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Commit 5da7b2e0 authored by John W. Linville's avatar John W. Linville
Browse files

i2400m: remove SDIO device support 



SDIO support in this driver was intended to support the iwmc3200
device.  This hardware never became available to normal humans.
Leaving this driver imposes unwelcome maintenance costs for no clear
benefit.

Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
Acked-by: default avatarInaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
parent 650cef38

drivers/net/wimax/i2400m/Kconfig

+0 −22
Original line number Diff line number Diff line
@@ -7,9 +7,6 @@ config WIMAX_I2400M 
comment "Enable USB support to see WiMAX USB drivers"

	depends on USB = n



comment "Enable MMC support to see WiMAX SDIO drivers"

	depends on MMC = n



config WIMAX_I2400M_USB

	tristate "Intel Wireless WiMAX Connection 2400 over USB (including 5x50)"

	depends on WIMAX && USB
@@ -21,25 +18,6 @@ config WIMAX_I2400M_USB 


	  If unsure, it is safe to select M (module).



config WIMAX_I2400M_SDIO

	tristate "Intel Wireless WiMAX Connection 2400 over SDIO"

	depends on WIMAX && MMC

	select WIMAX_I2400M

	help

	  Select if you have a device based on the Intel WiMAX

	  Connection 2400 over SDIO.



	  If unsure, it is safe to select M (module).



config WIMAX_IWMC3200_SDIO

	bool "Intel Wireless Multicom WiMAX Connection 3200 over SDIO (EXPERIMENTAL)"

	depends on WIMAX_I2400M_SDIO

	depends on EXPERIMENTAL

	select IWMC3200TOP

	help

	  Select if you have a device based on the Intel Multicom WiMAX

          Connection 3200 over SDIO.



config WIMAX_I2400M_DEBUG_LEVEL

	int "WiMAX i2400m debug level"

	depends on WIMAX_I2400M

drivers/net/wimax/i2400m/Makefile

+0 −8
Original line number Diff line number Diff line 


obj-$(CONFIG_WIMAX_I2400M) += i2400m.o

obj-$(CONFIG_WIMAX_I2400M_USB) += i2400m-usb.o

obj-$(CONFIG_WIMAX_I2400M_SDIO) += i2400m-sdio.o



i2400m-y :=		\

	control.o	\
@@ -21,10 +20,3 @@ i2400m-usb-y := \ 
	usb-tx.o		\

	usb-rx.o		\

	usb.o
 




i2400m-sdio-y := 		\

	sdio.o      		\

	sdio-tx.o   		\

	sdio-fw.o	 	\

	sdio-rx.o

drivers/net/wimax/i2400m/driver.c

+1 −2
Original line number Diff line number Diff line
@@ -754,8 +754,7 @@ EXPORT_SYMBOL_GPL(i2400m_error_recovery); 
/*

 * Alloc the command and ack buffers for boot mode

 *

 * Get the buffers needed to deal with boot mode messages.  These

 * buffers need to be allocated before the sdio receive irq is setup.

 * Get the buffers needed to deal with boot mode messages.

 */

static

int i2400m_bm_buf_alloc(struct i2400m *i2400m)

drivers/net/wimax/i2400m/fw.c

+1 −2
Original line number Diff line number Diff line
@@ -51,8 +51,7 @@ 
 * firmware. Normal hardware takes only signed firmware.

 *

 * On boot mode, in USB, we write to the device using the bulk out

 * endpoint and read from it in the notification endpoint. In SDIO we

 * talk to it via the write address and read from the read address.

 * endpoint and read from it in the notification endpoint.

 *

 * Upon entrance to boot mode, the device sends (preceded with a few

 * zero length packets (ZLPs) on the notification endpoint in USB) a

drivers/net/wimax/i2400m/i2400m-sdio.h

deleted100644 → 0
+0 −157
Original line number Diff line number Diff line 
/*

 * Intel Wireless WiMAX Connection 2400m

 * SDIO-specific i2400m driver definitions

 *

 *

 * Copyright (C) 2007-2008 Intel Corporation. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 *   * Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 *   * Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in

 *     the documentation and/or other materials provided with the

 *     distribution.

 *   * Neither the name of Intel Corporation nor the names of its

 *     contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 *

 * Intel Corporation <linux-wimax@intel.com>

 * Brian Bian <brian.bian@intel.com>

 * Dirk Brandewie <dirk.j.brandewie@intel.com>

 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>

 * Yanir Lubetkin <yanirx.lubetkin@intel.com>

 *  - Initial implementation

 *

 *

 * This driver implements the bus-specific part of the i2400m for

 * SDIO. Check i2400m.h for a generic driver description.

