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path: root/drivers/net/wireless/intersil/hostap/hostap_plx.c
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Diffstat (limited to 'drivers/net/wireless/intersil/hostap/hostap_plx.c')
-rw-r--r--drivers/net/wireless/intersil/hostap/hostap_plx.c617
1 files changed, 0 insertions, 617 deletions
diff --git a/drivers/net/wireless/intersil/hostap/hostap_plx.c b/drivers/net/wireless/intersil/hostap/hostap_plx.c
deleted file mode 100644
index 58247290fcbc..000000000000
--- a/drivers/net/wireless/intersil/hostap/hostap_plx.c
+++ /dev/null
@@ -1,617 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-#define PRISM2_PLX
-
-/* Host AP driver's support for PC Cards on PCI adapters using PLX9052 is
- * based on:
- * - Host AP driver patch from james@madingley.org
- * - linux-wlan-ng driver, Copyright (C) AbsoluteValue Systems, Inc.
- */
-
-
-#include <linux/module.h>
-#include <linux/if.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-
-#include <linux/ioport.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-
-#include "hostap_wlan.h"
-
-
-static char *dev_info = "hostap_plx";
-
-
-MODULE_AUTHOR("Jouni Malinen");
-MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
- "cards (PLX).");
-MODULE_LICENSE("GPL");
-
-
-static int ignore_cis;
-module_param(ignore_cis, int, 0444);
-MODULE_PARM_DESC(ignore_cis, "Do not verify manfid information in CIS");
-
-
-/* struct local_info::hw_priv */
-struct hostap_plx_priv {
- void __iomem *attr_mem;
- unsigned int cor_offset;
-};
-
-
-#define PLX_MIN_ATTR_LEN 512 /* at least 2 x 256 is needed for CIS */
-#define COR_SRESET 0x80
-#define COR_LEVLREQ 0x40
-#define COR_ENABLE_FUNC 0x01
-/* PCI Configuration Registers */
-#define PLX_PCIIPR 0x3d /* PCI Interrupt Pin */
-/* Local Configuration Registers */
-#define PLX_INTCSR 0x4c /* Interrupt Control/Status Register */
-#define PLX_INTCSR_PCI_INTEN BIT(6) /* PCI Interrupt Enable */
-#define PLX_CNTRL 0x50
-#define PLX_CNTRL_SERIAL_EEPROM_PRESENT BIT(28)
-
-
-#define PLXDEV(vendor,dev,str) { vendor, dev, PCI_ANY_ID, PCI_ANY_ID }
-
-static const struct pci_device_id prism2_plx_id_table[] = {
- PLXDEV(0x10b7, 0x7770, "3Com AirConnect PCI 777A"),
- PLXDEV(0x111a, 0x1023, "Siemens SpeedStream SS1023"),
- PLXDEV(0x126c, 0x8030, "Nortel emobility"),
- PLXDEV(0x1562, 0x0001, "Symbol LA-4123"),
- PLXDEV(0x1385, 0x4100, "Netgear MA301"),
- PLXDEV(0x15e8, 0x0130, "National Datacomm NCP130 (PLX9052)"),
- PLXDEV(0x15e8, 0x0131, "National Datacomm NCP130 (TMD7160)"),
- PLXDEV(0x1638, 0x1100, "Eumitcom WL11000"),
- PLXDEV(0x16ab, 0x1100, "Global Sun Tech GL24110P"),
- PLXDEV(0x16ab, 0x1101, "Global Sun Tech GL24110P (?)"),
- PLXDEV(0x16ab, 0x1102, "Linksys WPC11 with WDT11"),
- PLXDEV(0x16ab, 0x1103, "Longshine 8031"),
- PLXDEV(0x16ec, 0x3685, "US Robotics USR2415"),
- PLXDEV(0xec80, 0xec00, "Belkin F5D6000"),
- { 0 }
-};
-
-
-/* Array of known Prism2/2.5 PC Card manufactured ids. If your card's manfid
- * is not listed here, you will need to add it here to get the driver
- * initialized. */
-static struct prism2_plx_manfid {
- u16 manfid1, manfid2;
-} prism2_plx_known_manfids[] = {
- { 0x000b, 0x7110 } /* D-Link DWL-650 Rev. P1 */,
- { 0x000b, 0x7300 } /* Philips 802.11b WLAN PCMCIA */,
- { 0x0101, 0x0777 } /* 3Com AirConnect PCI 777A */,
- { 0x0126, 0x8000 } /* Proxim RangeLAN */,
- { 0x0138, 0x0002 } /* Compaq WL100 */,
- { 0x0156, 0x0002 } /* Intersil Prism II Ref. Design (and others) */,
- { 0x026f, 0x030b } /* Buffalo WLI-CF-S11G */,
- { 0x0274, 0x1612 } /* Linksys WPC11 Ver 2.5 */,
- { 0x0274, 0x1613 } /* Linksys WPC11 Ver 3 */,
- { 0x028a, 0x0002 } /* D-Link DRC-650 */,
- { 0x0250, 0x0002 } /* Samsung SWL2000-N */,
- { 0xc250, 0x0002 } /* EMTAC A2424i */,
- { 0xd601, 0x0002 } /* Z-Com XI300 */,
- { 0xd601, 0x0005 } /* Zcomax XI-325H 200mW */,
- { 0, 0}
-};
-
-
-#ifdef PRISM2_IO_DEBUG
-
-static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
-{
- struct hostap_interface *iface;
- local_info_t *local;
- unsigned long flags;
-
- iface = netdev_priv(dev);
- local = iface->local;
-
- spin_lock_irqsave(&local->lock, flags);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
- outb(v, dev->base_addr + a);
- spin_unlock_irqrestore(&local->lock, flags);
-}
-
-static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
-{
- struct hostap_interface *iface;
- local_info_t *local;
- unsigned long flags;
- u8 v;
-
- iface = netdev_priv(dev);
- local = iface->local;
-
- spin_lock_irqsave(&local->lock, flags);
- v = inb(dev->base_addr + a);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
- spin_unlock_irqrestore(&local->lock, flags);
- return v;
-}
-
-static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
-{
- struct hostap_interface *iface;
- local_info_t *local;
- unsigned long flags;
-
- iface = netdev_priv(dev);
- local = iface->local;
-
- spin_lock_irqsave(&local->lock, flags);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
- outw(v, dev->base_addr + a);
- spin_unlock_irqrestore(&local->lock, flags);
-}
-
-static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
-{
- struct hostap_interface *iface;
- local_info_t *local;
- unsigned long flags;
- u16 v;
-
- iface = netdev_priv(dev);
- local = iface->local;
-
- spin_lock_irqsave(&local->lock, flags);
- v = inw(dev->base_addr + a);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
- spin_unlock_irqrestore(&local->lock, flags);
- return v;
-}
-
-static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
- u8 *buf, int wc)
-{
- struct hostap_interface *iface;
- local_info_t *local;
- unsigned long flags;
-
- iface = netdev_priv(dev);
- local = iface->local;
-
- spin_lock_irqsave(&local->lock, flags);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
- outsw(dev->base_addr + a, buf, wc);
- spin_unlock_irqrestore(&local->lock, flags);
-}
-
-static inline void hfa384x_insw_debug(struct net_device *dev, int a,
- u8 *buf, int wc)
-{
- struct hostap_interface *iface;
- local_info_t *local;
- unsigned long flags;
-
- iface = netdev_priv(dev);
- local = iface->local;
-
- spin_lock_irqsave(&local->lock, flags);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
- insw(dev->base_addr + a, buf, wc);
- spin_unlock_irqrestore(&local->lock, flags);
-}
-
-#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
-#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
-#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
-#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
-#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
-#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
-
-#else /* PRISM2_IO_DEBUG */
-
-#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
-#define HFA384X_INB(a) inb(dev->base_addr + (a))
-#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
