|  | /* | 
|  | * VPIF header file | 
|  | * | 
|  | * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/ | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public License as | 
|  | * published by the Free Software Foundation version 2. | 
|  | * | 
|  | * This program is distributed .as is. WITHOUT ANY WARRANTY of any | 
|  | * kind, whether express or implied; without even the implied warranty | 
|  | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | */ | 
|  |  | 
|  | #ifndef VPIF_H | 
|  | #define VPIF_H | 
|  |  | 
|  | #include <linux/io.h> | 
|  | #include <linux/videodev2.h> | 
|  | #include <media/davinci/vpif_types.h> | 
|  |  | 
|  | /* Maximum channel allowed */ | 
|  | #define VPIF_NUM_CHANNELS		(4) | 
|  | #define VPIF_CAPTURE_NUM_CHANNELS	(2) | 
|  | #define VPIF_DISPLAY_NUM_CHANNELS	(2) | 
|  |  | 
|  | /* Macros to read/write registers */ | 
|  | extern void __iomem *vpif_base; | 
|  | extern spinlock_t vpif_lock; | 
|  |  | 
|  | #define regr(reg)               readl((reg) + vpif_base) | 
|  | #define regw(value, reg)        writel(value, (reg + vpif_base)) | 
|  |  | 
|  | /* Register Address Offsets */ | 
|  | #define VPIF_PID			(0x0000) | 
|  | #define VPIF_CH0_CTRL			(0x0004) | 
|  | #define VPIF_CH1_CTRL			(0x0008) | 
|  | #define VPIF_CH2_CTRL			(0x000C) | 
|  | #define VPIF_CH3_CTRL			(0x0010) | 
|  |  | 
|  | #define VPIF_INTEN			(0x0020) | 
|  | #define VPIF_INTEN_SET			(0x0024) | 
|  | #define VPIF_INTEN_CLR			(0x0028) | 
|  | #define VPIF_STATUS			(0x002C) | 
|  | #define VPIF_STATUS_CLR			(0x0030) | 
|  | #define VPIF_EMULATION_CTRL		(0x0034) | 
|  | #define VPIF_REQ_SIZE			(0x0038) | 
|  |  | 
|  | #define VPIF_CH0_TOP_STRT_ADD_LUMA	(0x0040) | 
|  | #define VPIF_CH0_BTM_STRT_ADD_LUMA	(0x0044) | 
|  | #define VPIF_CH0_TOP_STRT_ADD_CHROMA	(0x0048) | 
|  | #define VPIF_CH0_BTM_STRT_ADD_CHROMA	(0x004c) | 
|  | #define VPIF_CH0_TOP_STRT_ADD_HANC	(0x0050) | 
|  | #define VPIF_CH0_BTM_STRT_ADD_HANC	(0x0054) | 
|  | #define VPIF_CH0_TOP_STRT_ADD_VANC	(0x0058) | 
|  | #define VPIF_CH0_BTM_STRT_ADD_VANC	(0x005c) | 
|  | #define VPIF_CH0_SP_CFG			(0x0060) | 
|  | #define VPIF_CH0_IMG_ADD_OFST		(0x0064) | 
|  | #define VPIF_CH0_HANC_ADD_OFST		(0x0068) | 
|  | #define VPIF_CH0_H_CFG			(0x006c) | 
|  | #define VPIF_CH0_V_CFG_00		(0x0070) | 
|  | #define VPIF_CH0_V_CFG_01		(0x0074) | 
|  | #define VPIF_CH0_V_CFG_02		(0x0078) | 
|  | #define VPIF_CH0_V_CFG_03		(0x007c) | 
|  |  | 
|  | #define VPIF_CH1_TOP_STRT_ADD_LUMA	(0x0080) | 
|  | #define VPIF_CH1_BTM_STRT_ADD_LUMA	(0x0084) | 
|  | #define VPIF_CH1_TOP_STRT_ADD_CHROMA	(0x0088) | 
|  | #define VPIF_CH1_BTM_STRT_ADD_CHROMA	(0x008c) | 
|  | #define VPIF_CH1_TOP_STRT_ADD_HANC	(0x0090) | 
|  | #define VPIF_CH1_BTM_STRT_ADD_HANC	(0x0094) | 
|  | #define VPIF_CH1_TOP_STRT_ADD_VANC	(0x0098) | 
|  | #define VPIF_CH1_BTM_STRT_ADD_VANC	(0x009c) | 
|  | #define VPIF_CH1_SP_CFG			(0x00a0) | 
|  | #define VPIF_CH1_IMG_ADD_OFST		(0x00a4) | 
|  | #define VPIF_CH1_HANC_ADD_OFST		(0x00a8) | 
|  | #define VPIF_CH1_H_CFG			(0x00ac) | 
|  | #define VPIF_CH1_V_CFG_00		(0x00b0) | 
|  | #define VPIF_CH1_V_CFG_01		(0x00b4) | 
|  | #define VPIF_CH1_V_CFG_02		(0x00b8) | 
|  | #define VPIF_CH1_V_CFG_03		(0x00bc) | 
|  |  | 
|  | #define VPIF_CH2_TOP_STRT_ADD_LUMA	(0x00c0) | 
