[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / pvrusb2 / pvrusb2-debugifc.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: ***
  */
Commit	Line	Data
d855497e MI	1	/*
d855497e MI	2	*
d855497e MI	3	*
	4	* Copyright (C) 2005 Mike Isely <isely@pobox.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*
	19	*/
	20
	21	#include <linux/string.h>
d855497e MI	22	#include "pvrusb2-debugifc.h"
	23	#include "pvrusb2-hdw.h"
	24	#include "pvrusb2-debug.h"
d855497e MI	25
	26	struct debugifc_mask_item {
	27	const char *name;
	28	unsigned long msk;
	29	};
	30
d855497e MI	31
	32	static unsigned int debugifc_count_whitespace(const char *buf,
	33	unsigned int count)
	34	{
	35	unsigned int scnt;
	36	char ch;
	37
	38	for (scnt = 0; scnt < count; scnt++) {
	39	ch = buf[scnt];
	40	if (ch == ' ') continue;
	41	if (ch == '\t') continue;
	42	if (ch == '\n') continue;
	43	break;
	44	}
	45	return scnt;
	46	}
	47
	48
	49	static unsigned int debugifc_count_nonwhitespace(const char *buf,
	50	unsigned int count)
	51	{
	52	unsigned int scnt;
	53	char ch;
	54
	55	for (scnt = 0; scnt < count; scnt++) {
	56	ch = buf[scnt];
	57	if (ch == ' ') break;
	58	if (ch == '\t') break;
	59	if (ch == '\n') break;
	60	}
	61	return scnt;
	62	}
	63
	64
	65	static unsigned int debugifc_isolate_word(const char *buf,unsigned int count,
	66	const char **wstrPtr,
	67	unsigned int *wlenPtr)
	68	{
	69	const char *wptr;
	70	unsigned int consume_cnt = 0;
	71	unsigned int wlen;
	72	unsigned int scnt;
	73
a0fd1cb1	74	wptr = NULL;
d855497e MI	75	wlen = 0;
	76	scnt = debugifc_count_whitespace(buf,count);
	77	consume_cnt += scnt; count -= scnt; buf += scnt;
	78	if (!count) goto done;
	79
	80	scnt = debugifc_count_nonwhitespace(buf,count);
	81	if (!scnt) goto done;
	82	wptr = buf;
	83	wlen = scnt;
	84	consume_cnt += scnt; count -= scnt; buf += scnt;
	85
	86	done:
	87	*wstrPtr = wptr;
	88	*wlenPtr = wlen;
	89	return consume_cnt;
	90	}
	91
	92
	93	static int debugifc_parse_unsigned_number(const char *buf,unsigned int count,
	94	u32 *num_ptr)
	95	{
	96	u32 result = 0;
d855497e MI	97	int radix = 10;
	98	if ((count >= 2) && (buf[0] == '0') &&
	99	((buf[1] == 'x') \|\| (buf[1] == 'X'))) {
	100	radix = 16;
	101	count -= 2;
	102	buf += 2;
	103	} else if ((count >= 1) && (buf[0] == '0')) {
	104	radix = 8;
	105	}
	106
	107	while (count--) {
e03b9843 AS	108	int val = hex_to_bin(*buf++);
e03b9843 AS	109	if (val < 0 \|\| val >= radix)
d855497e	110	return -EINVAL;
d855497e MI	111	result *= radix;
	112	result += val;
	113	}
	114	*num_ptr = result;
	115	return 0;
	116	}
	117
	118
	119	static int debugifc_match_keyword(const char *buf,unsigned int count,
	120	const char *keyword)
	121	{
	122	unsigned int kl;
	123	if (!keyword) return 0;
	124	kl = strlen(keyword);
	125	if (kl != count) return 0;
	126	return !memcmp(buf,keyword,kl);
	127	}
	128
	129
d855497e MI	130	int pvr2_debugifc_print_info(struct pvr2_hdw hdw,char buf,unsigned int acnt)
	131	{
	132	int bcnt = 0;
	133	int ccnt;
aa976ca1 MI	134	ccnt = scnprintf(buf, acnt, "Driver hardware description: %s\n",
	135	pvr2_hdw_get_desc(hdw));
	136	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
681c7399	137	ccnt = scnprintf(buf,acnt,"Driver state info:\n");
