via_drv.h revision b5e89ed53ed8d24f83ba1941c07382af00ed238e 
12f2dc053404febedc9c273452d9d518fb31fde72Sage Weil/*
22f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
32f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
4187f1882b5b0748b3c4c22274663fdb372ac0452Paul Gortmaker *
5a1ce39288e6fbefdd8d607021d02384eb4a20b99David Howells * Permission is hereby granted, free of charge, to any person obtaining a
62f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * copy of this software and associated documentation files (the "Software"),
72f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * to deal in the Software without restriction, including without limitation
82f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * the rights to use, copy, modify, merge, publish, distribute, sub license,
92f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * and/or sell copies of the Software, and to permit persons to whom the
102f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * Software is furnished to do so, subject to the following conditions:
112f2dc053404febedc9c273452d9d518fb31fde72Sage Weil *
122f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * The above copyright notice and this permission notice (including the
1394045e115ee72aee3b17295791da07078f2f778cSage Weil * next paragraph) shall be included in all copies or substantial portions
142f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * of the Software.
152f2dc053404febedc9c273452d9d518fb31fde72Sage Weil *
162f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
170deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
182f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
192f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
202f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
212f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
222f2dc053404febedc9c273452d9d518fb31fde72Sage Weil * DEALINGS IN THE SOFTWARE.
232f2dc053404febedc9c273452d9d518fb31fde72Sage Weil */
242f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#ifndef _VIA_DRV_H_
252f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define _VIA_DRV_H_
262f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
272f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define DRIVER_AUTHOR	"VIA"
282f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
292f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define DRIVER_NAME		"via"
302f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define DRIVER_DESC		"VIA Unichrome / Pro"
312f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define DRIVER_DATE		"20050523"
324f6a7e5ee1393ec4b243b39dac9f36992d161540Sage Weil
334f6a7e5ee1393ec4b243b39dac9f36992d161540Sage Weil#define DRIVER_MAJOR		2
342f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define DRIVER_MINOR		6
352f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define DRIVER_PATCHLEVEL	3
362f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
372f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#include "via_verifier.h"
382f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
392f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define VIA_PCI_BUF_SIZE 60000
402f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define VIA_FIRE_BUF_SIZE  1024
412f2dc053404febedc9c273452d9d518fb31fde72Sage Weil#define VIA_NUM_IRQS 2
422f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
432f2dc053404febedc9c273452d9d518fb31fde72Sage Weiltypedef struct drm_via_ring_buffer {
442f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	drm_map_t map;
452f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	char *virtual_start;
462f2dc053404febedc9c273452d9d518fb31fde72Sage Weil} drm_via_ring_buffer_t;
472f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
482f2dc053404febedc9c273452d9d518fb31fde72Sage Weiltypedef uint32_t maskarray_t[5];
492f2dc053404febedc9c273452d9d518fb31fde72Sage Weil
502f2dc053404febedc9c273452d9d518fb31fde72Sage Weiltypedef struct drm_via_irq {
512f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	atomic_t irq_received;
520deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil	uint32_t pending_mask;
530deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil	uint32_t enable_mask;
540deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil	wait_queue_head_t irq_queue;
550deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil} drm_via_irq_t;
560deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil
570deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weiltypedef struct drm_via_private {
580deb01c9998f8112c5e478e3fe3a930131abbc0aSage Weil	drm_via_sarea_t *sarea_priv;
592f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	drm_map_t *sarea;
602f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	drm_map_t *fb;
612f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	drm_map_t *mmio;
622f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	unsigned long agpAddr;
632f2dc053404febedc9c273452d9d518fb31fde72Sage Weil	wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
64	char *dma_ptr;
65	unsigned int dma_low;
66	unsigned int dma_high;
67	unsigned int dma_offset;
68	uint32_t dma_wrap;
69	volatile uint32_t *last_pause_ptr;
70	volatile uint32_t *hw_addr_ptr;
71	drm_via_ring_buffer_t ring;
72	struct timeval last_vblank;
73	int last_vblank_valid;
74	unsigned usec_per_vblank;
75	drm_via_state_t hc_state;
76	char pci_buf[VIA_PCI_BUF_SIZE];
77	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
78	uint32_t num_fire_offsets;
79	int pro_group_a;
80	drm_via_irq_t via_irqs[VIA_NUM_IRQS];
81	unsigned num_irqs;
82	maskarray_t *irq_masks;
83	uint32_t irq_enable_mask;
84	uint32_t irq_pending_mask;
85} drm_via_private_t;
86
87/* VIA MMIO register access */
88#define VIA_BASE ((dev_priv->mmio))
89
90#define VIA_READ(reg)		DRM_READ32(VIA_BASE, reg)
91#define VIA_WRITE(reg,val)	DRM_WRITE32(VIA_BASE, reg, val)
92#define VIA_READ8(reg)		DRM_READ8(VIA_BASE, reg)
93#define VIA_WRITE8(reg,val)	DRM_WRITE8(VIA_BASE, reg, val)
94
95extern int via_init_context(drm_device_t * dev, int context);
96extern int via_final_context(drm_device_t * dev, int context);
97
98extern int via_do_cleanup_map(drm_device_t * dev);
99extern int via_map_init(struct inode *inode, struct file *filp,
100			unsigned int cmd, unsigned long arg);
101extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
102
103extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
104extern void via_driver_irq_preinstall(drm_device_t * dev);
105extern void via_driver_irq_postinstall(drm_device_t * dev);
106extern void via_driver_irq_uninstall(drm_device_t * dev);
107
108extern int via_dma_cleanup(drm_device_t * dev);
109extern void via_init_command_verifier(void);
110extern int via_driver_dma_quiescent(drm_device_t * dev);
111extern void via_init_futex(drm_via_private_t * dev_priv);
112extern void via_cleanup_futex(drm_via_private_t * dev_priv);
113extern void via_release_futex(drm_via_private_t * dev_priv, int context);
114
115#endif
116