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Improvements to mini2440/UDA1341 audio

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23478 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bob Cousins 2009-11-01 22:58:08 +00:00
parent 5d40b9a24a
commit 33040275cf
3 changed files with 109 additions and 17 deletions
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35
firmware/export/uda1341.h
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@ -26,7 +26,7 @@
#define VOLUME_MIN -840
#define VOLUME_MAX 0
#define AUDIOHW_CAPS (BASS_CAP | TREBLE_CAP | PRESCALER_CAP)
#define AUDIOHW_CAPS (BASS_CAP | TREBLE_CAP)
extern int tenthdb2master(int db);
extern int tenthdb2mixer(int db);
@ -34,6 +34,23 @@ extern int tenthdb2mixer(int db);
extern void audiohw_set_master_vol(int vol_l, int vol_r);
extern void audiohw_set_mixer_vol(int channel1, int channel2);
/* These are logical register numbers for driver */
enum uda_register {
UDA_REG_ID_STATUS_0,
UDA_REG_ID_STATUS_1,
UDA_REG_ID_CTRL0,
UDA_REG_ID_CTRL1,
UDA_REG_ID_CTRL2,
UDA_REG_ID_EXT_0,
UDA_REG_ID_EXT_1,
UDA_REG_ID_EXT_2,
UDA_REG_ID_EXT_4,
UDA_REG_ID_EXT_5,
UDA_REG_ID_EXT_6,
NUM_REG_ID
};
/* Address byte */
#define UDA1341_ADDR 0x14
#define UDA_REG_DATA0 0x00
@ -67,23 +84,27 @@ extern void audiohw_set_mixer_vol(int channel1, int channel2);
#define UDA_POWER_DAC_ON (1 << 0)
/* DATA0 */
#define UDA_DATA_CTRL0 (0 << 6)
#define UDA_DATA_CTRL1 (1 << 6)
#define UDA_DATA_CTRL2 (2 << 6)
#define UDA_DATA_CTRL0 (0 << 6) /* volume */
#define UDA_DATA_CTRL1 (1 << 6) /* bass, treble */
#define UDA_DATA_CTRL2 (2 << 6) /* peak det pos, de-emp, mute */
#define UDA_DATA_EXT_ADDR (6 << 5)
#define UDA_DATA_EXT_DATA (7 << 5)
#define UDA_VOLUME(x) ((x) << 8) /* 1=0dB, 61=-60dB */
#define UDA_VOLUME(x) ((x) << 0) /* 1=0dB, 61=-60dB */
#define UDA_BASS_BOOST(x) ((x) << 2) /* see datasheet */
#define UDA_BASS_BOOST_MASK 0x0F
#define UDA_TREBLE(x) ((x) << 0) /* see datasheet */
#define UDA_TREBLE_MASK 0x03
#define UDA_PEAK_DETECT_POS (1 << 5)
#define UDA_PEAK_DETECT_POS_BEFORE (0 << 5)
#define UDA_PEAK_DETECT_POS_AFTER (1 << 5)
#define UDA_DE_EMPHASIS_NONE (0 << 3)
#define UDA_DE_EMPHASIS_32 (1 << 3)
#define UDA_DE_EMPHASIS_44_1 (2 << 3)
#define UDA_DE_EMPHASIS_48 (3 << 3)
#define UDA_MUTE (1 << 2)
#define UDA_MUTE_ON (1 << 2)
#define UDA_MUTE_OFF (0 << 2)
#define UDA_MODE_SWITCH_FLAT (0 << 0)
#define UDA_MODE_SWITCH_MIN (1 << 0)
#define UDA_MODE_SWITCH_MAX (3 << 0)