[ALSA] ca0106: Add analog capture controls.

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>

3 files changed, 186 insertions, 14 deletions

diff --git a/sound/pci/ca0106/ca0106.h b/sound/pci/ca0106/ca0106.h
index c8131ea92ed6..9cb66c59f523 100644
--- a/sound/pci/ca0106/ca0106.h
+++ b/sound/pci/ca0106/ca0106.h
@@ -537,9 +537,9 @@
 #endif
 
 #define ADC_MUX_MASK            0x0000000f      //Mask for ADC Mux
+#define ADC_MUX_PHONE           0x00000001      //Value to select TAD at ADC Mux (Not used)
 #define ADC_MUX_MIC             0x00000002      //Value to select Mic at ADC Mux
 #define ADC_MUX_LINEIN          0x00000004      //Value to select LineIn at ADC Mux
-#define ADC_MUX_PHONE           0x00000001      //Value to select TAD at ADC Mux (Not used)
 #define ADC_MUX_AUX             0x00000008      //Value to select Aux at ADC Mux
 
 #define SET_CHANNEL 0  /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
@@ -604,6 +604,8 @@ struct snd_ca0106 {
         u32 spdif_bits[4];             /* s/pdif out setup */
         int spdif_enable;
         int capture_source;
+        int i2c_capture_source;
+        u8 i2c_capture_volume[4][2];
         int capture_mic_line_in;
 
         struct snd_dma_buffer buffer;
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index fd8bfebfbd54..3762f58384e0 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -326,6 +326,7 @@ int snd_ca0106_spi_write(struct snd_ca0106 * emu,
         return 0;
 }
 
+/* The ADC does not support i2c read, so only write is implemented */
 int snd_ca0106_i2c_write(struct snd_ca0106 *emu,
                                 u32 reg,
                                 u32 value)
@@ -340,6 +341,7 @@ int snd_ca0106_i2c_write(struct snd_ca0106 *emu,
         }
 
         tmp = reg << 25 | value << 16;
+        // snd_printk("I2C-write:reg=0x%x, value=0x%x\n", reg, value);
         /* Not sure what this I2C channel controls. */
         /* snd_ca0106_ptr_write(emu, I2C_D0, 0, tmp); */
 
@@ -348,8 +350,9 @@ int snd_ca0106_i2c_write(struct snd_ca0106 *emu,
 
         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 = 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 = 0;
                 tmp = tmp | (I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD);
                 snd_ca0106_ptr_write(emu, I2C_A, 0, tmp);
 
@@ -1200,6 +1203,22 @@ static unsigned int spi_dac_init[] = {
         0x1400,
 };
 
+static unsigned int i2c_adc_init[][2] = {
+        { 0x17, 0x00 }, /* Reset */
+        { 0x07, 0x00 }, /* Timeout */
+        { 0x0b, 0x22 },  /* Interface control */
+        { 0x0c, 0x22 },  /* Master mode control */
+        { 0x0d, 0x08 },  /* Powerdown control */
+        { 0x0e, 0xcf },  /* Attenuation Left  0x01 = -103dB, 0xff = 24dB */
+        { 0x0f, 0xcf },  /* Attenuation Right 0.5dB steps */
+        { 0x10, 0x7b },  /* ALC Control 1 */
+        { 0x11, 0x00 },  /* ALC Control 2 */
+        { 0x12, 0x32 },  /* ALC Control 3 */
+        { 0x13, 0x00 },  /* Noise gate control */
+        { 0x14, 0xa6 },  /* Limiter control */
+        { 0x15, ADC_MUX_LINEIN },  /* ADC Mixer control */
+};
+
 static int __devinit snd_ca0106_create(struct snd_card *card,
                                          struct pci_dev *pci,
                                          struct snd_ca0106 **rchip)
@@ -1361,7 +1380,12 @@ static int __devinit snd_ca0106_create(struct snd_card *card,
         snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC, Line in, TAD in, AUX in */
         chip->capture_source = 3; /* Set CAPTURE_SOURCE */
 
