From: rui_feng <rui_f...@realsil.com.cn>

Add support for new chip rts5260.

Signed-off-by: Rui Feng <rui_f...@realsil.com.cn>
---
 drivers/mfd/Makefile         |   2 +-
 drivers/mfd/rts5260.c        | 543 +++++++++++++++++++++++++++++++++++++++++++
 drivers/mfd/rtsx_pcr.c       |   8 +
 drivers/mfd/rtsx_pcr.h       |   1 +
 include/linux/mfd/rtsx_pci.h |  81 ++++++-
 5 files changed, 631 insertions(+), 4 deletions(-)
 create mode 100644 drivers/mfd/rts5260.c

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 080793b..d0f06a3 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -17,7 +17,7 @@ obj-$(CONFIG_MFD_CROS_EC_I2C) += cros_ec_i2c.o
 obj-$(CONFIG_MFD_CROS_EC_SPI)  += cros_ec_spi.o
 obj-$(CONFIG_MFD_EXYNOS_LPASS) += exynos-lpass.o
 
-rtsx_pci-objs                  := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o 
rts5227.o rts5249.o
+rtsx_pci-objs                  := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o 
rts5227.o rts5249.o rts5260.o
 obj-$(CONFIG_MFD_RTSX_PCI)     += rtsx_pci.o
 obj-$(CONFIG_MFD_RTSX_USB)     += rtsx_usb.o
 
