@@ -1,3 +1,4 @@
obj-$(CONFIG_IMX_IPUV3_CORE) += imx-ipu-v3.o
-imx-ipu-v3-objs := ipu-common.o ipu-dc.o ipu-di.o ipu-dp.o ipu-dmfc.o ipu-smfc.o
+imx-ipu-v3-objs := ipu-common.o ipu-csi.o ipu-dc.o ipu-di.o ipu-dp.o \
+ ipu-dmfc.o ipu-ic.o ipu-smfc.o
@@ -667,18 +667,6 @@ int ipu_module_disable(struct ipu_soc *ipu, u32 mask)
}
EXPORT_SYMBOL_GPL(ipu_module_disable);
-int ipu_csi_enable(struct ipu_soc *ipu, int csi)
-{
- return ipu_module_enable(ipu, csi ? IPU_CONF_CSI1_EN : IPU_CONF_CSI0_EN);
-}
-EXPORT_SYMBOL_GPL(ipu_csi_enable);
-
-int ipu_csi_disable(struct ipu_soc *ipu, int csi)
-{
- return ipu_module_disable(ipu, csi ? IPU_CONF_CSI1_EN : IPU_CONF_CSI0_EN);
-}
-EXPORT_SYMBOL_GPL(ipu_csi_disable);
-
int ipu_smfc_enable(struct ipu_soc *ipu)
{
return ipu_module_enable(ipu, IPU_CONF_SMFC_EN);
@@ -889,6 +877,9 @@ struct ipu_devtype {
unsigned long cpmem_ofs;
unsigned long srm_ofs;
unsigned long tpm_ofs;
+ unsigned long csi0_ofs;
+ unsigned long csi1_ofs;
+ unsigned long ic_ofs;
unsigned long disp0_ofs;
unsigned long disp1_ofs;
unsigned long dc_tmpl_ofs;
@@ -902,6 +893,9 @@ static struct ipu_devtype ipu_type_imx51 = {
.cpmem_ofs = 0x1f000000,
.srm_ofs = 0x1f040000,
.tpm_ofs = 0x1f060000,
+ .csi0_ofs = 0x1f030000,
+ .csi1_ofs = 0x1f038000,
+ .ic_ofs = 0x1f020000,
.disp0_ofs = 0x1e040000,
.disp1_ofs = 0x1e048000,
.dc_tmpl_ofs = 0x1f080000,
@@ -915,6 +909,9 @@ static struct ipu_devtype ipu_type_imx53 = {
.cpmem_ofs = 0x07000000,
.srm_ofs = 0x07040000,
.tpm_ofs = 0x07060000,
+ .csi0_ofs = 0x07030000,
+ .csi1_ofs = 0x07038000,
+ .ic_ofs = 0x07020000,
.disp0_ofs = 0x06040000,
.disp1_ofs = 0x06048000,
.dc_tmpl_ofs = 0x07080000,
@@ -928,6 +925,9 @@ static struct ipu_devtype ipu_type_imx6q = {
.cpmem_ofs = 0x00300000,
.srm_ofs = 0x00340000,
.tpm_ofs = 0x00360000,
+ .csi0_ofs = 0x00230000,
+ .csi1_ofs = 0x00238000,
+ .ic_ofs = 0x00220000,
.disp0_ofs = 0x00240000,
.disp1_ofs = 0x00248000,
.dc_tmpl_ofs = 0x00380000,
@@ -952,8 +952,30 @@ static int ipu_submodules_init(struct ipu_soc *ipu,
struct device *dev = &pdev->dev;
const struct ipu_devtype *devtype = ipu->devtype;
+ ret = ipu_csi_init(ipu, dev, 0, ipu_base + devtype->csi0_ofs,
+ IPU_CONF_CSI0_EN, ipu_clk);
+ if (ret) {
+ unit = "csi0";
+ goto err_csi_0;
+ }
+
+ ret = ipu_csi_init(ipu, dev, 1, ipu_base + devtype->csi1_ofs,
+ IPU_CONF_CSI1_EN, ipu_clk);
+ if (ret) {
+ unit = "csi1";
+ goto err_csi_1;
+ }
+
+ ret = ipu_ic_init(ipu, dev,
+ ipu_base + devtype->ic_ofs,
+ ipu_base + devtype->tpm_ofs);
+ if (ret) {
+ unit = "ic";
+ goto err_ic;
+ }
+
ret = ipu_di_init(ipu, dev, 0, ipu_base + devtype->disp0_ofs,
- IPU_CONF_DI0_EN, ipu_clk);
+ IPU_CONF_DI0_EN, ipu_clk);
if (ret) {
unit = "di0";
goto err_di_0;
@@ -1006,6 +1028,12 @@ err_dc:
err_di_1:
ipu_di_exit(ipu, 0);
err_di_0:
+ ipu_ic_exit(ipu);
+err_ic:
+ ipu_csi_exit(ipu, 1);
+err_csi_1:
+ ipu_csi_exit(ipu, 0);
+err_csi_0:
dev_err(&pdev->dev, "init %s failed with %d\n", unit, ret);
return ret;
}
@@ -1082,6 +1110,9 @@ static void ipu_submodules_exit(struct ipu_soc *ipu)
ipu_dc_exit(ipu);
ipu_di_exit(ipu, 1);
ipu_di_exit(ipu, 0);
+ ipu_ic_exit(ipu);
+ ipu_csi_exit(ipu, 1);
+ ipu_csi_exit(ipu, 0);
}
static int platform_remove_devices_fn(struct device *dev, void *unused)
@@ -1302,6 +1333,12 @@ static int ipu_probe(struct platform_device *pdev)
ipu_base + devtype->cm_ofs + IPU_CM_IDMAC_REG_OFS);
dev_dbg(&pdev->dev, "cpmem: 0x%08lx\n",
ipu_base + devtype->cpmem_ofs);
+ dev_dbg(&pdev->dev, "csi0: 0x%08lx\n",
+ ipu_base + devtype->csi0_ofs);
+ dev_dbg(&pdev->dev, "csi1: 0x%08lx\n",
+ ipu_base + devtype->csi1_ofs);
+ dev_dbg(&pdev->dev, "ic: 0x%08lx\n",
+ ipu_base + devtype->ic_ofs);
dev_dbg(&pdev->dev, "disp0: 0x%08lx\n",
ipu_base + devtype->disp0_ofs);
dev_dbg(&pdev->dev, "disp1: 0x%08lx\n",
new file mode 100644
@@ -0,0 +1,701 @@
+/*
+ * Copyright (C) 2012-2014 Mentor Graphics Inc.
