new file mode 100644
@@ -0,0 +1,1424 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Inc
+ *
+ * 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 in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Contributors:
+ * Manjunath Hadli <manjunath.hadli@ti.com>
+ * Prabhakar Lad <prabhakar.lad@ti.com>
+ */
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/videodev2.h>
+#include <linux/platform_device.h>
+
+#include <mach/mux.h>
+
+#include <media/davinci/vpfe_types.h>
+#include <media/davinci/vpss.h>
+
+#include "dm365_ccdc.h"
+#include "ccdc_hw_device.h"
+#include "dm365_ccdc_regs.h"
+
+static struct device *dev;
+
+/* Defauts for module configuation paramaters */
+static struct ccdc_config_params_raw ccdc_config_defaults = {
+ .linearize = {
+ .corr_shft = CCDC_NO_SHIFT,
+ .scale_fact = {1, 0},
+ },
+ .culling = {
+ .hcpat_odd = 0xff,
+ .hcpat_even = 0xff,
+ .vcpat = 0xff
+ },
+};
+
+static struct ccdc_gain_values ccdc_gain_params;
+static unsigned char ccdc_test_pat_gen;
+
+/* ISIF operation configuration */
+struct ccdc_oper_config {
+ enum v4l2_mbus_pixelcode if_type;
+ struct ccdc_ycbcr_config ycbcr;
+ struct ccdc_params_raw bayer;
+ enum ccdc_data_pack data_pack;
+ void *__iomem base_addr;
+ void *__iomem linear_tbl0_addr;
+ void *__iomem linear_tbl1_addr;
+};
+
+static struct ccdc_oper_config ccdc_cfg = {
+ .ycbcr = {
+ .v4l2_pix_fmt = V4L2_PIX_FMT_UYVY,
+ .pix_fmt = CCDC_PIXFMT_YCBCR_8BIT,
+ .frm_fmt = CCDC_FRMFMT_INTERLACED,
+ .win = CCDC_WIN_NTSC,
+ .fid_pol = VPFE_PINPOL_POSITIVE,
+ .vd_pol = VPFE_PINPOL_POSITIVE,
+ .hd_pol = VPFE_PINPOL_POSITIVE,
+ .pix_order = CCDC_PIXORDER_CBYCRY,
+ .buf_type = CCDC_BUFTYPE_FLD_INTERLEAVED,
+ },
+ .bayer = {
+ .v4l2_pix_fmt = V4L2_PIX_FMT_SGRBG10ALAW8,
+ .pix_fmt = CCDC_PIXFMT_RAW,
+ .frm_fmt = CCDC_FRMFMT_PROGRESSIVE,
+ .win = CCDC_WIN_VGA,
+ .fid_pol = VPFE_PINPOL_POSITIVE,
+ .vd_pol = VPFE_PINPOL_POSITIVE,
+ .hd_pol = VPFE_PINPOL_POSITIVE,
+ .gain = {
+ .r_ye = {1, 0},
+ .gr_cy = {1, 0},
+ .gb_g = {1, 0},
+ .b_mg = {1, 0},
+ },
+ .cfa_pat = CCDC_CFA_PAT_MOSAIC,
+ .data_msb = CCDC_BIT_MSB_11,
+ },
+ .data_pack = CCDC_DATA_PACK8,
+};
+
+/* Raw Bayer formats */
+static u32 ccdc_raw_bayer_pix_formats[] = { V4L2_PIX_FMT_SGRBG10ALAW8,
+ V4L2_PIX_FMT_SGRBG10DPCM8,
+ V4L2_PIX_FMT_SBGGR16 };
+
+/* Raw YUV formats */
+static u32 ccdc_raw_yuv_pix_formats[] = { V4L2_PIX_FMT_UYVY,
+ V4L2_PIX_FMT_YUYV };
+
+/* register access routines */
+static inline u32 regr(u32 offset)
+{
+ return readl(ccdc_cfg.base_addr + offset);
+}
+
+static inline void regw(u32 val, u32 offset)
+{
+ writel(val, ccdc_cfg.base_addr + offset);
+}
+
+static inline u32 ccdc_merge(u32 mask, u32 val, u32 offset)
+{
+ u32 new_val = (regr(offset) & ~mask) | (val & mask);
+
+ regw(new_val, offset);
+
+ return new_val;
+}
+
+static inline void regw_lin_tbl(u32 val, u32 offset, int i)
+{
+ if (!i)
+ writel(val, ccdc_cfg.linear_tbl0_addr + offset);
+ else
+ writel(val, ccdc_cfg.linear_tbl1_addr + offset);
+}
+
+static void ccdc_disable_all_modules(void)
+{
+ /* disable BC */
+ regw(0, CLAMPCFG);
+ /* disable vdfc */
+ regw(0, DFCCTL);
+ /* disable CSC */
+ regw(0, CSCCTL);
+ /* disable linearization */
+ regw(0, LINCFG0);
+ /* disable other modules here as they are supported */
+}
+
+static void ccdc_enable(int en)
+{
+ if (!en) {
+ /* Before disable isif, disable all ISIF modules */
+ ccdc_disable_all_modules();
+ /**
+ * wait for next VD. Assume lowest scan rate is 12 Hz. So
+ * 100 msec delay is good enough
+ */
+ }
+ msleep(100);
+ ccdc_merge(CCDC_SYNCEN_VDHDEN_MASK, en, SYNCEN);
+}
+
+static void ccdc_enable_output_to_sdram(int en)
+{
+ ccdc_merge(CCDC_SYNCEN_WEN_MASK, en << CCDC_SYNCEN_WEN_SHIFT, SYNCEN);
+}
+
+static void ccdc_config_culling(struct ccdc_cul *cul)
+{
+ u32 val;
+
+ /* Horizontal pattern */
+ val = cul->hcpat_even << CULL_PAT_EVEN_LINE_SHIFT;
+ val |= cul->hcpat_odd;
+ regw(val, CULH);
+
+ /* vertical pattern */
+ regw(cul->vcpat, CULV);
+
+ /* LPF */
+ ccdc_merge((CCDC_LPF_MASK << CCDC_LPF_SHIFT),
+ (cul->en_lpf << CCDC_LPF_SHIFT), MODESET);
+}
+
+static void ccdc_config_gain_offset(void)
+{
+ struct ccdc_gain_offsets_adj *gain_off_ptr =
+ &ccdc_cfg.bayer.config_params.gain_offset;
+ u32 val;
+
+ val = ((gain_off_ptr->gain_sdram_en & 1) << GAIN_SDRAM_EN_SHIFT) |
+ ((gain_off_ptr->gain_ipipe_en & 1) << GAIN_IPIPE_EN_SHIFT) |
+ ((gain_off_ptr->gain_h3a_en & 1) << GAIN_H3A_EN_SHIFT) |
+ ((gain_off_ptr->offset_sdram_en & 1) << OFST_SDRAM_EN_SHIFT) |
+ ((gain_off_ptr->offset_ipipe_en & 1) << OFST_IPIPE_EN_SHIFT) |
+ ((gain_off_ptr->offset_h3a_en & 1) << OFST_H3A_EN_SHIFT);
+
+ ccdc_merge(GAIN_OFFSET_EN_MASK, val, CGAMMAWD);
+
+ regw(ccdc_gain_params.cr_gain, CRGAIN);
+ regw(ccdc_gain_params.cgr_gain, CGRGAIN);
+ regw(ccdc_gain_params.cgb_gain, CGBGAIN);
+ regw(ccdc_gain_params.cb_gain, CBGAIN);
+ regw((ccdc_gain_params.offset & OFFSET_MASK), COFSTA);
+
+}
+
+static void ccdc_restore_defaults(void)
+{
+ enum vpss_ccdc_source_sel source = VPSS_CCDCIN;
+ int i;
+
+ memcpy(&ccdc_cfg.bayer.config_params, &ccdc_config_defaults,
+ sizeof(struct ccdc_config_params_raw));
+
+ dev_dbg(dev, "ccdc_restore_defaults...\n");
+ /* Enable clock to ISIF, IPIPEIF and BL */
+ vpss_enable_clock(VPSS_CCDC_CLOCK, 1);
+ vpss_enable_clock(VPSS_IPIPEIF_CLOCK, 1);
+ vpss_enable_clock(VPSS_BL_CLOCK, 1);
+
+ /* set all registers to default value */
+ for (i = 0; i <= 0x1f8; i += 4)
+ regw(0, i);
+ /* no culling support */
+ regw(0xffff, CULH);
+ regw(0xff, CULV);
+
+ /* Set default offset and gain */
+ ccdc_config_gain_offset();
+ vpss_select_ccdc_source(source);
+}
+
+static int ccdc_open(struct device *device)
+{
+ dev = device;
+ ccdc_restore_defaults();
+ return 0;
+}
+
+/* This function will configure the window size to be capture in CCDC reg */
+static void ccdc_setwin(struct v4l2_rect *image_win,
+ enum ccdc_frmfmt frm_fmt, int ppc, int mode)
+{
+ int horz_nr_pixels;
+ int vert_nr_lines;
+ int horz_start;
+ int vert_start;
+ int mid_img;
+
+ dev_dbg(dev, "ccdc_setwin...\n");
+ /**
+ * ppc - per pixel count. indicates how many pixels per cell
+ * output to SDRAM. example, for ycbcr, it is one y and one c, so 2.
