4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
6 * DSP/BIOS Bridge Node Manager.
8 * Copyright (C) 2005-2006 Texas Instruments, Inc.
10 * This package is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
14 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 #include <linux/types.h>
20 #include <linux/bitmap.h>
21 #include <linux/list.h>
23 /* ----------------------------------- Host OS */
24 #include <dspbridge/host_os.h>
26 /* ----------------------------------- DSP/BIOS Bridge */
27 #include <dspbridge/dbdefs.h>
29 /* ----------------------------------- OS Adaptation Layer */
30 #include <dspbridge/memdefs.h>
31 #include <dspbridge/proc.h>
32 #include <dspbridge/strm.h>
33 #include <dspbridge/sync.h>
34 #include <dspbridge/ntfy.h>
36 /* ----------------------------------- Platform Manager */
37 #include <dspbridge/cmm.h>
38 #include <dspbridge/cod.h>
39 #include <dspbridge/dev.h>
40 #include <dspbridge/msg.h>
42 /* ----------------------------------- Resource Manager */
43 #include <dspbridge/dbdcd.h>
44 #include <dspbridge/disp.h>
45 #include <dspbridge/rms_sh.h>
47 /* ----------------------------------- Link Driver */
48 #include <dspbridge/dspdefs.h>
49 #include <dspbridge/dspioctl.h>
51 /* ----------------------------------- Others */
52 #include <dspbridge/uuidutil.h>
54 /* ----------------------------------- This */
55 #include <dspbridge/nodepriv.h>
56 #include <dspbridge/node.h>
57 #include <dspbridge/dmm.h>
59 /* Static/Dynamic Loader includes */
60 #include <dspbridge/dbll.h>
61 #include <dspbridge/nldr.h>
63 #include <dspbridge/drv.h>
64 #include <dspbridge/resourcecleanup.h>
67 #include <dspbridge/dspdeh.h>
69 #define HOSTPREFIX "/host"
70 #define PIPEPREFIX "/dbpipe"
72 #define MAX_INPUTS(h) \
73 ((h)->dcd_props.obj_data.node_obj.ndb_props.num_input_streams)
74 #define MAX_OUTPUTS(h) \
75 ((h)->dcd_props.obj_data.node_obj.ndb_props.num_output_streams)
77 #define NODE_GET_PRIORITY(h) ((h)->prio)
78 #define NODE_SET_PRIORITY(hnode, prio) ((hnode)->prio = prio)
79 #define NODE_SET_STATE(hnode, state) ((hnode)->node_state = state)
81 #define MAXPIPES 100 /* Max # of /pipe connections (CSL limit) */
82 #define MAXDEVSUFFIXLEN 2 /* Max(Log base 10 of MAXPIPES, MAXSTREAMS) */
84 #define PIPENAMELEN (sizeof(PIPEPREFIX) + MAXDEVSUFFIXLEN)
85 #define HOSTNAMELEN (sizeof(HOSTPREFIX) + MAXDEVSUFFIXLEN)
87 #define MAXDEVNAMELEN 32 /* dsp_ndbprops.ac_name size */
89 #define EXECUTEPHASE 2
92 /* Define default STRM parameters */
94 * TBD: Put in header file, make global DSP_STRMATTRS with defaults,
95 * or make defaults configurable.
97 #define DEFAULTBUFSIZE 32
98 #define DEFAULTNBUFS 2
99 #define DEFAULTSEGID 0
100 #define DEFAULTALIGNMENT 0
101 #define DEFAULTTIMEOUT 10000
103 #define RMSQUERYSERVER 0
104 #define RMSCONFIGURESERVER 1
105 #define RMSCREATENODE 2
106 #define RMSEXECUTENODE 3
107 #define RMSDELETENODE 4
108 #define RMSCHANGENODEPRIORITY 5
109 #define RMSREADMEMORY 6
110 #define RMSWRITEMEMORY 7
112 #define MAXTIMEOUT 2000
116 #define PWR_TIMEOUT 500 /* default PWR timeout in msec */
118 #define STACKSEGLABEL "L1DSRAM_HEAP" /* Label for DSP Stack Segment Addr */
121 * ======== node_mgr ========
124 struct dev_object
*dev_obj
; /* Device object */
125 /* Function interface to Bridge driver */
126 struct bridge_drv_interface
*intf_fxns
;
127 struct dcd_manager
*dcd_mgr
; /* Proc/Node data manager */
128 struct disp_object
*disp_obj
; /* Node dispatcher */
129 struct list_head node_list
; /* List of all allocated nodes */
130 u32 num_nodes
; /* Number of nodes in node_list */
131 u32 num_created
; /* Number of nodes *created* on DSP */
132 DECLARE_BITMAP(pipe_map
, MAXPIPES
); /* Pipe connection bitmap */
133 DECLARE_BITMAP(pipe_done_map
, MAXPIPES
); /* Pipes that are half free */
134 /* Channel allocation bitmap */
135 DECLARE_BITMAP(chnl_map
, CHNL_MAXCHANNELS
);
136 /* DMA Channel allocation bitmap */
137 DECLARE_BITMAP(dma_chnl_map
, CHNL_MAXCHANNELS
);
138 /* Zero-Copy Channel alloc bitmap */
139 DECLARE_BITMAP(zc_chnl_map
, CHNL_MAXCHANNELS
);
140 struct ntfy_object
*ntfy_obj
; /* Manages registered notifications */
141 struct mutex node_mgr_lock
; /* For critical sections */
142 u32 fxn_addrs
[NUMRMSFXNS
]; /* RMS function addresses */
143 struct msg_mgr
*msg_mgr_obj
;
145 /* Processor properties needed by Node Dispatcher */
146 u32 num_chnls
; /* Total number of channels */
147 u32 chnl_offset
; /* Offset of chnl ids rsvd for RMS */
148 u32 chnl_buf_size
; /* Buffer size for data to RMS */
149 int proc_family
; /* eg, 5000 */
150 int proc_type
; /* eg, 5510 */
151 u32 dsp_word_size
; /* Size of DSP word on host bytes */
152 u32 dsp_data_mau_size
; /* Size of DSP data MAU */
153 u32 dsp_mau_size
; /* Size of MAU */
154 s32 min_pri
; /* Minimum runtime priority for node */
155 s32 max_pri
; /* Maximum runtime priority for node */
157 struct strm_mgr
*strm_mgr_obj
; /* STRM manager */
159 /* Loader properties */
160 struct nldr_object
*nldr_obj
; /* Handle to loader */
161 struct node_ldr_fxns nldr_fxns
; /* Handle to loader functions */
162 bool loader_init
; /* Loader Init function succeeded? */
166 * ======== connecttype ========
176 * ======== stream_chnl ========
179 enum connecttype type
; /* Type of stream connection */
180 u32 dev_id
; /* pipe or channel id */
184 * ======== node_object ========
187 struct list_head list_elem
;
188 struct node_mgr
*node_mgr
; /* The manager of this node */
189 struct proc_object
*processor
; /* Back pointer to processor */
190 struct dsp_uuid node_uuid
; /* Node's ID */
191 s32 prio
; /* Node's current priority */
192 u32 timeout
; /* Timeout for blocking NODE calls */
193 u32 heap_size
; /* Heap Size */
194 u32 dsp_heap_virt_addr
; /* Heap Size */
195 u32 gpp_heap_virt_addr
; /* Heap Size */
196 enum node_type ntype
; /* Type of node: message, task, etc */
197 enum node_state node_state
; /* NODE_ALLOCATED, NODE_CREATED, ... */
198 u32 num_inputs
; /* Current number of inputs */
199 u32 num_outputs
; /* Current number of outputs */
200 u32 max_input_index
; /* Current max input stream index */
201 u32 max_output_index
; /* Current max output stream index */
202 struct stream_chnl
*inputs
; /* Node's input streams */
203 struct stream_chnl
*outputs
; /* Node's output streams */
204 struct node_createargs create_args
; /* Args for node create func */
205 nodeenv node_env
; /* Environment returned by RMS */
206 struct dcd_genericobj dcd_props
; /* Node properties from DCD */
207 struct dsp_cbdata
*args
; /* Optional args to pass to node */
208 struct ntfy_object
*ntfy_obj
; /* Manages registered notifications */
209 char *str_dev_name
; /* device name, if device node */
210 struct sync_object
*sync_done
; /* Synchronize node_terminate */
211 s32 exit_status
; /* execute function return status */
213 /* Information needed for node_get_attr() */
214 void *device_owner
; /* If dev node, task that owns it */
215 u32 num_gpp_inputs
; /* Current # of from GPP streams */
216 u32 num_gpp_outputs
; /* Current # of to GPP streams */
217 /* Current stream connections */
218 struct dsp_streamconnect
*stream_connect
;
221 struct msg_queue
*msg_queue_obj
;
223 /* These fields used for SM messaging */
224 struct cmm_xlatorobject
*xlator
; /* Node's SM addr translator */
226 /* Handle to pass to dynamic loader */
227 struct nldr_nodeobject
*nldr_node_obj
;
228 bool loaded
; /* Code is (dynamically) loaded */
229 bool phase_split
; /* Phases split in many libs or ovly */
233 /* Default buffer attributes */
234 static struct dsp_bufferattr node_dfltbufattrs
= {
240 static void delete_node(struct node_object
*hnode
,
241 struct process_context
*pr_ctxt
);
242 static void delete_node_mgr(struct node_mgr
*hnode_mgr
);
243 static void fill_stream_connect(struct node_object
*node1
,
244 struct node_object
*node2
, u32 stream1
,
246 static void fill_stream_def(struct node_object
*hnode
,
247 struct node_strmdef
*pstrm_def
,
248 struct dsp_strmattr
*pattrs
);
249 static void free_stream(struct node_mgr
*hnode_mgr
, struct stream_chnl stream
);
250 static int get_fxn_address(struct node_object
*hnode
, u32
* fxn_addr
,
252 static int get_node_props(struct dcd_manager
*hdcd_mgr
,
253 struct node_object
*hnode
,
254 const struct dsp_uuid
*node_uuid
,
255 struct dcd_genericobj
*dcd_prop
);
256 static int get_proc_props(struct node_mgr
*hnode_mgr
,
257 struct dev_object
*hdev_obj
);
258 static int get_rms_fxns(struct node_mgr
*hnode_mgr
);
259 static u32
ovly(void *priv_ref
, u32 dsp_run_addr
, u32 dsp_load_addr
,
260 u32 ul_num_bytes
, u32 mem_space
);
261 static u32
mem_write(void *priv_ref
, u32 dsp_add
, void *pbuf
,
262 u32 ul_num_bytes
, u32 mem_space
);
264 /* Dynamic loader functions. */
265 static struct node_ldr_fxns nldr_fxns
= {
276 enum node_state
node_get_state(void *hnode
)
278 struct node_object
*pnode
= (struct node_object
*)hnode
;
281 return pnode
->node_state
;
285 * ======== node_allocate ========
287 * Allocate GPP resources to manage a node on the DSP.
