Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 501 insertions, 0 deletions

diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
new file mode 100644
index 000000000..d1b3889f7
--- /dev/null
+++ b/include/video/imx-ipu-v3.h
@@ -0,0 +1,501 @@
+/*
+ * Copyright 2005-2009 Freescale Semiconductor, Inc.
+ *
+ * The code contained herein is licensed under the GNU Lesser General
+ * Public License.  You may obtain a copy of the GNU Lesser General
+ * Public License Version 2.1 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/lgpl-license.html
+ * http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#ifndef __DRM_IPU_H__
+#define __DRM_IPU_H__
+
+#include <linux/types.h>
+#include <linux/videodev2.h>
+#include <linux/bitmap.h>
+#include <linux/fb.h>
+#include <linux/of.h>
+#include <media/v4l2-mediabus.h>
+#include <video/videomode.h>
+
+struct ipu_soc;
+
+enum ipuv3_type {
+	IPUV3EX,
+	IPUV3M,
+	IPUV3H,
+};
+
+#define IPU_PIX_FMT_GBR24	v4l2_fourcc('G', 'B', 'R', '3')
+
+/*
+ * Bitfield of Display Interface signal polarities.
+ */
+struct ipu_di_signal_cfg {
+	unsigned data_pol:1;	/* true = inverted */
+	unsigned clk_pol:1;	/* true = rising edge */
+	unsigned enable_pol:1;
+
+	struct videomode mode;
+
+	u32 bus_format;
+	u32 v_to_h_sync;
+
+#define IPU_DI_CLKMODE_SYNC	(1 << 0)
+#define IPU_DI_CLKMODE_EXT	(1 << 1)
+	unsigned long clkflags;
+
+	u8 hsync_pin;
+	u8 vsync_pin;
+};
+
+/*
+ * Enumeration of CSI destinations
+ */
+enum ipu_csi_dest {
+	IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
+	IPU_CSI_DEST_IC,	/* to Image Converter */
+	IPU_CSI_DEST_VDIC,  /* to VDIC */
+};
+
+/*
+ * Enumeration of IPU rotation modes
+ */
+#define IPU_ROT_BIT_VFLIP (1 << 0)
+#define IPU_ROT_BIT_HFLIP (1 << 1)
+#define IPU_ROT_BIT_90    (1 << 2)
+
+enum ipu_rotate_mode {
+	IPU_ROTATE_NONE = 0,
+	IPU_ROTATE_VERT_FLIP = IPU_ROT_BIT_VFLIP,
+	IPU_ROTATE_HORIZ_FLIP = IPU_ROT_BIT_HFLIP,
+	IPU_ROTATE_180 = (IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP),
+	IPU_ROTATE_90_RIGHT = IPU_ROT_BIT_90,
+	IPU_ROTATE_90_RIGHT_VFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_VFLIP),
+	IPU_ROTATE_90_RIGHT_HFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_HFLIP),
+	IPU_ROTATE_90_LEFT = (IPU_ROT_BIT_90 |
+			      IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP),
+};
+
+/* 90-degree rotations require the IRT unit */
+#define ipu_rot_mode_is_irt(m) (((m) & IPU_ROT_BIT_90) != 0)
+
+enum ipu_color_space {
+	IPUV3_COLORSPACE_RGB,
+	IPUV3_COLORSPACE_YUV,
+	IPUV3_COLORSPACE_UNKNOWN,
+};
+
+/*
+ * Enumeration of VDI MOTION select
+ */
+enum ipu_motion_sel {
+	MOTION_NONE = 0,
+	LOW_MOTION,
+	MED_MOTION,
+	HIGH_MOTION,
+};
+
+struct ipuv3_channel;
+
+enum ipu_channel_irq {
+	IPU_IRQ_EOF = 0,
+	IPU_IRQ_NFACK = 64,
+	IPU_IRQ_NFB4EOF = 128,
+	IPU_IRQ_EOS = 192,
+};
+
+/*
+ * Enumeration of IDMAC channels
+ */
+#define IPUV3_CHANNEL_CSI0			 0
+#define IPUV3_CHANNEL_CSI1			 1
+#define IPUV3_CHANNEL_CSI2			 2
+#define IPUV3_CHANNEL_CSI3			 3
+#define IPUV3_CHANNEL_VDI_MEM_IC_VF		 5
+/*
+ * NOTE: channels 6,7 are unused in the IPU and are not IDMAC channels,
+ * but the direct CSI->VDI linking is handled the same way as IDMAC
+ * channel linking in the FSU via the IPU_FS_PROC_FLOW registers, so
+ * these channel names are used to support the direct CSI->VDI link.
