From 2130f89ced2cc0f5113bb427c1cbc7a4ca7729c7 Mon Sep 17 00:00:00 2001 From: Ken Wang Date: Fri, 3 Mar 2017 17:31:51 -0500 Subject: [PATCH] drm/amdgpu: add SDMA v4.0 implementation (v2) v2: fix Makefile Signed-off-by: Ken Wang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/Makefile | 3 +- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 1553 ++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/sdma_v4_0.h | 30 + 3 files changed, 1585 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c create mode 100644 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.h diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index ccbc4c0f5b42..9c117d03b0e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -69,7 +69,8 @@ amdgpu-y += \ # add async DMA block amdgpu-y += \ sdma_v2_4.o \ - sdma_v3_0.o + sdma_v3_0.o \ + sdma_v4_0.o # add UVD block amdgpu-y += \ diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c new file mode 100644 index 000000000000..5bb843882bef --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -0,0 +1,1553 @@ +/* + * Copyright 2016 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 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) OR AUTHOR(S) 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. + * + */ + +#include +#include +#include "amdgpu.h" +#include "amdgpu_ucode.h" +#include "amdgpu_trace.h" + +#include "vega10/soc15ip.h" +#include "vega10/SDMA0/sdma0_4_0_offset.h" +#include "vega10/SDMA0/sdma0_4_0_sh_mask.h" +#include "vega10/SDMA1/sdma1_4_0_offset.h" +#include "vega10/SDMA1/sdma1_4_0_sh_mask.h" +#include "vega10/MMHUB/mmhub_1_0_offset.h" +#include "vega10/MMHUB/mmhub_1_0_sh_mask.h" +#include "vega10/HDP/hdp_4_0_offset.h" + +#include "soc15_common.h" +#include "soc15.h" +#include "vega10_sdma_pkt_open.h" + +MODULE_FIRMWARE("amdgpu/vega10_sdma.bin"); +MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin"); + +static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev); +static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev); +static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev); +static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev); + +static const u32 golden_settings_sdma_4[] = +{ + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CHICKEN_BITS), 0xfe931f07, 0x02831f07, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), 0xff000ff0, 0x3f000100, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_GFX_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), 0xfffffff7, 0x00403000, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), 0x003ff006, 0x0003c000, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UTCL1_PAGE), 0x000003ff, 0x000003c0, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CHICKEN_BITS), 0xfe931f07, 0x02831f07, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), 0xffffffff, 0x3f000100, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_GFX_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), 0x003ff000, 0x0003c000, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL), 0x800f0100, 0x00000100, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL), 0x0000fff0, 0x00403000, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_UTCL1_PAGE), 0x000003ff, 0x000003c0 +}; + +static const u32 golden_settings_sdma_vg10[] = +{ + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG), 0x0018773f, 0x00104002, + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ), 0x0018773f, 0x00104002, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG), 0x0018773f, 0x00104002, + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ), 0x0018773f, 0x00104002 +}; + +static u32 sdma_v4_0_get_reg_offset(u32 instance, u32 internal_offset) +{ + u32 base = 0; + switch (instance) { + case 0: + base = SDMA0_BASE.instance[0].segment[0]; + break; + case 1: + base = SDMA1_BASE.instance[0].segment[0]; + break; + default: + BUG(); + break; + } + + return base + internal_offset; +} + +static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev) +{ + switch (adev->asic_type) { + case CHIP_VEGA10: + amdgpu_program_register_sequence(adev, + golden_settings_sdma_4, + (const u32)ARRAY_SIZE(golden_settings_sdma_4)); + amdgpu_program_register_sequence(adev, + golden_settings_sdma_vg10, + (const u32)ARRAY_SIZE(golden_settings_sdma_vg10)); + break; + default: + break; + } +} + +static void sdma_v4_0_print_ucode_regs(void *handle) +{ + int i; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + dev_info(adev->dev, "VEGA10 SDMA ucode registers\n"); + for (i = 0; i < adev->sdma.num_instances; i++) { + dev_info(adev->dev, " SDMA%d_UCODE_ADDR=0x%08X\n", + i, RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_UCODE_ADDR))); + dev_info(adev->dev, " SDMA%d_UCODE_CHECKSUM=0x%08X\n", + i, RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_UCODE_CHECKSUM))); + } +} + +/** + * sdma_v4_0_init_microcode - load ucode images from disk + * + * @adev: amdgpu_device pointer + * + * Use the firmware interface to load the ucode images into + * the driver (not loaded into hw). + * Returns 0 on success, error on failure. + */ + +// emulation only, won't work on real chip +// vega10 real chip need to use PSP to load firmware +static int sdma_v4_0_init_microcode(struct amdgpu_device *adev) +{ + const char *chip_name; + char fw_name[30]; + int err = 0, i; + struct amdgpu_firmware_info *info = NULL; + const struct common_firmware_header *header = NULL; + const struct sdma_firmware_header_v1_0 *hdr; + + DRM_DEBUG("\n"); + + switch (adev->asic_type) { + case CHIP_VEGA10: + chip_name = "vega10"; + break; + default: BUG(); + } + + for (i = 0; i < adev->sdma.num_instances; i++) { + if (i == 0) + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name); + else + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name); + err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev); + if (err) + goto out; + err = amdgpu_ucode_validate(adev->sdma.instance[i].fw); + if (err) + goto out; + hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; + adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); + if (adev->sdma.instance[i].feature_version >= 20) + adev->sdma.instance[i].burst_nop = true; + DRM_DEBUG("psp_load == '%s'\n", + adev->firmware.load_type == AMDGPU_FW_LOAD_PSP? "true": "false"); + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; + info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; + info->fw = adev->sdma.instance[i].fw; + header = (const struct common_firmware_header *)info->fw->data; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); + } + } +out: + if (err) { + printk(KERN_ERR + "sdma_v4_0: Failed to load firmware \"%s\"\n", + fw_name); + for (i = 0; i < adev->sdma.num_instances; i++) { + release_firmware(adev->sdma.instance[i].fw); + adev->sdma.instance[i].fw = NULL; + } + } + return err; +} + +/** + * sdma_v4_0_ring_get_rptr - get the current read pointer + * + * @ring: amdgpu ring pointer + * + * Get the current rptr from the hardware (VEGA10+). + */ +static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring) +{ + u64* rptr; + + /* XXX check if swapping is necessary on BE */ + rptr =((u64*)&ring->adev->wb.wb[ring->rptr_offs]); + + DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); + return ((*rptr) >> 2); +} + +/** + * sdma_v4_0_ring_get_wptr - get the current write pointer + * + * @ring: amdgpu ring pointer + * + * Get the current wptr from the hardware (VEGA10+). + */ +static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + u64* wptr = NULL; + uint64_t local_wptr=0; + + if (ring->use_doorbell) { + /* XXX check if swapping is necessary on BE */ + wptr = ((u64*)&adev->wb.wb[ring->wptr_offs]); + DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", *wptr); + *wptr = (*wptr) >> 2; + DRM_DEBUG("wptr/doorbell after shift == 0x%016llx\n", *wptr); + } else { + u32 lowbit, highbit; + int me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1; + wptr=&local_wptr; + lowbit = RREG32(sdma_v4_0_get_reg_offset(me, mmSDMA0_GFX_RB_WPTR)) >> 2; + highbit = RREG32(sdma_v4_0_get_reg_offset(me, mmSDMA0_GFX_RB_WPTR_HI)) >> 2; + + DRM_DEBUG("wptr [%i]high== 0x%08x low==0x%08x\n", + me, highbit, lowbit); + *wptr = highbit; + *wptr = (*wptr) << 32; + *wptr |= lowbit; + } + + return *wptr; +} + +/** + * sdma_v4_0_ring_set_wptr - commit the write pointer + * + * @ring: amdgpu ring pointer + * + * Write the wptr back to the hardware (VEGA10+). + */ +static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + DRM_DEBUG("Setting write pointer\n"); + if (ring->use_doorbell) { + DRM_DEBUG("Using doorbell -- " + "wptr_offs == 0x%08x " + "lower_32_bits(ring->wptr) << 2 == 0x%08x " + "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", + ring->wptr_offs, + lower_32_bits(ring->wptr << 2), + upper_32_bits(ring->wptr << 2)); + /* XXX check if swapping is necessary on BE */ + adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr << 2); + adev->wb.wb[ring->wptr_offs + 1] = upper_32_bits(ring->wptr << 2); + DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", + ring->doorbell_index, ring->wptr << 2); + WDOORBELL64(ring->doorbell_index, ring->wptr << 2); + } else { + int me = (ring == &ring->adev->sdma.instance[0].ring) ? 0 : 1; + DRM_DEBUG("Not using doorbell -- " + "mmSDMA%i_GFX_RB_WPTR == 0x%08x " + "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x \n", + me, + me, + lower_32_bits(ring->wptr << 2), + upper_32_bits(ring->wptr << 2)); + WREG32(sdma_v4_0_get_reg_offset(me, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr << 2)); + WREG32(sdma_v4_0_get_reg_offset(me, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr << 2)); + } +} + +static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) +{ + struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); + int i; + + for (i = 0; i < count; i++) + if (sdma && sdma->burst_nop && (i == 0)) + amdgpu_ring_write(ring, ring->funcs->nop | + SDMA_PKT_NOP_HEADER_COUNT(count - 1)); + else + amdgpu_ring_write(ring, ring->funcs->nop); +} + +/** + * sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine + * + * @ring: amdgpu ring pointer + * @ib: IB object to schedule + * + * Schedule an IB in the DMA ring (VEGA10). + */ +static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring, + struct amdgpu_ib *ib, + unsigned vm_id, bool ctx_switch) +{ + u32 vmid = vm_id & 0xf; + + /* IB packet must end on a 8 DW boundary */ + sdma_v4_0_ring_insert_nop(ring, (10 - (lower_32_bits(ring->wptr) & 7)) % 8); + + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | + SDMA_PKT_INDIRECT_HEADER_VMID(vmid)); + /* base must be 32 byte aligned */ + amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); + amdgpu_ring_write(ring, ib->length_dw); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, 0); + +} + +/** + * sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring + * + * @ring: amdgpu ring pointer + * + * Emit an hdp flush packet on the requested DMA ring. + */ +static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) +{ + u32 ref_and_mask = 0; + struct nbio_hdp_flush_reg *nbio_hf_reg; + + if (ring->adev->asic_type == CHIP_VEGA10) + nbio_hf_reg = &nbio_v6_1_hdp_flush_reg; + + if (ring == &ring->adev->sdma.instance[0].ring) + ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0; + else + ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1; + + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | + SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | + SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ + amdgpu_ring_write(ring, nbio_hf_reg->hdp_flush_done_offset << 2); + amdgpu_ring_write(ring, nbio_hf_reg->hdp_flush_req_offset << 2); + amdgpu_ring_write(ring, ref_and_mask); /* reference */ + amdgpu_ring_write(ring, ref_and_mask); /* mask */ + amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ +} + +static void sdma_v4_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) +{ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, SOC15_REG_OFFSET(HDP, 0, mmHDP_DEBUG0)); + amdgpu_ring_write(ring, 1); +} + +/** + * sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring + * + * @ring: amdgpu ring pointer + * @fence: amdgpu fence object + * + * Add a DMA fence packet to the ring to write + * the fence seq number and DMA trap packet to generate + * an interrupt if needed (VEGA10). + */ +static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, + unsigned flags) +{ + bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; + /* write the fence */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); + /* zero in first two bits */ + BUG_ON(addr & 0x3); + amdgpu_ring_write(ring, lower_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(addr)); + amdgpu_ring_write(ring, lower_32_bits(seq)); + + /* optionally write high bits as well */ + if (write64bit) { + addr += 4; + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); + /* zero in first two bits */ + BUG_ON(addr & 0x3); + amdgpu_ring_write(ring, lower_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(seq)); + } + + /* generate an interrupt */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); + amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); +} + + +/** + * sdma_v4_0_gfx_stop - stop the gfx async dma engines + * + * @adev: amdgpu_device pointer + * + * Stop the gfx async dma ring buffers (VEGA10). + */ +static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev) +{ + struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring; + struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring; + u32 rb_cntl, ib_cntl; + int i; + + if ((adev->mman.buffer_funcs_ring == sdma0) || + (adev->mman.buffer_funcs_ring == sdma1)) + amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); + + for (i = 0; i < adev->sdma.num_instances; i++) { + rb_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_CNTL)); + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_CNTL), rb_cntl); + ib_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_IB_CNTL)); + ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_IB_CNTL), ib_cntl); + } + + sdma0->ready = false; + sdma1->ready = false; +} + +/** + * sdma_v4_0_rlc_stop - stop the compute async dma engines + * + * @adev: amdgpu_device pointer + * + * Stop the compute async dma queues (VEGA10). + */ +static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev) +{ + /* XXX todo */ +} + +/** + * sdma_v_0_ctx_switch_enable - stop the async dma engines context switch + * + * @adev: amdgpu_device pointer + * @enable: enable/disable the DMA MEs context switch. + * + * Halt or unhalt the async dma engines context switch (VEGA10). + */ +static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) +{ + u32 f32_cntl; + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) { + f32_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_CNTL)); + f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, + AUTO_CTXSW_ENABLE, enable ? 1 : 0); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_CNTL), f32_cntl); + } + +} + +/** + * sdma_v4_0_enable - stop the async dma engines + * + * @adev: amdgpu_device pointer + * @enable: enable/disable the DMA MEs. + * + * Halt or unhalt the async dma engines (VEGA10). + */ +static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable) +{ + u32 f32_cntl; + int i; + + if (enable == false) { + sdma_v4_0_gfx_stop(adev); + sdma_v4_0_rlc_stop(adev); + } + + for (i = 0; i < adev->sdma.num_instances; i++) { + f32_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_F32_CNTL)); + f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_F32_CNTL), f32_cntl); + } +} + +/** + * sdma_v4_0_gfx_resume - setup and start the async dma engines + * + * @adev: amdgpu_device pointer + * + * Set up the gfx DMA ring buffers and enable them (VEGA10). + * Returns 0 for success, error for failure. + */ +static int sdma_v4_0_gfx_resume(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring; + u32 rb_cntl, ib_cntl; + u32 rb_bufsz; + u32 wb_offset; + u32 doorbell; + u32 doorbell_offset; + int i,r; + + for (i = 0; i < adev->sdma.num_instances; i++) { + ring = &adev->sdma.instance[i].ring; + wb_offset = (ring->rptr_offs * 4); + + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); + + /* Set ring buffer size in dwords */ + rb_bufsz = order_base_2(ring->ring_size / 4); + rb_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_CNTL)); + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); +#ifdef __BIG_ENDIAN + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, + RPTR_WRITEBACK_SWAP_ENABLE, 1); +#endif + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_CNTL), rb_cntl); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_RPTR), 0); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_RPTR_HI), 0); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR), 0); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_HI), 0); + + /* set the wb address whether it's enabled or not */ + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_RPTR_ADDR_HI), + upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_RPTR_ADDR_LO), + lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); + + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); + + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_BASE), ring->gpu_addr >> 8); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_BASE_HI), ring->gpu_addr >> 40); + + ring->wptr = 0; + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr) << 2); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2); + + doorbell = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_DOORBELL)); + doorbell_offset = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_DOORBELL_OFFSET)); + + if (ring->use_doorbell){ + doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); + doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET, + OFFSET, ring->doorbell_index); + } else { + doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); + } + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_DOORBELL), doorbell); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_DOORBELL_OFFSET), doorbell_offset); + nbio_v6_1_sdma_doorbell_range(adev, i, ring->use_doorbell, ring->doorbell_index); + + /* enable DMA RB */ + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_RB_CNTL), rb_cntl); + + ib_cntl = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_IB_CNTL)); + ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); +#ifdef __BIG_ENDIAN + ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); +#endif + /* enable DMA IBs */ + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_GFX_IB_CNTL), ib_cntl); + + ring->ready = true; + + r = amdgpu_ring_test_ring(ring); + if (r) { + ring->ready = false; + return r; + } + + if (adev->mman.buffer_funcs_ring == ring) + amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size); + } + + return 0; +} + +/** + * sdma_v4_0_rlc_resume - setup and start the async dma engines + * + * @adev: amdgpu_device pointer + * + * Set up the compute DMA queues and enable them (VEGA10). + * Returns 0 for success, error for failure. + */ +static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev) +{ + /* XXX todo */ + return 0; +} + +/** + * sdma_v4_0_load_microcode - load the sDMA ME ucode + * + * @adev: amdgpu_device pointer + * + * Loads the sDMA0/1 ucode. + * Returns 0 for success, -EINVAL if the ucode is not available. + */ +static int sdma_v4_0_load_microcode(struct amdgpu_device *adev) +{ + const struct sdma_firmware_header_v1_0 *hdr; + const __le32 *fw_data; + u32 fw_size; + u32 digest_size = 0; + int i, j; + + /* halt the MEs */ + sdma_v4_0_enable(adev, false); + + for (i = 0; i < adev->sdma.num_instances; i++) { + uint16_t version_major; + uint16_t version_minor; + if (!adev->sdma.instance[i].fw) + return -EINVAL; + + hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; + amdgpu_ucode_print_sdma_hdr(&hdr->header); + fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; + + version_major = le16_to_cpu(hdr->header.header_version_major); + version_minor = le16_to_cpu(hdr->header.header_version_minor); + + if (version_major == 1 && version_minor >= 1) { + const struct sdma_firmware_header_v1_1 *sdma_v1_1_hdr = (const struct sdma_firmware_header_v1_1 *) hdr; + digest_size = le32_to_cpu(sdma_v1_1_hdr->digest_size); + } + + fw_size -= digest_size; + + fw_data = (const __le32 *) + (adev->sdma.instance[i].fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); + + sdma_v4_0_print_ucode_regs(adev); + + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_UCODE_ADDR), 0); + + + for (j = 0; j < fw_size; j++) + { + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++)); + } + + WREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version); + } + + sdma_v4_0_print_ucode_regs(adev); + + return 0; +} + +/** + * sdma_v4_0_start - setup and start the async dma engines + * + * @adev: amdgpu_device pointer + * + * Set up the DMA engines and enable them (VEGA10). + * Returns 0 for success, error for failure. + */ +static int sdma_v4_0_start(struct amdgpu_device *adev) +{ + int r; + + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { + DRM_INFO("Loading via direct write\n"); + r = sdma_v4_0_load_microcode(adev); + if (r) + return r; + } + + /* unhalt the MEs */ + sdma_v4_0_enable(adev, true); + /* enable sdma ring preemption */ + sdma_v4_0_ctx_switch_enable(adev, true); + + /* start the gfx rings and rlc compute queues */ + r = sdma_v4_0_gfx_resume(adev); + if (r) + return r; + r = sdma_v4_0_rlc_resume(adev); + if (r) + return r; + + return 0; +} + +/** + * sdma_v4_0_ring_test_ring - simple async dma engine test + * + * @ring: amdgpu_ring structure holding ring information + * + * Test the DMA engine by writing using it to write an + * value to memory. (VEGA10). + * Returns 0 for success, error for failure. + */ +static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + unsigned i; + unsigned