drivers/media/platform/davinci/vpif.h

   1 /*
   2  * VPIF header file
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation version 2.
   9  *
  10  * This program is distributed .as is. WITHOUT ANY WARRANTY of any
  11  * kind, whether express or implied; without even the implied warranty
  12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef VPIF_H
  17 #define VPIF_H
  18
  19 #include <linux/io.h>
  20 #include <linux/videodev2.h>
  21 #include <media/davinci/vpif_types.h>
  22
  23 /* Maximum channel allowed */
  24 #define VPIF_NUM_CHANNELS               (4)
  25 #define VPIF_CAPTURE_NUM_CHANNELS       (2)
  26 #define VPIF_DISPLAY_NUM_CHANNELS       (2)
  27
  28 /* Macros to read/write registers */
  29 extern void __iomem *vpif_base;
  30 extern spinlock_t vpif_lock;
  31
  32 #define regr(reg)               readl((reg) + vpif_base)
  33 #define regw(value, reg)        writel(value, (reg + vpif_base))
  34
  35 /* Register Address Offsets */
  36 #define VPIF_PID                        (0x0000)
  37 #define VPIF_CH0_CTRL                   (0x0004)
  38 #define VPIF_CH1_CTRL                   (0x0008)
  39 #define VPIF_CH2_CTRL                   (0x000C)
  40 #define VPIF_CH3_CTRL                   (0x0010)
  41
  42 #define VPIF_INTEN                      (0x0020)
  43 #define VPIF_INTEN_SET                  (0x0024)
  44 #define VPIF_INTEN_CLR                  (0x0028)
  45 #define VPIF_STATUS                     (0x002C)
  46 #define VPIF_STATUS_CLR                 (0x0030)
  47 #define VPIF_EMULATION_CTRL             (0x0034)
  48 #define VPIF_REQ_SIZE                   (0x0038)
  49
  50 #define VPIF_CH0_TOP_STRT_ADD_LUMA      (0x0040)
  51 #define VPIF_CH0_BTM_STRT_ADD_LUMA      (0x0044)
  52 #define VPIF_CH0_TOP_STRT_ADD_CHROMA    (0x0048)
  53 #define VPIF_CH0_BTM_STRT_ADD_CHROMA    (0x004c)
  54 #define VPIF_CH0_TOP_STRT_ADD_HANC      (0x0050)
  55 #define VPIF_CH0_BTM_STRT_ADD_HANC      (0x0054)
  56 #define VPIF_CH0_TOP_STRT_ADD_VANC      (0x0058)
  57 #define VPIF_CH0_BTM_STRT_ADD_VANC      (0x005c)
  58 #define VPIF_CH0_SP_CFG                 (0x0060)
  59 #define VPIF_CH0_IMG_ADD_OFST           (0x0064)
  60 #define VPIF_CH0_HANC_ADD_OFST          (0x0068)
  61 #define VPIF_CH0_H_CFG                  (0x006c)
  62 #define VPIF_CH0_V_CFG_00               (0x0070)
  63 #define VPIF_CH0_V_CFG_01               (0x0074)
  64 #define VPIF_CH0_V_CFG_02               (0x0078)
  65 #define VPIF_CH0_V_CFG_03               (0x007c)
  66
  67 #define VPIF_CH1_TOP_STRT_ADD_LUMA      (0x0080)
  68 #define VPIF_CH1_BTM_STRT_ADD_LUMA      (0x0084)
  69 #define VPIF_CH1_TOP_STRT_ADD_CHROMA    (0x0088)
  70 #define VPIF_CH1_BTM_STRT_ADD_CHROMA    (0x008c)
  71 #define VPIF_CH1_TOP_STRT_ADD_HANC      (0x0090)
  72 #define VPIF_CH1_BTM_STRT_ADD_HANC      (0x0094)
  73 #define VPIF_CH1_TOP_STRT_ADD_VANC      (0x0098)
  74 #define VPIF_CH1_BTM_STRT_ADD_VANC      (0x009c)
  75 #define VPIF_CH1_SP_CFG                 (0x00a0)
  76 #define VPIF_CH1_IMG_ADD_OFST           (0x00a4)
  77 #define VPIF_CH1_HANC_ADD_OFST          (0x00a8)
  78 #define VPIF_CH1_H_CFG                  (0x00ac)
  79 #define VPIF_CH1_V_CFG_00               (0x00b0)
  80 #define VPIF_CH1_V_CFG_01               (0x00b4)
  81 #define VPIF_CH1_V_CFG_02               (0x00b8)
  82 #define VPIF_CH1_V_CFG_03               (0x00bc)
  83
  84 #define VPIF_CH2_TOP_STRT_ADD_LUMA      (0x00c0)
  85 #define VPIF_CH2_BTM_STRT_ADD_LUMA      (0x00c4)
  86 #define VPIF_CH2_TOP_STRT_ADD_CHROMA    (0x00c8)
  87 #define VPIF_CH2_BTM_STRT_ADD_CHROMA    (0x00cc)
  88 #define VPIF_CH2_TOP_STRT_ADD_HANC      (0x00d0)
  89 #define VPIF_CH2_BTM_STRT_ADD_HANC      (0x00d4)
  90 #define VPIF_CH2_TOP_STRT_ADD_VANC      (0x00d8)
  91 #define VPIF_CH2_BTM_STRT_ADD_VANC      (0x00dc)
