1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* Driver for Realtek PCI-Express card reader 3 * 4 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. 5 * 6 * Author: 7 * Wei WANG <wei_wang@realsil.com.cn> 8 */ 9 10 #ifndef __RTSX_PCR_H 11 #define __RTSX_PCR_H 12 13 #include <linux/rtsx_pci.h> 14 15 #define MIN_DIV_N_PCR 80 16 #define MAX_DIV_N_PCR 208 17 18 #define RTS522A_PM_CTRL3 0xFF7E 19 20 #define RTS524A_PME_FORCE_CTL 0xFF78 21 #define REG_EFUSE_BYPASS 0x08 22 #define REG_EFUSE_POR 0x04 23 #define REG_EFUSE_POWER_MASK 0x03 24 #define REG_EFUSE_POWERON 0x03 25 #define REG_EFUSE_POWEROFF 0x00 26 #define RTS5250_CLK_CFG3 0xFF79 27 #define RTS525A_CFG_MEM_PD 0xF0 28 #define RTS524A_PM_CTRL3 0xFF7E 29 #define RTS525A_BIOS_CFG 0xFF2D 30 #define RTS525A_LOAD_BIOS_FLAG 0x01 31 #define RTS525A_CLEAR_BIOS_FLAG 0x00 32 33 #define RTS525A_EFUSE_CTL 0xFC32 34 #define REG_EFUSE_ENABLE 0x80 35 #define REG_EFUSE_MODE 0x40 36 #define RTS525A_EFUSE_ADD 0xFC33 37 #define REG_EFUSE_ADD_MASK 0x3F 38 #define RTS525A_EFUSE_DATA 0xFC35 39 40 #define LTR_ACTIVE_LATENCY_DEF 0x883C 41 #define LTR_IDLE_LATENCY_DEF 0x892C 42 #define LTR_L1OFF_LATENCY_DEF 0x9003 43 #define L1_SNOOZE_DELAY_DEF 1 44 #define LTR_L1OFF_SSPWRGATE_5249_DEF 0xAF 45 #define LTR_L1OFF_SSPWRGATE_5250_DEF 0xFF 46 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF 0xAC 47 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF 0xF8 48 #define CMD_TIMEOUT_DEF 100 49 #define MASK_8_BIT_DEF 0xFF 50 51 #define SSC_CLOCK_STABLE_WAIT 130 52 53 #define RTS524A_OCP_THD_800 0x04 54 #define RTS525A_OCP_THD_800 0x05 55 #define RTS522A_OCP_THD_800 0x06 56 57 58 int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val); 59 int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val); 60 61 void rts5209_init_params(struct rtsx_pcr *pcr); 62 void rts5229_init_params(struct rtsx_pcr *pcr); 63 void rtl8411_init_params(struct rtsx_pcr *pcr); 64 void rtl8402_init_params(struct rtsx_pcr *pcr); 65 void rts5227_init_params(struct rtsx_pcr *pcr); 66 void rts522a_init_params(struct rtsx_pcr *pcr); 67 void rts5249_init_params(struct rtsx_pcr *pcr); 68 void rts524a_init_params(struct rtsx_pcr *pcr); 69 void rts525a_init_params(struct rtsx_pcr *pcr); 70 void rtl8411b_init_params(struct rtsx_pcr *pcr); 71 void rts5260_init_params(struct rtsx_pcr *pcr); 72 void rts5261_init_params(struct rtsx_pcr *pcr); 73 void rts5228_init_params(struct rtsx_pcr *pcr); 74 75 static inline u8 map_sd_drive(int idx) 76 { 77 u8 sd_drive[4] = { 78 0x01, /* Type D */ 79 0x02, /* Type C */ 80 0x05, /* Type A */ 81 0x03 /* Type B */ 82 }; 83 84 return sd_drive[idx]; 85 } 86 87 #define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000)) 88 #define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80)) 89 #define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80) 90 91 #define rtsx_check_mmc_support(reg) ((reg) & 0x10) 92 #define rtsx_reg_to_rtd3(reg) ((reg) & 0x02) 93 #define rtsx_reg_to_rtd3_uhsii(reg) ((reg) & 0x04) 94 #define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03) 95 #define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03) 96 #define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03) 97 #define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6) 98 #define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000) 99 #define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03) 100 #define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08)) 101 #define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07) 102 #define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07) 103 #define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8) 104 #define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07) 105 #define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03) 106 107 #define set_pull_ctrl_tables(pcr, __device) \ 108 do { \ 109 pcr->sd_pull_ctl_enable_tbl = __device##_sd_pull_ctl_enable_tbl; \ 110 pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \ 111 pcr->ms_pull_ctl_enable_tbl = __device##_ms_pull_ctl_enable_tbl; \ 112 pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \ 113 } while (0) 114 115 /* generic operations */ 116 int rtsx_gops_pm_reset(struct rtsx_pcr *pcr); 117 int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency); 118 int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val); 119 void rtsx_pci_init_ocp(struct rtsx_pcr *pcr); 120 void rtsx_pci_disable_ocp(struct rtsx_pcr *pcr); 121 void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr); 122 int rtsx_pci_get_ocpstat(struct rtsx_pcr *pcr, u8 *val); 123 void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr); 124 void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr); 125 void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr); 126 int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr); 127 int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr); 128 129 #endif 130