diff options
Diffstat (limited to 'linux-core/savage_drv.h')
| -rw-r--r-- | linux-core/savage_drv.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/linux-core/savage_drv.h b/linux-core/savage_drv.h new file mode 100644 index 00000000..ebbede31 --- /dev/null +++ b/linux-core/savage_drv.h @@ -0,0 +1,167 @@ +/* savage_drv.h -- Private header for savage driver -*- linux-c -*- + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __SAVAGE_DRV_H__ +#define __SAVAGE_DRV_H__ + +typedef struct drm_savage_freelist { + unsigned int age; + drm_buf_t *buf; + struct drm_radeon_freelist *next; + struct drm_radeon_freelist *prev; +} drm_savage_freelist_t; + +typedef struct drm_savage_ring_buffer { + u32 *start; + u32 *end; + int size; + int size_l2qw; + + volatile u32 *head; + u32 tail; + u32 tail_mask; + int space; + + int high_mark; +} drm_savage_ring_buffer_t; + +typedef struct drm_savage_depth_clear_t { + u32 rb3d_cntl; + u32 rb3d_zstencilcntl; + u32 se_cntl; +} drm_savage_depth_clear_t; + + +struct mem_block { + struct mem_block *next; + struct mem_block *prev; + int start; + int size; + int pid; /* 0: free, -1: heap, other: real pids */ +}; + +typedef struct drm_savage_private { + drm_savage_ring_buffer_t ring; + drm_savage_sarea_t *sarea_priv; + + int agp_size; + u32 agp_vm_start; + unsigned long agp_buffers_offset; + + int bci_mode; + int bci_running; + + drm_savage_freelist_t *head; + drm_savage_freelist_t *tail; + int last_buf; + volatile u32 *scratch; + int writeback_works; + + int usec_timeout; + + int is_r200; + + int is_pci; + unsigned long phys_pci_gart; + dma_addr_t bus_pci_gart; + + struct { + u32 boxes; + int freelist_timeouts; + int freelist_loops; + int requested_bufs; + int last_frame_reads; + int last_clear_reads; + int clears; + int texture_uploads; + } stats; + + int do_boxes; + int page_flipping; + int current_page; + + u32 color_fmt; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + u32 depth_fmt; + unsigned int depth_offset; + unsigned int depth_pitch; + + u32 front_pitch_offset; + u32 back_pitch_offset; + u32 depth_pitch_offset; + + drm_savage_depth_clear_t depth_clear; + + drm_map_t *sarea; + drm_map_t *fb; + drm_map_t *mmio; + drm_map_t *bci_ring; + drm_map_t *ring_rptr; + drm_map_t *buffers; + drm_map_t *agp_textures; + + struct mem_block *agp_heap; + struct mem_block *fb_heap; + + /* SW interrupt */ + wait_queue_head_t swi_queue; + atomic_t swi_emitted; + +} drm_savage_private_t; + +typedef struct drm_savage_buf_priv { + u32 age; +} drm_savage_buf_priv_t; + +/* Constants */ +#define SAVAGE_MAX_USEC_TIMEOUT 100000 /* 100 ms */ + + /* savage_bci.c */ +extern int savage_bci_init( DRM_IOCTL_ARGS ); +extern int savage_bci_buffers( DRM_IOCTL_ARGS ); + +extern int savage_do_cleanup_bci( drm_device_t *dev ); + +#define SAVAGE_RING_HIGH_MARK 128 + +#define SAVAGE_BASE(reg) ((unsigned long)(dev_priv->mmio->handle)) +#define SAVAGE_ADDR(reg) (SAVAGE_BASE( reg ) + reg) + +#define SAVAGE_READ(reg) DRM_READ32( (volatile u32 *) SAVAGE_ADDR(reg) ) +#define SAVAGE_WRITE(reg,val) DRM_WRITE32( (volatile u32 *) SAVAGE_ADDR(reg), (val) ) + +#define SAVAGE_READ8(reg) DRM_READ8( (volatile u8 *) SAVAGE_ADDR(reg) ) +#define SAVAGE_WRITE8(reg,val) DRM_WRITE8( (volatile u8 *) SAVAGE_ADDR(reg), (val) ) + +#endif /* __SAVAGE_DRV_H__ */ |