[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, 0x18},
		{0x55, 0x55, 0x5C},
		{0xFF, 0xFF, 0xFF},
		{0x96, 0x96, 0x96},
	};
	u8 driving_1v8[4][3] = {
		{0xC4, 0xC4, 0xC4},
		{0x3C, 0x3C, 0x3C},
		{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 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);

	return rtsx_pci_send_cmd(pcr, 100);
}

static int rts5249_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;

	err = rtsx_pci_write_phy_register(pcr, PHY_REV,
			PHY_REV_RESV | PHY_REV_RXIDLE_LATCHED |
			PHY_REV_P1_EN | PHY_REV_RXIDLE_EN |
			PHY_REV_CLKREQ_TX_EN | PHY_REV_RX_PWST |
			PHY_REV_CLKREQ_DT_1_0 | PHY_REV_STOP_CLKRD |
			PHY_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 | PHY_PCR_RX10K);
	if (err < 0)
		return err;

	err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
			PHY_RCR2_EMPHASE_EN | PHY_RCR2_NADJR |
			PHY_RCR2_CDR_SR_2 | PHY_RCR2_FREQSEL_12 |
			PHY_RCR2_CDR_SC_12P | 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 | PHY_SSC_AUTO_PWD);
	if (err < 0)
		return err;
	err = rtsx_pci_write_phy_register(pcr, PHY_RCR1,
			PHY_RCR1_ADP_TIME_4 | 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 | PHY_TUNE_TUNEA12);
}

