diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 1282 |
1 files changed, 1282 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c new file mode 100644 index 000000000..c52d246a1 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -0,0 +1,1282 @@ +/* + * Copyright 2014 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. + * + * Authors: Alex Deucher + */ + +#include <linux/delay.h> +#include <linux/firmware.h> +#include <linux/module.h> + +#include "amdgpu.h" +#include "amdgpu_ucode.h" +#include "amdgpu_trace.h" +#include "vi.h" +#include "vid.h" + +#include "oss/oss_2_4_d.h" +#include "oss/oss_2_4_sh_mask.h" + +#include "gmc/gmc_7_1_d.h" +#include "gmc/gmc_7_1_sh_mask.h" + +#include "gca/gfx_8_0_d.h" +#include "gca/gfx_8_0_enum.h" +#include "gca/gfx_8_0_sh_mask.h" + +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" + +#include "iceland_sdma_pkt_open.h" + +#include "ivsrcid/ivsrcid_vislands30.h" + +static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev); +static void sdma_v2_4_set_buffer_funcs(struct amdgpu_device *adev); +static void sdma_v2_4_set_vm_pte_funcs(struct amdgpu_device *adev); +static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev); + +MODULE_FIRMWARE("amdgpu/topaz_sdma.bin"); +MODULE_FIRMWARE("amdgpu/topaz_sdma1.bin"); + +static const u32 sdma_offsets[SDMA_MAX_INSTANCE] = +{ + SDMA0_REGISTER_OFFSET, + SDMA1_REGISTER_OFFSET +}; + +static const u32 golden_settings_iceland_a11[] = +{ + mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, + mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, + mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, + mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, +}; + +static const u32 iceland_mgcg_cgcg_init[] = +{ + mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, + mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100 +}; + +/* + * sDMA - System DMA + * Starting with CIK, the GPU has new asynchronous + * DMA engines. These engines are used for compute + * and gfx. There are two DMA engines (SDMA0, SDMA1) + * and each one supports 1 ring buffer used for gfx + * and 2 queues used for compute. + * + * The programming model is very similar to the CP + * (ring buffer, IBs, etc.), but sDMA has it's own + * packet format that is different from the PM4 format + * used by the CP. sDMA supports copying data, writing + * embedded data, solid fills, and a number of other + * things. It also has support for tiling/detiling of + * buffers. + */ + +static void sdma_v2_4_init_golden_registers(struct amdgpu_device *adev) +{ + switch (adev->asic_type) { + case CHIP_TOPAZ: + amdgpu_device_program_register_sequence(adev, + iceland_mgcg_cgcg_init, + ARRAY_SIZE(iceland_mgcg_cgcg_init)); + amdgpu_device_program_register_sequence(adev, + golden_settings_iceland_a11, + ARRAY_SIZE(golden_settings_iceland_a11)); + break; + default: + break; + } +} + +static void sdma_v2_4_free_microcode(struct amdgpu_device *adev) +{ + int i; + for (i = 0; i < adev->sdma.num_instances; i++) { + release_firmware(adev->sdma.instance[i].fw); + adev->sdma.instance[i].fw = NULL; + } +} + +/** + * sdma_v2_4_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. + */ +static int sdma_v2_4_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_TOPAZ: + chip_name = "topaz"; + 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; + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_SMU) { + 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) { + pr_err("sdma_v2_4: Failed to load firmware \"%s\"\n", fw_name); + for (i = 0; i < adev->sdma.num_instances; i++) { + release_firmware(adev->sdma.instance[i].fw); + adev->sdma.instance[i].fw = NULL; + } + } + return err; +} + +/** + * sdma_v2_4_ring_get_rptr - get the current read pointer + * + * @ring: amdgpu ring pointer + * + * Get the current rptr from the hardware (VI+). + */ +static uint64_t sdma_v2_4_ring_get_rptr(struct amdgpu_ring *ring) +{ + /* XXX check if swapping is necessary on BE */ + return *ring->rptr_cpu_addr >> 2; +} + +/** + * sdma_v2_4_ring_get_wptr - get the current write pointer + * + * @ring: amdgpu ring pointer + * + * Get the current wptr from the hardware (VI+). + */ +static uint64_t sdma_v2_4_ring_get_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + u32 wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me]) >> 2; + + return wptr; +} + +/** + * sdma_v2_4_ring_set_wptr - commit the write pointer + * + * @ring: amdgpu ring pointer + * + * Write the wptr back to the hardware (VI+). + */ +static void sdma_v2_4_ring_set_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me], ring->wptr << 2); +} + +static void sdma_v2_4_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_v2_4_ring_emit_ib - Schedule an IB on the DMA engine + * + * @ring: amdgpu ring pointer + * @job: job to retrieve vmid from + * @ib: IB object to schedule + * @flags: unused + * + * Schedule an IB in the DMA ring (VI). + */ +static void sdma_v2_4_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); + + /* IB packet must end on a 8 DW boundary */ + sdma_v2_4_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); + + 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, 0); + amdgpu_ring_write(ring, 0); + +} + +/** + * sdma_v2_4_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_v2_4_ring_emit_hdp_flush(struct amdgpu_ring *ring) +{ + u32 ref_and_mask = 0; + + if (ring->me == 0) + ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA0, 1); + else + ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA1, 1); + + 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, mmGPU_HDP_FLUSH_DONE << 2); + amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ << 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_v2_4_ring_emit_fence - emit a fence on the DMA ring + * + * @ring: amdgpu ring pointer + * @addr: address + * @seq: sequence number + * @flags: fence related flags + * + * Add a DMA fence packet to the ring to write + * the fence seq number and DMA trap packet to generate + * an interrupt if needed (VI). + */ +static void sdma_v2_4_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, + unsigned flags) +{ + bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; + /* write the fence */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); + 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)); + amdgpu_ring_write(ring, lower_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(seq)); + } + + /* generate an interrupt */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); + amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); +} + +/** + * sdma_v2_4_gfx_stop - stop the gfx async dma engines + * + * @adev: amdgpu_device pointer + * + * Stop the gfx async dma ring buffers (VI). + */ +static void sdma_v2_4_gfx_stop(struct amdgpu_device *adev) +{ + u32 rb_cntl, ib_cntl; + int i; + + amdgpu_sdma_unset_buffer_funcs_helper(adev); + + for (i = 0; i < adev->sdma.num_instances; i++) { + rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); + WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); + ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); + ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); + WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); + } +} + +/** + * sdma_v2_4_rlc_stop - stop the compute async dma engines + * + * @adev: amdgpu_device pointer + * + * Stop the compute async dma queues (VI). + */ +static void sdma_v2_4_rlc_stop(struct amdgpu_device *adev) +{ + /* XXX todo */ +} + +/** + * sdma_v2_4_enable - stop the async dma engines + * + * @adev: amdgpu_device pointer + * @enable: enable/disable the DMA MEs. + * + * Halt or unhalt the async dma engines (VI). + */ +static void sdma_v2_4_enable(struct amdgpu_device *adev, bool enable) +{ + u32 f32_cntl; + int i; + + if (!enable) { + sdma_v2_4_gfx_stop(adev); + sdma_v2_4_rlc_stop(adev); + } + + for (i = 0; i < adev->sdma.num_instances; i++) { + f32_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]); + if (enable) + f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 0); + else + f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1); + WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], f32_cntl); + } +} + +/** + * sdma_v2_4_gfx_resume - setup and start the async dma engines + * + * @adev: amdgpu_device pointer + * + * Set up the gfx DMA ring buffers and enable them (VI). + * Returns 0 for success, error for failure. + */ +static int sdma_v2_4_gfx_resume(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring; + u32 rb_cntl, ib_cntl; + u32 rb_bufsz; + int i, j, r; + + for (i = 0; i < adev->sdma.num_instances; i++) { + ring = &adev->sdma.instance[i].ring; + + mutex_lock(&adev->srbm_mutex); + for (j = 0; j < 16; j++) { + vi_srbm_select(adev, 0, 0, 0, j); + /* SDMA GFX */ + WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0); + WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0); + } + vi_srbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + + WREG32(mmSDMA0_TILING_CONFIG + sdma_offsets[i], + adev->gfx.config.gb_addr_config & 0x70); + + WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0); + + /* Set ring buffer size in dwords */ + rb_bufsz = order_base_2(ring->ring_size / 4); + rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); + 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(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0); + WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0); + WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0); + WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0); + + /* set the wb address whether it's enabled or not */ + WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i], + upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); + WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i], + lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); + + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); + + WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8); + WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40); + + ring->wptr = 0; + WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], ring->wptr << 2); + + /* enable DMA RB */ + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); + WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); + + ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); + 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(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); + + ring->sched.ready = true; + } + + sdma_v2_4_enable(adev, true); + for (i = 0; i < adev->sdma.num_instances; i++) { + ring = &adev->sdma.instance[i].ring; + r = amdgpu_ring_test_helper(ring); + if (r) + return r; + + if (adev->mman.buffer_funcs_ring == ring) + amdgpu_ttm_set_buffer_funcs_status(adev, true); + } + + return 0; +} + +/** + * sdma_v2_4_rlc_resume - setup and start the async dma engines + * + * @adev: amdgpu_device pointer + * + * Set up the compute DMA queues and enable them (VI). + * Returns 0 for success, error for failure. + */ +static int sdma_v2_4_rlc_resume(struct amdgpu_device *adev) +{ + /* XXX todo */ + return 0; +} + + +/** + * sdma_v2_4_start - setup and start the async dma engines + * + * @adev: amdgpu_device pointer + * + * Set up the DMA engines and enable them (VI). + * Returns 0 for success, error for failure. + */ +static int sdma_v2_4_start(struct amdgpu_device *adev) +{ + int r; + + /* halt the engine before programing */ + sdma_v2_4_enable(adev, false); + + /* start the gfx rings and rlc compute queues */ + r = sdma_v2_4_gfx_resume(adev); + if (r) + return r; + r = sdma_v2_4_rlc_resume(adev); + if (r) + return r; + + return 0; +} + +/** + * sdma_v2_4_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. (VI). + * Returns 0 for success, error for failure. + */ +static int sdma_v2_4_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) + 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) + goto error_free_wb; + + 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(1)); + 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; + udelay(1); + } + + if (i >= adev->usec_timeout) + r = -ETIMEDOUT; + +error_free_wb: + amdgpu_device_wb_free(adev, index); + return r; +} + +/** + * sdma_v2_4_ring_test_ib - test an IB on the DMA engine + * + * @ring: amdgpu_ring structure holding ring information + * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT + * + * Test a simple IB in the DMA ring (VI). + * Returns 0 on success, error on failure. + */ +static int sdma_v2_4_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; + u32 tmp = 0; + u64 gpu_addr; + long r; + + r = amdgpu_device_wb_get(adev, &index); + if (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, + AMDGPU_IB_POOL_DIRECT, &ib); + if (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(1); + ib.ptr[4] = 0xDEADBEEF; + ib.ptr[5] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); + ib.ptr[6] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); + ib.ptr[7] = SDMA_PKT_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) { + r = -ETIMEDOUT; + goto err1; + } else if (r < 0) { + goto err1; + } + 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: + amdgpu_device_wb_free(adev, index); + return r; +} + +/** + * sdma_v2_4_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 (CIK). + */ +static void sdma_v2_4_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; + 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_v2_4_vm_write_pte - update PTEs by writing them manually + * + * @ib: indirect buffer to fill with commands + * @pe: addr of the page entry + * @value: dst addr to write into pe + * @count: number of page entries to update + * @incr: increase next addr by incr bytes + * + * Update PTEs by writing them manually using sDMA (CIK). + */ +static void sdma_v2_4_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++] = pe; + ib->ptr[ib->length_dw++] = upper_32_bits(pe); + ib->ptr[ib->length_dw++] = ndw; + 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_v2_4_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 (CIK). + */ +static void sdma_v2_4_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_GEN_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; /* number of entries */ +} + +/** + * sdma_v2_4_ring_pad_ib - pad the IB to the required number of dw + * + * @ring: amdgpu_ring structure holding ring information + * @ib: indirect buffer to fill with padding + * + */ +static void sdma_v2_4_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) & 7; + 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_v2_4_ring_emit_pipeline_sync - sync the pipeline + * + * @ring: amdgpu_ring pointer + * + * Make sure all previous operations are completed (CIK). + */ +static void sdma_v2_4_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, 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_v2_4_ring_emit_vm_flush - cik vm flush using sDMA + * + * @ring: amdgpu_ring pointer + * @vmid: vmid number to use + * @pd_addr: address + * + * Update the page table base and flush the VM TLB + * using sDMA (VI). + */ +static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, + unsigned vmid, uint64_t pd_addr) +{ + amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); + + /* wait for flush */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | + SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | + SDMA_PKT_POLL_REGMEM_HEADER_FUNC(0)); /* always */ + amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, 0); /* reference */ + amdgpu_ring_write(ring, 0); /* mask */ + amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ +} + +static void sdma_v2_4_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 int sdma_v2_4_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->sdma.num_instances = SDMA_MAX_INSTANCE; + + sdma_v2_4_set_ring_funcs(adev); + sdma_v2_4_set_buffer_funcs(adev); + sdma_v2_4_set_vm_pte_funcs(adev); + sdma_v2_4_set_irq_funcs(adev); + + return 0; +} + +static int sdma_v2_4_sw_init(void *handle) +{ + struct amdgpu_ring *ring; + int r, i; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + /* SDMA trap event */ + r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_SDMA_TRAP, + &adev->sdma.trap_irq); + if (r) + return r; + + /* SDMA Privileged inst */ + r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 241, + &adev->sdma.illegal_inst_irq); + if (r) + return r; + + /* SDMA Privileged inst */ + r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_SDMA_SRBM_WRITE, + &adev->sdma.illegal_inst_irq); + if (r) + return r; + + r = sdma_v2_4_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 = false; + 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, + AMDGPU_RING_PRIO_DEFAULT, NULL); + if (r) + return r; + } + + return r; +} + +static int sdma_v2_4_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_v2_4_free_microcode(adev); + return 0; +} + +static int sdma_v2_4_hw_init(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + sdma_v2_4_init_golden_registers(adev); + + r = sdma_v2_4_start(adev); + if (r) + return r; + + return r; +} + +static int sdma_v2_4_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + sdma_v2_4_enable(adev, false); + + return 0; +} + +static int sdma_v2_4_suspend(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return sdma_v2_4_hw_fini(adev); +} + +static int