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path: root/drivers/media/video/s5p-fimc/fimc-reg.c
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Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-reg.c')
-rw-r--r--drivers/media/video/s5p-fimc/fimc-reg.c775
1 files changed, 0 insertions, 775 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
deleted file mode 100644
index 0e3eb9c..0000000
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ /dev/null
@@ -1,775 +0,0 @@
-/*
- * Register interface file for Samsung Camera Interface (FIMC) driver
- *
- * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd.
- * Sylwester Nawrocki, <s.nawrocki@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <media/s5p_fimc.h>
-
-#include "fimc-reg.h"
-#include "fimc-core.h"
-
-
-void fimc_hw_reset(struct fimc_dev *dev)
-{
- u32 cfg;
-
- cfg = readl(dev->regs + FIMC_REG_CISRCFMT);
- cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
- writel(cfg, dev->regs + FIMC_REG_CISRCFMT);
-
- /* Software reset. */
- cfg = readl(dev->regs + FIMC_REG_CIGCTRL);
- cfg |= (FIMC_REG_CIGCTRL_SWRST | FIMC_REG_CIGCTRL_IRQ_LEVEL);
- writel(cfg, dev->regs + FIMC_REG_CIGCTRL);
- udelay(10);
-
- cfg = readl(dev->regs + FIMC_REG_CIGCTRL);
- cfg &= ~FIMC_REG_CIGCTRL_SWRST;
- writel(cfg, dev->regs + FIMC_REG_CIGCTRL);
-
- if (dev->variant->out_buf_count > 4)
- fimc_hw_set_dma_seq(dev, 0xF);
-}
-
-static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx)
-{
- u32 flip = FIMC_REG_MSCTRL_FLIP_NORMAL;
-
- if (ctx->hflip)
- flip = FIMC_REG_MSCTRL_FLIP_X_MIRROR;
- if (ctx->vflip)
- flip = FIMC_REG_MSCTRL_FLIP_Y_MIRROR;
-
- if (ctx->rotation <= 90)
- return flip;
-
- return (flip ^ FIMC_REG_MSCTRL_FLIP_180) & FIMC_REG_MSCTRL_FLIP_180;
-}
-
-static u32 fimc_hw_get_target_flip(struct fimc_ctx *ctx)
-{
- u32 flip = FIMC_REG_CITRGFMT_FLIP_NORMAL;
-
- if (ctx->hflip)
- flip |= FIMC_REG_CITRGFMT_FLIP_X_MIRROR;
- if (ctx->vflip)
- flip |= FIMC_REG_CITRGFMT_FLIP_Y_MIRROR;
-
- if (ctx->rotation <= 90)
- return flip;
-
- return (flip ^ FIMC_REG_CITRGFMT_FLIP_180) & FIMC_REG_CITRGFMT_FLIP_180;
-}
-
-void fimc_hw_set_rotation(struct fimc_ctx *ctx)
-{
- u32 cfg, flip;
- struct fimc_dev *dev = ctx->fimc_dev;
-
- cfg = readl(dev->regs + FIMC_REG_CITRGFMT);
- cfg &= ~(FIMC_REG_CITRGFMT_INROT90 | FIMC_REG_CITRGFMT_OUTROT90 |
- FIMC_REG_CITRGFMT_FLIP_180);
-
- /*
- * The input and output rotator cannot work simultaneously.
- * Use the output rotator in output DMA mode or the input rotator
- * in direct fifo output mode.
