1020 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1020 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
 | |
| /*
 | |
|  * camss-vfe-4-1.c
 | |
|  *
 | |
|  * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module v4.1
 | |
|  *
 | |
|  * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
 | |
|  * Copyright (C) 2015-2018 Linaro Ltd.
 | |
|  */
 | |
| 
 | |
| #include <linux/interrupt.h>
 | |
| #include <linux/io.h>
 | |
| #include <linux/iopoll.h>
 | |
| 
 | |
| #include "camss-vfe.h"
 | |
| 
 | |
| #define VFE_0_HW_VERSION		0x000
 | |
| 
 | |
| #define VFE_0_GLOBAL_RESET_CMD		0x00c
 | |
| #define VFE_0_GLOBAL_RESET_CMD_CORE	BIT(0)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_CAMIF	BIT(1)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_BUS	BIT(2)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_BUS_BDG	BIT(3)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_REGISTER	BIT(4)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_TIMER	BIT(5)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_PM	BIT(6)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_BUS_MISR	BIT(7)
 | |
| #define VFE_0_GLOBAL_RESET_CMD_TESTGEN	BIT(8)
 | |
| 
 | |
| #define VFE_0_MODULE_CFG		0x018
 | |
| #define VFE_0_MODULE_CFG_DEMUX			BIT(2)
 | |
| #define VFE_0_MODULE_CFG_CHROMA_UPSAMPLE	BIT(3)
 | |
| #define VFE_0_MODULE_CFG_SCALE_ENC		BIT(23)
 | |
| #define VFE_0_MODULE_CFG_CROP_ENC		BIT(27)
 | |
| 
 | |
| #define VFE_0_CORE_CFG			0x01c
 | |
| #define VFE_0_CORE_CFG_PIXEL_PATTERN_YCBYCR	0x4
 | |
| #define VFE_0_CORE_CFG_PIXEL_PATTERN_YCRYCB	0x5
 | |
| #define VFE_0_CORE_CFG_PIXEL_PATTERN_CBYCRY	0x6
 | |
| #define VFE_0_CORE_CFG_PIXEL_PATTERN_CRYCBY	0x7
 | |
| 
 | |
| #define VFE_0_IRQ_CMD			0x024
 | |
| #define VFE_0_IRQ_CMD_GLOBAL_CLEAR	BIT(0)
 | |
| 
 | |
| #define VFE_0_IRQ_MASK_0		0x028
 | |
| #define VFE_0_IRQ_MASK_0_CAMIF_SOF			BIT(0)
 | |
| #define VFE_0_IRQ_MASK_0_CAMIF_EOF			BIT(1)
 | |
| #define VFE_0_IRQ_MASK_0_RDIn_REG_UPDATE(n)		BIT((n) + 5)
 | |
| #define VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(n)		\
 | |
| 	((n) == VFE_LINE_PIX ? BIT(4) : VFE_0_IRQ_MASK_0_RDIn_REG_UPDATE(n))
 | |
| #define VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(n)	BIT((n) + 8)
 | |
| #define VFE_0_IRQ_MASK_0_IMAGE_COMPOSITE_DONE_n(n)	BIT((n) + 25)
 | |
| #define VFE_0_IRQ_MASK_0_RESET_ACK			BIT(31)
 | |
| #define VFE_0_IRQ_MASK_1		0x02c
 | |
| #define VFE_0_IRQ_MASK_1_CAMIF_ERROR			BIT(0)
 | |
| #define VFE_0_IRQ_MASK_1_VIOLATION			BIT(7)
 | |
| #define VFE_0_IRQ_MASK_1_BUS_BDG_HALT_ACK		BIT(8)
 | |
| #define VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(n)	BIT((n) + 9)
 | |
| #define VFE_0_IRQ_MASK_1_RDIn_SOF(n)			BIT((n) + 29)
 | |
| 
 | |
| #define VFE_0_IRQ_CLEAR_0		0x030
 | |
| #define VFE_0_IRQ_CLEAR_1		0x034
 | |
| 
 | |
| #define VFE_0_IRQ_STATUS_0		0x038
 | |
| #define VFE_0_IRQ_STATUS_0_CAMIF_SOF			BIT(0)
 | |
| #define VFE_0_IRQ_STATUS_0_RDIn_REG_UPDATE(n)		BIT((n) + 5)
 | |
| #define VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(n)		\
 | |
| 	((n) == VFE_LINE_PIX ? BIT(4) : VFE_0_IRQ_STATUS_0_RDIn_REG_UPDATE(n))
 | |
| #define VFE_0_IRQ_STATUS_0_IMAGE_MASTER_n_PING_PONG(n)	BIT((n) + 8)
 | |
| #define VFE_0_IRQ_STATUS_0_IMAGE_COMPOSITE_DONE_n(n)	BIT((n) + 25)
 | |
| #define VFE_0_IRQ_STATUS_0_RESET_ACK			BIT(31)
 | |
| #define VFE_0_IRQ_STATUS_1		0x03c
 | |
| #define VFE_0_IRQ_STATUS_1_VIOLATION			BIT(7)
 | |
| #define VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK		BIT(8)
 | |
| #define VFE_0_IRQ_STATUS_1_RDIn_SOF(n)			BIT((n) + 29)
 | |
| 
 | |
| #define VFE_0_IRQ_COMPOSITE_MASK_0	0x40
 | |
| #define VFE_0_VIOLATION_STATUS		0x48
 | |
| 
 | |
| #define VFE_0_BUS_CMD			0x4c
 | |
| #define VFE_0_BUS_CMD_Mx_RLD_CMD(x)	BIT(x)
 | |
| 
 | |
| #define VFE_0_BUS_CFG			0x050
 | |
| 
 | |
| #define VFE_0_BUS_XBAR_CFG_x(x)		(0x58 + 0x4 * ((x) / 2))
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN			BIT(1)
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA	(0x3 << 4)
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT		8
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA		0
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0	5
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1	6
 | |
| #define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2	7
 | |
| 
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(n)		(0x06c + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT	0
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_FRM_BASED_SHIFT	1
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(n)	(0x070 + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(n)	(0x074 + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(n)		(0x078 + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_SHIFT	2
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK	(0x1f << 2)
 | |
| 
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG(n)		(0x07c + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG_OFFSET_SHIFT	16
