via_drv.h revision 1.1.1.2.2.1
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/drm_mm.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 #ifdef __NetBSD__ 55 spinlock_t irq_lock; 56 unsigned irq_received; 57 #else 58 atomic_t irq_received; 59 #endif 60 uint32_t pending_mask; 61 uint32_t enable_mask; 62 #ifdef __NetBSD__ 63 drm_waitqueue_t irq_queue; 64 #else 65 wait_queue_head_t irq_queue; 66 #endif 67 } drm_via_irq_t; 68 69 typedef struct drm_via_private { 70 drm_via_sarea_t *sarea_priv; 71 drm_local_map_t *sarea; 72 drm_local_map_t *fb; 73 drm_local_map_t *mmio; 74 unsigned long agpAddr; 75 #ifdef __NetBSD__ 76 struct mutex decoder_lock[VIA_NR_XVMC_LOCKS]; 77 drm_waitqueue_t decoder_queue[VIA_NR_XVMC_LOCKS]; 78 #else 79 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS]; 80 #endif 81 char *dma_ptr; 82 unsigned int dma_low; 83 unsigned int dma_high; 84 unsigned int dma_offset; 85 uint32_t dma_wrap; 86 volatile uint32_t *last_pause_ptr; 87 volatile uint32_t *hw_addr_ptr; 88 drm_via_ring_buffer_t ring; 89 struct timeval last_vblank; 90 int last_vblank_valid; 91 unsigned usec_per_vblank; 92 atomic_t vbl_received; 93 drm_via_state_t hc_state; 94 char pci_buf[VIA_PCI_BUF_SIZE]; 95 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; 96 uint32_t num_fire_offsets; 97 int chipset; 98 drm_via_irq_t via_irqs[VIA_NUM_IRQS]; 99 unsigned num_irqs; 100 maskarray_t *irq_masks; 101 uint32_t irq_enable_mask; 102 uint32_t irq_pending_mask; 103 int *irq_map; 104 unsigned int idle_fault; 105 int vram_initialized; 106 struct drm_mm vram_mm; 107 int agp_initialized; 108 struct drm_mm agp_mm; 109 /** Mapping of userspace keys to mm objects */ 110 struct idr object_idr; 111 unsigned long vram_offset; 112 unsigned long agp_offset; 113 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; 114 uint32_t dma_diff; 115 } drm_via_private_t; 116 117 enum via_family { 118 VIA_OTHER = 0, /* Baseline */ 119 VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ 120 VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ 121 }; 122 123 /* VIA MMIO register access */ 124 #define VIA_BASE ((dev_priv->mmio)) 125 126 #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg) 127 #define VIA_WRITE(reg, val) DRM_WRITE32(VIA_BASE, reg, val) 128 #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg) 129 #define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val) 130 131 extern const struct drm_ioctl_desc via_ioctls[]; 132 extern int via_max_ioctl; 133 134 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 135 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); 136 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv); 137 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 138 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 139 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv); 140 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv); 141 extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv); 142 extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv); 143 144 extern int via_driver_load(struct drm_device *dev, unsigned long chipset); 145 extern int via_driver_unload(struct drm_device *dev); 146 147 extern int via_init_context(struct drm_device *dev, int context); 148 extern int via_final_context(struct drm_device *dev, int context); 149 150 extern int via_do_cleanup_map(struct drm_device *dev); 151 extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc); 152 extern int via_enable_vblank(struct drm_device *dev, int crtc); 153 extern void via_disable_vblank(struct drm_device *dev, int crtc); 154 155 extern irqreturn_t via_driver_irq_handler(int irq, void *arg); 156 extern void via_driver_irq_preinstall(struct drm_device *dev); 157 extern int via_driver_irq_postinstall(struct drm_device *dev); 158 extern void via_driver_irq_uninstall(struct drm_device *dev); 159 160 extern int via_dma_cleanup(struct drm_device *dev); 161 extern void via_init_command_verifier(void); 162 extern int via_driver_dma_quiescent(struct drm_device *dev); 163 extern void via_init_futex(drm_via_private_t *dev_priv); 164 extern void via_cleanup_futex(drm_via_private_t *dev_priv); 165 extern void via_release_futex(drm_via_private_t *dev_priv, int context); 166 167 extern void via_reclaim_buffers_locked(struct drm_device *dev, 168 struct drm_file *file_priv); 169 extern void via_lastclose(struct drm_device *dev); 170 171 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq); 172 extern void via_init_dmablit(struct drm_device *dev); 173 174 #endif 175
Indexes created Wed Oct 22 06:10:02 GMT 2025