-s5p-jpeg-objs := jpeg-core.o
+s5p-jpeg-objs := jpeg-core.o jpeg-hw-s5p.o
obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg.o
#include <media/videobuf2-dma-contig.h>
#include "jpeg-core.h"
-#include "jpeg-hw.h"
+#include "jpeg-hw-s5p.h"
static struct s5p_jpeg_fmt formats_enc[] = {
{
src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
- jpeg_reset(jpeg->regs);
- jpeg_poweron(jpeg->regs);
- jpeg_proc_mode(jpeg->regs, ctx->mode);
+ s5p_jpeg_reset(jpeg->regs);
+ s5p_jpeg_poweron(jpeg->regs);
+ s5p_jpeg_proc_mode(jpeg->regs, ctx->mode);
if (ctx->mode == S5P_JPEG_ENCODE) {
if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565)
- jpeg_input_raw_mode(jpeg->regs, S5P_JPEG_RAW_IN_565);
+ s5p_jpeg_input_raw_mode(jpeg->regs,
+ S5P_JPEG_RAW_IN_565);
else
- jpeg_input_raw_mode(jpeg->regs, S5P_JPEG_RAW_IN_422);
- jpeg_subsampling_mode(jpeg->regs, ctx->subsampling);
- jpeg_dri(jpeg->regs, ctx->restart_interval);
- jpeg_x(jpeg->regs, ctx->out_q.w);
- jpeg_y(jpeg->regs, ctx->out_q.h);
- jpeg_imgadr(jpeg->regs, src_addr);
- jpeg_jpgadr(jpeg->regs, dst_addr);
+ s5p_jpeg_input_raw_mode(jpeg->regs,
+ S5P_JPEG_RAW_IN_422);
+ s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling);
+ s5p_jpeg_dri(jpeg->regs, ctx->restart_interval);
+ s5p_jpeg_x(jpeg->regs, ctx->out_q.w);
+ s5p_jpeg_y(jpeg->regs, ctx->out_q.h);
+ s5p_jpeg_imgadr(jpeg->regs, src_addr);
+ s5p_jpeg_jpgadr(jpeg->regs, dst_addr);
/* ultimately comes from sizeimage from userspace */
- jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size);
+ s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size);
/* JPEG RGB to YCbCr conversion matrix */
- jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11);
- jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12);
- jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13);
- jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21);
- jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22);
- jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23);
- jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31);
- jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32);
- jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33);
+ s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11);
+ s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12);
+ s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13);
+ s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21);
+ s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22);
+ s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23);
+ s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31);
+ s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32);
+ s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33);
/*
* JPEG IP allows storing 4 quantization tables
s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality);
s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality);
/* use table 0 for Y */
- jpeg_qtbl(jpeg->regs, 1, 0);
+ s5p_jpeg_qtbl(jpeg->regs, 1, 0);
/* use table 1 for Cb and Cr*/
- jpeg_qtbl(jpeg->regs, 2, 1);
- jpeg_qtbl(jpeg->regs, 3, 1);
+ s5p_jpeg_qtbl(jpeg->regs, 2, 1);
+ s5p_jpeg_qtbl(jpeg->regs, 3, 1);
/* Y, Cb, Cr use Huffman table 0 */
- jpeg_htbl_ac(jpeg->regs, 1);
- jpeg_htbl_dc(jpeg->regs, 1);
- jpeg_htbl_ac(jpeg->regs, 2);
- jpeg_htbl_dc(jpeg->regs, 2);
- jpeg_htbl_ac(jpeg->regs, 3);
- jpeg_htbl_dc(jpeg->regs, 3);
