2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
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:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
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.
27 #define DRIVER_AUTHOR "VIA"
29 #define DRIVER_NAME "via"
30 #define DRIVER_DESC "VIA Unichrome / Pro"
31 #define DRIVER_DATE "20050814"
33 #define DRIVER_MAJOR 2
34 #define DRIVER_MINOR 6
35 #define DRIVER_PATCHLEVEL 7
37 #include "via_verifier.h"
39 #define VIA_PCI_BUF_SIZE 60000
40 #define VIA_FIRE_BUF_SIZE 1024
41 #define VIA_NUM_IRQS 2
45 typedef struct drm_via_ring_buffer {
48 } drm_via_ring_buffer_t;
50 typedef uint32_t maskarray_t[5];
52 typedef struct drm_via_irq {
53 atomic_t irq_received;
54 uint32_t pending_mask;
56 wait_queue_head_t irq_queue;
59 typedef struct drm_via_private {
60 drm_via_sarea_t *sarea_priv;
64 unsigned long agpAddr;
65 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
68 unsigned int dma_high;
69 unsigned int dma_offset;
71 volatile uint32_t *last_pause_ptr;
72 volatile uint32_t *hw_addr_ptr;
73 drm_via_ring_buffer_t ring;
74 struct timeval last_vblank;
75 int last_vblank_valid;
76 unsigned usec_per_vblank;
77 drm_via_state_t hc_state;
78 char pci_buf[VIA_PCI_BUF_SIZE];
79 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
80 uint32_t num_fire_offsets;
82 drm_via_irq_t via_irqs[VIA_NUM_IRQS];
84 maskarray_t *irq_masks;
85 uint32_t irq_enable_mask;
86 uint32_t irq_pending_mask;
89 /* VIA MMIO register access */
90 #define VIA_BASE ((dev_priv->mmio))
92 #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
93 #define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val)
94 #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
95 #define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)
97 extern int via_init_context(drm_device_t * dev, int context);
98 extern int via_final_context(drm_device_t * dev, int context);
100 extern int via_do_cleanup_map(drm_device_t * dev);
101 extern int via_map_init(struct inode *inode, struct file *filp,
102 unsigned int cmd, unsigned long arg);
103 extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
105 extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
106 extern void via_driver_irq_preinstall(drm_device_t * dev);
107 extern void via_driver_irq_postinstall(drm_device_t * dev);
108 extern void via_driver_irq_uninstall(drm_device_t * dev);
110 extern int via_dma_cleanup(drm_device_t * dev);
111 extern void via_init_command_verifier(void);
112 extern int via_driver_dma_quiescent(drm_device_t * dev);
113 extern void via_init_futex(drm_via_private_t *dev_priv);
114 extern void via_cleanup_futex(drm_via_private_t *dev_priv);
115 extern void via_release_futex(drm_via_private_t *dev_priv, int context);