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author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-10-09 10:51:22 +0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 13:39:04 +0200 |
commit | 45d011031d745d2c9a21c21d289428cb7f88a2d0 (patch) | |
tree | f9d8cf3b8dd12541396b3a2b867d7ad8c8207490 /drivers/media/video/videocodec.c | |
parent | V4L/DVB (9135): cx88 Dvico FusionHDTV Pro (diff) | |
download | linux-45d011031d745d2c9a21c21d289428cb7f88a2d0.tar.xz linux-45d011031d745d2c9a21c21d289428cb7f88a2d0.zip |
V4L/DVB (9129): zoran: move zoran sources into a zoran subdirectory
Prevent the zoran driver sources from cluttering the video directory.
This changeset only moves the drivers and it does not fix any of the
checkpatch warnings/errors to keep the changeset clean.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/videocodec.c')
-rw-r--r-- | drivers/media/video/videocodec.c | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/drivers/media/video/videocodec.c b/drivers/media/video/videocodec.c deleted file mode 100644 index cf24956f3204..000000000000 --- a/drivers/media/video/videocodec.c +++ /dev/null @@ -1,408 +0,0 @@ -/* - * VIDEO MOTION CODECs internal API for video devices - * - * Interface for MJPEG (and maybe later MPEG/WAVELETS) codec's - * bound to a master device. - * - * (c) 2002 Wolfgang Scherr <scherr@net4you.at> - * - * $Id: videocodec.c,v 1.1.2.8 2003/03/29 07:16:04 rbultje Exp $ - * - * ------------------------------------------------------------------------ - * - * 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 VIDEOCODEC_VERSION "v0.2" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/slab.h> - -// kernel config is here (procfs flag) - -#ifdef CONFIG_PROC_FS -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <asm/uaccess.h> -#endif - -#include "videocodec.h" - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Debug level (0-4)"); - -#define dprintk(num, format, args...) \ - do { \ - if (debug >= num) \ - printk(format, ##args); \ - } while (0) - -struct attached_list { - struct videocodec *codec; - struct attached_list *next; -}; - -struct codec_list { - const struct videocodec *codec; - int attached; - struct attached_list *list; - struct codec_list *next; -}; - -static struct codec_list *codeclist_top = NULL; - -/* ================================================= */ -/* function prototypes of the master/slave interface */ -/* ================================================= */ - -struct videocodec * -videocodec_attach (struct videocodec_master *master) -{ - struct codec_list *h = codeclist_top; - struct attached_list *a, *ptr; - struct videocodec *codec; - int res; - - if (!master) { - dprintk(1, KERN_ERR "videocodec_attach: no data\n"); - return NULL; - } - - dprintk(2, - "videocodec_attach: '%s', flags %lx, magic %lx\n", - master->name, master->flags, master->magic); - - if (!h) { - dprintk(1, - KERN_ERR - "videocodec_attach: no device available\n"); - return NULL; - } - - while (h) { - // attach only if the slave has at least the flags - // expected by the master - if ((master->flags & h->codec->flags) == master->flags) { - dprintk(4, "videocodec_attach: try '%s'\n", - h->codec->name); - - if (!try_module_get(h->codec->owner)) - return NULL; - - codec = - kmalloc(sizeof(struct videocodec), GFP_KERNEL); - if (!codec) { - dprintk(1, - KERN_ERR - "videocodec_attach: no mem\n"); - goto out_module_put; - } - memcpy(codec, h->codec, sizeof(struct videocodec)); - - snprintf(codec->name, sizeof(codec->name), - "%s[%d]", codec->name, h->attached); - codec->master_data = master; - res = codec->setup(codec); - if (res == 0) { - dprintk(3, "videocodec_attach '%s'\n", - codec->name); - ptr = kzalloc(sizeof(struct attached_list), GFP_KERNEL); - if (!ptr) { - dprintk(1, - KERN_ERR - "videocodec_attach: no memory\n"); - goto out_kfree; - } - ptr->codec = codec; - - a = h->list; - if (!a) { - h->list = ptr; - dprintk(4, - "videocodec: first element\n"); - } else { - while (a->next) - a = a->next; // find end - a->next = ptr; - dprintk(4, - "videocodec: in after '%s'\n", - h->codec->name); - } - - h->attached += 1; - return codec; - } else { - kfree(codec); - } - } - h = h->next; - } - - dprintk(1, KERN_ERR "videocodec_attach: no codec found!\n"); - return NULL; - - out_module_put: - module_put(h->codec->owner); - out_kfree: - kfree(codec); - return NULL; -} - -int -videocodec_detach (struct videocodec *codec) -{ - struct codec_list *h = codeclist_top; - struct attached_list *a, *prev; - int res; - - if (!codec) { - dprintk(1, KERN_ERR "videocodec_detach: no data\n"); - return -EINVAL; - } - - dprintk(2, - "videocodec_detach: '%s', type: %x, flags %lx, magic %lx\n", - codec->name, codec->type, codec->flags, codec->magic); - - if (!h) { - dprintk(1, - KERN_ERR "videocodec_detach: no device left...