Re: [PATCH v5 09/22] media: camss: Refactor CSID HW version support
From: Andrey Konovalov
Date: Sun Feb 21 2021 - 12:54:26 EST
Hi Robert,
After reviewing the [PATCH v5 10/22], I noticed that this patch also
has a problematic test_pattern control implementation.
See below.
On 21.02.2021 18:15, Andrey Konovalov wrote:
Hi Robert,
Thank you for your patch!
Reviewed-by: Andrey Konovalov <andrey.konovalov@xxxxxxxxxx>
Thanks,
Andrey
On 17.02.2021 14:21, Robert Foss wrote:
In order to support Qualcomm ISP hardware architectures that diverge
from older architectures, the CSID subdevice drivers needs to be refactored
to better abstract the different ISP hardware architectures.
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
---
Changes since v1
- kernel test robot: Add missing include, interrupt.h
Changes since v4
- Andrey: Removed whitespace from some includes
- Andrey: Removed unused enum
drivers/media/platform/qcom/camss/Makefile | 2 +
.../platform/qcom/camss/camss-csid-4-1.c | 330 ++++++++++
.../platform/qcom/camss/camss-csid-4-7.c | 406 ++++++++++++
.../media/platform/qcom/camss/camss-csid.c | 616 +-----------------
.../media/platform/qcom/camss/camss-csid.h | 126 +++-
5 files changed, 890 insertions(+), 590 deletions(-)
create mode 100644 drivers/media/platform/qcom/camss/camss-csid-4-1.c
create mode 100644 drivers/media/platform/qcom/camss/camss-csid-4-7.c
diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile
index 052c4f405fa3..cff388b653ba 100644
--- a/drivers/media/platform/qcom/camss/Makefile
+++ b/drivers/media/platform/qcom/camss/Makefile
@@ -4,6 +4,8 @@
qcom-camss-objs += \
camss.o \
camss-csid.o \
+ camss-csid-4-1.o \
+ camss-csid-4-7.o \
camss-csiphy-2ph-1-0.o \
camss-csiphy-3ph-1-0.o \
camss-csiphy.o \
diff --git a/drivers/media/platform/qcom/camss/camss-csid-4-1.c b/drivers/media/platform/qcom/camss/camss-csid-4-1.c
new file mode 100644
index 000000000000..c92077a7f758
--- /dev/null
+++ b/drivers/media/platform/qcom/camss/camss-csid-4-1.c
@@ -0,0 +1,330 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * camss-csid-4-1.c
+ *
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
+ *
+ * Copyright (C) 2020 Linaro Ltd.
+ */
+
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+
+#include "camss-csid.h"
+#include "camss.h"
+
+#define CAMSS_CSID_HW_VERSION 0x0
+#define CAMSS_CSID_CORE_CTRL_0 0x004
+#define CAMSS_CSID_CORE_CTRL_1 0x008
+#define CAMSS_CSID_RST_CMD 0x00c
+#define CAMSS_CSID_CID_LUT_VC_n(n) (0x010 + 0x4 * (n))
+#define CAMSS_CSID_CID_n_CFG(n) (0x020 + 0x4 * (n))
+#define CAMSS_CSID_CID_n_CFG_ISPIF_EN BIT(0)
+#define CAMSS_CSID_CID_n_CFG_RDI_EN BIT(1)
+#define CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT 4
+#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_8 (0 << 8)
+#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16 (1 << 8)
+#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB (0 << 9)
+#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_MSB (1 << 9)
+#define CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP (0 << 10)
+#define CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING (1 << 10)
+#define CAMSS_CSID_IRQ_CLEAR_CMD 0x060
+#define CAMSS_CSID_IRQ_MASK 0x064
+#define CAMSS_CSID_IRQ_STATUS 0x068
+#define CAMSS_CSID_TG_CTRL 0x0a0
+#define CAMSS_CSID_TG_CTRL_DISABLE 0xa06436
+#define CAMSS_CSID_TG_CTRL_ENABLE 0xa06437
+#define CAMSS_CSID_TG_VC_CFG 0x0a4
+#define CAMSS_CSID_TG_VC_CFG_H_BLANKING 0x3ff
+#define CAMSS_CSID_TG_VC_CFG_V_BLANKING 0x7f
+#define CAMSS_CSID_TG_DT_n_CGG_0(n) (0x0ac + 0xc * (n))
+#define CAMSS_CSID_TG_DT_n_CGG_1(n) (0x0b0 + 0xc * (n))
+#define CAMSS_CSID_TG_DT_n_CGG_2(n) (0x0b4 + 0xc * (n))
+
+
+static const struct csid_format csid_formats[] = {
+ {
+ MEDIA_BUS_FMT_UYVY8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_VYUY8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_YUYV8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_YVYU8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_Y10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+};
+
+static void csid_configure_stream(struct csid_device *csid, u8 enable)
+{
+ struct csid_testgen_config *tg = &csid->testgen;
+ u32 val;
+
+ if (enable) {
+ struct v4l2_mbus_framefmt *input_format;
+ const struct csid_format *format;
+ u8 vc = 0; /* Virtual Channel 0 */
+ u8 cid = vc * 4; /* id of Virtual Channel and Data Type set */
+ u8 dt_shift;
+
+ if (tg->enabled) {
+ /* Config Test Generator */
+ u32 num_lines, num_bytes_per_line;
+
+ input_format = &csid->fmt[MSM_CSID_PAD_SRC];
