dss_features.c 17 KB

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  1. /*
  2. * linux/drivers/video/omap2/dss/dss_features.c
  3. *
  4. * Copyright (C) 2010 Texas Instruments
  5. * Author: Archit Taneja <archit@ti.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License version 2 as published by
  9. * the Free Software Foundation.
  10. *
  11. * This program is distributed in the hope that it will be useful, but WITHOUT
  12. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14. * more details.
  15. *
  16. * You should have received a copy of the GNU General Public License along with
  17. * this program. If not, see <http://www.gnu.org/licenses/>.
  18. */
  19. #include <linux/kernel.h>
  20. #include <linux/types.h>
  21. #include <linux/err.h>
  22. #include <linux/slab.h>
  23. #include <video/omapdss.h>
  24. #include <plat/cpu.h>
  25. #include "dss.h"
  26. #include "dss_features.h"
  27. /* Defines a generic omap register field */
  28. struct dss_reg_field {
  29. u8 start, end;
  30. };
  31. struct dss_param_range {
  32. int min, max;
  33. };
  34. struct omap_dss_features {
  35. const struct dss_reg_field *reg_fields;
  36. const int num_reg_fields;
  37. const u32 has_feature;
  38. const int num_mgrs;
  39. const int num_ovls;
  40. const enum omap_display_type *supported_displays;
  41. const enum omap_color_mode *supported_color_modes;
  42. const enum omap_overlay_caps *overlay_caps;
  43. const char * const *clksrc_names;
  44. const struct dss_param_range *dss_params;
  45. const u32 buffer_size_unit;
  46. const u32 burst_size_unit;
  47. };
  48. /* This struct is assigned to one of the below during initialization */
  49. static const struct omap_dss_features *omap_current_dss_features;
  50. static const struct dss_reg_field omap2_dss_reg_fields[] = {
  51. [FEAT_REG_FIRHINC] = { 11, 0 },
  52. [FEAT_REG_FIRVINC] = { 27, 16 },
  53. [FEAT_REG_FIFOLOWTHRESHOLD] = { 8, 0 },
  54. [FEAT_REG_FIFOHIGHTHRESHOLD] = { 24, 16 },
  55. [FEAT_REG_FIFOSIZE] = { 8, 0 },
  56. [FEAT_REG_HORIZONTALACCU] = { 9, 0 },
  57. [FEAT_REG_VERTICALACCU] = { 25, 16 },
  58. [FEAT_REG_DISPC_CLK_SWITCH] = { 0, 0 },
  59. [FEAT_REG_DSIPLL_REGN] = { 0, 0 },
  60. [FEAT_REG_DSIPLL_REGM] = { 0, 0 },
  61. [FEAT_REG_DSIPLL_REGM_DISPC] = { 0, 0 },
  62. [FEAT_REG_DSIPLL_REGM_DSI] = { 0, 0 },
  63. };
  64. static const struct dss_reg_field omap3_dss_reg_fields[] = {
  65. [FEAT_REG_FIRHINC] = { 12, 0 },
  66. [FEAT_REG_FIRVINC] = { 28, 16 },
  67. [FEAT_REG_FIFOLOWTHRESHOLD] = { 11, 0 },
  68. [FEAT_REG_FIFOHIGHTHRESHOLD] = { 27, 16 },
  69. [FEAT_REG_FIFOSIZE] = { 10, 0 },
  70. [FEAT_REG_HORIZONTALACCU] = { 9, 0 },
  71. [FEAT_REG_VERTICALACCU] = { 25, 16 },
  72. [FEAT_REG_DISPC_CLK_SWITCH] = { 0, 0 },
  73. [FEAT_REG_DSIPLL_REGN] = { 7, 1 },
  74. [FEAT_REG_DSIPLL_REGM] = { 18, 8 },
  75. [FEAT_REG_DSIPLL_REGM_DISPC] = { 22, 19 },
  76. [FEAT_REG_DSIPLL_REGM_DSI] = { 26, 23 },
  77. };
  78. static const struct dss_reg_field omap4_dss_reg_fields[] = {
  79. [FEAT_REG_FIRHINC] = { 12, 0 },
  80. [FEAT_REG_FIRVINC] = { 28, 16 },
  81. [FEAT_REG_FIFOLOWTHRESHOLD] = { 15, 0 },
  82. [FEAT_REG_FIFOHIGHTHRESHOLD] = { 31, 16 },
  83. [FEAT_REG_FIFOSIZE] = { 15, 0 },
  84. [FEAT_REG_HORIZONTALACCU] = { 10, 0 },
  85. [FEAT_REG_VERTICALACCU] = { 26, 16 },
  86. [FEAT_REG_DISPC_CLK_SWITCH] = { 9, 8 },
  87. [FEAT_REG_DSIPLL_REGN] = { 8, 1 },
  88. [FEAT_REG_DSIPLL_REGM] = { 20, 9 },
  89. [FEAT_REG_DSIPLL_REGM_DISPC] = { 25, 21 },
  90. [FEAT_REG_DSIPLL_REGM_DSI] = { 30, 26 },
  91. };
  92. static const enum omap_display_type omap2_dss_supported_displays[] = {
  93. /* OMAP_DSS_CHANNEL_LCD */
  94. OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
  95. /* OMAP_DSS_CHANNEL_DIGIT */
  96. OMAP_DISPLAY_TYPE_VENC,
  97. };
  98. static const enum omap_display_type omap3430_dss_supported_displays[] = {
  99. /* OMAP_DSS_CHANNEL_LCD */
  100. OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
  101. OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
  102. /* OMAP_DSS_CHANNEL_DIGIT */
  103. OMAP_DISPLAY_TYPE_VENC,
  104. };
  105. static const enum omap_display_type omap3630_dss_supported_displays[] = {
