1 files changed, 0 insertions, 163 deletions
diff --git a/resources/utilities/i945-pwm/i945-pwm.c b/resources/utilities/i945-pwm/i945-pwm.c
deleted file mode 100644
index e3dc5742..00000000
--- a/resources/utilities/i945-pwm/i945-pwm.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
-  Copyright (C) 2014  Michał Masłowski  <mtjm@mtjm.eu>
-
-  This program is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/* Try several backlight PWM frequencies and duty cycles to see which
-   expose the noise on X60 with coreboot.
-*/
-
-#include <assert.h>
-#include <fcntl.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <pci/pci.h>
-
-static struct pci_access *pacc;
-static uint32_t *map;
-static int fd;
-
-#define REGISTER 0x61254
-
-static void
-init (void)
-{
-  fd = -1;
-  /* Find the device. */
-  struct pci_dev *dev;
-  pacc = pci_alloc ();
-  pacc->writeable = 1;
-  pci_init (pacc);
-  pci_scan_bus (pacc);
-  for (dev = pacc->devices; dev != NULL; dev = dev->next)
-    {
-      pci_fill_info (dev, PCI_FILL_IDENT | PCI_FILL_BASES);
-      if (dev->vendor_id != 0x8086 || dev->device_id != 0x27a2)
-        continue;
-      break;
-    }
-  if (dev == NULL)
-    {
-      fprintf (stderr, "Device not found.\n");
-      goto fail;
-    }
-  /* Map a part of its MMIO. */
-  fd = open ("/dev/mem", O_RDWR);
-  if (fd == -1)
-    {
-      fprintf (stderr, "Cannot open memory.  Are you root?\n");
-      goto fail;
-    }
-  map = mmap (NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, dev->base_addr[0] + (REGISTER & (~4095)));
-  if (map != MAP_FAILED)
-    return;
-  else
-    perror ("mmap failed");
- fail:
-  if (pacc != NULL)
-    pci_cleanup (pacc);
-  if (fd != -1)
-    close (fd);
-  exit (1);
-}
-
-static void
-set_pwm (uint16_t freq, uint16_t duty)
-{
-  assert (duty <= freq);
-  map[((REGISTER - 4) & 4095) >> 2] = 0x80000000;
-  map[(REGISTER & 4095) >> 2] = ((freq | 1) << 16) | duty;
-}
-
-int
-main (void)
-{
-  init ();
-  int exponent = 8;
-  int diff = 0;
-  int divisor = 2;
-  uint16_t freq = 0x61;
-  uint16_t duties[] = {
-#if 1
-    // i945
-    0xf,
-    0x13,
-    0x19,
-    0x1f,
-    0x23,
-    0x29,
-    0x2f,
-    0x35,
-    0x39,
-    0x3f,
-    0x45,
-    0x4b,
-    0x4f,
-    0x55,
-    0x5b,
-    0x61
-#else
-    // gm45
-    0x2,
-    0x4,
-    0x5,
-    0x7,
-    0x9,
-    0xb,
-    0xd,
-    0x11,
-    0x14,
-    0x17,
-    0x1c,
-    0x20,
-    0x27,
-    0x31,
-    0x41,
-    0x61,
-#endif
-  };
-#if 1
-  for (unsigned int di = 0; di < sizeof (duties) / sizeof (duties[0]); di++)
-    {
-      uint16_t duty = duties[di];
-#else
-      for (uint16_t duty = 0; duty < 0x61; duty++)
-        {
-#endif
-#if 0
-        }
-#endif
-      uint16_t pwm_freq = (freq + diff) << exponent;
-      pwm_freq += (pwm_freq >> divisor);
-      //pwm_freq |= 0x33;
-      uint16_t pwm_duty = (duty + diff) << exponent;
-      pwm_duty += (pwm_duty >> divisor);
-      //pwm_duty |= 0x32;
-      set_pwm (pwm_freq, pwm_duty);
-      sleep (1);
-    }
-  if (pacc != NULL)
-    pci_cleanup (pacc);
-  if (map != NULL)
-    munmap (map, 4096);
-  if (fd != -1)
-    close (fd);
-  return 0;
-}