--- /dev/null
+/*
+ * Copyright 2020 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/delay.h>
+#include <linux/firmware.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "amdgpu.h"
+#include "amdgpu_ucode.h"
+#include "amdgpu_trace.h"
+
+#include "gc/gc_11_0_0_offset.h"
+#include "gc/gc_11_0_0_sh_mask.h"
+#include "gc/gc_11_0_0_default.h"
+#include "hdp/hdp_6_0_0_offset.h"
+#include "ivsrcid/gfx/irqsrcs_gfx_11_0_0.h"
+
+#include "soc15_common.h"
+#include "soc15.h"
+#include "sdma_v6_0_0_pkt_open.h"
+#include "nbio_v4_3.h"
+#include "sdma_common.h"
+#include "sdma_v6_0.h"
+#include "v11_structs.h"
+
+MODULE_FIRMWARE("amdgpu/sdma_6_0_0.bin");
+
+#define SDMA1_REG_OFFSET 0x600
+#define SDMA0_HYP_DEC_REG_START 0x5880
+#define SDMA0_HYP_DEC_REG_END 0x589a
+#define SDMA1_HYP_DEC_REG_OFFSET 0x20
+
+static void sdma_v6_0_set_ring_funcs(struct amdgpu_device *adev);
+static void sdma_v6_0_set_buffer_funcs(struct amdgpu_device *adev);
+static void sdma_v6_0_set_vm_pte_funcs(struct amdgpu_device *adev);
+static void sdma_v6_0_set_irq_funcs(struct amdgpu_device *adev);
+
+static u32 sdma_v6_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 != 0)
+ internal_offset += SDMA1_HYP_DEC_REG_OFFSET * instance;
+ } else {
+ base = adev->reg_offset[GC_HWIP][0][0];
+ if (instance == 1)
+ internal_offset += SDMA1_REG_OFFSET;
+ }
+
+ return base + internal_offset;
+}
+
+static int sdma_v6_0_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
+{
+ int err = 0;
+ const struct sdma_firmware_header_v2_0 *hdr;
+
+ err = amdgpu_ucode_validate(sdma_inst->fw);
+ if (err)
+ return err;
+
+ hdr = (const struct sdma_firmware_header_v2_0 *)sdma_inst->fw->data;
+ sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version);
+ sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version);
+
+ if (sdma_inst->feature_version >= 20)
+ sdma_inst->burst_nop = true;
+
+ return 0;
+}
+
+static void sdma_v6_0_destroy_inst_ctx(struct amdgpu_device *adev)
+{
+ release_firmware(adev->sdma.instance[0].fw);
+
+ memset((void*)adev->sdma.instance, 0,
+ sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES);
+}
+
+/**
+ * sdma_v6_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
+// sdma 6.0.0 real chip need to use PSP to load firmware
+static int sdma_v6_0_init_microcode(struct amdgpu_device *adev)
+{
+ char fw_name[30];
+ char ucode_prefix[30];
+ int err = 0, i;
+ struct amdgpu_firmware_info *info = NULL;
+ const struct sdma_firmware_header_v2_0 *sdma_hdr;
+
+ DRM_DEBUG("\n");
+
+ amdgpu_ucode_ip_version_decode(adev, SDMA0_HWIP, ucode_prefix, sizeof(ucode_prefix));
+
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
+
+ err = request_firmware(&adev->sdma.instance[0].fw, fw_name, adev->dev);
+ if (err)
+ goto out;
+
+ err = sdma_v6_0_init_inst_ctx(&adev->sdma.instance[0]);
+ if (err)
+ goto out;
+
+ for (i = 1; i < adev->sdma.num_instances; i++) {
+ memcpy((void*)&adev->sdma.instance[i],
+ (void*)&adev->sdma.instance[0],
+ sizeof(struct amdgpu_sdma_instance));
+ }
+
+ 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) {
+ sdma_hdr = (const struct sdma_firmware_header_v2_0 *)adev->sdma.instance[0].fw->data;
+ info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_UCODE_TH0];
+ info->ucode_id = AMDGPU_UCODE_ID_SDMA_UCODE_TH0;
+ info->fw = adev->sdma.instance[0].fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(sdma_hdr->ctx_ucode_size_bytes), PAGE_SIZE);
+ info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_UCODE_TH1];
+ info->ucode_id = AMDGPU_UCODE_ID_SDMA_UCODE_TH1;
+ info->fw = adev->sdma.instance[0].fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(sdma_hdr->ctl_ucode_size_bytes), PAGE_SIZE);
+ }
+
+out:
+ if (err) {
+ DRM_ERROR("sdma_v6_0: Failed to load firmware \"%s\"\n", fw_name);
+ sdma_v6_0_destroy_inst_ctx(adev);
+ }
+ return err;
+}
+
+static unsigned sdma_v6_0_ring_init_cond_exec(struct amdgpu_ring *ring)
+{
+ unsigned ret;
+
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_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_v6_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_v6_0_ring_get_rptr - get the current read pointer
+ *
+ * @ring: amdgpu ring pointer
+ *
+ * Get the current rptr from the hardware.
