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| author | Adrian Betschart <adrian.betschart@cinemaone.ch> | 2026-09-11 17:13:14 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-10-01 17:18:05 -0400 |
| commit | 106b4a2a78b2a2f14885604891957b84bba502db (patch) | |
| tree | 5d40eef2428fb1a4791ab46a4b19091a5910eac2 /drivers/misc/cardreader/rtl8411.c | |
| download | linux-stable-106b4a2a78b2a2f14885604891957b84bba502db.tar.gz linux-stable-106b4a2a78b2a2f14885604891957b84bba502db.zip | |
drm/amd/display: Try RGB before YCbCr 4:4:4 in stream validationgrafted
amdgpu_dm_create_validate_stream_for_sink() walks encoding_order[] and
uses the first encoding that validates. YCbCr 4:4:4 is listed before
RGB, so an HDMI sink that advertises 4:4:4 gets YCbCr 4:4:4 whenever the
"color format" property is left at AUTO, even though RGB fits the same
link.
That contradicts the documented AUTO behaviour for HDMI in enum
drm_connector_color_format (RGB, falling back to YCbCr 4:2:0 only when
the bandwidth is not available or the mode is 4:2:0-only), which the
amdgpu implementation of the property also describes. It also leaves
the "Broadcast RGB" property without effect on such sinks, since the
quantization range it selects only applies to RGB output.
Try RGB first. The mask still holds every encoding the sink supports,
so a mode that cannot carry RGB falls back exactly as before.
For reference, v7.2 picked RGB here unless YCbCr 4:4:4 was forced
through debugfs, while earlier kernels picked YCbCr 4:4:4 for any HDMI
sink that advertised it.
Fixes: 0b0ff65d3ca1 ("drm/amd/display: Refactor stream validation")
Suggested-by: Adolfo Rodrigues <adolfotregosa@gmail.com>
Assisted-by: Claude Code:claude-fable-5-1
Signed-off-by: Adrian Betschart <adrian.betschart@cinemaone.ch>
Reviewed-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Adolfo Rodrigues <adolfotregosa@gmail.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 7de432bc753133764dc40d37f9388da56de251e7)
Diffstat (limited to 'drivers/misc/cardreader/rtl8411.c')
| -rw-r--r-- | drivers/misc/cardreader/rtl8411.c | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/rtl8411.c b/drivers/misc/cardreader/rtl8411.c new file mode 100644 index 000000000..06457e875 --- /dev/null +++ b/drivers/misc/cardreader/rtl8411.c @@ -0,0 +1,499 @@ +// 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> + * 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) +{ + struct pci_dev *pdev = pcr->pci; + u32 reg1 = 0; + u8 reg3 = 0; + + pci_read_config_dword(pdev, 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); + + pci_read_config_byte(pdev, 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) +{ + struct pci_dev *pdev = pcr->pci; + u32 reg = 0; + + pci_read_config_dword(pdev, 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, bool runtime) +{ + 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->aspm_mode = ASPM_MODE_CFG; + 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); +} |
