Felix Held | 3f3eca9 | 2020-01-23 17:12:32 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 2 | |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 3 | #include <device/device.h> |
| 4 | #include <device/pnp.h> |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 5 | #include <superio/conf_mode.h> |
Felix Held | 08abfa3 | 2019-10-07 19:41:57 +0200 | [diff] [blame] | 6 | #include <superio/hwm5_conf.h> |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 7 | #include <console/console.h> |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 8 | #include <pc80/keyboard.h> |
Kyösti Mälkki | cbf9571 | 2020-01-05 08:05:45 +0200 | [diff] [blame] | 9 | #include <option.h> |
Elyes HAOUAS | 2329a25 | 2019-05-15 22:11:18 +0200 | [diff] [blame] | 10 | |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 11 | #include "w83627ehg.h" |
| 12 | |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 13 | static void enable_hwm_smbus(struct device *dev) |
Zheng Bao | 9db833b | 2009-12-28 09:59:44 +0000 | [diff] [blame] | 14 | { |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 15 | u8 reg8; |
| 16 | |
Elyes HAOUAS | 2b2325e | 2019-01-31 20:53:10 +0100 | [diff] [blame] | 17 | /* Configure pins 89/90 as SDA/SCL (I2C bus). */ |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 18 | reg8 = pnp_read_config(dev, 0x2a); |
| 19 | reg8 |= (1 << 1); |
| 20 | pnp_write_config(dev, 0x2a, reg8); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 21 | } |
| 22 | |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 23 | static void init_acpi(struct device *dev) |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 24 | { |
Elyes HAOUAS | 09ec9e7 | 2016-10-17 21:51:12 +0200 | [diff] [blame] | 25 | u8 value; |
Angel Pons | 88dcb31 | 2021-04-26 17:10:28 +0200 | [diff] [blame] | 26 | unsigned int power_on = get_uint_option("power_on_after_fail", 1); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 27 | |
Nico Huber | 13dc976 | 2013-06-15 19:33:15 +0200 | [diff] [blame] | 28 | pnp_enter_conf_mode(dev); |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 29 | pnp_set_logical_device(dev); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 30 | value = pnp_read_config(dev, 0xe4); |
| 31 | value &= ~(3 << 5); |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 32 | if (power_on) |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 33 | value |= (1 << 5); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 34 | pnp_write_config(dev, 0xe4, value); |
Nico Huber | 13dc976 | 2013-06-15 19:33:15 +0200 | [diff] [blame] | 35 | pnp_exit_conf_mode(dev); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 36 | } |
| 37 | |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 38 | static void init_hwm(u16 base) |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 39 | { |
| 40 | int i; |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 41 | u8 reg, value; |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 42 | |
| 43 | /* reg mask data */ |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 44 | u8 hwm_reg_values[] = { |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 45 | 0x40, 0xff, 0x81, /* Start HWM. */ |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 46 | 0x48, 0x7f, 0x2a, /* Set SMBus base to 0x2a (0x54 >> 1). */ |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 47 | }; |
| 48 | |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 49 | for (i = 0; i < ARRAY_SIZE(hwm_reg_values); i += 3) { |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 50 | reg = hwm_reg_values[i]; |
Felix Held | 08abfa3 | 2019-10-07 19:41:57 +0200 | [diff] [blame] | 51 | value = pnp_read_hwm5_index(base, reg); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 52 | value &= 0xff & (~(hwm_reg_values[i + 1])); |
| 53 | value |= 0xff & hwm_reg_values[i + 2]; |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 54 | printk(BIOS_DEBUG, "base = 0x%04x, reg = 0x%02x, " |
| 55 | "value = 0x%02x\n", base, reg, value); |
Felix Held | 08abfa3 | 2019-10-07 19:41:57 +0200 | [diff] [blame] | 56 | pnp_write_hwm5_index(base, reg, value); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 57 | } |
| 58 | } |
| 59 | |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 60 | static void w83627ehg_init(struct device *dev) |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 61 | { |
Uwe Hermann | 5330dd9 | 2010-11-11 13:14:55 +0000 | [diff] [blame] | 62 | struct resource *res0; |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 63 | |
