[ALSA] oxygen: change model-specific PCM device configuration

When specifying which PCM devices to use, model drivers now use flags
that also specify the routing between PCM devices and DMA channels
instead of just DMA channel bits.  This simplifies some code that checks
for these flags.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

6 files changed, 176 insertions, 152 deletions

diff --git a/sound/pci/oxygen/hifier.c b/sound/pci/oxygen/hifier.c
index 666f69a3312e..fa489ed3ed46 100644
--- a/sound/pci/oxygen/hifier.c
+++ b/sound/pci/oxygen/hifier.c
@@ -160,10 +160,10 @@ static const struct oxygen_model model_hifier = {
 	.update_dac_volume = update_ak4396_volume,
 	.update_dac_mute = update_ak4396_mute,
 	.model_data_size = sizeof(struct hifier_data),
+	.pcm_dev_cfg = PLAYBACK_0_TO_I2S |
+		       PLAYBACK_1_TO_SPDIF |
+		       CAPTURE_0_FROM_I2S_1,
 	.dac_channels = 2,
-	.used_channels = OXYGEN_CHANNEL_A |
-			 OXYGEN_CHANNEL_SPDIF |
-			 OXYGEN_CHANNEL_MULTICH,
 	.function_flags = 0,
 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index 542752442a95..9faf43c949b2 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -303,12 +303,13 @@ static const struct oxygen_model model_generic = {
 	.update_dac_mute = update_ak4396_mute,
 	.ac97_switch_hook = cmi9780_switch_hook,
 	.model_data_size = sizeof(struct generic_data),
+	.pcm_dev_cfg = PLAYBACK_0_TO_I2S |
+		       PLAYBACK_1_TO_SPDIF |
+		       PLAYBACK_2_TO_AC97_1 |
+		       CAPTURE_0_FROM_I2S_1 |
+		       CAPTURE_1_FROM_SPDIF |
+		       CAPTURE_2_FROM_AC97_1,
 	.dac_channels = 8,
-	.used_channels = OXYGEN_CHANNEL_A |
-			 OXYGEN_CHANNEL_C |
-			 OXYGEN_CHANNEL_SPDIF |
-			 OXYGEN_CHANNEL_MULTICH |
-			 OXYGEN_CHANNEL_AC97,
 	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
@@ -327,12 +328,13 @@ static const struct oxygen_model model_meridian = {
 	.update_dac_mute = update_ak4396_mute,
 	.ac97_switch_hook = cmi9780_switch_hook,
 	.model_data_size = sizeof(struct generic_data),
+	.pcm_dev_cfg = PLAYBACK_0_TO_I2S |
+		       PLAYBACK_1_TO_SPDIF |
+		       PLAYBACK_2_TO_AC97_1 |
+		       CAPTURE_0_FROM_I2S_2 |
+		       CAPTURE_1_FROM_SPDIF |
+		       CAPTURE_2_FROM_AC97_1,
 	.dac_channels = 8,
-	.used_channels = OXYGEN_CHANNEL_B |
-			 OXYGEN_CHANNEL_C |
-			 OXYGEN_CHANNEL_SPDIF |
-			 OXYGEN_CHANNEL_MULTICH |
-			 OXYGEN_CHANNEL_AC97,
 	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index ad50fb8b206b..fde995cf2edf 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -16,6 +16,16 @@
 #define PCM_AC97	5
 #define PCM_COUNT	6
 