diff --git a/drivers/mfd/rts5260.c b/drivers/mfd/rts5260.c
new file mode 100644
index 0000000..53f2838
--- /dev/null
+++ b/drivers/mfd/rts5260.c
@@ -0,0 +1,543 @@
+/* Driver for Realtek PCI-Express card reader
+ *
+ * Copyright(c) 2016-2017 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:
+ *   Steven FENG <steven_f...@realsil.com.cn>
+ *   Rui FENG <rui_f...@realsil.com.cn>
+ *   Wei WANG <wei_w...@realsil.com.cn>
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#include "rtsx_pcr.h"
+
+
+static u8 rts5260_get_ic_version(struct rtsx_pcr *pcr)
+{
+       u8 val;
+
+       rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
+       return val & IC_VERSION_MASK;
+}
+
+static void rts5260_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
+{
+       u8 driving_3v3[6][3] = {
+               {0x94, 0x94, 0x94},
+               {0x11, 0x11, 0x18},
+               {0x55, 0x55, 0x5C},
+               {0x94, 0x94, 0x94},
+               {0x94, 0x94, 0x94},
+               {0xFF, 0xFF, 0xFF},
+       };
+       u8 driving_1v8[6][3] = {
+               {0x9A, 0x89, 0x89},
+               {0xC4, 0xC4, 0xC4},
+               {0x3C, 0x3C, 0x3C},
+               {0x9A, 0x89, 0x89},
+               {0x9A, 0x89, 0x89},
+               {0xFE, 0xFE, 0xFE},
+       };
+       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, &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);
+
+       rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+       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, 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);
+
+       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, ALL_POWER_DOWN, ALL_POWER_DOWN);
+}
+
+static int rtsx_base_enable_auto_blink(struct rtsx_pcr *pcr)
+{
+       return rtsx_pci_write_register(pcr, OLT_LED_CTL,
+               LED_SHINE_MASK, LED_SHINE_EN);
+}
+
+static int rtsx_base_disable_auto_blink(struct rtsx_pcr *pcr)
+{
+       return rtsx_pci_write_register(pcr, OLT_LED_CTL,
+               LED_SHINE_MASK, LED_SHINE_DISABLE);
+}
+
+static int rts5260_turn_on_led(struct rtsx_pcr *pcr)
+{
+       return rtsx_pci_write_register(pcr, RTS5260_REG_GPIO_CTL0,
+               RTS5260_REG_GPIO_MASK, RTS5260_REG_GPIO_ON);
+}
+
+static int rts5260_turn_off_led(struct rtsx_pcr *pcr)
+{
+       return rtsx_pci_write_register(pcr, RTS5260_REG_GPIO_CTL0,
+               RTS5260_REG_GPIO_MASK, RTS5260_REG_GPIO_OFF);
+}
+
+/* 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 rts5260_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 rts5260_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 rts5260_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 rts5260_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,
+};
+
+static int rts5260_card_power_on(struct rtsx_pcr *pcr, int card)
+{
+       int err = 0;
+
+       rtsx_pci_init_cmd(pcr);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_CONFIG2,
+                       DV331812_VDD1, DV331812_VDD1);
+       err = rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+       if (err < 0)
+               return err;
+
+       rtsx_pci_init_cmd(pcr);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_VCC_CFG0,
+                       RTS5260_DVCC_TUNE_MASK, RTS5260_DVCC_33);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_VCC_CFG1,
+                       LDO_POW_SDVDD1_MASK, LDO_POW_SDVDD1_ON);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_CONFIG2,
+                       DV331812_POWERON, DV331812_POWERON);
+       err = rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+
+       msleep(20);
+
+       return err;
+}
+
+static int rts5260_card_power_off(struct rtsx_pcr *pcr, int card)
+{
+       int err = 0;
+
+       rtsx_pci_init_cmd(pcr);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_VCC_CFG1,
+                       LDO_POW_SDVDD1_MASK, LDO_POW_SDVDD1_OFF);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_CONFIG2,
+                       DV331812_POWERON, DV331812_POWEROFF);
+       err = rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+
+       return err;
+}
+
+static int rts5260_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+       switch (voltage) {
+       case OUTPUT_3V3:
+               rtsx_pci_write_register(pcr, LDO_CONFIG2,
+                       DV331812_VDD1, DV331812_VDD1);
+               rtsx_pci_write_register(pcr, LDO_DV18_CFG,
+                       DV331812_MASK, DV331812_33);
+               rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8, 0);
+               break;
+       case OUTPUT_1V8:
+               rtsx_pci_write_register(pcr, LDO_CONFIG2,
+                       DV331812_VDD1, DV331812_VDD1);
+               rtsx_pci_write_register(pcr, LDO_DV18_CFG,
+                       DV331812_MASK, DV331812_17);
+               rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8,
+                       SD_IO_USING_1V8);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       /* set pad drive */
+       rtsx_pci_init_cmd(pcr);
+       rts5260_fill_driving(pcr, voltage);
+       return rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+}
+
+static void rts5260_stop_cmd(struct rtsx_pcr *pcr)
+{
+       rtsx_pci_writel(pcr, RTSX_HCBCTLR, STOP_CMD);
+       rtsx_pci_writel(pcr, RTSX_HDBCTLR, STOP_DMA);
+       rtsx_pci_write_register(pcr, RTS5260_DMA_RST_CTL_0,
+               RTS5260_DMA_RST | RTS5260_ADMA3_RST,
+               RTS5260_DMA_RST | RTS5260_ADMA3_RST);
+       rtsx_pci_write_register(pcr, RBCTL, RB_FLUSH, RB_FLUSH);
+}
+
+int rts5260_init_hw(struct rtsx_pcr *pcr)
+{
+       int err;
+
+       rtsx_pci_init_cmd(pcr);
+
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG1,
+               AUX_CLK_ACTIVE_SEL_MASK, MAC_CKSW_DONE);
+       /* Rest L1SUB Config */
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG3, 0xFF, 0x00);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CLK_FORCE_CTL,
+               CLK_PM_EN, CLK_PM_EN);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWD_SUSPEND_EN, 0xFF, 0xFF);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
+               PWR_GATE_EN, PWR_GATE_EN);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, REG_VREF,
+               PWD_SUSPND_EN, PWD_SUSPND_EN);
