cregit-Linux how code gets into the kernel

Release 4.7 drivers/gpu/drm/mga/mga_drv.h

/* mga_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
 * VA LINUX SYSTEMS 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:
 *    Gareth Hughes <gareth@valinux.com>
 */

#ifndef __MGA_DRV_H__

#define __MGA_DRV_H__

#include <drm/drm_legacy.h>

/* General customization:
 */


#define DRIVER_AUTHOR		"Gareth Hughes, VA Linux Systems Inc."


#define DRIVER_NAME		"mga"

#define DRIVER_DESC		"Matrox G200/G400"

#define DRIVER_DATE		"20051102"


#define DRIVER_MAJOR		3

#define DRIVER_MINOR		2

#define DRIVER_PATCHLEVEL	1


typedef struct drm_mga_primary_buffer {
	
u8 *start;
	
u8 *end;
	
int size;

	
u32 tail;
	
int space;
	
volatile long wrapped;

	
volatile u32 *status;

	
u32 last_flush;
	
u32 last_wrap;

	
u32 high_mark;
} 
drm_mga_primary_buffer_t;


typedef struct drm_mga_freelist {
	
struct drm_mga_freelist *next;
	
struct drm_mga_freelist *prev;
	
drm_mga_age_t age;
	
struct drm_buf *buf;
} 
drm_mga_freelist_t;

typedef struct {
	
drm_mga_freelist_t *list_entry;
	
int discard;
	
int dispatched;
} 
drm_mga_buf_priv_t;


typedef struct drm_mga_private {
	
drm_mga_primary_buffer_t prim;
	
drm_mga_sarea_t *sarea_priv;

	
drm_mga_freelist_t *head;
	
drm_mga_freelist_t *tail;

	
unsigned int warp_pipe;
	
unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];

	
int chipset;
	
int usec_timeout;

	/**
         * If set, the new DMA initialization sequence was used.  This is
         * primarilly used to select how the driver should uninitialized its
         * internal DMA structures.
         */
	
int used_new_dma_init;

	/**
         * If AGP memory is used for DMA buffers, this will be the value
         * \c MGA_PAGPXFER.  Otherwise, it will be zero (for a PCI transfer).
         */
	
u32 dma_access;

	/**
         * If AGP memory is used for DMA buffers, this will be the value
         * \c MGA_WAGP_ENABLE.  Otherwise, it will be zero (for a PCI
         * transfer).
         */
	
u32 wagp_enable;

	/**
         * \name MMIO region parameters.
         *
         * \sa drm_mga_private_t::mmio
         */
	/*@{ */
	
resource_size_t mmio_base;	   /**< Bus address of base of MMIO. */
	
resource_size_t mmio_size;	   /**< Size of the MMIO region. */
	/*@} */

	
u32 clear_cmd;
	
u32 maccess;

	
atomic_t vbl_received;          /**< Number of vblanks received. */
	
wait_queue_head_t fence_queue;
	
atomic_t last_fence_retired;
	
u32 next_fence_to_post;

	
unsigned int fb_cpp;
	
unsigned int front_offset;
	
unsigned int front_pitch;
	
unsigned int back_offset;
	
unsigned int back_pitch;

	
unsigned int depth_cpp;
	
unsigned int depth_offset;
	
unsigned int depth_pitch;

	
unsigned int texture_offset;
	
unsigned int texture_size;

	
drm_local_map_t *sarea;
	
drm_local_map_t *mmio;
	
drm_local_map_t *status;
	
drm_local_map_t *warp;
	
drm_local_map_t *primary;
	
drm_local_map_t *agp_textures;

	
unsigned long agp_handle;
	
unsigned int agp_size;
} 
drm_mga_private_t;

extern const struct drm_ioctl_desc mga_ioctls[];
extern int mga_max_ioctl;

				/* mga_dma.c */
extern int mga_dma_bootstrap(struct drm_device *dev, void *data,
			     struct drm_file *file_priv);
extern int mga_dma_init(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int mga_dma_flush(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int mga_dma_reset(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int mga_dma_buffers(struct drm_device *dev, void *data,
			   struct drm_file *file_priv);
extern int mga_driver_load(struct drm_device *dev, unsigned long flags);
extern int mga_driver_unload(struct drm_device *dev);
extern void mga_driver_lastclose(struct drm_device *dev);
extern int mga_driver_dma_quiescent(struct drm_device *dev);

extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv);

extern void mga_do_dma_flush(drm_mga_private_t *dev_priv);
extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv);
extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv);

extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf);