  92 #define VPIF_CH2_SP_CFG                 (0x00e0)
  93 #define VPIF_CH2_IMG_ADD_OFST           (0x00e4)
  94 #define VPIF_CH2_HANC_ADD_OFST          (0x00e8)
  95 #define VPIF_CH2_H_CFG                  (0x00ec)
  96 #define VPIF_CH2_V_CFG_00               (0x00f0)
  97 #define VPIF_CH2_V_CFG_01               (0x00f4)
  98 #define VPIF_CH2_V_CFG_02               (0x00f8)
  99 #define VPIF_CH2_V_CFG_03               (0x00fc)
 100 #define VPIF_CH2_HANC0_STRT             (0x0100)
 101 #define VPIF_CH2_HANC0_SIZE             (0x0104)
 102 #define VPIF_CH2_HANC1_STRT             (0x0108)
 103 #define VPIF_CH2_HANC1_SIZE             (0x010c)
 104 #define VPIF_CH2_VANC0_STRT             (0x0110)
 105 #define VPIF_CH2_VANC0_SIZE             (0x0114)
 106 #define VPIF_CH2_VANC1_STRT             (0x0118)
 107 #define VPIF_CH2_VANC1_SIZE             (0x011c)
 108
 109 #define VPIF_CH3_TOP_STRT_ADD_LUMA      (0x0140)
 110 #define VPIF_CH3_BTM_STRT_ADD_LUMA      (0x0144)
 111 #define VPIF_CH3_TOP_STRT_ADD_CHROMA    (0x0148)
 112 #define VPIF_CH3_BTM_STRT_ADD_CHROMA    (0x014c)
 113 #define VPIF_CH3_TOP_STRT_ADD_HANC      (0x0150)
 114 #define VPIF_CH3_BTM_STRT_ADD_HANC      (0x0154)
 115 #define VPIF_CH3_TOP_STRT_ADD_VANC      (0x0158)
 116 #define VPIF_CH3_BTM_STRT_ADD_VANC      (0x015c)
 117 #define VPIF_CH3_SP_CFG                 (0x0160)
 118 #define VPIF_CH3_IMG_ADD_OFST           (0x0164)
 119 #define VPIF_CH3_HANC_ADD_OFST          (0x0168)
 120 #define VPIF_CH3_H_CFG                  (0x016c)
 121 #define VPIF_CH3_V_CFG_00               (0x0170)
 122 #define VPIF_CH3_V_CFG_01               (0x0174)
 123 #define VPIF_CH3_V_CFG_02               (0x0178)
 124 #define VPIF_CH3_V_CFG_03               (0x017c)
 125 #define VPIF_CH3_HANC0_STRT             (0x0180)
 126 #define VPIF_CH3_HANC0_SIZE             (0x0184)
 127 #define VPIF_CH3_HANC1_STRT             (0x0188)
 128 #define VPIF_CH3_HANC1_SIZE             (0x018c)
 129 #define VPIF_CH3_VANC0_STRT             (0x0190)
 130 #define VPIF_CH3_VANC0_SIZE             (0x0194)
 131 #define VPIF_CH3_VANC1_STRT             (0x0198)
 132 #define VPIF_CH3_VANC1_SIZE             (0x019c)
 133
 134 #define VPIF_IODFT_CTRL                 (0x01c0)
 135
 136 /* Functions for bit Manipulation */
 137 static inline void vpif_set_bit(u32 reg, u32 bit)
 138 {
 139         regw((regr(reg)) | (0x01 << bit), reg);
 140 }
 141
 142 static inline void vpif_clr_bit(u32 reg, u32 bit)
 143 {
 144         regw(((regr(reg)) & ~(0x01 << bit)), reg);
 145 }
 146
 147 /* Macro for Generating mask */
 148 #ifdef GENERATE_MASK
 149 #undef GENERATE_MASK
 150 #endif
 151
 152 #define GENERATE_MASK(bits, pos) \
 153                 ((((0xFFFFFFFF) << (32 - bits)) >> (32 - bits)) << pos)
 154
 155 /* Bit positions in the channel control registers */
 156 #define VPIF_CH_DATA_MODE_BIT   (2)
 157 #define VPIF_CH_YC_MUX_BIT      (3)
 158 #define VPIF_CH_SDR_FMT_BIT     (4)
 159 #define VPIF_CH_HANC_EN_BIT     (8)
 160 #define VPIF_CH_VANC_EN_BIT     (9)
 161
 162 #define VPIF_CAPTURE_CH_NIP     (10)
 163 #define VPIF_DISPLAY_CH_NIP     (11)
 164
 165 #define VPIF_DISPLAY_PIX_EN_BIT (10)
 166
 167 #define VPIF_CH_INPUT_FIELD_FRAME_BIT   (12)
 168
 169 #define VPIF_CH_FID_POLARITY_BIT        (15)
 170 #define VPIF_CH_V_VALID_POLARITY_BIT    (14)
 171 #define VPIF_CH_H_VALID_POLARITY_BIT    (13)
 172 #define VPIF_CH_DATA_WIDTH_BIT          (28)
 173
 174 #define VPIF_CH_CLK_EDGE_CTRL_BIT       (31)
 175
 176 /* Mask various length */
 177 #define VPIF_CH_EAVSAV_MASK     GENERATE_MASK(13, 0)
 178 #define VPIF_CH_LEN_MASK        GENERATE_MASK(12, 0)
 179 #define VPIF_CH_WIDTH_MASK      GENERATE_MASK(13, 0)
 180 #define VPIF_CH_LEN_SHIFT       (16)
 181
 182 /* VPIF masks for registers */
