diff options
Diffstat (limited to 'drivers/misc/cardreader')
| -rw-r--r-- | drivers/misc/cardreader/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/misc/cardreader/Makefile | 4 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rtl8411.c | 508 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rts5209.c | 277 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rts5227.c | 374 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rts5229.c | 273 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rts5249.c | 740 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rtsx_pcr.c | 1569 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rtsx_pcr.h | 103 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rtsx_usb.c | 791 |
10 files changed, 4659 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/Kconfig b/drivers/misc/cardreader/Kconfig new file mode 100644 index 000000000000..e7d835a160bb --- /dev/null +++ b/drivers/misc/cardreader/Kconfig @@ -0,0 +1,20 @@ +config MISC_RTSX_PCI + tristate "Realtek PCI-E card reader" + depends on PCI + select MFD_CORE + help + This supports for Realtek PCI-Express card reader including rts5209, + rts5227, rts522A, rts5229, rts5249, rts524A, rts525A, rtl8411. + Realtek card readers support access to many types of memory cards, + such as Memory Stick, Memory Stick Pro, Secure Digital and + MultiMediaCard. + +config MISC_RTSX_USB + tristate "Realtek USB card reader" + depends on USB + select MFD_CORE + help + Select this option to get support for Realtek USB 2.0 card readers + including RTS5129, RTS5139, RTS5179 and RTS5170. + Realtek card reader supports access to many types of memory cards, + such as Memory Stick Pro, Secure Digital and MultiMediaCard. diff --git a/drivers/misc/cardreader/Makefile b/drivers/misc/cardreader/Makefile new file mode 100644 index 000000000000..78337b24fc62 --- /dev/null +++ b/drivers/misc/cardreader/Makefile @@ -0,0 +1,4 @@ +rtsx_pci-objs := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o + +obj-$(CONFIG_MISC_RTSX_PCI) += rtsx_pci.o +obj-$(CONFIG_MISC_RTSX_USB) += rtsx_usb.o diff --git a/drivers/misc/cardreader/rtl8411.c b/drivers/misc/cardreader/rtl8411.c new file mode 100644 index 000000000000..434fd070d3e3 --- /dev/null +++ b/drivers/misc/cardreader/rtl8411.c @@ -0,0 +1,508 @@ +/* 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> + * Roger Tseng <rogerable@realtek.com> + */ + +#include <linux/module.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/rtsx_pci.h> + +#include "rtsx_pcr.h" + +static u8 rtl8411_get_ic_version(struct rtsx_pcr *pcr) +{ + u8 val; + + rtsx_pci_read_register(pcr, SYS_VER, &val); + return val & 0x0F; +} + +static int rtl8411b_is_qfn48(struct rtsx_pcr *pcr) +{ + u8 val = 0; + + rtsx_pci_read_register(pcr, RTL8411B_PACKAGE_MODE, &val); + + if (val & 0x2) + return 1; + else + return 0; +} + +static void rtl8411_fetch_vendor_settings(struct rtsx_pcr *pcr) +{ + u32 reg1 = 0; + u8 reg3 = 0; + + rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, ®1); + pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg1); + + if (!rtsx_vendor_setting_valid(reg1)) + return; + + pcr->aspm_en = rtsx_reg_to_aspm(reg1); + pcr->sd30_drive_sel_1v8 = + map_sd_drive(rtsx_reg_to_sd30_drive_sel_1v8(reg1)); + pcr->card_drive_sel &= 0x3F; + pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg1); + + rtsx_pci_read_config_byte(pcr, PCR_SETTING_REG3, ®3); + pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG3, reg3); + pcr->sd30_drive_sel_3v3 = rtl8411_reg_to_sd30_drive_sel_3v3(reg3); +} + +static void rtl8411b_fetch_vendor_settings(struct rtsx_pcr *pcr) +{ + u32 reg = 0; + + 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)) + return; + + pcr->aspm_en = rtsx_reg_to_aspm(reg); + pcr->sd30_drive_sel_1v8 = + map_sd_drive(rtsx_reg_to_sd30_drive_sel_1v8(reg)); + pcr->sd30_drive_sel_3v3 = + map_sd_drive(rtl8411b_reg_to_sd30_drive_sel_3v3(reg)); +} + +static void