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authorManu Abraham <manu@linuxtv.org>2006-03-17 12:07:22 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-03-24 16:26:50 -0300
commitfaecfb1760325613debd8df9b9374ce4a28c01d9 (patch)
tree844e0446e82f07c5d8007d62f7e3a842987e194b /drivers/media/video/bttv-gpio.c
parent280323ddbc595c463f89c30f3f0f823b076bb4e3 (diff)
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V4L/DVB (3539): Move bttv fragments to bt8xx/
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/bttv-gpio.c')
-rw-r--r--drivers/media/video/bttv-gpio.c208
1 files changed, 0 insertions, 208 deletions
diff --git a/drivers/media/video/bttv-gpio.c b/drivers/media/video/bttv-gpio.c
deleted file mode 100644
index c4d5e2b..0000000
--- a/drivers/media/video/bttv-gpio.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
-
- bttv-gpio.c -- gpio sub drivers
-
- sysfs-based sub driver interface for bttv
- mainly intented for gpio access
-
-
- Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
- & Marcus Metzler (mocm@thp.uni-koeln.de)
- (c) 1999-2003 Gerd Knorr <kraxel@bytesex.org>
-
- 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.
-
-*/
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <asm/io.h>
-
-#include "bttvp.h"
-
-/* ----------------------------------------------------------------------- */
-/* internal: the bttv "bus" */
-
-static int bttv_sub_bus_match(struct device *dev, struct device_driver *drv)
-{
- struct bttv_sub_driver *sub = to_bttv_sub_drv(drv);
- int len = strlen(sub->wanted);
-
- if (0 == strncmp(dev->bus_id, sub->wanted, len))
- return 1;
- return 0;
-}
-
-static int bttv_sub_probe(struct device *dev)
-{
- struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
- struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
-
- return sub->probe ? sub->probe(sdev) : -ENODEV;
-}
-
-static int bttv_sub_remove(struct device *dev)
-{
- struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
- struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
-
- if (sub->remove)
- sub->remove(sdev);
- return 0;
-}
-
-struct bus_type bttv_sub_bus_type = {
- .name = "bttv-sub",
- .match = &bttv_sub_bus_match,
- .probe = bttv_sub_probe,
- .remove = bttv_sub_remove,
-};
-EXPORT_SYMBOL(bttv_sub_bus_type);
-
-static void release_sub_device(struct device *dev)
-{
- struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
- kfree(sub);
-}
-
-int bttv_sub_add_device(struct bttv_core *core, char *name)
-{
- struct bttv_sub_device *sub;
- int err;
-
- sub = kzalloc(sizeof(*sub),GFP_KERNEL);
- if (NULL == sub)
- return -ENOMEM;
-
- sub->core = core;
- sub->dev.parent = &core->pci->dev;
- sub->dev.bus = &bttv_sub_bus_type;
- sub->dev.release = release_sub_device;
- snprintf(sub->dev.bus_id,sizeof(sub->dev.bus_id),"%s%d",
- name, core->nr);
-
- err = device_register(&sub->dev);
- if (0 != err) {
- kfree(sub);
- return err;
- }
- printk("bttv%d: add subdevice \"%s\"\n", core->nr, sub->dev.bus_id);
- list_add_tail(&sub->list,&core->subs);
- return 0;
-}
-
-int bttv_sub_del_devices(struct bttv_core *core)
-{
- struct bttv_sub_device *sub;
- struct list_head *item,*save;
-
- list_for_each_safe(item,save,&core->subs) {
- sub = list_entry(item,struct bttv_sub_device,list);
- list_del(&sub->list);
- device_unregister(&sub->dev);
- }
- return 0;
-}
-
-void bttv_gpio_irq(struct bttv_core *core)
-{
- struct bttv_sub_driver *drv;
- struct bttv_sub_device *dev;
- struct list_head *item;
-
- list_for_each(item,&core->subs) {
- dev = list_entry(item,struct bttv_sub_device,list);
- drv = to_bttv_sub_drv(dev->dev.driver);
- if (drv && drv->gpio_irq)
- drv->gpio_irq(dev);
- }
-}
-
-/* ----------------------------------------------------------------------- */
-/* external: sub-driver register/unregister */
-
-int bttv_sub_register(struct bttv_sub_driver *sub, char *wanted)
-{
- sub->drv.bus = &bttv_sub_bus_type;
- snprintf(sub->wanted,sizeof(sub->wanted),"%s",wanted);
- return driver_register(&sub->drv);
-}
-EXPORT_SYMBOL(bttv_sub_register);
-
-int bttv_sub_unregister(struct bttv_sub_driver *sub)
-{
- driver_unregister(&sub->drv);
- return 0;
-}
-EXPORT_SYMBOL(bttv_sub_unregister);
-
-/* ----------------------------------------------------------------------- */
-/* external: gpio access functions */
-
-void bttv_gpio_inout(struct bttv_core *core, u32 mask, u32 outbits)
-{
- struct bttv *btv = container_of(core, struct bttv, c);
- unsigned long flags;
- u32 data;
-
- spin_lock_irqsave(&btv->gpio_lock,flags);
- data = btread(BT848_GPIO_OUT_EN);
- data = data & ~mask;
- data = data | (mask & outbits);
- btwrite(data,BT848_GPIO_OUT_EN);
- spin_unlock_irqrestore(&btv->gpio_lock,flags);
-}
-EXPORT_SYMBOL(bttv_gpio_inout);
-
-u32 bttv_gpio_read(struct bttv_core *core)
-{
- struct bttv *btv = container_of(core, struct bttv, c);
- u32 value;
-
- value = btread(BT848_GPIO_DATA);
- return value;
-}
-EXPORT_SYMBOL(bttv_gpio_read);
-
-void bttv_gpio_write(struct bttv_core *core, u32 value)
-{
- struct bttv *btv = container_of(core, struct bttv, c);
-
- btwrite(value,BT848_GPIO_DATA);
-}
-EXPORT_SYMBOL(bttv_gpio_write);
-
-void bttv_gpio_bits(struct bttv_core *core, u32 mask, u32 bits)
-{
- struct bttv *btv = container_of(core, struct bttv, c);
- unsigned long flags;
- u32 data;
-
- spin_lock_irqsave(&btv->gpio_lock,flags);
- data = btread(BT848_GPIO_DATA);
- data = data & ~mask;
- data = data | (mask & bits);
- btwrite(data,BT848_GPIO_DATA);
- spin_unlock_irqrestore(&btv->gpio_lock,flags);
-}
-EXPORT_SYMBOL(bttv_gpio_bits);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */