diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/io_sm.h')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/io_sm.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h deleted file mode 100644 index 903ff12b14de..000000000000 --- a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h +++ /dev/null @@ -1,160 +0,0 @@ -/* - * io_sm.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * IO dispatcher for a shared memory channel driver. - * Also, includes macros to simulate shm via port io calls. - * - * Copyright (C) 2005-2006 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef IOSM_ -#define IOSM_ - -#include <dspbridge/_chnl_sm.h> -#include <dspbridge/host_os.h> - -#include <dspbridge/io.h> -#include <dspbridge/mbx_sh.h> /* shared mailbox codes */ - -/* Magic code used to determine if DSP signaled exception. */ -#define DEH_BASE MBX_DEH_BASE -#define DEH_LIMIT MBX_DEH_LIMIT - -#define IO_INPUT 0 -#define IO_OUTPUT 1 -#define IO_SERVICE 2 - -#ifdef CONFIG_TIDSPBRIDGE_DVFS -/* The maximum number of OPPs that are supported */ -extern s32 dsp_max_opps; -/* The Vdd1 opp table information */ -extern u32 vdd1_dsp_freq[6][4]; -#endif - -/* - * ======== io_cancel_chnl ======== - * Purpose: - * Cancel IO on a given channel. - * Parameters: - * hio_mgr: IO Manager. - * chnl: Index of channel to cancel IO on. - * Returns: - * Requires: - * Valid hio_mgr. - * Ensures: - */ -extern void io_cancel_chnl(struct io_mgr *hio_mgr, u32 chnl); - -/* - * ======== io_dpc ======== - * Purpose: - * Deferred procedure call for shared memory channel driver ISR. Carries - * out the dispatch of I/O. - * Parameters: - * ref_data: Pointer to reference data registered via a call to - * DPC_Create(). - * Returns: - * Requires: - * Must not block. - * Must not acquire resources. - * All data touched must be locked in memory if running in kernel mode. - * Ensures: - * Non-preemptible (but interruptible). - */ -extern void io_dpc(unsigned long ref_data); - -/* - * ======== io_mbox_msg ======== - * Purpose: - * Main message handler for the shared memory Bridge channel manager. - * Determine if this message is ours, then schedules a DPC to - * dispatch I/O. - * Parameters: - * self: Pointer to its own notifier_block struct. - * len: Length of message. - * msg: Message code received. - * Returns: - * NOTIFY_OK if handled; NOTIFY_BAD otherwise. - */ -int io_mbox_msg(struct notifier_block *self, unsigned long len, void *msg); - -/* - * ======== io_request_chnl ======== - * Purpose: - * Request I/O from the DSP. Sets flags in shared memory, then interrupts - * the DSP. - * Parameters: - * hio_mgr: IO manager handle. - * pchnl: Ptr to the channel requesting I/O. - * io_mode: Mode of channel: {IO_INPUT | IO_OUTPUT}. - * Returns: - * Requires: - * pchnl != NULL - * Ensures: - */ -extern void io_request_chnl(struct io_mgr *io_manager, - struct chnl_object *pchnl, - u8 io_mode, u16 *mbx_val); - -/* - * ======== iosm_schedule ======== - * Purpose: - * Schedule DPC for IO. - * Parameters: - * pio_mgr: Ptr to a I/O manager. - * Returns: - * Requires: - * pchnl != NULL - * Ensures: - */ -extern void iosm_schedule(struct io_mgr *io_manager); - -/* - * ======== io_sh_msetting ======== - * Purpose: - * Sets the shared memory setting - * Parameters: - * hio_mgr: Handle to a I/O manager. - * desc: Shared memory type - * pargs: Ptr to shm setting - * Returns: - * Requires: - * hio_mgr != NULL - * pargs != NULL - * Ensures: - */ -extern int io_sh_msetting(struct io_mgr *hio_mgr, u8 desc, void *pargs); - -/* - * Misc functions for the CHNL_IO shared memory library: - */ - -/* Maximum channel bufsize that can be used. */ -extern u32 io_buf_size(struct io_mgr *hio_mgr); - -#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE -/* - * ========print_dsp_trace_buffer ======== - * Print DSP tracebuffer. - */ -extern int print_dsp_trace_buffer(struct bridge_dev_context - *hbridge_context); - -int dump_dsp_stack(struct bridge_dev_context *bridge_context); - -void dump_dl_modules(struct bridge_dev_context *bridge_context); - -void print_dsp_debug_trace(struct io_mgr *hio_mgr); -#endif - -#endif /* IOSM_ */ |