[mirror_ubuntu-bionic-kernel.git] / drivers / mfd / rtsx_pcr.h

/* 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>
 */

#ifndef __RTSX_PCR_H
#define __RTSX_PCR_H

#include <linux/mfd/rtsx_pci.h>

#define MIN_DIV_N_PCR		80
#define MAX_DIV_N_PCR		208

#define RTS522A_PM_CTRL3		0xFF7E

#define RTS524A_PME_FORCE_CTL		0xFF78
#define RTS524A_PM_CTRL3		0xFF7E

#define LTR_ACTIVE_LATENCY_DEF		0x883C
#define LTR_IDLE_LATENCY_DEF		0x892C
#define LTR_L1OFF_LATENCY_DEF		0x9003
#define L1_SNOOZE_DELAY_DEF		1
#define LTR_L1OFF_SSPWRGATE_5249_DEF		0xAF
#define LTR_L1OFF_SSPWRGATE_5250_DEF		0xFF
#define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF	0xAC
#define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF	0xF8
#define CMD_TIMEOUT_DEF		100
#define ASPM_MASK_NEG		0xFC
#define MASK_8_BIT_DEF		0xFF

int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
int __rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);

void rts5209_init_params(struct rtsx_pcr *pcr);
void rts5229_init_params(struct rtsx_pcr *pcr);
void rtl8411_init_params(struct rtsx_pcr *pcr);
void rtl8402_init_params(struct rtsx_pcr *pcr);
void rts5227_init_params(struct rtsx_pcr *pcr);
void rts522a_init_params(struct rtsx_pcr *pcr);
void rts5249_init_params(struct rtsx_pcr *pcr);
void rts524a_init_params(struct rtsx_pcr *pcr);
void rts525a_init_params(struct rtsx_pcr *pcr);
void rtl8411b_init_params(struct rtsx_pcr *pcr);

static inline u8 map_sd_drive(int idx)
{
	u8 sd_drive[4] = {
		0x01,	/* Type D */
		0x02,	/* Type C */
		0x05,	/* Type A */
		0x03	/* Type B */
	};

	return sd_drive[idx];
}

#define rtsx_vendor_setting_valid(reg)		(!((reg) & 0x1000000))
#define rts5209_vendor_setting1_valid(reg)	(!((reg) & 0x80))
#define rts5209_vendor_setting2_valid(reg)	((reg) & 0x80)

#define rtsx_reg_to_aspm(reg)			(((reg) >> 28) & 0x03)
#define rtsx_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 26) & 0x03)
#define rtsx_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 5) & 0x03)
#define rtsx_reg_to_card_drive_sel(reg)		((((reg) >> 25) & 0x01) << 6)
#define rtsx_reg_check_reverse_socket(reg)	((reg) & 0x4000)
#define rts5209_reg_to_aspm(reg)		(((reg) >> 5) & 0x03)
#define rts5209_reg_check_ms_pmos(reg)		(!((reg) & 0x08))
#define rts5209_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 3) & 0x07)
#define rts5209_reg_to_sd30_drive_sel_3v3(reg)	((reg) & 0x07)
#define rts5209_reg_to_card_drive_sel(reg)	((reg) >> 8)
#define rtl8411_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 5) & 0x07)
#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg)	((reg) & 0x03)

#define set_pull_ctrl_tables(pcr, __device)				\
do {									\
	pcr->sd_pull_ctl_enable_tbl  = __device##_sd_pull_ctl_enable_tbl;  \
	pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
	pcr->ms_pull_ctl_enable_tbl  = __device##_ms_pull_ctl_enable_tbl;  \
	pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
} while (0)

/* generic operations */
int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);

