diff options
| -rw-r--r-- | tas5825m-module/tas5825m.c | 158 |
1 files changed, 10 insertions, 148 deletions
diff --git a/tas5825m-module/tas5825m.c b/tas5825m-module/tas5825m.c index fdca808..612c94c 100644 --- a/tas5825m-module/tas5825m.c +++ b/tas5825m-module/tas5825m.c @@ -100,8 +100,8 @@ static int tas5825m_i2c_probe(struct i2c_client *client, tas5825m->pdn_gpio = NULL; } - /* power-up time may be as long as 1ms */ - mdelay(1); + /* power-up time may be as long as 5ms */ + mdelay(5); /* PAGE 0x00, BOOK 0x00 */ tas5825m_write_reg(client, 0x00, 0x00); @@ -109,13 +109,6 @@ static int tas5825m_i2c_probe(struct i2c_client *client, /* Reset register and digital core */ tas5825m_write_reg(client, 0x01, 0x11); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); /* PAGE 0x00, BOOK 0x00 */ tas5825m_write_reg(client, 0x00, 0x00); @@ -124,158 +117,27 @@ static int tas5825m_i2c_probe(struct i2c_client *client, /* Switch from deep sleep to Hi-z mode, keep mute enabled */ tas5825m_write_reg(client, 0x03, 0x12); - /* GPIO0, GPIO1 and GPIO2 as output */ + /* Configure GPIO0, GPIO1 and GPIO2 as outputs */ tas5825m_write_reg(client, 0x60, 0x07); tas5825m_write_reg(client, 0x61, 0x02); tas5825m_write_reg(client, 0x62, 0x02); tas5825m_write_reg(client, 0x63, 0x02); /* GPIO0 = 1, GPIO1 = 0, GPIO2 = 1 */ -// tas5825m_write_reg(client, 0x65, 0x05); - tas5825m_write_reg(client, 0x65, 0x00); + tas5825m_write_reg(client, 0x65, 0x05); - /* ??? */ - tas5825m_write_reg(client, 0x7f, 0x00); - tas5825m_write_reg(client, 0x7d, 0x11); /* ???? */ - tas5825m_write_reg(client, 0x7e, 0xff); /* ???? */ - tas5825m_write_reg(client, 0x00, 0x01); /* Page 0x01 */ - tas5825m_write_reg(client, 0x51, 0x05); - tas5825m_write_reg(client, 0x00, 0x02); /* Page 0x02 */ - tas5825m_write_reg(client, 0x19, 0xa0); - tas5825m_write_reg(client, 0x1d, 0x01); - tas5825m_write_reg(client, 0x00, 0x00); /* Page 0x00 */ - tas5825m_write_reg(client, 0x7f, 0x00); /* Book 0x00 */ - tas5825m_write_reg(client, 0x46, 0x01); /* DSP_CTRL */ - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x02, 0x42); /* # 768kHz, BTL, Hybrid mode */ + /* Configure the chip */ + tas5825m_write_reg(client, 0x02, 0x40); /* # 768kHz, BTL, BD mode */ tas5825m_write_reg(client, 0x53, 0x60); /* # 175kHz bandwidth */ - tas5825m_write_reg(client, 0x54, 0x04); /* Analog gain of -2.0dB (originally 0) */ - tas5825m_write_reg(client, 0x00, 0x00); /* Page 0x00 */ - tas5825m_write_reg(client, 0x7f, 0x00); /* Book 0x00 */ + tas5825m_write_reg(client, 0x54, 0x04); /* Analog gain of -2.0dB for 24V */ + tas5825m_write_reg(client, 0x4c, 0x30); /* Digital volume 0dB */ tas5825m_write_reg(client, 0x03, 0x02); /* Hiz, unmute */ + /* Wait for the device to settle down */ mdelay(5); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x00, 0x00); - tas5825m_write_reg(client, 0x7f, 0x8c); /* Book 0x8c */ - tas5825m_write_reg(client, 0x00, 0x06); /* Page 0x06 */ - tas5825m_write_reg(client, 0x38, 0x00); - tas5825m_write_reg(client, 0x39, 0x00); - tas5825m_write_reg(client, 0x3a, 0x04); - tas5825m_write_reg(client, 0x3b, 0x00); - - /* Tuning coeffs */ - tas5825m_write_reg(client, 0x00, 0x0b); /* Page 0x0b */ - tas5825m_write_reg(client, 0x50, 0x00); - tas5825m_write_reg(client, 0x51, 0x20); - tas5825m_write_reg(client, 0x52, 0xc4); - tas5825m_write_reg(client, 0x53, 0x9c); - tas5825m_write_reg(client, 0x5c, 0x7f); - tas5825m_write_reg(client, 0x5d, 0xff); - tas5825m_write_reg(client, 0x5e, 0xff); - tas5825m_write_reg(client, 0x5f, 0xff); - - /* Book 0x8c */ - tas5825m_write_reg(client, 0x00, 0x00); /* Page 0x00 */ - tas5825m_write_reg(client, 0x7f, 0x8c); /* Book 0x8c */ - - tas5825m_write_reg(client, 0x00, 0x01); /* Page 0x01 */ - tas5825m_write_reg(client, 0x28, 0x40); /* => enable AGL */ - tas5825m_write_reg(client, 0x29, 0x00); - tas5825m_write_reg(client, 0x2a, 0x00); - tas5825m_write_reg(client, 0x2b, 0x00); - - tas5825m_write_reg(client, 0x00, 0x0a); /* Page 0x0a */ - tas5825m_write_reg(client, 0x64, 0x00); /* Digital left from left = 0x00800000 */ - tas5825m_write_reg(client, 0x65, 0x80); - tas5825m_write_reg(client, 