b2ef749720
This patch fixes the use of GPIO routines which are in the PCI configuration space of the RDC321x, therefore reading/writing to this space without spinlock protection can be problematic. We also now request and free GPIOs and support the MGB100 board, previous code was very AR525W-centric. Signed-off-by: Volker Weiss <volker@tintuc.de> Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ingo Molnar <mingo@elte.hu>
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#ifndef _RDC321X_GPIO_H
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#define _RDC321X_GPIO_H
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extern int rdc_gpio_get_value(unsigned gpio);
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extern void rdc_gpio_set_value(unsigned gpio, int value);
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extern int rdc_gpio_direction_input(unsigned gpio);
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extern int rdc_gpio_direction_output(unsigned gpio, int value);
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extern int rdc_gpio_request(unsigned gpio, const char *label);
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extern void rdc_gpio_free(unsigned gpio);
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extern void __init rdc321x_gpio_setup(void);
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/* Wrappers for the arch-neutral GPIO API */
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static inline int gpio_request(unsigned gpio, const char *label)
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{
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return rdc_gpio_request(gpio, label);
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}
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static inline void gpio_free(unsigned gpio)
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{
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rdc_gpio_free(gpio);
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}
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static inline int gpio_direction_input(unsigned gpio)
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{
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return rdc_gpio_direction_input(gpio);
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}
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static inline int gpio_direction_output(unsigned gpio, int value)
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{
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return rdc_gpio_direction_output(gpio, value);
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}
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static inline int gpio_get_value(unsigned gpio)
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{
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return rdc_gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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rdc_gpio_set_value(gpio, value);
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}
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static inline int gpio_to_irq(unsigned gpio)
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{
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return gpio;
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}
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static inline int irq_to_gpio(unsigned irq)
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{
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return irq;
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}
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/* For cansleep */
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#include <asm-generic/gpio.h>
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#endif /* _RDC321X_GPIO_H_ */
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