| /* i830_drv.h -- Private header for the I830 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 _I830_DRV_H_ | 
 | #define _I830_DRV_H_ | 
 |  | 
 | /* General customization: | 
 |  */ | 
 |  | 
 | #define DRIVER_AUTHOR		"VA Linux Systems Inc." | 
 |  | 
 | #define DRIVER_NAME		"i830" | 
 | #define DRIVER_DESC		"Intel 830M" | 
 | #define DRIVER_DATE		"20021108" | 
 |  | 
 | /* Interface history: | 
 |  * | 
 |  * 1.1: Original. | 
 |  * 1.2: ? | 
 |  * 1.3: New irq emit/wait ioctls. | 
 |  *      New pageflip ioctl. | 
 |  *      New getparam ioctl. | 
 |  *      State for texunits 3&4 in sarea. | 
 |  *      New (alternative) layout for texture state. | 
 |  */ | 
 | #define DRIVER_MAJOR		1 | 
 | #define DRIVER_MINOR		3 | 
 | #define DRIVER_PATCHLEVEL	2 | 
 |  | 
 | /* Driver will work either way: IRQ's save cpu time when waiting for | 
 |  * the card, but are subject to subtle interactions between bios, | 
 |  * hardware and the driver. | 
 |  */ | 
 | /* XXX: Add vblank support? */ | 
 | #define USE_IRQS 0 | 
 |  | 
 | typedef struct drm_i830_buf_priv { | 
 | 	u32 *in_use; | 
 | 	int my_use_idx; | 
 | 	int currently_mapped; | 
 | 	void __user *virtual; | 
 | 	void *kernel_virtual; | 
 | } drm_i830_buf_priv_t; | 
 |  | 
 | typedef struct _drm_i830_ring_buffer { | 
 | 	int tail_mask; | 
 | 	unsigned long Start; | 
 | 	unsigned long End; | 
 | 	unsigned long Size; | 
 | 	u8 *virtual_start; | 
 | 	int head; | 
 | 	int tail; | 
 | 	int space; | 
 | } drm_i830_ring_buffer_t; | 
 |  | 
 | typedef struct drm_i830_private { | 
 | 	drm_map_t *sarea_map; | 
 | 	drm_map_t *mmio_map; | 
 |  | 
 | 	drm_i830_sarea_t *sarea_priv; | 
 | 	drm_i830_ring_buffer_t ring; | 
 |  | 
 | 	void *hw_status_page; | 
 | 	unsigned long counter; | 
 |  | 
 | 	dma_addr_t dma_status_page; | 
 |  | 
 | 	drm_buf_t *mmap_buffer; | 
 |  | 
 | 	u32 front_di1, back_di1, zi1; | 
 |  | 
 | 	int back_offset; | 
 | 	int depth_offset; | 
 | 	int front_offset; | 
 | 	int w, h; | 
 | 	int pitch; | 
 | 	int back_pitch; | 
 | 	int depth_pitch; | 
 | 	unsigned int cpp; | 
 |  | 
 | 	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 use_mi_batchbuffer_start; | 
 |  | 
 | } drm_i830_private_t; | 
 |  | 
 | extern drm_ioctl_desc_t i830_ioctls[]; | 
 | extern int i830_max_ioctl; | 
 |  | 
 | /* i830_dma.c */ | 
 | extern void i830_reclaim_buffers(drm_device_t * dev, struct file *filp); | 
 |  | 
 | /* i830_irq.c */ | 
 | extern int i830_irq_emit(struct inode *inode, struct file *filp, | 
 | 			 unsigned int cmd, unsigned long arg); | 
 | extern int i830_irq_wait(struct inode *inode, struct file *filp, | 
 | 			 unsigned int cmd, unsigned long arg); | 
 |  | 
 | extern irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS); | 
 | extern void i830_driver_irq_preinstall(drm_device_t * dev); | 
 | extern void i830_driver_irq_postinstall(drm_device_t * dev); | 
 | extern void i830_driver_irq_uninstall(drm_device_t * dev); | 
 | extern void i830_driver_pretakedown(drm_device_t * dev); | 
 | extern void i830_driver_release(drm_device_t * dev, struct file *filp); | 
 | extern int i830_driver_dma_quiescent(drm_device_t * dev); | 
 | extern void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp); | 
 | extern int i830_driver_device_is_agp(drm_device_t * dev); | 
 |  | 
 | #define I830_READ(reg)          DRM_READ32(dev_priv->mmio_map, reg) | 
 | #define I830_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, reg, val) | 
 | #define I830_READ16(reg)        DRM_READ16(dev_priv->mmio_map, reg) | 
 | #define I830_WRITE16(reg,val)   DRM_WRITE16(dev_priv->mmio_map, reg, val) | 
 |  | 
 | #define I830_VERBOSE 0 | 
 |  | 
 | #define RING_LOCALS	unsigned int outring, ringmask, outcount; \ | 
 |                         volatile char *virt; | 
 |  | 
 | #define BEGIN_LP_RING(n) do {				\ | 
 | 	if (I830_VERBOSE)				\ | 
