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.
25 #include <sys/cdefs.h>
26 __FBSDID("$FreeBSD$");
31 #include "dev/drm/drm_sman.h"
32 #define DRIVER_AUTHOR "Various"
34 #define DRIVER_NAME "via"
35 #define DRIVER_DESC "VIA Unichrome / Pro"
36 #define DRIVER_DATE "20070202"
38 #define DRIVER_MAJOR 2
39 #define DRIVER_MINOR 11
40 #define DRIVER_PATCHLEVEL 1
42 #include "dev/drm/via_verifier.h"
44 #include "dev/drm/via_dmablit.h"
46 #define VIA_PCI_BUF_SIZE 60000
47 #define VIA_FIRE_BUF_SIZE 1024
48 #define VIA_NUM_IRQS 4
50 typedef struct drm_via_ring_buffer {
53 } drm_via_ring_buffer_t;
55 typedef uint32_t maskarray_t[5];
57 typedef struct drm_via_irq {
58 atomic_t irq_received;
59 uint32_t pending_mask;
61 wait_queue_head_t irq_queue;
64 typedef struct drm_via_private {
65 drm_via_sarea_t *sarea_priv;
66 drm_local_map_t *sarea;
68 drm_local_map_t *mmio;
69 unsigned long agpAddr;
70 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
73 unsigned int dma_high;
74 unsigned int dma_offset;
76 volatile uint32_t *last_pause_ptr;
77 volatile uint32_t *hw_addr_ptr;
78 drm_via_ring_buffer_t ring;
79 struct timeval last_vblank;
80 int last_vblank_valid;
81 unsigned usec_per_vblank;
82 atomic_t vbl_received;
83 drm_via_state_t hc_state;
84 char pci_buf[VIA_PCI_BUF_SIZE];
85 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
86 uint32_t num_fire_offsets;
88 drm_via_irq_t via_irqs[VIA_NUM_IRQS];
90 maskarray_t *irq_masks;
91 uint32_t irq_enable_mask;
92 uint32_t irq_pending_mask;
94 unsigned int idle_fault;
98 unsigned long vram_offset;
99 unsigned long agp_offset;
100 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
105 VIA_OTHER = 0, /* Baseline */
106 VIA_PRO_GROUP_A, /* Another video engine and DMA commands */
107 VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */
110 /* VIA MMIO register access */
111 #define VIA_BASE ((dev_priv->mmio))
113 #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
114 #define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val)
115 #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
116 #define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val)
118 extern struct drm_ioctl_desc via_ioctls[];
119 extern int via_max_ioctl;
121 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
122 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv);
123 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv);
124 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
125 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
126 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
127 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
128 extern int via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_priv );
129 extern int via_dma_blit( struct drm_device *dev, void *data, struct drm_file *file_priv );
131 extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
132 extern int via_driver_unload(struct drm_device *dev);
134 extern int via_init_context(struct drm_device * dev, int context);
135 extern int via_final_context(struct drm_device * dev, int context);
137 extern int via_do_cleanup_map(struct drm_device * dev);
138 extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc);
139 extern int via_enable_vblank(struct drm_device *dev, int crtc);
140 extern void via_disable_vblank(struct drm_device *dev, int crtc);
142 extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
143 extern void via_driver_irq_preinstall(struct drm_device * dev);
144 extern int via_driver_irq_postinstall(struct drm_device *dev);
145 extern void via_driver_irq_uninstall(struct drm_device * dev);
147 extern int via_dma_cleanup(struct drm_device * dev);
148 extern void via_init_command_verifier(void);
149 extern int via_driver_dma_quiescent(struct drm_device * dev);
150 extern void via_init_futex(drm_via_private_t *dev_priv);
151 extern void via_cleanup_futex(drm_via_private_t *dev_priv);
152 extern void via_release_futex(drm_via_private_t *dev_priv, int context);
154 extern void via_reclaim_buffers_locked(struct drm_device *dev,
155 struct drm_file *file_priv);
156 extern void via_lastclose(struct drm_device *dev);
158 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
159 extern void via_init_dmablit(struct drm_device *dev);