+ * raw capture this is 1
+ */
+ horz_start = image_win->left << (ppc - 1);
+ horz_nr_pixels = (image_win->width << (ppc - 1)) - 1;
+
+ /* Writing the horizontal info into the registers */
+ regw(horz_start & START_PX_HOR_MASK, SPH);
+ regw(horz_nr_pixels & NUM_PX_HOR_MASK, LNH);
+ vert_start = image_win->top;
+
+ if (frm_fmt == CCDC_FRMFMT_INTERLACED) {
+ vert_nr_lines = (image_win->height >> 1) - 1;
+ vert_start >>= 1;
+ /* To account for VD since line 0 doesn't have any data */
+ vert_start += 1;
+ } else {
+ /* To account for VD since line 0 doesn't have any data */
+ vert_start += 1;
+ vert_nr_lines = image_win->height - 1;
+ /* configure VDINT0 and VDINT1 */
+ mid_img = vert_start + (image_win->height / 2);
+ regw(mid_img, VDINT1);
+ }
+
+ if (!mode)
+ regw(0, VDINT0);
+ else
+ regw(vert_nr_lines, VDINT0);
+ regw(vert_start & START_VER_ONE_MASK, SLV0);
+ regw(vert_start & START_VER_TWO_MASK, SLV1);
+ regw(vert_nr_lines & NUM_LINES_VER, LNV);
+}
+
+static void ccdc_config_bclamp(struct ccdc_black_clamp *bc)
+{
+ u32 val;
+
+ /**
+ * DC Offset is always added to image data irrespective of bc enable
+ * status
+ */
+ val = bc->dc_offset & CCDC_BC_DCOFFSET_MASK;
+ regw(val, CLDCOFST);
+
+ if (!bc->en)
+ return;
+
+ val = (bc->bc_mode_color & CCDC_BC_MODE_COLOR_MASK) <<
+ CCDC_BC_MODE_COLOR_SHIFT;
+
+ /* Enable BC and horizontal clamp caculation paramaters */
+ val = val | 1 | ((bc->horz.mode & CCDC_HORZ_BC_MODE_MASK) <<
+ CCDC_HORZ_BC_MODE_SHIFT);
+
+ regw(val, CLAMPCFG);
+
+ if (bc->horz.mode != CCDC_HORZ_BC_DISABLE) {
+ /**
+ * Window count for calculation
+ * Base window selection
+ * pixel limit
+ * Horizontal size of window
+ * vertical size of the window
+ * Horizontal start position of the window
+ * Vertical start position of the window
+ */
+ val = (bc->horz.win_count_calc & CCDC_HORZ_BC_WIN_COUNT_MASK) |
+ ((bc->horz.base_win_sel_calc & 1) <<
+ CCDC_HORZ_BC_WIN_SEL_SHIFT) |
+ ((bc->horz.clamp_pix_limit & 1) <<
+ CCDC_HORZ_BC_PIX_LIMIT_SHIFT) |
+ ((bc->horz.win_h_sz_calc &
+ CCDC_HORZ_BC_WIN_H_SIZE_MASK) <<
+ CCDC_HORZ_BC_WIN_H_SIZE_SHIFT) |
+ ((bc->horz.win_v_sz_calc &
+ CCDC_HORZ_BC_WIN_V_SIZE_MASK) <<
+ CCDC_HORZ_BC_WIN_V_SIZE_SHIFT);
+
+ regw(val, CLHWIN0);
+
+ val = bc->horz.win_start_h_calc & CCDC_HORZ_BC_WIN_START_H_MASK;
+ regw(val, CLHWIN1);
+
+ val = bc->horz.win_start_v_calc & CCDC_HORZ_BC_WIN_START_V_MASK;
+ regw(val, CLHWIN2);
+ }
+
+ /* vertical clamp caculation paramaters */
+
+ /* OB H Valid */
+ val = bc->vert.ob_h_sz_calc & CCDC_VERT_BC_OB_H_SZ_MASK;
+
+ /* Reset clamp value sel for previous line */
+ val |= (bc->vert.reset_val_sel & CCDC_VERT_BC_RST_VAL_SEL_MASK) <<
+ CCDC_VERT_BC_RST_VAL_SEL_SHIFT;
+
+ /* Line average coefficient */
+ val |= bc->vert.line_ave_coef << CCDC_VERT_BC_LINE_AVE_COEF_SHIFT;
+ regw(val, CLVWIN0);
+
+ /* Configured reset value */
+ if (bc->vert.reset_val_sel == CCDC_VERT_BC_USE_CONFIG_CLAMP_VAL) {
+ val = bc->vert.reset_clamp_val & CCDC_VERT_BC_RST_VAL_MASK;
+ regw(val, CLVRV);
+ }
+
+ /* Optical Black horizontal start position */
+ val = bc->vert.ob_start_h & CCDC_VERT_BC_OB_START_HORZ_MASK;
+ regw(val, CLVWIN1);
+
+ /* Optical Black vertical start position */
+ val = bc->vert.ob_start_v & CCDC_VERT_BC_OB_START_VERT_MASK;
+ regw(val, CLVWIN2);
+
+ val = bc->vert.ob_v_sz_calc & CCDC_VERT_BC_OB_VERT_SZ_MASK;
+ regw(val, CLVWIN3);
+
+ /* Vertical start position for BC subtraction */
+ val = bc->vert_start_sub & CCDC_BC_VERT_START_SUB_V_MASK;
+ regw(val, CLSV);
+}
+
+static void ccdc_config_linearization(struct ccdc_linearize *linearize)
+{
+ u32 val;
+ u32 i;
+
+ if (!linearize->en) {
+ regw(0, LINCFG0);
+ return;
+ }
+
+ /* shift value for correction */
+ val = (linearize->corr_shft & CCDC_LIN_CORRSFT_MASK) <<
+ CCDC_LIN_CORRSFT_SHIFT;
+ /* enable */
+ val |= 1;
+ regw(val, LINCFG0);
+
+ /* Scale factor */
+ val = (linearize->scale_fact.integer & 1) <<
+ CCDC_LIN_SCALE_FACT_INTEG_SHIFT;
+ val |= linearize->scale_fact.decimal & CCDC_LIN_SCALE_FACT_DECIMAL_MASK;
+ regw(val, LINCFG1);
+
+ for (i = 0; i < CCDC_LINEAR_TAB_SIZE; i++) {
+ val = linearize->table[i] & CCDC_LIN_ENTRY_MASK;
+ if (i%2)
+ regw_lin_tbl(val, ((i >> 1) << 2), 1);
+ else
+ regw_lin_tbl(val, ((i >> 1) << 2), 0);
+ }
+}
+
+static void ccdc_config_dfc(struct ccdc_dfc *vdfc)
+{
+#define DFC_WRITE_WAIT_COUNT 1000
+ u32 count = DFC_WRITE_WAIT_COUNT;
+ u32 val;
+ int i;
+
+ if (!vdfc->en)
+ return;
+
+ /* Correction mode */
+ val = (vdfc->corr_mode & CCDC_VDFC_CORR_MOD_MASK) <<
+ CCDC_VDFC_CORR_MOD_SHIFT;
+
+ /* Correct whole line or partial */
+ if (vdfc->corr_whole_line)
+ val |= 1 << CCDC_VDFC_CORR_WHOLE_LN_SHIFT;
+
+ /* level shift value */
+ val |= (vdfc->def_level_shift & CCDC_VDFC_LEVEL_SHFT_MASK) <<
+ CCDC_VDFC_LEVEL_SHFT_SHIFT;
+
+ regw(val, DFCCTL);
+
+ /* Defect saturation level */
+ val = vdfc->def_sat_level & CCDC_VDFC_SAT_LEVEL_MASK;
+ regw(val, VDFSATLV);
+
+ regw(vdfc->table[0].pos_vert & CCDC_VDFC_POS_MASK, DFCMEM0);
+ regw(vdfc->table[0].pos_horz & CCDC_VDFC_POS_MASK, DFCMEM1);
+ if (vdfc->corr_mode == CCDC_VDFC_NORMAL ||
+ vdfc->corr_mode == CCDC_VDFC_HORZ_INTERPOL_IF_SAT) {
+ regw(vdfc->table[0].level_at_pos, DFCMEM2);
+ regw(vdfc->table[0].level_up_pixels, DFCMEM3);
+ regw(vdfc->table[0].level_low_pixels, DFCMEM4);
+ }
+
+ val = regr(DFCMEMCTL);
+ /* set DFCMARST and set DFCMWR */
+ val |= 1 << CCDC_DFCMEMCTL_DFCMARST_SHIFT;
+ val |= 1;
+ regw(val, DFCMEMCTL);
+
+ while (count && (regr(DFCMEMCTL) & 0x01))
+ count--;
+
+ val = regr(DFCMEMCTL);
+ if (!count) {
+ dev_dbg(dev, "defect table write timeout !!\n");
+ return;
+ }
+
+ for (i = 1; i < vdfc->num_vdefects; i++) {
+ regw(vdfc->table[i].pos_vert & CCDC_VDFC_POS_MASK, DFCMEM0);
+ regw(vdfc->table[i].pos_horz & CCDC_VDFC_POS_MASK, DFCMEM1);
+ if (vdfc->corr_mode == CCDC_VDFC_NORMAL ||
+ vdfc->corr_mode == CCDC_VDFC_HORZ_INTERPOL_IF_SAT) {
+ regw(vdfc->table[i].level_at_pos, DFCMEM2);
+ regw(vdfc->table[i].level_up_pixels, DFCMEM3);
+ regw(vdfc->table[i].level_low_pixels, DFCMEM4);
+ }
+ val = regr(DFCMEMCTL);
+ /* clear DFCMARST and set DFCMWR */
+ val &= ~(1 << CCDC_DFCMEMCTL_DFCMARST_SHIFT);
+ val |= 1;
+ regw(val, DFCMEMCTL);
+
+ count = DFC_WRITE_WAIT_COUNT;
+ while (count && (regr(DFCMEMCTL) & 0x01))
+ count--;
+
+ val = regr(DFCMEMCTL);
+ if (!count) {
+ dev_err(dev, "defect table write timeout !!\n");
+ return;
+ }
+ }
+ if (vdfc->num_vdefects < CCDC_VDFC_TABLE_SIZE) {
+ /* Extra cycle needed */
+ regw(0, DFCMEM0);
+ regw(0x1FFF, DFCMEM1);
+ val = 1;
+ regw(val, DFCMEMCTL);
+ }
+
+ /* enable VDFC */
+ ccdc_merge((1 << CCDC_VDFC_EN_SHIFT), (1 << CCDC_VDFC_EN_SHIFT),
+ DFCCTL);
+
+ ccdc_merge((1 << CCDC_VDFC_EN_SHIFT), (0 << CCDC_VDFC_EN_SHIFT),
+ DFCCTL);
+
+ regw(0x6, DFCMEMCTL);
+ for (i = 0 ; i < vdfc->num_vdefects; i++) {
+ count = DFC_WRITE_WAIT_COUNT;
+ while (count && (regr(DFCMEMCTL) & 0x2))
+ count--;
+
+ val = regr(DFCMEMCTL);
+ if (!count) {
+ dev_err(dev, "defect table write timeout !!\n");
+ return;
+ }
+
+ val = regr(DFCMEM0) | regr(DFCMEM1) | regr(DFCMEM2) |
+ regr(DFCMEM3) | regr(DFCMEM4);
+ regw(0x2, DFCMEMCTL);
+ }
+}
+
+static void ccdc_config_csc(struct ccdc_df_csc *df_csc)
+{
+ u32 val1;
+ u32 val2;
+ u32 i;
+
+ if (!df_csc->csc.en) {
+ regw(0, CSCCTL);
+ return;
+ }
+
+ /* initialize all bits to 0 */
+ val1 = 0;
+
+ for (i = 0; i < CCDC_CSC_NUM_COEFF; i++) {
+ if ((i % 2) == 0) {
+ /* CSCM - LSB */
+ val1 = ((df_csc->csc.coeff[i].integer &
+ CCDC_CSC_COEF_INTEG_MASK) <<
+ CCDC_CSC_COEF_INTEG_SHIFT) |
+ ((df_csc->csc.coeff[i].decimal &
+ CCDC_CSC_COEF_DECIMAL_MASK));
+ } else {
+
+ /* CSCM - MSB */
+ val2 = ((df_csc->csc.coeff[i].integer &
+ CCDC_CSC_COEF_INTEG_MASK) <<
+ CCDC_CSC_COEF_INTEG_SHIFT) |
+ ((df_csc->csc.coeff[i].decimal &
+ CCDC_CSC_COEF_DECIMAL_MASK));
+ val2 <<= CCDC_CSCM_MSB_SHIFT;
+ val2 |= val1;
+ regw(val2, (CSCM0 + ((i-1) << 1)));
+ }
+ }
+
+ /* program the active area */
+ regw(df_csc->start_pix & CCDC_DF_CSC_SPH_MASK, FMTSPH);
+ /**
+ * one extra pixel as required for CSC. Actually number of
+ * pixel - 1 should be configured in this register. So we
+ * need to subtract 1 before writing to FMTSPH, but we will
+ * not do this since csc requires one extra pixel
+ */
+ regw((df_csc->num_pixels) & CCDC_DF_CSC_SPH_MASK, FMTLNH);
+ regw(df_csc->start_line & CCDC_DF_CSC_SPH_MASK, FMTSLV);
+ /**
+ * one extra line as required for CSC. See reason documented for
+ * num_pixels
+ */
+ regw((df_csc->num_lines) & CCDC_DF_CSC_SPH_MASK, FMTLNV);
+
+ /* Enable CSC */
+ regw(1, CSCCTL);
+}
+
+static int ccdc_config_raw(int mode)
+{
+ struct ccdc_params_raw *params = &ccdc_cfg.bayer;
+ struct ccdc_config_params_raw *module_params =
+ &ccdc_cfg.bayer.config_params;
+ struct vpss_pg_frame_size frame_size;
+ struct vpss_sync_pol sync;
+ u32 val;
+
+ dev_dbg(dev, "ccdc_config_raw..\n");
+
+ /* In case of user has set BT656IF earlier, it should be reset
+ when configuring for raw input.
+ */
+ regw(0, REC656IF);
+
+ /* Configure CCDCFG register */
+
+ /**
+ * Set CCD Not to swap input since input is RAW data
+ * Set FID detection function to Latch at V-Sync
+ * Set WENLOG - ccdc valid area
+ * Set TRGSEL
+ * Set EXTRG
+ * Packed to 8 or 16 bits
+ */
+
+ val = CCDC_YCINSWP_RAW | CCDC_CCDCFG_FIDMD_LATCH_VSYNC |
+ CCDC_CCDCFG_WENLOG_AND | CCDC_CCDCFG_TRGSEL_WEN |
+ CCDC_CCDCFG_EXTRG_DISABLE | (ccdc_cfg.data_pack &
+ CCDC_DATA_PACK_MASK);
+
+ dev_dbg(dev, "Writing 0x%x to ...CCDCFG\n", val);
+ regw(val, CCDCFG);
+
+ /**
+ * Configure the vertical sync polarity(MODESET.VDPOL)
+ * Configure the horizontal sync polarity (MODESET.HDPOL)
+ * Configure frame id polarity (MODESET.FLDPOL)
+ * Configure data polarity
+ * Configure External WEN Selection
+ * Configure frame format(progressive or interlace)
+ * Configure pixel format (Input mode)
+ * Configure the data shift
+ */
+
+ val = CCDC_VDHDOUT_INPUT | ((params->vd_pol & CCDC_VD_POL_MASK) <<
+ CCDC_VD_POL_SHIFT) | ((params->hd_pol & CCDC_HD_POL_MASK) <<
+ CCDC_HD_POL_SHIFT) | ((params->fid_pol & CCDC_FID_POL_MASK) <<
+ CCDC_FID_POL_SHIFT) | ((CCDC_DATAPOL_NORMAL &
+ CCDC_DATAPOL_MASK) << CCDC_DATAPOL_SHIFT) | ((CCDC_EXWEN_DISABLE &
+ CCDC_EXWEN_MASK) << CCDC_EXWEN_SHIFT) | ((params->frm_fmt &
+ CCDC_FRM_FMT_MASK) << CCDC_FRM_FMT_SHIFT) | ((params->pix_fmt &
+ CCDC_INPUT_MASK) << CCDC_INPUT_SHIFT);
+
+ /* currently only V4L2_MBUS_FMT_SGRBG12_1X12 is
+ * supported. shift appropriately depending on
+ * different MBUS fmt's added
+ */
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ val |= ((CCDC_NO_SHIFT &
+ CCDC_DATASFT_MASK) << CCDC_DATASFT_SHIFT);
+
+ regw(val, MODESET);
+ dev_dbg(dev, "Writing 0x%x to MODESET...\n", val);
+
+ /**
+ * Configure GAMMAWD register
+ * CFA pattern setting
+ */
+ val = (params->cfa_pat & CCDC_GAMMAWD_CFA_MASK) <<
+ CCDC_GAMMAWD_CFA_SHIFT;
+
+ /* Gamma msb */
+ if (params->v4l2_pix_fmt == V4L2_PIX_FMT_SGRBG10ALAW8)
+ val = val | CCDC_ALAW_ENABLE;
+
+ val = val | ((params->data_msb & CCDC_ALAW_GAMA_WD_MASK) <<
+ CCDC_ALAW_GAMA_WD_SHIFT);
+
+ regw(val, CGAMMAWD);
+
+ /* Configure DPCM compression settings */
+ if (params->v4l2_pix_fmt == V4L2_PIX_FMT_SGRBG10DPCM8) {
+ val = 1 << CCDC_DPCM_EN_SHIFT;
+ val |= (module_params->pred &
+ CCDC_DPCM_PREDICTOR_MASK) << CCDC_DPCM_PREDICTOR_SHIFT;
+ }
+ regw(val, MISC);
+ /* Configure Gain & Offset */
+ ccdc_config_gain_offset();
+ /* Configure Color pattern */
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ val = ccdc_sgrbg_pattern;
+ else
+ /* default set to rggb */
+ val = ccdc_srggb_pattern;
+
+ regw(val, CCOLP);
+ dev_dbg(dev, "Writing %x to CCOLP ...\n", val);
+
+ /* Configure HSIZE register */
+ val = (params->horz_flip_en & CCDC_HSIZE_FLIP_MASK) <<
+ CCDC_HSIZE_FLIP_SHIFT;
+
+ /* calculate line offset in 32 bytes based on pack value */
+ if (ccdc_cfg.data_pack == CCDC_PACK_8BIT)
+ val |= ((params->win.width + 31) >> 5) & CCDC_LINEOFST_MASK;
+ else if (ccdc_cfg.data_pack == CCDC_PACK_12BIT)
+ val |= ((((params->win.width + (params->win.width >> 2)) +
+ 31) >> 5) & CCDC_LINEOFST_MASK);
+ else
+ val |= (((params->win.width * 2) + 31) >> 5) &
+ CCDC_LINEOFST_MASK;
+ regw(val, HSIZE);
+
+ /* Configure SDOFST register */
+ if (params->frm_fmt == CCDC_FRMFMT_INTERLACED) {
+ if (params->image_invert_en) {
+ /* For interlace inverse mode */
+ regw(0x4B6D, SDOFST);
+ dev_dbg(dev, "Writing 0x4B6D to SDOFST...\n");
+ } else {
+ /* For interlace non inverse mode */
+ regw(0x0B6D, SDOFST);
+ dev_dbg(dev, "Writing 0x0B6D to SDOFST...\n");
+ }
+ } else if (params->frm_fmt == CCDC_FRMFMT_PROGRESSIVE) {
+ if (params->image_invert_en) {
+ /* For progessive inverse mode */
+ regw(0x4000, SDOFST);
+ dev_dbg(dev, "Writing 0x4000 to SDOFST...\n");
+ } else {
+ /* For progessive non inverse mode */
+ regw(0x0000, SDOFST);
+ dev_dbg(dev, "Writing 0x0000 to SDOFST...\n");
+ }
+ }
+
+ /* Configure video window */
+ ccdc_setwin(¶ms->win, params->frm_fmt, 1, mode);
+
+ /* Configure Black Clamp */
+ ccdc_config_bclamp(&module_params->bclamp);
+
+ /* Configure Vertical Defection Pixel Correction */
+ ccdc_config_dfc(&module_params->dfc);
+
+ if (!module_params->df_csc.df_or_csc)
+ /* Configure Color Space Conversion */
+ ccdc_config_csc(&module_params->df_csc);
+
+ ccdc_config_linearization(&module_params->linearize);
+
+ /* Configure Culling */
+ ccdc_config_culling(&module_params->culling);
+
+ /* Configure Horizontal and vertical offsets(DFC,LSC,Gain) */
+ val = module_params->horz_offset & CCDC_DATA_H_OFFSET_MASK;
+ regw(val, DATAHOFST);
+
+ val = module_params->vert_offset & CCDC_DATA_V_OFFSET_MASK;
+ regw(val, DATAVOFST);
+
+ /* Setup test pattern if enabled */
+ if (ccdc_test_pat_gen) {
+ /* Use the HD/VD pol settings from user */
+ sync.ccdpg_hdpol = params->hd_pol & CCDC_HD_POL_MASK;
+ sync.ccdpg_vdpol = params->vd_pol & CCDC_VD_POL_MASK;
+
+ vpss_set_sync_pol(sync);
+
+ frame_size.hlpfr = ccdc_cfg.bayer.win.width;
+ frame_size.pplen = ccdc_cfg.bayer.win.height;
+ vpss_set_pg_frame_size(frame_size);
+ vpss_select_ccdc_source(VPSS_PGLPBK);
+ }
+
+ return 0;
+}
+
+static int ccdc_validate_df_csc_params(struct ccdc_df_csc *df_csc)
+{
+ struct ccdc_color_space_conv *csc;
+ int err = -EINVAL;
+ int csc_df_en;
+ int i;
+
+ if (!df_csc->df_or_csc) {
+ /* csc configuration */
+ csc = &df_csc->csc;
+ if (csc->en) {
+ csc_df_en = 1;
+ for (i = 0; i < CCDC_CSC_NUM_COEFF; i++) {
+ if (csc->coeff[i].integer >
+ CCDC_CSC_COEF_INTEG_MASK ||
+ csc->coeff[i].decimal >
+ CCDC_CSC_COEF_DECIMAL_MASK) {
+ dev_dbg(dev,
+ "invalid CSC coefficients\n");
+ return err;
+ }
+ }
+ }
+ }
+
+ if (df_csc->start_pix > CCDC_DF_CSC_SPH_MASK) {
+ dev_dbg(dev, "invalid df_csc start pix value\n");
+ return err;
+ }
+ if (df_csc->num_pixels > CCDC_DF_NUMPIX) {
+ dev_dbg(dev, "invalid df_csc num pixels value\n");
+ return err;
+ }
+ if (df_csc->start_line > CCDC_DF_CSC_LNH_MASK) {
+ dev_dbg(dev, "invalid df_csc start_line value\n");
+ return err;
+ }
+ if (df_csc->num_lines > CCDC_DF_NUMLINES) {
+ dev_dbg(dev, "invalid df_csc num_lines value\n");
+ return err;
+ }
+
+ return 0;
+}
+
+static int ccdc_validate_dfc_params(struct ccdc_dfc *dfc)
+{
+ int err = -EINVAL;
+ int i;
+
+ if (!dfc->en)
+ return 0;
+
+ if (dfc->corr_whole_line > 1) {
+ dev_dbg(dev, "invalid corr_whole_line value\n");
+ return err;
+ }
+
+ if (dfc->def_level_shift > 4) {
+ dev_dbg(dev, "invalid def_level_shift value\n");
+ return err;
+ }
+
+ if (dfc->def_sat_level > 4095) {
+ dev_dbg(dev, "invalid def_sat_level value\n");
+ return err;
+ }
+
+ if (!dfc->num_vdefects || dfc->num_vdefects > 8) {
+ dev_dbg(dev, "invalid num_vdefects value\n");
+ return err;
+ }
+
+ for (i = 0; i < CCDC_VDFC_TABLE_SIZE; i++) {
+ if (dfc->table[i].pos_vert > 0x1fff) {
+ dev_dbg(dev, "invalid pos_vert value\n");
+ return err;
+ }
+
+ if (dfc->table[i].pos_horz > 0x1fff) {
+ dev_dbg(dev, "invalid pos_horz value\n");
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int ccdc_validate_bclamp_params(struct ccdc_black_clamp *bclamp)
+{
+ int err = -EINVAL;
+
+ if (bclamp->dc_offset > 0x1fff) {
+ dev_dbg(dev, "invalid bclamp dc_offset value\n");
+ return err;
+ }
+
+ if (!bclamp->en)
+ return 0;
+
+ if (bclamp->horz.clamp_pix_limit > 1) {
+ dev_dbg(dev,
+ "invalid bclamp horz clamp_pix_limit value\n");
+ return err;
+ }
+
+ if (bclamp->horz.win_count_calc < 1 ||
+ bclamp->horz.win_count_calc > 32) {
+ dev_dbg(dev, "invalid bclamp horz win_count_calc value\n");
+ return err;
+ }
+
+ if (bclamp->horz.win_start_h_calc > 0x1fff) {
+ dev_dbg(dev, "invalid bclamp win_start_v_calc value\n");
+ return err;
+ }