- */
- if (ctx->rotation == 90 || ctx->rotation == 270) {
- if (ctx->out_path == FIMC_IO_LCDFIFO)
- cfg |= FIMC_REG_CITRGFMT_INROT90;
- else
- cfg |= FIMC_REG_CITRGFMT_OUTROT90;
- }
-
- if (ctx->out_path == FIMC_IO_DMA) {
- cfg |= fimc_hw_get_target_flip(ctx);
- writel(cfg, dev->regs + FIMC_REG_CITRGFMT);
- } else {
- /* LCD FIFO path */
- flip = readl(dev->regs + FIMC_REG_MSCTRL);
- flip &= ~FIMC_REG_MSCTRL_FLIP_MASK;
- flip |= fimc_hw_get_in_flip(ctx);
- writel(flip, dev->regs + FIMC_REG_MSCTRL);
- }
-}
-
-void fimc_hw_set_target_format(struct fimc_ctx *ctx)
-{
- u32 cfg;
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_frame *frame = &ctx->d_frame;
-
- dbg("w= %d, h= %d color: %d", frame->width,
- frame->height, frame->fmt->color);
-
- cfg = readl(dev->regs + FIMC_REG_CITRGFMT);
- cfg &= ~(FIMC_REG_CITRGFMT_FMT_MASK | FIMC_REG_CITRGFMT_HSIZE_MASK |
- FIMC_REG_CITRGFMT_VSIZE_MASK);
-
- switch (frame->fmt->color) {
- case FIMC_FMT_RGB444...FIMC_FMT_RGB888:
- cfg |= FIMC_REG_CITRGFMT_RGB;
- break;
- case FIMC_FMT_YCBCR420:
- cfg |= FIMC_REG_CITRGFMT_YCBCR420;
- break;
- case FIMC_FMT_YCBYCR422...FIMC_FMT_CRYCBY422:
- if (frame->fmt->colplanes == 1)
- cfg |= FIMC_REG_CITRGFMT_YCBCR422_1P;
- else
- cfg |= FIMC_REG_CITRGFMT_YCBCR422;
- break;
- default:
- break;
- }
-
- if (ctx->rotation == 90 || ctx->rotation == 270)
- cfg |= (frame->height << 16) | frame->width;
- else
- cfg |= (frame->width << 16) | frame->height;
-
- writel(cfg, dev->regs + FIMC_REG_CITRGFMT);
-
- cfg = readl(dev->regs + FIMC_REG_CITAREA);
- cfg &= ~FIMC_REG_CITAREA_MASK;
- cfg |= (frame->width * frame->height);
- writel(cfg, dev->regs + FIMC_REG_CITAREA);
-}
-
-static void fimc_hw_set_out_dma_size(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_frame *frame = &ctx->d_frame;
- u32 cfg;
-
- cfg = (frame->f_height << 16) | frame->f_width;
- writel(cfg, dev->regs + FIMC_REG_ORGOSIZE);
-
- /* Select color space conversion equation (HD/SD size).*/
- cfg = readl(dev->regs + FIMC_REG_CIGCTRL);
- if (frame->f_width >= 1280) /* HD */
- cfg |= FIMC_REG_CIGCTRL_CSC_ITU601_709;
- else /* SD */
- cfg &= ~FIMC_REG_CIGCTRL_CSC_ITU601_709;
- writel(cfg, dev->regs + FIMC_REG_CIGCTRL);
-
-}
-
-void fimc_hw_set_out_dma(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_frame *frame = &ctx->d_frame;
- struct fimc_dma_offset *offset = &frame->dma_offset;
- struct fimc_fmt *fmt = frame->fmt;
- u32 cfg;
-
- /* Set the input dma offsets. */
- cfg = (offset->y_v << 16) | offset->y_h;
- writel(cfg, dev->regs + FIMC_REG_CIOYOFF);
-
- cfg = (offset->cb_v << 16) | offset->cb_h;
- writel(cfg, dev->regs + FIMC_REG_CIOCBOFF);
-
- cfg = (offset->cr_v << 16) | offset->cr_h;
- writel(cfg, dev->regs + FIMC_REG_CIOCROFF);
-
- fimc_hw_set_out_dma_size(ctx);
-
