--- /dev/null
+/*
+ * Copyright 2019 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 <linux/firmware.h>
+#include <drm/drmP.h>
+#include "amdgpu.h"
+#include "amdgpu_ucode.h"
+#include "amdgpu_trace.h"
+
+#include "gc/gc_10_1_0_offset.h"
+#include "gc/gc_10_1_0_sh_mask.h"
+#include "hdp/hdp_5_0_0_offset.h"
+#include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h"
+#include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h"
+
+#include "soc15_common.h"
+#include "soc15.h"
+#include "navi10_sdma_pkt_open.h"
+#include "nbio_v2_3.h"
+#include "sdma_v5_0.h"
+
+MODULE_FIRMWARE("amdgpu/navi10_sdma.bin");
+MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin");
+
+#define SDMA1_REG_OFFSET 0x600
+#define SDMA0_HYP_DEC_REG_START 0x5880
+#define SDMA0_HYP_DEC_REG_END 0x5893
+#define SDMA1_HYP_DEC_REG_OFFSET 0x20
+
+static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
+static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
+static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
+static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev);
+
+static const struct soc15_reg_golden golden_settings_sdma_5[] = {
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
+};
+
+static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
+};
+
+static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset)
+{
+ u32 base;
+
+ if (internal_offset >= SDMA0_HYP_DEC_REG_START &&
+ internal_offset <= SDMA0_HYP_DEC_REG_END) {
+ base = adev->reg_offset[GC_HWIP][0][1];
+ if (instance == 1)
+ internal_offset += SDMA1_HYP_DEC_REG_OFFSET;
+ } else {
+ base = adev->reg_offset[GC_HWIP][0][0];
+ if (instance == 1)
+ internal_offset += SDMA1_REG_OFFSET;
+ }
+
+ return base + internal_offset;
+}
+
+static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
+{
+ switch (adev->asic_type) {
+ case CHIP_NAVI10:
+ soc15_program_register_sequence(adev,
+ golden_settings_sdma_5,
+ (const u32)ARRAY_SIZE(golden_settings_sdma_5));
+ soc15_program_register_sequence(adev,
+ golden_settings_sdma_nv10,
+ (const u32)ARRAY_SIZE(golden_settings_sdma_nv10));
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * sdma_v5_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
+// navi10 real chip need to use PSP to load firmware
+static int sdma_v5_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_NAVI10:
+ chip_name = "navi10";
+ 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) {
+ DRM_ERROR("sdma_v5_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;
+}
+
+static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring)
+{
+ unsigned ret;
+
+ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE));
+ amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr));
+ amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr));
+ amdgpu_ring_write(ring, 1);
+ ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */
+ amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */
+
+ return ret;
+}
+
+static void sdma_v5_0_ring_patch_cond_exec(struct amdgpu_ring *ring,
+ unsigned offset)
+{
+ unsigned cur;
+
+ BUG_ON(offset > ring->buf_mask);
+ BUG_ON(ring->ring[offset] != 0x55aa55aa);
+
+ cur = (ring->wptr - 1) & ring->buf_mask;
+ if (cur > offset)
+ ring->ring[offset] = cur - offset;
+ else
+ ring->ring[offset] = (ring->buf_mask + 1) - offset + cur;
+}
+
+/**
+ * sdma_v5_0_ring_get_rptr - get the current read pointer
+ *
+ * @ring: amdgpu ring pointer
+ *
+ * Get the current rptr from the hardware (NAVI10+).
+ */
+static uint64_t sdma_v5_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_v5_0_ring_get_wptr - get the current write pointer
+ *
+ * @ring: amdgpu ring pointer
+ *
+ * Get the current wptr from the hardware (NAVI10+).
+ */
+static uint64_t sdma_v5_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;
+
+ wptr = &local_wptr;
+ lowbit = RREG32(sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR)) >> 2;
+ highbit = RREG32(sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI)) >> 2;
+
+ DRM_DEBUG("wptr [%i]high== 0x%08x low==0x%08x\n",
+ ring->me, highbit, lowbit);
+ *wptr = highbit;
+ *wptr = (*wptr) << 32;
+ *wptr |= lowbit;
+ }
+
+ return *wptr;
+}
+
+/**
+ * sdma_v5_0_ring_set_wptr - commit the write pointer
+ *
+ * @ring: amdgpu ring pointer
+ *
+ * Write the wptr back to the hardware (NAVI10+).
