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_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 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 int vram_initialized; 92 struct drm_mm vram_mm; 93 int agp_initialized; 94 struct drm_mm agp_mm; 95 /** Mapping of userspace keys to mm objects */ 96 struct idr object_idr; 97 unsigned long vram_offset; 98 unsigned long agp_offset; 99 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; 100 uint32_t dma_diff; 101 } drm_via_private_t; 102 103 enum via_family { 104 VIA_OTHER = 0, /* Baseline */ 105 VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ 106 VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ 107 }; 108 109 /* VIA MMIO register access */ 110 #define VIA_BASE ((dev_priv->mmio)) 111 112 #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg) 113 #define VIA_WRITE(reg, val) DRM_WRITE32(VIA_BASE, reg, val) 114 #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg) 115 #define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val) 116 117 extern struct drm_ioctl_desc via_ioctls[]; 118 extern int via_max_ioctl; 119 120 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 121 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); 122 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv); 123 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 124 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 125 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv); 126 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv); 127 extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv); 128 extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv); 129 130 extern int via_driver_load(struct drm_device *dev, unsigned long chipset); 131 extern int via_driver_unload(struct drm_device *dev); 132 133 extern int via_init_context(struct drm_device *dev, int context); 134 extern int via_final_context(struct drm_device *dev, int context); 135 136 extern int via_do_cleanup_map(struct drm_device *dev); 137 extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc); 138 extern int via_enable_vblank(struct drm_device *dev, int crtc); 139 extern void via_disable_vblank(struct drm_device *dev, int crtc); 140 141 extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS); 142 extern void via_driver_irq_preinstall(struct drm_device *dev); 143 extern int via_driver_irq_postinstall(struct drm_device *dev); 144 extern void via_driver_irq_uninstall(struct drm_device *dev); 145 146 extern int via_dma_cleanup(struct drm_device *dev); 147 extern void via_init_command_verifier(void); 148 extern int via_driver_dma_quiescent(struct drm_device *dev); 149 extern void via_init_futex(drm_via_private_t *dev_priv); 150 extern void via_cleanup_futex(drm_via_private_t *dev_priv); 151 extern void via_release_futex(drm_via_private_t *dev_priv, int context); 152 153 extern void via_reclaim_buffers_locked(struct drm_device *dev, 154 struct drm_file *file_priv); 155 extern void via_lastclose(struct drm_device *dev); 156 157 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq); 158 extern void via_init_dmablit(struct drm_device *dev); 159 160 #endif 161