From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c | 119 +++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c

(limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c')

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c
new file mode 100644
index 000000000..09fc4605e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2012 Nouveau community
+ *
+ * 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: Martin Peres
+ */
+#include "priv.h"
+
+#include <subdev/bios/extdev.h>
+#include <subdev/i2c.h>
+
+static bool
+probe_monitoring_device(struct nvkm_i2c_port *i2c,
+			struct i2c_board_info *info, void *data)
+{
+	struct nvkm_therm_priv *priv = data;
+	struct nvbios_therm_sensor *sensor = &priv->bios_sensor;
+	struct i2c_client *client;
+
+	request_module("%s%s", I2C_MODULE_PREFIX, info->type);
+
+	client = i2c_new_device(&i2c->adapter, info);
+	if (!client)
+		return false;
+
+	if (!client->dev.driver ||
+	    to_i2c_driver(client->dev.driver)->detect(client, info)) {
+		i2c_unregister_device(client);
+		return false;
+	}
+
+	nv_info(priv,
+		"Found an %s at address 0x%x (controlled by lm_sensors, "
+		"temp offset %+i C)\n",
+		info->type, info->addr, sensor->offset_constant);
+	priv->ic = client;
+	return true;
+}
+
+static struct nvkm_i2c_board_info
+nv_board_infos[] = {
+	{ { I2C_BOARD_INFO("w83l785ts", 0x2d) }, 0 },
+	{ { I2C_BOARD_INFO("w83781d", 0x2d) }, 0  },
+	{ { I2C_BOARD_INFO("adt7473", 0x2e) }, 40  },
+	{ { I2C_BOARD_INFO("adt7473", 0x2d) }, 40  },
+	{ { I2C_BOARD_INFO("adt7473", 0x2c) }, 40  },
+	{ { I2C_BOARD_INFO("f75375", 0x2e) }, 0  },
+	{ { I2C_BOARD_INFO("lm99", 0x4c) }, 0  },
+	{ { I2C_BOARD_INFO("lm90", 0x4c) }, 0  },
+	{ { I2C_BOARD_INFO("lm90", 0x4d) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x18) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x19) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x1a) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x29) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x2a) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x2b) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x4c) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x4d) }, 0  },
+	{ { I2C_BOARD_INFO("adm1021", 0x4e) }, 0  },
+	{ { I2C_BOARD_INFO("lm63", 0x18) }, 0  },
+	{ { I2C_BOARD_INFO("lm63", 0x4e) }, 0  },
+	{ }
+};
+
+void
+nvkm_therm_ic_ctor(struct nvkm_therm *therm)
+{
+	struct nvkm_therm_priv *priv = (void *)therm;
+	struct nvkm_bios *bios = nvkm_bios(therm);
+	struct nvkm_i2c *i2c = nvkm_i2c(therm);
+	struct nvbios_extdev_func extdev_entry;
+
+	if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) {
+		struct nvkm_i2c_board_info board[] = {
+		  { { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, 0},
+		  { }
+		};
+
+		i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
+			      board, probe_monitoring_device, therm);
+		if (priv->ic)
+			return;
+	}
+
+	if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) {
+		struct nvkm_i2c_board_info board[] = {
+		  { { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, 20 },
+		  { }
+		};
+
+		i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
+			      board, probe_monitoring_device, therm);
+		if (priv->ic)
+			return;
+	}
+
+	/* The vbios doesn't provide the address of an exisiting monitoring
+	   device. Let's try our static list.
+	 */
+	i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
+		      nv_board_infos, probe_monitoring_device, therm);
+}
-- 
cgit v1.2.3-54-g00ecf