diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h b/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h deleted file mode 100644 index cc95a18f1db9..000000000000 --- a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * _chnl_sm.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * Private header file defining channel manager and channel objects for - * a shared memory channel driver. - * - * Shared between the modules implementing the shared memory channel class - * library. - * - * 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 _CHNL_SM_ -#define _CHNL_SM_ - -#include <dspbridge/dspapi.h> -#include <dspbridge/dspdefs.h> - -#include <linux/list.h> -#include <dspbridge/ntfy.h> - -/* - * These target side symbols define the beginning and ending addresses - * of shared memory buffer. They are defined in the *cfg.cmd file by - * cdb code. - */ -#define CHNL_SHARED_BUFFER_BASE_SYM "_SHM_BEG" -#define CHNL_SHARED_BUFFER_LIMIT_SYM "_SHM_END" -#define BRIDGEINIT_BIOSGPTIMER "_BRIDGEINIT_BIOSGPTIMER" -#define BRIDGEINIT_LOADMON_GPTIMER "_BRIDGEINIT_LOADMON_GPTIMER" - -#ifndef _CHNL_WORDSIZE -#define _CHNL_WORDSIZE 4 /* default _CHNL_WORDSIZE is 2 bytes/word */ -#endif - -#define MAXOPPS 16 - -/* Shared memory config options */ -#define SHM_CURROPP 0 /* Set current OPP in shm */ -#define SHM_OPPINFO 1 /* Set dsp voltage and freq table values */ -#define SHM_GETOPP 2 /* Get opp requested by DSP */ - -struct opp_table_entry { - u32 voltage; - u32 frequency; - u32 min_freq; - u32 max_freq; -}; - -struct opp_struct { - u32 curr_opp_pt; - u32 num_opp_pts; - struct opp_table_entry opp_point[MAXOPPS]; -}; - -/* Request to MPU */ -struct opp_rqst_struct { - u32 rqst_dsp_freq; - u32 rqst_opp_pt; -}; - -/* Info to MPU */ -struct load_mon_struct { - u32 curr_dsp_load; - u32 curr_dsp_freq; - u32 pred_dsp_load; - u32 pred_dsp_freq; -}; - -/* Structure in shared between DSP and PC for communication. */ -struct shm { - u32 dsp_free_mask; /* Written by DSP, read by PC. */ - u32 host_free_mask; /* Written by PC, read by DSP */ - - u32 input_full; /* Input channel has unread data. */ - u32 input_id; /* Channel for which input is available. */ - u32 input_size; /* Size of data block (in DSP words). */ - - u32 output_full; /* Output channel has unread data. */ - u32 output_id; /* Channel for which output is available. */ - u32 output_size; /* Size of data block (in DSP words). */ - - u32 arg; /* Arg for Issue/Reclaim (23 bits for 55x). */ - u32 resvd; /* Keep structure size even for 32-bit DSPs */ - - /* Operating Point structure */ - struct opp_struct opp_table_struct; - /* Operating Point Request structure */ - struct opp_rqst_struct opp_request; - /* load monitor information structure */ - struct load_mon_struct load_mon_info; - /* Flag for WDT enable/disable F/I clocks */ - u32 wdt_setclocks; - u32 wdt_overflow; /* WDT overflow time */ - char dummy[176]; /* padding to 256 byte boundary */ - u32 shm_dbg_var[64]; /* shared memory debug variables */ -}; - - /* Channel Manager: only one created per board: */ -struct chnl_mgr { - /* Function interface to Bridge driver */ - struct bridge_drv_interface *intf_fxns; - struct io_mgr *iomgr; /* IO manager */ - /* Device this board represents */ - struct dev_object *dev_obj; - - /* These fields initialized in bridge_chnl_create(): */ - u32 output_mask; /* Host output channels w/ full buffers */ - u32 last_output; /* Last output channel fired from DPC */ - /* Critical section object handle */ - spinlock_t chnl_mgr_lock; - u32 word_size; /* Size in bytes of DSP word */ - u8 max_channels; /* Total number of channels */ - u8 open_channels; /* Total number of open channels */ - struct chnl_object **channels; /* Array of channels */ - u8 type; /* Type of channel class library */ - /* If no shm syms, return for CHNL_Open */ - int chnl_open_status; -}; - -/* - * Channel: up to CHNL_MAXCHANNELS per board or if DSP-DMA supported then - * up to CHNL_MAXCHANNELS + CHNL_MAXDDMACHNLS per board. - */ -struct chnl_object { - /* Pointer back to channel manager */ - struct chnl_mgr *chnl_mgr_obj; - u32 chnl_id; /* Channel id */ - u8 state; /* Current channel state */ - s8 chnl_mode; /* Chnl mode and attributes */ - /* Chnl I/O completion event (user mode) */ - void *user_event; - /* Abstract synchronization object */ - struct sync_object *sync_event; - u32 process; /* Process which created this channel */ - u32 cb_arg; /* Argument to use with callback */ - struct list_head io_requests; /* List of IOR's to driver */ - s32 cio_cs; /* Number of IOC's in queue */ - s32 cio_reqs; /* Number of IORequests in queue */ - s32 chnl_packets; /* Initial number of free Irps */ - /* List of IOC's from driver */ - struct list_head io_completions; - struct list_head free_packets_list; /* List of free Irps */ - struct ntfy_object *ntfy_obj; - u32 bytes_moved; /* Total number of bytes transferred */ - - /* For DSP-DMA */ - - /* Type of chnl transport:CHNL_[PCPY][DDMA] */ - u32 chnl_type; -}; - -/* I/O Request/completion packet: */ -struct chnl_irp { - struct list_head link; /* Link to next CHIRP in queue. */ - /* Buffer to be filled/emptied. (User) */ - u8 *host_user_buf; - /* Buffer to be filled/emptied. (System) */ - u8 *host_sys_buf; - u32 arg; /* Issue/Reclaim argument. */ - u32 dsp_tx_addr; /* Transfer address on DSP side. */ - u32 byte_size; /* Bytes transferred. */ - u32 buf_size; /* Actual buffer size when allocated. */ - u32 status; /* Status of IO completion. */ -}; - -#endif /* _CHNL_SM_ */ |