--- /dev/null
+/*
+ * vpif - DM646x Video Port Interface driver
+ * VPIF is a receiver and transmitter for video data. It has two channels(0, 1)
+ * that receiveing video byte stream and two channels(2, 3) for video output.
+ * The hardware supports SDTV, HDTV formats, raw data capture.
+ * Currently, the driver supports NTSC and PAL standards.
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+#include "vpif.h"
+
+MODULE_DESCRIPTION("TI DaVinci Video Port Interface driver");
+MODULE_LICENSE("GPL");
+
+#define VPIF_CH0_MAX_MODES (22)
+#define VPIF_CH1_MAX_MODES (02)
+#define VPIF_CH2_MAX_MODES (15)
+#define VPIF_CH3_MAX_MODES (02)
+
+static inline void vpif_wr_bit(u32 reg, u32 bit, u32 val)
+{
+ if (val)
+ vpif_set_bit(reg, bit);
+ else
+ vpif_clr_bit(reg, bit);
+}
+
+/* This structure is used to keep track of VPIF size register's offsets */
+struct vpif_registers {
+ u32 h_cfg, v_cfg_00, v_cfg_01, v_cfg_02, v_cfg, ch_ctrl;
+ u32 line_offset, vanc0_strt, vanc0_size, vanc1_strt;
+ u32 vanc1_size, width_mask, len_mask;
+ u8 max_modes;
+};
+
+static const struct vpif_registers vpifregs[VPIF_NUM_CHANNELS] = {
+ /* Channel0 */
+ {
+ VPIF_CH0_H_CFG, VPIF_CH0_V_CFG_00, VPIF_CH0_V_CFG_01,
+ VPIF_CH0_V_CFG_02, VPIF_CH0_V_CFG_03, VPIF_CH0_CTRL,
+ VPIF_CH0_IMG_ADD_OFST, 0, 0, 0, 0, 0x1FFF, 0xFFF,
+ VPIF_CH0_MAX_MODES,
+ },
+ /* Channel1 */
+ {
+ VPIF_CH1_H_CFG, VPIF_CH1_V_CFG_00, VPIF_CH1_V_CFG_01,
+ VPIF_CH1_V_CFG_02, VPIF_CH1_V_CFG_03, VPIF_CH1_CTRL,
+ VPIF_CH1_IMG_ADD_OFST, 0, 0, 0, 0, 0x1FFF, 0xFFF,
+ VPIF_CH1_MAX_MODES,
+ },
+ /* Channel2 */
+ {
+ VPIF_CH2_H_CFG, VPIF_CH2_V_CFG_00, VPIF_CH2_V_CFG_01,
+ VPIF_CH2_V_CFG_02, VPIF_CH2_V_CFG_03, VPIF_CH2_CTRL,
+ VPIF_CH2_IMG_ADD_OFST, VPIF_CH2_VANC0_STRT, VPIF_CH2_VANC0_SIZE,
+ VPIF_CH2_VANC1_STRT, VPIF_CH2_VANC1_SIZE, 0x7FF, 0x7FF,
+ VPIF_CH2_MAX_MODES
+ },
+ /* Channel3 */
+ {
+ VPIF_CH3_H_CFG, VPIF_CH3_V_CFG_00, VPIF_CH3_V_CFG_01,
+ VPIF_CH3_V_CFG_02, VPIF_CH3_V_CFG_03, VPIF_CH3_CTRL,
+ VPIF_CH3_IMG_ADD_OFST, VPIF_CH3_VANC0_STRT, VPIF_CH3_VANC0_SIZE,
+ VPIF_CH3_VANC1_STRT, VPIF_CH3_VANC1_SIZE, 0x7FF, 0x7FF,
+ VPIF_CH3_MAX_MODES
+ },
+};
+
+/* vpif_set_mode_info:
+ * This function is used to set horizontal and vertical config parameters
+ * As per the standard in the channel, configure the values of L1, L3,
+ * L5, L7 L9, L11 in VPIF Register , also write width and height
+ */
+static void vpif_set_mode_info(const struct vpif_channel_config_params *config,
+ u8 channel_id, u8 config_channel_id)
+{
+ u32 value;
+
+ value = (config->eav2sav & vpifregs[config_channel_id].width_mask);
+ value <<= VPIF_CH_LEN_SHIFT;
+ value |= (config->sav2eav & vpifregs[config_channel_id].width_mask);
+ regw(value, vpifregs[channel_id].h_cfg);
+
+ value = (config->l1 & vpifregs[config_channel_id].len_mask);
+ value <<= VPIF_CH_LEN_SHIFT;
+ value |= (config->l3 & vpifregs[config_channel_id].len_mask);
+ regw(value, vpifregs[channel_id].v_cfg_00);
+
+ value = (config->l5 & vpifregs[config_channel_id].len_mask);
+ value <<= VPIF_CH_LEN_SHIFT;
+ value |= (config->l7 & vpifregs[config_channel_id].len_mask);
