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 <mach/hardware.h>
22 #include <mach/dm646x.h>
23 
24 /* Maximum channel allowed */
25 #define VPIF_NUM_CHANNELS		(4)
26 #define VPIF_CAPTURE_NUM_CHANNELS	(2)
27 #define VPIF_DISPLAY_NUM_CHANNELS	(2)
28 
29 /* Macros to read/write registers */
30 extern void __iomem *vpif_base;
31 extern spinlock_t vpif_lock;
32 
33 #define regr(reg)               readl((reg) + vpif_base)
34 #define regw(value, reg)        writel(value, (reg + vpif_base))
35 
36 /* Register Address Offsets */
37 #define VPIF_PID			(0x0000)
38 #define VPIF_CH0_CTRL			(0x0004)
39 #define VPIF_CH1_CTRL			(0x0008)
40 #define VPIF_CH2_CTRL			(0x000C)
41 #define VPIF_CH3_CTRL			(0x0010)
42 
43 #define VPIF_INTEN			(0x0020)
44 #define VPIF_INTEN_SET			(0x0024)
45 #define VPIF_INTEN_CLR			(0x0028)
46 #define VPIF_STATUS			(0x002C)
47 #define VPIF_STATUS_CLR			(0x0030)
48 #define VPIF_EMULATION_CTRL		(0x0034)
49 #define VPIF_REQ_SIZE			(0x0038)
50 
51 #define VPIF_CH0_TOP_STRT_ADD_LUMA	(0x0040)
52 #define VPIF_CH0_BTM_STRT_ADD_LUMA	(0x0044)
53 #define VPIF_CH0_TOP_STRT_ADD_CHROMA	(0x0048)
54 #define VPIF_CH0_BTM_STRT_ADD_CHROMA	(0x004c)
55 #define VPIF_CH0_TOP_STRT_ADD_HANC	(0x0050)
56 #define VPIF_CH0_BTM_STRT_ADD_HANC	(0x0054)
57 #define VPIF_CH0_TOP_STRT_ADD_VANC	(0x0058)
58 #define VPIF_CH0_BTM_STRT_ADD_VANC	(0x005c)
59 #define VPIF_CH0_SP_CFG			(0x0060)
60 #define VPIF_CH0_IMG_ADD_OFST		(0x0064)
61 #define VPIF_CH0_HANC_ADD_OFST		(0x0068)
62 #define VPIF_CH0_H_CFG			(0x006c)
63 #define VPIF_CH0_V_CFG_00		(0x0070)
64 #define VPIF_CH0_V_CFG_01		(0x0074)
65 #define VPIF_CH0_V_CFG_02		(0x0078)
66 #define VPIF_CH0_V_CFG_03		(0x007c)
67 
68 #define VPIF_CH1_TOP_STRT_ADD_LUMA	(0x0080)
69 #define VPIF_CH1_BTM_STRT_ADD_LUMA	(0x0084)
70 #define VPIF_CH1_TOP_STRT_ADD_CHROMA	(0x0088)
71 #define VPIF_CH1_BTM_STRT_ADD_CHROMA	(0x008c)
72 #define VPIF_CH1_TOP_STRT_ADD_HANC	(0x0090)
73 #define VPIF_CH1_BTM_STRT_ADD_HANC	(0x0094)
74 #define VPIF_CH1_TOP_STRT_ADD_VANC	(0x0098)
75 #define VPIF_CH1_BTM_STRT_ADD_VANC	(0x009c)
76 #define VPIF_CH1_SP_CFG			(0x00a0)
77 #define VPIF_CH1_IMG_ADD_OFST		(0x00a4)
78 #define VPIF_CH1_HANC_ADD_OFST		(0x00a8)
79 #define VPIF_CH1_H_CFG			(0x00ac)
80 #define VPIF_CH1_V_CFG_00		(0x00b0)
81 #define VPIF_CH1_V_CFG_01		(0x00b4)
82 #define VPIF_CH1_V_CFG_02		(0x00b8)
83 #define VPIF_CH1_V_CFG_03		(0x00bc)
84 
85 #define VPIF_CH2_TOP_STRT_ADD_LUMA	(0x00c0)
86 #define VPIF_CH2_BTM_STRT_ADD_LUMA	(0x00c4)
87 #define VPIF_CH2_TOP_STRT_ADD_CHROMA	(0x00c8)
88 #define VPIF_CH2_BTM_STRT_ADD_CHROMA	(0x00cc)
89 #define VPIF_CH2_TOP_STRT_ADD_HANC	(0x00d0)
90 #define VPIF_CH2_BTM_STRT_ADD_HANC	(0x00d4)
91 #define VPIF_CH2_TOP_STRT_ADD_VANC	(0x00d8)
92 #define VPIF_CH2_BTM_STRT_ADD_VANC	(0x00dc)
93 #define VPIF_CH2_SP_CFG			(0x00e0)
94 #define VPIF_CH2_IMG_ADD_OFST		(0x00e4)
95 #define VPIF_CH2_HANC_ADD_OFST		(0x00e8)
96 #define VPIF_CH2_H_CFG			(0x00ec)
97 #define VPIF_CH2_V_CFG_00		(0x00f0)
98 #define VPIF_CH2_V_CFG_01		(0x00f4)
99 #define VPIF_CH2_V_CFG_02		(0x00f8)
100 #define VPIF_CH2_V_CFG_03		(0x00fc)
101 #define VPIF_CH2_HANC0_STRT		(0x0100)
102 #define VPIF_CH2_HANC0_SIZE		(0x0104)
103 #define VPIF_CH2_HANC1_STRT		(0x0108)
104 #define VPIF_CH2_HANC1_SIZE		(0x010c)
105 #define VPIF_CH2_VANC0_STRT		(0x0110)
106 #define VPIF_CH2_VANC0_SIZE		(0x0114)
107 #define VPIF_CH2_VANC1_STRT		(0x0118)
108 #define VPIF_CH2_VANC1_SIZE		(0x011c)
109 