 183 #define VPIF_REQ_SIZE_MASK      (0x1ff)
 184
 185 /* bit posotion of interrupt vpif_ch_intr register */
 186 #define VPIF_INTEN_FRAME_CH0    (0x00000001)
 187 #define VPIF_INTEN_FRAME_CH1    (0x00000002)
 188 #define VPIF_INTEN_FRAME_CH2    (0x00000004)
 189 #define VPIF_INTEN_FRAME_CH3    (0x00000008)
 190
 191 /* bit position of clock and channel enable in vpif_chn_ctrl register */
 192
 193 #define VPIF_CH0_CLK_EN         (0x00000002)
 194 #define VPIF_CH0_EN             (0x00000001)
 195 #define VPIF_CH1_CLK_EN         (0x00000002)
 196 #define VPIF_CH1_EN             (0x00000001)
 197 #define VPIF_CH2_CLK_EN         (0x00000002)
 198 #define VPIF_CH2_EN             (0x00000001)
 199 #define VPIF_CH3_CLK_EN         (0x00000002)
 200 #define VPIF_CH3_EN             (0x00000001)
 201 #define VPIF_CH_CLK_EN          (0x00000002)
 202 #define VPIF_CH_EN              (0x00000001)
 203
 204 #define VPIF_INT_TOP    (0x00)
 205 #define VPIF_INT_BOTTOM (0x01)
 206 #define VPIF_INT_BOTH   (0x02)
 207
 208 #define VPIF_CH0_INT_CTRL_SHIFT (6)
 209 #define VPIF_CH1_INT_CTRL_SHIFT (6)
 210 #define VPIF_CH2_INT_CTRL_SHIFT (6)
 211 #define VPIF_CH3_INT_CTRL_SHIFT (6)
 212 #define VPIF_CH_INT_CTRL_SHIFT  (6)
 213
 214 #define VPIF_CH2_CLIP_ANC_EN    14
 215 #define VPIF_CH2_CLIP_ACTIVE_EN 13
 216
 217 #define VPIF_CH3_CLIP_ANC_EN    14
 218 #define VPIF_CH3_CLIP_ACTIVE_EN 13
 219
 220 /* enabled interrupt on both the fields on vpid_ch0_ctrl register */
 221 #define channel0_intr_assert()  (regw((regr(VPIF_CH0_CTRL)|\
 222         (VPIF_INT_BOTH << VPIF_CH0_INT_CTRL_SHIFT)), VPIF_CH0_CTRL))
 223
 224 /* enabled interrupt on both the fields on vpid_ch1_ctrl register */
 225 #define channel1_intr_assert()  (regw((regr(VPIF_CH1_CTRL)|\
 226         (VPIF_INT_BOTH << VPIF_CH1_INT_CTRL_SHIFT)), VPIF_CH1_CTRL))
 227
 228 /* enabled interrupt on both the fields on vpid_ch0_ctrl register */
 229 #define channel2_intr_assert()  (regw((regr(VPIF_CH2_CTRL)|\
 230         (VPIF_INT_BOTH << VPIF_CH2_INT_CTRL_SHIFT)), VPIF_CH2_CTRL))
 231
 232 /* enabled interrupt on both the fields on vpid_ch1_ctrl register */
 233 #define channel3_intr_assert()  (regw((regr(VPIF_CH3_CTRL)|\
 234         (VPIF_INT_BOTH << VPIF_CH3_INT_CTRL_SHIFT)), VPIF_CH3_CTRL))
 235
 236 #define VPIF_CH_FID_MASK        (0x20)
 237 #define VPIF_CH_FID_SHIFT       (5)
 238
 239 #define VPIF_NTSC_VBI_START_FIELD0      (1)
 240 #define VPIF_NTSC_VBI_START_FIELD1      (263)
 241 #define VPIF_PAL_VBI_START_FIELD0       (624)
 242 #define VPIF_PAL_VBI_START_FIELD1       (311)
 243
 244 #define VPIF_NTSC_HBI_START_FIELD0      (1)
 245 #define VPIF_NTSC_HBI_START_FIELD1      (263)
 246 #define VPIF_PAL_HBI_START_FIELD0       (624)
 247 #define VPIF_PAL_HBI_START_FIELD1       (311)
 248
 249 #define VPIF_NTSC_VBI_COUNT_FIELD0      (20)
 250 #define VPIF_NTSC_VBI_COUNT_FIELD1      (19)
 251 #define VPIF_PAL_VBI_COUNT_FIELD0       (24)
 252 #define VPIF_PAL_VBI_COUNT_FIELD1       (25)
 253
 254 #define VPIF_NTSC_HBI_COUNT_FIELD0      (263)
 255 #define VPIF_NTSC_HBI_COUNT_FIELD1      (262)
 256 #define VPIF_PAL_HBI_COUNT_FIELD0       (312)
 257 #define VPIF_PAL_HBI_COUNT_FIELD1       (313)
 258
 259 #define VPIF_NTSC_VBI_SAMPLES_PER_LINE  (720)
 260 #define VPIF_PAL_VBI_SAMPLES_PER_LINE   (720)
 261 #define VPIF_NTSC_HBI_SAMPLES_PER_LINE  (268)
 262 #define VPIF_PAL_HBI_SAMPLES_PER_LINE   (280)
 263
 264 #define VPIF_CH_VANC_EN                 (0x20)
 265 #define VPIF_DMA_REQ_SIZE               (0x080)
 266 #define VPIF_EMULATION_DISABLE          (0x01)
 267
 268 extern u8 irq_vpif_capture_channel[VPIF_NUM_CHANNELS];
 269
 270 /* inline function to enable/disable channel0 */
 271 static inline void enable_channel0(int enable)
 272 {
 273         if (enable)
