/* * Copyright 2013 Advanced Micro Devices, Inc. * All Rights Reserved. * * 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, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * Authors: Christian König */ #include #include "amdgpu.h" #include "amdgpu_vce.h" #include "cikd.h" #include "vce/vce_2_0_d.h" #include "vce/vce_2_0_sh_mask.h" #include "smu/smu_7_0_1_d.h" #include "smu/smu_7_0_1_sh_mask.h" #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" #define VCE_V2_0_FW_SIZE (256 * 1024) #define VCE_V2_0_STACK_SIZE (64 * 1024) #define VCE_V2_0_DATA_SIZE (23552 * AMDGPU_MAX_VCE_HANDLES) #define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev); static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev); /** * vce_v2_0_ring_get_rptr - get read pointer * * @ring: amdgpu_ring pointer * * Returns the current hardware read pointer */ static uint64_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; if (ring->me == 0) return RREG32(mmVCE_RB_RPTR); else return RREG32(mmVCE_RB_RPTR2); } /** * vce_v2_0_ring_get_wptr - get write pointer * * @ring: amdgpu_ring pointer * * Returns the current hardware write pointer */ static uint64_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; if (ring->me == 0) return RREG32(mmVCE_RB_WPTR); else return RREG32(mmVCE_RB_WPTR2); } /** * vce_v2_0_ring_set_wptr - set write pointer * * @ring: amdgpu_ring pointer * * Commits the write pointer to the hardware */ static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; if (ring->me == 0) WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); else WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); } static int vce_v2_0_lmi_clean(struct amdgpu_device *adev) { int i, j; for (i = 0; i < 10; ++i) { for (j = 0; j < 100; ++j) { uint32_t status = RREG32(mmVCE_LMI_STATUS); if (status & 0x337f) return 0; mdelay(10); } } return -ETIMEDOUT; } static int vce_v2_0_firmware_loaded(struct amdgpu_device *adev) { int i, j; for (i = 0; i < 10; ++i) { for (j = 0; j < 100; ++j) { uint32_t status = RREG32(mmVCE_STATUS); if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK) return 0; mdelay(10); } DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n"); WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); mdelay(10); WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); mdelay(10); } return -ETIMEDOUT; } static void vce_v2_0_disable_cg(struct amdgpu_device *adev) { WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7); } static void vce_v2_0_init_cg(struct amdgpu_device *adev) { u32 tmp; tmp = RREG32(mmVCE_CLOCK_GATING_A); tmp &= ~0xfff; tmp |= ((0 << 0) | (4 << 4)); tmp |= 0x40000; WREG32(mmVCE_CLOCK_GATING_A, tmp); tmp = RREG32(mmVCE_UENC_CLOCK_GATING); tmp &= ~0xfff; tmp |= ((0 << 0) | (4 << 4)); WREG32(mmVCE_UENC_CLOCK_GATING, tmp); tmp = RREG32(mmVCE_CLOCK_GATING_B); tmp |= 0x10; tmp &= ~0x100000; WREG32(mmVCE_CLOCK_GATING_B, tmp); } static void vce_v2_0_mc_resume(struct amdgpu_device *adev) { uint32_t size, offset; WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16)); WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000); WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F); WREG32(mmVCE_CLOCK_GATING_B, 0xf7); WREG32(mmVCE_LMI_CTRL, 0x00398000); WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1); WREG32(mmVCE_LMI_SWAP_CNTL, 0); WREG32(mmVCE_LMI_SWAP_CNTL1, 0); WREG32(mmVCE_LMI_VM_CTRL, 0); WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); offset = AMDGPU_VCE_FIRMWARE_OFFSET; size = VCE_V2_0_FW_SIZE; WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff); WREG32(mmVCE_VCPU_CACHE_SIZE0, size); offset += size; size = VCE_V2_0_STACK_SIZE; WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff); WREG32(mmVCE_VCPU_CACHE_SIZE1, size); offset += size; size = VCE_V2_0_DATA_SIZE; WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff); WREG32(mmVCE_VCPU_CACHE_SIZE2, size); WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100); WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1); } static bool vce_v2_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK); } static int vce_v2_0_wait_for_idle(struct amdgpu_ip_block *ip_block) { struct amdgpu_device *adev = ip_block->adev; unsigned i; for (i = 0; i < adev->usec_timeout; i++) { if (vce_v2_0_is_idle(adev)) return 0; } return -ETIMEDOUT; } /** * vce_v2_0_start - start VCE block * * @adev: amdgpu_device pointer * * Setup and start the VCE block */ static int vce_v2_0_start(struct amdgpu_device *adev) { struct amdgpu_ring *ring; int r; /* set BUSY flag */ WREG32_P(mmVCE_STATUS, 1, ~1); vce_v2_0_init_cg(adev); vce_v2_0_disable_cg(adev); vce_v2_0_mc_resume(adev); ring = &adev->vce.ring[0]; WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); ring = &adev->vce.ring[1]; WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1); WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1); mdelay(100); WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0); r = vce_v2_0_firmware_loaded(adev); /* clear BUSY flag */ WREG32_P(mmVCE_STATUS, 0, ~1); if (r) { DRM_ERROR("VCE not responding, giving up!!!