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(n)	(0x080 + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(n)	(0x084 + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(n)	\
 | |
| 							(0x088 + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(n)	\
 | |
| 							(0x08c + 0x24 * (n))
 | |
| #define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF	0xffffffff
 | |
| 
 | |
| #define VFE_0_BUS_PING_PONG_STATUS	0x268
 | |
| 
 | |
| #define VFE_0_BUS_BDG_CMD		0x2c0
 | |
| #define VFE_0_BUS_BDG_CMD_HALT_REQ	1
 | |
| 
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_0		0x2c4
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_0_CFG	0xaaa5aaa5
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_1		0x2c8
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_2		0x2cc
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_3		0x2d0
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_4		0x2d4
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_5		0x2d8
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_6		0x2dc
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_7		0x2e0
 | |
| #define VFE_0_BUS_BDG_QOS_CFG_7_CFG	0x0001aaa5
 | |
| 
 | |
| #define VFE_0_RDI_CFG_x(x)		(0x2e8 + (0x4 * (x)))
 | |
| #define VFE_0_RDI_CFG_x_RDI_STREAM_SEL_SHIFT	28
 | |
| #define VFE_0_RDI_CFG_x_RDI_STREAM_SEL_MASK	(0xf << 28)
 | |
| #define VFE_0_RDI_CFG_x_RDI_M0_SEL_SHIFT	4
 | |
| #define VFE_0_RDI_CFG_x_RDI_M0_SEL_MASK		(0xf << 4)
 | |
| #define VFE_0_RDI_CFG_x_RDI_EN_BIT		BIT(2)
 | |
| #define VFE_0_RDI_CFG_x_MIPI_EN_BITS		0x3
 | |
| #define VFE_0_RDI_CFG_x_RDI_Mr_FRAME_BASED_EN(r)	BIT(16 + (r))
 | |
| 
 | |
| #define VFE_0_CAMIF_CMD				0x2f4
 | |
| #define VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY	0
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| #define VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY	1
 | |
| #define VFE_0_CAMIF_CMD_NO_CHANGE		3
 | |
| #define VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS	BIT(2)
 | |
| #define VFE_0_CAMIF_CFG				0x2f8
 | |
| #define VFE_0_CAMIF_CFG_VFE_OUTPUT_EN		BIT(6)
 | |
| #define VFE_0_CAMIF_FRAME_CFG			0x300
 | |
| #define VFE_0_CAMIF_WINDOW_WIDTH_CFG		0x304
 | |
| #define VFE_0_CAMIF_WINDOW_HEIGHT_CFG		0x308
 | |
| #define VFE_0_CAMIF_SUBSAMPLE_CFG_0		0x30c
 | |
| #define VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN	0x314
 | |
| #define VFE_0_CAMIF_STATUS			0x31c
 | |
| #define VFE_0_CAMIF_STATUS_HALT			BIT(31)
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| 
 | |
| #define VFE_0_REG_UPDATE			0x378
 | |
| #define VFE_0_REG_UPDATE_RDIn(n)		BIT(1 + (n))
 | |
| #define VFE_0_REG_UPDATE_line_n(n)		\
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| 			((n) == VFE_LINE_PIX ? 1 : VFE_0_REG_UPDATE_RDIn(n))
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| 
 | |
| #define VFE_0_DEMUX_CFG				0x424
 | |
| #define VFE_0_DEMUX_CFG_PERIOD			0x3
 | |
| #define VFE_0_DEMUX_GAIN_0			0x428
 | |
| #define VFE_0_DEMUX_GAIN_0_CH0_EVEN		(0x80 << 0)
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| #define VFE_0_DEMUX_GAIN_0_CH0_ODD		(0x80 << 16)
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| #define VFE_0_DEMUX_GAIN_1			0x42c
 | |
| #define VFE_0_DEMUX_GAIN_1_CH1			(0x80 << 0)
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| #define VFE_0_DEMUX_GAIN_1_CH2			(0x80 << 16)
 | |
| #define VFE_0_DEMUX_EVEN_CFG			0x438
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| #define VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV	0x9cac
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| #define VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU	0xac9c
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| #define VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY	0xc9ca
 | |
| #define VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY	0xcac9
 | |
| #define VFE_0_DEMUX_ODD_CFG			0x43c
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| #define VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV	0x9cac
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| #define VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU	0xac9c
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| #define VFE_0_DEMUX_ODD_CFG_PATTERN_UYVY	0xc9ca
 | |
| #define VFE_0_DEMUX_ODD_CFG_PATTERN_VYUY	0xcac9
 | |
| 
 | |
| #define VFE_0_SCALE_ENC_Y_CFG			0x75c
 | |
| #define VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE		0x760
 | |
| #define VFE_0_SCALE_ENC_Y_H_PHASE		0x764
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| #define VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE		0x76c
 | |
| #define VFE_0_SCALE_ENC_Y_V_PHASE		0x770
 | |
| #define VFE_0_SCALE_ENC_CBCR_CFG		0x778
 | |
| #define VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE	0x77c
 | |
| #define VFE_0_SCALE_ENC_CBCR_H_PHASE		0x780
 | |
| #define VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE	0x790
 | |
| #define VFE_0_SCALE_ENC_CBCR_V_PHASE		0x794
 | |
| 
 | |
| #define VFE_0_CROP_ENC_Y_WIDTH			0x854
 | |
| #define VFE_0_CROP_ENC_Y_HEIGHT			0x858
 | |
| #define VFE_0_CROP_ENC_CBCR_WIDTH		0x85c
 | |
