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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-sysfs.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-sysfs.c861
1 files changed, 0 insertions, 861 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
deleted file mode 100644
index 6ef1335b2858..000000000000
--- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
+++ /dev/null
@@ -1,861 +0,0 @@
-/*
- *
- *
- * 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 <linux/slab.h>
-#include "pvrusb2-sysfs.h"
-#include "pvrusb2-hdw.h"
-#include "pvrusb2-debug.h"
-#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
-#include "pvrusb2-debugifc.h"
-#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
-
-#define pvr2_sysfs_trace(...) pvr2_trace(PVR2_TRACE_SYSFS,__VA_ARGS__)
-
-struct pvr2_sysfs {
- struct pvr2_channel channel;
- struct device *class_dev;
-#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
- struct pvr2_sysfs_debugifc *debugifc;
-#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
- struct pvr2_sysfs_ctl_item *item_first;
- struct pvr2_sysfs_ctl_item *item_last;
- struct device_attribute attr_v4l_minor_number;
- struct device_attribute attr_v4l_radio_minor_number;
- struct device_attribute attr_unit_number;
- struct device_attribute attr_bus_info;
- struct device_attribute attr_hdw_name;
- struct device_attribute attr_hdw_desc;
- int v4l_minor_number_created_ok;
- int v4l_radio_minor_number_created_ok;
- int unit_number_created_ok;
- int bus_info_created_ok;
- int hdw_name_created_ok;
- int hdw_desc_created_ok;
-};
-
-#ifdef CONFIG_VIDEO_PVRUSB2_DEBUGIFC
-struct pvr2_sysfs_debugifc {
- struct device_attribute attr_debugcmd;
- struct device_attribute attr_debuginfo;
- int debugcmd_created_ok;
- int debuginfo_created_ok;
-};
-#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
-
-struct pvr2_sysfs_ctl_item {
- struct device_attribute attr_name;
- struct device_attribute attr_type;
- struct device_attribute attr_min;
- struct device_attribute attr_max;
- struct device_attribute attr_def;
- struct device_attribute attr_enum;
- struct device_attribute attr_bits;
- struct device_attribute attr_val;
- struct device_attribute attr_custom;
- struct pvr2_ctrl *cptr;
- int ctl_id;
- struct pvr2_sysfs *chptr;
- struct pvr2_sysfs_ctl_item *item_next;
- struct attribute *attr_gen[8];
- struct attribute_group grp;
- int created_ok;
- char name[80];
-};
-
-struct pvr2_sysfs_class {
- struct class class;
-};
-
-static ssize_t show_name(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- const char *name;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_name);
- name = pvr2_ctrl_get_desc(cip->cptr);
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_name(cid=%d) is %s",
- cip->chptr, cip->ctl_id, name);
- if (!name) return -EINVAL;
- return scnprintf(buf, PAGE_SIZE, "%s\n", name);
-}
-
-static ssize_t show_type(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- const char *name;
- enum pvr2_ctl_type tp;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_type);
- tp = pvr2_ctrl_get_type(cip->cptr);
- switch (tp) {
- case pvr2_ctl_int: name = "integer"; break;
- case pvr2_ctl_enum: name = "enum"; break;
- case pvr2_ctl_bitmask: name = "bitmask"; break;
- case pvr2_ctl_bool: name = "boolean"; break;
- default: name = "?"; break;
- }
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_type(cid=%d) is %s",
- cip->chptr, cip->ctl_id, name);
- if (!name) return -EINVAL;
- return scnprintf(buf, PAGE_SIZE, "%s\n", name);
-}
-
-static ssize_t show_min(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- long val;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_min);
- val = pvr2_ctrl_get_min(cip->cptr);
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_min(cid=%d) is %ld",
- cip->chptr, cip->ctl_id, val);
- return scnprintf(buf, PAGE_SIZE, "%ld\n", val);
-}
-
-static ssize_t show_max(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- long val;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_max);
- val = pvr2_ctrl_get_max(cip->cptr);
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_max(cid=%d) is %ld",
- cip->chptr, cip->ctl_id, val);
- return scnprintf(buf, PAGE_SIZE, "%ld\n", val);
-}
-
-static ssize_t show_def(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- int val;
- int ret;
- unsigned int cnt = 0;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_def);
- ret = pvr2_ctrl_get_def(cip->cptr, &val);
- if (ret < 0) return ret;
- ret = pvr2_ctrl_value_to_sym(cip->cptr, ~0, val,
- buf, PAGE_SIZE - 1, &cnt);
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_def(cid=%d) is %.*s (%d)",
- cip->chptr, cip->ctl_id, cnt, buf, val);
- buf[cnt] = '\n';
- return cnt + 1;
-}
-
-static ssize_t show_val_norm(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- int val;
- int ret;
- unsigned int cnt = 0;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_val);
