| /* |
| * 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 "nv50.h" |
| #include "outp.h" |
| |
| #include <core/client.h> |
| #include <subdev/timer.h> |
| |
| #include <nvif/cl5070.h> |
| #include <nvif/unpack.h> |
| |
| int |
| nv50_dac_power(NV50_DISP_MTHD_V1) |
| { |
| struct nvkm_device *device = disp->base.engine.subdev.device; |
| const u32 doff = outp->or * 0x800; |
| union { |
| struct nv50_disp_dac_pwr_v0 v0; |
| } *args = data; |
| u32 stat; |
| int ret = -ENOSYS; |
| |
| nvif_ioctl(object, "disp dac pwr size %d\n", size); |
| if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { |
| nvif_ioctl(object, "disp dac pwr vers %d state %d data %d " |
| "vsync %d hsync %d\n", |
| args->v0.version, args->v0.state, args->v0.data, |
| args->v0.vsync, args->v0.hsync); |
| stat = 0x00000040 * !args->v0.state; |
| stat |= 0x00000010 * !args->v0.data; |
| stat |= 0x00000004 * !args->v0.vsync; |
| stat |= 0x00000001 * !args->v0.hsync; |
| } else |
| return ret; |
| |
| nvkm_msec(device, 2000, |
| if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000)) |
| break; |
| ); |
| nvkm_mask(device, 0x61a004 + doff, 0xc000007f, 0x80000000 | stat); |
| nvkm_msec(device, 2000, |
| if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000)) |
| break; |
| ); |
| return 0; |
| } |
| |
| int |
| nv50_dac_sense(NV50_DISP_MTHD_V1) |
| { |
| struct nvkm_subdev *subdev = &disp->base.engine.subdev; |
| struct nvkm_device *device = subdev->device; |
| union { |
| struct nv50_disp_dac_load_v0 v0; |
| } *args = data; |
| const u32 doff = outp->or * 0x800; |
| u32 loadval; |
| int ret = -ENOSYS; |
| |
| nvif_ioctl(object, "disp dac load size %d\n", size); |
| if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { |
| nvif_ioctl(object, "disp dac load vers %d data %08x\n", |
| args->v0.version, args->v0.data); |
| if (args->v0.data & 0xfff00000) |
| return -EINVAL; |
| loadval = args->v0.data; |
| } else |
| return ret; |
| |
| nvkm_mask(device, 0x61a004 + doff, 0x807f0000, 0x80150000); |
| nvkm_msec(device, 2000, |
| if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000)) |
| break; |
| ); |
| |
| nvkm_wr32(device, 0x61a00c + doff, 0x00100000 | loadval); |
| mdelay(9); |
| udelay(500); |
| loadval = nvkm_mask(device, 0x61a00c + doff, 0xffffffff, 0x00000000); |
| |
| nvkm_mask(device, 0x61a004 + doff, 0x807f0000, 0x80550000); |
| nvkm_msec(device, 2000, |
| if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000)) |
| break; |
| ); |
| |
| nvkm_debug(subdev, "DAC%d sense: %08x\n", outp->or, loadval); |
| if (!(loadval & 0x80000000)) |
| return -ETIMEDOUT; |
| |
| args->v0.load = (loadval & 0x38000000) >> 27; |
| return 0; |
| } |
| |
| static const struct nvkm_output_func |
| nv50_dac_output_func = { |
| }; |
| |
| int |
| nv50_dac_output_new(struct nvkm_disp *disp, int index, |
| struct dcb_output *dcbE, struct nvkm_output **poutp) |
| { |
| return nvkm_output_new_(&nv50_dac_output_func, disp, |
| index, dcbE, poutp); |
| } |