| 1 | /* $NetBSD: nouveau_engine_disp_sornv50.c,v 1.1.1.1 2014/08/06 12:36:24 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2012 Red Hat Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: Ben Skeggs |
| 25 | */ |
| 26 | |
| 27 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_disp_sornv50.c,v 1.1.1.1 2014/08/06 12:36:24 riastradh Exp $" ); |
| 29 | |
| 30 | #include <core/os.h> |
| 31 | #include <core/class.h> |
| 32 | |
| 33 | #include <subdev/bios.h> |
| 34 | #include <subdev/bios/dcb.h> |
| 35 | #include <subdev/timer.h> |
| 36 | |
| 37 | #include "nv50.h" |
| 38 | |
| 39 | int |
| 40 | nv50_sor_power(struct nv50_disp_priv *priv, int or, u32 data) |
| 41 | { |
| 42 | const u32 stat = data & NV50_DISP_SOR_PWR_STATE; |
| 43 | const u32 soff = (or * 0x800); |
| 44 | nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); |
| 45 | nv_mask(priv, 0x61c004 + soff, 0x80000001, 0x80000000 | stat); |
| 46 | nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); |
| 47 | nv_wait(priv, 0x61c030 + soff, 0x10000000, 0x00000000); |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | int |
| 52 | nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) |
| 53 | { |
| 54 | struct nv50_disp_priv *priv = (void *)object->engine; |
| 55 | const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3; |
| 56 | const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR); |
| 57 | u32 data; |
| 58 | int ret = -EINVAL; |
| 59 | |
| 60 | if (size < sizeof(u32)) |
| 61 | return -EINVAL; |
| 62 | data = *(u32 *)args; |
| 63 | |
| 64 | |
| 65 | switch (mthd & ~0x3f) { |
| 66 | case NV50_DISP_SOR_PWR: |
| 67 | ret = priv->sor.power(priv, or, data); |
| 68 | break; |
| 69 | case NVA3_DISP_SOR_HDA_ELD: |
| 70 | ret = priv->sor.hda_eld(priv, or, args, size); |
| 71 | break; |
| 72 | case NV84_DISP_SOR_HDMI_PWR: |
| 73 | ret = priv->sor.hdmi(priv, head, or, data); |
| 74 | break; |
| 75 | case NV50_DISP_SOR_LVDS_SCRIPT: |
| 76 | priv->sor.lvdsconf = data & NV50_DISP_SOR_LVDS_SCRIPT_ID; |
| 77 | ret = 0; |
| 78 | break; |
| 79 | default: |
| 80 | BUG_ON(1); |
| 81 | } |
| 82 | |
| 83 | return ret; |
| 84 | } |
| 85 | |