 | 		printk("BEGIN_LP_RING(%d) in %s\n",	\ | 
 | 			  n, __FUNCTION__);		\ | 
 | 	if (dev_priv->ring.space < n*4)			\ | 
 | 		i830_wait_ring(dev, n*4, __FUNCTION__);		\ | 
 | 	outcount = 0;					\ | 
 | 	outring = dev_priv->ring.tail;			\ | 
 | 	ringmask = dev_priv->ring.tail_mask;		\ | 
 | 	virt = dev_priv->ring.virtual_start;		\ | 
 | } while (0) | 
 |  | 
 | #define OUT_RING(n) do {					\ | 
 | 	if (I830_VERBOSE) printk("   OUT_RING %x\n", (int)(n));	\ | 
 | 	*(volatile unsigned int *)(virt + outring) = n;		\ | 
 |         outcount++;						\ | 
 | 	outring += 4;						\ | 
 | 	outring &= ringmask;					\ | 
 | } while (0) | 
 |  | 
 | #define ADVANCE_LP_RING() do {						\ | 
 | 	if (I830_VERBOSE) printk("ADVANCE_LP_RING %x\n", outring);	\ | 
 | 	dev_priv->ring.tail = outring;					\ | 
 | 	dev_priv->ring.space -= outcount * 4;				\ | 
 | 	I830_WRITE(LP_RING + RING_TAIL, outring);			\ | 
 | } while(0) | 
 |  | 
 | extern int i830_wait_ring(drm_device_t * dev, int n, const char *caller); | 
 |  | 
 | #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 STATE3D_LOAD_STATE_IMMEDIATE_2      ((0x3<<29)|(0x1d<<24)|(0x03<<16)) | 
 | #define LOAD_TEXTURE_MAP0                   (1<<11) | 
 |  | 
 | #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 I830REG_HWSTAM		0x02098 | 
 | #define I830REG_INT_IDENTITY_R	0x020a4 | 
 | #define I830REG_INT_MASK_R 	0x020a8 | 
 | #define I830REG_INT_ENABLE_R	0x020a0 | 
 |  | 
 | #define I830_IRQ_RESERVED ((1<<13)|(3<<2)) | 
 |  | 
 | #define LP_RING     		0x2030 | 
 | #define HP_RING     		0x2040 | 
 | #define RING_TAIL      		0x00 | 
 | #define TAIL_ADDR		0x001FFFF8 | 
 | #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          	0x0xFFFFF000 | 
 | #define RING_LEN       		0x0C | 
 | #define RING_NR_PAGES       	0x001FF000 | 
 | #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_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19)) | 
 | #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) | 
 | #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)|0x4) | 
 | #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_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) | 
 |  | 
 | #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) | 
 | #define ASYNC_FLIP                (1<<22) | 
 |  | 
 | #define CMD_3D                          (0x3<<29) | 
 | #define STATE3D_CONST_BLEND_COLOR_CMD   (CMD_3D|(0x1d<<24)|(0x88<<16)) | 
 | #define STATE3D_MAP_COORD_SETBIND_CMD   (CMD_3D|(0x1d<<24)|(0x02<<16)) | 
 |  | 
 | #define BR00_BITBLT_CLIENT   0x40000000 | 
 | #define BR00_OP_COLOR_BLT    0x10000000 | 
 | #define BR00_OP_SRC_COPY_BLT 0x10C00000 | 
 | #define BR13_SOLID_PATTERN   0x80000000 | 
 |  | 
 | #define BUF_3D_ID_COLOR_BACK    (0x3<<24) | 
 | #define BUF_3D_ID_DEPTH         (0x7<<24) | 
 | #define BUF_3D_USE_FENCE        (1<<23) | 
 | #define BUF_3D_PITCH(x)         (((x)/4)<<2) | 
 |  | 
 | #define CMD_OP_MAP_PALETTE_LOAD	((3<<29)|(0x1d<<24)|(0x82<<16)|255) | 
 | #define MAP_PALETTE_NUM(x)	((x<<8) & (1<<8)) | 
 | #define MAP_PALETTE_BOTH	(1<<11) | 
 |  | 
 | #define XY_COLOR_BLT_CMD		((2<<29)|(0x50<<22)|0x4) | 
 | #define XY_COLOR_BLT_WRITE_ALPHA	(1<<21) | 
 | #define XY_COLOR_BLT_WRITE_RGB		(1<<20) | 
 |  | 
 | #define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6) | 
 | #define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21) | 
 | #define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20) | 
 |  | 
 | #define MI_BATCH_BUFFER 	((0x30<<23)|1) | 
 | #define MI_BATCH_BUFFER_START 	(0x31<<23) | 
 | #define MI_BATCH_BUFFER_END 	(0xA<<23) | 
 | #define MI_BATCH_NON_SECURE	(1) | 
 |  | 
 | #define MI_WAIT_FOR_EVENT       ((0x3<<23)) | 
 | #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2) | 
 | #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) | 
 |  | 
 | #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23)) | 
 |  | 
 | #endif |