1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * VPIF header file 4 * 5 * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/ 6 */ 7 8 #ifndef VPIF_H 9 #define VPIF_H 10 11 #include <linux/io.h> 12 #include <linux/videodev2.h> 13 #include <media/davinci/vpif_types.h> 14 15 /* Maximum channel allowed */ 16 #define VPIF_NUM_CHANNELS (4) 17 #define VPIF_CAPTURE_NUM_CHANNELS (2) 18 #define VPIF_DISPLAY_NUM_CHANNELS (2) 19 20 /* Macros to read/write registers */ 21 extern void __iomem *vpif_base; 22 extern spinlock_t vpif_lock; 23 24 #define regr(reg) readl((reg) + vpif_base) 25 #define regw(value, reg) writel(value, (reg + vpif_base)) 26 27 /* Register Address Offsets */ 28 #define VPIF_PID (0x0000) 29 #define VPIF_CH0_CTRL (0x0004) 30 #define VPIF_CH1_CTRL (0x0008) 31 #define VPIF_CH2_CTRL (0x000C) 32 #define VPIF_CH3_CTRL (0x0010) 33 34 #define VPIF_INTEN (0x0020) 35 #define VPIF_INTEN_SET (0x0024) 36 #define VPIF_INTEN_CLR (0x0028) 37 #define VPIF_STATUS (0x002C) 38 #define VPIF_STATUS_CLR (0x0030) 39 #define VPIF_EMULATION_CTRL (0x0034) 40 #define VPIF_REQ_SIZE (0x0038) 41 42 #define VPIF_CH0_TOP_STRT_ADD_LUMA (0x0040) 43 #define VPIF_CH0_BTM_STRT_ADD_LUMA (0x0044) 44 #define VPIF_CH0_TOP_STRT_ADD_CHROMA (0x0048) 45 #define VPIF_CH0_BTM_STRT_ADD_CHROMA (0x004c) 46 #define VPIF_CH0_TOP_STRT_ADD_HANC (0x0050) 47 #define VPIF_CH0_BTM_STRT_ADD_HANC (0x0054) 48 #define VPIF_CH0_TOP_STRT_ADD_VANC (0x0058) 49 #define VPIF_CH0_BTM_STRT_ADD_VANC (0x005c) 50 #define VPIF_CH0_SP_CFG (0x0060) 51 #define VPIF_CH0_IMG_ADD_OFST (0x0064) 52 #define VPIF_CH0_HANC_ADD_OFST (0x0068) 53 #define VPIF_CH0_H_CFG (0x006c) 54 #define VPIF_CH0_V_CFG_00 (0x0070) 55 #define VPIF_CH0_V_CFG_01 (0x0074) 56 #define VPIF_CH0_V_CFG_02 (0x0078) 57 #define VPIF_CH0_V_CFG_03 (0x007c) 58 59 #define VPIF_CH1_TOP_STRT_ADD_LUMA (0x0080) 60 #define VPIF_CH1_BTM_STRT_ADD_LUMA (0x0084) 61 #define VPIF_CH1_TOP_STRT_ADD_CHROMA (0x0088) 62 #define VPIF_CH1_BTM_STRT_ADD_CHROMA (0x008c) 63 #define VPIF_CH1_TOP_STRT_ADD_HANC (0x0090) 64 #define VPIF_CH1_BTM_STRT_ADD_HANC (0x0094) 65 #define VPIF_CH1_TOP_STRT_ADD_VANC (0x0098) 66 #define VPIF_CH1_BTM_STRT_ADD_VANC (0x009c) 67 #define VPIF_CH1_SP_CFG (0x00a0) 68 #define VPIF_CH1_IMG_ADD_OFST (0x00a4) 69 #define VPIF_CH1_HANC_ADD_OFST (0x00a8) 70 #define VPIF_CH1_H_CFG (0x00ac) 71 #define VPIF_CH1_V_CFG_00 (0x00b0) 72 #define VPIF_CH1_V_CFG_01 (0x00b4) 73 #define VPIF_CH1_V_CFG_02 (0x00b8) 74 #define VPIF_CH1_V_CFG_03 (0x00bc) 75 76 #define VPIF_CH2_TOP_STRT_ADD_LUMA (0x00c0) 77 #define VPIF_CH2_BTM_STRT_ADD_LUMA (0x00c4) 78 #define VPIF_CH2_TOP_STRT_ADD_CHROMA (0x00c8) 79 #define VPIF_CH2_BTM_STRT_ADD_CHROMA (0x00cc) 80 #define VPIF_CH2_TOP_STRT_ADD_HANC (0x00d0) 81 #define VPIF_CH2_BTM_STRT_ADD_HANC (0x00d4) 82 #define VPIF_CH2_TOP_STRT_ADD_VANC (0x00d8) 83 #define VPIF_CH2_BTM_STRT_ADD_VANC (0x00dc) 84 #define VPIF_CH2_SP_CFG (0x00e0) 85 #define VPIF_CH2_IMG_ADD_OFST (0x00e4) 86 #define VPIF_CH2_HANC_ADD_OFST (0x00e8) 87 #define VPIF_CH2_H_CFG (0x00ec) 88 #define VPIF_CH2_V_CFG_00 (0x00f0) 89 #define VPIF_CH2_V_CFG_01 (0x00f4) 90 #define VPIF_CH2_V_CFG_02 (0x00f8) 91 #define VPIF_CH2_V_CFG_03 (0x00fc) 92 #define VPIF_CH2_HANC0_STRT (0x0100) 93 #define VPIF_CH2_HANC0_SIZE (0x0104) 94 #define VPIF_CH2_HANC1_STRT (0x0108) 95 #define VPIF_CH2_HANC1_SIZE (0x010c) 96 #define VPIF_CH2_VANC0_STRT (0x0110) 97 #define VPIF_CH2_VANC0_SIZE (0x0114) 