+ */
+static uint64_t sdma_v6_0_ring_get_rptr(struct amdgpu_ring *ring)
+{
+ u64 *rptr;
+
+ /* XXX check if swapping is necessary on BE */
+ rptr = (u64 *)ring->rptr_cpu_addr;
+
+ DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
+ return ((*rptr) >> 2);
+}
+
+/**
+ * sdma_v6_0_ring_get_wptr - get the current write pointer
+ *
+ * @ring: amdgpu ring pointer
+ *
+ * Get the current wptr from the hardware.
+ */
+static uint64_t sdma_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
+{
+ u64 wptr = 0;
+
+ if (ring->use_doorbell) {
+ /* XXX check if swapping is necessary on BE */
+ wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr));
+ DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
+ }
+
+ return wptr >> 2;
+}
+
+/**
+ * sdma_v6_0_ring_set_wptr - commit the write pointer
+ *
+ * @ring: amdgpu ring pointer
+ *
+ * Write the wptr back to the hardware.
+ */
+static void sdma_v6_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 */
+ atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
+ 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 -- "
+ "regSDMA%i_GFX_RB_WPTR == 0x%08x "
+ "regSDMA%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_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, ring->me, regSDMA0_QUEUE0_RB_WPTR),
+ lower_32_bits(ring->wptr << 2));
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, ring->me, regSDMA0_QUEUE0_RB_WPTR_HI),
+ upper_32_bits(ring->wptr << 2));
+ }
+}
+
+static void sdma_v6_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_v6_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.
+ */
+static void sdma_v6_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);
+
+ /* An IB packet must end on a 8 DW boundary--the next dword
+ * must be on a 8-dword boundary. Our IB packet below is 6
+ * dwords long, thus add x number of NOPs, such that, in
+ * modular arithmetic,
+ * wptr + 6 + x = 8k, k >= 0, which in C is,
+ * (wptr + 6 + x) % 8 = 0.
+ * The expression below, is a solution of x.
+ */
+ sdma_v6_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
+
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_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_v6_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
+ *
+ * @ring: amdgpu ring pointer
+ * @job: job to retrieve vmid from
+ * @ib: IB object to schedule
+ *
+ * flush the IB by graphics cache rinse.
+ */
+static void sdma_v6_0_ring_emit_mem_sync(struct amdgpu_ring *ring)
+{
+ uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV |
+ SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV |
+ SDMA_GCR_GLI_INV(1);
+
+ /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_GCR_REQ));
+ amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0));
+ amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) |
+ SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0));
+ amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) |
+ SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16));
+ amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) |
+ SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0));
+}
+
+
+/**
+ * sdma_v6_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_v6_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.hdp_flush_reg;
+
+ ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
+
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_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_v6_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.
+ */
+static void sdma_v6_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_COPY_LINEAR_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_COPY_LINEAR_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));
+ }
+
+ if (flags & AMDGPU_FENCE_FLAG_INT) {
+ uint32_t ctx = ring->is_mes_queue ?
+ (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0;
+ /* generate an interrupt */
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_TRAP));
+ amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx));
+ }
+}
+
+/**
+ * sdma_v6_0_gfx_stop - stop the gfx async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Stop the gfx async dma ring buffers.
+ */
+static void sdma_v6_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_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL));
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_ENABLE, 0);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl);
+ ib_cntl = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL));
+ ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_ENABLE, 0);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL), ib_cntl);
+ }
+
+ sdma0->sched.ready = false;
+ sdma1->sched.ready = false;
+}
+
+/**
+ * sdma_v6_0_rlc_stop - stop the compute async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Stop the compute async dma queues.
+ */
+static void sdma_v6_0_rlc_stop(struct amdgpu_device *adev)
+{
+ /* XXX todo */
+}
+
+/**
+ * sdma_v6_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.
+ */
+static void sdma_v6_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
+{
+}
+
+/**
+ * sdma_v6_0_enable - stop the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ * @enable: enable/disable the DMA MEs.
+ *
+ * Halt or unhalt the async dma engines.
