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1/*
2 * VPIF header file
3 *
4 * Copyright (C) 2009 Texas Instruments Incorporated - http://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 */
29extern void __iomem *vpif_base;
30extern 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 */
137static inline void vpif_set_bit(u32 reg, u32 bit)
138{
139 regw((regr(reg)) | (0x01 << bit), reg);
140}
141
142static 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
268extern u8 irq_vpif_capture_channel[VPIF_NUM_CHANNELS];
269
270/* inline function to enable/disable channel0 */
271static 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 */
280static 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 */
289static 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 */
311static 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 */
333static 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 */
345static 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
356static 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
368static 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
375static 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
382static 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
389static 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 */
397static 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
411static 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 */
426static 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 */
438static 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 */
450static 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 */
471static 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 */
493static 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*/
509static 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 */
525static 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 */
537static 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 */
549static 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 */
561static 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
572static 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 */
584static 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
593static 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
602static 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 */
620struct 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
640extern const unsigned int vpif_ch_params_count;
641extern const struct vpif_channel_config_params vpif_ch_params[];
642
643struct vpif_video_params;
644struct vpif_params;
645struct vpif_vbi_params;
646
647int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id);
648void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams,
649 u8 channel_id);
650int vpif_channel_getfid(u8 channel_id);
651
652enum data_size {
653 _8BITS = 0,
654 _10BITS,
655 _12BITS,
656};
657
658/* Structure for vpif parameters for raw vbi data */
659struct 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 */
671struct vpif_video_params {
672 __u8 storage_mode; /* Indicates field or frame mode */
673 unsigned long hpitch;
674 v4l2_std_id stdid;
675};
676
677struct 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