\n"); return r; } return 0; } static int vce_v2_0_stop(struct amdgpu_device *adev) { struct amdgpu_ip_block *ip_block; int i; int status; if (vce_v2_0_lmi_clean(adev)) { DRM_INFO("vce is not idle \n"); return 0; } ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCN); if (!ip_block) return -EINVAL; if (vce_v2_0_wait_for_idle(ip_block)) { DRM_INFO("VCE is busy, Can't set clock gating"); return 0; } /* Stall UMC and register bus before resetting VCPU */ WREG32_P(mmVCE_LMI_CTRL2, 1 << 8, ~(1 << 8)); for (i = 0; i < 100; ++i) { status = RREG32(mmVCE_LMI_STATUS); if (status & 0x240) break; mdelay(1); } WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x80001); /* put LMI, VCPU, RBC etc... into reset */ WREG32_P(mmVCE_SOFT_RESET, 1, ~0x1); WREG32(mmVCE_STATUS, 0); return 0; } static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated) { u32 tmp; if (gated) { tmp = RREG32(mmVCE_CLOCK_GATING_B); tmp |= 0xe70000; WREG32(mmVCE_CLOCK_GATING_B, tmp); tmp = RREG32(mmVCE_UENC_CLOCK_GATING); tmp |= 0xff000000; WREG32(mmVCE_UENC_CLOCK_GATING, tmp); tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING); tmp &= ~0x3fc; WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp); WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0); } else { tmp = RREG32(mmVCE_CLOCK_GATING_B); tmp |= 0xe7; tmp &= ~0xe70000; WREG32(mmVCE_CLOCK_GATING_B, tmp); tmp = RREG32(mmVCE_UENC_CLOCK_GATING); tmp |= 0x1fe000; tmp &= ~0xff000000; WREG32(mmVCE_UENC_CLOCK_GATING, tmp); tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING); tmp |= 0x3fc; WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp); } } static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated) { u32 orig, tmp; /* LMI_MC/LMI_UMC always set in dynamic, * set {CGC_*_GATE_MODE, CGC_*_SW_GATE} = {0, 0} */ tmp = RREG32(mmVCE_CLOCK_GATING_B); tmp &= ~0x00060006; /* Exception for ECPU, IH, SEM, SYS blocks needs to be turned on/off by SW */ if (gated) { tmp |= 0xe10000; WREG32(mmVCE_CLOCK_GATING_B, tmp); } else { tmp |= 0xe1; tmp &= ~0xe10000; WREG32(mmVCE_CLOCK_GATING_B, tmp); } orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING); tmp &= ~0x1fe000; tmp &= ~0xff000000; if (tmp != orig) WREG32(mmVCE_UENC_CLOCK_GATING, tmp); orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING); tmp &= ~0x3fc; if (tmp != orig) WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp); /* set VCE_UENC_REG_CLOCK_GATING always in dynamic mode */ WREG32(mmVCE_UENC_REG_CLOCK_GATING, 0x00); if(gated) WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0); } static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable, bool sw_cg) { if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) { if (sw_cg) vce_v2_0_set_sw_cg(adev, true); else vce_v2_0_set_dyn_cg(adev, true); } else { vce_v2_0_disable_cg(adev); if (sw_cg) vce_v2_0_set_sw_cg(adev, false); else vce_v2_0_set_dyn_cg(adev, false); } } static int vce_v2_0_early_init(struct amdgpu_ip_block *ip_block) { struct amdgpu_device *adev = ip_block->adev; adev->vce.num_rings = 2; vce_v2_0_set_ring_funcs(adev); vce_v2_0_set_irq_funcs(adev); return 0; } static int vce_v2_0_sw_init(struct amdgpu_ip_block *ip_block) { struct amdgpu_ring *ring; int r, i; struct amdgpu_device *adev = ip_block->adev; /* VCE */ r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 167, &adev->vce.irq); if (r) return r; r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE + VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE); if (r) return r; r = amdgpu_vce_resume(adev); if (r) return r; for (i = 0; i < adev->vce.num_rings; i++) { enum amdgpu_ring_priority_level hw_prio = amdgpu_vce_get_ring_prio(i); ring = &adev->vce.ring[i]; sprintf(ring->name, "vce%d", i); r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0, hw_prio, NULL); if (r) return r; } return r; } static int vce_v2_0_sw_fini(struct amdgpu_ip_block *ip_block) { int r; struct amdgpu_device *adev = ip_block->adev; r = amdgpu_vce_suspend(adev); if (r) return r; return amdgpu_vce_sw_fini(adev); } static int vce_v2_0_hw_init(struct amdgpu_ip_block *ip_block) { int r, i; struct amdgpu_device *adev = ip_block->adev; amdgpu_asic_set_vce_clocks(adev, 10000, 10000); vce_v2_0_enable_mgcg(adev, true, false); for (i = 0; i < adev->vce.num_rings; i++) { r = amdgpu_ring_test_helper(&adev->vce.ring[i]); if (r) return r; } DRM_INFO("VCE initialized successfully.