diff options
Diffstat (limited to 'arch/sh/boards/renesas/hs7751rvoip/irq.c')
-rw-r--r-- | arch/sh/boards/renesas/hs7751rvoip/irq.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/sh/boards/renesas/hs7751rvoip/irq.c b/arch/sh/boards/renesas/hs7751rvoip/irq.c deleted file mode 100644 index e55c6686b21f..000000000000 --- a/arch/sh/boards/renesas/hs7751rvoip/irq.c +++ /dev/null | |||
@@ -1,116 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/renesas/hs7751rvoip/irq.c | ||
3 | * | ||
4 | * Copyright (C) 2000 Kazumoto Kojima | ||
5 | * | ||
6 | * Renesas Technology Sales HS7751RVoIP Support. | ||
7 | * | ||
8 | * Modified for HS7751RVoIP by | ||
9 | * Atom Create Engineering Co., Ltd. 2002. | ||
10 | * Lineo uSolutions, Inc. 2003. | ||
11 | */ | ||
12 | |||
13 | #include <linux/init.h> | ||
14 | #include <linux/irq.h> | ||
15 | #include <linux/interrupt.h> | ||
16 | #include <asm/io.h> | ||
17 | #include <asm/irq.h> | ||
18 | #include <asm/hs7751rvoip.h> | ||
19 | |||
20 | static int mask_pos[] = {8, 9, 10, 11, 12, 13, 0, 1, 2, 3, 4, 5, 6, 7}; | ||
21 | |||
22 | static void enable_hs7751rvoip_irq(unsigned int irq); | ||
23 | static void disable_hs7751rvoip_irq(unsigned int irq); | ||
24 | |||
25 | /* shutdown is same as "disable" */ | ||
26 | #define shutdown_hs7751rvoip_irq disable_hs7751rvoip_irq | ||
27 | |||
28 | static void ack_hs7751rvoip_irq(unsigned int irq); | ||
29 | static void end_hs7751rvoip_irq(unsigned int irq); | ||
30 | |||
31 | static unsigned int startup_hs7751rvoip_irq(unsigned int irq) | ||
32 | { | ||
33 | enable_hs7751rvoip_irq(irq); | ||
34 | return 0; /* never anything pending */ | ||
35 | } | ||
36 | |||
37 | static void disable_hs7751rvoip_irq(unsigned int irq) | ||
38 | { | ||
39 | unsigned short val; | ||
40 | unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]); | ||
41 | |||
42 | /* Set the priority in IPR to 0 */ | ||
43 | val = ctrl_inw(IRLCNTR3); | ||
44 | val &= mask; | ||
45 | ctrl_outw(val, IRLCNTR3); | ||
46 | } | ||
47 | |||
48 | static void enable_hs7751rvoip_irq(unsigned int irq) | ||
49 | { | ||
50 | unsigned short val; | ||
51 | unsigned short value = (0x0001 << mask_pos[irq]); | ||
52 | |||
53 | /* Set priority in IPR back to original value */ | ||
54 | val = ctrl_inw(IRLCNTR3); | ||
55 | val |= value; | ||
56 | ctrl_outw(val, IRLCNTR3); | ||
57 | } | ||
58 | |||
59 | static void ack_hs7751rvoip_irq(unsigned int irq) | ||
60 | { | ||
61 | disable_hs7751rvoip_irq(irq); | ||
62 | } | ||
63 | |||
64 | static void end_hs7751rvoip_irq(unsigned int irq) | ||
65 | { | ||
66 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
67 | enable_hs7751rvoip_irq(irq); | ||
68 | } | ||
69 | |||
70 | static struct hw_interrupt_type hs7751rvoip_irq_type = { | ||
71 | .typename = "HS7751RVoIP IRQ", | ||
72 | .startup = startup_hs7751rvoip_irq, | ||
73 | .shutdown = shutdown_hs7751rvoip_irq, | ||
74 | .enable = enable_hs7751rvoip_irq, | ||
75 | .disable = disable_hs7751rvoip_irq, | ||
76 | .ack = ack_hs7751rvoip_irq, | ||
77 | .end = end_hs7751rvoip_irq, | ||
78 | }; | ||
79 | |||
80 | static void make_hs7751rvoip_irq(unsigned int irq) | ||
81 | { | ||
82 | disable_irq_nosync(irq); | ||
83 | irq_desc[irq].chip = &hs7751rvoip_irq_type; | ||
84 | disable_hs7751rvoip_irq(irq); | ||
85 | } | ||
86 | |||
87 | /* | ||
88 | * Initialize IRQ setting | ||
89 | */ | ||
90 | void __init init_hs7751rvoip_IRQ(void) | ||
91 | { | ||
92 | int i; | ||
93 | |||
94 | /* IRL0=ON HOOK1 | ||
95 | * IRL1=OFF HOOK1 | ||
96 | * IRL2=ON HOOK2 | ||
97 | * IRL3=OFF HOOK2 | ||
98 | * IRL4=Ringing Detection | ||
99 | * IRL5=CODEC | ||
100 | * IRL6=Ethernet | ||
101 | * IRL7=Ethernet Hub | ||
102 | * IRL8=USB Communication | ||
103 | * IRL9=USB Connection | ||
104 | * IRL10=USB DMA | ||
105 | * IRL11=CF Card | ||
106 | * IRL12=PCMCIA | ||
107 | * IRL13=PCI Slot | ||
108 | */ | ||
109 | ctrl_outw(0x9876, IRLCNTR1); | ||
110 | ctrl_outw(0xdcba, IRLCNTR2); | ||
111 | ctrl_outw(0x0050, IRLCNTR4); | ||
112 | ctrl_outw(0x4321, IRLCNTR5); | ||
113 | |||
114 | for (i=0; i<14; i++) | ||
115 | make_hs7751rvoip_irq(i); | ||
116 | } | ||