/drivers/video/omap2/dsscomp/base.c

https://bitbucket.org/slukk/jb-tsm-kernel-4.2 · C · 504 lines · 370 code · 68 blank · 66 comment · 59 complexity · 94f2643902cd0cb0505d61bdcf5fc965 MD5 · raw file 

    

  1. /*
    2. 

  2.  * linux/drivers/video/omap2/dsscomp/base.c
    3. 

  3.  *
    4. 

  4.  * DSS Composition basic operation support
    5. 

  5.  *
    6. 

  6.  * Copyright (C) 2011 Texas Instruments, Inc
    7. 

  7.  * Author: Lajos Molnar <molnar@ti.com>
    8. 

  8.  *
    9. 

  9.  * This program is free software; you can redistribute it and/or modify it
    10. 

  10.  * under the terms of the GNU General Public License version 2 as published by
    11. 

  11.  * the Free Software Foundation.
    12. 

  12.  *
    13. 

  13.  * This program is distributed in the hope that it will be useful, but WITHOUT
    14. 

  14.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    15. 

  15.  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
    16. 

  16.  * more details.
    17. 

  17.  *
    18. 

  18.  * You should have received a copy of the GNU General Public License along with
    19. 

  19.  * this program.  If not, see <http://www.gnu.org/licenses/>.
    20. 

  20.  */
    21. 

  21. 

  22. #include <linux/kernel.h>
    23. 

  23. 

  24. #include <linux/notifier.h>
    25. 

  25. #include <mach/tiler.h>
    26. 

  26. 

  27. #include <video/omapdss.h>
    28. 

  28. #include <video/dsscomp.h>
    29. 

  29. #include <plat/dsscomp.h>
    30. 

  30. 

  31. #include "dsscomp.h"
    32. 

  32. 

  33. int debug;
    34. 

  34. module_param(debug, int, 0644);
    35. 

  35. 

  36. /* color formats supported - bitfield info is used for truncation logic */
    37. 

  37. static const struct color_info {
    38. 

  38. 	int a_ix, a_bt;	/* bitfields */
    39. 

  39. 	int r_ix, r_bt;
    40. 

  40. 	int g_ix, g_bt;
    41. 

  41. 	int b_ix, b_bt;
    42. 

  42. 	int x_bt;
    43. 

  43. 	enum omap_color_mode mode;
    44. 

  44. 	const char *name;
    45. 

  45. } fmts[2][16] = { {
    46. 

  46. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 1, OMAP_DSS_COLOR_CLUT1, "BITMAP1" },
    47. 

  47. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 2, OMAP_DSS_COLOR_CLUT2, "BITMAP2" },
    48. 

  48. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 4, OMAP_DSS_COLOR_CLUT4, "BITMAP4" },
    49. 

  49. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 8, OMAP_DSS_COLOR_CLUT8, "BITMAP8" },
    50. 

  50. 	{ 0,  0, 8,  4, 4,  4, 0, 4, 4, OMAP_DSS_COLOR_RGB12U, "xRGB12-4444" },
    51. 

  51. 	{ 12, 4, 8,  4, 4,  4, 0, 4, 0, OMAP_DSS_COLOR_ARGB16, "ARGB16-4444" },
    52. 

  52. 	{ 0,  0, 11, 5, 5,  6, 0, 5, 0, OMAP_DSS_COLOR_RGB16, "RGB16-565" },
    53. 

  53. 	{ 15, 1, 10, 5, 5,  5, 0, 5, 0, OMAP_DSS_COLOR_ARGB16_1555,
    54. 

  54. 								"ARGB16-1555" },
    55. 

  55. 	{ 0,  0, 16, 8, 8,  8, 0, 8, 8, OMAP_DSS_COLOR_RGB24U, "xRGB24-8888" },
    56. 

  56. 	{ 0,  0, 16, 8, 8,  8, 0, 8, 0, OMAP_DSS_COLOR_RGB24P, "RGB24-888" },
    57. 

  57. 	{ 0,  0, 12, 4, 8,  4, 4, 4, 4, OMAP_DSS_COLOR_RGBX16, "RGBx12-4444" },
    58. 