+ s5p_jpeg_htbl_ac(jpeg->regs, 1);
+ s5p_jpeg_htbl_dc(jpeg->regs, 1);
+ s5p_jpeg_htbl_ac(jpeg->regs, 2);
+ s5p_jpeg_htbl_dc(jpeg->regs, 2);
+ s5p_jpeg_htbl_ac(jpeg->regs, 3);
+ s5p_jpeg_htbl_dc(jpeg->regs, 3);
} else { /* S5P_JPEG_DECODE */
- jpeg_rst_int_enable(jpeg->regs, true);
- jpeg_data_num_int_enable(jpeg->regs, true);
- jpeg_final_mcu_num_int_enable(jpeg->regs, true);
+ s5p_jpeg_rst_int_enable(jpeg->regs, true);
+ s5p_jpeg_data_num_int_enable(jpeg->regs, true);
+ s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true);
if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV)
- jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422);
+ s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422);
else
- jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420);
- jpeg_jpgadr(jpeg->regs, src_addr);
- jpeg_imgadr(jpeg->regs, dst_addr);
+ s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420);
+ s5p_jpeg_jpgadr(jpeg->regs, src_addr);
+ s5p_jpeg_imgadr(jpeg->regs, dst_addr);
}
- jpeg_start(jpeg->regs);
+ s5p_jpeg_start(jpeg->regs);
spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
}
dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
if (curr_ctx->mode == S5P_JPEG_ENCODE)
- enc_jpeg_too_large = jpeg_enc_stream_stat(jpeg->regs);
- timer_elapsed = jpeg_timer_stat(jpeg->regs);
- op_completed = jpeg_result_stat_ok(jpeg->regs);
+ enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs);
+ timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs);
+ op_completed = s5p_jpeg_result_stat_ok(jpeg->regs);
if (curr_ctx->mode == S5P_JPEG_DECODE)
- op_completed = op_completed && jpeg_stream_stat_ok(jpeg->regs);
+ op_completed = op_completed &&
+ s5p_jpeg_stream_stat_ok(jpeg->regs);
if (enc_jpeg_too_large) {
state = VB2_BUF_STATE_ERROR;
- jpeg_clear_enc_stream_stat(jpeg->regs);
+ s5p_jpeg_clear_enc_stream_stat(jpeg->regs);
} else if (timer_elapsed) {
state = VB2_BUF_STATE_ERROR;
- jpeg_clear_timer_stat(jpeg->regs);
+ s5p_jpeg_clear_timer_stat(jpeg->regs);
} else if (!op_completed) {
state = VB2_BUF_STATE_ERROR;
} else {
- payload_size = jpeg_compressed_size(jpeg->regs);
+ payload_size = s5p_jpeg_compressed_size(jpeg->regs);
}
dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
v4l2_m2m_buf_done(dst_buf, state);
v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
- curr_ctx->subsampling = jpeg_get_subsampling_mode(jpeg->regs);
+ curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs);
spin_unlock(&jpeg->slock);
- jpeg_clear_int(jpeg->regs);
+ s5p_jpeg_clear_int(jpeg->regs);
return IRQ_HANDLED;
}
#define EOI 0xd9
#define DHP 0xde
+#define S5P_JPEG_ENCODE 0
+#define S5P_JPEG_DECODE 1
+
/* Flags that indicate a format can be used for capture/output */
#define MEM2MEM_CAPTURE (1 << 0)
#define MEM2MEM_OUTPUT (1 << 1)
+
+
/**
* struct s5p_jpeg - JPEG IP abstraction
* @lock: the mutex protecting this structure
--- /dev/null
+/* linux/drivers/media/platform/s5p-jpeg/jpeg-hw.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Andrzej Pietrasiewicz <andrzej.p@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/videodev2.h>
+
+#include "jpeg-core.h"
+#include "jpeg-regs.h"
+#include "jpeg-hw-s5p.h"
+
+void s5p_jpeg_reset(void __iomem *regs)
+{
+ unsigned long reg;
+
+ writel(1, regs + S5P_JPG_SW_RESET);
+ reg = readl(regs + S5P_JPG_SW_RESET);
+ /* no other way but polling for when JPEG IP becomes operational */
+ while (reg != 0) {