|  | #define VPIF_CH2_BTM_STRT_ADD_LUMA	(0x00c4) | 
|  | #define VPIF_CH2_TOP_STRT_ADD_CHROMA	(0x00c8) | 
|  | #define VPIF_CH2_BTM_STRT_ADD_CHROMA	(0x00cc) | 
|  | #define VPIF_CH2_TOP_STRT_ADD_HANC	(0x00d0) | 
|  | #define VPIF_CH2_BTM_STRT_ADD_HANC	(0x00d4) | 
|  | #define VPIF_CH2_TOP_STRT_ADD_VANC	(0x00d8) | 
|  | #define VPIF_CH2_BTM_STRT_ADD_VANC	(0x00dc) | 
|  | #define VPIF_CH2_SP_CFG			(0x00e0) | 
|  | #define VPIF_CH2_IMG_ADD_OFST		(0x00e4) | 
|  | #define VPIF_CH2_HANC_ADD_OFST		(0x00e8) | 
|  | #define VPIF_CH2_H_CFG			(0x00ec) | 
|  | #define VPIF_CH2_V_CFG_00		(0x00f0) | 
|  | #define VPIF_CH2_V_CFG_01		(0x00f4) | 
|  | #define VPIF_CH2_V_CFG_02		(0x00f8) | 
|  | #define VPIF_CH2_V_CFG_03		(0x00fc) | 
|  | #define VPIF_CH2_HANC0_STRT		(0x0100) | 
|  | #define VPIF_CH2_HANC0_SIZE		(0x0104) | 
|  | #define VPIF_CH2_HANC1_STRT		(0x0108) | 
|  | #define VPIF_CH2_HANC1_SIZE		(0x010c) | 
|  | #define VPIF_CH2_VANC0_STRT		(0x0110) | 
|  | #define VPIF_CH2_VANC0_SIZE		(0x0114) | 
|  | #define VPIF_CH2_VANC1_STRT		(0x0118) | 
|  | #define VPIF_CH2_VANC1_SIZE		(0x011c) | 
|  |  | 
|  | #define VPIF_CH3_TOP_STRT_ADD_LUMA	(0x0140) | 
|  | #define VPIF_CH3_BTM_STRT_ADD_LUMA	(0x0144) | 
|  | #define VPIF_CH3_TOP_STRT_ADD_CHROMA	(0x0148) | 
|  | #define VPIF_CH3_BTM_STRT_ADD_CHROMA	(0x014c) | 
|  | #define VPIF_CH3_TOP_STRT_ADD_HANC	(0x0150) | 
|  | #define VPIF_CH3_BTM_STRT_ADD_HANC	(0x0154) | 
|  | #define VPIF_CH3_TOP_STRT_ADD_VANC	(0x0158) | 
|  | #define VPIF_CH3_BTM_STRT_ADD_VANC	(0x015c) | 
|  | #define VPIF_CH3_SP_CFG			(0x0160) | 
|  | #define VPIF_CH3_IMG_ADD_OFST		(0x0164) | 
|  | #define VPIF_CH3_HANC_ADD_OFST		(0x0168) | 
|  | #define VPIF_CH3_H_CFG			(0x016c) | 
|  | #define VPIF_CH3_V_CFG_00		(0x0170) | 
|  | #define VPIF_CH3_V_CFG_01		(0x0174) | 
|  | #define VPIF_CH3_V_CFG_02		(0x0178) | 
|  | #define VPIF_CH3_V_CFG_03		(0x017c) | 
|  | #define VPIF_CH3_HANC0_STRT		(0x0180) | 
|  | #define VPIF_CH3_HANC0_SIZE		(0x0184) | 
|  | #define VPIF_CH3_HANC1_STRT		(0x0188) | 
|  | #define VPIF_CH3_HANC1_SIZE		(0x018c) | 
|  | #define VPIF_CH3_VANC0_STRT		(0x0190) | 
|  | #define VPIF_CH3_VANC0_SIZE		(0x0194) | 
|  | #define VPIF_CH3_VANC1_STRT		(0x0198) | 
|  | #define VPIF_CH3_VANC1_SIZE		(0x019c) | 
|  |  | 
|  | #define VPIF_IODFT_CTRL			(0x01c0) | 
|  |  | 
|  | /* Functions for bit Manipulation */ | 
|  | static inline void vpif_set_bit(u32 reg, u32 bit) | 
|  | { | 
|  | regw((regr(reg)) | (0x01 << bit), reg); | 
|  | } | 
|  |  | 
|  | static inline void vpif_clr_bit(u32 reg, u32 bit) | 
|  | { | 
|  | regw(((regr(reg)) & ~(0x01 << bit)), reg); | 
|  | } | 
|  |  | 
|  | /* Macro for Generating mask */ | 
|  | #ifdef GENERATE_MASK | 
|  | #undef GENERATE_MASK | 
|  | #endif | 
|  |  | 
|  | #define GENERATE_MASK(bits, pos) \ | 
|  | ((((0xFFFFFFFF) << (32 - bits)) >> (32 - bits)) << pos) | 
|  |  | 
|  | /* Bit positions in the channel control registers */ | 
|  | #define VPIF_CH_DATA_MODE_BIT	(2) | 
|  | #define VPIF_CH_YC_MUX_BIT	(3) | 
|  | #define VPIF_CH_SDR_FMT_BIT	(4) | 
|  | #define VPIF_CH_HANC_EN_BIT	(8) | 
|  | #define VPIF_CH_VANC_EN_BIT	(9) | 
|  |  | 
|  | #define VPIF_CAPTURE_CH_NIP	(10) | 
|  | #define VPIF_DISPLAY_CH_NIP	(11) | 
|  |  | 
|  | #define VPIF_DISPLAY_PIX_EN_BIT	(10) | 
|  |  | 