- ret = pvr2_ctrl_get_value(cip->cptr, &val);
- if (ret < 0) return ret;
- ret = pvr2_ctrl_value_to_sym(cip->cptr, ~0, val,
- buf, PAGE_SIZE - 1, &cnt);
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_val_norm(cid=%d) is %.*s (%d)",
- cip->chptr, cip->ctl_id, cnt, buf, val);
- buf[cnt] = '\n';
- return cnt+1;
-}
-
-static ssize_t show_val_custom(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- int val;
- int ret;
- unsigned int cnt = 0;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_custom);
- ret = pvr2_ctrl_get_value(cip->cptr, &val);
- if (ret < 0) return ret;
- ret = pvr2_ctrl_custom_value_to_sym(cip->cptr, ~0, val,
- buf, PAGE_SIZE - 1, &cnt);
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_val_custom(cid=%d) is %.*s (%d)",
- cip->chptr, cip->ctl_id, cnt, buf, val);
- buf[cnt] = '\n';
- return cnt+1;
-}
-
-static ssize_t show_enum(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- long val;
- unsigned int bcnt, ccnt, ecnt;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_enum);
- ecnt = pvr2_ctrl_get_cnt(cip->cptr);
- bcnt = 0;
- for (val = 0; val < ecnt; val++) {
- pvr2_ctrl_get_valname(cip->cptr, val, buf + bcnt,
- PAGE_SIZE - bcnt, &ccnt);
- if (!ccnt) continue;
- bcnt += ccnt;
- if (bcnt >= PAGE_SIZE) break;
- buf[bcnt] = '\n';
- bcnt++;
- }
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_enum(cid=%d)",
- cip->chptr, cip->ctl_id);
- return bcnt;
-}
-
-static ssize_t show_bits(struct device *class_dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct pvr2_sysfs_ctl_item *cip;
- int valid_bits, msk;
- unsigned int bcnt, ccnt;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_bits);
- valid_bits = pvr2_ctrl_get_mask(cip->cptr);
- bcnt = 0;
- for (msk = 1; valid_bits; msk <<= 1) {
- if (!(msk & valid_bits)) continue;
- valid_bits &= ~msk;
- pvr2_ctrl_get_valname(cip->cptr, msk, buf + bcnt,
- PAGE_SIZE - bcnt, &ccnt);
- bcnt += ccnt;
- if (bcnt >= PAGE_SIZE) break;
- buf[bcnt] = '\n';
- bcnt++;
- }
- pvr2_sysfs_trace("pvr2_sysfs(%p) show_bits(cid=%d)",
- cip->chptr, cip->ctl_id);
- return bcnt;
-}
-
-static int store_val_any(struct pvr2_sysfs_ctl_item *cip, int customfl,
- const char *buf,unsigned int count)
-{
- int ret;
- int mask,val;
- if (customfl) {
- ret = pvr2_ctrl_custom_sym_to_value(cip->cptr, buf, count,
- &mask, &val);
- } else {
- ret = pvr2_ctrl_sym_to_value(cip->cptr, buf, count,
- &mask, &val);
- }
- if (ret < 0) return ret;
- ret = pvr2_ctrl_set_mask_value(cip->cptr, mask, val);
- pvr2_hdw_commit_ctl(cip->chptr->channel.hdw);
- return ret;
-}
-
-static ssize_t store_val_norm(struct device *class_dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct pvr2_sysfs_ctl_item *cip;
- int ret;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_val);
- pvr2_sysfs_trace("pvr2_sysfs(%p) store_val_norm(cid=%d) \"%.*s\"",
- cip->chptr, cip->ctl_id, (int)count, buf);
- ret = store_val_any(cip, 0, buf, count);
- if (!ret) ret = count;
- return ret;
-}
-
-static ssize_t store_val_custom(struct device *class_dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct pvr2_sysfs_ctl_item *cip;
- int ret;
- cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_custom);
- pvr2_sysfs_trace("pvr2_sysfs(%p) store_val_custom(cid=%d) \"%.*s\"",
- cip->chptr, cip->ctl_id, (int)count, buf);
- ret = store_val_any(cip, 1, buf, count);
- if (!ret) ret = count;
- return ret;
-}
-
-static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id)
-{
- struct pvr2_sysfs_ctl_item *cip;
- struct pvr2_ctrl *cptr;
- unsigned int cnt,acnt;
- int ret;
-
- cptr = pvr2_hdw_get_ctrl_by_index(sfp->channel.hdw,ctl_id);
- if (!cptr) return;
-
- cip = kzalloc(sizeof(*cip),GFP_KERNEL);
- if (!cip) return;
- pvr2_sysfs_trace("Creating pvr2_sysfs_ctl_item id=%p",cip);
-
- cip->cptr = cptr;
- cip->ctl_id = ctl_id;
-
- cip->chptr = sfp;
- cip->item_next = NULL;
- if (sfp->item_last) {
- sfp->item_last->item_next = cip;
- } else {
- sfp->item_first = cip;
- }
- sfp->item_last = cip;
-
- sysfs_attr_init(&cip->attr_name.attr);
- cip->attr_name.attr.name = "name";
- cip->attr_name.attr.mode = S_IRUGO;
- cip->attr_name.show = show_name;
-
- sysfs_attr_init(&cip->attr_type.attr);
- cip->attr_type.attr.name = "type";
- cip->attr_type.attr.mode = S_IRUGO;
- cip->attr_type.show = show_type;
-
- sysfs_attr_init(&cip->attr_min.attr);
- cip->attr_min.attr.name = "min_val";
- cip->attr_min.attr.mode = S_IRUGO;
- cip->attr_min.show = show_min;
-
- sysfs_attr_init(&cip->attr_max.attr);
- cip->attr_max.attr.name = "max_val";
- 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 */
-
-
-/*
- Stuff for Emacs to see, in order to encourage consistent editing style:
- *** Local Variables: ***
- *** mode: c ***
- *** fill-column: 75 ***
- *** tab-width: 8 ***
- *** c-basic-offset: 8 ***
- *** End: ***
- */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 14:46:06 +0100