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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Samsung camera host interface (FIMC) registers definition
*
* Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd.
*/
#ifndef FIMC_REG_H_
#define FIMC_REG_H_
#include <linux/bitops.h>
#include "fimc-core.h"
/* Input source format */
#define FIMC_REG_CISRCFMT 0x00
#define FIMC_REG_CISRCFMT_ITU601_8BIT BIT(31)
#define FIMC_REG_CISRCFMT_ITU601_16BIT BIT(29)
#define FIMC_REG_CISRCFMT_ORDER422_YCBYCR (0 << 14)
#define FIMC_REG_CISRCFMT_ORDER422_YCRYCB (1 << 14)
#define FIMC_REG_CISRCFMT_ORDER422_CBYCRY (2 << 14)
#define FIMC_REG_CISRCFMT_ORDER422_CRYCBY (3 << 14)
/* Window offset */
#define FIMC_REG_CIWDOFST 0x04
#define FIMC_REG_CIWDOFST_OFF_EN BIT(31)
#define FIMC_REG_CIWDOFST_CLROVFIY BIT(30)
#define FIMC_REG_CIWDOFST_CLROVRLB BIT(29)
#define FIMC_REG_CIWDOFST_HOROFF_MASK (0x7ff << 16)
#define FIMC_REG_CIWDOFST_CLROVFICB BIT(15)
#define FIMC_REG_CIWDOFST_CLROVFICR BIT(14)
#define FIMC_REG_CIWDOFST_VEROFF_MASK (0xfff << 0)
/* Global control */
#define FIMC_REG_CIGCTRL 0x08
#define FIMC_REG_CIGCTRL_SWRST BIT(31)
#define FIMC_REG_CIGCTRL_CAMRST_A BIT(30)
#define FIMC_REG_CIGCTRL_SELCAM_ITU_A BIT(29)
#define FIMC_REG_CIGCTRL_TESTPAT_NORMAL (0 << 27)
#define FIMC_REG_CIGCTRL_TESTPAT_COLOR_BAR (1 << 27)
#define FIMC_REG_CIGCTRL_TESTPAT_HOR_INC (2 << 27)
#define FIMC_REG_CIGCTRL_TESTPAT_VER_INC (3 << 27)
#define FIMC_REG_CIGCTRL_TESTPAT_MASK (3 << 27)
#define FIMC_REG_CIGCTRL_TESTPAT_SHIFT 27
#define FIMC_REG_CIGCTRL_INVPOLPCLK BIT(26)
#define FIMC_REG_CIGCTRL_INVPOLVSYNC BIT(25)
#define FIMC_REG_CIGCTRL_INVPOLHREF BIT(24)
#define FIMC_REG_CIGCTRL_IRQ_OVFEN BIT(22)
#define FIMC_REG_CIGCTRL_HREF_MASK BIT(21)
#define FIMC_REG_CIGCTRL_IRQ_LEVEL BIT(20)
#define FIMC_REG_CIGCTRL_IRQ_CLR BIT(19)
#define FIMC_REG_CIGCTRL_IRQ_ENABLE BIT(16)
#define FIMC_REG_CIGCTRL_SHDW_DISABLE BIT(12)
/* 0 - selects Writeback A (LCD), 1 - selects Writeback B (LCD/ISP) */
#define FIMC_REG_CIGCTRL_SELWB_A BIT(10)
#define FIMC_REG_CIGCTRL_CAM_JPEG BIT(8)
#define FIMC_REG_CIGCTRL_SELCAM_MIPI_A BIT(7)
#define FIMC_REG_CIGCTRL_CAMIF_SELWB BIT(6)
/* 0 - ITU601; 1 - ITU709 */
#define FIMC_REG_CIGCTRL_CSC_ITU601_709 BIT(5)
#define FIMC_REG_CIGCTRL_INVPOLHSYNC BIT(4)
#define FIMC_REG_CIGCTRL_SELCAM_MIPI BIT(3)
#define FIMC_REG_CIGCTRL_INVPOLFIELD BIT(1)
#define FIMC_REG_CIGCTRL_INTERLACE BIT(0)
/* Window offset 2 */
#define FIMC_REG_CIWDOFST2 0x14
#define FIMC_REG_CIWDOFST2_HOROFF_MASK (0xfff << 16)
#define FIMC_REG_CIWDOFST2_VEROFF_MASK (0xfff << 0)
/* Output DMA Y/Cb/Cr plane start addresses */
#define FIMC_REG_CIOYSA(n) (0x18 + (n) * 4)
