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msm: camera: tfe: Add epd support

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This change add support for EPD mode high data
rate sensors which send EPD instead of EOT. This
change is only for CPHY EPD sensors and not applicable
to DPHY EPD sensors. For CPHY EPD sensor, EOT error masked.

CRs-Fixed: 3736696
Signed-off-by: Alok Chauhan <quic_alokc@quicinc.com>
Change-Id: I5ef0dac8e590daa1c4f3bc217f7da81a7a193dfe
This commit is contained in:
Alok Chauhan
2024-02-01 13:23:16 +05:30
parent 583fbf8d3a
commit ec6515da0e
6 changed files with 40 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/cam_isp/isp_hw_mgr/cam_tfe_hw_mgr.c
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@@ -2194,6 +2194,8 @@ static int cam_tfe_mgr_acquire_get_unified_structure_v2(
CAM_ISP_TFE_FLAG_SHDR_SLAVE_EN;
in_port->is_shdr_master = in->feature_flag &
CAM_ISP_TFE_FLAG_SHDR_MASTER_EN;
in_port->epd_supported = in->feature_flag &
CAM_ISP_TFE_FLAG_EPD_SUPPORT;
if (in_port->bayer_bin && in_port->qcfa_bin) {

3
drivers/cam_isp/isp_hw_mgr/isp_hw/include/cam_tfe_csid_hw_intf.h
View File

@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef _CAM_TFE_CSID_HW_INTF_H_
@@ -93,6 +93,7 @@ struct cam_isp_tfe_in_port_generic_info {
uint32_t secure_mode;
bool shdr_en;
bool is_shdr_master;
bool epd_supported;
struct cam_isp_tfe_out_port_generic_info *data;
};

3
drivers/cam_isp/isp_hw_mgr/isp_hw/tfe_csid_hw/cam_tfe_csid770.h
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef _CAM_TFE_CSID_770_H_
@@ -279,6 +279,7 @@ static struct cam_tfe_csid_csi2_rx_reg_offset
.csi2_irq_mask_all = 0xFFFFFFF,
.csi2_misr_enable_shift_val = 6,
.csi2_vc_mode_shift_val = 2,
.csi2_rx_epd_mode_shift_en = 8,
.csi2_capture_long_pkt_en_shift = 0,
.csi2_capture_short_pkt_en_shift = 1,
.csi2_capture_cphy_pkt_en_shift = 2,