+ * Copyright (C) 2005-2009 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/videodev2.h>
+#include <uapi/linux/v4l2-mediabus.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
+#include "ipu-prv.h"
+
+struct ipu_csi {
+ void __iomem *base;
+ int id;
+ u32 module;
+ struct clk *clk_ipu; /* IPU bus clock */
+ spinlock_t lock;
+ bool inuse;
+ struct ipu_soc *ipu;
+};
+
+/* CSI Register Offsets */
+#define CSI_SENS_CONF 0x0000
+#define CSI_SENS_FRM_SIZE 0x0004
+#define CSI_ACT_FRM_SIZE 0x0008
+#define CSI_OUT_FRM_CTRL 0x000C
+#define CSI_TST_CTRL 0x0010
+#define CSI_CCIR_CODE_1 0x0014
+#define CSI_CCIR_CODE_2 0x0018
+#define CSI_CCIR_CODE_3 0x001C
+#define CSI_MIPI_DI 0x0020
+#define CSI_SKIP 0x0024
+#define CSI_CPD_CTRL 0x0028
+#define CSI_CPD_RC(n) (0x002C + ((n)*4))
+#define CSI_CPD_RS(n) (0x004C + ((n)*4))
+#define CSI_CPD_GRC(n) (0x005C + ((n)*4))
+#define CSI_CPD_GRS(n) (0x007C + ((n)*4))
+#define CSI_CPD_GBC(n) (0x008C + ((n)*4))
+#define CSI_CPD_GBS(n) (0x00AC + ((n)*4))
+#define CSI_CPD_BC(n) (0x00BC + ((n)*4))
+#define CSI_CPD_BS(n) (0x00DC + ((n)*4))
+#define CSI_CPD_OFFSET1 0x00EC
+#define CSI_CPD_OFFSET2 0x00F0
+
+/* CSI Register Fields */
+#define CSI_SENS_CONF_DATA_FMT_SHIFT 8
+#define CSI_SENS_CONF_DATA_FMT_MASK 0x00000700
+#define CSI_SENS_CONF_DATA_FMT_RGB_YUV444 0L
+#define CSI_SENS_CONF_DATA_FMT_YUV422_YUYV 1L
+#define CSI_SENS_CONF_DATA_FMT_YUV422_UYVY 2L
+#define CSI_SENS_CONF_DATA_FMT_BAYER 3L
+#define CSI_SENS_CONF_DATA_FMT_RGB565 4L
+#define CSI_SENS_CONF_DATA_FMT_RGB555 5L
+#define CSI_SENS_CONF_DATA_FMT_RGB444 6L
+#define CSI_SENS_CONF_DATA_FMT_JPEG 7L
+
+#define CSI_SENS_CONF_VSYNC_POL_SHIFT 0
+#define CSI_SENS_CONF_HSYNC_POL_SHIFT 1
+#define CSI_SENS_CONF_DATA_POL_SHIFT 2
+#define CSI_SENS_CONF_PIX_CLK_POL_SHIFT 3
+#define CSI_SENS_CONF_SENS_PRTCL_MASK 0x00000070L
+#define CSI_SENS_CONF_SENS_PRTCL_SHIFT 4
+#define CSI_SENS_CONF_PACK_TIGHT_SHIFT 7
+#define CSI_SENS_CONF_DATA_WIDTH_SHIFT 11
+#define CSI_SENS_CONF_EXT_VSYNC_SHIFT 15
+#define CSI_SENS_CONF_DIVRATIO_SHIFT 16
+
+#define CSI_SENS_CONF_DIVRATIO_MASK 0x00FF0000L
+#define CSI_SENS_CONF_DATA_DEST_SHIFT 24
+#define CSI_SENS_CONF_DATA_DEST_MASK 0x07000000L
+#define CSI_SENS_CONF_JPEG8_EN_SHIFT 27
+#define CSI_SENS_CONF_JPEG_EN_SHIFT 28
+#define CSI_SENS_CONF_FORCE_EOF_SHIFT 29
+#define CSI_SENS_CONF_DATA_EN_POL_SHIFT 31
+
+#define CSI_DATA_DEST_IC 2L
+#define CSI_DATA_DEST_IDMAC 4L
+
+#define CSI_CCIR_ERR_DET_EN 0x01000000L
+#define CSI_HORI_DOWNSIZE_EN 0x80000000L
+#define CSI_VERT_DOWNSIZE_EN 0x40000000L
+#define CSI_TEST_GEN_MODE_EN 0x01000000L
+
+#define CSI_HSC_MASK 0x1FFF0000
+#define CSI_HSC_SHIFT 16
+#define CSI_VSC_MASK 0x00000FFF
+#define CSI_VSC_SHIFT 0
+
+#define CSI_TEST_GEN_R_MASK 0x000000FFL
+#define CSI_TEST_GEN_R_SHIFT 0
+#define CSI_TEST_GEN_G_MASK 0x0000FF00L
+#define CSI_TEST_GEN_G_SHIFT 8
+#define CSI_TEST_GEN_B_MASK 0x00FF0000L
+#define CSI_TEST_GEN_B_SHIFT 16
+
+#define CSI_MAX_RATIO_SKIP_SMFC_MASK 0x00000007L
+#define CSI_MAX_RATIO_SKIP_SMFC_SHIFT 0
+#define CSI_SKIP_SMFC_MASK 0x000000F8L
+#define CSI_SKIP_SMFC_SHIFT 3
+#define CSI_ID_2_SKIP_MASK 0x00000300L
+#define CSI_ID_2_SKIP_SHIFT 8
+
+#define CSI_COLOR_FIRST_ROW_MASK 0x00000002L
+#define CSI_COLOR_FIRST_COMP_MASK 0x00000001L
+
+/* MIPI CSI-2 data types */
+#define MIPI_DT_YUV420 0x18 /* YYY.../UYVY.... */
+#define MIPI_DT_YUV420_LEGACY 0x1a /* UYY.../VYY... */
+#define MIPI_DT_YUV422 0x1e /* UYVY... */
+#define MIPI_DT_RGB444 0x20
+#define MIPI_DT_RGB555 0x21
+#define MIPI_DT_RGB565 0x22
+#define MIPI_DT_RGB666 0x23
+#define MIPI_DT_RGB888 0x24
+#define MIPI_DT_RAW6 0x28
+#define MIPI_DT_RAW7 0x29
+#define MIPI_DT_RAW8 0x2a
+#define MIPI_DT_RAW10 0x2b
+#define MIPI_DT_RAW12 0x2c
+#define MIPI_DT_RAW14 0x2d
+
+
+static inline u32 ipu_csi_read(struct ipu_csi *csi, unsigned offset)
+{
+ return readl(csi->base + offset);
+}
+
+static inline void ipu_csi_write(struct ipu_csi *csi, u32 value,
+ unsigned offset)
+{
+ writel(value, csi->base + offset);
+}
+
+/*
+ * Enable error detection and correction for CCIR interlaced mode.
+ */
+static inline void ipu_csi_ccir_err_detection_enable(struct ipu_csi *csi)
+{
+ u32 temp;
+
+ temp = ipu_csi_read(csi, CSI_CCIR_CODE_1);
+ temp |= CSI_CCIR_ERR_DET_EN;
+ ipu_csi_write(csi, temp, CSI_CCIR_CODE_1);
+
+}
+
+/*
+ * Disable error detection and correction for CCIR interlaced mode.
+ */
+static inline void ipu_csi_ccir_err_detection_disable(struct ipu_csi *csi)
+{
+ u32 temp;
+
+ temp = ipu_csi_read(csi, CSI_CCIR_CODE_1);
+ temp &= ~CSI_CCIR_ERR_DET_EN;
+ ipu_csi_write(csi, temp, CSI_CCIR_CODE_1);
+
+}
+
+static inline void ipu_csi_set_horizontal_downsize(struct ipu_csi *csi,
+ bool enable)
+{
+ u32 temp;
+
+ temp = ipu_csi_read(csi, CSI_OUT_FRM_CTRL);
+ if (enable)
+ temp |= CSI_HORI_DOWNSIZE_EN;
+ else
+ temp &= ~CSI_HORI_DOWNSIZE_EN;
+ ipu_csi_write(csi, temp, CSI_OUT_FRM_CTRL);
+}
+
+static inline void ipu_csi_set_vertical_downsize(struct ipu_csi *csi,
+ bool enable)
+{
+ u32 temp;
+
+ temp = ipu_csi_read(csi, CSI_OUT_FRM_CTRL);
+ if (enable)
+ temp |= CSI_VERT_DOWNSIZE_EN;
+ else
+ temp &= ~CSI_VERT_DOWNSIZE_EN;
+ ipu_csi_write(csi, temp, CSI_OUT_FRM_CTRL);
+}
+
+/*
+ * Set mclk division ratio for generating test mode mclk. Only used
+ * for test generator.
