cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rts5227.c (15541B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/* Driver for Realtek PCI-Express card reader
      3 *
      4 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
      5 *
      6 * Author:
      7 *   Wei WANG <wei_wang@realsil.com.cn>
      8 *   Roger Tseng <rogerable@realtek.com>
      9 */
     10
     11#include <linux/module.h>
     12#include <linux/delay.h>
     13#include <linux/rtsx_pci.h>
     14
     15#include "rtsx_pcr.h"
     16
     17static u8 rts5227_get_ic_version(struct rtsx_pcr *pcr)
     18{
     19	u8 val;
     20
     21	rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
     22	return val & 0x0F;
     23}
     24
     25static void rts5227_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
     26{
     27	u8 driving_3v3[4][3] = {
     28		{0x13, 0x13, 0x13},
     29		{0x96, 0x96, 0x96},
     30		{0x7F, 0x7F, 0x7F},
     31		{0x96, 0x96, 0x96},
     32	};
     33	u8 driving_1v8[4][3] = {
     34		{0x99, 0x99, 0x99},
     35		{0xAA, 0xAA, 0xAA},
     36		{0xFE, 0xFE, 0xFE},
     37		{0xB3, 0xB3, 0xB3},
     38	};
     39	u8 (*driving)[3], drive_sel;
     40
     41	if (voltage == OUTPUT_3V3) {
     42		driving = driving_3v3;
     43		drive_sel = pcr->sd30_drive_sel_3v3;
     44	} else {
     45		driving = driving_1v8;
     46		drive_sel = pcr->sd30_drive_sel_1v8;
     47	}
     48
     49	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
     50			0xFF, driving[drive_sel][0]);
     51	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
     52			0xFF, driving[drive_sel][1]);
     53	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
     54			0xFF, driving[drive_sel][2]);
     55}
     56
     57static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr)
     58{
     59	struct pci_dev *pdev = pcr->pci;
     60	u32 reg;
     61
     62	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
     63	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
     64
     65	if (!rtsx_vendor_setting_valid(reg))
     66		return;
     67
     68	pcr->aspm_en = rtsx_reg_to_aspm(reg);
     69	pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg);
     70	pcr->card_drive_sel &= 0x3F;
     71	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
     72
     73	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
     74	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
     75	if (CHK_PCI_PID(pcr, 0x522A))
     76		pcr->rtd3_en = rtsx_reg_to_rtd3(reg);
     77	if (rtsx_check_mmc_support(reg))
     78		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
     79	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
     80	if (rtsx_reg_check_reverse_socket(reg))
     81		pcr->flags |= PCR_REVERSE_SOCKET;
     82}
     83
     84static void rts5227_init_from_cfg(struct rtsx_pcr *pcr)
     85{
     86	struct pci_dev *pdev = pcr->pci;
     87	int l1ss;
     88	u32 lval;
     89	struct rtsx_cr_option *option = &pcr->option;
     90
     91	l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
     92	if (!l1ss)
     93		return;
     94
     95	pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
     96
     97	if (CHK_PCI_PID(pcr, 0x522A)) {
     98		if (0 == (lval & 0x0F))
     99			rtsx_pci_enable_oobs_polling(pcr);
    100		else
    101			rtsx_pci_disable_oobs_polling(pcr);
    102	}
    103
    104	if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
    105		rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
    106	else
    107		rtsx_clear_dev_flag(pcr, ASPM_L1_1_EN);
    108
    109	if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
    110		rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
    111	else
    112		rtsx_clear_dev_flag(pcr, ASPM_L1_2_EN);
    113
    114	if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
    115		rtsx_set_dev_flag(pcr, PM_L1_1_EN);
    116	else
    117		rtsx_clear_dev_flag(pcr, PM_L1_1_EN);
    118
    119	if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
