Linux-libre 4.5-gnu

1 files changed, 0 insertions, 425 deletions

diff --git a/drivers/net/wireless/cw1200/cw1200_sdio.c b/drivers/net/wireless/cw1200/cw1200_sdio.c
deleted file mode 100644
index aa5d6aa78..000000000
--- a/drivers/net/wireless/cw1200/cw1200_sdio.c
+++ /dev/null
@@ -1,425 +0,0 @@
-/*
- * Mac80211 SDIO driver for ST-Ericsson CW1200 device
- *
- * Copyright (c) 2010, ST-Ericsson
- * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/gpio.h>
-#include <linux/delay.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/sdio_func.h>
-#include <linux/mmc/card.h>
-#include <linux/mmc/sdio.h>
-#include <net/mac80211.h>
-
-#include "cw1200.h"
-#include "hwbus.h"
-#include <linux/platform_data/net-cw1200.h>
-#include "hwio.h"
-
-MODULE_AUTHOR("Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>");
-MODULE_DESCRIPTION("mac80211 ST-Ericsson CW1200 SDIO driver");
-MODULE_LICENSE("GPL");
-
-#define SDIO_BLOCK_SIZE (512)
-
-/* Default platform data for Sagrad modules */
-static struct cw1200_platform_data_sdio sagrad_109x_evk_platform_data = {
-	.ref_clk = 38400,
-	.have_5ghz = false,
-	.sdd_file = "/*(DEBLOBBED)*/",
-};
-
-/* Allow platform data to be overridden */
-static struct cw1200_platform_data_sdio *global_plat_data = &sagrad_109x_evk_platform_data;
-
-void __init cw1200_sdio_set_platform_data(struct cw1200_platform_data_sdio *pdata)
-{
-	global_plat_data = pdata;
-}
-
-struct hwbus_priv {
-	struct sdio_func	*func;
-	struct cw1200_common	*core;
-	const struct cw1200_platform_data_sdio *pdata;
-};
-
-#ifndef SDIO_VENDOR_ID_STE
-#define SDIO_VENDOR_ID_STE		0x0020
-#endif
-
-#ifndef SDIO_DEVICE_ID_STE_CW1200
-#define SDIO_DEVICE_ID_STE_CW1200	0x2280
-#endif
-
-static const struct sdio_device_id cw1200_sdio_ids[] = {
-	{ SDIO_DEVICE(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200) },
-	{ /* end: all zeroes */			},
-};
-
-/* hwbus_ops implemetation */
-
-static int cw1200_sdio_memcpy_fromio(struct hwbus_priv *self,
-				     unsigned int addr,
-				     void *dst, int count)
-{
-	return sdio_memcpy_fromio(self->func, dst, addr, count);
-}
-
-static int cw1200_sdio_memcpy_toio(struct hwbus_priv *self,
-				   unsigned int addr,
-				   const void *src, int count)
-{
-	return sdio_memcpy_toio(self->func, addr, (void *)src, count);
-}
-
-static void cw1200_sdio_lock(struct hwbus_priv *self)
-{
-	sdio_claim_host(self->func);
-}
-
-static void cw1200_sdio_unlock(struct hwbus_priv *self)
-{
-	sdio_release_host(self->func);
-}
-
-static void cw1200_sdio_irq_handler(struct sdio_func *func)
-{
-	struct hwbus_priv *self = sdio_get_drvdata(func);
-
-	/* note:  sdio_host already claimed here. */
-	if (self->core)
-		cw1200_irq_handler(self->core);
-}
-
-static irqreturn_t cw1200_gpio_hardirq(int irq, void *dev_id)
-{
-	return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t cw1200_gpio_irq(int irq, void *dev_id)
-{
-	struct hwbus_priv *self = dev_id;
-
-	if (self->core) {
-		cw1200_sdio_lock(self);
-		cw1200_irq_handler(self->core);
-		cw1200_sdio_unlock(self);
-		return IRQ_HANDLED;
-	} else {
-		return IRQ_NONE;
-	}
-}
-
-static int cw1200_request_irq(struct hwbus_priv *self)
-{
-	int ret;
-	u8 cccr;
-
-	cccr = sdio_f0_readb(self->func, SDIO_CCCR_IENx, &ret);
-	if (WARN_ON(ret))
-		goto err;
-
-	/* Master interrupt enable ... */
-	cccr |= BIT(0);
-
-	/* ... for our function */
