diff options
Diffstat (limited to 'firmware/drivers/audio')
-rw-r--r-- | firmware/drivers/audio/eros_qn_codec.c | 50 | ||||
-rw-r--r-- | firmware/drivers/audio/es9018.c | 4 | ||||
-rw-r--r-- | firmware/drivers/audio/es9018k2m.c | 119 |
3 files changed, 133 insertions, 40 deletions
diff --git a/firmware/drivers/audio/eros_qn_codec.c b/firmware/drivers/audio/eros_qn_codec.c index 39a421ee92..095b3b5305 100644 --- a/firmware/drivers/audio/eros_qn_codec.c +++ b/firmware/drivers/audio/eros_qn_codec.c | |||
@@ -26,56 +26,30 @@ | |||
26 | #include "audiohw.h" | 26 | #include "audiohw.h" |
27 | #include "settings.h" | 27 | #include "settings.h" |
28 | #include "pcm_sw_volume.h" | 28 | #include "pcm_sw_volume.h" |
29 | #include "gpio-x1000.h" | ||
30 | 29 | ||
31 | static long int vol_l_hw = 0; | 30 | #include "gpio-x1000.h" |
32 | static long int vol_r_hw = 0; | ||
33 | 31 | ||
34 | /* internal: Switch the output sink. 0 - headphones, 1 - line out */ | 32 | static long int vol_l_hw = PCM5102A_VOLUME_MIN; |
35 | void audiohw_switch_output(int select); | 33 | static long int vol_r_hw = PCM5102A_VOLUME_MIN; |
34 | int es9018k2m_present_flag = 0; | ||
36 | 35 | ||
37 | void dac_set_outputs(void) | 36 | void eros_qn_set_outputs(void) |
38 | { | 37 | { |
39 | audiohw_set_volume(vol_l_hw, vol_r_hw); | 38 | audiohw_set_volume(vol_l_hw, vol_r_hw); |
40 | } | 39 | } |
41 | 40 | ||
42 | /* this makes less sense here than it does in the audiohw-*.c file, | 41 | void eros_qn_set_last_vol(long int vol_l, long int vol_r) |
43 | * but we need access to settings.h */ | ||
44 | void audiohw_set_volume(int vol_l, int vol_r) | ||
45 | { | 42 | { |
46 | int l, r; | ||
47 | |||
48 | vol_l_hw = vol_l; | 43 | vol_l_hw = vol_l; |
49 | vol_r_hw = vol_r; | 44 | vol_r_hw = vol_r; |
45 | } | ||
50 | 46 | ||
51 | l = vol_l; | 47 | int eros_qn_get_volume_limit(void) |
52 | r = vol_r; | 48 | { |
53 | 49 | return (global_settings.volume_limit * 10); | |
54 | #if (defined(HAVE_HEADPHONE_DETECTION) && defined(HAVE_LINEOUT_DETECTION)) | ||
55 | /* make sure headphones aren't present - don't want to | ||
56 | * blow out our eardrums cranking it to full */ | ||
57 | if (lineout_inserted() && !headphones_inserted()) | ||
58 | { | ||
59 | audiohw_switch_output(1); | ||
60 | |||
61 | l = r = global_settings.volume_limit * 10; | ||
62 | } | ||
63 | else | ||
64 | { | ||
65 | audiohw_switch_output(0); | ||
66 | |||
67 | l = vol_l; | ||
68 | r = vol_r; | ||
69 | } | ||
70 | #endif | ||
71 | |||
72 | l = l <= PCM5102A_VOLUME_MIN ? PCM_MUTE_LEVEL : (l / 20); | ||
73 | r = r <= PCM5102A_VOLUME_MIN ? PCM_MUTE_LEVEL : (r / 20); | ||
74 | |||
75 | pcm_set_master_volume(l, r); | ||
76 | } | 50 | } |
77 | 51 | ||
78 | void audiohw_switch_output(int select) | 52 | void eros_qn_switch_output(int select) |
79 | { | 53 | { |
80 | if (select == 0) | 54 | if (select == 0) |
81 | { | 55 | { |
@@ -85,4 +59,4 @@ void audiohw_switch_output(int select) | |||
85 | { | 59 | { |
86 | gpio_set_level(GPIO_STEREOSW_SEL, 1); | 60 | gpio_set_level(GPIO_STEREOSW_SEL, 1); |
