diff options
Diffstat (limited to 'drivers/pcmcia/sa1100_generic.c')
| -rw-r--r-- | drivers/pcmcia/sa1100_generic.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c new file mode 100644 index 000000000000..874990ebe147 --- /dev/null +++ b/drivers/pcmcia/sa1100_generic.c @@ -0,0 +1,131 @@ +/*====================================================================== + + Device driver for the PCMCIA control functionality of StrongARM + SA-1100 microprocessors. + + The contents of this file are subject to the Mozilla Public + License Version 1.1 (the "License"); you may not use this file + except in compliance with the License. You may obtain a copy of + the License at http://www.mozilla.org/MPL/ + + Software distributed under the License is distributed on an "AS + IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + implied. See the License for the specific language governing + rights and limitations under the License. + + The initial developer of the original code is John G. Dorsey + <john+@cs.cmu.edu>. Portions created by John G. Dorsey are + Copyright (C) 1999 John G. Dorsey. All Rights Reserved. + + Alternatively, the contents of this file may be used under the + terms of the GNU Public License version 2 (the "GPL"), in which + case the provisions of the GPL are applicable instead of the + above. If you wish to allow the use of your version of this file + only under the terms of the GPL and not to allow others to use + your version of this file under the MPL, indicate your decision + by deleting the provisions above and replace them with the notice + and other provisions required by the GPL. If you do not delete + the provisions above, a recipient may use your version of this + file under either the MPL or the GPL. + +======================================================================*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/config.h> + +#include <pcmcia/version.h> +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/ss.h> + +#include "sa1100_generic.h" + +static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = { +#ifdef CONFIG_SA1100_ASSABET + pcmcia_assabet_init, +#endif +#ifdef CONFIG_SA1100_CERF + pcmcia_cerf_init, +#endif +#ifdef CONFIG_SA1100_H3600 + pcmcia_h3600_init, +#endif +#ifdef CONFIG_SA1100_SHANNON + pcmcia_shannon_init, +#endif +#ifdef CONFIG_SA1100_SIMPAD + pcmcia_simpad_init, +#endif +}; + +static int sa11x0_drv_pcmcia_probe(struct device *dev) +{ + int i, ret = -ENODEV; + + /* + * Initialise any "on-board" PCMCIA sockets. + */ + for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) { + ret = sa11x0_pcmcia_hw_init[i](dev); + if (ret == 0) + break; + } + + return ret; +} + +static int sa11x0_drv_pcmcia_suspend(struct device *dev, u32 state, u32 level) +{ + int ret = 0; + if (level == SUSPEND_SAVE_STATE) + ret = pcmcia_socket_dev_suspend(dev, state); + return ret; +} + +static int sa11x0_drv_pcmcia_resume(struct device *dev, u32 level) +{ + int ret = 0; + if (level == RESUME_RESTORE_STATE) + ret = pcmcia_socket_dev_resume(dev); + return ret; +} + +static struct device_driver sa11x0_pcmcia_driver = { + .probe = sa11x0_drv_pcmcia_probe, + .remove = soc_common_drv_pcmcia_remove, + .name = "sa11x0-pcmcia", + .bus = &platform_bus_type, + .suspend = sa11x0_drv_pcmcia_suspend, + .resume = sa11x0_drv_pcmcia_resume, +}; + +/* sa11x0_pcmcia_init() + * ^^^^^^^^^^^^^^^^^^^^ + * + * This routine performs low-level PCMCIA initialization and then + * registers this socket driver with Card Services. + * + * Returns: 0 on success, -ve error code on failure + */ +static int __init sa11x0_pcmcia_init(void) +{ + return driver_register(&sa11x0_pcmcia_driver); +} + +/* sa11x0_pcmcia_exit() + * ^^^^^^^^^^^^^^^^^^^^ + * Invokes the low-level kernel service to free IRQs associated with this + * socket controller and reset GPIO edge detection. + */ +static void __exit sa11x0_pcmcia_exit(void) +{ + driver_unregister(&sa11x0_pcmcia_driver); +} + +MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>"); +MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller"); +MODULE_LICENSE("Dual MPL/GPL"); + +module_init(sa11x0_pcmcia_init); +module_exit(sa11x0_pcmcia_exit); |