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authorMarcoen Hirschberg <marcoen@gmail.com>2007-04-19 10:46:50 +0000
committerMarcoen Hirschberg <marcoen@gmail.com>2007-04-19 10:46:50 +0000
commit15dfe87f9606a191707d5c7b3b33b21963510f53 (patch)
tree5c31520b84dc60aff6997eac6a7e8b4b3ec1127e /firmware/drivers/wm8731l.c
parentf725ef12565a65d46ff2f9bd34eb3e19da7b763e (diff)
downloadrockbox-15dfe87f9606a191707d5c7b3b33b21963510f53.tar.gz
rockbox-15dfe87f9606a191707d5c7b3b33b21963510f53.zip
move audio drivers together into a subdir
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13209 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers/wm8731l.c')
-rw-r--r--firmware/drivers/wm8731l.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/firmware/drivers/wm8731l.c b/firmware/drivers/wm8731l.c
deleted file mode 100644
index 62b1b6a81e..0000000000
--- a/firmware/drivers/wm8731l.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id$
- *
- * Driver for WM8731L audio codec
- *
- * Based on code from the ipodlinux project - http://ipodlinux.org/
- * Adapted for Rockbox in January 2006
- *
- * Original file: linux/arch/armnommu/mach-ipod/audio.c
- *
- * Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org)
- *
- * All files in this archive are subject to the GNU General Public License.
- * See the file COPYING in the source tree root for full license agreement.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-#include "lcd.h"
-#include "cpu.h"
-#include "kernel.h"
-#include "thread.h"
-#include "power.h"
-#include "debug.h"
-#include "system.h"
-#include "sprintf.h"
-#include "button.h"
-#include "string.h"
-#include "file.h"
-#include "buffer.h"
-#include "audio.h"
-
-#include "wmcodec.h"
-#include "wm8731l.h"
-#include "i2s.h"
-
-#define IPOD_PCM_LEVEL 0x65 /* -6dB */
-
-/* use zero crossing to reduce clicks during volume changes */
-#define VOLUME_ZC_WAIT (1<<7)
-
-/* convert tenth of dB volume (-730..60) to master volume register value */
-int tenthdb2master(int db)
-{
- /* +6 to -73dB 1dB steps (plus mute == 80levels) 7bits */
- /* 1111111 == +6dB (0x7f) */
- /* 1111001 == 0dB (0x79) */
- /* 0110000 == -73dB (0x30 */
- /* 0101111 == mute (0x2f) */
-
- if (db < VOLUME_MIN) {
- return 0x2f;
- } else {
- return((db/10)+0x30+73);
- }
-}
-
-/* convert tenth of dB volume (-780..0) to mixer volume register value */
-int tenthdb2mixer(int db)
-{
- if (db < -660) /* 1.5 dB steps */
- return (2640 - db) / 15;
- else if (db < -600) /* 0.75 dB steps */
- return (990 - db) * 2 / 15;
- else if (db < -460) /* 0.5 dB steps */
- return (460 - db) / 5;
- else /* 0.25 dB steps */
- return -db * 2 / 5;
-}
-
-int audiohw_mute(int mute)
-{
- if (mute)
- {
- /* Set DACMU = 1 to soft-mute the audio DACs. */
- wmcodec_write(DACCTRL, 0x8);
- } else {
- /* Set DACMU = 0 to soft-un-mute the audio DACs. */
- wmcodec_write(DACCTRL, 0x0);
- }
-
- return 0;
-}
-
-/** From ipodLinux **/
-static void codec_set_active(int active)
-{
- /* set active to 0x0 or 0x1 */
- if (active) {
- wmcodec_write(ACTIVECTRL, 0x01);
- } else {
- wmcodec_write(ACTIVECTRL, 0x00);
- }
-}
-
-
-/* Silently enable / disable audio output */
-void audiohw_enable_output(bool enable)
-{
- if (enable)
- {
- /* reset the I2S controller into known state */
- i2s_reset();
-
- wmcodec_write(RESET, 0x0); /*Reset*/
-
- codec_set_active(0x0);
-
-#ifdef HAVE_WM8721
- /* DACSEL=1 */
- wmcodec_write(0x4, 0x10);
-#elif defined HAVE_WM8731
- /* DACSEL=1, BYPASS=1 */
- wmcodec_write(0x4, 0x18);
-#endif
-
- /* set power register to POWEROFF=0 on OUTPD=0, DACPD=0 */
- wmcodec_write(PWRMGMT, 0x67);
-
- /* BCLKINV=0(Dont invert BCLK) MS=1(Enable Master) LRSWAP=0 LRP=0 */
- /* IWL=00(16 bit) FORMAT=10(I2S format) */
- wmcodec_write(AINTFCE, 0x42);
-
- audiohw_set_sample_rate(WM8731L_44100HZ);
-
