diff options
Diffstat (limited to 'kernel/sound/soc/codecs/wm_adsp.h')
| -rw-r--r-- | kernel/sound/soc/codecs/wm_adsp.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/kernel/sound/soc/codecs/wm_adsp.h b/kernel/sound/soc/codecs/wm_adsp.h new file mode 100644 index 000000000..a4f6b64de --- /dev/null +++ b/kernel/sound/soc/codecs/wm_adsp.h @@ -0,0 +1,90 @@ +/* + * wm_adsp.h -- Wolfson ADSP support + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __WM_ADSP_H +#define __WM_ADSP_H + +#include <sound/soc.h> +#include <sound/soc-dapm.h> + +#include "wmfw.h" + +struct regulator; + +struct wm_adsp_region { + int type; + unsigned int base; +}; + +struct wm_adsp_alg_region { + struct list_head list; + unsigned int alg; + int type; + unsigned int base; + size_t len; +}; + +struct wm_adsp { + const char *part; + int num; + int type; + struct device *dev; + struct regmap *regmap; + struct snd_soc_card *card; + + int base; + int sysclk_reg; + int sysclk_mask; + int sysclk_shift; + + struct list_head alg_regions; + + int fw_id; + + const struct wm_adsp_region *mem; + int num_mems; + + int fw; + bool running; + + struct regulator *dvfs; + + struct list_head ctl_list; + + struct work_struct boot_work; +}; + +#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(wname, num) \ +{ .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \ + .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_early_event, \ + .event_flags = SND_SOC_DAPM_PRE_PMU }, \ +{ .id = snd_soc_dapm_out_drv, .name = wname, \ + .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } + +extern const struct snd_kcontrol_new wm_adsp1_fw_controls[]; +extern const struct snd_kcontrol_new wm_adsp2_fw_controls[]; + +int wm_adsp1_init(struct wm_adsp *adsp); +int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs); +int wm_adsp1_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); +int wm_adsp2_early_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); +int wm_adsp2_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +#endif |