846 lines
23 KiB
C
846 lines
23 KiB
C
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/*
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*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/string.h>
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#include <linux/slab.h>
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#include "pvrusb2-sysfs.h"
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#include "pvrusb2-hdw.h"
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#include "pvrusb2-debug.h"
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#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
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#include "pvrusb2-debugifc.h"
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#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
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#define pvr2_sysfs_trace(...) pvr2_trace(PVR2_TRACE_SYSFS,__VA_ARGS__)
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struct pvr2_sysfs {
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struct pvr2_channel channel;
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struct device *class_dev;
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#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
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struct pvr2_sysfs_debugifc *debugifc;
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#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
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struct pvr2_sysfs_ctl_item *item_first;
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struct pvr2_sysfs_ctl_item *item_last;
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struct device_attribute attr_v4l_minor_number;
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struct device_attribute attr_v4l_radio_minor_number;
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struct device_attribute attr_unit_number;
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struct device_attribute attr_bus_info;
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struct device_attribute attr_hdw_name;
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struct device_attribute attr_hdw_desc;
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int v4l_minor_number_created_ok;
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int v4l_radio_minor_number_created_ok;
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int unit_number_created_ok;
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int bus_info_created_ok;
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int hdw_name_created_ok;
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int hdw_desc_created_ok;
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};
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#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
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struct pvr2_sysfs_debugifc {
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struct device_attribute attr_debugcmd;
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struct device_attribute attr_debuginfo;
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int debugcmd_created_ok;
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int debuginfo_created_ok;
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};
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#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
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struct pvr2_sysfs_ctl_item {
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struct device_attribute attr_name;
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struct device_attribute attr_type;
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struct device_attribute attr_min;
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struct device_attribute attr_max;
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struct device_attribute attr_def;
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struct device_attribute attr_enum;
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struct device_attribute attr_bits;
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struct device_attribute attr_val;
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struct device_attribute attr_custom;
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struct pvr2_ctrl *cptr;
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int ctl_id;
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struct pvr2_sysfs *chptr;
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struct pvr2_sysfs_ctl_item *item_next;
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struct attribute *attr_gen[8];
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struct attribute_group grp;
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int created_ok;
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char name[80];
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};
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struct pvr2_sysfs_class {
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struct class class;
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};
