1 files changed, 199 insertions, 49 deletions

diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index 72db4c39007f..acbedebcffd9 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -18,6 +18,8 @@
  */
 
 /*
+ * CMI8788:
+ *
  * SPI 0 -> 1st AK4396 (front)
  * SPI 1 -> 2nd AK4396 (surround)
  * SPI 2 -> 3rd AK4396 (center/LFE)
@@ -27,6 +29,10 @@
  * GPIO 0 -> DFS0 of AK5385
  * GPIO 1 -> DFS1 of AK5385
  * GPIO 8 -> enable headphone amplifier on HT-Omega models
+ *
+ * CM9780:
+ *
+ * GPO 0 -> route line-in (0) or AC97 output (1) to ADC input
  */
 
 #include <linux/delay.h>
@@ -91,8 +97,8 @@ MODULE_DEVICE_TABLE(pci, oxygen_ids);
 #define GPIO_CLARO_HP           0x0100
 
 struct generic_data {
-        u8 ak4396_ctl2;
-        u16 saved_wm8785_registers[2];
+        u8 ak4396_regs[4][5];
+        u16 wm8785_regs[3];
 };
 
 static void ak4396_write(struct oxygen *chip, unsigned int codec,
@@ -102,12 +108,24 @@ static void ak4396_write(struct oxygen *chip, unsigned int codec,
         static const u8 codec_spi_map[4] = {
                 0, 1, 2, 4
         };
+        struct generic_data *data = chip->model_data;
+
         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
                          OXYGEN_SPI_DATA_LENGTH_2 |
                          OXYGEN_SPI_CLOCK_160 |
                          (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
                          AK4396_WRITE | (reg << 8) | value);
+        data->ak4396_regs[codec][reg] = value;
+}
+
+static void ak4396_write_cached(struct oxygen *chip, unsigned int codec,
+                                u8 reg, u8 value)
+{
+        struct generic_data *data = chip->model_data;
+
+        if (value != data->ak4396_regs[codec][reg])
+                ak4396_write(chip, codec, reg, value);
 }
 
 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
@@ -120,20 +138,8 @@ static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
                          (3 << OXYGEN_SPI_CODEC_SHIFT) |
                          OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
                          (reg << 9) | value);
-        if (reg < ARRAY_SIZE(data->saved_wm8785_registers))
-                data->saved_wm8785_registers[reg] = value;
-}
-
-static void update_ak4396_volume(struct oxygen *chip)
-{
-        unsigned int i;
-
-        for (i = 0; i < 4; ++i) {
-                ak4396_write(chip, i,
-                             AK4396_LCH_ATT, chip->dac_volume[i * 2]);
-                ak4396_write(chip, i,
-                             AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
-        }
+        if (reg < ARRAY_SIZE(data->wm8785_regs))
+                data->wm8785_regs[reg] = value;
 }
 
 static void ak4396_registers_init(struct oxygen *chip)
@@ -142,21 +148,25 @@ static void ak4396_registers_init(struct oxygen *chip)
         unsigned int i;
 
         for (i = 0; i < 4; ++i) {
-                ak4396_write(chip, i,
-                             AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
-                ak4396_write(chip, i,
-                             AK4396_CONTROL_2, data->ak4396_ctl2);
-                ak4396_write(chip, i,
-                             AK4396_CONTROL_3, AK4396_PCM);
+                ak4396_write(chip, i, AK4396_CONTROL_1,
+                             AK4396_DIF_24_MSB | AK4396_RSTN);
+                ak4396_write(chip, i, AK4396_CONTROL_2,
+                             data->ak4396_regs[0][AK4396_CONTROL_2]);
+                ak4396_write(chip, i, AK4396_CONTROL_3,
+                             AK4396_PCM);
+                ak4396_write(chip, i, AK4396_LCH_ATT,
+                             chip->dac_volume[i * 2]);
+                ak4396_write(chip, i, AK4396_RCH_ATT,
+                             chip->dac_volume[i * 2 + 1]);
         }
-        update_ak4396_volume(chip);
 }
 
 static void ak4396_init(struct oxygen *chip)
 {
         struct generic_data *data = chip->model_data;
 
-        data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
+        data->ak4396_regs[0][AK4396_CONTROL_2] =
+                AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
         ak4396_registers_init(chip);
         snd_component_add(chip->card, "AK4396");
 }
@@ -173,17 +183,17 @@ static void wm8785_registers_init(struct oxygen *chip)
         struct generic_data *data = chip->model_data;
 
         wm8785_write(chip, WM8785_R7, 0);
-        wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]);
-        wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]);
+        wm8785_write(chip, WM8785_R0, data->wm8785_regs[0]);
+        wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
 }
 
 static void wm8785_init(struct oxygen *chip)
 {
         struct generic_data *data = chip->model_data;
 