    120		rtsx_set_dev_flag(pcr, PM_L1_2_EN);
    121	else
    122		rtsx_clear_dev_flag(pcr, PM_L1_2_EN);
    123
    124	if (option->ltr_en) {
    125		u16 val;
    126
    127		pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
    128		if (val & PCI_EXP_DEVCTL2_LTR_EN) {
    129			option->ltr_enabled = true;
    130			option->ltr_active = true;
    131			rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
    132		} else {
    133			option->ltr_enabled = false;
    134		}
    135	}
    136
    137	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
    138				| PM_L1_1_EN | PM_L1_2_EN))
    139		option->force_clkreq_0 = false;
    140	else
    141		option->force_clkreq_0 = true;
    142
    143}
    144
    145static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
    146{
    147	u16 cap;
    148	struct rtsx_cr_option *option = &pcr->option;
    149
    150	rts5227_init_from_cfg(pcr);
    151	rtsx_pci_init_cmd(pcr);
    152
    153	/* Configure GPIO as output */
    154	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
    155	/* Reset ASPM state to default value */
    156	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0);
    157	/* Switch LDO3318 source from DV33 to card_3v3 */
    158	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
    159	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
    160	/* LED shine disabled, set initial shine cycle period */
    161	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
    162	/* Configure LTR */
    163	pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &cap);
    164	if (cap & PCI_EXP_DEVCTL2_LTR_EN)
    165		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LTR_CTL, 0xFF, 0xA3);
    166	/* Configure OBFF */
    167	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG, 0x03, 0x03);
    168	/* Configure driving */
    169	rts5227_fill_driving(pcr, OUTPUT_3V3);
    170	/* Configure force_clock_req */
    171	if (pcr->flags & PCR_REVERSE_SOCKET)
    172		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x30);
    173	else
    174		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x00);
    175
    176	if (CHK_PCI_PID(pcr, 0x522A))
    177		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_AUTOLOAD_CFG1,
    178			CD_RESUME_EN_MASK, CD_RESUME_EN_MASK);
    179
    180	if (pcr->rtd3_en) {
    181		if (CHK_PCI_PID(pcr, 0x522A)) {
    182			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PM_CTRL3, 0x01, 0x01);
    183			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PME_FORCE_CTL, 0x30, 0x30);
    184		} else {
    185			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x01, 0x01);
    186			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PME_FORCE_CTL, 0xFF, 0x33);
    187		}
    188	} else {
    189		if (CHK_PCI_PID(pcr, 0x522A)) {
    190			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PM_CTRL3, 0x01, 0x00);
    191			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RTS522A_PME_FORCE_CTL, 0x30, 0x20);
    192		} else {
    193			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PME_FORCE_CTL, 0xFF, 0x30);
    194			rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x01, 0x00);
    195		}
    196	}
    197
    198	if (option->force_clkreq_0)
    199		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
    200				FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
    201	else
    202		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
    203				FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
    204
    205	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00);
    206
    207	return rtsx_pci_send_cmd(pcr, 100);
    208}
    209
    210static int rts5227_optimize_phy(struct rtsx_pcr *pcr)
    211{
    212	int err;
    213
    214	err = rtsx_pci_write_register(pcr, PM_CTRL3, D3_DELINK_MODE_EN, 0x00);
    215	if (err < 0)
    216		return err;
    217
    218	/* Optimize RX sensitivity */
    219	return rtsx_pci_write_phy_register(pcr, 0x00, 0xBA42);
