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d855497e MI |
1 | /* |
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++); |
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; |
152 | u32 gpio_dir,gpio_in,gpio_out; | |
ad0992e9 MI |
153 | struct pvr2_stream_stats stats; |
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, |
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")) { |
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 | } |
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; |
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 | */ |