summaryrefslogtreecommitdiff
path: root/src/drivers/i2c
diff options
context:
space:
mode:
Diffstat (limited to 'src/drivers/i2c')
-rw-r--r--src/drivers/i2c/adm1026/Config.lb2
-rw-r--r--src/drivers/i2c/adm1026/adm1026.c68
-rw-r--r--src/drivers/i2c/adm1026/chip.h4
-rw-r--r--src/drivers/i2c/adm1027/Config.lb2
-rw-r--r--src/drivers/i2c/adm1027/adm1027.c72
-rw-r--r--src/drivers/i2c/adm1027/chip.h4
-rw-r--r--src/drivers/i2c/i2cmux/Config.lb2
-rw-r--r--src/drivers/i2c/i2cmux/chip.h4
-rw-r--r--src/drivers/i2c/i2cmux/i2cmux.c44
-rw-r--r--src/drivers/i2c/lm63/Config.lb2
-rw-r--r--src/drivers/i2c/lm63/chip.h4
-rw-r--r--src/drivers/i2c/lm63/lm63.c46
12 files changed, 254 insertions, 0 deletions
diff --git a/src/drivers/i2c/adm1026/Config.lb b/src/drivers/i2c/adm1026/Config.lb
new file mode 100644
index 0000000000..52cbfaadeb
--- /dev/null
+++ b/src/drivers/i2c/adm1026/Config.lb
@@ -0,0 +1,2 @@
+config chip.h
+object adm1026.o
diff --git a/src/drivers/i2c/adm1026/adm1026.c b/src/drivers/i2c/adm1026/adm1026.c
new file mode 100644
index 0000000000..f1d61b4039
--- /dev/null
+++ b/src/drivers/i2c/adm1026/adm1026.c
@@ -0,0 +1,68 @@
+#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 ADM1026_DEVICE 0x2c /* 0x2e or 0x2d */
+#define ADM1026_REG_CONFIG1 0x00
+#define CFG1_MONITOR 0x01
+#define CFG1_INT_ENABLE 0x02
+#define CFG1_INT_CLEAR 0x04
+#define CFG1_AIN8_9 0x08
+#define CFG1_THERM_HOT 0x10
+#define CFT1_DAC_AFC 0x20
+#define CFG1_PWM_AFC 0x40
+#define CFG1_RESET 0x80
+#define ADM1026_REG_CONFIG2 0x01
+#define ADM1026_REG_CONFIG3 0x07
+
+static void adm1026_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
+ adm1026_enable_monitoring(dev);
+ }
+
+ }
+
+}
+static void adm1026_enable_monitoring(device_t dev)
+{
+ int result;
+ result = smbus_read_byte(dev, ADM1026_REG_CONFIG1);
+
+ result = (result | CFG1_MONITOR) & ~(CFG1_INT_CLEAR | CFG1_RESET);
+ result = smbus_write_byte(dev, ADM1026_REG_CONFIG1, result);
+
+ result = smbus_read_byte(dev, ADM1026_REG_CONFIG1);
+ if (!(result & CFG1_MONITOR)) {
+ printk_debug("ADM1026: monitoring would not enable");
+ }
+}
+static void adm1026_noop(device_t dummy)
+{
+}
+
+static struct device_operations adm1026_operations = {
+ .read_resources = adm1026_noop,
+ .set_resources = adm1026_noop,
+ .enable_resources = adm1026_noop,
+ .init = adm1026_init,
+};
+
+static void enable_dev(struct device *dev)
+{
+ dev->ops = &adm1026_operations;
+}
+
+struct chip_operations drivers_i2c_adm1026_ops = {
+ CHIP_NAME("adm1026")
+ .enable_dev = enable_dev,
+};
diff --git a/src/drivers/i2c/adm1026/chip.h b/src/drivers/i2c/adm1026/chip.h
new file mode 100644
index 0000000000..4ccca764fb
--- /dev/null
+++ b/src/drivers/i2c/adm1026/chip.h
@@ -0,0 +1,4 @@
+extern struct chip_operations drivers_i2c_adm1026_ops;
+
+struct drivers_i2c_adm1026_config {
+};
diff --git a/src/drivers/i2c/adm1027/Config.lb b/src/drivers/i2c/adm1027/Config.lb
new file mode 100644
index 0000000000..395ebabf82
--- /dev/null
+++ b/src/drivers/i2c/adm1027/Config.lb
@@ -0,0 +1,2 @@
+config chip.h
+object adm1027.o
diff --git a/src/drivers/i2c/adm1027/adm1027.c b/src/drivers/i2c/adm1027/adm1027.c
new file mode 100644
index 0000000000..fc8ba732af
--- /dev/null
+++ b/src/drivers/i2c/adm1027/adm1027.c
@@ -0,0 +1,72 @@
+#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");
+ 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");
+ }
+}
+
+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,
