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 #define WM_ADSP2_REGION_0 BIT(0) 27 #define WM_ADSP2_REGION_1 BIT(1) 28 #define WM_ADSP2_REGION_2 BIT(2) 29 #define WM_ADSP2_REGION_3 BIT(3) 30 #define WM_ADSP2_REGION_4 BIT(4) 31 #define WM_ADSP2_REGION_5 BIT(5) 32 #define WM_ADSP2_REGION_6 BIT(6) 33 #define WM_ADSP2_REGION_7 BIT(7) 34 #define WM_ADSP2_REGION_8 BIT(8) 35 #define WM_ADSP2_REGION_9 BIT(9) 36 #define WM_ADSP2_REGION_1_9 (WM_ADSP2_REGION_1 | \ 37 WM_ADSP2_REGION_2 | WM_ADSP2_REGION_3 | \ 38 WM_ADSP2_REGION_4 | WM_ADSP2_REGION_5 | \ 39 WM_ADSP2_REGION_6 | WM_ADSP2_REGION_7 | \ 40 WM_ADSP2_REGION_8 | WM_ADSP2_REGION_9) 41 #define WM_ADSP2_REGION_ALL (WM_ADSP2_REGION_0 | WM_ADSP2_REGION_1_9) 42 43 struct wm_adsp_region { 44 int type; 45 unsigned int base; 46 }; 47 48 struct wm_adsp_alg_region { 49 struct list_head list; 50 unsigned int alg; 51 int type; 52 unsigned int base; 53 }; 54 55 struct wm_adsp_compr; 56 struct wm_adsp_compr_buf; 57 58 struct wm_adsp { 59 const char *part; 60 const char *name; 61 const char *fwf_name; 62 int rev; 63 int num; 64 int type; 65 struct device *dev; 66 struct regmap *regmap; 67 struct snd_soc_component *component; 68 69 unsigned int base; 70 unsigned int sysclk_reg; 71 unsigned int sysclk_mask; 72 unsigned int sysclk_shift; 73 74 struct list_head alg_regions; 75 76 unsigned int fw_id; 77 unsigned int fw_id_version; 78 79 const struct wm_adsp_region *mem; 80 int num_mems; 81 82 int fw; 83 int fw_ver; 84 85 bool preloaded; 86 bool booted; 87 bool running; 88 89 struct list_head ctl_list; 90 91 struct work_struct boot_work; 92 93 struct wm_adsp_compr *compr; 94 struct wm_adsp_compr_buf *buffer; 95 96 struct mutex pwr_lock; 97 98 unsigned int lock_regions; 99 100 #ifdef CONFIG_DEBUG_FS 101 struct dentry *debugfs_root; 102 char *wmfw_file_name; 103 char *bin_file_name; 104 #endif 105 106 }; 107 108 #define WM_ADSP1(wname, num) \ 109 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ 110 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) 111 112 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \ 113 SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \ 114 wm_adsp2_preloader_get, wm_adsp2_preloader_put) 115 116 #define WM_ADSP2(wname, num, event_fn) \ 117 SND_SOC_DAPM_SPK(wname " Preload", NULL), \ 118 { .id = snd_soc_dapm_supply, .name = wname " Preloader", \ 119 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ 120 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \ 121 .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \ 122 { .id = snd_soc_dapm_out_drv, .name = wname, \ 123 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \ 124 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } 125 126 #define WM_ADSP_FW_CONTROL(dspname, num) \ 127 SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \ 128 wm_adsp_fw_get, wm_adsp_fw_put) 129 130 extern const struct soc_enum wm_adsp_fw_enum[]; 131 132 int wm_adsp1_init(struct wm_adsp *dsp); 133 int wm_adsp2_init(struct wm_adsp *dsp); 134 void wm_adsp2_remove(struct wm_adsp *dsp); 135 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component); 136 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component); 137 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 138 struct snd_kcontrol *kcontrol, int event); 139 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w, 140 struct snd_kcontrol *kcontrol, int event, 141 unsigned int freq); 142 143 int wm_adsp2_lock(struct wm_adsp *adsp, unsigned int regions); 144 irqreturn_t wm_adsp2_bus_error(struct wm_adsp *adsp); 145 146 int wm_adsp2_event(struct snd_soc_dapm_widget *w, 147 struct snd_kcontrol *kcontrol, int event); 148 149 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 150 struct snd_ctl_elem_value *ucontrol); 151 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 152 struct snd_ctl_elem_value *ucontrol); 153 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 154 struct snd_ctl_elem_value *ucontrol); 155 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 156 struct snd_ctl_elem_value *ucontrol); 157 158 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream); 159 int wm_adsp_compr_free(struct snd_compr_stream *stream); 160 int wm_adsp_compr_set_params(struct snd_compr_stream *stream, 161 struct snd_compr_params *params); 162 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream, 163 struct snd_compr_caps *caps); 164 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd); 165 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); 166 int wm_adsp_compr_pointer(struct snd_compr_stream *stream, 167 struct snd_compr_tstamp *tstamp); 168 int wm_adsp_compr_copy(struct snd_compr_stream *stream, 169 char __user *buf, size_t count); 170 171 #endif 172