  58. 	{ 0,  4, 12, 4, 8,  4, 4, 4, 0, OMAP_DSS_COLOR_RGBA16, "RGBA16-4444" },
    59. 

  59. 	{ 24, 8, 16, 8, 8,  8, 0, 8, 0, OMAP_DSS_COLOR_ARGB32, "ARGB32-8888" },
    60. 

  60. 	{ 0,  8, 24, 8, 16, 8, 8, 8, 0, OMAP_DSS_COLOR_RGBA32, "RGBA32-8888" },
    61. 

  61. 	{ 0,  0, 24, 8, 16, 8, 8, 8, 8, OMAP_DSS_COLOR_RGBX32, "RGBx24-8888" },
    62. 

  62. 	{ 0,  0, 10, 5, 5,  5, 0, 5, 1, OMAP_DSS_COLOR_XRGB16_1555,
    63. 

  63. 								"xRGB15-1555" },
    64. 

  64. }, {
    65. 

  65. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 12, OMAP_DSS_COLOR_NV12, "NV12" },
    66. 

  66. 	{ 0,  0, 12, 4, 8,  4, 4, 4, 4, OMAP_DSS_COLOR_RGBX16, "RGBx12-4444" },
    67. 

  67. 	{ 0,  4, 12, 4, 8,  4, 4, 4, 0, OMAP_DSS_COLOR_RGBA16, "RGBA16-4444" },
    68. 

  68. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 0, 0, "invalid" },
    69. 

  69. 	{ 0,  0, 8,  4, 4,  4, 0, 4, 4, OMAP_DSS_COLOR_RGB12U, "xRGB12-4444" },
    70. 

  70. 	{ 12, 4, 8,  4, 4,  4, 0, 4, 0, OMAP_DSS_COLOR_ARGB16, "ARGB16-4444" },
    71. 

  71. 	{ 0,  0, 11, 5, 5,  6, 0, 5, 0, OMAP_DSS_COLOR_RGB16, "RGB16-565" },
    72. 

  72. 	{ 15, 1, 10, 5, 5,  5, 0, 5, 0, OMAP_DSS_COLOR_ARGB16_1555,
    73. 

  73. 								"ARGB16-1555" },
    74. 

  74. 	{ 0,  0, 16, 8, 8,  8, 0, 8, 8, OMAP_DSS_COLOR_RGB24U, "xRGB24-8888" },
    75. 

  75. 	{ 0,  0, 16, 8, 8,  8, 0, 8, 0, OMAP_DSS_COLOR_RGB24P, "RGB24-888" },
    76. 

  76. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 16, OMAP_DSS_COLOR_YUV2, "YUYV" },
    77. 

  77. 	{ 0,  0, 0,  0, 0,  0, 0, 0, 16, OMAP_DSS_COLOR_UYVY, "UYVY" },
    78. 

  78. 	{ 24, 8, 16, 8, 8,  8, 0, 8, 0, OMAP_DSS_COLOR_ARGB32, "ARGB32-8888" },
    79. 

  79. 	{ 0,  8, 24, 8, 16, 8, 8, 8, 0, OMAP_DSS_COLOR_RGBA32, "RGBA32-8888" },
    80. 

  80. 	{ 0,  0, 24, 8, 16, 8, 8, 8, 8, OMAP_DSS_COLOR_RGBX32, "RGBx24-8888" },
    81. 

  81. 	{ 0,  0, 10, 5, 5,  5, 0, 5, 1, OMAP_DSS_COLOR_XRGB16_1555,
    82. 

  82. 								"xRGB15-1555" },
    83. 

  83. } };
    84. 

  84. 

  85. static const struct color_info *get_color_info(enum omap_color_mode mode)
    86. 

  86. {
    87. 

  87. 	int i;
    88. 

  88. 	for (i = 0; i < sizeof(fmts) / sizeof(fmts[0][0]); i++)
    89. 

  89. 		if (fmts[0][i].mode == mode)
    90. 

  90. 			return fmts[0] + i;
    91. 

  91. 	return NULL;
    92. 

  92. }
    93. 

  93. 