#define FIMC_REG_CIOCBSA(n) (0x28 + (n) * 4)
#define FIMC_REG_CIOCRSA(n) (0x38 + (n) * 4)
/* Target image format */
#define FIMC_REG_CITRGFMT 0x48
#define FIMC_REG_CITRGFMT_INROT90 BIT(31)
#define FIMC_REG_CITRGFMT_YCBCR420 (0 << 29)
#define FIMC_REG_CITRGFMT_YCBCR422 (1 << 29)
#define FIMC_REG_CITRGFMT_YCBCR422_1P (2 << 29)
#define FIMC_REG_CITRGFMT_RGB (3 << 29)
#define FIMC_REG_CITRGFMT_FMT_MASK (3 << 29)
#define FIMC_REG_CITRGFMT_HSIZE_MASK (0xfff << 16)
#define FIMC_REG_CITRGFMT_FLIP_SHIFT 14
#define FIMC_REG_CITRGFMT_FLIP_NORMAL (0 << 14)
#define FIMC_REG_CITRGFMT_FLIP_X_MIRROR (1 << 14)
#define FIMC_REG_CITRGFMT_FLIP_Y_MIRROR (2 << 14)
#define FIMC_REG_CITRGFMT_FLIP_180 (3 << 14)
#define FIMC_REG_CITRGFMT_FLIP_MASK (3 << 14)
#define FIMC_REG_CITRGFMT_OUTROT90 BIT(13)
#define FIMC_REG_CITRGFMT_VSIZE_MASK (0xfff << 0)
/* Output DMA control */
#define FIMC_REG_CIOCTRL 0x4c
#define FIMC_REG_CIOCTRL_ORDER422_MASK (3 << 0)
#define FIMC_REG_CIOCTRL_ORDER422_YCBYCR (0 << 0)
#define FIMC_REG_CIOCTRL_ORDER422_YCRYCB (1 << 0)
#define FIMC_REG_CIOCTRL_ORDER422_CBYCRY (2 << 0)
#define FIMC_REG_CIOCTRL_ORDER422_CRYCBY (3 << 0)
#define FIMC_REG_CIOCTRL_LASTIRQ_ENABLE BIT(2)
#define FIMC_REG_CIOCTRL_YCBCR_3PLANE (0 << 3)
#define FIMC_REG_CIOCTRL_YCBCR_2PLANE (1 << 3)
#define FIMC_REG_CIOCTRL_YCBCR_PLANE_MASK (1 << 3)
#define FIMC_REG_CIOCTRL_ALPHA_OUT_MASK (0xff << 4)
#define FIMC_REG_CIOCTRL_RGB16FMT_MASK (3 << 16)
#define FIMC_REG_CIOCTRL_RGB565 (0 << 16)
#define FIMC_REG_CIOCTRL_ARGB1555 (1 << 16)
#define FIMC_REG_CIOCTRL_ARGB4444 (2 << 16)
#define FIMC_REG_CIOCTRL_ORDER2P_SHIFT 24
#define FIMC_REG_CIOCTRL_ORDER2P_MASK (3 << 24)
#define FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB (0 << 24)
/* Pre-scaler control 1 */
#define FIMC_REG_CISCPRERATIO 0x50
#define FIMC_REG_CISCPREDST 0x54
/* Main scaler control */
#define FIMC_REG_CISCCTRL 0x58
#define FIMC_REG_CISCCTRL_SCALERBYPASS BIT(31)
#define FIMC_REG_CISCCTRL_SCALEUP_H BIT(30)
#define FIMC_REG_CISCCTRL_SCALEUP_V BIT(29)
#define FIMC_REG_CISCCTRL_CSCR2Y_WIDE BIT(28)
#define FIMC_REG_CISCCTRL_CSCY2R_WIDE BIT(27)
#define FIMC_REG_CISCCTRL_LCDPATHEN_FIFO BIT(26)
#define FIMC_REG_CISCCTRL_INTERLACE BIT(25)
#define FIMC_REG_CISCCTRL_SCALERSTART BIT(15)
#define FIMC_REG_CISCCTRL_INRGB_FMT_RGB565 (0 << 13)
#define FIMC_REG_CISCCTRL_INRGB_FMT_RGB666 (1 << 13)
#define FIMC_REG_CISCCTRL_INRGB_FMT_RGB888 (2 << 13)
#define FIMC_REG_CISCCTRL_INRGB_FMT_MASK (3 << 13)
#define FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB565 (0 << 11)
#define FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB666 (1 << 11)
#define FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB888 (2 << 11)