				/* mga_warp.c */
extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv);
extern int mga_warp_init(drm_mga_private_t *dev_priv);

				/* mga_irq.c */
extern int mga_enable_vblank(struct drm_device *dev, unsigned int pipe);
extern void mga_disable_vblank(struct drm_device *dev, unsigned int pipe);
extern u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
extern int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence);
extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
extern irqreturn_t mga_driver_irq_handler(int irq, void *arg);
extern void mga_driver_irq_preinstall(struct drm_device *dev);
extern int mga_driver_irq_postinstall(struct drm_device *dev);
extern void mga_driver_irq_uninstall(struct drm_device *dev);
extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
			     unsigned long arg);


#define mga_flush_write_combine()	wmb()


#define MGA_READ8(reg)		DRM_READ8(dev_priv->mmio, (reg))

#define MGA_READ(reg)		DRM_READ32(dev_priv->mmio, (reg))

#define MGA_WRITE8(reg, val)	DRM_WRITE8(dev_priv->mmio, (reg), (val))

#define MGA_WRITE(reg, val)	DRM_WRITE32(dev_priv->mmio, (reg), (val))


#define DWGREG0		0x1c00

#define DWGREG0_END	0x1dff

#define DWGREG1		0x2c00

#define DWGREG1_END	0x2dff


#define ISREG0(r)	(r >= DWGREG0 && r <= DWGREG0_END)

#define DMAREG0(r)	(u8)((r - DWGREG0) >> 2)

#define DMAREG1(r)	(u8)(((r - DWGREG1) >> 2) | 0x80)

#define DMAREG(r)	(ISREG0(r) ? DMAREG0(r) : DMAREG1(r))

/* ================================================================
 * Helper macross...
 */


#define MGA_EMIT_STATE(dev_priv, dirty)					\
do {                                                                    \
        if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) {                          \
                if (dev_priv->chipset >= MGA_CARD_TYPE_G400)            \
                        mga_g400_emit_state(dev_priv);                  \
                else                                                    \
                        mga_g200_emit_state(dev_priv);                  \
        }                                                               \
} while (0)


#define WRAP_TEST_WITH_RETURN(dev_priv)					\
do {                                                                    \
        if (test_bit(0, &dev_priv->prim.wrapped)) {                     \
                if (mga_is_idle(dev_priv)) {                            \
                        mga_do_dma_wrap_end(dev_priv);                  \
                } else if (dev_priv->prim.space <                       \
                           dev_priv->prim.high_mark) {                  \
                        if (MGA_DMA_DEBUG)                              \
                                DRM_INFO("wrap...\n");                  \
                        return -EBUSY;                                  \
                }                                                       \
        }                                                               \
} while (0)


#define WRAP_WAIT_WITH_RETURN(dev_priv)					\
do {                                                                    \
        if (test_bit(0, &dev_priv->prim.wrapped)) {                     \
                if (mga_do_wait_for_idle(dev_priv) < 0) {               \
                        if (MGA_DMA_DEBUG)                              \
                                DRM_INFO("wrap...\n");                  \
                        return -EBUSY;                                  \
                }                                                       \
                mga_do_dma_wrap_end(dev_priv);                          \
        }                                                               \
} while (0)

/* ================================================================
 * Primary DMA command stream
 */


#define MGA_VERBOSE	0


#define DMA_LOCALS	unsigned int write; volatile u8 *prim;


#define DMA_BLOCK_SIZE	(5 * sizeof(u32))


#define BEGIN_DMA(n)							\
do {                                                                    \
        if (MGA_VERBOSE) {                                              \
                DRM_INFO("BEGIN_DMA(%d)\n", (n));                       \
                DRM_INFO("   space=0x%x req=0x%Zx\n",                   \
                         dev_priv->prim.space, (n) * DMA_BLOCK_SIZE);   \
        }                                                               \
        prim = dev_priv->prim.start;                                    \
        write = dev_priv->prim.tail;                                    \
} while (0)


#define BEGIN_DMA_WRAP()						\
do {                                                                    \
        if (MGA_VERBOSE) {                                              \
                DRM_INFO("BEGIN_DMA()\n");                              \
                DRM_INFO("   space=0x%x\n", dev_priv->prim.space);      \
        }                                                               \
        prim = dev_priv->prim.start;                                    \
        write = dev_priv->prim.tail;                                    \
} while (0)


