@@ -100,7 +100,7 @@ config DRM_EXYNOS_IPP
config DRM_EXYNOS_FIMC
bool "FIMC"
- depends on BROKEN && MFD_SYSCON
+ select DRM_EXYNOS_IPP
help
Choose this option if you want to use Exynos FIMC for DRM.
@@ -202,6 +202,7 @@ struct exynos_drm_driver_info {
#define DRM_COMPONENT_DRIVER BIT(0) /* supports component framework */
#define DRM_VIRTUAL_DEVICE BIT(1) /* create virtual platform device */
#define DRM_DMA_DEVICE BIT(2) /* can be used for dma allocations */
+#define DRM_FIMC_DEVICE BIT(3) /* devices shared with V4L2 subsystem */
#define DRV_PTR(drv, cond) (IS_ENABLED(cond) ? &drv : NULL)
@@ -241,6 +242,7 @@ static struct exynos_drm_driver_info exynos_drm_drivers[] = {
DRV_PTR(g2d_driver, CONFIG_DRM_EXYNOS_G2D),
}, {
DRV_PTR(fimc_driver, CONFIG_DRM_EXYNOS_FIMC),
+ DRM_COMPONENT_DRIVER | DRM_FIMC_DEVICE,
}, {
DRV_PTR(rotator_driver, CONFIG_DRM_EXYNOS_ROTATOR),
DRM_COMPONENT_DRIVER
@@ -274,7 +276,11 @@ static struct component_match *exynos_drm_match_add(struct device *dev)
&info->driver->driver,
(void *)platform_bus_type.match))) {
put_device(p);
- component_match_add(dev, &match, compare_dev, d);
+
+ if (!(info->flags & DRM_FIMC_DEVICE) ||
+ exynos_drm_check_fimc_device(d) == 0)
+ component_match_add(dev, &match,
+ compare_dev, d);
p = d;
}
put_device(p);
@@ -273,6 +273,15 @@ static inline int exynos_dpi_bind(struct drm_device *dev,
}
#endif
+#ifdef CONFIG_DRM_EXYNOS_FIMC
+int exynos_drm_check_fimc_device(struct device *dev);
+#else
+static inline int exynos_drm_check_fimc_device(struct device *dev)
+{
+ return 0;
+}
+#endif
+
int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state,
bool nonblock);
dissimilarity index 47%
@@ -1,1798 +1,1416 @@
-/*
- * Copyright (C) 2012 Samsung Electronics Co.Ltd
- * Authors:
- * Eunchul Kim <chulspro.kim@samsung.com>
- * Jinyoung Jeon <jy0.jeon@samsung.com>
- * Sangmin Lee <lsmin.lee@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/mfd/syscon.h>
-#include <linux/regmap.h>
-#include <linux/clk.h>
-#include <linux/pm_runtime.h>
-#include <linux/of.h>
-#include <linux/spinlock.h>
-
-#include <drm/drmP.h>
-#include <drm/exynos_drm.h>
-#include "regs-fimc.h"
-#include "exynos_drm_drv.h"
-#include "exynos_drm_ipp.h"
-#include "exynos_drm_fimc.h"
-
-/*
- * FIMC stands for Fully Interactive Mobile Camera and
- * supports image scaler/rotator and input/output DMA operations.
- * input DMA reads image data from the memory.
- * output DMA writes image data to memory.
- * FIMC supports image rotation and image effect functions.
- *
- * M2M operation : supports crop/scale/rotation/csc so on.
- * Memory ----> FIMC H/W ----> Memory.
- * Writeback operation : supports cloned screen with FIMD.
- * FIMD ----> FIMC H/W ----> Memory.
- * Output operation : supports direct display using local path.
- * Memory ----> FIMC H/W ----> FIMD.
- */
-
-/*
- * TODO
- * 1. check suspend/resume api if needed.
- * 2. need to check use case platform_device_id.
- * 3. check src/dst size with, height.
- * 4. added check_prepare api for right register.
- * 5. need to add supported list in prop_list.
- * 6. check prescaler/scaler optimization.
- */
-
-#define FIMC_MAX_DEVS 4
-#define FIMC_MAX_SRC 2
-#define FIMC_MAX_DST 32
-#define FIMC_SHFACTOR 10
-#define FIMC_BUF_STOP 1
-#define FIMC_BUF_START 2
-#define FIMC_WIDTH_ITU_709 1280
-#define FIMC_REFRESH_MAX 60
-#define FIMC_REFRESH_MIN 12
-#define FIMC_CROP_MAX 8192
-#define FIMC_CROP_MIN 32
-#define FIMC_SCALE_MAX 4224
-#define FIMC_SCALE_MIN 32
-
-#define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev))
-#define get_ctx_from_ippdrv(ippdrv) container_of(ippdrv,\
- struct fimc_context, ippdrv);
-enum fimc_wb {
- FIMC_WB_NONE,
- FIMC_WB_A,
- FIMC_WB_B,
-};
-
-enum {
- FIMC_CLK_LCLK,
- FIMC_CLK_GATE,
- FIMC_CLK_WB_A,
- FIMC_CLK_WB_B,
- FIMC_CLK_MUX,
- FIMC_CLK_PARENT,
- FIMC_CLKS_MAX
-};
-
-static const char * const fimc_clock_names[] = {
- [FIMC_CLK_LCLK] = "sclk_fimc",
- [FIMC_CLK_GATE] = "fimc",
- [FIMC_CLK_WB_A] = "pxl_async0",
- [FIMC_CLK_WB_B] = "pxl_async1",
- [FIMC_CLK_MUX] = "mux",
- [FIMC_CLK_PARENT] = "parent",
-};
-
-#define FIMC_DEFAULT_LCLK_FREQUENCY 133000000UL
-
-/*
- * A structure of scaler.
- *
- * @range: narrow, wide.
- * @bypass: unused scaler path.
- * @up_h: horizontal scale up.
- * @up_v: vertical scale up.
- * @hratio: horizontal ratio.
- * @vratio: vertical ratio.
- */
-struct fimc_scaler {
- bool range;
- bool bypass;
- bool up_h;
- bool up_v;
- u32 hratio;
- u32 vratio;
-};
-
-/*
- * A structure of scaler capability.
- *
- * find user manual table 43-1.
- * @in_hori: scaler input horizontal size.
- * @bypass: scaler bypass mode.
- * @dst_h_wo_rot: target horizontal size without output rotation.