#define FIMC_REG_CISCCTRL_OUTRGB_FMT_MASK (3 << 11)
#define FIMC_REG_CISCCTRL_RGB_EXT BIT(10)
#define FIMC_REG_CISCCTRL_ONE2ONE BIT(9)
#define FIMC_REG_CISCCTRL_MHRATIO(x) ((x) << 16)
#define FIMC_REG_CISCCTRL_MVRATIO(x) ((x) << 0)
#define FIMC_REG_CISCCTRL_MHRATIO_MASK (0x1ff << 16)
#define FIMC_REG_CISCCTRL_MVRATIO_MASK (0x1ff << 0)
#define FIMC_REG_CISCCTRL_MHRATIO_EXT(x) (((x) >> 6) << 16)
#define FIMC_REG_CISCCTRL_MVRATIO_EXT(x) (((x) >> 6) << 0)
/* Target area */
#define FIMC_REG_CITAREA 0x5c
#define FIMC_REG_CITAREA_MASK 0x0fffffff
/* General status */
#define FIMC_REG_CISTATUS 0x64
#define FIMC_REG_CISTATUS_OVFIY BIT(31)
#define FIMC_REG_CISTATUS_OVFICB BIT(30)
#define FIMC_REG_CISTATUS_OVFICR BIT(29)
#define FIMC_REG_CISTATUS_VSYNC BIT(28)
#define FIMC_REG_CISTATUS_FRAMECNT_MASK (3 << 26)
#define FIMC_REG_CISTATUS_FRAMECNT_SHIFT 26
#define FIMC_REG_CISTATUS_WINOFF_EN BIT(25)
#define FIMC_REG_CISTATUS_IMGCPT_EN BIT(22)
#define FIMC_REG_CISTATUS_IMGCPT_SCEN BIT(21)
#define FIMC_REG_CISTATUS_VSYNC_A BIT(20)
#define FIMC_REG_CISTATUS_VSYNC_B BIT(19)
#define FIMC_REG_CISTATUS_OVRLB BIT(18)
#define FIMC_REG_CISTATUS_FRAME_END BIT(17)
#define FIMC_REG_CISTATUS_LASTCAPT_END BIT(16)
#define FIMC_REG_CISTATUS_VVALID_A BIT(15)
#define FIMC_REG_CISTATUS_VVALID_B BIT(14)
/* Indexes to the last and the currently processed buffer. */
#define FIMC_REG_CISTATUS2 0x68
/* Image capture control */
#define FIMC_REG_CIIMGCPT 0xc0
#define FIMC_REG_CIIMGCPT_IMGCPTEN BIT(31)
#define FIMC_REG_CIIMGCPT_IMGCPTEN_SC BIT(30)
#define FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE BIT(25)
#define FIMC_REG_CIIMGCPT_CPT_FRMOD_CNT BIT(18)
/* Frame capture sequence */
#define FIMC_REG_CICPTSEQ 0xc4
/* Image effect */
#define FIMC_REG_CIIMGEFF 0xd0
#define FIMC_REG_CIIMGEFF_IE_ENABLE BIT(30)
#define FIMC_REG_CIIMGEFF_IE_SC_BEFORE (0 << 29)
#define FIMC_REG_CIIMGEFF_IE_SC_AFTER (1 << 29)
#define FIMC_REG_CIIMGEFF_FIN_BYPASS (0 << 26)
#define FIMC_REG_CIIMGEFF_FIN_ARBITRARY (1 << 26)
#define FIMC_REG_CIIMGEFF_FIN_NEGATIVE (2 << 26)
#define FIMC_REG_CIIMGEFF_FIN_ARTFREEZE (3 << 26)
#define FIMC_REG_CIIMGEFF_FIN_EMBOSSING (4 << 26)
#define FIMC_REG_CIIMGEFF_FIN_SILHOUETTE (5 << 26)
#define FIMC_REG_CIIMGEFF_FIN_MASK (7 << 26)
#define FIMC_REG_CIIMGEFF_PAT_CBCR_MASK ((0xff << 13) | 0xff)
/* Input DMA Y/Cb/Cr plane start address 0/1 */
#define FIMC_REG_CIIYSA(n) (0xd4 + (n) * 0x70)
#define FIMC_REG_CIICBSA(n) (0xd8 + (n) * 0x70)
#define FIMC_REG_CIICRSA(n) (0xdc + (n) * 0x70)
/* Real input DMA image size */
#define FIMC_REG_CIREAL_ISIZE 0xf8
#define FIMC_REG_CIREAL_ISIZE_AUTOLOAD_EN BIT(31)