+ */
+static void sdma_v5_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 {
+ DRM_DEBUG("Not using doorbell -- "
+ "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
+ "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
+ ring->me,
+ lower_32_bits(ring->wptr << 2),
+ ring->me,
+ upper_32_bits(ring->wptr << 2));
+ WREG32(sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR),
+ lower_32_bits(ring->wptr << 2));
+ WREG32(sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI),
+ upper_32_bits(ring->wptr << 2));
+ }
+}
+
+static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
+{
+ struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(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_v5_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 (NAVI10).
+ */
+static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
+ struct amdgpu_job *job,
+ struct amdgpu_ib *ib,
+ uint32_t flags)
+{
+ unsigned vmid = AMDGPU_JOB_GET_VMID(job);
+ uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
+
+ /* IB packet must end on a 8 DW boundary */
+ sdma_v5_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 & 0xf));
+ /* 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, lower_32_bits(csa_mc_addr));
+ amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr));
+}
+
+/**
+ * sdma_v5_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_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+ u32 ref_and_mask = 0;
+ const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio_funcs->hdp_flush_reg;
+
+ if (ring->me == 0)
+ 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, (adev->nbio_funcs->get_hdp_flush_done_offset(adev)) << 2);
+ amdgpu_ring_write(ring, (adev->nbio_funcs->get_hdp_flush_req_offset(adev)) << 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 */
+}
+
+/**
+ * sdma_v5_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 (NAVI10).
+ */
+static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
+ unsigned flags)
+{
+ struct amdgpu_device *adev = ring->adev;
+ bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
+ /* write the fence */
+ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
+ SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */
+ /* 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) |
+ SDMA_PKT_FENCE_HEADER_MTYPE(0x3));
+ /* 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));
+ }
+
+ /* Interrupt not work fine on GFX10.1 model yet. Use fallback instead */
+ if ((flags & AMDGPU_FENCE_FLAG_INT) && adev->pdev->device != 0x50) {
+ /* 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_v5_0_gfx_stop - stop the gfx async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Stop the gfx async dma ring buffers (NAVI10).
+ */
+static void sdma_v5_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_buffer_funcs_status(adev, false);
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ rb_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
+ ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
+ ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
+ }
+
+ sdma0->sched.ready = false;
+ sdma1->sched.ready = false;
+}
+
+/**
+ * sdma_v5_0_rlc_stop - stop the compute async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Stop the compute async dma queues (NAVI10).
+ */
+static void sdma_v5_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 (NAVI10).
+ */
+static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
+{
+ u32 f32_cntl, phase_quantum = 0;
+ int i;
+
+ if (amdgpu_sdma_phase_quantum) {
+ unsigned value = amdgpu_sdma_phase_quantum;
+ unsigned unit = 0;
+
+ while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
+ SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
+ value = (value + 1) >> 1;
+ unit++;
+ }
+ if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
+ SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
+ value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
+ SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
+ unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
+ SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
+ WARN_ONCE(1,
+ "clamping sdma_phase_quantum to %uK clock cycles\n",
+ value << unit);
+ }
+ phase_quantum =
+ value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
+ unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
+ }
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
+ f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
+ AUTO_CTXSW_ENABLE, enable ? 1 : 0);
+ if (enable && amdgpu_sdma_phase_quantum) {
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
+ phase_quantum);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM),
+ phase_quantum);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
+ phase_quantum);
+ }
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
+ }
+
+}
+
+/**
+ * sdma_v5_0_enable - stop the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ * @enable: enable/disable the DMA MEs.
+ *
+ * Halt or unhalt the async dma engines (NAVI10).
+ */
+static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
+{
+ u32 f32_cntl;
+ int i;
+
+ if (enable == false) {
+ sdma_v5_0_gfx_stop(adev);
+ sdma_v5_0_rlc_stop(adev);
+ }
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
+ f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
+ }
+}
+
+/**
+ * sdma_v5_0_gfx_resume - setup and start the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Set up the gfx DMA ring buffers and enable them (NAVI10).
