/* * Copyright 2017 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 <bskeggs@redhat.com> */ #include "head.h" static void nv50_head_vblank_put(struct nvkm_head *head) { struct nvkm_device *device = head->disp->engine.subdev.device; nvkm_mask(device, 0x61002c, (4 << head->id), 0); } static void nv50_head_vblank_get(struct nvkm_head *head) { struct nvkm_device *device = head->disp->engine.subdev.device; nvkm_mask(device, 0x61002c, (4 << head->id), (4 << head->id)); } static void nv50_head_rgclk(struct nvkm_head *head, int div) { struct nvkm_device *device = head->disp->engine.subdev.device; nvkm_mask(device, 0x614200 + (head->id * 0x800), 0x0000000f, div); } void nv50_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline) { struct nvkm_device *device = head->disp->engine.subdev.device; const u32 hoff = head->id * 0x800; /* vline read locks hline. */ *vline = nvkm_rd32(device, 0x616340 + hoff) & 0x0000ffff; *hline = nvkm_rd32(device, 0x616344 + hoff) & 0x0000ffff; } static void nv50_head_state(struct nvkm_head *head, struct nvkm_head_state *state) { struct nvkm_device *device = head->disp->engine.subdev.device; const u32 hoff = head->id * 0x540 + (state == &head->arm) * 4; u32 data; data = nvkm_rd32(device, 0x610ae8 + hoff); state->vblanke = (data & 0xffff0000) >> 16; state->hblanke = (data & 0x0000ffff); data = nvkm_rd32(device, 0x610af0 + hoff); state->vblanks = (data & 0xffff0000) >> 16; state->hblanks = (data & 0x0000ffff); data = nvkm_rd32(device, 0x610af8 + hoff); state->vtotal = (data & 0xffff0000) >> 16; state->htotal = (data & 0x0000ffff); data = nvkm_rd32(device, 0x610b00 + hoff); state->vsynce = (data & 0xffff0000) >> 16; state->hsynce = (data & 0x0000ffff); state->hz = (nvkm_rd32(device, 0x610ad0 + hoff) & 0x003fffff) * 1000; } static const struct nvkm_head_func nv50_head = { .state = nv50_head_state, .rgpos = nv50_head_rgpos, .rgclk = nv50_head_rgclk, .vblank_get = nv50_head_vblank_get, .vblank_put = nv50_head_vblank_put, }; int nv50_head_new(struct nvkm_disp *disp, int id) { return nvkm_head_new_(&nv50_head, disp, id); } int nv50_head_cnt(struct nvkm_disp *disp, unsigned long *pmask) { *pmask = 3; return 2; } |