+
+ if (bclamp->horz.win_start_v_calc > 0x1fff) {
+ dev_dbg(dev, "invalid bclamp win_start_v_calc value\n");
+ return err;
+ }
+
+ if (bclamp->vert.reset_clamp_val > 0xfff) {
+ dev_dbg(dev, "invalid bclamp reset_clamp_val value\n");
+ return err;
+ }
+
+ if (bclamp->vert.ob_v_sz_calc > 0x1fff) {
+ dev_dbg(dev, "invalid bclamp ob_v_sz_calc value\n");
+ return err;
+ }
+
+ if (bclamp->vert.ob_start_h > 0x1fff) {
+ dev_dbg(dev, "invalid bclamp ob_start_h value\n");
+ return err;
+ }
+
+ if (bclamp->vert.ob_start_v > 0x1fff) {
+ dev_dbg(dev, "invalid bclamp ob_start_h value\n");
+ return err;
+ }
+
+ return 0;
+}
+
+static int ccdc_validate_gain_ofst_params(struct ccdc_gain_offsets_adj
+ *gain_offset)
+{
+ int err = -EINVAL;
+
+ if ((gain_offset->offset_sdram_en || gain_offset->offset_ipipe_en ||
+ gain_offset->offset_h3a_en) &&
+ ccdc_gain_params.offset > 0xfff) {
+ dev_dbg(dev, "Invalid gain b_mg\n");
+ return err;
+ }
+
+ return 0;
+}
+
+static int
+validate_ccdc_config_params_raw(struct ccdc_config_params_raw *params)
+{
+ int err;
+
+ err = ccdc_validate_df_csc_params(¶ms->df_csc);
+ if (err)
+ goto exit;
+ err = ccdc_validate_dfc_params(¶ms->dfc);
+ if (err)
+ goto exit;
+ err = ccdc_validate_bclamp_params(¶ms->bclamp);
+ if (err)
+ goto exit;
+ err = ccdc_validate_gain_ofst_params(¶ms->gain_offset);
+exit:
+ return err;
+}
+
+static int ccdc_set_buftype(enum ccdc_buftype buf_type)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ ccdc_cfg.bayer.buf_type = buf_type;
+ else
+ ccdc_cfg.ycbcr.buf_type = buf_type;
+
+ return 0;
+}
+
+static enum ccdc_buftype ccdc_get_buftype(void)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ return ccdc_cfg.bayer.buf_type;
+
+ return ccdc_cfg.ycbcr.buf_type;
+}
+
+static int ccdc_enum_pix(u32 *pix, int i)
+{
+ int ret = -EINVAL;
+
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12) {
+ if (i < ARRAY_SIZE(ccdc_raw_bayer_pix_formats)) {
+ *pix = ccdc_raw_bayer_pix_formats[i];
+ ret = 0;
+ }
+ } else {
+ if (i < ARRAY_SIZE(ccdc_raw_yuv_pix_formats)) {
+ *pix = ccdc_raw_yuv_pix_formats[i];
+ ret = 0;
+ }
+ }
+
+ return ret;
+}
+
+static int ccdc_set_pixel_format(unsigned int pixfmt)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12) {
+ if (pixfmt == V4L2_PIX_FMT_SBGGR16)
+ ccdc_cfg.data_pack = CCDC_PACK_16BIT;
+ else if ((pixfmt == V4L2_PIX_FMT_SGRBG10DPCM8) ||
+ (pixfmt == V4L2_PIX_FMT_SGRBG10ALAW8))
+ ccdc_cfg.data_pack = CCDC_PACK_8BIT;
+ else
+ return -EINVAL;
+
+ ccdc_cfg.bayer.pix_fmt = CCDC_PIXFMT_RAW;
+ ccdc_cfg.bayer.v4l2_pix_fmt = pixfmt;
+ } else {
+ if (pixfmt == V4L2_PIX_FMT_YUYV)
+ ccdc_cfg.ycbcr.pix_order = CCDC_PIXORDER_YCBYCR;
+ else if (pixfmt == V4L2_PIX_FMT_UYVY)
+ ccdc_cfg.ycbcr.pix_order = CCDC_PIXORDER_CBYCRY;
+ else
+ return -EINVAL;
+
+ ccdc_cfg.data_pack = CCDC_PACK_8BIT;
+ ccdc_cfg.ycbcr.v4l2_pix_fmt = pixfmt;
+ }
+
+ return 0;
+}
+
+static u32 ccdc_get_pixel_format(void)
+{
+ u32 pixfmt;
+
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ pixfmt = ccdc_cfg.bayer.v4l2_pix_fmt;
+ else
+ pixfmt = ccdc_cfg.ycbcr.v4l2_pix_fmt;
+
+ return pixfmt;
+}
+
+static int ccdc_set_image_window(struct v4l2_rect *win)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12) {
+ ccdc_cfg.bayer.win.top = win->top;
+ ccdc_cfg.bayer.win.left = win->left;
+ ccdc_cfg.bayer.win.width = win->width;
+ ccdc_cfg.bayer.win.height = win->height;
+ } else {
+ ccdc_cfg.ycbcr.win.top = win->top;
+ ccdc_cfg.ycbcr.win.left = win->left;
+ ccdc_cfg.ycbcr.win.width = win->width;
+ ccdc_cfg.ycbcr.win.height = win->height;
+ }
+
+ return 0;
+}
+
+static void ccdc_get_image_window(struct v4l2_rect *win)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ *win = ccdc_cfg.bayer.win;
+ else
+ *win = ccdc_cfg.ycbcr.win;
+}
+
+static unsigned int ccdc_get_line_length(void)
+{
+ unsigned int len;
+
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12) {
+ if (ccdc_cfg.data_pack == CCDC_PACK_8BIT)
+ len = ((ccdc_cfg.bayer.win.width));
+ else if (ccdc_cfg.data_pack == CCDC_PACK_12BIT)
+ len = (ccdc_cfg.bayer.win.width * 2) +
+ (ccdc_cfg.bayer.win.width >> 2);
+ else
+ len = ccdc_cfg.bayer.win.width * 2;
+ } else {
+ len = ccdc_cfg.ycbcr.win.width * 2;
+ }
+
+ return ALIGN(len, 32);
+}
+
+static int ccdc_set_frame_format(enum ccdc_frmfmt frm_fmt)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ ccdc_cfg.bayer.frm_fmt = frm_fmt;
+ else
+ ccdc_cfg.ycbcr.frm_fmt = frm_fmt;
+
+ return 0;
+}
+
+static enum ccdc_frmfmt ccdc_get_frame_format(void)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ return ccdc_cfg.bayer.frm_fmt;
+ else
+ return ccdc_cfg.ycbcr.frm_fmt;
+}
+
+static int ccdc_getfid(void)
+{
+ return (regr(MODESET) >> 15) & 0x1;
+}
+
+static int ccdc_set_ctrl(u32 ctrl_id, s32 val)
+{
+ switch (ctrl_id) {
+ case VPFE_CCDC_CID_CRGAIN:
+ ccdc_gain_params.cr_gain = val;
+ break;
+ case VPFE_CCDC_CID_CGRGAIN:
+ ccdc_gain_params.cgr_gain = val;
+ break;
+ case VPFE_CCDC_CID_CGBGAIN:
+ ccdc_gain_params.cgb_gain = val;
+ break;
+ case VPFE_CCDC_CID_CBGAIN:
+ ccdc_gain_params.cb_gain = val;
+ break;
+ case VPFE_CCDC_CID_GAIN_OFFSET:
+ ccdc_gain_params.offset = val;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/* misc operations */
+static void ccdc_setfbaddr(unsigned long addr)
+{
+ regw((addr >> 21) & 0x07ff, CADU);
+ regw((addr >> 5) & 0x0ffff, CADL);
+}
+
+static int ccdc_set_hw_if_params(struct vpfe_hw_if_param *params)
+{
+ ccdc_cfg.if_type = params->if_type;
+
+ switch (params->if_type) {
+ case V4L2_MBUS_FMT_YUYV8_2X8:
+ case V4L2_MBUS_FMT_YUYV10_2X10:
+ case V4L2_MBUS_FMT_Y8_1X8:
+ ccdc_cfg.ycbcr.pix_fmt = CCDC_PIXFMT_YCBCR_8BIT;
+ break;
+ case V4L2_MBUS_FMT_YUYV10_1X20:
+ case V4L2_MBUS_FMT_YUYV8_1X16:
+ ccdc_cfg.ycbcr.pix_fmt = CCDC_PIXFMT_YCBCR_16BIT;
+ break;
+ case V4L2_MBUS_FMT_SGRBG12_1X12:
+ ccdc_cfg.bayer.pix_fmt = CCDC_PIXFMT_RAW;
+ break;
+ default:
+ dev_dbg(dev, "Invalid interface type\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* Parameter operations */
+static int ccdc_get_params(void *params)
+{
+ /* only raw module parameters can be set through the IOCTL */
+ if (ccdc_cfg.if_type != V4L2_MBUS_FMT_SGRBG12_1X12)
+ return -EINVAL;
+
+ memcpy(params, &ccdc_cfg.bayer.config_params,
+ sizeof(ccdc_cfg.bayer.config_params));
+
+ return 0;
+}
+
+/* Parameter operations */
+static int ccdc_set_params(void *params)
+{
+ struct ccdc_config_params_raw ccdc_raw_params;
+ int ret = -EINVAL;
+
+ /* only raw module parameters can be set through the IOCTL */
+ if (ccdc_cfg.if_type != V4L2_MBUS_FMT_SGRBG12_1X12)
+ return ret;
+
+ memcpy(&ccdc_raw_params, params, sizeof(ccdc_raw_params));
+
+ if (!validate_ccdc_config_params_raw(&ccdc_raw_params)) {
+ memcpy(&ccdc_cfg.bayer.config_params, &ccdc_raw_params,
+ sizeof(ccdc_raw_params));
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/* This function will configure CCDC for YCbCr parameters. */
+static int ccdc_config_ycbcr(int mode)
+{
+ struct ccdc_ycbcr_config *params = &ccdc_cfg.ycbcr;
+ struct vpss_pg_frame_size frame_size;
+ struct vpss_sync_pol sync;
+ u32 modeset;
+ u32 ccdcfg;
+
+ /**
+ * first reset the CCDC
+ * all registers have default values after reset
+ * This is important since we assume default values to be set in
+ * a lot of registers that we didn't touch
+ */
+ dev_dbg(dev, "\nStarting ccdc_config_ycbcr...");
+
+ /* start with all bits zero */
+ modeset = 0;
+ ccdcfg = 0;
+
+ /* configure pixel format or input mode */
+ modeset = modeset | ((params->pix_fmt & CCDC_INPUT_MASK) <<
+ CCDC_INPUT_SHIFT) | ((params->frm_fmt & CCDC_FRM_FMT_MASK) <<
+ CCDC_FRM_FMT_SHIFT) | (((params->fid_pol &
+ CCDC_FID_POL_MASK) << CCDC_FID_POL_SHIFT)) |
+ (((params->hd_pol & CCDC_HD_POL_MASK) << CCDC_HD_POL_SHIFT)) |
+ (((params->vd_pol & CCDC_VD_POL_MASK) << CCDC_VD_POL_SHIFT));
+
+ /* pack the data to 8-bit CCDCCFG */
+ switch (ccdc_cfg.if_type) {
+ case V4L2_MBUS_FMT_YUYV8_2X8:
+ if (params->pix_fmt != CCDC_PIXFMT_YCBCR_8BIT) {
+ dev_dbg(dev, "Invalid pix_fmt(input mode)\n");
+ return -EINVAL;
+ }
+ modeset |= ((VPFE_PINPOL_NEGATIVE & CCDC_VD_POL_MASK) <<
+ CCDC_VD_POL_SHIFT);
+ regw(3, REC656IF);
+ ccdcfg = ccdcfg | CCDC_DATA_PACK8 | CCDC_YCINSWP_YCBCR;
+ break;
+ case V4L2_MBUS_FMT_YUYV10_2X10:
+ if (params->pix_fmt != CCDC_PIXFMT_YCBCR_8BIT) {
+ dev_dbg(dev, "Invalid pix_fmt(input mode)\n");
+ return -EINVAL;
+ }
+ /* setup BT.656, embedded sync */
+ regw(3, REC656IF);
+ /* enable 10 bit mode in ccdcfg */
+ ccdcfg = ccdcfg | CCDC_DATA_PACK8 | CCDC_YCINSWP_YCBCR |
+ CCDC_BW656_ENABLE;
+ break;
+ case V4L2_MBUS_FMT_YUYV10_1X20:
+ if (params->pix_fmt != CCDC_PIXFMT_YCBCR_16BIT) {
+ dev_dbg(dev, "Invalid pix_fmt(input mode)\n");
+ return -EINVAL;
+ }
+ regw(3, REC656IF);
+ break;
+
+ case V4L2_MBUS_FMT_Y8_1X8:
+ ccdcfg |= CCDC_DATA_PACK8;
+ ccdcfg |= CCDC_YCINSWP_YCBCR;
+ if (params->pix_fmt != CCDC_PIXFMT_YCBCR_8BIT) {
+ dev_dbg(dev, "Invalid pix_fmt(input mode)\n");
+ return -EINVAL;
+ }
+ break;
+ case V4L2_MBUS_FMT_YUYV8_1X16:
+ if (params->pix_fmt != CCDC_PIXFMT_YCBCR_16BIT) {
+ dev_dbg(dev, "Invalid pix_fmt(input mode)\n");
+ return -EINVAL;
+ }
+ break;
+ default:
+ /* should never come here */
+ dev_dbg(dev, "Invalid interface type\n");
+ return -EINVAL;
+ }
+
+ regw(modeset, MODESET);
+
+ /* Set up pix order */
+ ccdcfg |= (params->pix_order & CCDC_PIX_ORDER_MASK) <<
+ CCDC_PIX_ORDER_SHIFT;
+
+ regw(ccdcfg, CCDCFG);
+
+ /* configure video window */
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_YUYV10_1X20 ||
+ ccdc_cfg.if_type == V4L2_MBUS_FMT_YUYV8_1X16)
+ ccdc_setwin(¶ms->win, params->frm_fmt, 1, mode);
+ else
+ ccdc_setwin(¶ms->win, params->frm_fmt, 2, mode);
+
+ /**
+ * configure the horizontal line offset
+ * this is done by rounding up width to a multiple of 16 pixels
+ * and multiply by two to account for y:cb:cr 4:2:2 data
+ */
+ regw(((((params->win.width * 2) + 31) & 0xffffffe0) >> 5), HSIZE);
+
+ /* configure the memory line offset */
+ if (params->frm_fmt == CCDC_FRMFMT_INTERLACED &&
+ params->buf_type == CCDC_BUFTYPE_FLD_INTERLEAVED) {
+ /* two fields are interleaved in memory */
+ regw(0x00000249, SDOFST);
+ }
+
+ /* Setup test pattern if enabled */
+ if (ccdc_test_pat_gen) {
+ sync.ccdpg_hdpol = (params->hd_pol & CCDC_HD_POL_MASK);
+ sync.ccdpg_vdpol = (params->vd_pol & CCDC_VD_POL_MASK);
+ vpss_set_sync_pol(sync);
+ vpss_set_pg_frame_size(frame_size);
+ }
+
+ return 0;
+}
+
+static int ccdc_configure(int mode)
+{
+ if (ccdc_cfg.if_type == V4L2_MBUS_FMT_SGRBG12_1X12)
+ return ccdc_config_raw(mode);
+
+ return ccdc_config_ycbcr(mode);
+}
+
+static int ccdc_close(struct device *device)
+{
+ /* copy defaults to module params */
+ memcpy(&ccdc_cfg.bayer.config_params, &ccdc_config_defaults,
+ sizeof(struct ccdc_config_params_raw));
+
+ return 0;
+}
+
+static struct ccdc_hw_device ccdc_hw_dev = {
+ .name = "dm365_isif",
+ .owner = THIS_MODULE,
+ .hw_ops = {
+ .open = ccdc_open,
+ .close = ccdc_close,
+ .enable = ccdc_enable,
+ .enable_out_to_sdram = ccdc_enable_output_to_sdram,
+ .set_hw_if_params = ccdc_set_hw_if_params,
+ .set_params = ccdc_set_params,
+ .get_params = ccdc_get_params,
+ .configure = ccdc_configure,
+ .set_buftype = ccdc_set_buftype,
+ .get_buftype = ccdc_get_buftype,
+ .enum_pix = ccdc_enum_pix,
+ .set_pixel_format = ccdc_set_pixel_format,
+ .get_pixel_format = ccdc_get_pixel_format,
+ .set_frame_format = ccdc_set_frame_format,
+ .get_frame_format = ccdc_get_frame_format,
+ .set_image_window = ccdc_set_image_window,
+ .get_image_window = ccdc_get_image_window,
+ .get_line_length = ccdc_get_line_length,
+ .setfbaddr = ccdc_setfbaddr,
+ .getfid = ccdc_getfid,
+ .set_ctrl = ccdc_set_ctrl,
+ },
+};
+
+struct ccdc_hw_device *get_ccdc_dev(void)
+{
+ return &ccdc_hw_dev;
+}
+
+int ccdc_init(struct platform_device *pdev)
+{
+ static resource_size_t res_len;
+ struct resource *res;
+ void *__iomem addr;
+ int status;
+ int i;
+
+ i = 0;
+ /* Get the ISIF base address, linearization table0 and table1 addr. */
+ while (i < 3) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+ if (!res) {
+ status = -ENOENT;
+ goto fail_nobase_res;
+ }
+ res_len = res->end - res->start + 1;
+ res = request_mem_region(res->start, res_len, res->name);
+ if (!res) {
+ status = -EBUSY;
+ goto fail_nobase_res;
+ }
+ addr = ioremap_nocache(res->start, res_len);
+ if (!addr) {
+ status = -EBUSY;
+ goto fail_base_iomap;
+ }
+ switch (i) {
+ case 0:
+ /* ISIF base address */
+ ccdc_cfg.base_addr = addr;
+ break;
+ case 1:
+ /* ISIF linear tbl0 address */
+ ccdc_cfg.linear_tbl0_addr = addr;
+ break;
+ default:
+ /* ISIF linear tbl0 address */
+ ccdc_cfg.linear_tbl1_addr = addr;
+ break;
+ }
+ i++;
+ }
+
+ davinci_cfg_reg(DM365_VIN_CAM_WEN);
+ davinci_cfg_reg(DM365_VIN_CAM_VD);
+ davinci_cfg_reg(DM365_VIN_CAM_HD);
+ davinci_cfg_reg(DM365_VIN_YIN4_7_EN);
+ davinci_cfg_reg(DM365_VIN_YIN0_3_EN);
+
+ return 0;
+fail_base_iomap:
+ release_mem_region(res->start, res_len);
+ i--;
+fail_nobase_res:
+ if (ccdc_cfg.base_addr)
+ iounmap(ccdc_cfg.base_addr);
+ if (ccdc_cfg.linear_tbl0_addr)
+ iounmap(ccdc_cfg.linear_tbl0_addr);
+
+ while (i >= 0) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+ release_mem_region(res->start, res_len);
+ i--;
+ }
+
+ return status;
+}
+
+void ccdc_remove(struct platform_device *pdev)
+{
+ struct resource *res;
+ int i;
+
+ iounmap(ccdc_cfg.base_addr);
+ iounmap(ccdc_cfg.linear_tbl0_addr);
+ iounmap(ccdc_cfg.linear_tbl1_addr);
+
+ i = 0;
+ while (i < 3) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+ if (res)
+ release_mem_region(res->start,
+ res->end - res->start + 1);
+ i++;
+ }
+}
new file mode 100644
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Inc
+ *
+ * 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 in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Contributors:
+ * Manjunath Hadli <manjunath.hadli@ti.com>
+ * Prabhakar Lad <prabhakar.lad@ti.com>
+ */
+
+#ifndef _DM365_CCDC_H
+#define _DM365_CCDC_H
+
+#include <linux/dm365_ccdc.h>
+
+#include <media/davinci/vpfe.h>
+#include <media/davinci/ccdc_types.h>
+
+#define CCDC_COLPTN_R_Ye 0x0
+#define CCDC_COLPTN_Gr_Cy 0x1
+#define CCDC_COLPTN_Gb_G 0x2
+#define CCDC_COLPTN_B_Mg 0x3
+
+#define CCDC_CCOLP_CP01_0 0
+#define CCDC_CCOLP_CP03_2 2
+#define CCDC_CCOLP_CP05_4 4
+#define CCDC_CCOLP_CP07_6 6
+#define CCDC_CCOLP_CP11_0 8
+#define CCDC_CCOLP_CP13_2 10
+#define CCDC_CCOLP_CP15_4 12
+#define CCDC_CCOLP_CP17_6 14
+
+static const u32 ccdc_sgrbg_pattern =
+ CCDC_COLPTN_Gr_Cy << CCDC_CCOLP_CP01_0 |
+ CCDC_COLPTN_R_Ye << CCDC_CCOLP_CP03_2 |
+ CCDC_COLPTN_B_Mg << CCDC_CCOLP_CP05_4 |
+ CCDC_COLPTN_Gb_G << CCDC_CCOLP_CP07_6 |
+ CCDC_COLPTN_Gr_Cy << CCDC_CCOLP_CP11_0 |
+ CCDC_COLPTN_R_Ye << CCDC_CCOLP_CP13_2 |
+ CCDC_COLPTN_B_Mg << CCDC_CCOLP_CP15_4 |
+ CCDC_COLPTN_Gb_G << CCDC_CCOLP_CP17_6;
+
+static const u32 ccdc_srggb_pattern =
+ CCDC_COLPTN_R_Ye << CCDC_CCOLP_CP01_0 |
+ CCDC_COLPTN_Gr_Cy << CCDC_CCOLP_CP03_2 |
+ CCDC_COLPTN_Gb_G << CCDC_CCOLP_CP05_4 |
+ CCDC_COLPTN_B_Mg << CCDC_CCOLP_CP07_6 |
+ CCDC_COLPTN_R_Ye << CCDC_CCOLP_CP11_0 |
+ CCDC_COLPTN_Gr_Cy << CCDC_CCOLP_CP13_2 |
+ CCDC_COLPTN_Gb_G << CCDC_CCOLP_CP15_4 |
+ CCDC_COLPTN_B_Mg << CCDC_CCOLP_CP17_6;
+
+struct ccdc_ycbcr_config {
+ /* v4l2 pixel format */
+ unsigned long v4l2_pix_fmt;
