5 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/string.h>
23 #include <linux/slab.h>
24 #include "pvrusb2-debugifc.h"
25 #include "pvrusb2-hdw.h"
26 #include "pvrusb2-debug.h"
27 #include "pvrusb2-i2c-core.h"
29 struct debugifc_mask_item {
35 static unsigned int debugifc_count_whitespace(const char *buf,
41 for (scnt = 0; scnt < count; scnt++) {
43 if (ch == ' ') continue;
44 if (ch == '\t') continue;
45 if (ch == '\n') continue;
52 static unsigned int debugifc_count_nonwhitespace(const char *buf,
58 for (scnt = 0; scnt < count; scnt++) {
61 if (ch == '\t') break;
62 if (ch == '\n') break;
68 static unsigned int debugifc_isolate_word(const char *buf,unsigned int count,
70 unsigned int *wlenPtr)
73 unsigned int consume_cnt = 0;
79 scnt = debugifc_count_whitespace(buf,count);
80 consume_cnt += scnt; count -= scnt; buf += scnt;
81 if (!count) goto done;
83 scnt = debugifc_count_nonwhitespace(buf,count);
87 consume_cnt += scnt; count -= scnt; buf += scnt;
96 static int debugifc_parse_unsigned_number(const char *buf,unsigned int count,
103 if ((count >= 2) && (buf[0] == '0') &&
104 ((buf[1] == 'x') || (buf[1] == 'X'))) {
108 } else if ((count >= 1) && (buf[0] == '0')) {
114 if ((ch >= '0') && (ch <= '9')) {
116 } else if ((ch >= 'a') && (ch <= 'f')) {
118 } else if ((ch >= 'A') && (ch <= 'F')) {
123 if (val >= radix) return -EINVAL;
132 static int debugifc_match_keyword(const char *buf,unsigned int count,
136 if (!keyword) return 0;
137 kl = strlen(keyword);
138 if (kl != count) return 0;
139 return !memcmp(buf,keyword,kl);
143 int pvr2_debugifc_print_info(struct pvr2_hdw *hdw,char *buf,unsigned int acnt)
147 ccnt = scnprintf(buf,acnt,"Driver state info:\n");
148 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
149 ccnt = pvr2_hdw_state_report(hdw,buf,acnt);
150 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
151 ccnt = scnprintf(buf,acnt,"Attached I2C modules:\n");
152 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
153 ccnt = pvr2_i2c_report(hdw,buf,acnt);
154 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
160 int pvr2_debugifc_print_status(struct pvr2_hdw *hdw,
161 char *buf,unsigned int acnt)
166 u32 gpio_dir,gpio_in,gpio_out;
167 struct pvr2_stream_stats stats;
168 struct pvr2_stream *sp;
170 ret = pvr2_hdw_is_hsm(hdw);
171 ccnt = scnprintf(buf,acnt,"USB link speed: %s\n",
172 (ret < 0 ? "FAIL" : (ret ? "high" : "full")));
173 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
175 gpio_dir = 0; gpio_in = 0; gpio_out = 0;
176 pvr2_hdw_gpio_get_dir(hdw,&gpio_dir);
177 pvr2_hdw_gpio_get_out(hdw,&gpio_out);
178 pvr2_hdw_gpio_get_in(hdw,&gpio_in);
179 ccnt = scnprintf(buf,acnt,"GPIO state: dir=0x%x in=0x%x out=0x%x\n",
180 gpio_dir,gpio_in,gpio_out);
181 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
183 ccnt = scnprintf(buf,acnt,"Streaming is %s\n",
184 pvr2_hdw_get_streaming(hdw) ? "on" : "off");
185 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
188 sp = pvr2_hdw_get_video_stream(hdw);
190 pvr2_stream_get_stats(sp, &stats, 0);
194 " URBs: queued=%u idle=%u ready=%u"
195 " processed=%u failed=%u\n",
196 stats.bytes_processed,
197 stats.buffers_in_queue,
198 stats.buffers_in_idle,
199 stats.buffers_in_ready,
200 stats.buffers_processed,
201 stats.buffers_failed);