rtl8411_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) +{ + rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07); +} + +static int rtl8411_extra_init_hw(struct rtsx_pcr *pcr) +{ + rtsx_pci_init_cmd(pcr); + + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL, + 0xFF, pcr->sd30_drive_sel_3v3); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CD_PAD_CTL, + CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE); + + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rtl8411b_extra_init_hw(struct rtsx_pcr *pcr) +{ + rtsx_pci_init_cmd(pcr); + + if (rtl8411b_is_qfn48(pcr)) + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, + CARD_PULL_CTL3, 0xFF, 0xF5); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL, + 0xFF, pcr->sd30_drive_sel_3v3); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CD_PAD_CTL, + CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, FUNC_FORCE_CTL, + 0x06, 0x00); + + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rtl8411_turn_on_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_GPIO, 0x01, 0x00); +} + +static int rtl8411_turn_off_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_GPIO, 0x01, 0x01); +} + +static int rtl8411_enable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_AUTO_BLINK, 0xFF, 0x0D); +} + +static int rtl8411_disable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_AUTO_BLINK, 0x08, 0x00); +} + +static int rtl8411_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, + BPP_POWER_MASK, BPP_POWER_5_PERCENT_ON); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_CTL, + BPP_LDO_POWB, BPP_LDO_SUSPEND); + err = rtsx_pci_send_cmd(pcr, 100); + if (err < 0) + return err; + + /* To avoid too large in-rush current */ + udelay(150); + + err = rtsx_pci_write_register(pcr, CARD_PWR_CTL, + BPP_POWER_MASK, BPP_POWER_10_PERCENT_ON); + if (err < 0) + return err; + + udelay(150); + + err = rtsx_pci_write_register(pcr, CARD_PWR_CTL, + BPP_POWER_MASK, BPP_POWER_15_PERCENT_ON); + if (err < 0) + return err; + + udelay(150); + + err = rtsx_pci_write_register(pcr, CARD_PWR_CTL, + BPP_POWER_MASK, BPP_POWER_ON); + if (err < 0) + return err; + + return rtsx_pci_write_register(pcr, LDO_CTL, BPP_LDO_POWB, BPP_LDO_ON); +} + +static int rtl8411_card_power_off(struct rtsx_pcr *pcr, int card) +{ + int err; + + err = rtsx_pci_write_register(pcr, CARD_PWR_CTL, + BPP_POWER_MASK, BPP_POWER_OFF); + if (err < 0) + return err; + + return rtsx_pci_write_register(pcr, LDO_CTL, + BPP_LDO_POWB, BPP_LDO_SUSPEND); +} + +static int rtl8411_do_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage, + int bpp_tuned18_shift, int bpp_asic_1v8) +{ + u8 mask, val; + int err; + + mask = (BPP_REG_TUNED18 << bpp_tuned18_shift) | BPP_PAD_MASK; + if (voltage == OUTPUT_3V3) { + err = rtsx_pci_write_register(pcr, + SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3); + if (err < 0) + return err; + val = (BPP_ASIC_3V3 << bpp_tuned18_shift) | BPP_PAD_3V3; + } else if (voltage == OUTPUT_1V8) { + err = rtsx_pci_write_register(pcr, + SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8); + if (err < 0) + return err; + val = (bpp_asic_1v8 << bpp_tuned18_shift) | BPP_PAD_1V8; + } else { + return -EINVAL; + } + + return rtsx_pci_write_register(pcr, LDO_CTL, mask, val); +} + +static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + return rtl8411_do_switch_output_voltage(pcr, voltage, + BPP_TUNED18_SHIFT_8411, BPP_ASIC_1V8); +} + +static int rtl8402_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + return rtl8411_do_switch_output_voltage(pcr, voltage, + BPP_TUNED18_SHIFT_8402, BPP_ASIC_2V0); +} + +static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr) +{ + unsigned int card_exist; + + card_exist = rtsx_pci_readl(pcr, RTSX_BIPR); + card_exist &= CARD_EXIST; + if (!card_exist) { + /* Enable card CD */ + rtsx_pci_write_register(pcr, CD_PAD_CTL, + CD_DISABLE_MASK, CD_ENABLE); + /* Enable card interrupt */ + rtsx_pci_write_register(pcr, EFUSE_CONTENT, 0xe0, 