+ */
+#define IPUV3_CHANNEL_CSI_DIRECT		 6
+#define IPUV3_CHANNEL_CSI_VDI_PREV		 7
+#define IPUV3_CHANNEL_MEM_VDI_PREV		 8
+#define IPUV3_CHANNEL_MEM_VDI_CUR		 9
+#define IPUV3_CHANNEL_MEM_VDI_NEXT		10
+#define IPUV3_CHANNEL_MEM_IC_PP			11
+#define IPUV3_CHANNEL_MEM_IC_PRP_VF		12
+#define IPUV3_CHANNEL_VDI_MEM_RECENT		13
+#define IPUV3_CHANNEL_G_MEM_IC_PRP_VF		14
+#define IPUV3_CHANNEL_G_MEM_IC_PP		15
+#define IPUV3_CHANNEL_G_MEM_IC_PRP_VF_ALPHA	17
+#define IPUV3_CHANNEL_G_MEM_IC_PP_ALPHA		18
+#define IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB_ALPHA	19
+#define IPUV3_CHANNEL_IC_PRP_ENC_MEM		20
+#define IPUV3_CHANNEL_IC_PRP_VF_MEM		21
+#define IPUV3_CHANNEL_IC_PP_MEM			22
+#define IPUV3_CHANNEL_MEM_BG_SYNC		23
+#define IPUV3_CHANNEL_MEM_BG_ASYNC		24
+#define IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB	25
+#define IPUV3_CHANNEL_MEM_VDI_PLANE3_COMB	26
+#define IPUV3_CHANNEL_MEM_FG_SYNC		27
+#define IPUV3_CHANNEL_MEM_DC_SYNC		28
+#define IPUV3_CHANNEL_MEM_FG_ASYNC		29
+#define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA		31
+#define IPUV3_CHANNEL_MEM_FG_ASYNC_ALPHA	33
+#define IPUV3_CHANNEL_DC_MEM_READ		40
+#define IPUV3_CHANNEL_MEM_DC_ASYNC		41
+#define IPUV3_CHANNEL_MEM_DC_COMMAND		42
+#define IPUV3_CHANNEL_MEM_DC_COMMAND2		43
+#define IPUV3_CHANNEL_MEM_DC_OUTPUT_MASK	44
+#define IPUV3_CHANNEL_MEM_ROT_ENC		45
+#define IPUV3_CHANNEL_MEM_ROT_VF		46
+#define IPUV3_CHANNEL_MEM_ROT_PP		47
+#define IPUV3_CHANNEL_ROT_ENC_MEM		48
+#define IPUV3_CHANNEL_ROT_VF_MEM		49
+#define IPUV3_CHANNEL_ROT_PP_MEM		50
+#define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA		51
+#define IPUV3_CHANNEL_MEM_BG_ASYNC_ALPHA	52
+#define IPUV3_NUM_CHANNELS			64
+
+static inline int ipu_channel_alpha_channel(int ch_num)
+{
+	switch (ch_num) {
+	case IPUV3_CHANNEL_G_MEM_IC_PRP_VF:
+		return IPUV3_CHANNEL_G_MEM_IC_PRP_VF_ALPHA;
+	case IPUV3_CHANNEL_G_MEM_IC_PP:
+		return IPUV3_CHANNEL_G_MEM_IC_PP_ALPHA;
+	case IPUV3_CHANNEL_MEM_FG_SYNC:
+		return IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA;
+	case IPUV3_CHANNEL_MEM_FG_ASYNC:
+		return IPUV3_CHANNEL_MEM_FG_ASYNC_ALPHA;
+	case IPUV3_CHANNEL_MEM_BG_SYNC:
+		return IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA;
+	case IPUV3_CHANNEL_MEM_BG_ASYNC:
+		return IPUV3_CHANNEL_MEM_BG_ASYNC_ALPHA;
+	case IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB:
+		return IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB_ALPHA;
+	default:
+		return -EINVAL;
+	}
+}
+
+int ipu_map_irq(struct ipu_soc *ipu, int irq);
+int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
+		enum ipu_channel_irq irq);
+
+#define IPU_IRQ_DP_SF_START		(448 + 2)
+#define IPU_IRQ_DP_SF_END		(448 + 3)
+#define IPU_IRQ_BG_SF_END		IPU_IRQ_DP_SF_END,
+#define IPU_IRQ_DC_FC_0			(448 + 8)
+#define IPU_IRQ_DC_FC_1			(448 + 9)
+#define IPU_IRQ_DC_FC_2			(448 + 10)
+#define IPU_IRQ_DC_FC_3			(448 + 11)
+#define IPU_IRQ_DC_FC_4			(448 + 12)
+#define IPU_IRQ_DC_FC_6			(448 + 13)
+#define IPU_IRQ_VSYNC_PRE_0		(448 + 14)
+#define IPU_IRQ_VSYNC_PRE_1		(448 + 15)
+
+/*
+ * IPU Common functions
+ */
+int ipu_get_num(struct ipu_soc *ipu);
+void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
+void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
+void ipu_dump(struct ipu_soc *ipu);
+
+/*
+ * IPU Image DMA Controller (idmac) functions
+ */
+struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
+void ipu_idmac_put(struct ipuv3_channel *);
+
+int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
+int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
+void ipu_idmac_enable_watermark(struct ipuv3_channel *channel, bool enable);
+int ipu_idmac_lock_enable(struct ipuv3_channel *channel, int num_bursts);
+int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
+
+void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
+		bool doublebuffer);
+int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
+bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num);
+void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
+void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num);
+int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch);
+int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch);
+int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink);
+int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink);
+
+/*
+ * IPU Channel Parameter Memory (cpmem) functions
+ */
+struct ipu_rgb {
+	struct fb_bitfield      red;
+	struct fb_bitfield      green;
+	struct fb_bitfield      blue;
+	struct fb_bitfield      transp;
+	int                     bits_per_pixel;
+};
+
+struct ipu_image {
+	struct v4l2_pix_format pix;
+	struct v4l2_rect rect;
+	dma_addr_t phys0;
+	dma_addr_t phys1;
+	/* chroma plane offset overrides */
+	u32 u_offset;
+	u32 v_offset;
+};
+
