1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <device/device.h>
4 #include <device/pnp.h>
5 #include <superio/conf_mode.h>
6 #include <pc80/keyboard.h>
7
8 #include "w83627dhg.h"
9
w83627dhg_enable_UR2(struct device * dev)10 static void w83627dhg_enable_UR2(struct device *dev)
11 {
12 u8 reg8;
13
14 pnp_enter_conf_mode(dev);
15 reg8 = pnp_read_config(dev, 0x2c);
16 reg8 |= (0x3);
17 pnp_write_config(dev, 0x2c, reg8); // Set pins 78-85-> UART B
18 pnp_exit_conf_mode(dev);
19 }
20
w83627dhg_init(struct device * dev)21 static void w83627dhg_init(struct device *dev)
22 {
23 if (!dev->enabled)
24 return;
25
26 switch (dev->path.pnp.device) {
27 case W83627DHG_SP2:
28 w83627dhg_enable_UR2(dev);
29 break;
30 case W83627DHG_KBC:
31 pc_keyboard_init(NO_AUX_DEVICE);
32 break;
33 }
34 }
35
36 static struct device_operations ops = {
37 .read_resources = pnp_read_resources,
38 .set_resources = pnp_set_resources,
39 .enable_resources = pnp_enable_resources,
40 .enable = pnp_alt_enable,
41 .init = w83627dhg_init,
42 .ops_pnp_mode = &pnp_conf_mode_8787_aa,
43 };
44
45 static struct pnp_info pnp_dev_info[] = {
46 { NULL, W83627DHG_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
47 { NULL, W83627DHG_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
48 { NULL, W83627DHG_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, },
49 { NULL, W83627DHG_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, },
50 { NULL, W83627DHG_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1,
51 0x07ff, 0x07ff, },
52 { NULL, W83627DHG_SPI, PNP_IO1, 0, 0x7f8, },
53 { NULL, W83627DHG_GPIO6, },
54 { NULL, W83627DHG_WDTO_PLED, },
55 { NULL, W83627DHG_GPIO2, },
56 { NULL, W83627DHG_GPIO3, },
57 { NULL, W83627DHG_GPIO4, },
58 { NULL, W83627DHG_GPIO5, },
59 { NULL, W83627DHG_ACPI, PNP_IRQ0, },
60 { NULL, W83627DHG_HWM, PNP_IO0 | PNP_IRQ0, 0x07fe, },
61 { NULL, W83627DHG_PECI_SST, },
62 };
63
enable_dev(struct device * dev)64 static void enable_dev(struct device *dev)
65 {
66 pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
67 }
68
69 struct chip_operations superio_winbond_w83627dhg_ops = {
70 .name = "Winbond W83627DHG Super I/O",
71 .enable_dev = enable_dev,
72 };
73