Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / r600_blit.c
diff --git a/kernel/drivers/gpu/drm/radeon/r600_blit.c b/kernel/drivers/gpu/drm/radeon/r600_blit.c
new file mode 100644 (file)
index 0000000..daf7572
--- /dev/null
@@ -0,0 +1,874 @@
+/*
+ * Copyright 2009 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * THE COPYRIGHT HOLDER(S) 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:
+ *     Alex Deucher <alexander.deucher@amd.com>
+ *
+ * ------------------------ This file is DEPRECATED! -------------------------
+ */
+#include <drm/drmP.h>
+#include <drm/radeon_drm.h>
+#include "radeon_drv.h"
+
+#include "r600_blit_shaders.h"
+
+/* 23 bits of float fractional data */
+#define I2F_FRAC_BITS  23
+#define I2F_MASK ((1 << I2F_FRAC_BITS) - 1)
+
+/*
+ * Converts unsigned integer into 32-bit IEEE floating point representation.
+ * Will be exact from 0 to 2^24.  Above that, we round towards zero
+ * as the fractional bits will not fit in a float.  (It would be better to
+ * round towards even as the fpu does, but that is slower.)
+ */
+static __pure uint32_t int2float(uint32_t x)
+{
+       uint32_t msb, exponent, fraction;
+
+       /* Zero is special */
+       if (!x) return 0;
+
+       /* Get location of the most significant bit */
+       msb = __fls(x);
+
+       /*
+        * Use a rotate instead of a shift because that works both leftwards
+        * and rightwards due to the mod(32) behaviour.  This means we don't
+        * need to check to see if we are above 2^24 or not.
+        */
+       fraction = ror32(x, (msb - I2F_FRAC_BITS) & 0x1f) & I2F_MASK;
+       exponent = (127 + msb) << I2F_FRAC_BITS;
+
+       return fraction + exponent;
+}
+
+#define DI_PT_RECTLIST        0x11
+#define DI_INDEX_SIZE_16_BIT  0x0
+#define DI_SRC_SEL_AUTO_INDEX 0x2
+
+#define FMT_8                 0x1
+#define FMT_5_6_5             0x8
+#define FMT_8_8_8_8           0x1a
+#define COLOR_8               0x1
+#define COLOR_5_6_5           0x8
+#define COLOR_8_8_8_8         0x1a
+
+static void
+set_render_target(drm_radeon_private_t *dev_priv, int format, int w, int h, u64 gpu_addr)
+{
+       u32 cb_color_info;
+       int pitch, slice;
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       h = ALIGN(h, 8);
+       if (h < 8)
+               h = 8;
+
+       cb_color_info = ((format << 2) | (1 << 27));
+       pitch = (w / 8) - 1;
+       slice = ((w * h) / 64) - 1;
+
+       if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600) &&
+           ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770)) {
+               BEGIN_RING(21 + 2);
+               OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+               OUT_RING((R600_CB_COLOR0_BASE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+               OUT_RING(gpu_addr >> 8);
+               OUT_RING(CP_PACKET3(R600_IT_SURFACE_BASE_UPDATE, 0));
+               OUT_RING(2 << 0);
+       } else {
+               BEGIN_RING(21);
+               OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+               OUT_RING((R600_CB_COLOR0_BASE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+               OUT_RING(gpu_addr >> 8);
+       }
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_CB_COLOR0_SIZE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING((pitch << 0) | (slice << 10));
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_CB_COLOR0_VIEW - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(0);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_CB_COLOR0_INFO - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(cb_color_info);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_CB_COLOR0_TILE - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(0);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_CB_COLOR0_FRAG - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(0);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_CB_COLOR0_MASK - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(0);
+
+       ADVANCE_RING();
+}
+
+static void
+cp_set_surface_sync(drm_radeon_private_t *dev_priv,
+                   u32 sync_type, u32 size, u64 mc_addr)
+{
+       u32 cp_coher_size;