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static ssize_t show_name(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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const char *name;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_name);
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name = pvr2_ctrl_get_desc(cip->cptr);
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_name(cid=%d) is %s",
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cip->chptr, cip->ctl_id, name);
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if (!name) return -EINVAL;
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return scnprintf(buf, PAGE_SIZE, "%s\n", name);
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}
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static ssize_t show_type(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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const char *name;
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enum pvr2_ctl_type tp;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_type);
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tp = pvr2_ctrl_get_type(cip->cptr);
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switch (tp) {
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case pvr2_ctl_int: name = "integer"; break;
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case pvr2_ctl_enum: name = "enum"; break;
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case pvr2_ctl_bitmask: name = "bitmask"; break;
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case pvr2_ctl_bool: name = "boolean"; break;
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default: name = "?"; break;
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}
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_type(cid=%d) is %s",
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cip->chptr, cip->ctl_id, name);
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return scnprintf(buf, PAGE_SIZE, "%s\n", name);
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}
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static ssize_t show_min(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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long val;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_min);
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val = pvr2_ctrl_get_min(cip->cptr);
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_min(cid=%d) is %ld",
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cip->chptr, cip->ctl_id, val);
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return scnprintf(buf, PAGE_SIZE, "%ld\n", val);
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}
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static ssize_t show_max(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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long val;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_max);
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val = pvr2_ctrl_get_max(cip->cptr);
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_max(cid=%d) is %ld",
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cip->chptr, cip->ctl_id, val);
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return scnprintf(buf, PAGE_SIZE, "%ld\n", val);
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}
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static ssize_t show_def(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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int val;
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int ret;
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unsigned int cnt = 0;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_def);
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ret = pvr2_ctrl_get_def(cip->cptr, &val);
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if (ret < 0) return ret;
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ret = pvr2_ctrl_value_to_sym(cip->cptr, ~0, val,
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buf, PAGE_SIZE - 1, &cnt);
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_def(cid=%d) is %.*s (%d)",
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cip->chptr, cip->ctl_id, cnt, buf, val);
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buf[cnt] = '\n';
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return cnt + 1;
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}
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static ssize_t show_val_norm(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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int val;
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int ret;
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unsigned int cnt = 0;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_val);
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ret = pvr2_ctrl_get_value(cip->cptr, &val);
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if (ret < 0) return ret;
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ret = pvr2_ctrl_value_to_sym(cip->cptr, ~0, val,
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buf, PAGE_SIZE - 1, &cnt);
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_val_norm(cid=%d) is %.*s (%d)",