|  | #define VPIF_CH_INPUT_FIELD_FRAME_BIT	(12) | 
|  |  | 
|  | #define VPIF_CH_FID_POLARITY_BIT	(15) | 
|  | #define VPIF_CH_V_VALID_POLARITY_BIT	(14) | 
|  | #define VPIF_CH_H_VALID_POLARITY_BIT	(13) | 
|  | #define VPIF_CH_DATA_WIDTH_BIT		(28) | 
|  |  | 
|  | #define VPIF_CH_CLK_EDGE_CTRL_BIT	(31) | 
|  |  | 
|  | /* Mask various length */ | 
|  | #define VPIF_CH_EAVSAV_MASK	GENERATE_MASK(13, 0) | 
|  | #define VPIF_CH_LEN_MASK	GENERATE_MASK(12, 0) | 
|  | #define VPIF_CH_WIDTH_MASK	GENERATE_MASK(13, 0) | 
|  | #define VPIF_CH_LEN_SHIFT	(16) | 
|  |  | 
|  | /* VPIF masks for registers */ | 
|  | #define VPIF_REQ_SIZE_MASK	(0x1ff) | 
|  |  | 
|  | /* bit posotion of interrupt vpif_ch_intr register */ | 
|  | #define VPIF_INTEN_FRAME_CH0	(0x00000001) | 
|  | #define VPIF_INTEN_FRAME_CH1	(0x00000002) | 
|  | #define VPIF_INTEN_FRAME_CH2	(0x00000004) | 
|  | #define VPIF_INTEN_FRAME_CH3	(0x00000008) | 
|  |  | 
|  | /* bit position of clock and channel enable in vpif_chn_ctrl register */ | 
|  |  | 
|  | #define VPIF_CH0_CLK_EN		(0x00000002) | 
|  | #define VPIF_CH0_EN		(0x00000001) | 
|  | #define VPIF_CH1_CLK_EN		(0x00000002) | 
|  | #define VPIF_CH1_EN		(0x00000001) | 
|  | #define VPIF_CH2_CLK_EN		(0x00000002) | 
|  | #define VPIF_CH2_EN		(0x00000001) | 
|  | #define VPIF_CH3_CLK_EN		(0x00000002) | 
|  | #define VPIF_CH3_EN		(0x00000001) | 
|  | #define VPIF_CH_CLK_EN		(0x00000002) | 
|  | #define VPIF_CH_EN		(0x00000001) | 
|  |  | 
|  | #define VPIF_INT_TOP	(0x00) | 
|  | #define VPIF_INT_BOTTOM	(0x01) | 
|  | #define VPIF_INT_BOTH	(0x02) | 
|  |  | 
|  | #define VPIF_CH0_INT_CTRL_SHIFT	(6) | 
|  | #define VPIF_CH1_INT_CTRL_SHIFT	(6) | 
|  | #define VPIF_CH2_INT_CTRL_SHIFT	(6) | 
|  | #define VPIF_CH3_INT_CTRL_SHIFT	(6) | 
|  | #define VPIF_CH_INT_CTRL_SHIFT	(6) | 
|  |  | 
|  | #define VPIF_CH2_CLIP_ANC_EN	14 | 
|  | #define VPIF_CH2_CLIP_ACTIVE_EN	13 | 
|  |  | 
|  | #define VPIF_CH3_CLIP_ANC_EN	14 | 
|  | #define VPIF_CH3_CLIP_ACTIVE_EN	13 | 
|  |  | 
|  | /* enabled interrupt on both the fields on vpid_ch0_ctrl register */ | 
|  | #define channel0_intr_assert()	(regw((regr(VPIF_CH0_CTRL)|\ | 
|  | (VPIF_INT_BOTH << VPIF_CH0_INT_CTRL_SHIFT)), VPIF_CH0_CTRL)) | 
|  |  | 
|  | /* enabled interrupt on both the fields on vpid_ch1_ctrl register */ | 
|  | #define channel1_intr_assert()	(regw((regr(VPIF_CH1_CTRL)|\ | 
|  | (VPIF_INT_BOTH << VPIF_CH1_INT_CTRL_SHIFT)), VPIF_CH1_CTRL)) | 
|  |  | 
|  | /* enabled interrupt on both the fields on vpid_ch0_ctrl register */ | 
|  | #define channel2_intr_assert()	(regw((regr(VPIF_CH2_CTRL)|\ | 
|  | (VPIF_INT_BOTH << VPIF_CH2_INT_CTRL_SHIFT)), VPIF_CH2_CTRL)) | 
|  |  | 
|  | /* enabled interrupt on both the fields on vpid_ch1_ctrl register */ | 
|  | #define channel3_intr_assert()	(regw((regr(VPIF_CH3_CTRL)|\ | 
|  | (VPIF_INT_BOTH << VPIF_CH3_INT_CTRL_SHIFT)), VPIF_CH3_CTRL)) | 
|  |  | 
|  | #define VPIF_CH_FID_MASK	(0x20) | 
|  | #define VPIF_CH_FID_SHIFT	(5) | 
|  |  | 
|  | #define VPIF_NTSC_VBI_START_FIELD0	(1) | 
|  | #define VPIF_NTSC_VBI_START_FIELD1	(263) | 
|  | #define VPIF_PAL_VBI_START_FIELD0	(624) | 
|  | #define VPIF_PAL_VBI_START_FIELD1	(311) | 
|  |  | 
|  | #define VPIF_NTSC_HBI_START_FIELD0	(1) | 
|  | #define VPIF_NTSC_HBI_START_FIELD1	(263) | 
