Quelle pvrusb2-debugifc.c
Sprache: unbekannt
// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
*/
#include <linux/string.h>
#include "pvrusb2-debugifc.h"
#include "pvrusb2-hdw.h"
#include "pvrusb2-debug.h"
static unsigned int debugifc_count_whitespace(const char *buf,
unsigned int count)
{
unsigned int scnt;
char ch;
for (scnt = 0; scnt < count; scnt++) {
ch = buf[scnt];
if (ch == ' ' ) continue ;
if (ch == '\t' ) continue ;
if (ch == '\n' ) continue ;
break ;
}
return scnt;
}
static unsigned int debugifc_count_nonwhitespace(const char *buf,
unsigned int count)
{
unsigned int scnt;
char ch;
for (scnt = 0; scnt < count; scnt++) {
ch = buf[scnt];
if (ch == ' ' ) break ;
if (ch == '\t' ) break ;
if (ch == '\n' ) break ;
}
return scnt;
}
static unsigned int debugifc_isolate_word(const char *buf,unsigned int count,
const char **wstrPtr,
unsigned int *wlenPtr)
{
const char *wptr;
unsigned int consume_cnt = 0;
unsigned int wlen;
unsigned int scnt;
wptr = NULL;
wlen = 0;
scnt = debugifc_count_whitespace(buf,count);
consume_cnt += scnt; count -= scnt; buf += scnt;
if (!count) goto done;
scnt = debugifc_count_nonwhitespace(buf,count);
if (!scnt) goto done;
wptr = buf;
wlen = scnt;
consume_cnt += scnt; count -= scnt; buf += scnt;
done:
*wstrPtr = wptr;
*wlenPtr = wlen;
return consume_cnt;
}
static int debugifc_parse_unsigned_number(const char *buf,unsigned int count,
u32 *num_ptr)
{
u32 result = 0;
int radix = 10;
if ((count >= 2) && (buf[0] == '0' ) &&
((buf[1] == 'x' ) || (buf[1] == 'X' ))) {
radix = 16;
count -= 2;
buf += 2;
} else if ((count >= 1) && (buf[0] == '0' )) {
radix = 8;
}
while (count--) {
int val = hex_to_bin(*buf++);
if (val < 0 || val >= radix)
return -EINVAL;
result *= radix;
result += val;
}
*num_ptr = result;
return 0;
}
static int debugifc_match_keyword(const char *buf,unsigned int count,
const char *keyword)
{
unsigned int kl;
if (!keyword) return 0;
kl = strlen(keyword);
if (kl != count) return 0;
return !memcmp(buf,keyword,kl);
}
int pvr2_debugifc_print_info(struct pvr2_hdw *hdw,char *buf,unsigned int acnt)
{
int bcnt = 0;
int ccnt;
ccnt = scnprintf(buf, acnt, "Driver hardware description: %s\n" ,
pvr2_hdw_get_desc(hdw));
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
ccnt = scnprintf(buf,acnt,"Driver state info:\n" );
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
ccnt = pvr2_hdw_state_report(hdw,buf,acnt);
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
return bcnt;
}
int pvr2_debugifc_print_status(struct pvr2_hdw *hdw,
char *buf,unsigned int acnt)
{
int bcnt = 0;
int ccnt;
int ret;
u32 gpio_dir,gpio_in,gpio_out;
struct pvr2_stream_stats stats;
struct pvr2_stream *sp;
ret = pvr2_hdw_is_hsm(hdw);
ccnt = scnprintf(buf,acnt,"USB link speed: %s\n" ,
(ret < 0 ? "FAIL" : (ret ? "high" : "full" )));
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
gpio_dir = 0; gpio_in = 0; gpio_out = 0;
pvr2_hdw_gpio_get_dir(hdw,&gpio_dir);
pvr2_hdw_gpio_get_out(hdw,&gpio_out);
pvr2_hdw_gpio_get_in(hdw,&gpio_in);
ccnt = scnprintf(buf,acnt,"GPIO state: dir=0x%x in=0x%x out=0x%x\n" ,
gpio_dir,gpio_in,gpio_out);
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
ccnt = scnprintf(buf,acnt,"Streaming is %s\n" ,
pvr2_hdw_get_streaming(hdw) ? "on" : "off" );
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
sp = pvr2_hdw_get_video_stream(hdw);
if (sp) {
pvr2_stream_get_stats(sp, &stats, 0);
ccnt = scnprintf(
buf,acnt,
"Bytes streamed=%u URBs: queued=%u idle=%u ready=%u processed=%u failed=%u\n" ,
stats.bytes_processed,
stats.buffers_in_queue,
stats.buffers_in_idle,
stats.buffers_in_ready,
stats.buffers_processed,
stats.buffers_failed);