  106. /* OMAP_DSS_CHANNEL_LCD */
  107. OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
  108. OMAP_DISPLAY_TYPE_DSI,
  109. /* OMAP_DSS_CHANNEL_DIGIT */
  110. OMAP_DISPLAY_TYPE_VENC,
  111. };
  112. static const enum omap_display_type omap4_dss_supported_displays[] = {
  113. /* OMAP_DSS_CHANNEL_LCD */
  114. OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
  115. /* OMAP_DSS_CHANNEL_DIGIT */
  116. OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
  117. /* OMAP_DSS_CHANNEL_LCD2 */
  118. OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
  119. OMAP_DISPLAY_TYPE_DSI,
  120. };
  121. static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
  122. /* OMAP_DSS_GFX */
  123. OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
  124. OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
  125. OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
  126. OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
  127. /* OMAP_DSS_VIDEO1 */
  128. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
  129. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
  130. OMAP_DSS_COLOR_UYVY,
  131. /* OMAP_DSS_VIDEO2 */
  132. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
  133. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
  134. OMAP_DSS_COLOR_UYVY,
  135. };
  136. static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
  137. /* OMAP_DSS_GFX */
  138. OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
  139. OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
  140. OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
  141. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
  142. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
  143. OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
  144. /* OMAP_DSS_VIDEO1 */
  145. OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
  146. OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
  147. OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
  148. /* OMAP_DSS_VIDEO2 */
  149. OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
  150. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
  151. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
  152. OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
  153. OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
  154. };
  155. static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
  156. /* OMAP_DSS_GFX */
  157. OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
  158. OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
  159. OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
  160. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
  161. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
  162. OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
  163. OMAP_DSS_COLOR_ARGB16_1555,
  164. /* OMAP_DSS_VIDEO1 */
  165. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
  166. OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
  167. OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
  168. OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
  169. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
  170. OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
  171. OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
  172. OMAP_DSS_COLOR_RGBX32,
  173. /* OMAP_DSS_VIDEO2 */
  174. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
  175. OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
  176. OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
  177. OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
  178. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
  179. OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
  180. OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
  181. OMAP_DSS_COLOR_RGBX32,
  182. /* OMAP_DSS_VIDEO3 */
  183. OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
  184. OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
  185. OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
  186. OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
  187. OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
  188. OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