|  | #define VPIF_PAL_HBI_START_FIELD0	(624) | 
|  | #define VPIF_PAL_HBI_START_FIELD1	(311) | 
|  |  | 
|  | #define VPIF_NTSC_VBI_COUNT_FIELD0	(20) | 
|  | #define VPIF_NTSC_VBI_COUNT_FIELD1	(19) | 
|  | #define VPIF_PAL_VBI_COUNT_FIELD0	(24) | 
|  | #define VPIF_PAL_VBI_COUNT_FIELD1	(25) | 
|  |  | 
|  | #define VPIF_NTSC_HBI_COUNT_FIELD0	(263) | 
|  | #define VPIF_NTSC_HBI_COUNT_FIELD1	(262) | 
|  | #define VPIF_PAL_HBI_COUNT_FIELD0	(312) | 
|  | #define VPIF_PAL_HBI_COUNT_FIELD1	(313) | 
|  |  | 
|  | #define VPIF_NTSC_VBI_SAMPLES_PER_LINE	(720) | 
|  | #define VPIF_PAL_VBI_SAMPLES_PER_LINE	(720) | 
|  | #define VPIF_NTSC_HBI_SAMPLES_PER_LINE	(268) | 
|  | #define VPIF_PAL_HBI_SAMPLES_PER_LINE	(280) | 
|  |  | 
|  | #define VPIF_CH_VANC_EN			(0x20) | 
|  | #define VPIF_DMA_REQ_SIZE		(0x080) | 
|  | #define VPIF_EMULATION_DISABLE		(0x01) | 
|  |  | 
|  | extern u8 irq_vpif_capture_channel[VPIF_NUM_CHANNELS]; | 
|  |  | 
|  | /* inline function to enable/disable channel0 */ | 
|  | static inline void enable_channel0(int enable) | 
|  | { | 
|  | if (enable) | 
|  | regw((regr(VPIF_CH0_CTRL) | (VPIF_CH0_EN)), VPIF_CH0_CTRL); | 
|  | else | 
|  | regw((regr(VPIF_CH0_CTRL) & (~VPIF_CH0_EN)), VPIF_CH0_CTRL); | 
|  | } | 
|  |  | 
|  | /* inline function to enable/disable channel1 */ | 
|  | static inline void enable_channel1(int enable) | 
|  | { | 
|  | if (enable) | 
|  | regw((regr(VPIF_CH1_CTRL) | (VPIF_CH1_EN)), VPIF_CH1_CTRL); | 
|  | else | 
|  | regw((regr(VPIF_CH1_CTRL) & (~VPIF_CH1_EN)), VPIF_CH1_CTRL); | 
|  | } | 
|  |  | 
|  | /* inline function to enable interrupt for channel0 */ | 
|  | static inline void channel0_intr_enable(int enable) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&vpif_lock, flags); | 
|  |  | 
|  | if (enable) { | 
|  | regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); | 
|  |  | 
|  | regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH0), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0), | 
|  | VPIF_INTEN_SET); | 
|  | } else { | 
|  | regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH0)), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH0), | 
|  | VPIF_INTEN_SET); | 
|  | } | 
|  | spin_unlock_irqrestore(&vpif_lock, flags); | 
|  | } | 
|  |  | 
|  | /* inline function to enable interrupt for channel1 */ | 
|  | static inline void channel1_intr_enable(int enable) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&vpif_lock, flags); | 
|  |  | 
|  | if (enable) { | 
|  | regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); | 
|  |  | 
|  | regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH1), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1), | 
|  | VPIF_INTEN_SET); | 
|  | } else { | 
|  | regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH1)), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH1), | 
|  | VPIF_INTEN_SET); | 
|  | } | 
|  | spin_unlock_irqrestore(&vpif_lock, flags); | 
|  | } | 
|  |  | 
|  | /* inline function to set buffer addresses in case of Y/C non mux mode */ | 
|  | static inline void 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) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA); | 
|  | regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA); | 
|  | regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA); | 