0x00); + return 0; + } + + if (hweight32(card_exist) > 1) { + rtsx_pci_write_register(pcr, CARD_PWR_CTL, + BPP_POWER_MASK, BPP_POWER_5_PERCENT_ON); + msleep(100); + + card_exist = rtsx_pci_readl(pcr, RTSX_BIPR); + if (card_exist & MS_EXIST) + card_exist = MS_EXIST; + else if (card_exist & SD_EXIST) + card_exist = SD_EXIST; + else + card_exist = 0; + + rtsx_pci_write_register(pcr, CARD_PWR_CTL, + BPP_POWER_MASK, BPP_POWER_OFF); + + pcr_dbg(pcr, "After CD deglitch, card_exist = 0x%x\n", + card_exist); + } + + if (card_exist & MS_EXIST) { + /* Disable SD interrupt */ + rtsx_pci_write_register(pcr, EFUSE_CONTENT, 0xe0, 0x40); + rtsx_pci_write_register(pcr, CD_PAD_CTL, + CD_DISABLE_MASK, MS_CD_EN_ONLY); + } else if (card_exist & SD_EXIST) { + /* Disable MS interrupt */ + rtsx_pci_write_register(pcr, EFUSE_CONTENT, 0xe0, 0x80); + rtsx_pci_write_register(pcr, CD_PAD_CTL, + CD_DISABLE_MASK, SD_CD_EN_ONLY); + } + + return card_exist; +} + +static int rtl8411_conv_clk_and_div_n(int input, int dir) +{ + int output; + + if (dir == CLK_TO_DIV_N) + output = input * 4 / 5 - 2; + else + output = (input + 2) * 5 / 4; + + return output; +} + +static const struct pcr_ops rtl8411_pcr_ops = { + .fetch_vendor_settings = rtl8411_fetch_vendor_settings, + .extra_init_hw = rtl8411_extra_init_hw, + .optimize_phy = NULL, + .turn_on_led = rtl8411_turn_on_led, + .turn_off_led = rtl8411_turn_off_led, + .enable_auto_blink = rtl8411_enable_auto_blink, + .disable_auto_blink = rtl8411_disable_auto_blink, + .card_power_on = rtl8411_card_power_on, + .card_power_off = rtl8411_card_power_off, + .switch_output_voltage = rtl8411_switch_output_voltage, + .cd_deglitch = rtl8411_cd_deglitch, + .conv_clk_and_div_n = rtl8411_conv_clk_and_div_n, + .force_power_down = rtl8411_force_power_down, +}; + +static const struct pcr_ops rtl8402_pcr_ops = { + .fetch_vendor_settings = rtl8411_fetch_vendor_settings, + .extra_init_hw = rtl8411_extra_init_hw, + .optimize_phy = NULL, + .turn_on_led = rtl8411_turn_on_led, + .turn_off_led = rtl8411_turn_off_led, + .enable_auto_blink = rtl8411_enable_auto_blink, + .disable_auto_blink = rtl8411_disable_auto_blink, + .card_power_on = rtl8411_card_power_on, + .card_power_off = rtl8411_card_power_off, + .switch_output_voltage = rtl8402_switch_output_voltage, + .cd_deglitch = rtl8411_cd_deglitch, + .conv_clk_and_div_n = rtl8411_conv_clk_and_div_n, + .force_power_down = rtl8411_force_power_down, +}; + +static const struct pcr_ops rtl8411b_pcr_ops = { + .fetch_vendor_settings = rtl8411b_fetch_vendor_settings, + .extra_init_hw = rtl8411b_extra_init_hw, + .optimize_phy = NULL, + .turn_on_led = rtl8411_turn_on_led, + .turn_off_led = rtl8411_turn_off_led, + .enable_auto_blink = rtl8411_enable_auto_blink, + .disable_auto_blink = rtl8411_disable_auto_blink, + .card_power_on = rtl8411_card_power_on, + .card_power_off = rtl8411_card_power_off, + .switch_output_voltage = rtl8411_switch_output_voltage, + .cd_deglitch = rtl8411_cd_deglitch, + .conv_clk_and_div_n = rtl8411_conv_clk_and_div_n, + .force_power_down = rtl8411_force_power_down, +}; + +/* 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 rtl8411_sd_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0xA9), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x09), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04), + 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 rtl8411_sd_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x95), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04), + 0, +}; + +/* MS Pull Control Enable: + * MS CD ==> pull up + * others ==> pull down + */ +static const u32 rtl8411_ms_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x95), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x05), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04), + 0, +}; + +/* MS Pull Control Disable: + * MS CD ==> pull up + * others ==> pull down + */ +static const u32 