    220}
    221
    222static int rts5227_turn_on_led(struct rtsx_pcr *pcr)
    223{
    224	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02);
    225}
    226
    227static int rts5227_turn_off_led(struct rtsx_pcr *pcr)
    228{
    229	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00);
    230}
    231
    232static int rts5227_enable_auto_blink(struct rtsx_pcr *pcr)
    233{
    234	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08);
    235}
    236
    237static int rts5227_disable_auto_blink(struct rtsx_pcr *pcr)
    238{
    239	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00);
    240}
    241
    242static int rts5227_card_power_on(struct rtsx_pcr *pcr, int card)
    243{
    244	int err;
    245
    246	if (pcr->option.ocp_en)
    247		rtsx_pci_enable_ocp(pcr);
    248
    249	rtsx_pci_init_cmd(pcr);
    250	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
    251			SD_POWER_MASK, SD_PARTIAL_POWER_ON);
    252
    253	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
    254			LDO3318_PWR_MASK, 0x02);
    255
    256	err = rtsx_pci_send_cmd(pcr, 100);
    257	if (err < 0)
    258		return err;
    259
    260	/* To avoid too large in-rush current */
    261	msleep(20);
    262	rtsx_pci_init_cmd(pcr);
    263	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
    264			SD_POWER_MASK, SD_POWER_ON);
    265
    266	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
    267			LDO3318_PWR_MASK, 0x06);
    268
    269	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_OE,
    270			SD_OUTPUT_EN, SD_OUTPUT_EN);
    271	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_OE,
    272			MS_OUTPUT_EN, MS_OUTPUT_EN);
    273	return rtsx_pci_send_cmd(pcr, 100);
    274}
    275
    276static int rts5227_card_power_off(struct rtsx_pcr *pcr, int card)
    277{
    278	if (pcr->option.ocp_en)
    279		rtsx_pci_disable_ocp(pcr);
    280
    281	rtsx_pci_write_register(pcr, CARD_PWR_CTL, SD_POWER_MASK |
    282			PMOS_STRG_MASK, SD_POWER_OFF | PMOS_STRG_400mA);
    283	rtsx_pci_write_register(pcr, PWR_GATE_CTRL, LDO3318_PWR_MASK, 0X00);
    284
    285	return 0;
    286}
    287
    288static int rts5227_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
    289{
    290	int err;
    291
    292	if (voltage == OUTPUT_3V3) {
    293		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
    294		if (err < 0)
    295			return err;
    296	} else if (voltage == OUTPUT_1V8) {
    297		err = rtsx_pci_write_phy_register(pcr, 0x11, 0x3C02);
    298		if (err < 0)
    299			return err;
    300		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C80 | 0x24);
    301		if (err < 0)
    302			return err;
    303	} else {
    304		return -EINVAL;
    305	}
    306
    307	/* set pad drive */
    308	rtsx_pci_init_cmd(pcr);
    309	rts5227_fill_driving(pcr, voltage);
    310	return rtsx_pci_send_cmd(pcr, 100);
    311}
    312
    313static const struct pcr_ops rts5227_pcr_ops = {
    314	.fetch_vendor_settings = rts5227_fetch_vendor_settings,
    315	.extra_init_hw = rts5227_extra_init_hw,
    316	.optimize_phy = rts5227_optimize_phy,
    317	.turn_on_led = rts5227_turn_on_led,
    318	.turn_off_led = rts5227_turn_off_led,
    319	.enable_auto_blink = rts5227_enable_auto_blink,
    320	.disable_auto_blink = rts5227_disable_auto_blink,
    321	.card_power_on = rts5227_card_power_on,
    322	.card_power_off = rts5227_card_power_off,
    323	.switch_output_voltage = rts5227_switch_output_voltage,
    324	.cd_deglitch = NULL,
    325	.conv_clk_and_div_n = NULL,
    326};
    327
    328/* SD Pull Control Enable:
    329 *     SD_DAT[3:0] ==> pull up
    330 *     SD_CD       ==> pull up
    331 *     SD_WP       ==> pull up
    332 *     SD_CMD      ==> pull up
    333 *     SD_CLK      ==> pull down
    334 */
    335static const u32 rts5227_sd_pull_ctl_enable_tbl[] = {
    336	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
    337	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