| #define VFE_0_CROP_ENC_CBCR_HEIGHT		0x860
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| 
 | |
| #define VFE_0_CLAMP_ENC_MAX_CFG			0x874
 | |
| #define VFE_0_CLAMP_ENC_MAX_CFG_CH0		(0xff << 0)
 | |
| #define VFE_0_CLAMP_ENC_MAX_CFG_CH1		(0xff << 8)
 | |
| #define VFE_0_CLAMP_ENC_MAX_CFG_CH2		(0xff << 16)
 | |
| #define VFE_0_CLAMP_ENC_MIN_CFG			0x878
 | |
| #define VFE_0_CLAMP_ENC_MIN_CFG_CH0		(0x0 << 0)
 | |
| #define VFE_0_CLAMP_ENC_MIN_CFG_CH1		(0x0 << 8)
 | |
| #define VFE_0_CLAMP_ENC_MIN_CFG_CH2		(0x0 << 16)
 | |
| 
 | |
| #define VFE_0_CGC_OVERRIDE_1			0x974
 | |
| #define VFE_0_CGC_OVERRIDE_1_IMAGE_Mx_CGC_OVERRIDE(x)	BIT(x)
 | |
| 
 | |
| #define CAMIF_TIMEOUT_SLEEP_US 1000
 | |
| #define CAMIF_TIMEOUT_ALL_US 1000000
 | |
| 
 | |
| #define MSM_VFE_VFE0_UB_SIZE 1023
 | |
| #define MSM_VFE_VFE0_UB_SIZE_RDI (MSM_VFE_VFE0_UB_SIZE / 3)
 | |
| 
 | |
| static void vfe_hw_version_read(struct vfe_device *vfe, struct device *dev)
 | |
| {
 | |
| 	u32 hw_version = readl_relaxed(vfe->base + VFE_0_HW_VERSION);
 | |
| 
 | |
| 	dev_dbg(dev, "VFE HW Version = 0x%08x\n", hw_version);
 | |
| }
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| 
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| static u16 vfe_get_ub_size(u8 vfe_id)
 | |
| {
 | |
| 	if (vfe_id == 0)
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| 		return MSM_VFE_VFE0_UB_SIZE_RDI;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static inline void vfe_reg_clr(struct vfe_device *vfe, u32 reg, u32 clr_bits)
 | |
| {
 | |
| 	u32 bits = readl_relaxed(vfe->base + reg);
 | |
| 
 | |
| 	writel_relaxed(bits & ~clr_bits, vfe->base + reg);
 | |
| }
 | |
| 
 | |
| static inline void vfe_reg_set(struct vfe_device *vfe, u32 reg, u32 set_bits)
 | |
| {
 | |
| 	u32 bits = readl_relaxed(vfe->base + reg);
 | |
| 
 | |
| 	writel_relaxed(bits | set_bits, vfe->base + reg);
 | |
| }
 | |
| 
 | |
| static void vfe_global_reset(struct vfe_device *vfe)
 | |
| {
 | |
| 	u32 reset_bits = VFE_0_GLOBAL_RESET_CMD_TESTGEN		|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_BUS_MISR	|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_PM		|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_TIMER		|
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| 			 VFE_0_GLOBAL_RESET_CMD_REGISTER	|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_BUS_BDG		|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_BUS		|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_CAMIF		|
 | |
| 			 VFE_0_GLOBAL_RESET_CMD_CORE;
 | |
| 
 | |
| 	writel_relaxed(reset_bits, vfe->base + VFE_0_GLOBAL_RESET_CMD);
 | |
| }
 | |
| 
 | |
| static void vfe_halt_request(struct vfe_device *vfe)
 | |
| {
 | |
| 	writel_relaxed(VFE_0_BUS_BDG_CMD_HALT_REQ,
 | |
| 		       vfe->base + VFE_0_BUS_BDG_CMD);
 | |
| }
 | |
| 
 | |
| static void vfe_halt_clear(struct vfe_device *vfe)
 | |
| {
 | |
| 	writel_relaxed(0x0, vfe->base + VFE_0_BUS_BDG_CMD);
 | |
| }
 | |
| 
 | |
| static void vfe_wm_enable(struct vfe_device *vfe, u8 wm, u8 enable)
 | |
| {
 | |
| 	if (enable)
 | |
| 		vfe_reg_set(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm),
 | |
| 			    1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT);
 | |
| 	else
 | |
| 		vfe_reg_clr(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm),
 | |
| 			    1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT);
 | |
| }
 | |
| 
 | |
| static void vfe_wm_frame_based(struct vfe_device *vfe, u8 wm, u8 enable)
 | |
| {
 | |
| 	if (enable)
 | |
| 		vfe_reg_set(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm),
 | |
| 			1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_FRM_BASED_SHIFT);
 | |
| 	else
 | |
| 		vfe_reg_clr(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm),
 | |
| 			1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_FRM_BASED_SHIFT);
 | |
| }
 | |
| 
 | |
| #define CALC_WORD(width, M, N) (((width) * (M) + (N) - 1) / (N))
 | |
| 
 | |
| static int vfe_word_per_line(u32 format, u32 pixel_per_line)
 | |
| {
 | |
| 	int val = 0;
 | |
| 
 | |
| 	switch (format) {
 | |
| 	case V4L2_PIX_FMT_NV12:
 | |
| 	case V4L2_PIX_FMT_NV21:
 | |
| 	case V4L2_PIX_FMT_NV16:
 | |
| 	case V4L2_PIX_FMT_NV61:
 | |
| 		val = CALC_WORD(pixel_per_line, 1, 8);
 | |
| 		break;
 | |
| 	case V4L2_PIX_FMT_YUYV:
 | |
| 	case V4L2_PIX_FMT_YVYU:
 | |
| 	case V4L2_PIX_FMT_UYVY:
 | |
| 	case V4L2_PIX_FMT_VYUY:
 | |
| 		val = CALC_WORD(pixel_per_line, 2, 8);
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	return val;
 | |
| }
 | |
| 
 | |
| static void vfe_get_wm_sizes(struct v4l2_pix_format_mplane *pix, u8 plane,
 | |
| 			     u16 *width, u16 *height, u16 *bytesperline)
 | |
| {
 | |
| 	switch (pix->pixelformat) {
 | |
| 	case V4L2_PIX_FMT_NV12:
 | |
| 	case V4L2_PIX_FMT_NV21:
 | |
| 		*width = pix->width;
 | |
| 		*height = pix->height;
 | |
| 		*bytesperline = pix->plane_fmt[0].bytesperline;
 | |
| 		if (plane == 1)
 | |
| 			*height /= 2;
 | |
| 		break;
 | |
| 	case V4L2_PIX_FMT_NV16:
 | |
| 	case V4L2_PIX_FMT_NV61:
 | |
| 		*width = pix->width;
 | |
| 		*height = pix->height;
