Example #1
0
static int cx25840_audio_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct v4l2_subdev *sd = to_sd(ctrl);
	struct cx25840_state *state = to_state(sd);
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	switch (ctrl->id) {
	case V4L2_CID_AUDIO_VOLUME:
		if (state->mute->val)
			set_volume(client, 0);
		else
			set_volume(client, state->volume->val);
		break;
	case V4L2_CID_AUDIO_BASS:
		/* PATH1_EQ_BASS_VOL */
		cx25840_and_or(client, 0x8d9, ~0x3f,
					48 - (ctrl->val * 48 / 0xffff));
		break;
	case V4L2_CID_AUDIO_TREBLE:
		/* PATH1_EQ_TREBLE_VOL */
		cx25840_and_or(client, 0x8db, ~0x3f,
					48 - (ctrl->val * 48 / 0xffff));
		break;
	case V4L2_CID_AUDIO_BALANCE:
		set_balance(client, ctrl->val);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
void cx25840_audio_set_path(struct i2c_client *client)
{
	struct cx25840_state *state = i2c_get_clientdata(client);

	/* stop microcontroller */
	cx25840_and_or(client, 0x803, ~0x10, 0);

	/* Mute everything to prevent the PFFT! */
	cx25840_write(client, 0x8d3, 0x1f);

	if (state->aud_input == CX25840_AUDIO_SERIAL) {
		/* Set Path1 to Serial Audio Input */
		cx25840_write4(client, 0x8d0, 0x12100101);

		/* The microcontroller should not be started for the
		 * non-tuner inputs: autodetection is specific for
		 * TV audio. */
	} else {
		/* Set Path1 to Analog Demod Main Channel */
		cx25840_write4(client, 0x8d0, 0x7038061f);

		/* When the microcontroller detects the
		 * audio format, it will unmute the lines */
		cx25840_and_or(client, 0x803, ~0x10, 0x10);
	}

	set_audclk_freq(client, state->audclk_freq);
}
Example #3
0
static void set_balance(struct i2c_client *client, int balance)
{
	int bal = balance >> 8;
	if (bal > 0x80) {
		/* PATH1_BAL_LEFT */
		cx25840_and_or(client, 0x8d5, 0x7f, 0x80);
		/* PATH1_BAL_LEVEL */
		cx25840_and_or(client, 0x8d5, ~0x7f, bal & 0x7f);
	} else {
		/* PATH1_BAL_LEFT */
		cx25840_and_or(client, 0x8d5, 0x7f, 0x00);
		/* PATH1_BAL_LEVEL */
		cx25840_and_or(client, 0x8d5, ~0x7f, 0x80 - bal);
	}
}
Example #4
0
void cx25840_audio_set_path(struct i2c_client *client)
{
	struct cx25840_state *state = to_state(i2c_get_clientdata(client));

	if (!is_cx2583x(state)) {
		/* assert soft reset */
		cx25840_and_or(client, 0x810, ~0x1, 0x01);

		/* stop microcontroller */
		cx25840_and_or(client, 0x803, ~0x10, 0);

		/* Mute everything to prevent the PFFT! */
		cx25840_write(client, 0x8d3, 0x1f);

		if (state->aud_input == CX25840_AUDIO_SERIAL) {
			/* Set Path1 to Serial Audio Input */
			cx25840_write4(client, 0x8d0, 0x01011012);

			/* The microcontroller should not be started for the
			 * non-tuner inputs: autodetection is specific for
			 * TV audio. */
		} else {
			/* Set Path1 to Analog Demod Main Channel */
			cx25840_write4(client, 0x8d0, 0x1f063870);
		}
	}

	set_audclk_freq(client, state->audclk_freq);

	if (!is_cx2583x(state)) {
		if (state->aud_input != CX25840_AUDIO_SERIAL) {
			/* When the microcontroller detects the
			 * audio format, it will unmute the lines */
			cx25840_and_or(client, 0x803, ~0x10, 0x10);
		}

		/* deassert soft reset */
		cx25840_and_or(client, 0x810, ~0x1, 0x00);

