release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/gpu/drm/via/via_drv.h

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