Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / pcmcia / sa1100_generic.c

diff --git a/kernel/drivers/pcmcia/sa1100_generic.c b/kernel/drivers/pcmcia/sa1100_generic.c
new file mode 100644 (file)
index 0000000..8039452
--- /dev/null
+++ b/kernel/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);