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-rw-r--r--sound/oss/ad1889.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/sound/oss/ad1889.h b/sound/oss/ad1889.h
new file mode 100644
index 000000000000..e04affce1dd1
--- /dev/null
+++ b/sound/oss/ad1889.h
@@ -0,0 +1,134 @@
+#ifndef _AD1889_H_
+#define _AD1889_H_
+
+#define AD_DSWSMC 0x00 /* DMA input wave/syn mixer control */
+#define AD_DSRAMC 0x02 /* DMA output resamp/ADC mixer control */
+#define AD_DSWADA 0x04 /* DMA input wave attenuation */
+#define AD_DSSYDA 0x06 /* DMA input syn attentuation */
+#define AD_DSWAS 0x08 /* wave input sample rate */
+#define AD_DSRES 0x0a /* resampler output sample rate */
+#define AD_DSCCS 0x0c /* chip control/status */
+
+#define AD_DMARESBA 0x40 /* RES base addr */
+#define AD_DMARESCA 0x44 /* RES current addr */
+#define AD_DMARESBC 0x48 /* RES base cnt */
+#define AD_DMARESCC 0x4c /* RES current count */
+#define AD_DMAADCBA 0x50 /* ADC */
+#define AD_DMAADCCA 0x54
+#define AD_DMAADCBC 0x58
+#define AD_DMAADCCC 0x5c
+#define AD_DMASYNBA 0x60 /* SYN */
+#define AD_DMASYNCA 0x64
+#define AD_DMASYNBC 0x68
+#define AD_DMASYNCC 0x6c
+#define AD_DMAWAVBA 0x70 /* WAV */
+#define AD_DMAWAVCA 0x74
+#define AD_DMAWAVBC 0x78
+#define AD_DMAWAVCC 0x7c
+#define AD_DMARESICC 0x80 /* RES interrupt current count */
+#define AD_DMARESIBC 0x84 /* RES interrupt base count */
+#define AD_DMAADCICC 0x88 /* ADC interrupt current count */
+#define AD_DMAADCIBC 0x8c /* ADC interrupt base count */
+#define AD_DMASYNICC 0x90 /* SYN interrupt current count */
+#define AD_DMASYNIBC 0x94 /* SYN interrupt base count */
+#define AD_DMAWAVICC 0x98 /* WAV interrupt current count */
+#define AD_DMAWAVIBC 0x9c /* WAV interrupt base count */
+#define AD_DMARESCTRL 0xa0 /* RES PCI control/status */
+#define AD_DMAADCCTRL 0xa8 /* ADC PCI control/status */
+#define AD_DMASYNCTRL 0xb0 /* SYN PCI control/status */
+#define AD_DMAWAVCTRL 0xb8 /* WAV PCI control/status */
+#define AD_DMADISR 0xc0 /* PCI DMA intr status */
+#define AD_DMACHSS 0xc4 /* PCI DMA channel stop status */
+
+#define AD_GPIOIPC 0xc8 /* IO port ctrl */
+#define AD_GPIOOP 0xca /* IO output status */
+#define AD_GPIOIP 0xcc /* IO input status */
+
+/* AC97 registers, 0x100 - 0x17f; see ac97.h */
+#define AD_ACIC 0x180 /* AC Link interface ctrl */
+
+/* OPL3; BAR1 */
+#define AD_OPLM0AS 0x00 /* Music0 address/status */
+#define AD_OPLM0DATA 0x01 /* Music0 data */
+#define AD_OPLM1A 0x02 /* Music1 address */
+#define AD_OPLM1DATA 0x03 /* Music1 data */
+/* 0x04-0x0f reserved */
+
+/* MIDI; BAR2 */
+#define AD_MIDA 0x00 /* MIDI data */
+#define AD_MISC 0x01 /* MIDI status/cmd */
+/* 0x02-0xff reserved */
+
+#define AD_DSIOMEMSIZE 512
+#define AD_OPLMEMSIZE 16
+#define AD_MIDIMEMSIZE 16
+
+#define AD_WAV_STATE 0
+#define AD_ADC_STATE 1
+#define AD_MAX_STATES 2
+
+#define DMA_SIZE (128*1024)
+
+#define DMA_FLAG_MAPPED 1
+
+struct ad1889_dev;
+
+typedef struct ad1889_state {
+ struct ad1889_dev *card;
+
+ mode_t open_mode;
+ struct dmabuf {
+ unsigned int rate;
+ unsigned char fmt, enable;
+
+ /* buf management */
+ size_t rawbuf_size;
+ void *rawbuf;
+ dma_addr_t dma_handle; /* mapped address */
+ unsigned long dma_len; /* number of bytes mapped */
+
+ /* indexes into rawbuf for setting up DMA engine */
+ volatile unsigned long rd_ptr, wr_ptr;
+
+ wait_queue_head_t wait; /* to wait for buf servicing */
+
+ /* OSS bits */
+ unsigned int mapped:1;
+ unsigned int ready:1;
+ unsigned int ossfragshift;
+ int ossmaxfrags;
+ unsigned int subdivision;
+ } dmabuf;
+
+ struct semaphore sem;
+} ad1889_state_t;
+
+typedef struct ad1889_dev {
+ void __iomem *regbase;
+ struct pci_dev *pci;
+
+ spinlock_t lock;
+
+ int dev_audio;
+
+ /* states; one per channel; right now only WAV and ADC */
+ struct ad1889_state state[AD_MAX_STATES];
+
+ /* AC97 codec */
+ struct ac97_codec *ac97_codec;
+ u16 ac97_features;
+
+ /* debugging stuff */
+ struct stats {
+ unsigned int wav_intrs, adc_intrs;
+ unsigned int blocks, underrun, error;
+ } stats;
+} ad1889_dev_t;
+
+typedef struct ad1889_reg {
+ const char *name;
+ int offset;
+ int width;
+} ad1889_reg_t;
+
+#endif