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