- * @dst_h_rot: target horizontal size with output rotation.
- * @rl_w_wo_rot: real width without input rotation.
- * @rl_h_rot: real height without output rotation.
- */
-struct fimc_capability {
- /* scaler */
- u32 in_hori;
- u32 bypass;
- /* output rotator */
- u32 dst_h_wo_rot;
- u32 dst_h_rot;
- /* input rotator */
- u32 rl_w_wo_rot;
- u32 rl_h_rot;
-};
-
-/*
- * A structure of fimc context.
- *
- * @ippdrv: prepare initialization using ippdrv.
- * @regs_res: register resources.
- * @regs: memory mapped io registers.
- * @lock: locking of operations.
- * @clocks: fimc clocks.
- * @clk_frequency: LCLK clock frequency.
- * @sysreg: handle to SYSREG block regmap.
- * @sc: scaler infomations.
- * @pol: porarity of writeback.
- * @id: fimc id.
- * @irq: irq number.
- * @suspended: qos operations.
- */
-struct fimc_context {
- struct exynos_drm_ippdrv ippdrv;
- struct resource *regs_res;
- void __iomem *regs;
- spinlock_t lock;
- struct clk *clocks[FIMC_CLKS_MAX];
- u32 clk_frequency;
- struct regmap *sysreg;
- struct fimc_scaler sc;
- int id;
- int irq;
- bool suspended;
-};
-
-static u32 fimc_read(struct fimc_context *ctx, u32 reg)
-{
- return readl(ctx->regs + reg);
-}
-
-static void fimc_write(struct fimc_context *ctx, u32 val, u32 reg)
-{
- writel(val, ctx->regs + reg);
-}
-
-static void fimc_set_bits(struct fimc_context *ctx, u32 reg, u32 bits)
-{
- void __iomem *r = ctx->regs + reg;
-
- writel(readl(r) | bits, r);
-}
-
-static void fimc_clear_bits(struct fimc_context *ctx, u32 reg, u32 bits)
-{
- void __iomem *r = ctx->regs + reg;
-
- writel(readl(r) & ~bits, r);
-}
-
-static void fimc_sw_reset(struct fimc_context *ctx)
-{
- u32 cfg;
-
- /* stop dma operation */
- cfg = fimc_read(ctx, EXYNOS_CISTATUS);
- if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg))
- fimc_clear_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
-
- fimc_set_bits(ctx, EXYNOS_CISRCFMT, EXYNOS_CISRCFMT_ITU601_8BIT);
-
- /* disable image capture */
- fimc_clear_bits(ctx, EXYNOS_CIIMGCPT,
- EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
-
- /* s/w reset */
- fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
-
- /* s/w reset complete */
- fimc_clear_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
-
- /* reset sequence */
- fimc_write(ctx, 0x0, EXYNOS_CIFCNTSEQ);
-}
-
-static int fimc_set_camblk_fimd0_wb(struct fimc_context *ctx)
-{
- return regmap_update_bits(ctx->sysreg, SYSREG_CAMERA_BLK,
- SYSREG_FIMD0WB_DEST_MASK,
- ctx->id << SYSREG_FIMD0WB_DEST_SHIFT);
-}
-
-static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb)
-{
- u32 cfg;
-
- DRM_DEBUG_KMS("wb[%d]\n", wb);
-
- cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
- cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK |
- EXYNOS_CIGCTRL_SELCAM_ITU_MASK |
- EXYNOS_CIGCTRL_SELCAM_MIPI_MASK |
- EXYNOS_CIGCTRL_SELCAM_FIMC_MASK |
- EXYNOS_CIGCTRL_SELWB_CAMIF_MASK |
- EXYNOS_CIGCTRL_SELWRITEBACK_MASK);
-
- switch (wb) {
- case FIMC_WB_A:
- cfg |= (EXYNOS_CIGCTRL_SELWRITEBACK_A |
- EXYNOS_CIGCTRL_SELWB_CAMIF_WRITEBACK);
- break;
- case FIMC_WB_B:
- cfg |= (EXYNOS_CIGCTRL_SELWRITEBACK_B |
- EXYNOS_CIGCTRL_SELWB_CAMIF_WRITEBACK);
- break;
- case FIMC_WB_NONE:
- default:
- cfg |= (EXYNOS_CIGCTRL_SELCAM_ITU_A |
- EXYNOS_CIGCTRL_SELWRITEBACK_A |
- EXYNOS_CIGCTRL_SELCAM_MIPI_A |
- EXYNOS_CIGCTRL_SELCAM_FIMC_ITU);
- break;
- }
-
- fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
-}
-
-static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
-{
- u32 cfg;
-
- DRM_DEBUG_KMS("enable[%d]\n", enable);
-
- cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
- if (enable)
- cfg |= EXYNOS_CIGCTRL_CAM_JPEG;
- else
- cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG;
-
- fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
-}
-
-static void fimc_mask_irq(struct fimc_context *ctx, bool enable)
-{
- u32 cfg;
-
- DRM_DEBUG_KMS("enable[%d]\n", enable);
-
- cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
- if (enable) {
- cfg &= ~EXYNOS_CIGCTRL_IRQ_OVFEN;
- cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE | EXYNOS_CIGCTRL_IRQ_LEVEL;
- } else
- cfg &= ~EXYNOS_CIGCTRL_IRQ_ENABLE;
- fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
-}
-
-static void fimc_clear_irq(struct fimc_context *ctx)
-{
- fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_CLR);
-}
-
-static bool fimc_check_ovf(struct fimc_context *ctx)
-{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- u32 status, flag;
-
- status = fimc_read(ctx, EXYNOS_CISTATUS);
- flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
- EXYNOS_CISTATUS_OVFICR;
-
- DRM_DEBUG_KMS("flag[0x%x]\n", flag);
-
- if (status & flag) {
- fimc_set_bits(ctx, EXYNOS_CIWDOFST,
- EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
- EXYNOS_CIWDOFST_CLROVFICR);
-
- dev_err(ippdrv->dev, "occurred overflow at %d, status 0x%x.\n",
- ctx->id, status);
- return true;
- }
-
- return false;
-}
-
-static bool fimc_check_frame_end(struct fimc_context *ctx)
-{
- u32 cfg;
-
- cfg = fimc_read(ctx, EXYNOS_CISTATUS);
-
- DRM_DEBUG_KMS("cfg[0x%x]\n", cfg);
-
- if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
- return false;
-
- cfg &= ~(EXYNOS_CISTATUS_FRAMEEND);
- fimc_write(ctx, cfg, EXYNOS_CISTATUS);
-
- return true;
-}
-
-static int fimc_get_buf_id(struct fimc_context *ctx)
-{
- u32 cfg;
- int frame_cnt, buf_id;
-
- cfg = fimc_read(ctx, EXYNOS_CISTATUS2);
- frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg);
-
- if (frame_cnt == 0)
- frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg);
-
- DRM_DEBUG_KMS("present[%d]before[%d]\n",
- EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg),
- EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg));
-
- if (frame_cnt == 0) {
- DRM_ERROR("failed to get frame count.\n");
- return -EIO;
- }
-
- buf_id = frame_cnt - 1;
- DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
-
- return buf_id;
-}
-
-static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
-{
- u32 cfg;
-
- DRM_DEBUG_KMS("enable[%d]\n", enable);
-
- cfg = fimc_read(ctx, EXYNOS_CIOCTRL);
- if (enable)
- cfg |= EXYNOS_CIOCTRL_LASTENDEN;
- else
- cfg &= ~EXYNOS_CIOCTRL_LASTENDEN;
-
- fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
-}
-
-
-static int fimc_src_set_fmt_order(struct fimc_context *ctx, u32 fmt)
-{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- u32 cfg;
-
- DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
-
- /* RGB */
- cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
- cfg &= ~EXYNOS_CISCCTRL_INRGB_FMT_RGB_MASK;
-
- switch (fmt) {
- case DRM_FORMAT_RGB565:
- cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565;
- fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
- return 0;
- case DRM_FORMAT_RGB888:
- case DRM_FORMAT_XRGB8888:
- cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888;
- fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
- return 0;
- default:
- /* bypass */
- break;
- }
-
- /* YUV */
- cfg = fimc_read(ctx, EXYNOS_MSCTRL);
- cfg &= ~(EXYNOS_MSCTRL_ORDER2P_SHIFT_MASK |
- EXYNOS_MSCTRL_C_INT_IN_2PLANE |
- EXYNOS_MSCTRL_ORDER422_YCBYCR);
-
- switch (fmt) {
- case DRM_FORMAT_YUYV:
- cfg |= EXYNOS_MSCTRL_ORDER422_YCBYCR;
- break;
- case DRM_FORMAT_YVYU:
- cfg |= EXYNOS_MSCTRL_ORDER422_YCRYCB;
- break;
- case DRM_FORMAT_UYVY:
- cfg |= EXYNOS_MSCTRL_ORDER422_CBYCRY;
- break;
- case DRM_FORMAT_VYUY:
- case DRM_FORMAT_YUV444:
- cfg |= EXYNOS_MSCTRL_ORDER422_CRYCBY;
- break;
- case DRM_FORMAT_NV21:
- case DRM_FORMAT_NV61:
- cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CRCB |
- EXYNOS_MSCTRL_C_INT_IN_2PLANE);
- break;
- case DRM_FORMAT_YUV422:
- case DRM_FORMAT_YUV420:
- case DRM_FORMAT_YVU420:
- cfg |= EXYNOS_MSCTRL_C_INT_IN_3PLANE;
- break;
- case DRM_FORMAT_NV12:
- case DRM_FORMAT_NV16:
- cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR |
- EXYNOS_MSCTRL_C_INT_IN_2PLANE);
- break;
- default:
- dev_err(ippdrv->dev, "invalid source yuv order 0x%x.\n", fmt);
- return -EINVAL;
- }
-
- fimc_write(ctx, cfg, EXYNOS_MSCTRL);
-
- return 0;
-}
-
-static int fimc_src_set_fmt(struct device *dev, u32 fmt)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- u32 cfg;
-
- DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
-
- cfg = fimc_read(ctx, EXYNOS_MSCTRL);
- cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB;
-
- switch (fmt) {
- case DRM_FORMAT_RGB565:
- case DRM_FORMAT_RGB888:
- case DRM_FORMAT_XRGB8888:
- cfg |= EXYNOS_MSCTRL_INFORMAT_RGB;
- break;
- case DRM_FORMAT_YUV444:
- cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
- break;
- case DRM_FORMAT_YUYV:
- case DRM_FORMAT_YVYU:
- case DRM_FORMAT_UYVY:
- case DRM_FORMAT_VYUY:
- cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422_1PLANE;
- break;
- case DRM_FORMAT_NV16:
- case DRM_FORMAT_NV61:
- case DRM_FORMAT_YUV422:
- cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422;
- break;
- case DRM_FORMAT_YUV420:
- case DRM_FORMAT_YVU420:
- case DRM_FORMAT_NV12:
- case DRM_FORMAT_NV21:
- cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
- break;
- default:
- dev_err(ippdrv->dev, "invalid source format 0x%x.\n", fmt);
- return -EINVAL;
- }
-
- fimc_write(ctx, cfg, EXYNOS_MSCTRL);
-
- cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
- cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK;
-
- cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR;
-
- fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
-
- return fimc_src_set_fmt_order(ctx, fmt);
-}
-
-static int fimc_src_set_transf(struct device *dev,
- enum drm_exynos_degree degree,
- enum drm_exynos_flip flip, bool *swap)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- u32 cfg1, cfg2;
-
- DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
-
- cfg1 = fimc_read(ctx, EXYNOS_MSCTRL);
- cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
- EXYNOS_MSCTRL_FLIP_Y_MIRROR);
-
- cfg2 = fimc_read(ctx, EXYNOS_CITRGFMT);
- cfg2 &= ~EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
-
- switch (degree) {
- case EXYNOS_DRM_DEGREE_0:
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
- break;
- case EXYNOS_DRM_DEGREE_90:
- cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
- break;
- case EXYNOS_DRM_DEGREE_180:
- cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
- EXYNOS_MSCTRL_FLIP_Y_MIRROR);
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
- break;
- case EXYNOS_DRM_DEGREE_270:
- cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
- EXYNOS_MSCTRL_FLIP_Y_MIRROR);
- cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
- break;
- default:
- dev_err(ippdrv->dev, "invalid degree value %d.\n", degree);
- return -EINVAL;
- }
-
- fimc_write(ctx, cfg1, EXYNOS_MSCTRL);
- fimc_write(ctx, cfg2, EXYNOS_CITRGFMT);
- *swap = (cfg2 & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) ? 1 : 0;
-
- return 0;
-}
-
-static int fimc_set_window(struct fimc_context *ctx,
- struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
-{
- u32 cfg, h1, h2, v1, v2;
-
- /* cropped image */
- h1 = pos->x;
- h2 = sz->hsize - pos->w - pos->x;
- v1 = pos->y;
- v2 = sz->vsize - pos->h - pos->y;
-
- DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
- pos->x, pos->y, pos->w, pos->h, sz->hsize, sz->vsize);
- 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);
-
- return 0;
-}
-
-static int fimc_src_set_size(struct device *dev, int swap,
- struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct drm_exynos_pos img_pos = *pos;
- struct drm_exynos_sz img_sz = *sz;
- u32 cfg;
-
- DRM_DEBUG_KMS("swap[%d]hsize[%d]vsize[%d]\n",
- swap, sz->hsize, sz->vsize);
-
- /* original size */
- cfg = (EXYNOS_ORGISIZE_HORIZONTAL(img_sz.hsize) |
- EXYNOS_ORGISIZE_VERTICAL(img_sz.vsize));
-
- fimc_write(ctx, cfg, EXYNOS_ORGISIZE);
-
- DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", pos->x, pos->y, pos->w, pos->h);
-
- if (swap) {
- img_pos.w = pos->h;
- img_pos.h = pos->w;
- img_sz.hsize = sz->vsize;
- img_sz.vsize = sz->hsize;
- }
-
- /* 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(img_pos.w) |
- EXYNOS_CIREAL_ISIZE_HEIGHT(img_pos.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(img_sz.hsize) |
- EXYNOS_CISRCFMT_SOURCEVSIZE(img_sz.vsize));
- fimc_write(ctx, cfg, EXYNOS_CISRCFMT);
-
- /* offset Y(RGB), Cb, Cr */
- cfg = (EXYNOS_CIIYOFF_HORIZONTAL(img_pos.x) |
- EXYNOS_CIIYOFF_VERTICAL(img_pos.y));
- fimc_write(ctx, cfg, EXYNOS_CIIYOFF);
- cfg = (EXYNOS_CIICBOFF_HORIZONTAL(img_pos.x) |
- EXYNOS_CIICBOFF_VERTICAL(img_pos.y));
- fimc_write(ctx, cfg, EXYNOS_CIICBOFF);
- cfg = (EXYNOS_CIICROFF_HORIZONTAL(img_pos.x) |
- EXYNOS_CIICROFF_VERTICAL(img_pos.y));
- fimc_write(ctx, cfg, EXYNOS_CIICROFF);
-
- return fimc_set_window(ctx, &img_pos, &img_sz);
-}
-
-static int fimc_src_set_addr(struct device *dev,
- struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_property *property;
- struct drm_exynos_ipp_config *config;
-
- if (!c_node) {
- DRM_ERROR("failed to get c_node.\n");
- return -EINVAL;
- }
-
- property = &c_node->property;
-
- DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
- property->prop_id, buf_id, buf_type);
-
- if (buf_id > FIMC_MAX_SRC) {
- dev_info(ippdrv->dev, "invalid buf_id %d.\n", buf_id);
- return -ENOMEM;
- }
-
- /* address register set */
- switch (buf_type) {
- case IPP_BUF_ENQUEUE:
- config = &property->config[EXYNOS_DRM_OPS_SRC];
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_Y],
- EXYNOS_CIIYSA0);
-
- if (config->fmt == DRM_FORMAT_YVU420) {
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CR],
- EXYNOS_CIICBSA0);
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CB],
- EXYNOS_CIICRSA0);
- } else {
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CB],
- EXYNOS_CIICBSA0);
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CR],
- EXYNOS_CIICRSA0);
- }
- break;
- case IPP_BUF_DEQUEUE:
- fimc_write(ctx, 0x0, EXYNOS_CIIYSA0);
- fimc_write(ctx, 0x0, EXYNOS_CIICBSA0);
- fimc_write(ctx, 0x0, EXYNOS_CIICRSA0);
- break;
- default:
- /* bypass */
- break;
- }
-
- return 0;
-}
-
-static struct exynos_drm_ipp_ops fimc_src_ops = {
- .set_fmt = fimc_src_set_fmt,
- .set_transf = fimc_src_set_transf,
- .set_size = fimc_src_set_size,
- .set_addr = fimc_src_set_addr,
-};
-
-static int fimc_dst_set_fmt_order(struct fimc_context *ctx, u32 fmt)
-{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- 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 0;
- case DRM_FORMAT_RGB888:
- cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888;
- fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
- return 0;
- 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;
- default:
- dev_err(ippdrv->dev, "invalid target yuv order 0x%x.\n", fmt);
- return -EINVAL;
- }
-
- fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
-
- return 0;
-}
-
-static int fimc_dst_set_fmt(struct device *dev, u32 fmt)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- 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;
- default:
- dev_err(ippdrv->dev, "invalid target format 0x%x.\n",
- fmt);
- return -EINVAL;
- }
-
- fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
- }
-
- cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
- cfg &= ~EXYNOS_CIDMAPARAM_W_MODE_MASK;
-
- cfg |= EXYNOS_CIDMAPARAM_W_MODE_LINEAR;
-
- fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
-
- return fimc_dst_set_fmt_order(ctx, fmt);
-}
-
-static int fimc_dst_set_transf(struct device *dev,
- enum drm_exynos_degree degree,
- enum drm_exynos_flip flip, bool *swap)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- u32 cfg;
-
- DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
-
- cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
- cfg &= ~EXYNOS_CITRGFMT_FLIP_MASK;
- cfg &= ~EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
-
- switch (degree) {
- case EXYNOS_DRM_DEGREE_0:
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
- break;
- case EXYNOS_DRM_DEGREE_90:
- cfg |= EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
- break;
- case EXYNOS_DRM_DEGREE_180:
- cfg |= (EXYNOS_CITRGFMT_FLIP_X_MIRROR |
- EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
- break;
- case EXYNOS_DRM_DEGREE_270:
- cfg |= (EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE |
- EXYNOS_CITRGFMT_FLIP_X_MIRROR |
- EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
- break;
- default:
- dev_err(ippdrv->dev, "invalid degree value %d.\n", degree);
- return -EINVAL;
- }
-
- fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
- *swap = (cfg & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) ? 1 : 0;
-
- return 0;
-}
-
-static int fimc_set_prescaler(struct fimc_context *ctx, struct fimc_scaler *sc,
- struct drm_exynos_pos *src, struct drm_exynos_pos *dst)
-{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- 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(ippdrv->dev, "failed to get ratio horizontal.\n");
- return -EINVAL;
- }
-
- vfactor = fls(src_h / dst_h / 2);
- if (vfactor > FIMC_SHFACTOR / 2) {
- dev_err(ippdrv->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 int fimc_dst_set_size(struct device *dev, int swap,
- struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct drm_exynos_pos img_pos = *pos;
- struct drm_exynos_sz img_sz = *sz;
- u32 cfg;
-
- DRM_DEBUG_KMS("swap[%d]hsize[%d]vsize[%d]\n",
- swap, sz->hsize, sz->vsize);
-
- /* original size */
- cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(img_sz.hsize) |
- EXYNOS_ORGOSIZE_VERTICAL(img_sz.vsize));
-
- fimc_write(ctx, cfg, EXYNOS_ORGOSIZE);
-
- DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", pos->x, pos->y, pos->w, pos->h);
-
- /* CSC ITU */
- cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
- cfg &= ~EXYNOS_CIGCTRL_CSC_MASK;
-
- if (sz->hsize >= FIMC_WIDTH_ITU_709)
- cfg |= EXYNOS_CIGCTRL_CSC_ITU709;
- else
- cfg |= EXYNOS_CIGCTRL_CSC_ITU601;
-
- fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
-
- if (swap) {
- img_pos.w = pos->h;
- img_pos.h = pos->w;
- img_sz.hsize = sz->vsize;
- img_sz.vsize = sz->hsize;
- }
-
- /* target image size */
- cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
- cfg &= ~(EXYNOS_CITRGFMT_TARGETH_MASK |
- EXYNOS_CITRGFMT_TARGETV_MASK);
- cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(img_pos.w) |
- EXYNOS_CITRGFMT_TARGETVSIZE(img_pos.h));
- fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
-
- /* target area */
- cfg = EXYNOS_CITAREA_TARGET_AREA(img_pos.w * img_pos.h);
- fimc_write(ctx, cfg, EXYNOS_CITAREA);
-
- /* offset Y(RGB), Cb, Cr */
- cfg = (EXYNOS_CIOYOFF_HORIZONTAL(img_pos.x) |
- EXYNOS_CIOYOFF_VERTICAL(img_pos.y));
- fimc_write(ctx, cfg, EXYNOS_CIOYOFF);
- cfg = (EXYNOS_CIOCBOFF_HORIZONTAL(img_pos.x) |
- EXYNOS_CIOCBOFF_VERTICAL(img_pos.y));
- fimc_write(ctx, cfg, EXYNOS_CIOCBOFF);
- cfg = (EXYNOS_CIOCROFF_HORIZONTAL(img_pos.x) |
- EXYNOS_CIOCROFF_VERTICAL(img_pos.y));
- fimc_write(ctx, cfg, EXYNOS_CIOCROFF);
-
- return 0;
-}
-
-static void fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
-{
- unsigned long flags;
- u32 buf_num;
- u32 cfg;
-
- DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
-
- spin_lock_irqsave(&ctx->lock, flags);
-
- cfg = fimc_read(ctx, EXYNOS_CIFCNTSEQ);
-
- if (buf_type == IPP_BUF_ENQUEUE)
- cfg |= (1 << buf_id);
- else
- cfg &= ~(1 << buf_id);
-
- fimc_write(ctx, cfg, EXYNOS_CIFCNTSEQ);
-
- buf_num = hweight32(cfg);
-
- if (buf_type == IPP_BUF_ENQUEUE && buf_num >= FIMC_BUF_START)
- fimc_mask_irq(ctx, true);
- else if (buf_type == IPP_BUF_DEQUEUE && buf_num <= FIMC_BUF_STOP)
- fimc_mask_irq(ctx, false);
-
- spin_unlock_irqrestore(&ctx->lock, flags);
-}
-
-static int fimc_dst_set_addr(struct device *dev,
- struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_property *property;
- struct drm_exynos_ipp_config *config;
-
- if (!c_node) {
- DRM_ERROR("failed to get c_node.\n");
- return -EINVAL;
- }
-
- property = &c_node->property;
-
- DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
- property->prop_id, buf_id, buf_type);
-
- if (buf_id > FIMC_MAX_DST) {
- dev_info(ippdrv->dev, "invalid buf_id %d.\n", buf_id);
- return -ENOMEM;
- }
-
- /* address register set */
- switch (buf_type) {
- case IPP_BUF_ENQUEUE:
- config = &property->config[EXYNOS_DRM_OPS_DST];
-
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_Y],
- EXYNOS_CIOYSA(buf_id));
-
- if (config->fmt == DRM_FORMAT_YVU420) {
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CR],
- EXYNOS_CIOCBSA(buf_id));
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CB],
- EXYNOS_CIOCRSA(buf_id));
- } else {
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CB],
- EXYNOS_CIOCBSA(buf_id));
- fimc_write(ctx, buf_info->base[EXYNOS_DRM_PLANAR_CR],
- EXYNOS_CIOCRSA(buf_id));
- }
- break;
- case IPP_BUF_DEQUEUE:
- fimc_write(ctx, 0x0, EXYNOS_CIOYSA(buf_id));
- fimc_write(ctx, 0x0, EXYNOS_CIOCBSA(buf_id));
- fimc_write(ctx, 0x0, EXYNOS_CIOCRSA(buf_id));
- break;
- default:
- /* bypass */
- break;
- }
-
- fimc_dst_set_buf_seq(ctx, buf_id, buf_type);
-
- return 0;
-}
-
-static struct exynos_drm_ipp_ops fimc_dst_ops = {
- .set_fmt = fimc_dst_set_fmt,
- .set_transf = fimc_dst_set_transf,
- .set_size = fimc_dst_set_size,
- .set_addr = fimc_dst_set_addr,
-};
-
-static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
-{
- struct fimc_context *ctx = dev_id;
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_event_work *event_work =
- c_node->event_work;
- 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);
-
- fimc_dst_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE);
-
- event_work->ippdrv = ippdrv;
- event_work->buf_id[EXYNOS_DRM_OPS_DST] = buf_id;
- queue_work(ippdrv->event_workq, &event_work->work);
-
- return IRQ_HANDLED;
-}
-
-static int fimc_init_prop_list(struct exynos_drm_ippdrv *ippdrv)
-{
- struct drm_exynos_ipp_prop_list *prop_list = &ippdrv->prop_list;
-
- prop_list->version = 1;
- prop_list->writeback = 1;
- prop_list->refresh_min = FIMC_REFRESH_MIN;
- prop_list->refresh_max = FIMC_REFRESH_MAX;
- prop_list->flip = (1 << EXYNOS_DRM_FLIP_NONE) |
- (1 << EXYNOS_DRM_FLIP_VERTICAL) |
- (1 << EXYNOS_DRM_FLIP_HORIZONTAL);
- prop_list->degree = (1 << EXYNOS_DRM_DEGREE_0) |
- (1 << EXYNOS_DRM_DEGREE_90) |
- (1 << EXYNOS_DRM_DEGREE_180) |
- (1 << EXYNOS_DRM_DEGREE_270);
- prop_list->csc = 1;
- prop_list->crop = 1;
- prop_list->crop_max.hsize = FIMC_CROP_MAX;
- prop_list->crop_max.vsize = FIMC_CROP_MAX;
- prop_list->crop_min.hsize = FIMC_CROP_MIN;
- prop_list->crop_min.vsize = FIMC_CROP_MIN;
- prop_list->scale = 1;
- prop_list->scale_max.hsize = FIMC_SCALE_MAX;
- prop_list->scale_max.vsize = FIMC_SCALE_MAX;
- prop_list->scale_min.hsize = FIMC_SCALE_MIN;
- prop_list->scale_min.vsize = FIMC_SCALE_MIN;
-
- return 0;
-}
-
-static inline bool fimc_check_drm_flip(enum drm_exynos_flip flip)
-{
- switch (flip) {
- case EXYNOS_DRM_FLIP_NONE:
- case EXYNOS_DRM_FLIP_VERTICAL:
- case EXYNOS_DRM_FLIP_HORIZONTAL:
- case EXYNOS_DRM_FLIP_BOTH:
- return true;
- default:
- DRM_DEBUG_KMS("invalid flip\n");
- return false;
- }
-}
-
-static int fimc_ippdrv_check_property(struct device *dev,
- struct drm_exynos_ipp_property *property)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_prop_list *pp = &ippdrv->prop_list;
- struct drm_exynos_ipp_config *config;
- struct drm_exynos_pos *pos;
- struct drm_exynos_sz *sz;
- bool swap;
- int i;
-
- for_each_ipp_ops(i) {
- if ((i == EXYNOS_DRM_OPS_SRC) &&
- (property->cmd == IPP_CMD_WB))
- continue;
-
- config = &property->config[i];
- pos = &config->pos;
- sz = &config->sz;
-
- /* check for flip */
- if (!fimc_check_drm_flip(config->flip)) {
- DRM_ERROR("invalid flip.\n");
- goto err_property;
- }
-
- /* check for degree */
- switch (config->degree) {
- case EXYNOS_DRM_DEGREE_90:
- case EXYNOS_DRM_DEGREE_270:
- swap = true;
- break;
- case EXYNOS_DRM_DEGREE_0:
- case EXYNOS_DRM_DEGREE_180:
- swap = false;
- break;
- default:
- DRM_ERROR("invalid degree.\n");
- goto err_property;
- }
-
- /* check for buffer bound */
- if ((pos->x + pos->w > sz->hsize) ||
- (pos->y + pos->h > sz->vsize)) {
- DRM_ERROR("out of buf bound.\n");
- goto err_property;
- }
-
- /* check for crop */
- if ((i == EXYNOS_DRM_OPS_SRC) && (pp->crop)) {
- if (swap) {
- if ((pos->h < pp->crop_min.hsize) ||
- (sz->vsize > pp->crop_max.hsize) ||
- (pos->w < pp->crop_min.vsize) ||
- (sz->hsize > pp->crop_max.vsize)) {
- DRM_ERROR("out of crop size.\n");
- goto err_property;
- }
- } else {
- if ((pos->w < pp->crop_min.hsize) ||
- (sz->hsize > pp->crop_max.hsize) ||
- (pos->h < pp->crop_min.vsize) ||
- (sz->vsize > pp->crop_max.vsize)) {
- DRM_ERROR("out of crop size.\n");
- goto err_property;
- }
- }
- }
-
- /* check for scale */
- if ((i == EXYNOS_DRM_OPS_DST) && (pp->scale)) {
- if (swap) {
- if ((pos->h < pp->scale_min.hsize) ||
- (sz->vsize > pp->scale_max.hsize) ||
- (pos->w < pp->scale_min.vsize) ||
- (sz->hsize > pp->scale_max.vsize)) {
- DRM_ERROR("out of scale size.\n");
- goto err_property;
- }
- } else {
- if ((pos->w < pp->scale_min.hsize) ||
- (sz->hsize > pp->scale_max.hsize) ||
- (pos->h < pp->scale_min.vsize) ||
- (sz->vsize > pp->scale_max.vsize)) {
- DRM_ERROR("out of scale size.\n");
- goto err_property;
- }
- }
- }
- }
-
- return 0;
-
-err_property:
- for_each_ipp_ops(i) {
- if ((i == EXYNOS_DRM_OPS_SRC) &&
- (property->cmd == IPP_CMD_WB))
- continue;
-
- config = &property->config[i];
- pos = &config->pos;
- sz = &config->sz;
-
- DRM_ERROR("[%s]f[%d]r[%d]pos[%d %d %d %d]sz[%d %d]\n",
- i ? "dst" : "src", config->flip, config->degree,
- pos->x, pos->y, pos->w, pos->h,
- sz->hsize, sz->vsize);
- }
-
- return -EINVAL;
-}
-
-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 int fimc_ippdrv_reset(struct device *dev)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
-
- /* reset h/w block */
- fimc_sw_reset(ctx);
-
- /* reset scaler capability */
- memset(&ctx->sc, 0x0, sizeof(ctx->sc));
-
- fimc_clear_addr(ctx);
-
- return 0;
-}
-
-static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_property *property;
- struct drm_exynos_ipp_config *config;
- struct drm_exynos_pos img_pos[EXYNOS_DRM_OPS_MAX];
- struct drm_exynos_ipp_set_wb set_wb;
- int ret, i;
- u32 cfg0, cfg1;
-
- DRM_DEBUG_KMS("cmd[%d]\n", cmd);
-
- if (!c_node) {
- DRM_ERROR("failed to get c_node.\n");
- return -EINVAL;
- }
-
- property = &c_node->property;
-
- fimc_mask_irq(ctx, true);
-
- for_each_ipp_ops(i) {
- config = &property->config[i];
- img_pos[i] = config->pos;
- }
-
- ret = fimc_set_prescaler(ctx, &ctx->sc,
- &img_pos[EXYNOS_DRM_OPS_SRC],
- &img_pos[EXYNOS_DRM_OPS_DST]);
- if (ret) {
- dev_err(dev, "failed to set prescaler.\n");
- return ret;
- }
-
- /* If set ture, we can save jpeg about screen */
- fimc_handle_jpeg(ctx, false);
- fimc_set_scaler(ctx, &ctx->sc);
-
- switch (cmd) {
- case IPP_CMD_M2M:
- fimc_set_type_ctrl(ctx, FIMC_WB_NONE);
- 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);
- break;
- case IPP_CMD_WB:
- fimc_set_type_ctrl(ctx, FIMC_WB_A);
- fimc_handle_lastend(ctx, true);
-
- /* setup FIMD */
- ret = fimc_set_camblk_fimd0_wb(ctx);
- if (ret < 0) {
- dev_err(dev, "camblk setup failed.\n");
- return ret;
- }
-
- set_wb.enable = 1;
- set_wb.refresh = property->refresh_rate;
- exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
- break;
- case IPP_CMD_OUTPUT:
- default:
- ret = -EINVAL;
- dev_err(dev, "invalid operations.\n");
- return ret;
- }
-
- /* 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);
-
- if (cmd == IPP_CMD_M2M)
