ALSA: ca0106 - Add power-management support

Added the missing PM support for snd-ca0106 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 130 insertions, 52 deletions

diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index 3025ed1b6e1e..cccc32cdb943 100644
--- a/sound/pci/ca0106/ca0106_mixer.c
+++ b/sound/pci/ca0106/ca0106_mixer.c
@@ -75,6 +75,84 @@
 
 #include "ca0106.h"
 
+static void ca0106_spdif_enable(struct snd_ca0106 *emu)
+{
+        unsigned int val;
+
+        if (emu->spdif_enable) {
+                /* Digital */
+                snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+                snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
+                val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
+                snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+                val = inl(emu->port + GPIO) & ~0x101;
+                outl(val, emu->port + GPIO);
+
+        } else {
+                /* Analog */
+                snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+                snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
+                val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
+                snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+                val = inl(emu->port + GPIO) | 0x101;
+                outl(val, emu->port + GPIO);
+        }
+}
+
+static void ca0106_set_capture_source(struct snd_ca0106 *emu)
+{
+        unsigned int val = emu->capture_source;
+        unsigned int source, mask;
+        source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
+        mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
+        snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+}
+
+static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
+                                          unsigned int val, int force)
+{
+        unsigned int ngain, ogain;
+        u32 source;
+
+        snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
+        ngain = emu->i2c_capture_volume[val][0]; /* Left */
+        ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
+        if (force || ngain != ogain)
+                snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
+        ngain = emu->i2c_capture_volume[val][1]; /* Right */
+        ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
+        if (force || ngain != ogain)
+                snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
+        source = 1 << val;
+        snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
+        emu->i2c_capture_source = val;
+}
+
+static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
+{
+        u32 tmp;
+
+        if (emu->capture_mic_line_in) {
+                /* 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); */
+        } else {
+                /* 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); */
+        }
+}
+
+static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
+{
+        snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_bits[idx]);
+}
+
+/*
+ */
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
 
@@ -95,30 +173,12 @@ static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
         unsigned int val;
         int change = 0;
-        u32 mask;
 
         val = !!ucontrol->value.integer.value[0];
         change = (emu->spdif_enable != val);
         if (change) {
                 emu->spdif_enable = val;
-                if (val) {
-                        /* Digital */
-                        snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
-                        snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
-                        snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
-                                snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000);
-                        mask = inl(emu->port + GPIO) & ~0x101;
-                        outl(mask, emu->port + GPIO);
-
-                } else {
-                        /* Analog */
-                        snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
-                        snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
-                        snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
-                                snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000);
-                        mask = inl(emu->port + GPIO) | 0x101;
-                        outl(mask, emu->port + GPIO);
-                }
+                ca0106_spdif_enable(emu);
         }
         return change;
 }
@@ -154,8 +214,6 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
         unsigned int val;
         int change = 0;
-        u32 mask;
-        u32 source;
 
         val = ucontrol->value.enumerated.item[0] ;
         if (val >= 6)
@@ -163,9 +221,7 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
         change = (emu->capture_source != val);
         if (change) {
                 emu->capture_source = val;
-                source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
-                mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
-                snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+                ca0106_set_capture_source(emu);
         }
         return change;
 }
@@ -200,9 +256,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
 {
         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.
@@ -212,18 +266,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
                 return -EINVAL;
         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;
+                ca0106_set_i2c_capture_source(emu, source_id, 0);
         }
         return change;
 }
@@ -271,7 +314,6 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
         unsigned int val;
         int change = 0;
-        u32 tmp;
 
         val = ucontrol->value.enumerated.item[0] ;
         if (val > 1)
@@ -279,18 +321,7 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
         change = (emu->capture_mic_line_in != val);
         if (change) {
                 emu->capture_mic_line_in = val;
-                if (val) {
-                        //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);
-                } else {
-                        //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);
-                }
+                ca0106_set_capture_mic_line_in(emu);
         }
         return change;
 }
@@ -359,8 +390,8 @@ static int snd_ca0106_spdif_put(struct snd_kcontrol *kcontrol,
               (ucontrol->value.iec958.status[3] << 24);
         change = val != emu->spdif_bits[idx];
         if (change) {
-                snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, val);
                 emu->spdif_bits[idx] = val;
+                ca0106_set_spdif_bits(emu, idx);
         }
         return change;
 }
@@ -773,3 +804,50 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
         return 0;
 }
 
+#ifdef CONFIG_PM
+struct ca0106_vol_tbl {
+        unsigned int reg;
+        unsigned int channel_id;
+};
+
+static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
+        { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
+        { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
+        { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
+        { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
+        { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
+        { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
+        { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
+        { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
+        { 1, CAPTURE_CONTROL },
+};
+
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
+{
+        int i;
+
+        /* save volumes */
+        for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+                chip->saved_vol[i] =
+                        snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
+                                            saved_volumes[i].channel_id);
+}
+
+void snd_ca0106_mixer_resume(struct snd_ca0106  *chip)
+{
+        int i;
+
+        for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+                snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
+                                     saved_volumes[i].channel_id,
+                                     chip->saved_vol[i]);
+
+        ca0106_spdif_enable(chip);
+        ca0106_set_capture_source(chip);
+        ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
+        for (i = 0; i < 4; i++)
+                ca0106_set_spdif_bits(chip, i);
+        if (chip->details->i2c_adc)
+                ca0106_set_capture_mic_line_in(chip);
+}
+#endif /* CONFIG_PM */