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Commit 02741b8a authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

pcmcia: remove blackfin driver 



The blackfin architecture is getting removed, so this one is no
longer needed either.

Acked-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
Acked-by: default avatarAaron Wu <aaron.wu@analog.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 10a27a29

drivers/pcmcia/Kconfig

+0 −7
Original line number Diff line number Diff line
@@ -247,13 +247,6 @@ config OMAP_CF 
	  Say Y here to support the CompactFlash controller on OMAP.

	  Note that this doesn't support "True IDE" mode.



config BFIN_CFPCMCIA

	tristate "Blackfin CompactFlash PCMCIA Driver"

	depends on PCMCIA && BLACKFIN

	help

	  Say Y here to support the CompactFlash PCMCIA driver for Blackfin.





config AT91_CF

	tristate "AT91 CompactFlash Controller"

	depends on PCI

drivers/pcmcia/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -32,7 +32,6 @@ obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o 
obj-$(CONFIG_PCMCIA_VRC4171)			+= vrc4171_card.o

obj-$(CONFIG_PCMCIA_VRC4173)			+= vrc4173_cardu.o

obj-$(CONFIG_OMAP_CF)				+= omap_cf.o

obj-$(CONFIG_BFIN_CFPCMCIA)			+= bfin_cf_pcmcia.o

obj-$(CONFIG_AT91_CF)				+= at91_cf.o

obj-$(CONFIG_ELECTRA_CF)			+= electra_cf.o

obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD)		+= db1xxx_ss.o

drivers/pcmcia/bfin_cf_pcmcia.c

deleted100644 → 0
+0 −316
Original line number Diff line number Diff line 
/*

 * file: drivers/pcmcia/bfin_cf.c

 *

 * based on: drivers/pcmcia/omap_cf.c

 * omap_cf.c -- OMAP 16xx CompactFlash controller driver

 *

 * Copyright (c) 2005 David Brownell

 * Copyright (c) 2006-2008 Michael Hennerich Analog Devices Inc.

 *

 * bugs:         enter bugs at http://blackfin.uclinux.org/

 *

 * this program is free software; you can redistribute it and/or modify

 * it under the terms of the gnu general public license as published by

 * the free software foundation; either version 2, or (at your option)

 * any later version.

 *

 * this program is distributed in the hope that it will be useful,

 * but without any warranty; without even the implied warranty of

 * merchantability or fitness for a particular purpose.  see the

 * gnu general public license for more details.

 *

 * you should have received a copy of the gnu general public license

 * along with this program; see the file copying.

 * if not, write to the free software foundation,

 * 59 temple place - suite 330, boston, ma 02111-1307, usa.

 */



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/sched.h>

#include <linux/platform_device.h>

#include <linux/errno.h>

#include <linux/init.h>

#include <linux/slab.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/io.h>

#include <linux/gpio.h>



#include <pcmcia/ss.h>

#include <pcmcia/cisreg.h>



#define	SZ_1K	0x00000400

#define	SZ_8K	0x00002000

#define	SZ_2K	(2 * SZ_1K)



#define	POLL_INTERVAL	(2 * HZ)



#define	CF_ATASEL_ENA 	0x20311802	/* Inverts RESET */

#define	CF_ATASEL_DIS 	0x20311800



#define bfin_cf_present(pfx) (gpio_get_value(pfx))



/*--------------------------------------------------------------------------*/



static const char driver_name[] = "bfin_cf_pcmcia";



struct bfin_cf_socket {

	struct pcmcia_socket socket;



	struct timer_list timer;

	unsigned present:1;

	unsigned active:1;



	struct platform_device *pdev;

	unsigned long phys_cf_io;

	unsigned long phys_cf_attr;

	u_int irq;

	u_short cd_pfx;

};



/*--------------------------------------------------------------------------*/

static int bfin_cf_reset(void)

{

	outw(0, CF_ATASEL_ENA);

	mdelay(200);

	outw(0, CF_ATASEL_DIS);



	return 0;

}



static int bfin_cf_ss_init(struct pcmcia_socket *s)

{

	return 0;

}



/* the timer is primarily to kick this socket's pccardd */

static void bfin_cf_timer(struct timer_list *t)

{

	struct bfin_cf_socket *cf = from_timer(cf, t, timer);

	unsigned short present = bfin_cf_present(cf->cd_pfx);



	if (present != cf->present) {

		cf->present = present;

		dev_dbg(&cf->pdev->dev, ": card %s\n",

			 present ? "present" : "gone");

		pcmcia_parse_events(&cf->socket, SS_DETECT);

	}



	if (cf->active)

		mod_timer(&cf->timer, jiffies + POLL_INTERVAL);

}



static int bfin_cf_get_status(struct pcmcia_socket *s, u_int *sp)

{

	struct bfin_cf_socket *cf;



	if (!sp)

		return -EINVAL;



	cf = container_of(s, struct bfin_cf_socket, socket);



	if (bfin_cf_present(cf->cd_pfx)) {

		*sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD;

		s->pcmcia_irq = 0;

		s->pci_irq = cf->irq;



	} else

		*sp = 0;

	return 0;

}



static int

bfin_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s)

{



	struct bfin_cf_socket *cf;

	cf = container_of(sock, struct bfin_cf_socket, socket);



	switch (s->Vcc) {

	case 0:

	case 33:

		break;

	case 50:

		break;

	default:

		return -EINVAL;

