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path: root/drivers/net/wireless/intersil/hostap/hostap_pci.c
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Diffstat (limited to 'drivers/net/wireless/intersil/hostap/hostap_pci.c')
-rw-r--r--drivers/net/wireless/intersil/hostap/hostap_pci.c445
1 files changed, 0 insertions, 445 deletions
diff --git a/drivers/net/wireless/intersil/hostap/hostap_pci.c b/drivers/net/wireless/intersil/hostap/hostap_pci.c
deleted file mode 100644
index 52d77506effd..000000000000
--- a/drivers/net/wireless/intersil/hostap/hostap_pci.c
+++ /dev/null
@@ -1,445 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-#define PRISM2_PCI
-
-/* Host AP driver's support for Intersil Prism2.5 PCI cards is based on
- * driver patches from Reyk Floeter <reyk@vantronix.net> and
- * Andy Warner <andyw@pobox.com> */
-
-#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_pci";
-
-
-MODULE_AUTHOR("Jouni Malinen");
-MODULE_DESCRIPTION("Support for Intersil Prism2.5-based 802.11 wireless LAN "
- "PCI cards.");
-MODULE_LICENSE("GPL");
-
-
-/* struct local_info::hw_priv */
-struct hostap_pci_priv {
- void __iomem *mem_start;
-};
-
-
-/* FIX: do we need mb/wmb/rmb with memory operations? */
-
-
-static const struct pci_device_id prism2_pci_id_table[] = {
- /* Intersil Prism3 ISL3872 11Mb/s WLAN Controller */
- { 0x1260, 0x3872, PCI_ANY_ID, PCI_ANY_ID },
- /* Intersil Prism2.5 ISL3874 11Mb/s WLAN Controller */
- { 0x1260, 0x3873, PCI_ANY_ID, PCI_ANY_ID },
- /* Samsung MagicLAN SWL-2210P */
- { 0x167d, 0xa000, PCI_ANY_ID, PCI_ANY_ID },
- { 0 }
-};
-
-
-#ifdef PRISM2_IO_DEBUG
-
-static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- local_info_t *local;
- unsigned long flags;
-
- iface = netdev_priv(dev);
- local = iface->local;
- hw_priv = local->hw_priv;
-
- spin_lock_irqsave(&local->lock, flags);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
- writeb(v, hw_priv->mem_start + a);
- spin_unlock_irqrestore(&local->lock, flags);
-}
-
-static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- local_info_t *local;
- unsigned long flags;
- u8 v;
-
- iface = netdev_priv(dev);
- local = iface->local;
- hw_priv = local->hw_priv;
-
- spin_lock_irqsave(&local->lock, flags);
- v = readb(hw_priv->mem_start + 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;
- struct hostap_pci_priv *hw_priv;
- local_info_t *local;
- unsigned long flags;
-
- iface = netdev_priv(dev);
- local = iface->local;
- hw_priv = local->hw_priv;
-
- spin_lock_irqsave(&local->lock, flags);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
- writew(v, hw_priv->mem_start + a);
- spin_unlock_irqrestore(&local->lock, flags);
-}
-
-static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- local_info_t *local;
- unsigned long flags;
- u16 v;
-
- iface = netdev_priv(dev);
- local = iface->local;
- hw_priv = local->hw_priv;
-
- spin_lock_irqsave(&local->lock, flags);
- v = readw(hw_priv->mem_start + a);
- prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
- spin_unlock_irqrestore(&local->lock, flags);
- return v;
-}
-
-#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_OUTW_DATA(v,a) hfa384x_outw_debug(dev, (a), le16_to_cpu((v)))
-#define HFA384X_INW_DATA(a) cpu_to_le16(hfa384x_inw_debug(dev, (a)))
-
-#else /* PRISM2_IO_DEBUG */
