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Diffstat (limited to 'drivers/otg/otg/otg-ocd.h')
| -rw-r--r-- | drivers/otg/otg/otg-ocd.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/otg/otg/otg-ocd.h b/drivers/otg/otg/otg-ocd.h new file mode 100644 index 000000000000..d3b9ba27c35e --- /dev/null +++ b/drivers/otg/otg/otg-ocd.h @@ -0,0 +1,110 @@ +/* + * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +/* + * otg/otg-ocd.h - OTG Controller Driver + * @(#) sl@belcarra.com/whiskey.enposte.net|otg/otg/otg-ocd.h|20061218212925|27282 + * + * Copyright (c) 2004-2005 Belcarra Technologies Corp + * Copyright (c) 2005-2006 Belcarra Technologies 2005 Corp + * + * By: + * Stuart Lynne <sl@belcarra.com>, + * Bruce Balden <balden@belcarra.com> + * + * + */ +/*! + * @file otg/otg/otg-ocd.h + * @brief Defines common to On-The-Go OTG Controller Support + * + * This file defines the ocd_ops and ocd_instance structures. + * + * The ocd_ops structure contains all of the output functions that will + * be called as required by the OTG event handler when changing states. + * + * The ocd_instance structure is used to maintain the global data + * required by the OTG controller drivers. + * + * @ingroup OTGAPI + * @ingroup OCD + */ + +/*! + * @name OCD OTG Controller Driver + * @{ + */ +/*! @struct ocd_instance otg-ocd.h "otg/otg-ocd.h" + */ + +struct ocd_instance { + struct otg_instance *otg; + otg_tag_t TAG; + void * privdata; +}; + + +typedef int (*otg_timer_callback_proc_t) (void *); + +#define OCD_CAPABILITIES_DR 1 << 0 +#define OCD_CAPABILITIES_PO 1 << 1 +#define OCD_CAPABILITIES_TR 1 << 2 +#define OCD_CAPABILITIES_HOST 1 << 3 + +#define OCD_CAPABILITIES_AUTO 1 << 4 + + +/*! + * @struct ocd_ops + * The ocd_ops structure contains pointers to all of the functions implemented for the + * linked in driver. Having them in this structure allows us to easily determine what + * functions are available without resorting to ugly compile time macros or ifdefs + * + * There is only one instance of this, defined in the device specific lower layer. + */ +struct ocd_ops { + + u32 capabilities; /* OCD Capabilities */ + + /* Driver Initialization - by degrees + */ + int (*mod_init) (struct otg_instance *); /*!< OCD Module Initialization */ + void (*mod_exit) (struct otg_instance *); /*!< OCD Module Exit */ + + otg_output_proc_t ocd_init_func; /*!< OTG calls to initialize or de-initialize the OCD */ + + int (*start_timer) (struct otg_instance *, int);/*!< called by OTG to start timer */ + otg_tick_t (*ticks) (void); /*!< called by OTG to fetch current ticks, typically micro-seconds when available */ + otg_tick_t (*elapsed) ( otg_tick_t *, otg_tick_t *); + /*!< called by OTG to get micro-seconds elapsed between two ticks */ + //u32 interrupts; /*!< called by OTG to get number of interrupts */ + // + + void *privdata; +}; + + +#if 0 +struct ocd_instance { + struct otg_instance *otg; + void * privdata; +}; +#endif + +#ifndef OTG_APPLICATION + +#define REMOVE_OCD ocd_trace_tag +extern otg_tag_t REMOVE_OCD; +extern struct ocd_instance *REMOVE_ocd_instance; +extern struct ocd_ops ocd_ops; +#endif +/* @} */ |