drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0
 /*
  * camss-csiphy-3ph-1-0.c
  *
  * Qualcomm MSM Camera Subsystem - CSIPHY Module 3phase v1.0
  *
  * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
  * Copyright (C) 2016-2018 Linaro Ltd.
  */

 #include "camss.h"
 #include "camss-csiphy.h"

 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>

 #define CSIPHY_3PH_LNn_CFG1(n)			(0x000 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG1_SWI_REC_DLY_PRG	(BIT(7) | BIT(6))
 #define CSIPHY_3PH_LNn_CFG2(n)			(0x004 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG2_LP_REC_EN_INT	BIT(3)
 #define CSIPHY_3PH_LNn_CFG3(n)			(0x008 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG4(n)			(0x00c + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS	0xa4
 #define CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS_660	0xa5
 #define CSIPHY_3PH_LNn_CFG5(n)			(0x010 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG5_T_HS_DTERM		0x02
 #define CSIPHY_3PH_LNn_CFG5_HS_REC_EQ_FQ_INT	0x50
 #define CSIPHY_3PH_LNn_TEST_IMP(n)		(0x01c + 0x100 * (n))
 #define CSIPHY_3PH_LNn_TEST_IMP_HS_TERM_IMP	0xa
 #define CSIPHY_3PH_LNn_MISC1(n)			(0x028 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_MISC1_IS_CLKLANE		BIT(2)
 #define CSIPHY_3PH_LNn_CFG6(n)			(0x02c + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG6_SWI_FORCE_INIT_EXIT	BIT(0)
 #define CSIPHY_3PH_LNn_CFG7(n)			(0x030 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG7_SWI_T_INIT		0x2
 #define CSIPHY_3PH_LNn_CFG8(n)			(0x034 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG8_SWI_SKIP_WAKEUP	BIT(0)
 #define CSIPHY_3PH_LNn_CFG8_SKEW_FILTER_ENABLE	BIT(1)
 #define CSIPHY_3PH_LNn_CFG9(n)			(0x038 + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CFG9_SWI_T_WAKEUP	0x1
 #define CSIPHY_3PH_LNn_CSI_LANE_CTRL15(n)	(0x03c + 0x100 * (n))
 #define CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL	0xb8

 #define CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(n)	(0x800 + 0x4 * (n))
 #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE	BIT(7)
 #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B	BIT(0)
 #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID	BIT(1)
 #define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n)	(0x8b0 + 0x4 * (n))

 #define CSIPHY_DEFAULT_PARAMS            0
 #define CSIPHY_LANE_ENABLE               1
 #define CSIPHY_SETTLE_CNT_LOWER_BYTE     2
 #define CSIPHY_SETTLE_CNT_HIGHER_BYTE    3
 #define CSIPHY_DNP_PARAMS                4
 #define CSIPHY_2PH_REGS                  5
 #define CSIPHY_3PH_REGS                  6

 struct csiphy_reg_t {
 	s32 reg_addr;
 	s32 reg_data;
 	s32 delay;
 	u32 csiphy_param_type;
 };

 /* GEN2 1.0 2PH */
 static const struct
 csiphy_reg_t lane_regs_sdm845[5][14] = {
 	{
 		{0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0034, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x001C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0028, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0000, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0008, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x000c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0010, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0060, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0064, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0734, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x071C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0708, 0x14, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x070C, 0xA5, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0710, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0760, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0764, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0234, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x021C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0228, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0200, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0208, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x020C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0210, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0260, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0264, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0434, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x041C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0428, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0400, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0408, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x040C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0410, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0460, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0464, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0634, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x061C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0628, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0600, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0608, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x060C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0610, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0660, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0664, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 };

