* (wvlan_hcf.c) library, and the NetBSD wireless driver (in no
* particular order).
*
- * Copyright (C) 2000, David Gibson, Linuxcare Australia <hermes@gibson.dropbear.id.au>
- * Copyright (C) 2001, David Gibson, IBM <hermes@gibson.dropbear.id.au>
+ * Copyright (C) 2000, David Gibson, Linuxcare Australia.
+ * (C) Copyright David Gibson, IBM Corp. 2001-2003.
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* under either the MPL or the GPL.
*/
-#include <linux/config.h>
-
#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/threads.h>
-#include <linux/smp.h>
-#include <asm/io.h>
-#include <linux/delay.h>
-#include <linux/init.h>
#include <linux/kernel.h>
-#include <asm/errno.h>
+#include <linux/init.h>
+#include <linux/delay.h>
#include "hermes.h"
MODULE_DESCRIPTION("Low-level driver helper for Lucent Hermes chipset and Prism II HFA384x wireless MAC controller");
-MODULE_AUTHOR("David Gibson <hermes@gibson.dropbear.id.au>");
-#ifdef MODULE_LICENSE
+MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>"
+ " & David Gibson <hermes@gibson.dropbear.id.au>");
MODULE_LICENSE("Dual MPL/GPL");
-#endif
/* These are maximum timeouts. Most often, card wil react much faster */
#define CMD_BUSY_TIMEOUT (100) /* In iterations of ~1us */
* Debugging helpers
*/
-#define IO_TYPE(hw) ((hw)->io_space ? "IO " : "MEM ")
-#define DMSG(stuff...) do {printk(KERN_DEBUG "hermes @ %s0x%x: " , IO_TYPE(hw), hw->iobase); \
+#define DMSG(stuff...) do {printk(KERN_DEBUG "hermes @ %p: " , hw->iobase); \
printk(stuff);} while (0)
#undef HERMES_DEBUG
* Function definitions
*/
-void hermes_struct_init(hermes_t *hw, ulong address,
- int io_space, int reg_spacing)
+void hermes_struct_init(hermes_t *hw, void __iomem *address, int reg_spacing)
{
hw->iobase = address;
- hw->io_space = io_space;
hw->reg_spacing = reg_spacing;
hw->inten = 0x0;
-
-#ifdef HERMES_DEBUG_BUFFER
- hw->dbufp = 0;
- memset(&hw->dbuf, 0xff, sizeof(hw->dbuf));
- memset(&hw->profile, 0, sizeof(hw->profile));
-#endif
}
int hermes_init(hermes_t *hw)
}
if (! (reg & HERMES_EV_CMD)) {
- printk(KERN_ERR "hermes @ %s0x%lx: "
+ printk(KERN_ERR "hermes @ %p: "
"Timeout waiting for card to reset (reg=0x%04x)!\n",
- IO_TYPE(hw), hw->iobase, reg);
+ hw->iobase, reg);
err = -ETIMEDOUT;
goto out;
}
*
* Callable from any context, but locking is your problem. */
int hermes_docmd_wait(hermes_t *hw, u16 cmd, u16 parm0,
- hermes_response_t *resp)
+ struct hermes_response *resp)
{
int err;
int k;
err = hermes_issue_cmd(hw, cmd, parm0);
if (err) {
if (! hermes_present(hw)) {
- printk(KERN_WARNING "hermes @ %s0x%lx: "
- "Card removed while issuing command.\n",
- IO_TYPE(hw), hw->iobase);
+ if (net_ratelimit())
+ printk(KERN_WARNING "hermes @ %p: "
+ "Card removed while issuing command "
+ "0x%04x.\n", hw->iobase, cmd);
err = -ENODEV;
} else
- printk(KERN_ERR "hermes @ %s0x%lx: Error %d issuing command.\n",
- IO_TYPE(hw), hw->iobase, err);
+ if (net_ratelimit())
+ printk(KERN_ERR "hermes @ %p: "
+ "Error %d issuing command 0x%04x.\n",
+ hw->iobase, err, cmd);
goto out;
}
}
if (! hermes_present(hw)) {
- printk(KERN_WARNING "hermes @ %s0x%lx: "
- "Card removed while waiting for command completion.\n",
- IO_TYPE(hw), hw->iobase);
+ printk(KERN_WARNING "hermes @ %p: Card removed "
+ "while waiting for command 0x%04x completion.\n",
+ hw->iobase, cmd);
err = -ENODEV;
goto out;
}
if (! (reg & HERMES_EV_CMD)) {
- printk(KERN_ERR "hermes @ %s0x%lx: "
- "Timeout waiting for command completion.\n",
- IO_TYPE(hw), hw->iobase);
+ printk(KERN_ERR "hermes @ %p: Timeout waiting for "
