mirror of
https://github.com/szehl/ath9k-hmac.git
synced 2024-12-30 10:39:12 +00:00
259 lines
6.2 KiB
C
259 lines
6.2 KiB
C
/*
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* Sonics Silicon Backplane
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* Embedded systems support code
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*
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* Copyright 2005-2008, Broadcom Corporation
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* Copyright 2006-2008, Michael Buesch <m@bues.ch>
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* Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
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*
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* Licensed under the GNU/GPL. See COPYING for details.
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*/
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#include <linux/export.h>
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#include <linux/platform_device.h>
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#include <linux/ssb/ssb.h>
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#include <linux/ssb/ssb_embedded.h>
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#include <linux/ssb/ssb_driver_pci.h>
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#include <linux/ssb/ssb_driver_gige.h>
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#include <linux/pci.h>
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#include "ssb_private.h"
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int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
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{
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if (ssb_chipco_available(&bus->chipco)) {
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ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
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return 0;
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}
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if (ssb_extif_available(&bus->extif)) {
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ssb_extif_watchdog_timer_set(&bus->extif, ticks);
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return 0;
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}
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return -ENODEV;
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}
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EXPORT_SYMBOL(ssb_watchdog_timer_set);
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int ssb_watchdog_register(struct ssb_bus *bus)
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{
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struct bcm47xx_wdt wdt = {};
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struct platform_device *pdev;
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if (ssb_chipco_available(&bus->chipco)) {
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wdt.driver_data = &bus->chipco;
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wdt.timer_set = ssb_chipco_watchdog_timer_set_wdt;
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wdt.timer_set_ms = ssb_chipco_watchdog_timer_set_ms;
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wdt.max_timer_ms = bus->chipco.max_timer_ms;
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} else if (ssb_extif_available(&bus->extif)) {
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wdt.driver_data = &bus->extif;
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wdt.timer_set = ssb_extif_watchdog_timer_set_wdt;
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wdt.timer_set_ms = ssb_extif_watchdog_timer_set_ms;
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wdt.max_timer_ms = SSB_EXTIF_WATCHDOG_MAX_TIMER_MS;
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} else {
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return -ENODEV;
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}
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pdev = platform_device_register_data(NULL, "bcm47xx-wdt",
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bus->busnumber, &wdt,
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sizeof(wdt));
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if (IS_ERR(pdev)) {
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ssb_dbg("can not register watchdog device, err: %li\n",
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PTR_ERR(pdev));
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return PTR_ERR(pdev);
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}
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bus->watchdog = pdev;
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return 0;
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}
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u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
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{
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unsigned long flags;
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u32 res = 0;
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spin_lock_irqsave(&bus->gpio_lock, flags);
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if (ssb_chipco_available(&bus->chipco))
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res = ssb_chipco_gpio_in(&bus->chipco, mask);
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else if (ssb_extif_available(&bus->extif))
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res = ssb_extif_gpio_in(&bus->extif, mask);
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else
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SSB_WARN_ON(1);
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spin_unlock_irqrestore(&bus->gpio_lock, flags);
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return res;
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}
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EXPORT_SYMBOL(ssb_gpio_in);
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u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value)
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{
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unsigned long flags;
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u32 res = 0;
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spin_lock_irqsave(&bus->gpio_lock, flags);
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if (ssb_chipco_available(&bus->chipco))
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res = ssb_chipco_gpio_out(&bus->chipco, mask, value);
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else if (ssb_extif_available(&bus->extif))
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res = ssb_extif_gpio_out(&bus->extif, mask, value);
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else
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SSB_WARN_ON(1);
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spin_unlock_irqrestore(&bus->gpio_lock, flags);
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return res;
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}
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EXPORT_SYMBOL(ssb_gpio_out);
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u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value)
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{
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unsigned long flags;
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u32 res = 0;
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spin_lock_irqsave(&bus->gpio_lock, flags);
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if (ssb_chipco_available(&bus->chipco))
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res = ssb_chipco_gpio_outen(&bus->chipco, mask, value);
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else if (ssb_extif_available(&bus->extif))
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res = ssb_extif_gpio_outen(&bus->extif, mask, value);
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else
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SSB_WARN_ON(1);
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spin_unlock_irqrestore(&bus->gpio_lock, flags);
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return res;
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}
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EXPORT_SYMBOL(ssb_gpio_outen);
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u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value)
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{
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unsigned long flags;
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u32 res = 0;
