diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgv100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgv100.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgv100.c new file mode 100644 index 000000000000..a3e4f6900245 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgv100.c @@ -0,0 +1,81 @@ +/* + * 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 "channv50.h" + +#include <subdev/timer.h> + +static int +gv100_disp_curs_idle(struct nv50_disp_chan *chan) +{ + struct nvkm_device *device = chan->disp->base.engine.subdev.device; + const u32 soff = (chan->chid.ctrl - 1) * 0x04; + nvkm_msec(device, 2000, + u32 stat = nvkm_rd32(device, 0x610664 + soff); + if ((stat & 0x00070000) == 0x00040000) + return 0; + ); + return -EBUSY; +} + +static void +gv100_disp_curs_intr(struct nv50_disp_chan *chan, bool en) +{ + struct nvkm_device *device = chan->disp->base.engine.subdev.device; + const u32 mask = 0x00010000 << chan->head; + const u32 data = en ? mask : 0; + nvkm_mask(device, 0x611dac, mask, data); +} + +static void +gv100_disp_curs_fini(struct nv50_disp_chan *chan) +{ + struct nvkm_device *device = chan->disp->base.engine.subdev.device; + const u32 hoff = chan->chid.ctrl * 4; + nvkm_mask(device, 0x6104e0 + hoff, 0x00000010, 0x00000010); + gv100_disp_curs_idle(chan); + nvkm_mask(device, 0x6104e0 + hoff, 0x00000001, 0x00000000); +} + +static int +gv100_disp_curs_init(struct nv50_disp_chan *chan) +{ + struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + nvkm_wr32(device, 0x6104e0 + chan->chid.ctrl * 4, 0x00000001); + return gv100_disp_curs_idle(chan); +} + +static const struct nv50_disp_chan_func +gv100_disp_curs = { + .init = gv100_disp_curs_init, + .fini = gv100_disp_curs_fini, + .intr = gv100_disp_curs_intr, + .user = gv100_disp_chan_user, +}; + +int +gv100_disp_curs_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, + struct nv50_disp *disp, struct nvkm_object **pobject) +{ + return nv50_disp_curs_new_(&gv100_disp_curs, disp, 73, 73, + oclass, argv, argc, pobject); +} |