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      1 /* include/linux/msm_mdp.h
      2  *
      3  * Copyright (C) 2007 Google Incorporated
      4  * Copyright (c) 2012-2013 The Linux Foundation. All rights reserved.
      5  *
      6  * This software is licensed under the terms of the GNU General Public
      7  * License version 2, as published by the Free Software Foundation, and
      8  * may be copied, distributed, and modified under those terms.
      9  *
     10  * This program is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13  * GNU General Public License for more details.
     14  */
     15 #ifndef _MSM_MDP_H_
     16 #define _MSM_MDP_H_
     17 
     18 #include <linux/types.h>
     19 #include <linux/fb.h>
     20 
     21 #define MSMFB_IOCTL_MAGIC 'm'
     22 #define MSMFB_GRP_DISP          _IOW(MSMFB_IOCTL_MAGIC, 1, unsigned int)
     23 #define MSMFB_BLIT              _IOW(MSMFB_IOCTL_MAGIC, 2, unsigned int)
     24 #define MSMFB_SUSPEND_SW_REFRESHER _IOW(MSMFB_IOCTL_MAGIC, 128, unsigned int)
     25 #define MSMFB_RESUME_SW_REFRESHER _IOW(MSMFB_IOCTL_MAGIC, 129, unsigned int)
     26 #define MSMFB_CURSOR _IOW(MSMFB_IOCTL_MAGIC, 130, struct fb_cursor)
     27 #define MSMFB_SET_LUT _IOW(MSMFB_IOCTL_MAGIC, 131, struct fb_cmap)
     28 #define MSMFB_HISTOGRAM _IOWR(MSMFB_IOCTL_MAGIC, 132, struct mdp_histogram_data)
     29 /* new ioctls's for set/get ccs matrix */
     30 #define MSMFB_GET_CCS_MATRIX  _IOWR(MSMFB_IOCTL_MAGIC, 133, struct mdp_ccs)
     31 #define MSMFB_SET_CCS_MATRIX  _IOW(MSMFB_IOCTL_MAGIC, 134, struct mdp_ccs)
     32 #define MSMFB_OVERLAY_SET       _IOWR(MSMFB_IOCTL_MAGIC, 135, \
     33 						struct mdp_overlay)
     34 #define MSMFB_OVERLAY_UNSET     _IOW(MSMFB_IOCTL_MAGIC, 136, unsigned int)
     35 
     36 #define MSMFB_OVERLAY_PLAY      _IOW(MSMFB_IOCTL_MAGIC, 137, \
     37 						struct msmfb_overlay_data)
     38 #define MSMFB_OVERLAY_QUEUE	MSMFB_OVERLAY_PLAY
     39 
     40 #define MSMFB_GET_PAGE_PROTECTION _IOR(MSMFB_IOCTL_MAGIC, 138, \
     41 					struct mdp_page_protection)
     42 #define MSMFB_SET_PAGE_PROTECTION _IOW(MSMFB_IOCTL_MAGIC, 139, \
     43 					struct mdp_page_protection)
     44 #define MSMFB_OVERLAY_GET      _IOR(MSMFB_IOCTL_MAGIC, 140, \
     45 						struct mdp_overlay)
     46 #define MSMFB_OVERLAY_PLAY_ENABLE     _IOW(MSMFB_IOCTL_MAGIC, 141, unsigned int)
     47 #define MSMFB_OVERLAY_BLT       _IOWR(MSMFB_IOCTL_MAGIC, 142, \
     48 						struct msmfb_overlay_blt)
     49 #define MSMFB_OVERLAY_BLT_OFFSET     _IOW(MSMFB_IOCTL_MAGIC, 143, unsigned int)
     50 #define MSMFB_HISTOGRAM_START	_IOR(MSMFB_IOCTL_MAGIC, 144, \
     51 						struct mdp_histogram_start_req)