  189. OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
  190. OMAP_DSS_COLOR_RGBX32,
  191. };
  192. static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
  193. /* OMAP_DSS_GFX */
  194. 0,
  195. /* OMAP_DSS_VIDEO1 */
  196. OMAP_DSS_OVL_CAP_SCALE,
  197. /* OMAP_DSS_VIDEO2 */
  198. OMAP_DSS_OVL_CAP_SCALE,
  199. };
  200. static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
  201. /* OMAP_DSS_GFX */
  202. OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
  203. /* OMAP_DSS_VIDEO1 */
  204. OMAP_DSS_OVL_CAP_SCALE,
  205. /* OMAP_DSS_VIDEO2 */
  206. OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
  207. };
  208. static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
  209. /* OMAP_DSS_GFX */
  210. OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
  211. /* OMAP_DSS_VIDEO1 */
  212. OMAP_DSS_OVL_CAP_SCALE,
  213. /* OMAP_DSS_VIDEO2 */
  214. OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
  215. OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
  216. };
  217. static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
  218. /* OMAP_DSS_GFX */
  219. OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
  220. OMAP_DSS_OVL_CAP_ZORDER,
  221. /* OMAP_DSS_VIDEO1 */
  222. OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
  223. OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
  224. /* OMAP_DSS_VIDEO2 */
  225. OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
  226. OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
  227. /* OMAP_DSS_VIDEO3 */
  228. OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
  229. OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
  230. };
  231. static const char * const omap2_dss_clk_source_names[] = {
  232. [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "N/A",
  233. [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "N/A",
  234. [OMAP_DSS_CLK_SRC_FCK] = "DSS_FCLK1",
  235. };
  236. static const char * const omap3_dss_clk_source_names[] = {
  237. [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "DSI1_PLL_FCLK",
  238. [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "DSI2_PLL_FCLK",
  239. [OMAP_DSS_CLK_SRC_FCK] = "DSS1_ALWON_FCLK",
  240. };
  241. static const char * const omap4_dss_clk_source_names[] = {
  242. [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "PLL1_CLK1",
  243. [OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "PLL1_CLK2",
  244. [OMAP_DSS_CLK_SRC_FCK] = "DSS_FCLK",
  245. [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "PLL2_CLK1",
  246. [OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI] = "PLL2_CLK2",
  247. };
  248. static const struct dss_param_range omap2_dss_param_range[] = {
  249. [FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
  250. [FEAT_PARAM_DSS_PCD] = { 2, 255 },
  251. [FEAT_PARAM_DSIPLL_REGN] = { 0, 0 },
  252. [FEAT_PARAM_DSIPLL_REGM] = { 0, 0 },
  253. [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, 0 },
  254. [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, 0 },
  255. [FEAT_PARAM_DSIPLL_FINT] = { 0, 0 },
  256. [FEAT_PARAM_DSIPLL_LPDIV] = { 0, 0 },
  257. [FEAT_PARAM_DOWNSCALE] = { 1, 2 },
  258. };
  259. static const struct dss_param_range omap3_dss_param_range[] = {
  260. [FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
  261. [FEAT_PARAM_DSS_PCD] = { 1, 255 },
  262. [FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 7) - 1 },
  263. [FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 11) - 1 },
  264. [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 4) - 1 },
  265. [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 4) - 1 },
  266. [FEAT_PARAM_DSIPLL_FINT] = { 750000, 2100000 },
  267. [FEAT_PARAM_DSIPLL_LPDIV] = { 1, (1 << 13) - 1},
  268. [FEAT_PARAM_DOWNSCALE] = { 1, 4 },
  269. };
  270. static const struct dss_param_range omap4_dss_param_range[] = {
  271. [FEAT_PARAM_DSS_FCK] = { 0, 186000000 },
  272. [FEAT_PARAM_DSS_PCD] = { 1, 255 },
  273. [FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 8) - 1 },
  274. [FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 12) - 1 },
  275. [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 5) - 1 },