| 64 | if (!dev->enabled) |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 65 | return; |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 66 | |
Elyes HAOUAS | 0ce41f1 | 2018-11-13 10:03:31 +0100 | [diff] [blame] | 67 | switch (dev->path.pnp.device) { |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 68 | case W83627EHG_KBC: |
Timothy Pearson | 448e386 | 2015-11-24 14:12:01 -0600 | [diff] [blame] | 69 | pc_keyboard_init(NO_AUX_DEVICE); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 70 | break; |
| 71 | case W83627EHG_HWM: |
| 72 | res0 = find_resource(dev, PNP_IDX_IO0); |
Felix Held | 08abfa3 | 2019-10-07 19:41:57 +0200 | [diff] [blame] | 73 | init_hwm(res0->base); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 74 | break; |
| 75 | case W83627EHG_ACPI: |
| 76 | init_acpi(dev); |
| 77 | break; |
| 78 | } |
| 79 | } |
| 80 | |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 81 | static void w83627ehg_pnp_enable_resources(struct device *dev) |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 82 | { |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 83 | pnp_enable_resources(dev); |
| 84 | |
Nico Huber | 13dc976 | 2013-06-15 19:33:15 +0200 | [diff] [blame] | 85 | pnp_enter_conf_mode(dev); |
Stefan Reinauer | 2b34db8 | 2009-02-28 20:10:20 +0000 | [diff] [blame] | 86 | switch (dev->path.pnp.device) { |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 87 | case W83627EHG_HWM: |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 88 | printk(BIOS_DEBUG, "W83627EHG HWM SMBus enabled\n"); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 89 | enable_hwm_smbus(dev); |
| 90 | break; |
| 91 | } |
Nico Huber | 13dc976 | 2013-06-15 19:33:15 +0200 | [diff] [blame] | 92 | pnp_exit_conf_mode(dev); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 93 | } |
| 94 | |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 95 | static struct device_operations ops = { |
| 96 | .read_resources = pnp_read_resources, |
Nico Huber | 0b2ee93 | 2013-06-15 19:58:35 +0200 | [diff] [blame] | 97 | .set_resources = pnp_set_resources, |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 98 | .enable_resources = w83627ehg_pnp_enable_resources, |
Nico Huber | 0b2ee93 | 2013-06-15 19:58:35 +0200 | [diff] [blame] | 99 | .enable = pnp_alt_enable, |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 100 | .init = w83627ehg_init, |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 101 | .ops_pnp_mode = &pnp_conf_mode_8787_aa, |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | static struct pnp_info pnp_dev_info[] = { |
Felix Held | 8c85880 | 2018-07-06 20:22:08 +0200 | [diff] [blame] | 105 | { NULL, W83627EHG_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, }, |
| 106 | { NULL, W83627EHG_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, }, |
| 107 | { NULL, W83627EHG_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, }, |
| 108 | { NULL, W83627EHG_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, }, |
| 109 | { NULL, W83627EHG_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, |
| 110 | 0x07ff, 0x07ff, }, |
| 111 | { NULL, W83627EHG_SFI, PNP_IO0 | PNP_IRQ0, 0x07f8, }, |
| 112 | { NULL, W83627EHG_WDTO_PLED, }, |
| 113 | { NULL, W83627EHG_ACPI, PNP_IRQ0, }, |
| 114 | { NULL, W83627EHG_HWM, PNP_IO0 | PNP_IRQ0, 0x07fe, }, |
Uwe Hermann | 3a4ed15 | 2010-12-05 22:36:14 +0000 | [diff] [blame] | 115 | |
Felix Held | 8c85880 | 2018-07-06 20:22:08 +0200 | [diff] [blame] | 116 | { NULL, W83627EHG_GAME, PNP_IO0, 0x07ff, }, |
| 117 | { NULL, W83627EHG_MIDI, PNP_IO1 | PNP_IRQ0, 0, 0x07fe, }, |
| 118 | { NULL, W83627EHG_GPIO1, }, |
| 119 | { NULL, W83627EHG_GPIO2, }, |
| 120 | { NULL, W83627EHG_GPIO3, }, |
| 121 | { NULL, W83627EHG_GPIO4, }, |
| 122 | { NULL, W83627EHG_GPIO5, }, |
| 123 | { NULL, W83627EHG_GPIO6, }, |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 124 | }; |
| 125 | |
| 126 | static void enable_dev(struct device *dev) |
| 127 | { |
Uwe Hermann | 340fa93 | 2010-11-10 14:53:36 +0000 | [diff] [blame] | 128 | pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | struct chip_operations superio_winbond_w83627ehg_ops = { |
Nicholas Sudsgaard | bfb11be | 2024-01-30 09:53:46 +0900 | [diff] [blame^] | 132 | .name = "Winbond W83627EHG Super I/O", |
Yinghai Lu | bc7ceb1 | 2007-02-03 15:28:20 +0000 | [diff] [blame] | 133 | .enable_dev = enable_dev, |
| 134 | }; |