/*

 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.

 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sub license,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL

 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 */

#ifndef _VIA_DRM_H_

#define _VIA_DRM_H_

#include "drm.h"

#if defined(__cplusplus)

extern "C" {

#endif

/* WARNING: These defines must be the same as what the Xserver uses.

 * if you change them, you must change the defines in the Xserver.

 */

#ifndef _VIA_DEFINES_

#define _VIA_DEFINES_

#include "via_drmclient.h"

#define VIA_NR_SAREA_CLIPRECTS		8

#define VIA_NR_XVMC_PORTS               10

#define VIA_NR_XVMC_LOCKS               5

#define VIA_MAX_CACHELINE_SIZE          64

#define XVMCLOCKPTR(saPriv,lockNo)					\

	((__volatile__ struct drm_hw_lock *)(((((unsigned long) (saPriv)->XvMCLockArea) + \

				      (VIA_MAX_CACHELINE_SIZE - 1)) &	\

				     ~(VIA_MAX_CACHELINE_SIZE - 1)) +	\

				    VIA_MAX_CACHELINE_SIZE*(lockNo)))

/* Each region is a minimum of 64k, and there are at most 64 of them.

 */

#define VIA_NR_TEX_REGIONS 64

#define VIA_LOG_MIN_TEX_REGION_SIZE 16

#endif

#define VIA_UPLOAD_TEX0IMAGE  0x1	/* handled clientside */

#define VIA_UPLOAD_TEX1IMAGE  0x2	/* handled clientside */

#define VIA_UPLOAD_CTX        0x4

#define VIA_UPLOAD_BUFFERS    0x8

#define VIA_UPLOAD_TEX0       0x10

#define VIA_UPLOAD_TEX1       0x20

#define VIA_UPLOAD_CLIPRECTS  0x40

#define VIA_UPLOAD_ALL        0xff

/* VIA specific ioctls */

#define DRM_VIA_ALLOCMEM	0x00

#define DRM_VIA_FREEMEM	        0x01

#define DRM_VIA_AGP_INIT	0x02

#define DRM_VIA_FB_INIT	        0x03

#define DRM_VIA_MAP_INIT	0x04

#define DRM_VIA_DEC_FUTEX       0x05

#define NOT_USED

#define DRM_VIA_DMA_INIT	0x07

#define DRM_VIA_CMDBUFFER	0x08

#define DRM_VIA_FLUSH	        0x09

#define DRM_VIA_PCICMD	        0x0a

#define DRM_VIA_CMDBUF_SIZE	0x0b

#define NOT_USED

#define DRM_VIA_WAIT_IRQ        0x0d

#define DRM_VIA_DMA_BLIT        0x0e

#define DRM_VIA_BLIT_SYNC       0x0f

#define DRM_IOCTL_VIA_ALLOCMEM	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)

#define DRM_IOCTL_VIA_FREEMEM	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t)

#define DRM_IOCTL_VIA_AGP_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t)

#define DRM_IOCTL_VIA_FB_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t)

#define DRM_IOCTL_VIA_MAP_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t)

#define DRM_IOCTL_VIA_DEC_FUTEX   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t)

#define DRM_IOCTL_VIA_DMA_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t)

#define DRM_IOCTL_VIA_CMDBUFFER	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t)

#define DRM_IOCTL_VIA_FLUSH	  DRM_IO(  DRM_COMMAND_BASE + DRM_VIA_FLUSH)

#define DRM_IOCTL_VIA_PCICMD	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t)

#define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \

					    drm_via_cmdbuf_size_t)

#define DRM_IOCTL_VIA_WAIT_IRQ    DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t)

#define DRM_IOCTL_VIA_DMA_BLIT    DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t)

#define DRM_IOCTL_VIA_BLIT_SYNC   DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t)

/* Indices into buf.Setup where various bits of state are mirrored per

 * context and per buffer.  These can be fired at the card as a unit,

 * or in a piecewise fashion as required.

