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Diffstat (limited to 'src/superio/ite/it8716f/superio.c')
-rw-r--r--src/superio/ite/it8716f/superio.c44
1 files changed, 17 insertions, 27 deletions
diff --git a/src/superio/ite/it8716f/superio.c b/src/superio/ite/it8716f/superio.c
index a365bf764e..0d4ee68c79 100644
--- a/src/superio/ite/it8716f/superio.c
+++ b/src/superio/ite/it8716f/superio.c
@@ -31,19 +31,14 @@
#include "chip.h"
#include "it8716f.h"
-/* Base address 0x2e: 0x87 0x01 0x55 0x55. */
-/* Base address 0x4e: 0x87 0x01 0x55 0xaa. */
static void pnp_enter_ext_func_mode(device_t dev)
{
- outb(0x87, dev->path.pnp.port);
- outb(0x01, dev->path.pnp.port);
- outb(0x55, dev->path.pnp.port);
-
- if (dev->path.pnp.port == 0x4e) {
- outb(0xaa, dev->path.pnp.port);
- } else {
- outb(0x55, dev->path.pnp.port);
- }
+ u16 port = dev->path.pnp.port;
+
+ outb(0x87, port);
+ outb(0x01, port);
+ outb(0x55, port);
+ outb((port == 0x4e) ? 0xaa : 0x55, port);
}
static void pnp_exit_ext_func_mode(device_t dev)
@@ -52,45 +47,41 @@ static void pnp_exit_ext_func_mode(device_t dev)
}
#if !defined(CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL) || !CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL
-static void pnp_write_index(uint16_t port_base, uint8_t reg, uint8_t value)
+static void pnp_write_index(u16 port_base, u8 reg, u8 value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
-static uint8_t pnp_read_index(uint16_t port_base, uint8_t reg)
+static u8 pnp_read_index(u16 port_base, u8 reg)
{
outb(reg, port_base);
return inb(port_base + 1);
}
-static void init_ec(uint16_t base)
+static void init_ec(u16 base)
{
- uint8_t value;
+ u8 value;
- /* Read out current value of FAN_CTL control register (0x14). */
+ /* Read out current value of FAN_CTL (0x14). */
value = pnp_read_index(base, 0x14);
printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, read value = 0x%02x\n",
- base + 0x14, value);
+ base + 0x14, value);
- /* Set FAN_CTL control register (0x14) polarity to high, and
- activate fans 1, 2 and 3. */
+ /* Set FAN_CTL (0x14) polarity to high, activate fans 1, 2 and 3. */
pnp_write_index(base, 0x14, value | 0x87);
printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, writing value = 0x%02x\n",
- base + 0x14, value | 0x87);
+ base + 0x14, value | 0x87);
}
#endif
static void it8716f_init(device_t dev)
{
- struct superio_ite_it8716f_config *conf;
+ struct superio_ite_it8716f_config *conf = dev->chip_info;
struct resource *res0, *res1;
- if (!dev->enabled) {
+ if (!dev->enabled)
return;
- }
-
- conf = dev->chip_info;
/* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */
switch (dev->path.pnp.device) {
@@ -163,8 +154,7 @@ static struct pnp_info pnp_dev_info[] = {
static void enable_dev(struct device *dev)
{
- pnp_enable_devices(dev, &ops,
- ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+ pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8716f_ops = {