+ "command 0x%04x completion.\n", hw->iobase, cmd);
err = -ETIMEDOUT;
goto out;
}
}
if (! hermes_present(hw)) {
- printk(KERN_WARNING "hermes @ %s0x%lx: "
+ printk(KERN_WARNING "hermes @ %p: "
"Card removed waiting for frame allocation.\n",
- IO_TYPE(hw), hw->iobase);
+ hw->iobase);
return -ENODEV;
}
if (! (reg & HERMES_EV_ALLOC)) {
- printk(KERN_ERR "hermes @ %s0x%lx: "
+ printk(KERN_ERR "hermes @ %p: "
"Timeout waiting for frame allocation\n",
- IO_TYPE(hw), hw->iobase);
+ hw->iobase);
return -ETIMEDOUT;
}
reg = hermes_read_reg(hw, oreg);
}
-#ifdef HERMES_DEBUG_BUFFER
- hw->profile[HERMES_BAP_BUSY_TIMEOUT - k]++;
-
- if (k < HERMES_BAP_BUSY_TIMEOUT) {
- struct hermes_debug_entry *e =
- &hw->dbuf[(hw->dbufp++) % HERMES_DEBUG_BUFSIZE];
- e->bap = bap;
- e->id = id;
- e->offset = offset;
- e->cycles = HERMES_BAP_BUSY_TIMEOUT - k;
- }
-#endif
-
if (reg & HERMES_OFFSET_BUSY)
return -ETIMEDOUT;
reg = hermes_read_reg(hw, oreg);
}
- if (reg & HERMES_OFFSET_BUSY) {
- return -ETIMEDOUT;
- }
+ if (reg != offset) {
+ printk(KERN_ERR "hermes @ %p: BAP%d offset %s: "
+ "reg=0x%x id=0x%x offset=0x%x\n", hw->iobase, bap,
+ (reg & HERMES_OFFSET_BUSY) ? "timeout" : "error",
+ reg, id, offset);
- if (reg & HERMES_OFFSET_ERR) {
- return -EIO;
- }
+ if (reg & HERMES_OFFSET_BUSY) {
+ return -ETIMEDOUT;
+ }
+ return -EIO; /* error or wrong offset */
+ }
return 0;
}
*
* Returns: < 0 on internal failure (errno), 0 on success, > 0 on error from firmware
*/
-int hermes_bap_pread(hermes_t *hw, int bap, void *buf, unsigned len,
+int hermes_bap_pread(hermes_t *hw, int bap, void *buf, int len,
u16 id, u16 offset)
{
int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
}
/* Write a block of data to the chip's buffer, via the
- * BAP. Synchronization/serialization is the caller's problem. len
- * must be even.
+ * BAP. Synchronization/serialization is the caller's problem.
*
* Returns: < 0 on internal failure (errno), 0 on success, > 0 on error from firmware
*/
-int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, unsigned len,
+int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, int len,
u16 id, u16 offset)
{
int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
int err = 0;
- if ( (len < 0) || (len % 2) )
+ if (len < 0)
return -EINVAL;
err = hermes_bap_seek(hw, bap, id, offset);
goto out;
/* Actually do the transfer */
- hermes_write_words(hw, dreg, buf, len/2);
+ hermes_write_bytes(hw, dreg, buf, len);
out:
return err;
rlength = hermes_read_reg(hw, dreg);
if (! rlength)
- return -ENOENT;
+ return -ENODATA;
rtype = hermes_read_reg(hw, dreg);
*length = rlength;
if (rtype != rid)
- printk(KERN_WARNING "hermes @ %s0x%lx: "
- "hermes_read_ltv(): rid (0x%04x) does not match type (0x%04x)\n",
- IO_TYPE(hw), hw->iobase, rid, rtype);
+ printk(KERN_WARNING "hermes @ %p: %s(): "
+ "rid (0x%04x) does not match type (0x%04x)\n",
+ hw->iobase, __FUNCTION__, rid, rtype);
if (HERMES_RECLEN_TO_BYTES(rlength) > bufsize)
- printk(KERN_WARNING "hermes @ %s0x%lx: "
+ printk(KERN_WARNING "hermes @ %p: "
"Truncating LTV record from %d to %d bytes. "
- "(rid=0x%04x, len=0x%04x)\n",
- IO_TYPE(hw), hw->iobase,
+ "(rid=0x%04x, len=0x%04x)\n", hw->iobase,
HERMES_RECLEN_TO_BYTES(rlength), bufsize, rid, rlength);
nwords = min((unsigned)rlength - 1, bufsize / 2);
count = length - 1;
- hermes_write_words(hw, dreg, value, count);
+ hermes_write_bytes(hw, dreg, value, count << 1);
err = hermes_docmd_wait(hw, HERMES_CMD_ACCESS | HERMES_CMD_WRITE,
rid, NULL);
git://git.onelab.eu / linux-2.6.git / blobdiff