sdma_v2_4_resume(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return sdma_v2_4_hw_init(adev); +} + +static bool sdma_v2_4_is_idle(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + u32 tmp = RREG32(mmSRBM_STATUS2); + + if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK | + SRBM_STATUS2__SDMA1_BUSY_MASK)) + return false; + + return true; +} + +static int sdma_v2_4_wait_for_idle(void *handle) +{ + unsigned i; + u32 tmp; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + for (i = 0; i < adev->usec_timeout; i++) { + tmp = RREG32(mmSRBM_STATUS2) & (SRBM_STATUS2__SDMA_BUSY_MASK | + SRBM_STATUS2__SDMA1_BUSY_MASK); + + if (!tmp) + return 0; + udelay(1); + } + return -ETIMEDOUT; +} + +static int sdma_v2_4_soft_reset(void *handle) +{ + u32 srbm_soft_reset = 0; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + u32 tmp = RREG32(mmSRBM_STATUS2); + + if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) { + /* sdma0 */ + tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 0); + WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); + srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; + } + if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) { + /* sdma1 */ + tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 0); + WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); + srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; + } + + if (srbm_soft_reset) { + tmp = RREG32(mmSRBM_SOFT_RESET); + tmp |= srbm_soft_reset; + dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); + WREG32(mmSRBM_SOFT_RESET, tmp); + tmp = RREG32(mmSRBM_SOFT_RESET); + + udelay(50); + + tmp &= ~srbm_soft_reset; + WREG32(mmSRBM_SOFT_RESET, tmp); + tmp = RREG32(mmSRBM_SOFT_RESET); + + /* Wait a little for things to settle down */ + udelay(50); + } + + return 0; +} + +static int sdma_v2_4_set_trap_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned type, + enum amdgpu_interrupt_state state) +{ + u32 sdma_cntl; + + switch (type) { + case AMDGPU_SDMA_IRQ_INSTANCE0: + switch (state) { + case AMDGPU_IRQ_STATE_DISABLE: + sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); + sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); + WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); + break; + case AMDGPU_IRQ_STATE_ENABLE: + sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); + sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); + WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); + break; + default: + break; + } + break; + case AMDGPU_SDMA_IRQ_INSTANCE1: + switch (state) { + case AMDGPU_IRQ_STATE_DISABLE: + sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); + sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); + WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); + break; + case AMDGPU_IRQ_STATE_ENABLE: + sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); + sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); + WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); + break; + default: + break; + } + break; + default: + break; + } + return 0; +} + +static int sdma_v2_4_process_trap_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + u8 instance_id, queue_id; + + instance_id = (entry->ring_id & 0x3) >> 0; + queue_id = (entry->ring_id & 0xc) >> 2; + DRM_DEBUG("IH: SDMA trap\n"); + switch (instance_id) { + case 0: + switch (queue_id) { + case 0: + amdgpu_fence_process(&adev->sdma.instance[0].ring); + break; + case 1: + /* XXX compute */ + break; + case 2: + /* XXX compute */ + break; + } + break; + case 1: + switch (queue_id) { + case 0: + amdgpu_fence_process(&adev->sdma.instance[1].ring); + break; + case 1: + /* XXX compute */ + break; + case 2: + /* XXX compute */ + break; + } + break; + } + return 0; +} + +static int sdma_v2_4_process_illegal_inst_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + u8 instance_id, queue_id; + + DRM_ERROR("Illegal instruction in SDMA command stream\n"); + instance_id = (entry->ring_id & 0x3) >> 0; + queue_id = (entry->ring_id & 0xc) >> 2; + + if (instance_id <= 1 && queue_id == 0) + drm_sched_fault(&adev->sdma.instance[instance_id].ring.sched); + return 0; +} + +static int sdma_v2_4_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + /* XXX handled via the smc on VI */ + return 0; +} + +static int sdma_v2_4_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +static const struct amd_ip_funcs sdma_v2_4_ip_funcs = { + .name = "sdma_v2_4", + .early_init = sdma_v2_4_early_init, + .late_init = NULL, + .sw_init = sdma_v2_4_sw_init, + .sw_fini = sdma_v2_4_sw_fini, + .hw_init = sdma_v2_4_hw_init, + .hw_fini = sdma_v2_4_hw_fini, + .suspend = sdma_v2_4_suspend, + .resume = sdma_v2_4_resume, + .is_idle = sdma_v2_4_is_idle, + .wait_for_idle = sdma_v2_4_wait_for_idle, + .soft_reset = sdma_v2_4_soft_reset, + .set_clockgating_state = sdma_v2_4_set_clockgating_state, + .set_powergating_state = sdma_v2_4_set_powergating_state, +}; + +static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { + .type = AMDGPU_RING_TYPE_SDMA, + .align_mask = 0xf, + .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), + .support_64bit_ptrs = false, + .secure_submission_supported = true, + .get_rptr = sdma_v2_4_ring_get_rptr, + .get_wptr = sdma_v2_4_ring_get_wptr, + .set_wptr = sdma_v2_4_ring_set_wptr, + .emit_frame_size = + 6 + /* sdma_v2_4_ring_emit_hdp_flush */ + 3 + /* hdp invalidate */ + 6 + /* sdma_v2_4_ring_emit_pipeline_sync */ + VI_FLUSH_GPU_TLB_NUM_WREG * 3 + 6 + /* sdma_v2_4_ring_emit_vm_flush */ + 10 + 10 + 10, /* sdma_v2_4_ring_emit_fence x3 for user fence, vm fence */ + .emit_ib_size = 7 + 6, /* sdma_v2_4_ring_emit_ib */ + .emit_ib = sdma_v2_4_ring_emit_ib, + .emit_fence = sdma_v2_4_ring_emit_fence, + .emit_pipeline_sync = sdma_v2_4_ring_emit_pipeline_sync, + .emit_vm_flush = sdma_v2_4_ring_emit_vm_flush, + .emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush, + .test_ring = sdma_v2_4_ring_test_ring, + .test_ib = sdma_v2_4_ring_test_ib, + .insert_nop = sdma_v2_4_ring_insert_nop, + .pad_ib = sdma_v2_4_ring_pad_ib, + .emit_wreg = sdma_v2_4_ring_emit_wreg, +}; + +static void sdma_v2_4_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_v2_4_ring_funcs; + adev->sdma.instance[i].ring.me = i; + } +} + +static const struct amdgpu_irq_src_funcs sdma_v2_4_trap_irq_funcs = { + .set = sdma_v2_4_set_trap_irq_state, + .process = sdma_v2_4_process_trap_irq, +}; + +static const struct amdgpu_irq_src_funcs sdma_v2_4_illegal_inst_irq_funcs = { + .process = sdma_v2_4_process_illegal_inst_irq, +}; + +static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev) +{ + adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; + adev->sdma.trap_irq.funcs = &sdma_v2_4_trap_irq_funcs; + adev->sdma.illegal_inst_irq.funcs = &sdma_v2_4_illegal_inst_irq_funcs; +} + +/** + * sdma_v2_4_emit_copy_buffer - copy buffer using the sDMA engine + * + * @ib: indirect buffer to copy to + * @src_offset: src GPU address + * @dst_offset: dst GPU address + * @byte_count: number of bytes to xfer + * @tmz: unused + * + * Copy GPU buffers using the DMA engine (VI). + * Used by the amdgpu ttm implementation to move pages if + * registered as the asic copy callback. + */ +static void sdma_v2_4_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_HEADER_OP(SDMA_OP_COPY) | + SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); + ib->ptr[ib->length_dw++] = byte_count; + 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_v2_4_emit_fill_buffer - fill buffer using the sDMA engine + * + * @ib: indirect buffer to copy to + * @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 (VI). + */ +static void sdma_v2_4_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; +} + +static const struct amdgpu_buffer_funcs sdma_v2_4_buffer_funcs = { + .copy_max_bytes = 0x1fffff, + .copy_num_dw = 7, + .emit_copy_buffer = sdma_v2_4_emit_copy_buffer, + + .fill_max_bytes = 0x1fffff, + .fill_num_dw = 7, + .emit_fill_buffer = sdma_v2_4_emit_fill_buffer, +}; + +static void sdma_v2_4_set_buffer_funcs(struct amdgpu_device *adev) +{ + adev->mman.buffer_funcs = &sdma_v2_4_buffer_funcs; + adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; +} + +static const struct amdgpu_vm_pte_funcs sdma_v2_4_vm_pte_funcs = { + .copy_pte_num_dw = 7, + .copy_pte = sdma_v2_4_vm_copy_pte, + + .write_pte = sdma_v2_4_vm_write_pte, + .set_pte_pde = sdma_v2_4_vm_set_pte_pde, +}; + +static void sdma_v2_4_set_vm_pte_funcs(struct amdgpu_device *adev) +{ + unsigned i; + + adev->vm_manager.vm_pte_funcs = &sdma_v2_4_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_v2_4_ip_block = +{ + .type = AMD_IP_BLOCK_TYPE_SDMA, + .major = 2, + .minor = 4, + .rev = 0, + .funcs = &sdma_v2_4_ip_funcs, +}; |