     52 #define MSMFB_HISTOGRAM_STOP	_IOR(MSMFB_IOCTL_MAGIC, 145, unsigned int)
     53 #define MSMFB_NOTIFY_UPDATE	_IOW(MSMFB_IOCTL_MAGIC, 146, unsigned int)
     54 
     55 #define MSMFB_OVERLAY_3D       _IOWR(MSMFB_IOCTL_MAGIC, 147, \
     56 						struct msmfb_overlay_3d)
     57 
     58 #define MSMFB_MIXER_INFO       _IOWR(MSMFB_IOCTL_MAGIC, 148, \
     59 						struct msmfb_mixer_info_req)
     60 #define MSMFB_OVERLAY_PLAY_WAIT _IOWR(MSMFB_IOCTL_MAGIC, 149, \
     61 						struct msmfb_overlay_data)
     62 #define MSMFB_WRITEBACK_INIT _IO(MSMFB_IOCTL_MAGIC, 150)
     63 #define MSMFB_WRITEBACK_START _IO(MSMFB_IOCTL_MAGIC, 151)
     64 #define MSMFB_WRITEBACK_STOP _IO(MSMFB_IOCTL_MAGIC, 152)
     65 #define MSMFB_WRITEBACK_QUEUE_BUFFER _IOW(MSMFB_IOCTL_MAGIC, 153, \
     66 						struct msmfb_data)
     67 #define MSMFB_WRITEBACK_DEQUEUE_BUFFER _IOW(MSMFB_IOCTL_MAGIC, 154, \
     68 						struct msmfb_data)
     69 #define MSMFB_WRITEBACK_TERMINATE _IO(MSMFB_IOCTL_MAGIC, 155)
     70 #define MSMFB_MDP_PP _IOWR(MSMFB_IOCTL_MAGIC, 156, struct msmfb_mdp_pp)
     71 #define MSMFB_OVERLAY_VSYNC_CTRL _IOW(MSMFB_IOCTL_MAGIC, 160, unsigned int)
     72 #define MSMFB_VSYNC_CTRL  _IOW(MSMFB_IOCTL_MAGIC, 161, unsigned int)
     73 #define MSMFB_BUFFER_SYNC  _IOW(MSMFB_IOCTL_MAGIC, 162, struct mdp_buf_sync)
     74 #define MSMFB_DISPLAY_COMMIT      _IOW(MSMFB_IOCTL_MAGIC, 164, \
     75 						struct mdp_display_commit)
     76 #define MSMFB_METADATA_GET  _IOW(MSMFB_IOCTL_MAGIC, 166, struct msmfb_metadata)
     77 
     78 #define FB_TYPE_3D_PANEL 0x10101010
     79 #define MDP_IMGTYPE2_START 0x10000
     80 #define MSMFB_DRIVER_VERSION	0xF9E8D701
     81 
     82 enum {
     83 	NOTIFY_UPDATE_START,
     84 	NOTIFY_UPDATE_STOP,
     85 };
     86 
     87 enum {
     88 	MDP_RGB_565,      /* RGB 565 planer */
     89 	MDP_XRGB_8888,    /* RGB 888 padded */
     90 	MDP_Y_CBCR_H2V2,  /* Y and CbCr, pseudo planer w/ Cb is in MSB */
     91 	MDP_Y_CBCR_H2V2_ADRENO,
     92 	MDP_ARGB_8888,    /* ARGB 888 */
     93 	MDP_RGB_888,      /* RGB 888 planer */
     94 	MDP_Y_CRCB_H2V2,  /* Y and CrCb, pseudo planer w/ Cr is in MSB */
     95 	MDP_YCRYCB_H2V1,  /* YCrYCb interleave */
     96 	MDP_Y_CRCB_H2V1,  /* Y and CrCb, pseduo planer w/ Cr is in MSB */
     97 	MDP_Y_CBCR_H2V1,   /* Y and CrCb, pseduo planer w/ Cr is in MSB */
     98 	MDP_Y_CRCB_H1V2,
     99 	MDP_Y_CBCR_H1V2,
    100 	MDP_RGBA_8888,    /* ARGB 888 */
    101 	MDP_BGRA_8888,	  /* ABGR 888 */
    102 	MDP_RGBX_8888,	  /* RGBX 888 */
    103 	MDP_Y_CRCB_H2V2_TILE,  /* Y and CrCb, pseudo planer tile */
    104 	MDP_Y_CBCR_H2V2_TILE,  /* Y and CbCr, pseudo planer tile */
    105 	MDP_Y_CR_CB_H2V2,  /* Y, Cr and Cb, planar */
    106 	MDP_Y_CR_CB_GH2V2,  /* Y, Cr and Cb, planar aligned to Android YV12 */
    107 	MDP_Y_CB_CR_H2V2,  /* Y, Cb and Cr, planar */
    108 	MDP_Y_CRCB_H1V1,  /* Y and CrCb, pseduo planer w/ Cr is in MSB */
    109 	MDP_Y_CBCR_H1V1,  /* Y and CbCr, pseduo planer w/ Cb is in MSB */
    110 	MDP_YCRCB_H1V1,   /* YCrCb interleave */
    111 	MDP_YCBCR_H1V1,   /* YCbCr interleave */
    112 	MDP_BGR_565,      /* BGR 565 planer */
    113 	MDP_IMGTYPE_LIMIT,
    114 	MDP_RGB_BORDERFILL,	/* border fill pipe */
    115 	MDP_FB_FORMAT = MDP_IMGTYPE2_START,    /* framebuffer format */
    116 	MDP_IMGTYPE_LIMIT2 /* Non valid image type after this enum */
    117 };
    118 
    119 enum {
    120 	PMEM_IMG,
    121 	FB_IMG,
    122 };
    123 
    124 enum {
    125 	HSIC_HUE = 0,
    126 	HSIC_SAT,
    127 	HSIC_INT,
    128 	HSIC_CON,
    129 	NUM_HSIC_PARAM,
    130 };
    131 
    132 #define MDSS_MDP_ROT_ONLY		0x80
    133 #define MDSS_MDP_RIGHT_MIXER		0x100
    134 
    135 /* mdp_blit_req flag values */
    136 #define MDP_ROT_NOP 0
    137 #define MDP_FLIP_LR 0x1
    138 #define MDP_FLIP_UD 0x2
    139 #define MDP_ROT_90 0x4
    140 #define MDP_ROT_180 (MDP_FLIP_UD|MDP_FLIP_LR)
    141 #define MDP_ROT_270 (MDP_ROT_90|MDP_FLIP_UD|MDP_FLIP_LR)
    142 #define MDP_DITHER 0x8
    143 #define MDP_BLUR 0x10
    144 #define MDP_BLEND_FG_PREMULT 0x20000
    145 #define MDP_DEINTERLACE 0x80000000
    146 #define MDP_SHARPENING  0x40000000
    147 #define MDP_NO_DMA_BARRIER_START	0x20000000
    148 #define MDP_NO_DMA_BARRIER_END		0x10000000
    149 #define MDP_NO_BLIT			0x08000000
    150 #define MDP_BLIT_WITH_DMA_BARRIERS	0x000
    151 #define MDP_BLIT_WITH_NO_DMA_BARRIERS    \
    152 	(MDP_NO_DMA_BARRIER_START | MDP_NO_DMA_BARRIER_END)
    153 #define MDP_BLIT_SRC_GEM                0x04000000
    154 #define MDP_BLIT_DST_GEM                0x02000000
    155 #define MDP_BLIT_NON_CACHED		0x01000000
    156 #define MDP_OV_PIPE_SHARE		0x00800000
    157 #define MDP_DEINTERLACE_ODD		0x00400000
    158 #define MDP_OV_PLAY_NOWAIT		0x00200000
    159 #define MDP_SOURCE_ROTATED_90		0x00100000
    160 #define MDP_OVERLAY_PP_CFG_EN		0x00080000
    161 #define MDP_BACKEND_COMPOSITION		0x00040000
    162 #define MDP_BORDERFILL_SUPPORTED	0x00010000
    163 #define MDP_SECURE_OVERLAY_SESSION      0x00008000
    164 #define MDP_MEMORY_ID_TYPE_FB		0x00001000
    165 
    166 #define MDP_TRANSP_NOP 0xffffffff
    167 #define MDP_ALPHA_NOP 0xff
    168 
    169 #define MDP_FB_PAGE_PROTECTION_NONCACHED         (0)
    170 #define MDP_FB_PAGE_PROTECTION_WRITECOMBINE      (1)
    171 #define MDP_FB_PAGE_PROTECTION_WRITETHROUGHCACHE (2)