 274                 regw((regr(VPIF_CH0_CTRL) | (VPIF_CH0_EN)), VPIF_CH0_CTRL);
 275         else
 276                 regw((regr(VPIF_CH0_CTRL) & (~VPIF_CH0_EN)), VPIF_CH0_CTRL);
 277 }
 278
 279 /* inline function to enable/disable channel1 */
 280 static inline void enable_channel1(int enable)
 281 {
 282         if (enable)
 283                 regw((regr(VPIF_CH1_CTRL) | (VPIF_CH1_EN)), VPIF_CH1_CTRL);
 284         else
 285                 regw((regr(VPIF_CH1_CTRL) & (~VPIF_CH1_EN)), VPIF_CH1_CTRL);
 286 }
 287
 288 /* inline function to enable interrupt for channel0 */
 289 static inline void channel0_intr_enable(int enable)
 290 {
 291         unsigned long flags;
 292
 293         spin_lock_irqsave(&vpif_lock, flags);
 294
 295         if (enable) {
 296                 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
 297                 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
 298
 299                 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH0), VPIF_INTEN);
 300                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0),
 301                                                         VPIF_INTEN_SET);
 302         } else {
 303                 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH0)), VPIF_INTEN);
 304                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0),
 305                                                         VPIF_INTEN_SET);
 306         }
 307         spin_unlock_irqrestore(&vpif_lock, flags);
 308 }
 309
 310 /* inline function to enable interrupt for channel1 */
 311 static inline void channel1_intr_enable(int enable)
 312 {
 313         unsigned long flags;
 314
 315         spin_lock_irqsave(&vpif_lock, flags);
 316
 317         if (enable) {
 318                 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
 319                 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
 320
 321                 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH1), VPIF_INTEN);
 322                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1),
 323                                                         VPIF_INTEN_SET);
 324         } else {
 325                 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH1)), VPIF_INTEN);
 326                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1),
 327                                                         VPIF_INTEN_SET);
 328         }
 329         spin_unlock_irqrestore(&vpif_lock, flags);
 330 }
 331
 332 /* inline function to set buffer addresses in case of Y/C non mux mode */
 333 static inline void ch0_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma,
 334                                                  unsigned long btm_strt_luma,
 335                                                  unsigned long top_strt_chroma,
 336                                                  unsigned long btm_strt_chroma)
 337 {
 338         regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA);
 339         regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA);
 340         regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA);
 341         regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA);
 342 }
 343
 344 /* inline function to set buffer addresses in VPIF registers for video data */
 345 static inline void ch0_set_videobuf_addr(unsigned long top_strt_luma,
 346                                          unsigned long btm_strt_luma,
 347                                          unsigned long top_strt_chroma,
 348                                          unsigned long btm_strt_chroma)
 349 {
 350         regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA);
 351         regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA);
