include/video/imx-ipu-v3.h

   1 /*
   2  * Copyright 2005-2009 Freescale Semiconductor, Inc.
   3  *
   4  * The code contained herein is licensed under the GNU Lesser General
   5  * Public License.  You may obtain a copy of the GNU Lesser General
   6  * Public License Version 2.1 or later at the following locations:
   7  *
   8  * http://www.opensource.org/licenses/lgpl-license.html
   9  * http://www.gnu.org/copyleft/lgpl.html
  10  */
  11
  12 #ifndef __DRM_IPU_H__
  13 #define __DRM_IPU_H__
  14
  15 #include <linux/types.h>
  16 #include <linux/videodev2.h>
  17 #include <linux/bitmap.h>
  18 #include <linux/fb.h>
  19 #include <media/v4l2-mediabus.h>
  20 #include <video/videomode.h>
  21
  22 struct ipu_soc;
  23
  24 enum ipuv3_type {
  25         IPUV3EX,
  26         IPUV3M,
  27         IPUV3H,
  28 };
  29
  30 #define IPU_PIX_FMT_GBR24       v4l2_fourcc('G', 'B', 'R', '3')
  31
  32 /*
  33  * Bitfield of Display Interface signal polarities.
  34  */
  35 struct ipu_di_signal_cfg {
  36         unsigned data_pol:1;    /* true = inverted */
  37         unsigned clk_pol:1;     /* true = rising edge */
  38         unsigned enable_pol:1;
  39
  40         struct videomode mode;
  41
  42         u32 bus_format;
  43         u32 v_to_h_sync;
  44
  45 #define IPU_DI_CLKMODE_SYNC     (1 << 0)
  46 #define IPU_DI_CLKMODE_EXT      (1 << 1)
  47         unsigned long clkflags;
  48
  49         u8 hsync_pin;
  50         u8 vsync_pin;
  51 };
  52
  53 /*
  54  * Enumeration of CSI destinations
  55  */
  56 enum ipu_csi_dest {
  57         IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
  58         IPU_CSI_DEST_IC,        /* to Image Converter */
  59         IPU_CSI_DEST_VDIC,  /* to VDIC */
  60 };
  61
  62 /*
  63  * Enumeration of IPU rotation modes
  64  */
  65 enum ipu_rotate_mode {
  66         IPU_ROTATE_NONE = 0,
  67         IPU_ROTATE_VERT_FLIP,
  68         IPU_ROTATE_HORIZ_FLIP,
  69         IPU_ROTATE_180,
  70         IPU_ROTATE_90_RIGHT,
  71         IPU_ROTATE_90_RIGHT_VFLIP,
  72         IPU_ROTATE_90_RIGHT_HFLIP,
  73         IPU_ROTATE_90_LEFT,
  74 };
  75
  76 enum ipu_color_space {
  77         IPUV3_COLORSPACE_RGB,
  78         IPUV3_COLORSPACE_YUV,
  79         IPUV3_COLORSPACE_UNKNOWN,
  80 };
  81
  82 struct ipuv3_channel;
  83
  84 enum ipu_channel_irq {
  85         IPU_IRQ_EOF = 0,
  86         IPU_IRQ_NFACK = 64,
  87         IPU_IRQ_NFB4EOF = 128,
  88         IPU_IRQ_EOS = 192,
  89 };
  90
  91 /*
  92  * Enumeration of IDMAC channels
  93  */
  94 #define IPUV3_CHANNEL_CSI0                       0
  95 #define IPUV3_CHANNEL_CSI1                       1
  96 #define IPUV3_CHANNEL_CSI2                       2
  97 #define IPUV3_CHANNEL_CSI3                       3
  98 #define IPUV3_CHANNEL_VDI_MEM_IC_VF              5
  99 #define IPUV3_CHANNEL_MEM_IC_PP                 11
 100 #define IPUV3_CHANNEL_MEM_IC_PRP_VF             12
 101 #define IPUV3_CHANNEL_G_MEM_IC_PRP_VF           14
 102 #define IPUV3_CHANNEL_G_MEM_IC_PP               15
 103 #define IPUV3_CHANNEL_IC_PRP_ENC_MEM            20
 104 #define IPUV3_CHANNEL_IC_PRP_VF_MEM             21
 105 #define IPUV3_CHANNEL_IC_PP_MEM                 22
 106 #define IPUV3_CHANNEL_MEM_BG_SYNC               23
 107 #define IPUV3_CHANNEL_MEM_BG_ASYNC              24
 108 #define IPUV3_CHANNEL_MEM_FG_SYNC               27
 109 #define IPUV3_CHANNEL_MEM_DC_SYNC               28
 110 #define IPUV3_CHANNEL_MEM_FG_ASYNC              29
 111 #define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA         31
 112 #define IPUV3_CHANNEL_MEM_DC_ASYNC              41
 113 #define IPUV3_CHANNEL_MEM_ROT_ENC               45
 114 #define IPUV3_CHANNEL_MEM_ROT_VF                46
 115 #define IPUV3_CHANNEL_MEM_ROT_PP                47
 116 #define IPUV3_CHANNEL_ROT_ENC_MEM               48
 117 #define IPUV3_CHANNEL_ROT_VF_MEM                49
 118 #define IPUV3_CHANNEL_ROT_PP_MEM                50
 119 #define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA         51
 120
 121 int ipu_map_irq(struct ipu_soc *ipu, int irq);
 122 int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
 123                 enum ipu_channel_irq irq);
 124
 125 #define IPU_IRQ_DP_SF_START             (448 + 2)
 126 #define IPU_IRQ_DP_SF_END               (448 + 3)
 127 #define IPU_IRQ_BG_SF_END               IPU_IRQ_DP_SF_END,
 128 #define IPU_IRQ_DC_FC_0                 (448 + 8)
 129 #define IPU_IRQ_DC_FC_1                 (448 + 9)
 130 #define IPU_IRQ_DC_FC_2                 (448 + 10)
 131 #define IPU_IRQ_DC_FC_3                 (448 + 11)
 132 #define IPU_IRQ_DC_FC_4                 (448 + 12)
 133 #define IPU_IRQ_DC_FC_6                 (448 + 13)