#define ADVANCE_DMA()							\
do {                                                                    \
        dev_priv->prim.tail = write;                                    \
        if (MGA_VERBOSE)                                                \
                DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n",         \
                         write, dev_priv->prim.space);                  \
} while (0)


#define FLUSH_DMA()							\
do {                                                                    \
        if (0) {                                                        \
                DRM_INFO("\n");                                         \
                DRM_INFO("   tail=0x%06x head=0x%06lx\n",               \
                         dev_priv->prim.tail,                           \
                         (unsigned long)(MGA_READ(MGA_PRIMADDRESS) -    \
                                         dev_priv->primary->offset));   \
        }                                                               \
        if (!test_bit(0, &dev_priv->prim.wrapped)) {                    \
                if (dev_priv->prim.space < dev_priv->prim.high_mark)    \
                        mga_do_dma_wrap_start(dev_priv);                \
                else                                                    \
                        mga_do_dma_flush(dev_priv);                     \
        }                                                               \
} while (0)

/* Never use this, always use DMA_BLOCK(...) for primary DMA output.
 */

#define DMA_WRITE(offset, val)						\
do {                                                                    \
        if (MGA_VERBOSE)                                                \
                DRM_INFO("   DMA_WRITE( 0x%08x ) at 0x%04Zx\n",         \
                         (u32)(val), write + (offset) * sizeof(u32));   \
        *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
} while (0)


#define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3)	\
do {                                                                    \
        DMA_WRITE(0, ((DMAREG(reg0) << 0) |                             \
                      (DMAREG(reg1) << 8) |                             \
                      (DMAREG(reg2) << 16) |                            \
                      (DMAREG(reg3) << 24)));                           \
        DMA_WRITE(1, val0);                                             \
        DMA_WRITE(2, val1);                                             \
        DMA_WRITE(3, val2);                                             \
        DMA_WRITE(4, val3);                                             \
        write += DMA_BLOCK_SIZE;                                        \
} while (0)

/* Buffer aging via primary DMA stream head pointer.
 */


#define SET_AGE(age, h, w)						\
do {                                                                    \
        (age)->head = h;                                                \
        (age)->wrap = w;                                                \
} while (0)


#define TEST_AGE(age, h, w)		((age)->wrap < w ||             \
                                         ((age)->wrap == w &&           \
                                          (age)->head < h))


#define AGE_BUFFER(buf_priv)						\
do {                                                                    \
        drm_mga_freelist_t *entry = (buf_priv)->list_entry;             \
        if ((buf_priv)->dispatched) {                                   \
                entry->age.head = (dev_priv->prim.tail +                \
                                   dev_priv->primary->offset);          \
                entry->age.wrap = dev_priv->sarea_priv->last_wrap;      \
        } else {                                                        \
                entry->age.head = 0;                                    \
                entry->age.wrap = 0;                                    \
        }                                                               \
} while (0)


#define MGA_ENGINE_IDLE_MASK		(MGA_SOFTRAPEN |                \
                                         MGA_DWGENGSTS |                \
                                         MGA_ENDPRDMASTS)

#define MGA_DMA_IDLE_MASK		(MGA_SOFTRAPEN |                \
                                         MGA_ENDPRDMASTS)


#define MGA_DMA_DEBUG			0

/* A reduced set of the mga registers.
 */

#define MGA_CRTC_INDEX			0x1fd4

#define MGA_CRTC_DATA			0x1fd5

/* CRTC11 */

#define MGA_VINTCLR			(1 << 4)

#define MGA_VINTEN			(1 << 5)


