1/* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 25#include <core/client.h> 26#include <nvif/unpack.h> 27#include <nvif/class.h> 28 29#include <subdev/bios.h> 30#include <subdev/bios/dcb.h> 31#include <subdev/timer.h> 32 33#include "nv50.h" 34 35int 36nv50_sor_power(NV50_DISP_MTHD_V1) 37{ 38 union { 39 struct nv50_disp_sor_pwr_v0 v0; 40 } *args = data; 41 const u32 soff = outp->or * 0x800; 42 u32 stat; 43 int ret; 44 45 nv_ioctl(object, "disp sor pwr size %d\n", size); 46 if (nvif_unpack(args->v0, 0, 0, false)) { 47 nv_ioctl(object, "disp sor pwr vers %d state %d\n", 48 args->v0.version, args->v0.state); 49 stat = !!args->v0.state; 50 } else 51 return ret; 52 53 nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); 54 nv_mask(priv, 0x61c004 + soff, 0x80000001, 0x80000000 | stat); 55 nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); 56 nv_wait(priv, 0x61c030 + soff, 0x10000000, 0x00000000); 57 return 0; 58} 59