-	cccr |= BIT(self->func->num);
-
-	sdio_f0_writeb(self->func, cccr, SDIO_CCCR_IENx, &ret);
-	if (WARN_ON(ret))
-		goto err;
-
-	ret = enable_irq_wake(self->pdata->irq);
-	if (WARN_ON(ret))
-		goto err;
-
-	/* Request the IRQ */
-	ret =  request_threaded_irq(self->pdata->irq, cw1200_gpio_hardirq,
-				    cw1200_gpio_irq,
-				    IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
-				    "cw1200_wlan_irq", self);
-	if (WARN_ON(ret))
-		goto err;
-
-	return 0;
-
-err:
-	return ret;
-}
-
-static int cw1200_sdio_irq_subscribe(struct hwbus_priv *self)
-{
-	int ret = 0;
-
-	pr_debug("SW IRQ subscribe\n");
-	sdio_claim_host(self->func);
-	if (self->pdata->irq)
-		ret = cw1200_request_irq(self);
-	else
-		ret = sdio_claim_irq(self->func, cw1200_sdio_irq_handler);
-
-	sdio_release_host(self->func);
-	return ret;
-}
-
-static int cw1200_sdio_irq_unsubscribe(struct hwbus_priv *self)
-{
-	int ret = 0;
-
-	pr_debug("SW IRQ unsubscribe\n");
-
-	if (self->pdata->irq) {
-		disable_irq_wake(self->pdata->irq);
-		free_irq(self->pdata->irq, self);
-	} else {
-		sdio_claim_host(self->func);
-		ret = sdio_release_irq(self->func);
-		sdio_release_host(self->func);
-	}
-	return ret;
-}
-
-static int cw1200_sdio_off(const struct cw1200_platform_data_sdio *pdata)
-{
-	if (pdata->reset) {
-		gpio_set_value(pdata->reset, 0);
-		msleep(30); /* Min is 2 * CLK32K cycles */
-		gpio_free(pdata->reset);
-	}
-
-	if (pdata->power_ctrl)
-		pdata->power_ctrl(pdata, false);
-	if (pdata->clk_ctrl)
-		pdata->clk_ctrl(pdata, false);
-
-	return 0;
-}
-
-static int cw1200_sdio_on(const struct cw1200_platform_data_sdio *pdata)
-{
-	/* Ensure I/Os are pulled low */
-	if (pdata->reset) {
-		gpio_request(pdata->reset, "cw1200_wlan_reset");
-		gpio_direction_output(pdata->reset, 0);
-	}
-	if (pdata->powerup) {
-		gpio_request(pdata->powerup, "cw1200_wlan_powerup");
-		gpio_direction_output(pdata->powerup, 0);
-	}
-	if (pdata->reset || pdata->powerup)
-		msleep(10); /* Settle time? */
-
-	/* Enable 3v3 and 1v8 to hardware */
-	if (pdata->power_ctrl) {
-		if (pdata->power_ctrl(pdata, true)) {
-			pr_err("power_ctrl() failed!\n");
-			return -1;
-		}
-	}
-
-	/* Enable CLK32K */
-	if (pdata->clk_ctrl) {
-		if (pdata->clk_ctrl(pdata, true)) {
-			pr_err("clk_ctrl() failed!\n");
-			return -1;
-		}
-		msleep(10); /* Delay until clock is stable for 2 cycles */
-	}
-
-	/* Enable POWERUP signal */
-	if (pdata->powerup) {
-		gpio_set_value(pdata->powerup, 1);
-		msleep(250); /* or more..? */
-	}
-	/* Enable RSTn signal */
-	if (pdata->reset) {
-		gpio_set_value(pdata->reset, 1);
-		msleep(50); /* Or more..? */
-	}
-	return 0;
-}
-
-static size_t cw1200_sdio_align_size(struct hwbus_priv *self, size_t size)
-{
-	if (self->pdata->no_nptb)
-		size = round_up(size, SDIO_BLOCK_SIZE);
-	else
-		size = sdio_align_size(self->func, size);
-
-	return size;
-}
-
-static int cw1200_sdio_pm(struct hwbus_priv *self, bool suspend)
-{
-	int ret = 0;
-
-	if (self->pdata->irq)
-		ret = irq_set_irq_wake(self->pdata->irq, suspend);
-	return ret;
-}
-
-static struct hwbus_ops cw1200_sdio_hwbus_ops = {
-	.hwbus_memcpy_fromio	= cw1200_sdio_memcpy_fromio,
-	.hwbus_memcpy_toio	= cw1200_sdio_memcpy_toio,
-	.lock			= cw1200_sdio_lock,
-	.unlock			= cw1200_sdio_unlock,
-	.align_size		= cw1200_sdio_align_size,
-	.power_mgmt		= cw1200_sdio_pm,
-};
-