 /* GEN2 1.2.1 2PH */
 static const struct
 csiphy_reg_t lane_regs_sm8250[5][20] = {
 	{
 		{0x0030, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0900, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0908, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0904, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0904, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0034, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0010, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x001C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0008, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x0000, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x000c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0028, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0024, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0730, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C80, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C88, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C84, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C84, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0734, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0710, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x071C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0708, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x070c, 0xA5, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0724, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0230, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0A00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0A08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0A04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0A04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0234, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0210, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x021C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0208, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x0200, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x020c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0228, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0224, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0430, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0B00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0B08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0B04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0B04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0434, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0410, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x041C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0408, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x0400, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x040c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0428, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0424, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 	{
 		{0x0630, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0C04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0634, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0610, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x061C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0608, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
 		{0x0600, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x060c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0628, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0624, 0x00, 0x00, CSIPHY_DNP_PARAMS},
 		{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
 		{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
 	},
 };

 static void csiphy_hw_version_read(struct csiphy_device *csiphy,
 				   struct device *dev)
 {
 	u32 hw_version;

 	writel(CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID,
 	       csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));

 	hw_version = readl_relaxed(csiphy->base +
 				   CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(12));
 	hw_version |= readl_relaxed(csiphy->base +
 				   CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(13)) << 8;
 	hw_version |= readl_relaxed(csiphy->base +
 				   CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(14)) << 16;
 	hw_version |= readl_relaxed(csiphy->base +
 				   CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(15)) << 24;

 	dev_dbg(dev, "CSIPHY 3PH HW Version = 0x%08x\n", hw_version);
 }

 /*
  * csiphy_reset - Perform software reset on CSIPHY module
  * @csiphy: CSIPHY device
  */
 static void csiphy_reset(struct csiphy_device *csiphy)
 {
 	writel_relaxed(0x1, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(0));
 	usleep_range(5000, 8000);
 	writel_relaxed(0x0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(0));
 }

 static irqreturn_t csiphy_isr(int irq, void *dev)
 {
 	struct csiphy_device *csiphy = dev;
 	int i;

 	for (i = 0; i < 11; i++) {
 		int c = i + 22;
 		u8 val = readl_relaxed(csiphy->base +
 				       CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(i));

 		writel_relaxed(val, csiphy->base +
 				    CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(c));
 	}

 	writel_relaxed(0x1, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(10));
 	writel_relaxed(0x0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(10));

 	for (i = 22; i < 33; i++)
 		writel_relaxed(0x0, csiphy->base +
 				    CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(i));

 	return IRQ_HANDLED;
 }

 /*
  * csiphy_settle_cnt_calc - Calculate settle count value
  *
  * Helper function to calculate settle count value. This is
  * based on the CSI2 T_hs_settle parameter which in turn
  * is calculated based on the CSI2 transmitter link frequency.
  *
  * Return settle count value or 0 if the CSI2 link frequency
  * is not available
  */
 static u8 csiphy_settle_cnt_calc(s64 link_freq, u32 timer_clk_rate)
 {
 	u32 ui; /* ps */
 	u32 timer_period; /* ps */
 	u32 t_hs_prepare_max; /* ps */
 	u32 t_hs_settle; /* ps */
 	u8 settle_cnt;

 	if (link_freq <= 0)
 		return 0;

 	ui = div_u64(1000000000000LL, link_freq);
 	ui /= 2;
 	t_hs_prepare_max = 85000 + 6 * ui;
 	t_hs_settle = t_hs_prepare_max;

 	timer_period = div_u64(1000000000000LL, timer_clk_rate);
 	settle_cnt = t_hs_settle / timer_period - 6;

 	return settle_cnt;
 }

 static void csiphy_gen1_config_lanes(struct csiphy_device *csiphy,
 				     struct csiphy_config *cfg,
 				     u8 settle_cnt)
 {
 	struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg;
 	int i, l = 0;
 	u8 val;

 	for (i = 0; i <= c->num_data; i++) {
 		if (i == c->num_data)
 			l = 7;
 		else
 			l = c->data[i].pos * 2;

 		val = CSIPHY_3PH_LNn_CFG1_SWI_REC_DLY_PRG;
 		val |= 0x17;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG1(l));

 		val = CSIPHY_3PH_LNn_CFG2_LP_REC_EN_INT;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG2(l));

 		val = settle_cnt;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG3(l));

 		val = CSIPHY_3PH_LNn_CFG5_T_HS_DTERM |
 			CSIPHY_3PH_LNn_CFG5_HS_REC_EQ_FQ_INT;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG5(l));

 		val = CSIPHY_3PH_LNn_CFG6_SWI_FORCE_INIT_EXIT;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG6(l));

