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Commit 59b8311a authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB: saa717x: convert to the new control framework

parent ebc3bba5
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+81 −242
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@
#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-i2c-drv.h>

MODULE_DESCRIPTION("Philips SAA717x audio/video decoder driver");
@@ -55,14 +56,11 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");

struct saa717x_state {
	struct v4l2_subdev sd;
	struct v4l2_ctrl_handler hdl;
	v4l2_std_id std;
	int input;
	int enable;
	int radio;
	int bright;
	int contrast;
	int hue;
	int sat;
	int playback;
	int audio;
	int tuner_audio_mode;
@@ -81,6 +79,11 @@ static inline struct saa717x_state *to_state(struct v4l2_subdev *sd)
	return container_of(sd, struct saa717x_state, sd);
}

static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
{
	return &container_of(ctrl->handler, struct saa717x_state, hdl)->sd;
}

/* ----------------------------------------------------------------------- */

/* for audio mode */
@@ -774,29 +777,6 @@ static void set_audio_mode(struct v4l2_subdev *sd, int audio_mode)
	saa717x_write(sd, 0x470, reg_set_audio_template[audio_mode][1]);
}

/* write regs to video output level (bright,contrast,hue,sat) */
static void set_video_output_level_regs(struct v4l2_subdev *sd,
		struct saa717x_state *decoder)
{
	/* brightness ffh (bright) - 80h (ITU level) - 00h (dark) */
	saa717x_write(sd, 0x10a, decoder->bright);

	/* contrast 7fh (max: 1.984) - 44h (ITU) - 40h (1.0) -
	   0h (luminance off) 40: i2c dump
	   c0h (-1.0 inverse chrominance)
	   80h (-2.0 inverse chrominance) */
	saa717x_write(sd, 0x10b, decoder->contrast);

	/* saturation? 7fh(max)-40h(ITU)-0h(color off)
	   c0h (-1.0 inverse chrominance)
	   80h (-2.0 inverse chrominance) */
	saa717x_write(sd, 0x10c, decoder->sat);

	/* color hue (phase) control
	   7fh (+178.6) - 0h (0 normal) - 80h (-180.0) */
	saa717x_write(sd, 0x10d, decoder->hue);
}

/* write regs to set audio volume, bass and treble */
static int set_audio_regs(struct v4l2_subdev *sd,
		struct saa717x_state *decoder)
@@ -829,9 +809,9 @@ static int set_audio_regs(struct v4l2_subdev *sd,

	saa717x_write(sd, 0x480, val);

	/* bass and treble; go to another function */
	/* set bass and treble */
	val = decoder->audio_main_bass | (decoder->audio_main_treble << 8);
	val = decoder->audio_main_bass & 0x1f;
	val |= (decoder->audio_main_treble & 0x1f) << 5;
	saa717x_write(sd, 0x488, val);
	return 0;
}
@@ -893,218 +873,55 @@ static void set_v_scale(struct v4l2_subdev *sd, int task, int yscale)
	saa717x_write(sd, 0x71 + task_shift, yscale >> 8);
}

static int saa717x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
static int saa717x_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct v4l2_subdev *sd = to_sd(ctrl);
	struct saa717x_state *state = to_state(sd);

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		if (ctrl->value < 0 || ctrl->value > 255) {
			v4l2_err(sd, "invalid brightness setting %d\n", ctrl->value);
			return -ERANGE;
		}

		state->bright = ctrl->value;
		v4l2_dbg(1, debug, sd, "bright:%d\n", state->bright);
		saa717x_write(sd, 0x10a, state->bright);
		break;

	case V4L2_CID_CONTRAST:
		if (ctrl->value < 0 || ctrl->value > 127) {
			v4l2_err(sd, "invalid contrast setting %d\n", ctrl->value);
			return -ERANGE;
		}

		state->contrast = ctrl->value;
		v4l2_dbg(1, debug, sd, "contrast:%d\n", state->contrast);
		saa717x_write(sd, 0x10b, state->contrast);
		break;

	case V4L2_CID_SATURATION:
		if (ctrl->value < 0 || ctrl->value > 127) {
			v4l2_err(sd, "invalid saturation setting %d\n", ctrl->value);
			return -ERANGE;
		}

		state->sat = ctrl->value;
		v4l2_dbg(1, debug, sd, "sat:%d\n", state->sat);
		saa717x_write(sd, 0x10c, state->sat);
		break;

	case V4L2_CID_HUE:
		if (ctrl->value < -128 || ctrl->value > 127) {
			v4l2_err(sd, "invalid hue setting %d\n", ctrl->value);
			return -ERANGE;
		}

		state->hue = ctrl->value;
		v4l2_dbg(1, debug, sd, "hue:%d\n", state->hue);
		saa717x_write(sd, 0x10d, state->hue);
		break;

