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/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
  48 typedef struct drm_via_ring_buffer {
  49         drm_local_map_t map;
  50         char *virtual_start;
  51 } drm_via_ring_buffer_t;
  52
  53 typedef uint32_t maskarray_t[5];
  54
  55 typedef 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
  62 typedef 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         ktime_t last_vblank;
  78         int last_vblank_valid;
  79         ktime_t nsec_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
 105 struct via_file_private {
 106         struct list_head obj_list;
 107 };
 108
 109 enum 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
 123 extern const struct drm_ioctl_desc via_ioctls[];
 124 extern int via_max_ioctl;
 125
 126 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
 127 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv);
 128 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv);
 129 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
 130 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
 131 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
 132 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
 133 extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv);
 134 extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv);
 135
 136 extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
 137 extern void via_driver_unload(struct drm_device *dev);
 138
 139 extern int via_init_context(struct drm_device *dev, int context);
 140 extern int via_final_context(struct drm_device *dev, int context);
 141
 142 extern int via_do_cleanup_map(struct drm_device *dev);
 143 extern u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 144 extern int via_enable_vblank(struct drm_device *dev, unsigned int pipe);
 145 extern void via_disable_vblank(struct drm_device *dev, unsigned int pipe);
 146
 147 extern irqreturn_t via_driver_irq_handler(int irq, void *arg);
 148 extern void via_driver_irq_preinstall(struct drm_device *dev);
 149 extern int via_driver_irq_postinstall(struct drm_device *dev);
 150 extern void via_driver_irq_uninstall(struct drm_device *dev);
 151
 152 extern int via_dma_cleanup(struct drm_device *dev);
 153 extern void via_init_command_verifier(void);
 154 extern int via_driver_dma_quiescent(struct drm_device *dev);
 155 extern void via_init_futex(drm_via_private_t *dev_priv);
 156 extern void via_cleanup_futex(drm_via_private_t *dev_priv);
 157 extern void via_release_futex(drm_via_private_t *dev_priv, int context);
 158
 159 extern void via_reclaim_buffers_locked(struct drm_device *dev,
 160                                        struct drm_file *file_priv);
 161 extern void via_lastclose(struct drm_device *dev);
 162
 163 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
 164 extern void via_init_dmablit(struct drm_device *dev);
 165
 166 #endif