 352         regw(top_strt_chroma, VPIF_CH0_TOP_STRT_ADD_CHROMA);
 353         regw(btm_strt_chroma, VPIF_CH0_BTM_STRT_ADD_CHROMA);
 354 }
 355
 356 static inline void ch1_set_videobuf_addr(unsigned long top_strt_luma,
 357                                          unsigned long btm_strt_luma,
 358                                          unsigned long top_strt_chroma,
 359                                          unsigned long btm_strt_chroma)
 360 {
 361
 362         regw(top_strt_luma, VPIF_CH1_TOP_STRT_ADD_LUMA);
 363         regw(btm_strt_luma, VPIF_CH1_BTM_STRT_ADD_LUMA);
 364         regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA);
 365         regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA);
 366 }
 367
 368 static inline void ch0_set_vbi_addr(unsigned long top_vbi,
 369         unsigned long btm_vbi, unsigned long a, unsigned long b)
 370 {
 371         regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_VANC);
 372         regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_VANC);
 373 }
 374
 375 static inline void ch0_set_hbi_addr(unsigned long top_vbi,
 376         unsigned long btm_vbi, unsigned long a, unsigned long b)
 377 {
 378         regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_HANC);
 379         regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_HANC);
 380 }
 381
 382 static inline void ch1_set_vbi_addr(unsigned long top_vbi,
 383         unsigned long btm_vbi, unsigned long a, unsigned long b)
 384 {
 385         regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_VANC);
 386         regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_VANC);
 387 }
 388
 389 static inline void ch1_set_hbi_addr(unsigned long top_vbi,
 390         unsigned long btm_vbi, unsigned long a, unsigned long b)
 391 {
 392         regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_HANC);
 393         regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_HANC);
 394 }
 395
 396 /* Inline function to enable raw vbi in the given channel */
 397 static inline void disable_raw_feature(u8 channel_id, u8 index)
 398 {
 399         u32 ctrl_reg;
 400         if (0 == channel_id)
 401                 ctrl_reg = VPIF_CH0_CTRL;
 402         else
 403                 ctrl_reg = VPIF_CH1_CTRL;
 404
 405         if (1 == index)
 406                 vpif_clr_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT);
 407         else
 408                 vpif_clr_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT);
 409 }
 410
 411 static inline void enable_raw_feature(u8 channel_id, u8 index)
 412 {
 413         u32 ctrl_reg;
 414         if (0 == channel_id)
 415                 ctrl_reg = VPIF_CH0_CTRL;
 416         else
 417                 ctrl_reg = VPIF_CH1_CTRL;
 418
 419         if (1 == index)
 420                 vpif_set_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT);
 421         else
 422                 vpif_set_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT);
 423 }
 424
 425 /* inline function to enable/disable channel2 */
 426 static inline void enable_channel2(int enable)
 427 {
 428         if (enable) {
 429                 regw((regr(VPIF_CH2_CTRL) | (VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL);
 430                 regw((regr(VPIF_CH2_CTRL) | (VPIF_CH2_EN)), VPIF_CH2_CTRL);
 431         } else {
 432                 regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL);
 433                 regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_EN)), VPIF_CH2_CTRL);
 434         }
 435 }
 436
 437 /* inline function to enable/disable channel3 */
 438 static inline void enable_channel3(int enable)
 439 {
 440         if (enable) {
 441                 regw((regr(VPIF_CH3_CTRL) | (VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL);
