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ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib

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Convert all operations with GPLR/GPCR/GPSR to gpiolibs calls.
Also change all IRQ_GPIO* to gpio_to_irq(*GPIO*)

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Dmitry Artamonow 2009-12-06 17:12:49 +01:00 • committed by Russell King
parent d0e6041efd
commit 2a83709199
1 changed files with 71 additions and 11 deletions
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82
drivers/pcmcia/sa1100_h3600.c
View file

@ -10,26 +10,78 @@
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/gpio.h>
#include <mach/hardware.h> #include <mach/hardware.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <mach/h3600.h> #include <mach/h3600.h>
#include <mach/h3600_gpio.h>
#include "sa1100_generic.h" #include "sa1100_generic.h"
static struct pcmcia_irqs irqs[] = { static struct pcmcia_irqs irqs[] = {
{ 0, IRQ_GPIO_H3600_PCMCIA_CD0, "PCMCIA CD0" }, { .sock = 0, .str = "PCMCIA CD0" }, /* .irq will be filled later */
{ 1, IRQ_GPIO_H3600_PCMCIA_CD1, "PCMCIA CD1" } { .sock = 1, .str = "PCMCIA CD1" }
}; };
static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt) static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{ {
skt->socket.pci_irq = skt->nr ? IRQ_GPIO_H3600_PCMCIA_IRQ1 int err;
: IRQ_GPIO_H3600_PCMCIA_IRQ0;
switch (skt->nr) {
case 0:
err = gpio_request(H3XXX_GPIO_PCMCIA_IRQ0, "PCMCIA IRQ0");
if (err)
goto err00;
err = gpio_direction_input(H3XXX_GPIO_PCMCIA_IRQ0);
if (err)
goto err01;
skt->socket.pci_irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_IRQ0);
return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); err = gpio_request(H3XXX_GPIO_PCMCIA_CD0, "PCMCIA CD0");
if (err)
goto err01;
err = gpio_direction_input(H3XXX_GPIO_PCMCIA_CD0);
if (err)
goto err02;
irqs[0].irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_CD0);
err = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
if (err)
goto err02;
break;
case 1:
err = gpio_request(H3XXX_GPIO_PCMCIA_IRQ1, "PCMCIA IRQ1");
if (err)
goto err10;
err = gpio_direction_input(H3XXX_GPIO_PCMCIA_IRQ1);
if (err)
goto err11;
skt->socket.pci_irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_IRQ1);
err = gpio_request(H3XXX_GPIO_PCMCIA_CD1, "PCMCIA CD1");
if (err)
goto err11;
err = gpio_direction_input(H3XXX_GPIO_PCMCIA_CD1);
if (err)
goto err12;
irqs[1].irq = gpio_to_irq(H3XXX_GPIO_PCMCIA_CD1);
err = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
if (err)
goto err12;
break;
}
return 0;
err02: gpio_free(H3XXX_GPIO_PCMCIA_CD0);
err01: gpio_free(H3XXX_GPIO_PCMCIA_IRQ0);
err00: return err;
err12: gpio_free(H3XXX_GPIO_PCMCIA_CD0);
err11: gpio_free(H3XXX_GPIO_PCMCIA_IRQ0);
err10: return err;
} }
static void h3600_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) static void h3600_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
@ -40,17 +92,25 @@ static void h3600_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
assign_h3600_egpio(IPAQ_EGPIO_OPT_NVRAM_ON, 0); assign_h3600_egpio(IPAQ_EGPIO_OPT_NVRAM_ON, 0);
assign_h3600_egpio(IPAQ_EGPIO_OPT_ON, 0); assign_h3600_egpio(IPAQ_EGPIO_OPT_ON, 0);
assign_h3600_egpio(IPAQ_EGPIO_OPT_RESET, 1); assign_h3600_egpio(IPAQ_EGPIO_OPT_RESET, 1);
switch (skt->nr) {
case 0:
gpio_free(H3XXX_GPIO_PCMCIA_CD0);
gpio_free(H3XXX_GPIO_PCMCIA_IRQ0);
break;
case 1:
gpio_free(H3XXX_GPIO_PCMCIA_CD1);
gpio_free(H3XXX_GPIO_PCMCIA_IRQ1);
break;
}
} }
static void static void
h3600_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) h3600_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
{ {
unsigned long levels = GPLR;
switch (skt->nr) { switch (skt->nr) {
case 0: case 0:
state->detect = levels & GPIO_H3600_PCMCIA_CD0 ? 0 : 1; state->detect = !gpio_get_value(H3XXX_GPIO_PCMCIA_CD0);
state->ready = levels & GPIO_H3600_PCMCIA_IRQ0 ? 1 : 0; state->ready = !!gpio_get_value(H3XXX_GPIO_PCMCIA_IRQ0);
state->bvd1 = 0; state->bvd1 = 0;
state->bvd2 = 0; state->bvd2 = 0;
state->wrprot = 0; /* Not available on H3600. */ state->wrprot = 0; /* Not available on H3600. */
@ -59,8 +119,8 @@ h3600_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *st
break; break;
case 1: case 1:
state->detect = levels & GPIO_H3600_PCMCIA_CD1 ? 0 : 1; state->detect = !gpio_get_value(H3XXX_GPIO_PCMCIA_CD1);
state->ready = levels & GPIO_H3600_PCMCIA_IRQ1 ? 1 : 0; state->ready = !!gpio_get_value(H3XXX_GPIO_PCMCIA_IRQ1);
state->bvd1 = 0; state->bvd1 = 0;
state->bvd2 = 0; state->bvd2 = 0;
state->wrprot = 0; /* Not available on H3600. */ state->wrprot = 0; /* Not available on H3600. */