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cip->chptr, cip->ctl_id, cnt, buf, val);
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buf[cnt] = '\n';
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return cnt+1;
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}
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static ssize_t show_val_custom(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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int val;
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int ret;
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unsigned int cnt = 0;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_custom);
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ret = pvr2_ctrl_get_value(cip->cptr, &val);
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if (ret < 0) return ret;
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ret = pvr2_ctrl_custom_value_to_sym(cip->cptr, ~0, val,
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buf, PAGE_SIZE - 1, &cnt);
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_val_custom(cid=%d) is %.*s (%d)",
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cip->chptr, cip->ctl_id, cnt, buf, val);
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buf[cnt] = '\n';
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return cnt+1;
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}
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static ssize_t show_enum(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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long val;
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unsigned int bcnt, ccnt, ecnt;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_enum);
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ecnt = pvr2_ctrl_get_cnt(cip->cptr);
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bcnt = 0;
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for (val = 0; val < ecnt; val++) {
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pvr2_ctrl_get_valname(cip->cptr, val, buf + bcnt,
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PAGE_SIZE - bcnt, &ccnt);
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if (!ccnt) continue;
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bcnt += ccnt;
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if (bcnt >= PAGE_SIZE) break;
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buf[bcnt] = '\n';
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bcnt++;
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}
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_enum(cid=%d)",
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cip->chptr, cip->ctl_id);
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return bcnt;
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}
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static ssize_t show_bits(struct device *class_dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pvr2_sysfs_ctl_item *cip;
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int valid_bits, msk;
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unsigned int bcnt, ccnt;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_bits);
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valid_bits = pvr2_ctrl_get_mask(cip->cptr);
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bcnt = 0;
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for (msk = 1; valid_bits; msk <<= 1) {
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if (!(msk & valid_bits)) continue;
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valid_bits &= ~msk;
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pvr2_ctrl_get_valname(cip->cptr, msk, buf + bcnt,
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PAGE_SIZE - bcnt, &ccnt);
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bcnt += ccnt;
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if (bcnt >= PAGE_SIZE) break;
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buf[bcnt] = '\n';
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bcnt++;
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}
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pvr2_sysfs_trace("pvr2_sysfs(%p) show_bits(cid=%d)",
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cip->chptr, cip->ctl_id);
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return bcnt;
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}
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static int store_val_any(struct pvr2_sysfs_ctl_item *cip, int customfl,
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const char *buf,unsigned int count)
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{
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int ret;
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int mask,val;
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if (customfl) {
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ret = pvr2_ctrl_custom_sym_to_value(cip->cptr, buf, count,
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&mask, &val);
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} else {