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       if (size == 0xffffffff)
+               cp_coher_size = 0xffffffff;
+       else
+               cp_coher_size = ((size + 255) >> 8);
+
+       BEGIN_RING(5);
+       OUT_RING(CP_PACKET3(R600_IT_SURFACE_SYNC, 3));
+       OUT_RING(sync_type);
+       OUT_RING(cp_coher_size);
+       OUT_RING((mc_addr >> 8));
+       OUT_RING(10); /* poll interval */
+       ADVANCE_RING();
+}
+
+static void
+set_shaders(struct drm_device *dev)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       u64 gpu_addr;
+       int i;
+       u32 *vs, *ps;
+       uint32_t sq_pgm_resources;
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       /* load shaders */
+       vs = (u32 *) ((char *)dev->agp_buffer_map->handle + dev_priv->blit_vb->offset);
+       ps = (u32 *) ((char *)dev->agp_buffer_map->handle + dev_priv->blit_vb->offset + 256);
+
+       for (i = 0; i < r6xx_vs_size; i++)
+               vs[i] = cpu_to_le32(r6xx_vs[i]);
+       for (i = 0; i < r6xx_ps_size; i++)
+               ps[i] = cpu_to_le32(r6xx_ps[i]);
+
+       dev_priv->blit_vb->used = 512;
+
+       gpu_addr = dev_priv->gart_buffers_offset + dev_priv->blit_vb->offset;
+
+       /* setup shader regs */
+       sq_pgm_resources = (1 << 0);
+
+       BEGIN_RING(9 + 12);
+       /* VS */
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_START_VS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(gpu_addr >> 8);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_RESOURCES_VS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(sq_pgm_resources);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_CF_OFFSET_VS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(0);
+
+       /* PS */
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_START_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING((gpu_addr + 256) >> 8);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_RESOURCES_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(sq_pgm_resources | (1 << 28));
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_EXPORTS_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(2);
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 1));
+       OUT_RING((R600_SQ_PGM_CF_OFFSET_PS - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING(0);
+       ADVANCE_RING();
+
+       cp_set_surface_sync(dev_priv,
+                           R600_SH_ACTION_ENA, 512, gpu_addr);
+}
+
+static void
+set_vtx_resource(drm_radeon_private_t *dev_priv, u64 gpu_addr)
+{
+       uint32_t sq_vtx_constant_word2;
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       sq_vtx_constant_word2 = (((gpu_addr >> 32) & 0xff) | (16 << 8));
+#ifdef __BIG_ENDIAN
+       sq_vtx_constant_word2 |= (2 << 30);
+#endif
+
+       BEGIN_RING(9);
+       OUT_RING(CP_PACKET3(R600_IT_SET_RESOURCE, 7));
+       OUT_RING(0x460);
+       OUT_RING(gpu_addr & 0xffffffff);
+       OUT_RING(48 - 1);
+       OUT_RING(sq_vtx_constant_word2);
+       OUT_RING(1 << 0);
+       OUT_RING(0);
+       OUT_RING(0);
+       OUT_RING(R600_SQ_TEX_VTX_VALID_BUFFER << 30);
+       ADVANCE_RING();
+
+       if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710))
+               cp_set_surface_sync(dev_priv,
+                                   R600_TC_ACTION_ENA, 48, gpu_addr);
+       else
+               cp_set_surface_sync(dev_priv,
+                                   R600_VC_ACTION_ENA, 48, gpu_addr);
+}
+
+static void
+set_tex_resource(drm_radeon_private_t *dev_priv,
+                int format, int w, int h, int pitch, u64 gpu_addr)
+{
+       uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4;
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       if (h < 1)
+               h = 1;
+
+       sq_tex_resource_word0 = (1 << 0);
+       sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) |
+                                 ((w - 1) << 19));
+
+       sq_tex_resource_word1 = (format << 26);
+       sq_tex_resource_word1 |= ((h - 1) << 0);
+
+       sq_tex_resource_word4 = ((1 << 14) |
+                                (0 << 16) |
+                                (1 << 19) |
+                                (2 << 22) |