+ */
+static void sdma_v6_0_enable(struct amdgpu_device *adev, bool enable)
+{
+ u32 f32_cntl;
+ int i;
+
+ if (!enable) {
+ sdma_v6_0_gfx_stop(adev);
+ sdma_v6_0_rlc_stop(adev);
+ }
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ f32_cntl = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_F32_CNTL));
+ f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_F32_CNTL), f32_cntl);
+ }
+}
+
+/**
+ * sdma_v6_0_gfx_resume - setup and start the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Set up the gfx DMA ring buffers and enable them.
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v6_0_gfx_resume(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring;
+ u32 rb_cntl, ib_cntl;
+ u32 rb_bufsz;
+ u32 doorbell;
+ u32 doorbell_offset;
+ u32 temp;
+ u64 wptr_gpu_addr;
+ int i, r;
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ ring = &adev->sdma.instance[i].ring;
+
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
+
+ /* Set ring buffer size in dwords */
+ rb_bufsz = order_base_2(ring->ring_size / 4);
+ rb_cntl = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL));
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_SIZE, rb_bufsz);
+#ifdef __BIG_ENDIAN
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_SWAP_ENABLE, 1);
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL,
+ RPTR_WRITEBACK_SWAP_ENABLE, 1);
+#endif
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_PRIV, 1);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl);
+
+ /* Initialize the ring buffer's read and write pointers */
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR), 0);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_HI), 0);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR), 0);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_HI), 0);
+
+ /* setup the wptr shadow polling */
+ wptr_gpu_addr = ring->wptr_gpu_addr;
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_POLL_ADDR_LO),
+ lower_32_bits(wptr_gpu_addr));
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_POLL_ADDR_HI),
+ upper_32_bits(wptr_gpu_addr));
+
+ /* set the wb address whether it's enabled or not */
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_ADDR_HI),
+ upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_RPTR_ADDR_LO),
+ lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
+
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 1);
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, F32_WPTR_POLL_ENABLE, 1);
+
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE), ring->gpu_addr >> 8);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE_HI), ring->gpu_addr >> 40);
+
+ ring->wptr = 0;
+
+ /* before programing wptr to a less value, need set minor_ptr_update first */
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_MINOR_PTR_UPDATE), 1);
+
+ if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR), lower_32_bits(ring->wptr) << 2);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2);
+ }
+
+ doorbell = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL));
+ doorbell_offset = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL_OFFSET));
+
+ if (ring->use_doorbell) {
+ doorbell = REG_SET_FIELD(doorbell, SDMA0_QUEUE0_DOORBELL, ENABLE, 1);
+ doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_QUEUE0_DOORBELL_OFFSET,
+ OFFSET, ring->doorbell_index);
+ } else {
+ doorbell = REG_SET_FIELD(doorbell, SDMA0_QUEUE0_DOORBELL, ENABLE, 0);
+ }
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL), doorbell);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_DOORBELL_OFFSET), doorbell_offset);
+
+ if (i == 0)
+ adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
+ ring->doorbell_index,
+ adev->doorbell_index.sdma_doorbell_range * adev->sdma.num_instances);
+
+ if (amdgpu_sriov_vf(adev))
+ sdma_v6_0_ring_set_wptr(ring);
+
+ /* set minor_ptr_update to 0 after wptr programed */
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_MINOR_PTR_UPDATE), 0);
+
+ /* Set up RESP_MODE to non-copy addresses */
+ temp = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UTCL1_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
+ temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UTCL1_CNTL), temp);
+
+ /* program default cache read and write policy */
+ temp = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UTCL1_PAGE));
+ /* clean read policy and write policy bits */
+ temp &= 0xFF0FFF;
+ temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) |
+ (CACHE_WRITE_POLICY_L2__DEFAULT << 14) |
+ SDMA0_UTCL1_PAGE__LLC_NOALLOC_MASK);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UTCL1_PAGE), temp);
+
+ if (!amdgpu_sriov_vf(adev)) {
+ /* unhalt engine */
+ temp = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_F32_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
+ temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, TH1_RESET, 0);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_F32_CNTL), temp);
+ }
+
+ /* enable DMA RB */
+ rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RB_ENABLE, 1);
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_CNTL), rb_cntl);
+
+ ib_cntl = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL));
+ ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_ENABLE, 1);
+#ifdef __BIG_ENDIAN
+ ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_QUEUE0_IB_CNTL, IB_SWAP_ENABLE, 1);
+#endif
+ /* enable DMA IBs */
+ WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_IB_CNTL), ib_cntl);
+
+ ring->sched.ready = true;
+
+ if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
+ sdma_v6_0_ctx_switch_enable(adev, true);
+ sdma_v6_0_enable(adev, true);
+ }
+
+ r = amdgpu_ring_test_helper(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_v6_0_rlc_resume - setup and start the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Set up the compute DMA queues and enable them.