	}



	if (s->flags & SS_RESET) {

		disable_irq(cf->irq);

		bfin_cf_reset();

		enable_irq(cf->irq);

	}



	dev_dbg(&cf->pdev->dev, ": Vcc %d, io_irq %d, flags %04x csc %04x\n",

		 s->Vcc, s->io_irq, s->flags, s->csc_mask);



	return 0;

}



static int bfin_cf_ss_suspend(struct pcmcia_socket *s)

{

	return bfin_cf_set_socket(s, &dead_socket);

}



/* regions are 2K each:  mem, attrib, io (and reserved-for-ide) */



static int bfin_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)

{

	struct bfin_cf_socket *cf;



	cf = container_of(s, struct bfin_cf_socket, socket);

	io->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT;

	io->start = cf->phys_cf_io;

	io->stop = io->start + SZ_2K - 1;

	return 0;

}



static int

bfin_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map)

{

	struct bfin_cf_socket *cf;



	if (map->card_start)

		return -EINVAL;

	cf = container_of(s, struct bfin_cf_socket, socket);

	map->static_start = cf->phys_cf_io;

	map->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT;

	if (map->flags & MAP_ATTRIB)

		map->static_start = cf->phys_cf_attr;



	return 0;

}



static struct pccard_operations bfin_cf_ops = {

	.init = bfin_cf_ss_init,

	.suspend = bfin_cf_ss_suspend,

	.get_status = bfin_cf_get_status,

	.set_socket = bfin_cf_set_socket,

	.set_io_map = bfin_cf_set_io_map,

	.set_mem_map = bfin_cf_set_mem_map,

};



/*--------------------------------------------------------------------------*/



static int bfin_cf_probe(struct platform_device *pdev)

{

	struct bfin_cf_socket *cf;

	struct resource *io_mem, *attr_mem;

	int irq;

	unsigned short cd_pfx;

	int status = 0;



	dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n");



	irq = platform_get_irq(pdev, 0);

	if (irq <= 0)

		return -EINVAL;



	cd_pfx = platform_get_irq(pdev, 1);	/*Card Detect GPIO PIN */



	if (gpio_request(cd_pfx, "pcmcia: CD")) {

		dev_err(&pdev->dev,

		       "Failed ro request Card Detect GPIO_%d\n",

		       cd_pfx);

		return -EBUSY;

	}

	gpio_direction_input(cd_pfx);



	cf = kzalloc(sizeof *cf, GFP_KERNEL);

	if (!cf) {

		gpio_free(cd_pfx);

		return -ENOMEM;

	}



	cf->cd_pfx = cd_pfx;



	timer_setup(&cf->timer, bfin_cf_timer, 0);



	cf->pdev = pdev;

	platform_set_drvdata(pdev, cf);



	cf->irq = irq;

	cf->socket.pci_irq = irq;



	irq_set_irq_type(irq, IRQF_TRIGGER_LOW);



	io_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	attr_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);



	if (!io_mem || !attr_mem)

		goto fail0;



	cf->phys_cf_io = io_mem->start;

	cf->phys_cf_attr = attr_mem->start;



	/* pcmcia layer only remaps "real" memory */

	cf->socket.io_offset = (unsigned long)

	    ioremap(cf->phys_cf_io, SZ_2K);



	if (!cf->socket.io_offset)

		goto fail0;



	dev_err(&pdev->dev, ": on irq %d\n", irq);



	dev_dbg(&pdev->dev, ": %s\n",

		 bfin_cf_present(cf->cd_pfx) ? "present" : "(not present)");



	cf->socket.owner = THIS_MODULE;

	cf->socket.dev.parent = &pdev->dev;

	cf->socket.ops = &bfin_cf_ops;

	cf->socket.resource_ops = &pccard_static_ops;

	cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP

	    | SS_CAP_MEM_ALIGN;

	cf->socket.map_size = SZ_2K;



	status = pcmcia_register_socket(&cf->socket);

	if (status < 0)

		goto fail2;



	cf->active = 1;

	mod_timer(&cf->timer, jiffies + POLL_INTERVAL);

	return 0;



fail2:

	iounmap((void __iomem *)cf->socket.io_offset);

	release_mem_region(cf->phys_cf_io, SZ_8K);



fail0:

	gpio_free(cf->cd_pfx);

	kfree(cf);

	platform_set_drvdata(pdev, NULL);



	return status;

}



static int bfin_cf_remove(struct platform_device *pdev)

{

	struct bfin_cf_socket *cf = platform_get_drvdata(pdev);



	gpio_free(cf->cd_pfx);

	cf->active = 0;

	pcmcia_unregister_socket(&cf->socket);

	del_timer_sync(&cf->timer);

	iounmap((void __iomem *)cf->socket.io_offset);

	release_mem_region(cf->phys_cf_io, SZ_8K);

	platform_set_drvdata(pdev, NULL);

	kfree(cf);

	return 0;

}



static struct platform_driver bfin_cf_driver = {

	.driver = {

		   .name = driver_name,

		   },

	.probe = bfin_cf_probe,

	.remove = bfin_cf_remove,

};



module_platform_driver(bfin_cf_driver);



MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");

MODULE_DESCRIPTION("BFIN CF/PCMCIA Driver");

MODULE_LICENSE("GPL");