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Edit File: imx-ipu-v3.h

/* * 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 <drm/drm_color_mgmt.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 drm_color_encoding ycbcr_enc, enum drm_color_range range, 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__ */