mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 17:29:05 +07:00
2c3fb08b3f
The remaining drivers are mostly platform drivers. Name the dir to reflect it. It makes sense to latter break it into a few other dirs. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
358 lines
8.4 KiB
C
358 lines
8.4 KiB
C
/* 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_ */
|