98 #define VPIF_CH2_VANC1_STRT (0x0118) 99 #define VPIF_CH2_VANC1_SIZE (0x011c) 100 101 #define VPIF_CH3_TOP_STRT_ADD_LUMA (0x0140) 102 #define VPIF_CH3_BTM_STRT_ADD_LUMA (0x0144) 103 #define VPIF_CH3_TOP_STRT_ADD_CHROMA (0x0148) 104 #define VPIF_CH3_BTM_STRT_ADD_CHROMA (0x014c) 105 #define VPIF_CH3_TOP_STRT_ADD_HANC (0x0150) 106 #define VPIF_CH3_BTM_STRT_ADD_HANC (0x0154) 107 #define VPIF_CH3_TOP_STRT_ADD_VANC (0x0158) 108 #define VPIF_CH3_BTM_STRT_ADD_VANC (0x015c) 109 #define VPIF_CH3_SP_CFG (0x0160) 110 #define VPIF_CH3_IMG_ADD_OFST (0x0164) 111 #define VPIF_CH3_HANC_ADD_OFST (0x0168) 112 #define VPIF_CH3_H_CFG (0x016c) 113 #define VPIF_CH3_V_CFG_00 (0x0170) 114 #define VPIF_CH3_V_CFG_01 (0x0174) 115 #define VPIF_CH3_V_CFG_02 (0x0178) 116 #define VPIF_CH3_V_CFG_03 (0x017c) 117 #define VPIF_CH3_HANC0_STRT (0x0180) 118 #define VPIF_CH3_HANC0_SIZE (0x0184) 119 #define VPIF_CH3_HANC1_STRT (0x0188) 120 #define VPIF_CH3_HANC1_SIZE (0x018c) 121 #define VPIF_CH3_VANC0_STRT (0x0190) 122 #define VPIF_CH3_VANC0_SIZE (0x0194) 123 #define VPIF_CH3_VANC1_STRT (0x0198) 124 #define VPIF_CH3_VANC1_SIZE (0x019c) 125 126 #define VPIF_IODFT_CTRL (0x01c0) 127 128 /* Functions for bit Manipulation */ 129 static inline void vpif_set_bit(u32 reg, u32 bit) 130 { 131 regw((regr(reg)) | (0x01 << bit), reg); 132 } 133 134 static inline void vpif_clr_bit(u32 reg, u32 bit) 135 { 136 regw(((regr(reg)) & ~(0x01 << bit)), reg); 137 } 138 139 /* Macro for Generating mask */ 140 #ifdef GENERATE_MASK 141 #undef GENERATE_MASK 142 #endif 143 144 #define GENERATE_MASK(bits, pos) \ 145 ((((0xFFFFFFFF) << (32 - bits)) >> (32 - bits)) << pos) 146 147 /* Bit positions in the channel control registers */ 148 #define VPIF_CH_DATA_MODE_BIT (2) 149 #define VPIF_CH_YC_MUX_BIT (3) 150 #define VPIF_CH_SDR_FMT_BIT (4) 151 #define VPIF_CH_HANC_EN_BIT (8) 152 #define VPIF_CH_VANC_EN_BIT (9) 153 154 #define VPIF_CAPTURE_CH_NIP (10) 155 #define VPIF_DISPLAY_CH_NIP (11) 156 157 #define VPIF_DISPLAY_PIX_EN_BIT (10) 158 159 #define VPIF_CH_INPUT_FIELD_FRAME_BIT (12) 160 161 #define VPIF_CH_FID_POLARITY_BIT (15) 162 #define VPIF_CH_V_VALID_POLARITY_BIT (14) 163 #define VPIF_CH_H_VALID_POLARITY_BIT (13) 164 #define VPIF_CH_DATA_WIDTH_BIT (28) 165 166 #define VPIF_CH_CLK_EDGE_CTRL_BIT (31) 167 168 /* Mask various length */ 169 #define VPIF_CH_EAVSAV_MASK GENERATE_MASK(13, 0) 170 #define VPIF_CH_LEN_MASK GENERATE_MASK(12, 0) 171 #define VPIF_CH_WIDTH_MASK GENERATE_MASK(13, 0) 172 #define VPIF_CH_LEN_SHIFT (16) 173 174 /* VPIF masks for registers */ 175 #define VPIF_REQ_SIZE_MASK (0x1ff) 176 177 /* bit posotion of interrupt vpif_ch_intr register */ 178 #define VPIF_INTEN_FRAME_CH0 (0x00000001) 179 #define VPIF_INTEN_FRAME_CH1 (0x00000002) 180 #define VPIF_INTEN_FRAME_CH2 (0x00000004) 181 #define VPIF_INTEN_FRAME_CH3 (0x00000008) 182 183 /* bit position of clock and channel enable in vpif_chn_ctrl register */ 184 185 #define VPIF_CH0_CLK_EN (0x00000002) 186 #define VPIF_CH0_EN (0x00000001) 187 #define VPIF_CH1_CLK_EN (0x00000002) 188 #define VPIF_CH1_EN (0x00000001) 189 #define VPIF_CH2_CLK_EN (0x00000002) 190 #define VPIF_CH2_EN (0x00000001) 191 #define VPIF_CH3_CLK_EN (0x00000002) 192 #define VPIF_CH3_EN (0x00000001) 193 #define VPIF_CH_CLK_EN (0x00000002) 194 #define VPIF_CH_EN (0x00000001) 195 196 #define VPIF_INT_TOP (0x00) 197 #define VPIF_INT_BOTTOM (0x01) 198 #define VPIF_INT_BOTH (0x02) 199 