- /* Configure chroma components order. */
- cfg = readl(dev->regs + FIMC_REG_CIOCTRL);
-
- cfg &= ~(FIMC_REG_CIOCTRL_ORDER2P_MASK |
- FIMC_REG_CIOCTRL_ORDER422_MASK |
- FIMC_REG_CIOCTRL_YCBCR_PLANE_MASK |
- FIMC_REG_CIOCTRL_RGB16FMT_MASK);
-
- if (fmt->colplanes == 1)
- cfg |= ctx->out_order_1p;
- else if (fmt->colplanes == 2)
- cfg |= ctx->out_order_2p | FIMC_REG_CIOCTRL_YCBCR_2PLANE;
- else if (fmt->colplanes == 3)
- cfg |= FIMC_REG_CIOCTRL_YCBCR_3PLANE;
-
- if (fmt->color == FIMC_FMT_RGB565)
- cfg |= FIMC_REG_CIOCTRL_RGB565;
- else if (fmt->color == FIMC_FMT_RGB555)
- cfg |= FIMC_REG_CIOCTRL_ARGB1555;
- else if (fmt->color == FIMC_FMT_RGB444)
- cfg |= FIMC_REG_CIOCTRL_ARGB4444;
-
- writel(cfg, dev->regs + FIMC_REG_CIOCTRL);
-}
-
-static void fimc_hw_en_autoload(struct fimc_dev *dev, int enable)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_ORGISIZE);
- if (enable)
- cfg |= FIMC_REG_CIREAL_ISIZE_AUTOLOAD_EN;
- else
- cfg &= ~FIMC_REG_CIREAL_ISIZE_AUTOLOAD_EN;
- writel(cfg, dev->regs + FIMC_REG_ORGISIZE);
-}
-
-void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_CIOCTRL);
- if (enable)
- cfg |= FIMC_REG_CIOCTRL_LASTIRQ_ENABLE;
- else
- cfg &= ~FIMC_REG_CIOCTRL_LASTIRQ_ENABLE;
- writel(cfg, dev->regs + FIMC_REG_CIOCTRL);
-}
-
-void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_scaler *sc = &ctx->scaler;
- u32 cfg, shfactor;
-
- shfactor = 10 - (sc->hfactor + sc->vfactor);
- cfg = shfactor << 28;
-
- cfg |= (sc->pre_hratio << 16) | sc->pre_vratio;
- writel(cfg, dev->regs + FIMC_REG_CISCPRERATIO);
-
- cfg = (sc->pre_dst_width << 16) | sc->pre_dst_height;
- writel(cfg, dev->regs + FIMC_REG_CISCPREDST);
-}
-
-static void fimc_hw_set_scaler(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_scaler *sc = &ctx->scaler;
- struct fimc_frame *src_frame = &ctx->s_frame;
- struct fimc_frame *dst_frame = &ctx->d_frame;
-
- u32 cfg = readl(dev->regs + FIMC_REG_CISCCTRL);
-
- cfg &= ~(FIMC_REG_CISCCTRL_CSCR2Y_WIDE | FIMC_REG_CISCCTRL_CSCY2R_WIDE |
- FIMC_REG_CISCCTRL_SCALEUP_H | FIMC_REG_CISCCTRL_SCALEUP_V |
- FIMC_REG_CISCCTRL_SCALERBYPASS | FIMC_REG_CISCCTRL_ONE2ONE |
- FIMC_REG_CISCCTRL_INRGB_FMT_MASK | FIMC_REG_CISCCTRL_OUTRGB_FMT_MASK |
- FIMC_REG_CISCCTRL_INTERLACE | FIMC_REG_CISCCTRL_RGB_EXT);
-
- if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
- cfg |= (FIMC_REG_CISCCTRL_CSCR2Y_WIDE |
- FIMC_REG_CISCCTRL_CSCY2R_WIDE);
-
- if (!sc->enabled)
- cfg |= FIMC_REG_CISCCTRL_SCALERBYPASS;
-
- if (sc->scaleup_h)
- cfg |= FIMC_REG_CISCCTRL_SCALEUP_H;
-
- if (sc->scaleup_v)
- cfg |= FIMC_REG_CISCCTRL_SCALEUP_V;
-
- if (sc->copy_mode)
- cfg |= FIMC_REG_CISCCTRL_ONE2ONE;
-
- if (ctx->in_path == FIMC_IO_DMA) {
- switch (src_frame->fmt->color) {
- case FIMC_FMT_RGB565:
- cfg |= FIMC_REG_CISCCTRL_INRGB_FMT_RGB565;
