1 files changed, 301 insertions, 0 deletions

diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h
new file mode 100644
index 000000000000..d4b2d093d6ab
--- /dev/null
+++ b/drivers/char/drm/i830_drv.h
@@ -0,0 +1,301 @@
+/* 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;
+
+/* i830_dma.c */
+extern void i830_reclaim_buffers(drm_device_t *dev, struct file *filp);
+
+extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
+
+/* 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);
+
+#define I830_BASE(reg)          ((unsigned long) \
+                                dev_priv->mmio_map->handle)
+#define I830_ADDR(reg)          (I830_BASE(reg) + reg)
+#define I830_DEREF(reg)         *(__volatile__ unsigned int *)I830_ADDR(reg)
+#define I830_READ(reg)          readl((volatile u32 *)I830_ADDR(reg))
+#define I830_WRITE(reg,val)     writel(val, (volatile u32 *)I830_ADDR(reg))
+#define I830_DEREF16(reg)       *(__volatile__ u16 *)I830_ADDR(reg)
+#define I830_READ16(reg)        I830_DEREF16(reg)
+#define I830_WRITE16(reg,val)   do { I830_DEREF16(reg) = val; } while (0)
+
+
+
+#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
+