1 // SPDX-License-Identifier: MIT 2 3 #include "crc.h" 4 #include "crcc37d.h" 5 #include "core.h" 6 #include "disp.h" 7 #include "head.h" 8 9 #include <nvif/pushc37b.h> 10 11 #include <nvhw/class/clc57d.h> 12 13 static int crcc57d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source, 14 struct nv50_crc_notifier_ctx *ctx) 15 { 16 struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push; 17 const int i = head->base.index; 18 u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) | 19 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) | 20 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) | 21 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE); 22 int ret; 23 24 switch (source) { 25 case NV50_CRC_SOURCE_TYPE_SOR: 26 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or)); 27 break; 28 case NV50_CRC_SOURCE_TYPE_SF: 29 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF); 30 break; 31 default: 32 break; 33 } 34 35 ret = PUSH_WAIT(push, 4); 36 if (ret) 37 return ret; 38 39 if (source) { 40 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle); 41 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), crc_args); 42 } else { 43 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0); 44 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0); 45 } 46 47 return 0; 48 } 49 50 const struct nv50_crc_func crcc57d = { 51 .set_src = crcc57d_set_src, 52 .set_ctx = crcc37d_set_ctx, 53 .get_entry = crcc37d_get_entry, 54 .ctx_finished = crcc37d_ctx_finished, 55 .flip_threshold = CRCC37D_FLIP_THRESHOLD, 56 .num_entries = CRCC37D_MAX_ENTRIES, 57 .notifier_len = sizeof(struct crcc37d_notifier), 58 }; 59