aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/drm/via_drv.h
blob: cfc20a06707e0a91d900c656b03a8d96cb132d5c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/*
 * 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		"20060529"

#define DRIVER_MAJOR		2
#define DRIVER_MINOR		10
#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