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v5_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;
+ u32 temp;
+ u32 wptr_gpu_addr, wptr_poll_cntl;
+ 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_v5_0_get_reg_offset(adev, 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_v5_0_get_reg_offset(adev, 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_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
+
+ /* Initialize the ring buffer's read and write pointers */
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0);
+
+ /* setup the wptr shadow polling */
+ wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO),
+ lower_32_bits(wptr_gpu_addr));
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI),
+ upper_32_bits(wptr_gpu_addr));
+ wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i,
+ mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
+ wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
+ SDMA0_GFX_RB_WPTR_POLL_CNTL,
+ F32_POLL_ENABLE, 1);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL),
+ wptr_poll_cntl);
+
+ /* set the wb address whether it's enabled or not */
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI),
+ upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
+ WREG32(sdma_v5_0_get_reg_offset(adev, 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_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE), ring->gpu_addr >> 8);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI), ring->gpu_addr >> 40);
+
+ ring->wptr = 0;
+
+ /* before programing wptr to a less value, need set minor_ptr_update first */
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1);
+
+ if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr) << 2);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2);
+ }
+
+ doorbell = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL));
+ doorbell_offset = RREG32(sdma_v5_0_get_reg_offset(adev, 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_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET), doorbell_offset);
+
+ adev->nbio_funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
+ ring->doorbell_index, 20);
+
+ if (amdgpu_sriov_vf(adev))
+ sdma_v5_0_ring_set_wptr(ring);
+
+ /* set minor_ptr_update to 0 after wptr programed */
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
+
+ /* set utc l1 enable flag always to 1 */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
+
+ /* enable MCBP */
+ temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
+
+ /* Set up RESP_MODE to non-copy addresses */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 2);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
+
+ /* program default cache read and write policy */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
+ /* clean read policy and write policy bits */
+ temp &= 0xFF0FFF;
+ temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
+
+ if (!amdgpu_sriov_vf(adev)) {
+ /* unhalt engine */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp);
+ }
+
+ /* enable DMA RB */
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
+
+ ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 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_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
+
+ ring->sched.ready = true;
+
+ if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
+ sdma_v5_0_ctx_switch_enable(adev, true);
+ sdma_v5_0_enable(adev, true);
+ }
+
+ r = amdgpu_ring_test_ring(ring);
+ if (r) {
+ ring->sched.ready = false;
+ return r;
+ }
+
+ if (adev->mman.buffer_funcs_ring == ring)
+ amdgpu_ttm_set_buffer_funcs_status(adev, true);
+ }
+
+ return 0;
+}
+
+/**
+ * sdma_v5_0_rlc_resume - setup and start the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Set up the compute DMA queues and enable them (NAVI10).
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev)
+{
+ return 0;
+}
+
+/**
+ * sdma_v5_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_v5_0_load_microcode(struct amdgpu_device *adev)
+{
+ const struct sdma_firmware_header_v1_0 *hdr;
+ const __le32 *fw_data;
+ u32 fw_size;
+ int i, j;
+
+ /* halt the MEs */
+ sdma_v5_0_enable(adev, false);
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ 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;
+
+ fw_data = (const __le32 *)
+ (adev->sdma.instance[i].fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0);
+
+ for (j = 0; j < fw_size; j++) {
+ if (amdgpu_emu_mode == 1 && j % 500 == 0)
+ msleep(1);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
+ }
+
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version);
+ }
+
+ return 0;
+}
+
+/**
+ * sdma_v5_0_start - setup and start the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Set up the DMA engines and enable them (NAVI10).
