diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/corec37d.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/corec37d.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/corec37d.c b/drivers/gpu/drm/nouveau/dispnv50/corec37d.c new file mode 100644 index 000000000000..b5c17c948918 --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/corec37d.c @@ -0,0 +1,110 @@ +/* + * Copyright 2018 Red Hat Inc. + * + * 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, sublicense, + * 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 above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + */ +#include "core.h" +#include "head.h" + +#include <nouveau_bo.h> + +static void +corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy) +{ + u32 *push; + if ((push = evo_wait(&core->chan, 9))) { + if (ntfy) { + evo_mthd(push, 0x020c, 1); + evo_data(push, 0x00001000 | NV50_DISP_CORE_NTFY); + } + + evo_mthd(push, 0x0218, 2); + evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS]); + evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]); + evo_mthd(push, 0x0200, 1); + evo_data(push, 0x00000001); + + if (ntfy) { + evo_mthd(push, 0x020c, 1); + evo_data(push, 0x00000000); + } + evo_kick(push, &core->chan); + } +} + +int +corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset, + struct nvif_device *device) +{ + u32 data; + s64 time = nvif_msec(device, 2000ULL, + data = nouveau_bo_rd32(bo, offset / 4 + 0); + if ((data & 0xc0000000) == 0x80000000) + break; + usleep_range(1, 2); + ); + return time < 0 ? time : 0; +} + +void +corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset) +{ + nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000); + nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000); + nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000); + nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000); +} + +void +corec37d_init(struct nv50_core *core) +{ + const u32 windows = 8; /*XXX*/ + u32 *push, i; + if ((push = evo_wait(&core->chan, 2 + 6 * windows + 2))) { + evo_mthd(push, 0x0208, 1); + evo_data(push, core->chan.sync.handle); + for (i = 0; i < windows; i++) { + evo_mthd(push, 0x1000 + (i * 0x080), 3); + evo_data(push, i >> 1); + evo_data(push, 0x00000017); + evo_data(push, 0x00000000); + evo_mthd(push, 0x1010 + (i * 0x080), 1); + evo_data(push, 0x00127fff); + } + evo_mthd(push, 0x0200, 1); + evo_data(push, 0x00000001); + evo_kick(push, &core->chan); + } +} + +static const struct nv50_core_func +corec37d = { + .init = corec37d_init, + .ntfy_init = corec37d_ntfy_init, + .ntfy_wait_done = corec37d_ntfy_wait_done, + .update = corec37d_update, + .head = &headc37d, + .sor = &sorc37d, +}; + +int +corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore) +{ + return core507d_new_(&corec37d, drm, oclass, pcore); +} |