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v6_0_rlc_resume(struct amdgpu_device *adev)
+{
+ return 0;
+}
+
+/**
+ * sdma_v6_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_v6_0_load_microcode(struct amdgpu_device *adev)
+{
+ const struct sdma_firmware_header_v2_0 *hdr;
+ const __le32 *fw_data;
+ u32 fw_size;
+ int i, j;
+ bool use_broadcast;
+
+ /* halt the MEs */
+ sdma_v6_0_enable(adev, false);
+
+ if (!adev->sdma.instance[0].fw)
+ return -EINVAL;
+
+ /* use broadcast mode to load SDMA microcode by default */
+ use_broadcast = true;
+
+ if (use_broadcast) {
+ dev_info(adev->dev, "Use broadcast method to load SDMA firmware\n");
+ /* load Control Thread microcode */
+ hdr = (const struct sdma_firmware_header_v2_0 *)adev->sdma.instance[0].fw->data;
+ amdgpu_ucode_print_sdma_hdr(&hdr->header);
+ fw_size = le32_to_cpu(hdr->ctx_jt_offset + hdr->ctx_jt_size) / 4;
+
+ fw_data = (const __le32 *)
+ (adev->sdma.instance[0].fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+
+ WREG32(sdma_v6_0_get_reg_offset(adev, 0, regSDMA0_BROADCAST_UCODE_ADDR), 0);
+
+ for (j = 0; j < fw_size; j++) {
+ if (amdgpu_emu_mode == 1 && j % 500 == 0)
+ msleep(1);
+ WREG32(sdma_v6_0_get_reg_offset(adev, 0, regSDMA0_BROADCAST_UCODE_DATA), le32_to_cpup(fw_data++));
+ }
+
+ /* load Context Switch microcode */
+ fw_size = le32_to_cpu(hdr->ctl_jt_offset + hdr->ctl_jt_size) / 4;
+
+ fw_data = (const __le32 *)
+ (adev->sdma.instance[0].fw->data +
+ le32_to_cpu(hdr->ctl_ucode_offset));
+
+ WREG32(sdma_v6_0_get_reg_offset(adev, 0, regSDMA0_BROADCAST_UCODE_ADDR), 0x8000);
+
+ for (j = 0; j < fw_size; j++) {
+ if (amdgpu_emu_mode == 1 && j % 500 == 0)
+ msleep(1);
+ WREG32(sdma_v6_0_get_reg_offset(adev, 0, regSDMA0_BROADCAST_UCODE_DATA), le32_to_cpup(fw_data++));
+ }
+ } else {
+ dev_info(adev->dev, "Use legacy method to load SDMA firmware\n");
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ /* load Control Thread microcode */
+ hdr = (const struct sdma_firmware_header_v2_0 *)adev->sdma.instance[0].fw->data;
+ amdgpu_ucode_print_sdma_hdr(&hdr->header);
+ fw_size = le32_to_cpu(hdr->ctx_jt_offset + hdr->ctx_jt_size) / 4;
+
+ fw_data = (const __le32 *)
+ (adev->sdma.instance[0].fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+
+ WREG32(sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UCODE_ADDR), 0);
+
+ for (j = 0; j < fw_size; j++) {
+ if (amdgpu_emu_mode == 1 && j % 500 == 0)
+ msleep(1);
+ WREG32(sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
+ }
+
+ WREG32(sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UCODE_ADDR), adev->sdma.instance[0].fw_version);
+
+ /* load Context Switch microcode */
+ fw_size = le32_to_cpu(hdr->ctl_jt_offset + hdr->ctl_jt_size) / 4;
+
+ fw_data = (const __le32 *)
+ (adev->sdma.instance[0].fw->data +
+ le32_to_cpu(hdr->ctl_ucode_offset));
+
+ WREG32(sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UCODE_ADDR), 0x8000);
+
+ for (j = 0; j < fw_size; j++) {
+ if (amdgpu_emu_mode == 1 && j % 500 == 0)
+ msleep(1);
+ WREG32(sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
+ }
+
+ WREG32(sdma_v6_0_get_reg_offset(adev, i, regSDMA0_UCODE_ADDR), adev->sdma.instance[0].fw_version);
+ }
+ }
+
+ return 0;
+}
+
+static int sdma_v6_0_soft_reset(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ u32 grbm_soft_reset;
+ u32 tmp;
+ int i;
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ grbm_soft_reset = REG_SET_FIELD(0,
+ GRBM_SOFT_RESET, SOFT_RESET_SDMA0,
+ 1);
+ grbm_soft_reset <<= i;
+
+ tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET);
+ tmp |= grbm_soft_reset;
+ DRM_DEBUG("GRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32_SOC15(GC, 0, regGRBM_SOFT_RESET, tmp);
+ tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~grbm_soft_reset;
+ WREG32_SOC15(GC, 0, regGRBM_SOFT_RESET, tmp);
+ tmp = RREG32_SOC15(GC, 0, regGRBM_SOFT_RESET);
+
+ udelay(50);
+ }
+
+ return 0;
+}
+
+/**
+ * sdma_v6_0_start - setup and start the async dma engines
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Set up the DMA engines and enable them.