    172 #define MDP_FB_PAGE_PROTECTION_WRITEBACKCACHE    (3)
    173 #define MDP_FB_PAGE_PROTECTION_WRITEBACKWACACHE  (4)
    174 /* Sentinel: Don't use! */
    175 #define MDP_FB_PAGE_PROTECTION_INVALID           (5)
    176 /* Count of the number of MDP_FB_PAGE_PROTECTION_... values. */
    177 #define MDP_NUM_FB_PAGE_PROTECTION_VALUES        (5)
    178 
    179 struct mdp_rect {
    180 	uint32_t x;
    181 	uint32_t y;
    182 	uint32_t w;
    183 	uint32_t h;
    184 };
    185 
    186 struct mdp_img {
    187 	uint32_t width;
    188 	uint32_t height;
    189 	uint32_t format;
    190 	uint32_t offset;
    191 	int memory_id;		/* the file descriptor */
    192 	uint32_t priv;
    193 };
    194 
    195 /*
    196  * {3x3} + {3} ccs matrix
    197  */
    198 
    199 #define MDP_CCS_RGB2YUV 	0
    200 #define MDP_CCS_YUV2RGB 	1
    201 
    202 #define MDP_CCS_SIZE	9
    203 #define MDP_BV_SIZE	3
    204 
    205 struct mdp_ccs {
    206 	int direction;			/* MDP_CCS_RGB2YUV or YUV2RGB */
    207 	uint16_t ccs[MDP_CCS_SIZE];	/* 3x3 color coefficients */
    208 	uint16_t bv[MDP_BV_SIZE];	/* 1x3 bias vector */
    209 };
    210 
    211 struct mdp_csc {
    212 	int id;
    213 	uint32_t csc_mv[9];
    214 	uint32_t csc_pre_bv[3];
    215 	uint32_t csc_post_bv[3];
    216 	uint32_t csc_pre_lv[6];
    217 	uint32_t csc_post_lv[6];
    218 };
    219 
    220 /* The version of the mdp_blit_req structure so that
    221  * user applications can selectively decide which functionality
    222  * to include
    223  */
    224 
    225 #define MDP_BLIT_REQ_VERSION 2
    226 
    227 struct mdp_blit_req {
    228 	struct mdp_img src;
    229 	struct mdp_img dst;
    230 	struct mdp_rect src_rect;
    231 	struct mdp_rect dst_rect;
    232 	uint32_t alpha;
    233 	uint32_t transp_mask;
    234 	uint32_t flags;
    235 	int sharpening_strength;  /* -127 <--> 127, default 64 */
    236 };
    237 
    238 struct mdp_blit_req_list {
    239 	uint32_t count;
    240 	struct mdp_blit_req req[];
    241 };
    242 
    243 #define MSMFB_DATA_VERSION 2
    244 
    245 struct msmfb_data {
    246 	uint32_t offset;
    247 	int memory_id;
    248 	int id;
    249 	uint32_t flags;
    250 	uint32_t priv;
    251 	uint32_t iova;
    252 };
    253 
    254 #define MSMFB_NEW_REQUEST -1
    255 
    256 struct msmfb_overlay_data {
    257 	uint32_t id;
    258 	struct msmfb_data data;
    259 	uint32_t version_key;
    260 	struct msmfb_data plane1_data;
    261 	struct msmfb_data plane2_data;
    262 	struct msmfb_data dst_data;
    263 };
    264 
    265 struct msmfb_img {
    266 	uint32_t width;
    267 	uint32_t height;
    268 	uint32_t format;
    269 };
    270 