#define MGA_ALPHACTRL			0x2c7c

#define MGA_AR0				0x1c60

#define MGA_AR1				0x1c64

#define MGA_AR2				0x1c68

#define MGA_AR3				0x1c6c

#define MGA_AR4				0x1c70

#define MGA_AR5				0x1c74

#define MGA_AR6				0x1c78


#define MGA_CXBNDRY			0x1c80

#define MGA_CXLEFT			0x1ca0

#define MGA_CXRIGHT			0x1ca4


#define MGA_DMAPAD			0x1c54

#define MGA_DSTORG			0x2cb8

#define MGA_DWGCTL			0x1c00

#	define MGA_OPCOD_MASK			(15 << 0)

#	define MGA_OPCOD_TRAP			(4 << 0)

#	define MGA_OPCOD_TEXTURE_TRAP		(6 << 0)

#	define MGA_OPCOD_BITBLT			(8 << 0)

#	define MGA_OPCOD_ILOAD			(9 << 0)

#	define MGA_ATYPE_MASK			(7 << 4)

#	define MGA_ATYPE_RPL			(0 << 4)

#	define MGA_ATYPE_RSTR			(1 << 4)

#	define MGA_ATYPE_ZI			(3 << 4)

#	define MGA_ATYPE_BLK			(4 << 4)

#	define MGA_ATYPE_I			(7 << 4)

#	define MGA_LINEAR			(1 << 7)

#	define MGA_ZMODE_MASK			(7 << 8)

#	define MGA_ZMODE_NOZCMP			(0 << 8)

#	define MGA_ZMODE_ZE			(2 << 8)

#	define MGA_ZMODE_ZNE			(3 << 8)

#	define MGA_ZMODE_ZLT			(4 << 8)

#	define MGA_ZMODE_ZLTE			(5 << 8)

#	define MGA_ZMODE_ZGT			(6 << 8)

#	define MGA_ZMODE_ZGTE			(7 << 8)

#	define MGA_SOLID			(1 << 11)

#	define MGA_ARZERO			(1 << 12)

#	define MGA_SGNZERO			(1 << 13)

#	define MGA_SHIFTZERO			(1 << 14)

#	define MGA_BOP_MASK			(15 << 16)

#	define MGA_BOP_ZERO			(0 << 16)

#	define MGA_BOP_DST			(10 << 16)

#	define MGA_BOP_SRC			(12 << 16)

#	define MGA_BOP_ONE			(15 << 16)

#	define MGA_TRANS_SHIFT			20

#	define MGA_TRANS_MASK			(15 << 20)

#	define MGA_BLTMOD_MASK			(15 << 25)

#	define MGA_BLTMOD_BMONOLEF		(0 << 25)

#	define MGA_BLTMOD_BMONOWF		(4 << 25)

#	define MGA_BLTMOD_PLAN			(1 << 25)

#	define MGA_BLTMOD_BFCOL			(2 << 25)

#	define MGA_BLTMOD_BU32BGR		(3 << 25)

#	define MGA_BLTMOD_BU32RGB		(7 << 25)

#	define MGA_BLTMOD_BU24BGR		(11 << 25)

#	define MGA_BLTMOD_BU24RGB		(15 << 25)

#	define MGA_PATTERN			(1 << 29)

#	define MGA_TRANSC			(1 << 30)

#	define MGA_CLIPDIS			(1 << 31)

#define MGA_DWGSYNC			0x2c4c


#define MGA_FCOL			0x1c24

#define MGA_FIFOSTATUS			0x1e10

#define MGA_FOGCOL			0x1cf4

#define MGA_FXBNDRY			0x1c84

#define MGA_FXLEFT			0x1ca8

#define MGA_FXRIGHT			0x1cac


#define MGA_ICLEAR			0x1e18

#	define MGA_SOFTRAPICLR			(1 << 0)

#	define MGA_VLINEICLR			(1 << 5)

#define MGA_IEN				0x1e1c

#	define MGA_SOFTRAPIEN			(1 << 0)

#	define MGA_VLINEIEN			(1 << 5)


#define MGA_LEN				0x1c5c


#define MGA_MACCESS			0x1c04


#define MGA_PITCH			0x1c8c

#define MGA_PLNWT			0x1c1c

#define MGA_PRIMADDRESS			0x1e58

#	define MGA_DMA_GENERAL			(0 << 0)

#	define MGA_DMA_BLIT			(1 << 0)

#	define MGA_DMA_VECTOR			(2 << 0)

#	define MGA_DMA_VERTEX			(3 << 0)

#define MGA_PRIMEND			0x1e5c

#	define MGA_PRIMNOSTART			(1 << 0)

#	define MGA_PAGPXFER			(1 << 1)

#define MGA_PRIMPTR			0x1e50

#	define MGA_PRIMPTREN0			(1 << 0)

#	define MGA_PRIMPTREN1			(1 << 1)


#define MGA_RST				0x1e40

#	define MGA_SOFTRESET			(1 << 0)

#	define MGA_SOFTEXTRST			(1 << 1)


#define MGA_SECADDRESS			0x2c40

#define MGA_SECEND			0x2c44

#define MGA_SETUPADDRESS		0x2cd0

#define MGA_SETUPEND			0x2cd4

#define MGA_SGN				0x1c58

#define MGA_SOFTRAP			0x2c48

#define MGA_SRCORG			0x2cb4

#	define MGA_SRMMAP_MASK			(1 << 0)

#	define MGA_SRCMAP_FB			(0 << 0)

#	define MGA_SRCMAP_SYSMEM		(1 << 0)

#	define MGA_SRCACC_MASK			(1 << 1)

#	define MGA_SRCACC_PCI			(0 << 1)

#	define MGA_SRCACC_AGP			(1 << 1)

#define MGA_STATUS			0x1e14

