131 lines · c
1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "priv.h"25#include "head.h"26 27#include <nvif/class.h>28 29static void30nv04_head_vblank_put(struct nvkm_head *head)31{32 struct nvkm_device *device = head->disp->engine.subdev.device;33 nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000000);34}35 36static void37nv04_head_vblank_get(struct nvkm_head *head)38{39 struct nvkm_device *device = head->disp->engine.subdev.device;40 nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000001);41}42 43static void44nv04_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline)45{46 struct nvkm_device *device = head->disp->engine.subdev.device;47 u32 data = nvkm_rd32(device, 0x600868 + (head->id * 0x2000));48 *hline = (data & 0xffff0000) >> 16;49 *vline = (data & 0x0000ffff);50}51 52static void53nv04_head_state(struct nvkm_head *head, struct nvkm_head_state *state)54{55 struct nvkm_device *device = head->disp->engine.subdev.device;56 const u32 hoff = head->id * 0x0200;57 state->vblanks = nvkm_rd32(device, 0x680800 + hoff) & 0x0000ffff;58 state->vtotal = nvkm_rd32(device, 0x680804 + hoff) & 0x0000ffff;59 state->vblanke = state->vtotal - 1;60 state->hblanks = nvkm_rd32(device, 0x680820 + hoff) & 0x0000ffff;61 state->htotal = nvkm_rd32(device, 0x680824 + hoff) & 0x0000ffff;62 state->hblanke = state->htotal - 1;63}64 65static const struct nvkm_head_func66nv04_head = {67 .state = nv04_head_state,68 .rgpos = nv04_head_rgpos,69 .vblank_get = nv04_head_vblank_get,70 .vblank_put = nv04_head_vblank_put,71};72 73static int74nv04_head_new(struct nvkm_disp *disp, int id)75{76 return nvkm_head_new_(&nv04_head, disp, id);77}78 79static void80nv04_disp_intr(struct nvkm_disp *disp)81{82 struct nvkm_subdev *subdev = &disp->engine.subdev;83 struct nvkm_device *device = subdev->device;84 u32 crtc0 = nvkm_rd32(device, 0x600100);85 u32 crtc1 = nvkm_rd32(device, 0x602100);86 u32 pvideo;87 88 if (crtc0 & 0x00000001) {89 nvkm_disp_vblank(disp, 0);90 nvkm_wr32(device, 0x600100, 0x00000001);91 }92 93 if (crtc1 & 0x00000001) {94 nvkm_disp_vblank(disp, 1);95 nvkm_wr32(device, 0x602100, 0x00000001);96 }97 98 if (device->chipset >= 0x10 && device->chipset <= 0x40) {99 pvideo = nvkm_rd32(device, 0x8100);100 if (pvideo & ~0x11)101 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);102 nvkm_wr32(device, 0x8100, pvideo);103 }104}105 106static const struct nvkm_disp_func107nv04_disp = {108 .intr = nv04_disp_intr,109 .root = { 0, 0, NV04_DISP },110 .user = { {} },111};112 113int114nv04_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,115 struct nvkm_disp **pdisp)116{117 int ret, i;118 119 ret = nvkm_disp_new_(&nv04_disp, device, type, inst, pdisp);120 if (ret)121 return ret;122 123 for (i = 0; i < 2; i++) {124 ret = nv04_head_new(*pdisp, i);125 if (ret)126 return ret;127 }128 129 return 0;130}131