110 #define VPIF_CH3_TOP_STRT_ADD_LUMA	(0x0140)
111 #define VPIF_CH3_BTM_STRT_ADD_LUMA	(0x0144)
112 #define VPIF_CH3_TOP_STRT_ADD_CHROMA	(0x0148)
113 #define VPIF_CH3_BTM_STRT_ADD_CHROMA	(0x014c)
114 #define VPIF_CH3_TOP_STRT_ADD_HANC	(0x0150)
115 #define VPIF_CH3_BTM_STRT_ADD_HANC	(0x0154)
116 #define VPIF_CH3_TOP_STRT_ADD_VANC	(0x0158)
117 #define VPIF_CH3_BTM_STRT_ADD_VANC	(0x015c)
118 #define VPIF_CH3_SP_CFG			(0x0160)
119 #define VPIF_CH3_IMG_ADD_OFST		(0x0164)
120 #define VPIF_CH3_HANC_ADD_OFST		(0x0168)
121 #define VPIF_CH3_H_CFG			(0x016c)
122 #define VPIF_CH3_V_CFG_00		(0x0170)
123 #define VPIF_CH3_V_CFG_01		(0x0174)
124 #define VPIF_CH3_V_CFG_02		(0x0178)
125 #define VPIF_CH3_V_CFG_03		(0x017c)
126 #define VPIF_CH3_HANC0_STRT		(0x0180)
127 #define VPIF_CH3_HANC0_SIZE		(0x0184)
128 #define VPIF_CH3_HANC1_STRT		(0x0188)
129 #define VPIF_CH3_HANC1_SIZE		(0x018c)
130 #define VPIF_CH3_VANC0_STRT		(0x0190)
131 #define VPIF_CH3_VANC0_SIZE		(0x0194)
132 #define VPIF_CH3_VANC1_STRT		(0x0198)
133 #define VPIF_CH3_VANC1_SIZE		(0x019c)
134 
135 #define VPIF_IODFT_CTRL			(0x01c0)
136 
137 /* Functions for bit Manipulation */
vpif_set_bit(u32 reg,u32 bit)138 static inline void vpif_set_bit(u32 reg, u32 bit)
139 {
140 	regw((regr(reg)) | (0x01 << bit), reg);
141 }
142 
vpif_clr_bit(u32 reg,u32 bit)143 static inline void vpif_clr_bit(u32 reg, u32 bit)
144 {
145 	regw(((regr(reg)) & ~(0x01 << bit)), reg);
146 }
147 
148 /* Macro for Generating mask */
149 #ifdef GENERATE_MASK
150 #undef GENERATE_MASK
151 #endif
152 
153 #define GENERATE_MASK(bits, pos) \
154 		((((0xFFFFFFFF) << (32 - bits)) >> (32 - bits)) << pos)
155 
156 /* Bit positions in the channel control registers */
157 #define VPIF_CH_DATA_MODE_BIT	(2)
158 #define VPIF_CH_YC_MUX_BIT	(3)
159 #define VPIF_CH_SDR_FMT_BIT	(4)
160 #define VPIF_CH_HANC_EN_BIT	(8)
161 #define VPIF_CH_VANC_EN_BIT	(9)
162 
163 #define VPIF_CAPTURE_CH_NIP	(10)
164 #define VPIF_DISPLAY_CH_NIP	(11)
165 
166 #define VPIF_DISPLAY_PIX_EN_BIT	(10)
167 
168 #define VPIF_CH_INPUT_FIELD_FRAME_BIT	(12)
169 
170 #define VPIF_CH_FID_POLARITY_BIT	(15)
171 #define VPIF_CH_V_VALID_POLARITY_BIT	(14)
172 #define VPIF_CH_H_VALID_POLARITY_BIT	(13)
173 #define VPIF_CH_DATA_WIDTH_BIT		(28)
174 
175 #define VPIF_CH_CLK_EDGE_CTRL_BIT	(31)
176 
177 /* Mask various length */
178 #define VPIF_CH_EAVSAV_MASK	GENERATE_MASK(13, 0)
179 #define VPIF_CH_LEN_MASK	GENERATE_MASK(12, 0)
180 #define VPIF_CH_WIDTH_MASK	GENERATE_MASK(13, 0)
181 #define VPIF_CH_LEN_SHIFT	(16)
182 
183 /* VPIF masks for registers */
184 #define VPIF_REQ_SIZE_MASK	(0x1ff)
185 
186 /* bit posotion of interrupt vpif_ch_intr register */
187 #define VPIF_INTEN_FRAME_CH0	(0x00000001)
188 #define VPIF_INTEN_FRAME_CH1	(0x00000002)
189 #define VPIF_INTEN_FRAME_CH2	(0x00000004)
190 #define VPIF_INTEN_FRAME_CH3	(0x00000008)
191 
192 /* bit position of clock and channel enable in vpif_chn_ctrl register */
193 
194 #define VPIF_CH0_CLK_EN		(0x00000002)
195 #define VPIF_CH0_EN		(0x00000001)
196 #define VPIF_CH1_CLK_EN		(0x00000002)
197 #define VPIF_CH1_EN		(0x00000001)
198 #define VPIF_CH2_CLK_EN		(0x00000002)
199 #define VPIF_CH2_EN		(0x00000001)
200 #define VPIF_CH3_CLK_EN		(0x00000002)
201 #define VPIF_CH3_EN		(0x00000001)
202 #define VPIF_CH_CLK_EN		(0x00000002)
203 #define VPIF_CH_EN		(0x00000001)
204 
205 #define VPIF_INT_TOP	(0x00)
206 #define VPIF_INT_BOTTOM	(0x01)
207 #define VPIF_INT_BOTH	(0x02)
208 
