drm: reorganise drm tree to be more future proof.

With the coming of kernel based modesetting and the memory manager stuff,
the everything in one directory approach was getting very ugly and
starting to be unmanageable.

This restructures the drm along the lines of other kernel components.

It creates a drivers/gpu/drm directory and moves the hw drivers into
subdirectores. It moves the includes into an include/drm, and
sets up the unifdef for the userspace headers we should be exporting.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 326 insertions, 0 deletions

diff --git a/include/drm/r128_drm.h b/include/drm/r128_drm.h
new file mode 100644
index 000000000000..8d8878b55f55
--- /dev/null
+++ b/include/drm/r128_drm.h
@@ -0,0 +1,326 @@
+/* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-
+ * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
+ */
+/*
+ * Copyright 2000 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:
+ *    Gareth Hughes <gareth@valinux.com>
+ *    Kevin E. Martin <martin@valinux.com>
+ */
+
+#ifndef __R128_DRM_H__
+#define __R128_DRM_H__
+
+/* WARNING: If you change any of these defines, make sure to change the
+ * defines in the X server file (r128_sarea.h)
+ */
+#ifndef __R128_SAREA_DEFINES__
+#define __R128_SAREA_DEFINES__
+
+/* What needs to be changed for the current vertex buffer?
+ */
+#define R128_UPLOAD_CONTEXT             0x001
+#define R128_UPLOAD_SETUP               0x002
+#define R128_UPLOAD_TEX0                0x004
+#define R128_UPLOAD_TEX1                0x008
+#define R128_UPLOAD_TEX0IMAGES          0x010
+#define R128_UPLOAD_TEX1IMAGES          0x020
+#define R128_UPLOAD_CORE                0x040
+#define R128_UPLOAD_MASKS               0x080
+#define R128_UPLOAD_WINDOW              0x100
+#define R128_UPLOAD_CLIPRECTS           0x200   /* handled client-side */
+#define R128_REQUIRE_QUIESCENCE         0x400
+#define R128_UPLOAD_ALL                 0x7ff
+
+#define R128_FRONT                      0x1
+#define R128_BACK                       0x2
+#define R128_DEPTH                      0x4
+
+/* Primitive types
+ */
+#define R128_POINTS                     0x1
+#define R128_LINES                      0x2
+#define R128_LINE_STRIP                 0x3
+#define R128_TRIANGLES                  0x4
+#define R128_TRIANGLE_FAN               0x5
+#define R128_TRIANGLE_STRIP             0x6
+
+/* Vertex/indirect buffer size
+ */
+#define R128_BUFFER_SIZE                16384
+
+/* Byte offsets for indirect buffer data
+ */
+#define R128_INDEX_PRIM_OFFSET          20
+#define R128_HOSTDATA_BLIT_OFFSET       32
+
+/* Keep these small for testing.
+ */
+#define R128_NR_SAREA_CLIPRECTS         12
+
+/* There are 2 heaps (local/AGP).  Each region within a heap is a
+ *  minimum of 64k, and there are at most 64 of them per heap.