+ */
+static int ipu_csi_set_testgen_mclk(struct ipu_csi *csi, u32 pixel_clk,
+ u32 ipu_clk)
+{
+ u32 temp;
+ u32 div_ratio;
+
+ div_ratio = (ipu_clk / pixel_clk) - 1;
+
+ if (div_ratio > 0xFF || div_ratio < 0) {
+ dev_err(csi->ipu->dev,
+ "value of pixel_clk extends normal range\n");
+ return -EINVAL;
+ }
+
+ temp = ipu_csi_read(csi, CSI_SENS_CONF);
+ temp &= ~CSI_SENS_CONF_DIVRATIO_MASK;
+ ipu_csi_write(csi, temp | (div_ratio << CSI_SENS_CONF_DIVRATIO_SHIFT),
+ CSI_SENS_CONF);
+
+ return 0;
+}
+
+int ipu_csi_init_interface(struct ipu_csi *csi, u16 width, u16 height,
+ struct ipu_csi_signal_cfg *cfg)
+{
+ unsigned long flags;
+ u32 data = 0;
+ u32 ipu_clk;
+
+ /* Set the CSI_SENS_CONF register remaining fields */
+ data |= cfg->data_width << CSI_SENS_CONF_DATA_WIDTH_SHIFT |
+ cfg->data_fmt << CSI_SENS_CONF_DATA_FMT_SHIFT |
+ cfg->data_pol << CSI_SENS_CONF_DATA_POL_SHIFT |
+ cfg->vsync_pol << CSI_SENS_CONF_VSYNC_POL_SHIFT |
+ cfg->hsync_pol << CSI_SENS_CONF_HSYNC_POL_SHIFT |
+ cfg->pixclk_pol << CSI_SENS_CONF_PIX_CLK_POL_SHIFT |
+ cfg->ext_vsync << CSI_SENS_CONF_EXT_VSYNC_SHIFT |
+ cfg->clk_mode << CSI_SENS_CONF_SENS_PRTCL_SHIFT |
+ cfg->pack_tight << CSI_SENS_CONF_PACK_TIGHT_SHIFT |
+ cfg->force_eof << CSI_SENS_CONF_FORCE_EOF_SHIFT |
+ cfg->data_en_pol << CSI_SENS_CONF_DATA_EN_POL_SHIFT;
+
+ ipu_clk = clk_get_rate(csi->clk_ipu);
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ ipu_csi_write(csi, data, CSI_SENS_CONF);
+
+ /* Setup sensor frame size */
+ ipu_csi_write(csi, (width - 1) | (height - 1) << 16, CSI_SENS_FRM_SIZE);
+
+ /* Set CCIR registers */
+
+ switch (cfg->clk_mode) {
+ case IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE:
+ ipu_csi_write(csi, 0x40030, CSI_CCIR_CODE_1);
+ ipu_csi_write(csi, 0xFF0000, CSI_CCIR_CODE_3);
+ break;
+ case IPU_CSI_CLK_MODE_CCIR656_INTERLACED:
+ if (width == 720 && height == 625) {
+ /*
+ * PAL case
+ *
+ * Field0BlankEnd = 0x6, Field0BlankStart = 0x2,
+ * Field0ActiveEnd = 0x4, Field0ActiveStart = 0
+ * Field1BlankEnd = 0x7, Field1BlankStart = 0x3,
+ * Field1ActiveEnd = 0x5, Field1ActiveStart = 0x1
+ */
+ ipu_csi_write(csi, 0x40596, CSI_CCIR_CODE_1);
+ ipu_csi_write(csi, 0xD07DF, CSI_CCIR_CODE_2);
+ ipu_csi_write(csi, 0xFF0000, CSI_CCIR_CODE_3);
+
+ } else if (width == 720 && height == 525) {
+ /*
+ * NTSC case
+ *
+ * Field0BlankEnd = 0x7, Field0BlankStart = 0x3,
+ * Field0ActiveEnd = 0x5, Field0ActiveStart = 0x1
+ * Field1BlankEnd = 0x6, Field1BlankStart = 0x2,
+ * Field1ActiveEnd = 0x4, Field1ActiveStart = 0
+ */
+ ipu_csi_write(csi, 0xD07DF, CSI_CCIR_CODE_1);
+ ipu_csi_write(csi, 0x40596, CSI_CCIR_CODE_2);
+ ipu_csi_write(csi, 0xFF0000, CSI_CCIR_CODE_3);
+ } else {
+ dev_err(csi->ipu->dev,
+ "Unsupported CCIR656 interlaced video mode\n");
+ spin_unlock_irqrestore(&csi->lock, flags);
+ return -EINVAL;
+ }
+
+ ipu_csi_ccir_err_detection_enable(csi);
+ break;
+ case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR:
+ case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR:
+ case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR:
+ case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR:
+ ipu_csi_write(csi, 0x40030, CSI_CCIR_CODE_1);
+ ipu_csi_write(csi, 0xFF0000, CSI_CCIR_CODE_3);
+ ipu_csi_ccir_err_detection_enable(csi);
+ break;
+ case IPU_CSI_CLK_MODE_GATED_CLK:
+ case IPU_CSI_CLK_MODE_NONGATED_CLK:
+ ipu_csi_ccir_err_detection_disable(csi);
+ break;
+ }
+
+ dev_dbg(csi->ipu->dev, "CSI_SENS_CONF = 0x%08X\n",
+ ipu_csi_read(csi, CSI_SENS_CONF));
+ dev_dbg(csi->ipu->dev, "CSI_ACT_FRM_SIZE = 0x%08X\n",
+ ipu_csi_read(csi, CSI_ACT_FRM_SIZE));
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_init_interface);
+
+/*
+ * Find the CSI data format and data width codes for the given V4L2 media
+ * bus pixel format code.
+ */
+int ipu_csi_mbus_fmt_to_sig_cfg(struct ipu_csi_signal_cfg *cfg, u32 mbus_code)
+{
+ switch (mbus_code) {
+ case V4L2_MBUS_FMT_BGR565_2X8_BE:
+ case V4L2_MBUS_FMT_BGR565_2X8_LE:
+ case V4L2_MBUS_FMT_RGB565_2X8_BE:
+ case V4L2_MBUS_FMT_RGB565_2X8_LE:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_RGB565;
+ cfg->mipi_dt = MIPI_DT_RGB565;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE:
+ case V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_RGB444;
+ cfg->mipi_dt = MIPI_DT_RGB444;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE:
+ case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_RGB555;
+ cfg->mipi_dt = MIPI_DT_RGB555;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_UYVY8_2X8:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_UYVY;
+ cfg->mipi_dt = MIPI_DT_YUV422;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_YUYV8_2X8:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_YUYV;
+ cfg->mipi_dt = MIPI_DT_YUV422;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_UYVY8_1X16:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_UYVY;
+ cfg->mipi_dt = MIPI_DT_YUV422;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_16;
+ break;
+ case V4L2_MBUS_FMT_YUYV8_1X16:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_YUYV;
+ cfg->mipi_dt = MIPI_DT_YUV422;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_16;
+ break;
+ case V4L2_MBUS_FMT_SBGGR8_1X8:
+ case V4L2_MBUS_FMT_SGBRG8_1X8:
+ case V4L2_MBUS_FMT_SGRBG8_1X8:
+ case V4L2_MBUS_FMT_SRGGB8_1X8:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
+ cfg->mipi_dt = MIPI_DT_RAW8;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8:
+ case V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8:
+ case V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8:
+ case V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8:
+ case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE:
+ case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
+ case V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE:
+ case V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
+ cfg->mipi_dt = MIPI_DT_RAW10;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ case V4L2_MBUS_FMT_SBGGR10_1X10:
+ case V4L2_MBUS_FMT_SGBRG10_1X10:
+ case V4L2_MBUS_FMT_SGRBG10_1X10:
+ case V4L2_MBUS_FMT_SRGGB10_1X10:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
+ cfg->mipi_dt = MIPI_DT_RAW10;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_10;
+ break;
+ case V4L2_MBUS_FMT_SBGGR12_1X12:
+ case V4L2_MBUS_FMT_SGBRG12_1X12:
+ case V4L2_MBUS_FMT_SGRBG12_1X12:
+ case V4L2_MBUS_FMT_SRGGB12_1X12:
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
+ cfg->mipi_dt = MIPI_DT_RAW12;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_12;
+ break;
+ case V4L2_MBUS_FMT_JPEG_1X8:
+ /* TODO */
+ cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_JPEG;
+ cfg->mipi_dt = MIPI_DT_RAW8;
+ cfg->data_width = IPU_CSI_DATA_WIDTH_8;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_mbus_fmt_to_sig_cfg);
+
+bool ipu_csi_is_interlaced(struct ipu_csi *csi)
+{
+ unsigned long flags;
+ u32 sensor_protocol;
+
+ spin_lock_irqsave(&csi->lock, flags);
