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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef SUPERIO_SCH555x_H
#define SUPERIO_SCH555x_H
#include <types.h>
// Global registers
#define SCH555x_DEVICE_ID 0x20
#define SCH555x_DEVICE_REV 0x21
#define SCH555x_DEVICE_MODE 0x24
// Logical device numbers
#define SCH555x_LDN_EMI 0x00
#define SCH555x_LDN_8042 0x01
#define SCH555x_LDN_UART1 0x07
#define SCH555x_LDN_UART2 0x08
#define SCH555x_LDN_RUNTIME 0x0a
#define SCH555x_LDN_FDC 0x0b
#define SCH555x_LDN_LPCI 0x0c
#define SCH555x_LDN_PP 0x11
#define SCH555x_LDN_GLOBAL 0x3f
// LPC interface registers
#define SCH555x_LPCI_IRQ(i) (0x40 + (i))
// DMA channel register is 2 bytes, we care about the second byte
#define SCH555x_LPCI_DMA(i) (0x50 + (i) * 2 + 1)
// BAR offset (inside LPCI) for each LDN
#define SCH555x_LPCI_LPCI_BAR 0x60
#define SCH555x_LPCI_EMI_BAR 0x64
#define SCH555x_LPCI_UART1_BAR 0x68
#define SCH555x_LPCI_UART2_BAR 0x6c
#define SCH555x_LPCI_RUNTIME_BAR 0x70
#define SCH555x_LPCI_8042_BAR 0x78
#define SCH555x_LPCI_FDC_BAR 0x7c
#define SCH555x_LPCI_PP_BAR 0x80
// Runtime registers (in I/O space)
#define SCH555x_RUNTIME_PME_STS 0x00
#define SCH555x_RUNTIME_PME_EN 0x01
#define SCH555x_RUNTIME_PME_EN1 0x05
#define SCH555x_RUNTIME_LED 0x25
// NOTE: not in the SCH5627P datasheet but Dell's firmware writes to it
#define SCH555x_RUNTIME_UNK1 0x35
// Needed in the bootblock, thus we map them at a fixed address
#define SCH555x_EMI_IOBASE 0xa00
#define SCH555x_RUNTIME_IOBASE 0xa40
/*
* EMI access
*/
uint8_t sch555x_emi_read8(uint16_t addr);
uint16_t sch555x_emi_read16(uint16_t addr);
uint32_t sch555x_emi_read32(uint16_t addr);
void sch555x_emi_write8(uint16_t addr, uint8_t val);
void sch555x_emi_write16(uint16_t addr, uint16_t val);
void sch555x_emi_write32(uint16_t addr, uint32_t val);
/*
* Bootblock entry points
*/
void sch555x_early_init(pnp_devfn_t global_dev);
void sch555x_enable_serial(pnp_devfn_t uart_dev, uint16_t serial_iobase);
#endif
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