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v6_0_start(struct amdgpu_device *adev)
+{
+ int r = 0;
+
+ if (amdgpu_sriov_vf(adev)) {
+ sdma_v6_0_ctx_switch_enable(adev, false);
+ sdma_v6_0_enable(adev, false);
+
+ /* set RB registers */
+ r = sdma_v6_0_gfx_resume(adev);
+ return r;
+ }
+
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
+ r = sdma_v6_0_load_microcode(adev);
+ if (r)
+ return r;
+
+ /* The value of regSDMA_F32_CNTL is invalid the moment after loading fw */
+ if (amdgpu_emu_mode == 1)
+ msleep(1000);
+ }
+
+ sdma_v6_0_soft_reset(adev);
+ /* unhalt the MEs */
+ sdma_v6_0_enable(adev, true);
+ /* enable sdma ring preemption */
+ sdma_v6_0_ctx_switch_enable(adev, true);
+
+ /* start the gfx rings and rlc compute queues */
+ r = sdma_v6_0_gfx_resume(adev);
+ if (r)
+ return r;
+ r = sdma_v6_0_rlc_resume(adev);
+
+ return r;
+}
+
+static int sdma_v6_0_mqd_init(struct amdgpu_device *adev, void *mqd,
+ struct amdgpu_mqd_prop *prop)
+{
+ struct v11_sdma_mqd *m = mqd;
+ uint64_t wb_gpu_addr;
+
+ m->sdmax_rlcx_rb_cntl =
+ order_base_2(prop->queue_size / 4) << SDMA0_QUEUE0_RB_CNTL__RB_SIZE__SHIFT |
+ 1 << SDMA0_QUEUE0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
+ 4 << SDMA0_QUEUE0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT;
+
+ m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
+ m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
+
+ wb_gpu_addr = prop->wptr_gpu_addr;
+ m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
+ m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
+
+ wb_gpu_addr = prop->rptr_gpu_addr;
+ m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
+ m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
+
+ m->sdmax_rlcx_ib_cntl = RREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, 0,
+ regSDMA0_QUEUE0_IB_CNTL));
+
+ m->sdmax_rlcx_doorbell_offset =
+ prop->doorbell_index << SDMA0_QUEUE0_DOORBELL_OFFSET__OFFSET__SHIFT;
+
+ m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_QUEUE0_DOORBELL, ENABLE, 1);
+
+ m->sdmax_rlcx_skip_cntl = 0;
+ m->sdmax_rlcx_context_status = 0;
+ m->sdmax_rlcx_doorbell_log = 0;
+
+ m->sdmax_rlcx_rb_aql_cntl = regSDMA0_QUEUE0_RB_AQL_CNTL_DEFAULT;
+ m->sdmax_rlcx_dummy_reg = regSDMA0_QUEUE0_DUMMY_REG_DEFAULT;
+
+ return 0;
+}
+
+static void sdma_v6_0_set_mqd_funcs(struct amdgpu_device *adev)
+{
+ adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v11_sdma_mqd);
+ adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v6_0_mqd_init;
+}
+
+/**
+ * sdma_v6_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.
+ * Returns 0 for success, error for failure.
+ */
+static int sdma_v6_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;
+ volatile uint32_t *cpu_ptr = NULL;
+
+ tmp = 0xCAFEDEAD;
+
+ if (ring->is_mes_queue) {
+ uint32_t offset = 0;
+ offset = amdgpu_mes_ctx_get_offs(ring,
+ AMDGPU_MES_CTX_PADDING_OFFS);
+ gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+ cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
+ *cpu_ptr = tmp;
+ } else {
+ 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);
+ 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_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) |
+ SDMA_PKT_COPY_LINEAR_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++) {
+ if (ring->is_mes_queue)
+ tmp = le32_to_cpu(*cpu_ptr);
+ else
+ tmp = le32_to_cpu(adev->wb.wb[index]);
+ if (tmp == 0xDEADBEEF)
+ break;
+ if (amdgpu_emu_mode == 1)
+ msleep(1);
+ else
+ udelay(1);
+ }
+
+ if (i >= adev->usec_timeout)
+ r = -ETIMEDOUT;
+
+ if (!ring->is_mes_queue)
+ amdgpu_device_wb_free(adev, index);
+
+ return r;
+}
+
+/**
+ * sdma_v6_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.