 		val = CSIPHY_3PH_LNn_CFG7_SWI_T_INIT;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG7(l));

 		val = CSIPHY_3PH_LNn_CFG8_SWI_SKIP_WAKEUP |
 			CSIPHY_3PH_LNn_CFG8_SKEW_FILTER_ENABLE;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG8(l));

 		val = CSIPHY_3PH_LNn_CFG9_SWI_T_WAKEUP;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG9(l));

 		val = CSIPHY_3PH_LNn_TEST_IMP_HS_TERM_IMP;
 		writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_TEST_IMP(l));

 		val = CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL;
 		writel_relaxed(val, csiphy->base +
 				    CSIPHY_3PH_LNn_CSI_LANE_CTRL15(l));
 	}

 	val = CSIPHY_3PH_LNn_CFG1_SWI_REC_DLY_PRG;
 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG1(l));

 	if (csiphy->camss->res->version == CAMSS_660)
 		val = CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS_660;
 	else
 		val = CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS;
 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG4(l));

 	val = CSIPHY_3PH_LNn_MISC1_IS_CLKLANE;
 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_MISC1(l));
 }

 static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy,
 				     u8 settle_cnt)
 {
 	const struct csiphy_reg_t *r;
 	int i, l, array_size;
 	u32 val;

 	switch (csiphy->camss->res->version) {
 	case CAMSS_845:
 		r = &lane_regs_sdm845[0][0];
 		array_size = ARRAY_SIZE(lane_regs_sdm845[0]);
 		break;
 	case CAMSS_8250:
 		r = &lane_regs_sm8250[0][0];
 		array_size = ARRAY_SIZE(lane_regs_sm8250[0]);
 		break;
 	default:
 		WARN(1, "unknown cspi version\n");
 		return;
 	}

 	for (l = 0; l < 5; l++) {
 		for (i = 0; i < array_size; i++, r++) {
 			switch (r->csiphy_param_type) {
 			case CSIPHY_SETTLE_CNT_LOWER_BYTE:
 				val = settle_cnt & 0xff;
 				break;
 			case CSIPHY_DNP_PARAMS:
 				continue;
 			default:
 				val = r->reg_data;
 				break;
 			}
 			writel_relaxed(val, csiphy->base + r->reg_addr);
 		}
 	}
 }

 static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg)
 {
 	u8 lane_mask;
 	int i;

 	lane_mask = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE;

 	for (i = 0; i < lane_cfg->num_data; i++)
 		lane_mask |= 1 << lane_cfg->data[i].pos;

 	return lane_mask;
 }

 static void csiphy_lanes_enable(struct csiphy_device *csiphy,
 				struct csiphy_config *cfg,
 				s64 link_freq, u8 lane_mask)
 {
 	struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg;
 	bool is_gen2 = (csiphy->camss->res->version == CAMSS_845 ||
 			csiphy->camss->res->version == CAMSS_8250);
 	u8 settle_cnt;
 	u8 val;
 	int i;

 	settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate);

 	val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE;
 	for (i = 0; i < c->num_data; i++)
 		val |= BIT(c->data[i].pos * 2);

 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(5));

 	val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B;
 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));

 	val = 0x02;
 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(7));

 	val = 0x00;
 	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(0));

 	if (is_gen2)
 		csiphy_gen2_config_lanes(csiphy, settle_cnt);
 	else
 		csiphy_gen1_config_lanes(csiphy, cfg, settle_cnt);

 	/* IRQ_MASK registers - disable all interrupts */
 	for (i = 11; i < 22; i++)
 		writel_relaxed(0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(i));
 }

 static void csiphy_lanes_disable(struct csiphy_device *csiphy,
 				 struct csiphy_config *cfg)
 {
 	writel_relaxed(0, csiphy->base +
 			  CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(5));

 	writel_relaxed(0, csiphy->base +
 			  CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));
 }

 const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = {
 	.get_lane_mask = csiphy_get_lane_mask,
 	.hw_version_read = csiphy_hw_version_read,
 	.reset = csiphy_reset,
 	.lanes_enable = csiphy_lanes_enable,
 	.lanes_disable = csiphy_lanes_disable,
 	.isr = csiphy_isr,
 };
	// SPDX-License-Identifier: GPL-2.0
	/*
	* camss-csiphy-3ph-1-0.c
	*
	* Qualcomm MSM Camera Subsystem - CSIPHY Module 3phase v1.0
	*
	* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
	* Copyright (C) 2016-2018 Linaro Ltd.
	*/

