diff options
Diffstat (limited to 'drivers/usb/misc/sisusbvga/sisusb.c')
| -rw-r--r-- | drivers/usb/misc/sisusbvga/sisusb.c | 127 |
1 files changed, 44 insertions, 83 deletions
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 196c879..738bd7c 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -37,6 +37,7 @@ */ #include <linux/config.h> +#include <linux/mutex.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/signal.h> @@ -52,6 +53,7 @@ #include <linux/vmalloc.h> #include "sisusb.h" +#include "sisusb_init.h" #ifdef INCL_SISUSB_CON #include <linux/font.h> @@ -62,36 +64,6 @@ /* Forward declarations / clean-up routines */ #ifdef INCL_SISUSB_CON -int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data); -int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data); -int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data); -int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data); -int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand, u8 myor); -int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, u8 index, u8 myor); -int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand); - -int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data); -int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data); -int sisusb_writew(struct sisusb_usb_data *sisusb, u32 adr, u16 data); -int sisusb_readw(struct sisusb_usb_data *sisusb, u32 adr, u16 *data); -int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, - u32 dest, int length, size_t *bytes_written); - -int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init); - -extern int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo); -extern int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo); - -extern void sisusb_init_concode(void); -extern int sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last); -extern void sisusb_console_exit(struct sisusb_usb_data *sisusb); - -extern void sisusb_set_cursor(struct sisusb_usb_data *sisusb, unsigned int location); - -extern int sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, - u8 *arg, int cmapsz, int ch512, int dorecalc, - struct vc_data *c, int fh, int uplock); - static int sisusb_first_vc = 0; static int sisusb_last_vc = 0; module_param_named(first, sisusb_first_vc, int, 0); @@ -102,7 +74,7 @@ MODULE_PARM_DESC(last, "Number of last console to take over (1 - MAX_NR_CONSOLES static struct usb_driver sisusb_driver; -DECLARE_MUTEX(disconnect_sem); +DEFINE_MUTEX(disconnect_mutex); static void sisusb_free_buffers(struct sisusb_usb_data *sisusb) @@ -1359,9 +1331,6 @@ sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data) } #endif -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) { @@ -1371,9 +1340,6 @@ sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) return ret; } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) { @@ -1383,9 +1349,6 @@ sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) return ret; } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand, u8 myor) @@ -1415,18 +1378,12 @@ sisusb_setidxregmask(struct sisusb_usb_data *sisusb, int port, u8 idx, return ret; } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, u8 index, u8 myor) { return(sisusb_setidxregandor(sisusb, port, index, 0xff, myor)); } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand) { @@ -1448,6 +1405,8 @@ sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data) return(sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data)); } +#if 0 + int sisusb_writew(struct sisusb_usb_data *sisusb, u32 adr, u16 data) { @@ -1460,6 +1419,8 @@ sisusb_readw(struct sisusb_usb_data *sisusb, u32 adr, u16 *data) return(sisusb_read_memio_word(sisusb, SISUSB_TYPE_MEM, adr, data)); } +#endif /* 0 */ + int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, u32 dest, int length, size_t *bytes_written) @@ -2552,39 +2513,39 @@ sisusb_open(struct inode *inode, struct file *file) struct usb_interface *interface; int subminor = iminor(inode); - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); if (!(interface = usb_find_interface(&sisusb_driver, subminor))) { printk(KERN_ERR "sisusb[%d]: Failed to find interface\n", subminor); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return -ENODEV; } if (!(sisusb = usb_get_intfdata(interface))) { - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return -ENODEV; } - down(&sisusb->lock); + mutex_lock(&sisusb->lock); if (!sisusb->present || !sisusb->ready) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return -ENODEV; } if (sisusb->isopen) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return -EBUSY; } if (!sisusb->devinit) { if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH) { if (sisusb_init_gfxdevice(sisusb, 0)) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); printk(KERN_ERR "sisusbvga[%d]: Failed to initialize " "device\n", @@ -2592,8 +2553,8 @@ sisusb_open(struct inode *inode, struct file *file) return -EIO; } } else { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); printk(KERN_ERR "sisusbvga[%d]: Device not attached to " "USB 2.0 hub\n", @@ -2609,9 +2570,9 @@ sisusb_open(struct inode *inode, struct file *file) file->private_data = sisusb; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return 0; } @@ -2642,14 +2603,14 @@ sisusb_release(struct inode *inode, struct file *file) struct sisusb_usb_data *sisusb; int myminor; - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) { - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return -ENODEV; } - down(&sisusb->lock); + mutex_lock(&sisusb->lock); if (sisusb->present) { /* Wait for all URBs to finish if device still present */ @@ -2662,12 +2623,12 @@ sisusb_release(struct inode *inode, struct file *file) sisusb->isopen = 0; file->private_data = NULL; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); /* decrement the usage count on our device */ kref_put(&sisusb->kref, sisusb_delete); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return 0; } @@ -2685,11 +2646,11 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } @@ -2784,7 +2745,7 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + 0x5c) { if (count != 4) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -2808,7 +2769,7 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) (*ppos) += bytes_read; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return errno ? errno : bytes_read; } @@ -2827,11 +2788,11 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } @@ -2930,7 +2891,7 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + SISUSB_PCI_PCONFSIZE) { if (count != 4) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -2956,7 +2917,7 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, (*ppos) += bytes_written; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return errno ? errno : bytes_written; } @@ -2970,11 +2931,11 @@ sisusb_lseek(struct file *file, loff_t offset, int orig) if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } @@ -2994,7 +2955,7 @@ sisusb_lseek(struct file *file, loff_t offset, int orig) ret = -EINVAL; } - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return ret; } @@ -3136,7 +3097,7 @@ sisusb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { @@ -3193,7 +3154,7 @@ sisusb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, } err_out: - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return retval; } @@ -3258,7 +3219,7 @@ static int sisusb_probe(struct usb_interface *intf, } kref_init(&sisusb->kref); - init_MUTEX(&(sisusb->lock)); + mutex_init(&(sisusb->lock)); /* Register device */ if ((retval = usb_register_dev(intf, &usb_sisusb_class))) { @@ -3429,9 +3390,9 @@ static void sisusb_disconnect(struct usb_interface *intf) * protect all other routines from the disconnect * case, not the other way round. */ - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Wait for all URBs to complete and kill them in case (MUST do) */ if (!sisusb_wait_all_out_complete(sisusb)) @@ -3462,12 +3423,12 @@ static void sisusb_disconnect(struct usb_interface *intf) sisusb->present = 0; sisusb->ready = 0; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); /* decrement our usage count */ kref_put(&sisusb->kref, sisusb_delete); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); printk(KERN_INFO "sisusbvga[%d]: Disconnected\n", minor); } |
