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/* r128_drv.h -- Private header for r128 driver -*- linux-c -*-
* Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT 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.
*
* Authors: Rickard E. (Rik) Faith <faith@valinux.com>
* Kevin E. Martin <martin@valinux.com>
*
*/
#ifndef _R128_DRV_H_
#define _R128_DRV_H_
typedef struct drm_r128_private {
int is_pci;
int cce_mode;
int cce_fifo_size;
int cce_is_bm_mode;
int cce_secure;
drm_r128_sarea_t *sarea_priv;
__volatile__ u32 *ring_read_ptr;
u32 *ring_start;
u32 *ring_end;
int ring_size;
int ring_sizel2qw;
int ring_entries;
int submit_age;
int usec_timeout;
drm_map_t *sarea;
drm_map_t *fb;
drm_map_t *agp_ring;
drm_map_t *agp_read_ptr;
drm_map_t *agp_vertbufs;
drm_map_t *agp_indbufs;
drm_map_t *agp_textures;
drm_map_t *mmio;
} drm_r128_private_t;
typedef struct drm_r128_buf_priv {
u32 age;
} drm_r128_buf_priv_t;
/* r128_drv.c */
extern int r128_version(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_open(struct inode *inode, struct file *filp);
extern int r128_release(struct inode *inode, struct file *filp);
extern int r128_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_lock(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_unlock(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* r128_dma.c */
extern int r128_init_cce(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_eng_reset(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_eng_flush(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_submit_pkt(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_cce_idle(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_vertex_buf(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* r128_bufs.c */
extern int r128_addbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_mapbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* r128_context.c */
extern int r128_resctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_addctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_modctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_getctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_switchctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_newctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_rmctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int r128_context_switch(drm_device_t *dev, int old, int new);
extern int r128_context_switch_complete(drm_device_t *dev, int new);
/* Register definitions, register access macros and drmAddMap constants
* for Rage 128 kernel driver.
*/
#define R128_PC_NGUI_CTLSTAT 0x0184
# define R128_PC_FLUSH_ALL 0x00ff
# define R128_PC_BUSY (1 << 31)
#define R128_CLOCK_CNTL_INDEX 0x0008
#define R128_CLOCK_CNTL_DATA 0x000c
# define R128_PLL_WR_EN (1 << 7)
#define R128_MCLK_CNTL 0x000f
# define R128_FORCE_GCP (1 << 16)
# define R128_FORCE_PIPE3D_CP (1 << 17)
# define R128_FORCE_RCP (1 << 18)
#define R128_GEN_RESET_CNTL 0x00f0
# define R128_SOFT_RESET_GUI (1 << 0)
#define R128_PM4_BUFFER_CNTL 0x0704
# define R128_PM4_NONPM4 (0 << 28)
# define R128_PM4_192PIO (1 << 28)
# define R128_PM4_192BM (2 << 28)
# define R128_PM4_128PIO_64INDBM (3 << 28)
# define R128_PM4_128BM_64INDBM (4 << 28)
# define R128_PM4_64PIO_128INDBM (5 << 28)
# define R128_PM4_64BM_128INDBM (6 << 28)
# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28)
# define R128_PM4_64BM_64VCBM_64INDBM (8 << 28)
# define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28)
#define R128_PM4_BUFFER_DL_RPTR 0x0710
#define R128_PM4_BUFFER_DL_WPTR 0x0714
# define R128_PM4_BUFFER_DL_DONE (1 << 31)
#define R128_PM4_VC_FPU_SETUP 0x071c
#define R128_PM4_STAT 0x07b8
# define R128_PM4_FIFOCNT_MASK 0x0fff
# define R128_PM4_BUSY (1 << 16)
# define R128_PM4_GUI_ACTIVE (1 << 31)
#define R128_PM4_BUFFER_ADDR 0x07f0
#define R128_PM4_MICRO_CNTL 0x07fc
# define R128_PM4_MICRO_FREERUN (1 << 30)
#define R128_PM4_FIFO_DATA_EVEN 0x1000
#define R128_PM4_FIFO_DATA_ODD 0x1004
#define R128_GUI_SCRATCH_REG0 0x15e0
#define R128_GUI_SCRATCH_REG1 0x15e4
#define R128_GUI_SCRATCH_REG2 0x15e8
#define R128_GUI_SCRATCH_REG3 0x15ec
#define R128_GUI_SCRATCH_REG4 0x15f0
#define R128_GUI_SCRATCH_REG5 0x15f4
#define R128_GUI_STAT 0x1740
# define R128_GUI_FIFOCNT_MASK 0x0fff
# define R128_GUI_ACTIVE (1 << 31)
/* CCE command packets */
#define R128_CCE_PACKET0 0x00000000
#define R128_CCE_PACKET1 0x40000000
#define R128_CCE_PACKET2 0x80000000
# define R128_CCE_PACKET_MASK 0xC0000000
# define R128_CCE_PACKET_COUNT_MASK 0x3fff0000
# define R128_CCE_PACKET0_REG_MASK 0x000007ff
# define R128_CCE_PACKET1_REG0_MASK 0x000007ff
# define R128_CCE_PACKET1_REG1_MASK 0x003ff800
#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */
#define R128_BASE(reg) ((unsigned long)(dev_priv->mmio->handle))
#define R128_ADDR(reg) (R128_BASE(reg) + reg)
#define R128_DEREF(reg) *(__volatile__ int *)R128_ADDR(reg)
#define R128_READ(reg) R128_DEREF(reg)
#define R128_WRITE(reg,val) do { R128_DEREF(reg) = val; } while (0)
#define R128_DEREF8(reg) *(__volatile__ char *)R128_ADDR(reg)
#define R128_READ8(reg) R128_DEREF8(reg)
#define R128_WRITE8(reg,val) do { R128_DEREF8(reg) = val; } while (0)
#define R128_WRITE_PLL(addr,val) \
do { \
R128_WRITE8(R128_CLOCK_CNTL_INDEX, ((addr) & 0x1f) | R128_PLL_WR_EN); \
R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \
} while (0)
extern int R128_READ_PLL(drm_device_t *dev, int addr);
#define R128CCE0(p,r,n) ((p) | ((n) << 16) | ((r) >> 2))
#define R128CCE1(p,r1,r2) ((p) | (((r2) >> 2) << 11) | ((r1) >> 2))
#define R128CCE2(p) ((p))
#define R128CCE3(p,n) ((p) | ((n) << 16))
#endif
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