-        if (chip->details->gpio_type == 1) { /* The SB0410 and SB0413 use GPIO differently. */
+        if (chip->details->gpio_type == 2) { /* The SB0410 and SB0413 use GPIO differently. */
+                /* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
+                outl(0x0, chip->port+GPIO);
+                //outl(0x00f0e000, chip->port+GPIO); /* Analog */
+                outl(0x005f5301, chip->port+GPIO); /* Analog */
+        } else if (chip->details->gpio_type == 1) { /* The SB0410 and SB0413 use GPIO differently. */
                 /* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
                 outl(0x0, chip->port+GPIO);
                 //outl(0x00f0e000, chip->port+GPIO); /* Analog */
@@ -1379,7 +1403,19 @@ static int __devinit snd_ca0106_create(struct snd_card *card,
         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. */
+                int size, n;
+
+                size = ARRAY_SIZE(i2c_adc_init);
+                //snd_printk("I2C:array size=0x%x\n", size);
+                for (n=0; n < size; n++) {
+                        snd_ca0106_i2c_write(chip, i2c_adc_init[n][0], i2c_adc_init[n][1]);
+                }
+                for (n=0; n < 4; n++) {
+                        chip->i2c_capture_volume[n][0]= 0xcf;
+                        chip->i2c_capture_volume[n][1]= 0xcf;
+                }
+                chip->i2c_capture_source=2; /* Line in */
+                //snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); /* Enable Line-in capture. MIC in currently untested. */
         }
         if (chip->details->spi_dac == 1) { /* The SB0570 use SPI to control DAC. */
                 int size, n;
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index 06fe055674fb..8a5833317b0a 100644
--- a/sound/pci/ca0106/ca0106_mixer.c
+++ b/sound/pci/ca0106/ca0106_mixer.c
@@ -171,6 +171,62 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
         return change;
 }
 
+static int snd_ca0106_i2c_capture_source_info(struct snd_kcontrol *kcontrol,
+                                          struct snd_ctl_elem_info *uinfo)
+{
+        static char *texts[6] = {
+                "Phone", "Mic", "Line in", "Aux"
+        };
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+        uinfo->count = 1;
+        uinfo->value.enumerated.items = 4;
+        if (uinfo->value.enumerated.item > 3)
+                uinfo->value.enumerated.item = 3;
+        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+        return 0;
+}
+
+static int snd_ca0106_i2c_capture_source_get(struct snd_kcontrol *kcontrol,
+                                        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.enumerated.item[0] = emu->i2c_capture_source;
+        return 0;
+}
+
+static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
+                                        struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+        unsigned int source_id;
+        unsigned int ngain, ogain;
+        int change = 0;
+        u32 source;
+        /* If the capture source has changed,
+         * update the capture volume from the cached value
+         * for the particular source.
+         */
+        source_id = ucontrol->value.enumerated.item[0] ;
+        change = (emu->i2c_capture_source != source_id);
+        if (change) {
+                snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
+                ngain = emu->i2c_capture_volume[source_id][0]; /* Left */
+                ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
+                if (ngain != ogain)
+                        snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff));
+                ngain = emu->i2c_capture_volume[source_id][1]; /* Left */
+                ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Left */
+                if (ngain != ogain)
+                        snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
+                source = 1 << source_id;
+                snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
+                emu->i2c_capture_source = source_id;
+        }
+        return change;
+}
+
 static int snd_ca0106_capture_mic_line_in_info(struct snd_kcontrol *kcontrol,
                                                struct snd_ctl_elem_info *uinfo)
 {
@@ -207,16 +263,16 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
         if (change) {
                 emu->capture_mic_line_in = val;
                 if (val) {
-                        snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_PHONE); /* Mute input */
+                        //snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
                         tmp = inl(emu->port+GPIO) & ~0x400;
                         tmp = tmp | 0x400;
                         outl(tmp, emu->port+GPIO);
-                        snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC);
+                        //snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC);
                 } else {
-                        snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_PHONE); /* Mute input */
+                        //snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
                         tmp = inl(emu->port+GPIO) & ~0x400;
                         outl(tmp, emu->port+GPIO);
-                        snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN);
+                        //snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN);
                 }
         }
         return change;
@@ -225,7 +281,7 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
 static struct snd_kcontrol_new snd_ca0106_capture_mic_line_in __devinitdata =
 {
         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "Mic/Line in Capture",
+        .name =         "Shared Mic/Line in Capture Switch",
         .info =         snd_ca0106_capture_mic_line_in_info,
         .get =          snd_ca0106_capture_mic_line_in_get,
         .put =          snd_ca0106_capture_mic_line_in_put
@@ -329,15 +385,81 @@ static int snd_ca0106_volume_put(struct snd_kcontrol *kcontrol,
         return 1;
 }
 