    338	0,
    339};
    340
    341/* SD Pull Control Disable:
    342 *     SD_DAT[3:0] ==> pull down
    343 *     SD_CD       ==> pull up
    344 *     SD_WP       ==> pull down
    345 *     SD_CMD      ==> pull down
    346 *     SD_CLK      ==> pull down
    347 */
    348static const u32 rts5227_sd_pull_ctl_disable_tbl[] = {
    349	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
    350	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
    351	0,
    352};
    353
    354/* MS Pull Control Enable:
    355 *     MS CD       ==> pull up
    356 *     others      ==> pull down
    357 */
    358static const u32 rts5227_ms_pull_ctl_enable_tbl[] = {
    359	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
    360	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
    361	0,
    362};
    363
    364/* MS Pull Control Disable:
    365 *     MS CD       ==> pull up
    366 *     others      ==> pull down
    367 */
    368static const u32 rts5227_ms_pull_ctl_disable_tbl[] = {
    369	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
    370	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
    371	0,
    372};
    373
    374void rts5227_init_params(struct rtsx_pcr *pcr)
    375{
    376	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
    377	pcr->num_slots = 2;
    378	pcr->ops = &rts5227_pcr_ops;
    379
    380	pcr->flags = 0;
    381	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
    382	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
    383	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
    384	pcr->aspm_en = ASPM_L1_EN;
    385	pcr->aspm_mode = ASPM_MODE_CFG;
    386	pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 15);
    387	pcr->rx_initial_phase = SET_CLOCK_PHASE(30, 7, 7);
    388
    389	pcr->ic_version = rts5227_get_ic_version(pcr);
    390	pcr->sd_pull_ctl_enable_tbl = rts5227_sd_pull_ctl_enable_tbl;
    391	pcr->sd_pull_ctl_disable_tbl = rts5227_sd_pull_ctl_disable_tbl;
    392	pcr->ms_pull_ctl_enable_tbl = rts5227_ms_pull_ctl_enable_tbl;
    393	pcr->ms_pull_ctl_disable_tbl = rts5227_ms_pull_ctl_disable_tbl;
    394
    395	pcr->reg_pm_ctrl3 = PM_CTRL3;
    396}
    397
    398static int rts522a_optimize_phy(struct rtsx_pcr *pcr)
    399{
    400	int err;
    401
    402	err = rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3, D3_DELINK_MODE_EN,
    403		0x00);
    404	if (err < 0)
    405		return err;
    406
    407	if (is_version(pcr, 0x522A, IC_VER_A)) {
    408		err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
    409			PHY_RCR2_INIT_27S);
    410		if (err)
    411			return err;
    412
    413		rtsx_pci_write_phy_register(pcr, PHY_RCR1, PHY_RCR1_INIT_27S);
    414		rtsx_pci_write_phy_register(pcr, PHY_FLD0, PHY_FLD0_INIT_27S);
    415		rtsx_pci_write_phy_register(pcr, PHY_FLD3, PHY_FLD3_INIT_27S);
    416		rtsx_pci_write_phy_register(pcr, PHY_FLD4, PHY_FLD4_INIT_27S);
    417	}
    418
    419	return 0;
    420}
    421
    422static int rts522a_extra_init_hw(struct rtsx_pcr *pcr)
    423{
    424	rts5227_extra_init_hw(pcr);
    425
    426	/* Power down OCP for power consumption */
    427	if (!pcr->card_exist)
    428		rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN,
    429				OC_POWER_DOWN);
    430
    431	rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG,
    432		FUNC_FORCE_UPME_XMT_DBG);
    433	rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04);
    434	rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0);
    435	rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, 0xFF, 0x11);
    436
    437	return 0;
    438}
    439
    440static int rts522a_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
    441{
    442	int err;
    443
    444	if (voltage == OUTPUT_3V3) {
    445		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x57E4);
    446		if (err < 0)
    447			return err;
    448	} else if (voltage == OUTPUT_1V8) {
    449		err = rtsx_pci_write_phy_register(pcr, 0x11, 0x3C02);