+                                (3 << 25));
+
+       BEGIN_RING(9);
+       OUT_RING(CP_PACKET3(R600_IT_SET_RESOURCE, 7));
+       OUT_RING(0);
+       OUT_RING(sq_tex_resource_word0);
+       OUT_RING(sq_tex_resource_word1);
+       OUT_RING(gpu_addr >> 8);
+       OUT_RING(gpu_addr >> 8);
+       OUT_RING(sq_tex_resource_word4);
+       OUT_RING(0);
+       OUT_RING(R600_SQ_TEX_VTX_VALID_TEXTURE << 30);
+       ADVANCE_RING();
+
+}
+
+static void
+set_scissors(drm_radeon_private_t *dev_priv, int x1, int y1, int x2, int y2)
+{
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       BEGIN_RING(12);
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 2));
+       OUT_RING((R600_PA_SC_SCREEN_SCISSOR_TL - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING((x1 << 0) | (y1 << 16));
+       OUT_RING((x2 << 0) | (y2 << 16));
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 2));
+       OUT_RING((R600_PA_SC_GENERIC_SCISSOR_TL - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING((x1 << 0) | (y1 << 16) | (1 << 31));
+       OUT_RING((x2 << 0) | (y2 << 16));
+
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONTEXT_REG, 2));
+       OUT_RING((R600_PA_SC_WINDOW_SCISSOR_TL - R600_SET_CONTEXT_REG_OFFSET) >> 2);
+       OUT_RING((x1 << 0) | (y1 << 16) | (1 << 31));
+       OUT_RING((x2 << 0) | (y2 << 16));
+       ADVANCE_RING();
+}
+
+static void
+draw_auto(drm_radeon_private_t *dev_priv)
+{
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       BEGIN_RING(10);
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
+       OUT_RING((R600_VGT_PRIMITIVE_TYPE - R600_SET_CONFIG_REG_OFFSET) >> 2);
+       OUT_RING(DI_PT_RECTLIST);
+
+       OUT_RING(CP_PACKET3(R600_IT_INDEX_TYPE, 0));
+#ifdef __BIG_ENDIAN
+       OUT_RING((2 << 2) | DI_INDEX_SIZE_16_BIT);
+#else
+       OUT_RING(DI_INDEX_SIZE_16_BIT);
+#endif
+
+       OUT_RING(CP_PACKET3(R600_IT_NUM_INSTANCES, 0));
+       OUT_RING(1);
+
+       OUT_RING(CP_PACKET3(R600_IT_DRAW_INDEX_AUTO, 1));
+       OUT_RING(3);
+       OUT_RING(DI_SRC_SEL_AUTO_INDEX);
+
+       ADVANCE_RING();
+       COMMIT_RING();
+}
+
+static void
+set_default_state(drm_radeon_private_t *dev_priv)
+{
+       int i;
+       u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2;
+       u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2;
+       int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs;
+       int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
+       int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
+       RING_LOCALS;
+
+       switch ((dev_priv->flags & RADEON_FAMILY_MASK)) {
+       case CHIP_R600:
+               num_ps_gprs = 192;
+               num_vs_gprs = 56;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 136;
+               num_vs_threads = 48;
+               num_gs_threads = 4;
+               num_es_threads = 4;
+               num_ps_stack_entries = 128;
+               num_vs_stack_entries = 128;
+               num_gs_stack_entries = 0;
+               num_es_stack_entries = 0;
+               break;
+       case CHIP_RV630:
+       case CHIP_RV635:
+               num_ps_gprs = 84;
+               num_vs_gprs = 36;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 144;
+               num_vs_threads = 40;
+               num_gs_threads = 4;
+               num_es_threads = 4;
+               num_ps_stack_entries = 40;
+               num_vs_stack_entries = 40;
+               num_gs_stack_entries = 32;
+               num_es_stack_entries = 16;
+               break;
+       case CHIP_RV610:
+       case CHIP_RV620:
+       case CHIP_RS780:
+       case CHIP_RS880:
+       default:
+               num_ps_gprs = 84;
+               num_vs_gprs = 36;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 136;
+               num_vs_threads = 48;
+               num_gs_threads = 4;
+               num_es_threads = 4;
+               num_ps_stack_entries = 40;
+               num_vs_stack_entries = 40;
+               num_gs_stack_entries = 32;
+               num_es_stack_entries = 16;
+               break;
+       case CHIP_RV670:
+               num_ps_gprs = 144;
+               num_vs_gprs = 40;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 136;