209 #define VPIF_CH0_INT_CTRL_SHIFT	(6)
210 #define VPIF_CH1_INT_CTRL_SHIFT	(6)
211 #define VPIF_CH2_INT_CTRL_SHIFT	(6)
212 #define VPIF_CH3_INT_CTRL_SHIFT	(6)
213 #define VPIF_CH_INT_CTRL_SHIFT	(6)
214 
215 /* enabled interrupt on both the fields on vpid_ch0_ctrl register */
216 #define channel0_intr_assert()	(regw((regr(VPIF_CH0_CTRL)|\
217 	(VPIF_INT_BOTH << VPIF_CH0_INT_CTRL_SHIFT)), VPIF_CH0_CTRL))
218 
219 /* enabled interrupt on both the fields on vpid_ch1_ctrl register */
220 #define channel1_intr_assert()	(regw((regr(VPIF_CH1_CTRL)|\
221 	(VPIF_INT_BOTH << VPIF_CH1_INT_CTRL_SHIFT)), VPIF_CH1_CTRL))
222 
223 /* enabled interrupt on both the fields on vpid_ch0_ctrl register */
224 #define channel2_intr_assert() 	(regw((regr(VPIF_CH2_CTRL)|\
225 	(VPIF_INT_BOTH << VPIF_CH2_INT_CTRL_SHIFT)), VPIF_CH2_CTRL))
226 
227 /* enabled interrupt on both the fields on vpid_ch1_ctrl register */
228 #define channel3_intr_assert() 	(regw((regr(VPIF_CH3_CTRL)|\
229 	(VPIF_INT_BOTH << VPIF_CH3_INT_CTRL_SHIFT)), VPIF_CH3_CTRL))
230 
231 #define VPIF_CH_FID_MASK	(0x20)
232 #define VPIF_CH_FID_SHIFT	(5)
233 
234 #define VPIF_NTSC_VBI_START_FIELD0	(1)
235 #define VPIF_NTSC_VBI_START_FIELD1	(263)
236 #define VPIF_PAL_VBI_START_FIELD0	(624)
237 #define VPIF_PAL_VBI_START_FIELD1	(311)
238 
239 #define VPIF_NTSC_HBI_START_FIELD0	(1)
240 #define VPIF_NTSC_HBI_START_FIELD1	(263)
241 #define VPIF_PAL_HBI_START_FIELD0	(624)
242 #define VPIF_PAL_HBI_START_FIELD1	(311)
243 
244 #define VPIF_NTSC_VBI_COUNT_FIELD0	(20)
245 #define VPIF_NTSC_VBI_COUNT_FIELD1	(19)
246 #define VPIF_PAL_VBI_COUNT_FIELD0	(24)
247 #define VPIF_PAL_VBI_COUNT_FIELD1	(25)
248 
249 #define VPIF_NTSC_HBI_COUNT_FIELD0	(263)
250 #define VPIF_NTSC_HBI_COUNT_FIELD1	(262)
251 #define VPIF_PAL_HBI_COUNT_FIELD0	(312)
252 #define VPIF_PAL_HBI_COUNT_FIELD1	(313)
253 
254 #define VPIF_NTSC_VBI_SAMPLES_PER_LINE	(720)
255 #define VPIF_PAL_VBI_SAMPLES_PER_LINE	(720)
256 #define VPIF_NTSC_HBI_SAMPLES_PER_LINE	(268)
257 #define VPIF_PAL_HBI_SAMPLES_PER_LINE	(280)
258 
259 #define VPIF_CH_VANC_EN			(0x20)
260 #define VPIF_DMA_REQ_SIZE		(0x080)
261 #define VPIF_EMULATION_DISABLE		(0x01)
262 
263 extern u8 irq_vpif_capture_channel[VPIF_NUM_CHANNELS];
264 
265 /* inline function to enable/disable channel0 */
enable_channel0(int enable)266 static inline void enable_channel0(int enable)
267 {
268 	if (enable)
269 		regw((regr(VPIF_CH0_CTRL) | (VPIF_CH0_EN)), VPIF_CH0_CTRL);
270 	else
271 		regw((regr(VPIF_CH0_CTRL) & (~VPIF_CH0_EN)), VPIF_CH0_CTRL);
272 }
273 
274 /* inline function to enable/disable channel1 */
enable_channel1(int enable)275 static inline void enable_channel1(int enable)
276 {
277 	if (enable)
278 		regw((regr(VPIF_CH1_CTRL) | (VPIF_CH1_EN)), VPIF_CH1_CTRL);
279 	else
280 		regw((regr(VPIF_CH1_CTRL) & (~VPIF_CH1_EN)), VPIF_CH1_CTRL);
281 }
282 
283 /* inline function to enable interrupt for channel0 */
channel0_intr_enable(int enable)284 static inline void channel0_intr_enable(int enable)
285 {
286 	unsigned long flags;
287 
288 	spin_lock_irqsave(&vpif_lock, flags);
289 
290 	if (enable) {
291 		regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
292 		regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
293 
294 		regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH0), VPIF_INTEN);
295 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0),
296 							VPIF_INTEN_SET);
297 	} else {
298 		regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH0)), VPIF_INTEN);
