*
* based on parport_pc.c by
* Grant Guenther <grant@torque.net>
- * Phil Blundell <Philip.Blundell@pobox.com>
+ * Phil Blundell <philb@gnu.org>
* Tim Waugh <tim@cyberelk.demon.co.uk>
* Jose Renau <renau@acm.org>
* David Campbell <campbell@torque.net>
#include <asm/pdc.h>
#include <asm/parisc-device.h>
#include <asm/hardware.h>
-#include <asm/parport_gsc.h>
+#include "parport_gsc.h"
MODULE_AUTHOR("Helge Deller <deller@gmx.de>");
return IRQ_HANDLED;
}
-void parport_gsc_write_data(struct parport *p, unsigned char d)
-{
- parport_writeb (d, DATA (p));
-}
-
-unsigned char parport_gsc_read_data(struct parport *p)
-{
- unsigned char c = parport_readb (DATA (p));
- return c;
-}
-
-void parport_gsc_write_control(struct parport *p, unsigned char d)
-{
- const unsigned char wm = (PARPORT_CONTROL_STROBE |
- PARPORT_CONTROL_AUTOFD |
- PARPORT_CONTROL_INIT |
- PARPORT_CONTROL_SELECT);
-
- /* Take this out when drivers have adapted to the newer interface. */
- if (d & 0x20) {
- pr_debug("%s (%s): use data_reverse for this!\n",
- p->name, p->cad->name);
- parport_gsc_data_reverse (p);
- }
-
- __parport_gsc_frob_control (p, wm, d & wm);
-}
-
-unsigned char parport_gsc_read_control(struct parport *p)
-{
- const unsigned char wm = (PARPORT_CONTROL_STROBE |
- PARPORT_CONTROL_AUTOFD |
- PARPORT_CONTROL_INIT |
- PARPORT_CONTROL_SELECT);
- const struct parport_gsc_private *priv = p->physport->private_data;
- return priv->ctr & wm; /* Use soft copy */
-}
-
-unsigned char parport_gsc_frob_control (struct parport *p, unsigned char mask,
- unsigned char val)
-{
- const unsigned char wm = (PARPORT_CONTROL_STROBE |
- PARPORT_CONTROL_AUTOFD |
- PARPORT_CONTROL_INIT |
- PARPORT_CONTROL_SELECT);
-
- /* Take this out when drivers have adapted to the newer interface. */
- if (mask & 0x20) {
- pr_debug("%s (%s): use data_%s for this!\n",
- p->name, p->cad->name,
- (val & 0x20) ? "reverse" : "forward");
- if (val & 0x20)
- parport_gsc_data_reverse (p);
- else
- parport_gsc_data_forward (p);
- }
-
- /* Restrict mask and val to control lines. */
- mask &= wm;
- val &= wm;
-
- return __parport_gsc_frob_control (p, mask, val);
-}
-
-unsigned char parport_gsc_read_status(struct parport *p)
-{
- return parport_readb (STATUS (p));
-}
-
-void parport_gsc_disable_irq(struct parport *p)
-{
- __parport_gsc_frob_control (p, 0x10, 0);
-}
-
-void parport_gsc_enable_irq(struct parport *p)
-{
- __parport_gsc_frob_control (p, 0x10, 0x10);
-}
-
-void parport_gsc_data_forward (struct parport *p)
-{
- __parport_gsc_frob_control (p, 0x20, 0);
-}
-
-void parport_gsc_data_reverse (struct parport *p)
-{
- __parport_gsc_frob_control (p, 0x20, 0x20);
-}
-
void parport_gsc_init_state(struct pardevice *dev, struct parport_state *s)
{
s->u.pc.ctr = 0xc | (dev->irq_func ? 0x10 : 0x0);