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-rw-r--r--sound/oss/nm256.h292
1 files changed, 0 insertions, 292 deletions
diff --git a/sound/oss/nm256.h b/sound/oss/nm256.h
deleted file mode 100644
index 1dade9033995..000000000000
--- a/sound/oss/nm256.h
+++ /dev/null
@@ -1,292 +0,0 @@
-#ifndef _NM256_H_
-#define _NM256_H_
-
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-
-#include "ac97.h"
-
-/* The revisions that we currently handle. */
-enum nm256rev {
- REV_NM256AV, REV_NM256ZX
-};
-
-/* Per-card structure. */
-struct nm256_info
-{
- /* Magic number used to verify that this struct is valid. */
-#define NM_MAGIC_SIG 0x55aa00ff
- int magsig;
-
- /* Revision number */
- enum nm256rev rev;
-
- struct ac97_hwint mdev;
-
- /* Our audio device numbers. */
- int dev[2];
-
- /* The # of times each device has been opened. (Should only be
- 0 or 1). */
- int opencnt[2];
-
- /* We use two devices, because we can do simultaneous play and record.
- This keeps track of which device is being used for what purpose;
- these are the actual device numbers. */
- int dev_for_play;
- int dev_for_record;
-
- spinlock_t lock;
-
- /* The mixer device. */
- int mixer_oss_dev;
-
- /*
- * Can only be opened once for each operation. These aren't set
- * until an actual I/O operation is performed; this allows one
- * device to be open for read/write without inhibiting I/O to
- * the other device.
- */
- int is_open_play;
- int is_open_record;
-
- /* Non-zero if we're currently playing a sample. */
- int playing;
- /* Ditto for recording a sample. */
- int recording;
-
- /* The two memory ports. */
- struct nm256_ports {
- /* Physical address of the port. */
- u32 physaddr;
- /* Our mapped-in pointer. */
- char __iomem *ptr;
- /* PTR's offset within the physical port. */
- u32 start_offset;
- /* And the offset of the end of the buffer. */
- u32 end_offset;
- } port[2];
-
- /* The following are offsets within memory port 1. */
- u32 coeffBuf;
- u32 allCoeffBuf;
-
- /* Record and playback buffers. */
- u32 abuf1, abuf2;
-
- /* Offset of the AC97 mixer in memory port 2. */
- u32 mixer;
-
- /* Offset of the mixer status register in memory port 2. */
- u32 mixer_status_offset;
-
- /* Non-zero if we have written initial values to the mixer. */
- u8 mixer_values_init;
-
- /*
- * Status mask bit; (*mixer_status_loc & mixer_status_mask) == 0 means
- * it's ready.
- */
- u16 mixer_status_mask;
-
- /* The sizes of the playback and record ring buffers. */
- u32 playbackBufferSize;
- u32 recordBufferSize;
-
- /* Are the coefficient values in the memory cache current? */
- u8 coeffsCurrent;
-
- /* For writes, the amount we last wrote. */
- u32 requested_amt;
- /* The start of the block currently playing. */
- u32 curPlayPos;
-
- /* The amount of data we were requested to record. */
- u32 requestedRecAmt;
- /* The offset of the currently-recording block. */
- u32 curRecPos;
- /* The destination buffer. */
- char *recBuf;
-
- /* Our IRQ number. */
- int irq;
-
- /* A flag indicating how many times we've grabbed the IRQ. */
- int has_irq;
-
- /* The card interrupt service routine. */
- irq_handler_t introutine;
-
- /* Current audio config, cached. */
- struct sinfo {
- u32 samplerate;
- u8 bits;
- u8 stereo;
- } sinfo[2]; /* goes with each device */
-
- /* The cards are stored in a chain; this is the next card. */
- struct nm256_info *next_card;
-};
-
-/* The BIOS signature. */
-#define NM_SIGNATURE 0x4e4d0000
-/* Signature mask. */
-#define NM_SIG_MASK 0xffff0000
-
-/* Size of the second memory area. */
-#define NM_PORT2_SIZE 4096
-
-/* The base offset of the mixer in the second memory area. */
-#define NM_MIXER_OFFSET 0x600
-
-/* The maximum size of a coefficient entry. */
-#define NM_MAX_COEFFICIENT 0x5000
-
-/* The interrupt register. */
-#define NM_INT_REG 0xa04
-/* And its bits. */
-#define NM_PLAYBACK_INT 0x40
-#define NM_RECORD_INT 0x100
-#define NM_MISC_INT_1 0x4000
-#define NM_MISC_INT_2 0x1
-#define NM_ACK_INT(CARD, X) nm256_writePort16((CARD), 2, NM_INT_REG, (X) << 1)
-
-/* The AV's "mixer ready" status bit and location. */
-#define NM_MIXER_STATUS_OFFSET 0xa04
-#define NM_MIXER_READY_MASK 0x0800
-#define NM_MIXER_PRESENCE 0xa06
-#define NM_PRESENCE_MASK 0x0050
-#define NM_PRESENCE_VALUE 0x0040
-
-/*
- * For the ZX. It uses the same interrupt register, but it holds 32
- * bits instead of 16.