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v5_0_start(struct amdgpu_device *adev)
+{
+ int r = 0;
+
+ if (amdgpu_sriov_vf(adev)) {
+ sdma_v5_0_ctx_switch_enable(adev, false);
+ sdma_v5_0_enable(adev, false);
+
+ /* set RB registers */
+ r = sdma_v5_0_gfx_resume(adev);
+ return r;
+ }
+
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
+ r = sdma_v5_0_load_microcode(adev);
+ if (r)
+ return r;
+
+ /* The value of mmSDMA_F32_CNTL is invalid the moment after loading fw */
+ if (amdgpu_emu_mode == 1 && adev->pdev->device == 0x4d)
+ msleep(1000);
+ }
+
+ /* unhalt the MEs */
+ sdma_v5_0_enable(adev, true);
+ /* enable sdma ring preemption */
+ sdma_v5_0_ctx_switch_enable(adev, true);
+
+ /* start the gfx rings and rlc compute queues */
+ r = sdma_v5_0_gfx_resume(adev);
+ if (r)
+ return r;
+ r = sdma_v5_0_rlc_resume(adev);
+
+ return r;
+}
+
+/**
+ * sdma_v5_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. (NAVI10).
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v5_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;
+
+ r = amdgpu_device_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_device_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;
+ if (amdgpu_emu_mode == 1)
+ msleep(1);
+ else
+ DRM_UDELAY(1);
+ }
+
+ if (i < adev->usec_timeout) {
+ if (amdgpu_emu_mode == 1)
+ DRM_INFO("ring test on %d succeeded in %d msecs\n", ring->idx, i);
+ else
+ 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_device_wb_free(adev, index);
+
+ return r;
+}
+
+/**
+ * sdma_v5_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 (NAVI10).
+ * Returns 0 on success, error on failure.
+ */
+static int sdma_v5_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_device_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_device_wb_free(adev, index);
+ return r;
+}
+
+
+/**
+ * sdma_v5_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 (NAVI10).
+ */
+static void sdma_v5_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_v5_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 (NAVI10).
+ */
+static void sdma_v5_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_v5_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 (NAVI10).
+ */
+static void sdma_v5_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++] = lower_32_bits(flags); /* mask */
+ ib->ptr[ib->length_dw++] = upper_32_bits(flags);
+ 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_v5_0_ring_pad_ib - pad the IB to the required number of dw
+ *
+ * @ib: indirect buffer to fill with padding
+ *
+ */
+static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
+{
+ struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(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_v5_0_ring_emit_pipeline_sync - sync the pipeline
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Make sure all previous operations are completed (CIK).
+ */
+static void sdma_v5_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_v5_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 (NAVI10).
+ */
+static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
+ unsigned vmid, uint64_t pd_addr)
+{
+ amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
+}
+
+static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
+ SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
+ amdgpu_ring_write(ring, reg);
+ amdgpu_ring_write(ring, val);
+}
+
+static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t val, uint32_t mask)
+{
+ 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, reg << 2);
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, val); /* reference */
+ amdgpu_ring_write(ring, mask); /* mask */
+ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
+ SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
+}
+
+static int sdma_v5_0_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ adev->sdma.num_instances = 2;
+
+ sdma_v5_0_set_ring_funcs(adev);
+ sdma_v5_0_set_buffer_funcs(adev);
+ sdma_v5_0_set_vm_pte_funcs(adev);
+ sdma_v5_0_set_irq_funcs(adev);
+
+ return 0;
+}
+
+
+static int sdma_v5_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, SOC15_IH_CLIENTID_SDMA0,
+ SDMA0_5_0__SRCID__SDMA_TRAP,
+ &adev->sdma.trap_irq);
+ if (r)
+ return r;
+
+ /* SDMA trap event */
+ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1,
+ SDMA1_5_0__SRCID__SDMA_TRAP,
+ &adev->sdma.trap_irq);
+ if (r)
+ return r;
+
+ r = sdma_v5_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) ?