+ regw(value, vpifregs[channel_id].v_cfg_01);
+
+ value = (config->l9 & vpifregs[config_channel_id].len_mask);
+ value <<= VPIF_CH_LEN_SHIFT;
+ value |= (config->l11 & vpifregs[config_channel_id].len_mask);
+ regw(value, vpifregs[channel_id].v_cfg_02);
+
+ value = (config->vsize & vpifregs[config_channel_id].len_mask);
+ regw(value, vpifregs[channel_id].v_cfg);
+}
+
+/* config_vpif_params
+ * Function to set the parameters of a channel
+ * Mainly modifies the channel ciontrol register
+ * It sets frame format, yc mux mode
+ */
+static void config_vpif_params(struct vpif_params *vpifparams,
+ u8 channel_id, u8 found)
+{
+ const struct vpif_channel_config_params *config = &vpifparams->std_info;
+ u32 value, ch_nip, reg;
+ u8 start, end;
+ int i;
+
+ start = channel_id;
+ end = channel_id + found;
+
+ for (i = start; i < end; i++) {
+ reg = vpifregs[i].ch_ctrl;
+ if (channel_id < 2)
+ ch_nip = VPIF_CAPTURE_CH_NIP;
+ else
+ ch_nip = VPIF_DISPLAY_CH_NIP;
+
+ vpif_wr_bit(reg, ch_nip, config->frm_fmt);
+ vpif_wr_bit(reg, VPIF_CH_YC_MUX_BIT, config->ycmux_mode);
+ vpif_wr_bit(reg, VPIF_CH_INPUT_FIELD_FRAME_BIT,
+ vpifparams->video_params.storage_mode);
+
+ /* Set raster scanning SDR Format */
+ vpif_clr_bit(reg, VPIF_CH_SDR_FMT_BIT);
+ vpif_wr_bit(reg, VPIF_CH_DATA_MODE_BIT, config->capture_format);
+
+ if (channel_id > 1) /* Set the Pixel enable bit */
+ vpif_set_bit(reg, VPIF_DISPLAY_PIX_EN_BIT);
+ else if (config->capture_format) {
+ /* Set the polarity of various pins */
+ vpif_wr_bit(reg, VPIF_CH_FID_POLARITY_BIT,
+ vpifparams->params.raw_params.fid_pol);
+ vpif_wr_bit(reg, VPIF_CH_V_VALID_POLARITY_BIT,
+ vpifparams->params.raw_params.vd_pol);
+ vpif_wr_bit(reg, VPIF_CH_H_VALID_POLARITY_BIT,
+ vpifparams->params.raw_params.hd_pol);
+
+ value = regr(reg);
+ /* Set data width */
+ value &= ((~(unsigned int)(0x3)) <<
+ VPIF_CH_DATA_WIDTH_BIT);
+ value |= ((vpifparams->params.raw_params.data_sz) <<
+ VPIF_CH_DATA_WIDTH_BIT);
+ regw(value, reg);
+ }
+
+ /* Write the pitch in the driver */
+ regw((vpifparams->video_params.hpitch),
+ vpifregs[i].line_offset);
+ }
+}
+
+/* vpif_set_video_params
+ * This function is used to set video parameters in VPIF register
+ */
+int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id)
+{
+ const struct vpif_channel_config_params *config = &vpifparams->std_info;
+ int found = 1;
+
+ vpif_set_mode_info(config, channel_id, channel_id);
+ if (!config->ycmux_mode) {
+ /* YC are on separate channels (HDTV formats) */
+ vpif_set_mode_info(config, channel_id + 1, channel_id);
+ found = 2;
+ }
+
+ config_vpif_params(vpifparams, channel_id, found);
+
+ regw(0x80, VPIF_REQ_SIZE);
+ regw(0x01, VPIF_EMULATION_CTRL);
+
+ return found;
+}
+EXPORT_SYMBOL(vpif_set_video_params);
+
+void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams,
+ u8 channel_id)
+{
+ u32 value;
+
+ value = 0x3F8 & (vbiparams->hstart0);
+ value |= 0x3FFFFFF & ((vbiparams->vstart0) << 16);
+ regw(value, vpifregs[channel_id].vanc0_strt);
+
+ value = 0x3F8 & (vbiparams->hstart1);
+ value |= 0x3FFFFFF & ((vbiparams->vstart1) << 16);
