diff options
Diffstat (limited to 'drivers/char/drm/via_drv.h')
| -rw-r--r-- | drivers/char/drm/via_drv.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h new file mode 100644 index 00000000000000..4eaa8b7c4c9606 --- /dev/null +++ b/drivers/char/drm/via_drv.h @@ -0,0 +1,118 @@ +/* + * 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_ + +#define DRIVER_AUTHOR "VIA" + +#define DRIVER_NAME "via" +#define DRIVER_DESC "VIA Unichrome / Pro" +#define DRIVER_DATE "20050523" + +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 6 +#define DRIVER_PATCHLEVEL 3 + +#include "via_verifier.h" + +#define VIA_PCI_BUF_SIZE 60000 +#define VIA_FIRE_BUF_SIZE 1024 +#define VIA_NUM_IRQS 2 + + + +typedef struct drm_via_ring_buffer { + drm_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_map_t *sarea; + drm_map_t *fb; + drm_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 pro_group_a; + 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; +} drm_via_private_t; + +/* 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 int via_init_context(drm_device_t * dev, int context); +extern int via_final_context(drm_device_t * dev, int context); + +extern int via_do_cleanup_map(drm_device_t * dev); +extern int via_map_init(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +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); + + +#endif |