diff options
Diffstat (limited to 'sound/pci/ca0106/ca0106_main.c')
| -rw-r--r-- | sound/pci/ca0106/ca0106_main.c | 70 |
1 files changed, 66 insertions, 4 deletions
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index a56e68ea87bc..58d9026c8ca6 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -1,7 +1,7 @@ /* * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk> * Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit - * Version: 0.0.22 + * Version: 0.0.23 * * FEATURES currently supported: * Front, Rear and Center/LFE. @@ -77,6 +77,8 @@ * Add SPDIF capture using optional digital I/O module for SB Live 24bit. (Analog capture does not yet work.) * 0.0.22 * Add support for MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97. From kiksen, bug #901 + * 0.0.23 + * Implement support for Line-in capture on SB Live 24bit. * * BUGS: * Some stability problems when unloading the snd-ca0106 kernel module. @@ -173,15 +175,18 @@ static ca0106_details_t ca0106_chip_details[] = { /* New Sound Blaster Live! 7.1 24bit. This does not have an AC97. 53SB041000001 */ { .serial = 0x10061102, .name = "Live! 7.1 24bit [SB0410]", - .gpio_type = 1 } , + .gpio_type = 1, + .i2c_adc = 1 } , /* New Dell Sound Blaster Live! 7.1 24bit. This does not have an AC97. */ { .serial = 0x10071102, .name = "Live! 7.1 24bit [SB0413]", - .gpio_type = 1 } , + .gpio_type = 1, + .i2c_adc = 1 } , /* MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97 */ { .serial = 0x10091462, .name = "MSI K8N Diamond MB [SB0438]", - .gpio_type = 1 } , + .gpio_type = 1, + .i2c_adc = 1 } , { .serial = 0, .name = "AudigyLS [Unknown]" } }; @@ -257,6 +262,59 @@ void snd_ca0106_ptr_write(ca0106_t *emu, spin_unlock_irqrestore(&emu->emu_lock, flags); } +int snd_ca0106_i2c_write(ca0106_t *emu, + u32 reg, + u32 value) +{ + u32 tmp; + int timeout=0; + int status; + int retry; + if ((reg > 0x7f) || (value > 0x1ff)) + { + snd_printk("i2c_write: invalid values.\n"); + return -EINVAL; + } + + tmp = reg << 25 | value << 16; + snd_ca0106_ptr_write(emu, I2C_D0, 0, tmp); + snd_ca0106_ptr_write(emu, I2C_D1, 0, tmp); + + for(retry=0;retry<10;retry++) + { + /* Send the data to i2c */ + tmp = snd_ca0106_ptr_read(emu, I2C_A, 0); + tmp = tmp & ~(I2C_A_ADC_READ|I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD_MASK); + tmp = tmp | (I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD); + snd_ca0106_ptr_write(emu, I2C_A, 0, tmp); + + /* Wait till the transaction ends */ + while(1) + { + status = snd_ca0106_ptr_read(emu, I2C_A, 0); + //snd_printk("I2C:status=0x%x\n", status); + timeout++; + if((status & I2C_A_ADC_START)==0) + break; + + if(timeout>1000) + break; + } + //Read back and see if the transaction is successful + if((status & I2C_A_ADC_ABORT)==0) + break; + } + + if(retry==10) + { + snd_printk("Writing to ADC failed!\n"); + return -EINVAL; + } + + return 0; +} + + static void snd_ca0106_intr_enable(ca0106_t *emu, unsigned int intrenb) { unsigned long flags; @@ -1177,6 +1235,10 @@ static int __devinit snd_ca0106_create(snd_card_t *card, //outl(0x00000009, chip->port+HCFG); outl(HCFG_AC97 | HCFG_AUDIOENABLE, chip->port+HCFG); /* AC97 2.0, Enable outputs. */ + if (chip->details->i2c_adc == 1) { /* The SB0410 and SB0413 use I2C to control ADC. */ + snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); /* Enable Line-in capture. MIC in currently untested. */ + } + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { snd_ca0106_free(chip); |