+               num_vs_threads = 48;
+               num_gs_threads = 4;
+               num_es_threads = 4;
+               num_ps_stack_entries = 40;
+               num_vs_stack_entries = 40;
+               num_gs_stack_entries = 32;
+               num_es_stack_entries = 16;
+               break;
+       case CHIP_RV770:
+               num_ps_gprs = 192;
+               num_vs_gprs = 56;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 188;
+               num_vs_threads = 60;
+               num_gs_threads = 0;
+               num_es_threads = 0;
+               num_ps_stack_entries = 256;
+               num_vs_stack_entries = 256;
+               num_gs_stack_entries = 0;
+               num_es_stack_entries = 0;
+               break;
+       case CHIP_RV730:
+       case CHIP_RV740:
+               num_ps_gprs = 84;
+               num_vs_gprs = 36;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 188;
+               num_vs_threads = 60;
+               num_gs_threads = 0;
+               num_es_threads = 0;
+               num_ps_stack_entries = 128;
+               num_vs_stack_entries = 128;
+               num_gs_stack_entries = 0;
+               num_es_stack_entries = 0;
+               break;
+       case CHIP_RV710:
+               num_ps_gprs = 192;
+               num_vs_gprs = 56;
+               num_temp_gprs = 4;
+               num_gs_gprs = 0;
+               num_es_gprs = 0;
+               num_ps_threads = 144;
+               num_vs_threads = 48;
+               num_gs_threads = 0;
+               num_es_threads = 0;
+               num_ps_stack_entries = 128;
+               num_vs_stack_entries = 128;
+               num_gs_stack_entries = 0;
+               num_es_stack_entries = 0;
+               break;
+       }
+
+       if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710))
+               sq_config = 0;
+       else
+               sq_config = R600_VC_ENABLE;
+
+       sq_config |= (R600_DX9_CONSTS |
+                     R600_ALU_INST_PREFER_VECTOR |
+                     R600_PS_PRIO(0) |
+                     R600_VS_PRIO(1) |
+                     R600_GS_PRIO(2) |
+                     R600_ES_PRIO(3));
+
+       sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(num_ps_gprs) |
+                                 R600_NUM_VS_GPRS(num_vs_gprs) |
+                                 R600_NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
+       sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(num_gs_gprs) |
+                                 R600_NUM_ES_GPRS(num_es_gprs));
+       sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(num_ps_threads) |
+                                  R600_NUM_VS_THREADS(num_vs_threads) |
+                                  R600_NUM_GS_THREADS(num_gs_threads) |
+                                  R600_NUM_ES_THREADS(num_es_threads));
+       sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
+                                   R600_NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
+       sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
+                                   R600_NUM_ES_STACK_ENTRIES(num_es_stack_entries));
+
+       if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
+               BEGIN_RING(r7xx_default_size + 10);
+               for (i = 0; i < r7xx_default_size; i++)
+                       OUT_RING(r7xx_default_state[i]);
+       } else {
+               BEGIN_RING(r6xx_default_size + 10);
+               for (i = 0; i < r6xx_default_size; i++)
+                       OUT_RING(r6xx_default_state[i]);
+       }
+       OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
+       OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
+       /* SQ config */
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 6));
+       OUT_RING((R600_SQ_CONFIG - R600_SET_CONFIG_REG_OFFSET) >> 2);
+       OUT_RING(sq_config);
+       OUT_RING(sq_gpr_resource_mgmt_1);
+       OUT_RING(sq_gpr_resource_mgmt_2);
+       OUT_RING(sq_thread_resource_mgmt);
+       OUT_RING(sq_stack_resource_mgmt_1);
+       OUT_RING(sq_stack_resource_mgmt_2);
+       ADVANCE_RING();
