/* * Copyright 2010 Jerome Glisse * * 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 * on the rights to use, copy, modify, merge, publish, distribute, sub * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR 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: * Jerome Glisse */ #include "r600_pipe.h" #include "evergreend.h" #include "util/u_memory.h" #include "util/u_math.h" void evergreen_flush_vgt_streamout(struct r600_context *ctx) { struct radeon_winsys_cs *cs = ctx->rings.gfx.cs; r600_write_config_reg(cs, R_0084FC_CP_STRMOUT_CNTL, 0); cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_SO_VGTSTREAMOUT_FLUSH) | EVENT_INDEX(0); cs->buf[cs->cdw++] = PKT3(PKT3_WAIT_REG_MEM, 5, 0); cs->buf[cs->cdw++] = WAIT_REG_MEM_EQUAL; /* wait until the register is equal to the reference value */ cs->buf[cs->cdw++] = R_0084FC_CP_STRMOUT_CNTL >> 2; /* register */ cs->buf[cs->cdw++] = 0; cs->buf[cs->cdw++] = S_0084FC_OFFSET_UPDATE_DONE(1); /* reference value */ cs->buf[cs->cdw++] = S_0084FC_OFFSET_UPDATE_DONE(1); /* mask */ cs->buf[cs->cdw++] = 4; /* poll interval */ } void evergreen_set_streamout_enable(struct r600_context *ctx, unsigned buffer_enable_bit) { struct radeon_winsys_cs *cs = ctx->rings.gfx.cs; if (buffer_enable_bit) { r600_write_context_reg_seq(cs, R_028B94_VGT_STRMOUT_CONFIG, 2); r600_write_value(cs, S_028B94_STREAMOUT_0_EN(1)); /* R_028B94_VGT_STRMOUT_CONFIG */ r600_write_value(cs, S_028B98_STREAM_0_BUFFER_EN(buffer_enable_bit)); /* R_028B98_VGT_STRMOUT_BUFFER_CONFIG */ } else { r600_write_context_reg(cs, R_028B94_VGT_STRMOUT_CONFIG, S_028B94_STREAMOUT_0_EN(0)); } } void evergreen_dma_copy(struct r600_context *rctx, struct pipe_resource *dst, struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset, uint64_t size) { struct radeon_winsys_cs *cs = rctx->rings.dma.cs; unsigned i, ncopy, csize, sub_cmd, shift; struct r600_resource *rdst = (struct r600_resource*)dst; struct r600_resource *rsrc = (struct r600_resource*)src; /* make sure that the dma ring is only one active */ rctx->rings.gfx.flush(rctx, RADEON_FLUSH_ASYNC); dst_offset += r600_resource_va(&rctx->screen->screen, dst); src_offset += r600_resource_va(&rctx->screen->screen, src); /* see if we use dword or byte copy */ if (!(dst_offset & 0x3) && !(src_offset & 0x3) && !(size & 0x3)) { size >>= 2; sub_cmd = 0x00; shift = 2; } else { sub_cmd = 0x40; shift = 0; } ncopy = (size / 0x000fffff) + !!(size % 0x000fffff); r600_need_dma_space(rctx, ncopy * 5); for (i = 0; i < ncopy; i++) { csize = size < 0x000fffff ? size : 0x000fffff; /* emit reloc before writting cs so that cs is always in consistent state */ r600_context_bo_reloc(rctx, &rctx->rings.dma, rsrc, RADEON_USAGE_READ); r600_context_bo_reloc(rctx, &rctx->rings.dma, rdst, RADEON_USAGE_WRITE); cs->buf[cs->cdw++] = DMA_PACKET(DMA_PACKET_COPY, sub_cmd, csize); cs->buf[cs->cdw++] = dst_offset & 0xffffffff; cs->buf[cs->cdw++] = src_offset & 0xffffffff; cs->buf[cs->cdw++] = (dst_offset >> 32UL) & 0xff; cs->buf[cs->cdw++] = (src_offset >> 32UL) & 0xff; dst_offset += csize << shift; src_offset += csize << shift; size -= csize; } util_range_add(&rdst->valid_buffer_range, dst_offset, dst_offset + size); } /* The max number of bytes to copy per packet. */ #define CP_DMA_MAX_BYTE_COUNT ((1 << 21) - 8) void evergreen_cp_dma_clear_buffer(struct r600_context *rctx, struct pipe_resource *dst, uint64_t offset, unsigned size, uint32_t clear_value) { struct radeon_winsys_cs *cs = rctx->rings.gfx.cs; assert(size); assert(rctx->screen->has_cp_dma); offset += r600_resource_va(&rctx->screen->screen, dst); /* We flush the caches, because we might read from or write * to resources which are bound right now. */ rctx->flags |= R600_CONTEXT_INVAL_READ_CACHES | R600_CONTEXT_FLUSH_AND_INV | R600_CONTEXT_FLUSH_AND_INV_CB_META | R600_CONTEXT_FLUSH_AND_INV_DB_META | R600_CONTEXT_STREAMOUT_FLUSH | R600_CONTEXT_WAIT_3D_IDLE; while (size) { unsigned sync = 0; unsigned byte_count = MIN2(size, CP_DMA_MAX_BYTE_COUNT); unsigned reloc; r600_need_cs_space(rctx, 10 + (rctx->flags ? R600_MAX_FLUSH_CS_DWORDS : 0), FALSE); /* Flush the caches for the first copy only. */ if (rctx->flags) { r600_flush_emit(rctx); } /* Do the synchronization after the last copy, so that all data is written to memory. */ if (size == byte_count) { sync = PKT3_CP_DMA_CP_SYNC; } /* This must be done after r600_need_cs_space. */ reloc = r600_context_bo_reloc(rctx, &rctx->rings.gfx, (struct r600_resource*)dst, RADEON_USAGE_WRITE); r600_write_value(cs, PKT3(PKT3_CP_DMA, 4, 0)); r600_write_value(cs, clear_value); /* DATA [31:0] */ r600_write_value(cs, sync | PKT3_CP_DMA_SRC_SEL(2)); /* CP_SYNC [31] | SRC_SEL[30:29] */ r600_write_value(cs, offset); /* DST_ADDR_LO [31:0] */ r600_write_value(cs, (offset >> 32) & 0xff); /* DST_ADDR_HI [7:0] */ r600_write_value(cs, byte_count); /* COMMAND [29:22] | BYTE_COUNT [20:0] */ r600_write_value(cs, PKT3(PKT3_NOP, 0, 0)); r600_write_value(cs, reloc); size -= byte_count; offset += byte_count; } /* Invalidate the read caches. */ rctx->flags |= R600_CONTEXT_INVAL_READ_CACHES; util_range_add(&r600_resource(dst)->valid_buffer_range, offset, offset + size); }