- fimc_set_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
-
- return 0;
-}
-
-static void fimc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
- struct drm_exynos_ipp_set_wb set_wb = {0, 0};
- u32 cfg;
-
- DRM_DEBUG_KMS("cmd[%d]\n", cmd);
-
- switch (cmd) {
- case IPP_CMD_M2M:
- /* Source clear */
- cfg = fimc_read(ctx, EXYNOS_MSCTRL);
- cfg &= ~EXYNOS_MSCTRL_INPUT_MASK;
- cfg &= ~EXYNOS_MSCTRL_ENVID;
- fimc_write(ctx, cfg, EXYNOS_MSCTRL);
- break;
- case IPP_CMD_WB:
- exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
- break;
- case IPP_CMD_OUTPUT:
- default:
- dev_err(dev, "invalid operations.\n");
- break;
- }
-
- 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 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->ippdrv.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])) {
- if (i >= FIMC_CLK_MUX)
- break;
- ret = PTR_ERR(ctx->clocks[i]);
- dev_err(fimc_dev, "failed to get clock: %s\n",
- fimc_clock_names[i]);
- goto e_clk_free;
- }
- }
-
- /* Optional FIMC LCLK parent clock setting */
- if (!IS_ERR(ctx->clocks[FIMC_CLK_PARENT])) {
- ret = clk_set_parent(ctx->clocks[FIMC_CLK_MUX],
- ctx->clocks[FIMC_CLK_PARENT]);
- if (ret < 0) {
- dev_err(fimc_dev, "failed to set parent.\n");
- goto e_clk_free;
- }
- }
-
- ret = clk_set_rate(ctx->clocks[FIMC_CLK_LCLK], ctx->clk_frequency);
- if (ret < 0)
- 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;
-}
-
-static int fimc_parse_dt(struct fimc_context *ctx)
-{
- struct device_node *node = ctx->ippdrv.dev->of_node;
-
- /* Handle only devices that support the LCD Writeback data path */
- if (!of_property_read_bool(node, "samsung,lcd-wb"))
- return -ENODEV;
-
- if (of_property_read_u32(node, "clock-frequency",
- &ctx->clk_frequency))
- ctx->clk_frequency = FIMC_DEFAULT_LCLK_FREQUENCY;
-
- ctx->id = of_alias_get_id(node, "fimc");
-
- if (ctx->id < 0) {
- dev_err(ctx->ippdrv.dev, "failed to get node alias id.\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int fimc_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct fimc_context *ctx;
- struct resource *res;
- struct exynos_drm_ippdrv *ippdrv;
- int ret;
-
- if (!dev->of_node) {
- dev_err(dev, "device tree node not found.\n");
- return -ENODEV;
- }
-
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
-
- ctx->ippdrv.dev = dev;
-
- ret = fimc_parse_dt(ctx);
- if (ret < 0)
- return ret;
-
- ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
- "samsung,sysreg");
- if (IS_ERR(ctx->sysreg)) {
- dev_err(dev, "syscon regmap lookup failed.\n");
- return PTR_ERR(ctx->sysreg);
- }
-
- /* 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;
- }
-
- ctx->irq = res->start;
- ret = devm_request_threaded_irq(dev, ctx->irq, NULL, fimc_irq_handler,
- IRQF_ONESHOT, "drm_fimc", ctx);
- if (ret < 0) {
- dev_err(dev, "failed to request irq.\n");
- return ret;
- }
-
- ret = fimc_setup_clocks(ctx);
- if (ret < 0)
- return ret;
-
- ippdrv = &ctx->ippdrv;
- ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &fimc_src_ops;
- ippdrv->ops[EXYNOS_DRM_OPS_DST] = &fimc_dst_ops;
- ippdrv->check_property = fimc_ippdrv_check_property;
- ippdrv->reset = fimc_ippdrv_reset;
- ippdrv->start = fimc_ippdrv_start;
- ippdrv->stop = fimc_ippdrv_stop;
- ret = fimc_init_prop_list(ippdrv);
- if (ret < 0) {
- dev_err(dev, "failed to init property list.\n");
- goto err_put_clk;
- }
-
- DRM_DEBUG_KMS("id[%d]ippdrv[%pK]\n", ctx->id, ippdrv);
-
- spin_lock_init(&ctx->lock);
- platform_set_drvdata(pdev, ctx);
-
- pm_runtime_enable(dev);
-
- ret = exynos_drm_ippdrv_register(ippdrv);
- if (ret < 0) {
- dev_err(dev, "failed to register drm fimc device.\n");
- goto err_pm_dis;
- }
-
- dev_info(dev, "drm fimc registered successfully.\n");
-
- return 0;
-
-err_pm_dis:
- pm_runtime_disable(dev);
-err_put_clk:
- 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);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
-
- exynos_drm_ippdrv_unregister(ippdrv);
-
- fimc_put_clocks(ctx);
- pm_runtime_set_suspended(dev);
- pm_runtime_disable(dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
-{
- DRM_DEBUG_KMS("enable[%d]\n", enable);
-
- if (enable) {
- clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
- clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
- ctx->suspended = false;
- } else {
- clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
- clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
- ctx->suspended = true;
- }
-
- return 0;
-}
-
-static int fimc_runtime_suspend(struct device *dev)
-{
- struct fimc_context *ctx = get_fimc_context(dev);
-
- DRM_DEBUG_KMS("id[%d]\n", ctx->id);
-
- return fimc_clk_ctrl(ctx, false);
-}
-
-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 fimc_clk_ctrl(ctx, true);
-}
-#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,
- },
-};
-
+/*
+ * Copyright (C) 2012 Samsung Electronics Co.Ltd
+ * Authors:
+ * Eunchul Kim <chulspro.kim@samsung.com>
+ * Jinyoung Jeon <jy0.jeon@samsung.com>
+ * Sangmin Lee <lsmin.lee@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/component.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+#include <linux/clk.h>
+#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/spinlock.h>
+
+#include <drm/drmP.h>
+#include <drm/exynos_drm.h>
+#include "regs-fimc.h"
+#include "exynos_drm_drv.h"
+#include "exynos_drm_iommu.h"
+#include "exynos_drm_ipp.h"
+
+/*
+ * FIMC stands for Fully Interactive Mobile Camera and
+ * supports image scaler/rotator and input/output DMA operations.