+ cpu_relax();
+ reg = readl(regs + S5P_JPG_SW_RESET);
+ }
+}
+
+void s5p_jpeg_poweron(void __iomem *regs)
+{
+ writel(S5P_POWER_ON, regs + S5P_JPGCLKCON);
+}
+
+void s5p_jpeg_input_raw_mode(void __iomem *regs, unsigned long mode)
+{
+ unsigned long reg, m;
+
+ m = S5P_MOD_SEL_565;
+ if (mode == S5P_JPEG_RAW_IN_565)
+ m = S5P_MOD_SEL_565;
+ else if (mode == S5P_JPEG_RAW_IN_422)
+ m = S5P_MOD_SEL_422;
+
+ reg = readl(regs + S5P_JPGCMOD);
+ reg &= ~S5P_MOD_SEL_MASK;
+ reg |= m;
+ writel(reg, regs + S5P_JPGCMOD);
+}
+
+void s5p_jpeg_input_raw_y16(void __iomem *regs, bool y16)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGCMOD);
+ if (y16)
+ reg |= S5P_MODE_Y16;
+ else
+ reg &= ~S5P_MODE_Y16_MASK;
+ writel(reg, regs + S5P_JPGCMOD);
+}
+
+void s5p_jpeg_proc_mode(void __iomem *regs, unsigned long mode)
+{
+ unsigned long reg, m;
+
+ m = S5P_PROC_MODE_DECOMPR;
+ if (mode == S5P_JPEG_ENCODE)
+ m = S5P_PROC_MODE_COMPR;
+ else
+ m = S5P_PROC_MODE_DECOMPR;
+ reg = readl(regs + S5P_JPGMOD);
+ reg &= ~S5P_PROC_MODE_MASK;
+ reg |= m;
+ writel(reg, regs + S5P_JPGMOD);
+}
+
+void s5p_jpeg_subsampling_mode(void __iomem *regs, unsigned int mode)
+{
+ unsigned long reg, m;
+
+ if (mode == V4L2_JPEG_CHROMA_SUBSAMPLING_420)
+ m = S5P_SUBSAMPLING_MODE_420;
+ else
+ m = S5P_SUBSAMPLING_MODE_422;
+
+ reg = readl(regs + S5P_JPGMOD);
+ reg &= ~S5P_SUBSAMPLING_MODE_MASK;
+ reg |= m;
+ writel(reg, regs + S5P_JPGMOD);
+}
+
+unsigned int s5p_jpeg_get_subsampling_mode(void __iomem *regs)
+{
+ return readl(regs + S5P_JPGMOD) & S5P_SUBSAMPLING_MODE_MASK;
+}
+
+void s5p_jpeg_dri(void __iomem *regs, unsigned int dri)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGDRI_U);
+ reg &= ~0xff;
+ reg |= (dri >> 8) & 0xff;
+ writel(reg, regs + S5P_JPGDRI_U);
+
+ reg = readl(regs + S5P_JPGDRI_L);
+ reg &= ~0xff;
+ reg |= dri & 0xff;
+ writel(reg, regs + S5P_JPGDRI_L);
+}
+
+void s5p_jpeg_qtbl(void __iomem *regs, unsigned int t, unsigned int n)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_QTBL);
+ reg &= ~S5P_QT_NUMt_MASK(t);
+ reg |= (n << S5P_QT_NUMt_SHIFT(t)) & S5P_QT_NUMt_MASK(t);
+ writel(reg, regs + S5P_JPG_QTBL);
+}
+
+void s5p_jpeg_htbl_ac(void __iomem *regs, unsigned int t)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_HTBL);
+ reg &= ~S5P_HT_NUMt_AC_MASK(t);
+ /* this driver uses table 0 for all color components */
+ reg |= (0 << S5P_HT_NUMt_AC_SHIFT(t)) & S5P_HT_NUMt_AC_MASK(t);
+ writel(reg, regs + S5P_JPG_HTBL);
+}
+
+void s5p_jpeg_htbl_dc(void __iomem *regs, unsigned int t)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_HTBL);
+ reg &= ~S5P_HT_NUMt_DC_MASK(t);
+ /* this driver uses table 0 for all color components */
+ reg |= (0 << S5P_HT_NUMt_DC_SHIFT(t)) & S5P_HT_NUMt_DC_MASK(t);
+ writel(reg, regs + S5P_JPG_HTBL);
+}
+
+void s5p_jpeg_y(void __iomem *regs, unsigned int y)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGY_U);
+ reg &= ~0xff;
+ reg |= (y >> 8) & 0xff;
+ writel(reg, regs + S5P_JPGY_U);
+
+ reg = readl(regs + S5P_JPGY_L);
+ reg &= ~0xff;
+ reg |= y & 0xff;
+ writel(reg, regs + S5P_JPGY_L);
+}
+
+void s5p_jpeg_x(void __iomem *regs, unsigned int x)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGX_U);
+ reg &= ~0xff;
+ reg |= (x >> 8) & 0xff;
+ writel(reg, regs + S5P_JPGX_U);
+
+ reg = readl(regs + S5P_JPGX_L);
+ reg &= ~0xff;
+ reg |= x & 0xff;
+ writel(reg, regs + S5P_JPGX_L);
+}
+
+void s5p_jpeg_rst_int_enable(void __iomem *regs, bool enable)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGINTSE);
+ reg &= ~S5P_RSTm_INT_EN_MASK;
+ if (enable)
+ reg |= S5P_RSTm_INT_EN;
+ writel(reg, regs + S5P_JPGINTSE);
+}
+
+void s5p_jpeg_data_num_int_enable(void __iomem *regs, bool enable)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGINTSE);
+ reg &= ~S5P_DATA_NUM_INT_EN_MASK;
+ if (enable)
+ reg |= S5P_DATA_NUM_INT_EN;
+ writel(reg, regs + S5P_JPGINTSE);
+}
+
+void s5p_jpeg_final_mcu_num_int_enable(void __iomem *regs, bool enbl)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGINTSE);
+ reg &= ~S5P_FINAL_MCU_NUM_INT_EN_MASK;
+ if (enbl)
+ reg |= S5P_FINAL_MCU_NUM_INT_EN;
+ writel(reg, regs + S5P_JPGINTSE);
+}
+
+void s5p_jpeg_timer_enable(void __iomem *regs, unsigned long val)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_TIMER_SE);
+ reg |= S5P_TIMER_INT_EN;
+ reg &= ~S5P_TIMER_INIT_MASK;
+ reg |= val & S5P_TIMER_INIT_MASK;
+ writel(reg, regs + S5P_JPG_TIMER_SE);
+}
+
+void s5p_jpeg_timer_disable(void __iomem *regs)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_TIMER_SE);
+ reg &= ~S5P_TIMER_INT_EN_MASK;
+ writel(reg, regs + S5P_JPG_TIMER_SE);
+}
+
+int s5p_jpeg_timer_stat(void __iomem *regs)
+{
+ return (int)((readl(regs + S5P_JPG_TIMER_ST) & S5P_TIMER_INT_STAT_MASK)
+ >> S5P_TIMER_INT_STAT_SHIFT);
+}
+
+void s5p_jpeg_clear_timer_stat(void __iomem *regs)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_TIMER_SE);
+ reg &= ~S5P_TIMER_INT_STAT_MASK;
+ writel(reg, regs + S5P_JPG_TIMER_SE);
+}
+
+void s5p_jpeg_enc_stream_int(void __iomem *regs, unsigned long size)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_ENC_STREAM_INTSE);
+ reg &= ~S5P_ENC_STREAM_BOUND_MASK;
+ reg |= S5P_ENC_STREAM_INT_EN;
+ reg |= size & S5P_ENC_STREAM_BOUND_MASK;
+ writel(reg, regs + S5P_JPG_ENC_STREAM_INTSE);
+}
+
+int s5p_jpeg_enc_stream_stat(void __iomem *regs)
+{
+ return (int)(readl(regs + S5P_JPG_ENC_STREAM_INTST) &
+ S5P_ENC_STREAM_INT_STAT_MASK);
+}
+
+void s5p_jpeg_clear_enc_stream_stat(void __iomem *regs)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_ENC_STREAM_INTSE);
+ reg &= ~S5P_ENC_STREAM_INT_MASK;
+ writel(reg, regs + S5P_JPG_ENC_STREAM_INTSE);
+}
+
+void s5p_jpeg_outform_raw(void __iomem *regs, unsigned long format)
+{
+ unsigned long reg, f;
+
+ f = S5P_DEC_OUT_FORMAT_422;
+ if (format == S5P_JPEG_RAW_OUT_422)
+ f = S5P_DEC_OUT_FORMAT_422;
+ else if (format == S5P_JPEG_RAW_OUT_420)
+ f = S5P_DEC_OUT_FORMAT_420;
+ reg = readl(regs + S5P_JPG_OUTFORM);
+ reg &= ~S5P_DEC_OUT_FORMAT_MASK;
+ reg |= f;
+ writel(reg, regs + S5P_JPG_OUTFORM);
+}
+
+void s5p_jpeg_jpgadr(void __iomem *regs, unsigned long addr)
+{
+ writel(addr, regs + S5P_JPG_JPGADR);
+}
+
+void s5p_jpeg_imgadr(void __iomem *regs, unsigned long addr)
+{
+ writel(addr, regs + S5P_JPG_IMGADR);
+}
+
+void s5p_jpeg_coef(void __iomem *regs, unsigned int i,
+ unsigned int j, unsigned int coef)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPG_COEF(i));
+ reg &= ~S5P_COEFn_MASK(j);
+ reg |= (coef << S5P_COEFn_SHIFT(j)) & S5P_COEFn_MASK(j);
+ writel(reg, regs + S5P_JPG_COEF(i));
+}
+
+void s5p_jpeg_start(void __iomem *regs)
+{
+ writel(1, regs + S5P_JSTART);
+}
+
+int s5p_jpeg_result_stat_ok(void __iomem *regs)
+{
+ return (int)((readl(regs + S5P_JPGINTST) & S5P_RESULT_STAT_MASK)
+ >> S5P_RESULT_STAT_SHIFT);
+}
+