299 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0),
300 							VPIF_INTEN_SET);
301 	}
302 	spin_unlock_irqrestore(&vpif_lock, flags);
303 }
304 
305 /* inline function to enable interrupt for channel1 */
channel1_intr_enable(int enable)306 static inline void channel1_intr_enable(int enable)
307 {
308 	unsigned long flags;
309 
310 	spin_lock_irqsave(&vpif_lock, flags);
311 
312 	if (enable) {
313 		regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
314 		regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
315 
316 		regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH1), VPIF_INTEN);
317 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1),
318 							VPIF_INTEN_SET);
319 	} else {
320 		regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH1)), VPIF_INTEN);
321 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1),
322 							VPIF_INTEN_SET);
323 	}
324 	spin_unlock_irqrestore(&vpif_lock, flags);
325 }
326 
327 /* inline function to set buffer addresses in case of Y/C non mux mode */
ch0_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)328 static inline void ch0_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma,
329 						 unsigned long btm_strt_luma,
330 						 unsigned long top_strt_chroma,
331 						 unsigned long btm_strt_chroma)
332 {
333 	regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA);
334 	regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA);
335 	regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA);
336 	regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA);
337 }
338 
339 /* inline function to set buffer addresses in VPIF registers for video data */
ch0_set_videobuf_addr(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)340 static inline void ch0_set_videobuf_addr(unsigned long top_strt_luma,
341 					 unsigned long btm_strt_luma,
342 					 unsigned long top_strt_chroma,
343 					 unsigned long btm_strt_chroma)
344 {
345 	regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA);
346 	regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA);
347 	regw(top_strt_chroma, VPIF_CH0_TOP_STRT_ADD_CHROMA);
348 	regw(btm_strt_chroma, VPIF_CH0_BTM_STRT_ADD_CHROMA);
349 }
350 
ch1_set_videobuf_addr(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)351 static inline void ch1_set_videobuf_addr(unsigned long top_strt_luma,
352 					 unsigned long btm_strt_luma,
353 					 unsigned long top_strt_chroma,
354 					 unsigned long btm_strt_chroma)
355 {
356 
357 	regw(top_strt_luma, VPIF_CH1_TOP_STRT_ADD_LUMA);
358 	regw(btm_strt_luma, VPIF_CH1_BTM_STRT_ADD_LUMA);
359 	regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA);
360 	regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA);
361 }
362 
ch0_set_vbi_addr(unsigned long top_vbi,unsigned long btm_vbi,unsigned long a,unsigned long b)363 static inline void ch0_set_vbi_addr(unsigned long top_vbi,
364 	unsigned long btm_vbi, unsigned long a, unsigned long b)
365 {
366 	regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_VANC);
367 	regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_VANC);
368 }
369 
ch0_set_hbi_addr(unsigned long top_vbi,unsigned long btm_vbi,unsigned long a,unsigned long b)370 static inline void ch0_set_hbi_addr(unsigned long top_vbi,
371 	unsigned long btm_vbi, unsigned long a, unsigned long b)
372 {
373 	regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_HANC);
