mirror of https://gitee.com/openkylin/linux.git
1421 lines
36 KiB
C
1421 lines
36 KiB
C
/*
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* Copyright (C) 2012 Samsung Electronics Co.Ltd
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* Authors:
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* Eunchul Kim <chulspro.kim@samsung.com>
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* Jinyoung Jeon <jy0.jeon@samsung.com>
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* Sangmin Lee <lsmin.lee@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/component.h>
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#include <linux/platform_device.h>
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#include <linux/mfd/syscon.h>
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#include <linux/regmap.h>
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#include <linux/clk.h>
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#include <linux/pm_runtime.h>
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#include <linux/of.h>
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#include <linux/spinlock.h>
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#include <drm/drmP.h>
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#include <drm/exynos_drm.h>
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#include "regs-fimc.h"
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#include "exynos_drm_drv.h"
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#include "exynos_drm_iommu.h"
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#include "exynos_drm_ipp.h"
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/*
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* FIMC stands for Fully Interactive Mobile Camera and
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* supports image scaler/rotator and input/output DMA operations.
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* input DMA reads image data from the memory.
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* output DMA writes image data to memory.
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* FIMC supports image rotation and image effect functions.
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*/
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#define FIMC_MAX_DEVS 4
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#define FIMC_MAX_SRC 2
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#define FIMC_MAX_DST 32
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#define FIMC_SHFACTOR 10
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#define FIMC_BUF_STOP 1
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#define FIMC_BUF_START 2
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#define FIMC_WIDTH_ITU_709 1280
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#define FIMC_AUTOSUSPEND_DELAY 2000
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static unsigned int fimc_mask = 0xc;
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module_param_named(fimc_devs, fimc_mask, uint, 0644);
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MODULE_PARM_DESC(fimc_devs, "Alias mask for assigning FIMC devices to Exynos DRM");
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#define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev))
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enum {
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FIMC_CLK_LCLK,
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FIMC_CLK_GATE,
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FIMC_CLK_WB_A,
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FIMC_CLK_WB_B,
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FIMC_CLKS_MAX
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};
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static const char * const fimc_clock_names[] = {
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[FIMC_CLK_LCLK] = "sclk_fimc",
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[FIMC_CLK_GATE] = "fimc",
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[FIMC_CLK_WB_A] = "pxl_async0",
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[FIMC_CLK_WB_B] = "pxl_async1",
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};
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/*
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* A structure of scaler.
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*
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* @range: narrow, wide.
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* @bypass: unused scaler path.
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* @up_h: horizontal scale up.
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* @up_v: vertical scale up.
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* @hratio: horizontal ratio.
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* @vratio: vertical ratio.
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*/
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struct fimc_scaler {
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bool range;
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bool bypass;
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bool up_h;
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bool up_v;
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u32 hratio;
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u32 vratio;
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};
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/*
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* A structure of fimc context.
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*
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* @regs_res: register resources.
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* @regs: memory mapped io registers.
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* @lock: locking of operations.
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* @clocks: fimc clocks.
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* @sc: scaler infomations.
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* @pol: porarity of writeback.
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* @id: fimc id.
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* @irq: irq number.
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*/
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struct fimc_context {
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struct exynos_drm_ipp ipp;
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struct drm_device *drm_dev;
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struct device *dev;
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struct exynos_drm_ipp_task *task;
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struct exynos_drm_ipp_formats *formats;
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unsigned int num_formats;
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struct resource *regs_res;
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void __iomem *regs;
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spinlock_t lock;
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struct clk *clocks[FIMC_CLKS_MAX];
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struct fimc_scaler sc;
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int id;
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int irq;
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};