+}
+
+static int r600_nomm_get_vb(struct drm_device *dev)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       dev_priv->blit_vb = radeon_freelist_get(dev);
+       if (!dev_priv->blit_vb) {
+               DRM_ERROR("Unable to allocate vertex buffer for blit\n");
+               return -EAGAIN;
+       }
+       return 0;
+}
+
+static void r600_nomm_put_vb(struct drm_device *dev)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+
+       dev_priv->blit_vb->used = 0;
+       radeon_cp_discard_buffer(dev, dev_priv->blit_vb->file_priv->master, dev_priv->blit_vb);
+}
+
+static void *r600_nomm_get_vb_ptr(struct drm_device *dev)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       return (((char *)dev->agp_buffer_map->handle +
+                dev_priv->blit_vb->offset + dev_priv->blit_vb->used));
+}
+
+int
+r600_prepare_blit_copy(struct drm_device *dev, struct drm_file *file_priv)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       int ret;
+       DRM_DEBUG("\n");
+
+       ret = r600_nomm_get_vb(dev);
+       if (ret)
+               return ret;
+
+       dev_priv->blit_vb->file_priv = file_priv;
+
+       set_default_state(dev_priv);
+       set_shaders(dev);
+
+       return 0;
+}
+
+
+void
+r600_done_blit_copy(struct drm_device *dev)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       RING_LOCALS;
+       DRM_DEBUG("\n");
+
+       BEGIN_RING(5);
+       OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
+       OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
+       /* wait for 3D idle clean */
+       OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
+       OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
+       OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
+
+       ADVANCE_RING();
+       COMMIT_RING();
+
+       r600_nomm_put_vb(dev);
+}
+
+void
+r600_blit_copy(struct drm_device *dev,
+              uint64_t src_gpu_addr, uint64_t dst_gpu_addr,
+              int size_bytes)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       int max_bytes;
+       u64 vb_addr;
+       u32 *vb;
+
+       vb = r600_nomm_get_vb_ptr(dev);
+
+       if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) {
+               max_bytes = 8192;
+
+               while (size_bytes) {
+                       int cur_size = size_bytes;
+                       int src_x = src_gpu_addr & 255;
+                       int dst_x = dst_gpu_addr & 255;
+                       int h = 1;
+                       src_gpu_addr = src_gpu_addr & ~255;
+                       dst_gpu_addr = dst_gpu_addr & ~255;
+
+                       if (!src_x && !dst_x) {
+                               h = (cur_size / max_bytes);
+                               if (h > 8192)
+                                       h = 8192;
+                               if (h == 0)
+                                       h = 1;
+                               else
+                                       cur_size = max_bytes;
+                       } else {
+                               if (cur_size > max_bytes)
+                                       cur_size = max_bytes;
+                               if (cur_size > (max_bytes - dst_x))
+                                       cur_size = (max_bytes - dst_x);
+                               if (cur_size > (max_bytes - src_x))
+                                       cur_size = (max_bytes - src_x);
+                       }
+
+                       if ((dev_priv->blit_vb->used + 48) > dev_priv->blit_vb->total) {
+
+                               r600_nomm_put_vb(dev);
+                               r600_nomm_get_vb(dev);
+                               if (!dev_priv->blit_vb)
+                                       return;
+                               set_shaders(dev);
+                               vb = r600_nomm_get_vb_ptr(dev);
+                       }
+
+                       vb[0] = int2float(dst_x);
+                       vb[1] = 0;
+                       vb[2] = int2float(src_x);
+                       vb[3] = 0;
+
+                       vb[4] = int2float(dst_x);
+                       vb[5] = int2float(h);