d855497e	138	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
681c7399	139	ccnt = pvr2_hdw_state_report(hdw,buf,acnt);
d855497e	140	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
d855497e MI	141
	142	return bcnt;
	143	}
	144
	145
	146	int pvr2_debugifc_print_status(struct pvr2_hdw *hdw,
	147	char *buf,unsigned int acnt)
	148	{
	149	int bcnt = 0;
	150	int ccnt;
d855497e MI	151	int ret;
d855497e MI	152	u32 gpio_dir,gpio_in,gpio_out;
ad0992e9 MI	153	struct pvr2_stream_stats stats;
ad0992e9 MI	154	struct pvr2_stream *sp;
d855497e MI	155
	156	ret = pvr2_hdw_is_hsm(hdw);
	157	ccnt = scnprintf(buf,acnt,"USB link speed: %s\n",
	158	(ret < 0 ? "FAIL" : (ret ? "high" : "full")));
	159	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
	160
	161	gpio_dir = 0; gpio_in = 0; gpio_out = 0;
	162	pvr2_hdw_gpio_get_dir(hdw,&gpio_dir);
	163	pvr2_hdw_gpio_get_out(hdw,&gpio_out);
	164	pvr2_hdw_gpio_get_in(hdw,&gpio_in);
	165	ccnt = scnprintf(buf,acnt,"GPIO state: dir=0x%x in=0x%x out=0x%x\n",
	166	gpio_dir,gpio_in,gpio_out);
	167	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
	168
	169	ccnt = scnprintf(buf,acnt,"Streaming is %s\n",
	170	pvr2_hdw_get_streaming(hdw) ? "on" : "off");
	171	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
	172
ad0992e9 MI	173
	174	sp = pvr2_hdw_get_video_stream(hdw);
	175	if (sp) {
	176	pvr2_stream_get_stats(sp, &stats, 0);
	177	ccnt = scnprintf(
	178	buf,acnt,
	179	"Bytes streamed=%u"
	180	" URBs: queued=%u idle=%u ready=%u"
	181	" processed=%u failed=%u\n",
	182	stats.bytes_processed,
	183	stats.buffers_in_queue,
	184	stats.buffers_in_idle,
	185	stats.buffers_in_ready,
	186	stats.buffers_processed,
	187	stats.buffers_failed);
	188	bcnt += ccnt; acnt -= ccnt; buf += ccnt;
	189	}
	190
d855497e MI	191	return bcnt;
	192	}
	193
	194
07e337ee AB	195	static int pvr2_debugifc_do1cmd(struct pvr2_hdw hdw,const char buf,
07e337ee AB	196	unsigned int count)
d855497e MI	197	{
	198	const char *wptr;
	199	unsigned int wlen;
	200	unsigned int scnt;
	201
	202	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	203	if (!scnt) return 0;
	204	count -= scnt; buf += scnt;
	205	if (!wptr) return 0;
	206
	207	pvr2_trace(PVR2_TRACE_DEBUGIFC,"debugifc cmd: \"%.*s\"",wlen,wptr);
	208	if (debugifc_match_keyword(wptr,wlen,"reset")) {
	209	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	210	if (!scnt) return -EINVAL;
	211	count -= scnt; buf += scnt;
	212	if (!wptr) return -EINVAL;
	213	if (debugifc_match_keyword(wptr,wlen,"cpu")) {
	214	pvr2_hdw_cpureset_assert(hdw,!0);
	215	pvr2_hdw_cpureset_assert(hdw,0);
	216	return 0;
	217	} else if (debugifc_match_keyword(wptr,wlen,"bus")) {
	218	pvr2_hdw_device_reset(hdw);
	219	} else if (debugifc_match_keyword(wptr,wlen,"soft")) {
	220	return pvr2_hdw_cmd_powerup(hdw);
	221	} else if (debugifc_match_keyword(wptr,wlen,"deep")) {
	222	return pvr2_hdw_cmd_deep_reset(hdw);
	223	} else if (debugifc_match_keyword(wptr,wlen,"firmware")) {
	224	return pvr2_upload_firmware2(hdw);
	225	} else if (debugifc_match_keyword(wptr,wlen,"decoder")) {
	226	return pvr2_hdw_cmd_decoder_reset(hdw);
681c7399 MI	227	} else if (debugifc_match_keyword(wptr,wlen,"worker")) {