+int s5p_jpeg_stream_stat_ok(void __iomem *regs)
+{
+ return !(int)((readl(regs + S5P_JPGINTST) & S5P_STREAM_STAT_MASK)
+ >> S5P_STREAM_STAT_SHIFT);
+}
+
+void s5p_jpeg_clear_int(void __iomem *regs)
+{
+ unsigned long reg;
+
+ reg = readl(regs + S5P_JPGINTST);
+ writel(S5P_INT_RELEASE, regs + S5P_JPGCOM);
+ reg = readl(regs + S5P_JPGOPR);
+}
+
+unsigned int s5p_jpeg_compressed_size(void __iomem *regs)
+{
+ unsigned long jpeg_size = 0;
+
+ jpeg_size |= (readl(regs + S5P_JPGCNT_U) & 0xff) << 16;
+ jpeg_size |= (readl(regs + S5P_JPGCNT_M) & 0xff) << 8;
+ jpeg_size |= (readl(regs + S5P_JPGCNT_L) & 0xff);
+
+ return (unsigned int)jpeg_size;
+}
--- /dev/null
+/* linux/drivers/media/platform/s5p-jpeg/jpeg-hw.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Andrzej Pietrasiewicz <andrzej.p@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.
+ */
+#ifndef JPEG_HW_S5P_H_
+#define JPEG_HW_S5P_H_
+
+#include <linux/io.h>
+#include <linux/videodev2.h>
+
+#include "jpeg-regs.h"
+
+#define S5P_JPEG_MIN_WIDTH 32
+#define S5P_JPEG_MIN_HEIGHT 32
+#define S5P_JPEG_MAX_WIDTH 8192
+#define S5P_JPEG_MAX_HEIGHT 8192
+#define S5P_JPEG_RAW_IN_565 0
+#define S5P_JPEG_RAW_IN_422 1
+#define S5P_JPEG_RAW_OUT_422 0
+#define S5P_JPEG_RAW_OUT_420 1
+
+void s5p_jpeg_reset(void __iomem *regs);
+void s5p_jpeg_poweron(void __iomem *regs);
+void s5p_jpeg_input_raw_mode(void __iomem *regs, unsigned long mode);
+void s5p_jpeg_input_raw_y16(void __iomem *regs, bool y16);
+void s5p_jpeg_proc_mode(void __iomem *regs, unsigned long mode);
+void s5p_jpeg_subsampling_mode(void __iomem *regs, unsigned int mode);
+unsigned int s5p_jpeg_get_subsampling_mode(void __iomem *regs);
+void s5p_jpeg_dri(void __iomem *regs, unsigned int dri);
+void s5p_jpeg_qtbl(void __iomem *regs, unsigned int t, unsigned int n);
+void s5p_jpeg_htbl_ac(void __iomem *regs, unsigned int t);
+void s5p_jpeg_htbl_dc(void __iomem *regs, unsigned int t);
+void s5p_jpeg_y(void __iomem *regs, unsigned int y);
+void s5p_jpeg_x(void __iomem *regs, unsigned int x);
+void s5p_jpeg_rst_int_enable(void __iomem *regs, bool enable);
+void s5p_jpeg_data_num_int_enable(void __iomem *regs, bool enable);
+void s5p_jpeg_final_mcu_num_int_enable(void __iomem *regs, bool enbl);
+void s5p_jpeg_timer_enable(void __iomem *regs, unsigned long val);
+void s5p_jpeg_timer_disable(void __iomem *regs);
+int s5p_jpeg_timer_stat(void __iomem *regs);
+void s5p_jpeg_clear_timer_stat(void __iomem *regs);
+void s5p_jpeg_enc_stream_int(void __iomem *regs, unsigned long size);
+int s5p_jpeg_enc_stream_stat(void __iomem *regs);
+void s5p_jpeg_clear_enc_stream_stat(void __iomem *regs);
+void s5p_jpeg_outform_raw(void __iomem *regs, unsigned long format);
+void s5p_jpeg_jpgadr(void __iomem *regs, unsigned long addr);
+void s5p_jpeg_imgadr(void __iomem *regs, unsigned long addr);
+void s5p_jpeg_coef(void __iomem *regs, unsigned int i,
+ unsigned int j, unsigned int coef);
+void s5p_jpeg_start(void __iomem *regs);
+int s5p_jpeg_result_stat_ok(void __iomem *regs);
+int s5p_jpeg_stream_stat_ok(void __iomem *regs);
+void s5p_jpeg_clear_int(void __iomem *regs);
+unsigned int s5p_jpeg_compressed_size(void __iomem *regs);
+
+#endif /* JPEG_HW_S5P_H_ */
+++ /dev/null
-/* linux/drivers/media/platform/s5p-jpeg/jpeg-hw.h
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Author: Andrzej Pietrasiewicz <andrzej.p@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.