+ */
+#define R128_LOCAL_TEX_HEAP             0
+#define R128_AGP_TEX_HEAP               1
+#define R128_NR_TEX_HEAPS               2
+#define R128_NR_TEX_REGIONS             64
+#define R128_LOG_TEX_GRANULARITY        16
+
+#define R128_NR_CONTEXT_REGS            12
+
+#define R128_MAX_TEXTURE_LEVELS         11
+#define R128_MAX_TEXTURE_UNITS          2
+
+#endif                          /* __R128_SAREA_DEFINES__ */
+
+typedef struct {
+        /* Context state - can be written in one large chunk */
+        unsigned int dst_pitch_offset_c;
+        unsigned int dp_gui_master_cntl_c;
+        unsigned int sc_top_left_c;
+        unsigned int sc_bottom_right_c;
+        unsigned int z_offset_c;
+        unsigned int z_pitch_c;
+        unsigned int z_sten_cntl_c;
+        unsigned int tex_cntl_c;
+        unsigned int misc_3d_state_cntl_reg;
+        unsigned int texture_clr_cmp_clr_c;
+        unsigned int texture_clr_cmp_msk_c;
+        unsigned int fog_color_c;
+
+        /* Texture state */
+        unsigned int tex_size_pitch_c;
+        unsigned int constant_color_c;
+
+        /* Setup state */
+        unsigned int pm4_vc_fpu_setup;
+        unsigned int setup_cntl;
+
+        /* Mask state */
+        unsigned int dp_write_mask;
+        unsigned int sten_ref_mask_c;
+        unsigned int plane_3d_mask_c;
+
+        /* Window state */
+        unsigned int window_xy_offset;
+
+        /* Core state */
+        unsigned int scale_3d_cntl;
+} drm_r128_context_regs_t;
+
+/* Setup registers for each texture unit
+ */
+typedef struct {
+        unsigned int tex_cntl;
+        unsigned int tex_combine_cntl;
+        unsigned int tex_size_pitch;
+        unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
+        unsigned int tex_border_color;
+} drm_r128_texture_regs_t;
+
+typedef struct drm_r128_sarea {
+        /* The channel for communication of state information to the kernel
+         * on firing a vertex buffer.
+         */
+        drm_r128_context_regs_t context_state;
+        drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS];
+        unsigned int dirty;
+        unsigned int vertsize;
+        unsigned int vc_format;
+
+        /* The current cliprects, or a subset thereof.
+         */
+        struct drm_clip_rect boxes[R128_NR_SAREA_CLIPRECTS];
+        unsigned int nbox;
+
+        /* Counters for client-side throttling of rendering clients.
+         */
+        unsigned int last_frame;
+        unsigned int last_dispatch;
+
+        struct drm_tex_region tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS + 1];
+        unsigned int tex_age[R128_NR_TEX_HEAPS];
+        int ctx_owner;
+        int pfAllowPageFlip;    /* number of 3d windows (0,1,2 or more) */
+        int pfCurrentPage;      /* which buffer is being displayed? */
+} drm_r128_sarea_t;
+
+/* WARNING: If you change any of these defines, make sure to change the
+ * defines in the Xserver file (xf86drmR128.h)
+ */
+
+/* Rage 128 specific ioctls
+ * The device specific ioctl range is 0x40 to 0x79.
+ */
+#define DRM_R128_INIT       0x00
+#define DRM_R128_CCE_START  0x01
+#define DRM_R128_CCE_STOP   0x02
+#define DRM_R128_CCE_RESET  0x03
+#define DRM_R128_CCE_IDLE   0x04
+/* 0x05 not used */
+#define DRM_R128_RESET      0x06
+#define DRM_R128_SWAP       0x07
+#define DRM_R128_CLEAR      0x08
+#define DRM_R128_VERTEX     0x09
+#define DRM_R128_INDICES    0x0a
+#define DRM_R128_BLIT       0x0b
+#define DRM_R128_DEPTH      0x0c
+#define DRM_R128_STIPPLE    0x0d
+/* 0x0e not used */
+#define DRM_R128_INDIRECT   0x0f
+#define DRM_R128_FULLSCREEN 0x10
+#define DRM_R128_CLEAR2     0x11
+#define DRM_R128_GETPARAM   0x12
+#define DRM_R128_FLIP       0x13
+
+#define DRM_IOCTL_R128_INIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t)
+#define DRM_IOCTL_R128_CCE_START  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_START)
+#define DRM_IOCTL_R128_CCE_STOP   DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t)
+#define DRM_IOCTL_R128_CCE_RESET  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_RESET)
