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author | Aidan MacDonald <amachronic@protonmail.com> | 2021-05-31 01:26:26 +0100 |
---|---|---|
committer | Aidan MacDonald <amachronic@protonmail.com> | 2021-05-31 23:00:14 +0100 |
commit | 663c5268ace48cc4be03b4c43355038f06d4b3c5 (patch) | |
tree | 192b2189580357cc2f886bd248c99572b8a21cda /firmware/target/mips | |
parent | f63edb52ef8ecf18520926b40b3c61db37081a9d (diff) | |
download | rockbox-663c5268ace48cc4be03b4c43355038f06d4b3c5.tar.gz rockbox-663c5268ace48cc4be03b4c43355038f06d4b3c5.zip |
AK4376 driver: refactoring
Some audiohw API calls are shared between playback and recording,
eg. frequency settings. Implementing these in the DAC driver won't
work for the M3K, as it uses a separate codec for microphone input.
Change-Id: Ieb0a267f8a81b9e2bbf0bbca951c5778f8dcd203
Diffstat (limited to 'firmware/target/mips')
-rw-r--r-- | firmware/target/mips/ingenic_x1000/fiiom3k/audiohw-fiiom3k.c | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/firmware/target/mips/ingenic_x1000/fiiom3k/audiohw-fiiom3k.c b/firmware/target/mips/ingenic_x1000/fiiom3k/audiohw-fiiom3k.c index d1c4d67d33..542d1745dc 100644 --- a/firmware/target/mips/ingenic_x1000/fiiom3k/audiohw-fiiom3k.c +++ b/firmware/target/mips/ingenic_x1000/fiiom3k/audiohw-fiiom3k.c | |||
@@ -22,10 +22,24 @@ | |||
22 | #include "audiohw.h" | 22 | #include "audiohw.h" |
23 | #include "system.h" | 23 | #include "system.h" |
24 | #include "pcm_sampr.h" | 24 | #include "pcm_sampr.h" |
25 | #include "logf.h" | ||
26 | #include "aic-x1000.h" | 25 | #include "aic-x1000.h" |
27 | #include "i2c-x1000.h" | 26 | #include "i2c-x1000.h" |
28 | #include "gpio-x1000.h" | 27 | #include "gpio-x1000.h" |
28 | #include "logf.h" | ||
29 | |||
30 | static int cur_fsel = HW_FREQ_48; | ||
31 | static int cur_power_mode = 0; | ||
32 | |||
33 | static void set_ak_freqmode(void) | ||
34 | { | ||
35 | int freq = hw_freq_sampr[cur_fsel]; | ||
36 | int mult = freq >= SAMPR_176 ? 128 : 256; | ||
37 | |||
38 | aic_enable_i2s_bit_clock(false); | ||
39 | aic_set_i2s_clock(X1000_CLK_SCLK_A, freq, mult); | ||
40 | ak4376_set_freqmode(cur_fsel, mult, cur_power_mode); | ||
41 | aic_enable_i2s_bit_clock(true); | ||
42 | } | ||
29 | 43 | ||
30 | void audiohw_init(void) | 44 | void audiohw_init(void) |
31 | { | 45 | { |
@@ -36,7 +50,8 @@ void audiohw_init(void) | |||
36 | 50 | ||
37 | /* Initialize DAC */ | 51 | /* Initialize DAC */ |
38 | i2c_x1000_set_freq(AK4376_BUS, I2C_FREQ_400K); | 52 | i2c_x1000_set_freq(AK4376_BUS, I2C_FREQ_400K); |
39 | ak4376_init(); | 53 | ak4376_open(); |
54 | set_ak_freqmode(); | ||
40 | } | 55 | } |
41 | 56 | ||
42 | void audiohw_postinit(void) | 57 | void audiohw_postinit(void) |
@@ -48,22 +63,29 @@ void audiohw_close(void) | |||
48 | ak4376_close(); | 63 | ak4376_close(); |
49 | } | 64 | } |
50 | 65 | ||
51 | void ak4376_set_pdn_pin(int level) | 66 | void audiohw_set_volume(int vol_l, int vol_r) |
52 | { | 67 | { |
53 | gpio_config(GPIO_A, 1 << 16, GPIO_OUTPUT(level ? 1 : 0)); | 68 | ak4376_set_volume(vol_l, vol_r); |
54 | } | 69 | } |
55 | 70 | ||
56 | int ak4376_set_mclk_freq(int hw_freq, bool enabled) | 71 | void audiohw_set_filter_roll_off(int val) |
57 | { | 72 | { |
58 | int freq = hw_freq_sampr[hw_freq]; | 73 | ak4376_set_filter_roll_off(val); |
59 | int mult = freq >= SAMPR_176 ? 128 : 256; | 74 | } |
75 | |||
76 | void audiohw_set_frequency(int fsel) | ||
77 | { | ||
78 | cur_fsel = fsel; | ||
79 | set_ak_freqmode(); | ||
80 | } | ||
60 | 81 | ||
61 | if(enabled) { | 82 | void audiohw_set_power_mode(int mode) |
62 | if(aic_set_i2s_clock(X1000_CLK_SCLK_A, freq, mult)) { | 83 | { |
63 | logf("WARNING: unachievable audio rate %d x %d!?", freq, mult); | 84 | cur_power_mode = mode; |
64 | } | 85 | set_ak_freqmode(); |
65 | } | 86 | } |
66 | 87 | ||
67 | aic_enable_i2s_bit_clock(enabled); | 88 | void ak4376_set_pdn_pin(int level) |
68 | return mult; | 89 | { |
90 | gpio_config(GPIO_A, 1 << 16, GPIO_OUTPUT(level ? 1 : 0)); | ||
69 | } | 91 | } |