    271 #define MSMFB_WRITEBACK_DEQUEUE_BLOCKING 0x1
    272 struct msmfb_writeback_data {
    273 	struct msmfb_data buf_info;
    274 	struct msmfb_img img;
    275 };
    276 
    277 #define MDP_PP_OPS_READ 0x2
    278 #define MDP_PP_OPS_WRITE 0x4
    279 
    280 struct mdp_qseed_cfg {
    281 	uint32_t table_num;
    282 	uint32_t ops;
    283 	uint32_t len;
    284 	uint32_t *data;
    285 };
    286 
    287 struct mdp_qseed_cfg_data {
    288 	uint32_t block;
    289 	struct mdp_qseed_cfg qseed_data;
    290 };
    291 
    292 #define MDP_OVERLAY_PP_CSC_CFG      0x1
    293 #define MDP_OVERLAY_PP_QSEED_CFG    0x2
    294 
    295 #define MDP_CSC_FLAG_ENABLE	0x1
    296 #define MDP_CSC_FLAG_YUV_IN	0x2
    297 #define MDP_CSC_FLAG_YUV_OUT	0x4
    298 
    299 struct mdp_csc_cfg {
    300 	/* flags for enable CSC, toggling RGB,YUV input/output */
    301 	uint32_t flags;
    302 	uint32_t csc_mv[9];
    303 	uint32_t csc_pre_bv[3];
    304 	uint32_t csc_post_bv[3];
    305 	uint32_t csc_pre_lv[6];
    306 	uint32_t csc_post_lv[6];
    307 };
    308 
    309 struct mdp_csc_cfg_data {
    310 	uint32_t block;
    311 	struct mdp_csc_cfg csc_data;
    312 };
    313 
    314 struct mdp_overlay_pp_params {
    315 	uint32_t config_ops;
    316 	struct mdp_csc_cfg csc_cfg;
    317 	struct mdp_qseed_cfg qseed_cfg[2];
    318 };
    319 
    320 struct mdp_overlay {
    321 	struct msmfb_img src;
    322 	struct mdp_rect src_rect;
    323 	struct mdp_rect dst_rect;
    324 	uint32_t z_order;	/* stage number */
    325 	uint32_t is_fg;		/* control alpha & transp */
    326 	uint32_t alpha;
    327 	uint32_t transp_mask;
    328 	uint32_t flags;
    329 	uint32_t id;
    330 	uint32_t user_data[8];
    331 	struct mdp_overlay_pp_params overlay_pp_cfg;
    332 };
    333 
    334 struct msmfb_overlay_3d {
    335 	uint32_t is_3d;
    336 	uint32_t width;
    337 	uint32_t height;
    338 };
    339 
    340 
    341 struct msmfb_overlay_blt {
    342 	uint32_t enable;
    343 	uint32_t offset;
    344 	uint32_t width;
    345 	uint32_t height;
    346 	uint32_t bpp;
    347 };
    348 
    349 struct mdp_histogram {
    350 	uint32_t frame_cnt;
    351 	uint32_t bin_cnt;
    352 	uint32_t *r;
    353 	uint32_t *g;
    354 	uint32_t *b;
    355 };
    356 
    357 
    358 /*
    359 
    360 	mdp_block_type defines the identifiers for pipes in MDP 4.3 and up
    361 
    362 	MDP_BLOCK_RESERVED is provided for backward compatibility and is
    363 	deprecated. It corresponds to DMA_P. So MDP_BLOCK_DMA_P should be used
    364 	instead.
    365 
    366 	MDP_LOGICAL_BLOCK_DISP_0 identifies the display pipe which fb0 uses,
    367 	same for others.
    368 
    369 */
    370 
    371 enum {
    372 	MDP_BLOCK_RESERVED = 0,
    373 	MDP_BLOCK_OVERLAY_0,
    374 	MDP_BLOCK_OVERLAY_1,
    375 	MDP_BLOCK_VG_1,
    376 	MDP_BLOCK_VG_2,
    377 	MDP_BLOCK_RGB_1,
    378 	MDP_BLOCK_RGB_2,
    379 	MDP_BLOCK_DMA_P,
    380 	MDP_BLOCK_DMA_S,
    381 	MDP_BLOCK_DMA_E,
    382 	MDP_BLOCK_OVERLAY_2,
    383 	MDP_LOGICAL_BLOCK_DISP_0 = 0x1000,
    384 	MDP_LOGICAL_BLOCK_DISP_1,
    385 	MDP_LOGICAL_BLOCK_DISP_2,
    386 	MDP_BLOCK_MAX,
    387 };
    388 
    389 /*
    390  * mdp_histogram_start_req is used to provide the parameters for
    391  * histogram start request
    392  */
    393 
    394 struct mdp_histogram_start_req {
    395 	uint32_t block;
    396 	uint8_t frame_cnt;
    397 	uint8_t bit_mask;
    398 	uint8_t num_bins;
    399 };
    400 
    401 /*
    402  * mdp_histogram_data is used to return the histogram data, once
    403  * the histogram is done/stopped/cance
    404  */
    405 
    406 struct mdp_histogram_data {
    407 	uint32_t block;
    408 	uint8_t bin_cnt;
    409 	uint32_t *c0;
    410 	uint32_t *c1;
    411 	uint32_t *c2;
    412 	uint32_t *extra_info;
    413 };
    414 
    415 struct mdp_pcc_coeff {
    416 	uint32_t c, r, g, b, rr, gg, bb, rg, gb, rb, rgb_0, rgb_1;
    417 };
    418 
    419 struct mdp_pcc_cfg_data {
    420 	uint32_t block;
    421 	uint32_t ops;
    422 	struct mdp_pcc_coeff r, g, b;
    423 };
    424 
    425 enum {
    426 	mdp_lut_igc,
    427 	mdp_lut_pgc,
    428 	mdp_lut_hist,
    429 	mdp_lut_max,
    430 };
    431 
    432 struct mdp_igc_lut_data {
    433 	uint32_t block;
    434 	uint32_t len, ops;
    435 	uint32_t *c0_c1_data;
    436 	uint32_t *c2_data;
    437 };
    438 
    439 struct mdp_ar_gc_lut_data {
    440 	uint32_t x_start;
    441 	uint32_t slope;
    442 	uint32_t offset;
    443 };
    444 
    445 struct mdp_pgc_lut_data {
    446 	uint32_t block;
    447 	uint32_t flags;
    448 	uint8_t num_r_stages;
    449 	uint8_t num_g_stages;
    450 	uint8_t num_b_stages;
    451 	struct mdp_ar_gc_lut_data *r_data;
    452 	struct mdp_ar_gc_lut_data *g_data;
    453 	struct mdp_ar_gc_lut_data *b_data;
    454 };
    455 
    456 
    457 struct mdp_hist_lut_data {
    458 	uint32_t block;
    459 	uint32_t ops;
    460 	uint32_t len;
    461 	uint32_t *data;
    462 };
    463 
    464 struct mdp_lut_cfg_data {
    465 	uint32_t lut_type;
    466 	union {
    467 		struct mdp_igc_lut_data igc_lut_data;
    468 		struct mdp_pgc_lut_data pgc_lut_data;
    469 		struct mdp_hist_lut_data hist_lut_data;
    470 	} data;
    471 };
    472 
    473 struct mdp_bl_scale_data {
    474 	uint32_t min_lvl;
    475 	uint32_t scale;
    476 };
    477 
    478 enum {
    479 	mdp_op_pcc_cfg,
    480 	mdp_op_csc_cfg,
    481 	mdp_op_lut_cfg,
    482 	mdp_op_qseed_cfg,
