intel_sst: Line out support

This patch adds the support for lineout. The
lineout input can be selected as any input channel
by using a new alsa mixer kcontrol.
Signed-off-by: Dharageswari R <dharageswari.r@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/intel_sst/intel_sst.h

@@ -82,12 +82,14 @@ struct snd_pmic_ops {
 	int num_channel;
 	int input_dev_id;
 	int mute_status;
-	int pb_on;
+	int pb_on, pbhs_on;
 	int cap_on;
 	int output_dev_id;
+	int lineout_dev_id, line_out_names_cnt;
+	int prev_lineout_dev_id;
 	int (*set_input_dev) (u8 value);
 	int (*set_output_dev) (u8 value);
-
+	int (*set_lineout_dev) (u8 value);
 	int (*set_mute) (int dev_id, u8 value);
 	int (*get_mute) (int dev_id, u8 *value);
 

drivers/staging/intel_sst/intel_sst_common.h

@@ -28,8 +28,8 @@
  *  Common private declarations for SST
  */
 
-#define SST_DRIVER_VERSION "1.2.11"
-#define SST_VERSION_NUM 0x1211
+#define SST_DRIVER_VERSION "1.2.14"
+#define SST_VERSION_NUM 0x1214
 
 /* driver names */
 #define SST_DRV_NAME "intel_sst_driver"

drivers/staging/intel_sst/intel_sst_drv_interface.c

@@ -110,9 +110,14 @@ void free_stream_context(unsigned int str_id)
 		if (stream->ops == STREAM_OPS_PLAYBACK ||
 				stream->ops == STREAM_OPS_PLAYBACK_DRM) {
 			sst_drv_ctx->pb_streams--;
-			if (sst_drv_ctx->pb_streams == 0)
+			if (sst_drv_ctx->pci_id == SST_MFLD_PCI_ID)
 				sst_drv_ctx->scard_ops->power_down_pmic_pb(
 						stream->device);
+			else {
+				if (sst_drv_ctx->pb_streams == 0)
+					sst_drv_ctx->scard_ops->
+					power_down_pmic_pb(stream->device);
+			}
 		} else if (stream->ops == STREAM_OPS_CAPTURE) {
 			sst_drv_ctx->cp_streams--;
 			if (sst_drv_ctx->cp_streams == 0)

drivers/staging/intel_sst/intel_sst_stream.c

@@ -73,6 +73,8 @@ int sst_check_device_type(u32 device, u32 num_chan, u32 *pcm_slot)
 			*pcm_slot = 0x07;
 		else if (device == SND_SST_DEVICE_CAPTURE && num_chan == 4)
 			*pcm_slot = 0x0F;
+		else if (device == SND_SST_DEVICE_CAPTURE && num_chan > 4)
+			*pcm_slot = 0x1F;
 		else {
 			pr_debug("No condition satisfied.. ret err\n");
 			return -EINVAL;

drivers/staging/intel_sst/intelmid.c

@@ -797,6 +797,7 @@ static int __devinit snd_intelmad_sst_register(
 		intelmaddata->sstdrv_ops->scard_ops->input_dev_id = DMIC;
 		intelmaddata->sstdrv_ops->scard_ops->output_dev_id =
 							STEREO_HEADPHONE;
+		intelmaddata->sstdrv_ops->scard_ops->lineout_dev_id = NONE;
 	}
 
 	/* registering with SST driver to get access to SST APIs to use */

drivers/staging/intel_sst/intelmid.h

@@ -53,11 +53,11 @@
 #define STEREO_CNTL		2
 #define MIN_CHANNEL		1
 #define MAX_CHANNEL_AMIC	2
-#define MAX_CHANNEL_DMIC	4
+#define MAX_CHANNEL_DMIC	5
 #define FIFO_SIZE		0 /* fifo not being used */
 #define INTEL_MAD		"Intel MAD"
 #define MAX_CTRL_MRST		7
-#define MAX_CTRL_MFLD		2
+#define MAX_CTRL_MFLD		3
 #define MAX_CTRL		7
 #define MAX_VENDORS		4
 /* TODO +6 db */
@@ -116,6 +116,7 @@ struct snd_intelmad {
 	void __iomem *int_base;
 	int output_sel;
 	int input_sel;
+	int lineout_sel;
 	int master_mute;
 	struct mad_jack jack[4];
 	int playback_cnt;
@@ -163,6 +164,9 @@ enum _widget_ctrl {
 	CAPTURE_MUTE,
 	MASTER_MUTE
 };
+enum _widget_ctrl_mfld {
+	LINEOUT_SEL_MFLD = 3,
+};
 