+ * Returns 0 on success, error on failure.
+ */
+static int sdma_v6_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;
+ volatile uint32_t *cpu_ptr = NULL;
+
+ tmp = 0xCAFEDEAD;
+ memset(&ib, 0, sizeof(ib));
+
+ if (ring->is_mes_queue) {
+ uint32_t offset = 0;
+ offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
+ ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+ ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
+
+ offset = amdgpu_mes_ctx_get_offs(ring,
+ AMDGPU_MES_CTX_PADDING_OFFS);
+ gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+ cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
+ *cpu_ptr = tmp;
+ } else {
+ 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);
+ adev->wb.wb[index] = cpu_to_le32(tmp);
+
+ r = amdgpu_ib_get(adev, NULL, 256, AMDGPU_IB_POOL_DIRECT, &ib);
+ if (r) {
+ DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
+ goto err0;
+ }
+ }
+
+ ib.ptr[0] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) |
+ SDMA_PKT_COPY_LINEAR_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;
+ }
+
+ if (ring->is_mes_queue)
+ tmp = le32_to_cpu(*cpu_ptr);
+ else
+ tmp = le32_to_cpu(adev->wb.wb[index]);
+
+ if (tmp == 0xDEADBEEF)
+ r = 0;
+ else
+ r = -EINVAL;
+
+err1:
+ amdgpu_ib_free(adev, &ib, NULL);
+ dma_fence_put(f);
+err0:
+ if (!ring->is_mes_queue)
+ amdgpu_device_wb_free(adev, index);
+ return r;
+}
+
+
+/**
+ * sdma_v6_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.
+ */
+static void sdma_v6_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_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) |
+ SDMA_PKT_COPY_LINEAR_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_v6_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.
+ */
+static void sdma_v6_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_COPY_LINEAR_HEADER_OP(SDMA_OP_WRITE) |
+ SDMA_PKT_COPY_LINEAR_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_v6_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.
+ */
+static void sdma_v6_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_COPY_LINEAR_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_v6_0_ring_pad_ib - pad the IB
+ * @ib: indirect buffer to fill with padding
+ *
+ * Pad the IB with NOPs to a boundary multiple of 8.
+ */
+static void sdma_v6_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 = (-ib->length_dw) & 0x7;
+ for (i = 0; i < pad_count; i++)
+ if (sdma && sdma->burst_nop && (i == 0))
+ ib->ptr[ib->length_dw++] =
+ SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_NOP) |
+ SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
+ else
+ ib->ptr[ib->length_dw++] =
+ SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_NOP);
+}
+
+/**
+ * sdma_v6_0_ring_emit_pipeline_sync - sync the pipeline
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Make sure all previous operations are completed (CIK).
+ */
+static void sdma_v6_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_COPY_LINEAR_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, 0xffffffff); /* 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_v6_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.
+ */
+static void sdma_v6_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_v6_0_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_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_v6_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t val, uint32_t mask)
+{
+ amdgpu_ring_write(ring, SDMA_PKT_COPY_LINEAR_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 void sdma_v6_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
+ uint32_t reg0, uint32_t reg1,
+ uint32_t ref, uint32_t mask)
+{
+ amdgpu_ring_emit_wreg(ring, reg0, ref);
+ /* wait for a cycle to reset vm_inv_eng*_ack */
+ amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0);
+ amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);
+}
+
+static int sdma_v6_0_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ sdma_v6_0_set_ring_funcs(adev);
+ sdma_v6_0_set_buffer_funcs(adev);
+ sdma_v6_0_set_vm_pte_funcs(adev);
+ sdma_v6_0_set_irq_funcs(adev);
+ sdma_v6_0_set_mqd_funcs(adev);
+
+ return 0;
+}
+
+static int sdma_v6_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, SOC21_IH_CLIENTID_GFX,