+ format = csid_get_fmt_entry(csid->formats, csid->nformats,
+ input_format->code);
+ num_bytes_per_line = input_format->width * format->bpp * format->spp / 8;
+ num_lines = input_format->height;
+
+ /* 31:24 V blank, 23:13 H blank, 3:2 num of active DT */
+ /* 1:0 VC */
+ val = ((CAMSS_CSID_TG_VC_CFG_V_BLANKING & 0xff) << 24) |
+ ((CAMSS_CSID_TG_VC_CFG_H_BLANKING & 0x7ff) << 13);
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_VC_CFG);
+
+ /* 28:16 bytes per lines, 12:0 num of lines */
+ val = ((num_bytes_per_line & 0x1fff) << 16) |
+ (num_lines & 0x1fff);
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_DT_n_CGG_0(0));
+
+ /* 5:0 data type */
+ val = format->data_type;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_DT_n_CGG_1(0));
+
+ /* 2:0 output test pattern */
+ val = tg->mode;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_DT_n_CGG_2(0));
+ } else {
+ struct csid_phy_config *phy = &csid->phy;
+
+ input_format = &csid->fmt[MSM_CSID_PAD_SINK];
+ format = csid_get_fmt_entry(csid->formats, csid->nformats,
+ input_format->code);
+
+ val = phy->lane_cnt - 1;
+ val |= phy->lane_assign << 4;
+
+ writel_relaxed(val, csid->base + CAMSS_CSID_CORE_CTRL_0);
+
+ val = phy->csiphy_id << 17;
+ val |= 0x9;
+
+ writel_relaxed(val, csid->base + CAMSS_CSID_CORE_CTRL_1);
+ }
+
+ /* Config LUT */
+
+ dt_shift = (cid % 4) * 8;
+ val = readl_relaxed(csid->base + CAMSS_CSID_CID_LUT_VC_n(vc));
+ val &= ~(0xff << dt_shift);
+ val |= format->data_type << dt_shift;
+ writel_relaxed(val, csid->base + CAMSS_CSID_CID_LUT_VC_n(vc));
+
+ val = CAMSS_CSID_CID_n_CFG_ISPIF_EN;
+ val |= CAMSS_CSID_CID_n_CFG_RDI_EN;
+ val |= format->decode_format << CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT;
+ val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP;
+ writel_relaxed(val, csid->base + CAMSS_CSID_CID_n_CFG(cid));
+
+ if (tg->enabled) {
+ val = CAMSS_CSID_TG_CTRL_ENABLE;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_CTRL);
+ }
+ } else {
+ if (tg->enabled) {
+ val = CAMSS_CSID_TG_CTRL_DISABLE;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_CTRL);
+ }
+ }
+}
+
+static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val)
+{
+ s32 regval = val - 1;
+
+ if (regval > 0 || regval <= CSID_PAYLOAD_MODE_MAX_SUPPORTED_4_1)
+ csid->testgen.mode = regval;
regval of 0 is the valid "Incrementing" test pattern. The condition above
should be "regval >= 0", not "regval > 0".
+
+ return 0;
+}
+
+static u32 csid_hw_version(struct csid_device *csid)
+{
+ u32 hw_version = readl_relaxed(csid->base + CAMSS_CSID_HW_VERSION);
+
+ dev_dbg(csid->camss->dev, "CSID HW Version = 0x%08x\n", hw_version);
+
+ return hw_version;
+}
+
+static irqreturn_t csid_isr(int irq, void *dev)
+{
+ struct csid_device *csid = dev;
+ u32 value;
+
+ value = readl_relaxed(csid->base + CAMSS_CSID_IRQ_STATUS);
+ writel_relaxed(value, csid->base + CAMSS_CSID_IRQ_CLEAR_CMD);
+
+ if ((value >> 11) & 0x1)
+ complete(&csid->reset_complete);
+
+ return IRQ_HANDLED;
+}
+
+static int csid_reset(struct csid_device *csid)
+{
+ unsigned long time;
+
+ reinit_completion(&csid->reset_complete);
+
+ writel_relaxed(0x7fff, csid->base + CAMSS_CSID_RST_CMD);
+
+ time = wait_for_completion_timeout(&csid->reset_complete,
+ msecs_to_jiffies(CSID_RESET_TIMEOUT_MS));
+ if (!time) {
+ dev_err(csid->camss->dev, "CSID reset timeout\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
+ unsigned int match_format_idx, u32 match_code)
+{
+ if (match_format_idx > 0)
+ return 0;
+
+ return sink_code;
+}
+
+static void csid_subdev_init(struct csid_device *csid)
+{
+ csid->formats = csid_formats;
+ csid->nformats = ARRAY_SIZE(csid_formats);
+ csid->testgen.modes = csid_testgen_modes;
+ csid->testgen.nmodes = CSID_PAYLOAD_MODE_MAX_SUPPORTED_4_1;
+}
+
+const struct csid_hw_ops csid_ops_4_1 = {
+ .configure_stream = csid_configure_stream,
+ .configure_testgen_pattern = csid_configure_testgen_pattern,
+ .hw_version = csid_hw_version,
+ .isr = csid_isr,
+ .reset = csid_reset,
+ .src_pad_code = csid_src_pad_code,
+ .subdev_init = csid_subdev_init,
+};
diff --git a/drivers/media/platform/qcom/camss/camss-csid-4-7.c b/drivers/media/platform/qcom/camss/camss-csid-4-7.c
new file mode 100644
index 000000000000..16a69b140f4e
--- /dev/null
+++ b/drivers/media/platform/qcom/camss/camss-csid-4-7.c
@@ -0,0 +1,406 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * camss-csid-4-7.c
+ *
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
+ *
+ * Copyright (C) 2020 Linaro Ltd.