  94. static int color_mode_to_bpp(enum omap_color_mode color_mode)
    95. 

  95. {
    96. 

  96. 	const struct color_info *ci = get_color_info(color_mode);
    97. 

  97. 	BUG_ON(!ci);
    98. 

  98. 

  99. 	return ci->a_bt + ci->r_bt + ci->g_bt + ci->b_bt + ci->x_bt;
    100. 

  100. }
    101. 

  101. 

  102. #ifdef CONFIG_DEBUG_FS
    103. 

  103. const char *dsscomp_get_color_name(enum omap_color_mode m)
    104. 

  104. {
    105. 

  105. 	const struct color_info *ci = get_color_info(m);
    106. 

  106. 	return ci ? ci->name : NULL;
    107. 

  107. }
    108. 

  108. #endif
    109. 

  109. 

  110. union rect {
    111. 

  111. 	struct {
    112. 

  112. 		s32 x;
    113. 

  113. 		s32 y;
    114. 

  114. 		s32 w;
    115. 

  115. 		s32 h;
    116. 

  116. 	};
    117. 

  117. 	struct {
    118. 

  118. 		s32 xy[2];
    119. 

  119. 		s32 wh[2];
    120. 

  120. 	};
    121. 

  121. 	struct dss2_rect_t r;
    122. 

  122. };
    123. 

  123. 

  124. int crop_to_rect(union rect *crop, union rect *win, union rect *vis,
    125. 

  125. 						int rotation, int mirror)
    126. 

  126. {
    127. 

  127. 	int c, swap = rotation & 1;
    128. 

  128. 

  129. 	/* align crop window with display coordinates */
    130. 

  130. 	if (swap)
    131. 

  131. 		crop->y -= (crop->h = -crop->h);
    132. 

  132. 	if (rotation & 2)
    133. 

  133. 		crop->xy[!swap] -= (crop->wh[!swap] = -crop->wh[!swap]);
    134. 

  134. 	if ((!mirror) ^ !(rotation & 2))
    135. 

  135. 		crop->xy[swap] -= (crop->wh[swap] = -crop->wh[swap]);
    136. 

  136. 

  137. 	for (c = 0; c < 2; c++) {
    138. 

  138. 		/* see if complete buffer is outside the vis or it is
    139. 

  139. 		   fully cropped or scaled to 0 */
    140. 

  140. 		if (win->wh[c] <= 0 || vis->wh[c] <= 0 ||
    141. 

  141. 		    win->xy[c] + win->wh[c] <= vis->xy[c] ||
    142. 

  142. 		    win->xy[c] >= vis->xy[c] + vis->wh[c] ||
    143. 

  143. 		    !crop->wh[c ^ swap])
    144. 

  144. 			return -ENOENT;
    145. 

  145. 

  146. 		/* crop left/top */
    147. 

  147. 		if (win->xy[c] < vis->xy[c]) {
    148. 

  148. 			/* correction term */
    149. 

  149. 			int a = (vis->xy[c] - win->xy[c]) *
    150. 

  150. 						crop->wh[c ^ swap] / win->wh[c];
    151. 

  151. 			crop->xy[c ^ swap] += a;
    152. 

  152. 			crop->wh[c ^ swap] -= a;
    153. 

  153. 			win->wh[c] -= vis->xy[c] - win->xy[c];
    154. 

  154. 			win->xy[c] = vis->xy[c];
    155. 

  155. 		}
    156. 

  156. 		/* crop right/bottom */
    157. 

  157. 		if (win->xy[c] + win->wh[c] > vis->xy[c] + vis->wh[c]) {
    158. 

  158. 			crop->wh[c ^ swap] = crop->wh[c ^ swap] *
    159. 

  159. 				(vis->xy[c] + vis->wh[c] - win->xy[c]) /
    160. 

  160. 								win->wh[c];
    161. 

  161. 			win->wh[c] = vis->xy[c] + vis->wh[c] - win->xy[c];
    162. 

  162. 		}
    163. 

  163. 

  164. 		if (!crop->wh[c ^ swap] || !win->wh[c])
    165. 

  165. 			return -ENOENT;
    166. 

  166. 	}
    167. 