	case V4L2_CID_AUDIO_MUTE:
		state->audio_main_mute = ctrl->value;
		set_audio_regs(sd, state);
		break;

	case V4L2_CID_AUDIO_VOLUME:
		state->audio_main_volume = ctrl->value;
		set_audio_regs(sd, state);
		break;

	case V4L2_CID_AUDIO_BALANCE:
		state->audio_main_balance = ctrl->value;
		set_audio_regs(sd, state);
		break;

	case V4L2_CID_AUDIO_TREBLE:
		state->audio_main_treble = ctrl->value;
		set_audio_regs(sd, state);
		break;

	case V4L2_CID_AUDIO_BASS:
		state->audio_main_bass = ctrl->value;
		set_audio_regs(sd, state);
		break;

	default:
		return -EINVAL;
	}

		saa717x_write(sd, 0x10a, ctrl->val);
		return 0;
}

static int saa717x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	struct saa717x_state *state = to_state(sd);

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		ctrl->value = state->bright;
		break;

	case V4L2_CID_CONTRAST:
		ctrl->value = state->contrast;
		break;
		saa717x_write(sd, 0x10b, ctrl->val);
		return 0;

	case V4L2_CID_SATURATION:
		ctrl->value = state->sat;
		break;
		saa717x_write(sd, 0x10c, ctrl->val);
		return 0;

	case V4L2_CID_HUE:
		ctrl->value = state->hue;
		break;
		saa717x_write(sd, 0x10d, ctrl->val);
		return 0;

	case V4L2_CID_AUDIO_MUTE:
		ctrl->value = state->audio_main_mute;
		state->audio_main_mute = ctrl->val;
		break;

	case V4L2_CID_AUDIO_VOLUME:
		ctrl->value = state->audio_main_volume;
		state->audio_main_volume = ctrl->val;
		break;

	case V4L2_CID_AUDIO_BALANCE:
		ctrl->value = state->audio_main_balance;
		state->audio_main_balance = ctrl->val;
		break;

	case V4L2_CID_AUDIO_TREBLE:
		ctrl->value = state->audio_main_treble;
		state->audio_main_treble = ctrl->val;
		break;

	case V4L2_CID_AUDIO_BASS:
		ctrl->value = state->audio_main_bass;
		state->audio_main_bass = ctrl->val;
		break;

	default:
		return -EINVAL;
		return 0;
	}

	set_audio_regs(sd, state);
	return 0;
}

static struct v4l2_queryctrl saa717x_qctrl[] = {
	{
		.id            = V4L2_CID_BRIGHTNESS,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Brightness",
		.minimum       = 0,
		.maximum       = 255,
		.step          = 1,
		.default_value = 128,
		.flags         = 0,
	}, {
		.id            = V4L2_CID_CONTRAST,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Contrast",
		.minimum       = 0,
		.maximum       = 255,
		.step          = 1,
		.default_value = 64,
		.flags         = 0,
	}, {
		.id            = V4L2_CID_SATURATION,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Saturation",
		.minimum       = 0,
		.maximum       = 255,
		.step          = 1,
		.default_value = 64,
		.flags         = 0,
	}, {
		.id            = V4L2_CID_HUE,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Hue",
		.minimum       = -128,
		.maximum       = 127,
		.step          = 1,
		.default_value = 0,
		.flags 	       = 0,
	}, {
		.id            = V4L2_CID_AUDIO_VOLUME,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Volume",
		.minimum       = 0,
		.maximum       = 65535,
		.step          = 65535 / 100,
		.default_value = 58880,
		.flags         = 0,
	}, {
		.id            = V4L2_CID_AUDIO_BALANCE,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Balance",
		.minimum       = 0,
		.maximum       = 65535,
		.step          = 65535 / 100,
		.default_value = 32768,
		.flags         = 0,
	}, {
		.id            = V4L2_CID_AUDIO_MUTE,
		.type          = V4L2_CTRL_TYPE_BOOLEAN,
		.name          = "Mute",
		.minimum       = 0,
		.maximum       = 1,
		.step          = 1,
		.default_value = 1,
		.flags         = 0,
	}, {
		.id            = V4L2_CID_AUDIO_BASS,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Bass",
		.minimum       = 0,
		.maximum       = 65535,
		.step          = 65535 / 100,
		.default_value = 32768,
	}, {
		.id            = V4L2_CID_AUDIO_TREBLE,
		.type          = V4L2_CTRL_TYPE_INTEGER,
		.name          = "Treble",
		.minimum       = 0,
		.maximum       = 65535,
		.step          = 65535 / 100,
		.default_value = 32768,
	},
};

static int saa717x_s_video_routing(struct v4l2_subdev *sd,
				   u32 input, u32 output, u32 config)
{
@@ -1158,18 +975,6 @@ static int saa717x_s_video_routing(struct v4l2_subdev *sd,
	return 0;
}

static int saa717x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(saa717x_qctrl); i++)
		if (qc->id && qc->id == saa717x_qctrl[i].id) {
			memcpy(qc, &saa717x_qctrl[i], sizeof(*qc));
			return 0;
		}
	return -EINVAL;
}