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spin_lock_irqsave(&bus->gpio_lock, flags);
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if (ssb_chipco_available(&bus->chipco))
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res = ssb_chipco_gpio_control(&bus->chipco, mask, value);
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spin_unlock_irqrestore(&bus->gpio_lock, flags);
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return res;
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}
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EXPORT_SYMBOL(ssb_gpio_control);
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u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value)
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{
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unsigned long flags;
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u32 res = 0;
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spin_lock_irqsave(&bus->gpio_lock, flags);
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if (ssb_chipco_available(&bus->chipco))
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res = ssb_chipco_gpio_intmask(&bus->chipco, mask, value);
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else if (ssb_extif_available(&bus->extif))
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res = ssb_extif_gpio_intmask(&bus->extif, mask, value);
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else
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SSB_WARN_ON(1);
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spin_unlock_irqrestore(&bus->gpio_lock, flags);
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return res;
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}
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EXPORT_SYMBOL(ssb_gpio_intmask);
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u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value)
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{
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unsigned long flags;
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u32 res = 0;
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spin_lock_irqsave(&bus->gpio_lock, flags);
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if (ssb_chipco_available(&bus->chipco))
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res = ssb_chipco_gpio_polarity(&bus->chipco, mask, value);
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else if (ssb_extif_available(&bus->extif))
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res = ssb_extif_gpio_polarity(&bus->extif, mask, value);
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else
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SSB_WARN_ON(1);
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spin_unlock_irqrestore(&bus->gpio_lock, flags);
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return res;
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}
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EXPORT_SYMBOL(ssb_gpio_polarity);
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#ifdef CPTCFG_SSB_DRIVER_GIGE
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static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data)
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{
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struct pci_dev *pdev = (struct pci_dev *)data;
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struct ssb_device *dev;
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unsigned int i;
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int res;
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for (i = 0; i < bus->nr_devices; i++) {
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dev = &(bus->devices[i]);
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if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT)
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continue;
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if (!dev->dev ||
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!dev->dev->driver ||
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!device_is_registered(dev->dev))
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continue;
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res = ssb_gige_pcibios_plat_dev_init(dev, pdev);
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if (res >= 0)
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return res;
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}
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return -ENODEV;
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}
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#endif /* CPTCFG_SSB_DRIVER_GIGE */
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int ssb_pcibios_plat_dev_init(struct pci_dev *dev)
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{
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int err;
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err = ssb_pcicore_plat_dev_init(dev);
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if (!err)
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return 0;
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#ifdef CPTCFG_SSB_DRIVER_GIGE
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err = ssb_for_each_bus_call((unsigned long)dev, gige_pci_init_callback);
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if (err >= 0)
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return err;
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#endif
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/* This is not a PCI device on any SSB device. */
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return -ENODEV;
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}
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#ifdef CPTCFG_SSB_DRIVER_GIGE
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static int gige_map_irq_callback(struct ssb_bus *bus, unsigned long data)
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{
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const struct pci_dev *pdev = (const struct pci_dev *)data;
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struct ssb_device *dev;
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unsigned int i;
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int res;
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for (i = 0; i < bus->nr_devices; i++) {
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dev = &(bus->devices[i]);
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if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT)
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continue;
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if (!dev->dev ||
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!dev->dev->driver ||
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!device_is_registered(dev->dev))
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continue;
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res = ssb_gige_map_irq(dev, pdev);
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if (res >= 0)
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return res;
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}
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return -ENODEV;
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}
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#endif /* CPTCFG_SSB_DRIVER_GIGE */
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int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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int res;
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/* Check if this PCI device is a device on a SSB bus or device
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* and return the IRQ number for it. */
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res = ssb_pcicore_pcibios_map_irq(dev, slot, pin);
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if (res >= 0)
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return res;
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#ifdef CPTCFG_SSB_DRIVER_GIGE
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res = ssb_for_each_bus_call((unsigned long)dev, gige_map_irq_callback);
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if (res >= 0)
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return res;
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#endif
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/* This is not a PCI device on any SSB device. */
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return -ENODEV;
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}
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