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ret = pvr2_ctrl_sym_to_value(cip->cptr, buf, count,
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&mask, &val);
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}
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if (ret < 0) return ret;
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ret = pvr2_ctrl_set_mask_value(cip->cptr, mask, val);
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pvr2_hdw_commit_ctl(cip->chptr->channel.hdw);
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return ret;
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}
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static ssize_t store_val_norm(struct device *class_dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pvr2_sysfs_ctl_item *cip;
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int ret;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_val);
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pvr2_sysfs_trace("pvr2_sysfs(%p) store_val_norm(cid=%d) \"%.*s\"",
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cip->chptr, cip->ctl_id, (int)count, buf);
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ret = store_val_any(cip, 0, buf, count);
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if (!ret) ret = count;
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return ret;
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}
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static ssize_t store_val_custom(struct device *class_dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pvr2_sysfs_ctl_item *cip;
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int ret;
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cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_custom);
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pvr2_sysfs_trace("pvr2_sysfs(%p) store_val_custom(cid=%d) \"%.*s\"",
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cip->chptr, cip->ctl_id, (int)count, buf);
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ret = store_val_any(cip, 1, buf, count);
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if (!ret) ret = count;
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return ret;
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}
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static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id)
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{
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struct pvr2_sysfs_ctl_item *cip;
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struct pvr2_ctrl *cptr;
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unsigned int cnt,acnt;
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int ret;
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cptr = pvr2_hdw_get_ctrl_by_index(sfp->channel.hdw,ctl_id);
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if (!cptr) return;
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cip = kzalloc(sizeof(*cip),GFP_KERNEL);
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if (!cip) return;
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pvr2_sysfs_trace("Creating pvr2_sysfs_ctl_item id=%p",cip);
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cip->cptr = cptr;
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cip->ctl_id = ctl_id;
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cip->chptr = sfp;
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cip->item_next = NULL;
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if (sfp->item_last) {
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sfp->item_last->item_next = cip;
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} else {
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sfp->item_first = cip;
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}
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sfp->item_last = cip;
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sysfs_attr_init(&cip->attr_name.attr);
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cip->attr_name.attr.name = "name";
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cip->attr_name.attr.mode = S_IRUGO;
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cip->attr_name.show = show_name;
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sysfs_attr_init(&cip->attr_type.attr);
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cip->attr_type.attr.name = "type";
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cip->attr_type.attr.mode = S_IRUGO;
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cip->attr_type.show = show_type;
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sysfs_attr_init(&cip->attr_min.attr);
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cip->attr_min.attr.name = "min_val";
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cip->attr_min.attr.mode = S_IRUGO;
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cip->attr_min.show = show_min;
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sysfs_attr_init(&cip->attr_max.attr);
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cip->attr_max.attr.name = "max_val";
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||
|
|
cip->attr_max.attr.mode = S_IRUGO;
|
||
|
|