-
-static inline void hfa384x_outb(struct net_device *dev, int a, u8 v)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- iface = netdev_priv(dev);
- hw_priv = iface->local->hw_priv;
- writeb(v, hw_priv->mem_start + a);
-}
-
-static inline u8 hfa384x_inb(struct net_device *dev, int a)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- iface = netdev_priv(dev);
- hw_priv = iface->local->hw_priv;
- return readb(hw_priv->mem_start + a);
-}
-
-static inline void hfa384x_outw(struct net_device *dev, int a, u16 v)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- iface = netdev_priv(dev);
- hw_priv = iface->local->hw_priv;
- writew(v, hw_priv->mem_start + a);
-}
-
-static inline u16 hfa384x_inw(struct net_device *dev, int a)
-{
- struct hostap_interface *iface;
- struct hostap_pci_priv *hw_priv;
- iface = netdev_priv(dev);
- hw_priv = iface->local->hw_priv;
- return readw(hw_priv->mem_start + a);
-}
-
-#define HFA384X_OUTB(v,a) hfa384x_outb(dev, (a), (v))
-#define HFA384X_INB(a) hfa384x_inb(dev, (a))
-#define HFA384X_OUTW(v,a) hfa384x_outw(dev, (a), (v))
-#define HFA384X_INW(a) hfa384x_inw(dev, (a))
-#define HFA384X_OUTW_DATA(v,a) hfa384x_outw(dev, (a), le16_to_cpu((v)))
-#define HFA384X_INW_DATA(a) cpu_to_le16(hfa384x_inw(dev, (a)))
-
-#endif /* PRISM2_IO_DEBUG */
-
-
-static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
- int len)
-{
- u16 d_off;
- __le16 *pos;
-
- d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
- pos = (__le16 *) buf;
-
- for ( ; len > 1; len -= 2)
- *pos++ = HFA384X_INW_DATA(d_off);
-
- 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;
- __le16 *pos;
-
- d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
- pos = (__le16 *) buf;
-
- for ( ; len > 1; len -= 2)
- HFA384X_OUTW_DATA(*pos++, d_off);
-
- 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_pci_cor_sreset(local_info_t *local)
-{
- struct net_device *dev = local->dev;
- u16 reg;
-
- reg = HFA384X_INB(HFA384X_PCICOR_OFF);
- printk(KERN_DEBUG "%s: Original COR value: 0x%0x\n", dev->name, reg);
-
- /* linux-wlan-ng uses extremely long hold and settle times for
- * COR sreset. A comment in the driver code mentions that the long
- * delays appear to be necessary. However, at least IBM 22P6901 seems
- * to work fine with shorter delays.
- *
- * Longer delays can be configured by uncommenting following line: */
-/* #define PRISM2_PCI_USE_LONG_DELAYS */
-
-#ifdef PRISM2_PCI_USE_LONG_DELAYS
- int i;
-
- HFA384X_OUTW(reg | 0x0080, HFA384X_PCICOR_OFF);
- mdelay(250);
-
- HFA384X_OUTW(reg & ~0x0080, HFA384X_PCICOR_OFF);
- mdelay(500);
-
- /* Wait for f/w to complete initialization (CMD:BUSY == 0) */
- i = 2000000 / 10;
- while ((HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY) && --i)
- udelay(10);
-
-#else /* PRISM2_PCI_USE_LONG_DELAYS */
-
- HFA384X_OUTW(reg | 0x0080, HFA384X_PCICOR_OFF);
- mdelay(2);
- HFA384X_OUTW(reg & ~0x0080, HFA384X_PCICOR_OFF);
- mdelay(2);
-
-#endif /* PRISM2_PCI_USE_LONG_DELAYS */
-
- if (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY) {
- printk(KERN_DEBUG "%s: COR sreset timeout\n", dev->name);
- }
-}
-
-
-static void prism2_pci_genesis_reset(local_info_t *local, int hcr)
-{
- struct net_device *dev = local->dev;
-
- HFA384X_OUTW(0x00C5, HFA384X_PCICOR_OFF);
- mdelay(10);