  167. 

  168. 	/* realign crop window to buffer coordinates */
    169. 

  169. 	if (rotation & 2)
    170. 

  170. 		crop->xy[!swap] -= (crop->wh[!swap] = -crop->wh[!swap]);
    171. 

  171. 	if ((!mirror) ^ !(rotation & 2))
    172. 

  172. 		crop->xy[swap] -= (crop->wh[swap] = -crop->wh[swap]);
    173. 

  173. 	if (swap)
    174. 

  174. 		crop->y -= (crop->h = -crop->h);
    175. 

  175. 	return 0;
    176. 

  176. }
    177. 

  177. 

  178. int set_dss_ovl_info(struct dss2_ovl_info *oi)
    179. 

  179. {
    180. 

  180. 	struct omap_overlay_info info;
    181. 

  181. 	struct omap_overlay *ovl;
    182. 

  182. 	struct dss2_ovl_cfg *cfg;
    183. 

  183. 	union rect crop, win, vis;
    184. 

  184. 	int c;
    185. 

  185. 

  186. 	/* check overlay number */
    187. 

  187. 	if (!oi || oi->cfg.ix >= omap_dss_get_num_overlays())
    188. 

  188. 		return -EINVAL;
    189. 

  189. 	cfg = &oi->cfg;
    190. 

  190. 	ovl = omap_dss_get_overlay(cfg->ix);
    191. 

  191. 

  192. 	/* just in case there are new fields, we get the current info */
    193. 

  193. 	ovl->get_overlay_info(ovl, &info);
    194. 

  194. 

  195. 	info.enabled = cfg->enabled;
    196. 

  196. 	if (!cfg->enabled)
    197. 

  197. 		goto done;
    198. 

  198. 

  199. 	/* copied params */
    200. 

  200. 	info.zorder = cfg->zorder;
    201. 

  201. 

  202. 	if (cfg->zonly)
    203. 

  203. 		goto done;
    204. 

  204. 

  205. 	info.global_alpha = cfg->global_alpha;
    206. 

  206. 	info.pre_mult_alpha = cfg->pre_mult_alpha;
    207. 

  207. 	info.rotation = cfg->rotation;
    208. 

  208. 	info.mirror = cfg->mirror;
    209. 

  209. 	info.color_mode = cfg->color_mode;
    210. 

  210. 

  211. 	/* crop to screen */
    212. 

  212. 	crop.r = cfg->crop;
    213. 

  213. 	win.r = cfg->win;
    214. 

  214. 	vis.x = vis.y = 0;
    215. 

  215. 	vis.w = ovl->manager->device->panel.timings.x_res;
    216. 

  216. 	vis.h = ovl->manager->device->panel.timings.y_res;
    217. 

  217. 

  218. 	if (crop_to_rect(&crop, &win, &vis, cfg->rotation, cfg->mirror) ||
    219. 

  219. 								vis.w < 2) {
    220. 

  220. 		info.enabled = false;
    221. 

  221. 		goto done;
    222. 

  222. 	}
    223. 

  223. 

  224. 	/* adjust crop to UV pixel boundaries */
    225. 

  225. 	for (c = 0; c < (cfg->color_mode == OMAP_DSS_COLOR_NV12 ? 2 :
    226. 

  226. 		(cfg->color_mode &
    227. 

  227. 		 (OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY)) ? 1 : 0); c++) {
    228. 

  228. 		/* keep the output window to avoid trembling edges */
    229. 

  229. 		crop.wh[c] += crop.xy[c] & 1;	/* round down start */
    230. 

  230. 		crop.xy[c] &= ~1;
    231. 

  231. 		crop.wh[c] += crop.wh[c] & 1;	/* round up end */
    232. 

  232. 

  233. 		/*
    234. 

  234. 		 * Buffer is aligned on UV pixel boundaries, so no
    235. 

  235. 		 * worries about extending crop region.
    236. 

  236. 		 */
    237. 

  237. 	}
    238. 

  238. 

  239. 	info.width  = crop.w;
    240. 

  240. 	info.height = crop.h;
    241. 

  241. 	if (cfg->rotation & 1)
    242. 