- */
-#define NM2_PLAYBACK_INT 0x10000
-#define NM2_RECORD_INT 0x80000
-#define NM2_MISC_INT_1 0x8
-#define NM2_MISC_INT_2 0x2
-#define NM2_ACK_INT(CARD, X) nm256_writePort32((CARD), 2, NM_INT_REG, (X))
-
-/* The ZX's "mixer ready" status bit and location. */
-#define NM2_MIXER_STATUS_OFFSET 0xa06
-#define NM2_MIXER_READY_MASK 0x0800
-
-/* The playback registers start from here. */
-#define NM_PLAYBACK_REG_OFFSET 0x0
-/* The record registers start from here. */
-#define NM_RECORD_REG_OFFSET 0x200
-
-/* The rate register is located 2 bytes from the start of the register area. */
-#define NM_RATE_REG_OFFSET 2
-
-/* Mono/stereo flag, number of bits on playback, and rate mask. */
-#define NM_RATE_STEREO 1
-#define NM_RATE_BITS_16 2
-#define NM_RATE_MASK 0xf0
-
-/* Playback enable register. */
-#define NM_PLAYBACK_ENABLE_REG (NM_PLAYBACK_REG_OFFSET + 0x1)
-#define NM_PLAYBACK_ENABLE_FLAG 1
-#define NM_PLAYBACK_ONESHOT 2
-#define NM_PLAYBACK_FREERUN 4
-
-/* Mutes the audio output. */
-#define NM_AUDIO_MUTE_REG (NM_PLAYBACK_REG_OFFSET + 0x18)
-#define NM_AUDIO_MUTE_LEFT 0x8000
-#define NM_AUDIO_MUTE_RIGHT 0x0080
-
-/* Recording enable register. */
-#define NM_RECORD_ENABLE_REG (NM_RECORD_REG_OFFSET + 0)
-#define NM_RECORD_ENABLE_FLAG 1
-#define NM_RECORD_FREERUN 2
-
-#define NM_RBUFFER_START (NM_RECORD_REG_OFFSET + 0x4)
-#define NM_RBUFFER_END (NM_RECORD_REG_OFFSET + 0x10)
-#define NM_RBUFFER_WMARK (NM_RECORD_REG_OFFSET + 0xc)
-#define NM_RBUFFER_CURRP (NM_RECORD_REG_OFFSET + 0x8)
-
-#define NM_PBUFFER_START (NM_PLAYBACK_REG_OFFSET + 0x4)
-#define NM_PBUFFER_END (NM_PLAYBACK_REG_OFFSET + 0x14)
-#define NM_PBUFFER_WMARK (NM_PLAYBACK_REG_OFFSET + 0xc)
-#define NM_PBUFFER_CURRP (NM_PLAYBACK_REG_OFFSET + 0x8)
-
-/* A few trivial routines to make it easier to work with the registers
- on the chip. */
-
-/* This is a common code portion used to fix up the port offsets. */
-#define NM_FIX_PORT \
- if (port < 1 || port > 2 || card == NULL) \
- return -1; \
-\
- if (offset < card->port[port - 1].start_offset \
- || offset >= card->port[port - 1].end_offset) { \
- printk (KERN_ERR "Bad access: port %d, offset 0x%x\n", port, offset); \
- return -1; \
- } \
- offset -= card->port[port - 1].start_offset;
-
-#define DEFwritePortX(X, func) \
-static inline int nm256_writePort##X (struct nm256_info *card,\
- int port, int offset, int value)\
-{\
- u##X __iomem *addr;\
-\
- if (nm256_debug > 1)\
- printk (KERN_DEBUG "Writing 0x%x to %d:0x%x\n", value, port, offset);\
-\
- NM_FIX_PORT;\
-\
- addr = (u##X __iomem *)(card->port[port - 1].ptr + offset);\
- func (value, addr);\
- return 0;\
-}
-
-DEFwritePortX (8, writeb)
-DEFwritePortX (16, writew)
-DEFwritePortX (32, writel)
-
-#define DEFreadPortX(X, func) \
-static inline u##X nm256_readPort##X (struct nm256_info *card,\
- int port, int offset)\
-{\
- u##X __iomem *addr;\
-\
- NM_FIX_PORT\
-\
- addr = (u##X __iomem *)(card->port[port - 1].ptr + offset);\
- return func(addr);\
-}
-
-DEFreadPortX (8, readb)
-DEFreadPortX (16, readw)
-DEFreadPortX (32, readl)
-
-static inline int
-nm256_writeBuffer8 (struct nm256_info *card, u8 *src, int port, int offset,
- int amt)
-{
- NM_FIX_PORT;
- memcpy_toio (card->port[port - 1].ptr + offset, src, amt);
- return 0;
-}
-
-static inline int
-nm256_readBuffer8 (struct nm256_info *card, u8 *dst, int port, int offset,
- int amt)
-{
- NM_FIX_PORT;
- memcpy_fromio (dst, card->port[port - 1].ptr + offset, amt);
- return 0;
-}
-
-/* Returns a non-zero value if we should use the coefficient cache. */
-static int nm256_cachedCoefficients (struct nm256_info *card);
-
-#endif
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * End:
- */
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-25 21:39:27 +0000