[net-next-2.6.git] / drivers / char / drm / via_drv.h

/*
 * 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_DRV_H_
#define _VIA_DRV_H_

#include "drm_sman.h"
#define DRIVER_AUTHOR	"Various"

#define DRIVER_NAME		"via"
#define DRIVER_DESC		"VIA Unichrome / Pro"
#define DRIVER_DATE		"20061227"

#define DRIVER_MAJOR		2
#define DRIVER_MINOR		11
#define DRIVER_PATCHLEVEL	0

#include "via_verifier.h"

#include "via_dmablit.h"

#define VIA_PCI_BUF_SIZE 60000
#define VIA_FIRE_BUF_SIZE  1024
#define VIA_NUM_IRQS 4

typedef struct drm_via_ring_buffer {
	drm_local_map_t map;
	char *virtual_start;
} drm_via_ring_buffer_t;

typedef uint32_t maskarray_t[5];

typedef struct drm_via_irq {
	atomic_t irq_received;
	uint32_t pending_mask;
	uint32_t enable_mask;
	wait_queue_head_t irq_queue;
} drm_via_irq_t;

typedef struct drm_via_private {
	drm_via_sarea_t *sarea_priv;
	drm_local_map_t *sarea;
	drm_local_map_t *fb;
	drm_local_map_t *mmio;
	unsigned long agpAddr;
	wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
	char *dma_ptr;
	unsigned int dma_low;
	unsigned int dma_high;
	unsigned int dma_offset;
	uint32_t dma_wrap;
	volatile uint32_t *last_pause_ptr;
	volatile uint32_t *hw_addr_ptr;
	drm_via_ring_buffer_t ring;
	struct timeval last_vblank;
	int last_vblank_valid;
	unsigned usec_per_vblank;
	drm_via_state_t hc_state;
	char pci_buf[VIA_PCI_BUF_SIZE];
	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
	uint32_t num_fire_offsets;
	int chipset;
	drm_via_irq_t via_irqs[VIA_NUM_IRQS];
	unsigned num_irqs;
	maskarray_t *irq_masks;
	uint32_t irq_enable_mask;
	uint32_t irq_pending_mask;
	int *irq_map;
	unsigned int idle_fault;
	drm_sman_t sman;
	int vram_initialized;
	int agp_initialized;
	unsigned long vram_offset;
	unsigned long agp_offset;
	drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
} drm_via_private_t;

enum via_family {
  VIA_OTHER = 0,     /* Baseline */
  VIA_PRO_GROUP_A,   /* Another video engine and DMA commands */
  VIA_DX9_0          /* Same video as pro_group_a, but 3D is unsupported */
};

/* VIA MMIO register access */
#define VIA_BASE ((dev_priv->mmio))

#define VIA_READ(reg)		DRM_READ32(VIA_BASE, reg)
#define VIA_WRITE(reg,val)	DRM_WRITE32(VIA_BASE, reg, val)
#define VIA_READ8(reg)		DRM_READ8(VIA_BASE, reg)
#define VIA_WRITE8(reg,val)	DRM_WRITE8(VIA_BASE, reg, val)

extern drm_ioctl_desc_t via_ioctls[];
extern int via_max_ioctl;

extern int via_fb_init(DRM_IOCTL_ARGS);
extern int via_mem_alloc(DRM_IOCTL_ARGS);
extern int via_mem_free(DRM_IOCTL_ARGS);
extern int via_agp_init(DRM_IOCTL_ARGS);
extern int via_map_init(DRM_IOCTL_ARGS);
extern int via_decoder_futex(DRM_IOCTL_ARGS);
extern int via_wait_irq(DRM_IOCTL_ARGS);
extern int via_dma_blit_sync( DRM_IOCTL_ARGS );
extern int via_dma_blit( DRM_IOCTL_ARGS );

extern int via_driver_load(drm_device_t *dev, unsigned long chipset);
extern int via_driver_unload(drm_device_t *dev);

extern int via_init_context(drm_device_t * dev, int context);
extern int via_final_context(drm_device_t * dev, int context);

extern int via_do_cleanup_map(drm_device_t * dev);
extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);

extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
extern void via_driver_irq_preinstall(drm_device_t * dev);
extern void via_driver_irq_postinstall(drm_device_t * dev);
extern void via_driver_irq_uninstall(drm_device_t * dev);

extern int via_dma_cleanup(drm_device_t * dev);
extern void via_init_command_verifier(void);
extern int via_driver_dma_quiescent(drm_device_t * dev);
extern void via_init_futex(drm_via_private_t * dev_priv);
extern void via_cleanup_futex(drm_via_private_t * dev_priv);
extern void via_release_futex(drm_via_private_t * dev_priv, int context);

extern void via_reclaim_buffers_locked(drm_device_t *dev, struct file *filp);
extern void via_lastclose(drm_device_t *dev);

extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq);
extern void via_init_dmablit(drm_device_t *dev);