+ /* ccdc pixel format */
+ enum ccdc_pixfmt pix_fmt;
+ /* ccdc frame format */
+ enum ccdc_frmfmt frm_fmt;
+ /* CCDC crop window */
+ struct v4l2_rect win;
+ /* field polarity */
+ enum vpfe_pin_pol fid_pol;
+ /* interface VD polarity */
+ enum vpfe_pin_pol vd_pol;
+ /* interface HD polarity */
+ enum vpfe_pin_pol hd_pol;
+ /* ccdc pix order. Only used for ycbcr capture */
+ enum ccdc_pixorder pix_order;
+ /* ccdc buffer type. Only used for ycbcr capture */
+ enum ccdc_buftype buf_type;
+};
+
+struct ccdc_params_raw {
+ /* v4l2 pixel format */
+ unsigned long v4l2_pix_fmt;
+ /* ccdc pixel format */
+ enum ccdc_pixfmt pix_fmt;
+ /* ccdc frame format */
+ enum ccdc_frmfmt frm_fmt;
+ /* video window */
+ struct v4l2_rect win;
+ /* field polarity */
+ enum vpfe_pin_pol fid_pol;
+ /* interface VD polarity */
+ enum vpfe_pin_pol vd_pol;
+ /* interface HD polarity */
+ enum vpfe_pin_pol hd_pol;
+ /* buffer type. Applicable for interlaced mode */
+ enum ccdc_buftype buf_type;
+ /* Gain values */
+ struct ccdc_gain gain;
+ /* cfa pattern */
+ enum ccdc_cfa_pattern cfa_pat;
+ /* Data MSB position */
+ enum ccdc_data_msb data_msb;
+ /* Enable horizontal flip */
+ unsigned char horz_flip_en;
+ /* Enable image invert vertically */
+ unsigned char image_invert_en;
+
+ /*all the userland defined stuff*/
+ struct ccdc_config_params_raw config_params;
+};
+
+enum ccdc_data_pack {
+ CCDC_PACK_16BIT,
+ CCDC_PACK_12BIT,
+ CCDC_PACK_8BIT
+};
+
+struct ccdc_gain_values {
+ unsigned int cr_gain;
+ unsigned int cgr_gain;
+ unsigned int cgb_gain;
+ unsigned int cb_gain;
+ unsigned int offset;
+};
+
+struct ccdc_hw_device *get_ccdc_dev(void);
+
+#define CCDC_WIN_NTSC {0, 0, 720, 480}
+#define CCDC_WIN_VGA {0, 0, 640, 480}
+#define ISP5_CCDCMUX 0x20
+
+#endif
new file mode 100644
@@ -0,0 +1,314 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Inc
+ *
+ * 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 in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Contributors:
+ * Manjunath Hadli <manjunath.hadli@ti.com>
+ * Prabhakar Lad <prabhakar.lad@ti.com>
+ */
+
+#ifndef _DM365_CCDC_REGS_H
+#define _DM365_CCDC_REGS_H
+
+/* ISIF registers relative offsets */
+#define SYNCEN 0x00
+#define MODESET 0x04
+#define HDW 0x08
+#define VDW 0x0c
+#define PPLN 0x10
+#define LPFR 0x14
+#define SPH 0x18
+#define LNH 0x1c
+#define SLV0 0x20
+#define SLV1 0x24
+#define LNV 0x28
+#define CULH 0x2c
+#define CULV 0x30
+#define HSIZE 0x34
+#define SDOFST 0x38
+#define CADU 0x3c
+#define CADL 0x40
+#define LINCFG0 0x44
+#define LINCFG1 0x48
+#define CCOLP 0x4c
+#define CRGAIN 0x50
+#define CGRGAIN 0x54
+#define CGBGAIN 0x58
+#define CBGAIN 0x5c
+#define COFSTA 0x60
+#define FLSHCFG0 0x64
+#define FLSHCFG1 0x68
+#define FLSHCFG2 0x6c
+#define VDINT0 0x70
+#define VDINT1 0x74
+#define VDINT2 0x78
+#define MISC 0x7c
+#define CGAMMAWD 0x80
+#define REC656IF 0x84
+#define CCDCFG 0x88
+/*****************************************************
+* Defect Correction registers
+*****************************************************/
+#define DFCCTL 0x8c
+#define VDFSATLV 0x90
+#define DFCMEMCTL 0x94
+#define DFCMEM0 0x98
+#define DFCMEM1 0x9c
+#define DFCMEM2 0xa0
+#define DFCMEM3 0xa4
+#define DFCMEM4 0xa8
+/****************************************************
+* Black Clamp registers
+****************************************************/
+#define CLAMPCFG 0xac
+#define CLDCOFST 0xb0
+#define CLSV 0xb4
+#define CLHWIN0 0xb8
+#define CLHWIN1 0xbc
+#define CLHWIN2 0xc0
+#define CLVRV 0xc4
+#define CLVWIN0 0xc8
+#define CLVWIN1 0xcc
+#define CLVWIN2 0xd0
+#define CLVWIN3 0xd4
+/****************************************************
+* Lense Shading Correction
+****************************************************/
+#define DATAHOFST 0xd8
+#define DATAVOFST 0xdc
+#define LSCHVAL 0xe0
+#define LSCVVAL 0xe4
+#define TWODLSCCFG 0xe8
+#define TWODLSCOFST 0xec
+#define TWODLSCINI 0xf0
+#define TWODLSCGRBU 0xf4
+#define TWODLSCGRBL 0xf8
+#define TWODLSCGROF 0xfc
+#define TWODLSCORBU 0x100
+#define TWODLSCORBL 0x104
+#define TWODLSCOROF 0x108
+#define TWODLSCIRQEN 0x10c
+#define TWODLSCIRQST 0x110
+/****************************************************
+* Data formatter
+****************************************************/
+#define FMTCFG 0x114
+#define FMTPLEN 0x118
+#define FMTSPH 0x11c
+#define FMTLNH 0x120
+#define FMTSLV 0x124
+#define FMTLNV 0x128
+#define FMTRLEN 0x12c
+#define FMTHCNT 0x130
+#define FMTAPTR_BASE 0x134
+/* Below macro for addresses FMTAPTR0 - FMTAPTR15 */
+#define FMTAPTR(i) (FMTAPTR_BASE + (i * 4))
+#define FMTPGMVF0 0x174
+#define FMTPGMVF1 0x178
+#define FMTPGMAPU0 0x17c
+#define FMTPGMAPU1 0x180
+#define FMTPGMAPS0 0x184
+#define FMTPGMAPS1 0x188
+#define FMTPGMAPS2 0x18c
+#define FMTPGMAPS3 0x190
+#define FMTPGMAPS4 0x194
+#define FMTPGMAPS5 0x198
+#define FMTPGMAPS6 0x19c
+#define FMTPGMAPS7 0x1a0
+/************************************************
+* Color Space Converter
+************************************************/
+#define CSCCTL 0x1a4
+#define CSCM0 0x1a8
+#define CSCM1 0x1ac
+#define CSCM2 0x1b0
+#define CSCM3 0x1b4
+#define CSCM4 0x1b8
+#define CSCM5 0x1bc
+#define CSCM6 0x1c0
+#define CSCM7 0x1c4
+#define OBWIN0 0x1c8
+#define OBWIN1 0x1cc
+#define OBWIN2 0x1d0
+#define OBWIN3 0x1d4
+#define OBVAL0 0x1d8
+#define OBVAL1 0x1dc
+#define OBVAL2 0x1e0
+#define OBVAL3 0x1e4
+#define OBVAL4 0x1e8
+#define OBVAL5 0x1ec
+#define OBVAL6 0x1f0
+#define OBVAL7 0x1f4
+#define CLKCTL 0x1f8
+
+#define CCDC_LINEAR_LUT0_ADDR 0x1c7c000
+#define CCDC_LINEAR_LUT1_ADDR 0x1c7c400
+
+/* Masks & Shifts below */
+#define START_PX_HOR_MASK 0x7fff
+#define NUM_PX_HOR_MASK 0x7fff
+#define START_VER_ONE_MASK 0x7fff
+#define START_VER_TWO_MASK 0x7fff
+#define NUM_LINES_VER 0x7fff
+
+/* gain - offset masks */
+#define GAIN_INTEGER_MASK 0x7
+#define GAIN_INTEGER_SHIFT 0x9
+#define GAIN_DECIMAL_MASK 0x1ff
+#define OFFSET_MASK 0xfff
+#define GAIN_SDRAM_EN_SHIFT 12
+#define GAIN_IPIPE_EN_SHIFT 13
+#define GAIN_H3A_EN_SHIFT 14
+#define OFST_SDRAM_EN_SHIFT 8
+#define OFST_IPIPE_EN_SHIFT 9
+#define OFST_H3A_EN_SHIFT 10
+#define GAIN_OFFSET_EN_MASK 0x7700
+
+/* Culling */
+#define CULL_PAT_EVEN_LINE_SHIFT 8
+
+/* CCDCFG register */
+#define CCDC_YCINSWP_RAW (0x00 << 4)
+#define CCDC_YCINSWP_YCBCR (0x01 << 4)
+#define CCDC_CCDCFG_FIDMD_LATCH_VSYNC (0x00 << 6)
+#define CCDC_CCDCFG_WENLOG_AND (0x00 << 8)
+#define CCDC_CCDCFG_TRGSEL_WEN (0x00 << 9)
+#define CCDC_CCDCFG_EXTRG_DISABLE (0x00 << 10)
+#define CCDC_LATCH_ON_VSYNC_DISABLE (0x01 << 15)
+#define CCDC_LATCH_ON_VSYNC_ENABLE (0x00 << 15)
+#define CCDC_DATA_PACK_MASK 0x03
+#define CCDC_DATA_PACK16 0x0
+#define CCDC_DATA_PACK12 0x1
+#define CCDC_DATA_PACK8 0x2
+#define CCDC_PIX_ORDER_SHIFT 11
+#define CCDC_PIX_ORDER_MASK 0x01
+#define CCDC_BW656_ENABLE (0x01 << 5)
+
+/* MODESET registers */
+#define CCDC_VDHDOUT_INPUT (0x00 << 0)
+#define CCDC_INPUT_MASK 0x03
+#define CCDC_INPUT_SHIFT 12
+#define CCDC_RAW_INPUT_MODE 0x00
+#define CCDC_FID_POL_MASK 0x01
+#define CCDC_FID_POL_SHIFT 4
+#define CCDC_HD_POL_MASK 0x01
+#define CCDC_HD_POL_SHIFT 3
+#define CCDC_VD_POL_MASK 0x01
+#define CCDC_VD_POL_SHIFT 2
+#define CCDC_DATAPOL_NORMAL 0x00
+#define CCDC_DATAPOL_MASK 0x01
+#define CCDC_DATAPOL_SHIFT 6
+#define CCDC_EXWEN_DISABLE 0x00
+#define CCDC_EXWEN_MASK 0x01
+#define CCDC_EXWEN_SHIFT 5
+#define CCDC_FRM_FMT_MASK 0x01
+#define CCDC_FRM_FMT_SHIFT 7
+#define CCDC_DATASFT_MASK 0x07
+#define CCDC_DATASFT_SHIFT 8
+#define CCDC_LPF_SHIFT 14
+#define CCDC_LPF_MASK 0x1
+
+/* GAMMAWD registers */
+#define CCDC_ALAW_GAMA_WD_MASK 0xf
+#define CCDC_ALAW_GAMA_WD_SHIFT 1
