1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * wm_adsp.h -- Wolfson ADSP support 4 * 5 * Copyright 2012 Wolfson Microelectronics plc 6 * 7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 8 */ 9 10 #ifndef __WM_ADSP_H 11 #define __WM_ADSP_H 12 13 #include <linux/firmware/cirrus/cs_dsp.h> 14 #include <linux/firmware/cirrus/wmfw.h> 15 16 #include <sound/soc.h> 17 #include <sound/soc-dapm.h> 18 #include <sound/compress_driver.h> 19 20 /* Return values for wm_adsp_compr_handle_irq */ 21 #define WM_ADSP_COMPR_OK 0 22 #define WM_ADSP_COMPR_VOICE_TRIGGER 1 23 24 struct wm_adsp_compr; 25 struct wm_adsp_compr_buf; 26 27 struct wm_adsp { 28 struct cs_dsp cs_dsp; 29 const char *part; 30 const char *fwf_name; 31 struct snd_soc_component *component; 32 33 unsigned int sys_config_size; 34 35 int fw; 36 37 struct work_struct boot_work; 38 39 bool preloaded; 40 bool fatal_error; 41 42 struct list_head compr_list; 43 struct list_head buffer_list; 44 45 /* 46 * Flag indicating the preloader widget only needs power toggled 47 * on state change rather than held on for the duration of the 48 * preload, useful for devices that can retain firmware memory 49 * across power down. 50 */ 51 bool toggle_preload; 52 }; 53 54 #define WM_ADSP1(wname, num) \ 55 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ 56 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) 57 58 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \ 59 SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \ 60 wm_adsp2_preloader_get, wm_adsp2_preloader_put) 61 62 #define WM_ADSP2(wname, num, event_fn) \ 63 SND_SOC_DAPM_SPK(wname " Preload", NULL), \ 64 { .id = snd_soc_dapm_supply, .name = wname " Preloader", \ 65 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ 66 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \ 67 .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \ 68 { .id = snd_soc_dapm_out_drv, .name = wname, \ 69 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \ 70 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } 71 72 #define WM_ADSP_FW_CONTROL(dspname, num) \ 73 SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \ 74 wm_adsp_fw_get, wm_adsp_fw_put) 75 76 extern const struct soc_enum wm_adsp_fw_enum[]; 77 78 int wm_adsp1_init(struct wm_adsp *dsp); 79 int wm_adsp2_init(struct wm_adsp *dsp); 80 void wm_adsp2_remove(struct wm_adsp *dsp); 81 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component); 82 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component); 83 int wm_halo_init(struct wm_adsp *dsp); 84 85 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 86 struct snd_kcontrol *kcontrol, int event); 87 88 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 89 struct snd_kcontrol *kcontrol, int event); 90 91 irqreturn_t wm_adsp2_bus_error(int irq, void *data); 92 irqreturn_t wm_halo_bus_error(int irq, void *data); 93 irqreturn_t wm_halo_wdt_expire(int irq, void *data); 94 95 int wm_adsp_event(struct snd_soc_dapm_widget *w, 96 struct snd_kcontrol *kcontrol, int event); 97 98 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq); 99 100 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 101 struct snd_ctl_elem_value *ucontrol); 102 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 103 struct snd_ctl_elem_value *ucontrol); 104 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 105 struct snd_ctl_elem_value *ucontrol); 106 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 107 struct snd_ctl_elem_value *ucontrol); 108 109 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream); 110 int wm_adsp_compr_free(struct snd_soc_component *component, 111 struct snd_compr_stream *stream); 112 int wm_adsp_compr_set_params(struct snd_soc_component *component, 113 struct snd_compr_stream *stream, 114 struct snd_compr_params *params); 115 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 116 struct snd_compr_stream *stream, 117 struct snd_compr_caps *caps); 118 int wm_adsp_compr_trigger(struct snd_soc_component *component, 119 struct snd_compr_stream *stream, int cmd); 120 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); 121 int wm_adsp_compr_pointer(struct snd_soc_component *component, 122 struct snd_compr_stream *stream, 123 struct snd_compr_tstamp *tstamp); 124 int wm_adsp_compr_copy(struct snd_soc_component *component, 125 struct snd_compr_stream *stream, 126 char __user *buf, size_t count); 127 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 128 unsigned int alg, void *buf, size_t len); 129 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 130 unsigned int alg, void *buf, size_t len); 131 132 #endif 133