2005-11-14 07:07:56 +07:00
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/* cx25840 audio functions
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <linux/videodev2.h>
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#include <linux/i2c.h>
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#include <media/v4l2-common.h>
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2006-03-25 20:26:09 +07:00
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#include <media/cx25840.h>
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2005-11-14 07:07:56 +07:00
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2006-03-25 20:26:09 +07:00
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#include "cx25840-core.h"
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2005-11-14 07:07:56 +07:00
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2006-01-10 00:25:41 +07:00
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static int set_audclk_freq(struct i2c_client *client, u32 freq)
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2005-11-14 07:07:56 +07:00
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{
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2008-11-29 22:50:06 +07:00
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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2005-11-14 07:07:56 +07:00
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2006-01-10 00:25:41 +07:00
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if (freq != 32000 && freq != 44100 && freq != 48000)
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return -EINVAL;
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2005-11-14 07:07:56 +07:00
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/* common for all inputs and rates */
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/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx23885 && !state->is_cx231xx)
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2008-01-10 11:22:39 +07:00
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cx25840_write(client, 0x127, 0x50);
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2005-11-14 07:07:56 +07:00
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2006-01-10 00:25:42 +07:00
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if (state->aud_input != CX25840_AUDIO_SERIAL) {
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2005-11-14 07:07:56 +07:00
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switch (freq) {
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2006-01-10 00:25:41 +07:00
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case 32000:
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2008-01-10 11:22:39 +07:00
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if (state->is_cx23885) {
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/* We don't have register values
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* so avoid destroying registers. */
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break;
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}
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2005-11-14 07:07:56 +07:00
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx231xx) {
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/* VID_PLL and AUX_PLL */
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cx25840_write4(client, 0x108, 0x1006040f);
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/* AUX_PLL_FRAC */
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cx25840_write4(client, 0x110, 0x01bb39ee);
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}
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2005-11-14 07:07:56 +07:00
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2006-04-22 20:22:46 +07:00
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if (state->is_cx25836)
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break;
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2005-11-14 07:07:56 +07:00
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/* src3/4/6_ctl = 0x0801f77f */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x900, 0x0801f77f);
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cx25840_write4(client, 0x904, 0x0801f77f);
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cx25840_write4(client, 0x90c, 0x0801f77f);
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2005-11-14 07:07:56 +07:00
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break;
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2006-01-10 00:25:41 +07:00
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case 44100:
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2008-01-10 11:22:39 +07:00
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if (state->is_cx23885) {
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/* We don't have register values
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* so avoid destroying registers. */
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break;
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}
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2005-11-14 07:07:56 +07:00
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx231xx) {
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/* VID_PLL and AUX_PLL */
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cx25840_write4(client, 0x108, 0x1009040f);
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/* AUX_PLL_FRAC */
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cx25840_write4(client, 0x110, 0x00ec6bd6);
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}
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2005-11-14 07:07:56 +07:00
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2006-04-22 20:22:46 +07:00
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if (state->is_cx25836)
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break;
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2005-11-14 07:07:56 +07:00
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/* src3/4/6_ctl = 0x08016d59 */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x900, 0x08016d59);
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cx25840_write4(client, 0x904, 0x08016d59);
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cx25840_write4(client, 0x90c, 0x08016d59);
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2005-11-14 07:07:56 +07:00
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break;
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2006-01-10 00:25:41 +07:00
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case 48000:
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2008-01-10 11:22:39 +07:00
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if (state->is_cx23885) {
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/* We don't have register values
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* so avoid destroying registers. */
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break;
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}