|  | regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA); | 
|  | } | 
|  |  | 
|  | /* inline function to set buffer addresses in VPIF registers for video data */ | 
|  | static inline void ch0_set_videobuf_addr(unsigned long top_strt_luma, | 
|  | unsigned long btm_strt_luma, | 
|  | unsigned long top_strt_chroma, | 
|  | unsigned long btm_strt_chroma) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH0_TOP_STRT_ADD_LUMA); | 
|  | regw(btm_strt_luma, VPIF_CH0_BTM_STRT_ADD_LUMA); | 
|  | regw(top_strt_chroma, VPIF_CH0_TOP_STRT_ADD_CHROMA); | 
|  | regw(btm_strt_chroma, VPIF_CH0_BTM_STRT_ADD_CHROMA); | 
|  | } | 
|  |  | 
|  | static inline void ch1_set_videobuf_addr(unsigned long top_strt_luma, | 
|  | unsigned long btm_strt_luma, | 
|  | unsigned long top_strt_chroma, | 
|  | unsigned long btm_strt_chroma) | 
|  | { | 
|  |  | 
|  | regw(top_strt_luma, VPIF_CH1_TOP_STRT_ADD_LUMA); | 
|  | regw(btm_strt_luma, VPIF_CH1_BTM_STRT_ADD_LUMA); | 
|  | regw(top_strt_chroma, VPIF_CH1_TOP_STRT_ADD_CHROMA); | 
|  | regw(btm_strt_chroma, VPIF_CH1_BTM_STRT_ADD_CHROMA); | 
|  | } | 
|  |  | 
|  | static inline void ch0_set_vbi_addr(unsigned long top_vbi, | 
|  | unsigned long btm_vbi, unsigned long a, unsigned long b) | 
|  | { | 
|  | regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_VANC); | 
|  | regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_VANC); | 
|  | } | 
|  |  | 
|  | static inline void ch0_set_hbi_addr(unsigned long top_vbi, | 
|  | unsigned long btm_vbi, unsigned long a, unsigned long b) | 
|  | { | 
|  | regw(top_vbi, VPIF_CH0_TOP_STRT_ADD_HANC); | 
|  | regw(btm_vbi, VPIF_CH0_BTM_STRT_ADD_HANC); | 
|  | } | 
|  |  | 
|  | static inline void ch1_set_vbi_addr(unsigned long top_vbi, | 
|  | unsigned long btm_vbi, unsigned long a, unsigned long b) | 
|  | { | 
|  | regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_VANC); | 
|  | regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_VANC); | 
|  | } | 
|  |  | 
|  | static inline void ch1_set_hbi_addr(unsigned long top_vbi, | 
|  | unsigned long btm_vbi, unsigned long a, unsigned long b) | 
|  | { | 
|  | regw(top_vbi, VPIF_CH1_TOP_STRT_ADD_HANC); | 
|  | regw(btm_vbi, VPIF_CH1_BTM_STRT_ADD_HANC); | 
|  | } | 
|  |  | 
|  | /* Inline function to enable raw vbi in the given channel */ | 
|  | static inline void disable_raw_feature(u8 channel_id, u8 index) | 
|  | { | 
|  | u32 ctrl_reg; | 
|  | if (0 == channel_id) | 
|  | ctrl_reg = VPIF_CH0_CTRL; | 
|  | else | 
|  | ctrl_reg = VPIF_CH1_CTRL; | 
|  |  | 
|  | if (1 == index) | 
|  | vpif_clr_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT); | 
|  | else | 
|  | vpif_clr_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT); | 
|  | } | 
|  |  | 
|  | static inline void enable_raw_feature(u8 channel_id, u8 index) | 
|  | { | 
|  | u32 ctrl_reg; | 
|  | if (0 == channel_id) | 
|  | ctrl_reg = VPIF_CH0_CTRL; | 
|  | else | 
|  | ctrl_reg = VPIF_CH1_CTRL; | 
|  |  | 
|  | if (1 == index) | 
|  | vpif_set_bit(ctrl_reg, VPIF_CH_VANC_EN_BIT); | 
|  | else | 
|  | vpif_set_bit(ctrl_reg, VPIF_CH_HANC_EN_BIT); | 
|  | } | 
|  |  | 
|  | /* inline function to enable/disable channel2 */ | 
|  | static inline void enable_channel2(int enable) | 
|  | { | 
|  | if (enable) { | 
