Imported Debian patch 1.1.1+rev1457-1debian/1.1.1+rev1457-1

1 files changed, 323 insertions, 0 deletions

diff --git a/util/lsdvb/lsdvb.c b/util/lsdvb/lsdvb.c
new file mode 100644
index 0000000..7a206aa
--- /dev/null
+++ b/util/lsdvb/lsdvb.c
@@ -0,0 +1,323 @@
+/*
+ * lsdvb - list PCI DVB devices
+ *
+ * Copyright (C) 2010 Manu Abraham <abraham.manu@gmail.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, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <dirent.h>
+
+#include <linux/dvb/frontend.h>
+
+#define DVB_DIR			"/dev/dvb"
+#define DVB_DEV_DIR		"/dev/dvb"
+#define DVB_SYSFS_DIR		"/sys/class/dvb"
+
+/**
+ * DVB sysfs entries are found thus:
+ * /sys/class/dvb/dvb0.frontend0/device/dvb/dvb0.frontend0/uevent for DVB_ADAPTER_NUM, DVB_DEVICE_NUM
+ *
+ * /sys/class/dvb/dvb0.frontend0/device/device for PCI_DEVICE_ID
+ * /sys/class/dvb/dvb0.frontend0/device/vendor for PCI_VENDOR_ID
+ * /sys/class/dvb/dvb0.frontend0/device/irq    for PCI_IRQ
+ */
+
+#define MAXLEN		64
+
+int get_frontend_entry(DIR *dvb_dir, char *frontend_dev)
+{
+	struct dirent *adap_dir;
+	char tmp[MAXLEN];
+
+	adap_dir = readdir(dvb_dir);
+	if (adap_dir != NULL) {
+		/**
+		 * Directory structure follows:
+		 * .
+		 * ..
+		 * ~dvb0.demux0
+		 * ~dvb0.dvr0
+		 * ~dvb0.frontend0
+		 * ~dvb0.net0
+		 * ~dvb1.demux0
+		 * ~dvb1.dvr0
+		 * ~dvb1.frontend0
+		 * ~dvb1.net0
+		 */
+
+		/* print information */
+		sprintf(tmp, "%s/%s", DVB_SYSFS_DIR, adap_dir->d_name);
+		/* search for a dir entry with string "frontend" */
+		if (strstr(tmp, "frontend")) {
+			/* found a dvbX.frontendY */
+			strcpy(frontend_dev, tmp);
+			return 0;
+		} else {
+			return -2;
+		}
+	} else {
+		return -1;
+	}
+}
+
+
+/* read device number and adapter number from the uevent file */
+int read_frontend_uevent(char *uevent, int *device, int *adapter)
+{
+	char uf_name[MAXLEN];
+	FILE *ufile;
+	char line[128];
+	char *token = NULL;
+
+	/* get uevent file */
+	sprintf(uf_name, "%s/%s", uevent, "uevent");
+	ufile = fopen(uf_name, "r");
+	if (ufile == NULL) {
+		fprintf(stderr, "File: %s open failed\n", uf_name);
+		return -1;
+	}
+
+	while (1) {
+		if (fgets(line, sizeof (line), ufile) == NULL)
+			return -1;
+
+		if (strstr(line, "DVB_ADAPTER_NUM")) {
+			token = strtok(line, "=");
+			token = strtok(NULL, "=");
+			*adapter = atoi(token);
+		}
+
+		if (strstr(line, "DVB_DEVICE_NUM")) {
+			token = strtok(line, "=");
+			token = strtok(NULL, "=");
+			*device = atoi(token);
+		}
+	}
+
+	fclose(ufile);
+	return 0;
+}
+
+int read_device_uevent(char *uevent,
+		       char *drv,
+		       int *pci_ven,
+		       int *pci_dev,
+		       int *pci_subven,
+		       int *pci_subdev,
+		       int *domain,
+		       int *bus,
+		       int *device,
+		       int *fn)
+{
+	char uf_name[MAXLEN];
+	FILE *ufile;
+	char line[128];
+	char *token = NULL;
+	char *tmp;
+	int i;
+
+	/* get uevent file */
+	sprintf(uf_name, "%s/%s", uevent, "device/uevent");
+	ufile = fopen(uf_name, "r");
+	if (ufile == NULL) {
+		fprintf(stderr, "File: %s open failed\n", uf_name);
+		return -1;
+	}
+
+	while (1) {
+		if (fgets(line, sizeof (line), ufile) == NULL)
+			return -1;
+
+		if (strstr(line, "DRIVER")) {
+			token = strtok(line, "=");
+			token = strtok(NULL, "=");
+			for (i = 0; i < strlen(token); i++) {
+				if (token[i] == '\n' || token[i] == '\r')
+					token[i] = '\0';
+			}
+			strcpy(drv, token);
+		}
+		if (strstr(line, "PCI_ID")) {
+			token = strtok(line, "=");
+			token = strtok(NULL, "=");
+			*pci_ven = atoi(strtok(token, ":"));
+			*pci_dev = atoi(strtok(NULL, ":"));
+		}
+		if (strstr(line, "PCI_SUBSYS_ID")) {
+			token = strtok(line, "=");
+			token = strtok(NULL, "=");
+			*pci_subven = atoi(strtok(token, ":"));
+			*pci_subdev = atoi(strtok(NULL, ":"));
+
+		}
+		if (strstr(line, "PCI_SLOT_NAME")) {
+			token = strtok(line, "=");
+			token = strtok(NULL, "=");
+			*domain = atoi(strtok(token, ":"));
+			*bus = atoi(strtok(NULL, ":"));
+			tmp = strtok(NULL, ":");
+			*device = atoi(strtok(tmp, "."));
+			*fn = atoi(strtok(NULL, "."));
+		}
+	}
+
+	fclose(ufile);
+	return 0;
+}
+
+/* retrieve frontend info */
+int get_frontend_info(int adapter, char *frontend)
+{
+	DIR *dev_dir;
+	struct dirent *adap_dir;
+	char tmp[MAXLEN];
+
+	sprintf(tmp, "%s/adapter%d", DVB_DIR, adapter);
+	dev_dir = opendir(tmp);
+	if (!dev_dir) {
+		fprintf(stderr, "ERROR: Opening %s directory\n", tmp);
+		return - 1;
+	}
+
+	while ((adap_dir = readdir(dev_dir)) != NULL) {
+		/**
+		 * Directory structure follows:
+		 * .
