tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
27#define DRIVER_AUTHOR "VIA"
28
29#define DRIVER_NAME "via"
30#define DRIVER_DESC "VIA Unichrome / Pro"
31#define DRIVER_DATE "20050523"
32
33#define DRIVER_MAJOR 2
34#define DRIVER_MINOR 6
35#define DRIVER_PATCHLEVEL 3
36
37#include "via_verifier.h"
38
39#define VIA_PCI_BUF_SIZE 60000
40#define VIA_FIRE_BUF_SIZE 1024
41#define VIA_NUM_IRQS 2
42
43typedef struct drm_via_ring_buffer {
44 drm_map_t map;
45 char *virtual_start;
46} drm_via_ring_buffer_t;
47
48typedef uint32_t maskarray_t[5];
49
50typedef struct drm_via_irq {
51 atomic_t irq_received;
52 uint32_t pending_mask;
53 uint32_t enable_mask;
54 wait_queue_head_t irq_queue;
55} drm_via_irq_t;
56
57typedef struct drm_via_private {
58 drm_via_sarea_t *sarea_priv;
59 drm_map_t *sarea;
60 drm_map_t *fb;
61 drm_map_t *mmio;
62 unsigned long agpAddr;
63 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
64 char *dma_ptr;
65 unsigned int dma_low;
66 unsigned int dma_high;
67 unsigned int dma_offset;
68 uint32_t dma_wrap;
69 volatile uint32_t *last_pause_ptr;
70 volatile uint32_t *hw_addr_ptr;
71 drm_via_ring_buffer_t ring;
72 struct timeval last_vblank;
73 int last_vblank_valid;
74 unsigned usec_per_vblank;
75 drm_via_state_t hc_state;
76 char pci_buf[VIA_PCI_BUF_SIZE];
77 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
78 uint32_t num_fire_offsets;
79 int pro_group_a;
80 drm_via_irq_t via_irqs[VIA_NUM_IRQS];
81 unsigned num_irqs;
82 maskarray_t *irq_masks;
83 uint32_t irq_enable_mask;
84 uint32_t irq_pending_mask;
85} drm_via_private_t;
86
87/* VIA MMIO register access */
88#define VIA_BASE ((dev_priv->mmio))
89
90#define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
91#define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val)
92#define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
93#define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)
94
95extern int via_init_context(drm_device_t * dev, int context);
96extern int via_final_context(drm_device_t * dev, int context);
97
98extern int via_do_cleanup_map(drm_device_t * dev);
99extern int via_map_init(struct inode *inode, struct file *filp,
100 unsigned int cmd, unsigned long arg);
101extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
102
103extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
104extern void via_driver_irq_preinstall(drm_device_t * dev);
105extern void via_driver_irq_postinstall(drm_device_t * dev);
106extern void via_driver_irq_uninstall(drm_device_t * dev);
107
108extern int via_dma_cleanup(drm_device_t * dev);
109extern void via_init_command_verifier(void);
110extern int via_driver_dma_quiescent(drm_device_t * dev);
111extern void via_init_futex(drm_via_private_t * dev_priv);
112extern void via_cleanup_futex(drm_via_private_t * dev_priv);
113extern void via_release_futex(drm_via_private_t * dev_priv, int context);
114
115extern int via_parse_command_stream(drm_device_t * dev, const uint32_t * buf,
116 unsigned int size);
117
118#endif