	#include "camss.h"
	#include "camss-csiphy.h"

	#include <linux/delay.h>
	#include <linux/interrupt.h>
	#include <linux/io.h>

	#define CSIPHY_3PH_LNn_CFG1(n) (0x000 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG1_SWI_REC_DLY_PRG (BIT(7) \| BIT(6))
	#define CSIPHY_3PH_LNn_CFG2(n) (0x004 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG2_LP_REC_EN_INT BIT(3)
	#define CSIPHY_3PH_LNn_CFG3(n) (0x008 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG4(n) (0x00c + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS 0xa4
	#define CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS_660 0xa5
	#define CSIPHY_3PH_LNn_CFG5(n) (0x010 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG5_T_HS_DTERM 0x02
	#define CSIPHY_3PH_LNn_CFG5_HS_REC_EQ_FQ_INT 0x50
	#define CSIPHY_3PH_LNn_TEST_IMP(n) (0x01c + 0x100 * (n))
	#define CSIPHY_3PH_LNn_TEST_IMP_HS_TERM_IMP 0xa
	#define CSIPHY_3PH_LNn_MISC1(n) (0x028 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_MISC1_IS_CLKLANE BIT(2)
	#define CSIPHY_3PH_LNn_CFG6(n) (0x02c + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG6_SWI_FORCE_INIT_EXIT BIT(0)
	#define CSIPHY_3PH_LNn_CFG7(n) (0x030 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG7_SWI_T_INIT 0x2
	#define CSIPHY_3PH_LNn_CFG8(n) (0x034 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG8_SWI_SKIP_WAKEUP BIT(0)
	#define CSIPHY_3PH_LNn_CFG8_SKEW_FILTER_ENABLE BIT(1)
	#define CSIPHY_3PH_LNn_CFG9(n) (0x038 + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CFG9_SWI_T_WAKEUP 0x1
	#define CSIPHY_3PH_LNn_CSI_LANE_CTRL15(n) (0x03c + 0x100 * (n))
	#define CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL 0xb8

	#define CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(n) (0x800 + 0x4 * (n))
	#define CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE BIT(7)
	#define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B BIT(0)
	#define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID BIT(1)
	#define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n) (0x8b0 + 0x4 * (n))

	#define CSIPHY_DEFAULT_PARAMS 0
	#define CSIPHY_LANE_ENABLE 1
	#define CSIPHY_SETTLE_CNT_LOWER_BYTE 2
	#define CSIPHY_SETTLE_CNT_HIGHER_BYTE 3
	#define CSIPHY_DNP_PARAMS 4
	#define CSIPHY_2PH_REGS 5
	#define CSIPHY_3PH_REGS 6

	struct csiphy_reg_t {
	s32 reg_addr;
	s32 reg_data;
	s32 delay;
	u32 csiphy_param_type;
	};

	/* GEN2 1.0 2PH */
	static const struct
	csiphy_reg_t lane_regs_sdm845[5][14] = {
	{
	{0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0034, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x001C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0028, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0000, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0008, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x000c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0010, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0060, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0064, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0734, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x071C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0708, 0x14, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x070C, 0xA5, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0710, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0760, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0764, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0234, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x021C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0228, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0200, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0208, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x020C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0210, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0260, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0264, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0434, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x041C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0428, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0400, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0408, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x040C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0410, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0460, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0464, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0634, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x061C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0628, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0600, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0608, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x060C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0610, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0660, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0664, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	};