0x66, 0x00); - tas5825m_write_reg(client, 0x67, 0x00); - tas5825m_write_reg(client, 0x68, 0x00); /* Digital left from right = 0x00000000 */ - tas5825m_write_reg(client, 0x69, 0x00); - tas5825m_write_reg(client, 0x6a, 0x00); - tas5825m_write_reg(client, 0x6b, 0x00); - tas5825m_write_reg(client, 0x6c, 0x00); /* Digital right from left = 0x00000000 */ - tas5825m_write_reg(client, 0x6d, 0x00); - tas5825m_write_reg(client, 0x6e, 0x00); - tas5825m_write_reg(client, 0x6f, 0x00); - tas5825m_write_reg(client, 0x70, 0x00); /* Digital right from right = 0x008000000 */ - tas5825m_write_reg(client, 0x71, 0x80); - tas5825m_write_reg(client, 0x72, 0x00); - tas5825m_write_reg(client, 0x73, 0x00); - tas5825m_write_reg(client, 0x74, 0x00); /* Analog left from left = 0x008000000 */ - tas5825m_write_reg(client, 0x75, 0x80); - tas5825m_write_reg(client, 0x76, 0x00); - tas5825m_write_reg(client, 0x77, 0x00); - tas5825m_write_reg(client, 0x78, 0x00); /* Analog left from right = 0x00000000 */ - tas5825m_write_reg(client, 0x79, 0x00); - tas5825m_write_reg(client, 0x7a, 0x00); - tas5825m_write_reg(client, 0x7b, 0x00); - tas5825m_write_reg(client, 0x7c, 0x00); /* Analog right from left = 0x00000000 */ - tas5825m_write_reg(client, 0x7d, 0x00); - tas5825m_write_reg(client, 0x7e, 0x00); - tas5825m_write_reg(client, 0x7f, 0x00); - - tas5825m_write_reg(client, 0x00, 0x0b); /* Page 0x0b */ - tas5825m_write_reg(client, 0x08, 0x00); /* Analog right from right = 0x008000000 */ - tas5825m_write_reg(client, 0x09, 0x80); - tas5825m_write_reg(client, 0x0a, 0x00); - tas5825m_write_reg(client, 0x0b, 0x00); - - tas5825m_write_reg(client, 0x38, 0x02); /* AGL PVDD alpha */ - tas5825m_write_reg(client, 0x39, 0xa3); - tas5825m_write_reg(client, 0x3a, 0x9a); - tas5825m_write_reg(client, 0x3b, 0xcc); - tas5825m_write_reg(client, 0x3c, 0x00); /* AGL temp alpha */ - tas5825m_write_reg(client, 0x3d, 0x06); - tas5825m_write_reg(client, 0x3e, 0xd3); - tas5825m_write_reg(client, 0x3f, 0x72); - - tas5825m_write_reg(client, 0x48, 0x04); /* AGL softening filter */ - tas5825m_write_reg(client, 0x49, 0xc1); - tas5825m_write_reg(client, 0x4a, 0xff); - tas5825m_write_reg(client, 0x4b, 0x93); - tas5825m_write_reg(client, 0x4c, 0x01); /* AGL attack rate */ - tas5825m_write_reg(client, 0x4d, 0x12); - tas5825m_write_reg(client, 0x4e, 0x6e); - tas5825m_write_reg(client, 0x4f, 0x98); - - tas5825m_write_reg(client, 0x54, 0x7b); /* AGL softening filter omega */ - tas5825m_write_reg(client, 0x55, 0x3e); - tas5825m_write_reg(client, 0x56, 0x00); - tas5825m_write_reg(client, 0x57, 0x6d); - tas5825m_write_reg(client, 0x58, 0x00); /* AGL release rate */ - tas5825m_write_reg(client, 0x59, 0x00); - tas5825m_write_reg(client, 0x5a, 0xae); - tas5825m_write_reg(client, 0x5b, 0xc3); - - tas5825m_write_reg(client, 0x60, 0x08); /* AGL PVDD threshold*/ - tas5825m_write_reg(client, 0x61, 0x13); - tas5825m_write_reg(client, 0x62, 0x85); - tas5825m_write_reg(client, 0x63, 0x62); - tas5825m_write_reg(client, 0x64, 0x00); /* AGL temp scale */ - tas5825m_write_reg(client, 0x65, 0x80); - tas5825m_write_reg(client, 0x66, 0x00); - tas5825m_write_reg(client, 0x67, 0x00); - tas5825m_write_reg(client, 0x6c, 0x00); /* AGL volt scale */ - tas5825m_write_reg(client, 0x6d, 0x78); - tas5825m_write_reg(client, 0x6e, 0xd6); - tas5825m_write_reg(client, 0x6f, 0xfd); - tas5825m_write_reg(client, 0x70, 0x00); /* Volt/temp scale */ - tas5825m_write_reg(client, 0x71, 0x08); - tas5825m_write_reg(client, 0x72, 0x13); - tas5825m_write_reg(client, 0x73, 0x85); - - /* Register Tuning */ - tas5825m_write_reg(client, 0x00, 0x00); /* Page 0x00 */ - tas5825m_write_reg(client, 0x7f, 0x00); /* Book 0x00 */ - tas5825m_write_reg(client, 0x30, 0x00); /* SDOUT is the DSP output */ - tas5825m_write_reg(client, 0x4c, 0x30); /* Digital volume 0dB */ + /* Start playing */ tas5825m_write_reg(client, 0x03, 0x03); /* Play mode */ - tas5825m_write_reg(client, 0x00, 0x00); /* Page 0x00 */ - tas5825m_write_reg(client, 0x7f, 0x00); /* Book 0x00 */ tas5825m_write_reg(client, 0x78, 0x80); /* Clear analog fault */ ret = devm_snd_soc_register_component(dev, |