cip->attr_max.show = show_max;
|
||
|
|
|
||
|
|
sysfs_attr_init(&cip->attr_def.attr);
|
||
|
|
cip->attr_def.attr.name = "def_val";
|
||
|
|
cip->attr_def.attr.mode = S_IRUGO;
|
||
|
|
cip->attr_def.show = show_def;
|
||
|
|
|
||
|
|
sysfs_attr_init(&cip->attr_val.attr);
|
||
|
|
cip->attr_val.attr.name = "cur_val";
|
||
|
|
cip->attr_val.attr.mode = S_IRUGO;
|
||
|
|
|
||
|
|
sysfs_attr_init(&cip->attr_custom.attr);
|
||
|
|
cip->attr_custom.attr.name = "custom_val";
|
||
|
|
cip->attr_custom.attr.mode = S_IRUGO;
|
||
|
|
|
||
|
|
sysfs_attr_init(&cip->attr_enum.attr);
|
||
|
|
cip->attr_enum.attr.name = "enum_val";
|
||
|
|
cip->attr_enum.attr.mode = S_IRUGO;
|
||
|
|
cip->attr_enum.show = show_enum;
|
||
|
|
|
||
|
|
sysfs_attr_init(&cip->attr_bits.attr);
|
||
|
|
cip->attr_bits.attr.name = "bit_val";
|
||
|
|
cip->attr_bits.attr.mode = S_IRUGO;
|
||
|
|
cip->attr_bits.show = show_bits;
|
||
|
|
|
||
|
|
if (pvr2_ctrl_is_writable(cptr)) {
|
||
|
|
cip->attr_val.attr.mode |= S_IWUSR|S_IWGRP;
|
||
|
|
cip->attr_custom.attr.mode |= S_IWUSR|S_IWGRP;
|
||
|
|
}
|
||
|
|
|
||
|
|
acnt = 0;
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_name.attr;
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_type.attr;
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_val.attr;
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_def.attr;
|
||
|
|
cip->attr_val.show = show_val_norm;
|
||
|
|
cip->attr_val.store = store_val_norm;
|
||
|
|
if (pvr2_ctrl_has_custom_symbols(cptr)) {
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_custom.attr;
|
||
|
|
cip->attr_custom.show = show_val_custom;
|
||
|
|
cip->attr_custom.store = store_val_custom;
|
||
|
|
}
|
||
|
|
switch (pvr2_ctrl_get_type(cptr)) {
|
||
|
|
case pvr2_ctl_enum:
|
||
|
|
// Control is an enumeration
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_enum.attr;
|
||
|
|
break;
|
||
|
|
case pvr2_ctl_int:
|
||
|
|
// Control is an integer
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_min.attr;
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_max.attr;
|
||
|
|
break;
|
||
|
|
case pvr2_ctl_bitmask:
|
||
|
|
// Control is an bitmask
|
||
|
|
cip->attr_gen[acnt++] = &cip->attr_bits.attr;
|
||
|
|
break;
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
|
||
|
|
cnt = scnprintf(cip->name,sizeof(cip->name)-1,"ctl_%s",
|
||
|
|
pvr2_ctrl_get_name(cptr));
|
||
|
|
cip->name[cnt] = 0;
|
||
|
|
cip->grp.name = cip->name;
|
||
|
|
cip->grp.attrs = cip->attr_gen;
|
||
|
|
|
||
|
|
ret = sysfs_create_group(&sfp->class_dev->kobj,&cip->grp);
|
||
|
|
if (ret) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"sysfs_create_group error: %d",
|
||
|
|
ret);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
cip->created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
|
||
|
|
static ssize_t debuginfo_show(struct device *, struct device_attribute *,
|
||
|
|
char *);
|
||
|
|
static ssize_t debugcmd_show(struct device *, struct device_attribute *,
|
||
|
|
char *);
|
||
|
|
static ssize_t debugcmd_store(struct device *, struct device_attribute *,
|
||
|
|
const char *, size_t count);
|
||
|
|
|
||
|
|
static void pvr2_sysfs_add_debugifc(struct pvr2_sysfs *sfp)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs_debugifc *dip;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
dip = kzalloc(sizeof(*dip),GFP_KERNEL);
|
||
|
|
if (!dip) return;
|
||
|
|
sysfs_attr_init(&dip->attr_debugcmd.attr);
|
||
|
|
dip->attr_debugcmd.attr.name = "debugcmd";
|
||
|
|
dip->attr_debugcmd.attr.mode = S_IRUGO|S_IWUSR|S_IWGRP;
|
||
|
|
dip->attr_debugcmd.show = debugcmd_show;
|
||
|
|
dip->attr_debugcmd.store = debugcmd_store;
|
||
|
|
sysfs_attr_init(&dip->attr_debuginfo.attr);
|
||
|
|
dip->attr_debuginfo.attr.name = "debuginfo";
|
||
|
|
dip->attr_debuginfo.attr.mode = S_IRUGO;
|
||
|
|
dip->attr_debuginfo.show = debuginfo_show;
|
||
|
|
sfp->debugifc = dip;
|
||
|
|
ret = device_create_file(sfp->class_dev,&dip->attr_debugcmd);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
dip->debugcmd_created_ok = !0;
|
||
|
|
}
|
||
|
|
ret = device_create_file(sfp->class_dev,&dip->attr_debuginfo);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
dip->debuginfo_created_ok = !0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void pvr2_sysfs_tear_down_debugifc(struct pvr2_sysfs *sfp)
|
||
|
|
{
|
||
|
|
if (!sfp->debugifc) return;
|
||
|
|
if (sfp->debugifc->debuginfo_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->debugifc->attr_debuginfo);
|
||
|
|
}
|
||
|
|
if (sfp->debugifc->debugcmd_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->debugifc->attr_debugcmd);
|
||
|
|
}
|
||
|
|
kfree(sfp->debugifc);
|
||
|
|
sfp->debugifc = NULL;
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
|
||
|
|
|
||
|
|
|
||
|
|
static void pvr2_sysfs_add_controls(struct pvr2_sysfs *sfp)
|
||
|
|
{
|
||
|
|
unsigned int idx,cnt;
|
||
|
|
cnt = pvr2_hdw_get_ctrl_count(sfp->channel.hdw);
|
||
|
|
for (idx = 0; idx < cnt; idx++) {
|
||
|
|
pvr2_sysfs_add_control(sfp,idx);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void pvr2_sysfs_tear_down_controls(struct pvr2_sysfs *sfp)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs_ctl_item *cip1,*cip2;
|
||
|
|
for (cip1 = sfp->item_first; cip1; cip1 = cip2) {
|
||
|
|