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_B;
	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] = {
e89f2318	39	{0x11, 0x11, 0x18},
773ccdfd	40	{0x55, 0x55, 0x5C},
e89f2318 MC	41	{0xFF, 0xFF, 0xFF},
e89f2318 MC	42	{0x96, 0x96, 0x96},
773ccdfd WW	43	};
773ccdfd WW	44	u8 driving_1v8[4][3] = {
e89f2318	45	{0xC4, 0xC4, 0xC4},
773ccdfd	46	{0x3C, 0x3C, 0x3C},
773ccdfd	47	{0xFE, 0xFE, 0xFE},
e89f2318	48	{0xB3, 0xB3, 0xB3},
773ccdfd WW	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);
4c4b8c10 WW	122
	123	return rtsx_pci_send_cmd(pcr, 100);
	124	}
	125
	126	static int rts5249_optimize_phy(struct rtsx_pcr *pcr)
	127	{
	128	int err;
	129
19f3bd54	130	err = rtsx_pci_write_register(pcr, PM_CTRL3, D3_DELINK_MODE_EN, 0x00);
5cb5d961 MC	131	if (err < 0)
	132	return err;
	133
b0385381 MC	134	err = rtsx_pci_write_phy_register(pcr, PHY_REV,
	135	PHY_REV_RESV \| PHY_REV_RXIDLE_LATCHED \|
	136	PHY_REV_P1_EN \| PHY_REV_RXIDLE_EN \|
	137	PHY_REV_CLKREQ_TX_EN \| PHY_REV_RX_PWST \|
	138	PHY_REV_CLKREQ_DT_1_0 \| PHY_REV_STOP_CLKRD \|
	139	PHY_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;
b0385381	150
26b81851 WW	151	err = rtsx_pci_write_phy_register(pcr, PHY_PCR,
	152	PHY_PCR_FORCE_CODE \| PHY_PCR_OOBS_CALI_50 \|
	153	PHY_PCR_OOBS_VCM_08 \| PHY_PCR_OOBS_SEN_90 \|
b0385381	154	PHY_PCR_RSSI_EN \| PHY_PCR_RX10K);
26b81851 WW	155	if (err < 0)
26b81851 WW	156	return err;
b0385381	157
26b81851 WW	158	err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
26b81851 WW	159	PHY_RCR2_EMPHASE_EN \| PHY_RCR2_NADJR \|
b0385381 MC	160	PHY_RCR2_CDR_SR_2 \| PHY_RCR2_FREQSEL_12 \|
b0385381 MC	161	PHY_RCR2_CDR_SC_12P \| PHY_RCR2_CALIB_LATE);
26b81851 WW	162	if (err < 0)
26b81851 WW	163	return err;
b0385381	164
26b81851 WW	165	err = rtsx_pci_write_phy_register(pcr, PHY_FLD4,
	166	PHY_FLD4_FLDEN_SEL \| PHY_FLD4_REQ_REF \|
	167	PHY_FLD4_RXAMP_OFF \| PHY_FLD4_REQ_ADDA \|
	168	PHY_FLD4_BER_COUNT \| PHY_FLD4_BER_TIMER \|
	169	PHY_FLD4_BER_CHK_EN);
	170	if (err < 0)
	171	return err;
b0385381 MC	172	err = rtsx_pci_write_phy_register(pcr, PHY_RDR,
b0385381 MC	173	PHY_RDR_RXDSEL_1_9 \| PHY_SSC_AUTO_PWD);
26b81851 WW	174	if (err < 0)
	175	return err;
	176	err = rtsx_pci_write_phy_register(pcr, PHY_RCR1,
b0385381	177	PHY_RCR1_ADP_TIME_4 \| PHY_RCR1_VCO_COARSE);
26b81851 WW	178	if (err < 0)
	179	return err;
	180	err = rtsx_pci_write_phy_register(pcr, PHY_FLD3,
	181	PHY_FLD3_TIMER_4 \| PHY_FLD3_TIMER_6 \|
	182	PHY_FLD3_RXDELINK);
	183	if (err < 0)
	184	return err;
b0385381	185
26b81851 WW	186	return rtsx_pci_write_phy_register(pcr, PHY_TUNE,
	187	PHY_TUNE_TUNEREF_1_0 \| PHY_TUNE_VBGSEL_1252 \|
	188	PHY_TUNE_SDBUS_33 \| PHY_TUNE_TUNED18 \|
b0385381	189	PHY_TUNE_TUNED12 \| PHY_TUNE_TUNEA12);
4c4b8c10 WW	190	}
	191
	192	static int rts5249_turn_on_led(struct rtsx_pcr *pcr)
	193	{
	194	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02);
	195	}
	196
	197	static int rts5249_turn_off_led(struct rtsx_pcr *pcr)
	198	{
	199	return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00);
	200	}
	201
	202	static int rts5249_enable_auto_blink(struct rtsx_pcr *pcr)
	203	{
	204	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08);
	205	}
	206
	207	static int rts5249_disable_auto_blink(struct rtsx_pcr *pcr)
	208	{
	209	return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00);
	210	}
	211
	212	static int rts5249_card_power_on(struct rtsx_pcr *pcr, int card)
	213	{
	214	int err;
	215
	216	rtsx_pci_init_cmd(pcr);
	217	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
	218	SD_POWER_MASK, SD_VCC_PARTIAL_POWER_ON);
	219	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
	220	LDO3318_PWR_MASK, 0x02);
	221	err = rtsx_pci_send_cmd(pcr, 100);
	222	if (err < 0)
	223	return err;
	224
	225	msleep(5);
	226
	227	rtsx_pci_init_cmd(pcr);
	228	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
	229	SD_POWER_MASK, SD_VCC_POWER_ON);
	230	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
	231	LDO3318_PWR_MASK, 0x06);
	232	err = rtsx_pci_send_cmd(pcr, 100);
	233	if (err < 0)
	234	return err;
	235
	236	return 0;
	237	}
	238
	239	static int rts5249_card_power_off(struct rtsx_pcr *pcr, int card)
	240	{
	241	rtsx_pci_init_cmd(pcr);
	242	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