289 int node_allocate(struct proc_object
*hprocessor
,
290 const struct dsp_uuid
*node_uuid
,
291 const struct dsp_cbdata
*pargs
,
292 const struct dsp_nodeattrin
*attr_in
,
293 struct node_res_object
**noderes
,
294 struct process_context
*pr_ctxt
)
296 struct node_mgr
*hnode_mgr
;
297 struct dev_object
*hdev_obj
;
298 struct node_object
*pnode
= NULL
;
299 enum node_type node_type
= NODE_TASK
;
300 struct node_msgargs
*pmsg_args
;
301 struct node_taskargs
*ptask_args
;
303 struct bridge_drv_interface
*intf_fxns
;
305 struct cmm_object
*hcmm_mgr
= NULL
; /* Shared memory manager hndl */
310 u32 ul_stack_seg_addr
, ul_stack_seg_val
;
312 struct cfg_hostres
*host_res
;
313 struct bridge_dev_context
*pbridge_context
;
316 struct dsp_processorstate proc_state
;
318 struct dmm_object
*dmm_mgr
;
319 struct proc_object
*p_proc_object
= (struct proc_object
*)hprocessor
;
326 status
= proc_get_processor_id(hprocessor
, &proc_id
);
328 if (proc_id
!= DSP_UNIT
)
331 status
= proc_get_dev_object(hprocessor
, &hdev_obj
);
333 status
= dev_get_node_manager(hdev_obj
, &hnode_mgr
);
334 if (hnode_mgr
== NULL
)
342 status
= dev_get_bridge_context(hdev_obj
, &pbridge_context
);
343 if (!pbridge_context
) {
348 status
= proc_get_state(hprocessor
, &proc_state
,
349 sizeof(struct dsp_processorstate
));
352 /* If processor is in error state then don't attempt
353 to send the message */
354 if (proc_state
.proc_state
== PROC_ERROR
) {
359 /* Assuming that 0 is not a valid function address */
360 if (hnode_mgr
->fxn_addrs
[0] == 0) {
361 /* No RMS on target - we currently can't handle this */
362 pr_err("%s: Failed, no RMS in base image\n", __func__
);
365 /* Validate attr_in fields, if non-NULL */
367 /* Check if attr_in->prio is within range */
368 if (attr_in
->prio
< hnode_mgr
->min_pri
||
369 attr_in
->prio
> hnode_mgr
->max_pri
)
373 /* Allocate node object and fill in */
377 pnode
= kzalloc(sizeof(struct node_object
), GFP_KERNEL
);
382 pnode
->node_mgr
= hnode_mgr
;
383 /* This critical section protects get_node_props */
384 mutex_lock(&hnode_mgr
->node_mgr_lock
);
386 /* Get dsp_ndbprops from node database */
387 status
= get_node_props(hnode_mgr
->dcd_mgr
, pnode
, node_uuid
,
388 &(pnode
->dcd_props
));
392 pnode
->node_uuid
= *node_uuid
;
393 pnode
->processor
= hprocessor
;
394 pnode
->ntype
= pnode
->dcd_props
.obj_data
.node_obj
.ndb_props
.ntype
;
395 pnode
->timeout
= pnode
->dcd_props
.obj_data
.node_obj
.ndb_props
.timeout
;
396 pnode
->prio
= pnode
->dcd_props
.obj_data
.node_obj
.ndb_props
.prio
;
398 /* Currently only C64 DSP builds support Node Dynamic * heaps */
399 /* Allocate memory for node heap */
400 pnode
->create_args
.asa
.task_arg_obj
.heap_size
= 0;
401 pnode
->create_args
.asa
.task_arg_obj
.dsp_heap_addr
= 0;
402 pnode
->create_args
.asa
.task_arg_obj
.dsp_heap_res_addr
= 0;
403 pnode
->create_args
.asa
.task_arg_obj
.gpp_heap_addr
= 0;
407 /* Check if we have a user allocated node heap */
408 if (!(attr_in
->pgpp_virt_addr
))
411 /* check for page aligned Heap size */
412 if (((attr_in
->heap_size
) & (PG_SIZE4K
- 1))) {
413 pr_err("%s: node heap size not aligned to 4K, size = 0x%x \n",
414 __func__
, attr_in
->heap_size
);
417 pnode
->create_args
.asa
.task_arg_obj
.heap_size
=
419 pnode
->create_args
.asa
.task_arg_obj
.gpp_heap_addr
=
420 (u32
) attr_in
->pgpp_virt_addr
;
425 status
= proc_reserve_memory(hprocessor
,
426 pnode
->create_args
.asa
.task_arg_obj
.
427 heap_size
+ PAGE_SIZE
,
428 (void **)&(pnode
->create_args
.asa
.
429 task_arg_obj
.dsp_heap_res_addr
),
432 pr_err("%s: Failed to reserve memory for heap: 0x%x\n",
437 status
= dmm_get_handle(p_proc_object
, &dmm_mgr
);
439 status
= DSP_EHANDLE
;
443 dmm_mem_map_dump(dmm_mgr
);
446 map_attrs
|= DSP_MAPLITTLEENDIAN
;
447 map_attrs
|= DSP_MAPELEMSIZE32
;
448 map_attrs
|= DSP_MAPVIRTUALADDR
;
449 status
= proc_map(hprocessor
, (void *)attr_in
->pgpp_virt_addr
,
450 pnode
->create_args
.asa
.task_arg_obj
.heap_size
,
451 (void *)pnode
->create_args
.asa
.task_arg_obj
.
452 dsp_heap_res_addr
, (void **)&mapped_addr
, map_attrs
,
455 pr_err("%s: Failed to map memory for Heap: 0x%x\n",
458 pnode
->create_args
.asa
.task_arg_obj
.dsp_heap_addr
=
462 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
463 if (attr_in
!= NULL
) {
464 /* Overrides of NBD properties */
465 pnode
->timeout
= attr_in
->timeout
;
466 pnode
->prio
= attr_in
->prio
;
468 /* Create object to manage notifications */
470 pnode
->ntfy_obj
= kmalloc(sizeof(struct ntfy_object
),
473 ntfy_init(pnode
->ntfy_obj
);
479 node_type
= node_get_type(pnode
);
480 /* Allocate dsp_streamconnect array for device, task, and
481 * dais socket nodes. */
482 if (node_type
!= NODE_MESSAGE
) {
483 num_streams
= MAX_INPUTS(pnode
) + MAX_OUTPUTS(pnode
);
484 pnode
->stream_connect
= kzalloc(num_streams
*
485 sizeof(struct dsp_streamconnect
),
487 if (num_streams
> 0 && pnode
->stream_connect
== NULL
)
491 if (!status
&& (node_type
== NODE_TASK
||
492 node_type
== NODE_DAISSOCKET
)) {
493 /* Allocate arrays for maintainig stream connections */
494 pnode
->inputs
= kzalloc(MAX_INPUTS(pnode
) *
495 sizeof(struct stream_chnl
), GFP_KERNEL
);
496 pnode
->outputs
= kzalloc(MAX_OUTPUTS(pnode
) *
497 sizeof(struct stream_chnl
), GFP_KERNEL
);
498 ptask_args
= &(pnode
->create_args
.asa
.task_arg_obj
);
499 ptask_args
->strm_in_def
= kzalloc(MAX_INPUTS(pnode
) *
500 sizeof(struct node_strmdef
),
502 ptask_args
->strm_out_def
= kzalloc(MAX_OUTPUTS(pnode
) *
503 sizeof(struct node_strmdef
),
505 if ((MAX_INPUTS(pnode
) > 0 && (pnode
->inputs
== NULL
||
506 ptask_args
->strm_in_def
508 || (MAX_OUTPUTS(pnode
) > 0
509 && (pnode
->outputs
== NULL
510 || ptask_args
->strm_out_def
== NULL
)))
514 if (!status
&& (node_type
!= NODE_DEVICE
)) {
515 /* Create an event that will be posted when RMS_EXIT is
517 pnode
->sync_done
= kzalloc(sizeof(struct sync_object
),
519 if (pnode
->sync_done
)
520 sync_init_event(pnode
->sync_done
);
525 /*Get the shared mem mgr for this nodes dev object */
526 status
= cmm_get_handle(hprocessor
, &hcmm_mgr
);
528 /* Allocate a SM addr translator for this node
530 status
= cmm_xlator_create(&pnode
->xlator
,
535 /* Fill in message args */
536 if ((pargs
!= NULL
) && (pargs
->cb_data
> 0)) {
538 &(pnode
->create_args
.asa
.node_msg_args
);
539 pmsg_args
->pdata
= kzalloc(pargs
->cb_data
,
541 if (pmsg_args
->pdata
== NULL
) {
544 pmsg_args
->arg_length
= pargs
->cb_data
;
545 memcpy(pmsg_args
->pdata
,
553 if (!status
&& node_type
!= NODE_DEVICE
) {
554 /* Create a message queue for this node */
555 intf_fxns
= hnode_mgr
->intf_fxns
;
557 (*intf_fxns
->msg_create_queue
) (hnode_mgr
->msg_mgr_obj
,
558 &pnode
->msg_queue_obj
,
560 pnode
->create_args
.asa
.
561 node_msg_args
.max_msgs
,
566 /* Create object for dynamic loading */
568 status
= hnode_mgr
->nldr_fxns
.allocate(hnode_mgr
->nldr_obj
,
574 &pnode
->phase_split
);
577 /* Compare value read from Node Properties and check if it is same as
578 * STACKSEGLABEL, if yes read the Address of STACKSEGLABEL, calculate
579 * GPP Address, Read the value in that address and override the
580 * stack_seg value in task args */
582 (char *)pnode
->dcd_props
.obj_data
.node_obj
.ndb_props
.
583 stack_seg_name
!= NULL
) {
585 pnode
->dcd_props
.obj_data
.node_obj
.ndb_props
.
586 stack_seg_name
, STACKSEGLABEL
) == 0) {
588 hnode_mgr
->nldr_fxns
.
589 get_fxn_addr(pnode
->nldr_node_obj
, "DYNEXT_BEG",
592 pr_err("%s: Failed to get addr for DYNEXT_BEG"
593 " status = 0x%x\n", __func__
, status
);
596 hnode_mgr
->nldr_fxns
.
597 get_fxn_addr(pnode
->nldr_node_obj
,
598 "L1DSRAM_HEAP", &pul_value
);
601 pr_err("%s: Failed to get addr for L1DSRAM_HEAP"
602 " status = 0x%x\n", __func__
, status
);
604 host_res
= pbridge_context
->resources
;
609 pr_err("%s: Failed to get host resource, status"
610 " = 0x%x\n", __func__
, status
);
614 ul_gpp_mem_base
= (u32
) host_res
->mem_base
[1];
615 off_set
= pul_value
- dynext_base
;
616 ul_stack_seg_addr
= ul_gpp_mem_base
+ off_set
;
617 ul_stack_seg_val
= readl(ul_stack_seg_addr
);
619 dev_dbg(bridge
, "%s: StackSegVal = 0x%x, StackSegAddr ="
620 " 0x%x\n", __func__
, ul_stack_seg_val
,
623 pnode
->create_args
.asa
.task_arg_obj
.stack_seg
=
630 /* Add the node to the node manager's list of allocated
632 NODE_SET_STATE(pnode
, NODE_ALLOCATED
);
634 mutex_lock(&hnode_mgr
->node_mgr_lock
);
636 list_add_tail(&pnode
->list_elem
, &hnode_mgr
->node_list
);
637 ++(hnode_mgr
->num_nodes
);
639 /* Exit critical section */
640 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
642 /* Preset this to assume phases are split
643 * (for overlay and dll) */
644 pnode
->phase_split
= true;
646 /* Notify all clients registered for DSP_NODESTATECHANGE. */
647 proc_notify_all_clients(hprocessor
, DSP_NODESTATECHANGE
);
651 delete_node(pnode
, pr_ctxt
);
656 status
= drv_insert_node_res_element(pnode
, &node_res
, pr_ctxt
);
658 delete_node(pnode
, pr_ctxt
);
662 *noderes
= (struct node_res_object
*)node_res
;
663 drv_proc_node_update_heap_status(node_res
, true);
664 drv_proc_node_update_status(node_res
, true);
667 dev_dbg(bridge
, "%s: hprocessor: %p pNodeId: %p pargs: %p attr_in: %p "
668 "node_res: %p status: 0x%x\n", __func__
, hprocessor
,
669 node_uuid
, pargs
, attr_in
, noderes
, status
);
674 * ======== node_alloc_msg_buf ========
676 * Allocates buffer for zero copy messaging.
678 DBAPI
node_alloc_msg_buf(struct node_object
*hnode
, u32 usize
,
679 struct dsp_bufferattr
*pattr
,
682 struct node_object
*pnode
= (struct node_object
*)hnode
;
684 bool va_flag
= false;
690 else if (node_get_type(pnode
) == NODE_DEVICE
)
697 pattr
= &node_dfltbufattrs
; /* set defaults */
699 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
700 if (proc_id
!= DSP_UNIT
) {
703 /* If segment ID includes MEM_SETVIRTUALSEGID then pbuffer is a
704 * virt address, so set this info in this node's translator
705 * object for future ref. If MEM_GETVIRTUALSEGID then retrieve
706 * virtual address from node's translator. */
707 if ((pattr
->segment_id
& MEM_SETVIRTUALSEGID
) ||
708 (pattr
->segment_id
& MEM_GETVIRTUALSEGID
)) {
710 set_info
= (pattr
->segment_id
& MEM_SETVIRTUALSEGID
) ?
712 /* Clear mask bits */
713 pattr
->segment_id
&= ~MEM_MASKVIRTUALSEGID
;
714 /* Set/get this node's translators virtual address base/size */
715 status
= cmm_xlator_info(pnode
->xlator
, pbuffer
, usize
,
716 pattr
->segment_id
, set_info
);
718 if (!status
&& (!va_flag
)) {
719 if (pattr
->segment_id
!= 1) {
720 /* Node supports single SM segment only. */
723 /* Arbitrary SM buffer alignment not supported for host side
724 * allocs, but guaranteed for the following alignment
726 switch (pattr
->buf_alignment
) {
733 /* alignment value not suportted */
738 /* allocate physical buffer from seg_id in node's
740 (void)cmm_xlator_alloc_buf(pnode
->xlator
, pbuffer
,
742 if (*pbuffer
== NULL
) {
743 pr_err("%s: error - Out of shared memory\n",
754 * ======== node_change_priority ========
756 * Change the priority of a node in the allocated state, or that is
757 * currently running or paused on the target.