+#define DRM_IOCTL_R128_CCE_IDLE   DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_IDLE)
+/* 0x05 not used */
+#define DRM_IOCTL_R128_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_R128_RESET)
+#define DRM_IOCTL_R128_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_SWAP)
+#define DRM_IOCTL_R128_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t)
+#define DRM_IOCTL_R128_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t)
+#define DRM_IOCTL_R128_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t)
+#define DRM_IOCTL_R128_BLIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t)
+#define DRM_IOCTL_R128_DEPTH      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t)
+#define DRM_IOCTL_R128_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t)
+/* 0x0e not used */
+#define DRM_IOCTL_R128_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t)
+#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t)
+#define DRM_IOCTL_R128_CLEAR2     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t)
+#define DRM_IOCTL_R128_GETPARAM   DRM_IOWR( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t)
+#define DRM_IOCTL_R128_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_FLIP)
+
+typedef struct drm_r128_init {
+        enum {
+                R128_INIT_CCE = 0x01,
+                R128_CLEANUP_CCE = 0x02
+        } func;
+        unsigned long sarea_priv_offset;
+        int is_pci;
+        int cce_mode;
+        int cce_secure;
+        int ring_size;
+        int usec_timeout;
+
+        unsigned int fb_bpp;
+        unsigned int front_offset, front_pitch;
+        unsigned int back_offset, back_pitch;
+        unsigned int depth_bpp;
+        unsigned int depth_offset, depth_pitch;
+        unsigned int span_offset;
+
+        unsigned long fb_offset;
+        unsigned long mmio_offset;
+        unsigned long ring_offset;
+        unsigned long ring_rptr_offset;
+        unsigned long buffers_offset;
+        unsigned long agp_textures_offset;
+} drm_r128_init_t;
+
+typedef struct drm_r128_cce_stop {
+        int flush;
+        int idle;
+} drm_r128_cce_stop_t;
+
+typedef struct drm_r128_clear {
+        unsigned int flags;
+        unsigned int clear_color;
+        unsigned int clear_depth;
+        unsigned int color_mask;
+        unsigned int depth_mask;
+} drm_r128_clear_t;
+
+typedef struct drm_r128_vertex {
+        int prim;
+        int idx;                /* Index of vertex buffer */
+        int count;              /* Number of vertices in buffer */
+        int discard;            /* Client finished with buffer? */
+} drm_r128_vertex_t;
+
+typedef struct drm_r128_indices {
+        int prim;
+        int idx;
+        int start;
+        int end;
+        int discard;            /* Client finished with buffer? */
+} drm_r128_indices_t;
+
+typedef struct drm_r128_blit {
+        int idx;
+        int pitch;
+        int offset;
+        int format;
+        unsigned short x, y;
+        unsigned short width, height;
+} drm_r128_blit_t;
+
+typedef struct drm_r128_depth {
+        enum {
+                R128_WRITE_SPAN = 0x01,
+                R128_WRITE_PIXELS = 0x02,
+                R128_READ_SPAN = 0x03,
+                R128_READ_PIXELS = 0x04
+        } func;
+        int n;
+        int __user *x;
+        int __user *y;
+        unsigned int __user *buffer;
+        unsigned char __user *mask;
+} drm_r128_depth_t;
+
+typedef struct drm_r128_stipple {
+        unsigned int __user *mask;
+} drm_r128_stipple_t;
+
+typedef struct drm_r128_indirect {
+        int idx;
+        int start;
+        int end;
+        int discard;
+} drm_r128_indirect_t;
+
+typedef struct drm_r128_fullscreen {
+        enum {
+                R128_INIT_FULLSCREEN = 0x01,
+                R128_CLEANUP_FULLSCREEN = 0x02
+        } func;
+} drm_r128_fullscreen_t;
+
+/* 2.3: An ioctl to get parameters that aren't available to the 3d
+ * client any other way.
+ */
+#define R128_PARAM_IRQ_NR            1
+
+typedef struct drm_r128_getparam {
+        int param;
+        void __user *value;
+} drm_r128_getparam_t;
+
+#endif