1 files changed, 346 insertions, 0 deletions
diff --git a/drivers/media/video/wmt_v4l2/sensors/gc0309/gc0309.c b/drivers/media/video/wmt_v4l2/sensors/gc0309/gc0309.c
new file mode 100755
index 00000000..488a677f
--- /dev/null
+++ b/drivers/media/video/wmt_v4l2/sensors/gc0309/gc0309.c
@@ -0,0 +1,346 @@
+
+#include "../cmos-subdev.h"
+#include "../../wmt-vid.h"
+#include "gc0309.h"
+
+#define sensor_write_array(sd, arr, sz) \
+	cmos_init_8bit_addr(arr, sz, (sd)->i2c_addr)
+
+#define sensor_read(sd, reg) \
+	wmt_vid_i2c_read(sd->i2c_addr, reg)
+
+#define sensor_write(sd, reg, val) \
+	wmt_vid_i2c_write(sd->i2c_addr, reg, val)
+
+struct cmos_win_size {
+	char		*name;
+	int		width;
+	int		height;
+	uint8_t 	*regs;
+	size_t		size;
+};
+
+#define CMOS_WIN_SIZE(n, w, h, r) \
+	{.name = n, .width = w , .height = h, .regs = r, .size = ARRAY_SIZE(r) }
+
+#define FILP_REG_INIT_VALUE	  0x10
+#define DELAY_INTERVAL		50
+#define RETRY_TIMES              10
+
+static const struct cmos_win_size cmos_supported_win_sizes[] = {
+//	CMOS_WIN_SIZE("QVGA", 320, 240, gc0309_320x240),
+	CMOS_WIN_SIZE("VGA",  640, 480, gc0309_640x480),
+};
+
+static const struct cmos_win_size *cmos_select_win(u32 *width, u32 *height)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cmos_supported_win_sizes); i++) {
+		if (cmos_supported_win_sizes[i].width == *width &&
+		    cmos_supported_win_sizes[i].height == *height) {
+			*width = cmos_supported_win_sizes[i].width;
+			*height = cmos_supported_win_sizes[i].height;
+			return &cmos_supported_win_sizes[i];
+		}
+	}
+	return NULL;
+}
+
+static int sensor_s_wb(struct cmos_subdev *sd, enum v4l2_wb_mode value)
+{
+	uint8_t *regs;
+	size_t size;
+
+	switch (value) {
+	case WHITE_BALANCE_AUTO:
+		regs = gc0309_wb_auto;
+		size = ARRAY_SIZE(gc0309_wb_auto);
+		break;
+	case WHITE_BALANCE_INCANDESCENCE:
+		regs = gc0309_wb_incandescent;
+		size = ARRAY_SIZE(gc0309_wb_incandescent);
+		break;
+	case WHITE_BALANCE_DAYLIGHT:
+		regs = gc0309_wb_daylight;
+		size = ARRAY_SIZE(gc0309_wb_daylight);
+		break;
+	case WHITE_BALANCE_CLOUDY:
+		regs = gc0309_wb_cloudy;
+		size = ARRAY_SIZE(gc0309_wb_cloudy);
+		break;
+	case WHITE_BALANCE_FLUORESCENT:
+		regs = gc0309_wb_fluorescent;
+		size = ARRAY_SIZE(gc0309_wb_fluorescent);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	sensor_write_array(sd, regs, size);
+	return 0;
+}
+
+static int sensor_s_scenemode(struct cmos_subdev *sd, enum v4l2_scene_mode value)
+{
+	uint8_t *regs;
+	size_t size;
+
+	switch (value) {
+	case SCENE_MODE_AUTO:
+		regs = gc0309_scene_mode_auto;
+		size = ARRAY_SIZE(gc0309_scene_mode_auto);
+		break;
+	case SCENE_MODE_NIGHTSHOT:
+		regs = gc0309_scene_mode_night;
+		size = ARRAY_SIZE(gc0309_scene_mode_night);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	sensor_write_array(sd, regs, size);
+	return 0;
+}
+
+static int sensor_s_exposure(struct cmos_subdev *sd, int value)
+{
+	uint8_t *regs;
+	size_t size;
+
+	switch (value) {
+	case -2:
+		regs = gc0309_exposure_neg6;
+		size = ARRAY_SIZE(gc0309_exposure_neg6);
+		break;
+	case -1:
+		regs = gc0309_exposure_neg3;
+		size = ARRAY_SIZE(gc0309_exposure_neg3);
+		break;
+	case 0:
+		regs = gc0309_exposure_zero;
+		size = ARRAY_SIZE(gc0309_exposure_zero);
+		break;
+	case 1:
+		regs = gc0309_exposure_pos3;
+		size = ARRAY_SIZE(gc0309_exposure_pos3);
+		break;
+	case 2:
+		regs = gc0309_exposure_pos6;
+		size = ARRAY_SIZE(gc0309_exposure_pos6);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	sensor_write_array(sd, regs, size);
+	return 0;
+}
+
+static int sensor_s_hflip(struct cmos_subdev *sd, int value)
+{
+	uint8_t data,tmp=0;
+	uint8_t retry_times=0;
+	
+	sensor_write(sd, 0xfe, 0x00); // set page0
+
+	data = sensor_read(sd, 0x14);
+
+	switch (value) {
+	case 0:
+		data &= ~0x01;
+		break;
+	case 1:
+		data |= 0x01;
+		break;
+	default:
+		return -EINVAL;
+	}
+	
+	tmp=data | FILP_REG_INIT_VALUE;
+	for(retry_times=0;retry_times<RETRY_TIMES;retry_times++){
+		sensor_write(sd, 0x14, tmp);
+		msleep(50+retry_times*DELAY_INTERVAL);
+		if(sensor_read(sd, 0x14)==tmp)