cip2 = cip1->item_next;
|
||
|
|
if (cip1->created_ok) {
|
||
|
|
sysfs_remove_group(&sfp->class_dev->kobj,&cip1->grp);
|
||
|
|
}
|
||
|
|
pvr2_sysfs_trace("Destroying pvr2_sysfs_ctl_item id=%p",cip1);
|
||
|
|
kfree(cip1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void pvr2_sysfs_class_release(struct class *class)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs_class *clp;
|
||
|
|
clp = container_of(class,struct pvr2_sysfs_class,class);
|
||
|
|
pvr2_sysfs_trace("Destroying pvr2_sysfs_class id=%p",clp);
|
||
|
|
kfree(clp);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void pvr2_sysfs_release(struct device *class_dev)
|
||
|
|
{
|
||
|
|
pvr2_sysfs_trace("Releasing class_dev id=%p",class_dev);
|
||
|
|
kfree(class_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void class_dev_destroy(struct pvr2_sysfs *sfp)
|
||
|
|
{
|
||
|
|
struct device *dev;
|
||
|
|
if (!sfp->class_dev) return;
|
||
|
|
#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
|
||
|
|
pvr2_sysfs_tear_down_debugifc(sfp);
|
||
|
|
#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
|
||
|
|
pvr2_sysfs_tear_down_controls(sfp);
|
||
|
|
if (sfp->hdw_desc_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->attr_hdw_desc);
|
||
|
|
}
|
||
|
|
if (sfp->hdw_name_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->attr_hdw_name);
|
||
|
|
}
|
||
|
|
if (sfp->bus_info_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->attr_bus_info);
|
||
|
|
}
|
||
|
|
if (sfp->v4l_minor_number_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->attr_v4l_minor_number);
|
||
|
|
}
|
||
|
|
if (sfp->v4l_radio_minor_number_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->attr_v4l_radio_minor_number);
|
||
|
|
}
|
||
|
|
if (sfp->unit_number_created_ok) {
|
||
|
|
device_remove_file(sfp->class_dev,
|
||
|
|
&sfp->attr_unit_number);
|
||
|
|
}
|
||
|
|
pvr2_sysfs_trace("Destroying class_dev id=%p",sfp->class_dev);
|
||
|
|
dev_set_drvdata(sfp->class_dev, NULL);
|
||
|
|
dev = sfp->class_dev->parent;
|
||
|
|
sfp->class_dev->parent = NULL;
|
||
|
|
put_device(dev);
|
||
|
|
device_unregister(sfp->class_dev);
|
||
|
|
sfp->class_dev = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t v4l_minor_number_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return scnprintf(buf,PAGE_SIZE,"%d\n",
|
||
|
|
pvr2_hdw_v4l_get_minor_number(sfp->channel.hdw,
|
||
|
|
pvr2_v4l_type_video));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t bus_info_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return scnprintf(buf,PAGE_SIZE,"%s\n",
|
||
|
|
pvr2_hdw_get_bus_info(sfp->channel.hdw));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t hdw_name_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return scnprintf(buf,PAGE_SIZE,"%s\n",
|
||
|
|
pvr2_hdw_get_type(sfp->channel.hdw));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t hdw_desc_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return scnprintf(buf,PAGE_SIZE,"%s\n",
|
||
|
|
pvr2_hdw_get_desc(sfp->channel.hdw));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t v4l_radio_minor_number_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return scnprintf(buf,PAGE_SIZE,"%d\n",
|
||
|
|
pvr2_hdw_v4l_get_minor_number(sfp->channel.hdw,
|
||
|
|
pvr2_v4l_type_radio));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t unit_number_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return scnprintf(buf,PAGE_SIZE,"%d\n",
|
||
|
|
pvr2_hdw_get_unit_number(sfp->channel.hdw));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void class_dev_create(struct pvr2_sysfs *sfp,
|
||
|
|
struct pvr2_sysfs_class *class_ptr)
|
||
|
|
{
|
||
|
|
struct usb_device *usb_dev;
|
||
|
|
struct device *class_dev;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
usb_dev = pvr2_hdw_get_dev(sfp->channel.hdw);
|
||
|
|
if (!usb_dev) return;
|
||
|
|
class_dev = kzalloc(sizeof(*class_dev),GFP_KERNEL);
|
||
|
|
if (!class_dev) return;
|
||
|
|
|
||
|
|
pvr2_sysfs_trace("Creating class_dev id=%p",class_dev);
|
||
|
|
|
||
|
|
class_dev->class = &class_ptr->class;
|
||
|
|
|
||
|
|
dev_set_name(class_dev, "%s",
|
||
|
|
pvr2_hdw_get_device_identifier(sfp->channel.hdw));
|
||
|
|
|
||
|
|
class_dev->parent = get_device(&usb_dev->dev);
|
||
|
|
|
||
|
|
sfp->class_dev = class_dev;
|
||
|
|
dev_set_drvdata(class_dev, sfp);
|
||
|
|
ret = device_register(class_dev);
|
||
|
|
if (ret) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_register failed");
|
||
|
|
put_device(class_dev);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
sysfs_attr_init(&sfp->attr_v4l_minor_number.attr);
|
||
|
|
sfp->attr_v4l_minor_number.attr.name = "v4l_minor_number";
|
||
|
|
sfp->attr_v4l_minor_number.attr.mode = S_IRUGO;
|
||
|
|
sfp->attr_v4l_minor_number.show = v4l_minor_number_show;
|
||
|
|
sfp->attr_v4l_minor_number.store = NULL;
|
||
|
|
ret = device_create_file(sfp->class_dev,
|
||
|
|
&sfp->attr_v4l_minor_number);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
sfp->v4l_minor_number_created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sysfs_attr_init(&sfp->attr_v4l_radio_minor_number.attr);
|
||
|
|
sfp->attr_v4l_radio_minor_number.attr.name = "v4l_radio_minor_number";
|
||
|
|
sfp->attr_v4l_radio_minor_number.attr.mode = S_IRUGO;
|
||
|
|
