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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/platform/qcom/camss/camss-csid.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csid.h')
-rw-r--r--drivers/media/platform/qcom/camss/camss-csid.h219
1 files changed, 219 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
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+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -0,0 +1,219 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * camss-csid.h
+ *
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
+ *
+ * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2015-2018 Linaro Ltd.
+ */
+#ifndef QC_MSM_CAMSS_CSID_H
+#define QC_MSM_CAMSS_CSID_H
+
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <media/media-entity.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-mediabus.h>
+#include <media/v4l2-subdev.h>
+
+#define MSM_CSID_PAD_SINK 0
+#define MSM_CSID_PAD_FIRST_SRC 1
+#define MSM_CSID_PADS_NUM 5
+
+#define MSM_CSID_PAD_SRC (MSM_CSID_PAD_FIRST_SRC)
+
+/* CSID hardware can demultiplex up to 4 outputs */
+#define MSM_CSID_MAX_SRC_STREAMS 4
+
+#define DATA_TYPE_EMBEDDED_DATA_8BIT 0x12
+#define DATA_TYPE_YUV420_8BIT 0x18
+#define DATA_TYPE_YUV420_10BIT 0x19
+#define DATA_TYPE_YUV420_8BIT_LEGACY 0x1a
+#define DATA_TYPE_YUV420_8BIT_SHIFTED 0x1c /* Chroma Shifted Pixel Sampling */
+#define DATA_TYPE_YUV420_10BIT_SHIFTED 0x1d /* Chroma Shifted Pixel Sampling */
+#define DATA_TYPE_YUV422_8BIT 0x1e
+#define DATA_TYPE_YUV422_10BIT 0x1f
+#define DATA_TYPE_RGB444 0x20
+#define DATA_TYPE_RGB555 0x21
+#define DATA_TYPE_RGB565 0x22
+#define DATA_TYPE_RGB666 0x23
+#define DATA_TYPE_RGB888 0x24
+#define DATA_TYPE_RAW_24BIT 0x27
+#define DATA_TYPE_RAW_6BIT 0x28
+#define DATA_TYPE_RAW_7BIT 0x29
+#define DATA_TYPE_RAW_8BIT 0x2a
+#define DATA_TYPE_RAW_10BIT 0x2b
+#define DATA_TYPE_RAW_12BIT 0x2c
+#define DATA_TYPE_RAW_14BIT 0x2d
+#define DATA_TYPE_RAW_16BIT 0x2e
+#define DATA_TYPE_RAW_20BIT 0x2f
+
+#define CSID_RESET_TIMEOUT_MS 500
+
+enum csid_testgen_mode {
+ CSID_PAYLOAD_MODE_DISABLED = 0,
+ CSID_PAYLOAD_MODE_INCREMENTING = 1,
+ CSID_PAYLOAD_MODE_ALTERNATING_55_AA = 2,
+ CSID_PAYLOAD_MODE_ALL_ZEROES = 3,
+ CSID_PAYLOAD_MODE_ALL_ONES = 4,
+ CSID_PAYLOAD_MODE_RANDOM = 5,
+ CSID_PAYLOAD_MODE_USER_SPECIFIED = 6,
+ CSID_PAYLOAD_MODE_NUM_SUPPORTED_GEN1 = 6, /* excluding disabled */
+ CSID_PAYLOAD_MODE_COMPLEX_PATTERN = 7,
+ CSID_PAYLOAD_MODE_COLOR_BOX = 8,
+ CSID_PAYLOAD_MODE_COLOR_BARS = 9,
+ CSID_PAYLOAD_MODE_NUM_SUPPORTED_GEN2 = 9, /* excluding disabled */
+};
+
+struct csid_format {
+ u32 code;
+ u8 data_type;
+ u8 decode_format;
+ u8 bpp;
+ u8 spp; /* bus samples per pixel */
+};
+
+struct csid_testgen_config {
+ enum csid_testgen_mode mode;
+ const char * const*modes;
+ u8 nmodes;
+ u8 enabled;
+};
+
+struct csid_phy_config {
+ u8 csiphy_id;
+ u8 lane_cnt;
+ u32 lane_assign;
+ u32 en_vc;
+ u8 need_vc_update;
+};
+
+struct csid_device;
+
+struct csid_hw_ops {
+ /*
+ * configure_stream - Configures and starts CSID input stream
+ * @csid: CSID device
+ */
+ void (*configure_stream)(struct csid_device *csid, u8 enable);
+
+ /*
+ * configure_testgen_pattern - Validates and configures output pattern mode
+ * of test pattern generator
+ * @csid: CSID device
+ */
+ int (*configure_testgen_pattern)(struct csid_device *csid, s32 val);