+       rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RBCTL,
+               U_AUTO_DMA_EN_MASK, U_AUTO_DMA_DISABLE);
+
+       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_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG,
+               OBFF_EN_MASK, OBFF_DISABLE);
+
+       err = rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+       if (err < 0)
+               return err;
+
+       return 0;
+}
+
+static void rts5260_pwr_saving_setting(struct rtsx_pcr *pcr)
+{
+       int lss_l1_1, lss_l1_2;
+
+       lss_l1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN)
+                       |rtsx_check_dev_flag(pcr, PM_L1_1_EN);
+       lss_l1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN)
+                       |rtsx_check_dev_flag(pcr, PM_L1_2_EN);
+
+       if (lss_l1_2) {
+               pcr_dbg(pcr, "Set parameters for L1.2.");
+               rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
+                       0xFF, PCIE_L1_2_EN);
+               rtsx_pci_write_register(pcr, PWR_FE_CTL,
+                       0xFF, PCIE_L1_2_PD_FE_EN);
+       } else if (lss_l1_1) {
+               pcr_dbg(pcr, "Set parameters for L1.1.");
+               rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
+                       0xFF, PCIE_L1_1_EN);
+               rtsx_pci_write_register(pcr, PWR_FE_CTL,
+                       0xFF, PCIE_L1_1_PD_FE_EN);
+       } else {
+               pcr_dbg(pcr, "Set parameters for L1.");
+               rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
+                       0xFF, PCIE_L1_0_EN);
+               rtsx_pci_write_register(pcr, PWR_FE_CTL,
+                       0xFF, PCIE_L1_0_PD_FE_EN);
+       }
+
+       rtsx_pci_write_register(pcr, CFG_L1_0_PCIE_DPHY_RET_VALUE,
+               0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_L1_0_PCIE_MAC_RET_VALUE,
+               0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_L1_0_CRC_SD30_RET_VALUE,
+               0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_L1_0_CRC_SD40_RET_VALUE,
+               0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_L1_0_SYS_RET_VALUE,
+               0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
+       /*Option cut APHY*/
+       rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_0,
+               0xFF, CFG_PCIE_APHY_OFF_0_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_1,
+               0xFF, CFG_PCIE_APHY_OFF_1_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_2,
+               0xFF, CFG_PCIE_APHY_OFF_2_DEFAULT);
+       rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_3,
+               0xFF, CFG_PCIE_APHY_OFF_3_DEFAULT);
+       /*CDR DEC*/
+       rtsx_pci_write_register(pcr, PWC_CDR, 0xFF, PWC_CDR_DEFAULT);
+       /*PWMPFM*/
+       rtsx_pci_write_register(pcr, CFG_LP_FPWM_VALUE,
+               0xFF, CFG_LP_FPWM_VALUE_DEFAULT);
+       /*No Power Saving WA*/
+       rtsx_pci_write_register(pcr, CFG_L1_0_CRC_MISC_RET_VALUE,
+               0xFF, CFG_L1_0_CRC_MISC_RET_VALUE_DEFAULT);
+}
+
+static void rts5260_init_from_cfg(struct rtsx_pcr *pcr)
+{
+       struct rtsx_cr_option *option = &(pcr->option);
+       u32 lval;
+
+       rtsx_pci_read_config_dword(pcr, PCR_ASPM_SETTING_5260, &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);
+
+       rts5260_pwr_saving_setting(pcr);
+
+       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;
+               }
+       }
+
+       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;
+}
+
+static int rts5260_extra_init_hw(struct rtsx_pcr *pcr)
+{
+       struct rtsx_cr_option *option = &(pcr->option);
+
+       rts5260_init_from_cfg(pcr);
+
+       /* force no MDIO*/
+       rtsx_pci_write_register(pcr, RTS5260_AUTOLOAD_CFG4,
+               0xFF, RTS5260_MIMO_DISABLE);
+       /*Modify SDVCC Tune Default Parameters!*/
+       rtsx_pci_write_register(pcr, LDO_VCC_CFG0,
+               RTS5260_DVCC_TUNE_MASK, RTS5260_DVCC_33);
+
+       rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL);
+
+       rts5260_init_hw(pcr);
+
+       /*
+        * 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 0;
+}
+
+void rts5260_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 void rts5260_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 rts5260_pcr_ops = {
+       .fetch_vendor_settings = rtsx_base_fetch_vendor_settings,
+       .turn_on_led = rts5260_turn_on_led,
+       .turn_off_led = rts5260_turn_off_led,
+       .extra_init_hw = rts5260_extra_init_hw,
+       .enable_auto_blink = rtsx_base_enable_auto_blink,
+       .disable_auto_blink = rtsx_base_disable_auto_blink,
+       .card_power_on = rts5260_card_power_on,
+       .card_power_off = rts5260_card_power_off,
+       .switch_output_voltage = rts5260_switch_output_voltage,
+       .force_power_down = rtsx_base_force_power_down,
+       .stop_cmd = rts5260_stop_cmd,
+       .set_aspm = rts5260_set_aspm,
+       .set_l1off_cfg_sub_d0 = rts5260_set_l1off_cfg_sub_d0,
+};
+
+void rts5260_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->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 = rts5260_get_ic_version(pcr);
+       pcr->sd_pull_ctl_enable_tbl = rts5260_sd_pull_ctl_enable_tbl;
+       pcr->sd_pull_ctl_disable_tbl = rts5260_sd_pull_ctl_disable_tbl;
+       pcr->ms_pull_ctl_enable_tbl = rts5260_ms_pull_ctl_enable_tbl;
+       pcr->ms_pull_ctl_disable_tbl = rts5260_ms_pull_ctl_disable_tbl;
+
+       pcr->reg_pm_ctrl3 = RTS524A_PM_CTRL3;
+
+       pcr->ops = &rts5260_pcr_ops;
+
+       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;
+       pcr->option.ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5250_DEF;
+       pcr->option.ltr_l1off_snooze_sspwrgate =
+               LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF;
+}
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 7c87485..651f19a 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -62,6 +62,7 @@
        { PCI_DEVICE(0x10EC, 0x5286), PCI_CLASS_OTHERS << 16, 0xFF0000 },
        { PCI_DEVICE(0x10EC, 0x524A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
        { PCI_DEVICE(0x10EC, 0x525A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+       { PCI_DEVICE(0x10EC, 0x5260), PCI_CLASS_OTHERS << 16, 0xFF0000 },
        { 0, }
 };
 