374 	regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_HANC);
375 }
376 
ch1_set_vbi_addr(unsigned long top_vbi,unsigned long btm_vbi,unsigned long a,unsigned long b)377 static inline void ch1_set_vbi_addr(unsigned long top_vbi,
378 	unsigned long btm_vbi, unsigned long a, unsigned long b)
379 {
380 	regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_VANC);
381 	regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_VANC);
382 }
383 
ch1_set_hbi_addr(unsigned long top_vbi,unsigned long btm_vbi,unsigned long a,unsigned long b)384 static inline void ch1_set_hbi_addr(unsigned long top_vbi,
385 	unsigned long btm_vbi, unsigned long a, unsigned long b)
386 {
387 	regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_HANC);
388 	regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_HANC);
389 }
390 
391 /* Inline function to enable raw vbi in the given channel */
disable_raw_feature(u8 channel_id,u8 index)392 static inline void disable_raw_feature(u8 channel_id, u8 index)
393 {
394 	u32 ctrl_reg;
395 	if (0 == channel_id)
396 		ctrl_reg = VPIF_CH0_CTRL;
397 	else
398 		ctrl_reg = VPIF_CH1_CTRL;
399 
400 	if (1 == index)
401 		vpif_clr_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT);
402 	else
403 		vpif_clr_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT);
404 }
405 
enable_raw_feature(u8 channel_id,u8 index)406 static inline void enable_raw_feature(u8 channel_id, u8 index)
407 {
408 	u32 ctrl_reg;
409 	if (0 == channel_id)
410 		ctrl_reg = VPIF_CH0_CTRL;
411 	else
412 		ctrl_reg = VPIF_CH1_CTRL;
413 
414 	if (1 == index)
415 		vpif_set_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT);
416 	else
417 		vpif_set_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT);
418 }
419 
420 /* inline function to enable/disable channel2 */
enable_channel2(int enable)421 static inline void enable_channel2(int enable)
422 {
423 	if (enable) {
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 	} else {
427 		regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL);
428 		regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_EN)), VPIF_CH2_CTRL);
429 	}
430 }
431 
432 /* inline function to enable/disable channel3 */
enable_channel3(int enable)433 static inline void enable_channel3(int enable)
434 {
435 	if (enable) {
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 	} else {
439 		regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL);
440 		regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_EN)), VPIF_CH3_CTRL);
441 	}
442 }
443 
444 /* inline function to enable interrupt for channel2 */
channel2_intr_enable(int enable)445 static inline void channel2_intr_enable(int enable)
446 {
447 	unsigned long flags;
448 
449 	spin_lock_irqsave(&vpif_lock, flags);
450 
451 	if (enable) {
452 		regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
453 		regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
454 		regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH2), VPIF_INTEN);
455 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2),
456 							VPIF_INTEN_SET);
457 	} else {
458 		regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH2)), VPIF_INTEN);
459 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2),
460 							VPIF_INTEN_SET);
461 	}
462 	spin_unlock_irqrestore(&vpif_lock, flags);
463 }
464 
465 /* inline function to enable interrupt for channel3 */
channel3_intr_enable(int enable)466 static inline void channel3_intr_enable(int enable)
