diff options
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/pcmcia/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pcmcia/bfin_cf_pcmcia.c | 316 |
3 files changed, 0 insertions, 324 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 49540d13dea4..cbbe4a285b48 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -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 diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index ca361266d055..f1f89ddb1bfd 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -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 diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c deleted file mode 100644 index 00a296d431ba..000000000000 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ /dev/null @@ -1,316 +0,0 @@ -/* - * 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"); |