 442                 regw((regr(VPIF_CH3_CTRL) | (VPIF_CH3_EN)), VPIF_CH3_CTRL);
 443         } else {
 444                 regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL);
 445                 regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_EN)), VPIF_CH3_CTRL);
 446         }
 447 }
 448
 449 /* inline function to enable interrupt for channel2 */
 450 static inline void channel2_intr_enable(int enable)
 451 {
 452         unsigned long flags;
 453
 454         spin_lock_irqsave(&vpif_lock, flags);
 455
 456         if (enable) {
 457                 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
 458                 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
 459                 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH2), VPIF_INTEN);
 460                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2),
 461                                                         VPIF_INTEN_SET);
 462         } else {
 463                 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH2)), VPIF_INTEN);
 464                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2),
 465                                                         VPIF_INTEN_SET);
 466         }
 467         spin_unlock_irqrestore(&vpif_lock, flags);
 468 }
 469
 470 /* inline function to enable interrupt for channel3 */
 471 static inline void channel3_intr_enable(int enable)
 472 {
 473         unsigned long flags;
 474
 475         spin_lock_irqsave(&vpif_lock, flags);
 476
 477         if (enable) {
 478                 regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
 479                 regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
 480
 481                 regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH3), VPIF_INTEN);
 482                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3),
 483                                                         VPIF_INTEN_SET);
 484         } else {
 485                 regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH3)), VPIF_INTEN);
 486                 regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3),
 487                                                         VPIF_INTEN_SET);
 488         }
 489         spin_unlock_irqrestore(&vpif_lock, flags);
 490 }
 491
 492 /* inline function to enable raw vbi data for channel2 */
 493 static inline void channel2_raw_enable(int enable, u8 index)
 494 {
 495         u32 mask;
 496
 497         if (1 == index)
 498                 mask = VPIF_CH_VANC_EN_BIT;
 499         else
 500                 mask = VPIF_CH_HANC_EN_BIT;
 501
 502         if (enable)
 503                 vpif_set_bit(VPIF_CH2_CTRL, mask);
 504         else
 505                 vpif_clr_bit(VPIF_CH2_CTRL, mask);
 506 }
 507
 508 /* inline function to enable raw vbi data for channel3*/
 509 static inline void channel3_raw_enable(int enable, u8 index)
 510 {
 511         u32 mask;
 512
 513         if (1 == index)
 514                 mask = VPIF_CH_VANC_EN_BIT;
 515         else
 516                 mask = VPIF_CH_HANC_EN_BIT;
 517
 518         if (enable)
 519                 vpif_set_bit(VPIF_CH3_CTRL, mask);
 520         else
 521                 vpif_clr_bit(VPIF_CH3_CTRL, mask);
 522 }
 523
 524 /* function to enable clipping (for both active and blanking regions) on ch 2 */
 525 static inline void channel2_clipping_enable(int enable)
 526 {
 527         if (enable) {
 528                 vpif_set_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ANC_EN);
 529                 vpif_set_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ACTIVE_EN);
 530         } else {
 531                 vpif_clr_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ANC_EN);
