src/patches/linux/linux-4.14-apu_leds.patch

   1 diff -Naur linux-4.14.101.org/arch/x86/Kconfig linux-4.14.101/arch/x86/Kconfig
   2 --- linux-4.14.101.org/arch/x86/Kconfig 2019-02-15 09:08:56.000000000 +0100
   3 +++ linux-4.14.101/arch/x86/Kconfig     2019-02-18 22:24:00.682722072 +0100
   4 @@ -2715,6 +2715,7 @@
   5            - AC adapter status updates
   6            - Battery status updates
   7
   8 +
   9  config ALIX
  10         bool "PCEngines ALIX System Support (LED setup)"
  11         select GPIOLIB
  12 @@ -2753,6 +2754,18 @@
  13
  14  endif # X86_32
  15
  16 +config APULED
  17 +       bool "PCEngines APU Led Support"
  18 +       depends on DMI
  19 +       ---help---
  20 +         This option enables system support for the PCEngines APU1.
  21 +
  22 +config APU2LED
  23 +       bool "PCEngines APU2/3/4 Led Support"
  24 +       depends on DMI
  25 +       ---help---
  26 +         This option enables system support for the PCEngines APU2/3/4.
  27 +
  28  config AMD_NB
  29         def_bool y
  30         depends on CPU_SUP_AMD && PCI
  31 diff -Naur linux-4.14.101.org/arch/x86/platform/apu/apu2-led.c linux-4.14.101/arch/x86/platform/apu/apu2-led.c
  32 --- linux-4.14.101.org/arch/x86/platform/apu/apu2-led.c 1970-01-01 01:00:00.000000000 +0100
  33 +++ linux-4.14.101/arch/x86/platform/apu/apu2-led.c     2019-02-18 22:30:08.503059825 +0100
  34 @@ -0,0 +1,183 @@
  35 +/*
  36 + * LEDs driver for PCEngines apu2/3/4
  37 + *
  38 + * this basic driver only set the output, configuration
  39 + * has already done by bios/coreboot.
  40 + * suspend/resume was not tested because IPFire not use it.
  41 + *
  42 + * Copyright (C) 2016 Arne Fitzenreiter <arne_f@ipfire.org> ,
  43 + * based on Christian Herzog's apu_led.
  44 + *
  45 + * This program is free software; you can redistribute it and/or modify
  46 + * it under the terms of the GNU General Public License version 2 as
  47 + * published by the Free Software Foundation.
  48 + */
  49 +
  50 +#include <linux/kernel.h>
  51 +#include <linux/module.h>
  52 +#include <linux/init.h>
  53 +#include <linux/platform_device.h>
  54 +#include <linux/leds.h>
  55 +#include <linux/err.h>
  56 +#include <asm/io.h>
  57 +#include <linux/dmi.h>
  58 +
  59 +#define DRVNAME                "apu2-led"
  60 +#define BASEADDR       (0xFED81610)
  61 +
  62 +static struct platform_device *pdev;
  63 +unsigned int *apu2_led_p1;
  64 +unsigned int *apu2_led_p2;
  65 +unsigned int *apu2_led_p3;
  66 +
  67 +static void apu2_led_set_1(struct led_classdev *led_cdev,
  68 +               enum led_brightness value) {
  69 +       if (value)
  70 +               iowrite32((ioread32(apu2_led_p1)&~BIT(22)), apu2_led_p1);
  71 +       else
  72 +               iowrite32((ioread32(apu2_led_p1)|BIT(22)), apu2_led_p1);
  73 +}
  74 +
  75 +static void apu2_led_set_2(struct led_classdev *led_cdev,
  76 +               enum led_brightness value) {
  77 +       if (value)
  78 +               iowrite32((ioread32(apu2_led_p2)&~BIT(22)), apu2_led_p2);
  79 +       else
  80 +               iowrite32((ioread32(apu2_led_p2)|BIT(22)), apu2_led_p2);
  81 +}
  82 +
  83 +static void apu2_led_set_3(struct led_classdev *led_cdev,
  84 +               enum led_brightness value) {
  85 +       if (value)
  86 +               iowrite32((ioread32(apu2_led_p3)&~BIT(22)), apu2_led_p3);
  87 +       else
  88 +               iowrite32((ioread32(apu2_led_p3)|BIT(22)), apu2_led_p3);
  89 +}
  90 +
  91 +static struct led_classdev apu2_led_1 = {
  92 +       .name           = "apu:1",
  93 +       .brightness_set = apu2_led_set_1,
  94 +};
  95 +
  96 +static struct led_classdev apu2_led_2 = {
  97 +       .name           = "apu:2",
  98 +       .brightness_set = apu2_led_set_2,
  99 +};
 100 +
 101 +static struct led_classdev apu2_led_3 = {
 102 +       .name           = "apu:3",
 103 +       .brightness_set = apu2_led_set_3,
 104 +};
 105 +
 106 +
 107 +#ifdef CONFIG_PM
 108 +static int apu2_led_suspend(struct platform_device *dev,
 109 +               pm_message_t state)
 110 +{
 111 +       led_classdev_suspend(&apu2_led_1);
 112 +       led_classdev_suspend(&apu2_led_2);
 113 +       led_classdev_suspend(&apu2_led_3);
 114 +       return 0;
 115 +}
 116 +
 117 +static int apu2_led_resume(struct platform_device *dev)
 118 +{
 119 +       led_classdev_resume(&apu2_led_1);
 120 +       led_classdev_resume(&apu2_led_2);
 121 +       led_classdev_resume(&apu2_led_3);
 122 +       return 0;
 123 +}
 124 +#else
 125 +#define apu2_led_suspend NULL
 126 +#define apu2_led_resume NULL
 127 +#endif
 128 +
 129 +static int apu2_led_probe(struct platform_device *pdev)
 130 +{
 131 +       int ret;
 132 +
 133 +       ret = led_classdev_register(&pdev->dev, &apu2_led_1);
 134 +       if (ret == 0)
 135 +       {
 136 +               ret = led_classdev_register(&pdev->dev, &apu2_led_2);
 137 +               if (ret >= 0)
 138 +               {
 139 +                       ret = led_classdev_register(&pdev->dev, &apu2_led_3);
 140 +                       if (ret < 0)
 141 +                               led_classdev_unregister(&apu2_led_2);
 142 +               }
 143 +               if (ret < 0)
 144 +                       led_classdev_unregister(&apu2_led_1);
 145 +       }
 146 +       return ret;
 147 +}
 148 +
 149 +static int apu2_led_remove(struct platform_device *pdev)
 150 +{
 151 +       led_classdev_unregister(&apu2_led_1);
 152 +       led_classdev_unregister(&apu2_led_2);
 153 +       led_classdev_unregister(&apu2_led_3);
 154 +       return 0;
 155 +}
 156 +
 157 +static struct platform_driver apu2_led_driver = {
 158 +       .probe          = apu2_led_probe,
 159 +       .remove         = apu2_led_remove,
 160 +       .suspend        = apu2_led_suspend,
 161 +       .resume         = apu2_led_resume,
 162 +       .driver         = {
 163 +       .name           = DRVNAME,
 164 +       .owner          = THIS_MODULE,
 165 +       },
 166 +};
 167 +
 168 +static int __init apu2_led_init(void)
 169 +{
 170 +       int ret=0;
 171 +       const char *vendor, *product;
 172 +
 173 +       vendor = dmi_get_system_info(DMI_SYS_VENDOR);
 174 +       if (!vendor || strcmp(vendor, "PC Engines"))
 175 +               goto out;
 176 +
 177 +       product = dmi_get_system_info(DMI_PRODUCT_NAME);
 178 +       if (!product || ( strcmp(product, "PC Engines apu2") &&
 179 +                         strcmp(product, "PC Engines apu3") &&
 180 +                         strcmp(product, "PC Engines apu4") &&
 181 +                         strcmp(product, "apu2") ) ) // apu2 on early bios relases
 182 +                       goto out;
 183 +
 184 +       printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
 185 +              KBUILD_MODNAME, vendor, product);
 186 +
 187 +       ret = platform_driver_register(&apu2_led_driver);
 188 +       if (ret < 0)
 189 +               goto out;
 190 +
 191 +       pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
 192 +       if (IS_ERR(pdev)) {
 193 +               ret = PTR_ERR(pdev);
 194 +               platform_driver_unregister(&apu2_led_driver);
 195 +               goto out;
 196 +       }
 197 +
 198 +       apu2_led_p1 = ioremap(BASEADDR, 4);
 199 +       apu2_led_p2 = ioremap(BASEADDR+4, 4);
 200 +       apu2_led_p3 = ioremap(BASEADDR+8, 4);
 201 +
 202 +out:
 203 +       return ret;
 204 +}
 205 +
 206 +static void __exit apu2_led_exit(void)
 207 +{
 208 +       platform_device_unregister(pdev);
 209 +       platform_driver_unregister(&apu2_led_driver);
 210 +}
 211 +
 212 +module_init(apu2_led_init);
 213 +module_exit(apu2_led_exit);
 214 +
 215 +MODULE_AUTHOR("Arne Fitzenreiter");
 216 +MODULE_DESCRIPTION("PCEngines apu2/3/4 LED driver");
 217 +MODULE_LICENSE("GPL");
 218 diff -Naur linux-4.14.101.org/arch/x86/platform/apu/apu-led.c linux-4.14.101/arch/x86/platform/apu/apu-led.c
 219 --- linux-4.14.101.org/arch/x86/platform/apu/apu-led.c  1970-01-01 01:00:00.000000000 +0100
 220 +++ linux-4.14.101/arch/x86/platform/apu/apu-led.c      2019-02-18 22:24:00.686721439 +0100
 221 @@ -0,0 +1,181 @@
 222 +/*
 223 + * LEDs driver for PCEngines apu
 224 + *
 225 + * Copyright (C) 2013 Christian Herzog <daduke@daduke.org>, based on
 226 + * Petr Leibman's leds-alix
 227 + * Hardware presence check added by Arne Fitzenreiter <arne_f@ipfire.org>
 228 + * Based on leds-wrap.c
 229 + * Hardware info taken from http://www.dpie.com/manuals/miniboards/kontron/KTD-S0043-0_KTA55_SoftwareGuide.pdf
 230 + *
 231 + * This program is free software; you can redistribute it and/or modify
 232 + * it under the terms of the GNU General Public License version 2 as
 233 + * published by the Free Software Foundation.
 234 + */
 235 +
 236 +#include <linux/kernel.h>
 237 +#include <linux/module.h>
 238 +#include <linux/init.h>
 239 +#include <linux/platform_device.h>
 240 +#include <linux/leds.h>
 241 +#include <linux/err.h>
 242 +#include <asm/io.h>
 243 +#include <linux/dmi.h>
 244 +
 245 +#define DRVNAME                "apu-led"
 246 +#define BASEADDR       (0xFED801BD)
 247 +#define LEDON          (0x8)
 248 +#define LEDOFF         (0xC8)
 249 +
 250 +static struct platform_device *pdev;
 251 +unsigned int *apu_led_p1;
 252 +unsigned int *apu_led_p2;
 253 +unsigned int *apu_led_p3;
 254 +
 255 +static void apu_led_set_1(struct led_classdev *led_cdev,
 256 +               enum led_brightness value) {
 257 +       if (value)
 258 +               iowrite8(LEDON, apu_led_p1);
 259 +       else
 260 +               iowrite8(LEDOFF, apu_led_p1);
 261 +}
 262 +
 263 +static void apu_led_set_2(struct led_classdev *led_cdev,
 264 +               enum led_brightness value) {
 265 +       if (value)
 266 +               iowrite8(LEDON, apu_led_p2);
 267 +       else
 268 +               iowrite8(LEDOFF, apu_led_p2);
 269 +}
 270 +
 271 +static void apu_led_set_3(struct led_classdev *led_cdev,
 272 +               enum led_brightness value) {
 273 +       if (value)
 274 +               iowrite8(LEDON, apu_led_p3);
 275 +       else
 276 +               iowrite8(LEDOFF, apu_led_p3);
 277 +}
 278 +
 279 +static struct led_classdev apu_led_1 = {
 280 +       .name           = "apu:1",
 281 +       .brightness_set = apu_led_set_1,
 282 +};
 283 +
 284 +static struct led_classdev apu_led_2 = {
 285 +       .name           = "apu:2",
 286 +       .brightness_set = apu_led_set_2,
 287 +};
 288 +
 289 +static struct led_classdev apu_led_3 = {
 290 +       .name           = "apu:3",
 291 +       .brightness_set = apu_led_set_3,
 292 +};
 293 +
 294 +
 295 +#ifdef CONFIG_PM
 296 +static int apu_led_suspend(struct platform_device *dev,
 297 +               pm_message_t state)
 298 +{
 299 +       led_classdev_suspend(&apu_led_1);
 300 +       led_classdev_suspend(&apu_led_2);
 301 +       led_classdev_suspend(&apu_led_3);
 302 +       return 0;
 303 +}
 304 +
 305 +static int apu_led_resume(struct platform_device *dev)
 306 +{
 307 +       led_classdev_resume(&apu_led_1);
 308 +       led_classdev_resume(&apu_led_2);
 309 +       led_classdev_resume(&apu_led_3);
 310 +       return 0;
 311 +}
 312 +#else
 313 +#define apu_led_suspend NULL
 314 +#define apu_led_resume NULL
 315 +#endif
 316 +
 317 +static int apu_led_probe(struct platform_device *pdev)