759 int node_change_priority(struct node_object
*hnode
, s32 prio
)
761 struct node_object
*pnode
= (struct node_object
*)hnode
;
762 struct node_mgr
*hnode_mgr
= NULL
;
763 enum node_type node_type
;
764 enum node_state state
;
768 if (!hnode
|| !hnode
->node_mgr
) {
771 hnode_mgr
= hnode
->node_mgr
;
772 node_type
= node_get_type(hnode
);
773 if (node_type
!= NODE_TASK
&& node_type
!= NODE_DAISSOCKET
)
775 else if (prio
< hnode_mgr
->min_pri
|| prio
> hnode_mgr
->max_pri
)
781 /* Enter critical section */
782 mutex_lock(&hnode_mgr
->node_mgr_lock
);
784 state
= node_get_state(hnode
);
785 if (state
== NODE_ALLOCATED
|| state
== NODE_PAUSED
) {
786 NODE_SET_PRIORITY(hnode
, prio
);
788 if (state
!= NODE_RUNNING
) {
792 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
793 if (proc_id
== DSP_UNIT
) {
795 disp_node_change_priority(hnode_mgr
->disp_obj
,
798 [RMSCHANGENODEPRIORITY
],
799 hnode
->node_env
, prio
);
802 NODE_SET_PRIORITY(hnode
, prio
);
806 /* Leave critical section */
807 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
813 * ======== node_connect ========
815 * Connect two nodes on the DSP, or a node on the DSP to the GPP.
817 int node_connect(struct node_object
*node1
, u32 stream1
,
818 struct node_object
*node2
,
819 u32 stream2
, struct dsp_strmattr
*pattrs
,
820 struct dsp_cbdata
*conn_param
)
822 struct node_mgr
*hnode_mgr
;
823 char *pstr_dev_name
= NULL
;
824 enum node_type node1_type
= NODE_TASK
;
825 enum node_type node2_type
= NODE_TASK
;
826 enum dsp_strmmode strm_mode
;
827 struct node_strmdef
*pstrm_def
;
828 struct node_strmdef
*input
= NULL
;
829 struct node_strmdef
*output
= NULL
;
830 struct node_object
*dev_node_obj
;
831 struct node_object
*hnode
;
832 struct stream_chnl
*pstream
;
839 if (!node1
|| !node2
)
842 /* The two nodes must be on the same processor */
843 if (node1
!= (struct node_object
*)DSP_HGPPNODE
&&
844 node2
!= (struct node_object
*)DSP_HGPPNODE
&&
845 node1
->node_mgr
!= node2
->node_mgr
)
848 /* Cannot connect a node to itself */
852 /* node_get_type() will return NODE_GPP if hnode = DSP_HGPPNODE. */
853 node1_type
= node_get_type(node1
);
854 node2_type
= node_get_type(node2
);
855 /* Check stream indices ranges */
856 if ((node1_type
!= NODE_GPP
&& node1_type
!= NODE_DEVICE
&&
857 stream1
>= MAX_OUTPUTS(node1
)) ||
858 (node2_type
!= NODE_GPP
&& node2_type
!= NODE_DEVICE
&&
859 stream2
>= MAX_INPUTS(node2
)))
863 * Only the following types of connections are allowed:
864 * task/dais socket < == > task/dais socket
865 * task/dais socket < == > device
866 * task/dais socket < == > GPP
868 * ie, no message nodes, and at least one task or dais
871 if (node1_type
== NODE_MESSAGE
|| node2_type
== NODE_MESSAGE
||
872 (node1_type
!= NODE_TASK
&&
873 node1_type
!= NODE_DAISSOCKET
&&
874 node2_type
!= NODE_TASK
&&
875 node2_type
!= NODE_DAISSOCKET
))
878 * Check stream mode. Default is STRMMODE_PROCCOPY.
880 if (pattrs
&& pattrs
->strm_mode
!= STRMMODE_PROCCOPY
)
881 return -EPERM
; /* illegal stream mode */
883 if (node1_type
!= NODE_GPP
) {
884 hnode_mgr
= node1
->node_mgr
;
886 hnode_mgr
= node2
->node_mgr
;
889 /* Enter critical section */
890 mutex_lock(&hnode_mgr
->node_mgr_lock
);
892 /* Nodes must be in the allocated state */
893 if (node1_type
!= NODE_GPP
&&
894 node_get_state(node1
) != NODE_ALLOCATED
) {
899 if (node2_type
!= NODE_GPP
&&
900 node_get_state(node2
) != NODE_ALLOCATED
) {
906 * Check that stream indices for task and dais socket nodes
907 * are not already be used. (Device nodes checked later)
909 if (node1_type
== NODE_TASK
|| node1_type
== NODE_DAISSOCKET
) {
910 output
= &(node1
->create_args
.asa
.
911 task_arg_obj
.strm_out_def
[stream1
]);
912 if (output
->sz_device
) {
918 if (node2_type
== NODE_TASK
|| node2_type
== NODE_DAISSOCKET
) {
919 input
= &(node2
->create_args
.asa
.
920 task_arg_obj
.strm_in_def
[stream2
]);
921 if (input
->sz_device
) {
927 /* Connecting two task nodes? */
928 if ((node1_type
== NODE_TASK
|| node1_type
== NODE_DAISSOCKET
) &&
929 (node2_type
== NODE_TASK
||
930 node2_type
== NODE_DAISSOCKET
)) {
931 /* Find available pipe */
932 pipe_id
= find_first_zero_bit(hnode_mgr
->pipe_map
, MAXPIPES
);
933 if (pipe_id
== MAXPIPES
) {
934 status
= -ECONNREFUSED
;
937 set_bit(pipe_id
, hnode_mgr
->pipe_map
);
938 node1
->outputs
[stream1
].type
= NODECONNECT
;
939 node2
->inputs
[stream2
].type
= NODECONNECT
;
940 node1
->outputs
[stream1
].dev_id
= pipe_id
;
941 node2
->inputs
[stream2
].dev_id
= pipe_id
;
942 output
->sz_device
= kzalloc(PIPENAMELEN
+ 1, GFP_KERNEL
);
943 input
->sz_device
= kzalloc(PIPENAMELEN
+ 1, GFP_KERNEL
);
944 if (!output
->sz_device
|| !input
->sz_device
) {
945 /* Undo the connection */
946 kfree(output
->sz_device
);
947 kfree(input
->sz_device
);
948 clear_bit(pipe_id
, hnode_mgr
->pipe_map
);
952 /* Copy "/dbpipe<pipId>" name to device names */
953 sprintf(output
->sz_device
, "%s%d", PIPEPREFIX
, pipe_id
);
954 strcpy(input
->sz_device
, output
->sz_device
);
956 /* Connecting task node to host? */
957 if (node1_type
== NODE_GPP
|| node2_type
== NODE_GPP
) {
958 pstr_dev_name
= kzalloc(HOSTNAMELEN
+ 1, GFP_KERNEL
);
959 if (!pstr_dev_name
) {
964 chnl_mode
= (node1_type
== NODE_GPP
) ?
965 CHNL_MODETODSP
: CHNL_MODEFROMDSP
;
968 * Reserve a channel id. We need to put the name "/host<id>"
969 * in the node's create_args, but the host
970 * side channel will not be opened until DSPStream_Open is
971 * called for this node.
973 strm_mode
= pattrs
? pattrs
->strm_mode
: STRMMODE_PROCCOPY
;
976 chnl_id
= find_first_zero_bit(hnode_mgr
->dma_chnl_map
,
978 if (chnl_id
< CHNL_MAXCHANNELS
) {
979 set_bit(chnl_id
, hnode_mgr
->dma_chnl_map
);
980 /* dma chans are 2nd transport chnl set
982 chnl_id
= chnl_id
+ hnode_mgr
->num_chnls
;
985 case STRMMODE_ZEROCOPY
:
986 chnl_id
= find_first_zero_bit(hnode_mgr
->zc_chnl_map
,
988 if (chnl_id
< CHNL_MAXCHANNELS
) {
989 set_bit(chnl_id
, hnode_mgr
->zc_chnl_map
);
990 /* zero-copy chans are 3nd transport set
993 (2 * hnode_mgr
->num_chnls
);
996 case STRMMODE_PROCCOPY
:
997 chnl_id
= find_first_zero_bit(hnode_mgr
->chnl_map
,
999 if (chnl_id
< CHNL_MAXCHANNELS
)
1000 set_bit(chnl_id
, hnode_mgr
->chnl_map
);
1006 if (chnl_id
== CHNL_MAXCHANNELS
) {
1007 status
= -ECONNREFUSED
;
1011 if (node1
== (struct node_object
*)DSP_HGPPNODE
) {
1012 node2
->inputs
[stream2
].type
= HOSTCONNECT
;
1013 node2
->inputs
[stream2
].dev_id
= chnl_id
;
1014 input
->sz_device
= pstr_dev_name
;
1016 node1
->outputs
[stream1
].type
= HOSTCONNECT
;
1017 node1
->outputs
[stream1
].dev_id
= chnl_id
;
1018 output
->sz_device
= pstr_dev_name
;
1020 sprintf(pstr_dev_name
, "%s%d", HOSTPREFIX
, chnl_id
);
1022 /* Connecting task node to device node? */
1023 if ((node1_type
== NODE_DEVICE
) || (node2_type
== NODE_DEVICE
)) {
1024 if (node2_type
== NODE_DEVICE
) {
1025 /* node1 == > device */
1026 dev_node_obj
= node2
;
1028 pstream
= &(node1
->outputs
[stream1
]);
1031 /* device == > node2 */
1032 dev_node_obj
= node1
;
1034 pstream
= &(node2
->inputs
[stream2
]);
1037 /* Set up create args */
1038 pstream
->type
= DEVICECONNECT
;
1039 dw_length
= strlen(dev_node_obj
->str_dev_name
);
1041 pstrm_def
->sz_device
= kzalloc(dw_length
+ 1 +
1042 conn_param
->cb_data
,
1045 pstrm_def
->sz_device
= kzalloc(dw_length
+ 1,
1047 if (!pstrm_def
->sz_device
) {
1051 /* Copy device name */
1052 strncpy(pstrm_def
->sz_device
,
1053 dev_node_obj
->str_dev_name
, dw_length
);
1055 strncat(pstrm_def
->sz_device
,
1056 (char *)conn_param
->node_data
,
1057 (u32
) conn_param
->cb_data
);
1058 dev_node_obj
->device_owner
= hnode
;
1060 /* Fill in create args */
1061 if (node1_type
== NODE_TASK
|| node1_type
== NODE_DAISSOCKET
) {
1062 node1
->create_args
.asa
.task_arg_obj
.num_outputs
++;
1063 fill_stream_def(node1
, output
, pattrs
);
1065 if (node2_type
== NODE_TASK
|| node2_type
== NODE_DAISSOCKET
) {
1066 node2
->create_args
.asa
.task_arg_obj
.num_inputs
++;
1067 fill_stream_def(node2
, input
, pattrs
);
1069 /* Update node1 and node2 stream_connect */
1070 if (node1_type
!= NODE_GPP
&& node1_type
!= NODE_DEVICE
) {
1071 node1
->num_outputs
++;
1072 if (stream1
> node1
->max_output_index
)
1073 node1
->max_output_index
= stream1
;
1076 if (node2_type
!= NODE_GPP
&& node2_type
!= NODE_DEVICE
) {
1077 node2
->num_inputs
++;
1078 if (stream2
> node2
->max_input_index
)
1079 node2
->max_input_index
= stream2
;
1082 fill_stream_connect(node1
, node2
, stream1
, stream2
);
1083 /* end of sync_enter_cs */
1084 /* Exit critical section */
1086 if (status
&& pstr_dev_name
)
1087 kfree(pstr_dev_name
);
1088 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
1089 dev_dbg(bridge
, "%s: node1: %p stream1: %d node2: %p stream2: %d"
1090 "pattrs: %p status: 0x%x\n", __func__
, node1
,
1091 stream1
, node2
, stream2
, pattrs
, status
);
1096 * ======== node_create ========
1098 * Create a node on the DSP by remotely calling the node's create function.