index; + int r; + u32 tmp; + u64 gpu_addr; + + DRM_INFO("In Ring test func\n"); + + r = amdgpu_wb_get(adev, &index); + if (r) { + dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); + return r; + } + + gpu_addr = adev->wb.gpu_addr + (index * 4); + tmp = 0xCAFEDEAD; + adev->wb.wb[index] = cpu_to_le32(tmp); + + r = amdgpu_ring_alloc(ring, 5); + if (r) { + DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); + amdgpu_wb_free(adev, index); + return r; + } + + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | + SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); + amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); + amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); + amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); + amdgpu_ring_write(ring, 0xDEADBEEF); + amdgpu_ring_commit(ring); + + for (i = 0; i < adev->usec_timeout; i++) { + tmp = le32_to_cpu(adev->wb.wb[index]); + if (tmp == 0xDEADBEEF) { + break; + } + DRM_UDELAY(1); + } + + if (i < adev->usec_timeout) { + DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); + } else { + DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", + ring->idx, tmp); + r = -EINVAL; + } + amdgpu_wb_free(adev, index); + + return r; +} + +/** + * sdma_v4_0_ring_test_ib - test an IB on the DMA engine + * + * @ring: amdgpu_ring structure holding ring information + * + * Test a simple IB in the DMA ring (VEGA10). + * Returns 0 on success, error on failure. + */ +static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_ib ib; + struct dma_fence *f = NULL; + unsigned index; + long r; + u32 tmp = 0; + u64 gpu_addr; + + r = amdgpu_wb_get(adev, &index); + if (r) { + dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); + return r; + } + + gpu_addr = adev->wb.gpu_addr + (index * 4); + tmp = 0xCAFEDEAD; + adev->wb.wb[index] = cpu_to_le32(tmp); + memset(&ib, 0, sizeof(ib)); + r = amdgpu_ib_get(adev, NULL, 256, &ib); + if (r) { + DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); + goto err0; + } + + ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | + SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); + ib.ptr[1] = lower_32_bits(gpu_addr); + ib.ptr[2] = upper_32_bits(gpu_addr); + ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); + ib.ptr[4] = 0xDEADBEEF; + ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); + ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); + ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); + ib.length_dw = 8; + + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); + if (r) + goto err1; + + r = dma_fence_wait_timeout(f, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out\n"); + r = -ETIMEDOUT; + goto err1; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); + goto err1; + } + tmp = le32_to_cpu(adev->wb.wb[index]); + if (tmp == 0xDEADBEEF) { + DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; + } else { + DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); + r = -EINVAL; + } +err1: + amdgpu_ib_free(adev, &ib, NULL); + dma_fence_put(f); +err0: + amdgpu_wb_free(adev, index); + return r; +} + + +/** + * sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART + * + * @ib: indirect buffer to fill with commands + * @pe: addr of the page entry + * @src: src addr to copy from + * @count: number of page entries to update + * + * Update PTEs by copying them from the GART using sDMA (VEGA10). + */ +static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib, + uint64_t pe, uint64_t src, + unsigned count) +{ + unsigned bytes = count * 8; + + ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | + SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); + ib->ptr[ib->length_dw++] = bytes - 1; + ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ + ib->ptr[ib->length_dw++] = lower_32_bits(src); + ib->ptr[ib->length_dw++] = upper_32_bits(src); + ib->ptr[ib->length_dw++] = lower_32_bits(pe); + ib->ptr[ib->length_dw++] = upper_32_bits(pe); + +} + +/** + * sdma_v4_0_vm_write_pte - update PTEs by writing them manually + * + * @ib: indirect buffer to fill with commands + * @pe: addr of the page entry + * @addr: dst addr to write into pe + * @count: number of page entries to update + * @incr: increase next addr by incr bytes + * @flags: access flags + * + * Update PTEs by writing them manually using sDMA (VEGA10). + */ +static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, + uint64_t value, unsigned count, + uint32_t incr) +{ + unsigned ndw = count * 2; + + ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | + SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); + ib->ptr[ib->length_dw++] = lower_32_bits(pe); + ib->ptr[ib->length_dw++] = upper_32_bits(pe); + ib->ptr[ib->length_dw++] = ndw - 1; + for (; ndw > 0; ndw -= 2) { + ib->ptr[ib->length_dw++] = lower_32_bits(value); + ib->ptr[ib->length_dw++] = upper_32_bits(value); + value += incr; + } +} + +/** + * sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA + * + * @ib: indirect buffer to fill with commands + * @pe: addr of the page entry + * @addr: dst addr to write into pe + * @count: number of page entries to update + * @incr: increase next addr by incr bytes + * @flags: access flags + * + * Update the page tables using sDMA (VEGA10). + */ +static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib, + uint64_t pe, + uint64_t addr, unsigned count, + uint32_t incr, uint64_t flags) +{ + /* for physically contiguous pages (vram) */ + ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); + ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ + ib->ptr[ib->length_dw++] = upper_32_bits(pe); + ib->ptr[ib->length_dw++] = flags; /* mask */ + ib->ptr[ib->length_dw++] = 0; + ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ + ib->ptr[ib->length_dw++] = upper_32_bits(addr); + ib->ptr[ib->length_dw++] = incr; /* increment size */ + ib->ptr[ib->length_dw++] = 0; + ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ +} + +/** + * sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw + * + * @ib: indirect buffer to fill with padding + * + */ +static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) +{ + struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); + u32 pad_count; + int i; + + pad_count = (8 - (ib->length_dw & 0x7)) % 8; + for (i = 0; i < pad_count; i++) + if (sdma && sdma->burst_nop && (i == 0)) + ib->ptr[ib->length_dw++] = + SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | + SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); + else + ib->ptr[ib->length_dw++] = + SDMA_PKT_HEADER_OP(SDMA_OP_NOP); +} + + +/** + * sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline + * + * @ring: amdgpu_ring pointer + * + * Make sure all previous operations are completed (CIK). + */ +static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) +{ + uint32_t seq = ring->fence_drv.sync_seq; + uint64_t addr = ring->fence_drv.gpu_addr; + + /* wait for idle */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | + SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | + SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ + SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); + amdgpu_ring_write(ring, addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); + amdgpu_ring_write(ring, seq); /* reference */ + amdgpu_ring_write(ring, 0xfffffff); /* mask */ + amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ +} + + +/** + * sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA + * + * @ring: amdgpu_ring pointer + * @vm: amdgpu_vm pointer + * + * Update the page table base and flush the VM TLB + * using sDMA (VEGA10). + */ +static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring, + unsigned vm_id, uint64_t pd_addr) +{ + unsigned eng = ring->idx; + unsigned i; + + pd_addr = pd_addr | 0x1; /* valid bit */ + /* now only use physical base address of PDE and valid */ + BUG_ON(pd_addr & 0xFFFF00000000003EULL); + + for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) { + struct amdgpu_vmhub *hub = &ring->adev->vmhub[i]; + uint32_t req = hub->get_invalidate_req(vm_id); + + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, hub->ctx0_ptb_addr_lo32 + vm_id * 2); + amdgpu_ring_write(ring, lower_32_bits(pd_addr)); + + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, hub->ctx0_ptb_addr_hi32 + vm_id * 2); + amdgpu_ring_write(ring, upper_32_bits(pd_addr)); + + /* flush TLB */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, hub->vm_inv_eng0_req + eng); + amdgpu_ring_write(ring, req); + + /* wait for flush */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | + SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | + SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ + amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, 1 << vm_id); /* reference */ + amdgpu_ring_write(ring, 1 << vm_id); /* mask */ + amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); + } +} + +static int sdma_v4_0_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->sdma.num_instances = 2; + + sdma_v4_0_set_ring_funcs(adev); + sdma_v4_0_set_buffer_funcs(adev); + sdma_v4_0_set_vm_pte_funcs(adev); + sdma_v4_0_set_irq_funcs(adev); + + return 0; +} + + +static int sdma_v4_0_sw_init(void *handle) +{ + struct amdgpu_ring *ring; + int r, i; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + /* SDMA trap event */ + r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_SDMA0, 224, + &adev->sdma.trap_irq); + if (r) + return r; + + /* SDMA trap event */ + r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_SDMA1, 224, + &adev->sdma.trap_irq); + if (r) + return r; + + r = sdma_v4_0_init_microcode(adev); + if (r) { + DRM_ERROR("Failed to load sdma firmware!\n"); + return r; + } + + for (i = 0; i < adev->sdma.num_instances; i++) { + ring = &adev->sdma.instance[i].ring; + ring->ring_obj = NULL; + ring->use_doorbell = true; + + DRM_INFO("use_doorbell being set to: [%s]\n", + ring->use_doorbell?"true":"false"); + + ring->doorbell_index = (i == 0) ? + (AMDGPU_DOORBELL64_sDMA_ENGINE0 << 1) //get DWORD offset + : (AMDGPU_DOORBELL64_sDMA_ENGINE1 << 1); // get DWORD offset + + sprintf(ring->name, "sdma%d", i); + r = amdgpu_ring_init(adev, ring, 1024, + &adev->sdma.trap_irq, + (i == 0) ? + AMDGPU_SDMA_IRQ_TRAP0 : + AMDGPU_SDMA_IRQ_TRAP1); + if (r) + return r; + } + + return r; +} + +static int sdma_v4_0_sw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) + amdgpu_ring_fini(&adev->sdma.instance[i].ring); + + return 0; +} + +static int sdma_v4_0_hw_init(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + sdma_v4_0_init_golden_registers(adev); + + r = sdma_v4_0_start(adev); + if (r) + return r; + + return r; +} + +static int sdma_v4_0_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + sdma_v4_0_ctx_switch_enable(adev, false); + sdma_v4_0_enable(adev, false); + + return 0; +} + +static int sdma_v4_0_suspend(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return sdma_v4_0_hw_fini(adev); +} + +static