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linuxdebug/drivers/media/platform/qcom/camss/camss-vfe-4-7.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* camss-vfe-4-7.c
*
* Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module v4.7
*
* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
* Copyright (C) 2015-2018 Linaro Ltd.
*/
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include "camss.h"
#include "camss-vfe.h"
#include "camss-vfe-gen1.h"
#define VFE_0_HW_VERSION 0x000
#define VFE_0_GLOBAL_RESET_CMD 0x018
#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_PM BIT(5)
#define VFE_0_GLOBAL_RESET_CMD_BUS_MISR BIT(6)
#define VFE_0_GLOBAL_RESET_CMD_TESTGEN BIT(7)
#define VFE_0_GLOBAL_RESET_CMD_DSP BIT(8)
#define VFE_0_GLOBAL_RESET_CMD_IDLE_CGC BIT(9)
#define VFE_0_MODULE_LENS_EN 0x040
#define VFE_0_MODULE_LENS_EN_DEMUX BIT(2)
#define VFE_0_MODULE_LENS_EN_CHROMA_UPSAMPLE BIT(3)
#define VFE_0_MODULE_ZOOM_EN 0x04c
#define VFE_0_MODULE_ZOOM_EN_SCALE_ENC BIT(1)
#define VFE_0_MODULE_ZOOM_EN_CROP_ENC BIT(2)
#define VFE_0_MODULE_ZOOM_EN_REALIGN_BUF BIT(9)
#define VFE_0_CORE_CFG 0x050
#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_CORE_CFG_COMPOSITE_REG_UPDATE_EN BIT(4)
#define VFE_0_IRQ_CMD 0x058
#define VFE_0_IRQ_CMD_GLOBAL_CLEAR BIT(0)
#define VFE_0_IRQ_MASK_0 0x05c
#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 0x060
#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 0x064
#define VFE_0_IRQ_CLEAR_1 0x068
#define VFE_0_IRQ_STATUS_0 0x06c
#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 0x070
#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 0x074
#define VFE_0_VIOLATION_STATUS 0x07c
#define VFE_0_BUS_CMD 0x80
#define VFE_0_BUS_CMD_Mx_RLD_CMD(x) BIT(x)
#define VFE_0_BUS_CFG 0x084
#define VFE_0_BUS_XBAR_CFG_x(x) (0x90 + 0x4 * ((x) / 2))
#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN BIT(2)
#define VFE_0_BUS_XBAR_CFG_x_M_REALIGN_BUF_EN BIT(3)
#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTRA (0x1 << 4)
#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER (0x2 << 4)
#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 0x0
#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 0xc
#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 0xd
#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 0xe
#define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(n) (0x0a0 + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT 0
#define VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(n) (0x0a4 + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(n) (0x0ac + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(n) (0x0b4 + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT 1
#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) (0x0b8 + 0x2c * (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) (0x0bc + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(n) (0x0c0 + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(n) \
(0x0c4 + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(n) \
(0x0c8 + 0x2c * (n))
#define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF 0xffffffff
#define VFE_0_BUS_PING_PONG_STATUS 0x338
#define VFE_0_BUS_BDG_CMD 0x400
#define VFE_0_BUS_BDG_CMD_HALT_REQ 1
#define VFE_0_BUS_BDG_QOS_CFG_0 0x404
#define VFE_0_BUS_BDG_QOS_CFG_0_CFG 0xaaa9aaa9
#define VFE_0_BUS_BDG_QOS_CFG_1 0x408
#define VFE_0_BUS_BDG_QOS_CFG_2 0x40c
#define VFE_0_BUS_BDG_QOS_CFG_3 0x410
#define VFE_0_BUS_BDG_QOS_CFG_4 0x414
#define VFE_0_BUS_BDG_QOS_CFG_5 0x418
#define VFE_0_BUS_BDG_QOS_CFG_6 0x41c
#define VFE_0_BUS_BDG_QOS_CFG_7 0x420
#define VFE_0_BUS_BDG_QOS_CFG_7_CFG 0x0001aaa9
#define VFE48_0_BUS_BDG_QOS_CFG_0_CFG 0xaaa5aaa5
#define VFE48_0_BUS_BDG_QOS_CFG_3_CFG 0xaa55aaa5
#define VFE48_0_BUS_BDG_QOS_CFG_4_CFG 0xaa55aa55
#define VFE48_0_BUS_BDG_QOS_CFG_7_CFG 0x0005aa55
#define VFE_0_BUS_BDG_DS_CFG_0 0x424
#define VFE_0_BUS_BDG_DS_CFG_0_CFG 0xcccc0011
#define VFE_0_BUS_BDG_DS_CFG_1 0x428
#define VFE_0_BUS_BDG_DS_CFG_2 0x42c
#define VFE_0_BUS_BDG_DS_CFG_3 0x430
#define VFE_0_BUS_BDG_DS_CFG_4 0x434