#define FIMC_REG_CIREAL_ISIZE_ADDR_CH_DIS BIT(30)
/* Input DMA control */
#define FIMC_REG_MSCTRL 0xfc
#define FIMC_REG_MSCTRL_IN_BURST_COUNT_MASK (0xf << 24)
#define FIMC_REG_MSCTRL_2P_IN_ORDER_MASK (3 << 16)
#define FIMC_REG_MSCTRL_2P_IN_ORDER_SHIFT 16
#define FIMC_REG_MSCTRL_C_INT_IN_3PLANE (0 << 15)
#define FIMC_REG_MSCTRL_C_INT_IN_2PLANE (1 << 15)
#define FIMC_REG_MSCTRL_C_INT_IN_MASK (1 << 15)
#define FIMC_REG_MSCTRL_FLIP_SHIFT 13
#define FIMC_REG_MSCTRL_FLIP_MASK (3 << 13)
#define FIMC_REG_MSCTRL_FLIP_NORMAL (0 << 13)
#define FIMC_REG_MSCTRL_FLIP_X_MIRROR (1 << 13)
#define FIMC_REG_MSCTRL_FLIP_Y_MIRROR (2 << 13)
#define FIMC_REG_MSCTRL_FLIP_180 (3 << 13)
#define FIMC_REG_MSCTRL_FIFO_CTRL_FULL BIT(12)
#define FIMC_REG_MSCTRL_ORDER422_SHIFT 4
#define FIMC_REG_MSCTRL_ORDER422_CRYCBY (0 << 4)
#define FIMC_REG_MSCTRL_ORDER422_YCRYCB (1 << 4)
#define FIMC_REG_MSCTRL_ORDER422_CBYCRY (2 << 4)
#define FIMC_REG_MSCTRL_ORDER422_YCBYCR (3 << 4)
#define FIMC_REG_MSCTRL_ORDER422_MASK (3 << 4)
#define FIMC_REG_MSCTRL_INPUT_EXTCAM (0 << 3)
#define FIMC_REG_MSCTRL_INPUT_MEMORY BIT(3)
#define FIMC_REG_MSCTRL_INPUT_MASK BIT(3)
#define FIMC_REG_MSCTRL_INFORMAT_YCBCR420 (0 << 1)
#define FIMC_REG_MSCTRL_INFORMAT_YCBCR422 (1 << 1)
#define FIMC_REG_MSCTRL_INFORMAT_YCBCR422_1P (2 << 1)
#define FIMC_REG_MSCTRL_INFORMAT_RGB (3 << 1)
#define FIMC_REG_MSCTRL_INFORMAT_MASK (3 << 1)
#define FIMC_REG_MSCTRL_ENVID BIT(0)
#define FIMC_REG_MSCTRL_IN_BURST_COUNT(x) ((x) << 24)
/* Output DMA Y/Cb/Cr offset */
#define FIMC_REG_CIOYOFF 0x168
#define FIMC_REG_CIOCBOFF 0x16c
#define FIMC_REG_CIOCROFF 0x170
/* Input DMA Y/Cb/Cr offset */
#define FIMC_REG_CIIYOFF 0x174
#define FIMC_REG_CIICBOFF 0x178
#define FIMC_REG_CIICROFF 0x17c
/* Input DMA original image size */
#define FIMC_REG_ORGISIZE 0x180
/* Output DMA original image size */
#define FIMC_REG_ORGOSIZE 0x184
/* Real output DMA image size (extension register) */
#define FIMC_REG_CIEXTEN 0x188
#define FIMC_REG_CIEXTEN_MHRATIO_EXT(x) (((x) & 0x3f) << 10)
#define FIMC_REG_CIEXTEN_MVRATIO_EXT(x) ((x) & 0x3f)
#define FIMC_REG_CIEXTEN_MHRATIO_EXT_MASK (0x3f << 10)
#define FIMC_REG_CIEXTEN_MVRATIO_EXT_MASK 0x3f
#define FIMC_REG_CIDMAPARAM 0x18c
#define FIMC_REG_CIDMAPARAM_R_LINEAR (0 << 29)
#define FIMC_REG_CIDMAPARAM_R_64X32 (3 << 29)
#define FIMC_REG_CIDMAPARAM_W_LINEAR (0 << 13)
#define FIMC_REG_CIDMAPARAM_W_64X32 (3 << 13)
#define FIMC_REG_CIDMAPARAM_TILE_MASK ((3 << 29) | (3 << 13))
/* MIPI CSI image format */
#define FIMC_REG_CSIIMGFMT 0x194
#define FIMC_REG_CSIIMGFMT_YCBCR422_8BIT 0x1e
#define FIMC_REG_CSIIMGFMT_RAW8 0x2a
#define FIMC_REG_CSIIMGFMT_RAW10 0x2b
#define FIMC_REG_CSIIMGFMT_RAW12 0x2c
