From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio

---
 kernel/drivers/video/rockchip/vehicle/vehicle_cif.c |  190 ++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 153 insertions(+), 37 deletions(-)

diff --git a/kernel/drivers/video/rockchip/vehicle/vehicle_cif.c b/kernel/drivers/video/rockchip/vehicle/vehicle_cif.c
index 7d2e08e..96c2bfb 100644
--- a/kernel/drivers/video/rockchip/vehicle/vehicle_cif.c
+++ b/kernel/drivers/video/rockchip/vehicle/vehicle_cif.c
@@ -37,7 +37,6 @@
 #include <media/v4l2-mediabus.h>
 #include <linux/delay.h>
 #include <linux/pm_runtime.h>
-#include <dt-bindings/soc/rockchip-system-status.h>
 #include <soc/rockchip/rockchip-system-status.h>
 #include <linux/phy/phy.h>
 #include <linux/uaccess.h>
@@ -2266,6 +2265,31 @@
 	return index;
 }
 
+static enum cif_reg_index get_reg_index_of_frm_num(int channel_id)
+{
+	enum cif_reg_index index;
+
+	switch (channel_id) {
+	case 0:
+		index = CIF_REG_MIPI_FRAME_NUM_VC0;
+		break;
+	case 1:
+		index = CIF_REG_MIPI_FRAME_NUM_VC1;
+		break;
+	case 2:
+		index = CIF_REG_MIPI_FRAME_NUM_VC2;
+		break;
+	case 3:
+		index = CIF_REG_MIPI_FRAME_NUM_VC3;
+		break;
+	default:
+		index = CIF_REG_MIPI_FRAME_NUM_VC0;
+		break;
+	}
+
+	return index;
+}
+
 static enum cif_reg_index get_reg_index_of_frm1_y_addr(int channel_id)
 {
 	enum cif_reg_index index;
@@ -2758,14 +2782,14 @@
 	VEHICLE_DG("%s, LINE=%d, channel->fmt_val = 0x%x", __func__, __LINE__, channel->fmt_val);
 	if (cfg->input_format == CIF_INPUT_FORMAT_PAL ||
 		cfg->input_format == CIF_INPUT_FORMAT_NTSC) {
-		VEHICLE_DG("CVBS IN PAL or NTSC config.");
+		VEHICLE_INFO("CVBS IN PAL or NTSC config.");
 		channel->virtual_width *= 2;
 		cif->interlaced_enable = true;
 		cif->interlaced_offset = channel->width;
 		cif->interlaced_counts = 0;
 		cif->interlaced_buffer = 0;
 		channel->height /= 2;
-		VEHICLE_DG("do denterlaced.\n");
+		VEHICLE_INFO("do denterlaced.\n");
 	}
 
 	channel->data_type = get_data_type(cfg->mbus_code,
@@ -3930,7 +3954,7 @@
 	static unsigned long temp_y_addr, temp_uv_addr;
 	int commit_buf = 0;
 	struct vehicle_rkcif_dummy_buffer *dummy_buf = &cif->dummy_buf;
-
+	u32 frm_num_reg, frame_id = 0;
 	VEHICLE_DG("@%s, enter, mipi_id(%d)\n", __func__, mipi_id);
 