- break;
- case FIMC_FMT_RGB666:
- cfg |= FIMC_REG_CISCCTRL_INRGB_FMT_RGB666;
- break;
- case FIMC_FMT_RGB888:
- cfg |= FIMC_REG_CISCCTRL_INRGB_FMT_RGB888;
- break;
- }
- }
-
- if (ctx->out_path == FIMC_IO_DMA) {
- u32 color = dst_frame->fmt->color;
-
- if (color >= FIMC_FMT_RGB444 && color <= FIMC_FMT_RGB565)
- cfg |= FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB565;
- else if (color == FIMC_FMT_RGB666)
- cfg |= FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB666;
- else if (color == FIMC_FMT_RGB888)
- cfg |= FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB888;
- } else {
- cfg |= FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB888;
-
- if (ctx->flags & FIMC_SCAN_MODE_INTERLACED)
- cfg |= FIMC_REG_CISCCTRL_INTERLACE;
- }
-
- writel(cfg, dev->regs + FIMC_REG_CISCCTRL);
-}
-
-void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_variant *variant = dev->variant;
- struct fimc_scaler *sc = &ctx->scaler;
- u32 cfg;
-
- dbg("main_hratio= 0x%X main_vratio= 0x%X",
- sc->main_hratio, sc->main_vratio);
-
- fimc_hw_set_scaler(ctx);
-
- cfg = readl(dev->regs + FIMC_REG_CISCCTRL);
- cfg &= ~(FIMC_REG_CISCCTRL_MHRATIO_MASK |
- FIMC_REG_CISCCTRL_MVRATIO_MASK);
-
- if (variant->has_mainscaler_ext) {
- cfg |= FIMC_REG_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
- cfg |= FIMC_REG_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
- writel(cfg, dev->regs + FIMC_REG_CISCCTRL);
-
- cfg = readl(dev->regs + FIMC_REG_CIEXTEN);
-
- cfg &= ~(FIMC_REG_CIEXTEN_MVRATIO_EXT_MASK |
- FIMC_REG_CIEXTEN_MHRATIO_EXT_MASK);
- cfg |= FIMC_REG_CIEXTEN_MHRATIO_EXT(sc->main_hratio);
- cfg |= FIMC_REG_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
- writel(cfg, dev->regs + FIMC_REG_CIEXTEN);
- } else {
- cfg |= FIMC_REG_CISCCTRL_MHRATIO(sc->main_hratio);
- cfg |= FIMC_REG_CISCCTRL_MVRATIO(sc->main_vratio);
- writel(cfg, dev->regs + FIMC_REG_CISCCTRL);
- }
-}
-
-void fimc_hw_en_capture(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
-
- u32 cfg = readl(dev->regs + FIMC_REG_CIIMGCPT);
-
- if (ctx->out_path == FIMC_IO_DMA) {
- /* one shot mode */
- cfg |= FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE |
- FIMC_REG_CIIMGCPT_IMGCPTEN;
- } else {
- /* Continuous frame capture mode (freerun). */
- cfg &= ~(FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE |
- FIMC_REG_CIIMGCPT_CPT_FRMOD_CNT);
- cfg |= FIMC_REG_CIIMGCPT_IMGCPTEN;
- }
-
- if (ctx->scaler.enabled)
- cfg |= FIMC_REG_CIIMGCPT_IMGCPTEN_SC;
-
- cfg |= FIMC_REG_CIIMGCPT_IMGCPTEN;
- writel(cfg, dev->regs + FIMC_REG_CIIMGCPT);
-}
-
-void fimc_hw_set_effect(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_effect *effect = &ctx->effect;
- u32 cfg = 0;
-
- if (effect->type != FIMC_REG_CIIMGEFF_FIN_BYPASS) {
