diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/tu104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/tu104.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu104.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu104.c new file mode 100644 index 000000000000..13fa21459d38 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu104.c @@ -0,0 +1,152 @@ +/* + * 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 "nv50.h" +#include "head.h" +#include "ior.h" +#include "channv50.h" +#include "rootnv50.h" + +#include <core/gpuobj.h> +#include <subdev/timer.h> + +static int +tu104_disp_init(struct nv50_disp *disp) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + struct nvkm_head *head; + int i, j; + u32 tmp; + + /* Claim ownership of display. */ + if (nvkm_rd32(device, 0x6254e8) & 0x00000002) { + nvkm_mask(device, 0x6254e8, 0x00000001, 0x00000000); + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x6254e8) & 0x00000002)) + break; + ) < 0) + return -EBUSY; + } + + /* Lock pin capabilities. */ + tmp = 0x00000021; /*XXX*/ + nvkm_wr32(device, 0x640008, tmp); + + /* SOR capabilities. */ + for (i = 0; i < disp->sor.nr; i++) { + tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800)); + nvkm_mask(device, 0x640000, 0x00000100 << i, 0x00000100 << i); + nvkm_wr32(device, 0x640144 + (i * 0x08), tmp); + } + + /* Head capabilities. */ + list_for_each_entry(head, &disp->base.head, head) { + const int id = head->id; + + /* RG. */ + tmp = nvkm_rd32(device, 0x616300 + (id * 0x800)); + nvkm_wr32(device, 0x640048 + (id * 0x020), tmp); + + /* POSTCOMP. */ + for (j = 0; j < 5 * 4; j += 4) { + tmp = nvkm_rd32(device, 0x616140 + (id * 0x800) + j); + nvkm_wr32(device, 0x640680 + (id * 0x20) + j, tmp); + } + } + + /* Window capabilities. */ + for (i = 0; i < disp->wndw.nr; i++) { + nvkm_mask(device, 0x640004, 1 << i, 1 << i); + for (j = 0; j < 6 * 4; j += 4) { + tmp = nvkm_rd32(device, 0x630100 + (i * 0x800) + j); + nvkm_mask(device, 0x640780 + (i * 0x20) + j, 0xffffffff, tmp); + } + nvkm_mask(device, 0x64000c, 0x00000100, 0x00000100); + } + + /* IHUB capabilities. */ + for (i = 0; i < 3; i++) { + tmp = nvkm_rd32(device, 0x62e000 + (i * 0x04)); + nvkm_wr32(device, 0x640010 + (i * 0x04), tmp); + } + + nvkm_mask(device, 0x610078, 0x00000001, 0x00000001); + + /* Setup instance memory. */ + switch (nvkm_memory_target(disp->inst->memory)) { + case NVKM_MEM_TARGET_VRAM: tmp = 0x00000001; break; + case NVKM_MEM_TARGET_NCOH: tmp = 0x00000002; break; + case NVKM_MEM_TARGET_HOST: tmp = 0x00000003; break; + default: + break; + } + nvkm_wr32(device, 0x610010, 0x00000008 | tmp); + nvkm_wr32(device, 0x610014, disp->inst->addr >> 16); + + /* CTRL_DISP: AWAKEN, ERROR, SUPERVISOR[1-3]. */ + nvkm_wr32(device, 0x611cf0, 0x00000187); /* MSK. */ + nvkm_wr32(device, 0x611db0, 0x00000187); /* EN. */ + + /* EXC_OTHER: CURSn, CORE. */ + nvkm_wr32(device, 0x611cec, disp->head.mask << 16 | + 0x00000001); /* MSK. */ + nvkm_wr32(device, 0x611dac, 0x00000000); /* EN. */ + + /* EXC_WINIM. */ + nvkm_wr32(device, 0x611ce8, disp->wndw.mask); /* MSK. */ + nvkm_wr32(device, 0x611da8, 0x00000000); /* EN. */ + + /* EXC_WIN. */ + nvkm_wr32(device, 0x611ce4, disp->wndw.mask); /* MSK. */ + nvkm_wr32(device, 0x611da4, 0x00000000); /* EN. */ + + /* HEAD_TIMING(n): VBLANK. */ + list_for_each_entry(head, &disp->base.head, head) { + const u32 hoff = head->id * 4; + nvkm_wr32(device, 0x611cc0 + hoff, 0x00000004); /* MSK. */ + nvkm_wr32(device, 0x611d80 + hoff, 0x00000000); /* EN. */ + } + + /* OR. */ + nvkm_wr32(device, 0x611cf4, 0x00000000); /* MSK. */ + nvkm_wr32(device, 0x611db4, 0x00000000); /* EN. */ + return 0; +} + +static const struct nv50_disp_func +tu104_disp = { + .init = tu104_disp_init, + .fini = gv100_disp_fini, + .intr = gv100_disp_intr, + .uevent = &gv100_disp_chan_uevent, + .super = gv100_disp_super, + .root = &tu104_disp_root_oclass, + .wndw = { .cnt = gv100_disp_wndw_cnt }, + .head = { .cnt = gv100_head_cnt, .new = gv100_head_new }, + .sor = { .cnt = gv100_sor_cnt, .new = tu104_sor_new }, + .ramht_size = 0x2000, +}; + +int +tu104_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp) +{ + return nv50_disp_new_(&tu104_disp, device, index, pdisp); +} |