+		 * ..
+		 * frontend0
+		 * frontend1
+		 * demux0
+		 * dvr0
+		 * net0
+		 */
+		if (!strcmp(adap_dir->d_name, "."))
+			continue;
+		if (!strcmp(adap_dir->d_name, ".."))
+			continue;
+
+		/* search for a dir entry with string "frontend" */
+		if (strstr(adap_dir->d_name, "frontend")) {
+			/* found a dvbX.frontendY */
+			strcpy(frontend, adap_dir->d_name);
+		}
+
+	}
+
+	closedir(dev_dir);
+	return 0;
+}
+
+int main(void)
+{
+	DIR *sys_dir;
+	char frontend_dev[MAXLEN];
+	int entry, device, adapter;
+	char drv[MAXLEN];
+	int pci_ven, pci_dev, pci_subven, pci_subdev;
+	int domain, bus, dev, fn;
+	int dev_prev = -1;
+
+	char tmp[MAXLEN];
+	char frontend[MAXLEN];
+	char fedev[MAXLEN];
+	int fd, ret;
+	struct dvb_frontend_info info;
+
+	static char *fe_type[] = {
+		[0] = "FE_QPSK",
+		[1] = "FE_QAM",
+		[2] = "FE_OFDM",
+		[3] = "FE_ATSC",
+	};
+
+	fprintf(stderr, "\n\t\tlsdvb: Simple utility to list PCI/PCIe DVB devices\n");
+	fprintf(stderr, "\t\tVersion: 0.0.4\n");
+	fprintf(stderr, "\t\tCopyright (C) Manu Abraham\n");
+	sys_dir = opendir(DVB_SYSFS_DIR);
+	if (!sys_dir) {
+		fprintf(stderr, "ERROR: Opening %s directory\n", DVB_SYSFS_DIR);
+		return - 1;
+	}
+
+	while (1) {
+		entry = get_frontend_entry(sys_dir, frontend_dev);
+		if (entry == 0) {
+
+			read_device_uevent(frontend_dev,
+					   drv,
+					   &pci_ven,
+					   &pci_dev,
+					   &pci_subven,
+					   &pci_subdev,
+					   &domain,
+					   &bus,
+					   &dev,
+					   &fn);
+
+			read_frontend_uevent(frontend_dev, &device, &adapter);
+			if (device != dev_prev) {
+				fprintf(stderr, "\n%s (%d:%d %d:%d) on PCI Domain:%d Bus:%d Device:%d Function:%d\n",
+					drv, pci_ven, pci_dev, pci_subven, pci_subdev, domain, bus, dev, fn);
+			}
+
+			fprintf(stderr, "\tDEVICE:%d ADAPTER:%d ", device, adapter);
+			dev_prev = device;
+
+			get_frontend_info(adapter, frontend);
+			sprintf(fedev, "%s/adapter%d/%s", DVB_DIR, adapter, frontend);
+			fd = open(fedev, O_RDWR | O_NONBLOCK);
+			if (fd < 0) {
+				fprintf(stderr, "ERROR: Open %s failed\n", frontend);
+				return -1;
+			}
+
+			ret = ioctl(fd, FE_GET_INFO, &info);
+			if (ret < 0) {
+				fprintf(stderr, "ERROR: IOCTL failed\n");
+				return -1;
+			}
+			strncpy(tmp, frontend + 8, 1);
+			fprintf(stderr, "FRONTEND:%d (%s) \n\t\t %s Fmin=%dMHz Fmax=%dMHz\n",
+				atoi(tmp),
+				info.name,
+				fe_type[info.type],
+				info.type == 0 ? info.frequency_min / 1000: info.frequency_min / 1000000,
+				info.type == 0 ? info.frequency_max / 1000: info.frequency_max / 1000000);
+		}
+
+		if (entry == -1)
+			break;
+		if (entry == -2)
+			continue;
+
+	}
+
+	closedir(sys_dir);
+
+	return 0;
+}