cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c

/*
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs222100.00%6100.00%
Total222100.00%6100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs24287.05%981.82%
Emil Velikov3010.79%19.09%
Arnd Bergmann62.16%19.09%
Total278100.00%11100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs39100.00%1100.00%
Total39100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs53093.64%1386.67%
Emil Velikov305.30%16.67%
Arnd Bergmann61.06%16.67%
Total566100.00%15100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.