int sdma_v4_0_resume(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return sdma_v4_0_hw_init(adev); +} + +static bool sdma_v4_0_is_idle(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + u32 i; + for (i = 0; i < adev->sdma.num_instances; i++) { + u32 tmp = RREG32(sdma_v4_0_get_reg_offset(i, mmSDMA0_STATUS_REG)); + if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) + return false; + } + + return true; +} + +static int sdma_v4_0_wait_for_idle(void *handle) +{ + unsigned i; + u32 sdma0,sdma1; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + for (i = 0; i < adev->usec_timeout; i++) { + sdma0 = RREG32(sdma_v4_0_get_reg_offset(0, mmSDMA0_STATUS_REG)); + sdma1 = RREG32(sdma_v4_0_get_reg_offset(1, mmSDMA0_STATUS_REG)); + + if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) + return 0; + udelay(1); + } + return -ETIMEDOUT; +} + +static int sdma_v4_0_soft_reset(void *handle) +{ + /* todo */ + + return 0; +} + +static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned type, + enum amdgpu_interrupt_state state) +{ + u32 sdma_cntl; + + u32 reg_offset = (type == AMDGPU_SDMA_IRQ_TRAP0) ? + sdma_v4_0_get_reg_offset(0, mmSDMA0_CNTL) : + sdma_v4_0_get_reg_offset(1, mmSDMA0_CNTL); + + sdma_cntl = RREG32(reg_offset); + sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, + state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); + WREG32(reg_offset, sdma_cntl); + + return 0; +} + +static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + DRM_DEBUG("IH: SDMA trap\n"); + switch (entry->client_id) { + case AMDGPU_IH_CLIENTID_SDMA0: + switch (entry->ring_id) { + case 0: + amdgpu_fence_process(&adev->sdma.instance[0].ring); + break; + case 1: + /* XXX compute */ + break; + case 2: + /* XXX compute */ + break; + case 3: + /* XXX page queue*/ + break; + } + break; + case AMDGPU_IH_CLIENTID_SDMA1: + switch (entry->ring_id) { + case 0: + amdgpu_fence_process(&adev->sdma.instance[1].ring); + break; + case 1: + /* XXX compute */ + break; + case 2: + /* XXX compute */ + break; + case 3: + /* XXX page queue*/ + break; + } + break; + } + return 0; +} + +static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + DRM_ERROR("Illegal instruction in SDMA command stream\n"); + schedule_work(&adev->reset_work); + return 0; +} + + +static void sdma_v4_0_update_medium_grain_clock_gating( + struct amdgpu_device *adev, + bool enable) +{ + uint32_t data, def; + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { + /* enable sdma0 clock gating */ + def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); + data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data); + + if (adev->asic_type == CHIP_VEGA10) { + def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL)); + data &= ~(SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK); + if(def != data) + WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data); + } + } else { + /* disable sdma0 clock gating */ + def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); + data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | + SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); + + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data); + + if (adev->asic_type == CHIP_VEGA10) { + def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL)); + data |= (SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK | + SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK); + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data); + } + } +} + + +static void sdma_v4_0_update_medium_grain_light_sleep( + struct amdgpu_device *adev, + bool enable) +{ + uint32_t data, def; + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { + /* 1-not override: enable sdma0 mem light sleep */ + def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); + data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); + + /* 1-not override: enable sdma1 mem light sleep */ + if (adev->asic_type == CHIP_VEGA10) { + def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL)); + data |= SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data); + } + } else { + /* 0-override:disable sdma0 mem light sleep */ + def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); + data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); + + /* 0-override:disable sdma1 mem light sleep */ + if (adev->asic_type == CHIP_VEGA10) { + def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL)); + data &= ~SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; + if (def != data) + WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data); + } + } +} + +static int sdma_v4_0_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + switch (adev->asic_type) { + case CHIP_VEGA10: + sdma_v4_0_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + sdma_v4_0_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } + return 0; +} + +static int sdma_v4_0_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +const struct amd_ip_funcs sdma_v4_0_ip_funcs = { + .name = "sdma_v4_0", + .early_init = sdma_v4_0_early_init, + .late_init = NULL, + .sw_init = sdma_v4_0_sw_init, + .sw_fini = sdma_v4_0_sw_fini, + .hw_init = sdma_v4_0_hw_init, + .hw_fini = sdma_v4_0_hw_fini, + .suspend = sdma_v4_0_suspend, + .resume = sdma_v4_0_resume, + .is_idle = sdma_v4_0_is_idle, + .wait_for_idle = sdma_v4_0_wait_for_idle, + .soft_reset = sdma_v4_0_soft_reset, + .set_clockgating_state = sdma_v4_0_set_clockgating_state, + .set_powergating_state = sdma_v4_0_set_powergating_state, +}; + +static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { + .type = AMDGPU_RING_TYPE_SDMA, + .align_mask = 0xf, + .