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V4L/DVB (7934): cx18: move gpio_dir/val statics to the cx18 struct. 

The gpio_dir/val statics cannot be global, they are card-specific.

Thanks to Andy Walls for pointing this out.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2008-05-25 14:34:36 -03:00 committed by Mauro Carvalho Chehab
parent 8f99357329
commit ba60bc673c
2 changed files with 18 additions and 15 deletions
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4
drivers/media/video/cx18/cx18-driver.h
View File

@ -424,6 +424,10 @@ struct cx18 {
struct mutex i2c_bus_lock[2];
struct i2c_client *i2c_clients[I2C_CLIENTS_MAX];
/* gpio */
u32 gpio_dir;
u32 gpio_val;
/* v4l2 and User settings */
/* codec settings */

29
drivers/media/video/cx18/cx18-gpio.c
View File

@ -35,9 +35,6 @@
#define CX18_REG_GPIO_OUT2 0xc78104
#define CX18_REG_GPIO_DIR2 0xc7810c
static u32 gpio_dir;
static u32 gpio_val;
/*
* HVR-1600 GPIO pins, courtesy of Hauppauge:
*
@ -49,25 +46,28 @@ static u32 gpio_val;
static void gpio_write(struct cx18 *cx)
{
write_reg((gpio_dir & 0xffff) << 16, CX18_REG_GPIO_DIR1);
write_reg(((gpio_dir & 0xffff) << 16) | (gpio_val & 0xffff),
u32 dir = cx->gpio_dir;
u32 val = cx->gpio_val;
write_reg((dir & 0xffff) << 16, CX18_REG_GPIO_DIR1);
write_reg(((dir & 0xffff) << 16) | (val & 0xffff),
CX18_REG_GPIO_OUT1);
write_reg(gpio_dir & 0xffff0000, CX18_REG_GPIO_DIR2);
write_reg((gpio_dir & 0xffff0000) | ((gpio_val & 0xffff0000) >> 16),
write_reg(dir & 0xffff0000, CX18_REG_GPIO_DIR2);
write_reg((dir & 0xffff0000) | ((val & 0xffff0000) >> 16),
CX18_REG_GPIO_OUT2);
}
void cx18_gpio_init(struct cx18 *cx)
{
gpio_dir = cx->card->gpio_init.direction;
gpio_val = cx->card->gpio_init.initial_value;
cx->gpio_dir = cx->card->gpio_init.direction;
cx->gpio_val = cx->card->gpio_init.initial_value;
if (cx->card->xceive_pin) {
gpio_dir |= 1 << cx->card->xceive_pin;
gpio_val |= 1 << cx->card->xceive_pin;
cx->gpio_dir |= 1 << cx->card->xceive_pin;
cx->gpio_val |= 1 << cx->card->xceive_pin;
}
if (gpio_dir == 0)
if (cx->gpio_dir == 0)
return;
CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n",
@ -88,13 +88,12 @@ int cx18_reset_tuner_gpio(void *dev, int cmd, int value)
return 0;
CX18_DEBUG_INFO("Resetting tuner\n");
gpio_dir |= 1 << cx->card->xceive_pin;
gpio_val &= ~(1 << cx->card->xceive_pin);
cx->gpio_val &= ~(1 << cx->card->xceive_pin);
gpio_write(cx);
schedule_timeout_interruptible(msecs_to_jiffies(1));
gpio_val |= 1 << cx->card->xceive_pin;
cx->gpio_val |= 1 << cx->card->xceive_pin;
gpio_write(cx);
schedule_timeout_interruptible(msecs_to_jiffies(1));
return 0;