1 files changed, 59 insertions, 0 deletions
diff --git a/include/sound/pxa2xx-lib.h b/include/sound/pxa2xx-lib.h
new file mode 100644
index 000000000..0a6f8dabf
--- /dev/null
+++ b/include/sound/pxa2xx-lib.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef PXA2XX_LIB_H
+#define PXA2XX_LIB_H
+
+#include <uapi/sound/asound.h>
+#include <linux/platform_device.h>
+
+/* PCM */
+struct snd_pcm_substream;
+struct snd_pcm_hw_params;
+struct snd_soc_pcm_runtime;
+struct snd_pcm;
+struct snd_soc_component;
+
+extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params);
+extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
+extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
+extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
+extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
+extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
+extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm);
+extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
+			      struct snd_soc_pcm_runtime *rtd);
+extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
+			       struct snd_pcm_substream *substream);
+extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
+				struct snd_pcm_substream *substream);
+extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
+				    struct snd_pcm_substream *substream,
+				    struct snd_pcm_hw_params *params);
+extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
+				  struct snd_pcm_substream *substream);
+extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
+				  struct snd_pcm_substream *substream, int cmd);
+extern snd_pcm_uframes_t
+pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
+		       struct snd_pcm_substream *substream);
+
+/* AC97 */
+
+extern int pxa2xx_ac97_read(int slot, unsigned short reg);
+extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
+
+extern bool pxa2xx_ac97_try_warm_reset(void);
+extern bool pxa2xx_ac97_try_cold_reset(void);
+extern void pxa2xx_ac97_finish_reset(void);
+
+extern int pxa2xx_ac97_hw_suspend(void);
+extern int pxa2xx_ac97_hw_resume(void);
+
+extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
+extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
+
+/* modem registers, used by touchscreen driver */
+u32 pxa2xx_ac97_read_modr(void);
+u32 pxa2xx_ac97_read_misr(void);
+
+#endif