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static u32 fimc_read(struct fimc_context *ctx, u32 reg)
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{
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return readl(ctx->regs + reg);
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}
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static void fimc_write(struct fimc_context *ctx, u32 val, u32 reg)
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{
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writel(val, ctx->regs + reg);
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}
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static void fimc_set_bits(struct fimc_context *ctx, u32 reg, u32 bits)
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{
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void __iomem *r = ctx->regs + reg;
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writel(readl(r) | bits, r);
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}
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static void fimc_clear_bits(struct fimc_context *ctx, u32 reg, u32 bits)
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{
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void __iomem *r = ctx->regs + reg;
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writel(readl(r) & ~bits, r);
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}
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static void fimc_sw_reset(struct fimc_context *ctx)
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{
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u32 cfg;
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/* stop dma operation */
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cfg = fimc_read(ctx, EXYNOS_CISTATUS);
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if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg))
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fimc_clear_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
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fimc_set_bits(ctx, EXYNOS_CISRCFMT, EXYNOS_CISRCFMT_ITU601_8BIT);
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/* disable image capture */
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fimc_clear_bits(ctx, EXYNOS_CIIMGCPT,
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EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
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/* s/w reset */
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fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
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/* s/w reset complete */
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fimc_clear_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
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/* reset sequence */
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fimc_write(ctx, 0x0, EXYNOS_CIFCNTSEQ);
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}
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static void fimc_set_type_ctrl(struct fimc_context *ctx)
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{
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u32 cfg;
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cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
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cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK |
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EXYNOS_CIGCTRL_SELCAM_ITU_MASK |
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EXYNOS_CIGCTRL_SELCAM_MIPI_MASK |
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EXYNOS_CIGCTRL_SELCAM_FIMC_MASK |
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EXYNOS_CIGCTRL_SELWB_CAMIF_MASK |
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EXYNOS_CIGCTRL_SELWRITEBACK_MASK);
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cfg |= (EXYNOS_CIGCTRL_SELCAM_ITU_A |
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EXYNOS_CIGCTRL_SELWRITEBACK_A |
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EXYNOS_CIGCTRL_SELCAM_MIPI_A |
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EXYNOS_CIGCTRL_SELCAM_FIMC_ITU);
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fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
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}
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static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
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{
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u32 cfg;
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DRM_DEBUG_KMS("enable[%d]\n", enable);
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cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
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if (enable)
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cfg |= EXYNOS_CIGCTRL_CAM_JPEG;
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else
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cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG;
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fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
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}
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static void fimc_mask_irq(struct fimc_context *ctx, bool enable)
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{
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u32 cfg;
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DRM_DEBUG_KMS("enable[%d]\n", enable);
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cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
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if (enable) {
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cfg &= ~EXYNOS_CIGCTRL_IRQ_OVFEN;
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cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE | EXYNOS_CIGCTRL_IRQ_LEVEL;
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} else
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cfg &= ~EXYNOS_CIGCTRL_IRQ_ENABLE;
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fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
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}
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static void fimc_clear_irq(struct fimc_context *ctx)
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{
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fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_CLR);
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}
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static bool fimc_check_ovf(struct fimc_context *ctx)
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{
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u32 status, flag;
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status = fimc_read(ctx, EXYNOS_CISTATUS);
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flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
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EXYNOS_CISTATUS_OVFICR;
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DRM_DEBUG_KMS("flag[0x%x]\n", flag);
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if (status & flag) {
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fimc_set_bits(ctx, EXYNOS_CIWDOFST,
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EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
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EXYNOS_CIWDOFST_CLROVFICR);
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dev_err(ctx->dev, "occurred overflow at %d, status 0x%x.\n",
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ctx->id, status);
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return true;
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}
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return false;
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}
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static bool fimc_check_frame_end(struct fimc_context *ctx)
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{
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u32 cfg;
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cfg = fimc_read(ctx, EXYNOS_CISTATUS);
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DRM_DEBUG_KMS("cfg[0x%x]\n", cfg);
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if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
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return false;
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cfg &= ~(EXYNOS_CISTATUS_FRAMEEND);
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fimc_write(ctx, cfg, EXYNOS_CISTATUS);
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return true;
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}
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static int fimc_get_buf_id(struct fimc_context *ctx)
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{
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u32 cfg;
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int frame_cnt, buf_id;
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cfg = fimc_read(ctx, EXYNOS_CISTATUS2);
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frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg);
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if (frame_cnt == 0)
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frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg);
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DRM_DEBUG_KMS("present[%d]before[%d]\n",
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EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg),
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EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg));
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if (frame_cnt == 0) {
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DRM_ERROR("failed to get frame count.\n");
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return -EIO;
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}
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buf_id = frame_cnt - 1;
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DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
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return buf_id;
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}
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static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
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{
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u32 cfg;
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DRM_DEBUG_KMS("enable[%d]\n", enable);
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cfg = fimc_read(ctx, EXYNOS_CIOCTRL);
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if (enable)
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cfg |= EXYNOS_CIOCTRL_LASTENDEN;
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else
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cfg &= ~EXYNOS_CIOCTRL_LASTENDEN;
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fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
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}
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static void fimc_src_set_fmt_order(struct fimc_context *ctx, u32 fmt)
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{
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u32 cfg;
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DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
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/* RGB */
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cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
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cfg &= ~EXYNOS_CISCCTRL_INRGB_FMT_RGB_MASK;
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switch (fmt) {
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case DRM_FORMAT_RGB565:
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cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565;
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fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
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return;
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case DRM_FORMAT_RGB888:
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case DRM_FORMAT_XRGB8888:
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cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888;
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fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
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return;
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default:
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/* bypass */
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break;
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}
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/* YUV */
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cfg = fimc_read(ctx, EXYNOS_MSCTRL);
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cfg &= ~(EXYNOS_MSCTRL_ORDER2P_SHIFT_MASK |
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EXYNOS_MSCTRL_C_INT_IN_2PLANE |
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EXYNOS_MSCTRL_ORDER422_YCBYCR);
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switch (fmt) {
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case DRM_FORMAT_YUYV:
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cfg |= EXYNOS_MSCTRL_ORDER422_YCBYCR;
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break;
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case DRM_FORMAT_YVYU:
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cfg |= EXYNOS_MSCTRL_ORDER422_YCRYCB;
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break;
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case DRM_FORMAT_UYVY:
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cfg |= EXYNOS_MSCTRL_ORDER422_CBYCRY;
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break;
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case DRM_FORMAT_VYUY:
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case DRM_FORMAT_YUV444:
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cfg |= EXYNOS_MSCTRL_ORDER422_CRYCBY;
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break;
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case DRM_FORMAT_NV21:
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case DRM_FORMAT_NV61:
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cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CRCB |
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EXYNOS_MSCTRL_C_INT_IN_2PLANE);
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break;
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case DRM_FORMAT_YUV422:
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case DRM_FORMAT_YUV420:
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case DRM_FORMAT_YVU420:
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cfg |= EXYNOS_MSCTRL_C_INT_IN_3PLANE;
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break;
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case DRM_FORMAT_NV12:
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case DRM_FORMAT_NV16:
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cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR |
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EXYNOS_MSCTRL_C_INT_IN_2PLANE);
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break;
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}
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fimc_write(ctx, cfg, EXYNOS_MSCTRL);
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}
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static void fimc_src_set_fmt(struct fimc_context *ctx, u32 fmt, bool tiled)
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{
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u32 cfg;
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DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
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cfg = fimc_read(ctx, EXYNOS_MSCTRL);
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cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB;
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switch (fmt) {
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case DRM_FORMAT_RGB565:
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case DRM_FORMAT_RGB888:
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case DRM_FORMAT_XRGB8888:
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cfg |= EXYNOS_MSCTRL_INFORMAT_RGB;
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break;
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case DRM_FORMAT_YUV444:
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cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
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break;
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case DRM_FORMAT_YUYV:
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case DRM_FORMAT_YVYU:
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case DRM_FORMAT_UYVY:
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case DRM_FORMAT_VYUY:
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cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422_1PLANE;
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break;
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case DRM_FORMAT_NV16:
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case DRM_FORMAT_NV61:
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case DRM_FORMAT_YUV422:
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cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422;
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break;
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case DRM_FORMAT_YUV420:
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case DRM_FORMAT_YVU420:
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case DRM_FORMAT_NV12:
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case DRM_FORMAT_NV21:
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cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
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break;
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}
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fimc_write(ctx, cfg, EXYNOS_MSCTRL);
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cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
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cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK;
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if (tiled)
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cfg |= EXYNOS_CIDMAPARAM_R_MODE_64X32;
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else
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cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR;
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fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
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fimc_src_set_fmt_order(ctx, fmt);
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}
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static void fimc_src_set_transf(struct fimc_context *ctx, unsigned int rotation)
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{
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unsigned int degree = rotation & DRM_MODE_ROTATE_MASK;
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u32 cfg1, cfg2;
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DRM_DEBUG_KMS("rotation[%x]\n", rotation);
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cfg1 = fimc_read(ctx, EXYNOS_MSCTRL);
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cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
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EXYNOS_MSCTRL_FLIP_Y_MIRROR);
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cfg2 = fimc_read(ctx, EXYNOS_CITRGFMT);
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cfg2 &= ~EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
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switch (degree) {
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case DRM_MODE_ROTATE_0:
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if (rotation & DRM_MODE_REFLECT_X)
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cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
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if (rotation & DRM_MODE_REFLECT_Y)
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cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
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break;
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case DRM_MODE_ROTATE_90:
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cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
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if (rotation & DRM_MODE_REFLECT_X)
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cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
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if (rotation & DRM_MODE_REFLECT_Y)
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cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
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break;
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case DRM_MODE_ROTATE_180:
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cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
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EXYNOS_MSCTRL_FLIP_Y_MIRROR);
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if (rotation & DRM_MODE_REFLECT_X)
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cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
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if (rotation & DRM_MODE_REFLECT_Y)
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cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
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break;
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case DRM_MODE_ROTATE_270:
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cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
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EXYNOS_MSCTRL_FLIP_Y_MIRROR);
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cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
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if (rotation & DRM_MODE_REFLECT_X)
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cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
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if (rotation & DRM_MODE_REFLECT_Y)
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cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
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break;
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}
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fimc_write(ctx, cfg1, EXYNOS_MSCTRL);
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fimc_write(ctx, cfg2, EXYNOS_CITRGFMT);
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}
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static void fimc_set_window(struct fimc_context *ctx,
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struct exynos_drm_ipp_buffer *buf)
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{
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unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
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u32 cfg, h1, h2, v1, v2;
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/* cropped image */
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h1 = buf->rect.x;
|
|
h2 = real_width - buf->rect.w - buf->rect.x;
|
|
v1 = buf->rect.y;
|
|
v2 = buf->buf.height - buf->rect.h - buf->rect.y;
|
|
|
|
DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
|
|
buf->rect.x, buf->rect.y, buf->rect.w, buf->rect.h,
|
|
real_width, buf->buf.height);
|
|
DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
|
|
|
|
/*
|
|
* set window offset 1, 2 size
|
|
* check figure 43-21 in user manual
|
|
*/
|
|
cfg = fimc_read(ctx, EXYNOS_CIWDOFST);
|
|
cfg &= ~(EXYNOS_CIWDOFST_WINHOROFST_MASK |
|
|
EXYNOS_CIWDOFST_WINVEROFST_MASK);
|
|
cfg |= (EXYNOS_CIWDOFST_WINHOROFST(h1) |
|
|
EXYNOS_CIWDOFST_WINVEROFST(v1));
|
|
cfg |= EXYNOS_CIWDOFST_WINOFSEN;
|
|
fimc_write(ctx, cfg, EXYNOS_CIWDOFST);
|
|
|
|
cfg = (EXYNOS_CIWDOFST2_WINHOROFST2(h2) |
|
|
EXYNOS_CIWDOFST2_WINVEROFST2(v2));
|
|
fimc_write(ctx, cfg, EXYNOS_CIWDOFST2);
|
|
}
|
|
|
|
static void fimc_src_set_size(struct fimc_context *ctx,
|
|
struct exynos_drm_ipp_buffer *buf)
|
|
{
|
|
unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
|
|
u32 cfg;
|
|
|
|
DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
|
|
|
|
/* original size */
|
|
cfg = (EXYNOS_ORGISIZE_HORIZONTAL(real_width) |
|
|
EXYNOS_ORGISIZE_VERTICAL(buf->buf.height));
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_ORGISIZE);
|
|
|
|
DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", buf->rect.x, buf->rect.y,
|
|
buf->rect.w, buf->rect.h);
|
|
|
|
/* set input DMA image size */
|
|
cfg = fimc_read(ctx, EXYNOS_CIREAL_ISIZE);
|
|
cfg &= ~(EXYNOS_CIREAL_ISIZE_HEIGHT_MASK |
|
|
EXYNOS_CIREAL_ISIZE_WIDTH_MASK);
|
|
cfg |= (EXYNOS_CIREAL_ISIZE_WIDTH(buf->rect.w) |
|
|
EXYNOS_CIREAL_ISIZE_HEIGHT(buf->rect.h));
|
|
fimc_write(ctx, cfg, EXYNOS_CIREAL_ISIZE);
|
|
|
|
/*
|
|
* set input FIFO image size
|
|
* for now, we support only ITU601 8 bit mode
|
|
*/
|
|
cfg = (EXYNOS_CISRCFMT_ITU601_8BIT |
|
|
EXYNOS_CISRCFMT_SOURCEHSIZE(real_width) |
|
|
EXYNOS_CISRCFMT_SOURCEVSIZE(buf->buf.height));
|
|
fimc_write(ctx, cfg, EXYNOS_CISRCFMT);
|
|
|
|
/* offset Y(RGB), Cb, Cr */
|
|
cfg = (EXYNOS_CIIYOFF_HORIZONTAL(buf->rect.x) |
|
|
EXYNOS_CIIYOFF_VERTICAL(buf->rect.y));
|
|
fimc_write(ctx, cfg, EXYNOS_CIIYOFF);
|
|
cfg = (EXYNOS_CIICBOFF_HORIZONTAL(buf->rect.x) |
|
|
EXYNOS_CIICBOFF_VERTICAL(buf->rect.y));
|
|
fimc_write(ctx, cfg, EXYNOS_CIICBOFF);
|
|
cfg = (EXYNOS_CIICROFF_HORIZONTAL(buf->rect.x) |
|
|
EXYNOS_CIICROFF_VERTICAL(buf->rect.y));
|
|
fimc_write(ctx, cfg, EXYNOS_CIICROFF);
|
|
|
|
fimc_set_window(ctx, buf);
|
|
}
|
|
|
|
static void fimc_src_set_addr(struct fimc_context *ctx,
|
|
struct exynos_drm_ipp_buffer *buf)
|
|
{
|
|
fimc_write(ctx, buf->dma_addr[0], EXYNOS_CIIYSA(0));
|
|
fimc_write(ctx, buf->dma_addr[1], EXYNOS_CIICBSA(0));
|
|
fimc_write(ctx, buf->dma_addr[2], EXYNOS_CIICRSA(0));
|
|
}
|
|
|
|
static void fimc_dst_set_fmt_order(struct fimc_context *ctx, u32 fmt)
|
|
{
|
|
u32 cfg;
|
|
|
|
DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
|
|
|
|
/* RGB */
|
|
cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
|
|
cfg &= ~EXYNOS_CISCCTRL_OUTRGB_FMT_RGB_MASK;
|
|
|
|
switch (fmt) {
|
|
case DRM_FORMAT_RGB565:
|
|
cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB565;
|
|
fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
|
|
return;
|
|
case DRM_FORMAT_RGB888:
|
|
cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888;
|
|
fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
|
|
return;
|
|
case DRM_FORMAT_XRGB8888:
|
|
cfg |= (EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888 |
|
|
EXYNOS_CISCCTRL_EXTRGB_EXTENSION);
|
|
fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
|
|
break;
|
|
default:
|
|
/* bypass */
|
|
break;
|
|
}
|
|
|
|
/* YUV */
|
|
cfg = fimc_read(ctx, EXYNOS_CIOCTRL);
|
|
cfg &= ~(EXYNOS_CIOCTRL_ORDER2P_MASK |
|
|
EXYNOS_CIOCTRL_ORDER422_MASK |
|
|
EXYNOS_CIOCTRL_YCBCR_PLANE_MASK);
|
|
|
|
switch (fmt) {
|
|
case DRM_FORMAT_XRGB8888:
|
|
cfg |= EXYNOS_CIOCTRL_ALPHA_OUT;
|
|
break;
|
|
case DRM_FORMAT_YUYV:
|
|
cfg |= EXYNOS_CIOCTRL_ORDER422_YCBYCR;
|
|
break;
|
|
case DRM_FORMAT_YVYU:
|
|
cfg |= EXYNOS_CIOCTRL_ORDER422_YCRYCB;
|
|
break;
|
|
case DRM_FORMAT_UYVY:
|
|
cfg |= EXYNOS_CIOCTRL_ORDER422_CBYCRY;
|
|
break;
|
|
case DRM_FORMAT_VYUY:
|
|
cfg |= EXYNOS_CIOCTRL_ORDER422_CRYCBY;
|
|
break;
|
|
case DRM_FORMAT_NV21:
|
|
case DRM_FORMAT_NV61:
|
|
cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CRCB;
|
|
cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
|
|
break;
|
|
case DRM_FORMAT_YUV422:
|
|
case DRM_FORMAT_YUV420:
|
|
case DRM_FORMAT_YVU420:
|
|
cfg |= EXYNOS_CIOCTRL_YCBCR_3PLANE;
|
|
break;
|
|
case DRM_FORMAT_NV12:
|
|
case DRM_FORMAT_NV16:
|
|
cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CBCR;
|
|
cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
|
|
break;
|
|
}
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
|
|
}
|
|
|
|
static void fimc_dst_set_fmt(struct fimc_context *ctx, u32 fmt, bool tiled)
|
|
{
|
|
u32 cfg;
|
|
|
|
DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
|
|
|
|
cfg = fimc_read(ctx, EXYNOS_CIEXTEN);
|
|
|
|
if (fmt == DRM_FORMAT_AYUV) {
|
|
cfg |= EXYNOS_CIEXTEN_YUV444_OUT;
|
|
fimc_write(ctx, cfg, EXYNOS_CIEXTEN);
|
|
} else {
|
|
cfg &= ~EXYNOS_CIEXTEN_YUV444_OUT;
|
|
fimc_write(ctx, cfg, EXYNOS_CIEXTEN);
|
|
|
|
cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
|
|
cfg &= ~EXYNOS_CITRGFMT_OUTFORMAT_MASK;
|
|
|
|
switch (fmt) {
|
|
case DRM_FORMAT_RGB565:
|
|
case DRM_FORMAT_RGB888:
|
|
case DRM_FORMAT_XRGB8888:
|
|
cfg |= EXYNOS_CITRGFMT_OUTFORMAT_RGB;
|
|
break;
|
|
case DRM_FORMAT_YUYV:
|
|
case DRM_FORMAT_YVYU:
|
|
case DRM_FORMAT_UYVY:
|
|
case DRM_FORMAT_VYUY:
|
|
cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422_1PLANE;
|
|
break;
|
|
case DRM_FORMAT_NV16:
|
|
case DRM_FORMAT_NV61:
|
|
case DRM_FORMAT_YUV422:
|
|
cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422;
|
|
break;
|
|
case DRM_FORMAT_YUV420:
|
|
case DRM_FORMAT_YVU420:
|
|
case DRM_FORMAT_NV12:
|
|
case DRM_FORMAT_NV21:
|
|
cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR420;
|
|
break;
|
|
}
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
|
|
}
|
|
|
|
cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
|
|
cfg &= ~EXYNOS_CIDMAPARAM_W_MODE_MASK;
|
|
|
|
if (tiled)
|
|
cfg |= EXYNOS_CIDMAPARAM_W_MODE_64X32;
|
|
else
|
|
cfg |= EXYNOS_CIDMAPARAM_W_MODE_LINEAR;
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
|
|
|
|
fimc_dst_set_fmt_order(ctx, fmt);
|
|
}
|
|
|
|
static void fimc_dst_set_transf(struct fimc_context *ctx, unsigned int rotation)
|
|
{
|
|
unsigned int degree = rotation & DRM_MODE_ROTATE_MASK;
|
|
u32 cfg;
|
|
|
|
DRM_DEBUG_KMS("rotation[0x%x]\n", rotation);
|
|
|
|
cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
|
|
cfg &= ~EXYNOS_CITRGFMT_FLIP_MASK;
|
|
cfg &= ~EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
|
|
|
|
switch (degree) {
|
|
case DRM_MODE_ROTATE_0:
|
|
if (rotation & DRM_MODE_REFLECT_X)
|
|
cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
|
|
if (rotation & DRM_MODE_REFLECT_Y)
|
|
cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
|
|
break;
|
|
case DRM_MODE_ROTATE_90:
|
|
cfg |= EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
|
|
if (rotation & DRM_MODE_REFLECT_X)
|
|
cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
|
|
if (rotation & DRM_MODE_REFLECT_Y)
|
|
cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
|
|
break;
|
|
case DRM_MODE_ROTATE_180:
|
|
cfg |= (EXYNOS_CITRGFMT_FLIP_X_MIRROR |
|
|
EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
|
|
if (rotation & DRM_MODE_REFLECT_X)
|
|
cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
|
|
if (rotation & DRM_MODE_REFLECT_Y)
|
|
cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
|
|
break;
|
|
case DRM_MODE_ROTATE_270:
|
|
cfg |= (EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE |
|
|
EXYNOS_CITRGFMT_FLIP_X_MIRROR |
|
|
EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
|
|
if (rotation & DRM_MODE_REFLECT_X)
|
|
cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
|
|
if (rotation & DRM_MODE_REFLECT_Y)
|
|
cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
|
|
break;
|
|
}
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
|
|
}
|
|
|
|
static int fimc_set_prescaler(struct fimc_context *ctx, struct fimc_scaler *sc,
|
|
struct drm_exynos_ipp_task_rect *src,
|
|
struct drm_exynos_ipp_task_rect *dst)
|
|
{
|
|
u32 cfg, cfg_ext, shfactor;
|
|
u32 pre_dst_width, pre_dst_height;
|
|
u32 hfactor, vfactor;
|
|
int ret = 0;
|
|
u32 src_w, src_h, dst_w, dst_h;
|
|
|
|
cfg_ext = fimc_read(ctx, EXYNOS_CITRGFMT);
|
|
if (cfg_ext & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) {
|
|
src_w = src->h;
|
|
src_h = src->w;
|
|
} else {
|
|
src_w = src->w;
|
|
src_h = src->h;
|
|
}
|
|
|
|
if (cfg_ext & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) {
|
|
dst_w = dst->h;
|
|
dst_h = dst->w;
|
|
} else {
|
|
dst_w = dst->w;
|
|
dst_h = dst->h;
|
|
}
|
|
|
|
/* fimc_ippdrv_check_property assures that dividers are not null */
|
|
hfactor = fls(src_w / dst_w / 2);
|
|
if (hfactor > FIMC_SHFACTOR / 2) {
|
|
dev_err(ctx->dev, "failed to get ratio horizontal.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
vfactor = fls(src_h / dst_h / 2);
|
|
if (vfactor > FIMC_SHFACTOR / 2) {
|
|
dev_err(ctx->dev, "failed to get ratio vertical.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
pre_dst_width = src_w >> hfactor;
|
|
pre_dst_height = src_h >> vfactor;
|
|
DRM_DEBUG_KMS("pre_dst_width[%d]pre_dst_height[%d]\n",
|
|
pre_dst_width, pre_dst_height);
|
|
DRM_DEBUG_KMS("hfactor[%d]vfactor[%d]\n", hfactor, vfactor);
|
|
|
|
sc->hratio = (src_w << 14) / (dst_w << hfactor);
|
|
sc->vratio = (src_h << 14) / (dst_h << vfactor);
|
|
sc->up_h = (dst_w >= src_w) ? true : false;
|
|
sc->up_v = (dst_h >= src_h) ? true : false;
|
|
DRM_DEBUG_KMS("hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n",
|
|
sc->hratio, sc->vratio, sc->up_h, sc->up_v);
|
|
|
|
shfactor = FIMC_SHFACTOR - (hfactor + vfactor);
|
|
DRM_DEBUG_KMS("shfactor[%d]\n", shfactor);
|
|
|
|
cfg = (EXYNOS_CISCPRERATIO_SHFACTOR(shfactor) |
|
|
EXYNOS_CISCPRERATIO_PREHORRATIO(1 << hfactor) |
|
|
EXYNOS_CISCPRERATIO_PREVERRATIO(1 << vfactor));
|
|
fimc_write(ctx, cfg, EXYNOS_CISCPRERATIO);
|
|
|
|
cfg = (EXYNOS_CISCPREDST_PREDSTWIDTH(pre_dst_width) |
|
|
EXYNOS_CISCPREDST_PREDSTHEIGHT(pre_dst_height));
|
|
fimc_write(ctx, cfg, EXYNOS_CISCPREDST);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
|
|
{
|
|
u32 cfg, cfg_ext;
|
|
|
|
DRM_DEBUG_KMS("range[%d]bypass[%d]up_h[%d]up_v[%d]\n",
|
|
sc->range, sc->bypass, sc->up_h, sc->up_v);
|
|
DRM_DEBUG_KMS("hratio[%d]vratio[%d]\n",
|
|
sc->hratio, sc->vratio);
|
|
|
|
cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
|
|
cfg &= ~(EXYNOS_CISCCTRL_SCALERBYPASS |
|
|
EXYNOS_CISCCTRL_SCALEUP_H | EXYNOS_CISCCTRL_SCALEUP_V |
|
|
EXYNOS_CISCCTRL_MAIN_V_RATIO_MASK |
|
|
EXYNOS_CISCCTRL_MAIN_H_RATIO_MASK |
|
|
EXYNOS_CISCCTRL_CSCR2Y_WIDE |
|
|
EXYNOS_CISCCTRL_CSCY2R_WIDE);
|
|
|
|
if (sc->range)
|
|
cfg |= (EXYNOS_CISCCTRL_CSCR2Y_WIDE |
|
|
EXYNOS_CISCCTRL_CSCY2R_WIDE);
|
|
if (sc->bypass)
|
|
cfg |= EXYNOS_CISCCTRL_SCALERBYPASS;
|
|
if (sc->up_h)
|
|
cfg |= EXYNOS_CISCCTRL_SCALEUP_H;
|
|
if (sc->up_v)
|
|
cfg |= EXYNOS_CISCCTRL_SCALEUP_V;
|
|
|
|
cfg |= (EXYNOS_CISCCTRL_MAINHORRATIO((sc->hratio >> 6)) |
|
|
EXYNOS_CISCCTRL_MAINVERRATIO((sc->vratio >> 6)));
|
|
fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
|
|
|
|
cfg_ext = fimc_read(ctx, EXYNOS_CIEXTEN);
|
|
cfg_ext &= ~EXYNOS_CIEXTEN_MAINHORRATIO_EXT_MASK;
|
|
cfg_ext &= ~EXYNOS_CIEXTEN_MAINVERRATIO_EXT_MASK;
|
|
cfg_ext |= (EXYNOS_CIEXTEN_MAINHORRATIO_EXT(sc->hratio) |
|
|
EXYNOS_CIEXTEN_MAINVERRATIO_EXT(sc->vratio));
|
|
fimc_write(ctx, cfg_ext, EXYNOS_CIEXTEN);
|
|
}
|
|
|
|
static void fimc_dst_set_size(struct fimc_context *ctx,
|
|
struct exynos_drm_ipp_buffer *buf)
|
|
{
|
|
unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
|
|
u32 cfg, cfg_ext;
|
|
|
|
DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
|
|
|
|
/* original size */
|
|
cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(real_width) |
|
|
EXYNOS_ORGOSIZE_VERTICAL(buf->buf.height));
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_ORGOSIZE);
|
|
|
|
DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", buf->rect.x, buf->rect.y,
|
|
buf->rect.w, buf->rect.h);
|
|
|
|
/* CSC ITU */
|
|
cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
|
|
cfg &= ~EXYNOS_CIGCTRL_CSC_MASK;
|
|
|
|
if (buf->buf.width >= FIMC_WIDTH_ITU_709)
|
|
cfg |= EXYNOS_CIGCTRL_CSC_ITU709;
|
|
else
|
|
cfg |= EXYNOS_CIGCTRL_CSC_ITU601;
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
|
|
|
|
cfg_ext = fimc_read(ctx, EXYNOS_CITRGFMT);
|
|
|
|
/* target image size */
|
|
cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
|
|
cfg &= ~(EXYNOS_CITRGFMT_TARGETH_MASK |
|
|
EXYNOS_CITRGFMT_TARGETV_MASK);
|
|
if (cfg_ext & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE)
|
|
cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(buf->rect.h) |
|
|
EXYNOS_CITRGFMT_TARGETVSIZE(buf->rect.w));
|
|
else
|
|
cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(buf->rect.w) |
|
|
EXYNOS_CITRGFMT_TARGETVSIZE(buf->rect.h));
|
|
fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
|
|
|
|
/* target area */
|
|
cfg = EXYNOS_CITAREA_TARGET_AREA(buf->rect.w * buf->rect.h);
|
|
fimc_write(ctx, cfg, EXYNOS_CITAREA);
|
|
|
|
/* offset Y(RGB), Cb, Cr */
|
|
cfg = (EXYNOS_CIOYOFF_HORIZONTAL(buf->rect.x) |
|
|
EXYNOS_CIOYOFF_VERTICAL(buf->rect.y));
|
|
fimc_write(ctx, cfg, EXYNOS_CIOYOFF);
|
|
cfg = (EXYNOS_CIOCBOFF_HORIZONTAL(buf->rect.x) |
|
|