+ sensor_protocol =
+ (ipu_csi_read(csi, CSI_SENS_CONF) &
+ CSI_SENS_CONF_SENS_PRTCL_MASK) >>
+ CSI_SENS_CONF_SENS_PRTCL_SHIFT;
+ spin_unlock_irqrestore(&csi->lock, flags);
+
+ switch (sensor_protocol) {
+ case IPU_CSI_CLK_MODE_GATED_CLK:
+ case IPU_CSI_CLK_MODE_NONGATED_CLK:
+ case IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE:
+ case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR:
+ case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR:
+ return false;
+ break;
+ case IPU_CSI_CLK_MODE_CCIR656_INTERLACED:
+ case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR:
+ case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR:
+ return true;
+ break;
+ default:
+ dev_err(csi->ipu->dev,
+ "CSI %d sensor protocol unsupported\n", csi->id);
+ return false;
+ }
+}
+EXPORT_SYMBOL_GPL(ipu_csi_is_interlaced);
+
+void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w)
+{
+ unsigned long flags;
+ u32 reg;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ reg = ipu_csi_read(csi, CSI_ACT_FRM_SIZE);
+ w->width = (reg & 0xFFFF) + 1;
+ w->height = (reg >> 16 & 0xFFFF) + 1;
+
+ reg = ipu_csi_read(csi, CSI_OUT_FRM_CTRL);
+ w->left = (reg & CSI_HSC_MASK) >> CSI_HSC_SHIFT;
+ w->top = (reg & CSI_VSC_MASK) >> CSI_VSC_SHIFT;
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_csi_get_window);
+
+void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w)
+{
+ unsigned long flags;
+ u32 reg;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ ipu_csi_write(csi, (w->width - 1) | ((w->height - 1) << 16),
+ CSI_ACT_FRM_SIZE);
+
+ reg = ipu_csi_read(csi, CSI_OUT_FRM_CTRL);
+ reg &= ~(CSI_HSC_MASK | CSI_VSC_MASK);
+ reg |= ((w->top << CSI_VSC_SHIFT) | (w->left << CSI_HSC_SHIFT));
+ ipu_csi_write(csi, reg, CSI_OUT_FRM_CTRL);
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_csi_set_window);
+
+void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
+ u32 r_value, u32 g_value, u32 b_value,
+ u32 pix_clk)
+{
+ unsigned long flags;
+ u32 ipu_clk = clk_get_rate(csi->clk_ipu);
+ u32 temp;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ temp = ipu_csi_read(csi, CSI_TST_CTRL);
+
+ if (active == false) {
+ temp &= ~CSI_TEST_GEN_MODE_EN;
+ ipu_csi_write(csi, temp, CSI_TST_CTRL);
+ } else {
+ /* Set sensb_mclk div_ratio*/
+ ipu_csi_set_testgen_mclk(csi, pix_clk, ipu_clk);
+
+ temp &= ~(CSI_TEST_GEN_R_MASK | CSI_TEST_GEN_G_MASK |
+ CSI_TEST_GEN_B_MASK);
+ temp |= CSI_TEST_GEN_MODE_EN;
+ temp |= (r_value << CSI_TEST_GEN_R_SHIFT) |
+ (g_value << CSI_TEST_GEN_G_SHIFT) |
+ (b_value << CSI_TEST_GEN_B_SHIFT);
+ ipu_csi_write(csi, temp, CSI_TST_CTRL);
+ }
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_csi_set_test_generator);
+
+int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
+ struct ipu_csi_signal_cfg *cfg)
+{
+ unsigned long flags;
+ u32 temp;
+
+ if (vc > 3)
+ return -EINVAL;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ temp = ipu_csi_read(csi, CSI_MIPI_DI);
+ temp &= ~(0xff << (vc * 8));
+ temp |= (cfg->mipi_dt << (vc * 8));
+ ipu_csi_write(csi, temp, CSI_MIPI_DI);
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_set_mipi_datatype);
+
+int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
+ u32 max_ratio, u32 id)
+{
+ unsigned long flags;
+ u32 temp;
+
+ if (max_ratio > 5 || id > 3)
+ return -EINVAL;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ temp = ipu_csi_read(csi, CSI_SKIP);
+ temp &= ~(CSI_MAX_RATIO_SKIP_SMFC_MASK | CSI_ID_2_SKIP_MASK |
+ CSI_SKIP_SMFC_MASK);
+ temp |= (max_ratio << CSI_MAX_RATIO_SKIP_SMFC_SHIFT) |
+ (id << CSI_ID_2_SKIP_SHIFT) |
+ (skip << CSI_SKIP_SMFC_SHIFT);
+ ipu_csi_write(csi, temp, CSI_SKIP);
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_set_skip_smfc);
+
+int ipu_csi_set_dest(struct ipu_csi *csi, bool ic)
+{
+ unsigned long flags;
+ u32 csi_sens_conf, csi_dest;
+
+ csi_dest = ic ? CSI_DATA_DEST_IC : CSI_DATA_DEST_IDMAC;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ csi_sens_conf = ipu_csi_read(csi, CSI_SENS_CONF);
+ csi_sens_conf &= ~CSI_SENS_CONF_DATA_DEST_MASK;
+ csi_sens_conf |= (csi_dest << CSI_SENS_CONF_DATA_DEST_SHIFT);
+ ipu_csi_write(csi, csi_sens_conf, CSI_SENS_CONF);
+
+ spin_unlock_irqrestore(&csi->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_set_dest);
+
+int ipu_csi_enable(struct ipu_csi *csi)
+{
+ ipu_module_enable(csi->ipu, csi->module);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_enable);
+
+int ipu_csi_disable(struct ipu_csi *csi)
+{
+ ipu_module_disable(csi->ipu, csi->module);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_disable);
+
+struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id)
+{
+ unsigned long flags;
+ struct ipu_csi *csi, *ret;
+
+ if (id > 1)
+ return ERR_PTR(-EINVAL);
+
+ csi = ipu->csi_priv[id];
+ ret = csi;
+
+ spin_lock_irqsave(&csi->lock, flags);
+
+ if (csi->inuse) {
+ ret = ERR_PTR(-EBUSY);
+ goto unlock;
+ }
+
+ csi->inuse = true;
+unlock:
+ spin_unlock_irqrestore(&csi->lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ipu_csi_get);
+
+void ipu_csi_put(struct ipu_csi *csi)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&csi->lock, flags);
+ csi->inuse = false;
+ spin_unlock_irqrestore(&csi->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_csi_put);
+
+int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
+ unsigned long base, u32 module, struct clk *clk_ipu)
+{
+ struct ipu_csi *csi;
+
+ if (id > 1)
+ return -ENODEV;
+
+ csi = devm_kzalloc(dev, sizeof(*csi), GFP_KERNEL);
+ if (!csi)
+ return -ENOMEM;
+
+ ipu->csi_priv[id] = csi;
+
+ spin_lock_init(&csi->lock);
+ csi->module = module;
+ csi->id = id;
+ csi->clk_ipu = clk_ipu;
+ csi->base = devm_ioremap(dev, base, PAGE_SIZE);
+ if (!csi->base)
+ return -ENOMEM;
+
+ dev_dbg(dev, "CSI%d base: 0x%08lx remapped to %p\n",
+ id, base, csi->base);
+ csi->ipu = ipu;
+
+ return 0;
+}
+
+void ipu_csi_exit(struct ipu_soc *ipu, int id)
+{
+}
+
+void ipu_csi_dump(struct ipu_csi *csi)
+{
+ dev_dbg(csi->ipu->dev, "CSI_SENS_CONF: %08x\n",
+ ipu_csi_read(csi, CSI_SENS_CONF));
+ dev_dbg(csi->ipu->dev, "CSI_SENS_FRM_SIZE: %08x\n",
+ ipu_csi_read(csi, CSI_SENS_FRM_SIZE));
+ dev_dbg(csi->ipu->dev, "CSI_ACT_FRM_SIZE: %08x\n",
+ ipu_csi_read(csi, CSI_ACT_FRM_SIZE));
+ dev_dbg(csi->ipu->dev, "CSI_OUT_FRM_CTRL: %08x\n",
+ ipu_csi_read(csi, CSI_OUT_FRM_CTRL));
+ dev_dbg(csi->ipu->dev, "CSI_TST_CTRL: %08x\n",
+ ipu_csi_read(csi, CSI_TST_CTRL));
+ dev_dbg(csi->ipu->dev, "CSI_CCIR_CODE_1: %08x\n",
+ ipu_csi_read(csi, CSI_CCIR_CODE_1));
+ dev_dbg(csi->ipu->dev, "CSI_CCIR_CODE_2: %08x\n",
+ ipu_csi_read(csi, CSI_CCIR_CODE_2));
+ dev_dbg(csi->ipu->dev, "CSI_CCIR_CODE_3: %08x\n",
+ ipu_csi_read(csi, CSI_CCIR_CODE_3));
+ dev_dbg(csi->ipu->dev, "CSI_MIPI_DI: %08x\n",
+ ipu_csi_read(csi, CSI_MIPI_DI));
+ dev_dbg(csi->ipu->dev, "CSI_SKIP: %08x\n",
+ ipu_csi_read(csi, CSI_SKIP));
+}
+EXPORT_SYMBOL_GPL(ipu_csi_dump);
new file mode 100644
@@ -0,0 +1,812 @@
+/*
+ * Copyright (C) 2012-2014 Mentor Graphics Inc.