|  | regw((regr(VPIF_CH2_CTRL) | (VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL); | 
|  | regw((regr(VPIF_CH2_CTRL) | (VPIF_CH2_EN)), VPIF_CH2_CTRL); | 
|  | } else { | 
|  | regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_CLK_EN)), VPIF_CH2_CTRL); | 
|  | regw((regr(VPIF_CH2_CTRL) & (~VPIF_CH2_EN)), VPIF_CH2_CTRL); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* inline function to enable/disable channel3 */ | 
|  | static inline void enable_channel3(int enable) | 
|  | { | 
|  | if (enable) { | 
|  | regw((regr(VPIF_CH3_CTRL) | (VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL); | 
|  | regw((regr(VPIF_CH3_CTRL) | (VPIF_CH3_EN)), VPIF_CH3_CTRL); | 
|  | } else { | 
|  | regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_CLK_EN)), VPIF_CH3_CTRL); | 
|  | regw((regr(VPIF_CH3_CTRL) & (~VPIF_CH3_EN)), VPIF_CH3_CTRL); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* inline function to enable interrupt for channel2 */ | 
|  | static inline void channel2_intr_enable(int enable) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&vpif_lock, flags); | 
|  |  | 
|  | if (enable) { | 
|  | regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); | 
|  | regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH2), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2), | 
|  | VPIF_INTEN_SET); | 
|  | } else { | 
|  | regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH2)), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH2), | 
|  | VPIF_INTEN_SET); | 
|  | } | 
|  | spin_unlock_irqrestore(&vpif_lock, flags); | 
|  | } | 
|  |  | 
|  | /* inline function to enable interrupt for channel3 */ | 
|  | static inline void channel3_intr_enable(int enable) | 
|  | { | 
|  | unsigned long flags; | 
|  |  | 
|  | spin_lock_irqsave(&vpif_lock, flags); | 
|  |  | 
|  | if (enable) { | 
|  | regw((regr(VPIF_INTEN) | 0x10), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | 0x10), VPIF_INTEN_SET); | 
|  |  | 
|  | regw((regr(VPIF_INTEN) | VPIF_INTEN_FRAME_CH3), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3), | 
|  | VPIF_INTEN_SET); | 
|  | } else { | 
|  | regw((regr(VPIF_INTEN) & (~VPIF_INTEN_FRAME_CH3)), VPIF_INTEN); | 
|  | regw((regr(VPIF_INTEN_SET) | VPIF_INTEN_FRAME_CH3), | 
|  | VPIF_INTEN_SET); | 
|  | } | 
|  | spin_unlock_irqrestore(&vpif_lock, flags); | 
|  | } | 
|  |  | 
|  | /* inline function to enable raw vbi data for channel2 */ | 
|  | static inline void channel2_raw_enable(int enable, u8 index) | 
|  | { | 
|  | u32 mask; | 
|  |  | 
|  | if (1 == index) | 
|  | mask = VPIF_CH_VANC_EN_BIT; | 
|  | else | 
|  | mask = VPIF_CH_HANC_EN_BIT; | 
|  |  | 
|  | if (enable) | 
|  | vpif_set_bit(VPIF_CH2_CTRL, mask); | 
|  | else | 
|  | vpif_clr_bit(VPIF_CH2_CTRL, mask); | 
|  | } | 
|  |  | 
|  | /* inline function to enable raw vbi data for channel3*/ | 
|  | static inline void channel3_raw_enable(int enable, u8 index) | 
|  | { | 
|  | u32 mask; | 
|  |  | 
|  | if (1 == index) | 
|  | mask = VPIF_CH_VANC_EN_BIT; | 
|  | else | 
|  | mask = VPIF_CH_HANC_EN_BIT; | 
|  |  | 
|  | if (enable) | 
|  | vpif_set_bit(VPIF_CH3_CTRL, mask); | 
|  | else | 
|  | vpif_clr_bit(VPIF_CH3_CTRL, mask); | 
|  | } | 
|  |  | 
|  | /* function to enable clipping (for both active and blanking regions) on ch 2 */ | 
