src/superio/smsc/lpc47m15x/superio.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* RAM driver for the SMSC LPC47M15X 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 "lpc47m15x.h"
  11
  12 /* Forward declarations */
  13 static void enable_dev(struct device *dev);
  14 static void lpc47m15x_init(struct device *dev);
  15
  16 struct chip_operations superio_smsc_lpc47m15x_ops = {
  17         CHIP_NAME("SMSC LPC47M15x/192/997 Super I/O")
  18         .enable_dev = enable_dev
  19 };
  20
  21 static struct device_operations ops = {
  22         .read_resources   = pnp_read_resources,
  23         .set_resources    = pnp_set_resources,
  24         .enable_resources = pnp_enable_resources,
  25         .enable           = pnp_alt_enable,
  26         .init             = lpc47m15x_init,
  27         .ops_pnp_mode     = &pnp_conf_mode_55_aa,
  28 };
  29
  30 static struct pnp_info pnp_dev_info[] = {
  31         { NULL, LPC47M15X_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
  32         { NULL, LPC47M15X_PP,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
  33         { NULL, LPC47M15X_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, },
  34         { NULL, LPC47M15X_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, },
  35         { NULL, LPC47M15X_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1,
  36                 0x07ff, 0x07ff, },
  37 };
  38
  39 static void enable_dev(struct device *dev)
  40 {
  41         pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  42 }
  43
  44 static void lpc47m15x_init(struct device *dev)
  45 {
  46
  47         if (!dev->enabled)
  48                 return;
  49
  50         switch (dev->path.pnp.device) {
  51         case LPC47M15X_KBC:
  52                 pc_keyboard_init(NO_AUX_DEVICE);
  53                 break;
  54         }
  55 }