include/linux/platform_data/mailbox-omap.h

   1 /*
   2  * mailbox-omap.h
   3  *
   4  * Copyright (C) 2013 Texas Instruments, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef _PLAT_MAILBOX_H
  17 #define _PLAT_MAILBOX_H
  18
  19 /* Interrupt register configuration types */
  20 #define MBOX_INTR_CFG_TYPE1     (0)
  21 #define MBOX_INTR_CFG_TYPE2     (1)
  22
  23 /**
  24  * struct omap_mbox_dev_info - OMAP mailbox device attribute info
  25  * @name:       name of the mailbox device
  26  * @tx_id:      mailbox queue id used for transmitting messages
  27  * @rx_id:      mailbox queue id on which messages are received
  28  * @irq_id:     irq identifier number to use from the hwmod data
  29  * @usr_id:     mailbox user id for identifying the interrupt into
  30  *                      the MPU interrupt controller.
  31  */
  32 struct omap_mbox_dev_info {
  33         const char *name;
  34         u32 tx_id;
  35         u32 rx_id;
  36         u32 irq_id;
  37         u32 usr_id;
  38 };
  39
  40 /**
  41  * struct omap_mbox_pdata - OMAP mailbox platform data
  42  * @intr_type:  type of interrupt configuration registers used
  43                         while programming mailbox queue interrupts
  44  * @num_users:  number of users (processor devices) that the mailbox
  45  *                      h/w block can interrupt
  46  * @num_fifos:  number of h/w fifos within the mailbox h/w block
  47  * @info_cnt:   number of mailbox devices for the platform
  48  * @info:       array of mailbox device attributes
  49  */
  50 struct omap_mbox_pdata {
  51         u32 intr_type;
  52         u32 num_users;
  53         u32 num_fifos;
  54         u32 info_cnt;
  55         struct omap_mbox_dev_info *info;
  56 };
  57
  58 #endif /* _PLAT_MAILBOX_H */