| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 426 | 56.88% | 1 | 14.29% | |
| 248 | 33.11% | 1 | 14.29% | |
| 68 | 9.08% | 1 | 14.29% | |
| 3 | 0.40% | 1 | 14.29% | |
| 2 | 0.27% | 1 | 14.29% | |
| 1 | 0.13% | 1 | 14.29% | |
| 1 | 0.13% | 1 | 14.29% | |
| Total | 749 | 7 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ed Wildgoose | 426 | 56.88% | 1 | 14.29% |
| Philip A. Prindeville | 248 | 33.11% | 1 | 14.29% |
| Linus Walleij | 68 | 9.08% | 1 | 14.29% |
| Paul Gortmaker | 3 | 0.40% | 1 | 14.29% |
| Thomas Gleixner | 2 | 0.27% | 1 | 14.29% |
| Rusty Russell | 1 | 0.13% | 1 | 14.29% |
| Bartlomiej Zolnierkiewicz | 1 | 0.13% | 1 | 14.29% |
| Total | 749 | 7 |
// SPDX-License-Identifier: GPL-2.0-only /* * System Specific setup for PCEngines ALIX. * At the moment this means setup of GPIO control of LEDs * on Alix.2/3/6 boards. * * Copyright (C) 2008 Constantin Baranov <const@mimas.ru> * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com> * and Philip Prindeville <philipp@redfish-solutions.com> * * TODO: There are large similarities with leds-net5501.c * by Alessandro Zummo <a.zummo@towertech.it> * In the future leds-net5501.c should be migrated over to platform */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> #include <linux/string.h> #include <linux/moduleparam.h> #include <linux/leds.h> #include <linux/platform_device.h> #include <linux/input.h> #include <linux/gpio_keys.h> #include <linux/gpio/machine.h> #include <linux/dmi.h> #include <asm/geode.h> #define BIOS_SIGNATURE_TINYBIOS 0xf0000 #define BIOS_SIGNATURE_COREBOOT 0x500 #define BIOS_REGION_SIZE 0x10000 /* * This driver is not modular, but to keep back compatibility * with existing use cases, continuing with module_param is * the easiest way forward. */ static bool force = 0; module_param(force, bool, 0444); /* FIXME: Award bios is not automatically detected as Alix platform */ MODULE_PARM_DESC(force, "Force detection as ALIX.2/ALIX.3 platform"); static struct gpio_keys_button alix_gpio_buttons[] = { { .code = KEY_RESTART, .gpio = 24, .active_low = 1, .desc = "Reset button", .type = EV_KEY, .wakeup = 0, .debounce_interval = 100, .can_disable = 0, } }; static struct gpio_keys_platform_data alix_buttons_data = { .buttons = alix_gpio_buttons, .nbuttons = ARRAY_SIZE(alix_gpio_buttons), .poll_interval = 20, }; static struct platform_device alix_buttons_dev = { .name = "gpio-keys-polled", .id = 1, .dev = { .platform_data = &alix_buttons_data, } }; static struct gpio_led alix_leds[] = { { .name = "alix:1", .default_trigger = "default-on", }, { .name = "alix:2", .default_trigger = "default-off", }, { .name = "alix:3", .default_trigger = "default-off", }, }; static struct gpio_led_platform_data alix_leds_data = { .num_leds = ARRAY_SIZE(alix_leds), .leds = alix_leds, }; static struct gpiod_lookup_table alix_leds_gpio_table = { .dev_id = "leds-gpio", .table = { /* The Geode GPIOs should be on the CS5535 companion chip */ GPIO_LOOKUP_IDX("cs5535-gpio", 6, NULL, 0, GPIO_ACTIVE_LOW), GPIO_LOOKUP_IDX("cs5535-gpio", 25, NULL, 1, GPIO_ACTIVE_LOW), GPIO_LOOKUP_IDX("cs5535-gpio", 27, NULL, 2, GPIO_ACTIVE_LOW), { } }, }; static struct platform_device alix_leds_dev = { .name = "leds-gpio", .id = -1, .dev.platform_data = &alix_leds_data, }; static struct platform_device *alix_devs[] __initdata = { &alix_buttons_dev, &alix_leds_dev, }; static void __init register_alix(void) { /* Setup LED control through leds-gpio driver */ gpiod_add_lookup_table(&alix_leds_gpio_table); platform_add_devices(alix_devs, ARRAY_SIZE(alix_devs)); } static bool __init alix_present(unsigned long bios_phys, const char *alix_sig, size_t alix_sig_len) { const size_t bios_len = BIOS_REGION_SIZE; const char *bios_virt; const char *scan_end; const char *p; char name[64]; if (force) { printk(KERN_NOTICE "%s: forced to skip BIOS test, " "assume system is ALIX.2/ALIX.3\n", KBUILD_MODNAME); return true; } bios_virt = phys_to_virt(bios_phys); scan_end = bios_virt + bios_len - (alix_sig_len + 2); for (p = bios_virt; p < scan_end; p++) { const char *tail; char *a; if (memcmp(p, alix_sig, alix_sig_len) != 0) continue; memcpy(name, p, sizeof(name)); /* remove the first \0 character from string */ a = strchr(name, '\0'); if (a) *a = ' '; /* cut the string at a newline */ a = strchr(name, '\r'); if (a) *a = '\0'; tail = p + alix_sig_len; if ((tail[0] == '2' || tail[0] == '3' || tail[0] == '6')) { printk(KERN_INFO "%s: system is recognized as \"%s\"\n", KBUILD_MODNAME, name); return true; } } return false; } static bool __init alix_present_dmi(void) { const char *vendor, *product; vendor = dmi_get_system_info(DMI_SYS_VENDOR); if (!vendor || strcmp(vendor, "PC Engines")) return false; product = dmi_get_system_info(DMI_PRODUCT_NAME); if (!product || (strcmp(product, "ALIX.2D") && strcmp(product, "ALIX.6"))) return false; printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n", KBUILD_MODNAME, vendor, product); return true; } static int __init alix_init(void) { const char tinybios_sig[] = "PC Engines ALIX."; const char coreboot_sig[] = "PC Engines\0ALIX."; if (!is_geode()) return 0; if (alix_present(BIOS_SIGNATURE_TINYBIOS, tinybios_sig, sizeof(tinybios_sig) - 1) || alix_present(BIOS_SIGNATURE_COREBOOT, coreboot_sig, sizeof(coreboot_sig) - 1) || alix_present_dmi()) register_alix(); return 0; } device_initcall(alix_init);