EXYNOS_CIOCBOFF_VERTICAL(buf->rect.y));
|
|
fimc_write(ctx, cfg, EXYNOS_CIOCBOFF);
|
|
cfg = (EXYNOS_CIOCROFF_HORIZONTAL(buf->rect.x) |
|
|
EXYNOS_CIOCROFF_VERTICAL(buf->rect.y));
|
|
fimc_write(ctx, cfg, EXYNOS_CIOCROFF);
|
|
}
|
|
|
|
static void fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
|
|
bool enqueue)
|
|
{
|
|
unsigned long flags;
|
|
u32 buf_num;
|
|
u32 cfg;
|
|
|
|
DRM_DEBUG_KMS("buf_id[%d]enqueu[%d]\n", buf_id, enqueue);
|
|
|
|
spin_lock_irqsave(&ctx->lock, flags);
|
|
|
|
cfg = fimc_read(ctx, EXYNOS_CIFCNTSEQ);
|
|
|
|
if (enqueue)
|
|
cfg |= (1 << buf_id);
|
|
else
|
|
cfg &= ~(1 << buf_id);
|
|
|
|
fimc_write(ctx, cfg, EXYNOS_CIFCNTSEQ);
|
|
|
|
buf_num = hweight32(cfg);
|
|
|
|
if (enqueue && buf_num >= FIMC_BUF_START)
|
|
fimc_mask_irq(ctx, true);
|
|
else if (!enqueue && buf_num <= FIMC_BUF_STOP)
|
|
fimc_mask_irq(ctx, false);
|
|
|
|
spin_unlock_irqrestore(&ctx->lock, flags);
|
|
}
|
|
|
|
static void fimc_dst_set_addr(struct fimc_context *ctx,
|
|
struct exynos_drm_ipp_buffer *buf)
|
|
{
|
|
fimc_write(ctx, buf->dma_addr[0], EXYNOS_CIOYSA(0));
|
|
fimc_write(ctx, buf->dma_addr[1], EXYNOS_CIOCBSA(0));
|
|
fimc_write(ctx, buf->dma_addr[2], EXYNOS_CIOCRSA(0));
|
|
|
|
fimc_dst_set_buf_seq(ctx, 0, true);
|
|
}
|
|
|
|
static void fimc_stop(struct fimc_context *ctx);
|
|
|
|
static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
|
|
{
|
|
struct fimc_context *ctx = dev_id;
|
|
int buf_id;
|
|
|
|
DRM_DEBUG_KMS("fimc id[%d]\n", ctx->id);
|
|
|
|
fimc_clear_irq(ctx);
|
|
if (fimc_check_ovf(ctx))
|
|
return IRQ_NONE;
|
|
|
|
if (!fimc_check_frame_end(ctx))
|
|
return IRQ_NONE;
|
|
|
|
buf_id = fimc_get_buf_id(ctx);
|
|
if (buf_id < 0)
|
|
return IRQ_HANDLED;
|
|
|
|
DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
|
|
|
|
if (ctx->task) {
|
|
struct exynos_drm_ipp_task *task = ctx->task;
|
|
|
|
ctx->task = NULL;
|
|
pm_runtime_mark_last_busy(ctx->dev);
|
|
pm_runtime_put_autosuspend(ctx->dev);
|
|
exynos_drm_ipp_task_done(task, 0);
|
|
}
|
|
|
|
fimc_dst_set_buf_seq(ctx, buf_id, false);
|
|
fimc_stop(ctx);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static void fimc_clear_addr(struct fimc_context *ctx)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < FIMC_MAX_SRC; i++) {
|
|
fimc_write(ctx, 0, EXYNOS_CIIYSA(i));
|
|
fimc_write(ctx, 0, EXYNOS_CIICBSA(i));
|
|
fimc_write(ctx, 0, EXYNOS_CIICRSA(i));
|
|
}
|
|
|
|
for (i = 0; i < FIMC_MAX_DST; i++) {
|
|
fimc_write(ctx, 0, EXYNOS_CIOYSA(i));
|
|
fimc_write(ctx, 0, EXYNOS_CIOCBSA(i));
|
|
fimc_write(ctx, 0, EXYNOS_CIOCRSA(i));
|
|
}
|
|
}
|
|
|
|
static void fimc_reset(struct fimc_context *ctx)
|
|
{
|
|
/* reset h/w block */
|
|
fimc_sw_reset(ctx);
|
|
|
|
/* reset scaler capability */
|
|
memset(&ctx->sc, 0x0, sizeof(ctx->sc));
|
|
|
|
fimc_clear_addr(ctx);
|
|
}
|
|
|
|
static void fimc_start(struct fimc_context *ctx)
|
|
{
|
|
u32 cfg0, cfg1;
|
|
|
|
fimc_mask_irq(ctx, true);
|
|
|
|
/* If set true, we can save jpeg about screen */
|
|
fimc_handle_jpeg(ctx, false);
|
|
fimc_set_scaler(ctx, &ctx->sc);
|
|
|
|
fimc_set_type_ctrl(ctx);
|
|
fimc_handle_lastend(ctx, false);
|
|
|
|
/* setup dma */
|
|
cfg0 = fimc_read(ctx, EXYNOS_MSCTRL);
|
|
cfg0 &= ~EXYNOS_MSCTRL_INPUT_MASK;
|
|
cfg0 |= EXYNOS_MSCTRL_INPUT_MEMORY;
|
|
fimc_write(ctx, cfg0, EXYNOS_MSCTRL);
|
|
|
|
/* Reset status */
|
|
fimc_write(ctx, 0x0, EXYNOS_CISTATUS);
|
|
|
|
cfg0 = fimc_read(ctx, EXYNOS_CIIMGCPT);
|
|
cfg0 &= ~EXYNOS_CIIMGCPT_IMGCPTEN_SC;
|
|
cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN_SC;
|
|
|
|
/* Scaler */
|
|
cfg1 = fimc_read(ctx, EXYNOS_CISCCTRL);
|
|
cfg1 &= ~EXYNOS_CISCCTRL_SCAN_MASK;
|
|
cfg1 |= (EXYNOS_CISCCTRL_PROGRESSIVE |
|
|
EXYNOS_CISCCTRL_SCALERSTART);
|
|
|
|
fimc_write(ctx, cfg1, EXYNOS_CISCCTRL);
|
|
|
|
/* Enable image capture*/
|
|
cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN;
|
|
fimc_write(ctx, cfg0, EXYNOS_CIIMGCPT);
|
|
|
|
/* Disable frame end irq */
|
|
fimc_clear_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_END_DISABLE);
|
|
|
|
fimc_clear_bits(ctx, EXYNOS_CIOCTRL, EXYNOS_CIOCTRL_WEAVE_MASK);
|
|
|
|
fimc_set_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
|
|
}
|
|
|
|
static void fimc_stop(struct fimc_context *ctx)
|
|
{
|
|
u32 cfg;
|
|
|
|
/* Source clear */
|
|
cfg = fimc_read(ctx, EXYNOS_MSCTRL);
|
|
cfg &= ~EXYNOS_MSCTRL_INPUT_MASK;
|
|
cfg &= ~EXYNOS_MSCTRL_ENVID;
|
|
fimc_write(ctx, cfg, EXYNOS_MSCTRL);
|
|
|
|
fimc_mask_irq(ctx, false);
|
|
|
|
/* reset sequence */
|
|
fimc_write(ctx, 0x0, EXYNOS_CIFCNTSEQ);
|
|
|
|
/* Scaler disable */
|
|
fimc_clear_bits(ctx, EXYNOS_CISCCTRL, EXYNOS_CISCCTRL_SCALERSTART);
|
|
|
|
/* Disable image capture */
|
|
fimc_clear_bits(ctx, EXYNOS_CIIMGCPT,
|
|
EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
|
|
|
|
/* Enable frame end irq */
|
|
fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_END_DISABLE);
|
|
}
|
|
|
|
static int fimc_commit(struct exynos_drm_ipp *ipp,
|
|
struct exynos_drm_ipp_task *task)
|
|
{
|
|
struct fimc_context *ctx =
|
|
container_of(ipp, struct fimc_context, ipp);
|
|
|
|
pm_runtime_get_sync(ctx->dev);
|
|
ctx->task = task;
|
|
|
|
fimc_src_set_fmt(ctx, task->src.buf.fourcc, task->src.buf.modifier);
|
|
fimc_src_set_size(ctx, &task->src);
|
|
fimc_src_set_transf(ctx, DRM_MODE_ROTATE_0);
|
|
fimc_src_set_addr(ctx, &task->src);
|
|
fimc_dst_set_fmt(ctx, task->dst.buf.fourcc, task->dst.buf.modifier);
|
|
fimc_dst_set_transf(ctx, task->transform.rotation);
|
|
fimc_dst_set_size(ctx, &task->dst);
|
|
fimc_dst_set_addr(ctx, &task->dst);
|
|
fimc_set_prescaler(ctx, &ctx->sc, &task->src.rect, &task->dst.rect);
|
|
fimc_start(ctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void fimc_abort(struct exynos_drm_ipp *ipp,
|
|
struct exynos_drm_ipp_task *task)
|
|
{
|
|
struct fimc_context *ctx =
|
|
container_of(ipp, struct fimc_context, ipp);
|
|
|
|
fimc_reset(ctx);
|
|
|
|
if (ctx->task) {
|
|
struct exynos_drm_ipp_task *task = ctx->task;
|
|
|
|
ctx->task = NULL;
|
|
pm_runtime_mark_last_busy(ctx->dev);
|
|
pm_runtime_put_autosuspend(ctx->dev);
|
|
exynos_drm_ipp_task_done(task, -EIO);
|
|
}
|
|
}
|
|
|
|
static struct exynos_drm_ipp_funcs ipp_funcs = {
|
|
.commit = fimc_commit,
|
|
.abort = fimc_abort,
|
|
};
|
|
|
|
static int fimc_bind(struct device *dev, struct device *master, void *data)
|
|
{
|
|
struct fimc_context *ctx = dev_get_drvdata(dev);
|
|
struct drm_device *drm_dev = data;
|
|
struct exynos_drm_ipp *ipp = &ctx->ipp;
|
|
|
|
ctx->drm_dev = drm_dev;
|
|
drm_iommu_attach_device(drm_dev, dev);
|
|
|
|
exynos_drm_ipp_register(drm_dev, ipp, &ipp_funcs,
|
|
DRM_EXYNOS_IPP_CAP_CROP | DRM_EXYNOS_IPP_CAP_ROTATE |
|
|
DRM_EXYNOS_IPP_CAP_SCALE | DRM_EXYNOS_IPP_CAP_CONVERT,
|
|
ctx->formats, ctx->num_formats, "fimc");
|
|
|
|
dev_info(dev, "The exynos fimc has been probed successfully\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void fimc_unbind(struct device *dev, struct device *master,
|
|
void *data)
|
|
{
|
|
struct fimc_context *ctx = dev_get_drvdata(dev);
|
|
struct drm_device *drm_dev = data;
|
|
struct exynos_drm_ipp *ipp = &ctx->ipp;
|
|
|
|
exynos_drm_ipp_unregister(drm_dev, ipp);
|
|
drm_iommu_detach_device(drm_dev, dev);
|
|
}
|
|
|
|
static const struct component_ops fimc_component_ops = {
|
|
.bind = fimc_bind,
|
|
.unbind = fimc_unbind,
|
|
};
|
|
|
|
static void fimc_put_clocks(struct fimc_context *ctx)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < FIMC_CLKS_MAX; i++) {
|
|
if (IS_ERR(ctx->clocks[i]))
|
|
continue;
|
|
clk_put(ctx->clocks[i]);
|
|
ctx->clocks[i] = ERR_PTR(-EINVAL);
|
|
}
|
|
}
|
|
|
|
