Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/via_drv.h
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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 25 #include <sys/cdefs.h> 26 __FBSDID("$FreeBSD: releng/9.0/sys/dev/drm/via_drv.h 203288 2010-01-31 14:30:39Z rnoland $"); 27 28 #ifndef _VIA_DRV_H_ 29 #define _VIA_DRV_H_ 30 31 #include "dev/drm/drm_sman.h" 32 #define DRIVER_AUTHOR "Various" 33 34 #define DRIVER_NAME "via" 35 #define DRIVER_DESC "VIA Unichrome / Pro" 36 #define DRIVER_DATE "20070202" 37 38 #define DRIVER_MAJOR 2 39 #define DRIVER_MINOR 11 40 #define DRIVER_PATCHLEVEL 1 41 42 #include "dev/drm/via_verifier.h" 43 44 #include "dev/drm/via_dmablit.h" 45 46 #define VIA_PCI_BUF_SIZE 60000 47 #define VIA_FIRE_BUF_SIZE 1024 48 #define VIA_NUM_IRQS 4 49 50 typedef struct drm_via_ring_buffer { 51 drm_local_map_t map; 52 char *virtual_start; 53 } drm_via_ring_buffer_t; 54 55 typedef uint32_t maskarray_t[5]; 56 57 typedef struct drm_via_irq { 58 atomic_t irq_received; 59 uint32_t pending_mask; 60 uint32_t enable_mask; 61 wait_queue_head_t irq_queue; 62 } drm_via_irq_t; 63 64 typedef struct drm_via_private { 65 drm_via_sarea_t *sarea_priv; 66 drm_local_map_t *sarea; 67 drm_local_map_t *fb; 68 drm_local_map_t *mmio; 69 unsigned long agpAddr; 70 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS]; 71 char *dma_ptr; 72 unsigned int dma_low; 73 unsigned int dma_high; 74 unsigned int dma_offset; 75 uint32_t dma_wrap; 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; 87 int chipset; 88 drm_via_irq_t via_irqs[VIA_NUM_IRQS]; 89 unsigned num_irqs; 90 maskarray_t *irq_masks; 91 uint32_t irq_enable_mask; 92 uint32_t irq_pending_mask; 93 int *irq_map; 94 unsigned int idle_fault; 95 struct drm_sman sman; 96 int vram_initialized; 97 int agp_initialized; 98 unsigned long vram_offset; 99 unsigned long agp_offset; 100 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; 101 uint32_t dma_diff; 102 } drm_via_private_t; 103 104 enum via_family { 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 */ 108 }; 109 110 /* VIA MMIO register access */ 111 #define VIA_BASE ((dev_priv->mmio)) 112 113 #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) 117 118 extern struct drm_ioctl_desc via_ioctls[]; 119 extern int via_max_ioctl; 120 121 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 ); 130 131 extern int via_driver_load(struct drm_device *dev, unsigned long chipset); 132 extern int via_driver_unload(struct drm_device *dev); 133 134 extern int via_init_context(struct drm_device * dev, int context); 135 extern int via_final_context(struct drm_device * dev, int context); 136 137 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); 141 142 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); 146 147 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); 153 154 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); 157 158 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq); 159 extern void via_init_dmablit(struct drm_device *dev); 160 161 #endif
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