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), + .support_64bit_ptrs = true, + .get_rptr = sdma_v4_0_ring_get_rptr, + .get_wptr = sdma_v4_0_ring_get_wptr, + .set_wptr = sdma_v4_0_ring_set_wptr, + .emit_frame_size = + 6 + /* sdma_v4_0_ring_emit_hdp_flush */ + 3 + /* sdma_v4_0_ring_emit_hdp_invalidate */ + 6 + /* sdma_v4_0_ring_emit_pipeline_sync */ + 36 + /* sdma_v4_0_ring_emit_vm_flush */ + 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */ + .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */ + .emit_ib = sdma_v4_0_ring_emit_ib, + .emit_fence = sdma_v4_0_ring_emit_fence, + .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync, + .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush, + .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush, + .emit_hdp_invalidate = sdma_v4_0_ring_emit_hdp_invalidate, + .test_ring = sdma_v4_0_ring_test_ring, + .test_ib = sdma_v4_0_ring_test_ib, + .insert_nop = sdma_v4_0_ring_insert_nop, + .pad_ib = sdma_v4_0_ring_pad_ib, +}; + +static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) +{ + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) + adev->sdma.instance[i].ring.funcs = &sdma_v4_0_ring_funcs; +} + +static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = { + .set = sdma_v4_0_set_trap_irq_state, + .process = sdma_v4_0_process_trap_irq, +}; + +static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = { + .process = sdma_v4_0_process_illegal_inst_irq, +}; + +static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev) +{ + adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; + adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs; + adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs; +} + +/** + * sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine + * + * @ring: amdgpu_ring structure holding ring information + * @src_offset: src GPU address + * @dst_offset: dst GPU address + * @byte_count: number of bytes to xfer + * + * Copy GPU buffers using the DMA engine (VEGA10). + * Used by the amdgpu ttm implementation to move pages if + * registered as the asic copy callback. + */ +static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib, + uint64_t src_offset, + uint64_t dst_offset, + uint32_t byte_count) +{ + ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | + SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); + ib->ptr[ib->length_dw++] = byte_count - 1; + ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ + ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); + ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); + ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); + ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); +} + +/** + * sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine + * + * @ring: amdgpu_ring structure holding ring information + * @src_data: value to write to buffer + * @dst_offset: dst GPU address + * @byte_count: number of bytes to xfer + * + * Fill GPU buffers using the DMA engine (VEGA10). + */ +static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib, + uint32_t src_data, + uint64_t dst_offset, + uint32_t byte_count) +{ + ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); + ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); + ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); + ib->ptr[ib->length_dw++] = src_data; + ib->ptr[ib->length_dw++] = byte_count - 1; +} + +static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = { + .copy_max_bytes = 0x400000, + .copy_num_dw = 7, + .emit_copy_buffer = sdma_v4_0_emit_copy_buffer, + + .fill_max_bytes = 0x400000, + .fill_num_dw = 5, + .emit_fill_buffer = sdma_v4_0_emit_fill_buffer, +}; + +static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev) +{ + if (adev->mman.buffer_funcs == NULL) { + adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs; + adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; + } +} + +static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = { + .copy_pte = sdma_v4_0_vm_copy_pte, + .write_pte = sdma_v4_0_vm_write_pte, + .set_pte_pde = sdma_v4_0_vm_set_pte_pde, +}; + +static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev) +{ + unsigned i; + + if (adev->vm_manager.vm_pte_funcs == NULL) { + adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs; + for (i = 0; i < adev->sdma.num_instances; i++) + adev->vm_manager.vm_pte_rings[i] = + &adev->sdma.instance[i].ring; + + adev->vm_manager.vm_pte_num_rings = adev->sdma.num_instances; + } +} + +const struct amdgpu_ip_block_version sdma_v4_0_ip_block = +{ + .type = AMD_IP_BLOCK_TYPE_SDMA, + .major = 4, + .minor = 0, + .rev = 0, + .funcs = &sdma_v4_0_ip_funcs, +}; diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.h b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.h new file mode 100644 index 000000000000..5c5a7479a062 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.h @@ -0,0 +1,30 @@ +/* + * Copyright 2016 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 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) OR AUTHOR(S) 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. + * + */ + +#ifndef __SDMA_V4_0_H__ +#define __SDMA_V4_0_H__ + +extern const struct amd_ip_funcs sdma_v4_0_ip_funcs; +extern const struct amdgpu_ip_block_version sdma_v4_0_ip_block; + +#endif -- GitLab