1100 int node_create(struct node_object
*hnode
)
1102 struct node_object
*pnode
= (struct node_object
*)hnode
;
1103 struct node_mgr
*hnode_mgr
;
1104 struct bridge_drv_interface
*intf_fxns
;
1106 enum node_type node_type
;
1109 struct dsp_cbdata cb_data
;
1111 struct dsp_processorstate proc_state
;
1112 struct proc_object
*hprocessor
;
1113 #if defined(CONFIG_TIDSPBRIDGE_DVFS) && !defined(CONFIG_CPU_FREQ)
1114 struct dspbridge_platform_data
*pdata
=
1115 omap_dspbridge_dev
->dev
.platform_data
;
1122 hprocessor
= hnode
->processor
;
1123 status
= proc_get_state(hprocessor
, &proc_state
,
1124 sizeof(struct dsp_processorstate
));
1127 /* If processor is in error state then don't attempt to create
1129 if (proc_state
.proc_state
== PROC_ERROR
) {
1133 /* create struct dsp_cbdata struct for PWR calls */
1134 cb_data
.cb_data
= PWR_TIMEOUT
;
1135 node_type
= node_get_type(hnode
);
1136 hnode_mgr
= hnode
->node_mgr
;
1137 intf_fxns
= hnode_mgr
->intf_fxns
;
1138 /* Get access to node dispatcher */
1139 mutex_lock(&hnode_mgr
->node_mgr_lock
);
1141 /* Check node state */
1142 if (node_get_state(hnode
) != NODE_ALLOCATED
)
1146 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
1151 if (proc_id
!= DSP_UNIT
)
1154 /* Make sure streams are properly connected */
1155 if ((hnode
->num_inputs
&& hnode
->max_input_index
>
1156 hnode
->num_inputs
- 1) ||
1157 (hnode
->num_outputs
&& hnode
->max_output_index
>
1158 hnode
->num_outputs
- 1))
1162 /* If node's create function is not loaded, load it */
1163 /* Boost the OPP level to max level that DSP can be requested */
1164 #if defined(CONFIG_TIDSPBRIDGE_DVFS) && !defined(CONFIG_CPU_FREQ)
1165 if (pdata
->cpu_set_freq
)
1166 (*pdata
->cpu_set_freq
) (pdata
->mpu_speed
[VDD1_OPP3
]);
1168 status
= hnode_mgr
->nldr_fxns
.load(hnode
->nldr_node_obj
,
1170 /* Get address of node's create function */
1172 hnode
->loaded
= true;
1173 if (node_type
!= NODE_DEVICE
) {
1174 status
= get_fxn_address(hnode
, &ul_create_fxn
,
1178 pr_err("%s: failed to load create code: 0x%x\n",
1181 /* Request the lowest OPP level */
1182 #if defined(CONFIG_TIDSPBRIDGE_DVFS) && !defined(CONFIG_CPU_FREQ)
1183 if (pdata
->cpu_set_freq
)
1184 (*pdata
->cpu_set_freq
) (pdata
->mpu_speed
[VDD1_OPP1
]);
1186 /* Get address of iAlg functions, if socket node */
1188 if (node_type
== NODE_DAISSOCKET
) {
1189 status
= hnode_mgr
->nldr_fxns
.get_fxn_addr
1190 (hnode
->nldr_node_obj
,
1191 hnode
->dcd_props
.obj_data
.node_obj
.
1193 &hnode
->create_args
.asa
.
1194 task_arg_obj
.dais_arg
);
1199 if (node_type
!= NODE_DEVICE
) {
1200 status
= disp_node_create(hnode_mgr
->disp_obj
, hnode
,
1201 hnode_mgr
->fxn_addrs
1204 &(hnode
->create_args
),
1205 &(hnode
->node_env
));
1207 /* Set the message queue id to the node env
1209 intf_fxns
= hnode_mgr
->intf_fxns
;
1210 (*intf_fxns
->msg_set_queue_id
) (hnode
->
1216 /* Phase II/Overlays: Create, execute, delete phases possibly in
1217 * different files/sections. */
1218 if (hnode
->loaded
&& hnode
->phase_split
) {
1219 /* If create code was dynamically loaded, we can now unload
1221 status1
= hnode_mgr
->nldr_fxns
.unload(hnode
->nldr_node_obj
,
1223 hnode
->loaded
= false;
1226 pr_err("%s: Failed to unload create code: 0x%x\n",
1229 /* Update node state and node manager state */
1231 NODE_SET_STATE(hnode
, NODE_CREATED
);
1232 hnode_mgr
->num_created
++;
1235 if (status
!= -EBADR
) {
1236 /* Put back in NODE_ALLOCATED state if error occurred */
1237 NODE_SET_STATE(hnode
, NODE_ALLOCATED
);
1240 /* Free access to node dispatcher */
1241 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
1244 proc_notify_clients(hnode
->processor
, DSP_NODESTATECHANGE
);
1245 ntfy_notify(hnode
->ntfy_obj
, DSP_NODESTATECHANGE
);
1248 dev_dbg(bridge
, "%s: hnode: %p status: 0x%x\n", __func__
,
1254 * ======== node_create_mgr ========
1256 * Create a NODE Manager object.
1258 int node_create_mgr(struct node_mgr
**node_man
,
1259 struct dev_object
*hdev_obj
)
1262 struct node_mgr
*node_mgr_obj
= NULL
;
1263 struct disp_attr disp_attr_obj
;
1264 char *sz_zl_file
= "";
1265 struct nldr_attrs nldr_attrs_obj
;
1270 /* Allocate Node manager object */
1271 node_mgr_obj
= kzalloc(sizeof(struct node_mgr
), GFP_KERNEL
);
1275 node_mgr_obj
->dev_obj
= hdev_obj
;
1277 node_mgr_obj
->ntfy_obj
= kmalloc(sizeof(struct ntfy_object
),
1279 if (!node_mgr_obj
->ntfy_obj
) {
1283 ntfy_init(node_mgr_obj
->ntfy_obj
);
1285 INIT_LIST_HEAD(&node_mgr_obj
->node_list
);
1287 dev_get_dev_type(hdev_obj
, &dev_type
);
1289 status
= dcd_create_manager(sz_zl_file
, &node_mgr_obj
->dcd_mgr
);
1293 status
= get_proc_props(node_mgr_obj
, hdev_obj
);
1297 /* Create NODE Dispatcher */
1298 disp_attr_obj
.chnl_offset
= node_mgr_obj
->chnl_offset
;
1299 disp_attr_obj
.chnl_buf_size
= node_mgr_obj
->chnl_buf_size
;
1300 disp_attr_obj
.proc_family
= node_mgr_obj
->proc_family
;
1301 disp_attr_obj
.proc_type
= node_mgr_obj
->proc_type
;
1303 status
= disp_create(&node_mgr_obj
->disp_obj
, hdev_obj
, &disp_attr_obj
);
1307 /* Create a STRM Manager */
1308 status
= strm_create(&node_mgr_obj
->strm_mgr_obj
, hdev_obj
);
1312 dev_get_intf_fxns(hdev_obj
, &node_mgr_obj
->intf_fxns
);
1313 /* Get msg_ctrl queue manager */
1314 dev_get_msg_mgr(hdev_obj
, &node_mgr_obj
->msg_mgr_obj
);
1315 mutex_init(&node_mgr_obj
->node_mgr_lock
);
1317 /* Block out reserved channels */
1318 for (i
= 0; i
< node_mgr_obj
->chnl_offset
; i
++)
1319 set_bit(i
, node_mgr_obj
->chnl_map
);
1321 /* Block out channels reserved for RMS */
1322 set_bit(node_mgr_obj
->chnl_offset
, node_mgr_obj
->chnl_map
);
1323 set_bit(node_mgr_obj
->chnl_offset
+ 1, node_mgr_obj
->chnl_map
);
1325 /* NO RM Server on the IVA */
1326 if (dev_type
!= IVA_UNIT
) {
1327 /* Get addresses of any RMS functions loaded */
1328 status
= get_rms_fxns(node_mgr_obj
);
1333 /* Get loader functions and create loader */
1334 node_mgr_obj
->nldr_fxns
= nldr_fxns
; /* Dyn loader funcs */
1336 nldr_attrs_obj
.ovly
= ovly
;
1337 nldr_attrs_obj
.write
= mem_write
;
1338 nldr_attrs_obj
.dsp_word_size
= node_mgr_obj
->dsp_word_size
;
1339 nldr_attrs_obj
.dsp_mau_size
= node_mgr_obj
->dsp_mau_size
;
1340 node_mgr_obj
->loader_init
= node_mgr_obj
->nldr_fxns
.init();
1341 status
= node_mgr_obj
->nldr_fxns
.create(&node_mgr_obj
->nldr_obj
,
1347 *node_man
= node_mgr_obj
;
1351 delete_node_mgr(node_mgr_obj
);
1356 * ======== node_delete ========
1358 * Delete a node on the DSP by remotely calling the node's delete function.
1359 * Loads the node's delete function if necessary. Free GPP side resources
1360 * after node's delete function returns.
1362 int node_delete(struct node_res_object
*noderes
,
1363 struct process_context
*pr_ctxt
)
1365 struct node_object
*pnode
= noderes
->node
;
1366 struct node_mgr
*hnode_mgr
;
1367 struct proc_object
*hprocessor
;
1368 struct disp_object
*disp_obj
;
1370 enum node_type node_type
;
1371 enum node_state state
;
1374 struct dsp_cbdata cb_data
;
1376 struct bridge_drv_interface
*intf_fxns
;
1378 void *node_res
= noderes
;
1380 struct dsp_processorstate proc_state
;
1386 /* create struct dsp_cbdata struct for PWR call */
1387 cb_data
.cb_data
= PWR_TIMEOUT
;
1388 hnode_mgr
= pnode
->node_mgr
;
1389 hprocessor
= pnode
->processor
;
1390 disp_obj
= hnode_mgr
->disp_obj
;
1391 node_type
= node_get_type(pnode
);
1392 intf_fxns
= hnode_mgr
->intf_fxns
;
1393 /* Enter critical section */
1394 mutex_lock(&hnode_mgr
->node_mgr_lock
);
1396 state
= node_get_state(pnode
);
1397 /* Execute delete phase code for non-device node in all cases
1398 * except when the node was only allocated. Delete phase must be
1399 * executed even if create phase was executed, but failed.
1400 * If the node environment pointer is non-NULL, the delete phase
1401 * code must be executed. */
1402 if (!(state
== NODE_ALLOCATED
&& pnode
->node_env
== (u32
) NULL
) &&
1403 node_type
!= NODE_DEVICE
) {
1404 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
1408 if (proc_id
== DSP_UNIT
|| proc_id
== IVA_UNIT
) {
1409 /* If node has terminated, execute phase code will
1410 * have already been unloaded in node_on_exit(). If the
1411 * node is PAUSED, the execute phase is loaded, and it
1412 * is now ok to unload it. If the node is running, we
1413 * will unload the execute phase only after deleting
1415 if (state
== NODE_PAUSED
&& pnode
->loaded
&&
1416 pnode
->phase_split
) {
1417 /* Ok to unload execute code as long as node
1418 * is not * running */
1420 hnode_mgr
->nldr_fxns
.
1421 unload(pnode
->nldr_node_obj
,
1423 pnode
->loaded
= false;
1424 NODE_SET_STATE(pnode
, NODE_DONE
);
1426 /* Load delete phase code if not loaded or if haven't
1427 * * unloaded EXECUTE phase */
1428 if ((!(pnode
->loaded
) || (state
== NODE_RUNNING
)) &&
1429 pnode
->phase_split
) {
1431 hnode_mgr
->nldr_fxns
.
1432 load(pnode
->nldr_node_obj
, NLDR_DELETE
);
1434 pnode
->loaded
= true;
1436 pr_err("%s: fail - load delete code:"
1437 " 0x%x\n", __func__
, status
);
1442 /* Unblock a thread trying to terminate the node */
1443 (void)sync_set_event(pnode
->sync_done
);
1444 if (proc_id
== DSP_UNIT
) {
1445 /* ul_delete_fxn = address of node's delete
1447 status
= get_fxn_address(pnode
, &ul_delete_fxn
,
1449 } else if (proc_id
== IVA_UNIT
)
1450 ul_delete_fxn
= (u32
) pnode
->node_env
;
1452 status
= proc_get_state(hprocessor
,
1455 dsp_processorstate
));
1456 if (proc_state
.proc_state
!= PROC_ERROR
) {
1458 disp_node_delete(disp_obj
, pnode
,
1465 NODE_SET_STATE(pnode
, NODE_DONE
);
1467 /* Unload execute, if not unloaded, and delete
1469 if (state
== NODE_RUNNING
&&
1470 pnode
->phase_split
) {
1472 hnode_mgr
->nldr_fxns
.
