via_drv.h revision 1.4.18.1
1 /* $NetBSD: via_drv.h,v 1.4.18.1 2019/06/10 22:08:28 christos Exp $ */ 2 3 /* 4 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. 5 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sub license, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * DEALINGS IN THE SOFTWARE. 25 */ 26 #ifndef _VIA_DRV_H_ 27 #define _VIA_DRV_H_ 28 29 #include <drm/drm_mm.h> 30 #include <drm/drm_legacy.h> 31 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 "via_verifier.h" 43 44 #include "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 #ifdef __NetBSD__ 59 spinlock_t irq_lock; 60 unsigned irq_received; 61 #else 62 atomic_t irq_received; 63 #endif 64 uint32_t pending_mask; 65 uint32_t enable_mask; 66 #ifdef __NetBSD__ 67 drm_waitqueue_t irq_queue; 68 #else 69 wait_queue_head_t irq_queue; 70 #endif 71 } drm_via_irq_t; 72 73 typedef struct drm_via_private { 74 drm_via_sarea_t *sarea_priv; 75 drm_local_map_t *sarea; 76 drm_local_map_t *fb; 77 drm_local_map_t *mmio; 78 unsigned long agpAddr; 79 #ifdef __NetBSD__ 80 spinlock_t decoder_lock[VIA_NR_XVMC_LOCKS]; 81 drm_waitqueue_t decoder_queue[VIA_NR_XVMC_LOCKS]; 82 #else 83 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS]; 84 #endif 85 char *dma_ptr; 86 unsigned int dma_low; 87 unsigned int dma_high; 88 unsigned int dma_offset; 89 uint32_t dma_wrap; 90 volatile uint32_t *last_pause_ptr; 91 volatile uint32_t *hw_addr_ptr; 92 drm_via_ring_buffer_t ring; 93 struct timeval last_vblank; 94 int last_vblank_valid; 95 unsigned usec_per_vblank; 96 atomic_t vbl_received; 97 drm_via_state_t hc_state; 98 char pci_buf[VIA_PCI_BUF_SIZE]; 99 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; 100 uint32_t num_fire_offsets; 101 int chipset; 102 drm_via_irq_t via_irqs[VIA_NUM_IRQS]; 103 unsigned num_irqs; 104 maskarray_t *irq_masks; 105 uint32_t irq_enable_mask; 106 uint32_t irq_pending_mask; 107 int *irq_map; 108 unsigned int idle_fault; 109 int vram_initialized; 110 struct drm_mm vram_mm; 111 int agp_initialized; 112 struct drm_mm agp_mm; 113 /** Mapping of userspace keys to mm objects */ 114 struct idr object_idr; 115 unsigned long vram_offset; 116 unsigned long agp_offset; 117 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; 118 uint32_t dma_diff; 119 } drm_via_private_t; 120 121 struct via_file_private { 122 struct list_head obj_list; 123 }; 124 125 enum via_family { 126 VIA_OTHER = 0, /* Baseline */ 127 VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ 128 VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ 129 }; 130 131 /* VIA MMIO register access */ 132 #define VIA_BASE ((dev_priv->mmio)) 133 134 #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg) 135 #define VIA_WRITE(reg, val) DRM_WRITE32(VIA_BASE, reg, val) 136 #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg) 137 #define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val) 138 139 extern const struct drm_ioctl_desc via_ioctls[]; 140 extern int via_max_ioctl; 141 142 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 143 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); 144 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv); 145 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 146 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 147 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv); 148 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv); 149 extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv); 150 extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv); 151 152 extern int via_driver_load(struct drm_device *dev, unsigned long chipset); 153 extern int via_driver_unload(struct drm_device *dev); 154 155 extern int via_init_context(struct drm_device *dev, int context); 156 extern int via_final_context(struct drm_device *dev, int context); 157 158 extern int via_do_cleanup_map(struct drm_device *dev); 159 extern u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 160 extern int via_enable_vblank(struct drm_device *dev, unsigned int pipe); 161 extern void via_disable_vblank(struct drm_device *dev, unsigned int pipe); 162 163 extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS); 164 extern void via_driver_irq_preinstall(struct drm_device *dev); 165 extern int via_driver_irq_postinstall(struct drm_device *dev); 166 extern void via_driver_irq_uninstall(struct drm_device *dev); 167 168 extern int via_dma_cleanup(struct drm_device *dev); 169 extern void via_init_command_verifier(void); 170 extern int via_driver_dma_quiescent(struct drm_device *dev); 171 extern void via_init_futex(drm_via_private_t *dev_priv); 172 extern void via_cleanup_futex(drm_via_private_t *dev_priv); 173 extern void via_release_futex(drm_via_private_t *dev_priv, int context); 174 175 extern void via_reclaim_buffers_locked(struct drm_device *dev, 176 struct drm_file *file_priv); 177 extern void via_lastclose(struct drm_device *dev); 178 179 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq); 180 extern void via_init_dmablit(struct drm_device *dev); 181 182 #endif 183
Indexes created Wed Oct 22 13:09:56 GMT 2025