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx231xx) {
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2005-11-14 07:07:56 +07:00
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/* VID_PLL and AUX_PLL */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x108, 0x100a040f);
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2005-11-14 07:07:56 +07:00
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/* AUX_PLL_FRAC */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x110, 0x0098d6e5);
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2009-03-03 16:07:42 +07:00
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}
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2005-11-14 07:07:56 +07:00
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2006-04-22 20:22:46 +07:00
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if (state->is_cx25836)
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break;
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2005-11-14 07:07:56 +07:00
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/* src3/4/6_ctl = 0x08014faa */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x900, 0x08014faa);
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cx25840_write4(client, 0x904, 0x08014faa);
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cx25840_write4(client, 0x90c, 0x08014faa);
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2005-11-14 07:07:56 +07:00
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break;
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}
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2006-01-10 00:25:42 +07:00
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} else {
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2005-11-14 07:07:56 +07:00
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switch (freq) {
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2006-01-10 00:25:41 +07:00
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case 32000:
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2008-01-10 11:22:39 +07:00
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if (state->is_cx23885) {
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/* We don't have register values
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* so avoid destroying registers. */
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break;
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}
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx231xx) {
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2005-11-14 07:07:56 +07:00
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/* VID_PLL and AUX_PLL */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x108, 0x1e08040f);
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2005-11-14 07:07:56 +07:00
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/* AUX_PLL_FRAC */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x110, 0x012a0869);
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2009-03-03 16:07:42 +07:00
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}
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2005-11-14 07:07:56 +07:00
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2006-04-22 20:22:46 +07:00
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if (state->is_cx25836)
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break;
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2005-11-14 07:07:56 +07:00
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/* src1_ctl = 0x08010000 */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x8f8, 0x08010000);
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2005-11-14 07:07:56 +07:00
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/* src3/4/6_ctl = 0x08020000 */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x900, 0x08020000);
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cx25840_write4(client, 0x904, 0x08020000);
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cx25840_write4(client, 0x90c, 0x08020000);
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2005-11-14 07:07:56 +07:00
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/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x14 */
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cx25840_write(client, 0x127, 0x54);
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break;
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2006-01-10 00:25:41 +07:00
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case 44100:
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2008-01-10 11:22:39 +07:00
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if (state->is_cx23885) {
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/* We don't have register values
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* so avoid destroying registers. */
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break;
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}
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx231xx) {
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2005-11-14 07:07:56 +07:00
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/* VID_PLL and AUX_PLL */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x108, 0x1809040f);
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2005-11-14 07:07:56 +07:00
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/* AUX_PLL_FRAC */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x110, 0x00ec6bd6);
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2009-03-03 16:07:42 +07:00
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}
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2005-11-14 07:07:56 +07:00
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2006-04-22 20:22:46 +07:00
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if (state->is_cx25836)
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break;
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2005-11-14 07:07:56 +07:00
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/* src1_ctl = 0x08010000 */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x8f8, 0x080160cd);
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2005-11-14 07:07:56 +07:00
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/* src3/4/6_ctl = 0x08020000 */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x900, 0x08017385);
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cx25840_write4(client, 0x904, 0x08017385);
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cx25840_write4(client, 0x90c, 0x08017385);
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2005-11-14 07:07:56 +07:00
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break;
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2006-01-10 00:25:41 +07:00
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case 48000:
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx23885 && !state->is_cx231xx) {
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2008-01-10 11:22:39 +07:00
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/* VID_PLL and AUX_PLL */
