1 /* 2 * wm_adsp.h -- Wolfson ADSP support 3 * 4 * Copyright 2012 Wolfson Microelectronics plc 5 * 6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #ifndef __WM_ADSP_H 14 #define __WM_ADSP_H 15 16 #include <sound/soc.h> 17 #include <sound/soc-dapm.h> 18 #include <sound/compress_driver.h> 19 20 #include "wmfw.h" 21 22 /* Return values for wm_adsp_compr_handle_irq */ 23 #define WM_ADSP_COMPR_OK 0 24 #define WM_ADSP_COMPR_VOICE_TRIGGER 1 25 26 struct wm_adsp_region { 27 int type; 28 unsigned int base; 29 }; 30 31 struct wm_adsp_alg_region { 32 struct list_head list; 33 unsigned int alg; 34 int type; 35 unsigned int base; 36 }; 37 38 struct wm_adsp_compr; 39 struct wm_adsp_compr_buf; 40 41 struct wm_adsp { 42 const char *part; 43 int num; 44 int type; 45 struct device *dev; 46 struct regmap *regmap; 47 struct snd_soc_codec *codec; 48 49 int base; 50 int sysclk_reg; 51 int sysclk_mask; 52 int sysclk_shift; 53 54 struct list_head alg_regions; 55 56 unsigned int fw_id; 57 unsigned int fw_id_version; 58 59 const struct wm_adsp_region *mem; 60 int num_mems; 61 62 int fw; 63 int fw_ver; 64 65 bool preloaded; 66 bool booted; 67 bool running; 68 69 struct list_head ctl_list; 70 71 struct work_struct boot_work; 72 73 struct wm_adsp_compr *compr; 74 struct wm_adsp_compr_buf *buffer; 75 76 struct mutex pwr_lock; 77 78 #ifdef CONFIG_DEBUG_FS 79 struct dentry *debugfs_root; 80 char *wmfw_file_name; 81 char *bin_file_name; 82 #endif 83 84 }; 85 86 #define WM_ADSP1(wname, num) \ 87 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ 88 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) 89 90 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \ 91 SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \ 92 wm_adsp2_preloader_get, wm_adsp2_preloader_put) 93 94 #define WM_ADSP2(wname, num, event_fn) \ 95 SND_SOC_DAPM_SPK(wname " Preload", NULL), \ 96 { .id = snd_soc_dapm_supply, .name = wname " Preloader", \ 97 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ 98 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \ 99 .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \ 100 { .id = snd_soc_dapm_out_drv, .name = wname, \ 101 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \ 102 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } 103 104 extern const struct snd_kcontrol_new wm_adsp_fw_controls[]; 105 106 int wm_adsp1_init(struct wm_adsp *dsp); 107 int wm_adsp2_init(struct wm_adsp *dsp); 108 void wm_adsp2_remove(struct wm_adsp *dsp); 109 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec); 110 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec); 111 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 112 struct snd_kcontrol *kcontrol, int event); 113 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w, 114 struct snd_kcontrol *kcontrol, int event, 115 unsigned int freq); 116 int wm_adsp2_event(struct snd_soc_dapm_widget *w, 117 struct snd_kcontrol *kcontrol, int event); 118 119 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 120 struct snd_ctl_elem_value *ucontrol); 121 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 122 struct snd_ctl_elem_value *ucontrol); 123 124 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream); 125 int wm_adsp_compr_free(struct snd_compr_stream *stream); 126 int wm_adsp_compr_set_params(struct snd_compr_stream *stream, 127 struct snd_compr_params *params); 128 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream, 129 struct snd_compr_caps *caps); 130 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd); 131 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); 132 int wm_adsp_compr_pointer(struct snd_compr_stream *stream, 133 struct snd_compr_tstamp *tstamp); 134 int wm_adsp_compr_copy(struct snd_compr_stream *stream, 135 char __user *buf, size_t count); 136 137 #endif 138