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 #include "drm_sman.h"
28 #define DRIVER_AUTHOR "Various"
29
30 #define DRIVER_NAME "via"
31 #define DRIVER_DESC "VIA Unichrome / Pro"
32 #define DRIVER_DATE "20070202"
33
34 #define DRIVER_MAJOR 2
35 #define DRIVER_MINOR 11
36 #define DRIVER_PATCHLEVEL 1
37
38 #include "via_verifier.h"
39
40 #include "via_dmablit.h"
41
42 #define VIA_PCI_BUF_SIZE 60000
43 #define VIA_FIRE_BUF_SIZE 1024
44 #define VIA_NUM_IRQS 4
45
46 typedef struct drm_via_ring_buffer {
47 drm_local_map_t map;
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;
59
60 typedef struct drm_via_private {
61 drm_via_sarea_t *sarea_priv;
62 drm_local_map_t *sarea;
63 drm_local_map_t *fb;
64 drm_local_map_t *mmio;
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;
75 struct timeval last_vblank;
76 int last_vblank_valid;
77 unsigned usec_per_vblank;
78 atomic_t vbl_received;
79 drm_via_state_t hc_state;
80 char pci_buf[VIA_PCI_BUF_SIZE];
81 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
82 uint32_t num_fire_offsets;
83 int chipset;
84 drm_via_irq_t via_irqs[VIA_NUM_IRQS];
85 unsigned num_irqs;
86 maskarray_t *irq_masks;
87 uint32_t irq_enable_mask;
88 uint32_t irq_pending_mask;
89 int *irq_map;
90 unsigned int idle_fault;
91 struct drm_sman sman;
92 int vram_initialized;
93 int agp_initialized;
94 unsigned long vram_offset;
95 unsigned long agp_offset;
96 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
97 uint32_t dma_diff;
98 } drm_via_private_t;
99
100 enum via_family {
101 VIA_OTHER = 0, /* Baseline */
102 VIA_PRO_GROUP_A, /* Another video engine and DMA commands */
103 VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */
104 };
105
106 /* VIA MMIO register access */
107 #define VIA_BASE ((dev_priv->mmio))
108
109 #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
110 #define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val)
111 #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
112 #define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)
113
114 extern struct drm_ioctl_desc via_ioctls[];
115 extern int via_max_ioctl;
116
117 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
118 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv);
119 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv);
120 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
121 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
122 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
123 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
124 extern int via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_priv );
125 extern int via_dma_blit( struct drm_device *dev, void *data, struct drm_file *file_priv );
126
127 extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
128 extern int via_driver_unload(struct drm_device *dev);
129
130 extern int via_init_context(struct drm_device * dev, int context);
131 extern int via_final_context(struct drm_device * dev, int context);
132
133 extern int via_do_cleanup_map(struct drm_device * dev);
134 extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc);
135 extern int via_enable_vblank(struct drm_device *dev, int crtc);
136 extern void via_disable_vblank(struct drm_device *dev, int crtc);
137
138 extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
139 extern void via_driver_irq_preinstall(struct drm_device * dev);
140 extern int via_driver_irq_postinstall(struct drm_device *dev);
141 extern void via_driver_irq_uninstall(struct drm_device * dev);
142
143 extern int via_dma_cleanup(struct drm_device * dev);
144 extern void via_init_command_verifier(void);
145 extern int via_driver_dma_quiescent(struct drm_device * dev);
146 extern void via_init_futex(drm_via_private_t *dev_priv);
147 extern void via_cleanup_futex(drm_via_private_t *dev_priv);
148 extern void via_release_futex(drm_via_private_t *dev_priv, int context);
149
150 extern void via_reclaim_buffers_locked(struct drm_device *dev,
151 struct drm_file *file_priv);
152 extern void via_lastclose(struct drm_device *dev);
153
154 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
155 extern void via_init_dmablit(struct drm_device *dev);
156
157 #endif
158
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