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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-debugifc.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-debugifc.c308
1 files changed, 308 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c b/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
new file mode 100644
index 000000000..84cfb5ce8
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-debugifc.c
@@ -0,0 +1,308 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *
+ * Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ */
+
+#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;
+}