		/* Ensure the controller is running when we exit */
		if (is_cx2388x(state) || is_cx231xx(state))
			cx25840_and_or(client, 0x803, ~0x10, 0x10);
	}
}
int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);
	struct cx25840_state *state = to_state(sd);
	int retval;

	if (!state->is_cx25836)
		cx25840_and_or(client, 0x810, ~0x1, 1);
	if (state->aud_input != CX25840_AUDIO_SERIAL) {
		cx25840_and_or(client, 0x803, ~0x10, 0);
		cx25840_write(client, 0x8d3, 0x1f);
	}
	retval = set_audclk_freq(client, freq);
	if (state->aud_input != CX25840_AUDIO_SERIAL)
		cx25840_and_or(client, 0x803, ~0x10, 0x10);
	if (!state->is_cx25836)
		cx25840_and_or(client, 0x810, ~0x1, 0);
	return retval;
}
static void set_mute(struct i2c_client *client, int mute)
{
	struct cx25840_state *state = i2c_get_clientdata(client);

	if (state->aud_input != CX25840_AUDIO_SERIAL) {
		/* Must turn off microcontroller in order to mute sound.
		 * Not sure if this is the best method, but it does work.
		 * If the microcontroller is running, then it will undo any
		 * changes to the mute register. */
		if (mute) {
			/* disable microcontroller */
			cx25840_and_or(client, 0x803, ~0x10, 0x00);
			cx25840_write(client, 0x8d3, 0x1f);
		} else {
			/* enable microcontroller */
			cx25840_and_or(client, 0x803, ~0x10, 0x10);
		}
	} else {
		/* SRC1_MUTE_EN */
		cx25840_and_or(client, 0x8d3, ~0x2, mute ? 0x02 : 0x00);
	}
}
Example #7
0
int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg)
{
	struct cx25840_state *state = i2c_get_clientdata(client);
	struct v4l2_control *ctrl = arg;
	int retval;

	switch (cmd) {
	case VIDIOC_INT_AUDIO_CLOCK_FREQ:
		if (!state->is_cx25836)
			cx25840_and_or(client, 0x810, ~0x1, 1);
		if (state->aud_input != CX25840_AUDIO_SERIAL) {
			cx25840_and_or(client, 0x803, ~0x10, 0);
			cx25840_write(client, 0x8d3, 0x1f);
		}
		retval = set_audclk_freq(client, *(u32 *)arg);
		if (state->aud_input != CX25840_AUDIO_SERIAL) {
			cx25840_and_or(client, 0x803, ~0x10, 0x10);
		}
		if (!state->is_cx25836)
			cx25840_and_or(client, 0x810, ~0x1, 0);
		return retval;

	case VIDIOC_G_CTRL:
		switch (ctrl->id) {
		case V4L2_CID_AUDIO_VOLUME:
			ctrl->value = get_volume(client);
			break;
		case V4L2_CID_AUDIO_BASS:
			ctrl->value = get_bass(client);
			break;
		case V4L2_CID_AUDIO_TREBLE:
			ctrl->value = get_treble(client);
			break;
		case V4L2_CID_AUDIO_BALANCE:
			ctrl->value = get_balance(client);
			break;
		case V4L2_CID_AUDIO_MUTE:
			ctrl->value = get_mute(client);
			break;
		default:
			return -EINVAL;
		}
		break;

	case VIDIOC_S_CTRL:
		switch (ctrl->id) {
		case V4L2_CID_AUDIO_VOLUME:
			set_volume(client, ctrl->value);
			break;
		case V4L2_CID_AUDIO_BASS:
			set_bass(client, ctrl->value);
			break;
		case V4L2_CID_AUDIO_TREBLE:
			set_treble(client, ctrl->value);
			break;
		case V4L2_CID_AUDIO_BALANCE:
			set_balance(client, ctrl->value);
			break;
		case V4L2_CID_AUDIO_MUTE:
			set_mute(client, ctrl->value);
			break;
		default:
			return -EINVAL;
		}
		break;

	default:
		return -EINVAL;
	}

	return 0;
}
Example #8
0
static void set_treble(struct i2c_client *client, int treble)
{
	/* PATH1_EQ_TREBLE_VOL */
	cx25840_and_or(client, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff));
}
Example #9
0
static void set_bass(struct i2c_client *client, int bass)
{
	/* PATH1_EQ_BASS_VOL */
	cx25840_and_or(client, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff));
}
Example #10
0
static int set_audclk_freq(struct i2c_client *client, u32 freq)
{
	struct cx25840_state *state = i2c_get_clientdata(client);

	if (freq != 32000 && freq != 44100 && freq != 48000)
		return -EINVAL;