 	if ((frame_ready > 1) || (cif->cif_cfg.buf_num < 2) ||
@@ -3946,6 +3970,10 @@
 		frm0_addr_uv = get_reg_index_of_frm0_uv_addr(mipi_id);
 		frm1_addr_y = get_reg_index_of_frm1_y_addr(mipi_id);
 		frm1_addr_uv = get_reg_index_of_frm1_uv_addr(mipi_id);
+		frm_num_reg = get_reg_index_of_frm_num(mipi_id);
+		frame_id = rkcif_read_reg(cif, frm_num_reg);
+		VEHICLE_DG("@%s, frm_num_reg(0x%x), frame_id:0x%x\n", __func__,
+			   frm_num_reg, frame_id);
 	} else {
 		frm0_addr_y = get_dvp_reg_index_of_frm0_y_addr(mipi_id);
 		frm0_addr_uv = get_dvp_reg_index_of_frm0_uv_addr(mipi_id);
@@ -3979,10 +4007,11 @@
 		uv_addr = temp_uv_addr;
 		commit_buf = 0;
 	} else {
-		if ((cif->interlaced_counts % 2) == 0) {
+		if ((frame_id != 0 && (frame_id & 0xffff) % 2 == 0) ||
+		    (frame_id == 0 && (cif->interlaced_counts % 2 == 0))) {
 			temp_y_addr = vehicle_flinger_request_cif_buffer();
 			if (temp_y_addr == 0) {
-				VEHICLE_INFO("%s,warnning request buffer failed\n", __func__);
+				VEHICLE_DGERR("%s,warnning request buffer failed\n", __func__);
 				spin_unlock(&cif->vbq_lock);
 				return -1;
 			}
@@ -3995,6 +4024,11 @@
 			//uv_addr = temp_uv_addr;
 			uv_addr = temp_uv_addr + cif->interlaced_offset;
 			commit_buf = 0; //even & odd field add
+			if (temp_y_addr == 0) {
+				VEHICLE_DGERR("%s,warnning temp_y_addr is NULL!\n", __func__);
+				spin_unlock(&cif->vbq_lock);
+				return -1;
+			}
 		}
 		WARN_ON(y_addr == cif->interlaced_offset);
 		WARN_ON(uv_addr == cif->interlaced_offset);
@@ -4453,6 +4487,37 @@
 	return IRQ_HANDLED;
 }
 
+#define vehicle_csi2_err_strncat(dst_str, src_str) {\
+	if (strlen(dst_str) + strlen(src_str) < CSI_ERRSTR_LEN)\
+		strncat(dst_str, src_str, strlen(src_str)); }
+
+static void vehicle_csi2_find_err_vc(int val, char *vc_info)
+{
+	int i;
+	char cur_str[CSI_VCINFO_LEN] = {0};
+
+	memset(vc_info, 0, sizeof(*vc_info));
+	for (i = 0; i < 4; i++) {
+		if ((val >> i) & 0x1) {
+			snprintf(cur_str, CSI_VCINFO_LEN, " %d", i);
+			if (strlen(vc_info) + strlen(cur_str) < CSI_VCINFO_LEN)
+				strncat(vc_info, cur_str, strlen(cur_str));
+		}
+	}
+}
+
+static void vehicle_csi2_err_print_work(struct work_struct *work)
+{
+	struct vehicle_csi2_err_state_work *err_state = container_of(work,
+							struct vehicle_csi2_err_state_work,
+							work);
+
+	pr_err("mipi_csi2: ERR%d:0x%x %s\n", err_state->err_num,
+		err_state->err_val, err_state->err_str);
+	if (err_state->err_num == 1)
+		pr_info("mipi_csi2: err_stat:0x%x\n", err_state->err_stat);
+}
+
 static irqreturn_t vehicle_csirx_irq1(int irq, void *data)
 {
 	struct vehicle_cif *cif = (struct vehicle_cif *)data;
@@ -4460,6 +4525,9 @@
 	struct csi2_err_stats *err_list = NULL;
 	unsigned long err_stat = 0;
 	u32 val;
+	char err_str[CSI_ERRSTR_LEN] = {0};
+	char cur_str[CSI_ERRSTR_LEN] = {0};
+	char vc_info[CSI_VCINFO_LEN] = {0};
 
 	val = read_reg(hw->csi2_base, CSIHOST_ERR1);
 	if (val) {
@@ -4469,53 +4537,69 @@
 		if (val & CSIHOST_ERR1_PHYERR_SPTSYNCHS) {
 			err_list = &hw->err_list[RK_CSI2_ERR_SOTSYN];
 			err_list->cnt++;
-			VEHICLE_DGERR(
-			"ERR1: start of transmission error, reg: 0x%x,cnt:%d\n",
-				val, err_list->cnt);
+
+			vehicle_csi2_find_err_vc(val & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(sot sync,lane:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
 		}
 