#define VFE_0_BUS_BDG_DS_CFG_5 0x438
#define VFE_0_BUS_BDG_DS_CFG_6 0x43c
#define VFE_0_BUS_BDG_DS_CFG_7 0x440
#define VFE_0_BUS_BDG_DS_CFG_8 0x444
#define VFE_0_BUS_BDG_DS_CFG_9 0x448
#define VFE_0_BUS_BDG_DS_CFG_10 0x44c
#define VFE_0_BUS_BDG_DS_CFG_11 0x450
#define VFE_0_BUS_BDG_DS_CFG_12 0x454
#define VFE_0_BUS_BDG_DS_CFG_13 0x458
#define VFE_0_BUS_BDG_DS_CFG_14 0x45c
#define VFE_0_BUS_BDG_DS_CFG_15 0x460
#define VFE_0_BUS_BDG_DS_CFG_16 0x464
#define VFE_0_BUS_BDG_DS_CFG_16_CFG 0x40000103
#define VFE48_0_BUS_BDG_DS_CFG_0_CFG 0xcccc1111
#define VFE48_0_BUS_BDG_DS_CFG_16_CFG 0x00000110
#define VFE_0_RDI_CFG_x(x) (0x46c + (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_CAMIF_CMD 0x478
#define VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY 0
#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 0x47c
#define VFE_0_CAMIF_CFG_VFE_OUTPUT_EN BIT(6)
#define VFE_0_CAMIF_FRAME_CFG 0x484
#define VFE_0_CAMIF_WINDOW_WIDTH_CFG 0x488
#define VFE_0_CAMIF_WINDOW_HEIGHT_CFG 0x48c
#define VFE_0_CAMIF_SUBSAMPLE_CFG 0x490
#define VFE_0_CAMIF_IRQ_FRAMEDROP_PATTERN 0x498
#define VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN 0x49c
#define VFE_0_CAMIF_STATUS 0x4a4
#define VFE_0_CAMIF_STATUS_HALT BIT(31)
#define VFE_0_REG_UPDATE 0x4ac
#define VFE_0_REG_UPDATE_RDIn(n) BIT(1 + (n))
#define VFE_0_REG_UPDATE_line_n(n) \
((n) == VFE_LINE_PIX ? 1 : VFE_0_REG_UPDATE_RDIn(n))
#define VFE_0_DEMUX_CFG 0x560
#define VFE_0_DEMUX_CFG_PERIOD 0x3
#define VFE_0_DEMUX_GAIN_0 0x564
#define VFE_0_DEMUX_GAIN_0_CH0_EVEN (0x80 << 0)
#define VFE_0_DEMUX_GAIN_0_CH0_ODD (0x80 << 16)
#define VFE_0_DEMUX_GAIN_1 0x568
#define VFE_0_DEMUX_GAIN_1_CH1 (0x80 << 0)
#define VFE_0_DEMUX_GAIN_1_CH2 (0x80 << 16)
#define VFE_0_DEMUX_EVEN_CFG 0x574
#define VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV 0x9cac
#define VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU 0xac9c
#define VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY 0xc9ca
#define VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY 0xcac9
#define VFE_0_DEMUX_ODD_CFG 0x578
#define VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV 0x9cac
#define VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU 0xac9c
#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 0x91c
#define VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE 0x920
#define VFE_0_SCALE_ENC_Y_H_PHASE 0x924
#define VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE 0x934
#define VFE_0_SCALE_ENC_Y_V_PHASE 0x938
#define VFE_0_SCALE_ENC_CBCR_CFG 0x948
#define VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE 0x94c
#define VFE_0_SCALE_ENC_CBCR_H_PHASE 0x950
#define VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE 0x960
#define VFE_0_SCALE_ENC_CBCR_V_PHASE 0x964
#define VFE_0_CROP_ENC_Y_WIDTH 0x974
#define VFE_0_CROP_ENC_Y_HEIGHT 0x978
#define VFE_0_CROP_ENC_CBCR_WIDTH 0x97c
#define VFE_0_CROP_ENC_CBCR_HEIGHT 0x980
#define VFE_0_CLAMP_ENC_MAX_CFG 0x984
#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 0x988
#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_REALIGN_BUF_CFG 0xaac
#define VFE_0_REALIGN_BUF_CFG_CB_ODD_PIXEL BIT(2)
#define VFE_0_REALIGN_BUF_CFG_CR_ODD_PIXEL BIT(3)
#define VFE_0_REALIGN_BUF_CFG_HSUB_ENABLE BIT(4)
#define VFE48_0_BUS_IMAGE_MASTER_CMD 0xcec
#define VFE48_0_BUS_IMAGE_MASTER_n_SHIFT(x) (2 * (x))
#define CAMIF_TIMEOUT_SLEEP_US 1000
#define CAMIF_TIMEOUT_ALL_US 1000000
#define MSM_VFE_VFE0_UB_SIZE 2047
#define MSM_VFE_VFE0_UB_SIZE_RDI (MSM_VFE_VFE0_UB_SIZE / 3)
#define MSM_VFE_VFE1_UB_SIZE 1535
#define MSM_VFE_VFE1_UB_SIZE_RDI (MSM_VFE_VFE1_UB_SIZE / 3)
static u32 vfe_hw_version(struct vfe_device *vfe)
{
u32 hw_version = readl_relaxed(vfe->base + VFE_0_HW_VERSION);
dev_dbg(vfe->camss->dev, "VFE HW Version = 0x%08x\n", hw_version);
return hw_version;
}
static u16 vfe_get_ub_size(u8 vfe_id)
{
if (vfe_id == 0)
return MSM_VFE_VFE0_UB_SIZE_RDI;
else if (vfe_id == 1)
return MSM_VFE_VFE1_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_IDLE_CGC |
VFE_0_GLOBAL_RESET_CMD_DSP |