-/* Probe Function to be called by SDIO stack when device is discovered */
-static int cw1200_sdio_probe(struct sdio_func *func,
-			     const struct sdio_device_id *id)
-{
-	struct hwbus_priv *self;
-	int status;
-
-	pr_info("cw1200_wlan_sdio: Probe called\n");
-
-	/* We are only able to handle the wlan function */
-	if (func->num != 0x01)
-		return -ENODEV;
-
-	self = kzalloc(sizeof(*self), GFP_KERNEL);
-	if (!self) {
-		pr_err("Can't allocate SDIO hwbus_priv.\n");
-		return -ENOMEM;
-	}
-
-	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
-
-	self->pdata = global_plat_data; /* FIXME */
-	self->func = func;
-	sdio_set_drvdata(func, self);
-	sdio_claim_host(func);
-	sdio_enable_func(func);
-	sdio_release_host(func);
-
-	status = cw1200_sdio_irq_subscribe(self);
-
-	status = cw1200_core_probe(&cw1200_sdio_hwbus_ops,
-				   self, &func->dev, &self->core,
-				   self->pdata->ref_clk,
-				   self->pdata->macaddr,
-				   self->pdata->sdd_file,
-				   self->pdata->have_5ghz);
-	if (status) {
-		cw1200_sdio_irq_unsubscribe(self);
-		sdio_claim_host(func);
-		sdio_disable_func(func);
-		sdio_release_host(func);
-		sdio_set_drvdata(func, NULL);
-		kfree(self);
-	}
-
-	return status;
-}
-
-/* Disconnect Function to be called by SDIO stack when
- * device is disconnected
- */
-static void cw1200_sdio_disconnect(struct sdio_func *func)
-{
-	struct hwbus_priv *self = sdio_get_drvdata(func);
-
-	if (self) {
-		cw1200_sdio_irq_unsubscribe(self);
-		if (self->core) {
-			cw1200_core_release(self->core);
-			self->core = NULL;
-		}
-		sdio_claim_host(func);
-		sdio_disable_func(func);
-		sdio_release_host(func);
-		sdio_set_drvdata(func, NULL);
-		kfree(self);
-	}
-}
-
-#ifdef CONFIG_PM
-static int cw1200_sdio_suspend(struct device *dev)
-{
-	int ret;
-	struct sdio_func *func = dev_to_sdio_func(dev);
-	struct hwbus_priv *self = sdio_get_drvdata(func);
-
-	if (!cw1200_can_suspend(self->core))
-		return -EAGAIN;
-
-	/* Notify SDIO that CW1200 will remain powered during suspend */
-	ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
-	if (ret)
-		pr_err("Error setting SDIO pm flags: %i\n", ret);
-
-	return ret;
-}
-
-static int cw1200_sdio_resume(struct device *dev)
-{
-	return 0;
-}
-
-static const struct dev_pm_ops cw1200_pm_ops = {
-	.suspend = cw1200_sdio_suspend,
-	.resume = cw1200_sdio_resume,
-};
-#endif
-
-static struct sdio_driver sdio_driver = {
-	.name		= "cw1200_wlan_sdio",
-	.id_table	= cw1200_sdio_ids,
-	.probe		= cw1200_sdio_probe,
-	.remove		= cw1200_sdio_disconnect,
-#ifdef CONFIG_PM
-	.drv = {
-		.pm = &cw1200_pm_ops,
-	}
-#endif
-};
-
-/* Init Module function -> Called by insmod */
-static int __init cw1200_sdio_init(void)
-{
-	const struct cw1200_platform_data_sdio *pdata;
-	int ret;
-
-	/* FIXME -- this won't support multiple devices */
-	pdata = global_plat_data;
-
-	if (cw1200_sdio_on(pdata)) {
-		ret = -1;
-		goto err;
-	}
-
-	ret = sdio_register_driver(&sdio_driver);
-	if (ret)
-		goto err;
-
-	return 0;
-
-err:
-	cw1200_sdio_off(pdata);
-	return ret;
-}
-
-/* Called at Driver Unloading */
-static void __exit cw1200_sdio_exit(void)
-{
-	const struct cw1200_platform_data_sdio *pdata;
-
-	/* FIXME -- this won't support multiple devices */
-	pdata = global_plat_data;
-	sdio_unregister_driver(&sdio_driver);
-	cw1200_sdio_off(pdata);
-}
-
-
-module_init(cw1200_sdio_init);
-module_exit(cw1200_sdio_exit);