| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/smbus.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include <part/hard_reset.h> |
| #include <cpu/x86/msr.h> |
| #include "chip.h" |
| |
| #define ADM1027_REG_CONFIG1 0x40 |
| #define CFG1_STRT 0x01 |
| #define CFG1_LOCK 0x02 |
| #define CFG1_RDY 0x04 |
| #define CFG1_FSPD 0x08 |
| #define CFG1_VXI 0x10 |
| #define CFT1_FSPDIS 0x20 |
| #define CFG1_TODIS 0x40 |
| #define CFG1_VCC 0x80 |
| #define ADM1027_REG_CONFIG2 0x73 |
| #define ADM1027_REG_CONFIG3 0x78 |
| |
| static void adm1027_enable_monitoring(device_t dev) |
| { |
| int result; |
| |
| result = smbus_read_byte(dev, ADM1027_REG_CONFIG1); |
| |
| if (!(result & CFG1_RDY)) { |
| printk_debug("ADM1027: monitoring not ready\r\n"); |
| return; |
| } |
| result = (result | CFG1_STRT); |
| result = smbus_write_byte(dev, ADM1027_REG_CONFIG1, result); |
| |
| result = smbus_read_byte(dev, ADM1027_REG_CONFIG1); |
| if (!(result & CFG1_STRT)) { |
| printk_debug("ADM1027: monitoring would not enable\r\n"); |
| } |
| printk_debug("ADM1027: monitoring enabled\r\n"); |
| } |
| |
| static void adm1027_init(device_t dev) |
| { |
| if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) { |
| if (ops_smbus_bus(get_pbus_smbus(dev))) { |
| if (dev->bus->dev->path.type == DEVICE_PATH_I2C) |
| smbus_set_link(dev); // it is under mux |
| adm1027_enable_monitoring(dev); |
| } |
| |
| } |
| } |
| |
| static void adm1027_noop(device_t dummy) |
| { |
| } |
| |
| static struct device_operations adm1027_operations = { |
| .read_resources = adm1027_noop, |
| .set_resources = adm1027_noop, |
| .enable_resources = adm1027_noop, |
| .init = adm1027_init, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| dev->ops = &adm1027_operations; |
| } |
| |
| struct chip_operations drivers_i2c_adm1027_ops = { |
| CHIP_NAME("adm1027") |
| .enable_dev = enable_dev, |
| }; |