+};
diff --git a/src/drivers/i2c/adm1027/chip.h b/src/drivers/i2c/adm1027/chip.h
new file mode 100644
index 0000000000..94c4e888e9
--- /dev/null
+++ b/src/drivers/i2c/adm1027/chip.h
@@ -0,0 +1,4 @@
+extern struct chip_operations drivers_i2c_adm1027_ops;
+
+struct drivers_i2c_adm1027_config {
+};
diff --git a/src/drivers/i2c/i2cmux/Config.lb b/src/drivers/i2c/i2cmux/Config.lb
new file mode 100644
index 0000000000..6bce919d5d
--- /dev/null
+++ b/src/drivers/i2c/i2cmux/Config.lb
@@ -0,0 +1,2 @@
+config chip.h
+object i2cmux.o
diff --git a/src/drivers/i2c/i2cmux/chip.h b/src/drivers/i2c/i2cmux/chip.h
new file mode 100644
index 0000000000..ffaf87954a
--- /dev/null
+++ b/src/drivers/i2c/i2cmux/chip.h
@@ -0,0 +1,4 @@
+extern struct chip_operations drivers_i2c_i2cmux_ops;
+
+struct drivers_i2c_i2cmux_config {
+};
diff --git a/src/drivers/i2c/i2cmux/i2cmux.c b/src/drivers/i2c/i2cmux/i2cmux.c
new file mode 100644
index 0000000000..512b19f48a
--- /dev/null
+++ b/src/drivers/i2c/i2cmux/i2cmux.c
@@ -0,0 +1,44 @@
+#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 <cpu/x86/msr.h>
+#include "chip.h"
+
+static void i2cmux_set_link(device_t dev, unsigned int link)
+{
+ if (dev->enabled && dev->path.type == DEVICE_PATH_I2C)
+ {
+ if(ops_smbus_bus(get_pbus_smbus(dev))) {
+ smbus_write_byte(dev, 0x01, 1<<link); // output value
+ smbus_write_byte(dev, 0x03, 0); // all output
+ }
+
+ }
+
+}
+static void i2cmux_noop(device_t dummy)
+{
+}
+
+static struct device_operations i2cmux_operations = {
+ .read_resources = i2cmux_noop,
+ .set_resources = i2cmux_noop,
+ .enable_resources = i2cmux_noop,
+ .init = i2cmux_noop,
+ .scan_bus = scan_static_bus,
+ .set_link = i2cmux_set_link,
+};
+
+static void enable_dev(struct device *dev)
+{
+ if(dev->links>0)
+ dev->ops = &i2cmux_operations;
+}
+
+struct chip_operations drivers_i2c_i2cmux_ops = {
+ CHIP_NAME("i2cmux")
+ .enable_dev = enable_dev,
+};
diff --git a/src/drivers/i2c/lm63/Config.lb b/src/drivers/i2c/lm63/Config.lb
new file mode 100644
index 0000000000..959c7afa4c
--- /dev/null
+++ b/src/drivers/i2c/lm63/Config.lb
@@ -0,0 +1,2 @@
+config chip.h
+object lm63.o
diff --git a/src/drivers/i2c/lm63/chip.h b/src/drivers/i2c/lm63/chip.h
new file mode 100644
index 0000000000..5c558464f3
--- /dev/null
+++ b/src/drivers/i2c/lm63/chip.h
@@ -0,0 +1,4 @@
+extern struct chip_operations drivers_i2c_lm63_ops;
+
+struct drivers_i2c_lm63_config {
+};
diff --git a/src/drivers/i2c/lm63/lm63.c b/src/drivers/i2c/lm63/lm63.c
new file mode 100644
index 0000000000..01abadc420
--- /dev/null
+++ b/src/drivers/i2c/lm63/lm63.c
@@ -0,0 +1,46 @@
+#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 <cpu/x86/msr.h>
+#include "chip.h"
+
+
+static void lm63_init(device_t dev)
+{
+ int result;
+ 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
+ result = smbus_read_byte(dev, 0x03);
+// result &= ~0x04;
+ result |= 0x04;
+ smbus_write_byte(dev, 0x03, result & 0xff); // config lm63
+ }
+
+ }
+
+}
+static void lm63_noop(device_t dummy)
+{
+}
+
+static struct device_operations lm63_operations = {
+ .read_resources = lm63_noop,
+ .set_resources = lm63_noop,
+ .enable_resources = lm63_noop,
+ .init = lm63_init,
+};
+
+static void enable_dev(struct device *dev)
+{
+ dev->ops = &lm63_operations;
+}
+
+struct chip_operations drivers_i2c_lm63_ops = {
+ CHIP_NAME("lm63")
+ .enable_dev = enable_dev,
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:44:32 +0000