--- /dev/null
+/*
+ * 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 <christian.koenig@amd.com>
+ */
+
+#include <linux/firmware.h>
+#include <drm/drmP.h>
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "cikd.h"
+
+static void vce_v2_0_set_sw_cg(struct radeon_device *rdev, bool gated)
+{
+ u32 tmp;
+
+ if (gated) {
+ tmp = RREG32(VCE_CLOCK_GATING_B);
+ tmp |= 0xe70000;
+ WREG32(VCE_CLOCK_GATING_B, tmp);
+
+ tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp |= 0xff000000;
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
+ tmp &= ~0x3fc;
+ WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
+
+ WREG32(VCE_CGTT_CLK_OVERRIDE, 0);
+ } else {
+ tmp = RREG32(VCE_CLOCK_GATING_B);
+ tmp |= 0xe7;
+ tmp &= ~0xe70000;
+ WREG32(VCE_CLOCK_GATING_B, tmp);
+
+ tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp |= 0x1fe000;
+ tmp &= ~0xff000000;
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
+ tmp |= 0x3fc;
+ WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
+ }
+}
+
+static void vce_v2_0_set_dyn_cg(struct radeon_device *rdev, bool gated)
+{
+ u32 orig, tmp;
+
+ tmp = RREG32(VCE_CLOCK_GATING_B);
+ tmp &= ~0x00060006;
+ if (gated) {
+ tmp |= 0xe10000;
+ } else {
+ tmp |= 0xe1;
+ tmp &= ~0xe10000;
+ }
+ WREG32(VCE_CLOCK_GATING_B, tmp);
+
+ orig = tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp &= ~0x1fe000;
+ tmp &= ~0xff000000;
+ if (tmp != orig)
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ orig = tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
+ tmp &= ~0x3fc;
+ if (tmp != orig)
+ WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
+
+ if (gated)
+ WREG32(VCE_CGTT_CLK_OVERRIDE, 0);
+}
+
+static void vce_v2_0_disable_cg(struct radeon_device *rdev)
+{
+ WREG32(VCE_CGTT_CLK_OVERRIDE, 7);
+}
+
+void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable)
+{
+ bool sw_cg = false;
+
+ if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_VCE_MGCG)) {
+ if (sw_cg)
+ vce_v2_0_set_sw_cg(rdev, true);
+ else
+ vce_v2_0_set_dyn_cg(rdev, true);
+ } else {
+ vce_v2_0_disable_cg(rdev);
+
+ if (sw_cg)
+ vce_v2_0_set_sw_cg(rdev, false);
+ else
+ vce_v2_0_set_dyn_cg(rdev, false);
+ }
+}
+
+static void vce_v2_0_init_cg(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32(VCE_CLOCK_GATING_A);
+ tmp &= ~(CGC_CLK_GATE_DLY_TIMER_MASK | CGC_CLK_GATER_OFF_DLY_TIMER_MASK);
+ tmp |= (CGC_CLK_GATE_DLY_TIMER(0) | CGC_CLK_GATER_OFF_DLY_TIMER(4));
+ tmp |= CGC_UENC_WAIT_AWAKE;
+ WREG32(VCE_CLOCK_GATING_A, tmp);
+
+ tmp = RREG32(VCE_UENC_CLOCK_GATING);
+ tmp &= ~(CLOCK_ON_DELAY_MASK | CLOCK_OFF_DELAY_MASK);
+ tmp |= (CLOCK_ON_DELAY(0) | CLOCK_OFF_DELAY(4));
+ WREG32(VCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(VCE_CLOCK_GATING_B);
+ tmp |= 0x10;
+ tmp &= ~0x100000;
+ WREG32(VCE_CLOCK_GATING_B, tmp);
+}
+
+int vce_v2_0_resume(struct radeon_device *rdev)
+{
+ uint64_t addr = rdev->vce.gpu_addr;
+ uint32_t size;
+
+ WREG32_P(VCE_CLOCK_GATING_A, 0, ~(1 << 16));
+ WREG32_P(VCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
+ WREG32_P(VCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
+ WREG32(VCE_CLOCK_GATING_B, 0xf7);
+
+ WREG32(VCE_LMI_CTRL, 0x00398000);
+ WREG32_P(VCE_LMI_CACHE_CTRL, 0x0, ~0x1);
+ WREG32(VCE_LMI_SWAP_CNTL, 0);
+ WREG32(VCE_LMI_SWAP_CNTL1, 0);
+ WREG32(VCE_LMI_VM_CTRL, 0);
+
+ WREG32(VCE_LMI_VCPU_CACHE_40BIT_BAR, addr >> 8);
+
+ addr &= 0xff;
+ size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size);
+ WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
+ WREG32(VCE_VCPU_CACHE_SIZE0, size);
+
+ addr += size;
+ size = RADEON_VCE_STACK_SIZE;
+ WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
+ WREG32(VCE_VCPU_CACHE_SIZE1, size);
+
+ addr += size;
+ size = RADEON_VCE_HEAP_SIZE;
+ WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
+ WREG32(VCE_VCPU_CACHE_SIZE2, size);
+
+ WREG32_P(VCE_LMI_CTRL2, 0x0, ~0x100);
+
+ WREG32_P(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN,
+ ~VCE_SYS_INT_TRAP_INTERRUPT_EN);
+
+ vce_v2_0_init_cg(rdev);
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff