340 lines
8.3 KiB
C
340 lines
8.3 KiB
C
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/*
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*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/string.h>
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#include <linux/slab.h>
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#include "pvrusb2-debugifc.h"
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#include "pvrusb2-hdw.h"
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#include "pvrusb2-debug.h"
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struct debugifc_mask_item {
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const char *name;
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unsigned long msk;
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};
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static unsigned int debugifc_count_whitespace(const char *buf,
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unsigned int count)
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{
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unsigned int scnt;
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char ch;
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for (scnt = 0; scnt < count; scnt++) {
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ch = buf[scnt];
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if (ch == ' ') continue;
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if (ch == '\t') continue;
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if (ch == '\n') continue;
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break;
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}
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return scnt;
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}
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static unsigned int debugifc_count_nonwhitespace(const char *buf,
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unsigned int count)
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{
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unsigned int scnt;
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char ch;
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for (scnt = 0; scnt < count; scnt++) {
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ch = buf[scnt];
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if (ch == ' ') break;
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if (ch == '\t') break;
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if (ch == '\n') break;
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}
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return scnt;
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}
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static unsigned int debugifc_isolate_word(const char *buf,unsigned int count,
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const char **wstrPtr,
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unsigned int *wlenPtr)
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{
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const char *wptr;
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unsigned int consume_cnt = 0;
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unsigned int wlen;
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unsigned int scnt;
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wptr = NULL;
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wlen = 0;
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scnt = debugifc_count_whitespace(buf,count);
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consume_cnt += scnt; count -= scnt; buf += scnt;
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if (!count) goto done;
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scnt = debugifc_count_nonwhitespace(buf,count);
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if (!scnt) goto done;
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wptr = buf;
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wlen = scnt;
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consume_cnt += scnt; count -= scnt; buf += scnt;
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done:
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*wstrPtr = wptr;
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*wlenPtr = wlen;
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return consume_cnt;
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}
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static int debugifc_parse_unsigned_number(const char *buf,unsigned int count,
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u32 *num_ptr)
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{
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u32 result = 0;
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u32 val;
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int ch;
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int radix = 10;
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if ((count >= 2) && (buf[0] == '0') &&
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((buf[1] == 'x') || (buf[1] == 'X'))) {
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radix = 16;
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count -= 2;
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buf += 2;
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} else if ((count >= 1) && (buf[0] == '0')) {
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radix = 8;
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}
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while (count--) {
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ch = *buf++;
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if ((ch >= '0') && (ch <= '9')) {
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val = ch - '0';
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} else if ((ch >= 'a') && (ch <= 'f')) {
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val = ch - 'a' + 10;
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} else if ((ch >= 'A') && (ch <= 'F')) {
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val = ch - 'A' + 10;
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} else {
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return -EINVAL;
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}
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if (val >= radix) return -EINVAL;
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result *= radix;
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result += val;
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}
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*num_ptr = result;
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return 0;
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}
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static int debugifc_match_keyword(const char *buf,unsigned int count,
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const char *keyword)
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{
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unsigned int kl;
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if (!keyword) return 0;
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kl = strlen(keyword);
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if (kl != count) return 0;
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return !memcmp(buf,keyword,kl);
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}
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int pvr2_debugifc_print_info(struct pvr2_hdw *hdw,char *buf,unsigned int acnt)
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{
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int bcnt = 0;
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int ccnt;
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ccnt = scnprintf(buf,acnt,"Driver state info:\n");
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bcnt += ccnt; acnt -= ccnt; buf += ccnt;
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ccnt = pvr2_hdw_state_report(hdw,buf,acnt);
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bcnt += ccnt; acnt -= ccnt; buf += ccnt;
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return bcnt;
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}
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int pvr2_debugifc_print_status(struct pvr2_hdw *hdw,
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char *buf,unsigned int acnt)
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{
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int bcnt = 0;
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int ccnt;
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int ret;
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u32 gpio_dir,gpio_in,gpio_out;
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struct pvr2_stream_stats stats;
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struct pvr2_stream *sp;
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ret = pvr2_hdw_is_hsm(hdw);
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ccnt = scnprintf(buf,acnt,"USB link speed: %s\n",
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(ret < 0 ? "FAIL" : (ret ? "high" : "full")));
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bcnt += ccnt; acnt -= ccnt; buf += ccnt;
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gpio_dir = 0; gpio_in = 0; gpio_out = 0;
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pvr2_hdw_gpio_get_dir(hdw,&gpio_dir);
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pvr2_hdw_gpio_get_out(hdw,&gpio_out);
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pvr2_hdw_gpio_get_in(hdw,&gpio_in);
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ccnt = scnprintf(buf,acnt,"GPIO state: dir=0x%x in=0x%x out=0x%x\n",
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gpio_dir,gpio_in,gpio_out);
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bcnt += ccnt; acnt -= ccnt; buf += ccnt;
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ccnt = scnprintf(buf,acnt,"Streaming is %s\n",
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pvr2_hdw_get_streaming(hdw) ? "on" : "off");
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bcnt += ccnt; acnt -= ccnt; buf += ccnt;
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sp = pvr2_hdw_get_video_stream(hdw);
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if (sp) {
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pvr2_stream_get_stats(sp, &stats, 0);
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ccnt = scnprintf(
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buf,acnt,
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"Bytes streamed=%u"
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" URBs: queued=%u idle=%u ready=%u"
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" processed=%u failed=%u\n",
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stats.bytes_processed,
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stats.buffers_in_queue,
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stats.buffers_in_idle,
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stats.buffers_in_ready,
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stats.buffers_processed,
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stats.buffers_failed);
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bcnt += ccnt; acnt -= ccnt; buf += ccnt;
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}
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return bcnt;
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}
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static int pvr2_debugifc_do1cmd(struct pvr2_hdw *hdw,const char *buf,
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unsigned int count)
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{
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const char *wptr;
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unsigned int wlen;
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unsigned int scnt;
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (!scnt) return 0;
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count -= scnt; buf += scnt;
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if (!wptr) return 0;
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pvr2_trace(PVR2_TRACE_DEBUGIFC,"debugifc cmd: \"%.*s\"",wlen,wptr);
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if (debugifc_match_keyword(wptr,wlen,"reset")) {
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (!scnt) return -EINVAL;
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count -= scnt; buf += scnt;
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if (!wptr) return -EINVAL;
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if (debugifc_match_keyword(wptr,wlen,"cpu")) {
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pvr2_hdw_cpureset_assert(hdw,!0);
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pvr2_hdw_cpureset_assert(hdw,0);
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return 0;
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} else if (debugifc_match_keyword(wptr,wlen,"bus")) {
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pvr2_hdw_device_reset(hdw);
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} else if (debugifc_match_keyword(wptr,wlen,"soft")) {
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return pvr2_hdw_cmd_powerup(hdw);
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} else if (debugifc_match_keyword(wptr,wlen,"deep")) {
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return pvr2_hdw_cmd_deep_reset(hdw);
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} else if (debugifc_match_keyword(wptr,wlen,"firmware")) {
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return pvr2_upload_firmware2(hdw);
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} else if (debugifc_match_keyword(wptr,wlen,"decoder")) {
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return pvr2_hdw_cmd_decoder_reset(hdw);
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} else if (debugifc_match_keyword(wptr,wlen,"worker")) {
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return pvr2_hdw_untrip(hdw);
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} else if (debugifc_match_keyword(wptr,wlen,"usbstats")) {
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pvr2_stream_get_stats(pvr2_hdw_get_video_stream(hdw),
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NULL, !0);
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return 0;
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}
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return -EINVAL;
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} else if (debugifc_match_keyword(wptr,wlen,"cpufw")) {
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (!scnt) return -EINVAL;
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count -= scnt; buf += scnt;
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if (!wptr) return -EINVAL;
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if (debugifc_match_keyword(wptr,wlen,"fetch")) {
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (scnt && wptr) {
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count -= scnt; buf += scnt;
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if (debugifc_match_keyword(wptr,wlen,"prom")) {
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pvr2_hdw_cpufw_set_enabled(hdw,!0,!0);
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} else if (debugifc_match_keyword(wptr,wlen,
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"ram")) {
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pvr2_hdw_cpufw_set_enabled(hdw,0,!0);
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} else {
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return -EINVAL;
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}
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}
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pvr2_hdw_cpufw_set_enabled(hdw,0,!0);
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return 0;
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} else if (debugifc_match_keyword(wptr,wlen,"done")) {
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pvr2_hdw_cpufw_set_enabled(hdw,0,0);
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return 0;
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} else {
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return -EINVAL;
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}
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} else if (debugifc_match_keyword(wptr,wlen,"gpio")) {
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int dir_fl = 0;
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int ret;
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u32 msk,val;
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (!scnt) return -EINVAL;
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count -= scnt; buf += scnt;
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if (!wptr) return -EINVAL;
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if (debugifc_match_keyword(wptr,wlen,"dir")) {
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dir_fl = !0;
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} else if (!debugifc_match_keyword(wptr,wlen,"out")) {
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return -EINVAL;
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}
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (!scnt) return -EINVAL;
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count -= scnt; buf += scnt;
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if (!wptr) return -EINVAL;
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ret = debugifc_parse_unsigned_number(wptr,wlen,&msk);
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if (ret) return ret;
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scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
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if (wptr) {
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ret = debugifc_parse_unsigned_number(wptr,wlen,&val);
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if (ret) return ret;
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} else {
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val = msk;
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msk = 0xffffffff;
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}
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if (dir_fl) {
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ret = pvr2_hdw_gpio_chg_dir(hdw,msk,val);
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} else {
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ret = pvr2_hdw_gpio_chg_out(hdw,msk,val);
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}
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return ret;
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}
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pvr2_trace(PVR2_TRACE_DEBUGIFC,
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"debugifc failed to recognize cmd: \"%.*s\"",wlen,wptr);
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return -EINVAL;
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}
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int pvr2_debugifc_docmd(struct pvr2_hdw *hdw,const char *buf,
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unsigned int count)
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{
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unsigned int bcnt = 0;
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int ret;
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while (count) {
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for (bcnt = 0; bcnt < count; bcnt++) {
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if (buf[bcnt] == '\n') break;
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}
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ret = pvr2_debugifc_do1cmd(hdw,buf,bcnt);
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if (ret < 0) return ret;
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if (bcnt < count) bcnt++;
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buf += bcnt;
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count -= bcnt;
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}
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return 0;
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}
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/*
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Stuff for Emacs to see, in order to encourage consistent editing style:
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*** Local Variables: ***
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*** mode: c ***
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*** fill-column: 75 ***
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*** tab-width: 8 ***
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*** c-basic-offset: 8 ***
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*** End: ***
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*/
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