+/* model-specific configuration of outputs/inputs */
+#define PLAYBACK_0_TO_I2S	0x001
+#define PLAYBACK_1_TO_SPDIF	0x004
+#define PLAYBACK_2_TO_AC97_1	0x008
+#define CAPTURE_0_FROM_I2S_1	0x010
+#define CAPTURE_0_FROM_I2S_2	0x020
+#define CAPTURE_1_FROM_SPDIF	0x080
+#define CAPTURE_2_FROM_I2S_2	0x100
+#define CAPTURE_2_FROM_AC97_1	0x200
+
 enum {
 	CONTROL_SPDIF_PCM,
 	CONTROL_SPDIF_INPUT_BITS,
@@ -91,8 +101,8 @@ struct oxygen_model {
 				 unsigned int reg, int mute);
 	void (*gpio_changed)(struct oxygen *chip);
 	size_t model_data_size;
+	unsigned int pcm_dev_cfg;
 	u8 dac_channels;
-	u8 used_channels;
 	u8 function_flags;
 	u16 dac_i2s_format;
 	u16 adc_i2s_format;
diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
index 4e77b79b3b6e..6b5ff6e0fadd 100644
--- a/sound/pci/oxygen/oxygen_mixer.c
+++ b/sound/pci/oxygen/oxygen_mixer.c
@@ -737,90 +737,111 @@ static const struct snd_kcontrol_new controls[] = {
 	},
 };
 
-static const struct snd_kcontrol_new monitor_a_controls[] = {
+static const struct {
+	unsigned int pcm_dev;
+	struct snd_kcontrol_new controls[2];
+} monitor_controls[] = {
 	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Input Monitor Switch",
-		.info = snd_ctl_boolean_mono_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_A,
+		.pcm_dev = CAPTURE_0_FROM_I2S_1,
+		.controls = {
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Analog Input Monitor Switch",
+				.info = snd_ctl_boolean_mono_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_A,
+			},
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Analog Input Monitor Volume",
+				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+				.info = monitor_volume_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
+						| (1 << 8),
+				.tlv = { .p = monitor_db_scale, },
+			},
+		},
 	},
 	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Input Monitor Volume",
-		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
-			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
-		.info = monitor_volume_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL | (1 << 8),
-		.tlv = { .p = monitor_db_scale, },
+		.pcm_dev = CAPTURE_0_FROM_I2S_2,
+		.controls = {
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Analog Input Monitor Switch",
+				.info = snd_ctl_boolean_mono_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_B,
+			},
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Analog Input Monitor Volume",
+				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+				.info = monitor_volume_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
+						| (1 << 8),
+				.tlv = { .p = monitor_db_scale, },
+			},
+		},
 	},
-};
-static const struct snd_kcontrol_new monitor_b_controls[] = {
 	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Input Monitor Switch",
-		.info = snd_ctl_boolean_mono_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_B,
+		.pcm_dev = CAPTURE_2_FROM_I2S_2,
+		.controls = {
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Analog Input Monitor Switch",
+				.index = 1,
+				.info = snd_ctl_boolean_mono_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_B,
+			},
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Analog Input Monitor Volume",
+				.index = 1,
+				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+				.info = monitor_volume_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
+						| (1 << 8),
+				.tlv = { .p = monitor_db_scale, },
+			},
+		},
 	},
 	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Input Monitor Volume",
-		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
-			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
-		.info = monitor_volume_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL | (1 << 8),
-		.tlv = { .p = monitor_db_scale, },
-	},
-};
-static const struct snd_kcontrol_new monitor_2nd_b_controls[] = {
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Input Monitor Switch",
-		.index = 1,
-		.info = snd_ctl_boolean_mono_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_B,
-	},
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Input Monitor Volume",
-		.index = 1,
-		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
-			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
-		.info = monitor_volume_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL | (1 << 8),
-		.tlv = { .p = monitor_db_scale, },
-	},
-};
-static const struct snd_kcontrol_new monitor_c_controls[] = {
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Digital Input Monitor Switch",
-		.info = snd_ctl_boolean_mono_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_C,
-	},
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Digital Input Monitor Volume",
-		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
-			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
-		.info = monitor_volume_info,
-		.get = monitor_get,
-		.put = monitor_put,
-		.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL | (1 << 8),
-		.tlv = { .p = monitor_db_scale, },
+		.pcm_dev = CAPTURE_1_FROM_SPDIF,
+		.controls = {
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Digital Input Monitor Switch",
+				.info = snd_ctl_boolean_mono_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_C,
+			},
+			{
+				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+				.name = "Digital Input Monitor Volume",
+				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+				.info = monitor_volume_info,
+				.get = monitor_get,
+				.put = monitor_put,
+				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
+						| (1 << 8),
+				.tlv = { .p = monitor_db_scale, },
+			},
+		},
 	},
 };
 