1473 unload(pnode
->nldr_node_obj
,
1477 pr_err("%s: fail - unload execute code:"
1478 " 0x%x\n", __func__
, status1
);
1481 hnode_mgr
->nldr_fxns
.unload(pnode
->
1484 pnode
->loaded
= false;
1486 pr_err("%s: fail - unload delete code: "
1487 "0x%x\n", __func__
, status1
);
1491 /* Free host side resources even if a failure occurred */
1492 /* Remove node from hnode_mgr->node_list */
1493 list_del(&pnode
->list_elem
);
1494 hnode_mgr
->num_nodes
--;
1495 /* Decrement count of nodes created on DSP */
1496 if ((state
!= NODE_ALLOCATED
) || ((state
== NODE_ALLOCATED
) &&
1497 (pnode
->node_env
!= (u32
) NULL
)))
1498 hnode_mgr
->num_created
--;
1499 /* Free host-side resources allocated by node_create()
1500 * delete_node() fails if SM buffers not freed by client! */
1501 drv_proc_node_update_status(node_res
, false);
1502 delete_node(pnode
, pr_ctxt
);
1505 * Release all Node resources and its context
1507 idr_remove(pr_ctxt
->node_id
, ((struct node_res_object
*)node_res
)->id
);
1510 /* Exit critical section */
1511 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
1512 proc_notify_clients(hprocessor
, DSP_NODESTATECHANGE
);
1514 dev_dbg(bridge
, "%s: pnode: %p status 0x%x\n", __func__
, pnode
, status
);
1519 * ======== node_delete_mgr ========
1521 * Delete the NODE Manager.
1523 int node_delete_mgr(struct node_mgr
*hnode_mgr
)
1528 delete_node_mgr(hnode_mgr
);
1534 * ======== node_enum_nodes ========
1536 * Enumerate currently allocated nodes.
1538 int node_enum_nodes(struct node_mgr
*hnode_mgr
, void **node_tab
,
1539 u32 node_tab_size
, u32
*pu_num_nodes
,
1542 struct node_object
*hnode
;
1550 /* Enter critical section */
1551 mutex_lock(&hnode_mgr
->node_mgr_lock
);
1553 if (hnode_mgr
->num_nodes
> node_tab_size
) {
1554 *pu_allocated
= hnode_mgr
->num_nodes
;
1558 list_for_each_entry(hnode
, &hnode_mgr
->node_list
, list_elem
)
1559 node_tab
[i
++] = hnode
;
1560 *pu_allocated
= *pu_num_nodes
= hnode_mgr
->num_nodes
;
1562 /* end of sync_enter_cs */
1563 /* Exit critical section */
1564 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
1570 * ======== node_free_msg_buf ========
1572 * Frees the message buffer.
1574 int node_free_msg_buf(struct node_object
*hnode
, u8
* pbuffer
,
1575 struct dsp_bufferattr
*pattr
)
1577 struct node_object
*pnode
= (struct node_object
*)hnode
;
1585 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
1586 if (proc_id
== DSP_UNIT
) {
1588 if (pattr
== NULL
) {
1590 pattr
= &node_dfltbufattrs
;
1592 /* Node supports single SM segment only */
1593 if (pattr
->segment_id
!= 1)
1596 /* pbuffer is clients Va. */
1597 status
= cmm_xlator_free_buf(pnode
->xlator
, pbuffer
);
1606 * ======== node_get_attr ========
1608 * Copy the current attributes of the specified node into a dsp_nodeattr
1611 int node_get_attr(struct node_object
*hnode
,
1612 struct dsp_nodeattr
*pattr
, u32 attr_size
)
1614 struct node_mgr
*hnode_mgr
;
1619 hnode_mgr
= hnode
->node_mgr
;
1620 /* Enter hnode_mgr critical section (since we're accessing
1621 * data that could be changed by node_change_priority() and
1622 * node_connect(). */
1623 mutex_lock(&hnode_mgr
->node_mgr_lock
);
1624 pattr
->cb_struct
= sizeof(struct dsp_nodeattr
);
1625 /* dsp_nodeattrin */
1626 pattr
->in_node_attr_in
.cb_struct
=
1627 sizeof(struct dsp_nodeattrin
);
1628 pattr
->in_node_attr_in
.prio
= hnode
->prio
;
1629 pattr
->in_node_attr_in
.timeout
= hnode
->timeout
;
1630 pattr
->in_node_attr_in
.heap_size
=
1631 hnode
->create_args
.asa
.task_arg_obj
.heap_size
;
1632 pattr
->in_node_attr_in
.pgpp_virt_addr
= (void *)
1633 hnode
->create_args
.asa
.task_arg_obj
.gpp_heap_addr
;
1634 pattr
->node_attr_inputs
= hnode
->num_gpp_inputs
;
1635 pattr
->node_attr_outputs
= hnode
->num_gpp_outputs
;
1637 get_node_info(hnode
, &(pattr
->node_info
));
1638 /* end of sync_enter_cs */
1639 /* Exit critical section */
1640 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
1646 * ======== node_get_channel_id ========
1648 * Get the channel index reserved for a stream connection between the
1651 int node_get_channel_id(struct node_object
*hnode
, u32 dir
, u32 index
,
1654 enum node_type node_type
;
1655 int status
= -EINVAL
;
1661 node_type
= node_get_type(hnode
);
1662 if (node_type
!= NODE_TASK
&& node_type
!= NODE_DAISSOCKET
) {
1666 if (dir
== DSP_TONODE
) {
1667 if (index
< MAX_INPUTS(hnode
)) {
1668 if (hnode
->inputs
[index
].type
== HOSTCONNECT
) {
1669 *chan_id
= hnode
->inputs
[index
].dev_id
;
1674 if (index
< MAX_OUTPUTS(hnode
)) {
1675 if (hnode
->outputs
[index
].type
== HOSTCONNECT
) {
1676 *chan_id
= hnode
->outputs
[index
].dev_id
;
1685 * ======== node_get_message ========
1687 * Retrieve a message from a node on the DSP.
1689 int node_get_message(struct node_object
*hnode
,
1690 struct dsp_msg
*message
, u32 utimeout
)
1692 struct node_mgr
*hnode_mgr
;
1693 enum node_type node_type
;
1694 struct bridge_drv_interface
*intf_fxns
;
1697 struct dsp_processorstate proc_state
;
1698 struct proc_object
*hprocessor
;
1704 hprocessor
= hnode
->processor
;
1705 status
= proc_get_state(hprocessor
, &proc_state
,
1706 sizeof(struct dsp_processorstate
));
1709 /* If processor is in error state then don't attempt to get the
1711 if (proc_state
.proc_state
== PROC_ERROR
) {
1715 hnode_mgr
= hnode
->node_mgr
;
1716 node_type
= node_get_type(hnode
);
1717 if (node_type
!= NODE_MESSAGE
&& node_type
!= NODE_TASK
&&
1718 node_type
!= NODE_DAISSOCKET
) {
1722 /* This function will block unless a message is available. Since
1723 * DSPNode_RegisterNotify() allows notification when a message
1724 * is available, the system can be designed so that
1725 * DSPNode_GetMessage() is only called when a message is
1727 intf_fxns
= hnode_mgr
->intf_fxns
;
1729 (*intf_fxns
->msg_get
) (hnode
->msg_queue_obj
, message
, utimeout
);
1730 /* Check if message contains SM descriptor */
1731 if (status
|| !(message
->cmd
& DSP_RMSBUFDESC
))
1734 /* Translate DSP byte addr to GPP Va. */
1735 tmp_buf
= cmm_xlator_translate(hnode
->xlator
,
1736 (void *)(message
->arg1
*
1738 dsp_word_size
), CMM_DSPPA2PA
);
1739 if (tmp_buf
!= NULL
) {
1740 /* now convert this GPP Pa to Va */
1741 tmp_buf
= cmm_xlator_translate(hnode
->xlator
, tmp_buf
,
1743 if (tmp_buf
!= NULL
) {
1744 /* Adjust SM size in msg */
1745 message
->arg1
= (u32
) tmp_buf
;
1746 message
->arg2
*= hnode
->node_mgr
->dsp_word_size
;
1754 dev_dbg(bridge
, "%s: hnode: %p message: %p utimeout: 0x%x\n", __func__
,
1755 hnode
, message
, utimeout
);
1760 * ======== node_get_nldr_obj ========
1762 int node_get_nldr_obj(struct node_mgr
*hnode_mgr
,
1763 struct nldr_object
**nldr_ovlyobj
)
1766 struct node_mgr
*node_mgr_obj
= hnode_mgr
;
1771 *nldr_ovlyobj
= node_mgr_obj
->nldr_obj
;
1777 * ======== node_get_strm_mgr ========
1779 * Returns the Stream manager.
1781 int node_get_strm_mgr(struct node_object
*hnode
,
1782 struct strm_mgr
**strm_man
)
1789 *strm_man
= hnode
->node_mgr
->strm_mgr_obj
;
1795 * ======== node_get_load_type ========
1797 enum nldr_loadtype
node_get_load_type(struct node_object
*hnode
)
1800 dev_dbg(bridge
, "%s: Failed. hnode: %p\n", __func__
, hnode
);
1803 return hnode
->dcd_props
.obj_data
.node_obj
.load_type
;
1808 * ======== node_get_timeout ========
1810 * Returns the timeout value for this node.
1812 u32
node_get_timeout(struct node_object
*hnode
)
1815 dev_dbg(bridge
, "%s: failed. hnode: %p\n", __func__
, hnode
);
1818 return hnode
->timeout
;
1823 * ======== node_get_type ========
1825 * Returns the node type.
1827 enum node_type
node_get_type(struct node_object
*hnode
)
1829 enum node_type node_type
;
1831 if (hnode
== (struct node_object
*)DSP_HGPPNODE
)
1832 node_type
= NODE_GPP
;
1837 node_type
= hnode
->ntype
;
1843 * ======== node_on_exit ========
1845 * Gets called when RMS_EXIT is received for a node.
1847 void node_on_exit(struct node_object
*hnode
, s32 node_status
)
1852 /* Set node state to done */
1853 NODE_SET_STATE(hnode
, NODE_DONE
);
1854 hnode
->exit_status
= node_status
;
1855 if (hnode
->loaded
&& hnode
->phase_split
) {
1856 (void)hnode
->node_mgr
->nldr_fxns
.unload(hnode
->
1859 hnode
->loaded
= false;
1861 /* Unblock call to node_terminate */
1862 (void)sync_set_event(hnode
->sync_done
);
1863 /* Notify clients */
1864 proc_notify_clients(hnode
->processor
, DSP_NODESTATECHANGE
);
1865 ntfy_notify(hnode
->ntfy_obj
, DSP_NODESTATECHANGE
);
1869 * ======== node_pause ========
1871 * Suspend execution of a node currently running on the DSP.
1873 int node_pause(struct node_object
*hnode
)
1875 struct node_object
*pnode
= (struct node_object
*)hnode
;
1876 enum node_type node_type
;
1877 enum node_state state
;
1878 struct node_mgr
*hnode_mgr
;
1881 struct dsp_processorstate proc_state
;
1882 struct proc_object
*hprocessor
;
1887 node_type
= node_get_type(hnode
);
1888 if (node_type
!= NODE_TASK
&& node_type
!= NODE_DAISSOCKET
)
1894 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
1896 if (proc_id
== IVA_UNIT
)
1900 hnode_mgr
= hnode
->node_mgr
;
1902 /* Enter critical section */
1903 mutex_lock(&hnode_mgr
->node_mgr_lock
);
1904 state
= node_get_state(hnode
);
1905 /* Check node state */
1906 if (state
!= NODE_RUNNING
)
1911 hprocessor
= hnode
->processor
;
1912 status
= proc_get_state(hprocessor
, &proc_state
,
1913 sizeof(struct dsp_processorstate
));
1916 /* If processor is in error state then don't attempt
1917 to send the message */
1918 if (proc_state
.proc_state
== PROC_ERROR
) {
1923 status
= disp_node_change_priority(hnode_mgr
->disp_obj
, hnode
,
1924 hnode_mgr
->fxn_addrs
[RMSCHANGENODEPRIORITY
],
1925 hnode
->node_env
, NODE_SUSPENDEDPRI
);
1929 NODE_SET_STATE(hnode
, NODE_PAUSED
);
1932 /* End of sync_enter_cs */
1933 /* Leave critical section */
1934 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
1936 proc_notify_clients(hnode
->processor
,
1937 DSP_NODESTATECHANGE
);
1938 ntfy_notify(hnode
->ntfy_obj
, DSP_NODESTATECHANGE
);
1942 dev_dbg(bridge
, "%s: hnode: %p status 0x%x\n", __func__
, hnode
, status
);
1947 * ======== node_put_message ========
1949 * Send a message to a message node, task node, or XDAIS socket node. This
1950 * function will block until the message stream can accommodate the
1951 * message, or a timeout occurs.
