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|
// 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->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->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->version == CAMSS_845 ||
csiphy->camss->version == CAMSS_8250);
u8 settle_cnt;
u8 val;
int i;
settle_cnt = csiphy_settle_cnt_calc(link_freq, csiphy->timer_clk_rate);
val = is_gen2 ? BIT(7) : 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,
};
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