diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c new file mode 100644 index 000000000000..373dbcc523b2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c @@ -0,0 +1,48 @@ +/* + * 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 "nv50.h" + +int +nva3_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size) +{ + const u32 soff = (or * 0x800); + int i; + + if (data && data[0]) { + for (i = 0; i < size; i++) + nv_wr32(priv, 0x61c440 + soff, (i << 8) | data[i]); + nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000003); + } else + if (data) { + nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000001); + } else { + nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000000); + } + + return 0; +} |