diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pcmcia/sa1100_jornada720.c | 156 |
1 files changed, 85 insertions, 71 deletions
diff --git a/drivers/pcmcia/sa1100_jornada720.c b/drivers/pcmcia/sa1100_jornada720.c index 57ca085473d..7eedb42f800 100644 --- a/drivers/pcmcia/sa1100_jornada720.c +++ b/drivers/pcmcia/sa1100_jornada720.c @@ -16,89 +16,103 @@ #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? +/* Does SOCKET1_3V actually do anything? */ +#define SOCKET0_POWER GPIO_GPIO0 +#define SOCKET0_3V GPIO_GPIO2 +#define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3) #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); + unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3; + + /* + * 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), pin, 0, 0); + sa1111_set_io(SA1111_DEV(skt->dev), pin, 0); + sa1111_set_sleep_io(SA1111_DEV(skt->dev), pin, 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", __func__, - 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", - __func__, 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; + unsigned int pa_dwr_mask, pa_dwr_set; + int ret; + + printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__, + 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", + __func__, state->Vpp); + return -EPERM; + } + + 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, + .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 __devinit pcmcia_jornada720_init(struct device *dev) |