 532                 vpif_clr_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ACTIVE_EN);
 533         }
 534 }
 535
 536 /* function to enable clipping (for both active and blanking regions) on ch 3 */
 537 static inline void channel3_clipping_enable(int enable)
 538 {
 539         if (enable) {
 540                 vpif_set_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ANC_EN);
 541                 vpif_set_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ACTIVE_EN);
 542         } else {
 543                 vpif_clr_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ANC_EN);
 544                 vpif_clr_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ACTIVE_EN);
 545         }
 546 }
 547
 548 /* inline function to set buffer addresses in case of Y/C non mux mode */
 549 static inline void ch2_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma,
 550                                                  unsigned long btm_strt_luma,
 551                                                  unsigned long top_strt_chroma,
 552                                                  unsigned long btm_strt_chroma)
 553 {
 554         regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA);
 555         regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA);
 556         regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA);
 557         regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA);
 558 }
 559
 560 /* inline function to set buffer addresses in VPIF registers for video data */
 561 static inline void ch2_set_videobuf_addr(unsigned long top_strt_luma,
 562                                          unsigned long btm_strt_luma,
 563                                          unsigned long top_strt_chroma,
 564                                          unsigned long btm_strt_chroma)
 565 {
 566         regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA);
 567         regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA);
 568         regw(top_strt_chroma, VPIF_CH2_TOP_STRT_ADD_CHROMA);
 569         regw(btm_strt_chroma, VPIF_CH2_BTM_STRT_ADD_CHROMA);
 570 }
 571
 572 static inline void ch3_set_videobuf_addr(unsigned long top_strt_luma,
 573                                          unsigned long btm_strt_luma,
 574                                          unsigned long top_strt_chroma,
 575                                          unsigned long btm_strt_chroma)
 576 {
 577         regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_LUMA);
 578         regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_LUMA);
 579         regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA);
 580         regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA);
 581 }
 582
 583 /* inline function to set buffer addresses in VPIF registers for vbi data */
 584 static inline void ch2_set_vbi_addr(unsigned long top_strt_luma,
 585                                          unsigned long btm_strt_luma,
 586                                          unsigned long top_strt_chroma,
 587                                          unsigned long btm_strt_chroma)
 588 {
 589         regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_VANC);
 590         regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_VANC);
 591 }
 592
 593 static inline void ch3_set_vbi_addr(unsigned long top_strt_luma,
 594                                          unsigned long btm_strt_luma,
 595                                          unsigned long top_strt_chroma,
 596                                          unsigned long btm_strt_chroma)
 597 {
 598         regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_VANC);
 599         regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_VANC);
 600 }
 601
 602 static inline int vpif_intr_status(int channel)
