diff options
Diffstat (limited to 'sound/soc/codecs/wm_adsp.h')
| -rw-r--r-- | sound/soc/codecs/wm_adsp.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h new file mode 100644 index 000000000..067d807a7 --- /dev/null +++ b/sound/soc/codecs/wm_adsp.h @@ -0,0 +1,138 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * wm_adsp.h -- Wolfson ADSP support + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + */ + +#ifndef __WM_ADSP_H +#define __WM_ADSP_H + +#include <linux/firmware/cirrus/cs_dsp.h> +#include <linux/firmware/cirrus/wmfw.h> + +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/compress_driver.h> + +/* Return values for wm_adsp_compr_handle_irq */ +#define WM_ADSP_COMPR_OK 0 +#define WM_ADSP_COMPR_VOICE_TRIGGER 1 + +struct wm_adsp_compr; +struct wm_adsp_compr_buf; + +struct wm_adsp { + struct cs_dsp cs_dsp; + const char *part; + const char *fwf_name; + const char *system_name; + struct snd_soc_component *component; + + unsigned int sys_config_size; + + int fw; + bool wmfw_optional; + + struct work_struct boot_work; + int (*pre_run)(struct wm_adsp *dsp); + + bool preloaded; + bool fatal_error; + + struct list_head compr_list; + struct list_head buffer_list; + + /* + * Flag indicating the preloader widget only needs power toggled + * on state change rather than held on for the duration of the + * preload, useful for devices that can retain firmware memory + * across power down. + */ + bool toggle_preload; +}; + +#define WM_ADSP1(wname, num) \ + SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ + wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) + +#define WM_ADSP2_PRELOAD_SWITCH(wname, num) \ + SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \ + wm_adsp2_preloader_get, wm_adsp2_preloader_put) + +#define WM_ADSP2(wname, num, event_fn) \ + SND_SOC_DAPM_SPK(wname " Preload", NULL), \ +{ .id = snd_soc_dapm_supply, .name = wname " Preloader", \ + .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \ + .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \ +{ .id = snd_soc_dapm_out_drv, .name = wname, \ + .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } + +#define WM_ADSP_FW_CONTROL(dspname, num) \ + SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \ + wm_adsp_fw_get, wm_adsp_fw_put) + +extern const struct soc_enum wm_adsp_fw_enum[]; + +int wm_adsp1_init(struct wm_adsp *dsp); +int wm_adsp2_init(struct wm_adsp *dsp); +void wm_adsp2_remove(struct wm_adsp *dsp); +int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component); +int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component); +int wm_halo_init(struct wm_adsp *dsp); + +int wm_adsp1_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +int wm_adsp_early_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware); +void wm_adsp_power_down(struct wm_adsp *dsp); + +irqreturn_t wm_adsp2_bus_error(int irq, void *data); +irqreturn_t wm_halo_bus_error(int irq, void *data); +irqreturn_t wm_halo_wdt_expire(int irq, void *data); + +int wm_adsp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq); + +int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); + +int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream); +int wm_adsp_compr_free(struct snd_soc_component *component, + struct snd_compr_stream *stream); +int wm_adsp_compr_set_params(struct snd_soc_component *component, + struct snd_compr_stream *stream, + struct snd_compr_params *params); +int wm_adsp_compr_get_caps(struct snd_soc_component *component, + struct snd_compr_stream *stream, + struct snd_compr_caps *caps); +int wm_adsp_compr_trigger(struct snd_soc_component *component, + struct snd_compr_stream *stream, int cmd); +int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); +int wm_adsp_compr_pointer(struct snd_soc_component *component, + struct snd_compr_stream *stream, + struct snd_compr_tstamp *tstamp); +int wm_adsp_compr_copy(struct snd_soc_component *component, + struct snd_compr_stream *stream, + char __user *buf, size_t count); +int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len); +int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, + unsigned int alg, void *buf, size_t len); + +#endif |