+ */
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+
+#include "camss-csid.h"
+#include "camss.h"
+
+#define CAMSS_CSID_HW_VERSION 0x0
+#define CAMSS_CSID_CORE_CTRL_0 0x004
+#define CAMSS_CSID_CORE_CTRL_1 0x008
+#define CAMSS_CSID_RST_CMD 0x010
+#define CAMSS_CSID_CID_LUT_VC_n(n) (0x014 + 0x4 * (n))
+#define CAMSS_CSID_CID_n_CFG(n) (0x024 + 0x4 * (n))
+#define CAMSS_CSID_CID_n_CFG_ISPIF_EN BIT(0)
+#define CAMSS_CSID_CID_n_CFG_RDI_EN BIT(1)
+#define CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT 4
+#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_8 (0 << 8)
+#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16 (1 << 8)
+#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB (0 << 9)
+#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_MSB (1 << 9)
+#define CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP (0 << 10)
+#define CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING (1 << 10)
+#define CAMSS_CSID_IRQ_CLEAR_CMD 0x064
+#define CAMSS_CSID_IRQ_MASK 0x068
+#define CAMSS_CSID_IRQ_STATUS 0x06c
+#define CAMSS_CSID_TG_CTRL 0x0a8
+#define CAMSS_CSID_TG_CTRL_DISABLE 0xa06436
+#define CAMSS_CSID_TG_CTRL_ENABLE 0xa06437
+#define CAMSS_CSID_TG_VC_CFG 0x0ac
+#define CAMSS_CSID_TG_VC_CFG_H_BLANKING 0x3ff
+#define CAMSS_CSID_TG_VC_CFG_V_BLANKING 0x7f
+#define CAMSS_CSID_TG_DT_n_CGG_0(n) (0x0b4 + 0xc * (n))
+#define CAMSS_CSID_TG_DT_n_CGG_1(n) (0x0b8 + 0xc * (n))
+#define CAMSS_CSID_TG_DT_n_CGG_2(n) (0x0bc + 0xc * (n))
+
+
+static const struct csid_format csid_formats[] = {
+ {
+ MEDIA_BUS_FMT_UYVY8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_VYUY8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_YUYV8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_YVYU8_2X8,
+ DATA_TYPE_YUV422_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 2,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB8_1X8,
+ DATA_TYPE_RAW_8BIT,
+ DECODE_FORMAT_UNCOMPRESSED_8_BIT,
+ 8,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB12_1X12,
+ DATA_TYPE_RAW_12BIT,
+ DECODE_FORMAT_UNCOMPRESSED_12_BIT,
+ 12,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SBGGR14_1X14,
+ DATA_TYPE_RAW_14BIT,
+ DECODE_FORMAT_UNCOMPRESSED_14_BIT,
+ 14,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGBRG14_1X14,
+ DATA_TYPE_RAW_14BIT,
+ DECODE_FORMAT_UNCOMPRESSED_14_BIT,
+ 14,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SGRBG14_1X14,
+ DATA_TYPE_RAW_14BIT,
+ DECODE_FORMAT_UNCOMPRESSED_14_BIT,
+ 14,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_SRGGB14_1X14,
+ DATA_TYPE_RAW_14BIT,
+ DECODE_FORMAT_UNCOMPRESSED_14_BIT,
+ 14,
+ 1,
+ },
+ {
+ MEDIA_BUS_FMT_Y10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
+};
+
+static void csid_configure_stream(struct csid_device *csid, u8 enable)
+{
+ struct csid_testgen_config *tg = &csid->testgen;
+ u32 sink_code = csid->fmt[MSM_CSID_PAD_SINK].code;
+ u32 src_code = csid->fmt[MSM_CSID_PAD_SRC].code;
+ u32 val;
+
+ if (enable) {
+ struct v4l2_mbus_framefmt *input_format;
+ const struct csid_format *format;
+ u8 vc = 0; /* Virtual Channel 0 */
+ u8 cid = vc * 4; /* id of Virtual Channel and Data Type set */
+ u8 dt_shift;
+
+ if (tg->enabled) {
+ /* Config Test Generator */
+ u32 num_bytes_per_line, num_lines;
+
+ input_format = &csid->fmt[MSM_CSID_PAD_SRC];
+ format = csid_get_fmt_entry(csid->formats, csid->nformats,
+ input_format->code);
+ num_bytes_per_line = input_format->width * format->bpp * format->spp / 8;
+ num_lines = input_format->height;
+
+ /* 31:24 V blank, 23:13 H blank, 3:2 num of active DT */
+ /* 1:0 VC */
+ val = ((CAMSS_CSID_TG_VC_CFG_V_BLANKING & 0xff) << 24) |
+ ((CAMSS_CSID_TG_VC_CFG_H_BLANKING & 0x7ff) << 13);
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_VC_CFG);
+
+ /* 28:16 bytes per lines, 12:0 num of lines */
+ val = ((num_bytes_per_line & 0x1fff) << 16) |
+ (num_lines & 0x1fff);
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_DT_n_CGG_0(0));
+
+ /* 5:0 data type */
+ val = format->data_type;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_DT_n_CGG_1(0));
+
+ /* 2:0 output test pattern */
+ val = tg->mode;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_DT_n_CGG_2(0));
+ } else {
+ struct csid_phy_config *phy = &csid->phy;
+
+ input_format = &csid->fmt[MSM_CSID_PAD_SINK];
+ format = csid_get_fmt_entry(csid->formats, csid->nformats,
+ input_format->code);
+
+ val = phy->lane_cnt - 1;
