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Diffstat (limited to 'target/linux/brcm-2.4/files/drivers/parport/parport_splink.c')
-rw-r--r--target/linux/brcm-2.4/files/drivers/parport/parport_splink.c345
1 files changed, 0 insertions, 345 deletions
diff --git a/target/linux/brcm-2.4/files/drivers/parport/parport_splink.c b/target/linux/brcm-2.4/files/drivers/parport/parport_splink.c
deleted file mode 100644
index 0f5a81b85d..0000000000
--- a/target/linux/brcm-2.4/files/drivers/parport/parport_splink.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/* Low-level parallel port routines for the ASUS WL-500g built-in port
- *
- * Author: Nuno Grilo <nuno.grilo@netcabo.pt>
- * Based on parport_pc source
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/parport.h>
-#include <linux/parport_pc.h>
-
-#define SPLINK_ADDRESS 0xBF800010
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define DPRINTK printk
-#else
-#define DPRINTK(stuff...)
-#endif
-
-
-/* __parport_splink_frob_control differs from parport_splink_frob_control in that
- * it doesn't do any extra masking. */
-static __inline__ unsigned char __parport_splink_frob_control (struct parport *p,
- unsigned char mask,
- unsigned char val)
-{
- struct parport_pc_private *priv = p->physport->private_data;
- unsigned char *io = (unsigned char *) p->base;
- unsigned char ctr = priv->ctr;
-#ifdef DEBUG_PARPORT
- printk (KERN_DEBUG
- "__parport_splink_frob_control(%02x,%02x): %02x -> %02x\n",
- mask, val, ctr, ((ctr & ~mask) ^ val) & priv->ctr_writable);
-#endif
- ctr = (ctr & ~mask) ^ val;
- ctr &= priv->ctr_writable; /* only write writable bits. */
- *(io+2) = ctr;
- priv->ctr = ctr; /* Update soft copy */
- return ctr;
-}
-
-
-
-static void parport_splink_data_forward (struct parport *p)
-{
- DPRINTK(KERN_DEBUG "parport_splink: parport_data_forward called\n");
- __parport_splink_frob_control (p, 0x20, 0);
-}
-
-static void parport_splink_data_reverse (struct parport *p)
-{
- DPRINTK(KERN_DEBUG "parport_splink: parport_data_forward called\n");
- __parport_splink_frob_control (p, 0x20, 0x20);
-}
-
-/*
-static void parport_splink_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
- DPRINTK(KERN_DEBUG "parport_splink: IRQ handler called\n");
- parport_generic_irq(irq, (struct parport *) dev_id, regs);
-}
-*/
-
-static void parport_splink_enable_irq(struct parport *p)
-{
- DPRINTK(KERN_DEBUG "parport_splink: parport_splink_enable_irq called\n");
- __parport_splink_frob_control (p, 0x10, 0x10);
-}
-
-static void parport_splink_disable_irq(struct parport *p)
-{
- DPRINTK(KERN_DEBUG "parport_splink: parport_splink_disable_irq called\n");
- __parport_splink_frob_control (p, 0x10, 0);
-}
-
-static void parport_splink_init_state(struct pardevice *dev, struct parport_state *s)
-{
- DPRINTK(KERN_DEBUG "parport_splink: parport_splink_init_state called\n");
- s->u.pc.ctr = 0xc | (dev->irq_func ? 0x10 : 0x0);
- if (dev->irq_func &&
- dev->port->irq != PARPORT_IRQ_NONE)
- /* Set ackIntEn */
- s->u.pc.ctr |= 0x10;
-}
-
-static void parport_splink_save_state(struct parport *p, struct parport_state *s)
-{
- const struct parport_pc_private *priv = p->physport->private_data;
- DPRINTK(KERN_DEBUG "parport_splink: parport_splink_save_state called\n");