  242. 		/* DISPC uses swapped height/width for 90/270 degrees */
    243. 

  243. 		swap(info.width, info.height);
    244. 

  244. 	info.pos_x = win.x;
    245. 

  245. 	info.pos_y = win.y;
    246. 

  246. 	info.out_width = win.w;
    247. 

  247. 	info.out_height = win.h;
    248. 

  248. 

  249. 	/* calculate addresses and cropping */
    250. 

  250. 	info.paddr = oi->ba;
    251. 

  251. 	info.p_uv_addr = (info.color_mode == OMAP_DSS_COLOR_NV12) ? oi->uv : 0;
    252. 

  252. 	info.vaddr = NULL;
    253. 

  253. 

  254. 	/* check for TILER 2D buffer */
    255. 

  255. 	if (info.paddr >= 0x60000000 && info.paddr < 0x78000000) {
    256. 

  256. 		int bpp = 1 << ((info.paddr >> 27) & 3);
    257. 

  257. 		struct tiler_view_t t;
    258. 

  258. 

  259. 		/* crop to top-left */
    260. 

  260. 

  261. 		/*
    262. 

  262. 		 * DSS supports YUV422 on 32-bit mode, but its technically
    263. 

  263. 		 * 2 bytes-per-pixel.
    264. 

  264. 		 * Also RGB24-888 is 3 bytes-per-pixel even though no
    265. 

  265. 		 * tiler pixel format matches this.
    266. 

  266. 		 */
    267. 

  267. 		if (cfg->color_mode &
    268. 

  268. 				(OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY))
    269. 

  269. 			bpp = 2;
    270. 

  270. 		else if (cfg->color_mode == OMAP_DSS_COLOR_RGB24P)
    271. 

  271. 			bpp = 3;
    272. 

  272. 

  273. 		tilview_create(&t, info.paddr, cfg->width, cfg->height);
    274. 

  274. 		info.paddr -= t.tsptr;
    275. 

  275. 		tilview_crop(&t, 0, crop.y, cfg->width, crop.h);
    276. 

  276. 		info.paddr += t.tsptr + bpp * crop.x;
    277. 

  277. 

  278. 		info.rotation_type = OMAP_DSS_ROT_TILER;
    279. 

  279. 		info.screen_width = 0;
    280. 

  280. 

  281. 		/* for NV12 format also crop NV12 */
    282. 

  282. 		if (info.color_mode == OMAP_DSS_COLOR_NV12) {
    283. 

  283. 			tilview_create(&t, info.p_uv_addr,
    284. 

  284. 					cfg->width >> 1, cfg->height >> 1);
    285. 

  285. 			info.p_uv_addr -= t.tsptr;
    286. 

  286. 			tilview_crop(&t, 0, crop.y >> 1, cfg->width >> 1,
    287. 

  287. 								crop.h >> 1);
    288. 

  288. 			info.p_uv_addr += t.tsptr + bpp * crop.x;
    289. 

  289. 		}
    290. 

  290. 	} else {
    291. 

  291. 		/* program tiler 1D as SDMA */
    292. 

  292. 

  293. 		int bpp = color_mode_to_bpp(cfg->color_mode);
    294. 

  294. 		info.screen_width = cfg->stride * 8 / (bpp == 12 ? 8 : bpp);
    295. 

  295. 		info.paddr += crop.x * (bpp / 8) + crop.y * cfg->stride;
    296. 

  296. 

  297. 		/* for NV12 format also crop NV12 */
    298. 

  298. 		if (info.color_mode == OMAP_DSS_COLOR_NV12)
    299. 

  299. 			info.p_uv_addr += crop.x * (bpp / 8) +
    300. 

  300. 				(crop.y >> 1) * cfg->stride;
    301. 

  301. 

  302. 		/* no rotation on DMA buffer */
    303. 

  303. 		if (cfg->rotation & 3 || cfg->mirror)
    304. 

  304. 			return -EINVAL;
    305. 

  305. 

  306. 		info.rotation_type = OMAP_DSS_ROT_DMA;
    307. 

  307. 	}
    308. 

  308. 