1953 int node_put_message(struct node_object
*hnode
,
1954 const struct dsp_msg
*pmsg
, u32 utimeout
)
1956 struct node_mgr
*hnode_mgr
= NULL
;
1957 enum node_type node_type
;
1958 struct bridge_drv_interface
*intf_fxns
;
1959 enum node_state state
;
1962 struct dsp_msg new_msg
;
1963 struct dsp_processorstate proc_state
;
1964 struct proc_object
*hprocessor
;
1970 hprocessor
= hnode
->processor
;
1971 status
= proc_get_state(hprocessor
, &proc_state
,
1972 sizeof(struct dsp_processorstate
));
1975 /* If processor is in bad state then don't attempt sending the
1977 if (proc_state
.proc_state
== PROC_ERROR
) {
1981 hnode_mgr
= hnode
->node_mgr
;
1982 node_type
= node_get_type(hnode
);
1983 if (node_type
!= NODE_MESSAGE
&& node_type
!= NODE_TASK
&&
1984 node_type
!= NODE_DAISSOCKET
)
1988 /* Check node state. Can't send messages to a node after
1989 * we've sent the RMS_EXIT command. There is still the
1990 * possibility that node_terminate can be called after we've
1991 * checked the state. Could add another SYNC object to
1992 * prevent this (can't use node_mgr_lock, since we don't
1993 * want to block other NODE functions). However, the node may
1994 * still exit on its own, before this message is sent. */
1995 mutex_lock(&hnode_mgr
->node_mgr_lock
);
1996 state
= node_get_state(hnode
);
1997 if (state
== NODE_TERMINATING
|| state
== NODE_DONE
)
2000 /* end of sync_enter_cs */
2001 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
2006 /* assign pmsg values to new msg */
2008 /* Now, check if message contains a SM buffer descriptor */
2009 if (pmsg
->cmd
& DSP_RMSBUFDESC
) {
2010 /* Translate GPP Va to DSP physical buf Ptr. */
2011 tmp_buf
= cmm_xlator_translate(hnode
->xlator
,
2012 (void *)new_msg
.arg1
,
2014 if (tmp_buf
!= NULL
) {
2015 /* got translation, convert to MAUs in msg */
2016 if (hnode
->node_mgr
->dsp_word_size
!= 0) {
2019 hnode
->node_mgr
->dsp_word_size
;
2021 new_msg
.arg2
/= hnode
->node_mgr
->
2024 pr_err("%s: dsp_word_size is zero!\n",
2026 status
= -EPERM
; /* bad DSPWordSize */
2028 } else { /* failed to translate buffer address */
2033 intf_fxns
= hnode_mgr
->intf_fxns
;
2034 status
= (*intf_fxns
->msg_put
) (hnode
->msg_queue_obj
,
2035 &new_msg
, utimeout
);
2038 dev_dbg(bridge
, "%s: hnode: %p pmsg: %p utimeout: 0x%x, "
2039 "status 0x%x\n", __func__
, hnode
, pmsg
, utimeout
, status
);
2044 * ======== node_register_notify ========
2046 * Register to be notified on specific events for this node.
2048 int node_register_notify(struct node_object
*hnode
, u32 event_mask
,
2050 struct dsp_notification
*hnotification
)
2052 struct bridge_drv_interface
*intf_fxns
;
2058 /* Check if event mask is a valid node related event */
2059 if (event_mask
& ~(DSP_NODESTATECHANGE
| DSP_NODEMESSAGEREADY
))
2062 /* Check if notify type is valid */
2063 if (notify_type
!= DSP_SIGNALEVENT
)
2066 /* Only one Notification can be registered at a
2067 * time - Limitation */
2068 if (event_mask
== (DSP_NODESTATECHANGE
| DSP_NODEMESSAGEREADY
))
2072 if (event_mask
== DSP_NODESTATECHANGE
) {
2073 status
= ntfy_register(hnode
->ntfy_obj
, hnotification
,
2074 event_mask
& DSP_NODESTATECHANGE
,
2077 /* Send Message part of event mask to msg_ctrl */
2078 intf_fxns
= hnode
->node_mgr
->intf_fxns
;
2079 status
= (*intf_fxns
->msg_register_notify
)
2080 (hnode
->msg_queue_obj
,
2081 event_mask
& DSP_NODEMESSAGEREADY
, notify_type
,
2086 dev_dbg(bridge
, "%s: hnode: %p event_mask: 0x%x notify_type: 0x%x "
2087 "hnotification: %p status 0x%x\n", __func__
, hnode
,
2088 event_mask
, notify_type
, hnotification
, status
);
2093 * ======== node_run ========
2095 * Start execution of a node's execute phase, or resume execution of a node
2096 * that has been suspended (via NODE_NodePause()) on the DSP. Load the
2097 * node's execute function if necessary.
2099 int node_run(struct node_object
*hnode
)
2101 struct node_object
*pnode
= (struct node_object
*)hnode
;
2102 struct node_mgr
*hnode_mgr
;
2103 enum node_type node_type
;
2104 enum node_state state
;
2109 struct bridge_drv_interface
*intf_fxns
;
2110 struct dsp_processorstate proc_state
;
2111 struct proc_object
*hprocessor
;
2117 hprocessor
= hnode
->processor
;
2118 status
= proc_get_state(hprocessor
, &proc_state
,
2119 sizeof(struct dsp_processorstate
));
2122 /* If processor is in error state then don't attempt to run the node */
2123 if (proc_state
.proc_state
== PROC_ERROR
) {
2127 node_type
= node_get_type(hnode
);
2128 if (node_type
== NODE_DEVICE
)
2133 hnode_mgr
= hnode
->node_mgr
;
2138 intf_fxns
= hnode_mgr
->intf_fxns
;
2139 /* Enter critical section */
2140 mutex_lock(&hnode_mgr
->node_mgr_lock
);
2142 state
= node_get_state(hnode
);
2143 if (state
!= NODE_CREATED
&& state
!= NODE_PAUSED
)
2147 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
2152 if ((proc_id
!= DSP_UNIT
) && (proc_id
!= IVA_UNIT
))
2155 if (state
== NODE_CREATED
) {
2156 /* If node's execute function is not loaded, load it */
2157 if (!(hnode
->loaded
) && hnode
->phase_split
) {
2159 hnode_mgr
->nldr_fxns
.load(hnode
->nldr_node_obj
,
2162 hnode
->loaded
= true;
2164 pr_err("%s: fail - load execute code: 0x%x\n",
2169 /* Get address of node's execute function */
2170 if (proc_id
== IVA_UNIT
)
2171 ul_execute_fxn
= (u32
) hnode
->node_env
;
2173 status
= get_fxn_address(hnode
, &ul_execute_fxn
,
2178 ul_fxn_addr
= hnode_mgr
->fxn_addrs
[RMSEXECUTENODE
];
2180 disp_node_run(hnode_mgr
->disp_obj
, hnode
,
2181 ul_fxn_addr
, ul_execute_fxn
,
2184 } else if (state
== NODE_PAUSED
) {
2185 ul_fxn_addr
= hnode_mgr
->fxn_addrs
[RMSCHANGENODEPRIORITY
];
2186 status
= disp_node_change_priority(hnode_mgr
->disp_obj
, hnode
,
2187 ul_fxn_addr
, hnode
->node_env
,
2188 NODE_GET_PRIORITY(hnode
));
2190 /* We should never get here */
2193 /* Update node state. */
2195 NODE_SET_STATE(hnode
, NODE_RUNNING
);
2196 else /* Set state back to previous value */
2197 NODE_SET_STATE(hnode
, state
);
2198 /*End of sync_enter_cs */
2199 /* Exit critical section */
2200 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
2202 proc_notify_clients(hnode
->processor
, DSP_NODESTATECHANGE
);
2203 ntfy_notify(hnode
->ntfy_obj
, DSP_NODESTATECHANGE
);
2206 dev_dbg(bridge
, "%s: hnode: %p status 0x%x\n", __func__
, hnode
, status
);
2211 * ======== node_terminate ========
2213 * Signal a node running on the DSP that it should exit its execute phase
2216 int node_terminate(struct node_object
*hnode
, int *pstatus
)
2218 struct node_object
*pnode
= (struct node_object
*)hnode
;
2219 struct node_mgr
*hnode_mgr
= NULL
;
2220 enum node_type node_type
;
2221 struct bridge_drv_interface
*intf_fxns
;
2222 enum node_state state
;
2223 struct dsp_msg msg
, killmsg
;
2225 u32 proc_id
, kill_time_out
;
2226 struct deh_mgr
*hdeh_mgr
;
2227 struct dsp_processorstate proc_state
;
2229 if (!hnode
|| !hnode
->node_mgr
) {
2233 if (pnode
->processor
== NULL
) {
2237 status
= proc_get_processor_id(pnode
->processor
, &proc_id
);
2240 hnode_mgr
= hnode
->node_mgr
;
2241 node_type
= node_get_type(hnode
);
2242 if (node_type
!= NODE_TASK
&& node_type
!= NODE_DAISSOCKET
)
2246 /* Check node state */
2247 mutex_lock(&hnode_mgr
->node_mgr_lock
);
2248 state
= node_get_state(hnode
);
2249 if (state
!= NODE_RUNNING
) {
2251 /* Set the exit status if node terminated on
2253 if (state
== NODE_DONE
)
2254 *pstatus
= hnode
->exit_status
;
2257 NODE_SET_STATE(hnode
, NODE_TERMINATING
);
2259 /* end of sync_enter_cs */
2260 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
2264 * Send exit message. Do not change state to NODE_DONE
2265 * here. That will be done in callback.
2267 status
= proc_get_state(pnode
->processor
, &proc_state
,
2268 sizeof(struct dsp_processorstate
));
2271 /* If processor is in error state then don't attempt to send
2272 * A kill task command */
2273 if (proc_state
.proc_state
== PROC_ERROR
) {
2279 msg
.arg1
= hnode
->node_env
;
2280 killmsg
.cmd
= RMS_KILLTASK
;
2281 killmsg
.arg1
= hnode
->node_env
;
2282 intf_fxns
= hnode_mgr
->intf_fxns
;
2284 if (hnode
->timeout
> MAXTIMEOUT
)
2285 kill_time_out
= MAXTIMEOUT
;
2287 kill_time_out
= (hnode
->timeout
) * 2;
2289 status
= (*intf_fxns
->msg_put
) (hnode
->msg_queue_obj
, &msg
,
2295 * Wait on synchronization object that will be
2296 * posted in the callback on receiving RMS_EXIT
2297 * message, or by node_delete. Check for valid hnode,
2298 * in case posted by node_delete().
2300 status
= sync_wait_on_event(hnode
->sync_done
,
2302 if (status
!= ETIME
)
2305 status
= (*intf_fxns
->msg_put
)(hnode
->msg_queue_obj
,
2306 &killmsg
, hnode
->timeout
);
2309 status
= sync_wait_on_event(hnode
->sync_done
,
2313 * Here it goes the part of the simulation of
2314 * the DSP exception.
2316 dev_get_deh_mgr(hnode_mgr
->dev_obj
, &hdeh_mgr
);
2320 bridge_deh_notify(hdeh_mgr
, DSP_SYSERROR
, DSP_EXCEPTIONABORT
);
2325 /* Enter CS before getting exit status, in case node was
2327 mutex_lock(&hnode_mgr
->node_mgr_lock
);
2328 /* Make sure node wasn't deleted while we blocked */
2332 *pstatus
= hnode
->exit_status
;
2333 dev_dbg(bridge
, "%s: hnode: %p env 0x%x status 0x%x\n",
2334 __func__
, hnode
, hnode
->node_env
, status
);
2336 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
2337 } /*End of sync_enter_cs */
2343 * ======== delete_node ========
2345 * Free GPP resources allocated in node_allocate() or node_connect().