200 #define VPIF_CH0_INT_CTRL_SHIFT (6) 201 #define VPIF_CH1_INT_CTRL_SHIFT (6) 202 #define VPIF_CH2_INT_CTRL_SHIFT (6) 203 #define VPIF_CH3_INT_CTRL_SHIFT (6) 204 #define VPIF_CH_INT_CTRL_SHIFT (6) 205 206 #define VPIF_CH2_CLIP_ANC_EN 14 207 #define VPIF_CH2_CLIP_ACTIVE_EN 13 208 209 #define VPIF_CH3_CLIP_ANC_EN 14 210 #define VPIF_CH3_CLIP_ACTIVE_EN 13 211 212 /* enabled interrupt on both the fields on vpid_ch0_ctrl register */ 213 #define channel0_intr_assert() (regw((regr(VPIF_CH0_CTRL)|\ 214 (VPIF_INT_BOTH << VPIF_CH0_INT_CTRL_SHIFT)), VPIF_CH0_CTRL)) 215 216 /* enabled interrupt on both the fields on vpid_ch1_ctrl register */ 217 #define channel1_intr_assert() (regw((regr(VPIF_CH1_CTRL)|\ 218 (VPIF_INT_BOTH << VPIF_CH1_INT_CTRL_SHIFT)), VPIF_CH1_CTRL)) 219 220 /* enabled interrupt on both the fields on vpid_ch0_ctrl register */ 221 #define channel2_intr_assert() (regw((regr(VPIF_CH2_CTRL)|\ 222 (VPIF_INT_BOTH << VPIF_CH2_INT_CTRL_SHIFT)), VPIF_CH2_CTRL)) 223 224 /* enabled interrupt on both the fields on vpid_ch1_ctrl register */ 225 #define channel3_intr_assert() (regw((regr(VPIF_CH3_CTRL)|\ 226 (VPIF_INT_BOTH << VPIF_CH3_INT_CTRL_SHIFT)), VPIF_CH3_CTRL)) 227 228 #define VPIF_CH_FID_MASK (0x20) 229 #define VPIF_CH_FID_SHIFT (5) 230 231 #define VPIF_NTSC_VBI_START_FIELD0 (1) 232 #define VPIF_NTSC_VBI_START_FIELD1 (263) 233 #define VPIF_PAL_VBI_START_FIELD0 (624) 234 #define VPIF_PAL_VBI_START_FIELD1 (311) 235 236 #define VPIF_NTSC_HBI_START_FIELD0 (1) 237 #define VPIF_NTSC_HBI_START_FIELD1 (263) 238 #define VPIF_PAL_HBI_START_FIELD0 (624) 239 #define VPIF_PAL_HBI_START_FIELD1 (311) 240 241 #define VPIF_NTSC_VBI_COUNT_FIELD0 (20) 242 #define VPIF_NTSC_VBI_COUNT_FIELD1 (19) 243 #define VPIF_PAL_VBI_COUNT_FIELD0 (24) 244 #define VPIF_PAL_VBI_COUNT_FIELD1 (25) 245 246 #define VPIF_NTSC_HBI_COUNT_FIELD0 (263) 247 #define VPIF_NTSC_HBI_COUNT_FIELD1 (262) 248 #define VPIF_PAL_HBI_COUNT_FIELD0 (312) 249 #define VPIF_PAL_HBI_COUNT_FIELD1 (313) 250 251 #define VPIF_NTSC_VBI_SAMPLES_PER_LINE (720) 252 #define VPIF_PAL_VBI_SAMPLES_PER_LINE (720) 253 #define VPIF_NTSC_HBI_SAMPLES_PER_LINE (268) 254 #define VPIF_PAL_HBI_SAMPLES_PER_LINE (280) 255 256 #define VPIF_CH_VANC_EN (0x20) 257 #define VPIF_DMA_REQ_SIZE (0x080) 258 #define VPIF_EMULATION_DISABLE (0x01) 259 260 extern u8 irq_vpif_capture_channel[VPIF_NUM_CHANNELS]; 261 262 /* inline function to enable/disable channel0 */ 263 static inline void enable_channel0(int enable) 264 { 265 if (enable) 266 regw((regr(VPIF_CH0_CTRL) | (VPIF_CH0_EN)), VPIF_CH0_CTRL); 267 else 268 regw((regr(VPIF_CH0_CTRL) & (~VPIF_CH0_EN)), VPIF_CH0_CTRL); 269 } 270 271 /* inline function to enable/disable channel1 */ 272 static inline void enable_channel1(int enable) 273 { 274 if (enable) 275 regw((regr(VPIF_CH1_CTRL) | (VPIF_CH1_EN)), VPIF_CH1_CTRL); 276 else 277 regw((regr(VPIF_CH1_CTRL) & (~VPIF_CH1_EN)), VPIF_CH1_CTRL); 278 } 279 280 /* inline function to enable interrupt for channel0 */ 281 static inline void channel0_intr_enable(int enable) 282 { 283 unsigned long flags; 284 285 spin_lock_irqsave(&vpif_lock, flags); 286 287 if (enable) { 288 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); 289 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); 290 291 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH0), VPIF_INTEN); 292 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0), 293 VPIF_INTEN_SET); 