+ (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset
+ : (adev->doorbell_index.sdma_engine[1] << 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_INSTANCE0 :
+ AMDGPU_SDMA_IRQ_INSTANCE1);
+ if (r)
+ return r;
+ }
+
+ return r;
+}
+
+static int sdma_v5_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_v5_0_hw_init(void *handle)
+{
+ int r;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ sdma_v5_0_init_golden_registers(adev);
+
+ r = sdma_v5_0_start(adev);
+
+ return r;
+}
+
+static int sdma_v5_0_hw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
+ sdma_v5_0_ctx_switch_enable(adev, false);
+ sdma_v5_0_enable(adev, false);
+
+ return 0;
+}
+
+static int sdma_v5_0_suspend(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ return sdma_v5_0_hw_fini(adev);
+}
+
+static int sdma_v5_0_resume(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ return sdma_v5_0_hw_init(adev);
+}
+
+static bool sdma_v5_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_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG));
+
+ if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
+ return false;
+ }
+
+ return true;
+}
+
+static int sdma_v5_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_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG));
+ sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG));
+
+ if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
+ return 0;
+ udelay(1);
+ }
+ return -ETIMEDOUT;
+}
+
+static int sdma_v5_0_soft_reset(void *handle)
+{
+ /* todo */
+
+ return 0;
+}
+
+static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring)
+{
+ int i, r = 0;
+ struct amdgpu_device *adev = ring->adev;
+ u32 index = 0;
+ u64 sdma_gfx_preempt;
+
+ amdgpu_sdma_get_index_from_ring(ring, &index);
+ if (index == 0)
+ sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT;
+ else
+ sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT;
+
+ /* assert preemption condition */
+ amdgpu_ring_set_preempt_cond_exec(ring, false);
+
+ /* emit the trailing fence */
+ ring->trail_seq += 1;
+ amdgpu_ring_alloc(ring, 10);
+ sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
+ ring->trail_seq, 0);
+ amdgpu_ring_commit(ring);
+
+ /* assert IB preemption */
+ WREG32(sdma_gfx_preempt, 1);
+
+ /* poll the trailing fence */
+ for (i = 0; i < adev->usec_timeout; i++) {
+ if (ring->trail_seq ==
+ le32_to_cpu(*(ring->trail_fence_cpu_addr)))
+ break;
+ DRM_UDELAY(1);
+ }
+
+ if (i >= adev->usec_timeout) {
+ r = -EINVAL;
+ DRM_ERROR("ring %d failed to be preempted\n", ring->idx);
+ }
+
+ /* deassert IB preemption */
+ WREG32(sdma_gfx_preempt, 0);
+
+ /* deassert the preemption condition */
+ amdgpu_ring_set_preempt_cond_exec(ring, true);
+ return r;
+}
+
+static int sdma_v5_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_INSTANCE0) ?
+ sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
+ sdma_v5_0_get_reg_offset(adev, 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_v5_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 SOC15_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 SOC15_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_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ return 0;
+}
+
+static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t data, def;
+ int i;
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
+ /* Enable sdma clock gating */
+ def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, 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(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
+ } else {
+ /* Disable sdma clock gating */
+ def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, 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(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
+ }
+ }
+}
+
+static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t data, def;
+ int i;
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
+ /* Enable sdma mem light sleep */
+ def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
+ data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
+ if (def != data)
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
+
+ } else {
+ /* Disable sdma mem light sleep */
+ def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
+ data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
+ if (def != data)
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
+
+ }
+ }
+}
+
+static int sdma_v5_0_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
+ switch (adev->asic_type) {
+ case CHIP_NAVI10:
+ sdma_v5_0_update_medium_grain_clock_gating(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ sdma_v5_0_update_medium_grain_light_sleep(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int sdma_v5_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+static void sdma_v5_0_get_clockgating_state(void *handle, u32 *flags)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int data;
+
