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-rw-r--r--sound/soc/codecs/wm_adsp.h171
1 files changed, 171 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..4b8778b0b
--- /dev/null
+++ b/sound/soc/codecs/wm_adsp.h
@@ -0,0 +1,171 @@
+/*
+ * 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 <sound/compress_driver.h>
+
+#include "wmfw.h"
+
+/* Return values for wm_adsp_compr_handle_irq */
+#define WM_ADSP_COMPR_OK 0
+#define WM_ADSP_COMPR_VOICE_TRIGGER 1
+
+#define WM_ADSP2_REGION_0 BIT(0)
+#define WM_ADSP2_REGION_1 BIT(1)
+#define WM_ADSP2_REGION_2 BIT(2)
+#define WM_ADSP2_REGION_3 BIT(3)
+#define WM_ADSP2_REGION_4 BIT(4)
+#define WM_ADSP2_REGION_5 BIT(5)
+#define WM_ADSP2_REGION_6 BIT(6)
+#define WM_ADSP2_REGION_7 BIT(7)
+#define WM_ADSP2_REGION_8 BIT(8)
+#define WM_ADSP2_REGION_9 BIT(9)
+#define WM_ADSP2_REGION_1_9 (WM_ADSP2_REGION_1 | \
+ WM_ADSP2_REGION_2 | WM_ADSP2_REGION_3 | \
+ WM_ADSP2_REGION_4 | WM_ADSP2_REGION_5 | \
+ WM_ADSP2_REGION_6 | WM_ADSP2_REGION_7 | \
+ WM_ADSP2_REGION_8 | WM_ADSP2_REGION_9)
+#define WM_ADSP2_REGION_ALL (WM_ADSP2_REGION_0 | WM_ADSP2_REGION_1_9)
+
+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;
+};
+
+struct wm_adsp_compr;
+struct wm_adsp_compr_buf;
+
+struct wm_adsp {
+ const char *part;
+ const char *name;
+ const char *fwf_name;
+ int rev;
+ int num;
+ int type;
+ struct device *dev;
+ struct regmap *regmap;
+ struct snd_soc_component *component;
+
+ unsigned int base;
+ unsigned int sysclk_reg;
+ unsigned int sysclk_mask;
+ unsigned int sysclk_shift;
+
+ struct list_head alg_regions;
+
+ unsigned int fw_id;
+ unsigned int fw_id_version;
+
+ const struct wm_adsp_region *mem;
+ int num_mems;
+
+ int fw;
+ int fw_ver;
+
+ bool preloaded;
+ bool booted;
+ bool running;
+
+ struct list_head ctl_list;
+
+ struct work_struct boot_work;
+
+ struct wm_adsp_compr *compr;
+ struct wm_adsp_compr_buf *buffer;
+
+ struct mutex pwr_lock;
+
+ unsigned int lock_regions;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_root;
+ char *wmfw_file_name;
+ char *bin_file_name;
+#endif
+
+};
+
+#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_adsp2_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_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,
+ unsigned int freq);
+
+int wm_adsp2_lock(struct wm_adsp *adsp, unsigned int regions);
+irqreturn_t wm_adsp2_bus_error(struct wm_adsp *adsp);
+
+int wm_adsp2_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event);
+
+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_compr_stream *stream);
+int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
+ struct snd_compr_params *params);
+int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
+ struct snd_compr_caps *caps);
+int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
+int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
+int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
+ struct snd_compr_tstamp *tstamp);
+int wm_adsp_compr_copy(struct snd_compr_stream *stream,
+ char __user *buf, size_t count);
+
+#endif