bcnt += ccnt; acnt -= ccnt; buf += ccnt;
}
return bcnt;
}
static int pvr2_debugifc_do1cmd(struct pvr2_hdw *hdw,const char *buf,
unsigned int count)
{
const char *wptr;
unsigned int wlen;
unsigned int scnt;
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (!scnt) return 0;
count -= scnt; buf += scnt;
if (!wptr) return 0;
pvr2_trace(PVR2_TRACE_DEBUGIFC,"debugifc cmd: \" %.*s\"" ,wlen,wptr);
if (debugifc_match_keyword(wptr,wlen,"reset" )) {
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (!scnt) return -EINVAL;
count -= scnt; buf += scnt;
if (!wptr) return -EINVAL;
if (debugifc_match_keyword(wptr,wlen,"cpu" )) {
pvr2_hdw_cpureset_assert(hdw,!0);
pvr2_hdw_cpureset_assert(hdw,0);
return 0;
} else if (debugifc_match_keyword(wptr,wlen,"bus" )) {
pvr2_hdw_device_reset(hdw);
} else if (debugifc_match_keyword(wptr,wlen,"soft" )) {
return pvr2_hdw_cmd_powerup(hdw);
} else if (debugifc_match_keyword(wptr,wlen,"deep" )) {
return pvr2_hdw_cmd_deep_reset(hdw);
} else if (debugifc_match_keyword(wptr,wlen,"firmware" )) {
return pvr2_upload_firmware2(hdw);
} else if (debugifc_match_keyword(wptr,wlen,"decoder" )) {
return pvr2_hdw_cmd_decoder_reset(hdw);
} else if (debugifc_match_keyword(wptr,wlen,"worker" )) {
return pvr2_hdw_untrip(hdw);
} else if (debugifc_match_keyword(wptr,wlen,"usbstats" )) {
pvr2_stream_get_stats(pvr2_hdw_get_video_stream(hdw),
NULL, !0);
return 0;
}
return -EINVAL;
} else if (debugifc_match_keyword(wptr,wlen,"cpufw" )) {
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (!scnt) return -EINVAL;
count -= scnt; buf += scnt;
if (!wptr) return -EINVAL;
if (debugifc_match_keyword(wptr,wlen,"fetch" )) {
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (scnt && wptr) {
count -= scnt; buf += scnt;
if (debugifc_match_keyword(wptr, wlen,
"prom" )) {
pvr2_hdw_cpufw_set_enabled(hdw, 2, !0);
} else if (debugifc_match_keyword(wptr, wlen,
"ram8k" )) {
pvr2_hdw_cpufw_set_enabled(hdw, 0, !0);
} else if (debugifc_match_keyword(wptr, wlen,
"ram16k" )) {
pvr2_hdw_cpufw_set_enabled(hdw, 1, !0);
} else {
return -EINVAL;
}
}
pvr2_hdw_cpufw_set_enabled(hdw,0,!0);
return 0;
} else if (debugifc_match_keyword(wptr,wlen,"done" )) {
pvr2_hdw_cpufw_set_enabled(hdw,0,0);
return 0;
} else {
return -EINVAL;
}
} else if (debugifc_match_keyword(wptr,wlen,"gpio" )) {
int dir_fl = 0;
int ret;
u32 msk,val;
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (!scnt) return -EINVAL;
count -= scnt; buf += scnt;
if (!wptr) return -EINVAL;
if (debugifc_match_keyword(wptr,wlen,"dir" )) {
dir_fl = !0;
} else if (!debugifc_match_keyword(wptr,wlen,"out" )) {
return -EINVAL;
}
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (!scnt) return -EINVAL;
count -= scnt; buf += scnt;
if (!wptr) return -EINVAL;
ret = debugifc_parse_unsigned_number(wptr,wlen,&msk);
if (ret) return ret;
scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
if (wptr) {
ret = debugifc_parse_unsigned_number(wptr,wlen,&val);
if (ret) return ret;
} else {
val = msk;
msk = 0xffffffff;
}
if (dir_fl) {
ret = pvr2_hdw_gpio_chg_dir(hdw,msk,val);
} else {
ret = pvr2_hdw_gpio_chg_out(hdw,msk,val);
}
return ret;
}
pvr2_trace(PVR2_TRACE_DEBUGIFC,
"debugifc failed to recognize cmd: \" %.*s\"" ,wlen,wptr);
return -EINVAL;
}
int pvr2_debugifc_docmd(struct pvr2_hdw *hdw,const char *buf,
unsigned int count)
{
unsigned int bcnt = 0;
int ret;
while (count) {
for (bcnt = 0; bcnt < count; bcnt++) {
if (buf[bcnt] == '\n' ) break ;
}
ret = pvr2_debugifc_do1cmd(hdw,buf,bcnt);
if (ret < 0) return ret;
if (bcnt < count) bcnt++;
buf += bcnt;
count -= bcnt;
}
return 0;
}
Messung V0.5 C=100 H=94 G=96
[ Dauer der Verarbeitung: 0.3 Sekunden
(vorverarbeitet)
]
2026-04-07