@@ -334,6 +335,9 @@ int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 
addr, u16 *val)
 
 void rtsx_pci_stop_cmd(struct rtsx_pcr *pcr)
 {
+       if (pcr->ops->stop_cmd)
+               return pcr->ops->stop_cmd(pcr);
+
        rtsx_pci_writel(pcr, RTSX_HCBCTLR, STOP_CMD);
        rtsx_pci_writel(pcr, RTSX_HDBCTLR, STOP_DMA);
 
@@ -1189,6 +1193,7 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
        case PID_5250:
        case PID_524A:
        case PID_525A:
+       case PID_5260:
                rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, 1, 1);
                break;
        default:
@@ -1265,6 +1270,9 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
        case 0x5286:
                rtl8402_init_params(pcr);
                break;
+       case 0x5260:
+               rts5260_init_params(pcr);
+               break;
        }
 
        pcr_dbg(pcr, "PID: 0x%04x, IC version: 0x%02x\n",
diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
index ec784e0..e55e153 100644
--- a/drivers/mfd/rtsx_pcr.h
+++ b/drivers/mfd/rtsx_pcr.h
@@ -57,6 +57,7 @@
 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);
 
 static inline u8 map_sd_drive(int idx)
 {
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 57e23ad..a40abaa 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -452,7 +452,7 @@
 #define FPDCTL                         0xFC00
 #define   SSC_POWER_DOWN               0x01
 #define   SD_OC_POWER_DOWN             0x02
-#define   ALL_POWER_DOWN               0x07
+#define   ALL_POWER_DOWN               0x03
 #define   OC_POWER_DOWN                        0x06
 #define PDINFO                         0xFC01
 
@@ -489,6 +489,9 @@
 
 #define FPGA_PULL_CTL                  0xFC1D
 #define OLT_LED_CTL                    0xFC1E
+#define   LED_SHINE_MASK               0x08
+#define   LED_SHINE_EN                 0x08
+#define   LED_SHINE_DISABLE            0x00
 #define GPIO_CTL                       0xFC1F
 
 #define LDO_CTL                                0xFC1E
@@ -510,7 +513,11 @@
 #define   BPP_LDO_ON                   0x00
 #define   BPP_LDO_SUSPEND              0x02
 #define   BPP_LDO_OFF                  0x03
+#define EFUSE_CTL                      0xFC30
+#define EFUSE_ADD                      0xFC31
 #define SYS_VER                                0xFC32
+#define EFUSE_DATAL                    0xFC34
+#define EFUSE_DATAH                    0xFC35
 