#	define MGA_SOFTRAPEN			(1 << 0)

#	define MGA_VSYNCPEN			(1 << 4)

#	define MGA_VLINEPEN			(1 << 5)

#	define MGA_DWGENGSTS			(1 << 16)

#	define MGA_ENDPRDMASTS			(1 << 17)

#define MGA_STENCIL			0x2cc8

#define MGA_STENCILCTL			0x2ccc


#define MGA_TDUALSTAGE0			0x2cf8

#define MGA_TDUALSTAGE1			0x2cfc

#define MGA_TEXBORDERCOL		0x2c5c

#define MGA_TEXCTL			0x2c30

#define MGA_TEXCTL2			0x2c3c

#	define MGA_DUALTEX			(1 << 7)

#	define MGA_G400_TC2_MAGIC		(1 << 15)

#	define MGA_MAP1_ENABLE			(1 << 31)

#define MGA_TEXFILTER			0x2c58

#define MGA_TEXHEIGHT			0x2c2c

#define MGA_TEXORG			0x2c24

#	define MGA_TEXORGMAP_MASK		(1 << 0)

#	define MGA_TEXORGMAP_FB			(0 << 0)

#	define MGA_TEXORGMAP_SYSMEM		(1 << 0)

#	define MGA_TEXORGACC_MASK		(1 << 1)

#	define MGA_TEXORGACC_PCI		(0 << 1)

#	define MGA_TEXORGACC_AGP		(1 << 1)

#define MGA_TEXORG1			0x2ca4

#define MGA_TEXORG2			0x2ca8

#define MGA_TEXORG3			0x2cac

#define MGA_TEXORG4			0x2cb0

#define MGA_TEXTRANS			0x2c34

#define MGA_TEXTRANSHIGH		0x2c38

#define MGA_TEXWIDTH			0x2c28


#define MGA_WACCEPTSEQ			0x1dd4

#define MGA_WCODEADDR			0x1e6c

#define MGA_WFLAG			0x1dc4

#define MGA_WFLAG1			0x1de0

#define MGA_WFLAGNB			0x1e64

#define MGA_WFLAGNB1			0x1e08

#define MGA_WGETMSB			0x1dc8

#define MGA_WIADDR			0x1dc0

#define MGA_WIADDR2			0x1dd8

#	define MGA_WMODE_SUSPEND		(0 << 0)

#	define MGA_WMODE_RESUME			(1 << 0)

#	define MGA_WMODE_JUMP			(2 << 0)

#	define MGA_WMODE_START			(3 << 0)

#	define MGA_WAGP_ENABLE			(1 << 2)

#define MGA_WMISC			0x1e70

#	define MGA_WUCODECACHE_ENABLE		(1 << 0)

#	define MGA_WMASTER_ENABLE		(1 << 1)

#	define MGA_WCACHEFLUSH_ENABLE		(1 << 3)

#define MGA_WVRTXSZ			0x1dcc


#define MGA_YBOT			0x1c9c

#define MGA_YDST			0x1c90

#define MGA_YDSTLEN			0x1c88

#define MGA_YDSTORG			0x1c94

#define MGA_YTOP			0x1c98


#define MGA_ZORG			0x1c0c

/* This finishes the current batch of commands
 */

#define MGA_EXEC			0x0100

/* AGP PLL encoding (for G200 only).
 */

#define MGA_AGP_PLL			0x1e4c

#	define MGA_AGP2XPLL_DISABLE		(0 << 0)

#	define MGA_AGP2XPLL_ENABLE		(1 << 0)

/* Warp registers
 */

#define MGA_WR0				0x2d00

#define MGA_WR1				0x2d04

#define MGA_WR2				0x2d08

#define MGA_WR3				0x2d0c

#define MGA_WR4				0x2d10

#define MGA_WR5				0x2d14

#define MGA_WR6				0x2d18

#define MGA_WR7				0x2d1c

#define MGA_WR8				0x2d20

#define MGA_WR9				0x2d24

#define MGA_WR10			0x2d28

#define MGA_WR11			0x2d2c

#define MGA_WR12			0x2d30

#define MGA_WR13			0x2d34

#define MGA_WR14			0x2d38

#define MGA_WR15			0x2d3c

#define MGA_WR16			0x2d40

#define MGA_WR17			0x2d44

#define MGA_WR18			0x2d48

#define MGA_WR19			0x2d4c

#define MGA_WR20			0x2d50

#define MGA_WR21			0x2d54

#define MGA_WR22			0x2d58

#define MGA_WR23			0x2d5c

#define MGA_WR24			0x2d60

#define MGA_WR25			0x2d64

#define MGA_WR26			0x2d68

#define MGA_WR27			0x2d6c

#define MGA_WR28			0x2d70

#define MGA_WR29			0x2d74

#define MGA_WR30			0x2d78

#define MGA_WR31			0x2d7c

#define MGA_WR32			0x2d80

#define MGA_WR33			0x2d84

#define MGA_WR34			0x2d88

#define MGA_WR35			0x2d8c

#define MGA_WR36			0x2d90

#define MGA_WR37			0x2d94

#define MGA_WR38			0x2d98

#define MGA_WR39			0x2d9c

#define MGA_WR40			0x2da0

#define MGA_WR41			0x2da4

#define MGA_WR42			0x2da8