+ regw(value, vpifregs[channel_id].vanc1_strt);
+
+ value = 0x3F8 & (vbiparams->hsize0);
+ value |= 0x3FFFFFF & ((vbiparams->vsize0) << 16);
+ regw(value, vpifregs[channel_id].vanc0_size);
+
+ value = 0x3F8 & (vbiparams->hsize1);
+ value |= 0x3FFFFFF & ((vbiparams->vsize1) << 16);
+ regw(value, vpifregs[channel_id].vanc1_size);
+
+}
+EXPORT_SYMBOL(vpif_set_vbi_display_params);
+
+int vpif_channel_getfid(u8 channel_id)
+{
+ return (regr(vpifregs[channel_id].ch_ctrl) & VPIF_CH_FID_MASK)
+ >> VPIF_CH_FID_SHIFT;
+}
+EXPORT_SYMBOL(vpif_channel_getfid);
+
+void vpif_base_addr_init(void __iomem *base)
+{
+ vpif_base = base;
+}
+EXPORT_SYMBOL(vpif_base_addr_init);
--- /dev/null
+/*
+ * 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 <mach/hardware.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 */
+static void __iomem *vpif_base;
+#define regr(reg) readl((reg) + vpif_base)
+#define regw(value, reg) writel(value, (reg + vpif_base))
+
+/* Register Addresss 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)
+
+/* 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)
+{
+ 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);
+ }
+}
+
+/* inline function to enable interrupt for channel1 */
+static inline void channel1_intr_enable(int enable)
+{
+ 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);
+ }
+}
+
+/* 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)
+{
+ 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);
+ }
+}
+
+/* inline function to enable interrupt for channel3 */
+static inline void channel3_intr_enable(int enable)
+{
+ 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);
+ }
+}
+
+/* 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);
+}
+
+/* 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);
+}
+
+#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 fps;
+ u8 frm_fmt; /* Indicates whether this is interlaced
+ * or progressive format */
+ u8 ycmux_mode; /* Indicates whether this mode requires
+ * single or two channels */
+ u16 eav2sav; /* length of sav 2 eav */
+ 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;
+ v4l2_std_id stdid;
+};
+
+struct vpif_interface;
+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);
+void vpif_base_addr_init(void __iomem *base);
+
+/* Enumerated data types */
+enum vpif_capture_pinpol {
+ VPIF_CAPTURE_PINPOL_SAME = 0,
+ VPIF_CAPTURE_PINPOL_INVERT = 1
+};
+
+enum data_size {
+ _8BITS = 0,
+ _10BITS,
+ _12BITS,
+};
+
+struct vpif_capture_params_raw {
+ enum data_size data_sz;
+ enum vpif_capture_pinpol fid_pol;
+ enum vpif_capture_pinpol vd_pol;
+ enum vpif_capture_pinpol hd_pol;
+};
+
+/* 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_interface {
+ __u8 storage_mode; /* Indicates field or frame mode */
+ unsigned long hpitch;
+ v4l2_std_id stdid;
+};
+
+struct vpif_params {
+ struct vpif_interface video_params;
+ struct vpif_channel_config_params std_info;
+ union param {
+ struct vpif_vbi_params vbi_params;
+ struct vpif_capture_params_raw raw_params;
+ } params;
+};
+
+#endif /* End of #ifndef VPIF_H */
+
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff