drm/radeon/kms: add r600 KMS support

This adds the r600 KMS + CS support to the Linux kernel.

The r600 TTM support is quite basic and still needs more
work esp around using interrupts, but the polled fencing
should work okay for now.

Also currently TTM is using memcpy to do VRAM moves,
the code is here to use a 3D blit to do this, but
isn't fully debugged yet.

Authors:
Alex Deucher <alexdeucher@gmail.com>
Dave Airlie <airlied@redhat.com>
Jerome Glisse <jglisse@redhat.com>

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 40294a0..c7b1859 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -356,6 +356,12 @@
 	int r700_sc_hiz_tile_fifo_size;
 	int r700_sc_earlyz_tile_fifo_fize;
 
+	struct mutex cs_mutex;
+	u32 cs_id_scnt;
+	u32 cs_id_wcnt;
+	/* r6xx/r7xx drm blit vertex buffer */
+	struct drm_buf *blit_vb;
+
 	/* firmware */
 	const struct firmware *me_fw, *pfp_fw;
 } drm_radeon_private_t;
@@ -396,6 +402,9 @@
 		(off >= gart_start && off <= gart_end));
 }
 
+/* radeon_state.c */
+extern void radeon_cp_discard_buffer(struct drm_device *dev, struct drm_master *master, struct drm_buf *buf);
+
 				/* radeon_cp.c */
 extern int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
 extern int radeon_cp_start(struct drm_device *dev, void *data, struct drm_file *file_priv);
@@ -487,6 +496,22 @@
 				     struct drm_buf *buf, int start, int end);
 extern int r600_page_table_init(struct drm_device *dev);
 extern void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info);
+extern int r600_cs_legacy_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv);
+extern void r600_cp_dispatch_swap(struct drm_device *dev, struct drm_file *file_priv);
+extern int r600_cp_dispatch_texture(struct drm_device *dev,
+				    struct drm_file *file_priv,
+				    drm_radeon_texture_t *tex,
+				    drm_radeon_tex_image_t *image);
+/* r600_blit.c */
+extern int r600_prepare_blit_copy(struct drm_device *dev, struct drm_file *file_priv);
+extern void r600_done_blit_copy(struct drm_device *dev);
+extern void r600_blit_copy(struct drm_device *dev,
+			   uint64_t src_gpu_addr, uint64_t dst_gpu_addr,
+			   int size_bytes);
+extern void r600_blit_swap(struct drm_device *dev,
+			   uint64_t src_gpu_addr, uint64_t dst_gpu_addr,
+			   int sx, int sy, int dx, int dy,
+			   int w, int h, int src_pitch, int dst_pitch, int cpp);
 
 /* Flags for stats.boxes
  */
@@ -1114,13 +1139,71 @@
 #	define RADEON_CNTL_BITBLT_MULTI		0x00009B00
 #	define RADEON_CNTL_SET_SCISSORS		0xC0001E00
 
-#	define R600_IT_INDIRECT_BUFFER		0x00003200
-#	define R600_IT_ME_INITIALIZE		0x00004400
+#       define R600_IT_INDIRECT_BUFFER_END      0x00001700
+#       define R600_IT_SET_PREDICATION          0x00002000
+#       define R600_IT_REG_RMW                  0x00002100
+#       define R600_IT_COND_EXEC                0x00002200
+#       define R600_IT_PRED_EXEC                0x00002300
+#       define R600_IT_START_3D_CMDBUF          0x00002400
+#       define R600_IT_DRAW_INDEX_2             0x00002700
+#       define R600_IT_CONTEXT_CONTROL          0x00002800
+#       define R600_IT_DRAW_INDEX_IMMD_BE       0x00002900
+#       define R600_IT_INDEX_TYPE               0x00002A00
+#       define R600_IT_DRAW_INDEX               0x00002B00
+#       define R600_IT_DRAW_INDEX_AUTO          0x00002D00
+#       define R600_IT_DRAW_INDEX_IMMD          0x00002E00
+#       define R600_IT_NUM_INSTANCES            0x00002F00
+#       define R600_IT_STRMOUT_BUFFER_UPDATE    0x00003400
+#       define R600_IT_INDIRECT_BUFFER_MP       0x00003800
+#       define R600_IT_MEM_SEMAPHORE            0x00003900
+#       define R600_IT_MPEG_INDEX               0x00003A00
+#       define R600_IT_WAIT_REG_MEM             0x00003C00
+#       define R600_IT_MEM_WRITE                0x00003D00
+#       define R600_IT_INDIRECT_BUFFER          0x00003200
+#       define R600_IT_CP_INTERRUPT             0x00004000
+#       define R600_IT_SURFACE_SYNC             0x00004300
+#              define R600_CB0_DEST_BASE_ENA    (1 << 6)
+#              define R600_TC_ACTION_ENA        (1 << 23)
+#              define R600_VC_ACTION_ENA        (1 << 24)
+#              define R600_CB_ACTION_ENA        (1 << 25)
+#              define R600_DB_ACTION_ENA        (1 << 26)
+#              define R600_SH_ACTION_ENA        (1 << 27)
+#              define R600_SMX_ACTION_ENA       (1 << 28)
+#       define R600_IT_ME_INITIALIZE            0x00004400
 #	       define R600_ME_INITIALIZE_DEVICE_ID(x) ((x) << 16)
-#	define R600_IT_EVENT_WRITE		0x00004600
-#	define R600_IT_SET_CONFIG_REG		0x00006800
-#	define R600_SET_CONFIG_REG_OFFSET       0x00008000
-#	define R600_SET_CONFIG_REG_END          0x0000ac00
+#       define R600_IT_COND_WRITE               0x00004500
+#       define R600_IT_EVENT_WRITE              0x00004600
+#       define R600_IT_EVENT_WRITE_EOP          0x00004700
+#       define R600_IT_ONE_REG_WRITE            0x00005700
+#       define R600_IT_SET_CONFIG_REG           0x00006800
+#              define R600_SET_CONFIG_REG_OFFSET 0x00008000
+#              define R600_SET_CONFIG_REG_END   0x0000ac00
+#       define R600_IT_SET_CONTEXT_REG          0x00006900
+#              define R600_SET_CONTEXT_REG_OFFSET 0x00028000
+#              define R600_SET_CONTEXT_REG_END  0x00029000
+#       define R600_IT_SET_ALU_CONST            0x00006A00
+#              define R600_SET_ALU_CONST_OFFSET 0x00030000
+#              define R600_SET_ALU_CONST_END    0x00032000
+#       define R600_IT_SET_BOOL_CONST           0x00006B00
+#              define R600_SET_BOOL_CONST_OFFSET 0x0003e380
+#              define R600_SET_BOOL_CONST_END   0x00040000
+#       define R600_IT_SET_LOOP_CONST           0x00006C00
+#              define R600_SET_LOOP_CONST_OFFSET 0x0003e200
+#              define R600_SET_LOOP_CONST_END   0x0003e380
+#       define R600_IT_SET_RESOURCE             0x00006D00
+#              define R600_SET_RESOURCE_OFFSET  0x00038000
+#              define R600_SET_RESOURCE_END     0x0003c000
+#              define R600_SQ_TEX_VTX_INVALID_TEXTURE  0x0
+#              define R600_SQ_TEX_VTX_INVALID_BUFFER   0x1
+#              define R600_SQ_TEX_VTX_VALID_TEXTURE    0x2
+#              define R600_SQ_TEX_VTX_VALID_BUFFER     0x3
+#       define R600_IT_SET_SAMPLER              0x00006E00
+#              define R600_SET_SAMPLER_OFFSET   0x0003c000
+#              define R600_SET_SAMPLER_END      0x0003cff0
+#       define R600_IT_SET_CTL_CONST            0x00006F00
+#              define R600_SET_CTL_CONST_OFFSET 0x0003cff0
+#              define R600_SET_CTL_CONST_END    0x0003e200
+#       define R600_IT_SURFACE_BASE_UPDATE      0x00007300
 
 #define RADEON_CP_PACKET_MASK		0xC0000000
 #define RADEON_CP_PACKET_COUNT_MASK	0x3fff0000
@@ -1598,6 +1681,52 @@
 #define R600_CB_COLOR7_BASE                                    0x2805c
 #define R600_CB_COLOR7_FRAG                                    0x280fc
 
+#define R600_CB_COLOR0_SIZE                                    0x28060
+#define R600_CB_COLOR0_VIEW                                    0x28080
+#define R600_CB_COLOR0_INFO                                    0x280a0
+#define R600_CB_COLOR0_TILE                                    0x280c0
+#define R600_CB_COLOR0_FRAG                                    0x280e0
+#define R600_CB_COLOR0_MASK                                    0x28100
+
+#define AVIVO_D1MODE_VLINE_START_END                           0x6538
+#define AVIVO_D2MODE_VLINE_START_END                           0x6d38
+#define R600_CP_COHER_BASE                                     0x85f8
+#define R600_DB_DEPTH_BASE                                     0x2800c
+#define R600_SQ_PGM_START_FS                                   0x28894
+#define R600_SQ_PGM_START_ES                                   0x28880
+#define R600_SQ_PGM_START_VS                                   0x28858
+#define R600_SQ_PGM_RESOURCES_VS                               0x28868
+#define R600_SQ_PGM_CF_OFFSET_VS                               0x288d0
+#define R600_SQ_PGM_START_GS                                   0x2886c
+#define R600_SQ_PGM_START_PS                                   0x28840
+#define R600_SQ_PGM_RESOURCES_PS                               0x28850
+#define R600_SQ_PGM_EXPORTS_PS                                 0x28854
+#define R600_SQ_PGM_CF_OFFSET_PS                               0x288cc
+#define R600_VGT_DMA_BASE                                      0x287e8
+#define R600_VGT_DMA_BASE_HI                                   0x287e4
+#define R600_VGT_STRMOUT_BASE_OFFSET_0                         0x28b10
+#define R600_VGT_STRMOUT_BASE_OFFSET_1                         0x28b14
+#define R600_VGT_STRMOUT_BASE_OFFSET_2                         0x28b18
+#define R600_VGT_STRMOUT_BASE_OFFSET_3                         0x28b1c
+#define R600_VGT_STRMOUT_BASE_OFFSET_HI_0                      0x28b44
+#define R600_VGT_STRMOUT_BASE_OFFSET_HI_1                      0x28b48
+#define R600_VGT_STRMOUT_BASE_OFFSET_HI_2                      0x28b4c
+#define R600_VGT_STRMOUT_BASE_OFFSET_HI_3                      0x28b50
+#define R600_VGT_STRMOUT_BUFFER_BASE_0                         0x28ad8
+#define R600_VGT_STRMOUT_BUFFER_BASE_1                         0x28ae8
+#define R600_VGT_STRMOUT_BUFFER_BASE_2                         0x28af8
+#define R600_VGT_STRMOUT_BUFFER_BASE_3                         0x28b08
+#define R600_VGT_STRMOUT_BUFFER_OFFSET_0                       0x28adc
+#define R600_VGT_STRMOUT_BUFFER_OFFSET_1                       0x28aec
+#define R600_VGT_STRMOUT_BUFFER_OFFSET_2                       0x28afc
+#define R600_VGT_STRMOUT_BUFFER_OFFSET_3                       0x28b0c
+
+#define R600_VGT_PRIMITIVE_TYPE                                0x8958
+
+#define R600_PA_SC_SCREEN_SCISSOR_TL                           0x28030
+#define R600_PA_SC_GENERIC_SCISSOR_TL                          0x28240
+#define R600_PA_SC_WINDOW_SCISSOR_TL                           0x28204
+
 #define R600_TC_CNTL                                           0x9608
 #       define R600_TC_L2_SIZE(x)                              ((x) << 5)
 #       define R600_L2_DISABLE_LATE_HIT                        (1 << 9)