- /* set the volume to -6dB */
- wmcodec_write(LOUTVOL, IPOD_PCM_LEVEL);
- wmcodec_write(ROUTVOL, 0x100 | IPOD_PCM_LEVEL);
-
- /* ACTIVE=1 */
- codec_set_active(1);
-
- /* 5. Set DACMU = 0 to soft-un-mute the audio DACs. */
- wmcodec_write(DACCTRL, 0x0);
-
-#if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
- /* We need to enable bit 4 of GPIOL for output for sound on H10 */
- GPIOL_OUTPUT_VAL |= 0x10;
-#endif
- audiohw_mute(0);
- } else {
-#if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
- /* We need to disable bit 4 of GPIOL to disable sound on H10 */
- GPIOL_OUTPUT_VAL &= ~0x10;
-#endif
- audiohw_mute(1);
- }
-}
-
-int audiohw_set_master_vol(int vol_l, int vol_r)
-{
- /* +6 to -73dB 1dB steps (plus mute == 80levels) 7bits */
- /* 1111111 == +6dB */
- /* 1111001 == 0dB */
- /* 0110000 == -73dB */
- /* 0101111 == mute (0x2f) */
-
- wmcodec_write(LOUTVOL, VOLUME_ZC_WAIT | vol_l);
- wmcodec_write(ROUTVOL, VOLUME_ZC_WAIT | vol_r);
-
- return 0;
-}
-
-int audiohw_set_mixer_vol(int channel1, int channel2)
-{
- (void)channel1;
- (void)channel2;
-
- return 0;
-}
-
-void audiohw_set_bass(int value)
-{
- (void)value;
-}
-
-void audiohw_set_treble(int value)
-{
- (void)value;
-}
-
-/* Nice shutdown of WM8731 codec */
-void audiohw_close(void)
-{
- /* set DACMU=1 DEEMPH=0 */
- wmcodec_write(DACCTRL, 0x8);
-
- /* ACTIVE=0 */
- codec_set_active(0x0);
-
- /* line in mute left & right*/
- wmcodec_write(LINVOL, 0x100 | 0x80);
-
- /* set DACSEL=0, MUTEMIC=1 */
- wmcodec_write(0x4, 0x2);
-
- /* set POWEROFF=0 OUTPD=0 DACPD=1 */
- wmcodec_write(PWRMGMT, 0x6f);
-
- /* set POWEROFF=1 OUTPD=1 DACPD=1 */
- wmcodec_write(PWRMGMT, 0xff);
-}
-
-/* Change the order of the noise shaper, 5th order is recommended above 32kHz */
-void audiohw_set_nsorder(int order)
-{
- (void)order;
-}
-
-void audiohw_set_sample_rate(int sampling_control)
-{
- codec_set_active(0x0);
- wmcodec_write(SAMPCTRL, sampling_control);
- codec_set_active(0x1);
-}
-
-void audiohw_enable_recording(bool source_mic)
-{
- static int line_level = 0x17;
- static int mic_boost = true;
- codec_set_active(0x0);
-
- /* set BCLKINV=0(Dont invert BCLK) MS=1(Enable Master) LRSWAP=0
- * LRP=0 IWL=00(16 bit) FORMAT=10(I2S format) */
- wmcodec_write(AINTFCE, 0x42);
-
- wmcodec_write(LOUTVOL, 0x0); /* headphone mute left */
- wmcodec_write(ROUTVOL, 0x0); /* headphone mute right */
-
-
- if(source_mic){
- wmcodec_write(LINVOL, 0x80); /* line in mute left */
- wmcodec_write(RINVOL, 0x80); /* line in mute right */
-
-
- if (mic_boost) {
- wmcodec_write(AAPCTRL, 0x5); /* INSEL=mic, MIC_BOOST=enable */
- } else {
- wmcodec_write(AAPCTRL, 0x4); /* INSEL=mic */
- }
- } else {
- if (line_level == 0) {
- wmcodec_write(LINVOL, 0x80);
- wmcodec_write(RINVOL, 0x80);
- } else {
- wmcodec_write(LINVOL, line_level);
- wmcodec_write(RINVOL, line_level);
- }
- wmcodec_write(AAPCTRL, 0xa); /* BY PASS, mute mic, INSEL=line in */
- }
-
- /* disable ADC high pass filter, mute dac */
- wmcodec_write(DACCTRL, 0x9);
-
- /* power on (PWR_OFF=0) */
- if(source_mic){
- /* CLKOUTPD OSCPD OUTPD DACPD LINEINPD */
- wmcodec_write(PWRMGMT, 0x79);
- } else {
- wmcodec_write(PWRMGMT, 0x7a); /* MICPD */
- }
-
- codec_set_active(0x1);
-}
-
-void audiohw_disable_recording(void)
-{
- /* set DACMU=1 DEEMPH=0 */
- wmcodec_write(DACCTRL, 0x8);
-
- /* ACTIVE=0 */
- codec_set_active(0x0);
-
- /* line in mute left & right*/
- wmcodec_write(LINVOL, 0x80);
- wmcodec_write(RINVOL, 0x80);
-
- /* set DACSEL=0, MUTEMIC=1 */
- wmcodec_write(AAPCTRL, 0x2);
-
- /* set POWEROFF=0 OUTPD=0 DACPD=1 */
- wmcodec_write(PWRMGMT, 0x6f);
-
- /* set POWEROFF=1 OUTPD=1 DACPD=1 */
- wmcodec_write(PWRMGMT, 0xff);
-}
-
-void audiohw_set_recvol(int left, int right, int type)
-{
- (void)left;
- (void)right;
- (void)type;
-}
-
-void audiohw_set_monitor(int enable)
-{
- (void)enable;
-}