| /* |
| * 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 <core/os.h> |
| #include <core/class.h> |
| |
| #include <subdev/bios.h> |
| #include <subdev/bios/dcb.h> |
| #include <subdev/timer.h> |
| |
| #include "nv50.h" |
| |
| int |
| nv50_sor_power(struct nv50_disp_priv *priv, int or, u32 data) |
| { |
| const u32 stat = data & NV50_DISP_SOR_PWR_STATE; |
| const u32 soff = (or * 0x800); |
| nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); |
| nv_mask(priv, 0x61c004 + soff, 0x80000001, 0x80000000 | stat); |
| nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); |
| nv_wait(priv, 0x61c030 + soff, 0x10000000, 0x00000000); |
| return 0; |
| } |
| |
| int |
| nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) |
| { |
| struct nv50_disp_priv *priv = (void *)object->engine; |
| struct nouveau_bios *bios = nouveau_bios(priv); |
| const u16 type = (mthd & NV50_DISP_SOR_MTHD_TYPE) >> 12; |
| const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3; |
| const u8 link = (mthd & NV50_DISP_SOR_MTHD_LINK) >> 2; |
| const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR); |
| const u16 mask = (0x0100 << head) | (0x0040 << link) | (0x0001 << or); |
| struct dcb_output outp; |
| u8 ver, hdr; |
| u32 data; |
| int ret = -EINVAL; |
| |
| if (size < sizeof(u32)) |
| return -EINVAL; |
| data = *(u32 *)args; |
| |
| if (type && !dcb_outp_match(bios, type, mask, &ver, &hdr, &outp)) |
| return -ENODEV; |
| |
| switch (mthd & ~0x3f) { |
| case NV50_DISP_SOR_PWR: |
| ret = priv->sor.power(priv, or, data); |
| break; |
| case NVA3_DISP_SOR_HDA_ELD: |
| ret = priv->sor.hda_eld(priv, or, args, size); |
| break; |
| case NV84_DISP_SOR_HDMI_PWR: |
| ret = priv->sor.hdmi(priv, head, or, data); |
| break; |
| case NV50_DISP_SOR_LVDS_SCRIPT: |
| priv->sor.lvdsconf = data & NV50_DISP_SOR_LVDS_SCRIPT_ID; |
| ret = 0; |
| break; |
| default: |
| BUG_ON(1); |
| } |
| |
| return ret; |
| } |