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 struct wm_adsp_region { 23 int type; 24 unsigned int base; 25 }; 26 27 struct wm_adsp_alg_region { 28 struct list_head list; 29 unsigned int alg; 30 int type; 31 unsigned int base; 32 }; 33 34 struct wm_adsp_compr; 35 struct wm_adsp_compr_buf; 36 37 struct wm_adsp { 38 const char *part; 39 int num; 40 int type; 41 struct device *dev; 42 struct regmap *regmap; 43 struct snd_soc_card *card; 44 45 int base; 46 int sysclk_reg; 47 int sysclk_mask; 48 int sysclk_shift; 49 50 struct list_head alg_regions; 51 52 unsigned int fw_id; 53 unsigned int fw_id_version; 54 55 const struct wm_adsp_region *mem; 56 int num_mems; 57 58 int fw; 59 int fw_ver; 60 bool running; 61 62 struct list_head ctl_list; 63 64 struct work_struct boot_work; 65 66 struct wm_adsp_compr *compr; 67 struct wm_adsp_compr_buf *buffer; 68 69 struct mutex pwr_lock; 70 71 #ifdef CONFIG_DEBUG_FS 72 struct dentry *debugfs_root; 73 char *wmfw_file_name; 74 char *bin_file_name; 75 #endif 76 77 }; 78 79 #define WM_ADSP1(wname, num) \ 80 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ 81 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) 82 83 #define WM_ADSP2(wname, num, event_fn) \ 84 { .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \ 85 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ 86 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \ 87 { .id = snd_soc_dapm_out_drv, .name = wname, \ 88 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \ 89 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } 90 91 extern const struct snd_kcontrol_new wm_adsp_fw_controls[]; 92 93 int wm_adsp1_init(struct wm_adsp *dsp); 94 int wm_adsp2_init(struct wm_adsp *dsp); 95 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec); 96 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec); 97 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 98 struct snd_kcontrol *kcontrol, int event); 99 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w, 100 struct snd_kcontrol *kcontrol, int event, 101 unsigned int freq); 102 int wm_adsp2_event(struct snd_soc_dapm_widget *w, 103 struct snd_kcontrol *kcontrol, int event); 104 105 extern int wm_adsp_compr_open(struct wm_adsp *dsp, 106 struct snd_compr_stream *stream); 107 extern int wm_adsp_compr_free(struct snd_compr_stream *stream); 108 extern int wm_adsp_compr_set_params(struct snd_compr_stream *stream, 109 struct snd_compr_params *params); 110 extern int wm_adsp_compr_get_caps(struct snd_compr_stream *stream, 111 struct snd_compr_caps *caps); 112 extern int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd); 113 extern int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); 114 extern int wm_adsp_compr_pointer(struct snd_compr_stream *stream, 115 struct snd_compr_tstamp *tstamp); 116 extern int wm_adsp_compr_copy(struct snd_compr_stream *stream, 117 char __user *buf, size_t count); 118 119 #endif 120