-        data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE |
-                WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
-        data->saved_wm8785_registers[1] = WM8785_WL_24;
+        data->wm8785_regs[0] =
+                WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
+        data->wm8785_regs[2] = WM8785_HPFR | WM8785_HPFL;
         wm8785_registers_init(chip);
         snd_component_add(chip->card, "WM8785");
 }
@@ -264,24 +274,36 @@ static void set_ak4396_params(struct oxygen *chip,
         unsigned int i;
         u8 value;
 
-        value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
+        value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_DFS_MASK;
         if (params_rate(params) <= 54000)
                 value |= AK4396_DFS_NORMAL;
         else if (params_rate(params) <= 108000)
                 value |= AK4396_DFS_DOUBLE;
         else
                 value |= AK4396_DFS_QUAD;
-        data->ak4396_ctl2 = value;
 
         msleep(1); /* wait for the new MCLK to become stable */
 
+        if (value != data->ak4396_regs[0][AK4396_CONTROL_2]) {
+                for (i = 0; i < 4; ++i) {
+                        ak4396_write(chip, i, AK4396_CONTROL_1,
+                                     AK4396_DIF_24_MSB);
+                        ak4396_write(chip, i, AK4396_CONTROL_2, value);
+                        ak4396_write(chip, i, AK4396_CONTROL_1,
+                                     AK4396_DIF_24_MSB | AK4396_RSTN);
+                }
+        }
+}
+
+static void update_ak4396_volume(struct oxygen *chip)
+{
+        unsigned int i;
+
         for (i = 0; i < 4; ++i) {
-                ak4396_write(chip, i,
-                             AK4396_CONTROL_1, AK4396_DIF_24_MSB);
-                ak4396_write(chip, i,
-                             AK4396_CONTROL_2, value);
-                ak4396_write(chip, i,
-                             AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
+                ak4396_write_cached(chip, i, AK4396_LCH_ATT,
+                                    chip->dac_volume[i * 2]);
+                ak4396_write_cached(chip, i, AK4396_RCH_ATT,
+                                    chip->dac_volume[i * 2 + 1]);
         }
 }
 
@@ -291,21 +313,19 @@ static void update_ak4396_mute(struct oxygen *chip)
         unsigned int i;
         u8 value;
 
-        value = data->ak4396_ctl2 & ~AK4396_SMUTE;
+        value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_SMUTE;
         if (chip->dac_mute)
                 value |= AK4396_SMUTE;
-        data->ak4396_ctl2 = value;
         for (i = 0; i < 4; ++i)
-                ak4396_write(chip, i, AK4396_CONTROL_2, value);
+                ak4396_write_cached(chip, i, AK4396_CONTROL_2, value);
 }
 
 static void set_wm8785_params(struct oxygen *chip,
                               struct snd_pcm_hw_params *params)
 {
+        struct generic_data *data = chip->model_data;
         unsigned int value;
 
-        wm8785_write(chip, WM8785_R7, 0);
-
         value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
         if (params_rate(params) <= 48000)
                 value |= WM8785_OSR_SINGLE;
@@ -313,13 +333,11 @@ static void set_wm8785_params(struct oxygen *chip,
                 value |= WM8785_OSR_DOUBLE;
         else
                 value |= WM8785_OSR_QUAD;
-        wm8785_write(chip, WM8785_R0, value);
-
-        if (snd_pcm_format_width(params_format(params)) <= 16)
-                value = WM8785_WL_16;
-        else
-                value = WM8785_WL_24;
-        wm8785_write(chip, WM8785_R1, value);
+        if (value != data->wm8785_regs[0]) {
+                wm8785_write(chip, WM8785_R7, 0);
+                wm8785_write(chip, WM8785_R0, value);
+                wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]);
+        }
 }
 
 static void set_ak5385_params(struct oxygen *chip,
@@ -337,6 +355,134 @@ static void set_ak5385_params(struct oxygen *chip,
                               value, GPIO_AK5385_DFS_MASK);
 }
 