	243	SD_POWER_MASK, SD_POWER_OFF);
	244	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
	245	LDO3318_PWR_MASK, 0x00);
	246	return rtsx_pci_send_cmd(pcr, 100);
	247	}
	248
	249	static int rts5249_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
	250	{
	251	int err;
4c4b8c10 WW	252
	253	if (voltage == OUTPUT_3V3) {
	254	err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4FC0 \| 0x24);
	255	if (err < 0)
	256	return err;
4c4b8c10 WW	257	} else if (voltage == OUTPUT_1V8) {
	258	err = rtsx_pci_write_phy_register(pcr, PHY_BACR, 0x3C02);
	259	if (err < 0)
	260	return err;
	261	err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4C40 \| 0x24);
	262	if (err < 0)
	263	return err;
4c4b8c10 WW	264	} else {
	265	return -EINVAL;
	266	}
	267
	268	/* set pad drive */
	269	rtsx_pci_init_cmd(pcr);
773ccdfd	270	rts5249_fill_driving(pcr, voltage);
4c4b8c10 WW	271	return rtsx_pci_send_cmd(pcr, 100);
	272	}
	273
	274	static const struct pcr_ops rts5249_pcr_ops = {
773ccdfd	275	.fetch_vendor_settings = rts5249_fetch_vendor_settings,
4c4b8c10 WW	276	.extra_init_hw = rts5249_extra_init_hw,
	277	.optimize_phy = rts5249_optimize_phy,
	278	.turn_on_led = rts5249_turn_on_led,
	279	.turn_off_led = rts5249_turn_off_led,
	280	.enable_auto_blink = rts5249_enable_auto_blink,
	281	.disable_auto_blink = rts5249_disable_auto_blink,
	282	.card_power_on = rts5249_card_power_on,
	283	.card_power_off = rts5249_card_power_off,
	284	.switch_output_voltage = rts5249_switch_output_voltage,
5947c167	285	.force_power_down = rts5249_force_power_down,
4c4b8c10 WW	286	};
	287
	288	/* SD Pull Control Enable:
	289	* SD_DAT[3:0] ==> pull up
	290	* SD_CD ==> pull up
	291	* SD_WP ==> pull up
	292	* SD_CMD ==> pull up
	293	* SD_CLK ==> pull down
	294	*/
	295	static const u32 rts5249_sd_pull_ctl_enable_tbl[] = {
	296	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66),
	297	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
	298	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
	299	RTSX_REG_PAIR(CARD_PULL_CTL4, 0xAA),
	300	0,
	301	};
	302
	303	/* SD Pull Control Disable:
	304	* SD_DAT[3:0] ==> pull down
	305	* SD_CD ==> pull up
	306	* SD_WP ==> pull down
	307	* SD_CMD ==> pull down
	308	* SD_CLK ==> pull down
	309	*/
	310	static const u32 rts5249_sd_pull_ctl_disable_tbl[] = {
	311	RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66),
	312	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
	313	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
	314	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
	315	0,
	316	};
	317
	318	/* MS Pull Control Enable:
	319	* MS CD ==> pull up
	320	* others ==> pull down
	321	*/
	322	static const u32 rts5249_ms_pull_ctl_enable_tbl[] = {
	323	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
	324	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
	325	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
	326	0,
	327	};
	328
	329	/* MS Pull Control Disable:
	330	* MS CD ==> pull up
	331	* others ==> pull down
	332	*/
	333	static const u32 rts5249_ms_pull_ctl_disable_tbl[] = {
	334	RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
	335	RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
	336	RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
	337	0,
	338	};
	339
	340	void rts5249_init_params(struct rtsx_pcr *pcr)
	341	{
	342	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 \| EXTRA_CAPS_SD_SDR104;
	343	pcr->num_slots = 2;
	344	pcr->ops = &rts5249_pcr_ops;
	345
773ccdfd WW	346	pcr->flags = 0;
773ccdfd WW	347	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
e89f2318	348	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
773ccdfd WW	349	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
773ccdfd WW	350	pcr->aspm_en = ASPM_L1_EN;
84d72f9c WW	351	pcr->tx_initial_phase = SET_CLOCK_PHASE(1, 29, 16);
84d72f9c WW	352	pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5);
773ccdfd	353
4c4b8c10 WW	354	pcr->ic_version = rts5249_get_ic_version(pcr);
	355	pcr->sd_pull_ctl_enable_tbl = rts5249_sd_pull_ctl_enable_tbl;
	356	pcr->sd_pull_ctl_disable_tbl = rts5249_sd_pull_ctl_disable_tbl;
	357	pcr->ms_pull_ctl_enable_tbl = rts5249_ms_pull_ctl_enable_tbl;
	358	pcr->ms_pull_ctl_disable_tbl = rts5249_ms_pull_ctl_disable_tbl;
	359	}