Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 204 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c
new file mode 100644
index 000000000..c13fee973
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c
@@ -0,0 +1,204 @@
+/*
+ * 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
+ * 	    Martin Peres
+ */
+#include "priv.h"
+
+enum nv40_sensor_style { INVALID_STYLE = -1, OLD_STYLE = 0, NEW_STYLE = 1 };
+
+static enum nv40_sensor_style
+nv40_sensor_style(struct nvkm_therm *therm)
+{
+	switch (therm->subdev.device->chipset) {
+	case 0x43:
+	case 0x44:
+	case 0x4a:
+	case 0x47:
+		return OLD_STYLE;
+	case 0x46:
+	case 0x49:
+	case 0x4b:
+	case 0x4e:
+	case 0x4c:
+	case 0x67:
+	case 0x68:
+	case 0x63:
+		return NEW_STYLE;
+	default:
+		return INVALID_STYLE;
+	}
+}
+
+static int
+nv40_sensor_setup(struct nvkm_therm *therm)
+{
+	struct nvkm_device *device = therm->subdev.device;
+	enum nv40_sensor_style style = nv40_sensor_style(therm);
+
+	/* enable ADC readout and disable the ALARM threshold */
+	if (style == NEW_STYLE) {
+		nvkm_mask(device, 0x15b8, 0x80000000, 0);
+		nvkm_wr32(device, 0x15b0, 0x80003fff);
+		mdelay(20); /* wait for the temperature to stabilize */
+		return nvkm_rd32(device, 0x15b4) & 0x3fff;
+	} else if (style == OLD_STYLE) {
+		nvkm_wr32(device, 0x15b0, 0xff);
+		mdelay(20); /* wait for the temperature to stabilize */
+		return nvkm_rd32(device, 0x15b4) & 0xff;
+	} else
+		return -ENODEV;
+}
+
+static int
+nv40_temp_get(struct nvkm_therm *therm)
+{
+	struct nvkm_device *device = therm->subdev.device;
+	struct nvbios_therm_sensor *sensor = &therm->bios_sensor;
+	enum nv40_sensor_style style = nv40_sensor_style(therm);
+	int core_temp;
+
+	if (style == NEW_STYLE) {
+		nvkm_wr32(device, 0x15b0, 0x80003fff);
+		core_temp = nvkm_rd32(device, 0x15b4) & 0x3fff;
+	} else if (style == OLD_STYLE) {
+		nvkm_wr32(device, 0x15b0, 0xff);
+		core_temp = nvkm_rd32(device, 0x15b4) & 0xff;
+	} else
+		return -ENODEV;
+
+	/* if the slope or the offset is unset, do no use the sensor */
+	if (!sensor->slope_div || !sensor->slope_mult ||
+	    !sensor->offset_num || !sensor->offset_den)
+	    return -ENODEV;
+
+	core_temp = core_temp * sensor->slope_mult / sensor->slope_div;
+	core_temp = core_temp + sensor->offset_num / sensor->offset_den;
+	core_temp = core_temp + sensor->offset_constant - 8;
+
+	/* reserve negative temperatures for errors */
+	if (core_temp < 0)
+		core_temp = 0;
+
+	return core_temp;
+}
+
+static int
+nv40_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable)
+{
+	struct nvkm_subdev *subdev = &therm->subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 mask = enable ? 0x80000000 : 0x00000000;
+	if      (line == 2) nvkm_mask(device, 0x0010f0, 0x80000000, mask);
+	else if (line == 9) nvkm_mask(device, 0x0015f4, 0x80000000, mask);
+	else {
+		nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", line);
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static int
+nv40_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty)
+{
+	struct nvkm_subdev *subdev = &therm->subdev;
+	struct nvkm_device *device = subdev->device;
+	if (line == 2) {
+		u32 reg = nvkm_rd32(device, 0x0010f0);
+		if (reg & 0x80000000) {
+			*duty = (reg & 0x7fff0000) >> 16;
+			*divs = (reg & 0x00007fff);
+			return 0;
+		}
+	} else
+	if (line == 9) {
+		u32 reg = nvkm_rd32(device, 0x0015f4);
+		if (reg & 0x80000000) {
+			*divs = nvkm_rd32(device, 0x0015f8);
+			*duty = (reg & 0x7fffffff);
+			return 0;
+		}
+	} else {
+		nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", line);
+		return -ENODEV;
+	}
+
+	return -EINVAL;
+}
+
+static int
+nv40_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty)
+{
+	struct nvkm_subdev *subdev = &therm->subdev;
+	struct nvkm_device *device = subdev->device;
+	if (line == 2) {
+		nvkm_mask(device, 0x0010f0, 0x7fff7fff, (duty << 16) | divs);
+	} else
+	if (line == 9) {
+		nvkm_wr32(device, 0x0015f8, divs);
+		nvkm_mask(device, 0x0015f4, 0x7fffffff, duty);
+	} else {
+		nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", line);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+void
+nv40_therm_intr(struct nvkm_therm *therm)
+{
+	struct nvkm_subdev *subdev = &therm->subdev;
+	struct nvkm_device *device = subdev->device;
+	uint32_t stat = nvkm_rd32(device, 0x1100);
+
+	/* traitement */
+
+	/* ack all IRQs */
+	nvkm_wr32(device, 0x1100, 0x70000);
+
+	nvkm_error(subdev, "THERM received an IRQ: stat = %x\n", stat);
+}
+
+static void
+nv40_therm_init(struct nvkm_therm *therm)
+{
+	nv40_sensor_setup(therm);
+}
+
+static const struct nvkm_therm_func
+nv40_therm = {
+	.init = nv40_therm_init,
+	.intr = nv40_therm_intr,
+	.pwm_ctrl = nv40_fan_pwm_ctrl,
+	.pwm_get = nv40_fan_pwm_get,
+	.pwm_set = nv40_fan_pwm_set,
+	.temp_get = nv40_temp_get,
+	.program_alarms = nvkm_therm_program_alarms_polling,
+};
+
+int
+nv40_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	       struct nvkm_therm **ptherm)
+{
+	return nvkm_therm_new_(&nv40_therm, device, type, inst, ptherm);
+}