+ GFX_11_0_0__SRCID__SDMA_TRAP,
+ &adev->sdma.trap_irq);
+ if (r)
+ return r;
+
+ r = sdma_v6_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;
+ ring->me = i;
+
+ DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
+ ring->use_doorbell?"true":"false");
+
+ ring->doorbell_index =
+ (adev->doorbell_index.sdma_engine[i] << 1); // get DWORD offset
+
+ sprintf(ring->name, "sdma%d", i);
+ r = amdgpu_ring_init(adev, ring, 1024,
+ &adev->sdma.trap_irq,
+ AMDGPU_SDMA_IRQ_INSTANCE0 + i,
+ AMDGPU_RING_PRIO_DEFAULT, NULL);
+ if (r)
+ return r;
+ }
+
+ return r;
+}
+
+static int sdma_v6_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);
+
+ sdma_v6_0_destroy_inst_ctx(adev);
+
+ return 0;
+}
+
+static int sdma_v6_0_hw_init(void *handle)
+{
+ int r;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ r = sdma_v6_0_start(adev);
+
+ return r;
+}
+
+static int sdma_v6_0_hw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
+ sdma_v6_0_ctx_switch_enable(adev, false);
+ sdma_v6_0_enable(adev, false);
+
+ return 0;
+}
+
+static int sdma_v6_0_suspend(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ return sdma_v6_0_hw_fini(adev);
+}
+
+static int sdma_v6_0_resume(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ return sdma_v6_0_hw_init(adev);
+}
+
+static bool sdma_v6_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_v6_0_get_reg_offset(adev, i, regSDMA0_STATUS_REG));
+
+ if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
+ return false;
+ }
+
+ return true;
+}
+
+static int sdma_v6_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_v6_0_get_reg_offset(adev, 0, regSDMA0_STATUS_REG));
+ sdma1 = RREG32(sdma_v6_0_get_reg_offset(adev, 1, regSDMA0_STATUS_REG));
+
+ if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
+ return 0;
+ udelay(1);
+ }
+ return -ETIMEDOUT;
+}
+
+static int sdma_v6_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);
+ sdma_gfx_preempt =
+ sdma_v6_0_get_reg_offset(adev, index, regSDMA0_QUEUE0_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_v6_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;
+ 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_v6_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 = sdma_v6_0_get_reg_offset(adev, type, regSDMA0_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_v6_0_process_trap_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ int instances, queue;
+ uint32_t mes_queue_id = entry->src_data[0];
+
+ DRM_DEBUG("IH: SDMA trap\n");
+
+ if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) {
+ struct amdgpu_mes_queue *queue;
+
+ mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK;
+
+ spin_lock(&adev->mes.queue_id_lock);
+ queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id);
+ if (queue) {
+ DRM_DEBUG("process smda queue id = %d\n", mes_queue_id);
+ amdgpu_fence_process(queue->ring);
+ }
+ spin_unlock(&adev->mes.queue_id_lock);
+ return 0;
+ }
+
+ queue = entry->ring_id & 0xf;
+ instances = (entry->ring_id & 0xf0) >> 4;
+ if (instances > 1) {
+ DRM_ERROR("IH: wrong ring_ID detected, as wrong sdma instance\n");
+ return -EINVAL;
+ }
+
+ switch (entry->client_id) {
+ case SOC21_IH_CLIENTID_GFX:
+ switch (queue) {
+ case 0:
+ amdgpu_fence_process(&adev->sdma.instance[instances].ring);
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ return 0;
+}
+
+static int sdma_v6_0_process_illegal_inst_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ return 0;
+}
+
+static int sdma_v6_0_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
+static int sdma_v6_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+static void sdma_v6_0_get_clockgating_state(void *handle, u64 *flags)
+{
+}
+
+const struct amd_ip_funcs sdma_v6_0_ip_funcs = {
+ .name = "sdma_v6_0",
+ .early_init = sdma_v6_0_early_init,
+ .late_init = NULL,
+ .sw_init = sdma_v6_0_sw_init,
+ .sw_fini = sdma_v6_0_sw_fini,
+ .hw_init = sdma_v6_0_hw_init,
+ .hw_fini = sdma_v6_0_hw_fini,
+ .suspend = sdma_v6_0_suspend,
+ .resume = sdma_v6_0_resume,
+ .is_idle = sdma_v6_0_is_idle,
+ .wait_for_idle = sdma_v6_0_wait_for_idle,
+ .soft_reset = sdma_v6_0_soft_reset,
+ .set_clockgating_state = sdma_v6_0_set_clockgating_state,