	/* GEN2 1.2.1 2PH */
	static const struct
	csiphy_reg_t lane_regs_sm8250[5][20] = {
	{
	{0x0030, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0900, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0908, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0904, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0904, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0034, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0010, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x001C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0008, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x0000, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x000c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0028, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0024, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0730, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C80, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C88, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C84, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C84, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0734, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0710, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x071C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0708, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x070c, 0xA5, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0724, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0230, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0A00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0A08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0A04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0A04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0234, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0210, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x021C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0208, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x0200, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x020c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0228, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0224, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0430, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0B00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0B08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0B04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0B04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0434, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0410, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x041C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0408, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x0400, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x040c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0428, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0424, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	{
	{0x0630, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C00, 0x05, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C08, 0x10, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C04, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0C04, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0634, 0x07, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0610, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x061C, 0x08, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0608, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
	{0x0600, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x060c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0628, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0624, 0x00, 0x00, CSIPHY_DNP_PARAMS},
	{0x0800, 0x02, 0x00, CSIPHY_DEFAULT_PARAMS},
	{0x0884, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
	},
	};

	static void csiphy_hw_version_read(struct csiphy_device *csiphy,
	struct device *dev)
	{
	u32 hw_version;

	writel(CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID,
	csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));

	hw_version = readl_relaxed(csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(12));
	hw_version \|= readl_relaxed(csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(13)) << 8;
	hw_version \|= readl_relaxed(csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(14)) << 16;
	hw_version \|= readl_relaxed(csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(15)) << 24;

	dev_dbg(dev, "CSIPHY 3PH HW Version = 0x%08x\n", hw_version);
	}

	/*
	* csiphy_reset - Perform software reset on CSIPHY module
	* @csiphy: CSIPHY device
	*/
	static void csiphy_reset(struct csiphy_device *csiphy)
	{
	writel_relaxed(0x1, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(0));
	usleep_range(5000, 8000);
	writel_relaxed(0x0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(0));
	}

	static irqreturn_t csiphy_isr(int irq, void *dev)
	{
	struct csiphy_device *csiphy = dev;
	int i;

	for (i = 0; i < 11; i++) {
	int c = i + 22;
	u8 val = readl_relaxed(csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(i));

	writel_relaxed(val, csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(c));
	}

	writel_relaxed(0x1, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(10));
	writel_relaxed(0x0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(10));

	for (i = 22; i < 33; i++)
	writel_relaxed(0x0, csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(i));

	return IRQ_HANDLED;
	}

	/*
	* csiphy_settle_cnt_calc - Calculate settle count value
	*
	* Helper function to calculate settle count value. This is
	* based on the CSI2 T_hs_settle parameter which in turn
	* is calculated based on the CSI2 transmitter link frequency.
	*
	* Return settle count value or 0 if the CSI2 link frequency
	* is not available
	*/
	static u8 csiphy_settle_cnt_calc(s64 link_freq, u32 timer_clk_rate)
	{
	u32 ui; /* ps */
	u32 timer_period; /* ps */
	u32 t_hs_prepare_max; /* ps */
	u32 t_hs_settle; /* ps */
	u8 settle_cnt;

	if (link_freq <= 0)
	return 0;

	ui = div_u64(1000000000000LL, link_freq);
	ui /= 2;
	t_hs_prepare_max = 85000 + 6 * ui;
	t_hs_settle = t_hs_prepare_max;

	timer_period = div_u64(1000000000000LL, timer_clk_rate);
	settle_cnt = t_hs_settle / timer_period - 6;

	return settle_cnt;
	}

	static void csiphy_gen1_config_lanes(struct csiphy_device *csiphy,
	struct csiphy_config *cfg,
	u8 settle_cnt)
	{
	struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg;
	int i, l = 0;
	u8 val;

	for (i = 0; i <= c->num_data; i++) {
	if (i == c->num_data)
	l = 7;
	else
	l = c->data[i].pos * 2;

	val = CSIPHY_3PH_LNn_CFG1_SWI_REC_DLY_PRG;
	val \|= 0x17;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG1(l));

	val = CSIPHY_3PH_LNn_CFG2_LP_REC_EN_INT;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG2(l));

	val = settle_cnt;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG3(l));

	val = CSIPHY_3PH_LNn_CFG5_T_HS_DTERM \|
	CSIPHY_3PH_LNn_CFG5_HS_REC_EQ_FQ_INT;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG5(l));

	val = CSIPHY_3PH_LNn_CFG6_SWI_FORCE_INIT_EXIT;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG6(l));

