[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/include/sound/pxa2xx-lib.h b/ap/os/linux/linux-3.4.x/include/sound/pxa2xx-lib.h
new file mode 100644
index 0000000..2fd3d25
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/sound/pxa2xx-lib.h
@@ -0,0 +1,45 @@
+#ifndef PXA2XX_LIB_H
+#define PXA2XX_LIB_H
+
+#include <linux/platform_device.h>
+#include <sound/ac97_codec.h>
+
+/* PCM */
+
+struct pxa2xx_pcm_dma_params {
+ char *name; /* stream identifier */
+ u32 dcmd; /* DMA descriptor dcmd field */
+ volatile u32 *drcmr; /* the DMA request channel to use */
+ u32 dev_addr; /* device physical address for DMA */
+};
+
+extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params);
+extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
+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 void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
+extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
+extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
+extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma);
+extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
+extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
+
+/* AC97 */
+
+extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
+extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
+
+extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
+extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
+extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
+
+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);
+
+#endif