+                       vb[6] = int2float(src_x);
+                       vb[7] = int2float(h);
+
+                       vb[8] = int2float(dst_x + cur_size);
+                       vb[9] = int2float(h);
+                       vb[10] = int2float(src_x + cur_size);
+                       vb[11] = int2float(h);
+
+                       /* src */
+                       set_tex_resource(dev_priv, FMT_8,
+                                        src_x + cur_size, h, src_x + cur_size,
+                                        src_gpu_addr);
+
+                       cp_set_surface_sync(dev_priv,
+                                           R600_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
+
+                       /* dst */
+                       set_render_target(dev_priv, COLOR_8,
+                                         dst_x + cur_size, h,
+                                         dst_gpu_addr);
+
+                       /* scissors */
+                       set_scissors(dev_priv, dst_x, 0, dst_x + cur_size, h);
+
+                       /* Vertex buffer setup */
+                       vb_addr = dev_priv->gart_buffers_offset +
+                               dev_priv->blit_vb->offset +
+                               dev_priv->blit_vb->used;
+                       set_vtx_resource(dev_priv, vb_addr);
+
+                       /* draw */
+                       draw_auto(dev_priv);
+
+                       cp_set_surface_sync(dev_priv,
+                                           R600_CB_ACTION_ENA | R600_CB0_DEST_BASE_ENA,
+                                           cur_size * h, dst_gpu_addr);
+
+                       vb += 12;
+                       dev_priv->blit_vb->used += 12 * 4;
+
+                       src_gpu_addr += cur_size * h;
+                       dst_gpu_addr += cur_size * h;
+                       size_bytes -= cur_size * h;
+               }
+       } else {
+               max_bytes = 8192 * 4;
+
+               while (size_bytes) {
+                       int cur_size = size_bytes;
+                       int src_x = (src_gpu_addr & 255);
+                       int dst_x = (dst_gpu_addr & 255);
+                       int h = 1;
+                       src_gpu_addr = src_gpu_addr & ~255;
+                       dst_gpu_addr = dst_gpu_addr & ~255;
+
+                       if (!src_x && !dst_x) {
+                               h = (cur_size / max_bytes);
+                               if (h > 8192)
+                                       h = 8192;
+                               if (h == 0)
+                                       h = 1;
+                               else
+                                       cur_size = max_bytes;
+                       } else {
+                               if (cur_size > max_bytes)
+                                       cur_size = max_bytes;
+                               if (cur_size > (max_bytes - dst_x))
+                                       cur_size = (max_bytes - dst_x);
+                               if (cur_size > (max_bytes - src_x))
+                                       cur_size = (max_bytes - src_x);
+                       }
+
+                       if ((dev_priv->blit_vb->used + 48) > dev_priv->blit_vb->total) {
+                               r600_nomm_put_vb(dev);
+                               r600_nomm_get_vb(dev);
+                               if (!dev_priv->blit_vb)
+                                       return;
+
+                               set_shaders(dev);
+                               vb = r600_nomm_get_vb_ptr(dev);
+                       }
+
+                       vb[0] = int2float(dst_x / 4);
+                       vb[1] = 0;
+                       vb[2] = int2float(src_x / 4);
+                       vb[3] = 0;
+
+                       vb[4] = int2float(dst_x / 4);
+                       vb[5] = int2float(h);
+                       vb[6] = int2float(src_x / 4);
+                       vb[7] = int2float(h);
+
+                       vb[8] = int2float((dst_x + cur_size) / 4);
+                       vb[9] = int2float(h);
+                       vb[10] = int2float((src_x + cur_size) / 4);
