drivers/cbus/tahvo.h

   1 /*
   2  * drivers/cbus/tahvo.h
   3  *
   4  * Copyright (C) 2004, 2005 Nokia Corporation
   5  *
   6  * Written by Juha Yrjölä <juha.yrjola@nokia.com> and
   7  *            David Weinehall <david.weinehall@nokia.com>
   8  *
   9  * This file is subject to the terms and conditions of the GNU General
  10  * Public License. See the file "COPYING" in the main directory of this
  11  * archive for more details.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef __DRIVERS_CBUS_TAHVO_H
  24 #define __DRIVERS_CBUS_TAHVO_H
  25
  26 #include <linux/types.h>
  27
  28 /* Registers */
  29 #define TAHVO_REG_ASICR         0x00    /* ASIC ID & revision */
  30 #define TAHVO_REG_IDR           0x01    /* Interrupt ID */
  31 #define TAHVO_REG_IDSR          0x02    /* Interrupt status */
  32 #define TAHVO_REG_IMR           0x03    /* Interrupt mask */
  33 #define TAHVO_REG_LEDPWMR       0x05    /* LED PWM */
  34 #define TAHVO_REG_USBR          0x06    /* USB control */
  35 #define TAHVO_REG_MAX           0x0d
  36
  37 /* Interrupt sources */
  38 #define TAHVO_INT_VBUSON        0
  39
  40 #define MAX_TAHVO_IRQ_HANDLERS  8
  41
  42 int tahvo_read_reg(int reg);
  43 void tahvo_write_reg(int reg, u16 val);
  44 void tahvo_set_clear_reg_bits(int reg, u16 set, u16 clear);
  45 int tahvo_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
  46 void tahvo_free_irq(int id);
  47 void tahvo_enable_irq(int id);
  48 void tahvo_disable_irq(int id);
  49 void tahvo_ack_irq(int id);
  50 int tahvo_get_backlight_level(void);
  51 int tahvo_get_max_backlight_level(void);
  52 void tahvo_set_backlight_level(int level);
  53
  54 #ifdef CONFIG_CBUS_TAHVO_USER
  55 int tahvo_user_init(void);
  56 void tahvo_user_cleanup(void);
  57 #endif
  58
  59 extern spinlock_t tahvo_lock;
  60
  61 #endif /* __DRIVERS_CBUS_TAHVO_H */