+ .set_powergating_state = sdma_v6_0_set_powergating_state,
+ .get_clockgating_state = sdma_v6_0_get_clockgating_state,
+};
+
+static const struct amdgpu_ring_funcs sdma_v6_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_0,
+ .get_rptr = sdma_v6_0_ring_get_rptr,
+ .get_wptr = sdma_v6_0_ring_get_wptr,
+ .set_wptr = sdma_v6_0_ring_set_wptr,
+ .emit_frame_size =
+ 5 + /* sdma_v6_0_ring_init_cond_exec */
+ 6 + /* sdma_v6_0_ring_emit_hdp_flush */
+ 6 + /* sdma_v6_0_ring_emit_pipeline_sync */
+ /* sdma_v6_0_ring_emit_vm_flush */
+ SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
+ SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
+ 10 + 10 + 10, /* sdma_v6_0_ring_emit_fence x3 for user fence, vm fence */
+ .emit_ib_size = 5 + 7 + 6, /* sdma_v6_0_ring_emit_ib */
+ .emit_ib = sdma_v6_0_ring_emit_ib,
+ .emit_mem_sync = sdma_v6_0_ring_emit_mem_sync,
+ .emit_fence = sdma_v6_0_ring_emit_fence,
+ .emit_pipeline_sync = sdma_v6_0_ring_emit_pipeline_sync,
+ .emit_vm_flush = sdma_v6_0_ring_emit_vm_flush,
+ .emit_hdp_flush = sdma_v6_0_ring_emit_hdp_flush,
+ .test_ring = sdma_v6_0_ring_test_ring,
+ .test_ib = sdma_v6_0_ring_test_ib,
+ .insert_nop = sdma_v6_0_ring_insert_nop,
+ .pad_ib = sdma_v6_0_ring_pad_ib,
+ .emit_wreg = sdma_v6_0_ring_emit_wreg,
+ .emit_reg_wait = sdma_v6_0_ring_emit_reg_wait,
+ .emit_reg_write_reg_wait = sdma_v6_0_ring_emit_reg_write_reg_wait,
+ .init_cond_exec = sdma_v6_0_ring_init_cond_exec,
+ .patch_cond_exec = sdma_v6_0_ring_patch_cond_exec,
+ .preempt_ib = sdma_v6_0_ring_preempt_ib,
+};
+
+static void sdma_v6_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_v6_0_ring_funcs;
+ adev->sdma.instance[i].ring.me = i;
+ }
+}
+
+static const struct amdgpu_irq_src_funcs sdma_v6_0_trap_irq_funcs = {
+ .set = sdma_v6_0_set_trap_irq_state,
+ .process = sdma_v6_0_process_trap_irq,
+};
+
+static const struct amdgpu_irq_src_funcs sdma_v6_0_illegal_inst_irq_funcs = {
+ .process = sdma_v6_0_process_illegal_inst_irq,
+};
+
+static void sdma_v6_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 +
+ adev->sdma.num_instances;
+ adev->sdma.trap_irq.funcs = &sdma_v6_0_trap_irq_funcs;
+ adev->sdma.illegal_inst_irq.funcs = &sdma_v6_0_illegal_inst_irq_funcs;
+}
+
+/**
+ * sdma_v6_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.
+ * Used by the amdgpu ttm implementation to move pages if
+ * registered as the asic copy callback.
+ */
+static void sdma_v6_0_emit_copy_buffer(struct amdgpu_ib *ib,
+ uint64_t src_offset,
+ uint64_t dst_offset,
+ uint32_t byte_count,
+ bool tmz)
+{
+ ib->ptr[ib->length_dw++] = SDMA_PKT_COPY_LINEAR_HEADER_OP(SDMA_OP_COPY) |
+ SDMA_PKT_COPY_LINEAR_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
+ SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
+ 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_v6_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.
+ */
+static void sdma_v6_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_COPY_LINEAR_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_v6_0_buffer_funcs = {
+ .copy_max_bytes = 0x400000,
+ .copy_num_dw = 7,
+ .emit_copy_buffer = sdma_v6_0_emit_copy_buffer,
+
+ .fill_max_bytes = 0x400000,
+ .fill_num_dw = 5,
+ .emit_fill_buffer = sdma_v6_0_emit_fill_buffer,
+};
+
+static void sdma_v6_0_set_buffer_funcs(struct amdgpu_device *adev)
+{
+ adev->mman.buffer_funcs = &sdma_v6_0_buffer_funcs;
+ adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
+}
+
+static const struct amdgpu_vm_pte_funcs sdma_v6_0_vm_pte_funcs = {
+ .copy_pte_num_dw = 7,
+ .copy_pte = sdma_v6_0_vm_copy_pte,
+ .write_pte = sdma_v6_0_vm_write_pte,
+ .set_pte_pde = sdma_v6_0_vm_set_pte_pde,
+};
+
+static void sdma_v6_0_set_vm_pte_funcs(struct amdgpu_device *adev)
+{
+ unsigned i;
+
+ adev->vm_manager.vm_pte_funcs = &sdma_v6_0_vm_pte_funcs;
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ adev->vm_manager.vm_pte_scheds[i] =
+ &adev->sdma.instance[i].ring.sched;
+ }
+ adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
+}
+
+const struct amdgpu_ip_block_version sdma_v6_0_ip_block = {
+ .type = AMD_IP_BLOCK_TYPE_SDMA,
+ .major = 6,
+ .minor = 0,
+ .rev = 0,
+ .funcs = &sdma_v6_0_ip_funcs,
+};
projects / platform / kernel / linux-rpi.git / commitdiff