src/patches/linux/linux-4.9.8-apu_leds.patch

   1 diff -Naur linux-4.9.8.org/arch/x86/Kconfig linux-4.9.8/arch/x86/Kconfig
   2 --- linux-4.9.8.org/arch/x86/Kconfig    2017-02-04 09:47:29.000000000 +0100
   3 +++ linux-4.9.8/arch/x86/Kconfig        2017-02-09 19:29:59.244945360 +0100
   4 @@ -2604,6 +2604,7 @@
   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 @@ -2642,6 +2643,18 @@
  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 Led Support"
  24 +       depends on DMI
  25 +       ---help---
  26 +         This option enables system support for the PCEngines APU2.
  27 +
  28  config AMD_NB
  29         def_bool y
  30         depends on CPU_SUP_AMD && PCI
  31 diff -Naur linux-4.9.8.org/arch/x86/platform/apu/apu2-led.c linux-4.9.8/arch/x86/platform/apu/apu2-led.c
  32 --- linux-4.9.8.org/arch/x86/platform/apu/apu2-led.c    1970-01-01 01:00:00.000000000 +0100
  33 +++ linux-4.9.8/arch/x86/platform/apu/apu2-led.c        2017-02-09 19:29:59.244945360 +0100
  34 @@ -0,0 +1,180 @@
  35 +/*
  36 + * LEDs driver for PCEngines apu2
  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") && strcmp(product, "apu2")) )
 179 +                       goto out;
 180 +
 181 +       printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
 182 +              KBUILD_MODNAME, vendor, product);
 183 +
 184 +       ret = platform_driver_register(&apu2_led_driver);
 185 +       if (ret < 0)
 186 +               goto out;
 187 +
 188 +       pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
 189 +       if (IS_ERR(pdev)) {
 190 +               ret = PTR_ERR(pdev);
 191 +               platform_driver_unregister(&apu2_led_driver);
 192 +               goto out;
 193 +       }
 194 +
 195 +       apu2_led_p1 = ioremap(BASEADDR, 4);
 196 +       apu2_led_p2 = ioremap(BASEADDR+4, 4);
 197 +       apu2_led_p3 = ioremap(BASEADDR+8, 4);
 198 +
 199 +out:
 200 +       return ret;
 201 +}
 202 +
 203 +static void __exit apu2_led_exit(void)
 204 +{
 205 +       platform_device_unregister(pdev);
 206 +       platform_driver_unregister(&apu2_led_driver);
 207 +}
 208 +
 209 +module_init(apu2_led_init);
 210 +module_exit(apu2_led_exit);
 211 +
 212 +MODULE_AUTHOR("Arne Fitzenreiter");
 213 +MODULE_DESCRIPTION("PCEngines apu2 LED driver");
 214 +MODULE_LICENSE("GPL");
 215 diff -Naur linux-4.9.8.org/arch/x86/platform/apu/apu-led.c linux-4.9.8/arch/x86/platform/apu/apu-led.c
 216 --- linux-4.9.8.org/arch/x86/platform/apu/apu-led.c     1970-01-01 01:00:00.000000000 +0100
 217 +++ linux-4.9.8/arch/x86/platform/apu/apu-led.c 2017-02-09 19:29:59.244945360 +0100
 218 @@ -0,0 +1,181 @@
 219 +/*
 220 + * LEDs driver for PCEngines apu
 221 + *
 222 + * Copyright (C) 2013 Christian Herzog <daduke@daduke.org>, based on
 223 + * Petr Leibman's leds-alix
 224 + * Hardware presence check added by Arne Fitzenreiter <arne_f@ipfire.org>
 225 + * Based on leds-wrap.c
 226 + * Hardware info taken from http://www.dpie.com/manuals/miniboards/kontron/KTD-S0043-0_KTA55_SoftwareGuide.pdf
 227 + *
 228 + * This program is free software; you can redistribute it and/or modify
 229 + * it under the terms of the GNU General Public License version 2 as
 230 + * published by the Free Software Foundation.
 231 + */
 232 +
 233 +#include <linux/kernel.h>
 234 +#include <linux/module.h>
 235 +#include <linux/init.h>
 236 +#include <linux/platform_device.h>
 237 +#include <linux/leds.h>
 238 +#include <linux/err.h>
 239 +#include <asm/io.h>
 240 +#include <linux/dmi.h>
 241 +
 242 +#define DRVNAME                "apu-led"
 243 +#define BASEADDR       (0xFED801BD)
 244 +#define LEDON          (0x8)
 245 +#define LEDOFF         (0xC8)
 246 +
 247 +static struct platform_device *pdev;
 248 +unsigned int *apu_led_p1;
 249 +unsigned int *apu_led_p2;
 250 +unsigned int *apu_led_p3;
 251 +
 252 +static void apu_led_set_1(struct led_classdev *led_cdev,
 253 +               enum led_brightness value) {
 254 +       if (value)
 255 +               iowrite8(LEDON, apu_led_p1);
 256 +       else
 257 +               iowrite8(LEDOFF, apu_led_p1);
 258 +}
 259 +
 260 +static void apu_led_set_2(struct led_classdev *led_cdev,
 261 +               enum led_brightness value) {
 262 +       if (value)
 263 +               iowrite8(LEDON, apu_led_p2);
 264 +       else
 265 +               iowrite8(LEDOFF, apu_led_p2);
 266 +}
 267 +
 268 +static void apu_led_set_3(struct led_classdev *led_cdev,
 269 +               enum led_brightness value) {
 270 +       if (value)
 271 +               iowrite8(LEDON, apu_led_p3);
 272 +       else
 273 +               iowrite8(LEDOFF, apu_led_p3);
 274 +}
 275 +
 276 +static struct led_classdev apu_led_1 = {
 277 +       .name           = "apu:1",
 278 +       .brightness_set = apu_led_set_1,
 279 +};
 280 +
 281 +static struct led_classdev apu_led_2 = {
 282 +       .name           = "apu:2",
 283 +       .brightness_set = apu_led_set_2,
 284 +};
 285 +
 286 +static struct led_classdev apu_led_3 = {
 287 +       .name           = "apu:3",
 288 +       .brightness_set = apu_led_set_3,
 289 +};
 290 +
 291 +
 292 +#ifdef CONFIG_PM
 293 +static int apu_led_suspend(struct platform_device *dev,
 294 +               pm_message_t state)
 295 +{
 296 +       led_classdev_suspend(&apu_led_1);
 297 +       led_classdev_suspend(&apu_led_2);
 298 +       led_classdev_suspend(&apu_led_3);
 299 +       return 0;
 300 +}
 301 +
 302 +static int apu_led_resume(struct platform_device *dev)
 303 +{
 304 +       led_classdev_resume(&apu_led_1);
 305 +       led_classdev_resume(&apu_led_2);
 306 +       led_classdev_resume(&apu_led_3);
 307 +       return 0;
 308 +}
 309 +#else
 310 +#define apu_led_suspend NULL
 311 +#define apu_led_resume NULL
 312 +#endif
 313 +
 314 +static int apu_led_probe(struct platform_device *pdev)
 315 +{
 316 +       int ret;
 317 +
 318 +       ret = led_classdev_register(&pdev->dev, &apu_led_1);
 319 +       if (ret == 0)
 320 +       {
 321 +               ret = led_classdev_register(&pdev->dev, &apu_led_2);
 322 +               if (ret >= 0)
 323 +               {
 324 +                       ret = led_classdev_register(&pdev->dev, &apu_led_3);
 325 +                       if (ret < 0)
 326 +                               led_classdev_unregister(&apu_led_2);
 327 +               }
 328 +               if (ret < 0)
 329 +                       led_classdev_unregister(&apu_led_1);
 330 +       }
 331 +       return ret;
 332 +}
 333 +
 334 +static int apu_led_remove(struct platform_device *pdev)
 335 +{
 336 +       led_classdev_unregister(&apu_led_1);
 337 +       led_classdev_unregister(&apu_led_2);
 338 +       led_classdev_unregister(&apu_led_3);
 339 +       return 0;
 340 +}
 341 +
 342 +static struct platform_driver apu_led_driver = {
 343 +       .probe          = apu_led_probe,
 344 +       .remove         = apu_led_remove,
 345 +       .suspend        = apu_led_suspend,
 346 +       .resume         = apu_led_resume,
 347 +       .driver         = {
 348 +       .name           = DRVNAME,
 349 +       .owner          = THIS_MODULE,
 350 +       },
 351 +};
 352 +
 353 +static int __init apu_led_init(void)
 354 +{
 355 +       int ret=0;
 356 +       const char *vendor, *product;
 357 +
 358 +       vendor = dmi_get_system_info(DMI_SYS_VENDOR);
 359 +       if (!vendor || strcmp(vendor, "PC Engines"))
 360 +               goto out;
 361 +
 362 +       product = dmi_get_system_info(DMI_PRODUCT_NAME);
 363 +       if (!product || strcmp(product, "APU"))
 364 +               goto out;
 365 +
 366 +       printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
 367 +              KBUILD_MODNAME, vendor, product);
 368 +
 369 +       ret = platform_driver_register(&apu_led_driver);
 370 +       if (ret < 0)
 371 +               goto out;
 372 +
 373 +       pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
 374 +       if (IS_ERR(pdev)) {
 375 +               ret = PTR_ERR(pdev);
 376 +               platform_driver_unregister(&apu_led_driver);
 377 +               goto out;
 378 +       }
 379 +
 380 +       apu_led_p1 = ioremap(BASEADDR, 1);
 381 +       apu_led_p2 = ioremap(BASEADDR+1, 1);
 382 +       apu_led_p3 = ioremap(BASEADDR+2, 1);
 383 +
 384 +out:
 385 +       return ret;
 386 +}
 387 +
 388 +static void __exit apu_led_exit(void)
 389 +{
 390 +       platform_device_unregister(pdev);
 391 +       platform_driver_unregister(&apu_led_driver);
 392 +}
 393 +
 394 +module_init(apu_led_init);
 395 +module_exit(apu_led_exit);
 396 +
 397 +MODULE_AUTHOR("Christian Herzog");
 398 +MODULE_DESCRIPTION("PCEngines apu LED driver");
 399 +MODULE_LICENSE("GPL");
 400 diff -Naur linux-4.9.8.org/arch/x86/platform/apu/Makefile linux-4.9.8/arch/x86/platform/apu/Makefile
 401 --- linux-4.9.8.org/arch/x86/platform/apu/Makefile      1970-01-01 01:00:00.000000000 +0100
 402 +++ linux-4.9.8/arch/x86/platform/apu/Makefile  2017-02-09 19:29:59.244945360 +0100
 403 @@ -0,0 +1,2 @@
 404 +obj-$(CONFIG_APULED)           += apu-led.o
 405 +obj-$(CONFIG_APU2LED)          += apu2-led.o
 406 diff -Naur linux-4.9.8.org/arch/x86/platform/Makefile linux-4.9.8/arch/x86/platform/Makefile
 407 --- linux-4.9.8.org/arch/x86/platform/Makefile  2017-02-04 09:47:29.000000000 +0100
 408 +++ linux-4.9.8/arch/x86/platform/Makefile      2017-02-09 19:32:31.768269470 +0100
 409 @@ -1,4 +1,5 @@
 410  # Platform specific code goes here
 411 +obj-y  += apu/
 412  obj-y  += atom/
 413  obj-y  += ce4100/
 414  obj-y  += efi/