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cx25840_write4(client, 0x108, 0x180a040f);
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2005-11-14 07:07:56 +07:00
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2008-01-10 11:22:39 +07:00
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/* AUX_PLL_FRAC */
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cx25840_write4(client, 0x110, 0x0098d6e5);
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}
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2005-11-14 07:07:56 +07:00
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2006-04-22 20:22:46 +07:00
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if (state->is_cx25836)
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break;
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2009-03-03 16:07:42 +07:00
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if (!state->is_cx23885 && !state->is_cx231xx) {
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2008-01-10 11:22:39 +07:00
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/* src1_ctl */
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cx25840_write4(client, 0x8f8, 0x08018000);
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2005-11-14 07:07:56 +07:00
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2008-01-10 11:22:39 +07:00
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/* src3/4/6_ctl */
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cx25840_write4(client, 0x900, 0x08015555);
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cx25840_write4(client, 0x904, 0x08015555);
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cx25840_write4(client, 0x90c, 0x08015555);
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} else {
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cx25840_write4(client, 0x8f8, 0x0801867c);
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cx25840_write4(client, 0x900, 0x08014faa);
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cx25840_write4(client, 0x904, 0x08014faa);
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cx25840_write4(client, 0x90c, 0x08014faa);
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}
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2005-11-14 07:07:56 +07:00
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break;
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}
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}
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state->audclk_freq = freq;
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return 0;
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}
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2006-01-10 00:25:42 +07:00
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void cx25840_audio_set_path(struct i2c_client *client)
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2005-11-14 07:07:56 +07:00
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{
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2008-11-29 22:50:06 +07:00
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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2005-11-14 07:07:56 +07:00
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2007-08-07 17:16:07 +07:00
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/* assert soft reset */
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cx25840_and_or(client, 0x810, ~0x1, 0x01);
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2005-11-14 07:07:56 +07:00
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/* stop microcontroller */
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cx25840_and_or(client, 0x803, ~0x10, 0);
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/* Mute everything to prevent the PFFT! */
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cx25840_write(client, 0x8d3, 0x1f);
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2006-01-10 00:25:42 +07:00
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if (state->aud_input == CX25840_AUDIO_SERIAL) {
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2005-11-14 07:07:56 +07:00
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/* Set Path1 to Serial Audio Input */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x8d0, 0x01011012);
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2005-11-14 07:07:56 +07:00
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/* The microcontroller should not be started for the
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* non-tuner inputs: autodetection is specific for
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* TV audio. */
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2006-01-10 00:25:42 +07:00
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} else {
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/* Set Path1 to Analog Demod Main Channel */
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2007-12-02 17:03:45 +07:00
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cx25840_write4(client, 0x8d0, 0x1f063870);
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2006-04-29 22:11:18 +07:00
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}
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set_audclk_freq(client, state->audclk_freq);
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2005-11-14 07:07:56 +07:00
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2006-04-29 22:11:18 +07:00
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if (state->aud_input != CX25840_AUDIO_SERIAL) {
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2006-01-10 00:25:42 +07:00
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/* When the microcontroller detects the
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* audio format, it will unmute the lines */
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cx25840_and_or(client, 0x803, ~0x10, 0x10);
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2005-11-14 07:07:56 +07:00
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}
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2007-08-07 17:16:07 +07:00
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/* deassert soft reset */
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cx25840_and_or(client, 0x810, ~0x1, 0x00);
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2008-01-10 11:22:39 +07:00
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2009-03-03 16:07:42 +07:00
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if (state->is_cx23885 || state->is_cx231xx) {
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2008-01-10 11:22:39 +07:00
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/* Ensure the controller is running when we exit */
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cx25840_and_or(client, 0x803, ~0x10, 0x10);
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}
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2005-11-14 07:07:56 +07:00
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}