  276. [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 },
  277. [FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 },
  278. [FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 },
  279. [FEAT_PARAM_DOWNSCALE] = { 1, 4 },
  280. };
  281. /* OMAP2 DSS Features */
  282. static const struct omap_dss_features omap2_dss_features = {
  283. .reg_fields = omap2_dss_reg_fields,
  284. .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
  285. .has_feature =
  286. FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL |
  287. FEAT_PCKFREEENABLE | FEAT_FUNCGATED |
  288. FEAT_ROWREPEATENABLE | FEAT_RESIZECONF,
  289. .num_mgrs = 2,
  290. .num_ovls = 3,
  291. .supported_displays = omap2_dss_supported_displays,
  292. .supported_color_modes = omap2_dss_supported_color_modes,
  293. .overlay_caps = omap2_dss_overlay_caps,
  294. .clksrc_names = omap2_dss_clk_source_names,
  295. .dss_params = omap2_dss_param_range,
  296. .buffer_size_unit = 1,
  297. .burst_size_unit = 8,
  298. };
  299. /* OMAP3 DSS Features */
  300. static const struct omap_dss_features omap3430_dss_features = {
  301. .reg_fields = omap3_dss_reg_fields,
  302. .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
  303. .has_feature =
  304. FEAT_LCDENABLEPOL |
  305. FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
  306. FEAT_FUNCGATED | FEAT_ROWREPEATENABLE |
  307. FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF |
  308. FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC |
  309. FEAT_VENC_REQUIRES_TV_DAC_CLK | FEAT_CPR | FEAT_PRELOAD |
  310. FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER,
  311. .num_mgrs = 2,
  312. .num_ovls = 3,
  313. .supported_displays = omap3430_dss_supported_displays,
  314. .supported_color_modes = omap3_dss_supported_color_modes,
  315. .overlay_caps = omap3430_dss_overlay_caps,
  316. .clksrc_names = omap3_dss_clk_source_names,
  317. .dss_params = omap3_dss_param_range,
  318. .buffer_size_unit = 1,
  319. .burst_size_unit = 8,
  320. };
  321. static const struct omap_dss_features omap3630_dss_features = {
  322. .reg_fields = omap3_dss_reg_fields,
  323. .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
  324. .has_feature =
  325. FEAT_LCDENABLEPOL |
  326. FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
  327. FEAT_FUNCGATED |
  328. FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT |
  329. FEAT_RESIZECONF | FEAT_DSI_PLL_PWR_BUG |
  330. FEAT_DSI_PLL_FREQSEL | FEAT_CPR | FEAT_PRELOAD |
  331. FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER,
  332. .num_mgrs = 2,
  333. .num_ovls = 3,
  334. .supported_displays = omap3630_dss_supported_displays,
  335. .supported_color_modes = omap3_dss_supported_color_modes,
  336. .overlay_caps = omap3630_dss_overlay_caps,
  337. .clksrc_names = omap3_dss_clk_source_names,
  338. .dss_params = omap3_dss_param_range,
  339. .buffer_size_unit = 1,
  340. .burst_size_unit = 8,
  341. };
  342. /* OMAP4 DSS Features */
  343. /* For OMAP4430 ES 1.0 revision */
  344. static const struct omap_dss_features omap4430_es1_0_dss_features = {
  345. .reg_fields = omap4_dss_reg_fields,
  346. .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
  347. .has_feature =
  348. FEAT_MGR_LCD2 |
  349. FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC |
  350. FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
  351. FEAT_DSI_GNQ | FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 |
  352. FEAT_CPR | FEAT_PRELOAD | FEAT_FIR_COEF_V |
  353. FEAT_ALPHA_FREE_ZORDER,
  354. .num_mgrs = 3,
  355. .num_ovls = 4,
  356. .supported_displays = omap4_dss_supported_displays,
  357. .supported_color_modes = omap4_dss_supported_color_modes,
  358. .overlay_caps = omap4_dss_overlay_caps,
  359. .clksrc_names = omap4_dss_clk_source_names,
  360. .dss_params = omap4_dss_param_range,
  361. .buffer_size_unit = 16,
  362. .burst_size_unit = 16,
  363. };
  364. /* For all the other OMAP4 versions */
  365. static const struct omap_dss_features omap4_dss_features = {
  366. .reg_fields = omap4_dss_reg_fields,
  367. .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
  368. .has_feature =
  369. FEAT_MGR_LCD2 |
  370. FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC |
  371. FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
  372. FEAT_DSI_GNQ | FEAT_HDMI_CTS_SWMODE |
  373. FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 | FEAT_CPR |
  374. FEAT_PRELOAD | FEAT_FIR_COEF_V | FEAT_ALPHA_FREE_ZORDER,
  375. .num_mgrs = 3,
  376. .num_ovls = 4,
  377. .supported_displays = omap4_dss_supported_displays,
  378. .supported_color_modes = omap4_dss_supported_color_modes,
  379. .overlay_caps = omap4_dss_overlay_caps,
  380. .clksrc_names = omap4_dss_clk_source_names,
  381. .dss_params = omap4_dss_param_range,
  382. .buffer_size_unit = 16,
  383. .burst_size_unit = 16,
  384. };
  385. #if defined(CONFIG_OMAP4_DSS_HDMI)
  386. /* HDMI OMAP4 Functions*/
  387. static const struct ti_hdmi_ip_ops omap4_hdmi_functions = {
  388. .video_configure = ti_hdmi_4xxx_basic_configure,
  389. .phy_enable = ti_hdmi_4xxx_phy_enable,
  390. .phy_disable = ti_hdmi_4xxx_phy_disable,
  391. .read_edid = ti_hdmi_4xxx_read_edid,
  392. .detect = ti_hdmi_4xxx_detect,
  393. .pll_enable = ti_hdmi_4xxx_pll_enable,
  394. .pll_disable = ti_hdmi_4xxx_pll_disable,
  395. .video_enable = ti_hdmi_4xxx_wp_video_start,
  396. .dump_wrapper = ti_hdmi_4xxx_wp_dump,
  397. .dump_core = ti_hdmi_4xxx_core_dump,
  398. .dump_pll = ti_hdmi_4xxx_pll_dump,
  399. .dump_phy = ti_hdmi_4xxx_phy_dump,
  400. };
  401. void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data)
  402. {
  403. if (cpu_is_omap44xx())
  404. ip_data->ops = &omap4_hdmi_functions;
  405. }
  406. #endif
  407. /* Functions returning values related to a DSS feature */
  408. int dss_feat_get_num_mgrs(void)
  409. {
  410. return omap_current_dss_features->num_mgrs;
  411. }
  412. int dss_feat_get_num_ovls(void)
  413. {
  414. return omap_current_dss_features->num_ovls;
  415. }
  416. unsigned long dss_feat_get_param_min(enum dss_range_param param)
  417. {
  418. return omap_current_dss_features->dss_params[param].min;
  419. }
  420. unsigned long dss_feat_get_param_max(enum dss_range_param param)
  421. {
  422. return omap_current_dss_features->dss_params[param].max;
  423. }
  424. enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
  425. {
  426. return omap_current_dss_features->supported_displays[channel];
  427. }
  428. enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
  429. {
  430. return omap_current_dss_features->supported_color_modes[plane];
  431. }
  432. enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
  433. {
  434. return omap_current_dss_features->overlay_caps[plane];
  435. }
  436. bool dss_feat_color_mode_supported(enum omap_plane plane,
  437. enum omap_color_mode color_mode)
  438. {
  439. return omap_current_dss_features->supported_color_modes[plane] &
  440. color_mode;
  441. }
  442. const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
  443. {
  444. return omap_current_dss_features->clksrc_names[id];
  445. }
  446. u32 dss_feat_get_buffer_size_unit(void)
  447. {
  448. return omap_current_dss_features->buffer_size_unit;
  449. }
  450. u32 dss_feat_get_burst_size_unit(void)
  451. {
  452. return omap_current_dss_features->burst_size_unit;
  453. }
  454. /* DSS has_feature check */
  455. bool dss_has_feature(enum dss_feat_id id)
  456. {
  457. return omap_current_dss_features->has_feature & id;
  458. }
  459. void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
  460. {
  461. if (id >= omap_current_dss_features->num_reg_fields)
  462. BUG();
  463. *start = omap_current_dss_features->reg_fields[id].start;
  464. *end = omap_current_dss_features->reg_fields[id].end;
  465. }
  466. void dss_features_init(void)
  467. {
  468. if (cpu_is_omap24xx())
  469. omap_current_dss_features = &omap2_dss_features;
  470. else if (cpu_is_omap3630())
  471. omap_current_dss_features = &omap3630_dss_features;
  472. else if (cpu_is_omap34xx())
  473. omap_current_dss_features = &omap3430_dss_features;
  474. else if (omap_rev() == OMAP4430_REV_ES1_0)
  475. omap_current_dss_features = &omap4430_es1_0_dss_features;
  476. else if (cpu_is_omap44xx())
  477. omap_current_dss_features = &omap4_dss_features;
  478. else
  479. DSSWARN("Unsupported OMAP version");
  480. }