cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/i810/i810_drv.h

/* i810_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*-
 * Created: Mon Dec 13 01:50:01 1999 by jhartmann@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>
 *          Jeff Hartmann <jhartmann@valinux.com>
 *
 */

#ifndef _I810_DRV_H_

#define _I810_DRV_H_

#include <drm/drm_legacy.h>

/* General customization:
 */


#define DRIVER_AUTHOR		"VA Linux Systems Inc."


#define DRIVER_NAME		"i810"

#define DRIVER_DESC		"Intel i810"

#define DRIVER_DATE		"20030605"

/* Interface history
 *
 * 1.1   - XFree86 4.1
 * 1.2   - XvMC interfaces
 *       - XFree86 4.2
 * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility)
 *       - Remove requirement for interrupt (leave stubs again)
 * 1.3   - Add page flipping.
 * 1.4   - fix DRM interface
 */

#define DRIVER_MAJOR		1

#define DRIVER_MINOR		4

#define DRIVER_PATCHLEVEL	0


typedef struct drm_i810_buf_priv {
	
u32 *in_use;
	
int my_use_idx;
	
int currently_mapped;
	
void *virtual;
	
void *kernel_virtual;
	
drm_local_map_t map;
} 
drm_i810_buf_priv_t;


typedef struct _drm_i810_ring_buffer {
	
int tail_mask;
	
unsigned long Start;
	
unsigned long End;
	
unsigned long Size;
	
u8 *virtual_start;
	
int head;
	
int tail;
	
int space;
	
drm_local_map_t map;
} 
drm_i810_ring_buffer_t;


typedef struct drm_i810_private {
	
struct drm_local_map *sarea_map;
	
struct drm_local_map *mmio_map;

	
drm_i810_sarea_t *sarea_priv;
	
drm_i810_ring_buffer_t ring;

	
void *hw_status_page;
	
unsigned long counter;

	
dma_addr_t dma_status_page;

	
struct drm_buf *mmap_buffer;

	


u32 front_di1, back_di1, zi1;

	
int back_offset;
	
int depth_offset;
	
int overlay_offset;
	
int overlay_physical;
	

int w, h;
	
int pitch;
	
int back_pitch;
	
int depth_pitch;

	
int do_boxes;
	
int dma_used;

	
int current_page;
	
int page_flipping;

	
wait_queue_head_t irq_queue;
	
atomic_t irq_received;
	
atomic_t irq_emitted;

	
int front_offset;
} 
drm_i810_private_t;

				/* i810_dma.c */
extern int i810_driver_dma_quiescent(struct drm_device *dev);
void i810_driver_reclaim_buffers(struct drm_device *dev,
			         struct drm_file *file_priv);
extern int i810_driver_load(struct drm_device *, unsigned long flags);
extern void i810_driver_lastclose(struct drm_device *dev);
extern void i810_driver_preclose(struct drm_device *dev,
				 struct drm_file *file_priv);

extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
extern const struct drm_ioctl_desc i810_ioctls[];
extern int i810_max_ioctl;


#define I810_BASE(reg)		((unsigned long) \
                                dev_priv->mmio_map->handle)

#define I810_ADDR(reg)		(I810_BASE(reg) + reg)

#define I810_DEREF(reg)		(*(__volatile__ int *)I810_ADDR(reg))

#define I810_READ(reg)		I810_DEREF(reg)

#define I810_WRITE(reg, val)	do { I810_DEREF(reg) = val; } while (0)

#define I810_DEREF16(reg)	(*(__volatile__ u16 *)I810_ADDR(reg))

#define I810_READ16(reg)	I810_DEREF16(reg)

#define I810_WRITE16(reg, val)	do { I810_DEREF16(reg) = val; } while (0)


#define I810_VERBOSE 0

#define RING_LOCALS	unsigned int outring, ringmask; \
                        volatile char *virt;


#define BEGIN_LP_RING(n) do {                                    \
        if (I810_VERBOSE)                                       \
                DRM_DEBUG("BEGIN_LP_RING(%d)\n", n);            \
        if (dev_priv->ring.space < n*4)                         \
                i810_wait_ring(dev, n*4);                       \
        dev_priv->ring.space -= n*4;                            \
        outring = dev_priv->ring.tail;                          \
        ringmask = dev_priv->ring.tail_mask;                    \
        virt = dev_priv->ring.virtual_start;                    \
} while (0)