    450		if (err < 0)
    451			return err;
    452		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x54A4);
    453		if (err < 0)
    454			return err;
    455	} else {
    456		return -EINVAL;
    457	}
    458
    459	/* set pad drive */
    460	rtsx_pci_init_cmd(pcr);
    461	rts5227_fill_driving(pcr, voltage);
    462	return rtsx_pci_send_cmd(pcr, 100);
    463}
    464
    465static void rts522a_force_power_down(struct rtsx_pcr *pcr, u8 pm_state, bool runtime)
    466{
    467	/* Set relink_time to 0 */
    468	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
    469	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
    470	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
    471				RELINK_TIME_MASK, 0);
    472
    473	rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3,
    474			D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
    475
    476	if (!runtime) {
    477		rtsx_pci_write_register(pcr, RTS522A_AUTOLOAD_CFG1,
    478				CD_RESUME_EN_MASK, 0);
    479		rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3, 0x01, 0x00);
    480		rtsx_pci_write_register(pcr, RTS522A_PME_FORCE_CTL, 0x30, 0x20);
    481	}
    482
    483	rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
    484}
    485
    486
    487static void rts522a_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
    488{
    489	struct rtsx_cr_option *option = &pcr->option;
    490	int aspm_L1_1, aspm_L1_2;
    491	u8 val = 0;
    492
    493	aspm_L1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN);
    494	aspm_L1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN);
    495
    496	if (active) {
    497		/* run, latency: 60us */
    498		if (aspm_L1_1)
    499			val = option->ltr_l1off_snooze_sspwrgate;
    500	} else {
    501		/* l1off, latency: 300us */
    502		if (aspm_L1_2)
    503			val = option->ltr_l1off_sspwrgate;
    504	}
    505
    506	rtsx_set_l1off_sub(pcr, val);
    507}
    508
    509/* rts522a operations mainly derived from rts5227, except phy/hw init setting.
    510 */
    511static const struct pcr_ops rts522a_pcr_ops = {
    512	.fetch_vendor_settings = rts5227_fetch_vendor_settings,
    513	.extra_init_hw = rts522a_extra_init_hw,
    514	.optimize_phy = rts522a_optimize_phy,
    515	.turn_on_led = rts5227_turn_on_led,
    516	.turn_off_led = rts5227_turn_off_led,
    517	.enable_auto_blink = rts5227_enable_auto_blink,
    518	.disable_auto_blink = rts5227_disable_auto_blink,
    519	.card_power_on = rts5227_card_power_on,
    520	.card_power_off = rts5227_card_power_off,
    521	.switch_output_voltage = rts522a_switch_output_voltage,
    522	.force_power_down = rts522a_force_power_down,
    523	.cd_deglitch = NULL,
    524	.conv_clk_and_div_n = NULL,
    525	.set_l1off_cfg_sub_d0 = rts522a_set_l1off_cfg_sub_d0,
    526};
    527
    528void rts522a_init_params(struct rtsx_pcr *pcr)
    529{
    530	struct rtsx_cr_option *option = &pcr->option;
    531
    532	rts5227_init_params(pcr);
    533	pcr->ops = &rts522a_pcr_ops;
    534	pcr->aspm_mode = ASPM_MODE_REG;
    535	pcr->tx_initial_phase = SET_CLOCK_PHASE(20, 20, 11);
    536	pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
    537
    538	option->dev_flags = LTR_L1SS_PWR_GATE_EN;
    539	option->ltr_en = true;
    540
    541	/* init latency of active, idle, L1OFF to 60us, 300us, 3ms */
    542	option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
    543	option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
    544	option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
    545	option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
    546	option->ltr_l1off_sspwrgate = 0x7F;
    547	option->ltr_l1off_snooze_sspwrgate = 0x78;
    548
    549	pcr->option.ocp_en = 1;
    550	if (pcr->option.ocp_en)
    551		pcr->hw_param.interrupt_en |= SD_OC_INT_EN;
    552	pcr->hw_param.ocp_glitch = SD_OCP_GLITCH_10M;
    553	pcr->option.sd_800mA_ocp_thd = RTS522A_OCP_THD_800;
    554
    555}