Release 4.11 drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf119.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"
static int
pwm_info(struct nvkm_therm *therm, int line)
{
struct nvkm_subdev *subdev = &therm->subdev;
struct nvkm_device *device = subdev->device;
u32 gpio = nvkm_rd32(device, 0x00d610 + (line * 0x04));
switch (gpio & 0x000000c0) {
case 0x00000000: /* normal mode, possibly pwm forced off by us */
case 0x00000040: /* nvio special */
switch (gpio & 0x0000001f) {
case 0x00: return 2;
case 0x19: return 1;
case 0x1c: return 0;
case 0x1e: return 2;
default:
break;
}
default:
break;
}
nvkm_error(subdev, "GPIO %d unknown PWM: %08x\n", line, gpio);
return -ENODEV;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 104 | 89.66% | 5 | 71.43% |
| Martin Peres | 12 | 10.34% | 2 | 28.57% |
| Total | 116 | 100.00% | 7 | 100.00% |
static int
gf119_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)
{
struct nvkm_device *device = therm->subdev.device;
u32 data = enable ? 0x00000040 : 0x00000000;
int indx = pwm_info(therm, line);
if (indx < 0)
return indx;
else if (indx < 2)
nvkm_mask(device, 0x00d610 + (line * 0x04), 0x000000c0, data);
/* nothing to do for indx == 2, it seems hardwired to PTHERM */
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 76 | 90.48% | 5 | 83.33% |
| Martin Peres | 8 | 9.52% | 1 | 16.67% |
| Total | 84 | 100.00% | 6 | 100.00% |
static int
gf119_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
{
struct nvkm_device *device = therm->subdev.device;
int indx = pwm_info(therm, line);
if (indx < 0)
return indx;
else if (indx < 2) {
if (nvkm_rd32(device, 0x00d610 + (line * 0x04)) & 0x00000040) {
*divs = nvkm_rd32(device, 0x00e114 + (indx * 8));
*duty = nvkm_rd32(device, 0x00e118 + (indx * 8));
return 0;
}
} else if (indx == 2) {
*divs = nvkm_rd32(device, 0x0200d8) & 0x1fff;
*duty = nvkm_rd32(device, 0x0200dc) & 0x1fff;
return 0;
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 114 | 73.55% | 5 | 83.33% |
| Martin Peres | 41 | 26.45% | 1 | 16.67% |
| Total | 155 | 100.00% | 6 | 100.00% |
static int
gf119_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
{
struct nvkm_device *device = therm->subdev.device;
int indx = pwm_info(therm, line);
if (indx < 0)
return indx;
else if (indx < 2) {
nvkm_wr32(device, 0x00e114 + (indx * 8), divs);
nvkm_wr32(device, 0x00e118 + (indx * 8), duty | 0x80000000);
} else if (indx == 2) {
nvkm_mask(device, 0x0200d8, 0x1fff, divs); /* keep the high bits */
nvkm_wr32(device, 0x0200dc, duty | 0x40000000);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 89 | 70.63% | 4 | 80.00% |
| Martin Peres | 37 | 29.37% | 1 | 20.00% |
| Total | 126 | 100.00% | 5 | 100.00% |
static int
gf119_fan_pwm_clock(struct nvkm_therm *therm, int line)
{
struct nvkm_device *device = therm->subdev.device;
int indx = pwm_info(therm, line);
if (indx < 0)
return 0;
else if (indx < 2)
return (device->crystal * 1000) / 20;
else
return device->crystal * 1000 / 10;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Martin Peres | 38 | 52.78% | 1 | 20.00% |
| Ben Skeggs | 34 | 47.22% | 4 | 80.00% |
| Total | 72 | 100.00% | 5 | 100.00% |
void
gf119_therm_init(struct nvkm_therm *therm)
{
struct nvkm_device *device = therm->subdev.device;
g84_sensor_setup(therm);
/* enable fan tach, count revolutions per-second */
nvkm_mask(device, 0x00e720, 0x00000003, 0x00000002);
if (therm->fan->tach.func != DCB_GPIO_UNUSED) {
nvkm_mask(device, 0x00d79c, 0x000000ff, therm->fan->tach.line);
nvkm_wr32(device, 0x00e724, device->crystal * 1000);
nvkm_mask(device, 0x00e720, 0x00000001, 0x00000001);
}
nvkm_mask(device, 0x00e720, 0x00000002, 0x00000000);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 104 | 100.00% | 5 | 100.00% |
| Total | 104 | 100.00% | 5 | 100.00% |
static const struct nvkm_therm_func
gf119_therm = {
.init = gf119_therm_init,
.fini = g84_therm_fini,
.pwm_ctrl = gf119_fan_pwm_ctrl,
.pwm_get = gf119_fan_pwm_get,
.pwm_set = gf119_fan_pwm_set,
.pwm_clock = gf119_fan_pwm_clock,
.temp_get = g84_temp_get,
.fan_sense = gt215_therm_fan_sense,
.program_alarms = nvkm_therm_program_alarms_polling,
};
int
gf119_therm_new(struct nvkm_device *device, int index,
struct nvkm_therm **ptherm)
{
return nvkm_therm_new_(&gf119_therm, device, index, ptherm);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 32 | 100.00% | 3 | 100.00% |
| Total | 32 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 607 | 81.37% | 10 | 76.92% |
| Martin Peres | 139 | 18.63% | 3 | 23.08% |
| Total | 746 | 100.00% | 13 | 100.00% |
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