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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/isdn/hisax/avma1_cs.c
Initial import
Diffstat (limited to 'drivers/isdn/hisax/avma1_cs.c')
-rw-r--r--drivers/isdn/hisax/avma1_cs.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c
new file mode 100644
index 000000000..baad94ec1
--- /dev/null
+++ b/drivers/isdn/hisax/avma1_cs.c
@@ -0,0 +1,162 @@
+/*
+ * PCMCIA client driver for AVM A1 / Fritz!PCMCIA
+ *
+ * Author Carsten Paeth
+ * Copyright 1998-2001 by Carsten Paeth <calle@calle.in-berlin.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#include <linux/module.h>
+
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <asm/io.h>
+
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+#include "hisax_cfg.h"
+
+MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for AVM A1/Fritz!PCMCIA cards");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+
+
+/*====================================================================*/
+
+/* Parameters that can be set with 'insmod' */
+
+static int isdnprot = 2;
+
+module_param(isdnprot, int, 0);
+
+/*====================================================================*/
+
+static int avma1cs_config(struct pcmcia_device *link);
+static void avma1cs_release(struct pcmcia_device *link);
+static void avma1cs_detach(struct pcmcia_device *p_dev);
+
+static int avma1cs_probe(struct pcmcia_device *p_dev)
+{
+ dev_dbg(&p_dev->dev, "avma1cs_attach()\n");
+
+ /* General socket configuration */
+ p_dev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
+ p_dev->config_index = 1;
+ p_dev->config_regs = PRESENT_OPTION;
+
+ return avma1cs_config(p_dev);
+} /* avma1cs_attach */
+
+static void avma1cs_detach(struct pcmcia_device *link)
+{
+ dev_dbg(&link->dev, "avma1cs_detach(0x%p)\n", link);
+ avma1cs_release(link);
+ kfree(link->priv);
+} /* avma1cs_detach */
+
+static int avma1cs_configcheck(struct pcmcia_device *p_dev, void *priv_data)
+{
+ p_dev->resource[0]->end = 16;
+ p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
+ p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
+ p_dev->io_lines = 5;
+
+ return pcmcia_request_io(p_dev);
+}
+
+
+static int avma1cs_config(struct pcmcia_device *link)
+{
+ int i = -1;
+ char devname[128];
+ IsdnCard_t icard;
+ int busy = 0;
+
+ dev_dbg(&link->dev, "avma1cs_config(0x%p)\n", link);
+
+ devname[0] = 0;
+ if (link->prod_id[1])
+ strlcpy(devname, link->prod_id[1], sizeof(devname));
+
+ if (pcmcia_loop_config(link, avma1cs_configcheck, NULL))
+ return -ENODEV;
+
+ do {
+ /*
+ * allocate an interrupt line
+ */
+ if (!link->irq) {
+ /* undo */
+ pcmcia_disable_device(link);
+ break;
+ }
+
+ /*
+ * configure the PCMCIA socket
+ */
+ i = pcmcia_enable_device(link);
+ if (i != 0) {
+ pcmcia_disable_device(link);
+ break;
+ }
+
+ } while (0);
+
+ /* If any step failed, release any partially configured state */
+ if (i != 0) {
+ avma1cs_release(link);
+ return -ENODEV;
+ }
+
+ icard.para[0] = link->irq;
+ icard.para[1] = link->resource[0]->start;
+ icard.protocol = isdnprot;
+ icard.typ = ISDN_CTYPE_A1_PCMCIA;
+
+ i = hisax_init_pcmcia(link, &busy, &icard);
+ if (i < 0) {
+ printk(KERN_ERR "avma1_cs: failed to initialize AVM A1 "
+ "PCMCIA %d at i/o %#x\n", i,
+ (unsigned int) link->resource[0]->start);
+ avma1cs_release(link);
+ return -ENODEV;
+ }
+ link->priv = (void *) (unsigned long) i;
+
+ return 0;
+} /* avma1cs_config */
+
+static void avma1cs_release(struct pcmcia_device *link)
+{
+ unsigned long minor = (unsigned long) link->priv;
+
+ dev_dbg(&link->dev, "avma1cs_release(0x%p)\n", link);
+
+ /* now unregister function with hisax */
+ HiSax_closecard(minor);
+
+ pcmcia_disable_device(link);
+} /* avma1cs_release */
+
+static const struct pcmcia_device_id avma1cs_ids[] = {
+ PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN A", 0x95d42008, 0xadc9d4bb),
+ PCMCIA_DEVICE_PROD_ID12("ISDN", "CARD", 0x8d9761c8, 0x01c5aa7b),
+ PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, avma1cs_ids);
+
+static struct pcmcia_driver avma1cs_driver = {
+ .owner = THIS_MODULE,
+ .name = "avma1_cs",
+ .probe = avma1cs_probe,
+ .remove = avma1cs_detach,
+ .id_table = avma1cs_ids,
+};
+module_pcmcia_driver(avma1cs_driver);