681c7399 MI	228	return pvr2_hdw_untrip(hdw);
ad0992e9 MI	229	} else if (debugifc_match_keyword(wptr,wlen,"usbstats")) {
	230	pvr2_stream_get_stats(pvr2_hdw_get_video_stream(hdw),
	231	NULL, !0);
	232	return 0;
d855497e MI	233	}
d855497e MI	234	return -EINVAL;
d855497e MI	235	} else if (debugifc_match_keyword(wptr,wlen,"cpufw")) {
	236	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	237	if (!scnt) return -EINVAL;
	238	count -= scnt; buf += scnt;
	239	if (!wptr) return -EINVAL;
	240	if (debugifc_match_keyword(wptr,wlen,"fetch")) {
4db666cc MI	241	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	242	if (scnt && wptr) {
	243	count -= scnt; buf += scnt;
568efaa2 MI	244	if (debugifc_match_keyword(wptr, wlen,
	245	"prom")) {
	246	pvr2_hdw_cpufw_set_enabled(hdw, 2, !0);
	247	} else if (debugifc_match_keyword(wptr, wlen,
	248	"ram8k")) {
	249	pvr2_hdw_cpufw_set_enabled(hdw, 0, !0);
	250	} else if (debugifc_match_keyword(wptr, wlen,
	251	"ram16k")) {
	252	pvr2_hdw_cpufw_set_enabled(hdw, 1, !0);
4db666cc MI	253	} else {
	254	return -EINVAL;
	255	}
	256	}
	257	pvr2_hdw_cpufw_set_enabled(hdw,0,!0);
d855497e MI	258	return 0;
d855497e MI	259	} else if (debugifc_match_keyword(wptr,wlen,"done")) {
4db666cc	260	pvr2_hdw_cpufw_set_enabled(hdw,0,0);
d855497e MI	261	return 0;
	262	} else {
	263	return -EINVAL;
	264	}
	265	} else if (debugifc_match_keyword(wptr,wlen,"gpio")) {
	266	int dir_fl = 0;
	267	int ret;
	268	u32 msk,val;
	269	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	270	if (!scnt) return -EINVAL;
	271	count -= scnt; buf += scnt;
	272	if (!wptr) return -EINVAL;
	273	if (debugifc_match_keyword(wptr,wlen,"dir")) {
	274	dir_fl = !0;
	275	} else if (!debugifc_match_keyword(wptr,wlen,"out")) {
	276	return -EINVAL;
	277	}
	278	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	279	if (!scnt) return -EINVAL;
	280	count -= scnt; buf += scnt;
	281	if (!wptr) return -EINVAL;
	282	ret = debugifc_parse_unsigned_number(wptr,wlen,&msk);
	283	if (ret) return ret;
	284	scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
	285	if (wptr) {
	286	ret = debugifc_parse_unsigned_number(wptr,wlen,&val);
	287	if (ret) return ret;
	288	} else {
	289	val = msk;
	290	msk = 0xffffffff;
	291	}
	292	if (dir_fl) {
	293	ret = pvr2_hdw_gpio_chg_dir(hdw,msk,val);
	294	} else {
	295	ret = pvr2_hdw_gpio_chg_out(hdw,msk,val);
	296	}
	297	return ret;
	298	}
	299	pvr2_trace(PVR2_TRACE_DEBUGIFC,
	300	"debugifc failed to recognize cmd: \"%.*s\"",wlen,wptr);
	301	return -EINVAL;
	302	}
	303
	304
	305	int pvr2_debugifc_docmd(struct pvr2_hdw hdw,const char buf,
	306	unsigned int count)
	307	{
	308	unsigned int bcnt = 0;
	309	int ret;
	310
	311	while (count) {
	312	for (bcnt = 0; bcnt < count; bcnt++) {
	313	if (buf[bcnt] == '\n') break;
	314	}
	315
	316	ret = pvr2_debugifc_do1cmd(hdw,buf,bcnt);
	317	if (ret < 0) return ret;
	318	if (bcnt < count) bcnt++;
	319	buf += bcnt;
	320	count -= bcnt;
	321	}
	322
	323	return 0;
	324	}
325
326
327	/*
328	Stuff for Emacs to see, in order to encourage consistent editing style:
329	* Local Variables: *
330	* mode: c *
331	* fill-column: 75 *
332	* tab-width: 8 *
333	* c-basic-offset: 8 *
334	* End: *
335	*/