  309. 	info.max_x_decim = cfg->decim.max_x ? : 255;
    310. 

  310. 	info.max_y_decim = cfg->decim.max_y ? : 255;
    311. 

  311. 	info.min_x_decim = cfg->decim.min_x ? : 1;
    312. 

  312. 	info.min_y_decim = cfg->decim.min_y ? : 1;
    313. 

  313. #if 0
    314. 

  314. 	info.pic_height = cfg->height;
    315. 

  315. 

  316. 	info.field = 0;
    317. 

  317. 	if (cfg->ilace & OMAP_DSS_ILACE_SEQ)
    318. 

  318. 		info.field |= OMAP_FLAG_IBUF;
    319. 

  319. 	if (cfg->ilace & OMAP_DSS_ILACE_SWAP)
    320. 

  320. 		info.field |= OMAP_FLAG_ISWAP;
    321. 

  321. 	/*
    322. 

  322. 	 * Ignore OMAP_DSS_ILACE as there is no real support yet for
    323. 

  323. 	 * interlaced interleaved vs progressive buffers
    324. 

  324. 	 */
    325. 

  325. 	if (ovl->manager &&
    326. 

  326. 	    ovl->manager->device &&
    327. 

  327. 	    !strcmp(ovl->manager->device->name, "hdmi") &&
    328. 

  328. 	    is_hdmi_interlaced())
    329. 

  329. 		info.field |= OMAP_FLAG_IDEV;
    330. 

  330. 

  331. 	info.out_wb = 0;
    332. 

  332. #endif
    333. 

  333. 

  334. 	info.cconv = cfg->cconv;
    335. 

  335. 

  336. done:
    337. 

  337. #if 0
    338. 

  338. 	pr_debug("ovl%d: en=%d %x/%x (%dx%d|%d) => (%dx%d) @ (%d,%d) rot=%d "
    339. 

  339. 		"mir=%d col=%x z=%d al=%02x prem=%d pich=%d ilace=%d\n",
    340. 

  340. 		ovl->id, info.enabled, info.paddr, info.p_uv_addr, info.width,
    341. 

  341. 		info.height, info.screen_width, info.out_width, info.out_height,
    342. 

  342. 		info.pos_x, info.pos_y, info.rotation, info.mirror,
    343. 

  343. 		info.color_mode, info.zorder, info.global_alpha,
    344. 

  344. 		info.pre_mult_alpha, info.pic_height, info.field);
    345. 

  345. #else
    346. 

  346. 	pr_debug("ovl%d: en=%d %x/%x (%dx%d|%d) => (%dx%d) @ (%d,%d) rot=%d "
    347. 

  347. 		"mir=%d col=%x z=%d al=%02x prem=%d\n",
    348. 

  348. 		ovl->id, info.enabled, info.paddr, info.p_uv_addr, info.width,
    349. 

  349. 		info.height, info.screen_width, info.out_width, info.out_height,
    350. 

  350. 		info.pos_x, info.pos_y, info.rotation, info.mirror,
    351. 

  351. 		info.color_mode, info.zorder, info.global_alpha,
    352. 

  352. 		info.pre_mult_alpha);
    353. 

  353. #endif
    354. 

  354. 	/* set overlay info */
    355. 

  355. 	return ovl->set_overlay_info(ovl, &info);
    356. 

  356. }
    357. 

  357. 

  358. void swap_rb_in_ovl_info(struct dss2_ovl_info *oi)
    359. 

  359. {
    360. 

  360. 	/* we need to swap YUV color matrix if we are swapping R and B */
    361. 

  361. 	if (oi->cfg.color_mode &
    362. 

  362. 	    (OMAP_DSS_COLOR_NV12 | OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY)) {
    363. 

  363. 		swap(oi->cfg.cconv.ry, oi->cfg.cconv.by);
    364. 

  364. 		swap(oi->cfg.cconv.rcr, oi->cfg.cconv.bcr);
    365. 

  365. 		swap(oi->cfg.cconv.rcb, oi->cfg.cconv.bcb);
    366. 

  366. 	}
    367. 

  367. }
    368. 

  368. 

  369. struct omap_overlay_manager *find_dss_mgr(int display_ix)
    370. 

