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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/pcmcia/sa1100_generic.c
Initial import
Diffstat (limited to 'drivers/pcmcia/sa1100_generic.c')
-rw-r--r--drivers/pcmcia/sa1100_generic.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c
new file mode 100644
index 000000000..803945259
--- /dev/null
+++ b/drivers/pcmcia/sa1100_generic.c
@@ -0,0 +1,137 @@
+/*======================================================================
+
+ 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/slab.h>
+#include <linux/platform_device.h>
+
+#include <pcmcia/ss.h>
+
+#include <asm/hardware/scoop.h>
+
+#include "sa1100_generic.h"
+
+int __init pcmcia_collie_init(struct device *dev);
+
+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
+#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
+ pcmcia_h3600_init,
+#endif
+#ifdef CONFIG_SA1100_NANOENGINE
+ pcmcia_nanoengine_init,
+#endif
+#ifdef CONFIG_SA1100_SHANNON
+ pcmcia_shannon_init,
+#endif
+#ifdef CONFIG_SA1100_SIMPAD
+ pcmcia_simpad_init,
+#endif
+#ifdef CONFIG_SA1100_COLLIE
+ pcmcia_collie_init,
+#endif
+};
+
+static int sa11x0_drv_pcmcia_probe(struct platform_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->dev);
+ if (ret == 0)
+ break;
+ }
+
+ return ret;
+}
+
+static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
+{
+ struct skt_dev_info *sinfo = platform_get_drvdata(dev);
+ int i;
+
+ platform_set_drvdata(dev, NULL);
+
+ for (i = 0; i < sinfo->nskt; i++)
+ soc_pcmcia_remove_one(&sinfo->skt[i]);
+
+ clk_put(sinfo->clk);
+ kfree(sinfo);
+ return 0;
+}
+
+static struct platform_driver sa11x0_pcmcia_driver = {
+ .driver = {
+ .name = "sa11x0-pcmcia",
+ },
+ .probe = sa11x0_drv_pcmcia_probe,
+ .remove = sa11x0_drv_pcmcia_remove,
+};
+
+/* 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 platform_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)
+{
+ platform_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");
+
+fs_initcall(sa11x0_pcmcia_init);
+module_exit(sa11x0_pcmcia_exit);