294 } else { 295 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH0)), VPIF_INTEN); 296 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0), 297 VPIF_INTEN_SET); 298 } 299 spin_unlock_irqrestore(&vpif_lock, flags); 300 } 301 302 /* inline function to enable interrupt for channel1 */ 303 static inline void channel1_intr_enable(int enable) 304 { 305 unsigned long flags; 306 307 spin_lock_irqsave(&vpif_lock, flags); 308 309 if (enable) { 310 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); 311 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); 312 313 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH1), VPIF_INTEN); 314 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1), 315 VPIF_INTEN_SET); 316 } else { 317 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH1)), VPIF_INTEN); 318 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1), 319 VPIF_INTEN_SET); 320 } 321 spin_unlock_irqrestore(&vpif_lock, flags); 322 } 323 324 /* inline function to set buffer addresses in case of Y/C non mux mode */ 325 static inline void ch0_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma, 326 unsigned long btm_strt_luma, 327 unsigned long top_strt_chroma, 328 unsigned long btm_strt_chroma) 329 { 330 regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA); 331 regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA); 332 regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA); 333 regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA); 334 } 335 336 /* inline function to set buffer addresses in VPIF registers for video data */ 337 static inline void ch0_set_videobuf_addr(unsigned long top_strt_luma, 338 unsigned long btm_strt_luma, 339 unsigned long top_strt_chroma, 340 unsigned long btm_strt_chroma) 341 { 342 regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA); 343 regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA); 344 regw(top_strt_chroma, VPIF_CH0_TOP_STRT_ADD_CHROMA); 345 regw(btm_strt_chroma, VPIF_CH0_BTM_STRT_ADD_CHROMA); 346 } 347 348 static inline void ch1_set_videobuf_addr(unsigned long top_strt_luma, 349 unsigned long btm_strt_luma, 350 unsigned long top_strt_chroma, 351 unsigned long btm_strt_chroma) 352 { 353 354 regw(top_strt_luma, VPIF_CH1_TOP_STRT_ADD_LUMA); 355 regw(btm_strt_luma, VPIF_CH1_BTM_STRT_ADD_LUMA); 356 regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA); 357 regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA); 358 } 359 360 static inline void ch0_set_vbi_addr(unsigned long top_vbi, 361 unsigned long btm_vbi, unsigned long a, unsigned long b) 362 { 363 regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_VANC); 364 regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_VANC); 365 } 366 367 static inline void ch0_set_hbi_addr(unsigned long top_vbi, 368 unsigned long btm_vbi, unsigned long a, unsigned long b) 369 { 370 regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_HANC); 371 regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_HANC); 372 } 373 374 static inline void ch1_set_vbi_addr(unsigned long top_vbi, 375 unsigned long btm_vbi, unsigned long a, unsigned long b) 376 { 377 regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_VANC); 378 regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_VANC); 379 } 380 381 static inline void ch1_set_hbi_addr(unsigned long top_vbi, 382 unsigned long btm_vbi, unsigned long a, unsigned long b) 383 { 