@@ -905,32 +926,17 @@ static int add_controls(struct oxygen *chip,
 
 int oxygen_mixer_init(struct oxygen *chip)
 {
+	unsigned int i;
 	int err;
 
 	err = add_controls(chip, controls, ARRAY_SIZE(controls));
 	if (err < 0)
 		return err;
-	if (chip->model->used_channels & OXYGEN_CHANNEL_A) {
-		err = add_controls(chip, monitor_a_controls,
-				   ARRAY_SIZE(monitor_a_controls));
-		if (err < 0)
-			return err;
-	} else if (chip->model->used_channels & OXYGEN_CHANNEL_B) {
-		err = add_controls(chip, monitor_b_controls,
-				   ARRAY_SIZE(monitor_b_controls));
-		if (err < 0)
-			return err;
-	}
-	if ((chip->model->used_channels & (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B))
-	    == (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B)) {
-		err = add_controls(chip, monitor_2nd_b_controls,
-				   ARRAY_SIZE(monitor_2nd_b_controls));
-		if (err < 0)
-			return err;
-	}
-	if (chip->model->used_channels & OXYGEN_CHANNEL_C) {
-		err = add_controls(chip, monitor_c_controls,
-				   ARRAY_SIZE(monitor_c_controls));
+	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
+		if (!(chip->model->pcm_dev_cfg & monitor_controls[i].pcm_dev))
+			continue;
+		err = add_controls(chip, monitor_controls[i].controls,
+				   ARRAY_SIZE(monitor_controls[i].controls));
 		if (err < 0)
 			return err;
 	}
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index b70046aca657..b17c405e069d 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -119,7 +119,7 @@ static int oxygen_open(struct snd_pcm_substream *substream,
 
 	runtime->private_data = (void *)(uintptr_t)channel;
 	if (channel == PCM_B && chip->has_ac97_1 &&
-	    (chip->model->used_channels & OXYGEN_CHANNEL_AC97))
+	    (chip->model->pcm_dev_cfg & CAPTURE_2_FROM_AC97_1))
 		runtime->hw = oxygen_ac97_hardware;
 	else
 		runtime->hw = *oxygen_hardware[channel];
@@ -365,7 +365,7 @@ static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
 		return err;
 
 	is_ac97 = chip->has_ac97_1 &&
-		(chip->model->used_channels & OXYGEN_CHANNEL_AC97);
+		(chip->model->pcm_dev_cfg & CAPTURE_2_FROM_AC97_1);
 
 	spin_lock_irq(&chip->reg_lock);
 	oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
@@ -640,34 +640,39 @@ int oxygen_pcm_init(struct oxygen *chip)
 	int outs, ins;
 	int err;
 
