diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-13 23:02:15 (GMT) |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-04 14:32:23 (GMT) |
commit | 03e0092c85e34b6f84bb3b852579b78a17496be2 (patch) | |
tree | caf8b1fc6e1f1a21ea2009437c8f4657d90ef6a0 /drivers/pcmcia/sa1100_assabet.c | |
parent | 81f33c65e6c09597e748288010476861ac5bd166 (diff) | |
download | linux-fsl-qoriq-03e0092c85e34b6f84bb3b852579b78a17496be2.tar.xz |
PCMCIA: sa11x0: assabet: convert to use new irq/gpio management
Convert Assabet socket driver to use the new irq/gpio management.
This is slightly more involved because we have to touch the private
platform header file to modify the GPIO bitmasks to be GPIO numbers.
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/pcmcia/sa1100_assabet.c')
-rw-r--r-- | drivers/pcmcia/sa1100_assabet.c | 64 |
1 files changed, 15 insertions, 49 deletions
diff --git a/drivers/pcmcia/sa1100_assabet.c b/drivers/pcmcia/sa1100_assabet.c index f1e8822..618f546 100644 --- a/drivers/pcmcia/sa1100_assabet.c +++ b/drivers/pcmcia/sa1100_assabet.c @@ -10,45 +10,30 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/init.h> +#include <linux/gpio.h> -#include <mach/hardware.h> #include <asm/mach-types.h> -#include <asm/irq.h> -#include <asm/signal.h> #include <mach/assabet.h> #include "sa1100_generic.h" -static struct pcmcia_irqs irqs[] = { - { 1, ASSABET_IRQ_GPIO_CF_CD, "CF CD" }, - { 1, ASSABET_IRQ_GPIO_CF_BVD2, "CF BVD2" }, - { 1, ASSABET_IRQ_GPIO_CF_BVD1, "CF BVD1" }, -}; - static int assabet_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - skt->socket.pci_irq = ASSABET_IRQ_GPIO_CF_IRQ; - - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} + skt->stat[SOC_STAT_CD].gpio = ASSABET_GPIO_CF_CD; + skt->stat[SOC_STAT_CD].name = "CF CD"; + skt->stat[SOC_STAT_BVD1].gpio = ASSABET_GPIO_CF_BVD1; + skt->stat[SOC_STAT_BVD1].name = "CF BVD1"; + skt->stat[SOC_STAT_BVD2].gpio = ASSABET_GPIO_CF_BVD2; + skt->stat[SOC_STAT_BVD2].name = "CF BVD2"; + skt->stat[SOC_STAT_RDY].gpio = ASSABET_GPIO_CF_IRQ; + skt->stat[SOC_STAT_RDY].name = "CF RDY"; -/* - * Release all resources. - */ -static void assabet_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; } static void assabet_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - unsigned long levels = GPLR; - - state->detect = (levels & ASSABET_GPIO_CF_CD) ? 0 : 1; - state->ready = (levels & ASSABET_GPIO_CF_IRQ) ? 1 : 0; - state->bvd1 = (levels & ASSABET_GPIO_CF_BVD1) ? 1 : 0; - state->bvd2 = (levels & ASSABET_GPIO_CF_BVD2) ? 1 : 0; state->wrprot = 0; /* Not available on Assabet. */ state->vs_3v = 1; /* Can only apply 3.3V on Assabet. */ state->vs_Xv = 0; @@ -78,38 +63,24 @@ assabet_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_stat return -1; } - /* Silently ignore Vpp, output enable, speaker enable. */ + /* Silently ignore Vpp, speaker enable. */ if (state->flags & SS_RESET) mask |= ASSABET_BCR_CF_RST; + if (!(state->flags & SS_OUTPUT_ENA)) + mask |= ASSABET_BCR_CF_BUS_OFF; - ASSABET_BCR_frob(ASSABET_BCR_CF_RST | ASSABET_BCR_CF_PWR, mask); + ASSABET_BCR_frob(ASSABET_BCR_CF_RST | ASSABET_BCR_CF_PWR | + ASSABET_BCR_CF_BUS_OFF, mask); return 0; } /* - * Enable card status IRQs on (re-)initialisation. This can - * be called at initialisation, power management event, or - * pcmcia event. - */ -static void assabet_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - /* - * Enable CF bus - */ - ASSABET_BCR_clear(ASSABET_BCR_CF_BUS_OFF); - - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -/* * Disable card status IRQs on suspend. */ static void assabet_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); - /* * Tristate the CF bus signals. Also assert CF * reset as per user guide page 4-11. @@ -119,14 +90,9 @@ static void assabet_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) static struct pcmcia_low_level assabet_pcmcia_ops = { .owner = THIS_MODULE, - .hw_init = assabet_pcmcia_hw_init, - .hw_shutdown = assabet_pcmcia_hw_shutdown, - .socket_state = assabet_pcmcia_socket_state, .configure_socket = assabet_pcmcia_configure_socket, - - .socket_init = assabet_pcmcia_socket_init, .socket_suspend = assabet_pcmcia_socket_suspend, }; |