linux/drivers/misc/cardreader/rtsx_pcr.h
Ricky WU 86f4c65fd5 misc: rtsx: rts522a rts5228 rts5261 support Runtime PM
rts522a, rts5228, rts5261
add extra init flow for rtd3
add more power_down setting for avoid being woken up
by plugging or unplugging card when system in S3

Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/dace32f573a445908fec0a10482c394c@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-25 12:11:16 +01:00

133 lines
4.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Driver for Realtek PCI-Express card reader
*
* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
*
* Author:
* Wei WANG <wei_wang@realsil.com.cn>
*/
#ifndef __RTSX_PCR_H
#define __RTSX_PCR_H
#include <linux/rtsx_pci.h>
#define MIN_DIV_N_PCR 80
#define MAX_DIV_N_PCR 208
#define RTS522A_PME_FORCE_CTL 0xFF78
#define RTS522A_AUTOLOAD_CFG1 0xFF7C
#define RTS522A_PM_CTRL3 0xFF7E
#define RTS524A_PME_FORCE_CTL 0xFF78
#define REG_EFUSE_BYPASS 0x08
#define REG_EFUSE_POR 0x04
#define REG_EFUSE_POWER_MASK 0x03
#define REG_EFUSE_POWERON 0x03
#define REG_EFUSE_POWEROFF 0x00
#define RTS5250_CLK_CFG3 0xFF79
#define RTS525A_CFG_MEM_PD 0xF0
#define RTS524A_AUTOLOAD_CFG1 0xFF7C
#define RTS524A_PM_CTRL3 0xFF7E
#define RTS525A_BIOS_CFG 0xFF2D
#define RTS525A_LOAD_BIOS_FLAG 0x01
#define RTS525A_CLEAR_BIOS_FLAG 0x00
#define RTS525A_EFUSE_CTL 0xFC32
#define REG_EFUSE_ENABLE 0x80
#define REG_EFUSE_MODE 0x40
#define RTS525A_EFUSE_ADD 0xFC33
#define REG_EFUSE_ADD_MASK 0x3F
#define RTS525A_EFUSE_DATA 0xFC35
#define LTR_ACTIVE_LATENCY_DEF 0x883C
#define LTR_IDLE_LATENCY_DEF 0x892C
#define LTR_L1OFF_LATENCY_DEF 0x9003
#define L1_SNOOZE_DELAY_DEF 1
#define LTR_L1OFF_SSPWRGATE_5249_DEF 0xAF
#define LTR_L1OFF_SSPWRGATE_5250_DEF 0xFF
#define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF 0xAC
#define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF 0xF8
#define CMD_TIMEOUT_DEF 100
#define MASK_8_BIT_DEF 0xFF
#define SSC_CLOCK_STABLE_WAIT 130
#define RTS524A_OCP_THD_800 0x04
#define RTS525A_OCP_THD_800 0x05
#define RTS522A_OCP_THD_800 0x06
int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
void rts5209_init_params(struct rtsx_pcr *pcr);
void rts5229_init_params(struct rtsx_pcr *pcr);
void rtl8411_init_params(struct rtsx_pcr *pcr);
void rtl8402_init_params(struct rtsx_pcr *pcr);
void rts5227_init_params(struct rtsx_pcr *pcr);
void rts522a_init_params(struct rtsx_pcr *pcr);
void rts5249_init_params(struct rtsx_pcr *pcr);
void rts524a_init_params(struct rtsx_pcr *pcr);
void rts525a_init_params(struct rtsx_pcr *pcr);
void rtl8411b_init_params(struct rtsx_pcr *pcr);
void rts5260_init_params(struct rtsx_pcr *pcr);
void rts5261_init_params(struct rtsx_pcr *pcr);
void rts5228_init_params(struct rtsx_pcr *pcr);
static inline u8 map_sd_drive(int idx)
{
u8 sd_drive[4] = {
0x01, /* Type D */
0x02, /* Type C */
0x05, /* Type A */
0x03 /* Type B */
};
return sd_drive[idx];
}
#define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000))
#define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80))
#define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80)
#define rtsx_check_mmc_support(reg) ((reg) & 0x10)
#define rtsx_reg_to_rtd3(reg) ((reg) & 0x02)
#define rtsx_reg_to_rtd3_uhsii(reg) ((reg) & 0x04)
#define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03)
#define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03)
#define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03)
#define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6)
#define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000)
#define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03)
#define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08))
#define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07)
#define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07)
#define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8)
#define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07)
#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
#define set_pull_ctrl_tables(pcr, __device) \
do { \
pcr->sd_pull_ctl_enable_tbl = __device##_sd_pull_ctl_enable_tbl; \
pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
pcr->ms_pull_ctl_enable_tbl = __device##_ms_pull_ctl_enable_tbl; \
pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
} while (0)
/* generic operations */
int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);
void rtsx_pci_init_ocp(struct rtsx_pcr *pcr);
void rtsx_pci_disable_ocp(struct rtsx_pcr *pcr);
void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr);
int rtsx_pci_get_ocpstat(struct rtsx_pcr *pcr, u8 *val);
void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr);
void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr);
void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr);
int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr);
int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr);
#endif