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14#include <linux/errno.h>
15#include <linux/init.h>
16#include <linux/interrupt.h>
17#include <linux/module.h>
18#include <linux/types.h>
19#include <asm/io.h>
20#include <asm/led.h>
21
22#include "gsc.h"
23
24#define ASP_GSC_IRQ 3
25
26#define ASP_VER_OFFSET 0x20
27
28#define ASP_LED_ADDR 0xf0800020
29
30#define VIPER_INT_WORD 0xFFFBF088
31
32static struct gsc_asic asp;
33
34static void asp_choose_irq(struct parisc_device *dev, void *ctrl)
35{
36 int irq;
37
38 switch (dev->id.sversion) {
39 case 0x71: irq = 9; break;
40 case 0x72: irq = 8; break;
41 case 0x73: irq = 1; break;
42 case 0x74: irq = 7; break;
43 case 0x75: irq = (dev->hw_path == 4) ? 5 : 6; break;
44 case 0x76: irq = 10; break;
45 case 0x77: irq = 11; break;
46 case 0x7a: irq = 13; break;
47 case 0x7b: irq = 13; break;
48 case 0x7c: irq = 3; break;
49 case 0x7d: irq = 4; break;
50 case 0x7f: irq = 13; break;
51 default: return;
52 }
53
54 gsc_asic_assign_irq(ctrl, irq, &dev->irq);
55
56 switch (dev->id.sversion) {
57 case 0x73: irq = 2; break;
58 case 0x76: irq = 0; break;
59 default: return;
60 }
61
62 gsc_asic_assign_irq(ctrl, irq, &dev->aux_irq);
63}
64
65
66
67
68
69
70
71#define ASP_INTERRUPT_ADDR 0xf0800000
72
73static int __init asp_init_chip(struct parisc_device *dev)
74{
75 struct gsc_irq gsc_irq;
76 int ret;
77
78 asp.version = gsc_readb(dev->hpa.start + ASP_VER_OFFSET) & 0xf;
79 asp.name = (asp.version == 1) ? "Asp" : "Cutoff";
80 asp.hpa = ASP_INTERRUPT_ADDR;
81
82 printk(KERN_INFO "%s version %d at 0x%lx found.\n",
83 asp.name, asp.version, (unsigned long)dev->hpa.start);
84
85
86 ret = -EBUSY;
87 dev->irq = gsc_claim_irq(&gsc_irq, ASP_GSC_IRQ);
88 if (dev->irq < 0) {
89 printk(KERN_ERR "%s(): cannot get GSC irq\n", __func__);
90 goto out;
91 }
92
93 asp.eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data;
94
95 ret = request_irq(gsc_irq.irq, gsc_asic_intr, 0, "asp", &asp);
96 if (ret < 0)
97 goto out;
98
99
100 gsc_writel((1 << (31 - ASP_GSC_IRQ)),VIPER_INT_WORD);
101
102
103 ret = gsc_common_setup(dev, &asp);
104 if (ret)
105 goto out;
106
107 gsc_fixup_irqs(dev, &asp, asp_choose_irq);
108
109 gsc_fixup_irqs(parisc_parent(dev), &asp, asp_choose_irq);
110
111
112#ifdef CONFIG_CHASSIS_LCD_LED
113 register_led_driver(DISPLAY_MODEL_OLD_ASP, LED_CMD_REG_NONE,
114 ASP_LED_ADDR);
115#endif
116
117 out:
118 return ret;
119}
120
121static struct parisc_device_id asp_tbl[] = {
122 { HPHW_BA, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00070 },
123 { 0, }
124};
125
126struct parisc_driver asp_driver = {
127 .name = "asp",
128 .id_table = asp_tbl,
129 .probe = asp_init_chip,
130};
131