drivers/gpu/drm/radeon/r600_blit.c - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  * 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>
  */
 #include "drmP.h"
 #include "drm.h"
 #include "radeon_drm.h"
 #include "radeon_drv.h"

 #include "r600_blit_shaders.h"

 #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 inline 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 = (h + 7) & ~7;
 	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 inline 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 inline 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] = r6xx_vs[i];
 	for (i = 0; i < r6xx_ps_size; i++)
 		ps[i] = 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 inline 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));

 	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 inline 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 inline 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 inline 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));
 	OUT_RING(DI_INDEX_SIZE_16_BIT);

 	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 inline 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 inline uint32_t i2f(uint32_t input)
 {
 	u32 result, i, exponent, fraction;

 	if ((input & 0x3fff) == 0)
 		result = 0; /* 0 is a special case */
 	else {
 		exponent = 140; /* exponent biased by 127; */
 		fraction = (input & 0x3fff) << 10; /* cheat and only
 						      handle numbers below 2^^15 */
 		for (i = 0; i < 14; i++) {
 			if (fraction & 0x800000)
 				break;
 			else {
 				fraction = fraction << 1; /* keep
 							     shifting left until top bit = 1 */
 				exponent = exponent - 1;
 			}
 		}
 		result = exponent << 23 | (fraction & 0x7fffff); /* mask
 								    off top bit; assumed 1 */
 	}
 	return result;
 }


 static inline 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 inline 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 inline 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;
 	DRM_DEBUG("\n");

 	r600_nomm_get_vb(dev);

 	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] = i2f(dst_x);
 			vb[1] = 0;
 			vb[2] = i2f(src_x);
 			vb[3] = 0;

 			vb[4] = i2f(dst_x);
 			vb[5] = i2f(h);
 			vb[6] = i2f(src_x);
 			vb[7] = i2f(h);

 			vb[8] = i2f(dst_x + cur_size);
 			vb[9] = i2f(h);
 			vb[10] = i2f(src_x + cur_size);
 			vb[11] = i2f(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] = i2f(dst_x / 4);
 			vb[1] = 0;
 			vb[2] = i2f(src_x / 4);
 			vb[3] = 0;

 			vb[4] = i2f(dst_x / 4);
 			vb[5] = i2f(h);
 			vb[6] = i2f(src_x / 4);
 			vb[7] = i2f(h);

 			vb[8] = i2f((dst_x + cur_size) / 4);
 			vb[9] = i2f(h);
 			vb[10] = i2f((src_x + cur_size) / 4);
 			vb[11] = i2f(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] = i2f(dx);
 	vb[1] = i2f(dy);
 	vb[2] = i2f(sx);
 	vb[3] = i2f(sy);

 	vb[4] = i2f(dx);
 	vb[5] = i2f(dy2);
 	vb[6] = i2f(sx);
 	vb[7] = i2f(sy2);

 	vb[8] = i2f(dx2);
 	vb[9] = i2f(dy2);
 	vb[10] = i2f(sx2);
 	vb[11] = i2f(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;
 }
	/*
	* 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>
	*/
	#include "drmP.h"
	#include "drm.h"
	#include "radeon_drm.h"
	#include "radeon_drv.h"

	#include "r600_blit_shaders.h"

	#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 inline 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 = (h + 7) & ~7;
	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 inline 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 inline 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] = r6xx_vs[i];
	for (i = 0; i < r6xx_ps_size; i++)
	ps[i] = 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 inline 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));

	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 inline 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 inline 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 inline 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));
	OUT_RING(DI_INDEX_SIZE_16_BIT);

	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 inline 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 inline uint32_t i2f(uint32_t input)
	{
	u32 result, i, exponent, fraction;

	if ((input & 0x3fff) == 0)
	result = 0; /* 0 is a special case */
	else {
	exponent = 140; /* exponent biased by 127; */
	fraction = (input & 0x3fff) << 10; /* cheat and only
	handle numbers below 2^^15 */
	for (i = 0; i < 14; i++) {
	if (fraction & 0x800000)
	break;
	else {
	fraction = fraction << 1; /* keep
	shifting left until top bit = 1 */
	exponent = exponent - 1;
	}
	}
	result = exponent << 23 \| (fraction & 0x7fffff); /* mask
	off top bit; assumed 1 */
	}
	return result;
	}


	static inline 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 inline 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 inline 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;
	DRM_DEBUG("\n");

	r600_nomm_get_vb(dev);

	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] = i2f(dst_x);
	vb[1] = 0;
	vb[2] = i2f(src_x);
	vb[3] = 0;

	vb[4] = i2f(dst_x);
	vb[5] = i2f(h);
	vb[6] = i2f(src_x);
	vb[7] = i2f(h);

	vb[8] = i2f(dst_x + cur_size);
	vb[9] = i2f(h);
	vb[10] = i2f(src_x + cur_size);
	vb[11] = i2f(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] = i2f(dst_x / 4);
	vb[1] = 0;
	vb[2] = i2f(src_x / 4);
	vb[3] = 0;

	vb[4] = i2f(dst_x / 4);
	vb[5] = i2f(h);
	vb[6] = i2f(src_x / 4);
	vb[7] = i2f(h);

	vb[8] = i2f((dst_x + cur_size) / 4);
	vb[9] = i2f(h);
	vb[10] = i2f((src_x + cur_size) / 4);
	vb[11] = i2f(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] = i2f(dx);
	vb[1] = i2f(dy);
	vb[2] = i2f(sx);
	vb[3] = i2f(sy);

	vb[4] = i2f(dx);
	vb[5] = i2f(dy2);
	vb[6] = i2f(sx);
	vb[7] = i2f(sy2);

	vb[8] = i2f(dx2);
	vb[9] = i2f(dy2);
	vb[10] = i2f(sx2);
	vb[11] = i2f(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;
	}