	val = CSIPHY_3PH_LNn_CFG7_SWI_T_INIT;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG7(l));

	val = CSIPHY_3PH_LNn_CFG8_SWI_SKIP_WAKEUP \|
	CSIPHY_3PH_LNn_CFG8_SKEW_FILTER_ENABLE;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG8(l));

	val = CSIPHY_3PH_LNn_CFG9_SWI_T_WAKEUP;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG9(l));

	val = CSIPHY_3PH_LNn_TEST_IMP_HS_TERM_IMP;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_TEST_IMP(l));

	val = CSIPHY_3PH_LNn_CSI_LANE_CTRL15_SWI_SOT_SYMBOL;
	writel_relaxed(val, csiphy->base +
	CSIPHY_3PH_LNn_CSI_LANE_CTRL15(l));
	}

	val = CSIPHY_3PH_LNn_CFG1_SWI_REC_DLY_PRG;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG1(l));

	if (csiphy->camss->res->version == CAMSS_660)
	val = CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS_660;
	else
	val = CSIPHY_3PH_LNn_CFG4_T_HS_CLK_MISS;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_CFG4(l));

	val = CSIPHY_3PH_LNn_MISC1_IS_CLKLANE;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_LNn_MISC1(l));
	}

	static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy,
	u8 settle_cnt)
	{
	const struct csiphy_reg_t *r;
	int i, l, array_size;
	u32 val;

	switch (csiphy->camss->res->version) {
	case CAMSS_845:
	r = &lane_regs_sdm845[0][0];
	array_size = ARRAY_SIZE(lane_regs_sdm845[0]);
	break;
	case CAMSS_8250:
	r = &lane_regs_sm8250[0][0];
	array_size = ARRAY_SIZE(lane_regs_sm8250[0]);
	break;
	default:
	WARN(1, "unknown cspi version\n");
	return;
	}

	for (l = 0; l < 5; l++) {
	for (i = 0; i < array_size; i++, r++) {
	switch (r->csiphy_param_type) {
	case CSIPHY_SETTLE_CNT_LOWER_BYTE:
	val = settle_cnt & 0xff;
	break;
	case CSIPHY_DNP_PARAMS:
	continue;
	default:
	val = r->reg_data;
	break;
	}
	writel_relaxed(val, csiphy->base + r->reg_addr);
	}
	}
	}

	static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg)
	{
	u8 lane_mask;
	int i;

	lane_mask = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE;

	for (i = 0; i < lane_cfg->num_data; i++)
	lane_mask \|= 1 << lane_cfg->data[i].pos;

	return lane_mask;
	}

	static void csiphy_lanes_enable(struct csiphy_device *csiphy,
	struct csiphy_config *cfg,
	s64 link_freq, u8 lane_mask)
	{
	struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg;
	bool is_gen2 = (csiphy->camss->res->version == CAMSS_845 \|\|
	csiphy->camss->res->version == CAMSS_8250);
	u8 settle_cnt;
	u8 val;
	int i;

	settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate);

	val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL5_CLK_ENABLE;
	for (i = 0; i < c->num_data; i++)
	val \|= BIT(c->data[i].pos * 2);

	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(5));

	val = CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_COMMON_PWRDN_B;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));

	val = 0x02;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(7));

	val = 0x00;
	writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(0));

	if (is_gen2)
	csiphy_gen2_config_lanes(csiphy, settle_cnt);
	else
	csiphy_gen1_config_lanes(csiphy, cfg, settle_cnt);

	/* IRQ_MASK registers - disable all interrupts */
	for (i = 11; i < 22; i++)
	writel_relaxed(0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(i));
	}

	static void csiphy_lanes_disable(struct csiphy_device *csiphy,
	struct csiphy_config *cfg)
	{
	writel_relaxed(0, csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(5));

	writel_relaxed(0, csiphy->base +
	CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));
	}

	const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = {
	.get_lane_mask = csiphy_get_lane_mask,
	.hw_version_read = csiphy_hw_version_read,
	.reset = csiphy_reset,
	.lanes_enable = csiphy_lanes_enable,
	.lanes_disable = csiphy_lanes_disable,
	.isr = csiphy_isr,
	};