+                       vb[11] = int2float(h);
+
+                       /* src */
+                       set_tex_resource(dev_priv, FMT_8_8_8_8,
+                                        (src_x + cur_size) / 4,
+                                        h, (src_x + cur_size) / 4,
+                                        src_gpu_addr);
+
+                       cp_set_surface_sync(dev_priv,
+                                           R600_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
+
+                       /* dst */
+                       set_render_target(dev_priv, COLOR_8_8_8_8,
+                                         (dst_x + cur_size) / 4, h,
+                                         dst_gpu_addr);
+
+                       /* scissors */
+                       set_scissors(dev_priv, (dst_x / 4), 0, (dst_x + cur_size / 4), h);
+
+                       /* Vertex buffer setup */
+                       vb_addr = dev_priv->gart_buffers_offset +
+                               dev_priv->blit_vb->offset +
+                               dev_priv->blit_vb->used;
+                       set_vtx_resource(dev_priv, vb_addr);
+
+                       /* draw */
+                       draw_auto(dev_priv);
+
+                       cp_set_surface_sync(dev_priv,
+                                           R600_CB_ACTION_ENA | R600_CB0_DEST_BASE_ENA,
+                                           cur_size * h, dst_gpu_addr);
+
+                       vb += 12;
+                       dev_priv->blit_vb->used += 12 * 4;
+
+                       src_gpu_addr += cur_size * h;
+                       dst_gpu_addr += cur_size * h;
+                       size_bytes -= cur_size * h;
+               }
+       }
+}
+
+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)
+{
+       drm_radeon_private_t *dev_priv = dev->dev_private;
+       int cb_format, tex_format;
+       int sx2, sy2, dx2, dy2;
+       u64 vb_addr;
+       u32 *vb;
+
+       if ((dev_priv->blit_vb->used + 48) > dev_priv->blit_vb->total) {
+
+               r600_nomm_put_vb(dev);
+               r600_nomm_get_vb(dev);
+               if (!dev_priv->blit_vb)
+                       return;
+
+               set_shaders(dev);
+       }
+       vb = r600_nomm_get_vb_ptr(dev);
+
+       sx2 = sx + w;
+       sy2 = sy + h;
+       dx2 = dx + w;
+       dy2 = dy + h;
+
+       vb[0] = int2float(dx);
+       vb[1] = int2float(dy);
+       vb[2] = int2float(sx);
+       vb[3] = int2float(sy);
+
+       vb[4] = int2float(dx);
+       vb[5] = int2float(dy2);
+       vb[6] = int2float(sx);
+       vb[7] = int2float(sy2);
+
+       vb[8] = int2float(dx2);
+       vb[9] = int2float(dy2);
+       vb[10] = int2float(sx2);
+       vb[11] = int2float(sy2);
+
+       switch(cpp) {
+       case 4:
+               cb_format = COLOR_8_8_8_8;
+               tex_format = FMT_8_8_8_8;
+               break;
+       case 2:
+               cb_format = COLOR_5_6_5;
+               tex_format = FMT_5_6_5;
+               break;
+       default:
+               cb_format = COLOR_8;
+               tex_format = FMT_8;
+               break;
+       }
+
+       /* src */
+       set_tex_resource(dev_priv, tex_format,
+                        src_pitch / cpp,
+                        sy2, src_pitch / cpp,
+                        src_gpu_addr);
+
+       cp_set_surface_sync(dev_priv,
+                           R600_TC_ACTION_ENA, src_pitch * sy2, src_gpu_addr);
+
+       /* dst */
+       set_render_target(dev_priv, cb_format,
+                         dst_pitch / cpp, dy2,
+                         dst_gpu_addr);
+
+       /* scissors */
+       set_scissors(dev_priv, dx, dy, dx2, dy2);
+
+       /* Vertex buffer setup */
+       vb_addr = dev_priv->gart_buffers_offset +
+               dev_priv->blit_vb->offset +
+               dev_priv->blit_vb->used;
+       set_vtx_resource(dev_priv, vb_addr);
+
+       /* draw */
+       draw_auto(dev_priv);
+
+       cp_set_surface_sync(dev_priv,
+                           R600_CB_ACTION_ENA | R600_CB0_DEST_BASE_ENA,
+                           dst_pitch * dy2, dst_gpu_addr);
+
+       dev_priv->blit_vb->used += 12 * 4;
+}