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/*
* 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;
struct drm_sman 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 struct drm_ioctl_desc via_ioctls[];
extern int via_max_ioctl;
extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_priv );
extern int via_dma_blit( struct drm_device *dev, void *data, struct drm_file *file_priv );
extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
extern int via_driver_unload(struct drm_device *dev);
extern int via_final_context(struct drm_device * dev, int context);
extern int via_do_cleanup_map(struct drm_device * dev);
extern int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
extern void via_driver_irq_preinstall(struct drm_device * dev);
extern void via_driver_irq_postinstall(struct drm_device * dev);
extern void via_driver_irq_uninstall(struct drm_device * dev);
extern int via_dma_cleanup(struct drm_device * dev);
extern void via_init_command_verifier(void);
extern int via_driver_dma_quiescent(struct drm_device * 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(struct drm_device *dev,
struct drm_file *file_priv);
extern void via_lastclose(struct drm_device *dev);
#else
extern int via_init_context(struct drm_device * dev, int context);
#endif
#ifdef VIA_HAVE_DMABLIT
extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
extern void via_init_dmablit(struct drm_device *dev);
#endif
#ifdef VIA_HAVE_FENCE
extern void via_fence_timer(unsigned long data);
extern void via_poke_flush(struct drm_device * dev, uint32_t class);
extern int via_fence_emit_sequence(struct drm_device * 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 struct drm_ttm_backend *via_create_ttm_backend_entry(struct drm_device *dev);
extern int via_fence_types(struct drm_buffer_object *bo, uint32_t *type);
extern int via_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags);
extern int via_init_mem_type(struct drm_device *dev, uint32_t type,
struct drm_mem_type_manager *man);
extern uint32_t via_evict_mask(struct drm_buffer_object *bo);
extern int via_move(struct drm_buffer_object *bo, int evict,
int no_wait, struct drm_bo_mem_reg *new_mem);
#endif
#endif
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