-#define HFA384X_INW(a) inw(dev->base_addr + (a))
-#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
-#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
-
-#endif /* PRISM2_IO_DEBUG */
-
-
-static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
- int len)
-{
- u16 d_off;
- u16 *pos;
-
- d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
- pos = (u16 *) buf;
-
- if (len / 2)
- HFA384X_INSW(d_off, buf, len / 2);
- pos += len / 2;
-
- if (len & 1)
- *((char *) pos) = HFA384X_INB(d_off);
-
- return 0;
-}
-
-
-static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
-{
- u16 d_off;
- u16 *pos;
-
- d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
- pos = (u16 *) buf;
-
- if (len / 2)
- HFA384X_OUTSW(d_off, buf, len / 2);
- pos += len / 2;
-
- if (len & 1)
- HFA384X_OUTB(*((char *) pos), d_off);
-
- return 0;
-}
-
-
-/* FIX: This might change at some point.. */
-#include "hostap_hw.c"
-
-
-static void prism2_plx_cor_sreset(local_info_t *local)
-{
- unsigned char corsave;
- struct hostap_plx_priv *hw_priv = local->hw_priv;
-
- printk(KERN_DEBUG "%s: Doing reset via direct COR access.\n",
- dev_info);
-
- /* Set sreset bit of COR and clear it after hold time */
-
- if (hw_priv->attr_mem == NULL) {
- /* TMD7160 - COR at card's first I/O addr */
- corsave = inb(hw_priv->cor_offset);
- outb(corsave | COR_SRESET, hw_priv->cor_offset);
- mdelay(2);
- outb(corsave & ~COR_SRESET, hw_priv->cor_offset);
- mdelay(2);
- } else {
- /* PLX9052 */
- corsave = readb(hw_priv->attr_mem + hw_priv->cor_offset);
- writeb(corsave | COR_SRESET,
- hw_priv->attr_mem + hw_priv->cor_offset);
- mdelay(2);
- writeb(corsave & ~COR_SRESET,
- hw_priv->attr_mem + hw_priv->cor_offset);
- mdelay(2);
- }
-}
-
-
-static void prism2_plx_genesis_reset(local_info_t *local, int hcr)
-{
- unsigned char corsave;
- struct hostap_plx_priv *hw_priv = local->hw_priv;
-
- if (hw_priv->attr_mem == NULL) {
- /* TMD7160 - COR at card's first I/O addr */
- corsave = inb(hw_priv->cor_offset);
- outb(corsave | COR_SRESET, hw_priv->cor_offset);
- mdelay(10);
- outb(hcr, hw_priv->cor_offset + 2);
- mdelay(10);
- outb(corsave & ~COR_SRESET, hw_priv->cor_offset);
- mdelay(10);
- } else {
- /* PLX9052 */
- corsave = readb(hw_priv->attr_mem + hw_priv->cor_offset);
- writeb(corsave | COR_SRESET,
- hw_priv->attr_mem + hw_priv->cor_offset);
- mdelay(10);
- writeb(hcr, hw_priv->attr_mem + hw_priv->cor_offset + 2);
- mdelay(10);
- writeb(corsave & ~COR_SRESET,
- hw_priv->attr_mem + hw_priv->cor_offset);
- mdelay(10);
- }
-}
-
-
-static struct prism2_helper_functions prism2_plx_funcs =
-{
- .card_present = NULL,
- .cor_sreset = prism2_plx_cor_sreset,
- .genesis_reset = prism2_plx_genesis_reset,
- .hw_type = HOSTAP_HW_PLX,
-};
-
-
-static int prism2_plx_check_cis(void __iomem *attr_mem, int attr_len,
- unsigned int *cor_offset,
- unsigned int *cor_index)
-{
-#define CISTPL_CONFIG 0x1A
-#define CISTPL_MANFID 0x20
-#define CISTPL_END 0xFF
-#define CIS_MAX_LEN 256
- u8 *cis;
- int i, pos;
- unsigned int rmsz, rasz, manfid1, manfid2;
- struct prism2_plx_manfid *manfid;
-
- cis = kmalloc(CIS_MAX_LEN, GFP_KERNEL);
- if (cis == NULL)
- return -ENOMEM;
-
- /* read CIS; it is in even offsets in the beginning of attr_mem */
- for (i = 0; i < CIS_MAX_LEN; i++)
- cis[i] = readb(attr_mem + 2 * i);
- printk(KERN_DEBUG "%s: CIS: %6ph ...\n", dev_info, cis);
-