+ val |= phy->lane_assign << 4;
+
+ writel_relaxed(val, csid->base + CAMSS_CSID_CORE_CTRL_0);
+
+ val = phy->csiphy_id << 17;
+ val |= 0x9;
+
+ writel_relaxed(val, csid->base + CAMSS_CSID_CORE_CTRL_1);
+ }
+
+ /* Config LUT */
+
+ dt_shift = (cid % 4) * 8;
+
+ val = readl_relaxed(csid->base + CAMSS_CSID_CID_LUT_VC_n(vc));
+ val &= ~(0xff << dt_shift);
+ val |= format->data_type << dt_shift;
+ writel_relaxed(val, csid->base + CAMSS_CSID_CID_LUT_VC_n(vc));
+
+ val = CAMSS_CSID_CID_n_CFG_ISPIF_EN;
+ val |= CAMSS_CSID_CID_n_CFG_RDI_EN;
+ val |= format->decode_format << CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT;
+ val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP;
+
+ if ((sink_code == MEDIA_BUS_FMT_SBGGR10_1X10 &&
+ src_code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) ||
+ (sink_code == MEDIA_BUS_FMT_Y10_1X10 &&
+ src_code == MEDIA_BUS_FMT_Y10_2X8_PADHI_LE)) {
+ val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING;
+ val |= CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16;
+ val |= CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB;
+ }
+
+ writel_relaxed(val, csid->base + CAMSS_CSID_CID_n_CFG(cid));
+
+ if (tg->enabled) {
+ val = CAMSS_CSID_TG_CTRL_ENABLE;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_CTRL);
+ }
+ } else {
+ if (tg->enabled) {
+ val = CAMSS_CSID_TG_CTRL_DISABLE;
+ writel_relaxed(val, csid->base + CAMSS_CSID_TG_CTRL);
+ }
+ }
+}
+
+static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val)
+{
+ s32 regval = val - 1;
+
+ if (regval > 0 || regval <= CSID_PAYLOAD_MODE_MAX_SUPPORTED_4_7)
+ csid->testgen.mode = regval;
regval of 0 is the valid "Incrementing" test pattern. The condition above
should be "regval >= 0", not "regval > 0".
+ return 0;
+}
+
+static u32 csid_hw_version(struct csid_device *csid)
+{
+ u32 hw_version = readl_relaxed(csid->base + CAMSS_CSID_HW_VERSION);
+
+ dev_dbg(csid->camss->dev, "CSID HW Version = 0x%08x\n", hw_version);
+
+ return hw_version;
+}
+
+/*
+ * isr - CSID module interrupt service routine
+ * @irq: Interrupt line
+ * @dev: CSID device
+ *
+ * Return IRQ_HANDLED on success
+ */
+static irqreturn_t csid_isr(int irq, void *dev)
+{
+ struct csid_device *csid = dev;
+ u32 value;
+
+ value = readl_relaxed(csid->base + CAMSS_CSID_IRQ_STATUS);
+ writel_relaxed(value, csid->base + CAMSS_CSID_IRQ_CLEAR_CMD);
+
+ if ((value >> 11) & 0x1)
+ complete(&csid->reset_complete);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * csid_reset - Trigger reset on CSID module and wait to complete
+ * @csid: CSID device
+ *
+ * Return 0 on success or a negative error code otherwise
+ */
+static int csid_reset(struct csid_device *csid)
+{
+ unsigned long time;
+
+ reinit_completion(&csid->reset_complete);
+
+ writel_relaxed(0x7fff, csid->base + CAMSS_CSID_RST_CMD);
+
+ time = wait_for_completion_timeout(&csid->reset_complete,
+ msecs_to_jiffies(CSID_RESET_TIMEOUT_MS));
+ if (!time) {
+ dev_err(csid->camss->dev, "CSID reset timeout\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
+ unsigned int match_format_idx, u32 match_code)
+{
+ switch (sink_code) {
+ case MEDIA_BUS_FMT_SBGGR10_1X10:
+ {
+ u32 src_code[] = {
+ MEDIA_BUS_FMT_SBGGR10_1X10,
+ MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE,
+ };
+
+ return csid_find_code(src_code, ARRAY_SIZE(src_code),
+ match_format_idx, match_code);
+ }
+ case MEDIA_BUS_FMT_Y10_1X10:
+ {
+ u32 src_code[] = {
+ MEDIA_BUS_FMT_Y10_1X10,
+ MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
+ };
+
+ return csid_find_code(src_code, ARRAY_SIZE(src_code),
+ match_format_idx, match_code);
+ }
+ default:
+ if (match_format_idx > 0)
+ return 0;
+
+ return sink_code;
+ }
+}
+
+static void csid_subdev_init(struct csid_device *csid)
+{
+ csid->formats = csid_formats;
+ csid->nformats = ARRAY_SIZE(csid_formats);
+ csid->testgen.modes = csid_testgen_modes;
+ csid->testgen.nmodes = CSID_PAYLOAD_MODE_MAX_SUPPORTED_4_7;
+}
+
+const struct csid_hw_ops csid_ops_4_7 = {
+ .configure_stream = csid_configure_stream,
+ .configure_testgen_pattern = csid_configure_testgen_pattern,
+ .hw_version = csid_hw_version,
+ .isr = csid_isr,
+ .reset = csid_reset,
+ .src_pad_code = csid_src_pad_code,
+ .subdev_init = csid_subdev_init,
+};
diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index be3fe76f3dc3..601bd810f2b0 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -26,405 +26,35 @@