 		if (val & CSIHOST_ERR1_ERR_BNDRY_MATCH) {
 			err_list = &hw->err_list[RK_CSI2_ERR_FS_FE_MIS];
 			err_list->cnt++;
-			VEHICLE_DGERR(
-			"ERR1: error matching frame start with frame end, reg: 0x%x,cnt:%d\n",
-				val, err_list->cnt);
+			vehicle_csi2_find_err_vc((val >> 4) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(fs/fe miss,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+
 		}
 
 		if (val & CSIHOST_ERR1_ERR_SEQ) {
 			err_list = &hw->err_list[RK_CSI2_ERR_FRM_SEQ_ERR];
 			err_list->cnt++;
-			VEHICLE_DGERR("ERR1: incorrect frame sequence detected, reg: 0x%x,cnt:%d\n",
-				val, err_list->cnt);
+			vehicle_csi2_find_err_vc((val >> 8) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(f_seq,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+
 		}
 
 		if (val & CSIHOST_ERR1_ERR_FRM_DATA) {
 			err_list = &hw->err_list[RK_CSI2_ERR_CRC_ONCE];
 			err_list->cnt++;
-			VEHICLE_DGERR("ERR1: at least one crc error, reg: 0x%x\n,cnt:%d",
-				val, err_list->cnt);
+			vehicle_csi2_find_err_vc((val >> 12) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(err_data,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+
 		}
 
 		if (val & CSIHOST_ERR1_ERR_CRC) {
 			err_list = &hw->err_list[RK_CSI2_ERR_CRC];
 			err_list->cnt++;
-			VEHICLE_DGERR("ERR1: crc errors, reg: 0x%x, cnt:%d\n",
-				 val, err_list->cnt);
+			vehicle_csi2_find_err_vc((val >> 24) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(crc,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+
 		}
 
 		if (val & CSIHOST_ERR1_ERR_ECC2) {
 			err_list = &hw->err_list[RK_CSI2_ERR_CRC];
 			err_list->cnt++;
-			VEHICLE_DGERR("ERR1: ecc errors, reg: 0x%x, cnt:%d\n",
-				 val, err_list->cnt);
-		}
-		if (val & CSIHOST_ERR1_ERR_CTRL)
-			VEHICLE_DGERR("ERR1: ctrl errors, reg: 0x%x\n", val);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(ecc2) ");
+			vehicle_csi2_err_strncat(err_str, cur_str);
 
+		}
+		if (val & CSIHOST_ERR1_ERR_CTRL) {
+			vehicle_csi2_find_err_vc((val >> 16) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(ctrl,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+		}
 		hw->err_list[RK_CSI2_ERR_ALL].cnt++;
 		err_stat = ((hw->err_list[RK_CSI2_ERR_FS_FE_MIS].cnt & 0xff) << 8) |
 			    ((hw->err_list[RK_CSI2_ERR_ALL].cnt) & 0xff);
-		VEHICLE_INFO("%s: err_stat: %x\n", err_stat);
+
+		cif->err_state.err_val = val;
+		cif->err_state.err_num = 1;
+		cif->err_state.err_stat = err_stat;
+		strscpy(cif->err_state.err_str, err_str, CSI_ERRSTR_LEN);
+		queue_work(cif->err_state.err_print_wq, &cif->err_state.work);
 
 	}
 
@@ -4527,22 +4611,41 @@
 	struct vehicle_cif *cif = (struct vehicle_cif *)data;
 	struct csi2_dphy_hw *hw = cif->dphy_hw;
 	u32 val;
+	char cur_str[CSI_ERRSTR_LEN] = {0};
+	char err_str[CSI_ERRSTR_LEN] = {0};
+	char vc_info[CSI_VCINFO_LEN] = {0};
 