- /* set reasonable defaults for Prism2 cards just in case CIS parsing
- * fails */
- *cor_offset = 0x3e0;
- *cor_index = 0x01;
- manfid1 = manfid2 = 0;
-
- pos = 0;
- while (pos < CIS_MAX_LEN - 1 && cis[pos] != CISTPL_END) {
- if (pos + 2 + cis[pos + 1] > CIS_MAX_LEN)
- goto cis_error;
-
- switch (cis[pos]) {
- case CISTPL_CONFIG:
- if (cis[pos + 1] < 2)
- goto cis_error;
- rmsz = (cis[pos + 2] & 0x3c) >> 2;
- rasz = cis[pos + 2] & 0x03;
- if (4 + rasz + rmsz > cis[pos + 1])
- goto cis_error;
- *cor_index = cis[pos + 3] & 0x3F;
- *cor_offset = 0;
- for (i = 0; i <= rasz; i++)
- *cor_offset += cis[pos + 4 + i] << (8 * i);
- printk(KERN_DEBUG "%s: cor_index=0x%x "
- "cor_offset=0x%x\n", dev_info,
- *cor_index, *cor_offset);
- if (*cor_offset > attr_len) {
- printk(KERN_ERR "%s: COR offset not within "
- "attr_mem\n", dev_info);
- kfree(cis);
- return -1;
- }
- break;
-
- case CISTPL_MANFID:
- if (cis[pos + 1] < 4)
- goto cis_error;
- manfid1 = cis[pos + 2] + (cis[pos + 3] << 8);
- manfid2 = cis[pos + 4] + (cis[pos + 5] << 8);
- printk(KERN_DEBUG "%s: manfid=0x%04x, 0x%04x\n",
- dev_info, manfid1, manfid2);
- break;
- }
-
- pos += cis[pos + 1] + 2;
- }
-
- if (pos >= CIS_MAX_LEN || cis[pos] != CISTPL_END)
- goto cis_error;
-
- for (manfid = prism2_plx_known_manfids; manfid->manfid1 != 0; manfid++)
- if (manfid1 == manfid->manfid1 && manfid2 == manfid->manfid2) {
- kfree(cis);
- return 0;
- }
-
- printk(KERN_INFO "%s: unknown manfid 0x%04x, 0x%04x - assuming this is"
- " not supported card\n", dev_info, manfid1, manfid2);
- goto fail;
-
- cis_error:
- printk(KERN_WARNING "%s: invalid CIS data\n", dev_info);
-
- fail:
- kfree(cis);
- if (ignore_cis) {
- printk(KERN_INFO "%s: ignore_cis parameter set - ignoring "
- "errors during CIS verification\n", dev_info);
- return 0;
- }
- return -1;
-}
-
-
-static int prism2_plx_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- unsigned int pccard_ioaddr, plx_ioaddr;
- unsigned long pccard_attr_mem;
- unsigned int pccard_attr_len;
- void __iomem *attr_mem = NULL;
- unsigned int cor_offset = 0, cor_index = 0;
- u32 reg;
- local_info_t *local = NULL;
- struct net_device *dev = NULL;
- struct hostap_interface *iface;
- static int cards_found /* = 0 */;
- int irq_registered = 0;
- int tmd7160;
- struct hostap_plx_priv *hw_priv;
-
- hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
- if (hw_priv == NULL)
- return -ENOMEM;
-
- if (pci_enable_device(pdev))
- goto err_out_free;
-
- /* National Datacomm NCP130 based on TMD7160, not PLX9052. */
- tmd7160 = (pdev->vendor == 0x15e8) && (pdev->device == 0x0131);
-
- plx_ioaddr = pci_resource_start(pdev, 1);
- pccard_ioaddr = pci_resource_start(pdev, tmd7160 ? 2 : 3);
-
- if (tmd7160) {
- /* TMD7160 */
- attr_mem = NULL; /* no access to PC Card attribute memory */
-
- printk(KERN_INFO "TMD7160 PCI/PCMCIA adapter: io=0x%x, "
- "irq=%d, pccard_io=0x%x\n",
- plx_ioaddr, pdev->irq, pccard_ioaddr);
-
- cor_offset = plx_ioaddr;
- cor_index = 0x04;
-
- outb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, plx_ioaddr);
- mdelay(1);
- reg = inb(plx_ioaddr);
- if (reg != (cor_index | COR_LEVLREQ | COR_ENABLE_FUNC)) {
- printk(KERN_ERR "%s: Error setting COR (expected="
- "0x%02x, was=0x%02x)\n", dev_info,
- cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, reg);
- goto fail;
- }
- } else {
- /* PLX9052 */
- pccard_attr_mem = pci_resource_start(pdev, 2);