+static int snd_ca0106_i2c_volume_info(struct snd_kcontrol *kcontrol,
+                                  struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 2;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 255;
+        return 0;
+}
+
+static int snd_ca0106_i2c_volume_get(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+        int source_id;
+
+        source_id = kcontrol->private_value;
+
+        ucontrol->value.integer.value[0] = emu->i2c_capture_volume[source_id][0];
+        ucontrol->value.integer.value[1] = emu->i2c_capture_volume[source_id][1];
+        return 0;
+}
+
+static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+        unsigned int ogain;
+        unsigned int ngain;
+        int source_id;
+        int change = 0;
+
+        source_id = kcontrol->private_value;
+        ogain = emu->i2c_capture_volume[source_id][0]; /* Left */
+        ngain = ucontrol->value.integer.value[0];
+        if (ngain > 0xff)
+                return 0;
+        if (ogain != ngain) {
+                if (emu->i2c_capture_source == source_id)
+                        snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff) );
+                emu->i2c_capture_volume[source_id][0] = ucontrol->value.integer.value[0];
+                change = 1;
+        }
+        ogain = emu->i2c_capture_volume[source_id][1]; /* Right */
+        ngain = ucontrol->value.integer.value[1];
+        if (ngain > 0xff)
+                return 0;
+        if (ogain != ngain) {
+                if (emu->i2c_capture_source == source_id)
+                        snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
+                emu->i2c_capture_volume[source_id][1] = ucontrol->value.integer.value[1];
+                change = 1;
+        }
+
+        return change;
+}
+
 #define CA_VOLUME(xname,chid,reg) \
 {                                                               \
         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
-        .info = snd_ca0106_volume_info,                         \
-        .get =          snd_ca0106_volume_get,                  \
-        .put =          snd_ca0106_volume_put,                  \
+        .info =  snd_ca0106_volume_info,                        \
+        .get =   snd_ca0106_volume_get,                         \
+        .put =   snd_ca0106_volume_put,                         \
         .private_value = ((chid) << 8) | (reg)                  \
 }
 
+#define I2C_VOLUME(xname,chid) \
+{                                                               \
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
+        .info =  snd_ca0106_i2c_volume_info,                    \
+        .get =   snd_ca0106_i2c_volume_get,                     \
+        .put =   snd_ca0106_i2c_volume_put,                     \
+        .private_value = chid                                   \
+}
+
 
 static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
         CA_VOLUME("Analog Front Playback Volume",
@@ -361,6 +483,11 @@ static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
         CA_VOLUME("CAPTURE feedback Playback Volume",
                   1, CAPTURE_CONTROL),
 
+        I2C_VOLUME("Phone Capture Volume", 0),
+        I2C_VOLUME("Mic Capture Volume", 1),
+        I2C_VOLUME("Line in Capture Volume", 2),
+        I2C_VOLUME("Aux Capture Volume", 3),
+
         {
                 .access =       SNDRV_CTL_ELEM_ACCESS_READ,
                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
@@ -378,12 +505,19 @@ static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
         },
         {
                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-                .name =         "Capture Source",
+                .name =         "Digital Capture Source",
                 .info =         snd_ca0106_capture_source_info,
                 .get =          snd_ca0106_capture_source_get,
                 .put =          snd_ca0106_capture_source_put
         },
         {
+                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+                .name =         "Capture Source",
+                .info =         snd_ca0106_i2c_capture_source_info,
+                .get =          snd_ca0106_i2c_capture_source_get,
+                .put =          snd_ca0106_i2c_capture_source_put
+        },
+        {
                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
                 .count =        4,