 | |
| 		*bytesperline = pix->plane_fmt[0].bytesperline;
 | |
| 		break;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void vfe_wm_line_based(struct vfe_device *vfe, u32 wm,
 | |
| 			      struct v4l2_pix_format_mplane *pix,
 | |
| 			      u8 plane, u32 enable)
 | |
| {
 | |
| 	u32 reg;
 | |
| 
 | |
| 	if (enable) {
 | |
| 		u16 width = 0, height = 0, bytesperline = 0, wpl;
 | |
| 
 | |
| 		vfe_get_wm_sizes(pix, plane, &width, &height, &bytesperline);
 | |
| 
 | |
| 		wpl = vfe_word_per_line(pix->pixelformat, width);
 | |
| 
 | |
| 		reg = height - 1;
 | |
| 		reg |= ((wpl + 1) / 2 - 1) << 16;
 | |
| 
 | |
| 		writel_relaxed(reg, vfe->base +
 | |
| 			       VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm));
 | |
| 
 | |
| 		wpl = vfe_word_per_line(pix->pixelformat, bytesperline);
 | |
| 
 | |
| 		reg = 0x3;
 | |
| 		reg |= (height - 1) << 4;
 | |
| 		reg |= wpl << 16;
 | |
| 
 | |
| 		writel_relaxed(reg, vfe->base +
 | |
| 			       VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(wm));
 | |
| 	} else {
 | |
| 		writel_relaxed(0, vfe->base +
 | |
| 			       VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm));
 | |
| 		writel_relaxed(0, vfe->base +
 | |
| 			       VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(wm));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void vfe_wm_set_framedrop_period(struct vfe_device *vfe, u8 wm, u8 per)
 | |
| {
 | |
| 	u32 reg;
 | |
| 
 | |
| 	reg = readl_relaxed(vfe->base +
 | |
| 			    VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm));
 | |
| 
 | |
| 	reg &= ~(VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK);
 | |
| 
 | |
| 	reg |= (per << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_SHIFT)
 | |
| 		& VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK;
 | |
| 
 | |
| 	writel_relaxed(reg,
 | |
| 		       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm));
 | |
| }
 | |
| 
 | |
| static void vfe_wm_set_framedrop_pattern(struct vfe_device *vfe, u8 wm,
 | |
| 					 u32 pattern)
 | |
| {
 | |
| 	writel_relaxed(pattern,
 | |
| 	       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(wm));
 | |
| }
 | |
| 
 | |
| static void vfe_wm_set_ub_cfg(struct vfe_device *vfe, u8 wm,
 | |
| 			      u16 offset, u16 depth)
 | |
| {
 | |
| 	u32 reg;
 | |
| 
 | |
| 	reg = (offset << VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG_OFFSET_SHIFT) |
 | |
| 		depth;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG(wm));
 | |
| }
 | |
| 
 | |
| static void vfe_bus_reload_wm(struct vfe_device *vfe, u8 wm)
 | |
| {
 | |
| 	wmb();
 | |
| 	writel_relaxed(VFE_0_BUS_CMD_Mx_RLD_CMD(wm), vfe->base + VFE_0_BUS_CMD);
 | |
| 	wmb();
 | |
| }
 | |
| 
 | |
| static void vfe_wm_set_ping_addr(struct vfe_device *vfe, u8 wm, u32 addr)
 | |
| {
 | |
| 	writel_relaxed(addr,
 | |
| 		       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(wm));
 | |
| }
 | |
| 
 | |
| static void vfe_wm_set_pong_addr(struct vfe_device *vfe, u8 wm, u32 addr)
 | |
| {
 | |
| 	writel_relaxed(addr,
 | |
| 		       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(wm));
 | |
| }
 | |
| 
 | |
| static int vfe_wm_get_ping_pong_status(struct vfe_device *vfe, u8 wm)
 | |
| {
 | |
| 	u32 reg;
 | |
| 
 | |
| 	reg = readl_relaxed(vfe->base + VFE_0_BUS_PING_PONG_STATUS);
 | |
| 
 | |
| 	return (reg >> wm) & 0x1;
 | |
| }
 | |
| 
 | |
| static void vfe_bus_enable_wr_if(struct vfe_device *vfe, u8 enable)
 | |
| {
 | |
| 	if (enable)
 | |
| 		writel_relaxed(0x10000009, vfe->base + VFE_0_BUS_CFG);
 | |
| 	else
 | |
| 		writel_relaxed(0, vfe->base + VFE_0_BUS_CFG);
 | |
| }
 | |
| 
 | |
| static void vfe_bus_connect_wm_to_rdi(struct vfe_device *vfe, u8 wm,
 | |
| 				      enum vfe_line_id id)
 | |
| {
 | |
| 	u32 reg;
 | |
| 
 | |
| 	reg = VFE_0_RDI_CFG_x_MIPI_EN_BITS;
 | |
| 	reg |= VFE_0_RDI_CFG_x_RDI_Mr_FRAME_BASED_EN(id);
 | |
| 	vfe_reg_set(vfe, VFE_0_RDI_CFG_x(0), reg);
 | |
| 
 | |
| 	reg = VFE_0_RDI_CFG_x_RDI_EN_BIT;
 | |
| 	reg |= ((3 * id) << VFE_0_RDI_CFG_x_RDI_STREAM_SEL_SHIFT) &
 | |
| 		VFE_0_RDI_CFG_x_RDI_STREAM_SEL_MASK;
 | |
| 	vfe_reg_set(vfe, VFE_0_RDI_CFG_x(id), reg);
 | |
| 
 | |
| 	switch (id) {
 | |
| 	case VFE_LINE_RDI0:
 | |
| 	default:
 | |
| 		reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 <<
 | |
| 		      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		break;
 | |
| 	case VFE_LINE_RDI1:
 | |
| 		reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 <<
 | |
| 		      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		break;
 | |
| 	case VFE_LINE_RDI2:
 | |
| 		reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 <<
 | |
| 		      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	if (wm % 2 == 1)
 | |
| 		reg <<= 16;
 | |
| 
 | |
| 	vfe_reg_set(vfe, VFE_0_BUS_XBAR_CFG_x(wm), reg);
 | |
| }
 | |
| 
 | |
| static void vfe_wm_set_subsample(struct vfe_device *vfe, u8 wm)
 | |
| {
 | |
| 	writel_relaxed(VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF,
 | |
| 		       vfe->base +
 | |
| 		       VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(wm));
 | |
| }
 | |
| 
 | |
| static void vfe_bus_disconnect_wm_from_rdi(struct vfe_device *vfe, u8 wm,
 | |
| 					   enum vfe_line_id id)
 | |
| {
 | |
| 	u32 reg;
 | |
| 
 | |
| 	reg = VFE_0_RDI_CFG_x_RDI_Mr_FRAME_BASED_EN(id);
 | |
| 	vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(0), reg);
 | |
| 
 | |
| 	reg = VFE_0_RDI_CFG_x_RDI_EN_BIT;
 | |
| 	vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(id), reg);
 | |
| 
 | |
| 	switch (id) {
 | |
| 	case VFE_LINE_RDI0:
 | |
| 	default:
 | |
| 		reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 <<
 | |
| 		      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		break;
 | |
| 	case VFE_LINE_RDI1:
 | |
| 		reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 <<
 | |
| 		      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		break;
 | |
| 	case VFE_LINE_RDI2:
 | |
| 		reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 <<
 | |
| 		      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	if (wm % 2 == 1)
 | |
| 		reg <<= 16;
 | |
| 
 | |
| 	vfe_reg_clr(vfe, VFE_0_BUS_XBAR_CFG_x(wm), reg);
 | |
| }
 | |
| 
 | |
| static void vfe_set_xbar_cfg(struct vfe_device *vfe, struct vfe_output *output,
 | |
| 			     u8 enable)
 | |
| {
 | |
| 	struct vfe_line *line = container_of(output, struct vfe_line, output);
 | |
| 	u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 | |
| 	u32 reg;
 | |
| 	unsigned int i;
 | |
| 
 | |
| 	for (i = 0; i < output->wm_num; i++) {
 | |
| 		if (i == 0) {
 | |
| 			reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA <<
 | |
| 				VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 | |
| 		} else if (i == 1) {
 | |
| 			reg = VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN;
 | |
| 			if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV16)
 | |
| 				reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA;
 | |
| 		} else {
 | |
| 			/* On current devices output->wm_num is always <= 2 */
 | |
| 			break;
 | |
| 		}
 | |
| 
 | |
| 		if (output->wm_idx[i] % 2 == 1)
 | |
| 			reg <<= 16;
 | |
| 
 | |
| 		if (enable)
 | |
| 			vfe_reg_set(vfe,
 | |
| 				    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[i]),
 | |
| 				    reg);
 | |
| 		else
 | |
| 			vfe_reg_clr(vfe,
 | |
| 				    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[i]),
 | |
| 				    reg);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void vfe_set_realign_cfg(struct vfe_device *vfe, struct vfe_line *line,
 | |
| 				u8 enable)
 | |
| {
 | |
| 	/* empty */
 | |
| }
 | |
| static void vfe_set_rdi_cid(struct vfe_device *vfe, enum vfe_line_id id, u8 cid)
 | |
| {
 | |
| 	vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(id),
 | |
| 		    VFE_0_RDI_CFG_x_RDI_M0_SEL_MASK);
 | |
| 
 | |
| 	vfe_reg_set(vfe, VFE_0_RDI_CFG_x(id),
 | |
| 		    cid << VFE_0_RDI_CFG_x_RDI_M0_SEL_SHIFT);
 | |
| }
 | |
| 
 | |
| static void vfe_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id)
 | |
| {
 | |
| 	vfe->reg_update |= VFE_0_REG_UPDATE_line_n(line_id);
 | |
| 	wmb();
 | |
| 	writel_relaxed(vfe->reg_update, vfe->base + VFE_0_REG_UPDATE);
 | |
| 	wmb();
 | |
| }
 | |
| 
 | |
| static inline void vfe_reg_update_clear(struct vfe_device *vfe,
 | |
| 					enum vfe_line_id line_id)
 | |
| {
 | |
| 	vfe->reg_update &= ~VFE_0_REG_UPDATE_line_n(line_id);
 | |
| }
 | |
| 
 | |
| static void vfe_enable_irq_wm_line(struct vfe_device *vfe, u8 wm,
 | |
| 				   enum vfe_line_id line_id, u8 enable)
 | |
| {
 | |
| 	u32 irq_en0 = VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(wm) |
 | |
| 		      VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(line_id);
 | |
| 	u32 irq_en1 = VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(wm) |
 | |
| 		      VFE_0_IRQ_MASK_1_RDIn_SOF(line_id);
 | |
| 
 | |
| 	if (enable) {
 | |
| 		vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 | |
| 		vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 | |
| 	} else {
 | |
| 		vfe_reg_clr(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 | |
| 		vfe_reg_clr(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void vfe_enable_irq_pix_line(struct vfe_device *vfe, u8 comp,
 | |
| 				    enum vfe_line_id line_id, u8 enable)
 | |
| {
 | |
| 	struct vfe_output *output = &vfe->line[line_id].output;
 | |
| 	unsigned int i;
 | |
| 	u32 irq_en0;
 | |
| 	u32 irq_en1;
 | |
| 	u32 comp_mask = 0;
 | |
| 
 | |
| 	irq_en0 = VFE_0_IRQ_MASK_0_CAMIF_SOF;
 | |
| 	irq_en0 |= VFE_0_IRQ_MASK_0_CAMIF_EOF;
 | |
| 	irq_en0 |= VFE_0_IRQ_MASK_0_IMAGE_COMPOSITE_DONE_n(comp);
 | |
| 	irq_en0 |= VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(line_id);
 | |
| 	irq_en1 = VFE_0_IRQ_MASK_1_CAMIF_ERROR;
 | |
| 	for (i = 0; i < output->wm_num; i++) {
 | |
| 		irq_en1 |= VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(
 | |
| 							output->wm_idx[i]);
 | |
| 		comp_mask |= (1 << output->wm_idx[i]) << comp * 8;
 | |
| 	}
 | |
| 
 | |
| 	if (enable) {
 | |
| 		vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 | |
| 		vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 | |