|  | static inline void channel2_clipping_enable(int enable) | 
|  | { | 
|  | if (enable) { | 
|  | vpif_set_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ANC_EN); | 
|  | vpif_set_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ACTIVE_EN); | 
|  | } else { | 
|  | vpif_clr_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ANC_EN); | 
|  | vpif_clr_bit(VPIF_CH2_CTRL, VPIF_CH2_CLIP_ACTIVE_EN); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* function to enable clipping (for both active and blanking regions) on ch 3 */ | 
|  | static inline void channel3_clipping_enable(int enable) | 
|  | { | 
|  | if (enable) { | 
|  | vpif_set_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ANC_EN); | 
|  | vpif_set_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ACTIVE_EN); | 
|  | } else { | 
|  | vpif_clr_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ANC_EN); | 
|  | vpif_clr_bit(VPIF_CH3_CTRL, VPIF_CH3_CLIP_ACTIVE_EN); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* inline function to set buffer addresses in case of Y/C non mux mode */ | 
|  | static inline void 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) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA); | 
|  | regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA); | 
|  | regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA); | 
|  | regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA); | 
|  | } | 
|  |  | 
|  | /* inline function to set buffer addresses in VPIF registers for video data */ | 
|  | static inline void ch2_set_videobuf_addr(unsigned long top_strt_luma, | 
|  | unsigned long btm_strt_luma, | 
|  | unsigned long top_strt_chroma, | 
|  | unsigned long btm_strt_chroma) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_LUMA); | 
|  | regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_LUMA); | 
|  | regw(top_strt_chroma, VPIF_CH2_TOP_STRT_ADD_CHROMA); | 
|  | regw(btm_strt_chroma, VPIF_CH2_BTM_STRT_ADD_CHROMA); | 
|  | } | 
|  |  | 
|  | static inline void ch3_set_videobuf_addr(unsigned long top_strt_luma, | 
|  | unsigned long btm_strt_luma, | 
|  | unsigned long top_strt_chroma, | 
|  | unsigned long btm_strt_chroma) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_LUMA); | 
|  | regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_LUMA); | 
|  | regw(top_strt_chroma, VPIF_CH3_TOP_STRT_ADD_CHROMA); | 
|  | regw(btm_strt_chroma, VPIF_CH3_BTM_STRT_ADD_CHROMA); | 
|  | } | 
|  |  | 
|  | /* inline function to set buffer addresses in VPIF registers for vbi data */ | 
|  | static inline void ch2_set_vbi_addr(unsigned long top_strt_luma, | 
|  | unsigned long btm_strt_luma, | 
|  | unsigned long top_strt_chroma, | 
|  | unsigned long btm_strt_chroma) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH2_TOP_STRT_ADD_VANC); | 
|  | regw(btm_strt_luma, VPIF_CH2_BTM_STRT_ADD_VANC); | 
|  | } | 
|  |  | 
|  | static inline void ch3_set_vbi_addr(unsigned long top_strt_luma, | 
|  | unsigned long btm_strt_luma, | 
|  | unsigned long top_strt_chroma, | 
|  | unsigned long btm_strt_chroma) | 
|  | { | 
|  | regw(top_strt_luma, VPIF_CH3_TOP_STRT_ADD_VANC); | 
|  | regw(btm_strt_luma, VPIF_CH3_BTM_STRT_ADD_VANC); | 
|  | } | 
|  |  | 
|  | static inline int vpif_intr_status(int channel) | 