rtl8411_ms_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x95), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04), + 0, +}; + +static const u32 rtl8411b_qfn64_sd_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x09 | 0xD0), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn48_sd_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x69 | 0x90), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x08 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn64_sd_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn48_sd_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn64_ms_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x05 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn48_ms_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn64_ms_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x65), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x05 | 0xD0), + RTSX_REG_PAIR(CARD_PULL_CTL4, 0x09 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL5, 0x05 | 0x50), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static const u32 rtl8411b_qfn48_ms_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0x65 | 0x90), + RTSX_REG_PAIR(CARD_PULL_CTL6, 0x04 | 0x11), + 0, +}; + +static void rtl8411_init_common_params(struct rtsx_pcr *pcr) +{ + pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104; + pcr->num_slots = 2; + pcr->flags = 0; + pcr->card_drive_sel = RTL8411_CARD_DRIVE_DEFAULT; + pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B; + pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D; + pcr->aspm_en = ASPM_L1_EN; + pcr->tx_initial_phase = SET_CLOCK_PHASE(23, 7, 14); + pcr->rx_initial_phase = SET_CLOCK_PHASE(4, 3, 10); + pcr->ic_version = rtl8411_get_ic_version(pcr); +} + +void rtl8411_init_params(struct rtsx_pcr *pcr) +{ + rtl8411_init_common_params(pcr); + pcr->ops = &rtl8411_pcr_ops; + set_pull_ctrl_tables(pcr, rtl8411); +} + +void rtl8411b_init_params(struct rtsx_pcr *pcr) +{ + rtl8411_init_common_params(pcr); + pcr->ops = &rtl8411b_pcr_ops; + if (rtl8411b_is_qfn48(pcr)) + set_pull_ctrl_tables(pcr, rtl8411b_qfn48); + else + set_pull_ctrl_tables(pcr, rtl8411b_qfn64); +} + +void rtl8402_init_params(struct rtsx_pcr *pcr) +{ + rtl8411_init_common_params(pcr); + pcr->ops = &rtl8402_pcr_ops; + set_pull_ctrl_tables(pcr, rtl8411); +} diff --git a/drivers/misc/cardreader/rts5209.c b/drivers/misc/cardreader/rts5209.c new file mode 100644 index 000000000000..ce68c48d8ec9 --- /dev/null +++ b/drivers/misc/cardreader/rts5209.c @@ -0,0 +1,277 @@ +/* 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 rts5209_get_ic_version(struct rtsx_pcr *pcr) +{ + u8 val; + + val = rtsx_pci_readb(pcr, 0x1C); + return val & 0x0F; +} + +static void rts5209_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 (rts5209_vendor_setting1_valid(reg)) { + if (rts5209_reg_check_ms_pmos(reg)) + pcr->flags |= PCR_MS_PMOS; + pcr->aspm_en = rts5209_reg_to_aspm(reg); + } + + rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, ®); + pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg); + + if (rts5209_vendor_setting2_valid(reg)) { + pcr->sd30_drive_sel_1v8 = + rts5209_reg_to_sd30_drive_sel_1v8(reg); + pcr->sd30_drive_sel_3v3 = + rts5209_reg_to_sd30_drive_sel_3v3(reg); + pcr->card_drive_sel = rts5209_reg_to_card_drive_sel(reg); + } +} + +static void rts5209_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) +{ + rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07); +} + +static int rts5209_extra_init_hw(struct rtsx_pcr *pcr) +{ + rtsx_pci_init_cmd(pcr); + + /* Turn off LED */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO, 0xFF, 0x03); + /* Reset ASPM state to default value */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0); + /* Force CLKREQ# PIN to drive 0 to request clock */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x08, 0x08); + /* Configure GPIO as output */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO_DIR, 0xFF, 0x03); + /* Configure driving */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL, + 