 #define CARD_PULL_CTL1                 0xFD60
 #define CARD_PULL_CTL2                 0xFD61
@@ -552,6 +559,9 @@
 #define RBBC1                          0xFE2F
 #define RBDAT                          0xFE30
 #define RBCTL                          0xFE34
+#define   U_AUTO_DMA_EN_MASK           0x20
+#define   U_AUTO_DMA_DISABLE           0x00
+#define   RB_FLUSH                     0x80
 #define CFGADDR0                       0xFE35
 #define CFGADDR1                       0xFE36
 #define CFGDATA0                       0xFE37
@@ -580,6 +590,8 @@
 #define LTR_LATENCY_MODE_HW            0
 #define LTR_LATENCY_MODE_SW            BIT(6)
 #define OBFF_CFG                       0xFE4C
+#define   OBFF_EN_MASK                 0x03
+#define   OBFF_DISABLE                 0x00
 
 #define CDRESUMECTL                    0xFE52
 #define WAKE_SEL_CTL                   0xFE54
@@ -594,6 +606,7 @@
 #define   FORCE_ASPM_L0_EN             0x01
 #define   FORCE_ASPM_NO_ASPM           0x00
 #define PM_CLK_FORCE_CTL               0xFE58
+#define   CLK_PM_EN                    0x01
 #define FUNC_FORCE_CTL                 0xFE59
 #define   FUNC_FORCE_UPME_XMT_DBG      0x02
 #define PERST_GLITCH_WIDTH             0xFE5C
@@ -619,14 +632,23 @@
 #define LDO_PWR_SEL                    0xFE78
 
 #define L1SUB_CONFIG1                  0xFE8D
+#define   AUX_CLK_ACTIVE_SEL_MASK      0x01
+#define   MAC_CKSW_DONE                        0x00
 #define L1SUB_CONFIG2                  0xFE8E
 #define   L1SUB_AUTO_CFG               0x02
 #define L1SUB_CONFIG3                  0xFE8F
 #define   L1OFF_MBIAS2_EN_5250         BIT(7)
 
 #define DUMMY_REG_RESET_0              0xFE90
+#define   IC_VERSION_MASK              0x0F
 
+#define REG_VREF                       0xFE97
+#define   PWD_SUSPND_EN                        0x10
+#define RTS5260_DMA_RST_CTL_0          0xFEBF
+#define   RTS5260_DMA_RST              0x80
+#define   RTS5260_ADMA3_RST            0x40
 #define AUTOLOAD_CFG_BASE              0xFF00
+#define RELINK_TIME_MASK               0x01
 #define PETXCFG                                0xFF03
 #define FORCE_CLKREQ_DELINK_MASK       BIT(7)
 #define FORCE_CLKREQ_LOW       0x80
@@ -666,15 +688,24 @@
 #define LDO_DV18_CFG                   0xFF70
 #define   LDO_DV18_SR_MASK             0xC0
 #define   LDO_DV18_SR_DF               0x40
+#define   DV331812_MASK                        0x70
+#define   DV331812_33                  0x70
+#define   DV331812_17                  0x30
 
 #define LDO_CONFIG2                    0xFF71
 #define   LDO_D3318_MASK               0x07
 #define   LDO_D3318_33V                        0x07
 #define   LDO_D3318_18V                        0x02
+#define   DV331812_VDD1                        0x04
+#define   DV331812_POWERON             0x08
+#define   DV331812_POWEROFF            0x00
 
 #define LDO_VCC_CFG0                   0xFF72
 #define   LDO_VCC_LMTVTH_MASK          0x30
 #define   LDO_VCC_LMTVTH_2A            0x10
+/*RTS5260*/
+#define   RTS5260_DVCC_TUNE_MASK       0x70
+#define   RTS5260_DVCC_33              0x70
 
 #define LDO_VCC_CFG1                   0xFF73
 #define   LDO_VCC_REF_TUNE_MASK                0x30
@@ -683,6 +714,10 @@
 #define   LDO_VCC_1V8                  0x04
 #define   LDO_VCC_3V3                  0x07
 #define   LDO_VCC_LMT_EN               0x08
+/*RTS5260*/
+#define          LDO_POW_SDVDD1_MASK           0x08
+#define          LDO_POW_SDVDD1_ON             0x08
+#define          LDO_POW_SDVDD1_OFF            0x00
 