 void period_elapsed(void *mad_substream);
 int snd_intelmad_alloc_stream(struct snd_pcm_substream *substream);

drivers/staging/intel_sst/intelmid_ctrl.c

@@ -40,6 +40,11 @@ static char *out_names_mrst[] = {"Headphones",
 static char *in_names_mrst[] = {"AMIC",
 				"DMIC",
 				"HS_MIC"};
+static char *line_out_names_mfld[] = {"Headset",
+				"IHF    ",
+				"Vibra1 ",
+				"Vibra2 ",
+				"NONE   "};
 static char *out_names_mfld[] = {"Headset ",
 				"EarPiece  "};
 static char *in_names_mfld[] = {"AMIC",
@@ -179,13 +184,27 @@ static int snd_intelmad_device_info_mrst(struct snd_kcontrol *kcontrol,
 static int snd_intelmad_device_info_mfld(struct snd_kcontrol *kcontrol,
 					struct snd_ctl_elem_info *uinfo)
 {
+	struct snd_pmic_ops *scard_ops;
+	struct snd_intelmad *intelmaddata;
+
 	WARN_ON(!kcontrol);
 	WARN_ON(!uinfo);
+
+	intelmaddata = kcontrol->private_data;
+
+	WARN_ON(!intelmaddata->sstdrv_ops);
+
+	scard_ops = intelmaddata->sstdrv_ops->scard_ops;
 	/* setup device select as drop down controls with different values */
 	if (kcontrol->id.numid == OUTPUT_SEL)
 		uinfo->value.enumerated.items = ARRAY_SIZE(out_names_mfld);
-	else
+	else if (kcontrol->id.numid == INPUT_SEL)
 		uinfo->value.enumerated.items = ARRAY_SIZE(in_names_mfld);
+	else if (kcontrol->id.numid == LINEOUT_SEL_MFLD) {
+		uinfo->value.enumerated.items = ARRAY_SIZE(line_out_names_mfld);
+		scard_ops->line_out_names_cnt = uinfo->value.enumerated.items;
+	} else
+		return -EINVAL;
 	uinfo->count = MONO_CNTL;
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 
@@ -195,10 +214,16 @@ static int snd_intelmad_device_info_mfld(struct snd_kcontrol *kcontrol,
 		strncpy(uinfo->value.enumerated.name,
 			out_names_mfld[uinfo->value.enumerated.item],
 			sizeof(uinfo->value.enumerated.name)-1);
-	else
+	else if (kcontrol->id.numid == INPUT_SEL)
 		strncpy(uinfo->value.enumerated.name,
 			in_names_mfld[uinfo->value.enumerated.item],
 			sizeof(uinfo->value.enumerated.name)-1);
+	else if (kcontrol->id.numid == LINEOUT_SEL_MFLD)
+		strncpy(uinfo->value.enumerated.name,
+			line_out_names_mfld[uinfo->value.enumerated.item],
+			sizeof(uinfo->value.enumerated.name)-1);
+	else
+		return -EINVAL;
 	return 0;
 }
 