  370. {
    371. 

  371. 	struct omap_overlay_manager *mgr;
    372. 

  372. 	char name[32];
    373. 

  373. 	int i;
    374. 

  374. 

  375. 	sprintf(name, "display%d", display_ix);
    376. 

  376. 

  377. 	for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) {
    378. 

  378. 		mgr = omap_dss_get_overlay_manager(i);
    379. 

  379. 		if (mgr->device && !strcmp(name, dev_name(&mgr->device->dev)))
    380. 

  380. 			return mgr;
    381. 

  381. 	}
    382. 

  382. 	return NULL;
    383. 

  383. }
    384. 

  384. 

  385. int set_dss_mgr_info(struct dss2_mgr_info *mi, struct omapdss_ovl_cb *cb)
    386. 

  386. {
    387. 

  387. 	struct omap_overlay_manager_info info;
    388. 

  388. 	struct omap_overlay_manager *mgr;
    389. 

  389. 

  390. 	if (!mi)
    391. 

  391. 		return -EINVAL;
    392. 

  392. 	mgr = find_dss_mgr(mi->ix);
    393. 

  393. 	if (!mgr)
    394. 

  394. 		return -EINVAL;
    395. 

  395. 

  396. 	/* just in case there are new fields, we get the current info */
    397. 

  397. 	mgr->get_manager_info(mgr, &info);
    398. 

  398. 

  399. 	info.alpha_enabled = mi->alpha_blending;
    400. 

  400. 	info.default_color = mi->default_color;
    401. 

  401. 	info.trans_enabled = mi->trans_enabled && !mi->alpha_blending;
    402. 

  402. 	info.trans_key = mi->trans_key;
    403. 

  403. 	info.trans_key_type = mi->trans_key_type;
    404. 

  404. 

  405. 	info.cpr_coefs = mi->cpr_coefs;
    406. 

  406. 	info.cpr_enable = mi->cpr_enabled;
    407. 

  407. 	info.cb = *cb;
    408. 

  408. 

  409. 	return mgr->set_manager_info(mgr, &info);
    410. 

  410. }
    411. 

  411. 

  412. void swap_rb_in_mgr_info(struct dss2_mgr_info *mi)
    413. 

  413. {
    414. 

  414. 	const struct omap_dss_cpr_coefs c = { 256, 0, 0, 0, 256, 0, 0, 0, 256 };
    415. 

  415. 

  416. 	/* set default CPR */
    417. 

  417. 	if (!mi->cpr_enabled)
    418. 

  418. 		mi->cpr_coefs = c;
    419. 

  419. 	mi->cpr_enabled = true;
    420. 

  420. 

  421. 	/* swap red and blue */
    422. 

  422. 	swap(mi->cpr_coefs.rr, mi->cpr_coefs.br);
    423. 

  423. 	swap(mi->cpr_coefs.rg, mi->cpr_coefs.bg);
    424. 

  424. 	swap(mi->cpr_coefs.rb, mi->cpr_coefs.bb);
    425. 

  425. }
    426. 

  426. 

  427. /*
    428. 

  428.  * ===========================================================================
    429. 

  429.  *				DEBUG METHODS
    430. 

  430.  * ===========================================================================
    431. 

  431.  */
    432. 

  432. void dump_ovl_info(struct dsscomp_dev *cdev, struct dss2_ovl_info *oi)
    433. 

  433. {
    434. 

  434. 	struct dss2_ovl_cfg *c = &oi->cfg;
    435. 

  435. 	const struct color_info *ci;
    436. 

  436. 

  437. 	if (!(debug & DEBUG_OVERLAYS) ||
    438. 

  438. 	    !(debug & DEBUG_COMPOSITIONS))
    439. 

  439. 		return;
    440. 

  440. 

  441. 	ci = get_color_info(c->color_mode);
    442. 

  442. 	if (c->zonly) {
    443. 

  443. 		dev_info(DEV(cdev), "ovl%d(%s z%d)\n",
    444. 

  444. 			c->ix, c->enabled ? "ON" : "off", c->zorder);
    445. 

  445. 		return;
    446. 

