-static unsigned long dio_addr;
-static unsigned long cio_addr;
-static unsigned long c2io_addr;
-static unsigned long splashval;
-static unsigned int nosplash;
-static unsigned int hecubafb_enable;
-static unsigned int irq;
-
-static DECLARE_WAIT_QUEUE_HEAD(hecubafb_waitq);
-
-static void hcb_set_ctl(struct hecubafb_par *par)
-{
- outb(par->ctl, par->cio_addr);
-}
-
-static unsigned char hcb_get_ctl(struct hecubafb_par *par)
-{
- return inb(par->c2io_addr);
-}
-
-static void hcb_set_data(struct hecubafb_par *par, unsigned char value)
-{
- outb(value, par->dio_addr);
-}
-
-static int __devinit apollo_init_control(struct hecubafb_par *par)
-{
- unsigned char ctl;
- /* for init, we want the following setup to be set:
- WUP = lo
- ACK = hi
- DS = hi
- RW = hi
- CD = lo
- */
-
- /* write WUP to lo, DS to hi, RW to hi, CD to lo */
- par->ctl = HCB_NWUP_BIT | HCB_RW_BIT | HCB_NCD_BIT ;
- par->ctl &= ~HCB_NDS_BIT;
- hcb_set_ctl(par);
-
- /* check ACK is not lo */
- ctl = hcb_get_ctl(par);
- if ((ctl & HCB_ACK_BIT)) {
- printk(KERN_ERR "Fail because ACK is already low\n");
- return -ENXIO;
- }
-
- return 0;
-}
-
-static void hcb_wait_for_ack(struct hecubafb_par *par)
-{
-
- int timeout;
- unsigned char ctl;
-
- timeout=500;
- do {
- ctl = hcb_get_ctl(par);
- if ((ctl & HCB_ACK_BIT))
- return;
- udelay(1);
- } while (timeout--);
- printk(KERN_ERR "timed out waiting for ack\n");
-}
-
-static void hcb_wait_for_ack_clear(struct hecubafb_par *par)
-{
-
- int timeout;
- unsigned char ctl;
-
- timeout=500;
- do {
- ctl = hcb_get_ctl(par);
- if (!(ctl & HCB_ACK_BIT))
- return;
- udelay(1);
- } while (timeout--);
- printk(KERN_ERR "timed out waiting for clear\n");
-}