87 | } | 61 | } |
88 | } | 62 | } \ No newline at end of file |
diff --git a/firmware/drivers/audio/es9018.c b/firmware/drivers/audio/es9018.c index 89e8c1d46f..6a73f7a2d3 100644 --- a/firmware/drivers/audio/es9018.c +++ b/firmware/drivers/audio/es9018.c | |||
@@ -25,8 +25,8 @@ | |||
25 | #include "audio.h" | 25 | #include "audio.h" |
26 | #include "audiohw.h" | 26 | #include "audiohw.h" |
27 | 27 | ||
28 | /* NOTE: The register names are not known, as the register numbering | 28 | /* NOTE: This implementation is specifically for the ES9018K2M, which has a different register |
29 | listed in the ES9018 datasheet does not match what is described below.. */ | 29 | * structure from the ES9018. */ |
30 | 30 | ||
31 | static uint8_t reg0 = 0x00; /* System settings. Default value of register 0 */ | 31 | static uint8_t reg0 = 0x00; /* System settings. Default value of register 0 */ |
32 | static uint8_t reg1 = 0x80; /* Input settings. Manual input, I2S, 32-bit (?) */ | 32 | static uint8_t reg1 = 0x80; /* Input settings. Manual input, I2S, 32-bit (?) */ |
diff --git a/firmware/drivers/audio/es9018k2m.c b/firmware/drivers/audio/es9018k2m.c new file mode 100644 index 0000000000..e19cf6e8a9 --- /dev/null +++ b/firmware/drivers/audio/es9018k2m.c | |||
@@ -0,0 +1,119 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * | ||
11 | * Copyright (c) 2023 Dana Conrad | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU General Public License | ||
15 | * as published by the Free Software Foundation; either version 2 | ||
16 | * of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
19 | * KIND, either express or implied. | ||
20 | * | ||
21 | ****************************************************************************/ | ||
22 | |||
23 | #include "system.h" | ||
24 | #include "es9018k2m.h" | ||
25 | #include "i2c-async.h" | ||
26 | #include "action.h" | ||
27 | |||
28 | //====================================================================================== | ||
29 | // ES9018K2M support stuff | ||
30 | |||
31 | #ifndef ES9018K2M_BUS | ||
32 | # error "No definition for ES9018K2M I2C bus!" | ||
33 | #endif | ||
34 | |||
35 | #ifndef ES9018K2M_ADDR | ||
36 | # error "No definition for ES9018K2M I2C address!" | ||
37 | #endif | ||
38 | |||
39 | static int vol_tenthdb2hw(const int tdb) | ||
40 | { | ||
41 | if (tdb < ES9018K2M_VOLUME_MIN) { | ||
42 | return 0xff; | ||
43 | } else if (tdb > ES9018K2M_VOLUME_MAX) { | ||
44 | return 0x00; | ||
45 | } else { | ||
46 | return (-tdb/5); | ||
47 | } | ||
48 | } | ||
49 | |||
50 | /* NOTE: This implementation is for the ES9018K2M specifically. */ | ||
51 | /* Register defaults from the datasheet. */ | ||
52 | /* These are basically just for reference. All defaults work out for us. | ||
53 | * static uint8_t reg0_system_settings = 0x00; // System settings. Default value of register 0 | ||
54 | * static uint8_t reg1_input_configuration = 0x8C; // Input settings. I2S input, 32-bit | ||
55 | * static uint8_t reg4_automute_time = 0x00; // Automute time. Default = disabled | ||
