diff options
Diffstat (limited to 'dsp')
| -rw-r--r-- | dsp/Makefile | 27 | ||||
| -rw-r--r-- | dsp/bridge.s | 59 | ||||
| -rw-r--r-- | dsp/node.h | 38 | ||||
| -rw-r--r-- | dsp/threshold.c | 71 |
4 files changed, 195 insertions, 0 deletions
diff --git a/dsp/Makefile b/dsp/Makefile new file mode 100644 index 0000000..2828921 --- /dev/null +++ b/dsp/Makefile @@ -0,0 +1,27 @@ +CL6X := $(DSP_CGT)/bin/cl6x +LNK6X := $(DSP_CGT)/bin/lnk6x +DLLCREATE := $(DSP_DOFFBUILD)/bin/DLLcreate + +CFLAGS := -O3 -I$(DSP_CGT)/include +OBJECTS := bridge.o64P threshold.o64P + +all: threshold.dll64P + +threshold.x64P: $(OBJECTS) + +# pretty print +%.o64P: %.s + $(CL6X) $(CFLAGS) -mv=64p -eo.o64P -c $< + +%.o64P: %.c + $(CL6X) $(CFLAGS) -mv=64p -eo.o64P -c $< + +%.x64P: + $(LNK6X) -r -cr --localize='$$bss' -o $@ $+ + +%.dll64P: %.x64P + $(DLLCREATE) $< -o=$@ + +clean: + $(RM) *.o64P *.x64P *.dll64P + diff --git a/dsp/bridge.s b/dsp/bridge.s new file mode 100644 index 0000000..0564c0d --- /dev/null +++ b/dsp/bridge.s @@ -0,0 +1,59 @@ + .sect ".3DAC26D0_6D4B_11DD_AD8B_0800200C9A66" + .string "1024," ; cbstruct (NOT USED); + .string "3DAC26D0_6D4B_11DD_AD8B_0800200C9A66," ; uuid; + .string "threshold," ; name; + .string "1," ; type; + + .string "0," ; (NOT USED); + .string "1024," ; (NOT USED); + .string "512," ; (NOT USED); + .string "128," ; (NOT USED); + .string "3072," ; (NOT USED); + .string "5," ; (NOT USED); + .string "3," ; (NOT USED); + .string "1000," ; (NOT USED); + .string "100," ; (NOT USED); + .string "10," ; (NOT USED); + .string "1," ; priority; + .string "1024," ; stack size; + .string "16," ; system stack size (arbitrary) + + .string "0," ; stack segment; + .string "3," ; max message depth queued to node; + .string "1," ; # of input streams; + .string "1," ; # of output streams; + .string "3e8H," ; timeout value of GPP blocking calls; + + .string "threshold_create," ; create phase name; + .string "threshold_execute," ; execute phase name; + .string "threshold_delete," ; delete phase name; + + .string "0," ; message segment; + .string "32768," ; (NOT USED); + + .string "none," ; XDAIS algorithm structure name; + .string "1," ; dynamic loading flag; + + .string "ff3f3f3fH," ; dynamic load data mem seg mask; + .string "ff3f3f3fH," ; dynamic load code mem seg mask; + .string "16," ; max # of node profiles supported; + .string "0," ; node profile 0; + .string "0," ; node profile 1; + .string "0," ; node profile 2; + .string "0," ; node profile 3; + .string "0," ; node profile 4; + .string "0," ; node profile 5; + .string "0," ; node profile 6; + .string "0," ; node profile 7; + .string "0," ; node profile 8; + .string "0," ; node profile 9; + .string "0," ; node profile 10; + .string "0," ; node profile 11; + .string "0," ; node profile 12; + .string "0," ; node profile 13; + .string "0," ; node profile 14; + .string "0," ; node profile 15; + .string "none," ; stackSegName segment; + + .sect ".dcd_register"; + .string "3DAC26D0_6D4B_11DD_AD8B_0800200C9A66:0,"; diff --git a/dsp/node.h b/dsp/node.h new file mode 100644 index 0000000..94f7c1e --- /dev/null +++ b/dsp/node.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2008 Texas Instruments, Incorporated + * Copyright (C) 2008-2009 Nokia Corporation. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef NODE_H +#define NODE_H + +#include <stdint.h> + +typedef struct { + uint32_t cmd; + uint32_t arg_1; + uint32_t arg_2; +} dsp_msg_t; + +extern unsigned short NODE_getMsg(void *node, dsp_msg_t *msg, unsigned int timeout); +extern unsigned short NODE_putMsg(void *node, void *dest, dsp_msg_t *msg, unsigned int timeout); + +extern void BCACHE_inv(void *ptr, size_t size, unsigned short wait); +extern void BCACHE_wbInv(void *ptr, size_t size, unsigned short wait); + +#endif /* NODE_H */ diff --git a/dsp/threshold.c b/dsp/threshold.c new file mode 100644 index 0000000..f5eb7f1 --- /dev/null +++ b/dsp/threshold.c @@ -0,0 +1,71 @@ +/* + * OMAP3 DSP sample image threshold algorithm + * + * Copyright (C) 2010-2011 Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stddef.h> +#include "node.h" + +unsigned int threshold_create(void) +{ + return 0x8000; +} + +unsigned int threshold_delete(void) +{ + return 0x8000; +} + +static void threshold_process(uint16_t *data, unsigned int size) +{ + unsigned int i; + + for (i = 0; i < size / 2; ++i) + data[i] = data[i] >= 512 ? 1023 : 0; +} + +unsigned int threshold_execute(void *env) +{ + unsigned char done = 0; + unsigned int size; + dsp_msg_t msg; + void *buffer; + + while (!done) { + NODE_getMsg(env, &msg, (unsigned) -1); + + switch (msg.cmd) { + case 0: + buffer = (void *)msg.arg_1; + size = (unsigned int)msg.arg_2; + + BCACHE_inv(buffer, size, 1); + threshold_process(buffer, size); + BCACHE_wb(buffer, size, 1); + + NODE_putMsg(env, NULL, &msg, 0); + break; + + case 0x80000000: + done = 1; + break; + } + } + + return 0x8000; +} |