#define MSM_CSID_NAME "msm_csid"
-#define CAMSS_CSID_HW_VERSION 0x0
-#define CAMSS_CSID_CORE_CTRL_0 0x004
-#define CAMSS_CSID_CORE_CTRL_1 0x008
-#define CAMSS_CSID_RST_CMD(v) ((v) == CAMSS_8x16 ? 0x00c : 0x010)
-#define CAMSS_CSID_CID_LUT_VC_n(v, n) \
- (((v) == CAMSS_8x16 ? 0x010 : 0x014) + 0x4 * (n))
-#define CAMSS_CSID_CID_n_CFG(v, n) \
- (((v) == CAMSS_8x16 ? 0x020 : 0x024) + 0x4 * (n))
-#define CAMSS_CSID_CID_n_CFG_ISPIF_EN BIT(0)
-#define CAMSS_CSID_CID_n_CFG_RDI_EN BIT(1)
-#define CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT 4
-#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_8 (0 << 8)
-#define CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16 (1 << 8)
-#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB (0 << 9)
-#define CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_MSB (1 << 9)
-#define CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP (0 << 10)
-#define CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING (1 << 10)
-#define CAMSS_CSID_IRQ_CLEAR_CMD(v) ((v) == CAMSS_8x16 ? 0x060 : 0x064)
-#define CAMSS_CSID_IRQ_MASK(v) ((v) == CAMSS_8x16 ? 0x064 : 0x068)
-#define CAMSS_CSID_IRQ_STATUS(v) ((v) == CAMSS_8x16 ? 0x068 : 0x06c)
-#define CAMSS_CSID_TG_CTRL(v) ((v) == CAMSS_8x16 ? 0x0a0 : 0x0a8)
-#define CAMSS_CSID_TG_CTRL_DISABLE 0xa06436
-#define CAMSS_CSID_TG_CTRL_ENABLE 0xa06437
-#define CAMSS_CSID_TG_VC_CFG(v) ((v) == CAMSS_8x16 ? 0x0a4 : 0x0ac)
-#define CAMSS_CSID_TG_VC_CFG_H_BLANKING 0x3ff
-#define CAMSS_CSID_TG_VC_CFG_V_BLANKING 0x7f
-#define CAMSS_CSID_TG_DT_n_CGG_0(v, n) \
- (((v) == CAMSS_8x16 ? 0x0ac : 0x0b4) + 0xc * (n))
-#define CAMSS_CSID_TG_DT_n_CGG_1(v, n) \
- (((v) == CAMSS_8x16 ? 0x0b0 : 0x0b8) + 0xc * (n))
-#define CAMSS_CSID_TG_DT_n_CGG_2(v, n) \
- (((v) == CAMSS_8x16 ? 0x0b4 : 0x0bc) + 0xc * (n))
-
-#define DATA_TYPE_EMBEDDED_DATA_8BIT 0x12
-#define DATA_TYPE_YUV422_8BIT 0x1e
-#define DATA_TYPE_RAW_6BIT 0x28
-#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 DECODE_FORMAT_UNCOMPRESSED_6_BIT 0x0
-#define DECODE_FORMAT_UNCOMPRESSED_8_BIT 0x1
-#define DECODE_FORMAT_UNCOMPRESSED_10_BIT 0x2
-#define DECODE_FORMAT_UNCOMPRESSED_12_BIT 0x3
-#define DECODE_FORMAT_UNCOMPRESSED_14_BIT 0x8
-
-#define CSID_RESET_TIMEOUT_MS 500
-
-struct csid_format {
- u32 code;
- u8 data_type;
- u8 decode_format;
- u8 bpp;
- u8 spp; /* bus samples per pixel */
-};
-
-static const struct csid_format csid_formats_8x16[] = {
- {
- MEDIA_BUS_FMT_UYVY8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_VYUY8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_YUYV8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_YVYU8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_SBGGR8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SBGGR10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SBGGR12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_Y10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
-};
-
-static const struct csid_format csid_formats_8x96[] = {
- {
- MEDIA_BUS_FMT_UYVY8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_VYUY8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_YUYV8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_YVYU8_2X8,
- DATA_TYPE_YUV422_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 2,
- },
- {
- MEDIA_BUS_FMT_SBGGR8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB8_1X8,
- DATA_TYPE_RAW_8BIT,
- DECODE_FORMAT_UNCOMPRESSED_8_BIT,
- 8,
- 1,
- },
- {
- MEDIA_BUS_FMT_SBGGR10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
- {
- MEDIA_BUS_FMT_SBGGR12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB12_1X12,
- DATA_TYPE_RAW_12BIT,
- DECODE_FORMAT_UNCOMPRESSED_12_BIT,
- 12,
- 1,
- },
- {
- MEDIA_BUS_FMT_SBGGR14_1X14,
- DATA_TYPE_RAW_14BIT,
- DECODE_FORMAT_UNCOMPRESSED_14_BIT,
- 14,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGBRG14_1X14,
- DATA_TYPE_RAW_14BIT,
- DECODE_FORMAT_UNCOMPRESSED_14_BIT,
- 14,
- 1,
- },
- {
- MEDIA_BUS_FMT_SGRBG14_1X14,
- DATA_TYPE_RAW_14BIT,
- DECODE_FORMAT_UNCOMPRESSED_14_BIT,
- 14,
- 1,
- },
- {
- MEDIA_BUS_FMT_SRGGB14_1X14,
- DATA_TYPE_RAW_14BIT,
- DECODE_FORMAT_UNCOMPRESSED_14_BIT,
- 14,
- 1,
- },
- {
- MEDIA_BUS_FMT_Y10_1X10,
- DATA_TYPE_RAW_10BIT,
- DECODE_FORMAT_UNCOMPRESSED_10_BIT,
- 10,
- 1,
- },
-};
-static u32 csid_find_code(u32 *code, unsigned int n_code,
- unsigned int index, u32 req_code)
+u32 csid_find_code(u32 *codes, unsigned int ncodes,
