summaryrefslogtreecommitdiffstats
path: root/drivers/misc/cardreader/rts5249.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/cardreader/rts5249.c')
-rw-r--r--drivers/misc/cardreader/rts5249.c848
1 files changed, 848 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c
new file mode 100644
index 000000000..6c81040e1
--- /dev/null
+++ b/drivers/misc/cardreader/rts5249.c
@@ -0,0 +1,848 @@
+// 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>
+ */
+
+#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)
+{
+ struct pci_dev *pdev = pcr->pci;
+ u32 reg;
+
+ pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
+ 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);
+
+ pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
+ pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A))
+ pcr->rtd3_en = rtsx_reg_to_rtd3_uhsii(reg);
+
+ if (rtsx_check_mmc_support(reg))
+ pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
+ 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 rts5249_init_from_cfg(struct rtsx_pcr *pcr)
+{
+ struct rtsx_cr_option *option = &(pcr->option);
+
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+ if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
+ | PM_L1_1_EN | PM_L1_2_EN))
+ rtsx_pci_disable_oobs_polling(pcr);
+ else
+ rtsx_pci_enable_oobs_polling(pcr);
+ }
+
+ if (option->ltr_en) {
+ if (option->ltr_enabled)
+ rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
+ }
+}
+
+static void rts52xa_force_power_down(struct rtsx_pcr *pcr, u8 pm_state, bool runtime)
+{
+ /* Set relink_time to 0 */
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
+ RELINK_TIME_MASK, 0);
+
+ rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3,
+ D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+
+ if (!runtime) {
+ rtsx_pci_write_register(pcr, RTS524A_AUTOLOAD_CFG1,
+ CD_RESUME_EN_MASK, 0);
+ rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3, 0x01, 0x00);
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL, 0x30, 0x20);
+ }
+
+ rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
+}
+
+static void rts52xa_save_content_from_efuse(struct rtsx_pcr *pcr)
+{
+ u8 cnt, sv;
+ u16 j = 0;
+ u8 tmp;
+ u8 val;
+ int i;
+
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+ REG_EFUSE_BYPASS | REG_EFUSE_POR, REG_EFUSE_POR);
+ udelay(1);
+
+ pcr_dbg(pcr, "Enable efuse por!");
+ pcr_dbg(pcr, "save efuse to autoload");
+
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD, REG_EFUSE_ADD_MASK, 0x00);
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_CTL,
+ REG_EFUSE_ENABLE | REG_EFUSE_MODE, REG_EFUSE_ENABLE);
+ /* Wait transfer end */
+ for (j = 0; j < 1024; j++) {
+ rtsx_pci_read_register(pcr, RTS525A_EFUSE_CTL, &tmp);
+ if ((tmp & 0x80) == 0)
+ break;
+ }
+ rtsx_pci_read_register(pcr, RTS525A_EFUSE_DATA, &val);
+ cnt = val & 0x0F;
+ sv = val & 0x10;
+
+ if (sv) {
+ for (i = 0; i < 4; i++) {
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD,
+ REG_EFUSE_ADD_MASK, 0x04 + i);
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_CTL,
+ REG_EFUSE_ENABLE | REG_EFUSE_MODE, REG_EFUSE_ENABLE);
+ /* Wait transfer end */
+ for (j = 0; j < 1024; j++) {
+ rtsx_pci_read_register(pcr, RTS525A_EFUSE_CTL, &tmp);
+ if ((tmp & 0x80) == 0)
+ break;
+ }
+ rtsx_pci_read_register(pcr, RTS525A_EFUSE_DATA, &val);
+ rtsx_pci_write_register(pcr, 0xFF04 + i, 0xFF, val);
+ }
+ } else {
+ rtsx_pci_write_register(pcr, 0xFF04, 0xFF, (u8)PCI_VID(pcr));
+ rtsx_pci_write_register(pcr, 0xFF05, 0xFF, (u8)(PCI_VID(pcr) >> 8));
+ rtsx_pci_write_register(pcr, 0xFF06, 0xFF, (u8)PCI_PID(pcr));
+ rtsx_pci_write_register(pcr, 0xFF07, 0xFF, (u8)(PCI_PID(pcr) >> 8));
+ }
+
+ for (i = 0; i < cnt * 4; i++) {
+ if (sv)
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD,
+ REG_EFUSE_ADD_MASK, 0x08 + i);
+ else
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD,
+ REG_EFUSE_ADD_MASK, 0x04 + i);
+ rtsx_pci_write_register(pcr, RTS525A_EFUSE_CTL,
+ REG_EFUSE_ENABLE | REG_EFUSE_MODE, REG_EFUSE_ENABLE);
+ /* Wait transfer end */
+ for (j = 0; j < 1024; j++) {
+ rtsx_pci_read_register(pcr, RTS525A_EFUSE_CTL, &tmp);
+ if ((tmp & 0x80) == 0)
+ break;
+ }
+ rtsx_pci_read_register(pcr, RTS525A_EFUSE_DATA, &val);
+ rtsx_pci_write_register(pcr, 0xFF08 + i, 0xFF, val);
+ }
+ rtsx_pci_write_register(pcr, 0xFF00, 0xFF, (cnt & 0x7F) | 0x80);
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+ REG_EFUSE_BYPASS | REG_EFUSE_POR, REG_EFUSE_BYPASS);
+ pcr_dbg(pcr, "Disable efuse por!");
+}
+
+static void rts52xa_save_content_to_autoload_space(struct rtsx_pcr *pcr)
+{
+ u8 val;
+
+ rtsx_pci_read_register(pcr, RESET_LOAD_REG, &val);
+ if (val & 0x02) {
