nouveau/dispnv50/core507d.c

0001 /*
0002  * Copyright 2018 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  */
0022 #include "core.h"
0023 #include "head.h"
0024
0025 #include <nvif/if0014.h>
0026 #include <nvif/push507c.h>
0027 #include <nvif/timer.h>
0028
0029 #include <nvhw/class/cl507d.h>
0030
0031 #include "nouveau_bo.h"
0032
0033 int
0034 core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
0035 {
0036     struct nvif_push *push = core->chan.push;
0037     int ret;
0038
0039     if ((ret = PUSH_WAIT(push, (ntfy ? 2 : 0) + 3)))
0040         return ret;
0041
0042     if (ntfy) {
0043         PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
0044               NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
0045               NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) |
0046               NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
0047     }
0048
0049     PUSH_MTHD(push, NV507D, UPDATE, interlock[NV50_DISP_INTERLOCK_BASE] |
0050                     interlock[NV50_DISP_INTERLOCK_OVLY] |
0051           NVDEF(NV507D, UPDATE, NOT_DRIVER_FRIENDLY, FALSE) |
0052           NVDEF(NV507D, UPDATE, NOT_DRIVER_UNFRIENDLY, FALSE) |
0053           NVDEF(NV507D, UPDATE, INHIBIT_INTERRUPTS, FALSE),
0054
0055                 SET_NOTIFIER_CONTROL,
0056           NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE));
0057
0058     return PUSH_KICK(push);
0059 }
0060
0061 int
0062 core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
0063             struct nvif_device *device)
0064 {
0065     s64 time = nvif_msec(device, 2000ULL,
0066         if (NVBO_TD32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, ==, TRUE))
0067             break;
0068         usleep_range(1, 2);
0069     );
0070     return time < 0 ? time : 0;
0071 }
0072
0073 void
0074 core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
0075 {
0076     NVBO_WR32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0,
0077             NVDEF(NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, FALSE));
0078 }
0079
0080 int
0081 core507d_read_caps(struct nv50_disp *disp)
0082 {
0083     struct nvif_push *push = disp->core->chan.push;
0084     int ret;
0085
0086     ret = PUSH_WAIT(push, 6);
0087     if (ret)
0088         return ret;
0089
0090     PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
0091           NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
0092           NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) |
0093           NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
0094
0095     PUSH_MTHD(push, NV507D, GET_CAPABILITIES, 0x00000000);
0096
0097     PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
0098           NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE));
0099
0100     return PUSH_KICK(push);
0101 }
0102
0103 int
0104 core507d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
0105 {
0106     struct nv50_core *core = disp->core;
0107     struct nouveau_bo *bo = disp->sync;
0108     s64 time;
0109     int ret;
0110
0111     NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1,
0112                      NVDEF(NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, DONE, FALSE));
0113
0114     ret = core507d_read_caps(disp);
0115     if (ret < 0)
0116         return ret;
0117
0118     time = nvif_msec(core->chan.base.device, 2000ULL,
0119              if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY,
0120                        NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, DONE, ==, TRUE))
0121                  break;
0122              usleep_range(1, 2);
0123              );
0124     if (time < 0)
0125         NV_ERROR(drm, "core caps notifier timeout\n");
0126
0127     return 0;
0128 }
0129
0130 int
0131 core507d_init(struct nv50_core *core)
0132 {
0133     struct nvif_push *push = core->chan.push;
0134     int ret;
0135
0136     if ((ret = PUSH_WAIT(push, 2)))
0137         return ret;
0138
0139     PUSH_MTHD(push, NV507D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);
0140     return PUSH_KICK(push);
0141 }
0142
0143 static const struct nv50_core_func
0144 core507d = {
0145     .init = core507d_init,
0146     .ntfy_init = core507d_ntfy_init,
0147     .caps_init = core507d_caps_init,
0148     .ntfy_wait_done = core507d_ntfy_wait_done,
0149     .update = core507d_update,
0150     .head = &head507d,
0151     .dac = &dac507d,
0152     .sor = &sor507d,
0153     .pior = &pior507d,
0154 };
0155
0156 int
0157 core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
0158           s32 oclass, struct nv50_core **pcore)
0159 {
0160     struct nvif_disp_chan_v0 args = {};
0161     struct nv50_disp *disp = nv50_disp(drm->dev);
0162     struct nv50_core *core;
0163     int ret;
0164
0165     if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL)))
0166         return -ENOMEM;
0167     core->func = func;
0168
0169     ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
0170                    &oclass, 0, &args, sizeof(args),
0171                    disp->sync->offset, &core->chan);
0172     if (ret) {
0173         NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret);
0174         return ret;
0175     }
0176
0177     return 0;
0178 }
0179
0180 int
0181 core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
0182 {
0183     return core507d_new_(&core507d, drm, oclass, pcore);
0184 }