- */
-#ifndef JPEG_HW_H_
-#define JPEG_HW_H_
-
-#include <linux/io.h>
-#include <linux/videodev2.h>
-
-#include "jpeg-hw.h"
-#include "jpeg-regs.h"
-
-#define S5P_JPEG_MIN_WIDTH 32
-#define S5P_JPEG_MIN_HEIGHT 32
-#define S5P_JPEG_MAX_WIDTH 8192
-#define S5P_JPEG_MAX_HEIGHT 8192
-#define S5P_JPEG_ENCODE 0
-#define S5P_JPEG_DECODE 1
-#define S5P_JPEG_RAW_IN_565 0
-#define S5P_JPEG_RAW_IN_422 1
-#define S5P_JPEG_RAW_OUT_422 0
-#define S5P_JPEG_RAW_OUT_420 1
-
-static inline void jpeg_reset(void __iomem *regs)
-{
- unsigned long reg;
-
- writel(1, regs + S5P_JPG_SW_RESET);
- reg = readl(regs + S5P_JPG_SW_RESET);
- /* no other way but polling for when JPEG IP becomes operational */
- while (reg != 0) {
- cpu_relax();
- reg = readl(regs + S5P_JPG_SW_RESET);
- }
-}
-
-static inline void jpeg_poweron(void __iomem *regs)
-{
- writel(S5P_POWER_ON, regs + S5P_JPGCLKCON);
-}
-
-static inline void jpeg_input_raw_mode(void __iomem *regs, unsigned long mode)
-{
- unsigned long reg, m;
-
- m = S5P_MOD_SEL_565;
- if (mode == S5P_JPEG_RAW_IN_565)
- m = S5P_MOD_SEL_565;
- else if (mode == S5P_JPEG_RAW_IN_422)
- m = S5P_MOD_SEL_422;
-
- reg = readl(regs + S5P_JPGCMOD);
- reg &= ~S5P_MOD_SEL_MASK;
- reg |= m;
- writel(reg, regs + S5P_JPGCMOD);
-}
-
-static inline void jpeg_input_raw_y16(void __iomem *regs, bool y16)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGCMOD);
- if (y16)
- reg |= S5P_MODE_Y16;
- else
- reg &= ~S5P_MODE_Y16_MASK;
- writel(reg, regs + S5P_JPGCMOD);
-}
-
-static inline void jpeg_proc_mode(void __iomem *regs, unsigned long mode)
-{
- unsigned long reg, m;
-
- m = S5P_PROC_MODE_DECOMPR;
- if (mode == S5P_JPEG_ENCODE)
- m = S5P_PROC_MODE_COMPR;
- else
- m = S5P_PROC_MODE_DECOMPR;
- reg = readl(regs + S5P_JPGMOD);
- reg &= ~S5P_PROC_MODE_MASK;
- reg |= m;
- writel(reg, regs + S5P_JPGMOD);
-}
-
-static inline void jpeg_subsampling_mode(void __iomem *regs, unsigned int mode)
-{
- unsigned long reg, m;
-
- if (mode == V4L2_JPEG_CHROMA_SUBSAMPLING_420)
- m = S5P_SUBSAMPLING_MODE_420;
- else
- m = S5P_SUBSAMPLING_MODE_422;
-
- reg = readl(regs + S5P_JPGMOD);
- reg &= ~S5P_SUBSAMPLING_MODE_MASK;
- reg |= m;
- writel(reg, regs + S5P_JPGMOD);
-}
-
-static inline unsigned int jpeg_get_subsampling_mode(void __iomem *regs)
-{
- return readl(regs + S5P_JPGMOD) & S5P_SUBSAMPLING_MODE_MASK;
-}
-
-static inline void jpeg_dri(void __iomem *regs, unsigned int dri)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGDRI_U);
- reg &= ~0xff;
- reg |= (dri >> 8) & 0xff;
- writel(reg, regs + S5P_JPGDRI_U);
-
- reg = readl(regs + S5P_JPGDRI_L);
- reg &= ~0xff;
- reg |= dri & 0xff;
- writel(reg, regs + S5P_JPGDRI_L);
-}
-
-static inline void jpeg_qtbl(void __iomem *regs, unsigned int t, unsigned int n)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_QTBL);
- reg &= ~S5P_QT_NUMt_MASK(t);
