/* * drivers/pcmcia/sa1100_jornada720.c * * Jornada720 PCMCIA specific routines * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/init.h> #include <asm/hardware.h> #include <asm/hardware/sa1111.h> #include <asm/mach-types.h> #include "sa1111_generic.h" #define SOCKET0_POWER GPIO_GPIO0 #define SOCKET0_3V GPIO_GPIO2 #define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3) #warning *** Does SOCKET1_3V actually do anything? #define SOCKET1_3V GPIO_GPIO3 static int jornada720_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { /* * What is all this crap for? */ GRER |= 0x00000002; /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */ sa1111_set_io_dir(SA1111_DEV(skt->dev), GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0); sa1111_set_io(SA1111_DEV(skt->dev), GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); sa1111_set_sleep_io(SA1111_DEV(skt->dev), GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); return sa1111_pcmcia_hw_init(skt); } static int jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) { unsigned int pa_dwr_mask, pa_dwr_set; int ret; printk("%s(): config socket %d vcc %d vpp %d\n", __FUNCTION__, skt->nr, state->Vcc, state->Vpp); switch (skt->nr) { case 0: pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V; switch (state->Vcc) { default: case 0: pa_dwr_set = 0; break; case 33: pa_dwr_set = SOCKET0_POWER | SOCKET0_3V; break; case 50: pa_dwr_set = SOCKET0_POWER; break; } break; case 1: pa_dwr_mask = SOCKET1_POWER; switch (state->Vcc) { default: case 0: pa_dwr_set = 0; break; case 33: pa_dwr_set = SOCKET1_POWER; break; case 50: pa_dwr_set = SOCKET1_POWER; break; } break; default: return -1; } if (state->Vpp != state->Vcc && state->Vpp != 0) { printk(KERN_ERR "%s(): slot cannot support VPP %u\n", __FUNCTION__, state->Vpp); return -1; } ret = sa1111_pcmcia_configure_socket(skt, state); if (ret == 0) { unsigned long flags; local_irq_save(flags); sa1111_set_io(SA1111_DEV(skt->dev), pa_dwr_mask, pa_dwr_set); local_irq_restore(flags); } return ret; } static struct pcmcia_low_level jornada720_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = jornada720_pcmcia_hw_init, .hw_shutdown = sa1111_pcmcia_hw_shutdown, .socket_state = sa1111_pcmcia_socket_state, .configure_socket = jornada720_pcmcia_configure_socket, .socket_init = sa1111_pcmcia_socket_init, .socket_suspend = sa1111_pcmcia_socket_suspend, }; int __init pcmcia_jornada720_init(struct device *dev) { int ret = -ENODEV; if (machine_is_jornada720()) ret = sa11xx_drv_pcmcia_probe(dev, &jornada720_pcmcia_ops, 0, 2); return ret; }