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TOMOYO Linux Cross Reference
Linux/sound/soc/codecs/sigmadsp.h

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  1 /*
  2  * Load firmware files from Analog Devices SigmaStudio
  3  *
  4  * Copyright 2009-2011 Analog Devices Inc.
  5  *
  6  * Licensed under the GPL-2 or later.
  7  */
  8 
  9 #ifndef __SIGMA_FIRMWARE_H__
 10 #define __SIGMA_FIRMWARE_H__
 11 
 12 #include <linux/device.h>
 13 #include <linux/regmap.h>
 14 #include <linux/list.h>
 15 
 16 #include <sound/pcm.h>
 17 
 18 struct sigmadsp;
 19 struct snd_soc_component;
 20 struct snd_pcm_substream;
 21 
 22 struct sigmadsp_ops {
 23         int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,
 24                         const uint8_t *data, size_t len);
 25 };
 26 
 27 struct sigmadsp {
 28         const struct sigmadsp_ops *ops;
 29 
 30         struct list_head ctrl_list;
 31         struct list_head data_list;
 32 
 33         struct snd_pcm_hw_constraint_list rate_constraints;
 34 
 35         unsigned int current_samplerate;
 36         struct snd_soc_component *component;
 37         struct device *dev;
 38 
 39         struct mutex lock;
 40 
 41         void *control_data;
 42         int (*write)(void *, unsigned int, const uint8_t *, size_t);
 43         int (*read)(void *, unsigned int, uint8_t *, size_t);
 44 };
 45 
 46 struct sigmadsp *devm_sigmadsp_init(struct device *dev,
 47         const struct sigmadsp_ops *ops, const char *firmware_name);
 48 void sigmadsp_reset(struct sigmadsp *sigmadsp);
 49 
 50 int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
 51         struct snd_pcm_substream *substream);
 52 
 53 struct i2c_client;
 54 
 55 struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
 56         struct regmap *regmap, const struct sigmadsp_ops *ops,
 57         const char *firmware_name);
 58 struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
 59         const struct sigmadsp_ops *ops, const char *firmware_name);
 60 
 61 int sigmadsp_attach(struct sigmadsp *sigmadsp,
 62         struct snd_soc_component *component);
 63 int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
 64 void sigmadsp_reset(struct sigmadsp *sigmadsp);
 65 
 66 #endif
 67 

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