diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c new file mode 100644 index 0000000..ab1e918 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c @@ -0,0 +1,87 @@ +/* + * 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; +} |