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authorPaul Mundt <lethal@linux-sh.org>2009-12-10 15:40:31 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-12-10 15:40:31 +0900
commitb5c00a3a412857d6f07970984068c450429e051c (patch)
tree1fde50630cbc24e11a45169f717f281db8eb6dcc /drivers/pcmcia/sa1100_h3600.c
parentca6f2d7fafd2d48b2f6943f5c6787beaec2014d0 (diff)
parent3067e02f8f3ae2f3f02ba76400d03b8bcb4942b0 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh/for-2.6.33
Diffstat (limited to 'drivers/pcmcia/sa1100_h3600.c')
-rw-r--r--drivers/pcmcia/sa1100_h3600.c140
1 files changed, 116 insertions, 24 deletions
diff --git a/drivers/pcmcia/sa1100_h3600.c b/drivers/pcmcia/sa1100_h3600.c
index 0cc3748f3758..56329ad575a9 100644
--- a/drivers/pcmcia/sa1100_h3600.c
+++ b/drivers/pcmcia/sa1100_h3600.c
@@ -10,47 +10,139 @@
#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/h3xxx.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->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 = gpio_request(H3XXX_EGPIO_OPT_NVRAM_ON, "OPT NVRAM ON");
+ if (err)
+ goto err02;
+ err = gpio_direction_output(H3XXX_EGPIO_OPT_NVRAM_ON, 0);
+ if (err)
+ goto err03;
+ err = gpio_request(H3XXX_EGPIO_OPT_ON, "OPT ON");
+ if (err)
+ goto err03;
+ err = gpio_direction_output(H3XXX_EGPIO_OPT_ON, 0);
+ if (err)
+ goto err04;
+ err = gpio_request(H3XXX_EGPIO_OPT_RESET, "OPT RESET");
+ if (err)
+ goto err04;
+ err = gpio_direction_output(H3XXX_EGPIO_OPT_RESET, 0);
+ if (err)
+ goto err05;
+ err = gpio_request(H3XXX_EGPIO_CARD_RESET, "PCMCIA CARD RESET");
+ if (err)
+ goto err05;
+ err = gpio_direction_output(H3XXX_EGPIO_CARD_RESET, 0);
+ if (err)
+ goto err06;
+ err = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+ if (err)
+ goto err06;
+ 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;
- return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+err06: gpio_free(H3XXX_EGPIO_CARD_RESET);
+err05: gpio_free(H3XXX_EGPIO_OPT_RESET);
+err04: gpio_free(H3XXX_EGPIO_OPT_ON);
+err03: gpio_free(H3XXX_EGPIO_OPT_NVRAM_ON);
+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)
{
soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
- /* Disable CF bus: */
- 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:
+ /* Disable CF bus: */
+ gpio_set_value(H3XXX_EGPIO_OPT_NVRAM_ON, 0);
+ gpio_set_value(H3XXX_EGPIO_OPT_ON, 0);
+ gpio_set_value(H3XXX_EGPIO_OPT_RESET, 1);
+
+ gpio_free(H3XXX_EGPIO_CARD_RESET);
+ gpio_free(H3XXX_EGPIO_OPT_RESET);
+ gpio_free(H3XXX_EGPIO_OPT_ON);
+ gpio_free(H3XXX_EGPIO_OPT_NVRAM_ON);
+ 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 +151,8 @@ 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. */
@@ -79,7 +171,7 @@ h3600_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_
return -1;
}
- assign_h3600_egpio(IPAQ_EGPIO_CARD_RESET, !!(state->flags & SS_RESET));
+ gpio_set_value(H3XXX_EGPIO_CARD_RESET, !!(state->flags & SS_RESET));
/* Silently ignore Vpp, output enable, speaker enable. */
@@ -89,9 +181,9 @@ h3600_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_
static void h3600_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
{
/* Enable CF bus: */
- assign_h3600_egpio(IPAQ_EGPIO_OPT_NVRAM_ON, 1);
- assign_h3600_egpio(IPAQ_EGPIO_OPT_ON, 1);
- assign_h3600_egpio(IPAQ_EGPIO_OPT_RESET, 0);
+ gpio_set_value(H3XXX_EGPIO_OPT_NVRAM_ON, 1);
+ gpio_set_value(H3XXX_EGPIO_OPT_ON, 1);
+ gpio_set_value(H3XXX_EGPIO_OPT_RESET, 0);
msleep(10);
@@ -109,10 +201,10 @@ static void h3600_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
* socket 0 then socket 1.
*/
if (skt->nr == 1) {
- assign_h3600_egpio(IPAQ_EGPIO_OPT_ON, 0);
- assign_h3600_egpio(IPAQ_EGPIO_OPT_NVRAM_ON, 0);
+ gpio_set_value(H3XXX_EGPIO_OPT_ON, 0);
+ gpio_set_value(H3XXX_EGPIO_OPT_NVRAM_ON, 0);
/* hmm, does this suck power? */
- assign_h3600_egpio(IPAQ_EGPIO_OPT_RESET, 1);
+ gpio_set_value(H3XXX_EGPIO_OPT_RESET, 1);
}
}
@@ -131,7 +223,7 @@ int __init pcmcia_h3600_init(struct device *dev)
{
int ret = -ENODEV;
- if (machine_is_h3600())
+ if (machine_is_h3600() || machine_is_h3100())
ret = sa11xx_drv_pcmcia_probe(dev, &h3600_pcmcia_ops, 0, 2);
return ret;