#endif
Commit	Line	Data
22f579c6 DA	1	/*
	2	* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
	3	* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sub license,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice (including the
	13	* next paragraph) shall be included in all copies or substantial portions
	14	* of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	19	* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	20	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	21	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	22	* DEALINGS IN THE SOFTWARE.
	23	*/
	24	#ifndef _VIA_DRV_H_
	25	#define _VIA_DRV_H_
	26
ce65a44d	27	#include "drm_sman.h"
92514243	28	#define DRIVER_AUTHOR "Various"
22f579c6 DA	29
	30	#define DRIVER_NAME "via"
	31	#define DRIVER_DESC "VIA Unichrome / Pro"
9b8d9d0e	32	#define DRIVER_DATE "20061227"
22f579c6 DA	33
22f579c6 DA	34	#define DRIVER_MAJOR 2
9b8d9d0e	35	#define DRIVER_MINOR 11
ce65a44d	36	#define DRIVER_PATCHLEVEL 0
22f579c6 DA	37
	38	#include "via_verifier.h"
	39
92514243 DA	40	#include "via_dmablit.h"
92514243 DA	41
22f579c6 DA	42	#define VIA_PCI_BUF_SIZE 60000
22f579c6 DA	43	#define VIA_FIRE_BUF_SIZE 1024
92514243	44	#define VIA_NUM_IRQS 4
22f579c6	45
22f579c6	46	typedef struct drm_via_ring_buffer {
92514243	47	drm_local_map_t map;
22f579c6 DA	48	char *virtual_start;
	49	} drm_via_ring_buffer_t;
	50
	51	typedef uint32_t maskarray_t[5];
	52
	53	typedef struct drm_via_irq {
	54	atomic_t irq_received;
	55	uint32_t pending_mask;
	56	uint32_t enable_mask;
	57	wait_queue_head_t irq_queue;
	58	} drm_via_irq_t;
b5e89ed5	59
22f579c6 DA	60	typedef struct drm_via_private {
22f579c6 DA	61	drm_via_sarea_t *sarea_priv;
92514243 DA	62	drm_local_map_t *sarea;
	63	drm_local_map_t *fb;
	64	drm_local_map_t *mmio;
22f579c6 DA	65	unsigned long agpAddr;
	66	wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
	67	char *dma_ptr;
	68	unsigned int dma_low;
	69	unsigned int dma_high;
	70	unsigned int dma_offset;
	71	uint32_t dma_wrap;
	72	volatile uint32_t *last_pause_ptr;
	73	volatile uint32_t *hw_addr_ptr;
	74	drm_via_ring_buffer_t ring;
b5e89ed5 DA	75	struct timeval last_vblank;
	76	int last_vblank_valid;
	77	unsigned usec_per_vblank;
22f579c6 DA	78	drm_via_state_t hc_state;
	79	char pci_buf[VIA_PCI_BUF_SIZE];
	80	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
	81	uint32_t num_fire_offsets;
689692e7	82	int chipset;
22f579c6 DA	83	drm_via_irq_t via_irqs[VIA_NUM_IRQS];
	84	unsigned num_irqs;
	85	maskarray_t *irq_masks;
b5e89ed5 DA	86	uint32_t irq_enable_mask;
b5e89ed5 DA	87	uint32_t irq_pending_mask;
92514243	88	int *irq_map;
ce65a44d TH	89	unsigned int idle_fault;
	90	drm_sman_t sman;
	91	int vram_initialized;
	92	int agp_initialized;
	93	unsigned long vram_offset;
	94	unsigned long agp_offset;
92514243	95	drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
22f579c6 DA	96	} drm_via_private_t;
22f579c6 DA	97
92514243	98	enum via_family {
689692e7 TH	99	VIA_OTHER = 0, /* Baseline */
	100	VIA_PRO_GROUP_A, /* Another video engine and DMA commands */
	101	VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */
92514243 DA	102	};
92514243 DA	103
22f579c6 DA	104	/* VIA MMIO register access */
	105	#define VIA_BASE ((dev_priv->mmio))
	106
	107	#define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
	108	#define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val)
	109	#define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
	110	#define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)
	111
92514243 DA	112	extern drm_ioctl_desc_t via_ioctls[];
	113	extern int via_max_ioctl;
	114
	115	extern int via_fb_init(DRM_IOCTL_ARGS);
	116	extern int via_mem_alloc(DRM_IOCTL_ARGS);
	117	extern int via_mem_free(DRM_IOCTL_ARGS);
	118	extern int via_agp_init(DRM_IOCTL_ARGS);
	119	extern int via_map_init(DRM_IOCTL_ARGS);
	120	extern int via_decoder_futex(DRM_IOCTL_ARGS);
92514243 DA	121	extern int via_wait_irq(DRM_IOCTL_ARGS);
	122	extern int via_dma_blit_sync( DRM_IOCTL_ARGS );
	123	extern int via_dma_blit( DRM_IOCTL_ARGS );
	124
	125	extern int via_driver_load(drm_device_t *dev, unsigned long chipset);
	126	extern int via_driver_unload(drm_device_t *dev);
	127
22f579c6 DA	128	extern int via_init_context(drm_device_t * dev, int context);
	129	extern int via_final_context(drm_device_t * dev, int context);
	130
	131	extern int via_do_cleanup_map(drm_device_t * dev);
22f579c6 DA	132	extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
	133
	134	extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
	135	extern void via_driver_irq_preinstall(drm_device_t * dev);
	136	extern void via_driver_irq_postinstall(drm_device_t * dev);
	137	extern void via_driver_irq_uninstall(drm_device_t * dev);
	138
	139	extern int via_dma_cleanup(drm_device_t * dev);
	140	extern void via_init_command_verifier(void);
	141	extern int via_driver_dma_quiescent(drm_device_t * dev);
b5e89ed5 DA	142	extern void via_init_futex(drm_via_private_t * dev_priv);
	143	extern void via_cleanup_futex(drm_via_private_t * dev_priv);
	144	extern void via_release_futex(drm_via_private_t * dev_priv, int context);
22f579c6	145
ce65a44d TH	146	extern void via_reclaim_buffers_locked(drm_device_t dev, struct file filp);
	147	extern void via_lastclose(drm_device_t *dev);
	148
92514243 DA	149	extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq);
92514243 DA	150	extern void via_init_dmablit(drm_device_t *dev);
b3a83639	151
22f579c6	152	#endif