56 | * static uint8_t reg5_automute_level = 0x68; // Automute level. Default is some level | ||
57 | * static uint8_t reg6_deemphasis = 0x4A; // Deemphasis. Default = disabled | ||
58 | * static uint8_t reg7_general_settings = 0x80; // General settings. Default sharp fir, pcm iir and unmuted | ||
59 | * static uint8_t reg8_gpio_configuration = 0x10; // GPIO configuration | ||
60 | * static uint8_t reg10_master_mode_control = 0x05; // Master Mode Control. Default value: master mode off | ||
61 | * static uint8_t reg11_channel_mapping = 0x02; // Channel Mapping. Default stereo is Ch1=left, Ch2=right | ||
62 | * static uint8_t reg12_dpll_settings = 0x5A; // DPLL Settings. Default = 5 for I2S, A for DSD | ||
63 | * static uint8_t reg13_thd_comp = 0x40; // THD Compensation | ||
64 | * static uint8_t reg14_softstart_settings = 0x8A; // Soft Start Settings | ||
65 | * static uint8_t reg21_gpio_input_selection = 0x00; // Oversampling filter. Default: oversampling ON | ||
66 | */ | ||
67 | |||
68 | static uint8_t vol_reg_l = ES9018K2M_REG15_VOLUME_L; | ||
69 | static uint8_t reg15_vol_l = 0; | ||
70 | i2c_descriptor vol_desc_l = { | ||
71 | .slave_addr = ES9018K2M_ADDR, | ||
72 | .bus_cond = I2C_START | I2C_STOP, | ||
73 | .tran_mode = I2C_WRITE, | ||
74 | .buffer[0] = &vol_reg_l, | ||
75 | .count[0] = 1, | ||
76 | .buffer[1] = ®15_vol_l, | ||
77 | .count[1] = 1, | ||
78 | .callback = NULL, | ||
79 | .arg = 0, | ||
80 | .next = NULL, | ||
81 | }; | ||
82 | |||
83 | static uint8_t vol_reg_r = ES9018K2M_REG16_VOLUME_R; | ||
84 | static uint8_t reg16_vol_r = 0; | ||
85 | i2c_descriptor vol_desc_r = { | ||
86 | .slave_addr = ES9018K2M_ADDR, | ||
87 | .bus_cond = I2C_START | I2C_STOP, | ||
88 | .tran_mode = I2C_WRITE, | ||
89 | .buffer[0] = &vol_reg_r, | ||
90 | .count[0] = 1, | ||
91 | .buffer[1] = ®16_vol_r, | ||
92 | .count[1] = 1, | ||
93 | .callback = NULL, | ||
94 | .arg = 0, | ||
95 | .next = NULL, | ||
96 | }; | ||
97 | |||
98 | void es9018k2m_set_volume(int vol_l, int vol_r) | ||
99 | { | ||
100 | /* Queue writes to the DAC's volume. | ||
101 | * Note that this needs to be done asynchronously. From testing, calling | ||
102 | * synchronous writes from HP/LO detect causes hangs. */ | ||
103 | reg15_vol_l = vol_tenthdb2hw(vol_l); | ||
104 | reg16_vol_r = vol_tenthdb2hw(vol_r); | ||
105 | i2c_async_queue(ES9018K2M_BUS, TIMEOUT_NOBLOCK, I2C_Q_ADD, 0, &vol_desc_l); | ||
106 | i2c_async_queue(ES9018K2M_BUS, TIMEOUT_NOBLOCK, I2C_Q_ADD, 0, &vol_desc_r); | ||
107 | } | ||
108 | |||
109 | /* returns I2C_STATUS_OK upon success, I2C_STATUS_* errors upon error */ | ||
110 | int es9018k2m_write_reg(uint8_t reg, uint8_t val) | ||
111 | { | ||
112 | return i2c_reg_write1(ES9018K2M_BUS, ES9018K2M_ADDR, reg, val); | ||
113 | } | ||
114 | |||
115 | /* returns register value, or -1 upon error */ | ||
116 | int es9018k2m_read_reg(uint8_t reg) | ||
117 | { | ||
118 | return i2c_reg_read1(ES9018K2M_BUS, ES9018K2M_ADDR, reg); | ||
119 | } \ No newline at end of file | ||