 603 {
 604         int status = 0;
 605         int mask;
 606
 607         if (channel < 0 || channel > 3)
 608                 return 0;
 609
 610         mask = 1 << channel;
 611         status = regr(VPIF_STATUS) & mask;
 612         regw(status, VPIF_STATUS_CLR);
 613
 614         return status;
 615 }
 616
 617 #define VPIF_MAX_NAME   (30)
 618
 619 /* This structure will store size parameters as per the mode selected by user */
 620 struct vpif_channel_config_params {
 621         char name[VPIF_MAX_NAME];       /* Name of the mode */
 622         u16 width;                      /* Indicates width of the image */
 623         u16 height;                     /* Indicates height of the image */
 624         u8 frm_fmt;                     /* Interlaced (0) or progressive (1) */
 625         u8 ycmux_mode;                  /* This mode requires one (0) or two (1)
 626                                            channels */
 627         u16 eav2sav;                    /* length of eav 2 sav */
 628         u16 sav2eav;                    /* length of sav 2 eav */
 629         u16 l1, l3, l5, l7, l9, l11;    /* Other parameter configurations */
 630         u16 vsize;                      /* Vertical size of the image */
 631         u8 capture_format;              /* Indicates whether capture format
 632                                          * is in BT or in CCD/CMOS */
 633         u8  vbi_supported;              /* Indicates whether this mode
 634                                          * supports capturing vbi or not */
 635         u8 hd_sd;                       /* HDTV (1) or SDTV (0) format */
 636         v4l2_std_id stdid;              /* SDTV format */
 637         struct v4l2_dv_timings dv_timings;      /* HDTV format */
 638 };
 639
 640 extern const unsigned int vpif_ch_params_count;
 641 extern const struct vpif_channel_config_params vpif_ch_params[];
 642
 643 struct vpif_video_params;
 644 struct vpif_params;
 645 struct vpif_vbi_params;
 646
 647 int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id);
 648 void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams,
 649                                                         u8 channel_id);
 650 int vpif_channel_getfid(u8 channel_id);
 651
 652 enum data_size {
 653         _8BITS = 0,
 654         _10BITS,
 655         _12BITS,
 656 };
 657
 658 /* Structure for vpif parameters for raw vbi data */
 659 struct vpif_vbi_params {
 660         __u32 hstart0;  /* Horizontal start of raw vbi data for first field */
 661         __u32 vstart0;  /* Vertical start of raw vbi data for first field */
 662         __u32 hsize0;   /* Horizontal size of raw vbi data for first field */
 663         __u32 vsize0;   /* Vertical size of raw vbi data for first field */
 664         __u32 hstart1;  /* Horizontal start of raw vbi data for second field */
 665         __u32 vstart1;  /* Vertical start of raw vbi data for second field */
 666         __u32 hsize1;   /* Horizontal size of raw vbi data for second field */
 667         __u32 vsize1;   /* Vertical size of raw vbi data for second field */
 668 };
 669
 670 /* structure for vpif parameters */
 671 struct vpif_video_params {
 672         __u8 storage_mode;      /* Indicates field or frame mode */
 673         unsigned long hpitch;
 674         v4l2_std_id stdid;
 675 };
 676
 677 struct vpif_params {
 678         struct vpif_interface iface;
 679         struct vpif_video_params video_params;
 680         struct vpif_channel_config_params std_info;
 681         union param {
 682                 struct vpif_vbi_params  vbi_params;
 683                 enum data_size data_sz;
 684         } params;
 685 };
 686
 687 #endif                          /* End of #ifndef VPIF_H */
 688