202 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
209 static int pvr2_debugifc_do1cmd(struct pvr2_hdw *hdw,const char *buf,
216 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
218 count -= scnt; buf += scnt;
221 pvr2_trace(PVR2_TRACE_DEBUGIFC,"debugifc cmd: \"%.*s\"",wlen,wptr);
222 if (debugifc_match_keyword(wptr,wlen,"reset")) {
223 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
224 if (!scnt) return -EINVAL;
225 count -= scnt; buf += scnt;
226 if (!wptr) return -EINVAL;
227 if (debugifc_match_keyword(wptr,wlen,"cpu")) {
228 pvr2_hdw_cpureset_assert(hdw,!0);
229 pvr2_hdw_cpureset_assert(hdw,0);
231 } else if (debugifc_match_keyword(wptr,wlen,"bus")) {
232 pvr2_hdw_device_reset(hdw);
233 } else if (debugifc_match_keyword(wptr,wlen,"soft")) {
234 return pvr2_hdw_cmd_powerup(hdw);
235 } else if (debugifc_match_keyword(wptr,wlen,"deep")) {
236 return pvr2_hdw_cmd_deep_reset(hdw);
237 } else if (debugifc_match_keyword(wptr,wlen,"firmware")) {
238 return pvr2_upload_firmware2(hdw);
239 } else if (debugifc_match_keyword(wptr,wlen,"decoder")) {
240 return pvr2_hdw_cmd_decoder_reset(hdw);
241 } else if (debugifc_match_keyword(wptr,wlen,"worker")) {
242 return pvr2_hdw_untrip(hdw);
243 } else if (debugifc_match_keyword(wptr,wlen,"usbstats")) {
244 pvr2_stream_get_stats(pvr2_hdw_get_video_stream(hdw),
249 } else if (debugifc_match_keyword(wptr,wlen,"cpufw")) {
250 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
251 if (!scnt) return -EINVAL;
252 count -= scnt; buf += scnt;
253 if (!wptr) return -EINVAL;
254 if (debugifc_match_keyword(wptr,wlen,"fetch")) {
255 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
257 count -= scnt; buf += scnt;
258 if (debugifc_match_keyword(wptr,wlen,"prom")) {
259 pvr2_hdw_cpufw_set_enabled(hdw,!0,!0);
260 } else if (debugifc_match_keyword(wptr,wlen,
262 pvr2_hdw_cpufw_set_enabled(hdw,0,!0);
267 pvr2_hdw_cpufw_set_enabled(hdw,0,!0);
269 } else if (debugifc_match_keyword(wptr,wlen,"done")) {
270 pvr2_hdw_cpufw_set_enabled(hdw,0,0);
275 } else if (debugifc_match_keyword(wptr,wlen,"gpio")) {
279 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
280 if (!scnt) return -EINVAL;
281 count -= scnt; buf += scnt;
282 if (!wptr) return -EINVAL;
283 if (debugifc_match_keyword(wptr,wlen,"dir")) {
285 } else if (!debugifc_match_keyword(wptr,wlen,"out")) {
288 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
289 if (!scnt) return -EINVAL;
290 count -= scnt; buf += scnt;
291 if (!wptr) return -EINVAL;
292 ret = debugifc_parse_unsigned_number(wptr,wlen,&msk);
294 scnt = debugifc_isolate_word(buf,count,&wptr,&wlen);
296 ret = debugifc_parse_unsigned_number(wptr,wlen,&val);
303 ret = pvr2_hdw_gpio_chg_dir(hdw,msk,val);
305 ret = pvr2_hdw_gpio_chg_out(hdw,msk,val);
309 pvr2_trace(PVR2_TRACE_DEBUGIFC,
310 "debugifc failed to recognize cmd: \"%.*s\"",wlen,wptr);
315 int pvr2_debugifc_docmd(struct pvr2_hdw *hdw,const char *buf,
318 unsigned int bcnt = 0;
322 for (bcnt = 0; bcnt < count; bcnt++) {
323 if (buf[bcnt] == '\n') break;
326 ret = pvr2_debugifc_do1cmd(hdw,buf,bcnt);
327 if (ret < 0) return ret;
328 if (bcnt < count) bcnt++;
338 Stuff for Emacs to see, in order to encourage consistent editing style:
339 *** Local Variables: ***
341 *** fill-column: 75 ***
343 *** c-basic-offset: 8 ***