[deliverable/linux.git] / drivers / mfd / rts5249.c

/* 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/mfd/rtsx_pci.h>

#include "rtsx_pcr.h"

static u8 rts5249_get_ic_version(struct rtsx_pcr *pcr)
{
	u8 val;

	rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
	return val & 0x0F;
}

static void rts5249_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
{
	u8 driving_3v3[4][3] = {
		{0x11, 0x11, 0x11},
		{0x55, 0x55, 0x5C},
		{0x99, 0x99, 0x92},
		{0x99, 0x99, 0x92},
	};
	u8 driving_1v8[4][3] = {
		{0x3C, 0x3C, 0x3C},
		{0xB3, 0xB3, 0xB3},
		{0xFE, 0xFE, 0xFE},
		{0xC4, 0xC4, 0xC4},
	};
	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 rts5249_fetch_vendor_settings(struct rtsx_pcr *pcr)
{
	u32 reg;

	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
	dev_dbg(&(pcr->pci->dev), "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, &reg);
	dev_dbg(&(pcr->pci->dev), "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 rts5249_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, PM_CTRL3, 0x10, 0x10);

	rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
}

static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
{
	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 driving */
	rts5249_fill_driving(pcr, OUTPUT_3V3);
	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, PM_CTRL3, 0x10, 0x00);

	return rtsx_pci_send_cmd(pcr, 100);
}

static int rts5249_optimize_phy(struct rtsx_pcr *pcr)
{
	int err;

	err = rtsx_gops_pm_reset(pcr);
	if (err < 0)
		return err;

	err = rtsx_pci_write_phy_register(pcr, PHY_REG_REV,
			PHY_REG_REV_RESV | PHY_REG_REV_RXIDLE_LATCHED |
			PHY_REG_REV_P1_EN | PHY_REG_REV_RXIDLE_EN |
			PHY_REG_REV_RX_PWST | PHY_REG_REV_CLKREQ_DLY_TIMER_1_0 |
			PHY_REG_REV_STOP_CLKRD | PHY_REG_REV_STOP_CLKWR);
	if (err < 0)
		return err;

	msleep(1);

	err = rtsx_pci_write_phy_register(pcr, PHY_BPCR,
			PHY_BPCR_IBRXSEL | PHY_BPCR_IBTXSEL |
			PHY_BPCR_IB_FILTER | PHY_BPCR_CMIRROR_EN);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_PCR,
			PHY_PCR_FORCE_CODE | PHY_PCR_OOBS_CALI_50 |
			PHY_PCR_OOBS_VCM_08 | PHY_PCR_OOBS_SEN_90 |
			PHY_PCR_RSSI_EN);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
			PHY_RCR2_EMPHASE_EN | PHY_RCR2_NADJR |
			PHY_RCR2_CDR_CP_10 | PHY_RCR2_CDR_SR_2 |
			PHY_RCR2_FREQSEL_12 | PHY_RCR2_CPADJEN |
			PHY_RCR2_CDR_SC_8 | PHY_RCR2_CALIB_LATE);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_FLD4,
			PHY_FLD4_FLDEN_SEL | PHY_FLD4_REQ_REF |
			PHY_FLD4_RXAMP_OFF | PHY_FLD4_REQ_ADDA |
			PHY_FLD4_BER_COUNT | PHY_FLD4_BER_TIMER |
			PHY_FLD4_BER_CHK_EN);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_RDR, PHY_RDR_RXDSEL_1_9);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_RCR1,
			PHY_RCR1_ADP_TIME | PHY_RCR1_VCO_COARSE);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_FLD3,
			PHY_FLD3_TIMER_4 | PHY_FLD3_TIMER_6 |
			PHY_FLD3_RXDELINK);
	if (err < 0)
		return err;
	return rtsx_pci_write_phy_register(pcr, PHY_TUNE,
			PHY_TUNE_TUNEREF_1_0 | PHY_TUNE_VBGSEL_1252 |
			PHY_TUNE_SDBUS_33 | PHY_TUNE_TUNED18 |
			PHY_TUNE_TUNED12);
}

static int rts5249_turn_on_led(struct rtsx_pcr *pcr)
{
	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02);
}

static int rts5249_turn_off_led(struct rtsx_pcr *pcr)
{
	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00);
}