0xFF, pcr->sd30_drive_sel_3v3); + + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rts5209_optimize_phy(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_phy_register(pcr, 0x00, 0xB966); +} + +static int rts5209_turn_on_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_GPIO, 0x01, 0x00); +} + +static int rts5209_turn_off_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_GPIO, 0x01, 0x01); +} + +static int rts5209_enable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_AUTO_BLINK, 0xFF, 0x0D); +} + +static int rts5209_disable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, CARD_AUTO_BLINK, 0x08, 0x00); +} + +static int rts5209_card_power_on(struct rtsx_pcr *pcr, int card) +{ + int err; + u8 pwr_mask, partial_pwr_on, pwr_on; + + pwr_mask = SD_POWER_MASK; + partial_pwr_on = SD_PARTIAL_POWER_ON; + pwr_on = SD_POWER_ON; + + if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) { + pwr_mask = MS_POWER_MASK; + partial_pwr_on = MS_PARTIAL_POWER_ON; + pwr_on = MS_POWER_ON; + } + + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, + pwr_mask, partial_pwr_on); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0x04); + err = rtsx_pci_send_cmd(pcr, 100); + if (err < 0) + return err; + + /* To avoid too large in-rush current */ + udelay(150); + + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, pwr_mask, pwr_on); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0x00); + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card) +{ + u8 pwr_mask, pwr_off; + + pwr_mask = SD_POWER_MASK; + pwr_off = SD_POWER_OFF; + + if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) { + pwr_mask = MS_POWER_MASK; + pwr_off = MS_POWER_OFF; + } + + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, + pwr_mask | PMOS_STRG_MASK, pwr_off | PMOS_STRG_400mA); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0x06); + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + int err; + + if (voltage == OUTPUT_3V3) { + err = rtsx_pci_write_register(pcr, + SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3); + if (err < 0) + return err; + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); + if (err < 0) + return err; + } else if (voltage == OUTPUT_1V8) { + err = rtsx_pci_write_register(pcr, + SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8); + if (err < 0) + return err; + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); + if (err < 0) + return err; + } else { + return -EINVAL; + } + + return 0; +} + +static const struct pcr_ops rts5209_pcr_ops = { + .fetch_vendor_settings = rts5209_fetch_vendor_settings, + .extra_init_hw = rts5209_extra_init_hw, + .optimize_phy = rts5209_optimize_phy, + .turn_on_led = rts5209_turn_on_led, + .turn_off_led = rts5209_turn_off_led, + .enable_auto_blink = rts5209_enable_auto_blink, + .disable_auto_blink = rts5209_disable_auto_blink, + .card_power_on = rts5209_card_power_on, + .card_power_off = rts5209_card_power_off, + .switch_output_voltage = rts5209_switch_output_voltage, + .cd_deglitch = NULL, + .conv_clk_and_div_n = NULL, + .force_power_down = rts5209_force_power_down, +}; + +/* 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 rts5209_sd_pull_ctl_enable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9), + 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 rts5209_sd_pull_ctl_disable_tbl[] = { + RTSX_REG_PAIR(CARD_PULL_CTL1, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55), + RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5), + 0, +}; + +/* MS Pull Control Enable: + * MS CD ==> pull up + * others ==> pull down + */ +static const u32 rts5209_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 rts5209_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 rts5209_init_params(struct rtsx_pcr *pcr) +{ + pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | + EXTRA_CAPS_SD_SDR104 | EXTRA_CAPS_MMC_8BIT; + pcr->num_slots = 2; + pcr->ops = &rts5209_pcr_ops; + + pcr->flags = 0; + pcr->card_drive_sel = RTS5209_CARD_DRIVE_DEFAULT; + pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B; + pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D; + pcr->aspm_en = ASPM_L1_EN; + pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 16); + pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5); + + pcr->ic_version = rts5209_get_ic_version(pcr); + pcr->sd_pull_ctl_enable_tbl = rts5209_sd_pull_ctl_enable_tbl; + pcr->sd_pull_ctl_disable_tbl = rts5209_sd_pull_ctl_disable_tbl; + pcr->ms_pull_ctl_enable_tbl = rts5209_ms_pull_ctl_enable_tbl; + pcr->ms_pull_ctl_disable_tbl = rts5209_ms_pull_ctl_disable_tbl; +} diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c new file mode 100644 index 000000000000..024dcba8d6c8 --- /dev/null +++ b/drivers/misc/cardreader/rts5227.c @@ -0,0 +1,374 @@ +/* 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> + * Roger Tseng <rogerable@realtek.com> + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/rtsx_pci.h> + +#include "rtsx_pcr.h" + +static u8 rts5227_get_ic_version(struct rtsx_pcr *pcr) +{ + u8 val; + + rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val); + return val & 0x0F; +} + +static void rts5227_fill_driving(struct rtsx_pcr *pcr, u8 voltage) +{ + u8 driving_3v3[4][3] = { + {0x13, 0x13, 0x13}, + {0x96, 0x96, 0x96}, + {0x7F, 0x7F, 0x7F}, + {0x96, 0x96, 0x96}, + }; + u8 driving_1v8[4][3] = { + {0x99, 0x99, 0x99}, + {0xAA, 0xAA, 0xAA}, + {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 rts5227_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)) + 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 rts5227_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, 0x10, 0x10); + + rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03); +} + +static int rts5227_extra_init_hw(struct rtsx_pcr *pcr) +{ + u16 cap; + + rtsx_pci_init_cmd(pcr); + + /* 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 LTR */ + pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &cap); + if (cap & PCI_EXP_DEVCTL2_LTR_EN) + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LTR_CTL, 0xFF, 0xA3); + /* Configure OBFF */ + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG, 0x03, 0x03); + /* Configure driving */ + rts5227_fill_driving(pcr, OUTPUT_3V3); + /* Configure force_clock_req */ + if (pcr->flags & PCR_REVERSE_SOCKET) + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0xB8); + else + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0x88); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00); + + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rts5227_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; + + /* Optimize RX sensitivity */ + return rtsx_pci_write_phy_register(pcr, 0x00, 0xBA42); +} + +static int rts5227_turn_on_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02); +} + +static int rts5227_turn_off_led(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00); +} + +static int rts5227_enable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08); +} + +static int rts5227_disable_auto_blink(struct rtsx_pcr *pcr) +{ + return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00); +} + +static int rts5227_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_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; + + /* To avoid too large in-rush current */ + udelay(150); + + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, + SD_POWER_MASK, SD_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 rts5227_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 | PMOS_STRG_MASK, + SD_POWER_OFF | PMOS_STRG_400mA); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, + LDO3318_PWR_MASK, 0X00); + return rtsx_pci_send_cmd(pcr, 100); +} + +static int rts5227_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + int err; + + if (voltage == OUTPUT_3V3) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); + if (err < 0) + return err; + } else if (voltage == OUTPUT_1V8) { + err |