| 		vfe_reg_set(vfe, VFE_0_IRQ_COMPOSITE_MASK_0, comp_mask);
 | |
| 	} else {
 | |
| 		vfe_reg_clr(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 | |
| 		vfe_reg_clr(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 | |
| 		vfe_reg_clr(vfe, VFE_0_IRQ_COMPOSITE_MASK_0, comp_mask);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void vfe_enable_irq_common(struct vfe_device *vfe)
 | |
| {
 | |
| 	u32 irq_en0 = VFE_0_IRQ_MASK_0_RESET_ACK;
 | |
| 	u32 irq_en1 = VFE_0_IRQ_MASK_1_VIOLATION |
 | |
| 		      VFE_0_IRQ_MASK_1_BUS_BDG_HALT_ACK;
 | |
| 
 | |
| 	vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 | |
| 	vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 | |
| }
 | |
| 
 | |
| static void vfe_set_demux_cfg(struct vfe_device *vfe, struct vfe_line *line)
 | |
| {
 | |
| 	u32 val, even_cfg, odd_cfg;
 | |
| 
 | |
| 	writel_relaxed(VFE_0_DEMUX_CFG_PERIOD, vfe->base + VFE_0_DEMUX_CFG);
 | |
| 
 | |
| 	val = VFE_0_DEMUX_GAIN_0_CH0_EVEN | VFE_0_DEMUX_GAIN_0_CH0_ODD;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_DEMUX_GAIN_0);
 | |
| 
 | |
| 	val = VFE_0_DEMUX_GAIN_1_CH1 | VFE_0_DEMUX_GAIN_1_CH2;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_DEMUX_GAIN_1);
 | |
| 
 | |
| 	switch (line->fmt[MSM_VFE_PAD_SINK].code) {
 | |
| 	case MEDIA_BUS_FMT_YUYV8_2X8:
 | |
| 		even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV;
 | |
| 		odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV;
 | |
| 		break;
 | |
| 	case MEDIA_BUS_FMT_YVYU8_2X8:
 | |
| 		even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU;
 | |
| 		odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU;
 | |
| 		break;
 | |
| 	case MEDIA_BUS_FMT_UYVY8_2X8:
 | |
| 	default:
 | |
| 		even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY;
 | |
| 		odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_UYVY;
 | |
| 		break;
 | |
| 	case MEDIA_BUS_FMT_VYUY8_2X8:
 | |
| 		even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY;
 | |
| 		odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_VYUY;
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	writel_relaxed(even_cfg, vfe->base + VFE_0_DEMUX_EVEN_CFG);
 | |
| 	writel_relaxed(odd_cfg, vfe->base + VFE_0_DEMUX_ODD_CFG);
 | |
| }
 | |
| 
 | |
| static inline u8 vfe_calc_interp_reso(u16 input, u16 output)
 | |
| {
 | |
| 	if (input / output >= 16)
 | |
| 		return 0;
 | |
| 
 | |
| 	if (input / output >= 8)
 | |
| 		return 1;
 | |
| 
 | |
| 	if (input / output >= 4)
 | |
| 		return 2;
 | |
| 
 | |
| 	return 3;
 | |
| }
 | |
| 
 | |
| static void vfe_set_scale_cfg(struct vfe_device *vfe, struct vfe_line *line)
 | |
| {
 | |
| 	u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 | |
| 	u32 reg;
 | |
| 	u16 input, output;
 | |
| 	u8 interp_reso;
 | |
| 	u32 phase_mult;
 | |
| 
 | |
| 	writel_relaxed(0x3, vfe->base + VFE_0_SCALE_ENC_Y_CFG);
 | |
| 
 | |
| 	input = line->fmt[MSM_VFE_PAD_SINK].width;
 | |
| 	output = line->compose.width;
 | |
| 	reg = (output << 16) | input;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE);
 | |
| 
 | |
| 	interp_reso = vfe_calc_interp_reso(input, output);
 | |
| 	phase_mult = input * (1 << (13 + interp_reso)) / output;
 | |
| 	reg = (interp_reso << 20) | phase_mult;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_PHASE);
 | |
| 
 | |
| 	input = line->fmt[MSM_VFE_PAD_SINK].height;
 | |
| 	output = line->compose.height;
 | |
| 	reg = (output << 16) | input;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE);
 | |
| 
 | |
| 	interp_reso = vfe_calc_interp_reso(input, output);
 | |
| 	phase_mult = input * (1 << (13 + interp_reso)) / output;
 | |
| 	reg = (interp_reso << 20) | phase_mult;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_V_PHASE);
 | |
| 
 | |
| 	writel_relaxed(0x3, vfe->base + VFE_0_SCALE_ENC_CBCR_CFG);
 | |
| 
 | |
| 	input = line->fmt[MSM_VFE_PAD_SINK].width;
 | |
| 	output = line->compose.width / 2;
 | |
| 	reg = (output << 16) | input;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE);
 | |
| 
 | |
| 	interp_reso = vfe_calc_interp_reso(input, output);
 | |
| 	phase_mult = input * (1 << (13 + interp_reso)) / output;
 | |
| 	reg = (interp_reso << 20) | phase_mult;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_PHASE);
 | |
| 
 | |
| 	input = line->fmt[MSM_VFE_PAD_SINK].height;
 | |
| 	output = line->compose.height;
 | |
| 	if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21)
 | |
| 		output = line->compose.height / 2;
 | |
| 	reg = (output << 16) | input;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE);
 | |
| 
 | |
| 	interp_reso = vfe_calc_interp_reso(input, output);
 | |
| 	phase_mult = input * (1 << (13 + interp_reso)) / output;
 | |
| 	reg = (interp_reso << 20) | phase_mult;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_V_PHASE);
 | |
| }
 | |
| 
 | |
| static void vfe_set_crop_cfg(struct vfe_device *vfe, struct vfe_line *line)
 | |
| {
 | |
| 	u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 | |
| 	u32 reg;
 | |
| 	u16 first, last;
 | |
| 
 | |
| 	first = line->crop.left;
 | |
