Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / video / imx-ipu-v3.h
diff --git a/kernel/include/video/imx-ipu-v3.h b/kernel/include/video/imx-ipu-v3.h
new file mode 100644 (file)
index 0000000..85dedca
--- /dev/null
@@ -0,0 +1,350 @@
+/*
+ * 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 <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
+ */
+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,
+       IPUV3_COLORSPACE_UNKNOWN,
+};
+
+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
+#define IPUV3_CHANNEL_MEM_IC_PP                        11
+#define IPUV3_CHANNEL_MEM_IC_PRP_VF            12
+#define IPUV3_CHANNEL_G_MEM_IC_PRP_VF          14
+#define IPUV3_CHANNEL_G_MEM_IC_PP              15
+#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_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_DC_ASYNC             41
+#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
+
+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
+ */
+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);
+
+/*
+ * 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;
+};
+
+void ipu_cpmem_zero(struct ipuv3_channel *ch);
+void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
+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_interlaced_scan(struct ipuv3_channel *ch, int stride);
+void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
+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,
+                                  u32 pixel_format, int stride,
+                                  int u_offset, int v_offset);
+void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
+                             u32 pixel_format, int stride, int height);
+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);
+int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,
+               unsigned long bandwidth_mbs, int burstsize);
+void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc);
+int ipu_dmfc_init_channel(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);
+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 CMOS Sensor Interface (csi) functions
+ */
+struct ipu_csi;
+int ipu_csi_init_interface(struct ipu_csi *csi,
+                          struct v4l2_mbus_config *mbus_cfg,
+                          struct v4l2_mbus_framefmt *mbus_fmt);
+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 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,
+};
+
+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
+ */
+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);
+enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
+int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat);
+bool ipu_pixelformat_is_planar(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 dmfc;
+       int dma[2];
+};
+
+#endif /* __DRM_IPU_H__ */