+static int rolloff_info(struct snd_kcontrol *ctl,
+                        struct snd_ctl_elem_info *info)
+{
+        static const char *const names[2] = {
+                "Sharp Roll-off", "Slow Roll-off"
+        };
+
+        info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+        info->count = 1;
+        info->value.enumerated.items = 2;
+        if (info->value.enumerated.item >= 2)
+                info->value.enumerated.item = 1;
+        strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+        return 0;
+}
+
+static int rolloff_get(struct snd_kcontrol *ctl,
+                       struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        struct generic_data *data = chip->model_data;
+
+        value->value.enumerated.item[0] =
+                (data->ak4396_regs[0][AK4396_CONTROL_2] & AK4396_SLOW) != 0;
+        return 0;
+}
+
+static int rolloff_put(struct snd_kcontrol *ctl,
+                       struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        struct generic_data *data = chip->model_data;
+        unsigned int i;
+        int changed;
+        u8 reg;
+
+        mutex_lock(&chip->mutex);
+        reg = data->ak4396_regs[0][AK4396_CONTROL_2];
+        if (value->value.enumerated.item[0])
+                reg |= AK4396_SLOW;
+        else
+                reg &= ~AK4396_SLOW;
+        changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2];
+        if (changed) {
+                for (i = 0; i < 4; ++i)
+                        ak4396_write(chip, i, AK4396_CONTROL_2, reg);
+        }
+        mutex_unlock(&chip->mutex);
+        return changed;
+}
+
+static const struct snd_kcontrol_new rolloff_control = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "DAC Filter Playback Enum",
+        .info = rolloff_info,
+        .get = rolloff_get,
+        .put = rolloff_put,
+};
+
+static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
+{
+        static const char *const names[2] = {
+                "None", "High-pass Filter"
+        };
+
+        info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+        info->count = 1;
+        info->value.enumerated.items = 2;
+        if (info->value.enumerated.item >= 2)
+                info->value.enumerated.item = 1;
+        strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+        return 0;
+}
+
+static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        struct generic_data *data = chip->model_data;
+
+        value->value.enumerated.item[0] =
+                (data->wm8785_regs[WM8785_R2] & WM8785_HPFR) != 0;
+        return 0;
+}
+
+static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        struct generic_data *data = chip->model_data;
+        unsigned int reg;
+        int changed;
+
+        mutex_lock(&chip->mutex);
+        reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL);
+        if (value->value.enumerated.item[0])
+                reg |= WM8785_HPFR | WM8785_HPFL;
+        changed = reg != data->wm8785_regs[WM8785_R2];
+        if (changed)
+                wm8785_write(chip, WM8785_R2, reg);
+        mutex_unlock(&chip->mutex);
+        return changed;
+}
+
+static const struct snd_kcontrol_new hpf_control = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "ADC Filter Capture Enum",
+        .info = hpf_info,
+        .get = hpf_get,
+        .put = hpf_put,
+};
+
+static int generic_mixer_init(struct oxygen *chip)
+{
+        return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
+}
+
+static int generic_wm8785_mixer_init(struct oxygen *chip)
+{
+        int err;
+
+        err = generic_mixer_init(chip);
+        if (err < 0)
+                return err;
+        err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip));
+        if (err < 0)
+                return err;
+        return 0;
+}
+
 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 
 static const struct oxygen_model model_generic = {
@@ -344,8 +490,10 @@ static const struct oxygen_model model_generic = {
         .longname = "C-Media Oxygen HD Audio",
         .chip = "CMI8788",
         .init = generic_init,
+        .mixer_init = generic_wm8785_mixer_init,
         .cleanup = generic_cleanup,
         .resume = generic_resume,
+        .get_i2s_mclk = oxygen_default_i2s_mclk,
         .set_dac_params = set_ak4396_params,
         .set_adc_params = set_wm8785_params,
         .update_dac_volume = update_ak4396_volume,
@@ -374,6 +522,7 @@ static int __devinit get_oxygen_model(struct oxygen *chip,
         switch (id->driver_data) {
         case MODEL_MERIDIAN:
                 chip->model.init = meridian_init;
+                chip->model.mixer_init = generic_mixer_init;
                 chip->model.resume = meridian_resume;
                 chip->model.set_adc_params = set_ak5385_params;
                 chip->model.device_config = PLAYBACK_0_TO_I2S |
@@ -389,6 +538,7 @@ static int __devinit get_oxygen_model(struct oxygen *chip,
                 break;
         case MODEL_CLARO_HALO:
                 chip->model.init = claro_halo_init;
+                chip->model.mixer_init = generic_mixer_init;
                 chip->model.cleanup = claro_cleanup;
                 chip->model.suspend = claro_suspend;
                 chip->model.resume = claro_resume;