cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/subdev/therm/gt215.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 "priv.h"

#include <subdev/gpio.h>


int gt215_therm_fan_sense(struct nvkm_therm *therm) { struct nvkm_device *device = therm->subdev.device; u32 tach = nvkm_rd32(device, 0x00e728) & 0x0000ffff; u32 ctrl = nvkm_rd32(device, 0x00e720); if (ctrl & 0x00000001) return tach * 60 / 2; return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs5896.67%375.00%
Martin Peres23.33%125.00%
Total60100.00%4100.00%


static void gt215_therm_init(struct nvkm_therm *therm) { struct nvkm_device *device = therm->subdev.device; struct dcb_gpio_func *tach = &therm->fan->tach; g84_sensor_setup(therm); /* enable fan tach, count revolutions per-second */ nvkm_mask(device, 0x00e720, 0x00000003, 0x00000002); if (tach->func != DCB_GPIO_UNUSED) { nvkm_wr32(device, 0x00e724, device->crystal * 1000); nvkm_mask(device, 0x00e720, 0x001f0000, tach->line << 16); nvkm_mask(device, 0x00e720, 0x00000001, 0x00000001); } nvkm_mask(device, 0x00e720, 0x00000002, 0x00000000); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs10897.30%685.71%
Martin Peres32.70%114.29%
Total111100.00%7100.00%

static const struct nvkm_therm_func gt215_therm = { .init = gt215_therm_init, .fini = g84_therm_fini, .pwm_ctrl = nv50_fan_pwm_ctrl, .pwm_get = nv50_fan_pwm_get, .pwm_set = nv50_fan_pwm_set, .pwm_clock = nv50_fan_pwm_clock, .temp_get = g84_temp_get, .fan_sense = gt215_therm_fan_sense, .program_alarms = nvkm_therm_program_alarms_polling, };
int gt215_therm_new(struct nvkm_device *device, int index, struct nvkm_therm **ptherm) { return nvkm_therm_new_(&gt215_therm, device, index, ptherm); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs32100.00%3100.00%
Total32100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs25596.96%666.67%
Martin Peres83.04%333.33%
Total263100.00%9100.00%
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