 134 #define IPU_IRQ_VSYNC_PRE_0             (448 + 14)
 135 #define IPU_IRQ_VSYNC_PRE_1             (448 + 15)
 136
 137 /*
 138  * IPU Common functions
 139  */
 140 void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
 141 void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
 142 void ipu_dump(struct ipu_soc *ipu);
 143
 144 /*
 145  * IPU Image DMA Controller (idmac) functions
 146  */
 147 struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
 148 void ipu_idmac_put(struct ipuv3_channel *);
 149
 150 int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
 151 int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
 152 void ipu_idmac_enable_watermark(struct ipuv3_channel *channel, bool enable);
 153 int ipu_idmac_lock_enable(struct ipuv3_channel *channel, int num_bursts);
 154 int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
 155
 156 void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
 157                 bool doublebuffer);
 158 int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
 159 bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num);
 160 void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
 161 void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num);
 162
 163 /*
 164  * IPU Channel Parameter Memory (cpmem) functions
 165  */
 166 struct ipu_rgb {
 167         struct fb_bitfield      red;
 168         struct fb_bitfield      green;
 169         struct fb_bitfield      blue;
 170         struct fb_bitfield      transp;
 171         int                     bits_per_pixel;
 172 };
 173
 174 struct ipu_image {
 175         struct v4l2_pix_format pix;
 176         struct v4l2_rect rect;
 177         dma_addr_t phys0;
 178         dma_addr_t phys1;
 179 };
 180
 181 void ipu_cpmem_zero(struct ipuv3_channel *ch);
 182 void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
 183 void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
 184 void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
 185 void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
 186 void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
 187 void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
 188 void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
 189 void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
 190 void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
 191                             enum ipu_rotate_mode rot);
 192 int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
 193                              const struct ipu_rgb *rgb);
 194 int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
 195 void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
 196 void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
 197                                    unsigned int uv_stride,
 198                                    unsigned int u_offset,
 199                                    unsigned int v_offset);
 200 void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
 201                               u32 pixel_format, int stride, int height);
 202 int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
 203 int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
 204 void ipu_cpmem_dump(struct ipuv3_channel *ch);
 205
 206 /*
 207  * IPU Display Controller (dc) functions
 208  */
 209 struct ipu_dc;
 210 struct ipu_di;
 211 struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
 212 void ipu_dc_put(struct ipu_dc *dc);
 213 int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
 214                 u32 pixel_fmt, u32 width);
 215 void ipu_dc_enable(struct ipu_soc *ipu);
 216 void ipu_dc_enable_channel(struct ipu_dc *dc);
 217 void ipu_dc_disable_channel(struct ipu_dc *dc);
 218 void ipu_dc_disable(struct ipu_soc *ipu);
 219
 220 /*
 221  * IPU Display Interface (di) functions
 222  */
 223 struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
 224 void ipu_di_put(struct ipu_di *);
 225 int ipu_di_disable(struct ipu_di *);
 226 int ipu_di_enable(struct ipu_di *);
 227 int ipu_di_get_num(struct ipu_di *);
 228 int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode);
 229 int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
 230
 231 /*
 232  * IPU Display Multi FIFO Controller (dmfc) functions
 233  */
 234 struct dmfc_channel;
 235 int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
 236 void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
 237 int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,
 238                 unsigned long bandwidth_mbs, int burstsize);
 239 void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc);
 240 void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width);
