Please bear with me - another rename checkin. This qualifies as trivial, no
[coreboot.git] / src / superio / winbond / w83977f / superio.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #include <arch/io.h>
22 #include <device/device.h>
23 #include <device/pnp.h>
24 #include <console/console.h>
25 #include <string.h>
26 #include <bitops.h>
27 #include <uart8250.h>
28 #include <pc80/keyboard.h>
29 #include "chip.h"
30 #include "w83977f.h"
31
32 static void w83977f_enter_ext_func_mode(device_t dev) 
33 {
34         outb(0x87, dev->path.u.pnp.port);
35         outb(0x87, dev->path.u.pnp.port);
36 }
37 static void w83977f_exit_ext_func_mode(device_t dev) 
38 {
39         outb(0xaa, dev->path.u.pnp.port);
40 }
41
42 static void w83977f_init(device_t dev)
43 {
44         struct superio_winbond_w83977f_config *conf;
45         struct resource *res0, *res1;
46
47         if (!dev->enabled) {
48                 return;
49         }
50         conf = dev->chip_info;
51         switch(dev->path.u.pnp.device) {
52         case W83977F_SP1:
53                 res0 = find_resource(dev, PNP_IDX_IO0);
54                 init_uart8250(res0->base, &conf->com1);
55                 break;
56         case W83977F_SP2:
57                 res0 = find_resource(dev, PNP_IDX_IO0);
58                 init_uart8250(res0->base, &conf->com2);
59                 break;
60         case W83977F_KBC:
61                 res0 = find_resource(dev, PNP_IDX_IO0);
62                 res1 = find_resource(dev, PNP_IDX_IO1);
63                 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
64                 break;
65         }
66 }
67
68 static void w83977f_set_resources(device_t dev)
69 {
70         w83977f_enter_ext_func_mode(dev);
71         pnp_set_resources(dev);
72         w83977f_exit_ext_func_mode(dev);
73 }
74
75 static void w83977f_enable_resources(device_t dev)
76 {
77         w83977f_enter_ext_func_mode(dev);
78         pnp_enable_resources(dev);
79         w83977f_exit_ext_func_mode(dev);
80 }
81
82 static void w83977f_enable(device_t dev)
83 {
84         w83977f_enter_ext_func_mode(dev);
85         pnp_enable(dev);
86         w83977f_exit_ext_func_mode(dev);
87 }
88
89 static struct device_operations ops = {
90         .read_resources         = pnp_read_resources,
91         .set_resources          = w83977f_set_resources,
92         .enable_resources       = w83977f_enable_resources,
93         .enable                 = w83977f_enable,
94         .init                   = w83977f_init,
95 };
96
97 static struct pnp_info pnp_dev_info[] = {
98         { &ops, W83977F_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x7f8, 0 }, },
99         { &ops, W83977F_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x7f8, 0 }, },
100         { &ops, W83977F_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
101         { &ops, W83977F_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
102         { &ops, W83977F_RTC,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
103         { &ops, W83977F_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7f8, 0 }, { 0x7f8, 0x0}, },
104         { &ops, W83977F_IR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
105         { &ops, W83977F_GPIO1, PNP_IO0, { 0x7f8, 0 }, },
106         { &ops, W83977F_GPIO2, PNP_IO0, { 0x7f8, 0 }, },
107 };
108
109 static void enable_dev(device_t dev)
110 {
111         pnp_enable_devices(dev, &ops,
112                 sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
113 }
114
115 struct chip_operations superio_winbond_w83977f_ops = {
116         CHIP_NAME("Winbond W83977F-A Super I/O")
117         .enable_dev = enable_dev,
118 };