| 1 | /* $NetBSD: nouveau_subdev_therm_ic.c,v 1.2 2015/02/25 22:12:00 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2012 Nouveau community |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: Martin Peres |
| 25 | */ |
| 26 | |
| 27 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_therm_ic.c,v 1.2 2015/02/25 22:12:00 riastradh Exp $" ); |
| 29 | |
| 30 | #include "priv.h" |
| 31 | |
| 32 | #include <subdev/i2c.h> |
| 33 | #include <subdev/bios/extdev.h> |
| 34 | |
| 35 | static bool |
| 36 | probe_monitoring_device(struct nouveau_i2c_port *i2c, |
| 37 | struct i2c_board_info *info, void *data) |
| 38 | { |
| 39 | #ifdef __NetBSD__ |
| 40 | return false; |
| 41 | #else |
| 42 | struct nouveau_therm_priv *priv = data; |
| 43 | struct nvbios_therm_sensor *sensor = &priv->bios_sensor; |
| 44 | struct i2c_client *client; |
| 45 | |
| 46 | request_module("%s%s" , I2C_MODULE_PREFIX, info->type); |
| 47 | |
| 48 | client = i2c_new_device(&i2c->adapter, info); |
| 49 | if (!client) |
| 50 | return false; |
| 51 | |
| 52 | if (!client->dev.driver || |
| 53 | to_i2c_driver(client->dev.driver)->detect(client, info)) { |
| 54 | i2c_unregister_device(client); |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | nv_info(priv, |
| 59 | "Found an %s at address 0x%x (controlled by lm_sensors, " |
| 60 | "temp offset %+i C)\n" , |
| 61 | info->type, info->addr, sensor->offset_constant); |
| 62 | priv->ic = client; |
| 63 | |
| 64 | return true; |
| 65 | #endif |
| 66 | } |
| 67 | |
| 68 | static struct nouveau_i2c_board_info |
| 69 | nv_board_infos[] = { |
| 70 | { { I2C_BOARD_INFO("w83l785ts" , 0x2d) }, 0 }, |
| 71 | { { I2C_BOARD_INFO("w83781d" , 0x2d) }, 0 }, |
| 72 | { { I2C_BOARD_INFO("adt7473" , 0x2e) }, 20 }, |
| 73 | { { I2C_BOARD_INFO("adt7473" , 0x2d) }, 20 }, |
| 74 | { { I2C_BOARD_INFO("adt7473" , 0x2c) }, 20 }, |
| 75 | { { I2C_BOARD_INFO("f75375" , 0x2e) }, 0 }, |
| 76 | { { I2C_BOARD_INFO("lm99" , 0x4c) }, 0 }, |
| 77 | { { I2C_BOARD_INFO("lm90" , 0x4c) }, 0 }, |
| 78 | { { I2C_BOARD_INFO("lm90" , 0x4d) }, 0 }, |
| 79 | { { I2C_BOARD_INFO("adm1021" , 0x18) }, 0 }, |
| 80 | { { I2C_BOARD_INFO("adm1021" , 0x19) }, 0 }, |
| 81 | { { I2C_BOARD_INFO("adm1021" , 0x1a) }, 0 }, |
| 82 | { { I2C_BOARD_INFO("adm1021" , 0x29) }, 0 }, |
| 83 | { { I2C_BOARD_INFO("adm1021" , 0x2a) }, 0 }, |
| 84 | { { I2C_BOARD_INFO("adm1021" , 0x2b) }, 0 }, |
| 85 | { { I2C_BOARD_INFO("adm1021" , 0x4c) }, 0 }, |
| 86 | { { I2C_BOARD_INFO("adm1021" , 0x4d) }, 0 }, |
| 87 | { { I2C_BOARD_INFO("adm1021" , 0x4e) }, 0 }, |
| 88 | { { I2C_BOARD_INFO("lm63" , 0x18) }, 0 }, |
| 89 | { { I2C_BOARD_INFO("lm63" , 0x4e) }, 0 }, |
| 90 | { } |
| 91 | }; |
| 92 | |
| 93 | void |
| 94 | nouveau_therm_ic_ctor(struct nouveau_therm *therm) |
| 95 | { |
| 96 | struct nouveau_therm_priv *priv = (void *)therm; |
| 97 | struct nouveau_bios *bios = nouveau_bios(therm); |
| 98 | struct nouveau_i2c *i2c = nouveau_i2c(therm); |
| 99 | struct nvbios_extdev_func extdev_entry; |
| 100 | |
| 101 | if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) { |
| 102 | struct nouveau_i2c_board_info board[] = { |
| 103 | { { I2C_BOARD_INFO("lm90" , extdev_entry.addr >> 1) }, 0}, |
| 104 | { } |
| 105 | }; |
| 106 | |
| 107 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device" , |
| 108 | board, probe_monitoring_device, therm); |
| 109 | if (priv->ic) |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) { |
| 114 | struct nouveau_i2c_board_info board[] = { |
| 115 | { { I2C_BOARD_INFO("adt7473" , extdev_entry.addr >> 1) }, 20 }, |
| 116 | { } |
| 117 | }; |
| 118 | |
| 119 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device" , |
| 120 | board, probe_monitoring_device, therm); |
| 121 | if (priv->ic) |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | /* The vbios doesn't provide the address of an exisiting monitoring |
| 126 | device. Let's try our static list. |
| 127 | */ |
| 128 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device" , |
| 129 | nv_board_infos, probe_monitoring_device, therm); |
| 130 | } |
| 131 | |