+			break;
+	}
+
+	return 0;
+}
+
+static int sensor_s_vflip(struct cmos_subdev *sd, int value)
+{
+	uint8_t data,tmp=0;
+	uint8_t retry_times=0;
+
+	sensor_write(sd, 0xfe, 0x00); // set page0
+
+	data = sensor_read(sd, 0x14);
+
+	switch (value) {
+	case 0:
+		data &= ~0x02;
+		break;
+	case 1:
+		data |= 0x02;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	tmp=data | FILP_REG_INIT_VALUE;
+	for(retry_times=0;retry_times<RETRY_TIMES;retry_times++){
+		sensor_write(sd, 0x14, tmp);
+		msleep(50+retry_times*DELAY_INTERVAL);
+		if(sensor_read(sd, 0x14)==tmp)
+			break;
+	}
+
+	return 0;
+}
+
+static int sensor_queryctrl(struct cmos_subdev *sd, struct v4l2_queryctrl *qc)
+{
+	switch (qc->id) {
+	case V4L2_CID_VFLIP:
+	case V4L2_CID_HFLIP:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+	case V4L2_CID_CAMERA_SCENE_MODE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+	case V4L2_CID_DO_WHITE_BALANCE:
+		return v4l2_ctrl_query_fill(qc, 0, 3, 1, 0);
+	case V4L2_CID_EXPOSURE:
+		return v4l2_ctrl_query_fill(qc, -2, 2, 1, 0);
+	}
+	return -EINVAL;
+}
+
+static int sensor_s_ctrl(struct cmos_subdev *sd, struct v4l2_control *ctrl)
+{
+	switch (ctrl->id) {
+	case V4L2_CID_CAMERA_SCENE_MODE:
+		return sensor_s_scenemode(sd, ctrl->value);
+	case V4L2_CID_DO_WHITE_BALANCE:	
+		return sensor_s_wb(sd, ctrl->value);	
+	case V4L2_CID_EXPOSURE:
+		return sensor_s_exposure(sd, ctrl->value);	
+	case V4L2_CID_HFLIP:
+		return sensor_s_hflip(sd, ctrl->value);
+	case V4L2_CID_VFLIP:
+		return sensor_s_vflip(sd, ctrl->value);
+	default:
+	case WMT_V4L2_CID_CAMERA_ANTIBANDING:
+		return -EINVAL;
+	}
+	return -EINVAL;
+}
+
+static int sensor_g_mbus_fmt(struct cmos_subdev *sd,
+			     struct v4l2_mbus_framefmt *mf)
+{
+	return -EINVAL;
+}
+
+static int sensor_s_mbus_fmt(struct cmos_subdev *sd,
+			     struct v4l2_mbus_framefmt *mf)
+{
+	const struct cmos_win_size *win;
+
+	win = cmos_select_win(&mf->width, &mf->height);
+	if (!win) {
+		pr_err("%s, s_mbus_fmt failed, width %d, height %d\n", 
+		       sd->name, mf->width, mf->height);
+		return -EINVAL;
+	}
+
+	sensor_write_array(sd, win->regs, win->size);
+	return 0;
+}
+
+static int sensor_try_mbus_fmt(struct cmos_subdev *sd,
+			       struct v4l2_mbus_framefmt *mf)
+{
+	return 0;
+}
+
+static int sensor_enum_framesizes(struct cmos_subdev *sd,
+		struct v4l2_frmsizeenum *fsize)
+{
+	int i;
+	int num_valid = -1;
+	__u32 index = fsize->index;
+
+	for (i = 0; i < ARRAY_SIZE(cmos_supported_win_sizes); i++) {
+		const struct cmos_win_size *win = &cmos_supported_win_sizes[index];
+		if (index == ++num_valid) {
+			fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+			fsize->discrete.width = win->width;
+			fsize->discrete.height = win->height;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int sensor_identify(struct cmos_subdev *sd)
+{
+	return (sensor_read(sd, 0) == sd->id) ? 0 : -EINVAL;
+}
+
+static int sensor_init(struct cmos_subdev *sd)
+{
+	if (sensor_identify(sd)) {
+		return -1;
+	}
+
+	sensor_write_array(sd, gc0309_default_regs_init,
+			   ARRAY_SIZE(gc0309_default_regs_init));
+	mdelay(200);
+	return 0;
+}
+
+static int sensor_exit(struct cmos_subdev *sd)
+{
+	sensor_write_array(sd, gc0309_default_regs_exit,
+			   ARRAY_SIZE(gc0309_default_regs_exit));
+	return 0;
+}
+
+static struct cmos_subdev_ops gc0309_ops = {
+	.identify	= sensor_identify,
+	.init		= sensor_init,
+	.exit		= sensor_exit,
+	.queryctrl	= sensor_queryctrl,
+	.s_ctrl		= sensor_s_ctrl,
+	.s_mbus_fmt     = sensor_s_mbus_fmt,
+	.g_mbus_fmt     = sensor_g_mbus_fmt,
+	.try_mbus_fmt	= sensor_try_mbus_fmt,
+	.enum_framesizes = sensor_enum_framesizes,
+};
+
+struct cmos_subdev gc0309 = {
+	.name		= "gc0309",
+	.i2c_addr	= 0x21,
+	.id		= 0xa0,
+	.max_width	= 640,
+	.max_height	= 480,
+	.ops		= &gc0309_ops,
+};
+
+#if 0
+static int __init gc0309_init(void)
+{
+	return cmos_register_sudbdev(&gc0309);
+}
+
+static void __exit gc0309_exit(void)
+{
+	return cmos_unregister_subdev(&gc0309);
+}
+
+module_init(gc0309_init);
+module_exit(gc0309_exit);
+
+MODULE_LICENSE("GPL");
+#endif