27
drivers/cam_isp/isp_hw_mgr/isp_hw/tfe_csid_hw/cam_tfe_csid_core.c
View File

@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/iopoll.h>
@@ -697,13 +697,14 @@ static int cam_tfe_csid_cid_reserve(struct cam_tfe_csid_hw *csid_hw,
const struct cam_tfe_csid_reg_offset *csid_reg;
CAM_DBG(CAM_ISP,
"CSID:%d res_id:0x%x Lane type:%d lane_num:%d dt:%d vc:%d",
"CSID:%d res_id:0x%x Lane type:%d lane_num:%d dt:%d vc:%d, is_EPD: %d",
csid_hw->hw_intf->hw_idx,
cid_reserv->in_port->res_id,
cid_reserv->in_port->lane_type,
cid_reserv->in_port->lane_num,
cid_reserv->in_port->dt[0],
cid_reserv->in_port->vc[0]);
cid_reserv->in_port->vc[0],
cid_reserv->in_port->epd_supported);
if (cid_reserv->in_port->res_id >= CAM_ISP_TFE_IN_RES_MAX) {
CAM_ERR(CAM_ISP, "CSID:%d Invalid phy sel %d",
@@ -801,6 +802,8 @@ static int cam_tfe_csid_cid_reserve(struct cam_tfe_csid_hw *csid_hw,
cid_reserv->in_port->lane_type;
csid_hw->csi2_rx_cfg.lane_num =
cid_reserv->in_port->lane_num;
if (cid_reserv->in_port->epd_supported)
csid_hw->csi2_rx_cfg.epd_supported = 1;
switch (cid_reserv->in_port->res_id) {
case CAM_ISP_TFE_IN_RES_TPG:
@@ -1101,6 +1104,10 @@ static int cam_tfe_csid_enable_csi2(
/* enable packet ecc correction */
val |= 1;
/* enable epd mode */
if (csid_hw->csi2_rx_cfg.epd_supported)
val |= (csid_hw->csi2_rx_cfg.epd_supported <<
csid_reg->csi2_reg->csi2_rx_epd_mode_shift_en);
cam_io_w_mb(val, soc_info->reg_map[0].mem_base +
csid_reg->csi2_reg->csid_csi2_rx_cfg1_addr);
@@ -1119,6 +1126,10 @@ static int cam_tfe_csid_enable_csi2(
TFE_CSID_CSI2_RX_ERROR_UNBOUNDED_FRAME |
TFE_CSID_CSI2_RX_ERROR_CPHY_PH_CRC;
if (csid_hw->csi2_rx_cfg.epd_supported &&
(csid_hw->csi2_rx_cfg.lane_type == CAM_ISP_LANE_TYPE_DPHY))
val &= ~TFE_CSID_CSI2_RX_ERROR_CPHY_EOT_RECEPTION;
/* Enable the interrupt based on csid debug info set */
if (csid_hw->csid_debug & TFE_CSID_DEBUG_ENABLE_SOT_IRQ)
val |= TFE_CSID_CSI2_RX_INFO_PHY_DL0_SOT_CAPTURED |
@@ -3948,8 +3959,16 @@ irqreturn_t cam_tfe_csid_irq(int irq_num, void *data)
}
if (irq_status[TFE_CSID_IRQ_REG_RX] &
TFE_CSID_CSI2_RX_ERROR_CPHY_EOT_RECEPTION)
TFE_CSID_CSI2_RX_ERROR_CPHY_EOT_RECEPTION) {
if (csid_hw->csi2_rx_cfg.epd_supported)
CAM_DBG(CAM_ISP,
"CSID[%u] Rcvd Only ERROR_EOT for EPD sensor PHY type: %s(%u)",
csid_hw->hw_intf->hw_idx,
(csid_hw->csi2_rx_cfg.lane_type) ? "cphy" : "dphy",
csid_hw->csi2_rx_cfg.lane_type);
else
csid_hw->error_irq_count++;
}
if (irq_status[TFE_CSID_IRQ_REG_RX] &
TFE_CSID_CSI2_RX_ERROR_CPHY_SOT_RECEPTION)

5
drivers/cam_isp/isp_hw_mgr/isp_hw/tfe_csid_hw/cam_tfe_csid_core.h
View File

@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef _CAM_TFE_CSID_HW_H_
@@ -246,6 +246,7 @@ struct cam_tfe_csid_csi2_rx_reg_offset {
uint32_t csi2_irq_mask_all;
uint32_t csi2_misr_enable_shift_val;
uint32_t csi2_vc_mode_shift_val;
uint32_t csi2_rx_epd_mode_shift_en;
uint32_t csi2_capture_long_pkt_en_shift;
uint32_t csi2_capture_short_pkt_en_shift;
uint32_t csi2_capture_cphy_pkt_en_shift;
@@ -350,6 +351,7 @@ struct cam_tfe_csid_hw_info {
* @lane_type: lane type: c-phy or d-phy
* @lane_num : active lane number
* @lane_cfg: lane configurations: 4 bits per lane
* @epd_supported: Flag to check if epd supported
*
*/
struct cam_tfe_csid_csi2_rx_cfg {
@@ -357,6 +359,7 @@ struct cam_tfe_csid_csi2_rx_cfg {
uint32_t lane_type;
uint32_t lane_num;
uint32_t lane_cfg;
uint32_t epd_supported;
};
/**

3
include/uapi/camera/media/cam_tfe.h
View File

@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef __UAPI_CAM_TFE_H__
@@ -104,6 +104,7 @@
#define CAM_ISP_TFE_FLAG_BAYER_BIN BIT(1)
#define CAM_ISP_TFE_FLAG_SHDR_MASTER_EN BIT(2)
#define CAM_ISP_TFE_FLAG_SHDR_SLAVE_EN BIT(3)
#define CAM_ISP_TFE_FLAG_EPD_SUPPORT BIT(4)
/* Query devices */
/**