#define ADVANCE_LP_RING() do {                                    \
        if (I810_VERBOSE)                                       \
                DRM_DEBUG("ADVANCE_LP_RING\n");                 \
        dev_priv->ring.tail = outring;                          \
        I810_WRITE(LP_RING + RING_TAIL, outring);               \
} while (0)


#define OUT_RING(n) do {                                    \
        if (I810_VERBOSE)                                       \
                DRM_DEBUG("   OUT_RING %x\n", (int)(n));        \
        *(volatile unsigned int *)(virt + outring) = n;         \
        outring += 4;                                           \
        outring &= ringmask;                                    \
} while (0)


#define GFX_OP_USER_INTERRUPT		((0<<29)|(2<<23))

#define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))

#define CMD_REPORT_HEAD			(7<<23)

#define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)

#define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)


#define INST_PARSER_CLIENT   0x00000000

#define INST_OP_FLUSH        0x02000000

#define INST_FLUSH_MAP_CACHE 0x00000001


#define BB1_START_ADDR_MASK   (~0x7)

#define BB1_PROTECTED         (1<<0)

#define BB1_UNPROTECTED       (0<<0)

#define BB2_END_ADDR_MASK     (~0x7)


#define I810REG_HWSTAM		0x02098

#define I810REG_INT_IDENTITY_R	0x020a4

#define I810REG_INT_MASK_R	0x020a8

#define I810REG_INT_ENABLE_R	0x020a0


#define LP_RING			0x2030

#define HP_RING			0x2040

#define RING_TAIL		0x00

#define TAIL_ADDR		0x000FFFF8

#define RING_HEAD		0x04

#define HEAD_WRAP_COUNT		0xFFE00000

#define HEAD_WRAP_ONE		0x00200000

#define HEAD_ADDR		0x001FFFFC

#define RING_START		0x08

#define START_ADDR		0x00FFFFF8

#define RING_LEN		0x0C

#define RING_NR_PAGES		0x000FF000

#define RING_REPORT_MASK	0x00000006

#define RING_REPORT_64K		0x00000002

#define RING_REPORT_128K	0x00000004

#define RING_NO_REPORT		0x00000000

#define RING_VALID_MASK		0x00000001

#define RING_VALID		0x00000001

#define RING_INVALID		0x00000000


#define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))

#define SC_UPDATE_SCISSOR       (0x1<<1)

#define SC_ENABLE_MASK          (0x1<<0)

#define SC_ENABLE               (0x1<<0)


#define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))

#define SCI_YMIN_MASK      (0xffff<<16)

#define SCI_XMIN_MASK      (0xffff<<0)

#define SCI_YMAX_MASK      (0xffff<<16)

#define SCI_XMAX_MASK      (0xffff<<0)


#define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)

#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))

#define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x2)

#define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)

#define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))

#define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))


#define CMD_OP_Z_BUFFER_INFO     ((0x0<<29)|(0x16<<23))

#define CMD_OP_DESTBUFFER_INFO   ((0x0<<29)|(0x15<<23))

#define CMD_OP_FRONTBUFFER_INFO  ((0x0<<29)|(0x14<<23))

#define CMD_OP_WAIT_FOR_EVENT    ((0x0<<29)|(0x03<<23))


#define BR00_BITBLT_CLIENT   0x40000000

#define BR00_OP_COLOR_BLT    0x10000000

#define BR00_OP_SRC_COPY_BLT 0x10C00000

#define BR13_SOLID_PATTERN   0x80000000


#define WAIT_FOR_PLANE_A_SCANLINES (1<<1)

#define WAIT_FOR_PLANE_A_FLIP      (1<<2)

#define WAIT_FOR_VBLANK (1<<3)

#endif

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PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)36057.32%14.17%
Linus Torvalds14022.29%625.00%
Dave Airlie9014.33%937.50%
Arnd Bergmann172.71%14.17%
Eric Anholt81.27%28.33%
Nicolas Kaiser60.96%14.17%
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Rob Clark10.16%14.17%
Total628100.00%24100.00%
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