@@ -472,6 +497,9 @@ static int snd_intelmad_device_get(struct snd_kcontrol *kcontrol,
 		else if (kcontrol->id.numid == INPUT_SEL)
 			uval->value.enumerated.item[0] =
 					scard_ops->input_dev_id;
+		else if (kcontrol->id.numid == LINEOUT_SEL_MFLD)
+			uval->value.enumerated.item[0] =
+					scard_ops->lineout_dev_id;
 		else
 			return -EINVAL;
 	} else
@@ -534,6 +562,11 @@ static int snd_intelmad_device_set(struct snd_kcontrol *kcontrol,
 				uval->value.enumerated.item[0]);
 		intelmaddata->input_sel = uval->value.enumerated.item[0];
 		break;
+	case LINEOUT_SEL_MFLD:
+		ret_val = scard_ops->set_lineout_dev(
+					uval->value.enumerated.item[0]);
+		intelmaddata->lineout_sel = uval->value.enumerated.item[0];
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -627,5 +660,14 @@ snd_intelmad_controls_mfld[MAX_CTRL_MFLD] __devinitdata = {
 	.put		=	snd_intelmad_device_set,
 	.private_value	=	0,
 },
+{
+	.iface		=	SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name		=	"Line out",
+	.access		=	SNDRV_CTL_ELEM_ACCESS_READWRITE,
+	.info		=	snd_intelmad_device_info_mfld,
+	.get		=	snd_intelmad_device_get,
+	.put		=	snd_intelmad_device_set,
+	.private_value	=	0,
+},
 };
 

drivers/staging/intel_sst/intelmid_snd_control.h

@@ -80,6 +80,13 @@ enum SND_INPUT_DEVICE {
 	HS_MIC,
 	IN_UNDEFINED
 };
+enum SND_LINE_OUT_DEVICE {
+	HEADSET,
+	IHF,
+	VIBRA1,
+	VIBRA2,
+	NONE,
+};
 
 enum SND_OUTPUT_DEVICE {
 	STEREO_HEADPHONE,

drivers/staging/intel_sst/intelmid_v0_control.c

@@ -494,7 +494,10 @@ static int fs_set_selected_output_dev(u8 value)
 
 	}
 }
-
+static int fs_set_selected_lineout_dev(u8 value)
+{
+	return 0;
+}
 static int fs_set_mute(int dev_id, u8 value)
 {
 	struct sc_reg_access sc_access[6] = {{0,},};
@@ -756,6 +759,7 @@ static int fs_get_vol(int dev_id, int *value)
 struct snd_pmic_ops snd_pmic_ops_fs = {
 	.set_input_dev = fs_set_selected_input_dev,
 	.set_output_dev = fs_set_selected_output_dev,
+	.set_lineout_dev = fs_set_selected_lineout_dev,
 	.set_mute = fs_set_mute,
 	.get_mute = fs_get_mute,
 	.set_vol = fs_set_vol,

drivers/staging/intel_sst/intelmid_v1_control.c

@@ -584,6 +584,10 @@ static int mx_set_selected_input_dev(u8 dev_id)
 	}
 	return sst_sc_reg_access(sc_access, PMIC_WRITE, num_reg);
 }
+static int mx_set_selected_lineout_dev(u8 dev_id)
+{
+	return 0;
+}
 
 static int mx_set_mute(int dev_id, u8 value)
 {
@@ -834,6 +838,7 @@ static int mx_get_vol(int dev_id, int *value)
 struct snd_pmic_ops snd_pmic_ops_mx = {
 	.set_input_dev = mx_set_selected_input_dev,
 	.set_output_dev = mx_set_selected_output_dev,
+	.set_lineout_dev = mx_set_selected_lineout_dev,
 	.set_mute = mx_set_mute,
 	.get_mute = mx_get_mute,
 	.set_vol = mx_set_vol,

drivers/staging/intel_sst/intelmid_v2_control.c

@@ -884,7 +884,10 @@ static int nc_set_selected_input_dev(u8 value)
 	}
 	return sst_sc_reg_access(sc_access, PMIC_READ_MODIFY, num_val);
 }
-
+static int nc_set_selected_lineout_dev(u8 dev_id)
+{
+	return 0;
+}
 static int nc_get_mute(int dev_id, u8 *value)
 {
 	int retval = 0, mask = 0;
@@ -989,6 +992,7 @@ static int nc_get_vol(int dev_id, int *value)
 struct snd_pmic_ops snd_pmic_ops_nc = {
 	.set_input_dev	=	nc_set_selected_input_dev,
 	.set_output_dev =	nc_set_selected_output_dev,
+	.set_lineout_dev =	nc_set_selected_lineout_dev,
 	.set_mute	=	nc_set_mute,
 	.get_mute	=	nc_get_mute,
 	.set_vol	=	nc_set_vol,