    483 	mdp_bl_scale_cfg,
    484 	mdp_op_max,
    485 };
    486 
    487 struct msmfb_mdp_pp {
    488 	uint32_t op;
    489 	union {
    490 		struct mdp_pcc_cfg_data pcc_cfg_data;
    491 		struct mdp_csc_cfg_data csc_cfg_data;
    492 		struct mdp_lut_cfg_data lut_cfg_data;
    493 		struct mdp_qseed_cfg_data qseed_cfg_data;
    494 		struct mdp_bl_scale_data bl_scale_data;
    495 	} data;
    496 };
    497 
    498 enum {
    499 	metadata_op_none,
    500 	metadata_op_base_blend,
    501 	metadata_op_frame_rate,
    502 	metadata_op_max
    503 };
    504 
    505 struct mdp_blend_cfg {
    506 	uint32_t is_premultiplied;
    507 };
    508 
    509 struct msmfb_metadata {
    510 	uint32_t op;
    511 	uint32_t flags;
    512 	union {
    513 		struct mdp_blend_cfg blend_cfg;
    514 		uint32_t panel_frame_rate;
    515 	} data;
    516 };
    517 
    518 #define MDP_MAX_FENCE_FD	10
    519 #define MDP_BUF_SYNC_FLAG_WAIT	1
    520 
    521 struct mdp_buf_sync {
    522 	uint32_t flags;
    523 	uint32_t acq_fen_fd_cnt;
    524 	int *acq_fen_fd;
    525 	int *rel_fen_fd;
    526 };
    527 
    528 struct mdp_buf_fence {
    529 	uint32_t flags;
    530 	uint32_t acq_fen_fd_cnt;
    531 	int acq_fen_fd[MDP_MAX_FENCE_FD];
    532 	int rel_fen_fd[MDP_MAX_FENCE_FD];
    533 };
    534 
    535 #define MDP_DISPLAY_COMMIT_OVERLAY 0x00000001
    536 
    537 struct mdp_display_commit {
    538 	uint32_t flags;
    539 	uint32_t wait_for_finish;
    540 	struct fb_var_screeninfo var;
    541 };
    542 
    543 struct mdp_page_protection {
    544 	uint32_t page_protection;
    545 };
    546 
    547 
    548 struct mdp_mixer_info {
    549 	int pndx;
    550 	int pnum;
    551 	int ptype;
    552 	int mixer_num;
    553 	int z_order;
    554 };
    555 
    556 #define MAX_PIPE_PER_MIXER  4
    557 
    558 struct msmfb_mixer_info_req {
    559 	int mixer_num;
    560 	int cnt;
    561 	struct mdp_mixer_info info[MAX_PIPE_PER_MIXER];
    562 };
    563 
    564 enum {
    565 	DISPLAY_SUBSYSTEM_ID,
    566 	ROTATOR_SUBSYSTEM_ID,
    567 };
    568 
    569 #ifdef __KERNEL__
    570 
    571 /* get the framebuffer physical address information */
    572 int get_fb_phys_info(unsigned long *start, unsigned long *len, int fb_num,
    573 	int subsys_id);
    574 struct fb_info *msm_fb_get_writeback_fb(void);
    575 int msm_fb_writeback_init(struct fb_info *info);
    576 int msm_fb_writeback_start(struct fb_info *info);
    577 int msm_fb_writeback_queue_buffer(struct fb_info *info,
    578 		struct msmfb_data *data);
    579 int msm_fb_writeback_dequeue_buffer(struct fb_info *info,
    580 		struct msmfb_data *data);
    581 int msm_fb_writeback_stop(struct fb_info *info);
    582 int msm_fb_writeback_terminate(struct fb_info *info);
    583 #endif
    584 
    585 #endif /*_MSM_MDP_H_*/
    586