467 {
468 	unsigned long flags;
469 
470 	spin_lock_irqsave(&vpif_lock, flags);
471 
472 	if (enable) {
473 		regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN);
474 		regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET);
475 
476 		regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH3), VPIF_INTEN);
477 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3),
478 							VPIF_INTEN_SET);
479 	} else {
480 		regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH3)), VPIF_INTEN);
481 		regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3),
482 							VPIF_INTEN_SET);
483 	}
484 	spin_unlock_irqrestore(&vpif_lock, flags);
485 }
486 
487 /* inline function to enable raw vbi data for channel2 */
channel2_raw_enable(int enable,u8 index)488 static inline void channel2_raw_enable(int enable, u8 index)
489 {
490 	u32 mask;
491 
492 	if (1 == index)
493 		mask = VPIF_CH_VANC_EN_BIT;
494 	else
495 		mask = VPIF_CH_HANC_EN_BIT;
496 
497 	if (enable)
498 		vpif_set_bit(VPIF_CH2_CTRL, mask);
499 	else
500 		vpif_clr_bit(VPIF_CH2_CTRL, mask);
501 }
502 
503 /* inline function to enable raw vbi data for channel3*/
channel3_raw_enable(int enable,u8 index)504 static inline void channel3_raw_enable(int enable, u8 index)
505 {
506 	u32 mask;
507 
508 	if (1 == index)
509 		mask = VPIF_CH_VANC_EN_BIT;
510 	else
511 		mask = VPIF_CH_HANC_EN_BIT;
512 
513 	if (enable)
514 		vpif_set_bit(VPIF_CH3_CTRL, mask);
515 	else
516 		vpif_clr_bit(VPIF_CH3_CTRL, mask);
517 }
518 
519 /* inline function to set buffer addresses in case of Y/C non mux mode */
ch2_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)520 static inline void ch2_set_videobuf_addr_yc_nmux(unsigned long top_strt_luma,
521 						 unsigned long btm_strt_luma,
522 						 unsigned long top_strt_chroma,
523 						 unsigned long btm_strt_chroma)
524 {
525 	regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA);
526 	regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA);
527 	regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA);
528 	regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA);
529 }
530 
531 /* inline function to set buffer addresses in VPIF registers for video data */
ch2_set_videobuf_addr(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)532 static inline void ch2_set_videobuf_addr(unsigned long top_strt_luma,
533 					 unsigned long btm_strt_luma,
534 					 unsigned long top_strt_chroma,
535 					 unsigned long btm_strt_chroma)
536 {
537 	regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA);
538 	regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA);
539 	regw(top_strt_chroma, VPIF_CH2_TOP_STRT_ADD_CHROMA);
540 	regw(btm_strt_chroma, VPIF_CH2_BTM_STRT_ADD_CHROMA);
541 }
542 
ch3_set_videobuf_addr(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)543 static inline void ch3_set_videobuf_addr(unsigned long top_strt_luma,
544 					 unsigned long btm_strt_luma,
545 					 unsigned long top_strt_chroma,
546 					 unsigned long btm_strt_chroma)
547 {
548 	regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_LUMA);
549 	regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_LUMA);
550 	regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA);
551 	regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA);
552 }
553 
554 /* inline function to set buffer addresses in VPIF registers for vbi data */