sfp->attr_v4l_radio_minor_number.show = v4l_radio_minor_number_show;
|
||
|
|
sfp->attr_v4l_radio_minor_number.store = NULL;
|
||
|
|
ret = device_create_file(sfp->class_dev,
|
||
|
|
&sfp->attr_v4l_radio_minor_number);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
sfp->v4l_radio_minor_number_created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sysfs_attr_init(&sfp->attr_unit_number.attr);
|
||
|
|
sfp->attr_unit_number.attr.name = "unit_number";
|
||
|
|
sfp->attr_unit_number.attr.mode = S_IRUGO;
|
||
|
|
sfp->attr_unit_number.show = unit_number_show;
|
||
|
|
sfp->attr_unit_number.store = NULL;
|
||
|
|
ret = device_create_file(sfp->class_dev,&sfp->attr_unit_number);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
sfp->unit_number_created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sysfs_attr_init(&sfp->attr_bus_info.attr);
|
||
|
|
sfp->attr_bus_info.attr.name = "bus_info_str";
|
||
|
|
sfp->attr_bus_info.attr.mode = S_IRUGO;
|
||
|
|
sfp->attr_bus_info.show = bus_info_show;
|
||
|
|
sfp->attr_bus_info.store = NULL;
|
||
|
|
ret = device_create_file(sfp->class_dev,
|
||
|
|
&sfp->attr_bus_info);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
sfp->bus_info_created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sysfs_attr_init(&sfp->attr_hdw_name.attr);
|
||
|
|
sfp->attr_hdw_name.attr.name = "device_hardware_type";
|
||
|
|
sfp->attr_hdw_name.attr.mode = S_IRUGO;
|
||
|
|
sfp->attr_hdw_name.show = hdw_name_show;
|
||
|
|
sfp->attr_hdw_name.store = NULL;
|
||
|
|
ret = device_create_file(sfp->class_dev,
|
||
|
|
&sfp->attr_hdw_name);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
sfp->hdw_name_created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sysfs_attr_init(&sfp->attr_hdw_desc.attr);
|
||
|
|
sfp->attr_hdw_desc.attr.name = "device_hardware_description";
|
||
|
|
sfp->attr_hdw_desc.attr.mode = S_IRUGO;
|
||
|
|
sfp->attr_hdw_desc.show = hdw_desc_show;
|
||
|
|
sfp->attr_hdw_desc.store = NULL;
|
||
|
|
ret = device_create_file(sfp->class_dev,
|
||
|
|
&sfp->attr_hdw_desc);
|
||
|
|
if (ret < 0) {
|
||
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
||
|
|
"device_create_file error: %d",
|
||
|
|
ret);
|
||
|
|
} else {
|
||
|
|
sfp->hdw_desc_created_ok = !0;
|
||
|
|
}
|
||
|
|
|
||
|
|
pvr2_sysfs_add_controls(sfp);
|
||
|
|
#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
|
||
|
|
pvr2_sysfs_add_debugifc(sfp);
|
||
|
|
#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void pvr2_sysfs_internal_check(struct pvr2_channel *chp)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = container_of(chp,struct pvr2_sysfs,channel);
|
||
|
|
if (!sfp->channel.mc_head->disconnect_flag) return;
|
||
|
|
pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_sysfs id=%p",sfp);
|
||
|
|
class_dev_destroy(sfp);
|
||
|
|
pvr2_channel_done(&sfp->channel);
|
||
|
|
kfree(sfp);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
struct pvr2_sysfs *pvr2_sysfs_create(struct pvr2_context *mp,
|
||
|
|
struct pvr2_sysfs_class *class_ptr)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = kzalloc(sizeof(*sfp),GFP_KERNEL);
|
||
|
|
if (!sfp) return sfp;
|
||
|
|
pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_sysfs id=%p",sfp);
|
||
|
|
pvr2_channel_init(&sfp->channel,mp);
|
||
|
|
sfp->channel.check_func = pvr2_sysfs_internal_check;
|
||
|
|
|
||
|
|
class_dev_create(sfp,class_ptr);
|
||
|
|
return sfp;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
struct pvr2_sysfs_class *pvr2_sysfs_class_create(void)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs_class *clp;
|
||
|
|
clp = kzalloc(sizeof(*clp),GFP_KERNEL);
|
||
|
|
if (!clp) return clp;
|
||
|
|
pvr2_sysfs_trace("Creating and registering pvr2_sysfs_class id=%p",
|
||
|
|
clp);
|
||
|
|
clp->class.name = "pvrusb2";
|
||
|
|
clp->class.class_release = pvr2_sysfs_class_release;
|
||
|
|
clp->class.dev_release = pvr2_sysfs_release;
|
||
|
|
if (class_register(&clp->class)) {
|
||
|
|
pvr2_sysfs_trace(
|
||
|
|
"Registration failed for pvr2_sysfs_class id=%p",clp);
|
||
|
|
kfree(clp);
|
||
|
|
clp = NULL;
|
||
|
|
}
|
||
|
|
return clp;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void pvr2_sysfs_class_destroy(struct pvr2_sysfs_class *clp)
|
||
|
|
{
|
||
|
|
pvr2_sysfs_trace("Unregistering pvr2_sysfs_class id=%p", clp);
|
||
|
|
class_unregister(&clp->class);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
|
||
|
|
static ssize_t debuginfo_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
pvr2_hdw_trigger_module_log(sfp->channel.hdw);
|
||
|
|
return pvr2_debugifc_print_info(sfp->channel.hdw,buf,PAGE_SIZE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t debugcmd_show(struct device *class_dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
return pvr2_debugifc_print_status(sfp->channel.hdw,buf,PAGE_SIZE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ssize_t debugcmd_store(struct device *class_dev,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
struct pvr2_sysfs *sfp;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
sfp = dev_get_drvdata(class_dev);
|
||
|
|
if (!sfp) return -EINVAL;
|
||
|
|
|
||
|
|
ret = pvr2_debugifc_docmd(sfp->channel.hdw,buf,count);
|
||
|
|
if (ret < 0) return ret;
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
|