/* * 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 #include #include #include #include #include #include #include #include #define DRIVER_AUTHOR "Various" #define DRIVER_NAME "via" #define DRIVER_DESC "VIA Unichrome / Pro" #define DRIVER_DATE "20070202" #define DRIVER_MAJOR 2 #define DRIVER_MINOR 11 #define DRIVER_PATCHLEVEL 1 #include "via_verifier.h" #include "via_dmablit.h" #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; ktime_t last_vblank; int last_vblank_valid; ktime_t nsec_per_vblank; atomic_t vbl_received; 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; unsigned int idle_fault; int vram_initialized; struct drm_mm vram_mm; int agp_initialized; struct drm_mm agp_mm; /** Mapping of userspace keys to mm objects */ struct idr object_idr; unsigned long vram_offset; unsigned long agp_offset; drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; uint32_t dma_diff; } drm_via_private_t; struct via_file_private { struct list_head obj_list; }; 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 */ static inline u32 via_read(struct drm_via_private *dev_priv, u32 reg) { return readl((void __iomem *)(dev_priv->mmio->handle + reg)); } static inline void via_write(struct drm_via_private *dev_priv, u32 reg, u32 val) { writel(val, (void __iomem *)(dev_priv->mmio->handle + reg)); } static inline void via_write8(struct drm_via_private *dev_priv, u32 reg, u32 val) { writeb(val, (void __iomem *)(dev_priv->mmio->handle + reg)); } static inline void via_write8_mask(struct drm_via_private *dev_priv, u32 reg, u32 mask, u32 val) { u32 tmp; tmp = readb((void __iomem *)(dev_priv->mmio->handle + reg)); tmp = (tmp & ~mask) | (val & mask); writeb(tmp, (void __iomem *)(dev_priv->mmio->handle + reg)); } /* * Poll in a loop waiting for 'contidition' to be true. * Note: A direct replacement with wait_event_interruptible_timeout() * will not work unless driver is updated to emit wake_up() * in relevant places that can impact the 'condition' * * Returns: * ret keeps current value if 'condition' becomes true * ret = -BUSY if timeout happens * ret = -EINTR if a signal interrupted the waiting period */ #define VIA_WAIT_ON( ret, queue, timeout, condition ) \ do { \ DECLARE_WAITQUEUE(entry, current); \ unsigned long end = jiffies + (timeout); \ add_wait_queue(&(queue), &entry); \ \ for (;;) { \ __set_current_state(TASK_INTERRUPTIBLE); \ if (condition) \ break; \ if (time_after_eq(jiffies, end)) { \ ret = -EBUSY; \ break; \ } \ schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \ if (signal_pending(current)) { \ ret = -EINTR; \ break; \ } \ } \ __set_current_state(TASK_RUNNING); \ remove_wait_queue(&(queue), &entry); \ } while (0) extern const 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 void via_driver_unload(struct drm_device *dev); extern int via_init_context(struct drm_device *dev, int context); extern int via_final_context(struct drm_device *dev, int context); extern int via_do_cleanup_map(struct drm_device *dev); extern u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe); extern int via_enable_vblank(struct drm_device *dev, unsigned int pipe); extern void via_disable_vblank(struct drm_device *dev, unsigned int pipe); extern irqreturn_t via_driver_irq_handler(int irq, void *arg); extern void via_driver_irq_preinstall(struct drm_device *dev); extern int 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); extern void via_reclaim_buffers_locked(struct drm_device *dev, struct drm_file *file_priv); extern void via_lastclose(struct drm_device *dev); extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq); extern void via_init_dmablit(struct drm_device *dev); #endif