nouveau/dispnv50/crcc57d.c

0001 // SPDX-License-Identifier: MIT
0002
0003 #include "crc.h"
0004 #include "crcc37d.h"
0005 #include "core.h"
0006 #include "disp.h"
0007 #include "head.h"
0008
0009 #include <nvif/pushc37b.h>
0010
0011 #include <nvhw/class/clc57d.h>
0012
0013 static int crcc57d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source,
0014                struct nv50_crc_notifier_ctx *ctx)
0015 {
0016     struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
0017     const int i = head->base.index;
0018     u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |
0019                NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
0020                NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
0021                NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
0022     int ret;
0023
0024     switch (source) {
0025     case NV50_CRC_SOURCE_TYPE_SOR:
0026         crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or));
0027         break;
0028     case NV50_CRC_SOURCE_TYPE_SF:
0029         crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
0030         break;
0031     default:
0032         break;
0033     }
0034
0035     ret = PUSH_WAIT(push, 4);
0036     if (ret)
0037         return ret;
0038
0039     if (source) {
0040         PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);
0041         PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), crc_args);
0042     } else {
0043         PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0);
0044         PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
0045     }
0046
0047     return 0;
0048 }
0049
0050 const struct nv50_crc_func crcc57d = {
0051     .set_src = crcc57d_set_src,
0052     .set_ctx = crcc37d_set_ctx,
0053     .get_entry = crcc37d_get_entry,
0054     .ctx_finished = crcc37d_ctx_finished,
0055     .flip_threshold = CRCC37D_FLIP_THRESHOLD,
0056     .num_entries = CRCC37D_MAX_ENTRIES,
0057     .notifier_len = sizeof(struct crcc37d_notifier),
0058 };