| /* |
| * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. |
| * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license, |
| * 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * VIA, S3 GRAPHICS, 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. |
| */ |
| #ifndef _VIA_DRV_H_ |
| #define _VIA_DRV_H_ |
| |
| #include "drm_sman.h" |
| #define DRIVER_AUTHOR "Various" |
| |
| #define DRIVER_NAME "via" |
| #define DRIVER_DESC "VIA Unichrome / Pro" |
| |
| #include "via_verifier.h" |
| |
| /* |
| * Registers go here. |
| */ |
| |
| |
| #define CMDBUF_ALIGNMENT_SIZE (0x100) |
| #define CMDBUF_ALIGNMENT_MASK (0x0ff) |
| |
| /* defines for VIA 3D registers */ |
| #define VIA_REG_STATUS 0x400 |
| #define VIA_REG_TRANSET 0x43C |
| #define VIA_REG_TRANSPACE 0x440 |
| |
| /* VIA_REG_STATUS(0x400): Engine Status */ |
| #define VIA_CMD_RGTR_BUSY 0x00000080 /* Command Regulator is busy */ |
| #define VIA_2D_ENG_BUSY 0x00000001 /* 2D Engine is busy */ |
| #define VIA_3D_ENG_BUSY 0x00000002 /* 3D Engine is busy */ |
| #define VIA_VR_QUEUE_BUSY 0x00020000 /* Virtual Queue is busy */ |
| |
| |
| |
| #if defined(__linux__) |
| #include "via_dmablit.h" |
| |
| /* |
| * This define and all its references can be removed when |
| * the DMA blit code has been implemented for FreeBSD. |
| */ |
| #define VIA_HAVE_DMABLIT 1 |
| #define VIA_HAVE_CORE_MM 1 |
| #define VIA_HAVE_FENCE 1 |
| #define VIA_HAVE_BUFFER 1 |
| #endif |
| |
| #define VIA_PCI_BUF_SIZE 60000 |
| #define VIA_FIRE_BUF_SIZE 1024 |
| #define VIA_NUM_IRQS 4 |
| |
| typedef struct drm_via_ring_buffer { |
| drm_local_map_t map; |
| char *virtual_start; |
| } drm_via_ring_buffer_t; |
| |
| typedef uint32_t maskarray_t[5]; |
| |
| typedef struct drm_via_irq { |
| atomic_t irq_received; |
| uint32_t pending_mask; |
| uint32_t enable_mask; |
| wait_queue_head_t irq_queue; |
| } drm_via_irq_t; |
| |
| typedef struct drm_via_private { |
| drm_via_sarea_t *sarea_priv; |
| drm_local_map_t *sarea; |
| drm_local_map_t *fb; |
| drm_local_map_t *mmio; |
| unsigned long agpAddr; |
| wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS]; |
| char *dma_ptr; |
| unsigned int dma_low; |
| unsigned int dma_high; |
| unsigned int dma_offset; |
| uint32_t dma_wrap; |
| volatile uint32_t *last_pause_ptr; |
| volatile uint32_t *hw_addr_ptr; |
| drm_via_ring_buffer_t ring; |
| struct timeval last_vblank; |
| int last_vblank_valid; |
| unsigned usec_per_vblank; |
| drm_via_state_t hc_state; |
| char pci_buf[VIA_PCI_BUF_SIZE]; |
| const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; |
| uint32_t num_fire_offsets; |
| int chipset; |
| drm_via_irq_t via_irqs[VIA_NUM_IRQS]; |
| unsigned num_irqs; |
| maskarray_t *irq_masks; |
| uint32_t irq_enable_mask; |
| uint32_t irq_pending_mask; |
| int *irq_map; |
| /* Memory manager stuff */ |
| #ifdef VIA_HAVE_CORE_MM |
| unsigned int idle_fault; |
| drm_sman_t sman; |
| int vram_initialized; |
| int agp_initialized; |
| unsigned long vram_offset; |
| unsigned long agp_offset; |
| #endif |
| #ifdef VIA_HAVE_DMABLIT |
| drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; |
| #endif |
| uint32_t dma_diff; |
| #ifdef VIA_HAVE_FENCE |
| spinlock_t fence_lock; |
| uint32_t emit_0_sequence; |
| int have_idlelock; |
| struct timer_list fence_timer; |
| #endif |
| } drm_via_private_t; |
| |
| enum via_family { |
| VIA_OTHER = 0, /* Baseline */ |
| VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ |
| VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ |
| }; |
| |
| /* VIA MMIO register access */ |
| #define VIA_BASE ((dev_priv->mmio)) |
| |
| #define VIA_READ(reg) DRM_READ32(VIA_BASE, reg) |
| #define VIA_WRITE(reg,val) DRM_WRITE32(VIA_BASE, reg, val) |
| #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg) |
| #define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val) |
| |
| extern drm_ioctl_desc_t via_ioctls[]; |
| extern int via_max_ioctl; |
| |
| extern int via_fb_init(DRM_IOCTL_ARGS); |
| extern int via_mem_alloc(DRM_IOCTL_ARGS); |
| extern int via_mem_free(DRM_IOCTL_ARGS); |
| extern int via_agp_init(DRM_IOCTL_ARGS); |
| extern int via_map_init(DRM_IOCTL_ARGS); |
| extern int via_decoder_futex(DRM_IOCTL_ARGS); |
| extern int via_wait_irq(DRM_IOCTL_ARGS); |
| extern int via_dma_blit_sync( DRM_IOCTL_ARGS ); |
| extern int via_dma_blit( DRM_IOCTL_ARGS ); |
| |
| extern int via_driver_load(drm_device_t *dev, unsigned long chipset); |
| extern int via_driver_unload(drm_device_t *dev); |
| extern int via_final_context(drm_device_t * dev, int context); |
| |
| extern int via_do_cleanup_map(drm_device_t * dev); |
| extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence); |
| |
| extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS); |
| extern void via_driver_irq_preinstall(drm_device_t * dev); |
| extern void via_driver_irq_postinstall(drm_device_t * dev); |
| extern void via_driver_irq_uninstall(drm_device_t * dev); |
| |
| extern int via_dma_cleanup(drm_device_t * dev); |
| extern void via_init_command_verifier(void); |
| extern int via_driver_dma_quiescent(drm_device_t * dev); |
| extern void via_init_futex(drm_via_private_t *dev_priv); |
| extern void via_cleanup_futex(drm_via_private_t *dev_priv); |
| extern void via_release_futex(drm_via_private_t *dev_priv, int context); |
| |
| #ifdef VIA_HAVE_CORE_MM |
| extern void via_reclaim_buffers_locked(drm_device_t *dev, struct file *filp); |
| extern void via_lastclose(drm_device_t *dev); |
| #else |
| extern int via_init_context(drm_device_t * dev, int context); |
| #endif |
| |
| #ifdef VIA_HAVE_DMABLIT |
| extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq); |
| extern void via_init_dmablit(drm_device_t *dev); |
| #endif |
| |
| #ifdef VIA_HAVE_FENCE |
| extern void via_fence_timer(unsigned long data); |
| extern void via_poke_flush(drm_device_t * dev, uint32_t class); |
| extern int via_fence_emit_sequence(drm_device_t * dev, uint32_t class, |
| uint32_t flags, |
| uint32_t * sequence, |
| uint32_t * native_type); |
| extern int via_fence_has_irq(struct drm_device * dev, uint32_t class, |
| uint32_t flags); |
| #endif |
| |
| #ifdef VIA_HAVE_BUFFER |
| extern drm_ttm_backend_t *via_create_ttm_backend_entry(drm_device_t *dev); |
| extern int via_fence_types(drm_buffer_object_t *bo, uint32_t *class, uint32_t *type); |
| extern int via_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags); |
| extern int via_init_mem_type(drm_device_t *dev, uint32_t type, |
| drm_mem_type_manager_t *man); |
| extern uint32_t via_evict_mask(drm_buffer_object_t *bo); |
| extern int via_move(drm_buffer_object_t *bo, int evict, |
| int no_wait, drm_bo_mem_reg_t *new_mem); |
| #endif |
| |
| #endif |