- s->u.pc.ctr = priv->ctr;
-}
-
-static void parport_splink_restore_state(struct parport *p, struct parport_state *s)
-{
- struct parport_pc_private *priv = p->physport->private_data;
- unsigned char *io = (unsigned char *) p->base;
- unsigned char ctr = s->u.pc.ctr;
-
- DPRINTK(KERN_DEBUG "parport_splink: parport_splink_restore_state called\n");
- *(io+2) = ctr;
- priv->ctr = ctr;
-}
-
-static void parport_splink_setup_interrupt(void) {
- return;
-}
-
-static void parport_splink_write_data(struct parport *p, unsigned char d) {
- DPRINTK(KERN_DEBUG "parport_splink: write data called\n");
- unsigned char *io = (unsigned char *) p->base;
- *io = d;
-}
-
-static unsigned char parport_splink_read_data(struct parport *p) {
- DPRINTK(KERN_DEBUG "parport_splink: read data called\n");
- unsigned char *io = (unsigned char *) p->base;
- return *io;
-}
-
-static void parport_splink_write_control(struct parport *p, unsigned char d)
-{
- const unsigned char wm = (PARPORT_CONTROL_STROBE |
- PARPORT_CONTROL_AUTOFD |
- PARPORT_CONTROL_INIT |
- PARPORT_CONTROL_SELECT);
-
- DPRINTK(KERN_DEBUG "parport_splink: write control called\n");
- /* Take this out when drivers have adapted to the newer interface. */
- if (d & 0x20) {
- printk (KERN_DEBUG "%s (%s): use data_reverse for this!\n",
- p->name, p->cad->name);
- parport_splink_data_reverse (p);
- }
-
- __parport_splink_frob_control (p, wm, d & wm);
-}
-
-static unsigned char parport_splink_read_control(struct parport *p)
-{
- const unsigned char wm = (PARPORT_CONTROL_STROBE |
- PARPORT_CONTROL_AUTOFD |
- PARPORT_CONTROL_INIT |
- PARPORT_CONTROL_SELECT);
- DPRINTK(KERN_DEBUG "parport_splink: read control called\n");
- const struct parport_pc_private *priv = p->physport->private_data;
- return priv->ctr & wm; /* Use soft copy */
-}
-
-static unsigned char parport_splink_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);
-
- DPRINTK(KERN_DEBUG "parport_splink: frob control called\n");
- /* Take this out when drivers have adapted to the newer interface. */
- if (mask & 0x20) {
- printk (KERN_DEBUG "%s (%s): use data_%s for this!\n",
- p->name, p->cad->name,
- (val & 0x20) ? "reverse" : "forward");
- if (val & 0x20)
- parport_splink_data_reverse (p);
- else
- parport_splink_data_forward (p);
- }
-
- /* Restrict mask and val to control lines. */
- mask &= wm;
- val &= wm;
-
- return __parport_splink_frob_control (p, mask, val);
-}
-
-static unsigned char parport_splink_read_status(struct parport *p)
-{
- DPRINTK(KERN_DEBUG "parport_splink: read status called\n");
- unsigned char *io = (unsigned char *) p->base;
- return *(io+1);
-}
-
-static void parport_splink_inc_use_count(void)
-{
-#ifdef MODULE
- MOD_INC_USE_COUNT;
-#endif
-}
-
-static void parport_splink_dec_use_count(void)
-{
-#ifdef MODULE
- MOD_DEC_USE_COUNT;
-#endif
-}
-
-static struct parport_operations parport_splink_ops =
-{
- parport_splink_write_data,
- parport_splink_read_data,
-
- parport_splink_write_control,
- parport_splink_read_control,
- parport_splink_frob_control,
-
- parport_splink_read_status,
-
- parport_splink_enable_irq,
- parport_splink_disable_irq,
-
- parport_splink_data_forward,
- parport_splink_data_reverse,
-
- parport_splink_init_state,
- parport_splink_save_state,
- parport_splink_restore_state,
-