+ rtsx_pci_read_register(pcr, RTS525A_BIOS_CFG, &val);
+ if (val & RTS525A_LOAD_BIOS_FLAG) {
+ rtsx_pci_write_register(pcr, RTS525A_BIOS_CFG,
+ RTS525A_LOAD_BIOS_FLAG, RTS525A_CLEAR_BIOS_FLAG);
+
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+ REG_EFUSE_POWER_MASK, REG_EFUSE_POWERON);
+
+ pcr_dbg(pcr, "Power ON efuse!");
+ mdelay(1);
+ rts52xa_save_content_from_efuse(pcr);
+ } else {
+ rtsx_pci_read_register(pcr, RTS524A_PME_FORCE_CTL, &val);
+ if (!(val & 0x08))
+ rts52xa_save_content_from_efuse(pcr);
+ }
+ } else {
+ pcr_dbg(pcr, "Load from autoload");
+ rtsx_pci_write_register(pcr, 0xFF00, 0xFF, 0x80);
+ rtsx_pci_write_register(pcr, 0xFF04, 0xFF, (u8)PCI_VID(pcr));
+ rtsx_pci_write_register(pcr, 0xFF05, 0xFF, (u8)(PCI_VID(pcr) >> 8));
+ rtsx_pci_write_register(pcr, 0xFF06, 0xFF, (u8)PCI_PID(pcr));
+ rtsx_pci_write_register(pcr, 0xFF07, 0xFF, (u8)(PCI_PID(pcr) >> 8));
+ }
+}
+
+static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
+{
+ struct rtsx_cr_option *option = &(pcr->option);
+
+ rts5249_init_from_cfg(pcr);
+
+ rtsx_pci_init_cmd(pcr);
+
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A))
+ rts52xa_save_content_to_autoload_space(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);
+
+ rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+ rtsx_pci_write_register(pcr, REG_VREF, PWD_SUSPND_EN, PWD_SUSPND_EN);
+ rtsx_pci_write_register(pcr, RTS524A_AUTOLOAD_CFG1,
+ CD_RESUME_EN_MASK, CD_RESUME_EN_MASK);
+ }
+
+ if (pcr->rtd3_en) {
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+ rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3, 0x01, 0x01);
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL, 0x30, 0x30);
+ } else {
+ rtsx_pci_write_register(pcr, PM_CTRL3, 0x01, 0x01);
+ rtsx_pci_write_register(pcr, PME_FORCE_CTL, 0xFF, 0x33);
+ }
+ } else {
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+ rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3, 0x01, 0x00);
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL, 0x30, 0x20);
+ } else {
+ rtsx_pci_write_register(pcr, PME_FORCE_CTL, 0xFF, 0x30);
+ rtsx_pci_write_register(pcr, PM_CTRL3, 0x01, 0x00);
+ }
+ }
+
+
+ /*
+ * 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_write_register(pcr, PETXCFG,
+ FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
+ else
+ rtsx_pci_write_register(pcr, PETXCFG,
+ FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
+
+ rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00);
+ if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+ rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+ REG_EFUSE_POWER_MASK, REG_EFUSE_POWEROFF);
+ pcr_dbg(pcr, "Power OFF efuse!");
+ }
+
+ return 0;
+}
+
+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;
+ struct rtsx_cr_option *option = &pcr->option;
+
+ if (option->ocp_en)
+ rtsx_pci_enable_ocp(pcr);
+
+ 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)
+{
+ struct rtsx_cr_option *option = &pcr->option;
+
+ if (option->ocp_en)
+ rtsx_pci_disable_ocp(pcr);
+
+ rtsx_pci_write_register(pcr, CARD_PWR_CTL, SD_POWER_MASK, SD_POWER_OFF);
+
+ rtsx_pci_write_register(pcr, PWR_GATE_CTRL, LDO3318_PWR_MASK, 0x00);
+ return 0;
+}
+
+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 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,
+};
+
+/* 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->aspm_mode = ASPM_MODE_CFG;
+ 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->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 = rts52xa_force_power_down,
+ .set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0,
+};
+
+void rts524a_init_params(struct rtsx_pcr *pcr)
+{
+ rts5249_init_params(pcr);
+ pcr->aspm_mode = ASPM_MODE_REG;
+ 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;
+
+ pcr->option.ocp_en = 1;
+ if (pcr->option.ocp_en)
+ pcr->hw_param.interrupt_en |= SD_OC_INT_EN;
+ pcr->hw_param.ocp_glitch = SD_OCP_GLITCH_10M;
+ pcr->option.sd_800mA_ocp_thd = RTS524A_OCP_THD_800;
+
+}
+
+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, RTS5250_CLK_CFG3, RTS525A_CFG_MEM_PD, RTS525A_CFG_MEM_PD);
+
+ 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 = rts52xa_force_power_down,
+ .set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0,
+};
+
+void rts525a_init_params(struct rtsx_pcr *pcr)
+{
+ rts5249_init_params(pcr);
+ pcr->aspm_mode = ASPM_MODE_REG;
+ 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;
+
+ pcr->option.ocp_en = 1;
+ if (pcr->option.ocp_en)
+ pcr->hw_param.interrupt_en |= SD_OC_INT_EN;
+ pcr->hw_param.ocp_glitch = SD_OCP_GLITCH_10M;
+ pcr->option.sd_800mA_ocp_thd = RTS525A_OCP_THD_800;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 11:11:09 +0000