+void ipu_cpmem_zero(struct ipuv3_channel *ch);
+void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
+void ipu_cpmem_skip_odd_chroma_rows(struct ipuv3_channel *ch);
+void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
+void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
+void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
+void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off);
+void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride,
+			       u32 pixelformat);
+void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
+int ipu_cpmem_get_burstsize(struct ipuv3_channel *ch);
+void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
+void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
+void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
+			    enum ipu_rotate_mode rot);
+int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
+			     const struct ipu_rgb *rgb);
+int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
+void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
+void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
+				   unsigned int uv_stride,
+				   unsigned int u_offset,
+				   unsigned int v_offset);
+int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
+int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
+void ipu_cpmem_dump(struct ipuv3_channel *ch);
+
+/*
+ * IPU Display Controller (dc) functions
+ */
+struct ipu_dc;
+struct ipu_di;
+struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
+void ipu_dc_put(struct ipu_dc *dc);
+int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
+		u32 pixel_fmt, u32 width);
+void ipu_dc_enable(struct ipu_soc *ipu);
+void ipu_dc_enable_channel(struct ipu_dc *dc);
+void ipu_dc_disable_channel(struct ipu_dc *dc);
+void ipu_dc_disable(struct ipu_soc *ipu);
+
+/*
+ * IPU Display Interface (di) functions
+ */
+struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
+void ipu_di_put(struct ipu_di *);
+int ipu_di_disable(struct ipu_di *);
+int ipu_di_enable(struct ipu_di *);
+int ipu_di_get_num(struct ipu_di *);
+int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode);
+int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
+
+/*
+ * IPU Display Multi FIFO Controller (dmfc) functions
+ */
+struct dmfc_channel;
+int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
+void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
+void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width);
+struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
+void ipu_dmfc_put(struct dmfc_channel *dmfc);
+
+/*
+ * IPU Display Processor (dp) functions
+ */
+#define IPU_DP_FLOW_SYNC_BG	0
+#define IPU_DP_FLOW_SYNC_FG	1
+#define IPU_DP_FLOW_ASYNC0_BG	2
+#define IPU_DP_FLOW_ASYNC0_FG	3
+#define IPU_DP_FLOW_ASYNC1_BG	4
+#define IPU_DP_FLOW_ASYNC1_FG	5
+
+struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
+void ipu_dp_put(struct ipu_dp *);
+int ipu_dp_enable(struct ipu_soc *ipu);
+int ipu_dp_enable_channel(struct ipu_dp *dp);
+void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync);
+void ipu_dp_disable(struct ipu_soc *ipu);
+int ipu_dp_setup_channel(struct ipu_dp *dp,
+		enum ipu_color_space in, enum ipu_color_space out);
+int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
+int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
+		bool bg_chan);
+
+/*
+ * IPU Prefetch Resolve Gasket (prg) functions
+ */
+int ipu_prg_max_active_channels(void);
+bool ipu_prg_present(struct ipu_soc *ipu);
+bool ipu_prg_format_supported(struct ipu_soc *ipu, uint32_t format,
+			      uint64_t modifier);
+int ipu_prg_enable(struct ipu_soc *ipu);
+void ipu_prg_disable(struct ipu_soc *ipu);
+void ipu_prg_channel_disable(struct ipuv3_channel *ipu_chan);
+int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan,
+			      unsigned int axi_id,  unsigned int width,
+			      unsigned int height, unsigned int stride,
+			      u32 format, uint64_t modifier, unsigned long *eba);
+bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan);
+
+/*
+ * IPU CMOS Sensor Interface (csi) functions
+ */
+struct ipu_csi;
+int ipu_csi_init_interface(struct ipu_csi *csi,
+			   const struct v4l2_mbus_config *mbus_cfg,
+			   const struct v4l2_mbus_framefmt *infmt,
+			   const struct v4l2_mbus_framefmt *outfmt);
+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_downsize(struct ipu_csi *csi, bool horiz, bool vert);
+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 v4l2_mbus_framefmt *mbus_fmt);
+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, enum ipu_csi_dest csi_dest);
+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,
+};
+
+/*
+ * The parameters that describe a colorspace according to the
+ * Image Converter:
+ *    - Y'CbCr encoding
+ *    - quantization
+ *    - "colorspace" (RGB or YUV).
