| 1 | /* $NetBSD: nouveau_engine_disp_hdanvd0.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_hdanvd0.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/bios/dp.h> |
| 36 | #include <subdev/bios/init.h> |
| 37 | |
| 38 | #include "nv50.h" |
| 39 | |
| 40 | int |
| 41 | nvd0_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size) |
| 42 | { |
| 43 | const u32 soff = (or * 0x030); |
| 44 | int i; |
| 45 | |
| 46 | if (data && data[0]) { |
| 47 | for (i = 0; i < size; i++) |
| 48 | nv_wr32(priv, 0x10ec00 + soff, (i << 8) | data[i]); |
| 49 | for (; i < 0x60; i++) |
| 50 | nv_wr32(priv, 0x10ec00 + soff, (i << 8)); |
| 51 | nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003); |
| 52 | } else |
| 53 | if (data) { |
| 54 | nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000001); |
| 55 | } else { |
| 56 | nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000000); |
| 57 | } |
| 58 | |
| 59 | return 0; |
| 60 | } |
| 61 | |