384 regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_HANC); 385 regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_HANC); 386 } 387 388 /* Inline function to enable raw vbi in the given channel */ 389 static inline void disable_raw_feature(u8 channel_id, u8 index) 390 { 391 u32 ctrl_reg; 392 if (0 == channel_id) 393 ctrl_reg = VPIF_CH0_CTRL; 394 else 395 ctrl_reg = VPIF_CH1_CTRL; 396 397 if (1 == index) 398 vpif_clr_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT); 399 else 400 vpif_clr_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT); 401 } 402 403 static inline void enable_raw_feature(u8 channel_id, u8 index) 404 { 405 u32 ctrl_reg; 406 if (0 == channel_id) 407 ctrl_reg = VPIF_CH0_CTRL; 408 else 409 ctrl_reg = VPIF_CH1_CTRL; 410 411 if (1 == index) 412 vpif_set_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT); 413 else 414 vpif_set_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT); 415 } 416 417 /* inline function to enable/disable channel2 */ 418 static inline void enable_channel2(int enable) 419 { 420 if (enable) { 421 regw((regr(VPIF_CH2_CTRL) | (VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL); 422 regw((regr(VPIF_CH2_CTRL) | (VPIF_CH2_EN)), VPIF_CH2_CTRL); 423 } else { 424 regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL); 425 regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_EN)), VPIF_CH2_CTRL); 426 } 427 } 428 429 /* inline function to enable/disable channel3 */ 430 static inline void enable_channel3(int enable) 431 { 432 if (enable) { 433 regw((regr(VPIF_CH3_CTRL) | (VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL); 434 regw((regr(VPIF_CH3_CTRL) | (VPIF_CH3_EN)), VPIF_CH3_CTRL); 435 } else { 436 regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL); 437 regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_EN)), VPIF_CH3_CTRL); 438 } 439 } 440 441 /* inline function to enable interrupt for channel2 */ 442 static inline void channel2_intr_enable(int enable) 443 { 444 unsigned long flags; 445 446 spin_lock_irqsave(&vpif_lock, flags); 447 448 if (enable) { 449 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); 450 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); 451 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH2), VPIF_INTEN); 452 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2), 453 VPIF_INTEN_SET); 454 } else { 455 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH2)), VPIF_INTEN); 456 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2), 457 VPIF_INTEN_SET); 458 } 459 spin_unlock_irqrestore(&vpif_lock, flags); 460 } 461 462 /* inline function to enable interrupt for channel3 */ 463 static inline void channel3_intr_enable(int enable) 464 { 465 unsigned long flags; 466 467 spin_lock_irqsave(&vpif_lock, flags); 468 469 if (enable) { 470 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); 471 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); 472 473 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH3), VPIF_INTEN); 474 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3), 475 VPIF_INTEN_SET); 476 } else { 477 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH3)), VPIF_INTEN); 478 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3), 479 VPIF_INTEN_SET); 480 } 481 spin_unlock_irqrestore(&vpif_lock, flags); 482 } 483 484 /* inline function to enable raw vbi data for channel2 */ 485 static inline void