- cfg |= FIMC_REG_CIIMGEFF_IE_SC_AFTER |
- FIMC_REG_CIIMGEFF_IE_ENABLE;
- cfg |= effect->type;
- if (effect->type == FIMC_REG_CIIMGEFF_FIN_ARBITRARY)
- cfg |= (effect->pat_cb << 13) | effect->pat_cr;
- }
-
- writel(cfg, dev->regs + FIMC_REG_CIIMGEFF);
-}
-
-void fimc_hw_set_rgb_alpha(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_frame *frame = &ctx->d_frame;
- u32 cfg;
-
- if (!(frame->fmt->flags & FMT_HAS_ALPHA))
- return;
-
- cfg = readl(dev->regs + FIMC_REG_CIOCTRL);
- cfg &= ~FIMC_REG_CIOCTRL_ALPHA_OUT_MASK;
- cfg |= (frame->alpha << 4);
- writel(cfg, dev->regs + FIMC_REG_CIOCTRL);
-}
-
-static void fimc_hw_set_in_dma_size(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_frame *frame = &ctx->s_frame;
- u32 cfg_o = 0;
- u32 cfg_r = 0;
-
- if (FIMC_IO_LCDFIFO == ctx->out_path)
- cfg_r |= FIMC_REG_CIREAL_ISIZE_AUTOLOAD_EN;
-
- cfg_o |= (frame->f_height << 16) | frame->f_width;
- cfg_r |= (frame->height << 16) | frame->width;
-
- writel(cfg_o, dev->regs + FIMC_REG_ORGISIZE);
- writel(cfg_r, dev->regs + FIMC_REG_CIREAL_ISIZE);
-}
-
-void fimc_hw_set_in_dma(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
- struct fimc_frame *frame = &ctx->s_frame;
- struct fimc_dma_offset *offset = &frame->dma_offset;
- u32 cfg;
-
- /* Set the pixel offsets. */
- cfg = (offset->y_v << 16) | offset->y_h;
- writel(cfg, dev->regs + FIMC_REG_CIIYOFF);
-
- cfg = (offset->cb_v << 16) | offset->cb_h;
- writel(cfg, dev->regs + FIMC_REG_CIICBOFF);
-
- cfg = (offset->cr_v << 16) | offset->cr_h;
- writel(cfg, dev->regs + FIMC_REG_CIICROFF);
-
- /* Input original and real size. */
- fimc_hw_set_in_dma_size(ctx);
-
- /* Use DMA autoload only in FIFO mode. */
- fimc_hw_en_autoload(dev, ctx->out_path == FIMC_IO_LCDFIFO);
-
- /* Set the input DMA to process single frame only. */
- cfg = readl(dev->regs + FIMC_REG_MSCTRL);
- cfg &= ~(FIMC_REG_MSCTRL_INFORMAT_MASK
- | FIMC_REG_MSCTRL_IN_BURST_COUNT_MASK
- | FIMC_REG_MSCTRL_INPUT_MASK
- | FIMC_REG_MSCTRL_C_INT_IN_MASK
- | FIMC_REG_MSCTRL_2P_IN_ORDER_MASK);
-
- cfg |= (FIMC_REG_MSCTRL_IN_BURST_COUNT(4)
- | FIMC_REG_MSCTRL_INPUT_MEMORY
- | FIMC_REG_MSCTRL_FIFO_CTRL_FULL);
-
- switch (frame->fmt->color) {
- case FIMC_FMT_RGB565...FIMC_FMT_RGB888:
- cfg |= FIMC_REG_MSCTRL_INFORMAT_RGB;
- break;
- case FIMC_FMT_YCBCR420:
- cfg |= FIMC_REG_MSCTRL_INFORMAT_YCBCR420;
-
- if (frame->fmt->colplanes == 2)
- cfg |= ctx->in_order_2p | FIMC_REG_MSCTRL_C_INT_IN_2PLANE;
- else
- cfg |= FIMC_REG_MSCTRL_C_INT_IN_3PLANE;
-
- break;
- case FIMC_FMT_YCBYCR422...FIMC_FMT_CRYCBY422:
- if (frame->fmt->colplanes == 1) {
- cfg |= ctx->in_order_1p
- | FIMC_REG_MSCTRL_INFORMAT_YCBCR422_1P;
- } else {
- cfg |= FIMC_REG_MSCTRL_INFORMAT_YCBCR422;
-
- if (frame->fmt->colplanes == 2)
- cfg |= ctx->in_order_2p
- | FIMC_REG_MSCTRL_C_INT_IN_2PLANE;
- else
- cfg |= FIMC_REG_MSCTRL_C_INT_IN_3PLANE;
- }
- break;
- default:
- break;
- }
-
- writel(cfg, dev->regs + FIMC_REG_MSCTRL);
-
- /* Input/output DMA linear/tiled mode. */
- cfg = readl(dev->regs + FIMC_REG_CIDMAPARAM);
- cfg &= ~FIMC_REG_CIDMAPARAM_TILE_MASK;
-
- if (tiled_fmt(ctx->s_frame.fmt))
- cfg |= FIMC_REG_CIDMAPARAM_R_64X32;
-
- if (tiled_fmt(ctx->d_frame.fmt))
- cfg |= FIMC_REG_CIDMAPARAM_W_64X32;
-
- writel(cfg, dev->regs + FIMC_REG_CIDMAPARAM);
-}
-
-
-void fimc_hw_set_input_path(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
-
- u32 cfg = readl(dev->regs + FIMC_REG_MSCTRL);
- cfg &= ~FIMC_REG_MSCTRL_INPUT_MASK;
-
- if (ctx->in_path == FIMC_IO_DMA)
- cfg |= FIMC_REG_MSCTRL_INPUT_MEMORY;
- else
- cfg |= FIMC_REG_MSCTRL_INPUT_EXTCAM;
-
- writel(cfg, dev->regs + FIMC_REG_MSCTRL);
-}
-
-void fimc_hw_set_output_path(struct fimc_ctx *ctx)
-{
- struct fimc_dev *dev = ctx->fimc_dev;
-
- u32 cfg = readl(dev->regs + FIMC_REG_CISCCTRL);
- cfg &= ~FIMC_REG_CISCCTRL_LCDPATHEN_FIFO;
- if (ctx->out_path == FIMC_IO_LCDFIFO)
- cfg |= FIMC_REG_CISCCTRL_LCDPATHEN_FIFO;
- writel(cfg, dev->regs + FIMC_REG_CISCCTRL);
-}
-
-void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_CIREAL_ISIZE);
- cfg |= FIMC_REG_CIREAL_ISIZE_ADDR_CH_DIS;
- writel(cfg, dev->regs + FIMC_REG_CIREAL_ISIZE);
-
- writel(paddr->y, dev->regs + FIMC_REG_CIIYSA(0));
- writel(paddr->cb, dev->regs + FIMC_REG_CIICBSA(0));
- writel(paddr->cr, dev->regs + FIMC_REG_CIICRSA(0));
-
- cfg &= ~FIMC_REG_CIREAL_ISIZE_ADDR_CH_DIS;
- writel(cfg, dev->regs + FIMC_REG_CIREAL_ISIZE);
-}
-
-void fimc_hw_set_output_addr(struct fimc_dev *dev,
- struct fimc_addr *paddr, int index)
-{
- int i = (index == -1) ? 0 : index;
- do {
- writel(paddr->y, dev->regs + FIMC_REG_CIOYSA(i));
- writel(paddr->cb, dev->regs + FIMC_REG_CIOCBSA(i));
- writel(paddr->cr, dev->regs + FIMC_REG_CIOCRSA(i));
- dbg("dst_buf[%d]: 0x%X, cb: 0x%X, cr: 0x%X",
- i, paddr->y, paddr->cb, paddr->cr);
- } while (index == -1 && ++i < FIMC_MAX_OUT_BUFS);
-}
-
-int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
- struct s5p_fimc_isp_info *cam)
-{
- u32 cfg = readl(fimc->regs + FIMC_REG_CIGCTRL);
-
- cfg &= ~(FIMC_REG_CIGCTRL_INVPOLPCLK | FIMC_REG_CIGCTRL_INVPOLVSYNC |
- FIMC_REG_CIGCTRL_INVPOLHREF | FIMC_REG_CIGCTRL_INVPOLHSYNC |
- FIMC_REG_CIGCTRL_INVPOLFIELD);
-
- if (cam->flags & V4L2_MBUS_PCLK_SAMPLE_FALLING)
- cfg |= FIMC_REG_CIGCTRL_INVPOLPCLK;
-
- if (cam->flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
- cfg |= FIMC_REG_CIGCTRL_INVPOLVSYNC;
-
- if (cam->flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
- cfg |= FIMC_REG_CIGCTRL_INVPOLHREF;
-
- if (cam->flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
- cfg |= FIMC_REG_CIGCTRL_INVPOLHSYNC;
-
- if (cam->flags & V4L2_MBUS_FIELD_EVEN_LOW)
- cfg |= FIMC_REG_CIGCTRL_INVPOLFIELD;
-
- writel(cfg, fimc->regs + FIMC_REG_CIGCTRL);
-
- return 0;
-}
-
-struct mbus_pixfmt_desc {
- u32 pixelcode;
- u32 cisrcfmt;
- u16 bus_width;
-};
-
-static const struct mbus_pixfmt_desc pix_desc[] = {
- { V4L2_MBUS_FMT_YUYV8_2X8, FIMC_REG_CISRCFMT_ORDER422_YCBYCR, 8 },
- { V4L2_MBUS_FMT_YVYU8_2X8, FIMC_REG_CISRCFMT_ORDER422_YCRYCB, 8 },
- { V4L2_MBUS_FMT_VYUY8_2X8, FIMC_REG_CISRCFMT_ORDER422_CRYCBY, 8 },
- { V4L2_MBUS_FMT_UYVY8_2X8, FIMC_REG_CISRCFMT_ORDER422_CBYCRY, 8 },
-};
-
-int fimc_hw_set_camera_source(struct fimc_dev *fimc,
- struct s5p_fimc_isp_info *cam)
-{
- struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame;
- u32 cfg = 0;
- u32 bus_width;
- int i;
-
- if (cam->bus_type == FIMC_ITU_601 || cam->bus_type == FIMC_ITU_656) {
- for (i = 0; i < ARRAY_SIZE(pix_desc); i++) {
- if (fimc->vid_cap.mf.code == pix_desc[i].pixelcode) {
- cfg = pix_desc[i].cisrcfmt;
- bus_width = pix_desc[i].bus_width;
- break;
- }
- }
-
- if (i == ARRAY_SIZE(pix_desc)) {
- v4l2_err(fimc->vid_cap.vfd,
- "Camera color format not supported: %d\n",
- fimc->vid_cap.mf.code);
- return -EINVAL;
- }
-
- if (cam->bus_type == FIMC_ITU_601) {
- if (bus_width == 8)
- cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
- else if (bus_width == 16)
- cfg |= FIMC_REG_CISRCFMT_ITU601_16BIT;
- } /* else defaults to ITU-R BT.656 8-bit */
- } else if (cam->bus_type == FIMC_MIPI_CSI2) {
- if (fimc_fmt_is_jpeg(f->fmt->color))
- cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
- }
-
- cfg |= (f->o_width << 16) | f->o_height;
- writel(cfg, fimc->regs + FIMC_REG_CISRCFMT);
- return 0;
-}
-
-void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f)
-{
- u32 hoff2, voff2;
-
- u32 cfg = readl(fimc->regs + FIMC_REG_CIWDOFST);
-
- cfg &= ~(FIMC_REG_CIWDOFST_HOROFF_MASK | FIMC_REG_CIWDOFST_VEROFF_MASK);
- cfg |= FIMC_REG_CIWDOFST_OFF_EN |
- (f->offs_h << 16) | f->offs_v;
-
- writel(cfg, fimc->regs + FIMC_REG_CIWDOFST);
-
- /* See CIWDOFSTn register description in the datasheet for details. */
- hoff2 = f->o_width - f->width - f->offs_h;
- voff2 = f->o_height - f->height - f->offs_v;
- cfg = (hoff2 << 16) | voff2;
- writel(cfg, fimc->regs + FIMC_REG_CIWDOFST2);
-}
-
-int fimc_hw_set_camera_type(struct fimc_dev *fimc,
- struct s5p_fimc_isp_info *cam)
-{
- u32 cfg, tmp;
- struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
- u32 csis_data_alignment = 32;
-
- cfg = readl(fimc->regs + FIMC_REG_CIGCTRL);
-
- /* Select ITU B interface, disable Writeback path and test pattern. */
- cfg &= ~(FIMC_REG_CIGCTRL_TESTPAT_MASK | FIMC_REG_CIGCTRL_SELCAM_ITU_A |
- FIMC_REG_CIGCTRL_SELCAM_MIPI | FIMC_REG_CIGCTRL_CAMIF_SELWB |
- FIMC_REG_CIGCTRL_SELCAM_MIPI_A | FIMC_REG_CIGCTRL_CAM_JPEG);
