1 /*
2 * IR port driver for the Cirrus Logic CLPS711X processors
3 *
4 * Copyright 2001, Blue Mug Inc. All rights reserved.
5 * Copyright 2007, Samuel Ortiz <samuel@sortiz.org>
6 */
7
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10
11 #include <mach/hardware.h>
12
13 #include "sir-dev.h"
14
clps711x_dongle_open(struct sir_dev * dev)15 static int clps711x_dongle_open(struct sir_dev *dev)
16 {
17 unsigned int syscon;
18
19 /* Turn on the SIR encoder. */
20 syscon = clps_readl(SYSCON1);
21 syscon |= SYSCON1_SIREN;
22 clps_writel(syscon, SYSCON1);
23
24 return 0;
25 }
26
clps711x_dongle_close(struct sir_dev * dev)27 static int clps711x_dongle_close(struct sir_dev *dev)
28 {
29 unsigned int syscon;
30
31 /* Turn off the SIR encoder. */
32 syscon = clps_readl(SYSCON1);
33 syscon &= ~SYSCON1_SIREN;
34 clps_writel(syscon, SYSCON1);
35
36 return 0;
37 }
38
39 static struct dongle_driver clps711x_dongle = {
40 .owner = THIS_MODULE,
41 .driver_name = "EP7211 IR driver",
42 .type = IRDA_EP7211_DONGLE,
43 .open = clps711x_dongle_open,
44 .close = clps711x_dongle_close,
45 };
46
clps711x_sir_probe(struct platform_device * pdev)47 static int clps711x_sir_probe(struct platform_device *pdev)
48 {
49 return irda_register_dongle(&clps711x_dongle);
50 }
51
clps711x_sir_remove(struct platform_device * pdev)52 static int clps711x_sir_remove(struct platform_device *pdev)
53 {
54 return irda_unregister_dongle(&clps711x_dongle);
55 }
56
57 static struct platform_driver clps711x_sir_driver = {
58 .driver = {
59 .name = "sir-clps711x",
60 .owner = THIS_MODULE,
61 },
62 .probe = clps711x_sir_probe,
63 .remove = clps711x_sir_remove,
64 };
65 module_platform_driver(clps711x_sir_driver);
66
67 MODULE_AUTHOR("Samuel Ortiz <samuel@sortiz.org>");
68 MODULE_DESCRIPTION("EP7211 IR dongle driver");
69 MODULE_LICENSE("GPL");
70 MODULE_ALIAS("irda-dongle-13"); /* IRDA_EP7211_DONGLE */
71