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Diffstat (limited to 'sound/soc/codecs/wm_adsp.h')
-rw-r--r--sound/soc/codecs/wm_adsp.h90
1 files changed, 90 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..a4f6b64de
--- /dev/null
+++ b/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