|  | { | 
|  | int status = 0; | 
|  | int mask; | 
|  |  | 
|  | if (channel < 0 || channel > 3) | 
|  | return 0; | 
|  |  | 
|  | mask = 1 << channel; | 
|  | status = regr(VPIF_STATUS) & mask; | 
|  | regw(status, VPIF_STATUS_CLR); | 
|  |  | 
|  | return status; | 
|  | } | 
|  |  | 
|  | #define VPIF_MAX_NAME	(30) | 
|  |  | 
|  | /* This structure will store size parameters as per the mode selected by user */ | 
|  | struct vpif_channel_config_params { | 
|  | char name[VPIF_MAX_NAME];	/* Name of the mode */ | 
|  | u16 width;			/* Indicates width of the image */ | 
|  | u16 height;			/* Indicates height of the image */ | 
|  | u8 frm_fmt;			/* Interlaced (0) or progressive (1) */ | 
|  | u8 ycmux_mode;			/* This mode requires one (0) or two (1) | 
|  | channels */ | 
|  | u16 eav2sav;			/* length of eav 2 sav */ | 
|  | u16 sav2eav;			/* length of sav 2 eav */ | 
|  | u16 l1, l3, l5, l7, l9, l11;	/* Other parameter configurations */ | 
|  | u16 vsize;			/* Vertical size of the image */ | 
|  | u8 capture_format;		/* Indicates whether capture format | 
|  | * is in BT or in CCD/CMOS */ | 
|  | u8  vbi_supported;		/* Indicates whether this mode | 
|  | * supports capturing vbi or not */ | 
|  | u8 hd_sd;			/* HDTV (1) or SDTV (0) format */ | 
|  | v4l2_std_id stdid;		/* SDTV format */ | 
|  | struct v4l2_dv_timings dv_timings;	/* HDTV format */ | 
|  | }; | 
|  |  | 
|  | extern const unsigned int vpif_ch_params_count; | 
|  | extern const struct vpif_channel_config_params vpif_ch_params[]; | 
|  |  | 
|  | struct vpif_video_params; | 
|  | struct vpif_params; | 
|  | struct vpif_vbi_params; | 
|  |  | 
|  | int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id); | 
|  | void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams, | 
|  | u8 channel_id); | 
|  | int vpif_channel_getfid(u8 channel_id); | 
|  |  | 
|  | enum data_size { | 
|  | _8BITS = 0, | 
|  | _10BITS, | 
|  | _12BITS, | 
|  | }; | 
|  |  | 
|  | /* Structure for vpif parameters for raw vbi data */ | 
|  | struct vpif_vbi_params { | 
|  | __u32 hstart0;  /* Horizontal start of raw vbi data for first field */ | 
|  | __u32 vstart0;  /* Vertical start of raw vbi data for first field */ | 
|  | __u32 hsize0;   /* Horizontal size of raw vbi data for first field */ | 
|  | __u32 vsize0;   /* Vertical size of raw vbi data for first field */ | 
|  | __u32 hstart1;  /* Horizontal start of raw vbi data for second field */ | 
|  | __u32 vstart1;  /* Vertical start of raw vbi data for second field */ | 
|  | __u32 hsize1;   /* Horizontal size of raw vbi data for second field */ | 
|  | __u32 vsize1;   /* Vertical size of raw vbi data for second field */ | 
|  | }; | 
|  |  | 
|  | /* structure for vpif parameters */ | 
|  | struct vpif_video_params { | 
|  | __u8 storage_mode;	/* Indicates field or frame mode */ | 
|  | unsigned long hpitch; | 
|  | v4l2_std_id stdid; | 
|  | }; | 
|  |  | 
|  | struct vpif_params { | 
|  | struct vpif_interface iface; | 
|  | struct vpif_video_params video_params; | 
|  | struct vpif_channel_config_params std_info; | 
|  | union param { | 
|  | struct vpif_vbi_params	vbi_params; | 
|  | enum data_size data_sz; | 
|  | } params; | 
|  | }; | 
|  |  | 
|  | #endif				/* End of #ifndef VPIF_H */ | 
|  |  |