+#define CCDC_ALAW_ENABLE 0x01
+#define CCDC_GAMMAWD_CFA_MASK 0x01
+#define CCDC_GAMMAWD_CFA_SHIFT 5
+
+/* HSIZE registers */
+#define CCDC_HSIZE_FLIP_MASK 0x01
+#define CCDC_HSIZE_FLIP_SHIFT 12
+#define CCDC_LINEOFST_MASK 0xfff
+
+/* MISC registers */
+#define CCDC_DPCM_EN_SHIFT 12
+#define CCDC_DPCM_EN_MASK 1
+#define CCDC_DPCM_PREDICTOR_SHIFT 13
+#define CCDC_DPCM_PREDICTOR_MASK 1
+
+/* Black clamp related */
+#define CCDC_BC_DCOFFSET_MASK 0x1fff
+#define CCDC_BC_MODE_COLOR_MASK 1
+#define CCDC_BC_MODE_COLOR_SHIFT 4
+#define CCDC_HORZ_BC_MODE_MASK 3
+#define CCDC_HORZ_BC_MODE_SHIFT 1
+#define CCDC_HORZ_BC_WIN_COUNT_MASK 0x1f
+#define CCDC_HORZ_BC_WIN_SEL_SHIFT 5
+#define CCDC_HORZ_BC_PIX_LIMIT_SHIFT 6
+#define CCDC_HORZ_BC_WIN_H_SIZE_MASK 3
+#define CCDC_HORZ_BC_WIN_H_SIZE_SHIFT 8
+#define CCDC_HORZ_BC_WIN_V_SIZE_MASK 3
+#define CCDC_HORZ_BC_WIN_V_SIZE_SHIFT 12
+#define CCDC_HORZ_BC_WIN_START_H_MASK 0x1fff
+#define CCDC_HORZ_BC_WIN_START_V_MASK 0x1fff
+#define CCDC_VERT_BC_OB_H_SZ_MASK 7
+#define CCDC_VERT_BC_RST_VAL_SEL_MASK 3
+#define CCDC_VERT_BC_RST_VAL_SEL_SHIFT 4
+#define CCDC_VERT_BC_LINE_AVE_COEF_SHIFT 8
+#define CCDC_VERT_BC_OB_START_HORZ_MASK 0x1fff
+#define CCDC_VERT_BC_OB_START_VERT_MASK 0x1fff
+#define CCDC_VERT_BC_OB_VERT_SZ_MASK 0x1fff
+#define CCDC_VERT_BC_RST_VAL_MASK 0xfff
+#define CCDC_BC_VERT_START_SUB_V_MASK 0x1fff
+
+/* VDFC registers */
+#define CCDC_VDFC_EN_SHIFT 4
+#define CCDC_VDFC_CORR_MOD_MASK 3
+#define CCDC_VDFC_CORR_MOD_SHIFT 5
+#define CCDC_VDFC_CORR_WHOLE_LN_SHIFT 7
+#define CCDC_VDFC_LEVEL_SHFT_MASK 7
+#define CCDC_VDFC_LEVEL_SHFT_SHIFT 8
+#define CCDC_VDFC_SAT_LEVEL_MASK 0xfff
+#define CCDC_VDFC_POS_MASK 0x1fff
+#define CCDC_DFCMEMCTL_DFCMARST_SHIFT 2
+
+/* CSC registers */
+#define CCDC_CSC_COEF_INTEG_MASK 7
+#define CCDC_CSC_COEF_DECIMAL_MASK 0x1f
+#define CCDC_CSC_COEF_INTEG_SHIFT 5
+#define CCDC_CSCM_MSB_SHIFT 8
+#define CCDC_DF_CSC_SPH_MASK 0x1fff
+#define CCDC_DF_CSC_LNH_MASK 0x1fff
+#define CCDC_DF_CSC_SLV_MASK 0x1fff
+#define CCDC_DF_CSC_LNV_MASK 0x1fff
+#define CCDC_DF_NUMLINES 0x7fff
+#define CCDC_DF_NUMPIX 0x1fff
+
+/* Offsets for LSC/DFC/Gain */
+#define CCDC_DATA_H_OFFSET_MASK 0x1fff
+#define CCDC_DATA_V_OFFSET_MASK 0x1fff
+
+/* Linearization */
+#define CCDC_LIN_CORRSFT_MASK 7
+#define CCDC_LIN_CORRSFT_SHIFT 4
+#define CCDC_LIN_SCALE_FACT_INTEG_SHIFT 10
+#define CCDC_LIN_SCALE_FACT_DECIMAL_MASK 0x3ff
+#define CCDC_LIN_ENTRY_MASK 0x3ff
+
+#define CCDC_DF_FMTRLEN_MASK 0x1fff
+#define CCDC_DF_FMTHCNT_MASK 0x1fff
+
+/* Pattern registers */
+#define CCDC_PG_EN (1 << 3)
+#define CCDC_SEL_PG_SRC (3 << 4)
+#define CCDC_PG_VD_POL_SHIFT 0
+#define CCDC_PG_HD_POL_SHIFT 1
+
+/*masks and shifts*/
+#define CCDC_SYNCEN_VDHDEN_MASK (1 << 0)
+#define CCDC_SYNCEN_WEN_MASK (1 << 1)
+#define CCDC_SYNCEN_WEN_SHIFT 1
+
+#endif
new file mode 100644
@@ -0,0 +1,592 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Inc
+ *
+ * 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 in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Contributors:
+ * Manjunath Hadli <manjunath.hadli@ti.com>
+ * Prabhakar Lad <prabhakar.lad@ti.com>
+ */
+
+#ifndef _DM365_CCDC_INCLUDE_H
+#define _DM365_CCDC_INCLUDE_H
+
+/**
+ * ccdc float type S8Q8/U8Q8
+ */
+struct ccdc_float_8 {
+ /* 8 bit integer part */
+ __u8 integer;
+ /* 8 bit decimal part */
+ __u8 decimal;
+};
+
+/**
+ * brief ccdc float type U16Q16/S16Q16
+ */
+struct ccdc_float_16 {
+ /* 16 bit integer part */
+ __u16 integer;
+ /* 16 bit decimal part */
+ __u16 decimal;
+};
+
+/************************************************************************
+ * Vertical Defect Correction parameters
+ ***********************************************************************/
+
+/**
+ * vertical defect correction methods
+ */
+enum ccdc_vdfc_corr_mode {
+ /* Defect level subtraction. Just fed through if saturating */
+ CCDC_VDFC_NORMAL,
+ /**
+ * Defect level subtraction. Horizontal interpolation ((i-2)+(i+2))/2
+ * if data saturating
+ */
+ CCDC_VDFC_HORZ_INTERPOL_IF_SAT,
+ /* Horizontal interpolation (((i-2)+(i+2))/2) */
+ CCDC_VDFC_HORZ_INTERPOL
+};
+
+/**
+ * Max Size of the Vertical Defect Correction table
+ */
+#define CCDC_VDFC_TABLE_SIZE 8
+
+/**
+ * Values used for shifting up the vdfc defect level
+ */
+enum ccdc_vdfc_shift {
+ /* No Shift */
+ CCDC_VDFC_NO_SHIFT,
+ /* Shift by 1 bit */
+ CCDC_VDFC_SHIFT_1,
+ /* Shift by 2 bit */
+ CCDC_VDFC_SHIFT_2,
+ /* Shift by 3 bit */
+ CCDC_VDFC_SHIFT_3,
+ /* Shift by 4 bit */
+ CCDC_VDFC_SHIFT_4
+};
+
+/**
+ * Defect Correction (DFC) table entry
+ */
+struct ccdc_vdfc_entry {
+ /* vertical position of defect */
+ unsigned short pos_vert;
+ /* horizontal position of defect */
+ unsigned short pos_horz;
+ /**
+ * Defect level of Vertical line defect position. This is subtracted
+ * from the data at the defect position
+ */
+ unsigned char level_at_pos;
+ /**
+ * Defect level of the pixels upper than the vertical line defect.
+ * This is subtracted from the data
+ */
+ unsigned char level_up_pixels;
+ /**
+ * Defect level of the pixels lower than the vertical line defect.
+ * This is subtracted from the data
+ */
+ unsigned char level_low_pixels;
+};
+
+/**
+ * Structure for Defect Correction (DFC) parameter
+ */
+struct ccdc_dfc {
+ /* enable vertical defect correction */
+ unsigned char en;
+ /* Correction methods */
+ enum ccdc_vdfc_corr_mode corr_mode;
+ /**
+ * 0 - whole line corrected, 1 - not
+ * pixels upper than the defect
+ */
+ unsigned char corr_whole_line;
+ /**
+ * defect level shift value. level_at_pos, level_upper_pos,
+ * and level_lower_pos can be shifted up by this value
+ */
+ enum ccdc_vdfc_shift def_level_shift;
+ /* defect saturation level */
+ unsigned short def_sat_level;
+ /* number of vertical defects. Max is CCDC_VDFC_TABLE_SIZE */
+ short num_vdefects;
+ /* VDFC table ptr */
+ struct ccdc_vdfc_entry table[CCDC_VDFC_TABLE_SIZE];
+};
+
+/************************************************************************
+* Digital/Black clamp or DC Subtract parameters
+************************************************************************/
+/**
+ * Horizontal Black Clamp modes
+ */
+enum ccdc_horz_bc_mode {
+ /**
+ * Horizontal clamp disabled. Only vertical clamp
+ * value is subtracted
+ */
+ CCDC_HORZ_BC_DISABLE,
+ /**
+ * Horizontal clamp value is calculated and subtracted
+ * from image data along with vertical clamp value
+ */
+ CCDC_HORZ_BC_CLAMP_CALC_ENABLED,
+ /**
+ * Horizontal clamp value calculated from previous image
+ * is subtracted from image data along with vertical clamp
+ * value. How the horizontal clamp value for the first image
+ * is calculated in this case ???
+ */
+ CCDC_HORZ_BC_CLAMP_NOT_UPDATED
+};
+
+/**
+ * Base window selection for Horizontal Black Clamp calculations
+ */
+enum ccdc_horz_bc_base_win_sel {
+ /* Select Most left window for bc calculation */
+ CCDC_SEL_MOST_LEFT_WIN,
+
+ /* Select Most right window for bc calculation */
+ CCDC_SEL_MOST_RIGHT_WIN,
+};
+
+/* Size of window in horizontal direction for horizontal bc */
+enum ccdc_horz_bc_sz_h {
+ CCDC_HORZ_BC_SZ_H_2PIXELS,
+ CCDC_HORZ_BC_SZ_H_4PIXELS,
+ CCDC_HORZ_BC_SZ_H_8PIXELS,
+ CCDC_HORZ_BC_SZ_H_16PIXELS
+};
+
+/* Size of window in vertcal direction for vertical bc */
+enum ccdc_horz_bc_sz_v {
+ CCDC_HORZ_BC_SZ_H_32PIXELS,
+ CCDC_HORZ_BC_SZ_H_64PIXELS,
+ CCDC_HORZ_BC_SZ_H_128PIXELS,
+ CCDC_HORZ_BC_SZ_H_256PIXELS
+};
+
+/**
+ * Structure for Horizontal Black Clamp config params
+ */
+struct ccdc_horz_bclamp {
+ /* horizontal clamp mode */
+ enum ccdc_horz_bc_mode mode;
+ /**
+ * pixel value limit enable.