+ * Copyright 2005-2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/spinlock.h>
+#include <linux/bitrev.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include "ipu-prv.h"
+
+/* IC Register Offsets */
+#define IC_CONF 0x0000
+#define IC_PRP_ENC_RSC 0x0004
+#define IC_PRP_VF_RSC 0x0008
+#define IC_PP_RSC 0x000C
+#define IC_CMBP_1 0x0010
+#define IC_CMBP_2 0x0014
+#define IC_IDMAC_1 0x0018
+#define IC_IDMAC_2 0x001C
+#define IC_IDMAC_3 0x0020
+#define IC_IDMAC_4 0x0024
+
+/* IC Register Fields */
+#define IC_CONF_PRPENC_EN (1 << 0)
+#define IC_CONF_PRPENC_CSC1 (1 << 1)
+#define IC_CONF_PRPENC_ROT_EN (1 << 2)
+#define IC_CONF_PRPVF_EN (1 << 8)
+#define IC_CONF_PRPVF_CSC1 (1 << 9)
+#define IC_CONF_PRPVF_CSC2 (1 << 10)
+#define IC_CONF_PRPVF_CMB (1 << 11)
+#define IC_CONF_PRPVF_ROT_EN (1 << 12)
+#define IC_CONF_PP_EN (1 << 16)
+#define IC_CONF_PP_CSC1 (1 << 17)
+#define IC_CONF_PP_CSC2 (1 << 18)
+#define IC_CONF_PP_CMB (1 << 19)
+#define IC_CONF_PP_ROT_EN (1 << 20)
+#define IC_CONF_IC_GLB_LOC_A (1 << 28)
+#define IC_CONF_KEY_COLOR_EN (1 << 29)
+#define IC_CONF_RWS_EN (1 << 30)
+#define IC_CONF_CSI_MEM_WR_EN (1 << 31)
+
+#define IC_IDMAC_1_CB0_BURST_16 (1 << 0)
+#define IC_IDMAC_1_CB1_BURST_16 (1 << 1)
+#define IC_IDMAC_1_CB2_BURST_16 (1 << 2)
+#define IC_IDMAC_1_CB3_BURST_16 (1 << 3)
+#define IC_IDMAC_1_CB4_BURST_16 (1 << 4)
+#define IC_IDMAC_1_CB5_BURST_16 (1 << 5)
+#define IC_IDMAC_1_CB6_BURST_16 (1 << 6)
+#define IC_IDMAC_1_CB7_BURST_16 (1 << 7)
+#define IC_IDMAC_1_PRPENC_ROT_MASK (0x7 << 11)
+#define IC_IDMAC_1_PRPENC_ROT_OFFSET 11
+#define IC_IDMAC_1_PRPVF_ROT_MASK (0x7 << 14)
+#define IC_IDMAC_1_PRPVF_ROT_OFFSET 14
+#define IC_IDMAC_1_PP_ROT_MASK (0x7 << 17)
+#define IC_IDMAC_1_PP_ROT_OFFSET 17
+#define IC_IDMAC_1_PP_FLIP_RS (1 << 22)
+#define IC_IDMAC_1_PRPVF_FLIP_RS (1 << 21)
+#define IC_IDMAC_1_PRPENC_FLIP_RS (1 << 20)
+
+#define IC_IDMAC_2_PRPENC_HEIGHT_MASK (0x3ff << 0)
+#define IC_IDMAC_2_PRPENC_HEIGHT_OFFSET 0
+#define IC_IDMAC_2_PRPVF_HEIGHT_MASK (0x3ff << 10)
+#define IC_IDMAC_2_PRPVF_HEIGHT_OFFSET 10
+#define IC_IDMAC_2_PP_HEIGHT_MASK (0x3ff << 20)
+#define IC_IDMAC_2_PP_HEIGHT_OFFSET 20
+
+#define IC_IDMAC_3_PRPENC_WIDTH_MASK (0x3ff << 0)
+#define IC_IDMAC_3_PRPENC_WIDTH_OFFSET 0
+#define IC_IDMAC_3_PRPVF_WIDTH_MASK (0x3ff << 10)
+#define IC_IDMAC_3_PRPVF_WIDTH_OFFSET 10
+#define IC_IDMAC_3_PP_WIDTH_MASK (0x3ff << 20)
+#define IC_IDMAC_3_PP_WIDTH_OFFSET 20
+
+struct ic_task_regoffs {
+ u32 rsc;
+ u32 tpmem_csc[2];
+};
+
+struct ic_task_bitfields {
+ u32 ic_conf_en;
+ u32 ic_conf_rot_en;
+ u32 ic_conf_cmb_en;
+ u32 ic_conf_csc1_en;
+ u32 ic_conf_csc2_en;
+ u32 ic_cmb_galpha_bit;
+};
+
+static const struct ic_task_regoffs ic_task_reg[IC_NUM_TASKS] = {
+ [IC_TASK_ENCODER] = {
+ .rsc = IC_PRP_ENC_RSC,
+ .tpmem_csc = {0x2008, 0},
+ },
+ [IC_TASK_VIEWFINDER] = {
+ .rsc = IC_PRP_VF_RSC,
+ .tpmem_csc = {0x4028, 0x4040},
+ },
+ [IC_TASK_POST_PROCESSOR] = {
+ .rsc = IC_PP_RSC,
+ .tpmem_csc = {0x6060, 0x6078},
+ },
+};
+
+static const struct ic_task_bitfields ic_task_bit[IC_NUM_TASKS] = {
+ [IC_TASK_ENCODER] = {
+ .ic_conf_en = IC_CONF_PRPENC_EN,
+ .ic_conf_rot_en = IC_CONF_PRPENC_ROT_EN,
+ .ic_conf_cmb_en = 0, /* NA */
+ .ic_conf_csc1_en = IC_CONF_PRPENC_CSC1,
+ .ic_conf_csc2_en = 0, /* NA */
+ .ic_cmb_galpha_bit = 0, /* NA */
+ },
+ [IC_TASK_VIEWFINDER] = {
+ .ic_conf_en = IC_CONF_PRPVF_EN,
+ .ic_conf_rot_en = IC_CONF_PRPVF_ROT_EN,
+ .ic_conf_cmb_en = IC_CONF_PRPVF_CMB,
+ .ic_conf_csc1_en = IC_CONF_PRPVF_CSC1,
+ .ic_conf_csc2_en = IC_CONF_PRPVF_CSC2,
+ .ic_cmb_galpha_bit = 0,
+ },
+ [IC_TASK_POST_PROCESSOR] = {
+ .ic_conf_en = IC_CONF_PP_EN,
+ .ic_conf_rot_en = IC_CONF_PP_ROT_EN,
+ .ic_conf_cmb_en = IC_CONF_PP_CMB,
+ .ic_conf_csc1_en = IC_CONF_PP_CSC1,
+ .ic_conf_csc2_en = IC_CONF_PP_CSC2,
+ .ic_cmb_galpha_bit = 8,
+ },
+};
+
+struct ipu_ic_priv;
+
+struct ipu_ic {
+ enum ipu_ic_task task;
+ const struct ic_task_regoffs *reg;
+ const struct ic_task_bitfields *bit;
+
+ enum ipu_color_space in_cs, g_in_cs;
+ enum ipu_color_space out_cs;
+ bool graphics;
+ bool rotation;
+ bool in_use;
+
+ struct ipu_ic_priv *priv;
+};
+
+struct ipu_ic_priv {
+ void __iomem *base;
+ void __iomem *tpmem_base;
+ spinlock_t lock;
+ struct ipu_soc *ipu;
+ int use_count;
+ struct ipu_ic task[IC_NUM_TASKS];
+};
+
+static inline u32 ipu_ic_read(struct ipu_ic *ic, unsigned offset)
+{
+ return readl(ic->priv->base + offset);
+}
+
+static inline void ipu_ic_write(struct ipu_ic *ic, u32 value,
+ unsigned offset)
+{
+ writel(value, ic->priv->base + offset);
+}
+
+static void init_csc_rgb2ycbcr(u32 __iomem *base)
+{
+ /*
+ * Y = R * .299 + G * .587 + B * .114;
+ * U = R * -.169 + G * -.332 + B * .500 + 128.;
+ * V = R * .500 + G * -.419 + B * -.0813 + 128.;
+ */
+ const u32 coeff[4][3] = {
+ {0x004D, 0x0096, 0x001D},
+ {0x01D5, 0x01AB, 0x0080},
+ {0x0080, 0x0195, 0x01EB},
+ {0x0000, 0x0200, 0x0200}, /* A0, A1, A2 */
+ };
+ u32 param;
+
+ param = (coeff[3][0] << 27) | (coeff[0][0] << 18) |
+ (coeff[1][1] << 9) | coeff[2][2];
+ writel(param, base++);
+
+ /* scale = 1, sat = 0 */
+ param = (coeff[3][0] >> 5) | (1UL << 8);
+ writel(param, base++);
+
+ param = (coeff[3][1] << 27) | (coeff[0][1] << 18) |
+ (coeff[1][0] << 9) | coeff[2][0];
+ writel(param, base++);
+
+ param = (coeff[3][1] >> 5);
+ writel(param, base++);
+
+ param = (coeff[3][2] << 27) | (coeff[0][2] << 18) |
+ (coeff[1][2] << 9) | coeff[2][1];
+ writel(param, base++);
+
+ param = (coeff[3][2] >> 5);
+ writel(param, base++);
+}
+
+static void init_csc_rgb2rgb(u32 __iomem *base)
+{
+ /* transparent RGB->RGB matrix for graphics combining */
+ const u32 coeff[4][3] = {
+ {0x0080, 0x0000, 0x0000},
+ {0x0000, 0x0080, 0x0000},
+ {0x0000, 0x0000, 0x0080},
+ {0x0000, 0x0000, 0x0000}, /* A0, A1, A2 */
+ };
+ u32 param;
+
+ param = (coeff[3][0] << 27) | (coeff[0][0] << 18) |
+ (coeff[1][1] << 9) | coeff[2][2];
+ writel(param, base++);
+
+ /* scale = 2, sat = 0 */
+ param = (coeff[3][0] >> 5) | (2UL << 8);
+ writel(param, base++);
+
+ param = (coeff[3][1] << 27) | (coeff[0][1] << 18) |
+ (coeff[1][0] << 9) | coeff[2][0];
+ writel(param, base++);
+
+ param = (coeff[3][1] >> 5);
+ writel(param, base++);
+
+ param = (coeff[3][2] << 27) | (coeff[0][2] << 18) |
+ (coeff[1][2] << 9) | coeff[2][1];
+ writel(param, base++);
+
+ param = (coeff[3][2] >> 5);
+ writel(param, base++);
