i915.o drm driver

1 files changed, 228 insertions, 0 deletions

diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
new file mode 100644
index 00000000..ba306c65
--- /dev/null
+++ b/shared-core/i915_drv.h
@@ -0,0 +1,228 @@
+/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
+ */
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ **************************************************************************/
+
+#ifndef _I915_DRV_H_
+#define _I915_DRV_H_
+
+
+typedef struct _drm_i915_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_i915_ring_buffer_t;
+
+struct mem_block {
+	struct mem_block *next;
+	struct mem_block *prev;
+	int start;
+	int size;
+	DRMFILE filp;		/* 0: free, -1: heap, other: real files */
+};
+
+typedef struct drm_i915_private {
+	drm_local_map_t *sarea;
+	drm_local_map_t *mmio_map;
+
+	drm_i915_sarea_t *sarea_priv;
+   	drm_i915_ring_buffer_t ring;
+
+      	void * hw_status_page;
+   	unsigned long counter;
+	dma_addr_t dma_status_page;
+
+	
+	int back_offset;
+	int front_offset;
+	int current_page;
+	int page_flipping;
+	int use_mi_batchbuffer_start;
+	
+
+	wait_queue_head_t irq_queue;
+   	atomic_t irq_received;
+   	atomic_t irq_emitted;
+
+	int tex_lru_log_granularity;
+	int allow_batchbuffer;
+	struct mem_block *agp_heap;
+} drm_i915_private_t;
+
+				/* i915_dma.c */
+extern int i915_dma_init( DRM_IOCTL_ARGS );
+extern int i915_cleanup(drm_device_t *dev);
+extern int i915_flush_ioctl( DRM_IOCTL_ARGS );
+extern int i915_batchbuffer( DRM_IOCTL_ARGS );
+extern int i915_flip_bufs( DRM_IOCTL_ARGS );
+extern int i915_getparam(  DRM_IOCTL_ARGS );
+extern int i915_setparam(  DRM_IOCTL_ARGS );
+extern int i915_cmdbuffer( DRM_IOCTL_ARGS );
+extern void i915_kernel_lost_context(drm_device_t *dev);
+
+/* i915_irq.c */
+extern int i915_irq_emit(  DRM_IOCTL_ARGS );
+extern int i915_irq_wait(  DRM_IOCTL_ARGS );
+extern int i915_wait_irq(drm_device_t *dev, int irq_nr);
+extern int i915_emit_irq(drm_device_t *dev);
+
+
+/* i915_mem.c */
+extern int i915_mem_alloc( DRM_IOCTL_ARGS );
+extern int i915_mem_free( DRM_IOCTL_ARGS );
+extern int i915_mem_init_heap( DRM_IOCTL_ARGS );
+extern void i915_mem_takedown( struct mem_block **heap );
+extern void i915_mem_release( drm_device_t *dev, 
+			      DRMFILE filp, struct mem_block *heap );
+
+#define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, reg)
+#define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, reg, val)
+#define I915_READ16(reg) 	DRM_READ16(dev_priv->mmio_map, reg)
+#define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, reg, val)
+
+
+
+#define I915_VERBOSE 0
+
+#define RING_LOCALS	unsigned int outring, ringmask, outcount; \
+                        volatile char *virt;
+
+#define BEGIN_LP_RING(n) do {				\
+	if (I915_VERBOSE)				\
+		DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n",	\
+			  n, __FUNCTION__);		\
+	if (dev_priv->ring.space < n*4)			\
+		i915_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 (I915_VERBOSE) DRM_DEBUG("   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 (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
+	dev_priv->ring.tail = outring;					\
+	dev_priv->ring.space -= outcount * 4;				\
+	I915_WRITE(LP_RING + RING_TAIL, outring);			\
+} while(0)
+
+extern int i915_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 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 I915REG_HWSTAM		0x02098
+#define I915REG_INT_IDENTITY_R	0x020a4
+#define I915REG_INT_MASK_R 	0x020a8
+#define I915REG_INT_ENABLE_R	0x020a0
+
+#define SRX_INDEX		0x3c4
+#define SRX_DATA		0x3c5
+#define SR01			1
+#define SR01_SCREEN_OFF 	(1<<5)
+
+#define PPCR			0x61204
+#define PPCR_ON			(1<<0)
+
+#define ADPA			0x61100
+#define ADPA_DPMS_MASK		(~(3<<10))
+#define ADPA_DPMS_ON		(0<<10)
+#define ADPA_DPMS_SUSPEND	(1<<10)
+#define ADPA_DPMS_STANDBY	(2<<10)
+#define ADPA_DPMS_OFF		(3<<10)
+
+#define NOPID                   0x2094
+#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 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))
+
+#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
+#define ASYNC_FLIP                (1<<22)
+
+#define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+
+#endif
+