2347 static void delete_node(struct node_object
*hnode
,
2348 struct process_context
*pr_ctxt
)
2350 struct node_mgr
*hnode_mgr
;
2351 struct bridge_drv_interface
*intf_fxns
;
2353 enum node_type node_type
;
2354 struct stream_chnl stream
;
2355 struct node_msgargs node_msg_args
;
2356 struct node_taskargs task_arg_obj
;
2357 #ifdef DSP_DMM_DEBUG
2358 struct dmm_object
*dmm_mgr
;
2359 struct proc_object
*p_proc_object
=
2360 (struct proc_object
*)hnode
->processor
;
2365 hnode_mgr
= hnode
->node_mgr
;
2369 node_type
= node_get_type(hnode
);
2370 if (node_type
!= NODE_DEVICE
) {
2371 node_msg_args
= hnode
->create_args
.asa
.node_msg_args
;
2372 kfree(node_msg_args
.pdata
);
2374 /* Free msg_ctrl queue */
2375 if (hnode
->msg_queue_obj
) {
2376 intf_fxns
= hnode_mgr
->intf_fxns
;
2377 (*intf_fxns
->msg_delete_queue
) (hnode
->
2379 hnode
->msg_queue_obj
= NULL
;
2382 kfree(hnode
->sync_done
);
2384 /* Free all stream info */
2385 if (hnode
->inputs
) {
2386 for (i
= 0; i
< MAX_INPUTS(hnode
); i
++) {
2387 stream
= hnode
->inputs
[i
];
2388 free_stream(hnode_mgr
, stream
);
2390 kfree(hnode
->inputs
);
2391 hnode
->inputs
= NULL
;
2393 if (hnode
->outputs
) {
2394 for (i
= 0; i
< MAX_OUTPUTS(hnode
); i
++) {
2395 stream
= hnode
->outputs
[i
];
2396 free_stream(hnode_mgr
, stream
);
2398 kfree(hnode
->outputs
);
2399 hnode
->outputs
= NULL
;
2401 task_arg_obj
= hnode
->create_args
.asa
.task_arg_obj
;
2402 if (task_arg_obj
.strm_in_def
) {
2403 for (i
= 0; i
< MAX_INPUTS(hnode
); i
++) {
2404 kfree(task_arg_obj
.strm_in_def
[i
].sz_device
);
2405 task_arg_obj
.strm_in_def
[i
].sz_device
= NULL
;
2407 kfree(task_arg_obj
.strm_in_def
);
2408 task_arg_obj
.strm_in_def
= NULL
;
2410 if (task_arg_obj
.strm_out_def
) {
2411 for (i
= 0; i
< MAX_OUTPUTS(hnode
); i
++) {
2412 kfree(task_arg_obj
.strm_out_def
[i
].sz_device
);
2413 task_arg_obj
.strm_out_def
[i
].sz_device
= NULL
;
2415 kfree(task_arg_obj
.strm_out_def
);
2416 task_arg_obj
.strm_out_def
= NULL
;
2418 if (task_arg_obj
.dsp_heap_res_addr
) {
2419 status
= proc_un_map(hnode
->processor
, (void *)
2420 task_arg_obj
.dsp_heap_addr
,
2423 status
= proc_un_reserve_memory(hnode
->processor
,
2428 #ifdef DSP_DMM_DEBUG
2429 status
= dmm_get_handle(p_proc_object
, &dmm_mgr
);
2431 dmm_mem_map_dump(dmm_mgr
);
2433 status
= DSP_EHANDLE
;
2437 if (node_type
!= NODE_MESSAGE
) {
2438 kfree(hnode
->stream_connect
);
2439 hnode
->stream_connect
= NULL
;
2441 kfree(hnode
->str_dev_name
);
2442 hnode
->str_dev_name
= NULL
;
2444 if (hnode
->ntfy_obj
) {
2445 ntfy_delete(hnode
->ntfy_obj
);
2446 kfree(hnode
->ntfy_obj
);
2447 hnode
->ntfy_obj
= NULL
;
2450 /* These were allocated in dcd_get_object_def (via node_allocate) */
2451 kfree(hnode
->dcd_props
.obj_data
.node_obj
.str_create_phase_fxn
);
2452 hnode
->dcd_props
.obj_data
.node_obj
.str_create_phase_fxn
= NULL
;
2454 kfree(hnode
->dcd_props
.obj_data
.node_obj
.str_execute_phase_fxn
);
2455 hnode
->dcd_props
.obj_data
.node_obj
.str_execute_phase_fxn
= NULL
;
2457 kfree(hnode
->dcd_props
.obj_data
.node_obj
.str_delete_phase_fxn
);
2458 hnode
->dcd_props
.obj_data
.node_obj
.str_delete_phase_fxn
= NULL
;
2460 kfree(hnode
->dcd_props
.obj_data
.node_obj
.str_i_alg_name
);
2461 hnode
->dcd_props
.obj_data
.node_obj
.str_i_alg_name
= NULL
;
2463 /* Free all SM address translator resources */
2464 kfree(hnode
->xlator
);
2465 kfree(hnode
->nldr_node_obj
);
2466 hnode
->nldr_node_obj
= NULL
;
2467 hnode
->node_mgr
= NULL
;
2475 * ======== delete_node_mgr ========
2477 * Frees the node manager.
2479 static void delete_node_mgr(struct node_mgr
*hnode_mgr
)
2481 struct node_object
*hnode
, *tmp
;
2484 /* Free resources */
2485 if (hnode_mgr
->dcd_mgr
)
2486 dcd_destroy_manager(hnode_mgr
->dcd_mgr
);
2488 /* Remove any elements remaining in lists */
2489 list_for_each_entry_safe(hnode
, tmp
, &hnode_mgr
->node_list
,
2491 list_del(&hnode
->list_elem
);
2492 delete_node(hnode
, NULL
);
2494 mutex_destroy(&hnode_mgr
->node_mgr_lock
);
2495 if (hnode_mgr
->ntfy_obj
) {
2496 ntfy_delete(hnode_mgr
->ntfy_obj
);
2497 kfree(hnode_mgr
->ntfy_obj
);
2500 if (hnode_mgr
->disp_obj
)
2501 disp_delete(hnode_mgr
->disp_obj
);
2503 if (hnode_mgr
->strm_mgr_obj
)
2504 strm_delete(hnode_mgr
->strm_mgr_obj
);
2506 /* Delete the loader */
2507 if (hnode_mgr
->nldr_obj
)
2508 hnode_mgr
->nldr_fxns
.delete(hnode_mgr
->nldr_obj
);
2510 if (hnode_mgr
->loader_init
)
2511 hnode_mgr
->nldr_fxns
.exit();
2518 * ======== fill_stream_connect ========
2520 * Fills stream information.
2522 static void fill_stream_connect(struct node_object
*node1
,
2523 struct node_object
*node2
,
2524 u32 stream1
, u32 stream2
)
2527 struct dsp_streamconnect
*strm1
= NULL
;
2528 struct dsp_streamconnect
*strm2
= NULL
;
2529 enum node_type node1_type
= NODE_TASK
;
2530 enum node_type node2_type
= NODE_TASK
;
2532 node1_type
= node_get_type(node1
);
2533 node2_type
= node_get_type(node2
);
2534 if (node1
!= (struct node_object
*)DSP_HGPPNODE
) {
2536 if (node1_type
!= NODE_DEVICE
) {
2537 strm_index
= node1
->num_inputs
+
2538 node1
->num_outputs
- 1;
2539 strm1
= &(node1
->stream_connect
[strm_index
]);
2540 strm1
->cb_struct
= sizeof(struct dsp_streamconnect
);
2541 strm1
->this_node_stream_index
= stream1
;
2544 if (node2
!= (struct node_object
*)DSP_HGPPNODE
) {
2545 /* NODE == > NODE */
2546 if (node1_type
!= NODE_DEVICE
) {
2547 strm1
->connected_node
= node2
;
2548 strm1
->ui_connected_node_id
= node2
->node_uuid
;
2549 strm1
->connected_node_stream_index
= stream2
;
2550 strm1
->connect_type
= CONNECTTYPE_NODEOUTPUT
;
2552 if (node2_type
!= NODE_DEVICE
) {
2553 strm_index
= node2
->num_inputs
+
2554 node2
->num_outputs
- 1;
2555 strm2
= &(node2
->stream_connect
[strm_index
]);
2557 sizeof(struct dsp_streamconnect
);
2558 strm2
->this_node_stream_index
= stream2
;
2559 strm2
->connected_node
= node1
;
2560 strm2
->ui_connected_node_id
= node1
->node_uuid
;
2561 strm2
->connected_node_stream_index
= stream1
;
2562 strm2
->connect_type
= CONNECTTYPE_NODEINPUT
;
2564 } else if (node1_type
!= NODE_DEVICE
)
2565 strm1
->connect_type
= CONNECTTYPE_GPPOUTPUT
;
2568 strm_index
= node2
->num_inputs
+ node2
->num_outputs
- 1;
2569 strm2
= &(node2
->stream_connect
[strm_index
]);
2570 strm2
->cb_struct
= sizeof(struct dsp_streamconnect
);
2571 strm2
->this_node_stream_index
= stream2
;
2572 strm2
->connect_type
= CONNECTTYPE_GPPINPUT
;
2577 * ======== fill_stream_def ========
2579 * Fills Stream attributes.
2581 static void fill_stream_def(struct node_object
*hnode
,
2582 struct node_strmdef
*pstrm_def
,
2583 struct dsp_strmattr
*pattrs
)
2585 struct node_mgr
*hnode_mgr
= hnode
->node_mgr
;
2587 if (pattrs
!= NULL
) {
2588 pstrm_def
->num_bufs
= pattrs
->num_bufs
;
2589 pstrm_def
->buf_size
=
2590 pattrs
->buf_size
/ hnode_mgr
->dsp_data_mau_size
;
2591 pstrm_def
->seg_id
= pattrs
->seg_id
;
2592 pstrm_def
->buf_alignment
= pattrs
->buf_alignment
;
2593 pstrm_def
->timeout
= pattrs
->timeout
;
2595 pstrm_def
->num_bufs
= DEFAULTNBUFS
;
2596 pstrm_def
->buf_size
=
2597 DEFAULTBUFSIZE
/ hnode_mgr
->dsp_data_mau_size
;
2598 pstrm_def
->seg_id
= DEFAULTSEGID
;
2599 pstrm_def
->buf_alignment
= DEFAULTALIGNMENT
;
2600 pstrm_def
->timeout
= DEFAULTTIMEOUT
;
2605 * ======== free_stream ========
2607 * Updates the channel mask and frees the pipe id.
2609 static void free_stream(struct node_mgr
*hnode_mgr
, struct stream_chnl stream
)
2611 /* Free up the pipe id unless other node has not yet been deleted. */
2612 if (stream
.type
== NODECONNECT
) {
2613 if (test_bit(stream
.dev_id
, hnode_mgr
->pipe_done_map
)) {
2614 /* The other node has already been deleted */
2615 clear_bit(stream
.dev_id
, hnode_mgr
->pipe_done_map
);
2616 clear_bit(stream
.dev_id
, hnode_mgr
->pipe_map
);
2618 /* The other node has not been deleted yet */
2619 set_bit(stream
.dev_id
, hnode_mgr
->pipe_done_map
);
2621 } else if (stream
.type
== HOSTCONNECT
) {
2622 if (stream
.dev_id
< hnode_mgr
->num_chnls
) {
2623 clear_bit(stream
.dev_id
, hnode_mgr
->chnl_map
);
2624 } else if (stream
.dev_id
< (2 * hnode_mgr
->num_chnls
)) {
2626 clear_bit(stream
.dev_id
- (1 * hnode_mgr
->num_chnls
),
2627 hnode_mgr
->dma_chnl_map
);
2628 } else if (stream
.dev_id
< (3 * hnode_mgr
->num_chnls
)) {
2630 clear_bit(stream
.dev_id
- (2 * hnode_mgr
->num_chnls
),
2631 hnode_mgr
->zc_chnl_map
);
2637 * ======== get_fxn_address ========
2639 * Retrieves the address for create, execute or delete phase for a node.
2641 static int get_fxn_address(struct node_object
*hnode
, u32
* fxn_addr
,
2644 char *pstr_fxn_name
= NULL
;
2645 struct node_mgr
*hnode_mgr
= hnode
->node_mgr
;
2651 hnode
->dcd_props
.obj_data
.node_obj
.str_create_phase_fxn
;
2655 hnode
->dcd_props
.obj_data
.node_obj
.str_execute_phase_fxn
;
2659 hnode
->dcd_props
.obj_data
.node_obj
.str_delete_phase_fxn
;
2662 /* Should never get here */
2667 hnode_mgr
->nldr_fxns
.get_fxn_addr(hnode
->nldr_node_obj
,
2668 pstr_fxn_name
, fxn_addr
);
2674 * ======== get_node_info ========
2676 * Retrieves the node information.