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2006-01-10 00:32:41 +07:00
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static int get_volume(struct i2c_client *client)
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2005-11-14 07:07:56 +07:00
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{
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2008-11-29 22:50:06 +07:00
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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2007-08-05 18:00:36 +07:00
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int vol;
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if (state->unmute_volume >= 0)
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return state->unmute_volume;
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|
2005-11-14 07:07:56 +07:00
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/* Volume runs +18dB to -96dB in 1/2dB steps
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* change to fit the msp3400 -114dB to +12dB range */
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/* check PATH1_VOLUME */
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2007-08-05 18:00:36 +07:00
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vol = 228 - cx25840_read(client, 0x8d4);
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2005-11-14 07:07:56 +07:00
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vol = (vol / 2) + 23;
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return vol << 9;
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}
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2006-01-10 00:32:41 +07:00
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static void set_volume(struct i2c_client *client, int volume)
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2005-11-14 07:07:56 +07:00
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{
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2008-11-29 22:50:06 +07:00
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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2007-08-05 18:00:36 +07:00
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int vol;
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if (state->unmute_volume >= 0) {
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state->unmute_volume = volume;
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|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Convert the volume to msp3400 values (0-127) */
|
|
|
|
vol = volume >> 9;
|
|
|
|
|
2005-11-14 07:07:56 +07:00
|
|
|
/* now scale it up to cx25840 values
|
|
|
|
* -114dB to -96dB maps to 0
|
|
|
|
* this should be 19, but in my testing that was 4dB too loud */
|
|
|
|
if (vol <= 23) {
|
|
|
|
vol = 0;
|
|
|
|
} else {
|
|
|
|
vol -= 23;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* PATH1_VOLUME */
|
|
|
|
cx25840_write(client, 0x8d4, 228 - (vol * 2));
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static int get_bass(struct i2c_client *client)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
|
|
|
/* bass is 49 steps +12dB to -12dB */
|
|
|
|
|
|
|
|
/* check PATH1_EQ_BASS_VOL */
|
|
|
|
int bass = cx25840_read(client, 0x8d9) & 0x3f;
|
|
|
|
bass = (((48 - bass) * 0xffff) + 47) / 48;
|
|
|
|
return bass;
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static void set_bass(struct i2c_client *client, int bass)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
|
|
|
/* PATH1_EQ_BASS_VOL */
|
|
|
|
cx25840_and_or(client, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff));
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static int get_treble(struct i2c_client *client)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
|
|
|
/* treble is 49 steps +12dB to -12dB */
|
|
|
|
|
|
|
|
/* check PATH1_EQ_TREBLE_VOL */
|
|
|
|
int treble = cx25840_read(client, 0x8db) & 0x3f;
|
|
|
|
treble = (((48 - treble) * 0xffff) + 47) / 48;
|
|
|
|
return treble;
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static void set_treble(struct i2c_client *client, int treble)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
|
|
|
/* PATH1_EQ_TREBLE_VOL */
|
|
|
|
cx25840_and_or(client, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff));
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static int get_balance(struct i2c_client *client)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
|
|
|
/* balance is 7 bit, 0 to -96dB */
|
|
|
|
|
|
|
|
/* check PATH1_BAL_LEVEL */
|
|
|
|
int balance = cx25840_read(client, 0x8d5) & 0x7f;
|
|
|
|
/* check PATH1_BAL_LEFT */
|
|
|
|
if ((cx25840_read(client, 0x8d5) & 0x80) == 0)
|
|
|
|
balance = 0x80 - balance;
|
|
|
|
else
|
|
|
|
balance = 0x80 + balance;
|
|
|
|
return balance << 8;
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static void set_balance(struct i2c_client *client, int balance)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static int get_mute(struct i2c_client *client)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
2008-11-29 22:50:06 +07:00
|
|
|
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
|
2007-08-05 18:00:36 +07:00
|
|
|
|
|
|
|
return state->unmute_volume >= 0;
|
2005-11-14 07:07:56 +07:00
|
|
|
}
|
|
|
|
|
2006-01-10 00:32:41 +07:00
|
|
|
static void set_mute(struct i2c_client *client, int mute)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
2008-11-29 22:50:06 +07:00
|
|
|
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
|
2005-11-14 07:07:56 +07:00
|
|
|
|
2007-08-05 18:00:36 +07:00
|
|
|
if (mute && state->unmute_volume == -1) {
|
|
|
|
int vol = get_volume(client);
|
|
|
|
|
|
|
|
set_volume(client, 0);
|
|
|
|
state->unmute_volume = vol;
|
|
|
|
}
|
|
|
|
else if (!mute && state->unmute_volume != -1) {
|
|
|
|
int vol = state->unmute_volume;
|
|
|
|
|
|
|
|
state->unmute_volume = -1;
|
|
|
|
set_volume(client, vol);
|
2005-11-14 07:07:56 +07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-03-30 16:26:40 +07:00
|
|
|
int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
|
2005-11-14 07:07:56 +07:00
|
|
|
{
|
2009-03-30 16:26:40 +07:00
|
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
struct cx25840_state *state = to_state(sd);
|
2006-04-29 22:11:18 +07:00
|
|
|
int retval;
|
2005-11-14 07:07:56 +07:00
|
|
|
|
2009-03-30 16:26:40 +07:00
|
|
|
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;
|
|
|
|
}
|
2006-01-10 00:25:42 +07:00
|
|
|
|
2009-03-30 16:26:40 +07:00
|
|
|
int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
|
|
|
|
{
|
|
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
2006-01-10 00:25:42 +07:00
|
|
|
|
2009-03-30 16:26:40 +07:00
|
|
|
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;
|
2005-11-14 07:07:56 +07:00
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2009-03-30 16:26:40 +07:00
|
|
|
return 0;
|
|
|
|
}
|
2005-11-14 07:07:56 +07:00
|
|
|
|
2009-03-30 16:26:40 +07:00
|
|
|
int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
|
|
|
|
{
|
|
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
2005-11-14 07:07:56 +07:00
|
|
|
return 0;
|
|
|
|
}
|