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 const char *system_name; 32 struct snd_soc_component *component; 33 34 unsigned int sys_config_size; 35 36 int fw; 37 38 struct work_struct boot_work; 39 int (*pre_run)(struct wm_adsp *dsp); 40 41 bool preloaded; 42 bool fatal_error; 43 44 struct list_head compr_list; 45 struct list_head buffer_list; 46 47 /* 48 * Flag indicating the preloader widget only needs power toggled 49 * on state change rather than held on for the duration of the 50 * preload, useful for devices that can retain firmware memory 51 * across power down. 52 */ 53 bool toggle_preload; 54 }; 55 56 #define WM_ADSP1(wname, num) \ 57 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ 58 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) 59 60 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \ 61 SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \ 62 wm_adsp2_preloader_get, wm_adsp2_preloader_put) 63 64 #define WM_ADSP2(wname, num, event_fn) \ 65 SND_SOC_DAPM_SPK(wname " Preload", NULL), \ 66 { .id = snd_soc_dapm_supply, .name = wname " Preloader", \ 67 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ 68 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \ 69 .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \ 70 { .id = snd_soc_dapm_out_drv, .name = wname, \ 71 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \ 72 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } 73 74 #define WM_ADSP_FW_CONTROL(dspname, num) \ 75 SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \ 76 wm_adsp_fw_get, wm_adsp_fw_put) 77 78 extern const struct soc_enum wm_adsp_fw_enum[]; 79 80 int wm_adsp1_init(struct wm_adsp *dsp); 81 int wm_adsp2_init(struct wm_adsp *dsp); 82 void wm_adsp2_remove(struct wm_adsp *dsp); 83 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component); 84 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component); 85 int wm_halo_init(struct wm_adsp *dsp); 86 87 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 88 struct snd_kcontrol *kcontrol, int event); 89 90 int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 91 struct snd_kcontrol *kcontrol, int event); 92 93 irqreturn_t wm_adsp2_bus_error(int irq, void *data); 94 irqreturn_t wm_halo_bus_error(int irq, void *data); 95 irqreturn_t wm_halo_wdt_expire(int irq, void *data); 96 97 int wm_adsp_event(struct snd_soc_dapm_widget *w, 98 struct snd_kcontrol *kcontrol, int event); 99 100 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq); 101 102 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 103 struct snd_ctl_elem_value *ucontrol); 104 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 105 struct snd_ctl_elem_value *ucontrol); 106 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 107 struct snd_ctl_elem_value *ucontrol); 108 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 109 struct snd_ctl_elem_value *ucontrol); 110 111 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream); 112 int wm_adsp_compr_free(struct snd_soc_component *component, 113 struct snd_compr_stream *stream); 114 int wm_adsp_compr_set_params(struct snd_soc_component *component, 115 struct snd_compr_stream *stream, 116 struct snd_compr_params *params); 117 int wm_adsp_compr_get_caps(struct snd_soc_component *component, 118 struct snd_compr_stream *stream, 119 struct snd_compr_caps *caps); 120 int wm_adsp_compr_trigger(struct snd_soc_component *component, 121 struct snd_compr_stream *stream, int cmd); 122 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); 123 int wm_adsp_compr_pointer(struct snd_soc_component *component, 124 struct snd_compr_stream *stream, 125 struct snd_compr_tstamp *tstamp); 126 int wm_adsp_compr_copy(struct snd_soc_component *component, 127 struct snd_compr_stream *stream, 128 char __user *buf, size_t count); 129 int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 130 unsigned int alg, void *buf, size_t len); 131 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 132 unsigned int alg, void *buf, size_t len); 133 134 #endif 135