ch2_set_vbi_addr(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)555 static inline void ch2_set_vbi_addr(unsigned long top_strt_luma,
556 					 unsigned long btm_strt_luma,
557 					 unsigned long top_strt_chroma,
558 					 unsigned long btm_strt_chroma)
559 {
560 	regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_VANC);
561 	regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_VANC);
562 }
563 
ch3_set_vbi_addr(unsigned long top_strt_luma,unsigned long btm_strt_luma,unsigned long top_strt_chroma,unsigned long btm_strt_chroma)564 static inline void ch3_set_vbi_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_VANC);
570 	regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_VANC);
571 }
572 
573 #define VPIF_MAX_NAME	(30)
574 
575 /* This structure will store size parameters as per the mode selected by user */
576 struct vpif_channel_config_params {
577 	char name[VPIF_MAX_NAME];	/* Name of the mode */
578 	u16 width;			/* Indicates width of the image */
579 	u16 height;			/* Indicates height of the image */
580 	u8 frm_fmt;			/* Interlaced (0) or progressive (1) */
581 	u8 ycmux_mode;			/* This mode requires one (0) or two (1)
582 					   channels */
583 	u16 eav2sav;			/* length of eav 2 sav */
584 	u16 sav2eav;			/* length of sav 2 eav */
585 	u16 l1, l3, l5, l7, l9, l11;	/* Other parameter configurations */
586 	u16 vsize;			/* Vertical size of the image */
587 	u8 capture_format;		/* Indicates whether capture format
588 					 * is in BT or in CCD/CMOS */
589 	u8  vbi_supported;		/* Indicates whether this mode
590 					 * supports capturing vbi or not */
591 	u8 hd_sd;			/* HDTV (1) or SDTV (0) format */
592 	v4l2_std_id stdid;		/* SDTV format */
593 	u32 dv_preset;			/* HDTV format */
594 };
595 
596 extern const unsigned int vpif_ch_params_count;
597 extern const struct vpif_channel_config_params ch_params[];
598 
599 struct vpif_video_params;
600 struct vpif_params;
601 struct vpif_vbi_params;
602 
603 int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id);
604 void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams,
605 							u8 channel_id);
606 int vpif_channel_getfid(u8 channel_id);
607 
608 enum data_size {
609 	_8BITS = 0,
610 	_10BITS,
611 	_12BITS,
612 };
613 
614 /* Structure for vpif parameters for raw vbi data */
615 struct vpif_vbi_params {
616 	__u32 hstart0;  /* Horizontal start of raw vbi data for first field */
617 	__u32 vstart0;  /* Vertical start of raw vbi data for first field */
618 	__u32 hsize0;   /* Horizontal size of raw vbi data for first field */
619 	__u32 vsize0;   /* Vertical size of raw vbi data for first field */
620 	__u32 hstart1;  /* Horizontal start of raw vbi data for second field */
621 	__u32 vstart1;  /* Vertical start of raw vbi data for second field */
622 	__u32 hsize1;   /* Horizontal size of raw vbi data for second field */
623 	__u32 vsize1;   /* Vertical size of raw vbi data for second field */
624 };
625 
626 /* structure for vpif parameters */
627 struct vpif_video_params {
628 	__u8 storage_mode;	/* Indicates field or frame mode */
629 	unsigned long hpitch;
630 	v4l2_std_id stdid;
631 };
632 
633 struct vpif_params {
634 	struct vpif_interface iface;
635 	struct vpif_video_params video_params;
636 	struct vpif_channel_config_params std_info;
637 	union param {
638 		struct vpif_vbi_params	vbi_params;
639 		enum data_size data_sz;
640 	} params;
641 };
642 
643 #endif				/* End of #ifndef VPIF_H */
644 
645