+ */
+struct ipu_ic_colorspace {
+	enum v4l2_ycbcr_encoding enc;
+	enum v4l2_quantization quant;
+	enum ipu_color_space cs;
+};
+
+static inline void
+ipu_ic_fill_colorspace(struct ipu_ic_colorspace *ic_cs,
+		       enum v4l2_ycbcr_encoding enc,
+		       enum v4l2_quantization quant,
+		       enum ipu_color_space cs)
+{
+	ic_cs->enc = enc;
+	ic_cs->quant = quant;
+	ic_cs->cs = cs;
+}
+
+struct ipu_ic_csc_params {
+	s16 coeff[3][3];	/* signed 9-bit integer coefficients */
+	s16 offset[3];		/* signed 11+2-bit fixed point offset */
+	u8 scale:2;		/* scale coefficients * 2^(scale-1) */
+	bool sat:1;		/* saturate to (16, 235(Y) / 240(U, V)) */
+};
+
+struct ipu_ic_csc {
+	struct ipu_ic_colorspace in_cs;
+	struct ipu_ic_colorspace out_cs;
+	struct ipu_ic_csc_params params;
+};
+
+struct ipu_ic;
+
+int __ipu_ic_calc_csc(struct ipu_ic_csc *csc);
+int ipu_ic_calc_csc(struct ipu_ic_csc *csc,
+		    enum v4l2_ycbcr_encoding in_enc,
+		    enum v4l2_quantization in_quant,
+		    enum ipu_color_space in_cs,
+		    enum v4l2_ycbcr_encoding out_enc,
+		    enum v4l2_quantization out_quant,
+		    enum ipu_color_space out_cs);
+int ipu_ic_task_init(struct ipu_ic *ic,
+		     const struct ipu_ic_csc *csc,
+		     int in_width, int in_height,
+		     int out_width, int out_height);
+int ipu_ic_task_init_rsc(struct ipu_ic *ic,
+			 const struct ipu_ic_csc *csc,
+			 int in_width, int in_height,
+			 int out_width, int out_height,
+			 u32 rsc);
+int ipu_ic_task_graphics_init(struct ipu_ic *ic,
+			      const struct ipu_ic_colorspace *g_in_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 Video De-Interlacer (vdi) functions
+ */
+struct ipu_vdi;
+void ipu_vdi_set_field_order(struct ipu_vdi *vdi, v4l2_std_id std, u32 field);
+void ipu_vdi_set_motion(struct ipu_vdi *vdi, enum ipu_motion_sel motion_sel);
+void ipu_vdi_setup(struct ipu_vdi *vdi, u32 code, int xres, int yres);
+void ipu_vdi_unsetup(struct ipu_vdi *vdi);
+int ipu_vdi_enable(struct ipu_vdi *vdi);
+int ipu_vdi_disable(struct ipu_vdi *vdi);
+struct ipu_vdi *ipu_vdi_get(struct ipu_soc *ipu);
+void ipu_vdi_put(struct ipu_vdi *vdi);
+
+/*
+ * IPU Sensor Multiple FIFO Controller (SMFC) functions
+ */
+struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
+void ipu_smfc_put(struct ipu_smfc *smfc);
+int ipu_smfc_enable(struct ipu_smfc *smfc);
+int ipu_smfc_disable(struct ipu_smfc *smfc);
+int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
+int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
+int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
+
+enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
+enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
+int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
+			    bool hflip, bool vflip);
+int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
+			    bool hflip, bool vflip);
+
+struct ipu_client_platformdata {
+	int csi;
+	int di;
+	int dc;
+	int dp;
+	int dma[2];
+	struct device_node *of_node;
+};
+
+#endif /* __DRM_IPU_H__ */