+ if (amdgpu_sriov_vf(adev))
+ *flags = 0;
+
+ /* AMD_CG_SUPPORT_SDMA_MGCG */
+ data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
+ if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
+ *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
+
+ /* AMD_CG_SUPPORT_SDMA_LS */
+ data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
+ if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
+ *flags |= AMD_CG_SUPPORT_SDMA_LS;
+}
+
+const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
+ .name = "sdma_v5_0",
+ .early_init = sdma_v5_0_early_init,
+ .late_init = NULL,
+ .sw_init = sdma_v5_0_sw_init,
+ .sw_fini = sdma_v5_0_sw_fini,
+ .hw_init = sdma_v5_0_hw_init,
+ .hw_fini = sdma_v5_0_hw_fini,
+ .suspend = sdma_v5_0_suspend,
+ .resume = sdma_v5_0_resume,
+ .is_idle = sdma_v5_0_is_idle,
+ .wait_for_idle = sdma_v5_0_wait_for_idle,
+ .soft_reset = sdma_v5_0_soft_reset,
+ .set_clockgating_state = sdma_v5_0_set_clockgating_state,
+ .set_powergating_state = sdma_v5_0_set_powergating_state,
+ .get_clockgating_state = sdma_v5_0_get_clockgating_state,
+};
+
+static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
+ .type = AMDGPU_RING_TYPE_SDMA,
+ .align_mask = 0xf,
+ .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
+ .support_64bit_ptrs = true,
+ .vmhub = AMDGPU_GFXHUB,
+ .get_rptr = sdma_v5_0_ring_get_rptr,
+ .get_wptr = sdma_v5_0_ring_get_wptr,
+ .set_wptr = sdma_v5_0_ring_set_wptr,
+ .emit_frame_size =
+ 5 + /* sdma_v5_0_ring_init_cond_exec */
+ 6 + /* sdma_v5_0_ring_emit_hdp_flush */
+ 3 + /* hdp_invalidate */
+ 6 + /* sdma_v5_0_ring_emit_pipeline_sync */
+ /* sdma_v5_0_ring_emit_vm_flush */
+ SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
+ SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
+ 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
+ .emit_ib_size = 7 + 6, /* sdma_v5_0_ring_emit_ib */
+ .emit_ib = sdma_v5_0_ring_emit_ib,
+ .emit_fence = sdma_v5_0_ring_emit_fence,
+ .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
+ .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush,
+ .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush,
+ .test_ring = sdma_v5_0_ring_test_ring,
+ .test_ib = sdma_v5_0_ring_test_ib,
+ .insert_nop = sdma_v5_0_ring_insert_nop,
+ .pad_ib = sdma_v5_0_ring_pad_ib,
+ .emit_wreg = sdma_v5_0_ring_emit_wreg,
+ .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait,
+ .init_cond_exec = sdma_v5_0_ring_init_cond_exec,
+ .patch_cond_exec = sdma_v5_0_ring_patch_cond_exec,
+ .preempt_ib = sdma_v5_0_ring_preempt_ib,
+};
+
+static void sdma_v5_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_v5_0_ring_funcs;
+ adev->sdma.instance[i].ring.me = i;
+ }
+}
+
+static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = {
+ .set = sdma_v5_0_set_trap_irq_state,
+ .process = sdma_v5_0_process_trap_irq,
+};
+
+static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {
+ .process = sdma_v5_0_process_illegal_inst_irq,
+};
+
+static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
+ adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs;
+ adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs;
+}
+
+/**
+ * sdma_v5_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 (NAVI10).
+ * Used by the amdgpu ttm implementation to move pages if
+ * registered as the asic copy callback.
+ */
+static void sdma_v5_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_v5_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 (NAVI10).
+ */
+static void sdma_v5_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_v5_0_buffer_funcs = {
+ .copy_max_bytes = 0x400000,
+ .copy_num_dw = 7,
+ .emit_copy_buffer = sdma_v5_0_emit_copy_buffer,
+
+ .fill_max_bytes = 0x400000,
+ .fill_num_dw = 5,
+ .emit_fill_buffer = sdma_v5_0_emit_fill_buffer,
+};
+
+static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev)
+{
+ if (adev->mman.buffer_funcs == NULL) {
+ adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs;
+ adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
+ }
+}
+
+static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = {
+ .copy_pte_num_dw = 7,
+ .copy_pte = sdma_v5_0_vm_copy_pte,
+ .write_pte = sdma_v5_0_vm_write_pte,
+ .set_pte_pde = sdma_v5_0_vm_set_pte_pde,
+};
+
+static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev)
+{
+ struct drm_gpu_scheduler *sched;
+ unsigned i;
+
+ if (adev->vm_manager.vm_pte_funcs == NULL) {
+ adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs;
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ sched = &adev->sdma.instance[i].ring.sched;
+ adev->vm_manager.vm_pte_rqs[i] =
+ &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL];
+ }
+ adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances;
+ }
+}
+
+const struct amdgpu_ip_block_version sdma_v5_0_ip_block = {
+ .type = AMD_IP_BLOCK_TYPE_SDMA,
+ .major = 5,
+ .minor = 0,
+ .rev = 0,
+ .funcs = &sdma_v5_0_ip_funcs,
+};
projects / linux-2.6-microblaze.git / commitdiff