mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 21:21:47 +00:00
e03b9843dc
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
336 lines
8.4 KiB
C
336 lines
8.4 KiB
C
/*
|
|
*
|
|
*
|
|
* Copyright (C) 2005 Mike Isely <isely@pobox.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
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/string.h>
|
|
#include "pvrusb2-debugifc.h"
|
|
#include "pvrusb2-hdw.h"
|
|
#include "pvrusb2-debug.h"
|
|
|
|
struct debugifc_mask_item {
|
|
const char *name;
|
|
unsigned long msk;
|
|
};
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
/*
|
|
Stuff for Emacs to see, in order to encourage consistent editing style:
|
|
*** Local Variables: ***
|
|
*** mode: c ***
|
|
*** fill-column: 75 ***
|
|
*** tab-width: 8 ***
|
|
*** c-basic-offset: 8 ***
|
|
*** End: ***
|
|
*/
|