static int rts5249_enable_auto_blink(struct rtsx_pcr *pcr)
{
	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08);
}

static int rts5249_disable_auto_blink(struct rtsx_pcr *pcr)
{
	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00);
}

static int rts5249_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_VCC_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;

	msleep(5);

	rtsx_pci_init_cmd(pcr);
	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
			SD_POWER_MASK, SD_VCC_POWER_ON);
	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
			LDO3318_PWR_MASK, 0x06);
	err = rtsx_pci_send_cmd(pcr, 100);
	if (err < 0)
		return err;

	return 0;
}

static int rts5249_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, SD_POWER_OFF);
	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
			LDO3318_PWR_MASK, 0x00);
	return rtsx_pci_send_cmd(pcr, 100);
}

static int rts5249_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
{
	int err;

	if (voltage == OUTPUT_3V3) {
		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4FC0 | 0x24);
		if (err < 0)
			return err;
	} else if (voltage == OUTPUT_1V8) {
		err = rtsx_pci_write_phy_register(pcr, PHY_BACR, 0x3C02);
		if (err < 0)
			return err;
		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4C40 | 0x24);
		if (err < 0)
			return err;
	} else {
		return -EINVAL;
	}

	/* set pad drive */
	rtsx_pci_init_cmd(pcr);
	rts5249_fill_driving(pcr, voltage);
	return rtsx_pci_send_cmd(pcr, 100);
}

static const struct pcr_ops rts5249_pcr_ops = {
	.fetch_vendor_settings = rts5249_fetch_vendor_settings,
	.extra_init_hw = rts5249_extra_init_hw,
	.optimize_phy = rts5249_optimize_phy,
	.turn_on_led = rts5249_turn_on_led,
	.turn_off_led = rts5249_turn_off_led,
	.enable_auto_blink = rts5249_enable_auto_blink,
	.disable_auto_blink = rts5249_disable_auto_blink,
	.card_power_on = rts5249_card_power_on,
	.card_power_off = rts5249_card_power_off,
	.switch_output_voltage = rts5249_switch_output_voltage,
	.force_power_down = rts5249_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 rts5249_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 rts5249_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 rts5249_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 rts5249_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 rts5249_init_params(struct rtsx_pcr *pcr)
{
	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
	pcr->num_slots = 2;
	pcr->ops = &rts5249_pcr_ops;

	pcr->flags = 0;
	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_C;
	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 = rts5249_get_ic_version(pcr);
	pcr->sd_pull_ctl_enable_tbl = rts5249_sd_pull_ctl_enable_tbl;
	pcr->sd_pull_ctl_disable_tbl = rts5249_sd_pull_ctl_disable_tbl;
	pcr->ms_pull_ctl_enable_tbl = rts5249_ms_pull_ctl_enable_tbl;
	pcr->ms_pull_ctl_disable_tbl = rts5249_ms_pull_ctl_disable_tbl;
}
Commit	Line	Data
4c4b8c10 WW	1	/* Driver for Realtek PCI-Express card reader
	2	*
	3	* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License as published by the
	7	* Free Software Foundation; either version 2, or (at your option) any
	8	* later version.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, see <http://www.gnu.org/licenses/>.
	17	*
	18	* Author:
	19	* Wei WANG <wei_wang@realsil.com.cn>
4c4b8c10 WW	20	*/
	21
	22	#include <linux/module.h>
	23	#include <linux/delay.h>
	24	#include <linux/mfd/rtsx_pci.h>
	25
	26	#include "rtsx_pcr.h"
	27
	28	static u8 rts5249_get_ic_version(struct rtsx_pcr *pcr)
	29	{
	30	u8 val;
	31
	32	rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
	33	return val & 0x0F;
	34	}
	35
773ccdfd WW	36	static void rts5249_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
	37	{
	38	u8 driving_3v3[4][3] = {
	39	{0x11, 0x11, 0x11},
	40	{0x55, 0x55, 0x5C},
	41	{0x99, 0x99, 0x92},
	42	{0x99, 0x99, 0x92},
	43	};
	44	u8 driving_1v8[4][3] = {
	45	{0x3C, 0x3C, 0x3C},
	46	{0xB3, 0xB3, 0xB3},
	47	{0xFE, 0xFE, 0xFE},
	48	{0xC4, 0xC4, 0xC4},
	49	};
	50	u8 (*driving)[3], drive_sel;
	51
	52	if (voltage == OUTPUT_3V3) {
	53	driving = driving_3v3;
	54	drive_sel = pcr->sd30_drive_sel_3v3;
	55	} else {
	56	driving = driving_1v8;
	57	drive_sel = pcr->sd30_drive_sel_1v8;
	58	}
	59
	60	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
	61	0xFF, driving[drive_sel][0]);
	62	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
	63	0xFF, driving[drive_sel][1]);
	64	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
	65	0xFF, driving[drive_sel][2]);
	66	}
	67
	68	static void rts5249_fetch_vendor_settings(struct rtsx_pcr *pcr)
	69	{
	70	u32 reg;
	71
	72	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
	73	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
	74
	75	if (!rtsx_vendor_setting_valid(reg))
	76	return;
	77
	78	pcr->aspm_en = rtsx_reg_to_aspm(reg);
	79	pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg);
	80	pcr->card_drive_sel &= 0x3F;
	81	pcr->card_drive_sel \|= rtsx_reg_to_card_drive_sel(reg);
	82
	83	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
	84	dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
	85	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
	86	if (rtsx_reg_check_reverse_socket(reg))
	87	pcr->flags \|= PCR_REVERSE_SOCKET;
	88	}
	89
eb891c65	90	static void rts5249_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
5947c167 WW	91	{
	92	/* Set relink_time to 0 */
	93	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0);
	94	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0);
	95	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
	96
eb891c65 WW	97	if (pm_state == HOST_ENTER_S3)
	98	rtsx_pci_write_register(pcr, PM_CTRL3, 0x10, 0x10);
	99
5947c167 WW	100	rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
	101	}
	102
4c4b8c10 WW	103	static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
	104	{
	105	rtsx_pci_init_cmd(pcr);
	106
	107	/* Configure GPIO as output */
	108	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
7140812c WW	109	/* Reset ASPM state to default value */
7140812c WW	110	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0);
4c4b8c10 WW	111	/* Switch LDO3318 source from DV33 to card_3v3 */
	112	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
	113	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
	114	/* LED shine disabled, set initial shine cycle period */
	115	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
773ccdfd WW	116	/* Configure driving */
	117	rts5249_fill_driving(pcr, OUTPUT_3V3);
	118	if (pcr->flags & PCR_REVERSE_SOCKET)
9e33ce79	119	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0xB0);
773ccdfd	120	else
9e33ce79	121	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0x80);
eb891c65	122	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);
4c4b8c10 WW	123
	124	return rtsx_pci_send_cmd(pcr, 100);
	125	}
	126
	127	static int rts5249_optimize_phy(struct rtsx_pcr *pcr)
	128	{
	129	int err;
	130
5cb5d961 MC	131	err = rtsx_gops_pm_reset(pcr);
	132	if (err < 0)
	133	return err;
	134
26b81851 WW	135	err = rtsx_pci_write_phy_register(pcr, PHY_REG_REV,
	136	PHY_REG_REV_RESV \| PHY_REG_REV_RXIDLE_LATCHED \|
	137	PHY_REG_REV_P1_EN \| PHY_REG_REV_RXIDLE_EN \|
	138	PHY_REG_REV_RX_PWST \| PHY_REG_REV_CLKREQ_DLY_TIMER_1_0 \|
	139	PHY_REG_REV_STOP_CLKRD \| PHY_REG_REV_STOP_CLKWR);
4c4b8c10 WW	140	if (err < 0)
	141	return err;
	142
	143	msleep(1);
	144
26b81851 WW	145	err = rtsx_pci_write_phy_register(pcr, PHY_BPCR,
	146	PHY_BPCR_IBRXSEL \| PHY_BPCR_IBTXSEL \|
	147	PHY_BPCR_IB_FILTER \| PHY_BPCR_CMIRROR_EN);
	148	if (err < 0)
	149	return err;
	150	err = rtsx_pci_write_phy_register(pcr, PHY_PCR,
	151	PHY_PCR_FORCE_CODE \| PHY_PCR_OOBS_CALI_50 \|
	152	PHY_PCR_OOBS_VCM_08 \| PHY_PCR_OOBS_SEN_90 \|
	153	PHY_PCR_RSSI_EN);
	154	if (err < 0)
	155	return err;
	156	err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
	157	PHY_RCR2_EMPHASE_EN \| PHY_RCR2_NADJR \|
	158	PHY_RCR2_CDR_CP_10 \| PHY_RCR2_CDR_SR_2 \|
	159	PHY_RCR2_FREQSEL_12 \| PHY_RCR2_CPADJEN \|
	160	PHY_RCR2_CDR_SC_8 \| PHY_RCR2_CALIB_LATE);
	161	if (err < 0)
	162	return err;
	163	err = rtsx_pci_write_phy_register(pcr, PHY_FLD4,
	164	PHY_FLD4_FLDEN_SEL \| PHY_FLD4_REQ_REF \|
	165	PHY_FLD4_RXAMP_OFF \| PHY_FLD4_REQ_ADDA \|
	166	PHY_FLD4_BER_COUNT \| PHY_FLD4_BER_TIMER \|
	167	PHY_FLD4_BER_CHK_EN);
	168	if (err < 0)
	169	return err;
	170	err = rtsx_pci_write_phy_register(pcr, PHY_RDR, PHY_RDR_RXDSEL_1_9);
	171	if (err < 0)
	172	return err;
	173	err = rtsx_pci_write_phy_register(pcr, PHY_RCR1,
	174	PHY_RCR1_ADP_TIME \| PHY_RCR1_VCO_COARSE);
	175	if (err < 0)
	176	return err;
	177	err = rtsx_pci_write_phy_register(pcr, PHY_FLD3,
	178	PHY_FLD3_TIMER_4 \| PHY_FLD3_TIMER_6 \|
	179	PHY_FLD3_RXDELINK);
	180	if (err < 0)
	181	return err;
	182	return rtsx_pci_write_phy_register(pcr, PHY_TUNE,
	183	PHY_TUNE_TUNEREF_1_0 \| PHY_TUNE_VBGSEL_1252 \|
	184	PHY_TUNE_SDBUS_33 \| PHY_TUNE_TUNED18 \|
	185	PHY_TUNE_TUNED12);
4c4b8c10 WW	186	}
	187
	188	static int rts5249_turn_on_led(struct rtsx_pcr *pcr)
	189	{
	190	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02);
	191	}
	192
	193	static int rts5249_turn_off_led(struct rtsx_pcr *pcr)
	194	{
	195	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00);
	196	}
	197
	198	static int rts5249_enable_auto_blink(struct rtsx_pcr *pcr)
	199	{
	200	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08);
	201	}
	202
	203	static int rts5249_disable_auto_blink(struct rtsx_pcr *pcr)
	204	{
	205	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00);
	206	}
	207
	208	static int rts5249_card_power_on(struct rtsx_pcr *pcr, int card)
	209	{
	210	int err;
	211
	212	rtsx_pci_init_cmd(pcr);
	213	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
	214	SD_POWER_MASK, SD_VCC_PARTIAL_POWER_ON);
	215	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
	216	LDO3318_PWR_MASK, 0x02);
	217	err = rtsx_pci_send_cmd(pcr, 100);
	218	if (err < 0)
	219	return err;
	220
	221	msleep(5);
	222
	223	rtsx_pci_init_cmd(pcr);
	224	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
	225	SD_POWER_MASK, SD_VCC_POWER_ON);
	226	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
	227	LDO3318_PWR_MASK, 0x06);
	228	err = rtsx_pci_send_cmd(pcr, 100);
	229	if (err < 0)
	230	return err;
	231
	232	return 0;
	233	}
	234
	235	static int rts5249_card_power_off(struct rtsx_pcr *pcr, int card)
	236	{
	237	rtsx_pci_init_cmd(pcr);
	238	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
	239	SD_POWER_MASK, SD_POWER_OFF);
	240	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
	241	LDO3318_PWR_MASK, 0x00);
	242	return rtsx_pci_send_cmd(pcr, 100);
	243	}
	244
	245	static int rts5249_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
	246	{
	247	int err;
4c4b8c10 WW	248
	249	if (voltage == OUTPUT_3V3) {
	250	err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4FC0 \| 0x24);
	251	if (err < 0)
	252	return err;
4c4b8c10 WW	253	} else if (voltage == OUTPUT_1V8) {
	254	err = rtsx_pci_write_phy_register(pcr, PHY_BACR, 0x3C02);
	255	if (err < 0)
	256	return err;
	257	err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4C40 \| 0x24);
	258	if (err < 0)
	259	return err;
4c4b8c10 WW	260	} else {
	261	return -EINVAL;
	262	}
	263
	264	/* set pad drive */
	265	rtsx_pci_init_cmd(pcr);
773ccdfd	266	rts5249_fill_driving(pcr, voltage);
4c4b8c10 WW	267	return rtsx_pci_send_cmd(pcr, 100);
	268	}
	269
	270	static const struct pcr_ops rts5249_pcr_ops = {
773ccdfd	271	.fetch_vendor_settings = rts5249_fetch_vendor_settings,
4c4b8c10 WW	272	.extra_init_hw = rts5249_extra_init_hw,
	273	.optimize_phy = rts5249_optimize_phy,
	274	.turn_on_led = rts5249_turn_on_led,
	275	.turn_off_led = rts5249_turn_off_led,
	276	.enable_auto_blink = rts5249_enable_auto_blink,
	277	.disable_auto_blink = rts5249_disable_auto_blink,
	278	.card_power_on = rts5249_card_power_on,
	279	.card_power_off = rts5249_card_power_off,
	280	.switch_output_voltage = rts5249_switch_output_voltage,
5947c167	281	.force_power_down = rts5249_force_power_down,
4c4b8c10 WW	282	};
	283
	284	/* SD Pull Control Enable:
	285	* SD_DAT[3:0] ==> pull up
	286	* SD_CD ==> pull up
	287	* SD_WP ==> pull up
	288	* SD_CMD ==> pull up
	289	* SD_CLK ==> pull down
	290	*/
	291	static const u32 rts5249_sd_pull_ctl_enable_tbl[] = {
	292	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66),
	293	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
	294	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
	295	RTSX_REG_PAIR(CARD_PULL_CTL4, 0xAA),
	296	0,
	297	};
	298
	299	/* SD Pull Control Disable:
	300	* SD_DAT[3:0] ==> pull down
	301	* SD_CD ==> pull up
	302	* SD_WP ==> pull down
	303	* SD_CMD ==> pull down
	304	* SD_CLK ==> pull down
	305	*/
	306	static const u32 rts5249_sd_pull_ctl_disable_tbl[] = {
	307	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66),
	308	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
	309	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
	310	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
	311	0,
	312	};
	313
	314	/* MS Pull Control Enable:
	315	* MS CD ==> pull up
	316	* others ==> pull down
	317	*/
	318	static const u32 rts5249_ms_pull_ctl_enable_tbl[] = {
	319	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
	320	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
	321	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
	322	0,
	323	};
	324
	325	/* MS Pull Control Disable:
	326	* MS CD ==> pull up
	327	* others ==> pull down
	328	*/
	329	static const u32 rts5249_ms_pull_ctl_disable_tbl[] = {
	330	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
	331	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
	332	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
	333	0,
	334	};
	335
	336	void rts5249_init_params(struct rtsx_pcr *pcr)
	337	{
	338	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 \| EXTRA_CAPS_SD_SDR104;
	339	pcr->num_slots = 2;
	340	pcr->ops = &rts5249_pcr_ops;
	341
773ccdfd WW	342	pcr->flags = 0;
	343	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
	344	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_C;
	345	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
	346	pcr->aspm_en = ASPM_L1_EN;
84d72f9c WW	347	pcr->tx_initial_phase = SET_CLOCK_PHASE(1, 29, 16);
84d72f9c WW	348	pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5);
773ccdfd	349
4c4b8c10 WW	350	pcr->ic_version = rts5249_get_ic_version(pcr);
	351	pcr->sd_pull_ctl_enable_tbl = rts5249_sd_pull_ctl_enable_tbl;
	352	pcr->sd_pull_ctl_disable_tbl = rts5249_sd_pull_ctl_disable_tbl;
	353	pcr->ms_pull_ctl_enable_tbl = rts5249_ms_pull_ctl_enable_tbl;
	354	pcr->ms_pull_ctl_disable_tbl = rts5249_ms_pull_ctl_disable_tbl;
	355	}