+}
+
+static void init_csc_ycbcr2rgb(u32 __iomem *base)
+{
+ /*
+ * R = (1.164 * (Y - 16)) + (1.596 * (Cr - 128));
+ * G = (1.164 * (Y - 16)) - (0.392 * (Cb - 128)) - (0.813 * (Cr - 128));
+ * B = (1.164 * (Y - 16)) + (2.017 * (Cb - 128);
+ */
+ const u32 coeff[4][3] = {
+ {149, 0, 204},
+ {149, 462, 408},
+ {149, 255, 0},
+ {8192 - 446, 266, 8192 - 554}, /* A0, A1, A2 */
+ };
+ u32 param;
+
+ param = (coeff[3][0] << 27) | (coeff[0][0] << 18) |
+ (coeff[1][1] << 9) | coeff[2][2];
+ writel(param, base++);
+
+ /* scale = 2, sat = 0 */
+ param = (coeff[3][0] >> 5) | (2L << (40 - 32));
+ writel(param, base++);
+
+ param = (coeff[3][1] << 27) | (coeff[0][1] << 18) |
+ (coeff[1][0] << 9) | coeff[2][0];
+ writel(param, base++);
+
+ param = (coeff[3][1] >> 5);
+ writel(param, base++);
+
+ param = (coeff[3][2] << 27) | (coeff[0][2] << 18) |
+ (coeff[1][2] << 9) | coeff[2][1];
+ writel(param, base++);
+
+ param = (coeff[3][2] >> 5);
+ writel(param, base++);
+}
+
+static int init_csc(struct ipu_ic *ic,
+ enum ipu_color_space inf,
+ enum ipu_color_space outf,
+ int csc_index)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ u32 __iomem *base;
+
+ base = (u32 __iomem *)
+ (priv->tpmem_base + ic->reg->tpmem_csc[csc_index]);
+
+ if (inf == IPUV3_COLORSPACE_YUV && outf == IPUV3_COLORSPACE_RGB)
+ init_csc_ycbcr2rgb(base);
+ else if (inf == IPUV3_COLORSPACE_RGB && outf == IPUV3_COLORSPACE_YUV)
+ init_csc_rgb2ycbcr(base);
+ else if (inf == IPUV3_COLORSPACE_RGB && outf == IPUV3_COLORSPACE_RGB)
+ init_csc_rgb2rgb(base);
+ else {
+ dev_err(priv->ipu->dev, "Unsupported color space conversion\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int calc_resize_coeffs(struct ipu_ic *ic,
+ u32 in_size, u32 out_size,
+ u32 *resize_coeff,
+ u32 *downsize_coeff)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ struct ipu_soc *ipu = priv->ipu;
+ u32 temp_size, temp_downsize;
+
+ /*
+ * Input size cannot be more than 4096, and output size cannot
+ * be more than 1024
+ */
+ if (in_size > 4096) {
+ dev_err(ipu->dev, "Unsupported resize (in_size > 4096)\n");
+ return -EINVAL;
+ }
+ if (out_size > 1024) {
+ dev_err(ipu->dev, "Unsupported resize (out_size > 1024)\n");
+ return -EINVAL;
+ }
+
+ /* Cannot downsize more than 8:1 */
+ if ((out_size << 3) < in_size) {
+ dev_err(ipu->dev, "Unsupported downsize\n");
+ return -EINVAL;
+ }
+
+ /* Compute downsizing coefficient */
+ temp_downsize = 0;
+ temp_size = in_size;
+ while (((temp_size > 1024) || (temp_size >= out_size * 2)) &&
+ (temp_downsize < 2)) {
+ temp_size >>= 1;
+ temp_downsize++;
+ }
+ *downsize_coeff = temp_downsize;
+
+ /*
+ * compute resizing coefficient using the following equation:
+ * resize_coeff = M * (SI - 1) / (SO - 1)
+ * where M = 2^13, SI = input size, SO = output size
+ */
+ *resize_coeff = (8192L * (temp_size - 1)) / (out_size - 1);
+ if (*resize_coeff >= 16384L) {
+ dev_err(ipu->dev, "Warning! Overflow on resize coeff.\n");
+ *resize_coeff = 0x3FFF;
+ }
+
+ return 0;
+}
+
+void ipu_ic_task_enable(struct ipu_ic *ic)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ unsigned long flags;
+ u32 ic_conf;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ ic_conf = ipu_ic_read(ic, IC_CONF);
+
+ ic_conf |= ic->bit->ic_conf_en;
+
+ if (ic->rotation)
+ ic_conf |= ic->bit->ic_conf_rot_en;
+
+ if (ic->in_cs != ic->out_cs)
+ ic_conf |= ic->bit->ic_conf_csc1_en;
+
+ if (ic->graphics) {
+ ic_conf |= ic->bit->ic_conf_cmb_en;
+ ic_conf |= ic->bit->ic_conf_csc1_en;
+
+ if (ic->g_in_cs != ic->out_cs)
+ ic_conf |= ic->bit->ic_conf_csc2_en;
+ }
+
+ ipu_ic_write(ic, ic_conf, IC_CONF);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_ic_task_enable);
+
+void ipu_ic_task_disable(struct ipu_ic *ic)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ unsigned long flags;
+ u32 ic_conf;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ ic_conf = ipu_ic_read(ic, IC_CONF);
+
+ ic_conf &= ~(ic->bit->ic_conf_en |
+ ic->bit->ic_conf_csc1_en |
+ ic->bit->ic_conf_rot_en);
+ if (ic->bit->ic_conf_csc2_en)
+ ic_conf &= ~ic->bit->ic_conf_csc2_en;
+ if (ic->bit->ic_conf_cmb_en)
+ ic_conf &= ~ic->bit->ic_conf_cmb_en;
+
+ ipu_ic_write(ic, ic_conf, IC_CONF);
+
+ ic->rotation = ic->graphics = false;
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_ic_task_disable);
+
+int ipu_ic_task_graphics_init(struct ipu_ic *ic,
+ enum ipu_color_space in_g_cs,
+ bool galpha_en, u32 galpha,
+ bool colorkey_en, u32 colorkey)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ unsigned long flags;
+ u32 reg, ic_conf;
+ int ret = 0;
+
+ if (ic->task == IC_TASK_ENCODER)
+ return -EINVAL;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ ic_conf = ipu_ic_read(ic, IC_CONF);
+
+ if (!(ic_conf & ic->bit->ic_conf_csc1_en)) {
+ /* need transparent CSC1 conversion */
+ ret = init_csc(ic, IPUV3_COLORSPACE_RGB,
+ IPUV3_COLORSPACE_RGB, 0);
+ if (ret)
+ goto unlock;
+ }
+
+ ic->g_in_cs = in_g_cs;
+
+ if (ic->g_in_cs != ic->out_cs) {
+ ret = init_csc(ic, ic->g_in_cs, ic->out_cs, 1);
+ if (ret)
+ goto unlock;
+ }
+
+ if (galpha_en) {
+ ic_conf |= IC_CONF_IC_GLB_LOC_A;
+ reg = ipu_ic_read(ic, IC_CMBP_1);
+ reg &= ~(0xff << ic->bit->ic_cmb_galpha_bit);
+ reg |= (galpha << ic->bit->ic_cmb_galpha_bit);
+ ipu_ic_write(ic, reg, IC_CMBP_1);
+ } else
+ ic_conf &= ~IC_CONF_IC_GLB_LOC_A;
+
+ if (colorkey_en) {
+ ic_conf |= IC_CONF_KEY_COLOR_EN;
+ ipu_ic_write(ic, colorkey, IC_CMBP_2);
+ } else
+ ic_conf &= ~IC_CONF_KEY_COLOR_EN;
+
+ ipu_ic_write(ic, ic_conf, IC_CONF);
+
+ ic->graphics = true;
+unlock:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ipu_ic_task_graphics_init);
+
+int ipu_ic_task_init(struct ipu_ic *ic,
+ int in_width, int in_height,
+ int out_width, int out_height,
+ enum ipu_color_space in_cs,
+ enum ipu_color_space out_cs)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ u32 reg, downsize_coeff, resize_coeff;
+ unsigned long flags;
+ int ret = 0;
+
+ /* Setup vertical resizing */
+ ret = calc_resize_coeffs(ic, in_height, out_height,
+ &resize_coeff, &downsize_coeff);
+ if (ret)
+ return ret;
+
+ reg = (downsize_coeff << 30) | (resize_coeff << 16);
+
+ /* Setup horizontal resizing */
+ ret = calc_resize_coeffs(ic, in_width, out_width,
+ &resize_coeff, &downsize_coeff);
+ if (ret)
+ return ret;
+
+ reg |= (downsize_coeff << 14) | resize_coeff;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ ipu_ic_write(ic, reg, ic->reg->rsc);