VFE_0_GLOBAL_RESET_CMD_TESTGEN |
VFE_0_GLOBAL_RESET_CMD_BUS_MISR |
VFE_0_GLOBAL_RESET_CMD_PM |
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(BIT(31), vfe->base + VFE_0_IRQ_MASK_0);
/* Enforce barrier between IRQ mask setup and global reset */
wmb();
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_ADDR_CFG(wm),
1 << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT);
else
vfe_reg_clr(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm),
1 << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT);
}
#define CALC_WORD(width, M, N) (((width) * (M) + (N) - 1) / (N))
static int vfe_word_per_line_by_pixel(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 int vfe_word_per_line_by_bytes(u32 bytes_per_line)
{
return CALC_WORD(bytes_per_line, 1, 8);
}
static void vfe_get_wm_sizes(struct v4l2_pix_format_mplane *pix, u8 plane,
u16 *width, u16 *height, u16 *bytesperline)
{
*width = pix->width;
*height = pix->height;
switch (pix->pixelformat) {
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
*bytesperline = pix->plane_fmt[0].bytesperline;
if (plane == 1)
*height /= 2;
break;
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
*bytesperline = pix->plane_fmt[0].bytesperline;
break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_VYUY:
case V4L2_PIX_FMT_UYVY:
*bytesperline = pix->plane_fmt[plane].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_by_pixel(pix->pixelformat, width);
reg = height - 1;
reg |= ((wpl + 3) / 4 - 1) << 16;
writel_relaxed(reg, vfe->base +
VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm));
wpl = vfe_word_per_line_by_bytes(bytesperline);
reg = 0x3;
reg |= (height - 1) << 2;
reg |= ((wpl + 1) / 2) << 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)
{
/* Enforce barrier between any outstanding register write */
wmb();
writel_relaxed(VFE_0_BUS_CMD_Mx_RLD_CMD(wm), vfe->base + VFE_0_BUS_CMD);
/* Use barrier to make sure bus reload is issued before anything else */
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(0x101, 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;
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_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;
switch (p) {
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA <<
VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
if (output->wm_idx[0] % 2 == 1)
reg <<= 16;
if (enable)
vfe_reg_set(vfe,
VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
reg);
else
vfe_reg_clr(vfe,
VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
reg);
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;
if (output->wm_idx[1] % 2 == 1)
reg <<= 16;
if (enable)
vfe_reg_set(vfe,
VFE_0_BUS_XBAR_CFG_x(output->wm_idx[1]),
reg);
else
vfe_reg_clr(vfe,
VFE_0_BUS_XBAR_CFG_x(output->wm_idx[1]),
reg);
break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_VYUY:
case V4L2_PIX_FMT_UYVY:
reg = VFE_0_BUS_XBAR_CFG_x_M_REALIGN_BUF_EN;
reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN;
if (p == V4L2_PIX_FMT_YUYV || p == V4L2_PIX_FMT_YVYU)
reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA;
if (output->wm_idx[0] % 2 == 1)
reg <<= 16;
if (enable)
vfe_reg_set(vfe,
VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
reg);
else
vfe_reg_clr(vfe,
VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
reg);
break;
default:
break;
}
}
static void vfe_set_realign_cfg(struct vfe_device *vfe, struct vfe_line *line,
u8 enable)
{
u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
u32 val = VFE_0_MODULE_ZOOM_EN_REALIGN_BUF;
if (p != V4L2_PIX_FMT_YUYV && p != V4L2_PIX_FMT_YVYU &&
p != V4L2_PIX_FMT_VYUY && p != V4L2_PIX_FMT_UYVY)
return;
if (enable) {
vfe_reg_set(vfe, VFE_0_MODULE_ZOOM_EN, val);
} else {
vfe_reg_clr(vfe, VFE_0_MODULE_ZOOM_EN, val);
return;
}
val = VFE_0_REALIGN_BUF_CFG_HSUB_ENABLE;
if (p == V4L2_PIX_FMT_UYVY || p == V4L2_PIX_FMT_YUYV)
val |= VFE_0_REALIGN_BUF_CFG_CR_ODD_PIXEL;
else
val |= VFE_0_REALIGN_BUF_CFG_CB_ODD_PIXEL;
writel_relaxed(val, vfe->base + VFE_0_REALIGN_BUF_CFG);
}
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);
