diff options
Diffstat (limited to 'drivers/misc/cardreader/rts5249.c')
| -rw-r--r-- | drivers/misc/cardreader/rts5249.c | 742 |
1 files changed, 742 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c new file mode 100644 index 000000000..45cd75041 --- /dev/null +++ b/drivers/misc/cardreader/rts5249.c @@ -0,0 +1,742 @@ +/* Driver for Realtek PCI-Express card reader + * + * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * Wei WANG <wei_wang@realsil.com.cn> + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/rtsx_pci.h> + +#include "rtsx_pcr.h" + +static u8 rts5249_get_ic_version(struct rtsx_pcr *pcr) +{ + u8 val; + + rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val); + return val & 0x0F; +} + +static void rts5249_fill_driving(struct rtsx_pcr *pcr, u8 voltage) +{ + u8 driving_3v3[4][3] = { + {0x11, 0x11, 0x18}, + {0x55, 0x55, 0x5C}, + {0xFF, 0xFF, 0xFF}, + {0x96, 0x96, 0x96}, + }; + u8 driving_1v8[4][3] = { + {0xC4, 0xC4, 0xC4}, + {0x3C, 0x3C, 0x3C}, + {0xFE, 0xFE, 0xFE}, + {0xB3, 0xB3, 0xB3}, + }; + u8 (*driving)[3], drive_sel; + + if (voltage == OUTPUT_3V3) { + driving = driving_3v3; + drive_sel = pcr->sd30_drive_sel_3v3; + } else { + driving = driving_1v8; + drive_sel = pcr->sd30_drive_sel_1v8; + } + + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL, + 0xFF, driving[drive_sel][0]); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL, + 0xFF, driving[drive_sel][1]); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL, + 0xFF, driving[drive_sel][2]); +} + +static void rtsx_base_fetch_vendor_settings(struct rtsx_pcr *pcr) +{ + u32 reg; + + rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, ®); + pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg); + + if (!rtsx_vendor_setting_valid(reg)) { + pcr_dbg(pcr, "skip fetch vendor setting\n"); + return; + } + + pcr->aspm_en = rtsx_reg_to_aspm(reg); + pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg); + pcr->card_drive_sel &= 0x3F; + pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg); + + rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, ®); + pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg); + pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg); + if (rtsx_reg_check_reverse_socket(reg)) + pcr->flags |= PCR_REVERSE_SOCKET; +} + +static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) +{ + /* Set relink_time to 0 */ + rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0); + rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0); + rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0); + + if (pm_state == HOST_ENTER_S3) + rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, + D3_DELINK_MODE_EN, D3_DELINK_MODE_EN); + + rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03); +} + +static void rts5249_init_from_cfg(struct rtsx_pcr *pcr) +{ + struct rtsx_cr_option *option = &(pcr->option); + u32 lval; + + if (CHK_PCI_PID(pcr, PID_524A)) + rtsx_pci_read_config_dword(pcr, + PCR_ASPM_SETTING_REG1, &lval); + else + rtsx_pci_read_config_dword(pcr, + PCR_ASPM_SETTING_REG2, &lval); + + if (lval & ASPM_L1_1_EN_MASK) + rtsx_set_dev_flag(pcr, ASPM_L1_1_EN); + + if (lval & ASPM_L1_2_EN_MASK) + rtsx_set_dev_flag(pcr, ASPM_L1_2_EN); + + if (lval & PM_L1_1_EN_MASK) + rtsx_set_dev_flag(pcr, PM_L1_1_EN); + + if (lval & PM_L1_2_EN_MASK) + rtsx_set_dev_flag(pcr, PM_L1_2_EN); + + if (option->ltr_en) { + u16 val; + + pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val); + if (val & PCI_EXP_DEVCTL2_LTR_EN) { + option->ltr_enabled = true; + option->ltr_active = true; + rtsx_set_ltr_latency(pcr, option->ltr_active_latency); + } else { + option->ltr_enabled = false; + } + } +} + +static int rts5249_init_from_hw(struct rtsx_pcr *pcr) +{ + struct rtsx_cr_option *option = &(pcr->option); + + if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN + | PM_L1_1_EN | PM_L1_2_EN)) + option->force_clkreq_0 = false; + else + option->force_clkreq_0 = true; + + return 0; +} + +static int rts5249_extra_init_hw(struct rtsx_pcr *pcr) +{ + struct rtsx_cr_option *option = &(pcr->option); + + rts5249_init_from_cfg(pcr); + rts5249_init_from_hw(pcr); + + rtsx_pci_init_cmd(pcr); + + /* Rest L1SUB Config */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG3, 0xFF, 0x00); + /* Configure GPIO as output */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02); + /* Reset ASPM state to default value */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0); + /* Switch LDO3318 source from DV33 to card_3v3 */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01); + /* LED shine disabled, set initial shine cycle period */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02); + /* Configure driving */ + rts5249_fill_driving(pcr, OUTPUT_3V3); + if (pcr->flags & PCR_REVERSE_SOCKET) + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0xB0); + else + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0x80); + + /* + * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced + * to drive low, and we forcibly request clock. + */ + if (option->force_clkreq_0) + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, + FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); + else + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, + FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); + + return rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF); +} + +static int rts5249_optimize_phy(struct rtsx_pcr *pcr) +{ + int err; + + err = rtsx_pci_write_register(pcr, PM_CTRL3, D3_DELINK_MODE_EN, 0x00); + if (err < 0) + return err; + + err = rtsx_pci_write_phy_register(pcr, PHY_REV, + PHY_REV_RESV | PHY_REV_RXIDLE_LATCHED | + PHY_REV_P1_EN | PHY_REV_RXIDLE_EN | + PHY_REV_CLKREQ_TX_EN | PHY_REV_RX_PWST | + PHY_REV_CLKREQ_DT_1_0 | PHY_REV_STOP_CLKRD | + PHY_REV_STOP_CLKWR); + if (err < 0) + return err; + + msleep(1); + + err = rtsx_pci_write_phy_register(pcr, PHY_BPCR, + PHY_BPCR_IBRXSEL | PHY_BPCR_IBTXSEL | + PHY_BPCR_IB_FILTER | PHY_BPCR_CMIRROR_EN); + if (err < 0) + return err; + + err = rtsx_pci_write_phy_register(pcr, PHY_PCR, + PHY_PCR_FORCE_CODE | PHY_PCR_OOBS_CALI_50 | + PHY_PCR_OOBS_VCM_08 | PHY_PCR_OOBS_SEN_90 | + PHY_PCR_RSSI_EN | PHY_PCR_RX10K); + if (err < 0) + return err; + + err = rtsx_pci_write_phy_register(pcr, PHY_RCR2, + PHY_RCR2_EMPHASE_EN | PHY_RCR2_NADJR | + PHY_RCR2_CDR_SR_2 | PHY_RCR2_FREQSEL_12 | + PHY_RCR2_CDR_SC_12P | PHY_RCR2_CALIB_LATE); + if (err < 0) + return err; + + err = rtsx_pci_write_phy_register(pcr, PHY_FLD4, + PHY_FLD4_FLDEN_SEL | PHY_FLD4_REQ_REF | + PHY_FLD4_RXAMP_OFF | PHY_FLD4_REQ_ADDA | + PHY_FLD4_BER_COUNT | PHY_FLD4_BER_TIMER | + PHY_FLD4_BER_CHK_EN); + if (err < 0) + return err; + err = rtsx_pci_write_phy_register(pcr, PHY_RDR, + PHY_RDR_RXDSEL_1_9 | PHY_SSC_AUTO_PWD); + if (err < 0) + return err; + err = rtsx_pci_write_phy_register(pcr, PHY_RCR1, + PHY_RCR1_ADP_TIME_4 | PHY_RCR1_VCO_COARSE); + if (err < 0) + return err; + err = rtsx_pci_write_phy_register(pcr, PHY_FLD3, + PHY_FLD3_TIMER_4 | PHY_FLD3_TIMER_6 | + PHY_FLD3_RXDELINK); + if (err < 0) + return err; + + return rtsx_pci_write_phy_register(pcr, PHY_TUNE, + PHY_TUNE_TUNEREF_1_0 | PHY_TUNE_VBGSEL_1252 | + PHY_TUNE_SDBUS_33 | PHY_TUNE_TUNED18 | + PHY_TUNE_TUNED12 | PHY_TUNE_TUNEA12); +} + +static int rtsx_base_turn_on_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02); +} + +static int rtsx_base_turn_off_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00); +} + +static int rtsx_base_enable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08); +} + +static int rtsx_base_disable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00); +} + +static int rtsx_base_card_power_on(struct rtsx_pcr *pcr, int card) +{ + int err; + + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, + SD_POWER_MASK, SD_VCC_PARTIAL_POWER_ON); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0x02); + err = rtsx_pci_send_cmd(pcr, 100); + if (err < 0) + return err; + + msleep(5); + + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, + SD_POWER_MASK, SD_VCC_POWER_ON); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0x06); + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rtsx_base_card_power_off(struct rtsx_pcr *pcr, int card) +{ + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, + SD_POWER_MASK, SD_POWER_OFF); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0x00); + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rtsx_base_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + int err; + u16 append; + + switch (voltage) { + case OUTPUT_3V3: + err = rtsx_pci_update_phy(pcr, PHY_TUNE, PHY_TUNE_VOLTAGE_MASK, + PHY_TUNE_VOLTAGE_3V3); + if (err < 0) + return err; + break; + case OUTPUT_1V8: + append = PHY_TUNE_D18_1V8; + if (CHK_PCI_PID(pcr, 0x5249)) { + err = rtsx_pci_update_phy(pcr, PHY_BACR, + PHY_BACR_BASIC_MASK, 0); + if (err < 0) + return err; + append = PHY_TUNE_D18_1V7; + } + + err = rtsx_pci_update_phy(pcr, PHY_TUNE, PHY_TUNE_VOLTAGE_MASK, + append); + if (err < 0) + return err; + break; + default: + pcr_dbg(pcr, "unknown output voltage %d\n", voltage); + return -EINVAL; + } + + /* set pad drive */ + rtsx_pci_init_cmd(pcr); + rts5249_fill_driving(pcr, voltage); + return rtsx_pci_send_cmd(pcr, 100); +} + +static void rts5249_set_aspm(struct rtsx_pcr *pcr, bool enable) +{ + struct rtsx_cr_option *option = &pcr->option; + u8 val = 0; + + if (pcr->aspm_enabled == enable) + return; + + if (option->dev_aspm_mode == DEV_ASPM_DYNAMIC) { + if (enable) + val = pcr->aspm_en; + rtsx_pci_update_cfg_byte(pcr, + pcr->pcie_cap + PCI_EXP_LNKCTL, + ASPM_MASK_NEG, val); + } else if (option->dev_aspm_mode == DEV_ASPM_BACKDOOR) { + u8 mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0; + + if (!enable) + val = FORCE_ASPM_CTL0; + rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val); + } + + pcr->aspm_enabled = enable; +} + +static const struct pcr_ops rts5249_pcr_ops = { + .fetch_vendor_settings = rtsx_base_fetch_vendor_settings, + .extra_init_hw = rts5249_extra_init_hw, + .optimize_phy = rts5249_optimize_phy, + .turn_on_led = rtsx_base_turn_on_led, + .turn_off_led = rtsx_base_turn_off_led, + .enable_auto_blink = rtsx_base_enable_auto_blink, + .disable_auto_blink = rtsx_base_disable_auto_blink, + .card_power_on = rtsx_base_card_power_on, + .card_power_off = rtsx_base_card_power_off, + .switch_output_voltage = rtsx_base_switch_output_voltage, + .force_power_down = rtsx_base_force_power_down, + .set_aspm = rts5249_set_aspm, +}; + +/* SD Pull Control Enable: + * SD_DAT[3:0] ==> pull up + * SD_CD ==> pull up + * SD_WP ==> pull up + * SD_CMD ==> pull up + * SD_CLK ==> pull down + */ +static const u32 rts5249_sd_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0xAA), + 0, +}; + +/* SD Pull Control Disable: + * SD_DAT[3:0] ==> pull down + * SD_CD ==> pull up + * SD_WP ==> pull down + * SD_CMD ==> pull down + * SD_CLK ==> pull down + */ +static const u32 rts5249_sd_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55), + 0, +}; + +/* MS Pull Control Enable: + * MS CD ==> pull up + * others ==> pull down + */ +static const u32 rts5249_ms_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15), + 0, +}; + +/* MS Pull Control Disable: + * MS CD ==> pull up + * others ==> pull down + */ +static const u32 rts5249_ms_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15), + 0, +}; + +void rts5249_init_params(struct rtsx_pcr *pcr) +{ + struct rtsx_cr_option *option = &(pcr->option); + + pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104; + pcr->num_slots = 2; + pcr->ops = &rts5249_pcr_ops; + + pcr->flags = 0; + pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT; + pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B; + pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B; + pcr->aspm_en = ASPM_L1_EN; + pcr->tx_initial_phase = SET_CLOCK_PHASE(1, 29, 16); + pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5); + + pcr->ic_version = rts5249_get_ic_version(pcr); + pcr->sd_pull_ctl_enable_tbl = rts5249_sd_pull_ctl_enable_tbl; + pcr->sd_pull_ctl_disable_tbl = rts5249_sd_pull_ctl_disable_tbl; + pcr->ms_pull_ctl_enable_tbl = rts5249_ms_pull_ctl_enable_tbl; + pcr->ms_pull_ctl_disable_tbl = rts5249_ms_pull_ctl_disable_tbl; + + pcr->reg_pm_ctrl3 = PM_CTRL3; + + option->dev_flags = (LTR_L1SS_PWR_GATE_CHECK_CARD_EN + | LTR_L1SS_PWR_GATE_EN); + option->ltr_en = true; + + /* Init latency of active, idle, L1OFF to 60us, 300us, 3ms */ + option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF; + option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF; + option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF; + option->dev_aspm_mode = DEV_ASPM_DYNAMIC; + option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF; + option->ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5249_DEF; + option->ltr_l1off_snooze_sspwrgate = + LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF; +} + +static int rts524a_write_phy(struct rtsx_pcr *pcr, u8 addr, u16 val) +{ + addr = addr & 0x80 ? (addr & 0x7F) | 0x40 : addr; + + return __rtsx_pci_write_phy_register(pcr, addr, val); +} + +static int rts524a_read_phy(struct rtsx_pcr *pcr, u8 addr, u16 *val) +{ + addr = addr & 0x80 ? (addr & 0x7F) | 0x40 : addr; + + return __rtsx_pci_read_phy_register(pcr, addr, val); +} + +static int rts524a_optimize_phy(struct rtsx_pcr *pcr) +{ + int err; + + err = rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3, + D3_DELINK_MODE_EN, 0x00); + if (err < 0) + return err; + + rtsx_pci_write_phy_register(pcr, PHY_PCR, + PHY_PCR_FORCE_CODE | PHY_PCR_OOBS_CALI_50 | + PHY_PCR_OOBS_VCM_08 | PHY_PCR_OOBS_SEN_90 | PHY_PCR_RSSI_EN); + rtsx_pci_write_phy_register(pcr, PHY_SSCCR3, + PHY_SSCCR3_STEP_IN | PHY_SSCCR3_CHECK_DELAY); + + if (is_version(pcr, 0x524A, IC_VER_A)) { + rtsx_pci_write_phy_register(pcr, PHY_SSCCR3, + PHY_SSCCR3_STEP_IN | PHY_SSCCR3_CHECK_DELAY); + rtsx_pci_write_phy_register(pcr, PHY_SSCCR2, + PHY_SSCCR2_PLL_NCODE | PHY_SSCCR2_TIME0 | + PHY_SSCCR2_TIME2_WIDTH); + rtsx_pci_write_phy_register(pcr, PHY_ANA1A, + PHY_ANA1A_TXR_LOOPBACK | PHY_ANA1A_RXT_BIST | + PHY_ANA1A_TXR_BIST | PHY_ANA1A_REV); + rtsx_pci_write_phy_register(pcr, PHY_ANA1D, + PHY_ANA1D_DEBUG_ADDR); + rtsx_pci_write_phy_register(pcr, PHY_DIG1E, + PHY_DIG1E_REV | PHY_DIG1E_D0_X_D1 | + PHY_DIG1E_RX_ON_HOST | PHY_DIG1E_RCLK_REF_HOST | + PHY_DIG1E_RCLK_TX_EN_KEEP | + PHY_DIG1E_RCLK_TX_TERM_KEEP | + PHY_DIG1E_RCLK_RX_EIDLE_ON | PHY_DIG1E_TX_TERM_KEEP | + PHY_DIG1E_RX_TERM_KEEP | PHY_DIG1E_TX_EN_KEEP | + PHY_DIG1E_RX_EN_KEEP); + } + + rtsx_pci_write_phy_register(pcr, PHY_ANA08, + PHY_ANA08_RX_EQ_DCGAIN | PHY_ANA08_SEL_RX_EN | + PHY_ANA08_RX_EQ_VAL | PHY_ANA08_SCP | PHY_ANA08_SEL_IPI); + + return 0; +} + +static int rts524a_extra_init_hw(struct rtsx_pcr *pcr) +{ + rts5249_extra_init_hw(pcr); + + rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, + FORCE_ASPM_L1_EN, FORCE_ASPM_L1_EN); + rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0); + rtsx_pci_write_register(pcr, LDO_VCC_CFG1, LDO_VCC_LMT_EN, + LDO_VCC_LMT_EN); + rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL); + if (is_version(pcr, 0x524A, IC_VER_A)) { + rtsx_pci_write_register(pcr, LDO_DV18_CFG, + LDO_DV18_SR_MASK, LDO_DV18_SR_DF); + rtsx_pci_write_register(pcr, LDO_VCC_CFG1, + LDO_VCC_REF_TUNE_MASK, LDO_VCC_REF_1V2); + rtsx_pci_write_register(pcr, LDO_VIO_CFG, + LDO_VIO_REF_TUNE_MASK, LDO_VIO_REF_1V2); + rtsx_pci_write_register(pcr, LDO_VIO_CFG, + LDO_VIO_SR_MASK, LDO_VIO_SR_DF); + rtsx_pci_write_register(pcr, LDO_DV12S_CFG, + LDO_REF12_TUNE_MASK, LDO_REF12_TUNE_DF); + rtsx_pci_write_register(pcr, SD40_LDO_CTL1, + SD40_VIO_TUNE_MASK, SD40_VIO_TUNE_1V7); + } + + return 0; +} + +static void rts5250_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active) +{ + struct rtsx_cr_option *option = &(pcr->option); + + u32 interrupt = rtsx_pci_readl(pcr, RTSX_BIPR); + int card_exist = (interrupt & SD_EXIST) | (interrupt & MS_EXIST); + int aspm_L1_1, aspm_L1_2; + u8 val = 0; + + aspm_L1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN); + aspm_L1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN); + + if (active) { + /* Run, latency: 60us */ + if (aspm_L1_1) + val = option->ltr_l1off_snooze_sspwrgate; + } else { + /* L1off, latency: 300us */ + if (aspm_L1_2) + val = option->ltr_l1off_sspwrgate; + } + + if (aspm_L1_1 || aspm_L1_2) { + if (rtsx_check_dev_flag(pcr, + LTR_L1SS_PWR_GATE_CHECK_CARD_EN)) { + if (card_exist) + val &= ~L1OFF_MBIAS2_EN_5250; + else + val |= L1OFF_MBIAS2_EN_5250; + } + } + rtsx_set_l1off_sub(pcr, val); +} + +static const struct pcr_ops rts524a_pcr_ops = { + .write_phy = rts524a_write_phy, + .read_phy = rts524a_read_phy, + .fetch_vendor_settings = rtsx_base_fetch_vendor_settings, + .extra_init_hw = rts524a_extra_init_hw, + .optimize_phy = rts524a_optimize_phy, + .turn_on_led = rtsx_base_turn_on_led, + .turn_off_led = rtsx_base_turn_off_led, + .enable_auto_blink = rtsx_base_enable_auto_blink, + .disable_auto_blink = rtsx_base_disable_auto_blink, + .card_power_on = rtsx_base_card_power_on, + .card_power_off = rtsx_base_card_power_off, + .switch_output_voltage = rtsx_base_switch_output_voltage, + .force_power_down = rtsx_base_force_power_down, + .set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0, + .set_aspm = rts5249_set_aspm, +}; + +void rts524a_init_params(struct rtsx_pcr *pcr) +{ + rts5249_init_params(pcr); + pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 29, 11); + pcr->option.ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5250_DEF; + pcr->option.ltr_l1off_snooze_sspwrgate = + LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF; + + pcr->reg_pm_ctrl3 = RTS524A_PM_CTRL3; + pcr->ops = &rts524a_pcr_ops; +} + +static int rts525a_card_power_on(struct rtsx_pcr *pcr, int card) +{ + rtsx_pci_write_register(pcr, LDO_VCC_CFG1, + LDO_VCC_TUNE_MASK, LDO_VCC_3V3); + return rtsx_base_card_power_on(pcr, card); +} + +static int rts525a_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + switch (voltage) { + case OUTPUT_3V3: + rtsx_pci_write_register(pcr, LDO_CONFIG2, + LDO_D3318_MASK, LDO_D3318_33V); + rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8, 0); + break; + case OUTPUT_1V8: + rtsx_pci_write_register(pcr, LDO_CONFIG2, + LDO_D3318_MASK, LDO_D3318_18V); + rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8, + SD_IO_USING_1V8); + break; + default: + return -EINVAL; + } + + rtsx_pci_init_cmd(pcr); + rts5249_fill_driving(pcr, voltage); + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rts525a_optimize_phy(struct rtsx_pcr *pcr) +{ + int err; + + err = rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3, + D3_DELINK_MODE_EN, 0x00); + if (err < 0) + return err; + + rtsx_pci_write_phy_register(pcr, _PHY_FLD0, + _PHY_FLD0_CLK_REQ_20C | _PHY_FLD0_RX_IDLE_EN | + _PHY_FLD0_BIT_ERR_RSTN | _PHY_FLD0_BER_COUNT | + _PHY_FLD0_BER_TIMER | _PHY_FLD0_CHECK_EN); + + rtsx_pci_write_phy_register(pcr, _PHY_ANA03, + _PHY_ANA03_TIMER_MAX | _PHY_ANA03_OOBS_DEB_EN | + _PHY_CMU_DEBUG_EN); + + if (is_version(pcr, 0x525A, IC_VER_A)) + rtsx_pci_write_phy_register(pcr, _PHY_REV0, + _PHY_REV0_FILTER_OUT | _PHY_REV0_CDR_BYPASS_PFD | + _PHY_REV0_CDR_RX_IDLE_BYPASS); + + return 0; +} + +static int rts525a_extra_init_hw(struct rtsx_pcr *pcr) +{ + rts5249_extra_init_hw(pcr); + + rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL); + if (is_version(pcr, 0x525A, IC_VER_A)) { + rtsx_pci_write_register(pcr, L1SUB_CONFIG2, + L1SUB_AUTO_CFG, L1SUB_AUTO_CFG); + rtsx_pci_write_register(pcr, RREF_CFG, + RREF_VBGSEL_MASK, RREF_VBGSEL_1V25); + rtsx_pci_write_register(pcr, LDO_VIO_CFG, + LDO_VIO_TUNE_MASK, LDO_VIO_1V7); + rtsx_pci_write_register(pcr, LDO_DV12S_CFG, + LDO_D12_TUNE_MASK, LDO_D12_TUNE_DF); + rtsx_pci_write_register(pcr, LDO_AV12S_CFG, + LDO_AV12S_TUNE_MASK, LDO_AV12S_TUNE_DF); + rtsx_pci_write_register(pcr, LDO_VCC_CFG0, + LDO_VCC_LMTVTH_MASK, LDO_VCC_LMTVTH_2A); + rtsx_pci_write_register(pcr, OOBS_CONFIG, + OOBS_AUTOK_DIS | OOBS_VAL_MASK, 0x89); + } + + return 0; +} + +static const struct pcr_ops rts525a_pcr_ops = { + .fetch_vendor_settings = rtsx_base_fetch_vendor_settings, + .extra_init_hw = rts525a_extra_init_hw, + .optimize_phy = rts525a_optimize_phy, + .turn_on_led = rtsx_base_turn_on_led, + .turn_off_led = rtsx_base_turn_off_led, + .enable_auto_blink = rtsx_base_enable_auto_blink, + .disable_auto_blink = rtsx_base_disable_auto_blink, + .card_power_on = rts525a_card_power_on, + .card_power_off = rtsx_base_card_power_off, + .switch_output_voltage = rts525a_switch_output_voltage, + .force_power_down = rtsx_base_force_power_down, + .set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0, + .set_aspm = rts5249_set_aspm, +}; + +void rts525a_init_params(struct rtsx_pcr *pcr) +{ + rts5249_init_params(pcr); + pcr->tx_initial_phase = SET_CLOCK_PHASE(25, 29, 11); + pcr->option.ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5250_DEF; + pcr->option.ltr_l1off_snooze_sspwrgate = + LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF; + + pcr->reg_pm_ctrl3 = RTS524A_PM_CTRL3; + pcr->ops = &rts525a_pcr_ops; +} |