\n"); - return -ENXIO; - } - - while (h) { - a = h->list; - prev = NULL; - while (a) { - if (codec == a->codec) { - res = a->codec->unset(a->codec); - if (res >= 0) { - dprintk(3, - "videocodec_detach: '%s'\n", - a->codec->name); - a->codec->master_data = NULL; - } else { - dprintk(1, - KERN_ERR - "videocodec_detach: '%s'\n", - a->codec->name); - a->codec->master_data = NULL; - } - if (prev == NULL) { - h->list = a->next; - dprintk(4, - "videocodec: delete first\n"); - } else { - prev->next = a->next; - dprintk(4, - "videocodec: delete middle\n"); - } - module_put(a->codec->owner); - kfree(a->codec); - kfree(a); - h->attached -= 1; - return 0; - } - prev = a; - a = a->next; - } - h = h->next; - } - - dprintk(1, KERN_ERR "videocodec_detach: given codec not found!\n"); - return -EINVAL; -} - -int -videocodec_register (const struct videocodec *codec) -{ - struct codec_list *ptr, *h = codeclist_top; - - if (!codec) { - dprintk(1, KERN_ERR "videocodec_register: no data!\n"); - return -EINVAL; - } - - dprintk(2, - "videocodec: register '%s', type: %x, flags %lx, magic %lx\n", - codec->name, codec->type, codec->flags, codec->magic); - - ptr = kzalloc(sizeof(struct codec_list), GFP_KERNEL); - if (!ptr) { - dprintk(1, KERN_ERR "videocodec_register: no memory\n"); - return -ENOMEM; - } - ptr->codec = codec; - - if (!h) { - codeclist_top = ptr; - dprintk(4, "videocodec: hooked in as first element\n"); - } else { - while (h->next) - h = h->next; // find the end - h->next = ptr; - dprintk(4, "videocodec: hooked in after '%s'\n", - h->codec->name); - } - - return 0; -} - -int -videocodec_unregister (const struct videocodec *codec) -{ - struct codec_list *prev = NULL, *h = codeclist_top; - - if (!codec) { - dprintk(1, KERN_ERR "videocodec_unregister: no data!\n"); - return -EINVAL; - } - - dprintk(2, - "videocodec: unregister '%s', type: %x, flags %lx, magic %lx\n", - codec->name, codec->type, codec->flags, codec->magic); - - if (!h) { - dprintk(1, - KERN_ERR - "videocodec_unregister: no device left...\n"); - return -ENXIO; - } - - while (h) { - if (codec == h->codec) { - if (h->attached) { - dprintk(1, - KERN_ERR - "videocodec: '%s' is used\n", - h->codec->name); - return -EBUSY; - } - dprintk(3, "videocodec: unregister '%s' is ok.\n", - h->codec->name); - if (prev == NULL) { - codeclist_top = h->next; - dprintk(4, - "videocodec: delete first element\n"); - } else { - prev->next = h->next; - dprintk(4, - "videocodec: delete middle element\n"); - } - kfree(h); - return 0; - } - prev = h; - h = h->next; - } - - dprintk(1, - KERN_ERR - "videocodec_unregister: given codec not found!\n"); - return -EINVAL; -} - -#ifdef CONFIG_PROC_FS -static int proc_videocodecs_show(struct seq_file *m, void *v) -{ - struct codec_list *h = codeclist_top; - struct attached_list *a; - - seq_printf(m, "<S>lave or attached <M>aster name type flags magic "); - seq_printf(m, "(connected as)\n"); - - h = codeclist_top; - while (h) { - seq_printf(m, "S %32s %04x %08lx %08lx (TEMPLATE)\n", - h->codec->name, h->codec->type, - h->codec->flags, h->codec->magic); - a = h->list; - while (a) { - seq_printf(m, "M %32s %04x %08lx %08lx (%s)\n", - a->codec->master_data->name, - a->codec->master_data->type, - a->codec->master_data->flags, - a->codec->master_data->magic, - a->codec->name); - a = a->next; - } - h = h->next; - } - - return 0; -} - -static int proc_videocodecs_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_videocodecs_show, NULL); -} - -static const struct file_operations videocodecs_proc_fops = { - .owner = THIS_MODULE, - .open = proc_videocodecs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif - -/* ===================== */ -/* hook in driver module */ -/* ===================== */ -static int __init -videocodec_init (void) -{ -#ifdef CONFIG_PROC_FS - static struct proc_dir_entry *videocodec_proc_entry; -#endif - - printk(KERN_INFO "Linux video codec intermediate layer: %s\n", - VIDEOCODEC_VERSION); - -#ifdef CONFIG_PROC_FS - videocodec_proc_entry = proc_create("videocodecs", 0, NULL, &videocodecs_proc_fops); - if (!videocodec_proc_entry) { - dprintk(1, KERN_ERR "videocodec: can't init procfs.\n"); - } -#endif - return 0; -} - -static void __exit -videocodec_exit (void) -{ -#ifdef CONFIG_PROC_FS - remove_proc_entry("videocodecs", NULL); -#endif -} - -EXPORT_SYMBOL(videocodec_attach); -EXPORT_SYMBOL(videocodec_detach); -EXPORT_SYMBOL(videocodec_register); -EXPORT_SYMBOL(videocodec_unregister); - -module_init(videocodec_init); -module_exit(videocodec_exit); - -MODULE_AUTHOR("Wolfgang Scherr <scherr@net4you.at>"); -MODULE_DESCRIPTION("Intermediate API module for video codecs " - VIDEOCODEC_VERSION); -MODULE_LICENSE("GPL"); |