+ unsigned int match_format_idx, u32 match_code)
{
int i;
- if (!req_code && (index >= n_code))
+ if (!match_code && (match_format_idx >= ncodes))
return 0;
- for (i = 0; i < n_code; i++)
- if (req_code) {
- if (req_code == code[i])
- return req_code;
+ for (i = 0; i < ncodes; i++)
+ if (match_code) {
+ if (codes[i] == match_code)
+ return match_code;
} else {
- if (i == index)
- return code[i];
- }
-
- return code[0];
-}
-
-static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
- unsigned int index, u32 src_req_code)
-{
- if (csid->camss->version == CAMSS_8x16) {
- if (index > 0)
- return 0;
-
- return sink_code;
- } else if (csid->camss->version == CAMSS_8x96 ||
- csid->camss->version == CAMSS_660) {
- switch (sink_code) {
- case MEDIA_BUS_FMT_SBGGR10_1X10:
- {
- u32 src_code[] = {
- MEDIA_BUS_FMT_SBGGR10_1X10,
- MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE,
- };
-
- return csid_find_code(src_code, ARRAY_SIZE(src_code),
- index, src_req_code);
- }
- case MEDIA_BUS_FMT_Y10_1X10:
- {
- u32 src_code[] = {
- MEDIA_BUS_FMT_Y10_1X10,
- MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
- };
-
- return csid_find_code(src_code, ARRAY_SIZE(src_code),
- index, src_req_code);
+ if (i == match_format_idx)
+ return codes[i];
}
- default:
- if (index > 0)
- return 0;
- return sink_code;
- }
- } else {
- return 0;
- }
+ return codes[0];
}
-static const struct csid_format *csid_get_fmt_entry(
+const struct csid_format *csid_get_fmt_entry(
const struct csid_format *formats,
- unsigned int nformat,
+ unsigned int nformats,
u32 code)
{
unsigned int i;
- for (i = 0; i < nformat; i++)
+ for (i = 0; i < nformats; i++)
if (code == formats[i].code)
return &formats[i];
@@ -433,28 +63,6 @@ static const struct csid_format *csid_get_fmt_entry(
return &formats[0];
}
-/*
- * csid_isr - CSID module interrupt handler
- * @irq: Interrupt line
- * @dev: CSID device
- *
- * Return IRQ_HANDLED on success
- */
-static irqreturn_t csid_isr(int irq, void *dev)
-{
- struct csid_device *csid = dev;
- enum camss_version ver = csid->camss->version;
- u32 value;
-
- value = readl_relaxed(csid->base + CAMSS_CSID_IRQ_STATUS(ver));
- writel_relaxed(value, csid->base + CAMSS_CSID_IRQ_CLEAR_CMD(ver));
-
- if ((value >> 11) & 0x1)
- complete(&csid->reset_complete);
-
- return IRQ_HANDLED;
-}
-
/*
* csid_set_clock_rates - Calculate and set clock rates on CSID module
* @csiphy: CSID device
@@ -521,31 +129,6 @@ static int csid_set_clock_rates(struct csid_device *csid)
return 0;
}
-/*
- * csid_reset - Trigger reset on CSID module and wait to complete
- * @csid: CSID device
- *
- * Return 0 on success or a negative error code otherwise
- */
-static int csid_reset(struct csid_device *csid)
-{
- unsigned long time;
-
- reinit_completion(&csid->reset_complete);
-
- writel_relaxed(0x7fff, csid->base +
- CAMSS_CSID_RST_CMD(csid->camss->version));
-
- time = wait_for_completion_timeout(&csid->reset_complete,
- msecs_to_jiffies(CSID_RESET_TIMEOUT_MS));
- if (!time) {
- dev_err(csid->camss->dev, "CSID reset timeout\n");
- return -EIO;
- }
-
- return 0;
-}
-
/*
* csid_set_power - Power on/off CSID module
* @sd: CSID V4L2 subdevice
@@ -560,8 +143,6 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
int ret;
if (on) {
- u32 hw_version;
-
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
pm_runtime_put_sync(dev);
@@ -590,7 +171,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
enable_irq(csid->irq);
- ret = csid_reset(csid);
+ ret = csid->ops->reset(csid);
if (ret < 0) {
disable_irq(csid->irq);
camss_disable_clocks(csid->nclocks, csid->clock);
@@ -599,8 +180,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
return ret;
}
- hw_version = readl_relaxed(csid->base + CAMSS_CSID_HW_VERSION);
- dev_dbg(dev, "CSID HW Version = 0x%08x\n", hw_version);
+ csid->ops->hw_version(csid);
} else {
disable_irq(csid->irq);
camss_disable_clocks(csid->nclocks, csid->clock);
@@ -623,16 +203,9 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
static int csid_set_stream(struct v4l2_subdev *sd, int enable)
{
struct csid_device *csid = v4l2_get_subdevdata(sd);
- struct csid_testgen_config *tg = &csid->testgen;
- enum camss_version ver = csid->camss->version;
- u32 val;
+ int ret;
if (enable) {
- u8 vc = 0; /* Virtual Channel 0 */
- u8 cid = vc * 4; /* id of Virtual Channel and Data Type set */
- u8 dt, dt_shift, df;
- int ret;
-
ret = v4l2_ctrl_handler_setup(&csid->ctrls);
