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1// SPDX-License-Identifier: MIT2#include <drm/drm_crtc.h>3 4#include "crc.h"5#include "core.h"6#include "disp.h"7#include "head.h"8 9#include <nvif/push507c.h>10 11#include <nvhw/class/cl907d.h>12 13#define CRC907D_MAX_ENTRIES 25514 15struct crc907d_notifier {16 u32 status;17 u32 :32; /* reserved */18 struct crc907d_entry {19 u32 status;20 u32 compositor_crc;21 u32 output_crc[2];22 } entries[CRC907D_MAX_ENTRIES];23} __packed;24 25static int26crc907d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source,27 struct nv50_crc_notifier_ctx *ctx)28{29 struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push;30 const int i = head->base.index;31 u32 crc_args = NVDEF(NV907D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |32 NVDEF(NV907D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |33 NVDEF(NV907D, HEAD_SET_CRC_CONTROL, TIMESTAMP_MODE, FALSE) |34 NVDEF(NV907D, HEAD_SET_CRC_CONTROL, SECONDARY_OUTPUT, NONE) |35 NVDEF(NV907D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE) |36 NVDEF(NV907D, HEAD_SET_CRC_CONTROL, WIDE_PIPE_CRC, ENABLE);37 int ret;38 39 switch (source) {40 case NV50_CRC_SOURCE_TYPE_SOR:41 crc_args |= NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, SOR(or));42 break;43 case NV50_CRC_SOURCE_TYPE_PIOR:44 crc_args |= NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, PIOR(or));45 break;46 case NV50_CRC_SOURCE_TYPE_DAC:47 crc_args |= NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, DAC(or));48 break;49 case NV50_CRC_SOURCE_TYPE_RG:50 crc_args |= NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, RG(i));51 break;52 case NV50_CRC_SOURCE_TYPE_SF:53 crc_args |= NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, SF(i));54 break;55 case NV50_CRC_SOURCE_NONE:56 crc_args |= NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, NONE);57 break;58 }59 60 if ((ret = PUSH_WAIT(push, 4)))61 return ret;62 63 if (source) {64 PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);65 PUSH_MTHD(push, NV907D, HEAD_SET_CRC_CONTROL(i), crc_args);66 } else {67 PUSH_MTHD(push, NV907D, HEAD_SET_CRC_CONTROL(i), crc_args);68 PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);69 }70 71 return 0;72}73 74static int75crc907d_set_ctx(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx)76{77 struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push;78 const int i = head->base.index;79 int ret;80 81 if ((ret = PUSH_WAIT(push, 2)))82 return ret;83 84 PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx ? ctx->ntfy.handle : 0);85 return 0;86}87 88static u32 crc907d_get_entry(struct nv50_head *head,89 struct nv50_crc_notifier_ctx *ctx,90 enum nv50_crc_source source, int idx)91{92 struct crc907d_notifier __iomem *notifier = ctx->mem.object.map.ptr;93 94 return ioread32_native(¬ifier->entries[idx].output_crc[0]);95}96 97static bool crc907d_ctx_finished(struct nv50_head *head,98 struct nv50_crc_notifier_ctx *ctx)99{100 struct nouveau_drm *drm = nouveau_drm(head->base.base.dev);101 struct crc907d_notifier __iomem *notifier = ctx->mem.object.map.ptr;102 const u32 status = ioread32_native(¬ifier->status);103 const u32 overflow = status & 0x0000003e;104 105 if (!(status & 0x00000001))106 return false;107 108 if (overflow) {109 const char *engine = NULL;110 111 switch (overflow) {112 case 0x00000004: engine = "DSI"; break;113 case 0x00000008: engine = "Compositor"; break;114 case 0x00000010: engine = "CRC output 1"; break;115 case 0x00000020: engine = "CRC output 2"; break;116 }117 118 if (engine)119 NV_ERROR(drm,120 "CRC notifier context for head %d overflowed on %s: %x\n",121 head->base.index, engine, status);122 else123 NV_ERROR(drm,124 "CRC notifier context for head %d overflowed: %x\n",125 head->base.index, status);126 }127 128 NV_DEBUG(drm, "Head %d CRC context status: %x\n",129 head->base.index, status);130 131 return true;132}133 134const struct nv50_crc_func crc907d = {135 .set_src = crc907d_set_src,136 .set_ctx = crc907d_set_ctx,137 .get_entry = crc907d_get_entry,138 .ctx_finished = crc907d_ctx_finished,139 .flip_threshold = CRC907D_MAX_ENTRIES - 10,140 .num_entries = CRC907D_MAX_ENTRIES,141 .notifier_len = sizeof(struct crc907d_notifier),142};143