diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/nodepriv.h')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/nodepriv.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h new file mode 100644 index 000000000000..16b0233fc5d5 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h @@ -0,0 +1,182 @@ +/* + * nodepriv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Private node header shared by NODE and DISP. + * + * 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 NODEPRIV_ +#define NODEPRIV_ + +#include <dspbridge/strmdefs.h> +#include <dspbridge/nodedefs.h> +#include <dspbridge/nldrdefs.h> + +/* DSP address of node environment structure */ +typedef u32 nodeenv; + +/* + * Node create structures + */ + +/* Message node */ +struct node_msgargs { + u32 max_msgs; /* Max # of simultaneous messages for node */ + u32 seg_id; /* Segment for allocating message buffers */ + u32 notify_type; /* Notify type (SEM_post, SWI_post, etc.) */ + u32 arg_length; /* Length in 32-bit words of arg data block */ + u8 *pdata; /* Argument data for node */ +}; + +struct node_strmdef { + u32 buf_size; /* Size of buffers for SIO stream */ + u32 num_bufs; /* max # of buffers in SIO stream at once */ + u32 seg_id; /* Memory segment id to allocate buffers */ + u32 utimeout; /* Timeout for blocking SIO calls */ + u32 buf_alignment; /* Buffer alignment */ + char *sz_device; /* Device name for stream */ +}; + +/* Task node */ +struct node_taskargs { + struct node_msgargs node_msg_args; + s32 prio; + u32 stack_size; + u32 sys_stack_size; + u32 stack_seg; + u32 udsp_heap_res_addr; /* DSP virtual heap address */ + u32 udsp_heap_addr; /* DSP virtual heap address */ + u32 heap_size; /* Heap size */ + u32 ugpp_heap_addr; /* GPP virtual heap address */ + u32 profile_id; /* Profile ID */ + u32 num_inputs; + u32 num_outputs; + u32 ul_dais_arg; /* Address of iAlg object */ + struct node_strmdef *strm_in_def; + struct node_strmdef *strm_out_def; +}; + +/* + * ======== node_createargs ======== + */ +struct node_createargs { + union { + struct node_msgargs node_msg_args; + struct node_taskargs task_arg_obj; + } asa; +}; + +/* + * ======== node_get_channel_id ======== + * Purpose: + * Get the channel index reserved for a stream connection between the + * host and a node. This index is reserved when node_connect() is called + * to connect the node with the host. This index should be passed to + * the CHNL_Open function when the stream is actually opened. + * Parameters: + * hnode: Node object allocated from node_allocate(). + * dir: Input (DSP_TONODE) or output (DSP_FROMNODE). + * index: Stream index. + * chan_id: Location to store channel index. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: Not a task or DAIS socket node. + * -EINVAL: The node's stream corresponding to index and dir + * is not a stream to or from the host. + * Requires: + * node_init(void) called. + * Valid dir. + * chan_id != NULL. + * Ensures: + */ +extern int node_get_channel_id(struct node_object *hnode, + u32 dir, u32 index, u32 *chan_id); + +/* + * ======== node_get_strm_mgr ======== + * Purpose: + * Get the STRM manager for a node. + * Parameters: + * hnode: Node allocated with node_allocate(). + * strm_man: Location to store STRM manager on output. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * Requires: + * strm_man != NULL. + * Ensures: + */ +extern int node_get_strm_mgr(struct node_object *hnode, + struct strm_mgr **strm_man); + +/* + * ======== node_get_timeout ======== + * Purpose: + * Get the timeout value of a node. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node's timeout value. + * Requires: + * Valid hnode. + * Ensures: + */ +extern u32 node_get_timeout(struct node_object *hnode); + +/* + * ======== node_get_type ======== + * Purpose: + * Get the type (device, message, task, or XDAIS socket) of a node. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node type: NODE_DEVICE, NODE_TASK, NODE_XDAIS, or NODE_GPP. + * Requires: + * Valid hnode. + * Ensures: + */ +extern enum node_type node_get_type(struct node_object *hnode); + +/* + * ======== get_node_info ======== + * Purpose: + * Get node information without holding semaphore. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node info: priority, device owner, no. of streams, execution state + * NDB properties. + * Requires: + * Valid hnode. + * Ensures: + */ +extern void get_node_info(struct node_object *hnode, + struct dsp_nodeinfo *node_info); + +/* + * ======== node_get_load_type ======== + * Purpose: + * Get the load type (dynamic, overlay, static) of a node. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node type: NLDR_DYNAMICLOAD, NLDR_OVLYLOAD, NLDR_STATICLOAD + * Requires: + * Valid hnode. + * Ensures: + */ +extern enum nldr_loadtype node_get_load_type(struct node_object *hnode); + +#endif /* NODEPRIV_ */ |