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/*
* VPIF header file
*
* Copyright (C) 2009 Texas Instruments Incorporated - http://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 */
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