/* Enforce barrier between line update and commit */
wmb();
writel_relaxed(vfe->reg_update, vfe->base + VFE_0_REG_UPDATE);
/* Make sure register update is issued before further reg writes */
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 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 - 1;
output = line->compose.width - 1;
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 << (14 + interp_reso)) / output;
reg = (interp_reso << 28) | phase_mult;
writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_PHASE);
input = line->fmt[MSM_VFE_PAD_SINK].height - 1;
output = line->compose.height - 1;
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 << (14 + interp_reso)) / output;
reg = (interp_reso << 28) | 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 - 1;
output = line->compose.width / 2 - 1;
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 << (14 + interp_reso)) / output;
reg = (interp_reso << 28) | phase_mult;
writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_PHASE);
input = line->fmt[MSM_VFE_PAD_SINK].height - 1;
output = line->compose.height - 1;
if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21)
output = line->compose.height / 2 - 1;
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 << (14 + interp_reso)) / output;
reg = (interp_reso << 28) | 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)
{
u32 val = VFE_0_BUS_BDG_DS_CFG_0_CFG;
u32 val16 = VFE_0_BUS_BDG_DS_CFG_16_CFG;
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_0);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_1);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_2);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_3);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_4);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_5);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_6);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_7);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_8);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_9);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_10);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_11);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_12);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_13);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_14);
writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_15);
writel_relaxed(val16, vfe->base + VFE_0_BUS_BDG_DS_CFG_16);
}
static void vfe_set_cgc_override(struct vfe_device *vfe, u8 wm, u8 enable)
{
/* empty */
}
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;
}
val |= VFE_0_CORE_CFG_COMPOSITE_REG_UPDATE_EN;
writel_relaxed(val, vfe->base + VFE_0_CORE_CFG);
val = line->fmt[MSM_VFE_PAD_SINK].width * 2 - 1;
val |= (line->fmt[MSM_VFE_PAD_SINK].height - 1) << 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);
val = 0xffffffff;
writel_relaxed(val, vfe->base + VFE_0_CAMIF_IRQ_FRAMEDROP_PATTERN);
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);
/* Make sure camif command is issued written before it is changed again */
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_lens = VFE_0_MODULE_LENS_EN_DEMUX |
VFE_0_MODULE_LENS_EN_CHROMA_UPSAMPLE;
u32 val_zoom = VFE_0_MODULE_ZOOM_EN_SCALE_ENC |
VFE_0_MODULE_ZOOM_EN_CROP_ENC;
if (enable) {
vfe_reg_set(vfe, VFE_0_MODULE_LENS_EN, val_lens);
vfe_reg_set(vfe, VFE_0_MODULE_ZOOM_EN, val_zoom);
} else {
vfe_reg_clr(vfe, VFE_0_MODULE_LENS_EN, val_lens);
vfe_reg_clr(vfe, VFE_0_MODULE_ZOOM_EN, val_zoom);
}
}
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;
}
/*
* vfe_isr - VFE 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);
dev_dbg(vfe->camss->dev, "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_num; 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;
}
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);
/* Enforce barrier between local & global IRQ clear */
wmb();
writel_relaxed(VFE_0_IRQ_CMD_GLOBAL_CLEAR, vfe->base + VFE_0_IRQ_CMD);
}
/*
* vfe_pm_domain_off - Disable power domains specific to this VFE.