- HFA384X_OUTW(hcr, HFA384X_PCIHCR_OFF);
- mdelay(10);
- HFA384X_OUTW(0x0045, HFA384X_PCICOR_OFF);
- mdelay(10);
-}
-
-
-static struct prism2_helper_functions prism2_pci_funcs =
-{
- .card_present = NULL,
- .cor_sreset = prism2_pci_cor_sreset,
- .genesis_reset = prism2_pci_genesis_reset,
- .hw_type = HOSTAP_HW_PCI,
-};
-
-
-static int prism2_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- unsigned long phymem;
- void __iomem *mem = NULL;
- local_info_t *local = NULL;
- struct net_device *dev = NULL;
- static int cards_found /* = 0 */;
- int irq_registered = 0;
- struct hostap_interface *iface;
- struct hostap_pci_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;
-
- phymem = pci_resource_start(pdev, 0);
-
- if (!request_mem_region(phymem, pci_resource_len(pdev, 0), "Prism2")) {
- printk(KERN_ERR "prism2: Cannot reserve PCI memory region\n");
- goto err_out_disable;
- }
-
- mem = pci_ioremap_bar(pdev, 0);
- if (mem == NULL) {
- printk(KERN_ERR "prism2: Cannot remap PCI memory region\n") ;
- goto fail;
- }
-
- dev = prism2_init_local_data(&prism2_pci_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;
- hw_priv->mem_start = mem;
- dev->base_addr = (unsigned long) mem;
-
- prism2_pci_cor_sreset(local);
-
- 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 (!local->pri_only && prism2_hw_config(dev, 1)) {
- printk(KERN_DEBUG "%s: hardware initialization failed\n",
- dev_info);
- goto fail;
- }
-
- printk(KERN_INFO "%s: Intersil Prism2.5 PCI: "
- "mem=0x%lx, irq=%d\n", dev->name, phymem, dev->irq);
-
- return hostap_hw_ready(dev);
-
- fail:
- if (irq_registered && dev)
- free_irq(dev->irq, dev);
-
- if (mem)
- iounmap(mem);
-
- release_mem_region(phymem, pci_resource_len(pdev, 0));
-
- err_out_disable:
- pci_disable_device(pdev);
- prism2_free_local_data(dev);
-
- err_out_free:
- kfree(hw_priv);
-
- return -ENODEV;
-}
-
-
-static void prism2_pci_remove(struct pci_dev *pdev)
-{
- struct net_device *dev;
- struct hostap_interface *iface;
- void __iomem *mem_start;
- struct hostap_pci_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_pci_cor_sreset(iface->local);
- hfa384x_disable_interrupts(dev);
-
- if (dev->irq)
- free_irq(dev->irq, dev);
-
- mem_start = hw_priv->mem_start;
- prism2_free_local_data(dev);
- kfree(hw_priv);
-
- iounmap(mem_start);
-
- release_mem_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- pci_disable_device(pdev);
-}
-
-static int __maybe_unused prism2_pci_suspend(struct device *dev_d)
-{
- struct net_device *dev = dev_get_drvdata(dev_d);
-
- if (netif_running(dev)) {
- netif_stop_queue(dev);
- netif_device_detach(dev);
- }
- prism2_suspend(dev);
-
- return 0;
-}
-
-static int __maybe_unused prism2_pci_resume(struct device *dev_d)
-{
- struct net_device *dev = dev_get_drvdata(dev_d);
-
- prism2_hw_config(dev, 0);
- if (netif_running(dev)) {
- netif_device_attach(dev);
- netif_start_queue(dev);
- }
-
- return 0;
-}
-
-MODULE_DEVICE_TABLE(pci, prism2_pci_id_table);
-
-static SIMPLE_DEV_PM_OPS(prism2_pci_pm_ops,
- prism2_pci_suspend,
- prism2_pci_resume);
-
-static struct pci_driver prism2_pci_driver = {
- .name = "hostap_pci",
- .id_table = prism2_pci_id_table,
- .probe = prism2_pci_probe,
- .remove = prism2_pci_remove,
- .driver.pm = &prism2_pci_pm_ops,
-};
-
-module_pci_driver(prism2_pci_driver);