diff options
author | Juerg Haefliger <juergh@gmail.com> | 2007-10-02 04:20:28 (GMT) |
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committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2007-10-11 02:24:08 (GMT) |
commit | 67e2f3285ecff8ceaa555e7614d1603b76e09b95 (patch) | |
tree | 1c8dd3a212e9a45aa367247293ca986fba797316 /drivers/hwmon/dme1737.c | |
parent | b237eb25d8e81c31ba561990445cfe4448c9de14 (diff) | |
download | linux-67e2f3285ecff8ceaa555e7614d1603b76e09b95.tar.xz |
hwmon: (dme1737) group functions logically
Move functions to group them logically. Device and I2C functions go in separate
places. No functional changes (really!).
Signed-off-by: Juerg Haefliger <juergh at gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers/hwmon/dme1737.c')
-rw-r--r-- | drivers/hwmon/dme1737.c | 106 |
1 files changed, 58 insertions, 48 deletions
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index cef662c..63cee3b 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -1697,58 +1697,11 @@ static inline void dme1737_sio_outb(int sio_cip, int reg, int val) outb(val, sio_cip + 1); } -static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data) -{ - int err = 0, reg; - u16 addr; - - dme1737_sio_enter(sio_cip); - - /* Check device ID - * The DME1737 can return either 0x78 or 0x77 as its device ID. */ - reg = dme1737_sio_inb(sio_cip, 0x20); - if (!(reg == 0x77 || reg == 0x78)) { - err = -ENODEV; - goto exit; - } - - /* Select logical device A (runtime registers) */ - dme1737_sio_outb(sio_cip, 0x07, 0x0a); - - /* Get the base address of the runtime registers */ - if (!(addr = (dme1737_sio_inb(sio_cip, 0x60) << 8) | - dme1737_sio_inb(sio_cip, 0x61))) { - err = -ENODEV; - goto exit; - } - - /* Read the runtime registers to determine which optional features - * are enabled and available. Bits [3:2] of registers 0x43-0x46 are set - * to '10' if the respective feature is enabled. */ - if ((inb(addr + 0x43) & 0x0c) == 0x08) { /* fan6 */ - data->has_fan |= (1 << 5); - } - if ((inb(addr + 0x44) & 0x0c) == 0x08) { /* pwm6 */ - data->has_pwm |= (1 << 5); - } - if ((inb(addr + 0x45) & 0x0c) == 0x08) { /* fan5 */ - data->has_fan |= (1 << 4); - } - if ((inb(addr + 0x46) & 0x0c) == 0x08) { /* pwm5 */ - data->has_pwm |= (1 << 4); - } - -exit: - dme1737_sio_exit(sio_cip); - - return err; -} - /* --------------------------------------------------------------------- * Device detection, registration and initialization * --------------------------------------------------------------------- */ -static struct i2c_driver dme1737_i2c_driver; +static int dme1737_i2c_get_features(int, struct dme1737_data*); static void dme1737_chmod_file(struct device *dev, struct attribute *attr, mode_t mode) @@ -1967,6 +1920,59 @@ static int dme1737_init_device(struct device *dev) return 0; } +/* --------------------------------------------------------------------- + * I2C device detection and registration + * --------------------------------------------------------------------- */ + +static struct i2c_driver dme1737_i2c_driver; + +static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data) +{ + int err = 0, reg; + u16 addr; + + dme1737_sio_enter(sio_cip); + + /* Check device ID + * The DME1737 can return either 0x78 or 0x77 as its device ID. */ + reg = dme1737_sio_inb(sio_cip, 0x20); + if (!(reg == 0x77 || reg == 0x78)) { + err = -ENODEV; + goto exit; + } + + /* Select logical device A (runtime registers) */ + dme1737_sio_outb(sio_cip, 0x07, 0x0a); + + /* Get the base address of the runtime registers */ + if (!(addr = (dme1737_sio_inb(sio_cip, 0x60) << 8) | + dme1737_sio_inb(sio_cip, 0x61))) { + err = -ENODEV; + goto exit; + } + + /* Read the runtime registers to determine which optional features + * are enabled and available. Bits [3:2] of registers 0x43-0x46 are set + * to '10' if the respective feature is enabled. */ + if ((inb(addr + 0x43) & 0x0c) == 0x08) { /* fan6 */ + data->has_fan |= (1 << 5); + } + if ((inb(addr + 0x44) & 0x0c) == 0x08) { /* pwm6 */ + data->has_pwm |= (1 << 5); + } + if ((inb(addr + 0x45) & 0x0c) == 0x08) { /* fan5 */ + data->has_fan |= (1 << 4); + } + if ((inb(addr + 0x46) & 0x0c) == 0x08) { /* pwm5 */ + data->has_pwm |= (1 << 4); + } + +exit: + dme1737_sio_exit(sio_cip); + + return err; +} + static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, int kind) { @@ -2087,6 +2093,10 @@ static struct i2c_driver dme1737_i2c_driver = { .detach_client = dme1737_i2c_detach_client, }; +/* --------------------------------------------------------------------- + * Module initialization and cleanup + * --------------------------------------------------------------------- */ + static int __init dme1737_init(void) { return i2c_add_driver(&dme1737_i2c_driver); |