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Diffstat (limited to 'sound/soc/codecs/sigmadsp.h')
-rw-r--r--sound/soc/codecs/sigmadsp.h59
1 files changed, 42 insertions, 17 deletions
diff --git a/sound/soc/codecs/sigmadsp.h b/sound/soc/codecs/sigmadsp.h
index c47cd23e9827..614475cbb823 100644
--- a/sound/soc/codecs/sigmadsp.h
+++ b/sound/soc/codecs/sigmadsp.h
@@ -11,31 +11,56 @@
11 11
12#include <linux/device.h> 12#include <linux/device.h>
13#include <linux/regmap.h> 13#include <linux/regmap.h>
14#include <linux/list.h>
14 15
15struct sigma_action { 16#include <sound/pcm.h>
16 u8 instr;
17 u8 len_hi;
18 __le16 len;
19 __be16 addr;
20 unsigned char payload[];
21} __packed;
22 17
23struct sigma_firmware { 18struct sigmadsp;
24 const struct firmware *fw; 19struct snd_soc_component;
25 size_t pos; 20struct snd_pcm_substream;
21
22struct sigmadsp_ops {
23 int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,
24 const uint8_t *data, size_t len);
25};
26
27struct 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;
26 40
27 void *control_data; 41 void *control_data;
28 int (*write)(void *control_data, const struct sigma_action *sa, 42 int (*write)(void *, unsigned int, const uint8_t *, size_t);
29 size_t len); 43 int (*read)(void *, unsigned int, uint8_t *, size_t);
30}; 44};
31 45
32int _process_sigma_firmware(struct device *dev, 46struct sigmadsp *devm_sigmadsp_init(struct device *dev,
33 struct sigma_firmware *ssfw, const char *name); 47 const struct sigmadsp_ops *ops, const char *firmware_name);
48void sigmadsp_reset(struct sigmadsp *sigmadsp);
49
50int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
51 struct snd_pcm_substream *substream);
34 52
35struct i2c_client; 53struct i2c_client;
36 54
37extern int process_sigma_firmware(struct i2c_client *client, const char *name); 55struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
38extern int process_sigma_firmware_regmap(struct device *dev, 56 struct regmap *regmap, const struct sigmadsp_ops *ops,
39 struct regmap *regmap, const char *name); 57 const char *firmware_name);
58struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
59 const struct sigmadsp_ops *ops, const char *firmware_name);
60
61int sigmadsp_attach(struct sigmadsp *sigmadsp,
62 struct snd_soc_component *component);
63int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
64void sigmadsp_reset(struct sigmadsp *sigmadsp);
40 65
41#endif 66#endif