* @vfe: VFE Device
*/
static void vfe_pm_domain_off(struct vfe_device *vfe)
{
struct camss *camss;
if (!vfe)
return;
camss = vfe->camss;
device_link_del(camss->genpd_link[vfe->id]);
}
/*
* vfe_pm_domain_on - Enable power domains specific to this VFE.
* @vfe: VFE Device
*/
static int vfe_pm_domain_on(struct vfe_device *vfe)
{
struct camss *camss = vfe->camss;
enum vfe_line_id id = vfe->id;
camss->genpd_link[id] = device_link_add(camss->dev, camss->genpd[id], DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE);
if (!camss->genpd_link[id]) {
dev_err(vfe->camss->dev, "Failed to add VFE#%d to power domain\n", id);
return -EINVAL;
}
return 0;
}
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);
}
static const struct vfe_hw_ops_gen1 vfe_ops_gen1_4_7 = {
.bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi,
.bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi,
.bus_enable_wr_if = vfe_bus_enable_wr_if,
.bus_reload_wm = vfe_bus_reload_wm,
.camif_wait_for_stop = vfe_camif_wait_for_stop,
.enable_irq_common = vfe_enable_irq_common,
.enable_irq_pix_line = vfe_enable_irq_pix_line,
.enable_irq_wm_line = vfe_enable_irq_wm_line,
.get_ub_size = vfe_get_ub_size,
.halt_clear = vfe_halt_clear,
.halt_request = vfe_halt_request,
.set_camif_cfg = vfe_set_camif_cfg,
.set_camif_cmd = vfe_set_camif_cmd,
.set_cgc_override = vfe_set_cgc_override,
.set_clamp_cfg = vfe_set_clamp_cfg,
.set_crop_cfg = vfe_set_crop_cfg,
.set_demux_cfg = vfe_set_demux_cfg,
.set_ds = vfe_set_ds,
.set_module_cfg = vfe_set_module_cfg,
.set_qos = vfe_set_qos,
.set_rdi_cid = vfe_set_rdi_cid,
.set_realign_cfg = vfe_set_realign_cfg,
.set_scale_cfg = vfe_set_scale_cfg,
.set_xbar_cfg = vfe_set_xbar_cfg,
.wm_enable = vfe_wm_enable,
.wm_frame_based = vfe_wm_frame_based,
.wm_get_ping_pong_status = vfe_wm_get_ping_pong_status,
.wm_line_based = vfe_wm_line_based,
.wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern,
.wm_set_framedrop_period = vfe_wm_set_framedrop_period,
.wm_set_ping_addr = vfe_wm_set_ping_addr,
.wm_set_pong_addr = vfe_wm_set_pong_addr,
.wm_set_subsample = vfe_wm_set_subsample,
.wm_set_ub_cfg = vfe_wm_set_ub_cfg,
};
static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe)
{
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_7;
vfe->video_ops = vfe_video_ops_gen1;
vfe->line_num = VFE_LINE_NUM_GEN1;
}
const struct vfe_hw_ops vfe_ops_4_7 = {
.global_reset = vfe_global_reset,
.hw_version = vfe_hw_version,
.isr_read = vfe_isr_read,
.isr = vfe_isr,
.pm_domain_off = vfe_pm_domain_off,
.pm_domain_on = vfe_pm_domain_on,
.reg_update_clear = vfe_reg_update_clear,
.reg_update = vfe_reg_update,
.subdev_init = vfe_subdev_init,
.vfe_disable = vfe_gen1_disable,
.vfe_enable = vfe_gen1_enable,
.vfe_halt = vfe_gen1_halt,
.violation_read = vfe_violation_read,
};