+
+ /* Setup color space conversion */
+ ic->in_cs = in_cs;
+ ic->out_cs = out_cs;
+
+ if (ic->in_cs != ic->out_cs) {
+ ret = init_csc(ic, ic->in_cs, ic->out_cs, 0);
+ if (ret)
+ goto unlock;
+ }
+
+unlock:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ipu_ic_task_init);
+
+int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
+ u32 width, u32 height, int burst_size,
+ enum ipu_rotate_mode rot)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ struct ipu_soc *ipu = priv->ipu;
+ u32 ic_idmac_1, ic_idmac_2, ic_idmac_3;
+ u32 temp_rot = bitrev8(rot) >> 5;
+ bool need_hor_flip = false;
+ unsigned long flags;
+ int ret = 0;
+
+ if ((burst_size != 8) && (burst_size != 16)) {
+ dev_err(ipu->dev, "Illegal burst length for IC\n");
+ return -EINVAL;
+ }
+
+ width--;
+ height--;
+
+ if (temp_rot & 0x2) /* Need horizontal flip */
+ need_hor_flip = true;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ ic_idmac_1 = ipu_ic_read(ic, IC_IDMAC_1);
+ ic_idmac_2 = ipu_ic_read(ic, IC_IDMAC_2);
+ ic_idmac_3 = ipu_ic_read(ic, IC_IDMAC_3);
+
+ switch (channel->num) {
+ case IPUV3_CHANNEL_IC_PP_MEM:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB2_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB2_BURST_16;
+
+ if (need_hor_flip)
+ ic_idmac_1 |= IC_IDMAC_1_PP_FLIP_RS;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_PP_FLIP_RS;
+
+ ic_idmac_2 &= ~IC_IDMAC_2_PP_HEIGHT_MASK;
+ ic_idmac_2 |= height << IC_IDMAC_2_PP_HEIGHT_OFFSET;
+
+ ic_idmac_3 &= ~IC_IDMAC_3_PP_WIDTH_MASK;
+ ic_idmac_3 |= width << IC_IDMAC_3_PP_WIDTH_OFFSET;
+ break;
+ case IPUV3_CHANNEL_MEM_IC_PP:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB5_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB5_BURST_16;
+ break;
+ case IPUV3_CHANNEL_MEM_ROT_PP:
+ ic_idmac_1 &= ~IC_IDMAC_1_PP_ROT_MASK;
+ ic_idmac_1 |= temp_rot << IC_IDMAC_1_PP_ROT_OFFSET;
+ break;
+ case IPUV3_CHANNEL_MEM_IC_PRP_VF:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB6_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB6_BURST_16;
+ break;
+ case IPUV3_CHANNEL_IC_PRP_ENC_MEM:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB0_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB0_BURST_16;
+
+ if (need_hor_flip)
+ ic_idmac_1 |= IC_IDMAC_1_PRPENC_FLIP_RS;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_PRPENC_FLIP_RS;
+
+ ic_idmac_2 &= ~IC_IDMAC_2_PRPENC_HEIGHT_MASK;
+ ic_idmac_2 |= height << IC_IDMAC_2_PRPENC_HEIGHT_OFFSET;
+
+ ic_idmac_3 &= ~IC_IDMAC_3_PRPENC_WIDTH_MASK;
+ ic_idmac_3 |= width << IC_IDMAC_3_PRPENC_WIDTH_OFFSET;
+ break;
+ case IPUV3_CHANNEL_MEM_ROT_ENC:
+ ic_idmac_1 &= ~IC_IDMAC_1_PRPENC_ROT_MASK;
+ ic_idmac_1 |= temp_rot << IC_IDMAC_1_PRPENC_ROT_OFFSET;
+ break;
+ case IPUV3_CHANNEL_IC_PRP_VF_MEM:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB1_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB1_BURST_16;
+
+ if (need_hor_flip)
+ ic_idmac_1 |= IC_IDMAC_1_PRPVF_FLIP_RS;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_PRPVF_FLIP_RS;
+
+ ic_idmac_2 &= ~IC_IDMAC_2_PRPVF_HEIGHT_MASK;
+ ic_idmac_2 |= height << IC_IDMAC_2_PRPVF_HEIGHT_OFFSET;
+
+ ic_idmac_3 &= ~IC_IDMAC_3_PRPVF_WIDTH_MASK;
+ ic_idmac_3 |= width << IC_IDMAC_3_PRPVF_WIDTH_OFFSET;
+ break;
+ case IPUV3_CHANNEL_MEM_ROT_VF:
+ ic_idmac_1 &= ~IC_IDMAC_1_PRPVF_ROT_MASK;
+ ic_idmac_1 |= temp_rot << IC_IDMAC_1_PRPVF_ROT_OFFSET;
+ break;
+ case IPUV3_CHANNEL_G_MEM_IC_PRP_VF:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB3_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB3_BURST_16;
+ break;
+ case IPUV3_CHANNEL_G_MEM_IC_PP:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB4_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB4_BURST_16;
+ break;
+ case IPUV3_CHANNEL_VDI_MEM_IC_VF:
+ if (burst_size == 16)
+ ic_idmac_1 |= IC_IDMAC_1_CB7_BURST_16;
+ else
+ ic_idmac_1 &= ~IC_IDMAC_1_CB7_BURST_16;
+ break;
+ default:
+ goto unlock;
+ }
+
+ ipu_ic_write(ic, ic_idmac_1, IC_IDMAC_1);
+ ipu_ic_write(ic, ic_idmac_2, IC_IDMAC_2);
+ ipu_ic_write(ic, ic_idmac_3, IC_IDMAC_3);
+
+ if (rot >= IPU_ROTATE_90_RIGHT)
+ ic->rotation = true;
+
+unlock:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ipu_ic_task_idma_init);
+
+int ipu_ic_enable(struct ipu_ic *ic)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ unsigned long flags;
+ u32 module = IPU_CONF_IC_EN;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ if (ic->rotation)
+ module |= IPU_CONF_ROT_EN;
+
+ if (!priv->use_count)
+ ipu_module_enable(priv->ipu, module);
+
+ priv->use_count++;
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_ic_enable);
+
+int ipu_ic_disable(struct ipu_ic *ic)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ unsigned long flags;
+ u32 module = IPU_CONF_IC_EN | IPU_CONF_ROT_EN;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ priv->use_count--;
+
+ if (!priv->use_count)
+ ipu_module_disable(priv->ipu, module);
+
+ if (priv->use_count < 0)
+ priv->use_count = 0;
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ipu_ic_disable);
+
+struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task)
+{
+ struct ipu_ic_priv *priv = ipu->ic_priv;
+ unsigned long flags;
+ struct ipu_ic *ic, *ret;
+
+ if (task >= IC_NUM_TASKS)
+ return ERR_PTR(-EINVAL);
+
+ ic = &priv->task[task];
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ if (ic->in_use) {
+ ret = ERR_PTR(-EBUSY);
+ goto unlock;
+ }
+
+ ic->in_use = true;
+ ret = ic;
+
+unlock:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ipu_ic_get);
+
+void ipu_ic_put(struct ipu_ic *ic)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ ic->in_use = false;
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+EXPORT_SYMBOL_GPL(ipu_ic_put);
+
+int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,
+ unsigned long base, unsigned long tpmem_base)
+{
+ struct ipu_ic_priv *priv;
+ int i;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ ipu->ic_priv = priv;
+
+ spin_lock_init(&priv->lock);
+ priv->base = devm_ioremap(dev, base, PAGE_SIZE);
+ if (!priv->base)
+ return -ENOMEM;
+ priv->tpmem_base = devm_ioremap(dev, tpmem_base, SZ_64K);
+ if (!priv->tpmem_base)
+ return -ENOMEM;
+
+ dev_dbg(dev, "IC base: 0x%08lx remapped to %p\n", base, priv->base);
+
+ priv->ipu = ipu;
+
+ for (i = 0; i < IC_NUM_TASKS; i++) {
+ priv->task[i].task = i;
+ priv->task[i].priv = priv;
