zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/sound/pci/cs5535audio/cs5535audio.h b/ap/os/linux/linux-3.4.x/sound/pci/cs5535audio/cs5535audio.h
new file mode 100644
index 0000000..51966d7
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/sound/pci/cs5535audio/cs5535audio.h
@@ -0,0 +1,142 @@
+#ifndef __SOUND_CS5535AUDIO_H
+#define __SOUND_CS5535AUDIO_H
+
+#define cs_writel(cs5535au, reg, val)	outl(val, (cs5535au)->port + reg)
+#define cs_writeb(cs5535au, reg, val)	outb(val, (cs5535au)->port + reg)
+#define cs_readl(cs5535au, reg)		inl((cs5535au)->port + reg)
+#define cs_readw(cs5535au, reg)		inw((cs5535au)->port + reg)
+#define cs_readb(cs5535au, reg)		inb((cs5535au)->port + reg)
+
+#define CS5535AUDIO_MAX_DESCRIPTORS	128
+
+/* acc_codec bar0 reg addrs */
+#define ACC_GPIO_STATUS			0x00
+#define ACC_CODEC_STATUS		0x08
+#define ACC_CODEC_CNTL			0x0C
+#define ACC_IRQ_STATUS			0x12
+#define ACC_BM0_CMD			0x20
+#define ACC_BM1_CMD			0x28
+#define ACC_BM0_PRD			0x24
+#define ACC_BM1_PRD			0x2C
+#define ACC_BM0_STATUS			0x21
+#define ACC_BM1_STATUS			0x29
+#define ACC_BM0_PNTR			0x60
+#define ACC_BM1_PNTR			0x64
+
+/* acc_codec bar0 reg bits */
+/* ACC_IRQ_STATUS */
+#define IRQ_STS 			0
+#define WU_IRQ_STS 			1
+#define BM0_IRQ_STS 			2
+#define BM1_IRQ_STS 			3
+/* ACC_BMX_STATUS */
+#define EOP				(1<<0)
+#define BM_EOP_ERR			(1<<1)
+/* ACC_BMX_CTL */
+#define BM_CTL_EN			0x01
+#define BM_CTL_PAUSE			0x03
+#define BM_CTL_DIS			0x00
+#define BM_CTL_BYTE_ORD_LE		0x00
+#define BM_CTL_BYTE_ORD_BE		0x04
+/* cs5535 specific ac97 codec register defines */
+#define CMD_MASK			0xFF00FFFF
+#define CMD_NEW				0x00010000
+#define STS_NEW				0x00020000
+#define PRM_RDY_STS			0x00800000
+#define ACC_CODEC_CNTL_WR_CMD		(~0x80000000)
+#define ACC_CODEC_CNTL_RD_CMD		0x80000000
+#define ACC_CODEC_CNTL_LNK_SHUTDOWN	0x00040000
+#define ACC_CODEC_CNTL_LNK_WRM_RST	0x00020000
+#define PRD_JMP				0x2000
+#define PRD_EOP				0x4000
+#define PRD_EOT				0x8000
+
+enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
+
+struct cs5535audio;
+
+struct cs5535audio_dma_ops {
+	int type;
+	void (*enable_dma)(struct cs5535audio *cs5535au);
+	void (*disable_dma)(struct cs5535audio *cs5535au);
+	void (*pause_dma)(struct cs5535audio *cs5535au);
+	void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr);
+	u32 (*read_prd)(struct cs5535audio *cs5535au);
+	u32 (*read_dma_pntr)(struct cs5535audio *cs5535au);
+};
+
+struct cs5535audio_dma_desc {
+	u32 addr;
+	u16 size;
+	u16 ctlreserved;
+};
+
+struct cs5535audio_dma {
+	const struct cs5535audio_dma_ops *ops;
+	struct snd_dma_buffer desc_buf;
+	struct snd_pcm_substream *substream;
+	unsigned int buf_addr, buf_bytes;
+	unsigned int period_bytes, periods;
+	u32 saved_prd;
+	int pcm_open_flag;
+};
+
+struct cs5535audio {
+	struct snd_card *card;
+	struct snd_ac97 *ac97;
+	struct snd_pcm *pcm;
+	int irq;
+	struct pci_dev *pci;
+	unsigned long port;
+	spinlock_t reg_lock;
+	struct snd_pcm_substream *playback_substream;
+	struct snd_pcm_substream *capture_substream;
+	struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
+};
+
+#ifdef CONFIG_PM
+int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
+int snd_cs5535audio_resume(struct pci_dev *pci);
+#endif
+
+#ifdef CONFIG_OLPC
+void __devinit olpc_prequirks(struct snd_card *card,
+		struct snd_ac97_template *ac97);
+int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
+void __devexit olpc_quirks_cleanup(void);
+void olpc_analog_input(struct snd_ac97 *ac97, int on);
+void olpc_mic_bias(struct snd_ac97 *ac97, int on);
+
+static inline void olpc_capture_open(struct snd_ac97 *ac97)
+{
+	/* default to Analog Input off */
+	olpc_analog_input(ac97, 0);
+	/* enable MIC Bias for recording */
+	olpc_mic_bias(ac97, 1);
+}
+
+static inline void olpc_capture_close(struct snd_ac97 *ac97)
+{
+	/* disable Analog Input */
+	olpc_analog_input(ac97, 0);
+	/* disable the MIC Bias (so the recording LED turns off) */
+	olpc_mic_bias(ac97, 0);
+}
+#else
+static inline void olpc_prequirks(struct snd_card *card,
+		struct snd_ac97_template *ac97) { }
+static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
+{
+	return 0;
+}
+static inline void olpc_quirks_cleanup(void) { }
+static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { }
+static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { }
+static inline void olpc_capture_open(struct snd_ac97 *ac97) { }
+static inline void olpc_capture_close(struct snd_ac97 *ac97) { }
+#endif
+
+int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
+
+#endif /* __SOUND_CS5535AUDIO_H */
+