channel2_raw_enable(int enable, u8 index) 486 { 487 u32 mask; 488 489 if (1 == index) 490 mask = VPIF_CH_VANC_EN_BIT; 491 else 492 mask = VPIF_CH_HANC_EN_BIT; 493 494 if (enable) 495 vpif_set_bit(VPIF_CH2_CTRL, mask); 496 else 497 vpif_clr_bit(VPIF_CH2_CTRL, mask); 498 } 499 500 /* inline function to enable raw vbi data for channel3*/ 501 static inline void channel3_raw_enable(int enable, u8 index) 502 { 503 u32 mask; 504 505 if (1 == index) 506 mask = VPIF_CH_VANC_EN_BIT; 507 else 508 mask = VPIF_CH_HANC_EN_BIT; 509 510 if (enable) 511 vpif_set_bit(VPIF_CH3_CTRL, mask); 512 else 513 vpif_clr_bit(VPIF_CH3_CTRL, mask); 514 } 515 516 /* function to enable clipping (for both active and blanking regions) on ch 2 */ 517 static inline void channel2_clipping_enable(int enable) 518 { 519 if (enable) { 520 vpif_set_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ANC_EN); 521 vpif_set_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ACTIVE_EN); 522 } else { 523 vpif_clr_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ANC_EN); 524 vpif_clr_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ACTIVE_EN); 525 } 526 } 527 528 /* function to enable clipping (for both active and blanking regions) on ch 3 */ 529 static inline void channel3_clipping_enable(int enable) 530 { 531 if (enable) { 532 vpif_set_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ANC_EN); 533 vpif_set_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ACTIVE_EN); 534 } else { 535 vpif_clr_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ANC_EN); 536 vpif_clr_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ACTIVE_EN); 537 } 538 } 539 540 /* inline function to set buffer addresses in case of Y/C non mux mode */ 541 static inline void ch2_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma, 542 unsigned long btm_strt_luma, 543 unsigned long top_strt_chroma, 544 unsigned long btm_strt_chroma) 545 { 546 regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA); 547 regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA); 548 regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA); 549 regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA); 550 } 551 552 /* inline function to set buffer addresses in VPIF registers for video data */ 553 static inline void ch2_set_videobuf_addr(unsigned long top_strt_luma, 554 unsigned long btm_strt_luma, 555 unsigned long top_strt_chroma, 556 unsigned long btm_strt_chroma) 557 { 558 regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA); 559 regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA); 560 regw(top_strt_chroma, VPIF_CH2_TOP_STRT_ADD_CHROMA); 561 regw(btm_strt_chroma, VPIF_CH2_BTM_STRT_ADD_CHROMA); 562 } 563 564 static inline void ch3_set_videobuf_addr(unsigned long top_strt_luma, 565 unsigned long btm_strt_luma, 566 unsigned long top_strt_chroma, 567 unsigned long btm_strt_chroma) 568 { 569 regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_LUMA); 570 regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_LUMA); 571 regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA); 572 regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA); 573 } 574 575 /* inline function to set buffer addresses in VPIF registers for vbi data */ 576 static inline void ch2_set_vbi_addr(unsigned long top_strt_luma, 577 unsigned long btm_strt_luma, 578 unsigned long top_strt_chroma, 579 unsigned long btm_strt_chroma) 