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authorDmitry Artamonow <mad_soft@inbox.ru>2009-12-06 17:12:49 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-12-06 16:52:36 +0000
commit2a83709199adf4e89254e03981c0f9ff6558691f (patch)
tree46e6d4ec79556ea4ec7167d88bd1248c6b155846 /drivers
parentARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins (diff)
downloadlinux-dev-2a83709199adf4e89254e03981c0f9ff6558691f.tar.xz
linux-dev-2a83709199adf4e89254e03981c0f9ff6558691f.zip
ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pcmcia/sa1100_h3600.c82
1 files changed, 71 insertions, 11 deletions
diff --git a/drivers/pcmcia/sa1100_h3600.c b/drivers/pcmcia/sa1100_h3600.c
index 3a121ac697d6..97e5667fb2e3 100644
--- a/drivers/pcmcia/sa1100_h3600.c
+++ b/drivers/pcmcia/sa1100_h3600.c
@@ -10,26 +10,78 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/h3600.h>
+#include <mach/h3600_gpio.h>
#include "sa1100_generic.h"
static struct pcmcia_irqs irqs[] = {
- { 0, IRQ_GPIO_H3600_PCMCIA_CD0, "PCMCIA CD0" },
- { 1, IRQ_GPIO_H3600_PCMCIA_CD1, "PCMCIA CD1" }
+ { .sock = 0, .str = "PCMCIA CD0" }, /* .irq will be filled later */
+ { .sock = 1, .str = "PCMCIA CD1" }
};
static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
- skt->socket.pci_irq = skt->nr ? IRQ_GPIO_H3600_PCMCIA_IRQ1
- : IRQ_GPIO_H3600_PCMCIA_IRQ0;
+ int err;
+ 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);
+
+ 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;
- return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+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)
@@ -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_ON, 0);
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
h3600_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
{
- unsigned long levels = GPLR;
-
switch (skt->nr) {
case 0:
- state->detect = levels & GPIO_H3600_PCMCIA_CD0 ? 0 : 1;
- state->ready = levels & GPIO_H3600_PCMCIA_IRQ0 ? 1 : 0;
+ state->detect = !gpio_get_value(H3XXX_GPIO_PCMCIA_CD0);
+ state->ready = !!gpio_get_value(H3XXX_GPIO_PCMCIA_IRQ0);
state->bvd1 = 0;
state->bvd2 = 0;
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;
case 1:
- state->detect = levels & GPIO_H3600_PCMCIA_CD1 ? 0 : 1;
- state->ready = levels & GPIO_H3600_PCMCIA_IRQ1 ? 1 : 0;
+ state->detect = !gpio_get_value(H3XXX_GPIO_PCMCIA_CD1);
+ state->ready = !!gpio_get_value(H3XXX_GPIO_PCMCIA_IRQ1);
state->bvd1 = 0;
state->bvd2 = 0;
state->wrprot = 0; /* Not available on H3600. */