1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * CS42L43 CODEC driver internal data |
4 | * |
5 | * Copyright (C) 2022-2023 Cirrus Logic, Inc. and |
6 | * Cirrus Logic International Semiconductor Ltd. |
7 | */ |
8 | |
9 | #ifndef CS42L43_ASOC_INT_H |
10 | #define CS42L43_ASOC_INT_H |
11 | |
12 | #include <linux/completion.h> |
13 | #include <linux/mutex.h> |
14 | #include <linux/types.h> |
15 | #include <linux/workqueue.h> |
16 | #include <sound/pcm.h> |
17 | |
18 | #define CS42L43_INTERNAL_SYSCLK 24576000 |
19 | #define CS42L43_DEFAULT_SLOTS 0x3F |
20 | |
21 | #define CS42L43_PLL_TIMEOUT_MS 200 |
22 | #define CS42L43_SPK_TIMEOUT_MS 100 |
23 | #define CS42L43_HP_TIMEOUT_MS 2000 |
24 | #define CS42L43_LOAD_TIMEOUT_MS 1000 |
25 | |
26 | #define CS42L43_HP_ILIMIT_BACKOFF_MS 1000 |
27 | #define CS42L43_HP_ILIMIT_DECAY_MS 300 |
28 | #define CS42L43_HP_ILIMIT_MAX_COUNT 4 |
29 | |
30 | #define CS42L43_ASP_MAX_CHANNELS 6 |
31 | #define CS42L43_N_EQ_COEFFS 15 |
32 | |
33 | #define CS42L43_N_BUTTONS 6 |
34 | |
35 | struct clk; |
36 | struct device; |
37 | |
38 | struct snd_soc_component; |
39 | struct snd_soc_jack; |
40 | |
41 | struct cs42l43; |
42 | |
43 | struct cs42l43_codec { |
44 | struct device *dev; |
45 | struct cs42l43 *core; |
46 | struct snd_soc_component *component; |
47 | |
48 | struct clk *mclk; |
49 | |
50 | int n_slots; |
51 | int slot_width; |
52 | int tx_slots[CS42L43_ASP_MAX_CHANNELS]; |
53 | int rx_slots[CS42L43_ASP_MAX_CHANNELS]; |
54 | struct snd_pcm_hw_constraint_list constraint; |
55 | |
56 | u32 eq_coeffs[CS42L43_N_EQ_COEFFS]; |
57 | |
58 | unsigned int refclk_src; |
59 | unsigned int refclk_freq; |
60 | struct completion pll_ready; |
61 | |
62 | unsigned int decim_cache[4]; |
63 | unsigned int adc_ena; |
64 | unsigned int hp_ena; |
65 | |
66 | struct completion hp_startup; |
67 | struct completion hp_shutdown; |
68 | struct completion spkr_shutdown; |
69 | struct completion spkl_shutdown; |
70 | struct completion spkr_startup; |
71 | struct completion spkl_startup; |
72 | // Lock to ensure speaker VU updates don't clash |
73 | struct mutex spk_vu_lock; |
74 | |
75 | // Lock for all jack detect operations |
76 | struct mutex jack_lock; |
77 | struct snd_soc_jack *jack_hp; |
78 | |
79 | bool use_ring_sense; |
80 | unsigned int tip_debounce_ms; |
81 | unsigned int bias_low; |
82 | unsigned int bias_sense_ua; |
83 | unsigned int bias_ramp_ms; |
84 | unsigned int detect_us; |
85 | unsigned int buttons[CS42L43_N_BUTTONS]; |
86 | |
87 | struct delayed_work tip_sense_work; |
88 | struct delayed_work bias_sense_timeout; |
89 | struct delayed_work button_press_work; |
90 | struct work_struct button_release_work; |
91 | struct completion type_detect; |
92 | struct completion load_detect; |
93 | |
94 | bool load_detect_running; |
95 | bool button_detect_running; |
96 | bool jack_present; |
97 | int jack_override; |
98 | |
99 | struct work_struct hp_ilimit_work; |
100 | struct delayed_work hp_ilimit_clear_work; |
101 | bool hp_ilimited; |
102 | int hp_ilimit_count; |
103 | }; |
104 | |
105 | #if IS_REACHABLE(CONFIG_SND_SOC_CS42L43_SDW) |
106 | |
107 | int cs42l43_sdw_add_peripheral(struct snd_pcm_substream *substream, |
108 | struct snd_pcm_hw_params *params, |
109 | struct snd_soc_dai *dai); |
110 | int cs42l43_sdw_remove_peripheral(struct snd_pcm_substream *substream, |
111 | struct snd_soc_dai *dai); |
112 | int cs42l43_sdw_set_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction); |
113 | |
114 | #else |
115 | |
116 | static inline int cs42l43_sdw_add_peripheral(struct snd_pcm_substream *substream, |
117 | struct snd_pcm_hw_params *params, |
118 | struct snd_soc_dai *dai) |
119 | { |
120 | return -EINVAL; |
121 | } |
122 | |
123 | #define cs42l43_sdw_remove_peripheral NULL |
124 | #define cs42l43_sdw_set_stream NULL |
125 | |
126 | #endif |
127 | |
128 | int cs42l43_set_jack(struct snd_soc_component *component, |
129 | struct snd_soc_jack *jack, void *d); |
130 | void cs42l43_bias_sense_timeout(struct work_struct *work); |
131 | void cs42l43_tip_sense_work(struct work_struct *work); |
132 | void cs42l43_button_press_work(struct work_struct *work); |
133 | void cs42l43_button_release_work(struct work_struct *work); |
134 | irqreturn_t cs42l43_bias_detect_clamp(int irq, void *data); |
135 | irqreturn_t cs42l43_button_press(int irq, void *data); |
136 | irqreturn_t cs42l43_button_release(int irq, void *data); |
137 | irqreturn_t cs42l43_tip_sense(int irq, void *data); |
138 | int cs42l43_jack_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); |
139 | int cs42l43_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); |
140 | |
141 | extern const struct soc_enum cs42l43_jack_enum; |
142 | |
143 | #endif /* CS42L43_ASOC_INT_H */ |
144 | |