diff options
Diffstat (limited to 'drivers/pcmcia/pcmcia_ioctl.c')
| -rw-r--r-- | drivers/pcmcia/pcmcia_ioctl.c | 154 |
1 files changed, 150 insertions, 4 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 5f186abca108..afd00e7bbbef 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -29,10 +29,10 @@ #include <linux/pci.h> #include <linux/workqueue.h> -#define IN_CARD_SERVICES #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> #include <pcmcia/ds.h> #include <pcmcia/ss.h> @@ -138,6 +138,154 @@ static int proc_read_drivers(char *buf, char **start, off_t pos, } #endif + +#ifdef CONFIG_PCMCIA_PROBE + +static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) +{ + int irq; + u32 mask; + + irq = adj->resource.irq.IRQ; + if ((irq < 0) || (irq > 15)) + return CS_BAD_IRQ; + + if (adj->Action != REMOVE_MANAGED_RESOURCE) + return 0; + + mask = 1 << irq; + + if (!(s->irq_mask & mask)) + return 0; + + s->irq_mask &= ~mask; + + return 0; +} + +#else + +static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) { + return CS_SUCCESS; +} + +#endif + +static int pcmcia_adjust_resource_info(adjust_t *adj) +{ + struct pcmcia_socket *s; + int ret = CS_UNSUPPORTED_FUNCTION; + unsigned long flags; + + down_read(&pcmcia_socket_list_rwsem); + list_for_each_entry(s, &pcmcia_socket_list, socket_list) { + + if (adj->Resource == RES_IRQ) + ret = adjust_irq(s, adj); + + else if (s->resource_ops->add_io) { + unsigned long begin, end; + + /* you can't use the old interface if the new + * one was used before */ + spin_lock_irqsave(&s->lock, flags); + if ((s->resource_setup_new) && + !(s->resource_setup_old)) { + spin_unlock_irqrestore(&s->lock, flags); + continue; + } else if (!(s->resource_setup_old)) + s->resource_setup_old = 1; + spin_unlock_irqrestore(&s->lock, flags); + + switch (adj->Resource) { + case RES_MEMORY_RANGE: + begin = adj->resource.memory.Base; + end = adj->resource.memory.Base + adj->resource.memory.Size - 1; + if (s->resource_ops->add_mem) + ret =s->resource_ops->add_mem(s, adj->Action, begin, end); + case RES_IO_RANGE: + begin = adj->resource.io.BasePort; + end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1; + if (s->resource_ops->add_io) + ret = s->resource_ops->add_io(s, adj->Action, begin, end); + } + if (!ret) { + /* as there's no way we know this is the + * last call to adjust_resource_info, we + * always need to assume this is the latest + * one... */ + spin_lock_irqsave(&s->lock, flags); + s->resource_setup_done = 1; + spin_unlock_irqrestore(&s->lock, flags); + } + } + } + up_read(&pcmcia_socket_list_rwsem); + + return (ret); +} + +/** pccard_get_status + * + * Get the current socket state bits. We don't support the latched + * SocketState yet: I haven't seen any point for it. + */ + +static int pccard_get_status(struct pcmcia_socket *s, + struct pcmcia_device *p_dev, + cs_status_t *status) +{ + config_t *c; + int val; + + s->ops->get_status(s, &val); + status->CardState = status->SocketState = 0; + status->CardState |= (val & SS_DETECT) ? CS_EVENT_CARD_DETECT : 0; + status->CardState |= (val & SS_CARDBUS) ? CS_EVENT_CB_DETECT : 0; + status->CardState |= (val & SS_3VCARD) ? CS_EVENT_3VCARD : 0; + status->CardState |= (val & SS_XVCARD) ? CS_EVENT_XVCARD : 0; + if (s->state & SOCKET_SUSPEND) + status->CardState |= CS_EVENT_PM_SUSPEND; + if (!(s->state & SOCKET_PRESENT)) + return CS_NO_CARD; + + c = (p_dev) ? p_dev->function_config : NULL; + + if ((c != NULL) && (c->state & CONFIG_LOCKED) && + (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { + u_char reg; + if (c->CardValues & PRESENT_PIN_REPLACE) { + pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®); + status->CardState |= + (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0; + status->CardState |= + (reg & PRR_READY_STATUS) ? CS_EVENT_READY_CHANGE : 0; + status->CardState |= + (reg & PRR_BVD2_STATUS) ? CS_EVENT_BATTERY_LOW : 0; + status->CardState |= + (reg & PRR_BVD1_STATUS) ? CS_EVENT_BATTERY_DEAD : 0; + } else { + /* No PRR? Then assume we're always ready */ + status->CardState |= CS_EVENT_READY_CHANGE; + } + if (c->CardValues & PRESENT_EXT_STATUS) { + pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®); + status->CardState |= + (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0; + } + return CS_SUCCESS; + } + status->CardState |= + (val & SS_WRPROT) ? CS_EVENT_WRITE_PROTECT : 0; + status->CardState |= + (val & SS_BATDEAD) ? CS_EVENT_BATTERY_DEAD : 0; + status->CardState |= + (val & SS_BATWARN) ? CS_EVENT_BATTERY_LOW : 0; + status->CardState |= + (val & SS_READY) ? CS_EVENT_READY_CHANGE : 0; + return CS_SUCCESS; +} /* pccard_get_status */ + /*====================================================================== These manage a ring buffer of events pending for one user process @@ -546,8 +694,6 @@ static u_int ds_poll(struct file *file, poll_table *wait) /*====================================================================*/ -extern int pcmcia_adjust_resource_info(adjust_t *adj); - static int ds_ioctl(struct inode * inode, struct file * file, u_int cmd, u_long arg) { @@ -649,7 +795,7 @@ static int ds_ioctl(struct inode * inode, struct file * file, mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); mutex_unlock(&s->skt_mutex); - ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo); + ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo.Chains); break; case DS_SUSPEND_CARD: ret = pcmcia_suspend_card(s); |