- reg |= (n << S5P_QT_NUMt_SHIFT(t)) & S5P_QT_NUMt_MASK(t);
- writel(reg, regs + S5P_JPG_QTBL);
-}
-
-static inline void jpeg_htbl_ac(void __iomem *regs, unsigned int t)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_HTBL);
- reg &= ~S5P_HT_NUMt_AC_MASK(t);
- /* this driver uses table 0 for all color components */
- reg |= (0 << S5P_HT_NUMt_AC_SHIFT(t)) & S5P_HT_NUMt_AC_MASK(t);
- writel(reg, regs + S5P_JPG_HTBL);
-}
-
-static inline void jpeg_htbl_dc(void __iomem *regs, unsigned int t)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_HTBL);
- reg &= ~S5P_HT_NUMt_DC_MASK(t);
- /* this driver uses table 0 for all color components */
- reg |= (0 << S5P_HT_NUMt_DC_SHIFT(t)) & S5P_HT_NUMt_DC_MASK(t);
- writel(reg, regs + S5P_JPG_HTBL);
-}
-
-static inline void jpeg_y(void __iomem *regs, unsigned int y)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGY_U);
- reg &= ~0xff;
- reg |= (y >> 8) & 0xff;
- writel(reg, regs + S5P_JPGY_U);
-
- reg = readl(regs + S5P_JPGY_L);
- reg &= ~0xff;
- reg |= y & 0xff;
- writel(reg, regs + S5P_JPGY_L);
-}
-
-static inline void jpeg_x(void __iomem *regs, unsigned int x)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGX_U);
- reg &= ~0xff;
- reg |= (x >> 8) & 0xff;
- writel(reg, regs + S5P_JPGX_U);
-
- reg = readl(regs + S5P_JPGX_L);
- reg &= ~0xff;
- reg |= x & 0xff;
- writel(reg, regs + S5P_JPGX_L);
-}
-
-static inline void jpeg_rst_int_enable(void __iomem *regs, bool enable)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGINTSE);
- reg &= ~S5P_RSTm_INT_EN_MASK;
- if (enable)
- reg |= S5P_RSTm_INT_EN;
- writel(reg, regs + S5P_JPGINTSE);
-}
-
-static inline void jpeg_data_num_int_enable(void __iomem *regs, bool enable)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGINTSE);
- reg &= ~S5P_DATA_NUM_INT_EN_MASK;
- if (enable)
- reg |= S5P_DATA_NUM_INT_EN;
- writel(reg, regs + S5P_JPGINTSE);
-}
-
-static inline void jpeg_final_mcu_num_int_enable(void __iomem *regs, bool enbl)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGINTSE);
- reg &= ~S5P_FINAL_MCU_NUM_INT_EN_MASK;
- if (enbl)
- reg |= S5P_FINAL_MCU_NUM_INT_EN;
- writel(reg, regs + S5P_JPGINTSE);
-}
-
-static inline void jpeg_timer_enable(void __iomem *regs, unsigned long val)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_TIMER_SE);
- reg |= S5P_TIMER_INT_EN;
- reg &= ~S5P_TIMER_INIT_MASK;
- reg |= val & S5P_TIMER_INIT_MASK;
- writel(reg, regs + S5P_JPG_TIMER_SE);
-}
-
-static inline void jpeg_timer_disable(void __iomem *regs)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_TIMER_SE);
- reg &= ~S5P_TIMER_INT_EN_MASK;
- writel(reg, regs + S5P_JPG_TIMER_SE);
-}
-
-static inline int jpeg_timer_stat(void __iomem *regs)
-{
- return (int)((readl(regs + S5P_JPG_TIMER_ST) & S5P_TIMER_INT_STAT_MASK)
- >> S5P_TIMER_INT_STAT_SHIFT);
-}
-
