V4L/DVB (12091): gspca_sonixj: Add light frequency control

gspca_sonixj: Add light frequency control

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 123 insertions, 10 deletions

diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 6f475b471fb9..7daa60299c0e 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -46,6 +46,7 @@ struct sd {
         u8 gamma;
         u8 vflip;                       /* ov7630/ov7648 only */
         u8 infrared;                    /* mt9v111 only */
+        u8 freq;                        /* ov76xx only */
         u8 quality;                     /* image quality */
 #define QUALITY_MIN 60
 #define QUALITY_MAX 95
@@ -96,6 +97,8 @@ static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
 static int sd_setinfrared(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
 
 static struct ctrl sd_ctrls[] = {
 #define BRIGHTNESS_IDX 0
@@ -237,19 +240,35 @@ static struct ctrl sd_ctrls[] = {
             .set = sd_setinfrared,
             .get = sd_getinfrared,
         },
+/* ov7630/ov7648/ov7660 only */
+#define FREQ_IDX 9
+        {
+            {
+                .id      = V4L2_CID_POWER_LINE_FREQUENCY,
+                .type    = V4L2_CTRL_TYPE_MENU,
+                .name    = "Light frequency filter",
+                .minimum = 0,
+                .maximum = 2,   /* 0: 0, 1: 50Hz, 2:60Hz */
+                .step    = 1,
+#define FREQ_DEF 2
+                .default_value = FREQ_DEF,
+            },
+            .set = sd_setfreq,
+            .get = sd_getfreq,
+        },
 };
 
 /* table of the disabled controls */
 static __u32 ctrl_dis[] = {
-        (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
+        (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
                                                 /* SENSOR_HV7131R 0 */
-        (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
+        (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
                                                 /* SENSOR_MI0360 1 */
-        (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
+        (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
                                                 /* SENSOR_MO4000 2 */
-        (1 << VFLIP_IDX),
+        (1 << VFLIP_IDX) | (1 << FREQ_IDX),
                                                 /* SENSOR_MT9V111 3 */
-        (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
+        (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
                                                 /* SENSOR_OM6802 4 */
         (1 << INFRARED_IDX),
                                                 /* SENSOR_OV7630 5 */
@@ -257,8 +276,8 @@ static __u32 ctrl_dis[] = {
                                                 /* SENSOR_OV7648 6 */
         (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
                                                 /* SENSOR_OV7660 7 */
-        (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
-                                                /* SENSOR_SP80708 8 */
+        (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX) |
+                              (1 << FREQ_IDX),  /* SENSOR_SP80708 8 */
 };
 
 static const struct v4l2_pix_format vga_mode[] = {
@@ -647,8 +666,8 @@ static const u8 ov7630_sensor_init[][8] = {
         {0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
         {0xb1, 0x21, 0x01, 0x80, 0x80, 0x00, 0x00, 0x10},
 /* */
-        {0xa1, 0x21, 0x2a, 0x88, 0x00, 0x00, 0x00, 0x10},
-        {0xa1, 0x21, 0x2b, 0x34, 0x00, 0x00, 0x00, 0x10},
+/*      {0xa1, 0x21, 0x2a, 0x88, 0x00, 0x00, 0x00, 0x10}, * set by setfreq */
+/*      {0xa1, 0x21, 0x2b, 0x34, 0x00, 0x00, 0x00, 0x10}, * set by setfreq */
 /* */
         {0xa1, 0x21, 0x10, 0x83, 0x00, 0x00, 0x00, 0x10},
 /*      {0xb1, 0x21, 0x01, 0x88, 0x70, 0x00, 0x00, 0x10}, */
@@ -681,7 +700,7 @@ static const u8 ov7648_sensor_init[][8] = {
         {0xd1, 0x21, 0x21, 0x86, 0x00, 0xde, 0xa0, 0x10},
 /*      {0xd1, 0x21, 0x25, 0x80, 0x32, 0xfe, 0xa0, 0x10}, jfm done */
 /*      {0xd1, 0x21, 0x29, 0x00, 0x91, 0x00, 0x88, 0x10}, jfm done */
-        {0xb1, 0x21, 0x2d, 0x85, 0x00, 0x00, 0x00, 0x10},
+/*      {0xb1, 0x21, 0x2d, 0x85, 0x00, 0x00, 0x00, 0x10}, set by setfreq */
 /*...*/
 /*      {0xa1, 0x21, 0x12, 0x08, 0x00, 0x00, 0x00, 0x10}, jfm done */
 /*      {0xa1, 0x21, 0x75, 0x06, 0x00, 0x00, 0x00, 0x10},   * COMN
@@ -1307,6 +1326,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
         else
                 sd->vflip = 1;
         sd->infrared = INFRARED_DEF;
+        sd->freq = FREQ_DEF;
         sd->quality = QUALITY_DEF;
         sd->jpegqual = 80;
 
@@ -1610,6 +1630,58 @@ static void setinfrared(struct sd *sd)
                 sd->infrared ? 0x66 : 0x64);
 }
 
+static void setfreq(struct gspca_dev *gspca_dev)
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        if (sd->sensor == SENSOR_OV7660) {
+                switch (sd->freq) {
+                case 0: /* Banding filter disabled */
+                        i2c_w1(gspca_dev, 0x13, 0xdf);
+                        break;
+                case 1: /* 50 hz */
+                        i2c_w1(gspca_dev, 0x13, 0xff);
+                        i2c_w1(gspca_dev, 0x3b, 0x0a);
+                        break;
+                case 2: /* 60 hz */
+                        i2c_w1(gspca_dev, 0x13, 0xff);
+                        i2c_w1(gspca_dev, 0x3b, 0x02);
+                        break;
+                }
+        } else {
+                u8 reg2a = 0, reg2b = 0, reg2d = 0;
+
+                /* Get reg2a / reg2d base values */
+                switch (sd->sensor) {
+                case SENSOR_OV7630:
+                        reg2a = 0x08;
+                        reg2d = 0x01;
+                        break;
+                case SENSOR_OV7648:
+                        reg2a = 0x11;
+                        reg2d = 0x81;
+                        break;
+                }
+
+                switch (sd->freq) {
+                case 0: /* Banding filter disabled */
+                        break;
+                case 1: /* 50 hz (filter on and framerate adj) */
+                        reg2a |= 0x80;
+                        reg2b = 0xac;
+                        reg2d |= 0x04;
+                        break;
+                case 2: /* 60 hz (filter on, no framerate adj) */
+                        reg2a |= 0x80;
+                        reg2d |= 0x04;
+                        break;
+                }
+                i2c_w1(gspca_dev, 0x2a, reg2a);
+                i2c_w1(gspca_dev, 0x2b, reg2b);
+                i2c_w1(gspca_dev, 0x2d, reg2d);
+        }
+}
+
 static void setjpegqual(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
@@ -1836,6 +1908,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
         setbrightness(gspca_dev);
         setcontrast(gspca_dev);
         setautogain(gspca_dev);
+        setfreq(gspca_dev);
         return 0;
 }
 
@@ -2139,6 +2212,24 @@ static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val)
         return 0;
 }
 
+static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        sd->freq = val;
+        if (gspca_dev->streaming)
+                setfreq(gspca_dev);
+        return 0;
+}
+
+static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        *val = sd->freq;
+        return 0;
+}
+
 static int sd_set_jcomp(struct gspca_dev *gspca_dev,
                         struct v4l2_jpegcompression *jcomp)
 {
@@ -2167,6 +2258,27 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
         return 0;
 }
 
+static int sd_querymenu(struct gspca_dev *gspca_dev,
+                        struct v4l2_querymenu *menu)
+{
+        switch (menu->id) {
+        case V4L2_CID_POWER_LINE_FREQUENCY:
+                switch (menu->index) {
+                case 0:         /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
+                        strcpy((char *) menu->name, "NoFliker");
+                        return 0;
+                case 1:         /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
+                        strcpy((char *) menu->name, "50 Hz");
+                        return 0;
+                case 2:         /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
+                        strcpy((char *) menu->name, "60 Hz");
+                        return 0;
+                }
+                break;
+        }
+        return -EINVAL;
+}
+
 /* sub-driver description */
 static const struct sd_desc sd_desc = {
         .name = MODULE_NAME,
@@ -2181,6 +2293,7 @@ static const struct sd_desc sd_desc = {
         .dq_callback = do_autogain,
         .get_jcomp = sd_get_jcomp,
         .set_jcomp = sd_set_jcomp,
+        .querymenu = sd_querymenu,
 };
 
 /* -- module initialisation -- */