+ * 0 - limit disabled
+ * 1 - pixel value limited to 1023
+ */
+ unsigned char clamp_pix_limit;
+ /**
+ * Select most left or right window for clamp val
+ * calculation
+ */
+ enum ccdc_horz_bc_base_win_sel base_win_sel_calc;
+ /* Window count per color for calculation. range 1-32 */
+ unsigned char win_count_calc;
+ /* Window start position - horizontal for calculation. 0 - 8191 */
+ unsigned short win_start_h_calc;
+ /* Window start position - vertical for calculation 0 - 8191 */
+ unsigned short win_start_v_calc;
+ /* Width of the sample window in pixels for calculation */
+ enum ccdc_horz_bc_sz_h win_h_sz_calc;
+ /* Height of the sample window in pixels for calculation */
+ enum ccdc_horz_bc_sz_v win_v_sz_calc;
+};
+
+/**
+ * Black Clamp vertical reset values
+ */
+enum ccdc_vert_bc_reset_val_sel {
+ /* Reset value used is the clamp value calculated */
+ CCDC_VERT_BC_USE_HORZ_CLAMP_VAL,
+ /* Reset value used is reset_clamp_val configured */
+ CCDC_VERT_BC_USE_CONFIG_CLAMP_VAL,
+ /* No update, previous image value is used */
+ CCDC_VERT_BC_NO_UPDATE
+};
+
+enum ccdc_vert_bc_sz_h {
+ CCDC_VERT_BC_SZ_H_2PIXELS,
+ CCDC_VERT_BC_SZ_H_4PIXELS,
+ CCDC_VERT_BC_SZ_H_8PIXELS,
+ CCDC_VERT_BC_SZ_H_16PIXELS,
+ CCDC_VERT_BC_SZ_H_32PIXELS,
+ CCDC_VERT_BC_SZ_H_64PIXELS
+};
+
+/**
+ * Structure for Vetical Black Clamp configuration params
+ */
+struct ccdc_vert_bclamp {
+ /* Reset value selection for vertical clamp calculation */
+ enum ccdc_vert_bc_reset_val_sel reset_val_sel;
+ /* U12 value if reset_sel = CCDC_BC_VERT_USE_CONFIG_CLAMP_VAL */
+ unsigned short reset_clamp_val;
+ /**
+ * U8Q8. Line average coefficient used in vertical clamp
+ * calculation
+ */
+ unsigned char line_ave_coef;
+ /* Width in pixels of the optical black region used for calculation. */
+ enum ccdc_vert_bc_sz_h ob_h_sz_calc;
+ /* Height of the optical black region for calculation */
+ unsigned short ob_v_sz_calc;
+ /* Optical black region start position - horizontal. 0 - 8191 */
+ unsigned short ob_start_h;
+ /* Optical black region start position - vertical 0 - 8191 */
+ unsigned short ob_start_v;
+};
+
+/**
+ * Structure for Black Clamp configuration params
+ */
+struct ccdc_black_clamp {
+ /**
+ * this offset value is added irrespective of the clamp
+ * enable status. S13
+ */
+ unsigned short dc_offset;
+ /**
+ * Enable black/digital clamp value to be subtracted
+ * from the image data
+ */
+ unsigned char en;
+ /**
+ * black clamp mode. same/separate clamp for 4 colors
+ * 0 - disable - same clamp value for all colors
+ * 1 - clamp value calculated separately for all colors
+ */
+ unsigned char bc_mode_color;
+ /* Vrtical start position for bc subtraction */
+ unsigned short vert_start_sub;
+ /* Black clamp for horizontal direction */
+ struct ccdc_horz_bclamp horz;
+ /* Black clamp for vertical direction */
+ struct ccdc_vert_bclamp vert;
+};
+
+/*************************************************************************
+** Color Space Convertion (CSC)
+*************************************************************************/
+/**
+ * Number of Coefficient values used for CSC
+ */
+#define CCDC_CSC_NUM_COEFF 16
+
+/*************************************************************************
+** Color Space Conversion parameters
+*************************************************************************/
+/**
+ * Structure used for CSC config params
+ */
+struct ccdc_color_space_conv {
+ /* Enable color space conversion */
+ unsigned char en;
+ /**
+ * csc coeffient table. S8Q5, M00 at index 0, M01 at index 1, and
+ * so forth
+ */
+ struct ccdc_float_8 coeff[CCDC_CSC_NUM_COEFF];
+};
+
+enum ccdc_datasft {
+ /* No Shift */
+ CCDC_NO_SHIFT,
+ /* 1 bit Shift */
+ CCDC_1BIT_SHIFT,
+ /* 2 bit Shift */
+ CCDC_2BIT_SHIFT,
+ /* 3 bit Shift */
+ CCDC_3BIT_SHIFT,
+ /* 4 bit Shift */
+ CCDC_4BIT_SHIFT,
+ /* 5 bit Shift */
+ CCDC_5BIT_SHIFT,
+ /* 6 bit Shift */
+ CCDC_6BIT_SHIFT
+};
+
+enum ccdc_data_msb {
+ /* MSB b15 */
+ CCDC_BIT_MSB_15,
+ /* MSB b14 */
+ CCDC_BIT_MSB_14,
+ /* MSB b13 */
+ CCDC_BIT_MSB_13,
+ /* MSB b12 */
+ CCDC_BIT_MSB_12,
+ /* MSB b11 */
+ CCDC_BIT_MSB_11,
+ /* MSB b10 */
+ CCDC_BIT_MSB_10,
+ /* MSB b9 */
+ CCDC_BIT_MSB_9,
+ /* MSB b8 */
+ CCDC_BIT_MSB_8,
+ /* MSB b7 */
+ CCDC_BIT_MSB_7
+};
+
+/*************************************************************************
+** Gain parameters
+*************************************************************************/
+/**
+ * Structure for Gain parameters
+ */
+struct ccdc_gain {
+ /* Gain for Red or ye */
+ struct ccdc_float_16 r_ye;
+ /* Gain for Gr or cy */
+ struct ccdc_float_16 gr_cy;
+ /* Gain for Gb or g */
+ struct ccdc_float_16 gb_g;
+ /* Gain for Blue or mg */
+ struct ccdc_float_16 b_mg;
+};
+
+/**
+ * Predicator types for DPCM compression
+ */
+enum ccdc_dpcm_predictor {
+ /* Choose Predictor1 for DPCM compression */
+ CCDC_DPCM_PRED1,
+ /* Choose Predictor2 for DPCM compression */
+ CCDC_DPCM_PRED2
+};
+
+#define CCDC_LINEAR_TAB_SIZE 192
+/*************************************************************************
+** Linearization parameters
+*************************************************************************/
+/**
+ * Structure for Sensor data linearization
+ */
+struct ccdc_linearize {
+ /* Enable or Disable linearization of data */
+ unsigned char en;
+ /* Shift value applied */
+ enum ccdc_datasft corr_shft;
+ /* scale factor applied U11Q10 */
+ struct ccdc_float_16 scale_fact;
+ /* Size of the linear table */
+ unsigned short table[CCDC_LINEAR_TAB_SIZE];
+};
+
+enum ccdc_cfa_pattern {
+ CCDC_CFA_PAT_MOSAIC,
+ CCDC_CFA_PAT_STRIPE
+};
+
+enum ccdc_colpats {
+ CCDC_RED,
+ CCDC_GREEN_RED,
+ CCDC_GREEN_BLUE,
+ CCDC_BLUE
+};
+
+struct ccdc_col_pat {
+ enum ccdc_colpats olop;
+ enum ccdc_colpats olep;
+ enum ccdc_colpats elop;
+ enum ccdc_colpats elep;
+};
+
+/*************************************************************************
+** CCDC Raw configuration parameters
+*************************************************************************/
+enum ccdc_fmt_mode {
+ CCDC_SPLIT,
+ CCDC_COMBINE
+};
+
+enum ccdc_lnum {
+ CCDC_1LINE,
+ CCDC_2LINES,
+ CCDC_3LINES,
+ CCDC_4LINES
+};
+
+enum ccdc_line {
+ CCDC_1STLINE,
+ CCDC_2NDLINE,
+ CCDC_3RDLINE,
+ CCDC_4THLINE
+};
+
+struct ccdc_fmtplen {
+ /**
+ * number of program entries for SET0, range 1 - 16
+ * when fmtmode is CCDC_SPLIT, 1 - 8 when fmtmode is
+ * CCDC_COMBINE
+ */
+ unsigned short plen0;
+ /**
+ * number of program entries for SET1, range 1 - 16
+ * when fmtmode is CCDC_SPLIT, 1 - 8 when fmtmode is
+ * CCDC_COMBINE
+ */
+ unsigned short plen1;
+ /**
+ * number of program entries for SET2, range 1 - 16
+ * when fmtmode is CCDC_SPLIT, 1 - 8 when fmtmode is
+ * CCDC_COMBINE
+ */
+ unsigned short plen2;
+ /**
+ * number of program entries for SET3, range 1 - 16
+ * when fmtmode is CCDC_SPLIT, 1 - 8 when fmtmode is
+ * CCDC_COMBINE
+ */
+ unsigned short plen3;
+};
+
+struct ccdc_fmt_cfg {
+ /* Split or combine or line alternate */
+ enum ccdc_fmt_mode fmtmode;
+ /* enable or disable line alternating mode */
+ unsigned char ln_alter_en;
+ /* Split/combine line number */
+ enum ccdc_lnum lnum;
+ /* Address increment Range 1 - 16 */
+ unsigned int addrinc;
+};
+
+struct ccdc_fmt_addr_ptr {
+ /* Initial address */
+ unsigned int init_addr;
+ /* output line number */
+ enum ccdc_line out_line;
+};
+
+struct ccdc_fmtpgm_ap {
+ /* program address pointer */
+ unsigned char pgm_aptr;
+ /* program address increment or decrement */
+ unsigned char pgmupdt;
+};
+
+struct ccdc_data_formatter {
+ /* Enable/Disable data formatter */
+ unsigned char en;
+ /* data formatter configuration */
+ struct ccdc_fmt_cfg cfg;
+ /* Formatter program entries length */
+ struct ccdc_fmtplen plen;
+ /* first pixel in a line fed to formatter */
+ unsigned short fmtrlen;
+ /* HD interval for output line. Only valid when split line */
+ unsigned short fmthcnt;
+ /* formatter address pointers */
+ struct ccdc_fmt_addr_ptr fmtaddr_ptr[16];
+ /* program enable/disable */
+ unsigned char pgm_en[32];
+ /* program address pointers */
+ struct ccdc_fmtpgm_ap fmtpgm_ap[32];
+};
+
+struct ccdc_df_csc {
+ /* Color Space Conversion confguration, 0 - csc, 1 - df */
+ unsigned int df_or_csc;
+ /* csc configuration valid if df_or_csc is 0 */
+ struct ccdc_color_space_conv csc;
+ /* data formatter configuration valid if df_or_csc is 1 */
+ struct ccdc_data_formatter df;
+ /* start pixel in a line at the input */
+ unsigned int start_pix;
+ /* number of pixels in input line */
+ unsigned int num_pixels;
+ /* start line at the input */
+ unsigned int start_line;
+ /* number of lines at the input */
+ unsigned int num_lines;
+};
+
+struct ccdc_gain_offsets_adj {
+ /* Enable or Disable Gain adjustment for SDRAM data */
+ unsigned char gain_sdram_en;
+ /* Enable or Disable Gain adjustment for IPIPE data */
+ unsigned char gain_ipipe_en;
+ /* Enable or Disable Gain adjustment for H3A data */
+ unsigned char gain_h3a_en;
+ /* Enable or Disable Gain adjustment for SDRAM data */
+ unsigned char offset_sdram_en;
+ /* Enable or Disable Gain adjustment for IPIPE data */
+ unsigned char offset_ipipe_en;
+ /* Enable or Disable Gain adjustment for H3A data */
+ unsigned char offset_h3a_en;
+};
+
+struct ccdc_cul {
+ /* Horizontal Cull pattern for odd lines */
+ unsigned char hcpat_odd;
+ /* Horizontal Cull pattern for even lines */
+ unsigned char hcpat_even;
+ /* Vertical Cull pattern */
+ unsigned char vcpat;
+ /* Enable or disable lpf. Apply when cull is enabled */
+ unsigned char en_lpf;
+};
+
+/* all the stuff in this struct will be provided by userland */
+struct ccdc_config_params_raw {
+ /* Linearization parameters for image sensor data input */
+ struct ccdc_linearize linearize;
+ /* Data formatter or CSC */
+ struct ccdc_df_csc df_csc;
+ /* Defect Pixel Correction (DFC) confguration */
+ struct ccdc_dfc dfc;
+ /* Black/Digital Clamp configuration */
+ struct ccdc_black_clamp bclamp;
+ /* Gain, offset adjustments */
+ struct ccdc_gain_offsets_adj gain_offset;
+ /* Culling */
+ struct ccdc_cul culling;
+ /* Predictor for DPCM compression */
+ enum ccdc_dpcm_predictor pred;
+ /* horizontal offset for Gain/LSC/DFC */
+ unsigned short horz_offset;
+ /* vertical offset for Gain/LSC/DFC */
+ unsigned short vert_offset;
+};
+
+#define VPFE_CCDC_CID_CRGAIN (V4L2_CID_USER_BASE | 0xa001)
+#define VPFE_CCDC_CID_CGRGAIN (V4L2_CID_USER_BASE | 0xa002)
+#define VPFE_CCDC_CID_CGBGAIN (V4L2_CID_USER_BASE | 0xa003)
+#define VPFE_CCDC_CID_CBGAIN (V4L2_CID_USER_BASE | 0xa004)
+#define VPFE_CCDC_CID_GAIN_OFFSET (V4L2_CID_USER_BASE | 0xa005)
+
+/*
+ * Private IOCTL
+ *
+ * VIDIOC_VPFE_CCDC_S_RAW_PARAMS: Set raw params in CCDC
+ * VIDIOC_VPFE_CCDC_G_RAW_PARAMS: Get raw params from CCDC
+ */
+
+#define VIDIOC_VPFE_CCDC_S_RAW_PARAMS \
+ _IOW('V', BASE_VIDIOC_PRIVATE + 6, struct ccdc_config_params_raw)
+#define VIDIOC_VPFE_CCDC_G_RAW_PARAMS \
+ _IOR('V', BASE_VIDIOC_PRIVATE + 7, struct ccdc_config_params_raw)
+
+#endif