diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-15 12:49:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-15 12:49:56 -0800 |
commit | 122804ecb59493fbb4d31b3ba9ac59faaf45276f (patch) | |
tree | cff4d8a158c412e4a8d3abc8d91bb0eb52b01c9a /drivers/media/video/s5p-jpeg/jpeg-hw.h | |
parent | 16008d641670571ff4cd750b416c7caf2d89f467 (diff) | |
parent | 126400033940afb658123517a2e80eb68259fbd7 (diff) |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits)
[media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver
mb86a20s: Add a few more register settings at the init seq
mb86a20s: Group registers into the same line
[media] [PATCH] don't reset the delivery system on DTV_CLEAR
[media] [BUG] it913x-fe fix typo error making SNR levels unstable
[media] cx23885: Query the CX25840 during enum_input for status
[media] cx25840: Add support for g_input_status
[media] rc-videomate-m1f.c Rename to match remote controler name
[media] drivers: media: au0828: Fix dependency for VIDEO_AU0828
[media] convert drivers/media/* to use module_platform_driver()
[media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB
[media] Exynos4 JPEG codec v4l2 driver
[media] doc: v4l: selection: choose pixels as units for selection rectangles
[media] v4l: s5p-tv: mixer: fix setup of VP scaling
[media] v4l: s5p-tv: mixer: add support for selection API
[media] v4l: emulate old crop API using extended crop/compose API
[media] doc: v4l: add documentation for selection API
[media] doc: v4l: add binary images for selection API
[media] v4l: add support for selection api
[media] hd29l2: fix review findings
...
Diffstat (limited to 'drivers/media/video/s5p-jpeg/jpeg-hw.h')
-rw-r--r-- | drivers/media/video/s5p-jpeg/jpeg-hw.h | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/drivers/media/video/s5p-jpeg/jpeg-hw.h b/drivers/media/video/s5p-jpeg/jpeg-hw.h new file mode 100644 index 000000000000..e10c744e9f23 --- /dev/null +++ b/drivers/media/video/s5p-jpeg/jpeg-hw.h @@ -0,0 +1,353 @@ +/* linux/drivers/media/video/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 "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_SUBSAMPLING_422 0 +#define S5P_JPEG_SUBSAMPLING_420 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 long mode) +{ + unsigned long reg, m; + + m = S5P_SUBSAMPLING_MODE_422; + if (mode == S5P_JPEG_SUBSAMPLING_422) + m = S5P_SUBSAMPLING_MODE_422; + else if (mode == S5P_JPEG_SUBSAMPLING_420) + m = S5P_SUBSAMPLING_MODE_420; + reg = readl(regs + S5P_JPGMOD); + reg &= ~S5P_SUBSAMPLING_MODE_MASK; + reg |= m; + writel(reg, regs + S5P_JPGMOD); +} + +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_ */ |