 *

 * ARCHITECTURE

 *

 * This driver sits under the bus-generic i2400m driver, providing the

 * connection to the device.

 *

 * When probed, all the function pointers are setup and then the

 * bus-generic code called. The generic driver will then use the

 * provided pointers for uploading firmware (i2400ms_bus_bm*() in

 * sdio-fw.c) and then setting up the device (i2400ms_dev_*() in

 * sdio.c).

 *

 * Once firmware is uploaded, TX functions (sdio-tx.c) are called when

 * data is ready for transmission in the TX fifo; then the SDIO IRQ is

 * fired and data is available (sdio-rx.c), it is sent to the generic

 * driver for processing with i2400m_rx.

 */



#ifndef __I2400M_SDIO_H__

#define __I2400M_SDIO_H__



#include "i2400m.h"



/* Host-Device interface for SDIO */

enum {

	I2400M_SDIO_BOOT_RETRIES = 3,

	I2400MS_BLK_SIZE = 256,

	I2400MS_PL_SIZE_MAX = 0x3E00,



	I2400MS_DATA_ADDR = 0x0,

	I2400MS_INTR_STATUS_ADDR = 0x13,

	I2400MS_INTR_CLEAR_ADDR = 0x13,

	I2400MS_INTR_ENABLE_ADDR = 0x14,

	I2400MS_INTR_GET_SIZE_ADDR = 0x2C,

	/* The number of ticks to wait for the device to signal that

	 * it is ready */

	I2400MS_INIT_SLEEP_INTERVAL = 100,

	/* How long to wait for the device to settle after reset */

	I2400MS_SETTLE_TIME = 40,

	/* The number of msec to wait for IOR after sending IOE */

	IWMC3200_IOR_TIMEOUT = 10,

};





/**

 * struct i2400ms - descriptor for a SDIO connected i2400m

 *

 * @i2400m: bus-generic i2400m implementation; has to be first (see

 *     it's documentation in i2400m.h).

 *

 * @func: pointer to our SDIO function

 *

 * @tx_worker: workqueue struct used to TX data when the bus-generic

 *     code signals packets are pending for transmission to the device.

 *

 * @tx_workqueue: workqeueue used for data TX; we don't use the

 *     system's workqueue as that might cause deadlocks with code in

 *     the bus-generic driver. The read/write operation to the queue

 *     is protected with spinlock (tx_lock in struct i2400m) to avoid

 *     the queue being destroyed in the middle of a the queue read/write

 *     operation.

 *

 * @debugfs_dentry: dentry for the SDIO specific debugfs files

 *

 *     Note this value is set to NULL upon destruction; this is

 *     because some routinges use it to determine if we are inside the

 *     probe() path or some other path. When debugfs is disabled,

 *     creation sets the dentry to '(void*) -ENODEV', which is valid

 *     for the test.

 */

struct i2400ms {

	struct i2400m i2400m;		/* FIRST! See doc */

	struct sdio_func *func;



	struct work_struct tx_worker;

	struct workqueue_struct *tx_workqueue;

	char tx_wq_name[32];



	struct dentry *debugfs_dentry;



	wait_queue_head_t bm_wfa_wq;

	int bm_wait_result;

	size_t bm_ack_size;



	/* Device is any of the iwmc3200 SKUs */

	unsigned iwmc3200:1;

};





static inline

void i2400ms_init(struct i2400ms *i2400ms)

{

	i2400m_init(&i2400ms->i2400m);

}





extern int i2400ms_rx_setup(struct i2400ms *);

extern void i2400ms_rx_release(struct i2400ms *);



extern int i2400ms_tx_setup(struct i2400ms *);

extern void i2400ms_tx_release(struct i2400ms *);

extern void i2400ms_bus_tx_kick(struct i2400m *);



extern ssize_t i2400ms_bus_bm_cmd_send(struct i2400m *,

				       const struct i2400m_bootrom_header *,

				       size_t, int);

extern ssize_t i2400ms_bus_bm_wait_for_ack(struct i2400m *,

					   struct i2400m_bootrom_header *,

					   size_t);

extern void i2400ms_bus_bm_release(struct i2400m *);

extern int i2400ms_bus_bm_setup(struct i2400m *);



#endif /* #ifndef __I2400M_SDIO_H__ */