 	val = read_reg(hw->csi2_base, CSIHOST_ERR2);
 	if (val) {
-		if (val & CSIHOST_ERR2_PHYERR_ESC)
-			VEHICLE_DGERR("ERR2: escape entry error(ULPM), reg: 0x%x\n", val);
-		if (val & CSIHOST_ERR2_PHYERR_SOTHS)
-			VEHICLE_DGERR(
-				"ERR2: start of transmission error, reg: 0x%x\n", val);
-		if (val & CSIHOST_ERR2_ECC_CORRECTED)
-			VEHICLE_DGERR(
-				"ERR2: header error detected and corrected, reg: 0x%x\n", val);
-		if (val & CSIHOST_ERR2_ERR_ID)
-			VEHICLE_DGERR(
-				"ERR2: unrecognized data type detected, reg: 0x%x\n", val);
-		if (val & CSIHOST_ERR2_PHYERR_CODEHS)
-			VEHICLE_DGERR("ERR2: receive error code, reg: 0x%x\n", val);
+		if (val & CSIHOST_ERR2_PHYERR_ESC) {
+			vehicle_csi2_find_err_vc(val & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(ULPM,lane:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+		}
+		if (val & CSIHOST_ERR2_PHYERR_SOTHS) {
+			vehicle_csi2_find_err_vc((val >> 4) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(sot,lane:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+		}
+		if (val & CSIHOST_ERR2_ECC_CORRECTED) {
+			vehicle_csi2_find_err_vc((val >> 8) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(ecc,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+		}
+		if (val & CSIHOST_ERR2_ERR_ID) {
+			vehicle_csi2_find_err_vc((val >> 12) & 0xf, vc_info);
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(err id,vc:%s) ", vc_info);
+			vehicle_csi2_err_strncat(err_str, cur_str);
+		}
+		if (val & CSIHOST_ERR2_PHYERR_CODEHS) {
+			snprintf(cur_str, CSI_ERRSTR_LEN, "(err code) ");
+			vehicle_csi2_err_strncat(err_str, cur_str);
+		}
+		cif->err_state.err_val = val;
+		cif->err_state.err_num = 2;
+		strscpy(cif->err_state.err_str, err_str, CSI_ERRSTR_LEN);
+		queue_work(cif->err_state.err_print_wq, &cif->err_state.work);
+
 	}
 
 	return IRQ_HANDLED;
@@ -4661,6 +4764,7 @@
 	cif->stopping = true;
 	cancel_delayed_work_sync(&(cif->work));
 	flush_delayed_work(&(cif->work));
+	cancel_work_sync(&cif->err_state.work);
 
 	ret = wait_event_timeout(cif->wq_stopped,
 				 cif->state != RKCIF_STATE_STREAMING,
@@ -5118,6 +5222,7 @@
 	if (inf_id == RKCIF_MIPI_LVDS) {
 		/* 5. set csi2-mipi-dphy reg */
 		if (cif->dphy_hw->chip_id == CHIP_ID_RK3588 ||
+		    cif->dphy_hw->chip_id == CHIP_ID_RK3568 ||
 		    cif->dphy_hw->chip_id == CHIP_ID_RK3562)
 			cif->dphy_hw->csi2_dphy_base = cif->csi2_dphy_base;
 
@@ -5140,6 +5245,13 @@
 	init_waitqueue_head(&cif->wq_stopped);
 
 	spin_lock_init(&cif->vbq_lock);
+
+	INIT_WORK(&cif->err_state.work, vehicle_csi2_err_print_work);
+	cif->err_state.err_print_wq = create_workqueue("cis2_err_print_queue");
+	if (cif->err_state.err_print_wq == NULL) {
+		dev_err(dev, "%s: %s create failed.\n", __func__,
+			"csi2_err_print_wq");
+	}
 
 	return 0;
 }
@@ -5211,6 +5323,10 @@
 		free_irq(cif->csi2_irq1, cif);
 		free_irq(cif->csi2_irq2, cif);
 	}
+	if (cif->err_state.err_print_wq) {
+		flush_workqueue(cif->err_state.err_print_wq);
+		destroy_workqueue(cif->err_state.err_print_wq);
+	}
 
 	return 0;
 }

--
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