 */

#define VIA_TEX_SETUP_SIZE 8

/* Flags for clear ioctl

 */

#define VIA_FRONT   0x1

#define VIA_BACK    0x2

#define VIA_DEPTH   0x4

#define VIA_STENCIL 0x8

#define VIA_MEM_VIDEO   0	/* matches drm constant */

#define VIA_MEM_AGP     1	/* matches drm constant */

#define VIA_MEM_SYSTEM  2

#define VIA_MEM_MIXED   3

#define VIA_MEM_UNKNOWN 4

typedef struct {

	__u32 offset;

	__u32 size;

} drm_via_agp_t;

typedef struct {

	__u32 offset;

	__u32 size;

} drm_via_fb_t;

typedef struct {

	__u32 context;

	__u32 type;

	__u32 size;

	unsigned long index;

	unsigned long offset;

} drm_via_mem_t;

typedef struct _drm_via_init {

	enum {

		VIA_INIT_MAP = 0x01,

		VIA_CLEANUP_MAP = 0x02

	} func;

	unsigned long sarea_priv_offset;

	unsigned long fb_offset;

	unsigned long mmio_offset;

	unsigned long agpAddr;

} drm_via_init_t;

typedef struct _drm_via_futex {

	enum {

		VIA_FUTEX_WAIT = 0x00,

		VIA_FUTEX_WAKE = 0X01

	} func;

	__u32 ms;

	__u32 lock;

	__u32 val;

} drm_via_futex_t;

typedef struct _drm_via_dma_init {

	enum {

		VIA_INIT_DMA = 0x01,

		VIA_CLEANUP_DMA = 0x02,

		VIA_DMA_INITIALIZED = 0x03

	} func;

	unsigned long offset;

	unsigned long size;

	unsigned long reg_pause_addr;

} drm_via_dma_init_t;

typedef struct _drm_via_cmdbuffer {

	char *buf;

	unsigned long size;

} drm_via_cmdbuffer_t;

/* Warning: If you change the SAREA structure you must change the Xserver

 * structure as well */

typedef struct _drm_via_tex_region {

	unsigned char next, prev;	/* indices to form a circular LRU  */

	unsigned char inUse;	/* owned by a client, or free? */

	int age;		/* tracked by clients to update local LRU's */

} drm_via_tex_region_t;

typedef struct _drm_via_sarea {

	unsigned int dirty;

	unsigned int nbox;

	struct drm_clip_rect boxes[VIA_NR_SAREA_CLIPRECTS];

	drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1];

	int texAge;		/* last time texture was uploaded */

	int ctxOwner;		/* last context to upload state */

	int vertexPrim;

	/*

	 * Below is for XvMC.

	 * We want the lock integers alone on, and aligned to, a cache line.

	 * Therefore this somewhat strange construct.

	 */

	char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)];

	unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS];

	unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS];

	unsigned int XvMCCtxNoGrabbed;	/* Last context to hold decoder */

	/* Used by the 3d driver only at this point, for pageflipping:

	 */

	unsigned int pfCurrentOffset;

} drm_via_sarea_t;

typedef struct _drm_via_cmdbuf_size {

	enum {

		VIA_CMDBUF_SPACE = 0x01,

		VIA_CMDBUF_LAG = 0x02

	} func;

	int wait;

	__u32 size;

} drm_via_cmdbuf_size_t;

typedef enum {

	VIA_IRQ_ABSOLUTE = 0x0,

	VIA_IRQ_RELATIVE = 0x1,

	VIA_IRQ_SIGNAL = 0x10000000,

	VIA_IRQ_FORCE_SEQUENCE = 0x20000000

} via_irq_seq_type_t;

#define VIA_IRQ_FLAGS_MASK 0xF0000000

enum drm_via_irqs {

	drm_via_irq_hqv0 = 0,

	drm_via_irq_hqv1,

	drm_via_irq_dma0_dd,

	drm_via_irq_dma0_td,

	drm_via_irq_dma1_dd,

	drm_via_irq_dma1_td,

	drm_via_irq_num

};

struct drm_via_wait_irq_request {

	unsigned irq;

	via_irq_seq_type_t type;

	__u32 sequence;

	__u32 signal;

};

typedef union drm_via_irqwait {

	struct drm_via_wait_irq_request request;

	struct drm_wait_vblank_reply reply;

} drm_via_irqwait_t;

typedef struct drm_via_blitsync {

	__u32 sync_handle;

	unsigned engine;

} drm_via_blitsync_t;

/* - * Below,"flags" is currently unused but will be used for possible future

 * extensions like kernel space bounce buffers for bad alignments and

 * blit engine busy-wait polling for better latency in the absence of

 * interrupts.

 */

typedef struct drm_via_dmablit {

	__u32 num_lines;

	__u32 line_length;

	__u32 fb_addr;

	__u32 fb_stride;

	unsigned char *mem_addr;

	__u32 mem_stride;

	__u32 flags;

	int to_fb;

	drm_via_blitsync_t sync;

} drm_via_dmablit_t;

#if defined(__cplusplus)

}

#endif

#endif				/* _VIA_DRM_H_ */