580 { 581 regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_VANC); 582 regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_VANC); 583 } 584 585 static inline void ch3_set_vbi_addr(unsigned long top_strt_luma, 586 unsigned long btm_strt_luma, 587 unsigned long top_strt_chroma, 588 unsigned long btm_strt_chroma) 589 { 590 regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_VANC); 591 regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_VANC); 592 } 593 594 static inline int vpif_intr_status(int channel) 595 { 596 int status = 0; 597 int mask; 598 599 if (channel < 0 || channel > 3) 600 return 0; 601 602 mask = 1 << channel; 603 status = regr(VPIF_STATUS) & mask; 604 regw(status, VPIF_STATUS_CLR); 605 606 return status; 607 } 608 609 #define VPIF_MAX_NAME (30) 610 611 /* This structure will store size parameters as per the mode selected by user */ 612 struct vpif_channel_config_params { 613 char name[VPIF_MAX_NAME]; /* Name of the mode */ 614 u16 width; /* Indicates width of the image */ 615 u16 height; /* Indicates height of the image */ 616 u8 frm_fmt; /* Interlaced (0) or progressive (1) */ 617 u8 ycmux_mode; /* This mode requires one (0) or two (1) 618 channels */ 619 u16 eav2sav; /* length of eav 2 sav */ 620 u16 sav2eav; /* length of sav 2 eav */ 621 u16 l1, l3, l5, l7, l9, l11; /* Other parameter configurations */ 622 u16 vsize; /* Vertical size of the image */ 623 u8 capture_format; /* Indicates whether capture format 624 * is in BT or in CCD/CMOS */ 625 u8 vbi_supported; /* Indicates whether this mode 626 * supports capturing vbi or not */ 627 u8 hd_sd; /* HDTV (1) or SDTV (0) format */ 628 v4l2_std_id stdid; /* SDTV format */ 629 struct v4l2_dv_timings dv_timings; /* HDTV format */ 630 }; 631 632 extern const unsigned int vpif_ch_params_count; 633 extern const struct vpif_channel_config_params vpif_ch_params[]; 634 635 struct vpif_video_params; 636 struct vpif_params; 637 struct vpif_vbi_params; 638 639 int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id); 640 void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams, 641 u8 channel_id); 642 int vpif_channel_getfid(u8 channel_id); 643 644 enum data_size { 645 _8BITS = 0, 646 _10BITS, 647 _12BITS, 648 }; 649 650 /* Structure for vpif parameters for raw vbi data */ 651 struct vpif_vbi_params { 652 __u32 hstart0; /* Horizontal start of raw vbi data for first field */ 653 __u32 vstart0; /* Vertical start of raw vbi data for first field */ 654 __u32 hsize0; /* Horizontal size of raw vbi data for first field */ 655 __u32 vsize0; /* Vertical size of raw vbi data for first field */ 656 __u32 hstart1; /* Horizontal start of raw vbi data for second field */ 657 __u32 vstart1; /* Vertical start of raw vbi data for second field */ 658 __u32 hsize1; /* Horizontal size of raw vbi data for second field */ 659 __u32 vsize1; /* Vertical size of raw vbi data for second field */ 660 }; 661 662 /* structure for vpif parameters */ 663 struct vpif_video_params { 664 __u8 storage_mode; /* Indicates field or frame mode */ 665 unsigned long hpitch; 666 v4l2_std_id stdid; 667 }; 668 669 struct vpif_params { 670 struct vpif_interface iface; 671 struct vpif_video_params video_params; 672 struct vpif_channel_config_params std_info; 673 union param { 674 struct vpif_vbi_params vbi_params; 675 enum data_size data_sz; 676 } params; 677 }; 678 679 #endif /* End of #ifndef VPIF_H */ 680