src/superio/smsc/lpc47m10x/superio.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <device/device.h>
   4 #include <device/pnp.h>
   5 #include <superio/conf_mode.h>
   6 #include <pc80/keyboard.h>
   7
   8 #include "lpc47m10x.h"
   9
  10 /**
  11  * Initialize the specified Super I/O device.
  12  *
  13  * Devices other than COM ports and the keyboard controller are ignored.
  14  * For COM ports, we configure the baud rate.
  15  *
  16  * @param dev Pointer to structure describing a Super I/O device.
  17  */
  18 static void lpc47m10x_init(struct device *dev)
  19 {
  20         if (!dev->enabled)
  21                 return;
  22
  23         switch (dev->path.pnp.device) {
  24         case LPC47M10X2_KBC:
  25                 pc_keyboard_init(NO_AUX_DEVICE);
  26                 break;
  27         }
  28 }
  29
  30 static struct device_operations ops = {
  31         .read_resources   = pnp_read_resources,
  32         .set_resources    = pnp_set_resources,
  33         .enable_resources = pnp_enable_resources,
  34         .enable           = pnp_alt_enable,
  35         .init             = lpc47m10x_init,
  36         .ops_pnp_mode     = &pnp_conf_mode_55_aa,
  37 };
  38
  39 static struct pnp_info pnp_dev_info[] = {
  40         { NULL, LPC47M10X2_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
  41         { NULL, LPC47M10X2_PP,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
  42         { NULL, LPC47M10X2_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, },
  43         { NULL, LPC47M10X2_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, },
  44         { NULL, LPC47M10X2_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1,
  45                 0x07ff, 0x07ff, },
  46         { NULL, LPC47M10X2_PME, PNP_IO0, 0x0f80, },
  47 };
  48
  49 /**
  50  * Create device structures and allocate resources to devices specified in the
  51  * pnp_dev_info array (above).
  52  *
  53  * @param dev Pointer to structure describing a Super I/O device.
  54  */
  55 static void enable_dev(struct device *dev)
  56 {
  57         pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
  58 }
  59
  60 struct chip_operations superio_smsc_lpc47m10x_ops = {
  61         CHIP_NAME("SMSC LPC47M10x Super I/O")
  62         .enable_dev = enable_dev
  63 };