- pccard_attr_len = pci_resource_len(pdev, 2);
- if (pccard_attr_len < PLX_MIN_ATTR_LEN)
- goto fail;
-
-
- attr_mem = ioremap(pccard_attr_mem, pccard_attr_len);
- if (attr_mem == NULL) {
- printk(KERN_ERR "%s: cannot remap attr_mem\n",
- dev_info);
- goto fail;
- }
-
- printk(KERN_INFO "PLX9052 PCI/PCMCIA adapter: "
- "mem=0x%lx, plx_io=0x%x, irq=%d, pccard_io=0x%x\n",
- pccard_attr_mem, plx_ioaddr, pdev->irq, pccard_ioaddr);
-
- if (prism2_plx_check_cis(attr_mem, pccard_attr_len,
- &cor_offset, &cor_index)) {
- printk(KERN_INFO "Unknown PC Card CIS - not a "
- "Prism2/2.5 card?\n");
- goto fail;
- }
-
- printk(KERN_DEBUG "Prism2/2.5 PC Card detected in PLX9052 "
- "adapter\n");
-
- /* Write COR to enable PC Card */
- writeb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC,
- attr_mem + cor_offset);
-
- /* Enable PCI interrupts if they are not already enabled */
- reg = inl(plx_ioaddr + PLX_INTCSR);
- printk(KERN_DEBUG "PLX_INTCSR=0x%x\n", reg);
- if (!(reg & PLX_INTCSR_PCI_INTEN)) {
- outl(reg | PLX_INTCSR_PCI_INTEN,
- plx_ioaddr + PLX_INTCSR);
- if (!(inl(plx_ioaddr + PLX_INTCSR) &
- PLX_INTCSR_PCI_INTEN)) {
- printk(KERN_WARNING "%s: Could not enable "
- "Local Interrupts\n", dev_info);
- goto fail;
- }
- }
-
- reg = inl(plx_ioaddr + PLX_CNTRL);
- printk(KERN_DEBUG "PLX_CNTRL=0x%x (Serial EEPROM "
- "present=%d)\n",
- reg, (reg & PLX_CNTRL_SERIAL_EEPROM_PRESENT) != 0);
- /* should set PLX_PCIIPR to 0x01 (INTA#) if Serial EEPROM is
- * not present; but are there really such cards in use(?) */
- }
-
- dev = prism2_init_local_data(&prism2_plx_funcs, cards_found,
- &pdev->dev);
- if (dev == NULL)
- goto fail;
- iface = netdev_priv(dev);
- local = iface->local;
- local->hw_priv = hw_priv;
- cards_found++;
-
- dev->irq = pdev->irq;
- dev->base_addr = pccard_ioaddr;
- hw_priv->attr_mem = attr_mem;
- hw_priv->cor_offset = cor_offset;
-
- pci_set_drvdata(pdev, dev);
-
- if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name,
- dev)) {
- printk(KERN_WARNING "%s: request_irq failed\n", dev->name);
- goto fail;
- } else
- irq_registered = 1;
-
- if (prism2_hw_config(dev, 1)) {
- printk(KERN_DEBUG "%s: hardware initialization failed\n",
- dev_info);
- goto fail;
- }
-
- return hostap_hw_ready(dev);
-
- fail:
- if (irq_registered && dev)
- free_irq(dev->irq, dev);
-
- if (attr_mem)
- iounmap(attr_mem);
-
- pci_disable_device(pdev);
- prism2_free_local_data(dev);
-
- err_out_free:
- kfree(hw_priv);
-
- return -ENODEV;
-}
-
-
-static void prism2_plx_remove(struct pci_dev *pdev)
-{
- struct net_device *dev;
- struct hostap_interface *iface;
- struct hostap_plx_priv *hw_priv;
-
- dev = pci_get_drvdata(pdev);
- iface = netdev_priv(dev);
- hw_priv = iface->local->hw_priv;
-
- /* Reset the hardware, and ensure interrupts are disabled. */
- prism2_plx_cor_sreset(iface->local);
- hfa384x_disable_interrupts(dev);
-
- if (hw_priv->attr_mem)
- iounmap(hw_priv->attr_mem);
- if (dev->irq)
- free_irq(dev->irq, dev);
-
- prism2_free_local_data(dev);
- kfree(hw_priv);
- pci_disable_device(pdev);
-}
-
-
-MODULE_DEVICE_TABLE(pci, prism2_plx_id_table);
-
-static struct pci_driver prism2_plx_driver = {
- .name = "hostap_plx",
- .id_table = prism2_plx_id_table,
- .probe = prism2_plx_probe,
- .remove = prism2_plx_remove,
-};
-
-module_pci_driver(prism2_plx_driver);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-04 07:07:44 +0300