\n"); return 0; } static int vce_v2_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; cancel_delayed_work_sync(&adev->vce.idle_work); return 0; } static int vce_v2_0_suspend(struct amdgpu_ip_block *ip_block) { int r; struct amdgpu_device *adev = ip_block->adev; /* * Proper cleanups before halting the HW engine: * - cancel the delayed idle work * - enable powergating * - enable clockgating * - disable dpm * * TODO: to align with the VCN implementation, move the * jobs for clockgating/powergating/dpm setting to * ->set_powergating_state(). */ cancel_delayed_work_sync(&adev->vce.idle_work); if (adev->pm.dpm_enabled) { amdgpu_dpm_enable_vce(adev, false); } else { amdgpu_asic_set_vce_clocks(adev, 0, 0); amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, AMD_PG_STATE_GATE); amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, AMD_CG_STATE_GATE); } r = vce_v2_0_hw_fini(adev); if (r) return r; return amdgpu_vce_suspend(adev); } static int vce_v2_0_resume(struct amdgpu_ip_block *ip_block) { int r; r = amdgpu_vce_resume(ip_block->adev); if (r) return r; return vce_v2_0_hw_init(ip_block); } static int vce_v2_0_soft_reset(struct amdgpu_ip_block *ip_block) { struct amdgpu_device *adev = ip_block->adev; WREG32_FIELD(SRBM_SOFT_RESET, SOFT_RESET_VCE, 1); mdelay(5); return vce_v2_0_start(adev); } static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *source, unsigned type, enum amdgpu_interrupt_state state) { uint32_t val = 0; if (state == AMDGPU_IRQ_STATE_ENABLE) val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK; WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); return 0; } static int vce_v2_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { DRM_DEBUG("IH: VCE\n"); switch (entry->src_data[0]) { case 0: case 1: amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]); break; default: DRM_ERROR("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); break; } return 0; } static int vce_v2_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { bool gate = false; bool sw_cg = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (state == AMD_CG_STATE_GATE) { gate = true; sw_cg = true; } vce_v2_0_enable_mgcg(adev, gate, sw_cg); return 0; } static int vce_v2_0_set_powergating_state(void *handle, enum amd_powergating_state state) { /* This doesn't actually powergate the VCE block. * That's done in the dpm code via the SMC. This * just re-inits the block as necessary. The actual * gating still happens in the dpm code. We should * revisit this when there is a cleaner line between * the smc and the hw blocks */ struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (state == AMD_PG_STATE_GATE) return vce_v2_0_stop(adev); else return vce_v2_0_start(adev); } static const struct amd_ip_funcs vce_v2_0_ip_funcs = { .name = "vce_v2_0", .early_init = vce_v2_0_early_init, .late_init = NULL, .sw_init = vce_v2_0_sw_init, .sw_fini = vce_v2_0_sw_fini, .hw_init = vce_v2_0_hw_init, .hw_fini = vce_v2_0_hw_fini, .suspend = vce_v2_0_suspend, .resume = vce_v2_0_resume, .is_idle = vce_v2_0_is_idle, .wait_for_idle = vce_v2_0_wait_for_idle, .soft_reset = vce_v2_0_soft_reset, .set_clockgating_state = vce_v2_0_set_clockgating_state, .set_powergating_state = vce_v2_0_set_powergating_state, .dump_ip_state = NULL, .print_ip_state = NULL, }; static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = { .type = AMDGPU_RING_TYPE_VCE, .align_mask = 0xf, .nop = VCE_CMD_NO_OP, .support_64bit_ptrs = false, .no_user_fence = true, .get_rptr = vce_v2_0_ring_get_rptr, .get_wptr = vce_v2_0_ring_get_wptr, .set_wptr = vce_v2_0_ring_set_wptr, .parse_cs = amdgpu_vce_ring_parse_cs, .emit_frame_size = 6, /* amdgpu_vce_ring_emit_fence x1 no user fence */ .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */ .emit_ib = amdgpu_vce_ring_emit_ib, .emit_fence = amdgpu_vce_ring_emit_fence, .test_ring = amdgpu_vce_ring_test_ring, .test_ib = amdgpu_vce_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .begin_use = amdgpu_vce_ring_begin_use, .end_use = amdgpu_vce_ring_end_use, }; static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev) { int i; for (i = 0; i < adev->vce.num_rings; i++) { adev->vce.ring[i].funcs = &vce_v2_0_ring_funcs; adev->vce.ring[i].me = i; } } static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = { .set = vce_v2_0_set_interrupt_state, .process = vce_v2_0_process_interrupt, }; static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev) { adev->vce.irq.num_types = 1; adev->vce.irq.funcs = &vce_v2_0_irq_funcs; }; const struct amdgpu_ip_block_version vce_v2_0_ip_block = { .type = AMD_IP_BLOCK_TYPE_VCE, .major = 2, .minor = 0, .rev = 0, .funcs = &vce_v2_0_ip_funcs, };