  446. 	}
    447. 

  447. 	dev_info(DEV(cdev), "ovl%d(%s z%d %s%s *%d%% %d*%d:%d,%d+%d,%d rot%d%s"
    448. 

  448. 						" => %d,%d+%d,%d %p/%p|%d)\n",
    449. 

  449. 		c->ix, c->enabled ? "ON" : "off", c->zorder,
    450. 

  450. 		ci->name ? : "(none)",
    451. 

  451. 		c->pre_mult_alpha ? " premult" : "",
    452. 

  452. 		(c->global_alpha * 100 + 128) / 255,
    453. 

  453. 		c->width, c->height, c->crop.x, c->crop.y,
    454. 

  454. 		c->crop.w, c->crop.h,
    455. 

  455. 		c->rotation, c->mirror ? "+mir" : "",
    456. 

  456. 		c->win.x, c->win.y, c->win.w, c->win.h,
    457. 

  457. 		(void *) oi->ba, (void *) oi->uv, c->stride);
    458. 

  458. }
    459. 

  459. 

  460. static void print_mgr_info(struct dsscomp_dev *cdev,
    461. 

  461. 			struct dss2_mgr_info *mi)
    462. 

  462. {
    463. 

  463. 	printk("(dis%d(%s) alpha=%d col=%08x ilace=%d) ",
    464. 

  464. 		mi->ix,
    465. 

  465. 		(mi->ix < cdev->num_displays && cdev->displays[mi->ix]) ?
    466. 

  466. 		cdev->displays[mi->ix]->name : "NONE",
    467. 

  467. 		mi->alpha_blending, mi->default_color,
    468. 

  468. 		mi->interlaced);
    469. 

  469. }
    470. 

  470. 

  471. void dump_comp_info(struct dsscomp_dev *cdev, struct dsscomp_setup_mgr_data *d,
    472. 

  472. 			const char *phase)
    473. 

  473. {
    474. 

  474. 	if (!(debug & DEBUG_COMPOSITIONS))
    475. 

  475. 		return;
    476. 

  476. 

  477. 	dev_info(DEV(cdev), "[%p] %s: %c%c%c ",
    478. 

  478. 		 *phase == 'q' ? (void *) d->sync_id : d, phase,
    479. 

  479. 		 (d->mode & DSSCOMP_SETUP_MODE_APPLY) ? 'A' : '-',
    480. 

  480. 		 (d->mode & DSSCOMP_SETUP_MODE_DISPLAY) ? 'D' : '-',
    481. 

  481. 		 (d->mode & DSSCOMP_SETUP_MODE_CAPTURE) ? 'C' : '-');
    482. 

  482. 	print_mgr_info(cdev, &d->mgr);
    483. 

  483. 	printk("n=%d\n", d->num_ovls);
    484. 

  484. }
    485. 

  485. 

  486. void dump_total_comp_info(struct dsscomp_dev *cdev,
    487. 

  487. 			struct dsscomp_setup_dispc_data *d,
    488. 

  488. 			const char *phase)
    489. 

  489. {
    490. 

  490. 	int i;
    491. 

  491. 

  492. 	if (!(debug & DEBUG_COMPOSITIONS))
    493. 

  493. 		return;
    494. 

  494. 

  495. 	dev_info(DEV(cdev), "[%p] %s: %c%c%c ",
    496. 

  496. 		 *phase == 'q' ? (void *) d->sync_id : d, phase,
    497. 

  497. 		 (d->mode & DSSCOMP_SETUP_MODE_APPLY) ? 'A' : '-',
    498. 

  498. 		 (d->mode & DSSCOMP_SETUP_MODE_DISPLAY) ? 'D' : '-',
    499. 

  499. 		 (d->mode & DSSCOMP_SETUP_MODE_CAPTURE) ? 'C' : '-');
    500. 

  500. 

  501. 	for (i = 0; i < d->num_mgrs && i < ARRAY_SIZE(d->mgrs); i++)
    502. 

  502. 		print_mgr_info(cdev, d->mgrs + i);
    503. 

  503. 	printk("n=%d\n", d->num_ovls);
    504. 

  504. }
    505.