 #define LDO_VIO_CFG                    0xFF75
 #define   LDO_VIO_SR_MASK              0xC0
@@ -710,6 +745,43 @@
 #define   SD_VIO_LDO_1V8               0x40
 #define   SD_VIO_LDO_3V3               0x70
 
+#define RTS5260_AUTOLOAD_CFG4          0xFF7F
+#define   RTS5260_MIMO_DISABLE         0x8A
+
+#define RTS5260_REG_GPIO_CTL0          0xFC1A
+#define   RTS5260_REG_GPIO_MASK                0x01
+#define   RTS5260_REG_GPIO_ON          0x01
+#define   RTS5260_REG_GPIO_OFF         0x00
+
+#define PWR_GLOBAL_CTRL                        0xF200
+#define PCIE_L1_2_EN                   0x0C
+#define PCIE_L1_1_EN                   0x0A
+#define PCIE_L1_0_EN                   0x09
+#define PWR_FE_CTL                     0xF201
+#define PCIE_L1_2_PD_FE_EN             0x0C
+#define PCIE_L1_1_PD_FE_EN             0x0A
+#define PCIE_L1_0_PD_FE_EN             0x09
+#define CFG_PCIE_APHY_OFF_0            0xF204
+#define CFG_PCIE_APHY_OFF_0_DEFAULT    0xBF
+#define CFG_PCIE_APHY_OFF_1            0xF205
+#define CFG_PCIE_APHY_OFF_1_DEFAULT    0xFF
+#define CFG_PCIE_APHY_OFF_2            0xF206
+#define CFG_PCIE_APHY_OFF_2_DEFAULT    0x01
+#define CFG_PCIE_APHY_OFF_3            0xF207
+#define CFG_PCIE_APHY_OFF_3_DEFAULT    0x00
+#define CFG_L1_0_PCIE_MAC_RET_VALUE    0xF20C
+#define CFG_L1_0_PCIE_DPHY_RET_VALUE   0xF20E
+#define CFG_L1_0_SYS_RET_VALUE         0xF210
+#define CFG_L1_0_CRC_MISC_RET_VALUE    0xF212
+#define CFG_L1_0_CRC_SD30_RET_VALUE    0xF214
+#define CFG_L1_0_CRC_SD40_RET_VALUE    0xF216
+#define CFG_LP_FPWM_VALUE              0xF219
+#define CFG_LP_FPWM_VALUE_DEFAULT      0x18
+#define PWC_CDR                                0xF253
+#define PWC_CDR_DEFAULT                        0x03
+#define CFG_L1_0_RET_VALUE_DEFAULT     0x1B
+#define CFG_L1_0_CRC_MISC_RET_VALUE_DEFAULT    0x0C
+
 /* Phy register */
 #define PHY_PCR                                0x00
 #define   PHY_PCR_FORCE_CODE           0xB000
@@ -856,6 +928,7 @@
 
 #define PCR_ASPM_SETTING_REG1          0x160
 #define PCR_ASPM_SETTING_REG2          0x168
+#define PCR_ASPM_SETTING_5260          0x178
 
 #define PCR_SETTING_REG1               0x724
 #define PCR_SETTING_REG2               0x814
@@ -889,6 +962,7 @@ struct pcr_ops {
        int             (*conv_clk_and_div_n)(int clk, int dir);
        void            (*fetch_vendor_settings)(struct rtsx_pcr *pcr);
        void            (*force_power_down)(struct rtsx_pcr *pcr, u8 pm_state);
+       void            (*stop_cmd)(struct rtsx_pcr *pcr);
 
        void (*set_aspm)(struct rtsx_pcr *pcr, bool enable);
        int (*set_ltr_latency)(struct rtsx_pcr *pcr, u32 latency);
@@ -1044,9 +1118,10 @@ struct rtsx_pcr {
 };
 
 #define PID_524A       0x524A
-#define PID_5249               0x5249
-#define PID_5250               0x5250
+#define PID_5249       0x5249
+#define PID_5250       0x5250
 #define PID_525A       0x525A
+#define PID_5260       0x5260
 
 #define CHK_PCI_PID(pcr, pid)          ((pcr)->pci->device == (pid))
 #define PCI_VID(pcr)                   ((pcr)->pci->vendor)
-- 
1.9.1

Reply via email to