 318 +{
 319 +       int ret;
 320 +
 321 +       ret = led_classdev_register(&pdev->dev, &apu_led_1);
 322 +       if (ret == 0)
 323 +       {
 324 +               ret = led_classdev_register(&pdev->dev, &apu_led_2);
 325 +               if (ret >= 0)
 326 +               {
 327 +                       ret = led_classdev_register(&pdev->dev, &apu_led_3);
 328 +                       if (ret < 0)
 329 +                               led_classdev_unregister(&apu_led_2);
 330 +               }
 331 +               if (ret < 0)
 332 +                       led_classdev_unregister(&apu_led_1);
 333 +       }
 334 +       return ret;
 335 +}
 336 +
 337 +static int apu_led_remove(struct platform_device *pdev)
 338 +{
 339 +       led_classdev_unregister(&apu_led_1);
 340 +       led_classdev_unregister(&apu_led_2);
 341 +       led_classdev_unregister(&apu_led_3);
 342 +       return 0;
 343 +}
 344 +
 345 +static struct platform_driver apu_led_driver = {
 346 +       .probe          = apu_led_probe,
 347 +       .remove         = apu_led_remove,
 348 +       .suspend        = apu_led_suspend,
 349 +       .resume         = apu_led_resume,
 350 +       .driver         = {
 351 +       .name           = DRVNAME,
 352 +       .owner          = THIS_MODULE,
 353 +       },
 354 +};
 355 +
 356 +static int __init apu_led_init(void)
 357 +{
 358 +       int ret=0;
 359 +       const char *vendor, *product;
 360 +
 361 +       vendor = dmi_get_system_info(DMI_SYS_VENDOR);
 362 +       if (!vendor || strcmp(vendor, "PC Engines"))
 363 +               goto out;
 364 +
 365 +       product = dmi_get_system_info(DMI_PRODUCT_NAME);
 366 +       if (!product || strcmp(product, "APU"))
 367 +               goto out;
 368 +
 369 +       printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
 370 +              KBUILD_MODNAME, vendor, product);
 371 +
 372 +       ret = platform_driver_register(&apu_led_driver);
 373 +       if (ret < 0)
 374 +               goto out;
 375 +
 376 +       pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
 377 +       if (IS_ERR(pdev)) {
 378 +               ret = PTR_ERR(pdev);
 379 +               platform_driver_unregister(&apu_led_driver);
 380 +               goto out;
 381 +       }
 382 +
 383 +       apu_led_p1 = ioremap(BASEADDR, 1);
 384 +       apu_led_p2 = ioremap(BASEADDR+1, 1);
 385 +       apu_led_p3 = ioremap(BASEADDR+2, 1);
 386 +
 387 +out:
 388 +       return ret;
 389 +}
 390 +
 391 +static void __exit apu_led_exit(void)
 392 +{
 393 +       platform_device_unregister(pdev);
 394 +       platform_driver_unregister(&apu_led_driver);
 395 +}
 396 +
 397 +module_init(apu_led_init);
 398 +module_exit(apu_led_exit);
 399 +
 400 +MODULE_AUTHOR("Christian Herzog");
 401 +MODULE_DESCRIPTION("PCEngines apu LED driver");
 402 +MODULE_LICENSE("GPL");
 403 diff -Naur linux-4.14.101.org/arch/x86/platform/apu/Makefile linux-4.14.101/arch/x86/platform/apu/Makefile
 404 --- linux-4.14.101.org/arch/x86/platform/apu/Makefile   1970-01-01 01:00:00.000000000 +0100
 405 +++ linux-4.14.101/arch/x86/platform/apu/Makefile       2019-02-18 22:24:00.686721439 +0100
 406 @@ -0,0 +1,2 @@
 407 +obj-$(CONFIG_APULED)           += apu-led.o
 408 +obj-$(CONFIG_APU2LED)          += apu2-led.o
 409 diff -Naur linux-4.14.101.org/arch/x86/platform/Makefile linux-4.14.101/arch/x86/platform/Makefile
 410 --- linux-4.14.101.org/arch/x86/platform/Makefile       2019-02-15 09:08:56.000000000 +0100
 411 +++ linux-4.14.101/arch/x86/platform/Makefile   2019-02-18 22:24:00.686721439 +0100
 412 @@ -1,5 +1,6 @@
 413  # SPDX-License-Identifier: GPL-2.0
 414  # Platform specific code goes here
 415 +obj-y  += apu/
 416  obj-y  += atom/
 417  obj-y  += ce4100/
 418  obj-y  += efi/