+ priv->task[i].reg = &ic_task_reg[i];
+ priv->task[i].bit = &ic_task_bit[i];
+ }
+
+ return 0;
+}
+
+void ipu_ic_exit(struct ipu_soc *ipu)
+{
+}
+
+void ipu_ic_dump(struct ipu_ic *ic)
+{
+ struct ipu_ic_priv *priv = ic->priv;
+ struct ipu_soc *ipu = priv->ipu;
+
+ dev_dbg(ipu->dev, "IC_CONF = \t0x%08X\n",
+ ipu_ic_read(ic, IC_CONF));
+ dev_dbg(ipu->dev, "IC_PRP_ENC_RSC = \t0x%08X\n",
+ ipu_ic_read(ic, IC_PRP_ENC_RSC));
+ dev_dbg(ipu->dev, "IC_PRP_VF_RSC = \t0x%08X\n",
+ ipu_ic_read(ic, IC_PRP_VF_RSC));
+ dev_dbg(ipu->dev, "IC_PP_RSC = \t0x%08X\n",
+ ipu_ic_read(ic, IC_PP_RSC));
+ dev_dbg(ipu->dev, "IC_CMBP_1 = \t0x%08X\n",
+ ipu_ic_read(ic, IC_CMBP_1));
+ dev_dbg(ipu->dev, "IC_CMBP_2 = \t0x%08X\n",
+ ipu_ic_read(ic, IC_CMBP_2));
+ dev_dbg(ipu->dev, "IC_IDMAC_1 = \t0x%08X\n",
+ ipu_ic_read(ic, IC_IDMAC_1));
+ dev_dbg(ipu->dev, "IC_IDMAC_2 = \t0x%08X\n",
+ ipu_ic_read(ic, IC_IDMAC_2));
+ dev_dbg(ipu->dev, "IC_IDMAC_3 = \t0x%08X\n",
+ ipu_ic_read(ic, IC_IDMAC_3));
+ dev_dbg(ipu->dev, "IC_IDMAC_4 = \t0x%08X\n",
+ ipu_ic_read(ic, IC_IDMAC_4));
+}
+EXPORT_SYMBOL_GPL(ipu_ic_dump);
@@ -156,9 +156,11 @@ struct ipuv3_channel {
struct ipu_soc *ipu;
};
+struct ipu_csi;
struct ipu_dc_priv;
struct ipu_dmfc_priv;
struct ipu_di;
+struct ipu_ic_priv;
struct ipu_smfc_priv;
struct ipu_devtype;
@@ -189,6 +191,8 @@ struct ipu_soc {
struct ipu_dp_priv *dp_priv;
struct ipu_dmfc_priv *dmfc_priv;
struct ipu_di *di_priv[2];
+ struct ipu_csi *csi_priv[2];
+ struct ipu_ic_priv *ic_priv;
struct ipu_smfc_priv *smfc_priv;
};
@@ -200,6 +204,14 @@ int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms);
+int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
+ unsigned long base, u32 module, struct clk *clk_ipu);
+void ipu_csi_exit(struct ipu_soc *ipu, int id);
+
+int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,
+ unsigned long base, unsigned long tpmem_base);
+void ipu_ic_exit(struct ipu_soc *ipu);
+
int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,
unsigned long base, u32 module, struct clk *ipu_clk);
void ipu_di_exit(struct ipu_soc *ipu, int id);
@@ -61,6 +61,65 @@ struct ipu_di_signal_cfg {
u8 vsync_pin;
};
+/*
+ * Bitfield of CSI signal polarities and modes.
+ */
+struct ipu_csi_signal_cfg {
+ unsigned data_width:4;
+ unsigned clk_mode:3;
+ unsigned ext_vsync:1;
+ unsigned vsync_pol:1;
+ unsigned hsync_pol:1;
+ unsigned pixclk_pol:1;
+ unsigned data_pol:1;
+ unsigned sens_clksrc:1;
+ unsigned pack_tight:1;
+ unsigned force_eof:1;
+ unsigned data_en_pol:1;
+
+ unsigned data_fmt;
+ unsigned mipi_dt;
+};
+
+/*
+ * Enumeration of CSI data bus widths.
+ */
+enum ipu_csi_data_width {
+ IPU_CSI_DATA_WIDTH_4 = 0,
+ IPU_CSI_DATA_WIDTH_8 = 1,
+ IPU_CSI_DATA_WIDTH_10 = 3,
+ IPU_CSI_DATA_WIDTH_12 = 5,
+ IPU_CSI_DATA_WIDTH_16 = 9,
+};
+
+/*
+ * Enumeration of CSI clock modes.
+ */
+enum ipu_csi_clk_mode {
+ IPU_CSI_CLK_MODE_GATED_CLK,
+ IPU_CSI_CLK_MODE_NONGATED_CLK,
+ IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE,
+ IPU_CSI_CLK_MODE_CCIR656_INTERLACED,
+ IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR,
+ IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR,
+ IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR,
+ IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR,
+};
+
+/*
+ * Enumeration of IPU rotation modes
+ */
+enum ipu_rotate_mode {
+ IPU_ROTATE_NONE = 0,
+ IPU_ROTATE_VERT_FLIP,
+ IPU_ROTATE_HORIZ_FLIP,
+ IPU_ROTATE_180,
+ IPU_ROTATE_90_RIGHT,
+ IPU_ROTATE_90_RIGHT_VFLIP,
+ IPU_ROTATE_90_RIGHT_HFLIP,
+ IPU_ROTATE_90_LEFT,
+};
+
enum ipu_color_space {
IPUV3_COLORSPACE_RGB,
IPUV3_COLORSPACE_YUV,
@@ -176,8 +235,58 @@ int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
/*
* IPU CMOS Sensor Interface (csi) functions
*/
-int ipu_csi_enable(struct ipu_soc *ipu, int csi);
-int ipu_csi_disable(struct ipu_soc *ipu, int csi);
+struct ipu_csi;
+int ipu_csi_mbus_fmt_to_sig_cfg(struct ipu_csi_signal_cfg *cfg,
+ u32 mbus_code);
+int ipu_csi_init_interface(struct ipu_csi *csi, u16 width, u16 height,
+ struct ipu_csi_signal_cfg *cfg);
+bool ipu_csi_is_interlaced(struct ipu_csi *csi);
+void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
+void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
+void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
+ u32 r_value, u32 g_value, u32 b_value,
+ u32 pix_clk);
+int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
+ struct ipu_csi_signal_cfg *cfg);
+int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
+ u32 max_ratio, u32 id);
+int ipu_csi_set_dest(struct ipu_csi *csi, bool ic);
+int ipu_csi_enable(struct ipu_csi *csi);
+int ipu_csi_disable(struct ipu_csi *csi);
+struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
+void ipu_csi_put(struct ipu_csi *csi);
+void ipu_csi_dump(struct ipu_csi *csi);
+
+/*
+ * IPU Image Converter (ic) functions
+ */
+enum ipu_ic_task {
+ IC_TASK_ENCODER,
+ IC_TASK_VIEWFINDER,
+ IC_TASK_POST_PROCESSOR,
+ IC_NUM_TASKS,
+};
+
+struct ipu_ic;
+int ipu_ic_task_init(struct ipu_ic *ic,
+ int in_width, int in_height,
+ int out_width, int out_height,
+ enum ipu_color_space in_cs,
+ enum ipu_color_space out_cs);
+int ipu_ic_task_graphics_init(struct ipu_ic *ic,
+ enum ipu_color_space in_g_cs,
+ bool galpha_en, u32 galpha,
+ bool colorkey_en, u32 colorkey);
+void ipu_ic_task_enable(struct ipu_ic *ic);
+void ipu_ic_task_disable(struct ipu_ic *ic);
+int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
+ u32 width, u32 height, int burst_size,
+ enum ipu_rotate_mode rot);
+int ipu_ic_enable(struct ipu_ic *ic);
+int ipu_ic_disable(struct ipu_ic *ic);
+struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
+void ipu_ic_put(struct ipu_ic *ic);
+void ipu_ic_dump(struct ipu_ic *ic);
/*
* IPU Sensor Multiple FIFO Controller (SMFC) functions
Adds the following new IPU units: - Camera Sensor Interface (csi) - Image Converter (ic) Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> --- drivers/gpu/ipu-v3/Makefile | 3 +- drivers/gpu/ipu-v3/ipu-common.c | 63 ++- drivers/gpu/ipu-v3/ipu-csi.c | 701 +++++++++++++++++++++++++++++++++ drivers/gpu/ipu-v3/ipu-ic.c | 812 +++++++++++++++++++++++++++++++++++++++ drivers/gpu/ipu-v3/ipu-prv.h | 12 + include/video/imx-ipu-v3.h | 113 +++++- 6 files changed, 1688 insertions(+), 16 deletions(-) create mode 100644 drivers/gpu/ipu-v3/ipu-csi.c create mode 100644 drivers/gpu/ipu-v3/ipu-ic.c