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-rw-r--r--sound/soc/codecs/wm_adsp.h133
1 files changed, 133 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..375009a65
--- /dev/null
+++ b/sound/soc/codecs/wm_adsp.h
@@ -0,0 +1,133 @@
+/* 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;
+
+ struct work_struct boot_work;
+
+ 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);
+
+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