diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx/s3c244x-irq.c')
-rw-r--r-- | arch/arm/plat-s3c24xx/s3c244x-irq.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/arch/arm/plat-s3c24xx/s3c244x-irq.c b/arch/arm/plat-s3c24xx/s3c244x-irq.c deleted file mode 100644 index a75c0c2431ea..000000000000 --- a/arch/arm/plat-s3c24xx/s3c244x-irq.c +++ /dev/null | |||
@@ -1,142 +0,0 @@ | |||
1 | /* linux/arch/arm/plat-s3c24xx/s3c244x-irq.c | ||
2 | * | ||
3 | * Copyright (c) 2003-2004 Simtec Electronics | ||
4 | * Ben Dooks <ben@simtec.co.uk> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | * | ||
20 | */ | ||
21 | |||
22 | #include <linux/init.h> | ||
23 | #include <linux/module.h> | ||
24 | #include <linux/interrupt.h> | ||
25 | #include <linux/ioport.h> | ||
26 | #include <linux/sysdev.h> | ||
27 | #include <linux/io.h> | ||
28 | |||
29 | #include <mach/hardware.h> | ||
30 | #include <asm/irq.h> | ||
31 | |||
32 | #include <asm/mach/irq.h> | ||
33 | |||
34 | #include <mach/regs-irq.h> | ||
35 | #include <mach/regs-gpio.h> | ||
36 | |||
37 | #include <plat/cpu.h> | ||
38 | #include <plat/pm.h> | ||
39 | #include <plat/irq.h> | ||
40 | |||
41 | /* camera irq */ | ||
42 | |||
43 | static void s3c_irq_demux_cam(unsigned int irq, | ||
44 | struct irq_desc *desc) | ||
45 | { | ||
46 | unsigned int subsrc, submsk; | ||
47 | |||
48 | /* read the current pending interrupts, and the mask | ||
49 | * for what it is available */ | ||
50 | |||
51 | subsrc = __raw_readl(S3C2410_SUBSRCPND); | ||
52 | submsk = __raw_readl(S3C2410_INTSUBMSK); | ||
53 | |||
54 | subsrc &= ~submsk; | ||
55 | subsrc >>= 11; | ||
56 | subsrc &= 3; | ||
57 | |||
58 | if (subsrc != 0) { | ||
59 | if (subsrc & 1) { | ||
60 | generic_handle_irq(IRQ_S3C2440_CAM_C); | ||
61 | } | ||
62 | if (subsrc & 2) { | ||
63 | generic_handle_irq(IRQ_S3C2440_CAM_P); | ||
64 | } | ||
65 | } | ||
66 | } | ||
67 | |||
68 | #define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0)) | ||
69 | |||
70 | static void | ||
71 | s3c_irq_cam_mask(unsigned int irqno) | ||
72 | { | ||
73 | s3c_irqsub_mask(irqno, INTMSK_CAM, 3<<11); | ||
74 | } | ||
75 | |||
76 | static void | ||
77 | s3c_irq_cam_unmask(unsigned int irqno) | ||
78 | { | ||
79 | s3c_irqsub_unmask(irqno, INTMSK_CAM); | ||
80 | } | ||
81 | |||
82 | static void | ||
83 | s3c_irq_cam_ack(unsigned int irqno) | ||
84 | { | ||
85 | s3c_irqsub_maskack(irqno, INTMSK_CAM, 3<<11); | ||
86 | } | ||
87 | |||
88 | static struct irq_chip s3c_irq_cam = { | ||
89 | .mask = s3c_irq_cam_mask, | ||
90 | .unmask = s3c_irq_cam_unmask, | ||
91 | .ack = s3c_irq_cam_ack, | ||
92 | }; | ||
93 | |||
94 | static int s3c244x_irq_add(struct sys_device *sysdev) | ||
95 | { | ||
96 | unsigned int irqno; | ||
97 | |||
98 | set_irq_chip(IRQ_NFCON, &s3c_irq_level_chip); | ||
99 | set_irq_handler(IRQ_NFCON, handle_level_irq); | ||
100 | set_irq_flags(IRQ_NFCON, IRQF_VALID); | ||
101 | |||
102 | /* add chained handler for camera */ | ||
103 | |||
104 | set_irq_chip(IRQ_CAM, &s3c_irq_level_chip); | ||
105 | set_irq_handler(IRQ_CAM, handle_level_irq); | ||
106 | set_irq_chained_handler(IRQ_CAM, s3c_irq_demux_cam); | ||
107 | |||
108 | for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) { | ||
109 | set_irq_chip(irqno, &s3c_irq_cam); | ||
110 | set_irq_handler(irqno, handle_level_irq); | ||
111 | set_irq_flags(irqno, IRQF_VALID); | ||
112 | } | ||
113 | |||
114 | return 0; | ||
115 | } | ||
116 | |||
117 | static struct sysdev_driver s3c2440_irq_driver = { | ||
118 | .add = s3c244x_irq_add, | ||
119 | .suspend = s3c24xx_irq_suspend, | ||
120 | .resume = s3c24xx_irq_resume, | ||
121 | }; | ||
122 | |||
123 | static int s3c2440_irq_init(void) | ||
124 | { | ||
125 | return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_irq_driver); | ||
126 | } | ||
127 | |||
128 | arch_initcall(s3c2440_irq_init); | ||
129 | |||
130 | static struct sysdev_driver s3c2442_irq_driver = { | ||
131 | .add = s3c244x_irq_add, | ||
132 | .suspend = s3c24xx_irq_suspend, | ||
133 | .resume = s3c24xx_irq_resume, | ||
134 | }; | ||
135 | |||
136 | |||
137 | static int s3c2442_irq_init(void) | ||
138 | { | ||
139 | return sysdev_driver_register(&s3c2442_sysclass, &s3c2442_irq_driver); | ||
140 | } | ||
141 | |||
142 | arch_initcall(s3c2442_irq_init); | ||