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
@@ -1386,17 +1191,34 @@ static int saa717x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
	return 0;
}

static int saa717x_log_status(struct v4l2_subdev *sd)
{
	struct saa717x_state *state = to_state(sd);

	v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
	return 0;
}

/* ----------------------------------------------------------------------- */

static const struct v4l2_ctrl_ops saa717x_ctrl_ops = {
	.s_ctrl = saa717x_s_ctrl,
};

static const struct v4l2_subdev_core_ops saa717x_core_ops = {
#ifdef CONFIG_VIDEO_ADV_DEBUG
	.g_register = saa717x_g_register,
	.s_register = saa717x_s_register,
#endif
	.queryctrl = saa717x_queryctrl,
	.g_ctrl = saa717x_g_ctrl,
	.s_ctrl = saa717x_s_ctrl,
	.s_std = saa717x_s_std,
	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
	.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
	.g_ctrl = v4l2_subdev_g_ctrl,
	.s_ctrl = v4l2_subdev_s_ctrl,
	.queryctrl = v4l2_subdev_queryctrl,
	.querymenu = v4l2_subdev_querymenu,
	.log_status = saa717x_log_status,
};

static const struct v4l2_subdev_tuner_ops saa717x_tuner_ops = {
@@ -1432,6 +1254,7 @@ static int saa717x_probe(struct i2c_client *client,
			 const struct i2c_device_id *did)
{
	struct saa717x_state *decoder;
	struct v4l2_ctrl_handler *hdl;
	struct v4l2_subdev *sd;
	u8 id = 0;
	char *p = "";
@@ -1467,16 +1290,41 @@ static int saa717x_probe(struct i2c_client *client,
		p = "saa7171";
	v4l2_info(sd, "%s found @ 0x%x (%s)\n", p,
			client->addr << 1, client->adapter->name);

	hdl = &decoder->hdl;
	v4l2_ctrl_handler_init(hdl, 9);
	/* add in ascending ID order */
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_CONTRAST, 0, 255, 1, 68);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_SATURATION, 0, 255, 1, 64);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_HUE, -128, 127, 1, 0);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 42000);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_AUDIO_BASS, -16, 15, 1, 0);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_AUDIO_TREBLE, -16, 15, 1, 0);
	v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops,
			V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
	sd->ctrl_handler = hdl;
	if (hdl->error) {
		int err = hdl->error;

		v4l2_ctrl_handler_free(hdl);
		kfree(decoder);
		return err;
	}

	decoder->std = V4L2_STD_NTSC;
	decoder->input = -1;
	decoder->enable = 1;

	/* tune these parameters */
	decoder->bright = 0x80;
	decoder->contrast = 0x44;
	decoder->sat = 0x40;
	decoder->hue = 0x00;

	/* FIXME!! */
	decoder->playback = 0;	/* initially capture mode used */
	decoder->audio = 1; /* DECODER_AUDIO_48_KHZ */
@@ -1487,23 +1335,13 @@ static int saa717x_probe(struct i2c_client *client,
	/* set volume, bass and treble */
	decoder->audio_main_vol_l = 6;
	decoder->audio_main_vol_r = 6;
	decoder->audio_main_bass = 0;
	decoder->audio_main_treble = 0;
	decoder->audio_main_mute = 0;
	decoder->audio_main_balance = 32768;
	/* normalize (24 to -40 (not -84) -> 65535 to 0) */
	decoder->audio_main_volume =
		(decoder->audio_main_vol_r + 41) * 65535 / (24 - (-40));

	v4l2_dbg(1, debug, sd, "writing init values\n");

	/* FIXME!! */
	saa717x_write_regs(sd, reg_init_initialize);
	set_video_output_level_regs(sd, decoder);
	/* set bass,treble to 0db 20041101 K.Ohta */
	decoder->audio_main_bass = 0;
	decoder->audio_main_treble = 0;
	set_audio_regs(sd, decoder);

	v4l2_ctrl_handler_setup(hdl);

	set_current_state(TASK_INTERRUPTIBLE);
	schedule_timeout(2*HZ);
@@ -1515,6 +1353,7 @@ static int saa717x_remove(struct i2c_client *client)
	struct v4l2_subdev *sd = i2c_get_clientdata(client);

	v4l2_device_unregister_subdev(sd);
	v4l2_ctrl_handler_free(sd->ctrl_handler);
	kfree(to_state(sd));
	return 0;
}