Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / media / usb / pvrusb2 / pvrusb2-debugifc.c
diff --git a/kernel/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c b/kernel/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
new file mode 100644 (file)
index 0000000..e4022bc
--- /dev/null
@@ -0,0 +1,324 @@
+/*
+ *
+ *
+ *  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;
+}