if (ret < 0) {
dev_err(csid->camss->dev,
@@ -640,116 +213,13 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable)
return ret;
}
- if (!tg->enabled &&
+ if (!csid->testgen.enabled &&
!media_entity_remote_pad(&csid->pads[MSM_CSID_PAD_SINK]))
return -ENOLINK;
-
- if (tg->enabled) {
- /* Config Test Generator */
- struct v4l2_mbus_framefmt *f =
- &csid->fmt[MSM_CSID_PAD_SRC];
- const struct csid_format *format = csid_get_fmt_entry(
- csid->formats, csid->nformats, f->code);
- u32 num_bytes_per_line =
- f->width * format->bpp * format->spp / 8;
- u32 num_lines = f->height;
-
- /* 31:24 V blank, 23:13 H blank, 3:2 num of active DT */
- /* 1:0 VC */
- val = ((CAMSS_CSID_TG_VC_CFG_V_BLANKING & 0xff) << 24) |
- ((CAMSS_CSID_TG_VC_CFG_H_BLANKING & 0x7ff) << 13);
- writel_relaxed(val, csid->base +
- CAMSS_CSID_TG_VC_CFG(ver));
-
- /* 28:16 bytes per lines, 12:0 num of lines */
- val = ((num_bytes_per_line & 0x1fff) << 16) |
- (num_lines & 0x1fff);
- writel_relaxed(val, csid->base +
- CAMSS_CSID_TG_DT_n_CGG_0(ver, 0));
-
- dt = format->data_type;
-
- /* 5:0 data type */
- val = dt;
- writel_relaxed(val, csid->base +
- CAMSS_CSID_TG_DT_n_CGG_1(ver, 0));
-
- /* 2:0 output test pattern */
- val = tg->payload_mode;
- writel_relaxed(val, csid->base +
- CAMSS_CSID_TG_DT_n_CGG_2(ver, 0));
-
- df = format->decode_format;
- } else {
- struct v4l2_mbus_framefmt *f =
- &csid->fmt[MSM_CSID_PAD_SINK];
- const struct csid_format *format = csid_get_fmt_entry(
- csid->formats, csid->nformats, f->code);
- struct csid_phy_config *phy = &csid->phy;
-
- val = phy->lane_cnt - 1;
- val |= phy->lane_assign << 4;
-
- writel_relaxed(val,
- csid->base + CAMSS_CSID_CORE_CTRL_0);
-
- val = phy->csiphy_id << 17;
- val |= 0x9;
-
- writel_relaxed(val,
- csid->base + CAMSS_CSID_CORE_CTRL_1);
-
- dt = format->data_type;
- df = format->decode_format;
- }
-
- /* Config LUT */
-
- dt_shift = (cid % 4) * 8;
-
- val = readl_relaxed(csid->base +
- CAMSS_CSID_CID_LUT_VC_n(ver, vc));
- val &= ~(0xff << dt_shift);
- val |= dt << dt_shift;
- writel_relaxed(val, csid->base +
- CAMSS_CSID_CID_LUT_VC_n(ver, vc));
-
- val = CAMSS_CSID_CID_n_CFG_ISPIF_EN;
- val |= CAMSS_CSID_CID_n_CFG_RDI_EN;
- val |= df << CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT;
- val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP;
-
- if (csid->camss->version == CAMSS_8x96 ||
- csid->camss->version == CAMSS_660) {
- u32 sink_code = csid->fmt[MSM_CSID_PAD_SINK].code;
- u32 src_code = csid->fmt[MSM_CSID_PAD_SRC].code;
-
- if ((sink_code == MEDIA_BUS_FMT_SBGGR10_1X10 &&
- src_code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) ||
- (sink_code == MEDIA_BUS_FMT_Y10_1X10 &&
- src_code == MEDIA_BUS_FMT_Y10_2X8_PADHI_LE)) {
- val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING;
- val |= CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16;
- val |= CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB;
- }
- }
-
- writel_relaxed(val, csid->base +
- CAMSS_CSID_CID_n_CFG(ver, cid));
-
- if (tg->enabled) {
- val = CAMSS_CSID_TG_CTRL_ENABLE;
- writel_relaxed(val, csid->base +
- CAMSS_CSID_TG_CTRL(ver));
- }
- } else {
- if (tg->enabled) {
- val = CAMSS_CSID_TG_CTRL_DISABLE;
- writel_relaxed(val, csid->base +
- CAMSS_CSID_TG_CTRL(ver));
- }
}
+ csid->ops->configure_stream(csid, enable);
+
return 0;
}
@@ -818,7 +288,7 @@ static void csid_try_format(struct csid_device *csid,
*fmt = *__csid_get_format(csid, cfg,
MSM_CSID_PAD_SINK, which);
- fmt->code = csid_src_pad_code(csid, fmt->code, 0, code);
+ fmt->code = csid->ops->src_pad_code(csid, fmt->code, 0, code);
} else {
/* Test generator is enabled, set format on source */
/* pad to allow test generator usage */
@@ -868,7 +338,7 @@ static int csid_enum_mbus_code(struct v4l2_subdev *sd,
MSM_CSID_PAD_SINK,
code->which);
- code->code = csid_src_pad_code(csid, sink_fmt->code,
+ code->code = csid->ops->src_pad_code(csid, sink_fmt->code,
code->index, 0);
if (!code->code)
return -EINVAL;
@@ -1004,15 +474,6 @@ static int csid_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
return csid_set_format(sd, fh ? fh->pad : NULL, &format);
}
-static const char * const csid_test_pattern_menu[] = {
- "Disabled",
- "Incrementing",
- "Alternating 0x55/0xAA",
- "All Zeros 0x00",
- "All Ones 0xFF",
- "Pseudo-random Data",
-};
-
/*
* csid_set_test_pattern - Set test generator's pattern mode
* @csid: CSID device
