From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/misc/cardreader/rts5227.c | 200 ++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 163 insertions(+), 37 deletions(-)
diff --git a/kernel/drivers/misc/cardreader/rts5227.c b/kernel/drivers/misc/cardreader/rts5227.c
index d3ce9fe..8200af2 100644
--- a/kernel/drivers/misc/cardreader/rts5227.c
+++ b/kernel/drivers/misc/cardreader/rts5227.c
@@ -1,19 +1,7 @@
+// 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.
- *
- * 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>
@@ -68,9 +56,10 @@
static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr)
{
+ struct pci_dev *pdev = pcr->pci;
u32 reg;
- rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, ®);
+ 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))
@@ -81,30 +70,82 @@
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, ®);
+ pci_read_config_dword(pdev, PCR_SETTING_REG2, ®);
pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, 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 rts5227_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
+static void rts5227_init_from_cfg(struct rtsx_pcr *pcr)
{
- /* 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);
+ struct pci_dev *pdev = pcr->pci;
+ int l1ss;
+ u32 lval;
+ struct rtsx_cr_option *option = &pcr->option;
- if (pm_state == HOST_ENTER_S3)
- rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x10);
+ l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
+ if (!l1ss)
+ return;
- rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
+ pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
+
+ if (CHK_PCI_PID(pcr, 0x522A)) {
+ if (0 == (lval & 0x0F))
+ rtsx_pci_enable_oobs_polling(pcr);
+ else
+ rtsx_pci_disable_oobs_polling(pcr);
+ }
+
+ if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
+ rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
+ else
+ rtsx_clear_dev_flag(pcr, ASPM_L1_1_EN);
+
+ if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
+ rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
+ else
+ rtsx_clear_dev_flag(pcr, ASPM_L1_2_EN);
+
+ if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
+ rtsx_set_dev_flag(pcr, PM_L1_1_EN);
+ else
+ rtsx_clear_dev_flag(pcr, PM_L1_1_EN);
+
+ if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
+ rtsx_set_dev_flag(pcr, PM_L1_2_EN);
+ else
+ rtsx_clear_dev_flag(pcr, PM_L1_2_EN);
+
+ if (option->ltr_en) {
+ u16 val;
+
+ pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
+ if (val & PCI_EXP_DEVCTL2_LTR_EN) {
+ option->ltr_enabled = true;
+ option->ltr_active = true;
+ rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
+ } else {
+ option->ltr_enabled = false;
+ }
+ }
+
+ 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 rts5227_extra_init_hw(struct rtsx_pcr *pcr)
{
u16 cap;
+ struct rtsx_cr_option *option = &pcr->option;
+ rts5227_init_from_cfg(pcr);
rtsx_pci_init_cmd(pcr);
/* Configure GPIO as output */
@@ -126,9 +167,17 @@
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);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x30);
else
- rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0x88);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x00);
+
+ 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);
+
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00);
return rtsx_pci_send_cmd(pcr, 100);
@@ -170,35 +219,46 @@
{
int err;
+ if (pcr->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_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);
-
+ msleep(20);
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);
+
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_OE,
+ SD_OUTPUT_EN, SD_OUTPUT_EN);
+ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_OE,
+ MS_OUTPUT_EN, MS_OUTPUT_EN);
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);
+ if (pcr->option.ocp_en)
+ rtsx_pci_disable_ocp(pcr);
+
+ rtsx_pci_write_register(pcr, CARD_PWR_CTL, SD_POWER_MASK |
+ PMOS_STRG_MASK, SD_POWER_OFF | PMOS_STRG_400mA);
+ rtsx_pci_write_register(pcr, PWR_GATE_CTRL, LDO3318_PWR_MASK, 0X00);
+
+ return 0;
}
static int rts5227_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
@@ -239,7 +299,6 @@
.switch_output_voltage = rts5227_switch_output_voltage,
.cd_deglitch = NULL,
.conv_clk_and_div_n = NULL,
- .force_power_down = rts5227_force_power_down,
};
/* SD Pull Control Enable:
@@ -353,6 +412,53 @@
return 0;
}
+static int rts522a_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+ int err;
+
+ if (voltage == OUTPUT_3V3) {
+ err = rtsx_pci_write_phy_register(pcr, 0x08, 0x57E4);
+ if (err < 0)
+ return err;
+ } else if (voltage == OUTPUT_1V8) {
+ err = rtsx_pci_write_phy_register(pcr, 0x11, 0x3C02);
+ if (err < 0)
+ return err;
+ err = rtsx_pci_write_phy_register(pcr, 0x08, 0x54A4);
+ if (err < 0)
+ return err;
+ } else {
+ return -EINVAL;
+ }
+
+ /* set pad drive */
+ rtsx_pci_init_cmd(pcr);
+ rts5227_fill_driving(pcr, voltage);
+ return rtsx_pci_send_cmd(pcr, 100);
+}
+
+static void rts522a_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
+{
+ struct rtsx_cr_option *option = &pcr->option;
+ 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;
+ }
+
+ rtsx_set_l1off_sub(pcr, val);
+}
+
/* rts522a operations mainly derived from rts5227, except phy/hw init setting.
*/
static const struct pcr_ops rts522a_pcr_ops = {
@@ -365,16 +471,36 @@
.disable_auto_blink = rts5227_disable_auto_blink,
.card_power_on = rts5227_card_power_on,
.card_power_off = rts5227_card_power_off,
- .switch_output_voltage = rts5227_switch_output_voltage,
+ .switch_output_voltage = rts522a_switch_output_voltage,
.cd_deglitch = NULL,
.conv_clk_and_div_n = NULL,
- .force_power_down = rts5227_force_power_down,
+ .set_l1off_cfg_sub_d0 = rts522a_set_l1off_cfg_sub_d0,
};
void rts522a_init_params(struct rtsx_pcr *pcr)
{
+ struct rtsx_cr_option *option = &pcr->option;
+
rts5227_init_params(pcr);
pcr->ops = &rts522a_pcr_ops;
pcr->tx_initial_phase = SET_CLOCK_PHASE(20, 20, 11);
pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
+
+ option->dev_flags = 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 = 0x7F;
+ option->ltr_l1off_snooze_sspwrgate = 0x78;
+
+ 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 = RTS522A_OCP_THD_800;
+
}
--
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