+
+ /*
+ * hw_version - Read hardware version register from hardware
+ * @csid: CSID device
+ */
+ u32 (*hw_version)(struct csid_device *csid);
+
+ /*
+ * isr - CSID module interrupt service routine
+ * @irq: Interrupt line
+ * @dev: CSID device
+ *
+ * Return IRQ_HANDLED on success
+ */
+ irqreturn_t (*isr)(int irq, void *dev);
+
+ /*
+ * reset - Trigger reset on CSID module and wait to complete
+ * @csid: CSID device
+ *
+ * Return 0 on success or a negative error code otherwise
+ */
+ int (*reset)(struct csid_device *csid);
+
+ /*
+ * src_pad_code - Pick an output/src format based on the input/sink format
+ * @csid: CSID device
+ * @sink_code: The sink format of the input
+ * @match_format_idx: Request preferred index, as defined by subdevice csid_format.
+ * Set @match_code to 0 if used.
+ * @match_code: Request preferred code, set @match_format_idx to 0 if used
+ *
+ * Return 0 on failure or src format code otherwise
+ */
+ u32 (*src_pad_code)(struct csid_device *csid, u32 sink_code,
+ unsigned int match_format_idx, u32 match_code);
+
+ /*
+ * subdev_init - Initialize CSID device according for hardware revision
+ * @csid: CSID device
+ */
+ void (*subdev_init)(struct csid_device *csid);
+};
+
+struct csid_device {
+ struct camss *camss;
+ u8 id;
+ struct v4l2_subdev subdev;
+ struct media_pad pads[MSM_CSID_PADS_NUM];
+ void __iomem *base;
+ u32 irq;
+ char irq_name[30];
+ struct camss_clock *clock;
+ int nclocks;
+ struct regulator_bulk_data *supplies;
+ int num_supplies;
+ struct completion reset_complete;
+ struct csid_testgen_config testgen;
+ struct csid_phy_config phy;
+ struct v4l2_mbus_framefmt fmt[MSM_CSID_PADS_NUM];
+ struct v4l2_ctrl_handler ctrls;
+ struct v4l2_ctrl *testgen_mode;
+ const struct csid_format *formats;
+ unsigned int nformats;
+ const struct csid_hw_ops *ops;
+};
+
+struct resources;
+
+/*
+ * csid_find_code - Find a format code in an array using array index or format code
+ * @codes: Array of format codes
+ * @ncodes: Length of @code array
+ * @req_format_idx: Request preferred index, as defined by subdevice csid_format.
+ * Set @match_code to 0 if used.
+ * @match_code: Request preferred code, set @req_format_idx to 0 if used
+ *
+ * Return 0 on failure or format code otherwise
+ */
+u32 csid_find_code(u32 *codes, unsigned int ncode,
+ unsigned int match_format_idx, u32 match_code);
+
+/*
+ * csid_get_fmt_entry - Find csid_format entry with matching format code
+ * @formats: Array of format csid_format entries
+ * @nformats: Length of @nformats array
+ * @code: Desired format code
+ *
+ * Return formats[0] on failure to find code
+ */
+const struct csid_format *csid_get_fmt_entry(const struct csid_format *formats,
+ unsigned int nformats,
+ u32 code);
+
+int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
+ const struct resources *res, u8 id);
+
+int msm_csid_register_entity(struct csid_device *csid,
+ struct v4l2_device *v4l2_dev);
+
+void msm_csid_unregister_entity(struct csid_device *csid);
+
+void msm_csid_get_csid_id(struct media_entity *entity, u8 *id);
+
+extern const char * const csid_testgen_modes[];
+
+extern const struct csid_hw_ops csid_ops_4_1;
+extern const struct csid_hw_ops csid_ops_4_7;
+extern const struct csid_hw_ops csid_ops_gen2;
+
+
+#endif /* QC_MSM_CAMSS_CSID_H */