@@ -1030,25 +491,7 @@ static int csid_set_test_pattern(struct csid_device *csid, s32 value)
tg->enabled = !!value;
- switch (value) {
- case 1:
- tg->payload_mode = CSID_PAYLOAD_MODE_INCREMENTING;
- break;
- case 2:
- tg->payload_mode = CSID_PAYLOAD_MODE_ALTERNATING_55_AA;
- break;
- case 3:
- tg->payload_mode = CSID_PAYLOAD_MODE_ALL_ZEROES;
- break;
- case 4:
- tg->payload_mode = CSID_PAYLOAD_MODE_ALL_ONES;
- break;
- case 5:
- tg->payload_mode = CSID_PAYLOAD_MODE_RANDOM;
- break;
- }
-
- return 0;
+ return csid->ops->configure_testgen_pattern(csid, value);
}
/*
@@ -1097,17 +540,14 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
csid->id = id;
if (camss->version == CAMSS_8x16) {
- csid->formats = csid_formats_8x16;
- csid->nformats =
- ARRAY_SIZE(csid_formats_8x16);
+ csid->ops = &csid_ops_4_1;
} else if (camss->version == CAMSS_8x96 ||
camss->version == CAMSS_660) {
- csid->formats = csid_formats_8x96;
- csid->nformats =
- ARRAY_SIZE(csid_formats_8x96);
+ csid->ops = &csid_ops_4_7;
} else {
return -EINVAL;
}
+ csid->ops->subdev_init(csid);
/* Memory */
@@ -1130,7 +570,7 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
csid->irq = r->start;
snprintf(csid->irq_name, sizeof(csid->irq_name), "%s_%s%d",
dev_name(dev), MSM_CSID_NAME, csid->id);
- ret = devm_request_irq(dev, csid->irq, csid_isr,
+ ret = devm_request_irq(dev, csid->irq, csid->ops->isr,
IRQF_TRIGGER_RISING, csid->irq_name, csid);
if (ret < 0) {
dev_err(dev, "request_irq failed: %d\n", ret);
@@ -1341,8 +781,8 @@ int msm_csid_register_entity(struct csid_device *csid,
csid->testgen_mode = v4l2_ctrl_new_std_menu_items(&csid->ctrls,
&csid_ctrl_ops, V4L2_CID_TEST_PATTERN,
- ARRAY_SIZE(csid_test_pattern_menu) - 1, 0, 0,
- csid_test_pattern_menu);
+ csid->testgen.nmodes, 0, 0,
enum csid_testgen_mode has the test patterns id's numbered from 0 to MAX_SUPPORTED.
So the MAX_SUPPORTED is the number of test patterns *minus one*.
csid->testgen.nmodes points to the csid_testgen_modes[] array which contains the
test patterns name *plus* "Disabled" as the first element.
Thus the old (ARRAY_SIZE(csid_test_pattern_menu) - 1) is greater by one than
csid->testgen.nmodes.
By passing csid->testgen.nmodes as the max value to v4l2_ctrl_new_std_menu_items()
you exclude the last test pattern from the menu - you can check the output of
"v4l2-ctl -L -d <csid subdevice>".
IMHO the logic would be simpler, if the test patterns were numbered starting from 1, not 0,
leaving the value of 0 to "TG disabled".
Thanks,
Andrey
+ csid->testgen.modes);
if (csid->ctrls.error) {
dev_err(dev, "Failed to init ctrl: %d\n", csid->ctrls.error);
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index 02fc34ee8a41..d40194e2bed3 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -11,6 +11,7 @@
#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>
@@ -70,19 +71,50 @@
#define PLAIN_FORMAT_PLAIN16 0x1 /* supports DPCM, UNCOMPRESSED_10/16_BIT */
#define PLAIN_FORMAT_PLAIN32 0x2 /* supports UNCOMPRESSED_20_BIT */
+#define CSID_RESET_TIMEOUT_MS 500
-enum csid_payload_mode {
+
+enum csid_testgen_mode {
CSID_PAYLOAD_MODE_INCREMENTING = 0,
CSID_PAYLOAD_MODE_ALTERNATING_55_AA = 1,
CSID_PAYLOAD_MODE_ALL_ZEROES = 2,
CSID_PAYLOAD_MODE_ALL_ONES = 3,
CSID_PAYLOAD_MODE_RANDOM = 4,
CSID_PAYLOAD_MODE_USER_SPECIFIED = 5,
+ CSID_PAYLOAD_MODE_MAX_SUPPORTED_4_1 = 5,
+ CSID_PAYLOAD_MODE_MAX_SUPPORTED_4_7 = 5,
+ CSID_PAYLOAD_MODE_COMPLEX_PATTERN = 6,
+ CSID_PAYLOAD_MODE_COLOR_BOX = 7,
+ CSID_PAYLOAD_MODE_COLOR_BARS = 8,
+ CSID_PAYLOAD_MODE_MAX_SUPPORTED_170 = 8,
+};
+
+static const char * const csid_testgen_modes[] = {
+ "Disabled",
+ "Incrementing",
+ "Alternating 0x55/0xAA",
+ "All Zeros 0x00",
+ "All Ones 0xFF",
+ "Pseudo-random Data",
+ "User Specified",
+ "Complex pattern",
+ "Color box",
+ "Color bars",
+};
+
+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;
- enum csid_payload_mode payload_mode;
};
struct csid_phy_config {
@@ -91,6 +123,65 @@ struct csid_phy_config {
u32 lane_assign;
};
+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;
@@ -110,10 +201,37 @@ struct csid_device {
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);
@@ -124,4 +242,8 @@ void msm_csid_unregister_entity(struct csid_device *csid);
void msm_csid_get_csid_id(struct media_entity *entity, u8 *id);
+
+extern const struct csid_hw_ops csid_ops_4_1;
+extern const struct csid_hw_ops csid_ops_4_7;
+
#endif /* QC_MSM_CAMSS_CSID_H */