-static inline void jpeg_clear_timer_stat(void __iomem *regs)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_TIMER_SE);
- reg &= ~S5P_TIMER_INT_STAT_MASK;
- writel(reg, regs + S5P_JPG_TIMER_SE);
-}
-
-static inline void jpeg_enc_stream_int(void __iomem *regs, unsigned long size)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_ENC_STREAM_INTSE);
- reg &= ~S5P_ENC_STREAM_BOUND_MASK;
- reg |= S5P_ENC_STREAM_INT_EN;
- reg |= size & S5P_ENC_STREAM_BOUND_MASK;
- writel(reg, regs + S5P_JPG_ENC_STREAM_INTSE);
-}
-
-static inline int jpeg_enc_stream_stat(void __iomem *regs)
-{
- return (int)(readl(regs + S5P_JPG_ENC_STREAM_INTST) &
- S5P_ENC_STREAM_INT_STAT_MASK);
-}
-
-static inline void jpeg_clear_enc_stream_stat(void __iomem *regs)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_ENC_STREAM_INTSE);
- reg &= ~S5P_ENC_STREAM_INT_MASK;
- writel(reg, regs + S5P_JPG_ENC_STREAM_INTSE);
-}
-
-static inline void jpeg_outform_raw(void __iomem *regs, unsigned long format)
-{
- unsigned long reg, f;
-
- f = S5P_DEC_OUT_FORMAT_422;
- if (format == S5P_JPEG_RAW_OUT_422)
- f = S5P_DEC_OUT_FORMAT_422;
- else if (format == S5P_JPEG_RAW_OUT_420)
- f = S5P_DEC_OUT_FORMAT_420;
- reg = readl(regs + S5P_JPG_OUTFORM);
- reg &= ~S5P_DEC_OUT_FORMAT_MASK;
- reg |= f;
- writel(reg, regs + S5P_JPG_OUTFORM);
-}
-
-static inline void jpeg_jpgadr(void __iomem *regs, unsigned long addr)
-{
- writel(addr, regs + S5P_JPG_JPGADR);
-}
-
-static inline void jpeg_imgadr(void __iomem *regs, unsigned long addr)
-{
- writel(addr, regs + S5P_JPG_IMGADR);
-}
-
-static inline void jpeg_coef(void __iomem *regs, unsigned int i,
- unsigned int j, unsigned int coef)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPG_COEF(i));
- reg &= ~S5P_COEFn_MASK(j);
- reg |= (coef << S5P_COEFn_SHIFT(j)) & S5P_COEFn_MASK(j);
- writel(reg, regs + S5P_JPG_COEF(i));
-}
-
-static inline void jpeg_start(void __iomem *regs)
-{
- writel(1, regs + S5P_JSTART);
-}
-
-static inline int jpeg_result_stat_ok(void __iomem *regs)
-{
- return (int)((readl(regs + S5P_JPGINTST) & S5P_RESULT_STAT_MASK)
- >> S5P_RESULT_STAT_SHIFT);
-}
-
-static inline int jpeg_stream_stat_ok(void __iomem *regs)
-{
- return !(int)((readl(regs + S5P_JPGINTST) & S5P_STREAM_STAT_MASK)
- >> S5P_STREAM_STAT_SHIFT);
-}
-
-static inline void jpeg_clear_int(void __iomem *regs)
-{
- unsigned long reg;
-
- reg = readl(regs + S5P_JPGINTST);
- writel(S5P_INT_RELEASE, regs + S5P_JPGCOM);
- reg = readl(regs + S5P_JPGOPR);
-}
-
-static inline unsigned int jpeg_compressed_size(void __iomem *regs)
-{
- unsigned long jpeg_size = 0;
-
- jpeg_size |= (readl(regs + S5P_JPGCNT_U) & 0xff) << 16;
- jpeg_size |= (readl(regs + S5P_JPGCNT_M) & 0xff) << 8;
- jpeg_size |= (readl(regs + S5P_JPGCNT_L) & 0xff);
-
- return (unsigned int)jpeg_size;
-}
-
-#endif /* JPEG_HW_H_ */
projects / linux-block.git / commitdiff