-	outs = 1; /* OXYGEN_CHANNEL_MULTICH is always used */
-	ins = !!(chip->model->used_channels & (OXYGEN_CHANNEL_A |
-					       OXYGEN_CHANNEL_B));
-	err = snd_pcm_new(chip->card, "Analog", 0, outs, ins, &pcm);
-	if (err < 0)
-		return err;
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_multich_ops);
-	if (chip->model->used_channels & OXYGEN_CHANNEL_A)
-		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
-				&oxygen_rec_a_ops);
-	else if (chip->model->used_channels & OXYGEN_CHANNEL_B)
-		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
-				&oxygen_rec_b_ops);
-	pcm->private_data = chip;
-	pcm->private_free = oxygen_pcm_free;
-	strcpy(pcm->name, "Analog");
-	snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
-				      SNDRV_DMA_TYPE_DEV,
-				      snd_dma_pci_data(chip->pci),
-				      512 * 1024, 2048 * 1024);
-	if (ins)
-		snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
-					      SNDRV_DMA_TYPE_DEV,
-					      snd_dma_pci_data(chip->pci),
-					      128 * 1024, 256 * 1024);
-
-	outs = !!(chip->model->used_channels & OXYGEN_CHANNEL_SPDIF);
-	ins = !!(chip->model->used_channels & OXYGEN_CHANNEL_C);
+	outs = !!(chip->model->pcm_dev_cfg & PLAYBACK_0_TO_I2S);
+	ins = !!(chip->model->pcm_dev_cfg & (CAPTURE_0_FROM_I2S_1 |
+					     CAPTURE_0_FROM_I2S_2));
+	if (outs | ins) {
+		err = snd_pcm_new(chip->card, "Analog", 0, outs, ins, &pcm);
+		if (err < 0)
+			return err;
+		if (outs)
+			snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+					&oxygen_multich_ops);
+		if (chip->model->pcm_dev_cfg & CAPTURE_0_FROM_I2S_1)
+			snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+					&oxygen_rec_a_ops);
+		else if (chip->model->pcm_dev_cfg & CAPTURE_0_FROM_I2S_2)
+			snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+					&oxygen_rec_b_ops);
+		pcm->private_data = chip;
+		pcm->private_free = oxygen_pcm_free;
+		strcpy(pcm->name, "Analog");
+		if (outs)
+			snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
+						      SNDRV_DMA_TYPE_DEV,
+						      snd_dma_pci_data(chip->pci),
+						      512 * 1024, 2048 * 1024);
+		if (ins)
+			snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
+						      SNDRV_DMA_TYPE_DEV,
+						      snd_dma_pci_data(chip->pci),
+						      128 * 1024, 256 * 1024);
+	}
+
+	outs = !!(chip->model->pcm_dev_cfg & PLAYBACK_1_TO_SPDIF);
+	ins = !!(chip->model->pcm_dev_cfg & CAPTURE_1_FROM_SPDIF);
 	if (outs | ins) {
 		err = snd_pcm_new(chip->card, "Digital", 1, outs, ins, &pcm);
 		if (err < 0)
@@ -686,12 +691,13 @@ int oxygen_pcm_init(struct oxygen *chip)
 						      128 * 1024, 256 * 1024);
 	}
 
-	outs = chip->has_ac97_1 &&
-		(chip->model->used_channels & OXYGEN_CHANNEL_AC97);
-	ins = outs ||
-		(chip->model->used_channels & (OXYGEN_CHANNEL_A |
-					       OXYGEN_CHANNEL_B))
-		== (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B);
+	if (chip->has_ac97_1) {
+		outs = !!(chip->model->pcm_dev_cfg & PLAYBACK_2_TO_AC97_1);
+		ins = !!(chip->model->pcm_dev_cfg & CAPTURE_2_FROM_AC97_1);
+	} else {
+		outs = 0;
+		ins = !!(chip->model->pcm_dev_cfg & CAPTURE_2_FROM_I2S_2);
+	}
 	if (outs | ins) {
 		err = snd_pcm_new(chip->card, outs ? "AC97" : "Analog2",
 				  2, outs, ins, &pcm);
diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c
index 127dd664fc16..5cd1fac14132 100644
--- a/sound/pci/oxygen/virtuoso.c
+++ b/sound/pci/oxygen/virtuoso.c
@@ -348,11 +348,11 @@ static const struct oxygen_model model_xonar = {
 	.ac97_switch_hook = xonar_ac97_switch_hook,
 	.gpio_changed = xonar_gpio_changed,
 	.model_data_size = sizeof(struct xonar_data),
+	.pcm_dev_cfg = PLAYBACK_0_TO_I2S |
+		       PLAYBACK_1_TO_SPDIF |
+		       CAPTURE_0_FROM_I2S_2 |
+		       CAPTURE_1_FROM_SPDIF,
 	.dac_channels = 8,
-	.used_channels = OXYGEN_CHANNEL_B |
-			 OXYGEN_CHANNEL_C |
-			 OXYGEN_CHANNEL_SPDIF |
-			 OXYGEN_CHANNEL_MULTICH,
 	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,