Home | History | Annotate | Line # | Download | only in via
via_drv.h revision 1.1.1.3
      1 /*	$NetBSD: via_drv.h,v 1.1.1.3 2018/08/27 01:34:59 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
      5  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sub license,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     21  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     24  * DEALINGS IN THE SOFTWARE.
     25  */
     26 #ifndef _VIA_DRV_H_
     27 #define _VIA_DRV_H_
     28 
     29 #include <drm/drm_mm.h>
     30 #include <drm/drm_legacy.h>
     31 
     32 #define DRIVER_AUTHOR	"Various"
     33 
     34 #define DRIVER_NAME		"via"
     35 #define DRIVER_DESC		"VIA Unichrome / Pro"
     36 #define DRIVER_DATE		"20070202"
     37 
     38 #define DRIVER_MAJOR		2
     39 #define DRIVER_MINOR		11
     40 #define DRIVER_PATCHLEVEL	1
     41 
     42 #include "via_verifier.h"
     43 
     44 #include "via_dmablit.h"
     45 
     46 #define VIA_PCI_BUF_SIZE 60000
     47 #define VIA_FIRE_BUF_SIZE  1024
     48 #define VIA_NUM_IRQS 4
     49 
     50 typedef struct drm_via_ring_buffer {
     51 	drm_local_map_t map;
     52 	char *virtual_start;
     53 } drm_via_ring_buffer_t;
     54 
     55 typedef uint32_t maskarray_t[5];
     56 
     57 typedef struct drm_via_irq {
     58 	atomic_t irq_received;
     59 	uint32_t pending_mask;
     60 	uint32_t enable_mask;
     61 	wait_queue_head_t irq_queue;
     62 } drm_via_irq_t;
     63 
     64 typedef struct drm_via_private {
     65 	drm_via_sarea_t *sarea_priv;
     66 	drm_local_map_t *sarea;
     67 	drm_local_map_t *fb;
     68 	drm_local_map_t *mmio;
     69 	unsigned long agpAddr;
     70 	wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
     71 	char *dma_ptr;
     72 	unsigned int dma_low;
     73 	unsigned int dma_high;
     74 	unsigned int dma_offset;
     75 	uint32_t dma_wrap;
     76 	volatile uint32_t *last_pause_ptr;
     77 	volatile uint32_t *hw_addr_ptr;
     78 	drm_via_ring_buffer_t ring;
     79 	struct timeval last_vblank;
     80 	int last_vblank_valid;
     81 	unsigned usec_per_vblank;
     82 	atomic_t vbl_received;
     83 	drm_via_state_t hc_state;
     84 	char pci_buf[VIA_PCI_BUF_SIZE];
     85 	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
     86 	uint32_t num_fire_offsets;
     87 	int chipset;
     88 	drm_via_irq_t via_irqs[VIA_NUM_IRQS];
     89 	unsigned num_irqs;
     90 	maskarray_t *irq_masks;
     91 	uint32_t irq_enable_mask;
     92 	uint32_t irq_pending_mask;
     93 	int *irq_map;
     94 	unsigned int idle_fault;
     95 	int vram_initialized;
     96 	struct drm_mm vram_mm;
     97 	int agp_initialized;
     98 	struct drm_mm agp_mm;
     99 	/** Mapping of userspace keys to mm objects */
    100 	struct idr object_idr;
    101 	unsigned long vram_offset;
    102 	unsigned long agp_offset;
    103 	drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
    104 	uint32_t dma_diff;
    105 } drm_via_private_t;
    106 
    107 struct via_file_private {
    108 	struct list_head obj_list;
    109 };
    110 
    111 enum via_family {
    112   VIA_OTHER = 0,     /* Baseline */
    113   VIA_PRO_GROUP_A,   /* Another video engine and DMA commands */
    114   VIA_DX9_0          /* Same video as pro_group_a, but 3D is unsupported */
    115 };
    116 
    117 /* VIA MMIO register access */
    118 #define VIA_BASE ((dev_priv->mmio))
    119 
    120 #define VIA_READ(reg)		DRM_READ32(VIA_BASE, reg)
    121 #define VIA_WRITE(reg, val)	DRM_WRITE32(VIA_BASE, reg, val)
    122 #define VIA_READ8(reg)		DRM_READ8(VIA_BASE, reg)
    123 #define VIA_WRITE8(reg, val)	DRM_WRITE8(VIA_BASE, reg, val)
    124 
    125 extern const struct drm_ioctl_desc via_ioctls[];
    126 extern int via_max_ioctl;
    127 
    128 extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
    129 extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv);
    130 extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv);
    131 extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
    132 extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
    133 extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
    134 extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
    135 extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv);
    136 extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv);
    137 
    138 extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
    139 extern int via_driver_unload(struct drm_device *dev);
    140 
    141 extern int via_init_context(struct drm_device *dev, int context);
    142 extern int via_final_context(struct drm_device *dev, int context);
    143 
    144 extern int via_do_cleanup_map(struct drm_device *dev);
    145 extern u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
    146 extern int via_enable_vblank(struct drm_device *dev, unsigned int pipe);
    147 extern void via_disable_vblank(struct drm_device *dev, unsigned int pipe);
    148 
    149 extern irqreturn_t via_driver_irq_handler(int irq, void *arg);
    150 extern void via_driver_irq_preinstall(struct drm_device *dev);
    151 extern int via_driver_irq_postinstall(struct drm_device *dev);
    152 extern void via_driver_irq_uninstall(struct drm_device *dev);
    153 
    154 extern int via_dma_cleanup(struct drm_device *dev);
    155 extern void via_init_command_verifier(void);
    156 extern int via_driver_dma_quiescent(struct drm_device *dev);
    157 extern void via_init_futex(drm_via_private_t *dev_priv);
    158 extern void via_cleanup_futex(drm_via_private_t *dev_priv);
    159 extern void via_release_futex(drm_via_private_t *dev_priv, int context);
    160 
    161 extern void via_reclaim_buffers_locked(struct drm_device *dev,
    162 				       struct drm_file *file_priv);
    163 extern void via_lastclose(struct drm_device *dev);
    164 
    165 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
    166 extern void via_init_dmablit(struct drm_device *dev);
    167 
    168 #endif
    169