	/* assert soft reset */
	cx25840_and_or(client, 0x810, ~0x1, 0x01);

	/* common for all inputs and rates */
	/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */
	cx25840_write(client, 0x127, 0x50);

	if (state->aud_input != CX25840_AUDIO_SERIAL) {
		switch (freq) {
		case 32000:
			/* VID_PLL and AUX_PLL */
			cx25840_write4(client, 0x108, 0x0f040610);

			/* AUX_PLL_FRAC */
			cx25840_write4(client, 0x110, 0xee39bb01);

			/* src3/4/6_ctl = 0x0801f77f */
			cx25840_write4(client, 0x900, 0x7ff70108);
			cx25840_write4(client, 0x904, 0x7ff70108);
			cx25840_write4(client, 0x90c, 0x7ff70108);
			break;

		case 44100:
			/* VID_PLL and AUX_PLL */
			cx25840_write4(client, 0x108, 0x0f040910);

			/* AUX_PLL_FRAC */
			cx25840_write4(client, 0x110, 0xd66bec00);

			/* src3/4/6_ctl = 0x08016d59 */
			cx25840_write4(client, 0x900, 0x596d0108);
			cx25840_write4(client, 0x904, 0x596d0108);
			cx25840_write4(client, 0x90c, 0x596d0108);
			break;

		case 48000:
			/* VID_PLL and AUX_PLL */
			cx25840_write4(client, 0x108, 0x0f040a10);

			/* AUX_PLL_FRAC */
			cx25840_write4(client, 0x110, 0xe5d69800);

			/* src3/4/6_ctl = 0x08014faa */
			cx25840_write4(client, 0x900, 0xaa4f0108);
			cx25840_write4(client, 0x904, 0xaa4f0108);
			cx25840_write4(client, 0x90c, 0xaa4f0108);
			break;
		}
	} else {
		switch (freq) {
		case 32000:
			/* VID_PLL and AUX_PLL */
			cx25840_write4(client, 0x108, 0x0f04081e);

			/* AUX_PLL_FRAC */
			cx25840_write4(client, 0x110, 0x69082a01);

			/* src1_ctl = 0x08010000 */
			cx25840_write4(client, 0x8f8, 0x00000108);

			/* src3/4/6_ctl = 0x08020000 */
			cx25840_write4(client, 0x900, 0x00000208);
			cx25840_write4(client, 0x904, 0x00000208);
			cx25840_write4(client, 0x90c, 0x00000208);

			/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x14 */
			cx25840_write(client, 0x127, 0x54);
			break;

		case 44100:
			/* VID_PLL and AUX_PLL */
			cx25840_write4(client, 0x108, 0x0f040918);

			/* AUX_PLL_FRAC */
			cx25840_write4(client, 0x110, 0xd66bec00);

			/* src1_ctl = 0x08010000 */
			cx25840_write4(client, 0x8f8, 0xcd600108);

			/* src3/4/6_ctl = 0x08020000 */
			cx25840_write4(client, 0x900, 0x85730108);
			cx25840_write4(client, 0x904, 0x85730108);
			cx25840_write4(client, 0x90c, 0x85730108);
			break;

		case 48000:
			/* VID_PLL and AUX_PLL */
			cx25840_write4(client, 0x108, 0x0f040a18);

			/* AUX_PLL_FRAC */
			cx25840_write4(client, 0x110, 0xe5d69800);

			/* src1_ctl = 0x08010000 */
			cx25840_write4(client, 0x8f8, 0x00800108);

			/* src3/4/6_ctl = 0x08020000 */
			cx25840_write4(client, 0x900, 0x55550108);
			cx25840_write4(client, 0x904, 0x55550108);
			cx25840_write4(client, 0x90c, 0x55550108);
			break;
		}
	}

	/* deassert soft reset */
	cx25840_and_or(client, 0x810, ~0x1, 0x00);

	state->audclk_freq = freq;

	return 0;
}