// 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(offset, n) ((offset) + 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(offset, n) ((offset) + 0xb0 + 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#define CSIPHY_SKEW_CAL 7struct csiphy_lane_regs {/* GEN2 1.0 2PH */ static const struct /* GEN2 1.1 2PH */ static const struct /* GEN2 1.2.1 2PH */ static const struct /* 14nm 2PH v 2.0.1 2p5Gbps 4 lane DPHY mode */ static const struct /* GEN2 2.1.2 2PH DPHY mode */ static const struct /* 4nm 2PH v 2.1.2 2p5Gbps 4 lane DPHY mode */ static const struct /* Power up lanes 2ph mode */ static void csiphy_hw_version_read(struct csiphy_device *csiphy,struct device *dev)struct csiphy_device_regs *regs = csiphy->regs;"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)struct csiphy_device_regs *regs = csiphy->regs;static irqreturn_t csiphy_isr(int irq, void *dev)struct csiphy_device *csiphy = dev;struct csiphy_device_regs *regs = csiphy->regs;int i;for (i = 0; i < 11; i++) {int c = i + 22;for (i = 22; i < 33; 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)/* ps */ /* ps */ /* ps */ /* ps */ if (link_freq <= 0)return 0;return settle_cnt;static void csiphy_gen1_config_lanes(struct csiphy_device *csiphy,struct csiphy_config *cfg,struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg;int i, l = 0;for (i = 0; i <= c->num_data; i++) {if (i == c->num_data)else if (csiphy->camss->res->version == CAMSS_660)else static void csiphy_gen2_config_lanes(struct csiphy_device *csiphy,const struct csiphy_lane_regs *r = csiphy->regs->lane_regs;int i, array_size = csiphy->regs->lane_array_size;for (i = 0; i < array_size; i++, r++) {switch (r->csiphy_param_type) {case CSIPHY_SETTLE_CNT_LOWER_BYTE:break ;case CSIPHY_SKEW_CAL:/* TODO: support application of skew from dt flag */ continue ;case CSIPHY_DNP_PARAMS:continue ;default :break ;if (r->delay_us)static u8 csiphy_get_lane_mask(struct csiphy_lanes_cfg *lane_cfg)int i;for (i = 0; i < lane_cfg->num_data; i++)return lane_mask;static bool csiphy_is_gen2(u32 version)bool ret = false ;switch (version) {case CAMSS_2290:case CAMSS_7280:case CAMSS_8250:case CAMSS_8280XP:case CAMSS_845:case CAMSS_8550:case CAMSS_X1E80100:true ;break ;return ret;static void csiphy_lanes_enable(struct csiphy_device *csiphy,struct csiphy_config *cfg,struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg;struct csiphy_device_regs *regs = csiphy->regs;int i;for (i = 0; i < c->num_data; i++)if (csiphy_is_gen2(csiphy->camss->res->version))else /* IRQ_MASK registers - disable all interrupts */ for (i = 11; i < 22; i++) {static void csiphy_lanes_disable(struct csiphy_device *csiphy,struct csiphy_config *cfg)struct csiphy_device_regs *regs = csiphy->regs;static int csiphy_init(struct csiphy_device *csiphy)struct device *dev = csiphy->camss->dev;struct csiphy_device_regs *regs;sizeof (*regs), GFP_KERNEL);if (!regs)return -ENOMEM;switch (csiphy->camss->res->version) {case CAMSS_845:break ;case CAMSS_2290:break ;case CAMSS_7280:case CAMSS_8250:break ;case CAMSS_8280XP:break ;case CAMSS_X1E80100:break ;case CAMSS_8550:break ;default :break ;return 0;const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = {
Messung V0.5 C=96 H=96 G=95
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