/* User defined formats. x = 0...16. */
#define FIMC_REG_CSIIMGFMT_USER(x) (0x30 + x - 1)
/* Output frame buffer sequence mask */
#define FIMC_REG_CIFCNTSEQ 0x1fc
/* SYSREG ISP Writeback register address offsets */
#define SYSREG_ISPBLK 0x020c
#define SYSREG_ISPBLK_FIFORST_CAM_BLK BIT(7)
#define SYSREG_CAMBLK 0x0218
#define SYSREG_CAMBLK_FIFORST_ISP BIT(15)
#define SYSREG_CAMBLK_ISPWB_FULL_EN (7 << 20)
/*
* Function declarations
*/
void fimc_hw_reset(struct fimc_dev *fimc);
void fimc_hw_set_rotation(struct fimc_ctx *ctx);
void fimc_hw_set_target_format(struct fimc_ctx *ctx);
void fimc_hw_set_out_dma(struct fimc_ctx *ctx);
void fimc_hw_en_lastirq(struct fimc_dev *fimc, int enable);
void fimc_hw_en_irq(struct fimc_dev *fimc, int enable);
void fimc_hw_set_prescaler(struct fimc_ctx *ctx);
void fimc_hw_set_mainscaler(struct fimc_ctx *ctx);
void fimc_hw_enable_capture(struct fimc_ctx *ctx);
void fimc_hw_set_effect(struct fimc_ctx *ctx);
void fimc_hw_set_rgb_alpha(struct fimc_ctx *ctx);
void fimc_hw_set_in_dma(struct fimc_ctx *ctx);
void fimc_hw_set_input_path(struct fimc_ctx *ctx);
void fimc_hw_set_output_path(struct fimc_ctx *ctx);
void fimc_hw_set_input_addr(struct fimc_dev *fimc, struct fimc_addr *addr);
void fimc_hw_set_output_addr(struct fimc_dev *fimc, struct fimc_addr *addr,
int index);
int fimc_hw_set_camera_source(struct fimc_dev *fimc,
struct fimc_source_info *cam);
void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f);
int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
struct fimc_source_info *cam);
int fimc_hw_set_camera_type(struct fimc_dev *fimc,
struct fimc_source_info *cam);
void fimc_hw_clear_irq(struct fimc_dev *dev);
void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on);
void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on);
void fimc_hw_disable_capture(struct fimc_dev *dev);
s32 fimc_hw_get_frame_index(struct fimc_dev *dev);
s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev);
int fimc_hw_camblk_cfg_writeback(struct fimc_dev *fimc);
void fimc_activate_capture(struct fimc_ctx *ctx);
void fimc_deactivate_capture(struct fimc_dev *fimc);
/**
* fimc_hw_set_dma_seq - configure output DMA buffer sequence
* @dev: fimc device
* @mask: bitmask for the DMA output buffer registers, set to 0 to skip buffer
* This function masks output DMA ring buffers, it allows to select which of
* the 32 available output buffer address registers will be used by the DMA
* engine.
*/
static inline void fimc_hw_set_dma_seq(struct fimc_dev *dev, u32 mask)
{
writel(mask, dev->regs + FIMC_REG_CIFCNTSEQ);
}
#endif /* FIMC_REG_H_ */
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