diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c deleted file mode 100644 index 465f623760f3..000000000000 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c +++ /dev/null @@ -1,386 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/** - * @file bcmsdh_linux.c - */ - -#define __UNDEF_NO_VERSION__ - -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <linux/completion.h> - -#include <pcicfg.h> -#include <bcmdefs.h> -#include <bcmdevs.h> -#include <bcmutils.h> - -#if defined(OOB_INTR_ONLY) -#include <linux/irq.h> -extern void dhdsdio_isr(void *args); -#include <dngl_stats.h> -#include <dhd.h> -#endif /* defined(OOB_INTR_ONLY) */ -#if defined(CONFIG_MACH_SANDGATE2G) || defined(CONFIG_MACH_LOGICPD_PXA270) -#if !defined(BCMPLATFORM_BUS) -#define BCMPLATFORM_BUS -#endif /* !defined(BCMPLATFORM_BUS) */ - -#include <linux/platform_device.h> -#endif /* CONFIG_MACH_SANDGATE2G */ - -#include "dngl_stats.h" -#include "dhd.h" - -/** - * SDIO Host Controller info - */ -typedef struct bcmsdh_hc bcmsdh_hc_t; - -struct bcmsdh_hc { - bcmsdh_hc_t *next; -#ifdef BCMPLATFORM_BUS - struct device *dev; /* platform device handle */ -#else - struct pci_dev *dev; /* pci device handle */ -#endif /* BCMPLATFORM_BUS */ - void *regs; /* SDIO Host Controller address */ - bcmsdh_info_t *sdh; /* SDIO Host Controller handle */ - void *ch; - unsigned int oob_irq; - unsigned long oob_flags; /* OOB Host specifiction - as edge and etc */ - bool oob_irq_registered; -#if defined(OOB_INTR_ONLY) - spinlock_t irq_lock; -#endif -}; -static bcmsdh_hc_t *sdhcinfo; - -/* driver info, initialized when bcmsdh_register is called */ -static bcmsdh_driver_t drvinfo = { NULL, NULL }; - -/* debugging macros */ -#define SDLX_MSG(x) - -/** - * Checks to see if vendor and device IDs match a supported SDIO Host Controller. - */ -bool bcmsdh_chipmatch(u16 vendor, u16 device) -{ - /* Add other vendors and devices as required */ - -#ifdef BCMSDIOH_STD - /* Check for Arasan host controller */ - if (vendor == VENDOR_SI_IMAGE) - return true; - - /* Check for BRCM 27XX Standard host controller */ - if (device == BCM27XX_SDIOH_ID && vendor == PCI_VENDOR_ID_BROADCOM) - return true; - - /* Check for BRCM Standard host controller */ - if (device == SDIOH_FPGA_ID && vendor == PCI_VENDOR_ID_BROADCOM) - return true; - - /* Check for TI PCIxx21 Standard host controller */ - if (device == PCIXX21_SDIOH_ID && vendor == VENDOR_TI) - return true; - - if (device == PCIXX21_SDIOH0_ID && vendor == VENDOR_TI) - return true; - - /* Ricoh R5C822 Standard SDIO Host */ - if (device == R5C822_SDIOH_ID && vendor == VENDOR_RICOH) - return true; - - /* JMicron Standard SDIO Host */ - if (device == JMICRON_SDIOH_ID && vendor == VENDOR_JMICRON) - return true; -#endif /* BCMSDIOH_STD */ -#ifdef BCMSDIOH_SPI - /* This is the PciSpiHost. */ - if (device == SPIH_FPGA_ID && vendor == PCI_VENDOR_ID_BROADCOM) { - return true; - } -#endif /* BCMSDIOH_SPI */ - - return false; -} - -#if defined(BCMPLATFORM_BUS) -#if defined(BCMLXSDMMC) -/* forward declarations */ -int bcmsdh_probe(struct device *dev); -EXPORT_SYMBOL(bcmsdh_probe); - -int bcmsdh_remove(struct device *dev); -EXPORT_SYMBOL(bcmsdh_remove); - -#else -/* forward declarations */ -static int __devinit bcmsdh_probe(struct device *dev); -static int __devexit bcmsdh_remove(struct device *dev); -#endif /* BCMLXSDMMC */ - -#ifndef BCMLXSDMMC -static -#endif /* BCMLXSDMMC */ -int bcmsdh_probe(struct device *dev) -{ - bcmsdh_hc_t *sdhc = NULL; - unsigned long regs = 0; - bcmsdh_info_t *sdh = NULL; -#if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS) - struct platform_device *pdev; - struct resource *r; -#endif /* BCMLXSDMMC */ - int irq = 0; - u32 vendevid; - unsigned long irq_flags = 0; - -#if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS) - pdev = to_platform_device(dev); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irq = platform_get_irq(pdev, 0); - if (!r || irq == NO_IRQ) - return -ENXIO; -#endif /* BCMLXSDMMC */ - -#if defined(OOB_INTR_ONLY) -#ifdef HW_OOB - irq_flags = - IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | - IORESOURCE_IRQ_SHAREABLE; -#else - irq_flags = IRQF_TRIGGER_FALLING; -#endif /* HW_OOB */ - irq = dhd_customer_oob_irq_map(&irq_flags); - if (irq < 0) { - SDLX_MSG(("%s: Host irq is not defined\n", __func__)); - return 1; - } -#endif /* defined(OOB_INTR_ONLY) */ - /* allocate SDIO Host Controller state info */ - sdhc = kzalloc(sizeof(bcmsdh_hc_t), GFP_ATOMIC); - if (!sdhc) { - SDLX_MSG(("%s: out of memory\n", __func__)); - goto err; - } - sdhc->dev = (void *)dev; - -#ifdef BCMLXSDMMC - sdh = bcmsdh_attach((void *)0, (void **)®s, irq); - if (!sdh) { - SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__)); - goto err; - } -#else - sdh = bcmsdh_attach((void *)r->start, (void **)®s, irq); - if (!sdh) { - SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__)); - goto err; - } -#endif /* BCMLXSDMMC */ - sdhc->sdh = sdh; - sdhc->oob_irq = irq; - sdhc->oob_flags = irq_flags; - sdhc->oob_irq_registered = false; /* to make sure.. */ -#if defined(OOB_INTR_ONLY) - spin_lock_init(&sdhc->irq_lock); -#endif - - /* chain SDIO Host Controller info together */ - sdhc->next = sdhcinfo; - sdhcinfo = sdhc; - /* Read the vendor/device ID from the CIS */ - vendevid = bcmsdh_query_device(sdh); - - /* try to attach to the target device */ - sdhc->ch = drvinfo.attach((vendevid >> 16), (vendevid & 0xFFFF), - 0, 0, 0, 0, (void *)regs, sdh); - if (!sdhc->ch) { - SDLX_MSG(("%s: device attach failed\n", __func__)); - goto err; - } - - return 0; - - /* error handling */ -err: - if (sdhc) { - if (sdhc->sdh) - bcmsdh_detach(sdhc->sdh); - kfree(sdhc); - } - - return -ENODEV; -} - -#ifndef BCMLXSDMMC -static -#endif /* BCMLXSDMMC */ -int bcmsdh_remove(struct device *dev) -{ - bcmsdh_hc_t *sdhc, *prev; - - sdhc = sdhcinfo; - drvinfo.detach(sdhc->ch); - bcmsdh_detach(sdhc->sdh); - /* find the SDIO Host Controller state for this pdev - and take it out from the list */ - for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) { - if (sdhc->dev == (void *)dev) { - if (prev) - prev->next = sdhc->next; - else - sdhcinfo = NULL; - break; - } - prev = sdhc; - } - if (!sdhc) { - SDLX_MSG(("%s: failed\n", __func__)); - return 0; - } - - /* release SDIO Host Controller info */ - kfree(sdhc); - -#if !defined(BCMLXSDMMC) - dev_set_drvdata(dev, NULL); -#endif /* !defined(BCMLXSDMMC) */ - - return 0; -} -#endif /* BCMPLATFORM_BUS */ - -extern int sdio_function_init(void); - -int bcmsdh_register(bcmsdh_driver_t *driver) -{ - drvinfo = *driver; - - SDLX_MSG(("Linux Kernel SDIO/MMC Driver\n")); - return sdio_function_init(); -} - -extern void sdio_function_cleanup(void); - -void bcmsdh_unregister(void) -{ - sdio_function_cleanup(); -} - -#if defined(OOB_INTR_ONLY) -void bcmsdh_oob_intr_set(bool enable) -{ - static bool curstate = 1; - unsigned long flags; - - spin_lock_irqsave(&sdhcinfo->irq_lock, flags); - if (curstate != enable) { - if (enable) - enable_irq(sdhcinfo->oob_irq); - else - disable_irq_nosync(sdhcinfo->oob_irq); - curstate = enable; - } - spin_unlock_irqrestore(&sdhcinfo->irq_lock, flags); -} - -static irqreturn_t wlan_oob_irq(int irq, void *dev_id) -{ - dhd_pub_t *dhdp; - - dhdp = (dhd_pub_t *) dev_get_drvdata(sdhcinfo->dev); - - bcmsdh_oob_intr_set(0); - - if (dhdp == NULL) { - SDLX_MSG(("Out of band GPIO interrupt fired way too early\n")); - return IRQ_HANDLED; - } - - dhdsdio_isr((void *)dhdp->bus); - - return IRQ_HANDLED; -} - -int bcmsdh_register_oob_intr(void *dhdp) -{ - int error = 0; - - SDLX_MSG(("%s Enter\n", __func__)); - - sdhcinfo->oob_flags = - IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | - IORESOURCE_IRQ_SHAREABLE; - dev_set_drvdata(sdhcinfo->dev, dhdp); - - if (!sdhcinfo->oob_irq_registered) { - SDLX_MSG(("%s IRQ=%d Type=%X\n", __func__, - (int)sdhcinfo->oob_irq, (int)sdhcinfo->oob_flags)); - /* Refer to customer Host IRQ docs about - proper irqflags definition */ - error = - request_irq(sdhcinfo->oob_irq, wlan_oob_irq, - sdhcinfo->oob_flags, "bcmsdh_sdmmc", NULL); - if (error) - return -ENODEV; - - irq_set_irq_wake(sdhcinfo->oob_irq, 1); - sdhcinfo->oob_irq_registered = true; - } - - return 0; -} - -void bcmsdh_unregister_oob_intr(void) -{ - SDLX_MSG(("%s: Enter\n", __func__)); - - irq_set_irq_wake(sdhcinfo->oob_irq, 0); - disable_irq(sdhcinfo->oob_irq); /* just in case.. */ - free_irq(sdhcinfo->oob_irq, NULL); - sdhcinfo->oob_irq_registered = false; -} -#endif /* defined(OOB_INTR_ONLY) */ -/* Module parameters specific to each host-controller driver */ - -extern uint sd_msglevel; /* Debug message level */ -module_param(sd_msglevel, uint, 0); - -extern uint sd_power; /* 0 = SD Power OFF, - 1 = SD Power ON. */ -module_param(sd_power, uint, 0); - -extern uint sd_clock; /* SD Clock Control, 0 = SD Clock OFF, - 1 = SD Clock ON */ -module_param(sd_clock, uint, 0); - -extern uint sd_divisor; /* Divisor (-1 means external clock) */ -module_param(sd_divisor, uint, 0); - -extern uint sd_sdmode; /* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */ -module_param(sd_sdmode, uint, 0); - -extern uint sd_hiok; /* Ok to use hi-speed mode */ -module_param(sd_hiok, uint, 0); - -extern uint sd_f2_blocksize; -module_param(sd_f2_blocksize, int, 0); |