Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / pci / cs5535audio / cs5535audio.h

diff --git a/kernel/sound/pci/cs5535audio/cs5535audio.h b/kernel/sound/pci/cs5535audio/cs5535audio.h
new file mode 100644 (file)
index 0000000..0579daa
--- /dev/null
+++ b/kernel/sound/pci/cs5535audio/cs5535audio.h
@@ -0,0 +1,139 @@
+#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];
+};
+
+extern const struct dev_pm_ops snd_cs5535audio_pm;
+
+#ifdef CONFIG_OLPC
+void olpc_prequirks(struct snd_card *card,
+                   struct snd_ac97_template *ac97);
+int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
+void 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 snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
+
+#endif /* __SOUND_CS5535AUDIO_H */
+