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#include <drm/drm_legacy.h> 29 30#define DRIVER_AUTHOR "Various" 31 32#define DRIVER_NAME "via" 33#define DRIVER_DESC "VIA Unichrome / Pro" 34#define DRIVER_DATE "20070202" 35 36#define DRIVER_MAJOR 2 37#define DRIVER_MINOR 11 38#define DRIVER_PATCHLEVEL 1 39 40#include "via_verifier.h" 41 42#include "via_dmablit.h" 43 44#define VIA_PCI_BUF_SIZE 60000 45#define VIA_FIRE_BUF_SIZE 1024 46#define VIA_NUM_IRQS 4 47 48typedef struct drm_via_ring_buffer { 49 drm_local_map_t map; 50 char *virtual_start; 51} drm_via_ring_buffer_t; 52 53typedef uint32_t maskarray_t[5]; 54 55typedef struct drm_via_irq { 56 atomic_t irq_received; 57 uint32_t pending_mask; 58 uint32_t enable_mask; 59 wait_queue_head_t irq_queue; 60} drm_via_irq_t; 61 62typedef struct drm_via_private { 63 drm_via_sarea_t *sarea_priv; 64 drm_local_map_t *sarea; 65 drm_local_map_t *fb; 66 drm_local_map_t *mmio; 67 unsigned long agpAddr; 68 wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS]; 69 char *dma_ptr; 70 unsigned int dma_low; 71 unsigned int dma_high; 72 unsigned int dma_offset; 73 uint32_t dma_wrap; 74 volatile uint32_t *last_pause_ptr; 75 volatile uint32_t *hw_addr_ptr; 76 drm_via_ring_buffer_t ring; 77 struct timeval last_vblank; 78 int last_vblank_valid; 79 unsigned usec_per_vblank; 80 atomic_t vbl_received; 81 drm_via_state_t hc_state; 82 char pci_buf[VIA_PCI_BUF_SIZE]; 83 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; 84 uint32_t num_fire_offsets; 85 int chipset; 86 drm_via_irq_t via_irqs[VIA_NUM_IRQS]; 87 unsigned num_irqs; 88 maskarray_t *irq_masks; 89 uint32_t irq_enable_mask; 90 uint32_t irq_pending_mask; 91 int *irq_map; 92 unsigned int idle_fault; 93 int vram_initialized; 94 struct drm_mm vram_mm; 95 int agp_initialized; 96 struct drm_mm agp_mm; 97 /** Mapping of userspace keys to mm objects */ 98 struct idr object_idr; 99 unsigned long vram_offset; 100 unsigned long agp_offset; 101 drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; 102 uint32_t dma_diff; 103} drm_via_private_t; 104 105struct via_file_private { 106 struct list_head obj_list; 107}; 108 109enum via_family { 110 VIA_OTHER = 0, /* Baseline */ 111 VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ 112 VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ 113}; 114 115/* VIA MMIO register access */ 116#define VIA_BASE ((dev_priv->mmio)) 117 118#define VIA_READ(reg) DRM_READ32(VIA_BASE, reg) 119#define VIA_WRITE(reg, val) DRM_WRITE32(VIA_BASE, reg, val) 120#define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg) 121#define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val) 122 123extern const struct drm_ioctl_desc via_ioctls[]; 124extern int via_max_ioctl; 125 126extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 127extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); 128extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv); 129extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 130extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv); 131extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv); 132extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv); 133extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv); 134extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv); 135 136extern int via_driver_load(struct drm_device *dev, unsigned long chipset); 137extern int via_driver_unload(struct drm_device *dev); 138 139extern int via_init_context(struct drm_device *dev, int context); 140extern int via_final_context(struct drm_device *dev, int context); 141 142extern int via_do_cleanup_map(struct drm_device *dev); 143extern u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 144extern int via_enable_vblank(struct drm_device *dev, unsigned int pipe); 145extern void via_disable_vblank(struct drm_device *dev, unsigned int pipe); 146 147extern irqreturn_t via_driver_irq_handler(int irq, void *arg); 148extern void via_driver_irq_preinstall(struct drm_device *dev); 149extern int via_driver_irq_postinstall(struct drm_device *dev); 150extern void via_driver_irq_uninstall(struct drm_device *dev); 151 152extern int via_dma_cleanup(struct drm_device *dev); 153extern void via_init_command_verifier(void); 154extern int via_driver_dma_quiescent(struct drm_device *dev); 155extern void via_init_futex(drm_via_private_t *dev_priv); 156extern void via_cleanup_futex(drm_via_private_t *dev_priv); 157extern void via_release_futex(drm_via_private_t *dev_priv, int context); 158 159extern void via_reclaim_buffers_locked(struct drm_device *dev, 160 struct drm_file *file_priv); 161extern void via_lastclose(struct drm_device *dev); 162 163extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq); 164extern void via_init_dmablit(struct drm_device *dev); 165 166#endif 167