#define MGA_WR43			0x2dac

#define MGA_WR44			0x2db0

#define MGA_WR45			0x2db4

#define MGA_WR46			0x2db8

#define MGA_WR47			0x2dbc

#define MGA_WR48			0x2dc0

#define MGA_WR49			0x2dc4

#define MGA_WR50			0x2dc8

#define MGA_WR51			0x2dcc

#define MGA_WR52			0x2dd0

#define MGA_WR53			0x2dd4

#define MGA_WR54			0x2dd8

#define MGA_WR55			0x2ddc

#define MGA_WR56			0x2de0

#define MGA_WR57			0x2de4

#define MGA_WR58			0x2de8

#define MGA_WR59			0x2dec

#define MGA_WR60			0x2df0

#define MGA_WR61			0x2df4

#define MGA_WR62			0x2df8

#define MGA_WR63			0x2dfc

#	define MGA_G400_WR_MAGIC		(1 << 6)

#	define MGA_G400_WR56_MAGIC		0x46480000	
/* 12800.0f */


#define MGA_ILOAD_ALIGN		64

#define MGA_ILOAD_MASK		(MGA_ILOAD_ALIGN - 1)


#define MGA_DWGCTL_FLUSH	(MGA_OPCOD_TEXTURE_TRAP |               \
                                 MGA_ATYPE_I |                          \
                                 MGA_ZMODE_NOZCMP |                     \
                                 MGA_ARZERO |                           \
                                 MGA_SGNZERO |                          \
                                 MGA_BOP_SRC |                          \
                                 (15 << MGA_TRANS_SHIFT))


#define MGA_DWGCTL_CLEAR	(MGA_OPCOD_TRAP |                       \
                                 MGA_ZMODE_NOZCMP |                     \
                                 MGA_SOLID |                            \
                                 MGA_ARZERO |                           \
                                 MGA_SGNZERO |                          \
                                 MGA_SHIFTZERO |                        \
                                 MGA_BOP_SRC |                          \
                                 (0 << MGA_TRANS_SHIFT) |               \
                                 MGA_BLTMOD_BMONOLEF |                  \
                                 MGA_TRANSC |                           \
                                 MGA_CLIPDIS)


#define MGA_DWGCTL_COPY		(MGA_OPCOD_BITBLT |                     \
                                 MGA_ATYPE_RPL |                        \
                                 MGA_SGNZERO |                          \
                                 MGA_SHIFTZERO |                        \
                                 MGA_BOP_SRC |                          \
                                 (0 << MGA_TRANS_SHIFT) |               \
                                 MGA_BLTMOD_BFCOL |                     \
                                 MGA_CLIPDIS)

/* Simple idle test.
 */

static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv) { u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK; return (status == MGA_ENDPRDMASTS); }

Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds28100.00%2100.00%
Total28100.00%2100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds84846.14%621.43%
pre-gitpre-git62033.73%310.71%
dave airliedave airlie23212.62%1035.71%
eric anholteric anholt673.65%13.57%
jesse barnesjesse barnes412.23%13.57%
nicolas kaisernicolas kaiser110.60%13.57%
daniel vetterdaniel vetter100.54%310.71%
thierry redingthierry reding60.33%13.57%
benjamin herrenschmidtbenjamin herrenschmidt20.11%13.57%
rob clarkrob clark10.05%13.57%
Total1838100.00%28100.00%
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