 241 struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
 242 void ipu_dmfc_put(struct dmfc_channel *dmfc);
 243
 244 /*
 245  * IPU Display Processor (dp) functions
 246  */
 247 #define IPU_DP_FLOW_SYNC_BG     0
 248 #define IPU_DP_FLOW_SYNC_FG     1
 249 #define IPU_DP_FLOW_ASYNC0_BG   2
 250 #define IPU_DP_FLOW_ASYNC0_FG   3
 251 #define IPU_DP_FLOW_ASYNC1_BG   4
 252 #define IPU_DP_FLOW_ASYNC1_FG   5
 253
 254 struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
 255 void ipu_dp_put(struct ipu_dp *);
 256 int ipu_dp_enable(struct ipu_soc *ipu);
 257 int ipu_dp_enable_channel(struct ipu_dp *dp);
 258 void ipu_dp_disable_channel(struct ipu_dp *dp);
 259 void ipu_dp_disable(struct ipu_soc *ipu);
 260 int ipu_dp_setup_channel(struct ipu_dp *dp,
 261                 enum ipu_color_space in, enum ipu_color_space out);
 262 int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
 263 int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
 264                 bool bg_chan);
 265
 266 /*
 267  * IPU CMOS Sensor Interface (csi) functions
 268  */
 269 struct ipu_csi;
 270 int ipu_csi_init_interface(struct ipu_csi *csi,
 271                            struct v4l2_mbus_config *mbus_cfg,
 272                            struct v4l2_mbus_framefmt *mbus_fmt);
 273 bool ipu_csi_is_interlaced(struct ipu_csi *csi);
 274 void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
 275 void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
 276 void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
 277                                 u32 r_value, u32 g_value, u32 b_value,
 278                                 u32 pix_clk);
 279 int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
 280                               struct v4l2_mbus_framefmt *mbus_fmt);
 281 int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
 282                           u32 max_ratio, u32 id);
 283 int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
 284 int ipu_csi_enable(struct ipu_csi *csi);
 285 int ipu_csi_disable(struct ipu_csi *csi);
 286 struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
 287 void ipu_csi_put(struct ipu_csi *csi);
 288 void ipu_csi_dump(struct ipu_csi *csi);
 289
 290 /*
 291  * IPU Image Converter (ic) functions
 292  */
 293 enum ipu_ic_task {
 294         IC_TASK_ENCODER,
 295         IC_TASK_VIEWFINDER,
 296         IC_TASK_POST_PROCESSOR,
 297         IC_NUM_TASKS,
 298 };
 299
 300 struct ipu_ic;
 301 int ipu_ic_task_init(struct ipu_ic *ic,
 302                      int in_width, int in_height,
 303                      int out_width, int out_height,
 304                      enum ipu_color_space in_cs,
 305                      enum ipu_color_space out_cs);
 306 int ipu_ic_task_graphics_init(struct ipu_ic *ic,
 307                               enum ipu_color_space in_g_cs,
 308                               bool galpha_en, u32 galpha,
 309                               bool colorkey_en, u32 colorkey);
 310 void ipu_ic_task_enable(struct ipu_ic *ic);
 311 void ipu_ic_task_disable(struct ipu_ic *ic);
 312 int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
 313                           u32 width, u32 height, int burst_size,
 314                           enum ipu_rotate_mode rot);
 315 int ipu_ic_enable(struct ipu_ic *ic);
 316 int ipu_ic_disable(struct ipu_ic *ic);
 317 struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
 318 void ipu_ic_put(struct ipu_ic *ic);
 319 void ipu_ic_dump(struct ipu_ic *ic);
 320
 321 /*
 322  * IPU Sensor Multiple FIFO Controller (SMFC) functions
 323  */
 324 struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
 325 void ipu_smfc_put(struct ipu_smfc *smfc);
 326 int ipu_smfc_enable(struct ipu_smfc *smfc);
 327 int ipu_smfc_disable(struct ipu_smfc *smfc);
 328 int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
 329 int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
 330 int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
 331
 332 enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
 333 enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
 334 enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
 335 int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat);
 336 bool ipu_pixelformat_is_planar(u32 pixelformat);
 337 int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
 338                             bool hflip, bool vflip);
 339 int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
 340                             bool hflip, bool vflip);
 341
 342 struct ipu_client_platformdata {
 343         int csi;
 344         int di;
 345         int dc;
 346         int dp;
 347         int dma[2];
 348 };
 349
 350 #endif /* __DRM_IPU_H__ */