diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c')
| -rw-r--r-- | kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c new file mode 100644 index 000000000..db4a9b3e0 --- /dev/null +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c @@ -0,0 +1,242 @@ +/* + * Copyright 2012 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. + * + * Authors: Ben Skeggs + */ +#include "dmacnv50.h" +#include "rootnv50.h" + +#include <core/client.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +int +nv50_disp_core_new(const struct nv50_disp_dmac_func *func, + const struct nv50_disp_chan_mthd *mthd, + struct nv50_disp_root *root, int chid, + const struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_core_channel_dma_v0 v0; + } *args = data; + struct nvkm_object *parent = oclass->parent; + u64 push; + int ret; + + nvif_ioctl(parent, "create disp core channel dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nvif_ioctl(parent, "create disp core channel dma vers %d " + "pushbuf %016llx\n", + args->v0.version, args->v0.pushbuf); + push = args->v0.pushbuf; + } else + return ret; + + return nv50_disp_dmac_new_(func, mthd, root, chid, 0, + push, oclass, pobject); +} + +const struct nv50_disp_mthd_list +nv50_disp_core_mthd_base = { + .mthd = 0x0000, + .addr = 0x000000, + .data = { + { 0x0080, 0x000000 }, + { 0x0084, 0x610bb8 }, + { 0x0088, 0x610b9c }, + { 0x008c, 0x000000 }, + {} + } +}; + +static const struct nv50_disp_mthd_list +nv50_disp_core_mthd_dac = { + .mthd = 0x0080, + .addr = 0x000008, + .data = { + { 0x0400, 0x610b58 }, + { 0x0404, 0x610bdc }, + { 0x0420, 0x610828 }, + {} + } +}; + +const struct nv50_disp_mthd_list +nv50_disp_core_mthd_sor = { + .mthd = 0x0040, + .addr = 0x000008, + .data = { + { 0x0600, 0x610b70 }, + {} + } +}; + +const struct nv50_disp_mthd_list +nv50_disp_core_mthd_pior = { + .mthd = 0x0040, + .addr = 0x000008, + .data = { + { 0x0700, 0x610b80 }, + {} + } +}; + +static const struct nv50_disp_mthd_list +nv50_disp_core_mthd_head = { + .mthd = 0x0400, + .addr = 0x000540, + .data = { + { 0x0800, 0x610ad8 }, + { 0x0804, 0x610ad0 }, + { 0x0808, 0x610a48 }, + { 0x080c, 0x610a78 }, + { 0x0810, 0x610ac0 }, + { 0x0814, 0x610af8 }, + { 0x0818, 0x610b00 }, + { 0x081c, 0x610ae8 }, + { 0x0820, 0x610af0 }, + { 0x0824, 0x610b08 }, + { 0x0828, 0x610b10 }, + { 0x082c, 0x610a68 }, + { 0x0830, 0x610a60 }, + { 0x0834, 0x000000 }, + { 0x0838, 0x610a40 }, + { 0x0840, 0x610a24 }, + { 0x0844, 0x610a2c }, + { 0x0848, 0x610aa8 }, + { 0x084c, 0x610ab0 }, + { 0x0860, 0x610a84 }, + { 0x0864, 0x610a90 }, + { 0x0868, 0x610b18 }, + { 0x086c, 0x610b20 }, + { 0x0870, 0x610ac8 }, + { 0x0874, 0x610a38 }, + { 0x0880, 0x610a58 }, + { 0x0884, 0x610a9c }, + { 0x08a0, 0x610a70 }, + { 0x08a4, 0x610a50 }, + { 0x08a8, 0x610ae0 }, + { 0x08c0, 0x610b28 }, + { 0x08c4, 0x610b30 }, + { 0x08c8, 0x610b40 }, + { 0x08d4, 0x610b38 }, + { 0x08d8, 0x610b48 }, + { 0x08dc, 0x610b50 }, + { 0x0900, 0x610a18 }, + { 0x0904, 0x610ab8 }, + {} + } +}; + +static const struct nv50_disp_chan_mthd +nv50_disp_core_chan_mthd = { + .name = "Core", + .addr = 0x000000, + .prev = 0x000004, + .data = { + { "Global", 1, &nv50_disp_core_mthd_base }, + { "DAC", 3, &nv50_disp_core_mthd_dac }, + { "SOR", 2, &nv50_disp_core_mthd_sor }, + { "PIOR", 3, &nv50_disp_core_mthd_pior }, + { "HEAD", 2, &nv50_disp_core_mthd_head }, + {} + } +}; + +static void +nv50_disp_core_fini(struct nv50_disp_dmac *chan) +{ + struct nv50_disp *disp = chan->base.root->disp; + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + + /* deactivate channel */ + nvkm_mask(device, 0x610200, 0x00000010, 0x00000000); + nvkm_mask(device, 0x610200, 0x00000003, 0x00000000); + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x610200) & 0x001e0000)) + break; + ) < 0) { + nvkm_error(subdev, "core fini: %08x\n", + nvkm_rd32(device, 0x610200)); + } + + /* disable error reporting and completion notifications */ + nvkm_mask(device, 0x610028, 0x00010001, 0x00000000); +} + +static int +nv50_disp_core_init(struct nv50_disp_dmac *chan) +{ + struct nv50_disp *disp = chan->base.root->disp; + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + + /* enable error reporting */ + nvkm_mask(device, 0x610028, 0x00010000, 0x00010000); + + /* attempt to unstick channel from some unknown state */ + if ((nvkm_rd32(device, 0x610200) & 0x009f0000) == 0x00020000) + nvkm_mask(device, 0x610200, 0x00800000, 0x00800000); + if ((nvkm_rd32(device, 0x610200) & 0x003f0000) == 0x00030000) + nvkm_mask(device, 0x610200, 0x00600000, 0x00600000); + + /* initialise channel for dma command submission */ + nvkm_wr32(device, 0x610204, chan->push); + nvkm_wr32(device, 0x610208, 0x00010000); + nvkm_wr32(device, 0x61020c, 0x00000000); + nvkm_mask(device, 0x610200, 0x00000010, 0x00000010); + nvkm_wr32(device, 0x640000, 0x00000000); + nvkm_wr32(device, 0x610200, 0x01000013); + + /* wait for it to go inactive */ + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x610200) & 0x80000000)) + break; + ) < 0) { + nvkm_error(subdev, "core init: %08x\n", + nvkm_rd32(device, 0x610200)); + return -EBUSY; + } + + return 0; +} + +const struct nv50_disp_dmac_func +nv50_disp_core_func = { + .init = nv50_disp_core_init, + .fini = nv50_disp_core_fini, + .bind = nv50_disp_dmac_bind, +}; + +const struct nv50_disp_dmac_oclass +nv50_disp_core_oclass = { + .base.oclass = NV50_DISP_CORE_CHANNEL_DMA, + .base.minver = 0, + .base.maxver = 0, + .ctor = nv50_disp_core_new, + .func = &nv50_disp_core_func, + .mthd = &nv50_disp_core_chan_mthd, + .chid = 0, +}; |