static int fimc_setup_clocks(struct fimc_context *ctx)
|
|
{
|
|
struct device *fimc_dev = ctx->dev;
|
|
struct device *dev;
|
|
int ret, i;
|
|
|
|
for (i = 0; i < FIMC_CLKS_MAX; i++)
|
|
ctx->clocks[i] = ERR_PTR(-EINVAL);
|
|
|
|
for (i = 0; i < FIMC_CLKS_MAX; i++) {
|
|
if (i == FIMC_CLK_WB_A || i == FIMC_CLK_WB_B)
|
|
dev = fimc_dev->parent;
|
|
else
|
|
dev = fimc_dev;
|
|
|
|
ctx->clocks[i] = clk_get(dev, fimc_clock_names[i]);
|
|
if (IS_ERR(ctx->clocks[i])) {
|
|
ret = PTR_ERR(ctx->clocks[i]);
|
|
dev_err(fimc_dev, "failed to get clock: %s\n",
|
|
fimc_clock_names[i]);
|
|
goto e_clk_free;
|
|
}
|
|
}
|
|
|
|
ret = clk_prepare_enable(ctx->clocks[FIMC_CLK_LCLK]);
|
|
if (!ret)
|
|
return ret;
|
|
e_clk_free:
|
|
fimc_put_clocks(ctx);
|
|
return ret;
|
|
}
|
|
|
|
int exynos_drm_check_fimc_device(struct device *dev)
|
|
{
|
|
int id = of_alias_get_id(dev->of_node, "fimc");
|
|
|
|
if (id >= 0 && (BIT(id) & fimc_mask))
|
|
return 0;
|
|
return -ENODEV;
|
|
}
|
|
|
|
static const unsigned int fimc_formats[] = {
|
|
DRM_FORMAT_XRGB8888, DRM_FORMAT_RGB565,
|
|
DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV21, DRM_FORMAT_NV61,
|
|
DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU,
|
|
DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, DRM_FORMAT_YUV422,
|
|
DRM_FORMAT_YUV444,
|
|
};
|
|
|
|
static const unsigned int fimc_tiled_formats[] = {
|
|
DRM_FORMAT_NV12, DRM_FORMAT_NV21,
|
|
};
|
|
|
|
static const struct drm_exynos_ipp_limit fimc_4210_limits_v1[] = {
|
|
{ IPP_SIZE_LIMIT(BUFFER, .h = { 16, 8192, 8 }, .v = { 16, 8192, 2 }) },
|
|
{ IPP_SIZE_LIMIT(AREA, .h = { 16, 4224, 2 }, .v = { 16, 0, 2 }) },
|
|
{ IPP_SIZE_LIMIT(ROTATED, .h = { 128, 1920 }, .v = { 128, 0 }) },
|
|
{ IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
|
|
.v = { (1 << 16) / 64, (1 << 16) * 64 }) },
|
|
};
|
|
|
|
static const struct drm_exynos_ipp_limit fimc_4210_limits_v2[] = {
|
|
{ IPP_SIZE_LIMIT(BUFFER, .h = { 16, 8192, 8 }, .v = { 16, 8192, 2 }) },
|
|
{ IPP_SIZE_LIMIT(AREA, .h = { 16, 1920, 2 }, .v = { 16, 0, 2 }) },
|
|
{ IPP_SIZE_LIMIT(ROTATED, .h = { 128, 1366 }, .v = { 128, 0 }) },
|
|
{ IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
|
|
.v = { (1 << 16) / 64, (1 << 16) * 64 }) },
|
|
};
|
|
|
|
static const struct drm_exynos_ipp_limit fimc_4210_limits_tiled_v1[] = {
|
|
{ IPP_SIZE_LIMIT(BUFFER, .h = { 128, 1920, 128 }, .v = { 32, 1920, 32 }) },
|
|
{ IPP_SIZE_LIMIT(AREA, .h = { 128, 1920, 2 }, .v = { 128, 0, 2 }) },
|
|
{ IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
|
|
.v = { (1 << 16) / 64, (1 << 16) * 64 }) },
|
|
};
|
|
|
|
static const struct drm_exynos_ipp_limit fimc_4210_limits_tiled_v2[] = {
|
|
{ IPP_SIZE_LIMIT(BUFFER, .h = { 128, 1920, 128 }, .v = { 32, 1920, 32 }) },
|
|
{ IPP_SIZE_LIMIT(AREA, .h = { 128, 1366, 2 }, .v = { 128, 0, 2 }) },
|
|
{ IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
|
|
.v = { (1 << 16) / 64, (1 << 16) * 64 }) },
|
|
};
|
|
|
|
static int fimc_probe(struct platform_device *pdev)
|
|
{
|
|
const struct drm_exynos_ipp_limit *limits;
|
|
struct exynos_drm_ipp_formats *formats;
|
|
struct device *dev = &pdev->dev;
|
|
struct fimc_context *ctx;
|
|
struct resource *res;
|
|
int ret;
|
|
int i, j, num_limits, num_formats;
|
|
|
|
if (exynos_drm_check_fimc_device(dev) != 0)
|
|
return -ENODEV;
|
|
|
|
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
|
|
if (!ctx)
|
|
return -ENOMEM;
|
|
|
|
ctx->dev = dev;
|
|
ctx->id = of_alias_get_id(dev->of_node, "fimc");
|
|
|
|
/* construct formats/limits array */
|
|
num_formats = ARRAY_SIZE(fimc_formats) + ARRAY_SIZE(fimc_tiled_formats);
|
|
formats = devm_kcalloc(dev, num_formats, sizeof(*formats),
|
|
GFP_KERNEL);
|
|
if (!formats)
|
|
return -ENOMEM;
|
|
|
|
/* linear formats */
|
|
if (ctx->id < 3) {
|
|
limits = fimc_4210_limits_v1;
|
|
num_limits = ARRAY_SIZE(fimc_4210_limits_v1);
|
|
} else {
|
|
limits = fimc_4210_limits_v2;
|
|
num_limits = ARRAY_SIZE(fimc_4210_limits_v2);
|
|
}
|
|
for (i = 0; i < ARRAY_SIZE(fimc_formats); i++) {
|
|
formats[i].fourcc = fimc_formats[i];
|
|
formats[i].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
|
|
DRM_EXYNOS_IPP_FORMAT_DESTINATION;
|
|
formats[i].limits = limits;
|
|
formats[i].num_limits = num_limits;
|
|
}
|
|
|
|
/* tiled formats */
|
|
if (ctx->id < 3) {
|
|
limits = fimc_4210_limits_tiled_v1;
|
|
num_limits = ARRAY_SIZE(fimc_4210_limits_tiled_v1);
|
|
} else {
|
|
limits = fimc_4210_limits_tiled_v2;
|
|
num_limits = ARRAY_SIZE(fimc_4210_limits_tiled_v2);
|
|
}
|
|
for (j = i, i = 0; i < ARRAY_SIZE(fimc_tiled_formats); j++, i++) {
|
|
formats[j].fourcc = fimc_tiled_formats[i];
|
|
formats[j].modifier = DRM_FORMAT_MOD_SAMSUNG_64_32_TILE;
|
|
formats[j].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
|
|
DRM_EXYNOS_IPP_FORMAT_DESTINATION;
|
|
formats[j].limits = limits;
|
|
formats[j].num_limits = num_limits;
|
|
}
|
|
|
|
ctx->formats = formats;
|
|
ctx->num_formats = num_formats;
|
|
|
|
/* resource memory */
|
|
ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
|
|
if (IS_ERR(ctx->regs))
|
|
return PTR_ERR(ctx->regs);
|
|
|
|
/* resource irq */
|
|
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
|
|
if (!res) {
|
|
dev_err(dev, "failed to request irq resource.\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
ret = devm_request_irq(dev, res->start, fimc_irq_handler,
|
|
0, dev_name(dev), ctx);
|
|
if (ret < 0) {
|
|
dev_err(dev, "failed to request irq.\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = fimc_setup_clocks(ctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
spin_lock_init(&ctx->lock);
|
|
platform_set_drvdata(pdev, ctx);
|
|
|
|
pm_runtime_use_autosuspend(dev);
|
|
pm_runtime_set_autosuspend_delay(dev, FIMC_AUTOSUSPEND_DELAY);
|
|
pm_runtime_enable(dev);
|
|
|
|
ret = component_add(dev, &fimc_component_ops);
|
|
if (ret)
|
|
goto err_pm_dis;
|
|
|
|
dev_info(dev, "drm fimc registered successfully.\n");
|
|
|
|
return 0;
|
|
|
|
err_pm_dis:
|
|
pm_runtime_dont_use_autosuspend(dev);
|
|
pm_runtime_disable(dev);
|
|
fimc_put_clocks(ctx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int fimc_remove(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct fimc_context *ctx = get_fimc_context(dev);
|
|
|
|
component_del(dev, &fimc_component_ops);
|
|
pm_runtime_dont_use_autosuspend(dev);
|
|
pm_runtime_disable(dev);
|
|
|
|
fimc_put_clocks(ctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int fimc_runtime_suspend(struct device *dev)
|
|
{
|
|
struct fimc_context *ctx = get_fimc_context(dev);
|
|
|
|
DRM_DEBUG_KMS("id[%d]\n", ctx->id);
|
|
clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
|
|
return 0;
|
|
}
|
|
|
|
static int fimc_runtime_resume(struct device *dev)
|
|
{
|
|
struct fimc_context *ctx = get_fimc_context(dev);
|
|
|
|
DRM_DEBUG_KMS("id[%d]\n", ctx->id);
|
|
return clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
|
|
}
|
|
#endif
|
|
|
|
static const struct dev_pm_ops fimc_pm_ops = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
|
|
pm_runtime_force_resume)
|
|
SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
|
|
};
|
|
|
|
static const struct of_device_id fimc_of_match[] = {
|
|
{ .compatible = "samsung,exynos4210-fimc" },
|
|
{ .compatible = "samsung,exynos4212-fimc" },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, fimc_of_match);
|
|
|
|
struct platform_driver fimc_driver = {
|
|
.probe = fimc_probe,
|
|
.remove = fimc_remove,
|
|
.driver = {
|
|
.of_match_table = fimc_of_match,
|
|
.name = "exynos-drm-fimc",
|
|
.owner = THIS_MODULE,
|
|
.pm = &fimc_pm_ops,
|
|
},
|
|
};
|