drivers/cbus/retu.h

   1 /**
   2  * drivers/cbus/retu.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_RETU_H
  24 #define __DRIVERS_CBUS_RETU_H
  25
  26 #include <linux/types.h>
  27
  28 /* Registers */
  29 #define RETU_REG_ASICR          0x00    /* ASIC ID & revision */
  30 #define RETU_REG_IDR            0x01    /* Interrupt ID */
  31 #define RETU_REG_IMR            0x02    /* Interrupt mask */
  32 #define RETU_REG_RTCDSR         0x03    /* RTC seconds register */
  33 #define RETU_REG_RTCHMR         0x04    /* RTC hours and minutes register */
  34 #define RETU_REG_RTCHMAR        0x05    /* RTC hours and minutes alarm and time set register */
  35 #define RETU_REG_RTCCALR        0x06    /* RTC calibration register */
  36 #define RETU_REG_ADCR           0x08    /* ADC result */
  37 #define RETU_REG_ADCSCR         0x09    /* ADC sample ctrl */
  38 #define RETU_REG_CC1            0x0d    /* Common control register 1 */
  39 #define RETU_REG_CC2            0x0e    /* Common control register 2 */
  40 #define RETU_REG_CTRL_CLR       0x0f    /* Regulator clear register */
  41 #define RETU_REG_CTRL_SET       0x10    /* Regulator set register */
  42 #define RETU_REG_STATUS         0x16    /* Status register */
  43 #define RETU_REG_WATCHDOG       0x17    /* Watchdog register */
  44 #define RETU_REG_AUDTXR         0x18    /* Audio Codec Tx register */
  45 #define RETU_REG_MAX            0x1f
  46
  47 /* Interrupt sources */
  48 #define RETU_INT_PWR            0
  49 #define RETU_INT_CHAR           1
  50 #define RETU_INT_RTCS           2
  51 #define RETU_INT_RTCM           3
  52 #define RETU_INT_RTCD           4
  53 #define RETU_INT_RTCA           5
  54 #define RETU_INT_HOOK           6
  55 #define RETU_INT_HEAD           7
  56 #define RETU_INT_ADCS           8
  57
  58 #define MAX_RETU_IRQ_HANDLERS   16
  59
  60 int retu_read_reg(int reg);
  61 void retu_write_reg(int reg, u16 val);
  62 void retu_set_clear_reg_bits(int reg, u16 set, u16 clear);
  63 int retu_read_adc(int channel);
  64 int retu_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
  65 void retu_free_irq(int id);
  66 void retu_enable_irq(int id);
  67 void retu_disable_irq(int id);
  68 void retu_ack_irq(int id);
  69
  70 #ifdef CONFIG_CBUS_RETU_USER
  71 int retu_user_init(void);
  72 void retu_user_cleanup(void);
  73 #endif
  74
  75 extern spinlock_t retu_lock;
  76
  77 #endif /* __DRIVERS_CBUS_RETU_H */