intel_sst: rework jack implementation

This patch fixes the below issues w.r.t jack implementation

a) The current jack implementation in driver is implemented
   in intelmid.c. It has moved to vendor files for better managebility
b) Cleaned up jack reporting per upstream comments
c) Implemented jack for msic, added code to read adc and deduce jack
   type based on mic bias
d) Support detection of american headset

Signed-off-by: Dharageswari R <dharageswari.r@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
[Corrections]
Signed-off-by: Lu Guanqun <guanqun.lu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 63 insertions, 6 deletions

diff --git a/drivers/staging/intel_sst/intelmid_v2_control.c b/drivers/staging/intel_sst/intelmid_v2_control.c
index 499fe64..34cddb8 100644
--- a/drivers/staging/intel_sst/intelmid_v2_control.c
+++ b/drivers/staging/intel_sst/intelmid_v2_control.c
@@ -30,8 +30,10 @@
 
 #include <linux/pci.h>
 #include <linux/file.h>
+#include <sound/control.h>
 #include "intel_sst.h"
 #include "intelmid_snd_control.h"
+#include "intelmid.h"
 
 enum reg_v3 {
 	VAUDIOCNT = 0x51,
@@ -884,10 +886,7 @@ 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;
@@ -989,10 +988,66 @@ static int nc_get_vol(int dev_id, int *value)
 	return retval;
 }
 
+static void nc_pmic_irq_cb(void *cb_data, u8 intsts)
+{
+	u8 value = 0;
+	struct mad_jack *mjack = NULL;
+	unsigned int present = 0, jack_event_flag = 0, buttonpressflag = 0;
+	struct snd_intelmad *intelmaddata = cb_data;
+	struct sc_reg_access sc_access_read = {0,};
+
+	sc_access_read.reg_addr = 0x132;
+	sst_sc_reg_access(&sc_access_read, PMIC_READ, 1);
+	value = (sc_access_read.value);
+	pr_debug("value returned = 0x%x\n", value);
+
+	mjack = &intelmaddata->jack[0];
+	if (intsts & 0x1) {
+		pr_debug("SST DBG:MAD headset detected\n");
+		/* send headset detect/undetect */
+		present = (value == 0x1) ? 1 : 0;
+		jack_event_flag = 1;
+		mjack->jack.type = SND_JACK_HEADSET;
+	}
+
+	if (intsts & 0x2) {
+		pr_debug(":MAD headphone detected\n");
+		/* send headphone detect/undetect */
+		present = (value == 0x2) ? 1 : 0;
+		jack_event_flag = 1;
+		mjack->jack.type = SND_JACK_HEADPHONE;
+	}
+
+	if (intsts & 0x4) {
+		pr_debug("MAD short push detected\n");
+		/* send short push */
+		present = 1;
+		jack_event_flag = 1;
+		buttonpressflag = 1;
+		mjack->jack.type = MID_JACK_HS_SHORT_PRESS;
+	}
+
+	if (intsts & 0x8) {
+		pr_debug(":MAD long push detected\n");
+		/* send long push */
+		present = 1;
+		jack_event_flag = 1;
+		buttonpressflag = 1;
+		mjack->jack.type = MID_JACK_HS_SHORT_PRESS;
+	}
+
+	if (jack_event_flag)
+		sst_mad_send_jack_report(&mjack->jack,
+					buttonpressflag, present);
+}
+static int nc_jack_enable(void)
+{
+	return 0;
+}
+
 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,
@@ -1006,5 +1061,7 @@ struct snd_pmic_ops snd_pmic_ops_nc = {
 	.power_up_pmic_cp =	nc_power_up_cp,
 	.power_down_pmic_pb =	nc_power_down_pb,
 	.power_down_pmic_cp =	nc_power_down_cp,
-	.power_down_pmic =	nc_power_down,
+	.power_down_pmic	=	nc_power_down,
+	.pmic_irq_cb	=	nc_pmic_irq_cb,
+	.pmic_jack_enable =	nc_jack_enable,
 };