| 	last = line->crop.left + line->crop.width - 1;
 | |
| 	reg = (first << 16) | last;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_Y_WIDTH);
 | |
| 
 | |
| 	first = line->crop.top;
 | |
| 	last = line->crop.top + line->crop.height - 1;
 | |
| 	reg = (first << 16) | last;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_Y_HEIGHT);
 | |
| 
 | |
| 	first = line->crop.left / 2;
 | |
| 	last = line->crop.left / 2 + line->crop.width / 2 - 1;
 | |
| 	reg = (first << 16) | last;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_CBCR_WIDTH);
 | |
| 
 | |
| 	first = line->crop.top;
 | |
| 	last = line->crop.top + line->crop.height - 1;
 | |
| 	if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21) {
 | |
| 		first = line->crop.top / 2;
 | |
| 		last = line->crop.top / 2 + line->crop.height / 2 - 1;
 | |
| 	}
 | |
| 	reg = (first << 16) | last;
 | |
| 	writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_CBCR_HEIGHT);
 | |
| }
 | |
| 
 | |
| static void vfe_set_clamp_cfg(struct vfe_device *vfe)
 | |
| {
 | |
| 	u32 val = VFE_0_CLAMP_ENC_MAX_CFG_CH0 |
 | |
| 		VFE_0_CLAMP_ENC_MAX_CFG_CH1 |
 | |
| 		VFE_0_CLAMP_ENC_MAX_CFG_CH2;
 | |
| 
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MAX_CFG);
 | |
| 
 | |
| 	val = VFE_0_CLAMP_ENC_MIN_CFG_CH0 |
 | |
| 		VFE_0_CLAMP_ENC_MIN_CFG_CH1 |
 | |
| 		VFE_0_CLAMP_ENC_MIN_CFG_CH2;
 | |
| 
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MIN_CFG);
 | |
| }
 | |
| 
 | |
| static void vfe_set_qos(struct vfe_device *vfe)
 | |
| {
 | |
| 	u32 val = VFE_0_BUS_BDG_QOS_CFG_0_CFG;
 | |
| 	u32 val7 = VFE_0_BUS_BDG_QOS_CFG_7_CFG;
 | |
| 
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_0);
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_1);
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_2);
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_3);
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_4);
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_5);
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_6);
 | |
| 	writel_relaxed(val7, vfe->base + VFE_0_BUS_BDG_QOS_CFG_7);
 | |
| }
 | |
| 
 | |
| static void vfe_set_ds(struct vfe_device *vfe)
 | |
| {
 | |
| 	/* empty */
 | |
| }
 | |
| 
 | |
| static void vfe_set_cgc_override(struct vfe_device *vfe, u8 wm, u8 enable)
 | |
| {
 | |
| 	u32 val = VFE_0_CGC_OVERRIDE_1_IMAGE_Mx_CGC_OVERRIDE(wm);
 | |
| 
 | |
| 	if (enable)
 | |
| 		vfe_reg_set(vfe, VFE_0_CGC_OVERRIDE_1, val);
 | |
| 	else
 | |
| 		vfe_reg_clr(vfe, VFE_0_CGC_OVERRIDE_1, val);
 | |
| 
 | |
| 	wmb();
 | |
| }
 | |
| 
 | |
| static void vfe_set_camif_cfg(struct vfe_device *vfe, struct vfe_line *line)
 | |
| {
 | |
| 	u32 val;
 | |
| 
 | |
| 	switch (line->fmt[MSM_VFE_PAD_SINK].code) {
 | |
| 	case MEDIA_BUS_FMT_YUYV8_2X8:
 | |
| 		val = VFE_0_CORE_CFG_PIXEL_PATTERN_YCBYCR;
 | |
| 		break;
 | |
| 	case MEDIA_BUS_FMT_YVYU8_2X8:
 | |
| 		val = VFE_0_CORE_CFG_PIXEL_PATTERN_YCRYCB;
 | |
| 		break;
 | |
| 	case MEDIA_BUS_FMT_UYVY8_2X8:
 | |
| 	default:
 | |
| 		val = VFE_0_CORE_CFG_PIXEL_PATTERN_CBYCRY;
 | |
| 		break;
 | |
| 	case MEDIA_BUS_FMT_VYUY8_2X8:
 | |
| 		val = VFE_0_CORE_CFG_PIXEL_PATTERN_CRYCBY;
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CORE_CFG);
 | |
| 
 | |
| 	val = line->fmt[MSM_VFE_PAD_SINK].width * 2;
 | |
| 	val |= line->fmt[MSM_VFE_PAD_SINK].height << 16;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CAMIF_FRAME_CFG);
 | |
| 
 | |
| 	val = line->fmt[MSM_VFE_PAD_SINK].width * 2 - 1;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CAMIF_WINDOW_WIDTH_CFG);
 | |
| 
 | |
| 	val = line->fmt[MSM_VFE_PAD_SINK].height - 1;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CAMIF_WINDOW_HEIGHT_CFG);
 | |
| 
 | |
| 	val = 0xffffffff;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CAMIF_SUBSAMPLE_CFG_0);
 | |
| 
 | |
| 	val = 0xffffffff;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN);
 | |
| 
 | |
| 	val = VFE_0_RDI_CFG_x_MIPI_EN_BITS;
 | |
| 	vfe_reg_set(vfe, VFE_0_RDI_CFG_x(0), val);
 | |
| 
 | |
| 	val = VFE_0_CAMIF_CFG_VFE_OUTPUT_EN;
 | |
| 	writel_relaxed(val, vfe->base + VFE_0_CAMIF_CFG);
 | |
| }
 | |
| 
 | |
| static void vfe_set_camif_cmd(struct vfe_device *vfe, u8 enable)
 | |
| {
 | |
| 	u32 cmd;
 | |
| 
 | |
| 	cmd = VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS | VFE_0_CAMIF_CMD_NO_CHANGE;
 | |
| 	writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD);
 | |
| 	wmb();
 | |
| 
 | |
| 	if (enable)
 | |
| 		cmd = VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY;
 | |
| 	else
 | |
| 		cmd = VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY;
 | |
| 
 | |
| 	writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD);
 | |
| }
 | |
| 
 | |
| static void vfe_set_module_cfg(struct vfe_device *vfe, u8 enable)
 | |
| {
 | |
| 	u32 val = VFE_0_MODULE_CFG_DEMUX |
 | |
| 		  VFE_0_MODULE_CFG_CHROMA_UPSAMPLE |
 | |
| 		  VFE_0_MODULE_CFG_SCALE_ENC |
 | |
| 		  VFE_0_MODULE_CFG_CROP_ENC;
 | |
| 
 | |
| 	if (enable)
 | |
| 		writel_relaxed(val, vfe->base + VFE_0_MODULE_CFG);
 | |
| 	else
 | |
