",
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av7110->dvb_adapter.num);
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av7110->adac_type = DVB_ADAC_CRYSTAL;
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@ -318,7 +318,17 @@ int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
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msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
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msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
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return 0;
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case DVB_ADAC_MSP34x5:
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vol = (volleft > volright) ? volleft : volright;
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val = (vol * 0x73 / 255) << 8;
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if (vol > 0)
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balance = ((volright - volleft) * 127) / vol;
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msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
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msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
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return 0;
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}
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return 0;
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}
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@ -1267,23 +1277,32 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
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switch(av7110->audiostate.channel_select) {
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case AUDIO_STEREO:
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ret = audcom(av7110, AUDIO_CMD_STEREO);
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if (!ret)
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if (!ret) {
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if (av7110->adac_type == DVB_ADAC_CRYSTAL)
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i2c_writereg(av7110, 0x20, 0x02, 0x49);
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else if (av7110->adac_type == DVB_ADAC_MSP34x5)
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msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
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}
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break;
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case AUDIO_MONO_LEFT:
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ret = audcom(av7110, AUDIO_CMD_MONO_L);
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if (!ret)
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if (!ret) {
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if (av7110->adac_type == DVB_ADAC_CRYSTAL)
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i2c_writereg(av7110, 0x20, 0x02, 0x4a);
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else if (av7110->adac_type == DVB_ADAC_MSP34x5)
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msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
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}
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break;
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case AUDIO_MONO_RIGHT:
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ret = audcom(av7110, AUDIO_CMD_MONO_R);
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if (!ret)
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if (!ret) {
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if (av7110->adac_type == DVB_ADAC_CRYSTAL)
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i2c_writereg(av7110, 0x20, 0x02, 0x45);
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else if (av7110->adac_type == DVB_ADAC_MSP34x5)
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msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
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}
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break;
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default:
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@ -42,7 +42,18 @@
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int msp_writereg(struct av7110 *av7110, u8 dev, u16 reg, u16 val)
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{
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u8 msg[5] = { dev, reg >> 8, reg & 0xff, val >> 8 , val & 0xff };
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struct i2c_msg msgs = { .flags = 0, .addr = 0x40, .len = 5, .buf = msg };
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struct i2c_msg msgs = { .flags = 0, .len = 5, .buf = msg };
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switch (av7110->adac_type) {
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case DVB_ADAC_MSP34x0:
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msgs.addr = 0x40;
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break;
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case DVB_ADAC_MSP34x5:
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msgs.addr = 0x42;
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break;
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default:
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return 0;
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}
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if (i2c_transfer(&av7110->i2c_adap, &msgs, 1) != 1) {
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dprintk(1, "dvb-ttpci: failed @ card %d, %u = %u\n",
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@ -57,10 +68,23 @@ static int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
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u8 msg1[3] = { dev, reg >> 8, reg & 0xff };
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u8 msg2[2];
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struct i2c_msg msgs[2] = {
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{ .flags = 0, .addr = 0x40, .len = 3, .buf = msg1 },
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{ .flags = I2C_M_RD, .addr = 0x40, .len = 2, .buf = msg2 }
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{ .flags = 0 , .len = 3, .buf = msg1 },
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{ .flags = I2C_M_RD, .len = 2, .buf = msg2 }
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};
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switch (av7110->adac_type) {
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case DVB_ADAC_MSP34x0:
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msgs[0].addr = 0x40;
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msgs[1].addr = 0x40;
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break;
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case DVB_ADAC_MSP34x5:
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msgs[0].addr = 0x42;
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msgs[1].addr = 0x42;
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break;
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default:
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return 0;
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}
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if (i2c_transfer(&av7110->i2c_adap, &msgs[0], 2) != 2) {
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dprintk(1, "dvb-ttpci: failed @ card %d, %u\n",
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av7110->dvb_adapter.num, reg);
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@ -678,17 +702,23 @@ int av7110_init_analog_module(struct av7110 *av7110)
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{
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u16 version1, version2;
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if (i2c_writereg(av7110, 0x80, 0x0, 0x80) != 1
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|| i2c_writereg(av7110, 0x80, 0x0, 0) != 1)
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if (i2c_writereg(av7110, 0x80, 0x0, 0x80) == 1 &&
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i2c_writereg(av7110, 0x80, 0x0, 0) == 1) {
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printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3400\n",
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av7110->dvb_adapter.num);
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av7110->adac_type = DVB_ADAC_MSP34x0;
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} else if (i2c_writereg(av7110, 0x84, 0x0, 0x80) == 1 &&
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i2c_writereg(av7110, 0x84, 0x0, 0) == 1) {
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printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3415\n",
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av7110->dvb_adapter.num);
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av7110->adac_type = DVB_ADAC_MSP34x5;
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} else
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return -ENODEV;
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printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3400\n",
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av7110->dvb_adapter.num);
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av7110->adac_type = DVB_ADAC_MSP34x0;
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msleep(100); // the probing above resets the msp...
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msp_readreg(av7110, MSP_RD_DSP, 0x001e, &version1);
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msp_readreg(av7110, MSP_RD_DSP, 0x001f, &version2);
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dprintk(1, "dvb-ttpci: @ card %d MSP3400 version 0x%04x 0x%04x\n",
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dprintk(1, "dvb-ttpci: @ card %d MSP34xx version 0x%04x 0x%04x\n",
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av7110->dvb_adapter.num, version1, version2);
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msp_writereg(av7110, MSP_WR_DSP, 0x0013, 0x0c00);
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msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
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@ -697,7 +727,7 @@ int av7110_init_analog_module(struct av7110 *av7110)
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msp_writereg(av7110, MSP_WR_DSP, 0x0004, 0x7f00); // loudspeaker volume
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msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0220); // SCART 1 source
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msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x7f00); // SCART 1 volume
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msp_writereg(av7110, MSP_WR_DSP, 0x000d, 0x4800); // prescale SCART
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msp_writereg(av7110, MSP_WR_DSP, 0x000d, 0x1900); // prescale SCART
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if (i2c_writereg(av7110, 0x48, 0x01, 0x00)!=1) {
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INFO(("saa7113 not accessible.\n"));
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