- parport_splink_inc_use_count,
- parport_splink_dec_use_count,
-
- parport_ieee1284_epp_write_data,
- parport_ieee1284_epp_read_data,
- parport_ieee1284_epp_write_addr,
- parport_ieee1284_epp_read_addr,
-
- parport_ieee1284_ecp_write_data,
- parport_ieee1284_ecp_read_data,
- parport_ieee1284_ecp_write_addr,
-
- parport_ieee1284_write_compat,
- parport_ieee1284_read_nibble,
- parport_ieee1284_read_byte,
-};
-
-/* --- Initialisation code -------------------------------- */
-
-static struct parport *parport_splink_probe_port (unsigned long int base)
-{
- struct parport_pc_private *priv;
- struct parport_operations *ops;
- struct parport *p;
-
- if (check_mem_region(base, 3)) {
- printk (KERN_DEBUG "parport (0x%lx): iomem region not available\n", base);
- return NULL;
- }
- priv = kmalloc (sizeof (struct parport_pc_private), GFP_KERNEL);
- if (!priv) {
- printk (KERN_DEBUG "parport (0x%lx): no memory!\n", base);
- return NULL;
- }
- ops = kmalloc (sizeof (struct parport_operations), GFP_KERNEL);
- if (!ops) {
- printk (KERN_DEBUG "parport (0x%lx): no memory for ops!\n",
- base);
- kfree (priv);
- return NULL;
- }
- memcpy (ops, &parport_splink_ops, sizeof (struct parport_operations));
- priv->ctr = 0xc;
- priv->ctr_writable = 0xff;
-
- if (!(p = parport_register_port(base, PARPORT_IRQ_NONE,
- PARPORT_DMA_NONE, ops))) {
- printk (KERN_DEBUG "parport (0x%lx): registration failed!\n",
- base);
- kfree (priv);
- kfree (ops);
- return NULL;
- }
-
- p->modes = PARPORT_MODE_PCSPP | PARPORT_MODE_SAFEININT;
- p->size = (p->modes & PARPORT_MODE_EPP)?8:3;
- p->private_data = priv;
-
- parport_proc_register(p);
- request_mem_region (p->base, 3, p->name);
-
- /* Done probing. Now put the port into a sensible start-up state. */
- parport_splink_write_data(p, 0);
- parport_splink_data_forward (p);
-
- /* Now that we've told the sharing engine about the port, and
- found out its characteristics, let the high-level drivers
- know about it. */
- parport_announce_port (p);
-
- DPRINTK(KERN_DEBUG "parport (0x%lx): init ok!\n",
- base);
- return p;
-}
-
-static void parport_splink_unregister_port(struct parport *p) {
- struct parport_pc_private *priv = p->private_data;
- struct parport_operations *ops = p->ops;
-
- if (p->irq != PARPORT_IRQ_NONE)
- free_irq(p->irq, p);
- release_mem_region(p->base, 3);
- parport_proc_unregister(p);
- kfree (priv);
- parport_unregister_port(p);
- kfree (ops);
-}
-
-
-int parport_splink_init(void)
-{
- int ret;
-
- DPRINTK(KERN_DEBUG "parport_splink init called\n");
- parport_splink_setup_interrupt();
- ret = !parport_splink_probe_port(SPLINK_ADDRESS);
-
- return ret;
-}
-
-void parport_splink_cleanup(void) {
- struct parport *p = parport_enumerate(), *tmp;
- DPRINTK(KERN_DEBUG "parport_splink cleanup called\n");
- if (p->size) {
- if (p->modes & PARPORT_MODE_PCSPP) {
- while(p) {
- tmp = p->next;
- parport_splink_unregister_port(p);
- p = tmp;
- }
- }
- }
-}
-
-MODULE_AUTHOR("Nuno Grilo <nuno.grilo@netcabo.pt>");
-MODULE_DESCRIPTION("Parport Driver for ASUS WL-500g router builtin Port");
-MODULE_SUPPORTED_DEVICE("ASUS WL-500g builtin Parallel Port");
-MODULE_LICENSE("GPL");
-
-module_init(parport_splink_init)
-module_exit(parport_splink_cleanup)
-
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