2678 void get_node_info(struct node_object
*hnode
, struct dsp_nodeinfo
*node_info
)
2682 node_info
->cb_struct
= sizeof(struct dsp_nodeinfo
);
2683 node_info
->nb_node_database_props
=
2684 hnode
->dcd_props
.obj_data
.node_obj
.ndb_props
;
2685 node_info
->execution_priority
= hnode
->prio
;
2686 node_info
->device_owner
= hnode
->device_owner
;
2687 node_info
->number_streams
= hnode
->num_inputs
+ hnode
->num_outputs
;
2688 node_info
->node_env
= hnode
->node_env
;
2690 node_info
->ns_execution_state
= node_get_state(hnode
);
2692 /* Copy stream connect data */
2693 for (i
= 0; i
< hnode
->num_inputs
+ hnode
->num_outputs
; i
++)
2694 node_info
->sc_stream_connection
[i
] = hnode
->stream_connect
[i
];
2699 * ======== get_node_props ========
2701 * Retrieve node properties.
2703 static int get_node_props(struct dcd_manager
*hdcd_mgr
,
2704 struct node_object
*hnode
,
2705 const struct dsp_uuid
*node_uuid
,
2706 struct dcd_genericobj
*dcd_prop
)
2709 struct node_msgargs
*pmsg_args
;
2710 struct node_taskargs
*task_arg_obj
;
2711 enum node_type node_type
= NODE_TASK
;
2712 struct dsp_ndbprops
*pndb_props
=
2713 &(dcd_prop
->obj_data
.node_obj
.ndb_props
);
2715 char sz_uuid
[MAXUUIDLEN
];
2717 status
= dcd_get_object_def(hdcd_mgr
, (struct dsp_uuid
*)node_uuid
,
2718 DSP_DCDNODETYPE
, dcd_prop
);
2721 hnode
->ntype
= node_type
= pndb_props
->ntype
;
2723 /* Create UUID value to set in registry. */
2724 uuid_uuid_to_string((struct dsp_uuid
*)node_uuid
, sz_uuid
,
2726 dev_dbg(bridge
, "(node) UUID: %s\n", sz_uuid
);
2728 /* Fill in message args that come from NDB */
2729 if (node_type
!= NODE_DEVICE
) {
2730 pmsg_args
= &(hnode
->create_args
.asa
.node_msg_args
);
2732 dcd_prop
->obj_data
.node_obj
.msg_segid
;
2733 pmsg_args
->notify_type
=
2734 dcd_prop
->obj_data
.node_obj
.msg_notify_type
;
2735 pmsg_args
->max_msgs
= pndb_props
->message_depth
;
2736 dev_dbg(bridge
, "(node) Max Number of Messages: 0x%x\n",
2737 pmsg_args
->max_msgs
);
2739 /* Copy device name */
2740 len
= strlen(pndb_props
->ac_name
);
2741 hnode
->str_dev_name
= kzalloc(len
+ 1, GFP_KERNEL
);
2742 if (hnode
->str_dev_name
== NULL
) {
2745 strncpy(hnode
->str_dev_name
,
2746 pndb_props
->ac_name
, len
);
2751 /* Fill in create args that come from NDB */
2752 if (node_type
== NODE_TASK
|| node_type
== NODE_DAISSOCKET
) {
2753 task_arg_obj
= &(hnode
->create_args
.asa
.task_arg_obj
);
2754 task_arg_obj
->prio
= pndb_props
->prio
;
2755 task_arg_obj
->stack_size
= pndb_props
->stack_size
;
2756 task_arg_obj
->sys_stack_size
=
2757 pndb_props
->sys_stack_size
;
2758 task_arg_obj
->stack_seg
= pndb_props
->stack_seg
;
2759 dev_dbg(bridge
, "(node) Priority: 0x%x Stack Size: "
2760 "0x%x words System Stack Size: 0x%x words "
2761 "Stack Segment: 0x%x profile count : 0x%x\n",
2762 task_arg_obj
->prio
, task_arg_obj
->stack_size
,
2763 task_arg_obj
->sys_stack_size
,
2764 task_arg_obj
->stack_seg
,
2765 pndb_props
->count_profiles
);
2773 * ======== get_proc_props ========
2775 * Retrieve the processor properties.
2777 static int get_proc_props(struct node_mgr
*hnode_mgr
,
2778 struct dev_object
*hdev_obj
)
2780 struct cfg_hostres
*host_res
;
2781 struct bridge_dev_context
*pbridge_context
;
2784 status
= dev_get_bridge_context(hdev_obj
, &pbridge_context
);
2785 if (!pbridge_context
)
2789 host_res
= pbridge_context
->resources
;
2792 hnode_mgr
->chnl_offset
= host_res
->chnl_offset
;
2793 hnode_mgr
->chnl_buf_size
= host_res
->chnl_buf_size
;
2794 hnode_mgr
->num_chnls
= host_res
->num_chnls
;
2797 * PROC will add an API to get dsp_processorinfo.
2798 * Fill in default values for now.
2800 /* TODO -- Instead of hard coding, take from registry */
2801 hnode_mgr
->proc_family
= 6000;
2802 hnode_mgr
->proc_type
= 6410;
2803 hnode_mgr
->min_pri
= DSP_NODE_MIN_PRIORITY
;
2804 hnode_mgr
->max_pri
= DSP_NODE_MAX_PRIORITY
;
2805 hnode_mgr
->dsp_word_size
= DSPWORDSIZE
;
2806 hnode_mgr
->dsp_data_mau_size
= DSPWORDSIZE
;
2807 hnode_mgr
->dsp_mau_size
= 1;
2814 * ======== node_get_uuid_props ========
2816 * Fetch Node UUID properties from DCD/DOF file.
2818 int node_get_uuid_props(void *hprocessor
,
2819 const struct dsp_uuid
*node_uuid
,
2820 struct dsp_ndbprops
*node_props
)
2822 struct node_mgr
*hnode_mgr
= NULL
;
2823 struct dev_object
*hdev_obj
;
2825 struct dcd_nodeprops dcd_node_props
;
2826 struct dsp_processorstate proc_state
;
2828 if (hprocessor
== NULL
|| node_uuid
== NULL
) {
2832 status
= proc_get_state(hprocessor
, &proc_state
,
2833 sizeof(struct dsp_processorstate
));
2836 /* If processor is in error state then don't attempt
2837 to send the message */
2838 if (proc_state
.proc_state
== PROC_ERROR
) {
2843 status
= proc_get_dev_object(hprocessor
, &hdev_obj
);
2845 status
= dev_get_node_manager(hdev_obj
, &hnode_mgr
);
2846 if (hnode_mgr
== NULL
) {
2853 * Enter the critical section. This is needed because
2854 * dcd_get_object_def will ultimately end up calling dbll_open/close,
2855 * which needs to be protected in order to not corrupt the zlib manager
2858 mutex_lock(&hnode_mgr
->node_mgr_lock
);
2860 dcd_node_props
.str_create_phase_fxn
= NULL
;
2861 dcd_node_props
.str_execute_phase_fxn
= NULL
;
2862 dcd_node_props
.str_delete_phase_fxn
= NULL
;
2863 dcd_node_props
.str_i_alg_name
= NULL
;
2865 status
= dcd_get_object_def(hnode_mgr
->dcd_mgr
,
2866 (struct dsp_uuid
*)node_uuid
, DSP_DCDNODETYPE
,
2867 (struct dcd_genericobj
*)&dcd_node_props
);
2870 *node_props
= dcd_node_props
.ndb_props
;
2871 kfree(dcd_node_props
.str_create_phase_fxn
);
2873 kfree(dcd_node_props
.str_execute_phase_fxn
);
2875 kfree(dcd_node_props
.str_delete_phase_fxn
);
2877 kfree(dcd_node_props
.str_i_alg_name
);
2879 /* Leave the critical section, we're done. */
2880 mutex_unlock(&hnode_mgr
->node_mgr_lock
);
2886 * ======== get_rms_fxns ========
2888 * Retrieve the RMS functions.
2890 static int get_rms_fxns(struct node_mgr
*hnode_mgr
)
2893 struct dev_object
*dev_obj
= hnode_mgr
->dev_obj
;
2896 static char *psz_fxns
[NUMRMSFXNS
] = {
2897 "RMS_queryServer", /* RMSQUERYSERVER */
2898 "RMS_configureServer", /* RMSCONFIGURESERVER */
2899 "RMS_createNode", /* RMSCREATENODE */
2900 "RMS_executeNode", /* RMSEXECUTENODE */
2901 "RMS_deleteNode", /* RMSDELETENODE */
2902 "RMS_changeNodePriority", /* RMSCHANGENODEPRIORITY */
2903 "RMS_readMemory", /* RMSREADMEMORY */
2904 "RMS_writeMemory", /* RMSWRITEMEMORY */
2905 "RMS_copy", /* RMSCOPY */
2908 for (i
= 0; i
< NUMRMSFXNS
; i
++) {
2909 status
= dev_get_symbol(dev_obj
, psz_fxns
[i
],
2910 &(hnode_mgr
->fxn_addrs
[i
]));
2912 if (status
== -ESPIPE
) {
2914 * May be loaded dynamically (in the future),
2915 * but return an error for now.
2917 dev_dbg(bridge
, "%s: RMS function: %s currently"
2918 " not loaded\n", __func__
, psz_fxns
[i
]);
2920 dev_dbg(bridge
, "%s: Symbol not found: %s "
2921 "status = 0x%x\n", __func__
,
2922 psz_fxns
[i
], status
);
2932 * ======== ovly ========
2934 * Called during overlay.Sends command to RMS to copy a block of data.
2936 static u32
ovly(void *priv_ref
, u32 dsp_run_addr
, u32 dsp_load_addr
,
2937 u32 ul_num_bytes
, u32 mem_space
)
2939 struct node_object
*hnode
= (struct node_object
*)priv_ref
;
2940 struct node_mgr
*hnode_mgr
;
2945 struct bridge_dev_context
*hbridge_context
;
2946 /* Function interface to Bridge driver*/
2947 struct bridge_drv_interface
*intf_fxns
;
2949 hnode_mgr
= hnode
->node_mgr
;
2951 ul_size
= ul_num_bytes
/ hnode_mgr
->dsp_word_size
;
2952 ul_timeout
= hnode
->timeout
;
2954 /* Call new MemCopy function */
2955 intf_fxns
= hnode_mgr
->intf_fxns
;
2956 status
= dev_get_bridge_context(hnode_mgr
->dev_obj
, &hbridge_context
);
2959 (*intf_fxns
->brd_mem_copy
) (hbridge_context
,
2960 dsp_run_addr
, dsp_load_addr
,
2961 ul_num_bytes
, (u32
) mem_space
);
2963 ul_bytes
= ul_num_bytes
;
2965 pr_debug("%s: failed to copy brd memory, status 0x%x\n",
2968 pr_debug("%s: failed to get Bridge context, status 0x%x\n",
2976 * ======== mem_write ========
2978 static u32
mem_write(void *priv_ref
, u32 dsp_add
, void *pbuf
,
2979 u32 ul_num_bytes
, u32 mem_space
)
2981 struct node_object
*hnode
= (struct node_object
*)priv_ref
;
2982 struct node_mgr
*hnode_mgr
;
2986 struct bridge_dev_context
*hbridge_context
;
2987 /* Function interface to Bridge driver */
2988 struct bridge_drv_interface
*intf_fxns
;
2990 hnode_mgr
= hnode
->node_mgr
;
2992 ul_timeout
= hnode
->timeout
;
2993 mem_sect_type
= (mem_space
& DBLL_CODE
) ? RMS_CODE
: RMS_DATA
;
2995 /* Call new MemWrite function */
2996 intf_fxns
= hnode_mgr
->intf_fxns
;
2997 status
= dev_get_bridge_context(hnode_mgr
->dev_obj
, &hbridge_context
);
2998 status
= (*intf_fxns
->brd_mem_write
) (hbridge_context
, pbuf
,
2999 dsp_add
, ul_num_bytes
, mem_sect_type
);
3001 return ul_num_bytes
;
3004 #ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
3006 * ======== node_find_addr ========
3008 int node_find_addr(struct node_mgr
*node_mgr
, u32 sym_addr
,
3009 u32 offset_range
, void *sym_addr_output
, char *sym_name
)
3011 struct node_object
*node_obj
;
3012 int status
= -ENOENT
;
3014 pr_debug("%s(0x%x, 0x%x, 0x%x, 0x%x, %s)\n", __func__
,
3015 (unsigned int) node_mgr
,
3016 sym_addr
, offset_range
,
3017 (unsigned int) sym_addr_output
, sym_name
);
3019 list_for_each_entry(node_obj
, &node_mgr
->node_list
, list_elem
) {
3020 status
= nldr_find_addr(node_obj
->nldr_node_obj
, sym_addr
,
3021 offset_range
, sym_addr_output
, sym_name
);