-
- switch (cam->bus_type) {
- case FIMC_MIPI_CSI2:
- cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI;
-
- if (cam->mux_id == 0)
- cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI_A;
-
- /* TODO: add remaining supported formats. */
- switch (vid_cap->mf.code) {
- case V4L2_MBUS_FMT_VYUY8_2X8:
- tmp = FIMC_REG_CSIIMGFMT_YCBCR422_8BIT;
- break;
- case V4L2_MBUS_FMT_JPEG_1X8:
- tmp = FIMC_REG_CSIIMGFMT_USER(1);
- cfg |= FIMC_REG_CIGCTRL_CAM_JPEG;
- break;
- default:
- v4l2_err(vid_cap->vfd,
- "Not supported camera pixel format: %#x\n",
- vid_cap->mf.code);
- return -EINVAL;
- }
- tmp |= (csis_data_alignment == 32) << 8;
-
- writel(tmp, fimc->regs + FIMC_REG_CSIIMGFMT);
- break;
- case FIMC_ITU_601...FIMC_ITU_656:
- if (cam->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */
- cfg |= FIMC_REG_CIGCTRL_SELCAM_ITU_A;
- break;
- case FIMC_LCD_WB:
- cfg |= FIMC_REG_CIGCTRL_CAMIF_SELWB;
- break;
- default:
- v4l2_err(vid_cap->vfd, "Invalid camera bus type selected\n");
- return -EINVAL;
- }
- writel(cfg, fimc->regs + FIMC_REG_CIGCTRL);
-
- return 0;
-}
-
-void fimc_hw_clear_irq(struct fimc_dev *dev)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_CIGCTRL);
- cfg |= FIMC_REG_CIGCTRL_IRQ_CLR;
- writel(cfg, dev->regs + FIMC_REG_CIGCTRL);
-}
-
-void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_CISCCTRL);
- if (on)
- cfg |= FIMC_REG_CISCCTRL_SCALERSTART;
- else
- cfg &= ~FIMC_REG_CISCCTRL_SCALERSTART;
- writel(cfg, dev->regs + FIMC_REG_CISCCTRL);
-}
-
-void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_MSCTRL);
- if (on)
- cfg |= FIMC_REG_MSCTRL_ENVID;
- else
- cfg &= ~FIMC_REG_MSCTRL_ENVID;
- writel(cfg, dev->regs + FIMC_REG_MSCTRL);
-}
-
-void fimc_hw_dis_capture(struct fimc_dev *dev)
-{
- u32 cfg = readl(dev->regs + FIMC_REG_CIIMGCPT);
- cfg &= ~(FIMC_REG_CIIMGCPT_IMGCPTEN | FIMC_REG_CIIMGCPT_IMGCPTEN_SC);
- writel(cfg, dev->regs + FIMC_REG_CIIMGCPT);
-}
-
-/* Return an index to the buffer actually being written. */
-u32 fimc_hw_get_frame_index(struct fimc_dev *dev)
-{
- u32 reg;
-
- if (dev->variant->has_cistatus2) {
- reg = readl(dev->regs + FIMC_REG_CISTATUS2) & 0x3F;
- return reg > 0 ? --reg : reg;
- }
-
- reg = readl(dev->regs + FIMC_REG_CISTATUS);
-
- return (reg & FIMC_REG_CISTATUS_FRAMECNT_MASK) >>
- FIMC_REG_CISTATUS_FRAMECNT_SHIFT;
-}
-
-/* Locking: the caller holds fimc->slock */
-void fimc_activate_capture(struct fimc_ctx *ctx)
-{
- fimc_hw_enable_scaler(ctx->fimc_dev, ctx->scaler.enabled);
- fimc_hw_en_capture(ctx);
-}
-
-void fimc_deactivate_capture(struct fimc_dev *fimc)
-{
- fimc_hw_en_lastirq(fimc, true);
- fimc_hw_dis_capture(fimc);
- fimc_hw_enable_scaler(fimc, false);
- fimc_hw_en_lastirq(fimc, false);
-}
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