#endif
Commit	Line	Data
67d16a46 WW	1	/* Driver for Realtek PCI-Express card reader
67d16a46 WW	2	*
09fd8678	3	* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
67d16a46 WW	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>
67d16a46 WW	20	*/
	21
	22	#ifndef __RTSX_PCR_H
	23	#define __RTSX_PCR_H
	24
	25	#include <linux/mfd/rtsx_pci.h>
	26
eebbe254 WW	27	#define MIN_DIV_N_PCR 80
	28	#define MAX_DIV_N_PCR 208
	29
ce6a5acc MC	30	#define RTS522A_PM_CTRL3 0xFF7E
ce6a5acc MC	31
663c425f MC	32	#define RTS524A_PME_FORCE_CTL 0xFF78
	33	#define RTS524A_PM_CTRL3 0xFF7E
	34
8275b77a RF	35	#define LTR_ACTIVE_LATENCY_DEF 0x883C
	36	#define LTR_IDLE_LATENCY_DEF 0x892C
	37	#define LTR_L1OFF_LATENCY_DEF 0x9003
	38	#define L1_SNOOZE_DELAY_DEF 1
	39	#define LTR_L1OFF_SSPWRGATE_5249_DEF 0xAF
	40	#define LTR_L1OFF_SSPWRGATE_5250_DEF 0xFF
	41	#define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF 0xAC
	42	#define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF 0xF8
	43	#define CMD_TIMEOUT_DEF 100
	44	#define ASPM_MASK_NEG 0xFC
	45	#define MASK_8_BIT_DEF 0xFF
	46
663c425f MC	47	int __rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
	48	int __rtsx_pci_read_phy_register(struct rtsx_pcr pcr, u8 addr, u16 val);
	49
67d16a46 WW	50	void rts5209_init_params(struct rtsx_pcr *pcr);
	51	void rts5229_init_params(struct rtsx_pcr *pcr);
	52	void rtl8411_init_params(struct rtsx_pcr *pcr);
56cb3cc1	53	void rtl8402_init_params(struct rtsx_pcr *pcr);
e1237932	54	void rts5227_init_params(struct rtsx_pcr *pcr);
ce6a5acc	55	void rts522a_init_params(struct rtsx_pcr *pcr);
4c4b8c10	56	void rts5249_init_params(struct rtsx_pcr *pcr);
663c425f	57	void rts524a_init_params(struct rtsx_pcr *pcr);
41bc2334	58	void rts525a_init_params(struct rtsx_pcr *pcr);
9032eabd	59	void rtl8411b_init_params(struct rtsx_pcr *pcr);
67d16a46	60
773ccdfd WW	61	static inline u8 map_sd_drive(int idx)
	62	{
	63	u8 sd_drive[4] = {
	64	0x01, /* Type D */
	65	0x02, /* Type C */
	66	0x05, /* Type A */
	67	0x03 /* Type B */
	68	};
	69
	70	return sd_drive[idx];
	71	}
	72
	73	#define rtsx_vendor_setting_valid(reg) (!((reg) & 0x1000000))
	74	#define rts5209_vendor_setting1_valid(reg) (!((reg) & 0x80))
	75	#define rts5209_vendor_setting2_valid(reg) ((reg) & 0x80)
	76
	77	#define rtsx_reg_to_aspm(reg) (((reg) >> 28) & 0x03)
	78	#define rtsx_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 26) & 0x03)
	79	#define rtsx_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x03)
	80	#define rtsx_reg_to_card_drive_sel(reg) ((((reg) >> 25) & 0x01) << 6)
	81	#define rtsx_reg_check_reverse_socket(reg) ((reg) & 0x4000)
	82	#define rts5209_reg_to_aspm(reg) (((reg) >> 5) & 0x03)
	83	#define rts5209_reg_check_ms_pmos(reg) (!((reg) & 0x08))
	84	#define rts5209_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 3) & 0x07)
	85	#define rts5209_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x07)
	86	#define rts5209_reg_to_card_drive_sel(reg) ((reg) >> 8)
	87	#define rtl8411_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 5) & 0x07)
	88	#define rtl8411b_reg_to_sd30_drive_sel_3v3(reg) ((reg) & 0x03)
	89
0da14eeb MC	90	#define set_pull_ctrl_tables(pcr, __device) \
	91	do { \
	92	pcr->sd_pull_ctl_enable_tbl = __device##_sd_pull_ctl_enable_tbl; \
	93	pcr->sd_pull_ctl_disable_tbl = __device##_sd_pull_ctl_disable_tbl; \
	94	pcr->ms_pull_ctl_enable_tbl = __device##_ms_pull_ctl_enable_tbl; \
	95	pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \
	96	} while (0)
	97
5cb5d961 MC	98	/* generic operations */
5cb5d961 MC	99	int rtsx_gops_pm_reset(struct rtsx_pcr *pcr);
8275b77a RF	100	int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency);
8275b77a RF	101	int rtsx_set_l1off_sub(struct rtsx_pcr *pcr, u8 val);
5cb5d961	102
67d16a46	103	#endif