| 		writel_relaxed(0x0, vfe->base + VFE_0_MODULE_CFG);
 | |
| }
 | |
| 
 | |
| static int vfe_camif_wait_for_stop(struct vfe_device *vfe, struct device *dev)
 | |
| {
 | |
| 	u32 val;
 | |
| 	int ret;
 | |
| 
 | |
| 	ret = readl_poll_timeout(vfe->base + VFE_0_CAMIF_STATUS,
 | |
| 				 val,
 | |
| 				 (val & VFE_0_CAMIF_STATUS_HALT),
 | |
| 				 CAMIF_TIMEOUT_SLEEP_US,
 | |
| 				 CAMIF_TIMEOUT_ALL_US);
 | |
| 	if (ret < 0)
 | |
| 		dev_err(dev, "%s: camif stop timeout\n", __func__);
 | |
| 
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1)
 | |
| {
 | |
| 	*value0 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_0);
 | |
| 	*value1 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_1);
 | |
| 
 | |
| 	writel_relaxed(*value0, vfe->base + VFE_0_IRQ_CLEAR_0);
 | |
| 	writel_relaxed(*value1, vfe->base + VFE_0_IRQ_CLEAR_1);
 | |
| 
 | |
| 	wmb();
 | |
| 	writel_relaxed(VFE_0_IRQ_CMD_GLOBAL_CLEAR, vfe->base + VFE_0_IRQ_CMD);
 | |
| }
 | |
| 
 | |
| static void vfe_violation_read(struct vfe_device *vfe)
 | |
| {
 | |
| 	u32 violation = readl_relaxed(vfe->base + VFE_0_VIOLATION_STATUS);
 | |
| 
 | |
| 	pr_err_ratelimited("VFE: violation = 0x%08x\n", violation);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * vfe_isr - ISPIF module interrupt handler
 | |
|  * @irq: Interrupt line
 | |
|  * @dev: VFE device
 | |
|  *
 | |
|  * Return IRQ_HANDLED on success
 | |
|  */
 | |
| static irqreturn_t vfe_isr(int irq, void *dev)
 | |
| {
 | |
| 	struct vfe_device *vfe = dev;
 | |
| 	u32 value0, value1;
 | |
| 	int i, j;
 | |
| 
 | |
| 	vfe->ops->isr_read(vfe, &value0, &value1);
 | |
| 
 | |
| 	trace_printk("VFE: status0 = 0x%08x, status1 = 0x%08x\n",
 | |
| 		     value0, value1);
 | |
| 
 | |
| 	if (value0 & VFE_0_IRQ_STATUS_0_RESET_ACK)
 | |
| 		vfe->isr_ops.reset_ack(vfe);
 | |
| 
 | |
| 	if (value1 & VFE_0_IRQ_STATUS_1_VIOLATION)
 | |
| 		vfe->ops->violation_read(vfe);
 | |
| 
 | |
| 	if (value1 & VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK)
 | |
| 		vfe->isr_ops.halt_ack(vfe);
 | |
| 
 | |
| 	for (i = VFE_LINE_RDI0; i <= VFE_LINE_PIX; i++)
 | |
| 		if (value0 & VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(i))
 | |
| 			vfe->isr_ops.reg_update(vfe, i);
 | |
| 
 | |
| 	if (value0 & VFE_0_IRQ_STATUS_0_CAMIF_SOF)
 | |
| 		vfe->isr_ops.sof(vfe, VFE_LINE_PIX);
 | |
| 
 | |
| 	for (i = VFE_LINE_RDI0; i <= VFE_LINE_RDI2; i++)
 | |
| 		if (value1 & VFE_0_IRQ_STATUS_1_RDIn_SOF(i))
 | |
| 			vfe->isr_ops.sof(vfe, i);
 | |
| 
 | |
| 	for (i = 0; i < MSM_VFE_COMPOSITE_IRQ_NUM; i++)
 | |
| 		if (value0 & VFE_0_IRQ_STATUS_0_IMAGE_COMPOSITE_DONE_n(i)) {
 | |
| 			vfe->isr_ops.comp_done(vfe, i);
 | |
| 			for (j = 0; j < ARRAY_SIZE(vfe->wm_output_map); j++)
 | |
| 				if (vfe->wm_output_map[j] == VFE_LINE_PIX)
 | |
| 					value0 &= ~VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(j);
 | |
| 		}
 | |
| 
 | |
| 	for (i = 0; i < MSM_VFE_IMAGE_MASTERS_NUM; i++)
 | |
| 		if (value0 & VFE_0_IRQ_STATUS_0_IMAGE_MASTER_n_PING_PONG(i))
 | |
| 			vfe->isr_ops.wm_done(vfe, i);
 | |
| 
 | |
| 	return IRQ_HANDLED;
 | |
| }
 | |
| 
 | |
| const struct vfe_hw_ops vfe_ops_4_1 = {
 | |
| 	.hw_version_read = vfe_hw_version_read,
 | |
| 	.get_ub_size = vfe_get_ub_size,
 | |
| 	.global_reset = vfe_global_reset,
 | |
| 	.halt_request = vfe_halt_request,
 | |
| 	.halt_clear = vfe_halt_clear,
 | |
| 	.wm_enable = vfe_wm_enable,
 | |
| 	.wm_frame_based = vfe_wm_frame_based,
 | |
| 	.wm_line_based = vfe_wm_line_based,
 | |
| 	.wm_set_framedrop_period = vfe_wm_set_framedrop_period,
 | |
| 	.wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern,
 | |
| 	.wm_set_ub_cfg = vfe_wm_set_ub_cfg,
 | |
| 	.bus_reload_wm = vfe_bus_reload_wm,
 | |
| 	.wm_set_ping_addr = vfe_wm_set_ping_addr,
 | |
| 	.wm_set_pong_addr = vfe_wm_set_pong_addr,
 | |
| 	.wm_get_ping_pong_status = vfe_wm_get_ping_pong_status,
 | |
| 	.bus_enable_wr_if = vfe_bus_enable_wr_if,
 | |
| 	.bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi,
 | |
| 	.wm_set_subsample = vfe_wm_set_subsample,
 | |
| 	.bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi,
 | |
| 	.set_xbar_cfg = vfe_set_xbar_cfg,
 | |
| 	.set_realign_cfg = vfe_set_realign_cfg,
 | |
| 	.set_rdi_cid = vfe_set_rdi_cid,
 | |
| 	.reg_update = vfe_reg_update,
 | |
| 	.reg_update_clear = vfe_reg_update_clear,
 | |
| 	.enable_irq_wm_line = vfe_enable_irq_wm_line,
 | |
| 	.enable_irq_pix_line = vfe_enable_irq_pix_line,
 | |
| 	.enable_irq_common = vfe_enable_irq_common,
 | |
| 	.set_demux_cfg = vfe_set_demux_cfg,
 | |
| 	.set_scale_cfg = vfe_set_scale_cfg,
 | |
| 	.set_crop_cfg = vfe_set_crop_cfg,
 | |
| 	.set_clamp_cfg = vfe_set_clamp_cfg,
 | |
| 	.set_qos = vfe_set_qos,
 | |
| 	.set_ds = vfe_set_ds,
 | |
| 	.set_cgc_override = vfe_set_cgc_override,
 | |
| 	.set_camif_cfg = vfe_set_camif_cfg,
 | |
| 	.set_camif_cmd = vfe_set_camif_cmd,
 | |
| 	.set_module_cfg = vfe_set_module_cfg,
 | |
| 	.camif_wait_for_stop = vfe_camif_wait_for_stop,
 | |
| 	.isr_read = vfe_isr_read,
 | |
| 	.violation_read = vfe_violation_read,
 | |
| 	.isr = vfe_isr,
 | |
| };
 | 
