src/superio/smsc/mec1308/superio.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* RAM driver for the SMSC MEC1308 Super I/O chip */
   4
   5 #include <device/device.h>
   6 #include <device/pnp.h>
   7 #include <superio/conf_mode.h>
   8 #include <pc80/keyboard.h>
   9
  10 #include "mec1308.h"
  11
  12 static void mec1308_init(struct device *dev)
  13 {
  14
  15         if (!dev->enabled)
  16                 return;
  17
  18         switch (dev->path.pnp.device) {
  19         case MEC1308_KBC:
  20                 pc_keyboard_init(NO_AUX_DEVICE);
  21                 break;
  22         }
  23 }
  24
  25 static struct device_operations ops = {
  26         .read_resources   = pnp_read_resources,
  27         .set_resources    = pnp_set_resources,
  28         .enable_resources = pnp_enable_resources,
  29         .enable           = pnp_alt_enable,
  30         .init             = mec1308_init,
  31         .ops_pnp_mode     = &pnp_conf_mode_55_aa,
  32 };
  33
  34 static struct pnp_info pnp_dev_info[] = {
  35         { NULL, MEC1308_PM1,  PNP_IO0, 0x7ff },
  36         { NULL, MEC1308_EC1,  PNP_IO0, 0x7ff },
  37         { NULL, MEC1308_EC2,  PNP_IO0, 0x7ff },
  38         { NULL, MEC1308_UART, PNP_IO0 | PNP_IRQ0, 0x0ff8, },
  39         { NULL, MEC1308_KBC,  PNP_IRQ0, 0 /* IO Fixed at 0x60/0x64 */ },
  40         { NULL, MEC1308_EC0,  PNP_IO0, 0x7ff },
  41         { NULL, MEC1308_MBX,  PNP_IO0, 0x7ff },
  42 };
  43
  44 static void enable_dev(struct device *dev)
  45 {
  46         pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  47 }
  48
  49 struct chip_operations superio_smsc_mec1308_ops = {
  50         .name = "SMSC MEC1308 EC SuperIO Interface",
  51         .enable_dev = enable_dev
  52 };