+ * input DMA reads image data from the memory.
+ * output DMA writes image data to memory.
+ * FIMC supports image rotation and image effect functions.
+ */
+
+#define FIMC_MAX_DEVS 4
+#define FIMC_MAX_SRC 2
+#define FIMC_MAX_DST 32
+#define FIMC_SHFACTOR 10
+#define FIMC_BUF_STOP 1
+#define FIMC_BUF_START 2
+#define FIMC_WIDTH_ITU_709 1280
+#define FIMC_AUTOSUSPEND_DELAY 2000
+
+static unsigned int fimc_mask = 0xc;
+module_param_named(fimc_devs, fimc_mask, uint, 0644);
+MODULE_PARM_DESC(fimc_devs, "Alias mask for assigning FIMC devices to Exynos DRM");
+
+#define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev))
+
+enum {
+ FIMC_CLK_LCLK,
+ FIMC_CLK_GATE,
+ FIMC_CLK_WB_A,
+ FIMC_CLK_WB_B,
+ FIMC_CLKS_MAX
+};
+
+static const char * const fimc_clock_names[] = {
+ [FIMC_CLK_LCLK] = "sclk_fimc",
+ [FIMC_CLK_GATE] = "fimc",
+ [FIMC_CLK_WB_A] = "pxl_async0",
+ [FIMC_CLK_WB_B] = "pxl_async1",
+};
+
+/*
+ * A structure of scaler.
+ *
+ * @range: narrow, wide.
+ * @bypass: unused scaler path.
+ * @up_h: horizontal scale up.
+ * @up_v: vertical scale up.
+ * @hratio: horizontal ratio.
+ * @vratio: vertical ratio.
+ */
+struct fimc_scaler {
+ bool range;
+ bool bypass;
+ bool up_h;
+ bool up_v;
+ u32 hratio;
+ u32 vratio;
+};
+
+/*
+ * A structure of fimc context.
+ *
+ * @regs_res: register resources.
+ * @regs: memory mapped io registers.
+ * @lock: locking of operations.
+ * @clocks: fimc clocks.
+ * @sc: scaler infomations.
+ * @pol: porarity of writeback.
+ * @id: fimc id.
+ * @irq: irq number.
+ */
+struct fimc_context {
+ struct exynos_drm_ipp ipp;
+ struct drm_device *drm_dev;
+ struct device *dev;
+ struct exynos_drm_ipp_task *task;
+ struct exynos_drm_ipp_formats *formats;
+ unsigned int num_formats;
+
+ struct resource *regs_res;
+ void __iomem *regs;
+ spinlock_t lock;
+ struct clk *clocks[FIMC_CLKS_MAX];
+ struct fimc_scaler sc;
+ int id;
+ int irq;
+};
+
+static u32 fimc_read(struct fimc_context *ctx, u32 reg)
+{
+ return readl(ctx->regs + reg);
+}
+
+static void fimc_write(struct fimc_context *ctx, u32 val, u32 reg)
+{
+ writel(val, ctx->regs + reg);
+}
+
+static void fimc_set_bits(struct fimc_context *ctx, u32 reg, u32 bits)
+{
+ void __iomem *r = ctx->regs + reg;
+
+ writel(readl(r) | bits, r);
+}
+
+static void fimc_clear_bits(struct fimc_context *ctx, u32 reg, u32 bits)
+{
+ void __iomem *r = ctx->regs + reg;
+
+ writel(readl(r) & ~bits, r);
+}
+
+static void fimc_sw_reset(struct fimc_context *ctx)
+{
+ u32 cfg;
+
+ /* stop dma operation */
+ cfg = fimc_read(ctx, EXYNOS_CISTATUS);
+ if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg))
+ fimc_clear_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
+
+ fimc_set_bits(ctx, EXYNOS_CISRCFMT, EXYNOS_CISRCFMT_ITU601_8BIT);
+
+ /* disable image capture */
+ fimc_clear_bits(ctx, EXYNOS_CIIMGCPT,
+ EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
+
+ /* s/w reset */
+ fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
+
+ /* s/w reset complete */
+ fimc_clear_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
+
+ /* reset sequence */
+ fimc_write(ctx, 0x0, EXYNOS_CIFCNTSEQ);
+}
+
+static void fimc_set_type_ctrl(struct fimc_context *ctx)
+{
+ u32 cfg;
+
+ cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
+ cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK |
+ EXYNOS_CIGCTRL_SELCAM_ITU_MASK |
+ EXYNOS_CIGCTRL_SELCAM_MIPI_MASK |
+ EXYNOS_CIGCTRL_SELCAM_FIMC_MASK |
+ EXYNOS_CIGCTRL_SELWB_CAMIF_MASK |
+ EXYNOS_CIGCTRL_SELWRITEBACK_MASK);
+
+ cfg |= (EXYNOS_CIGCTRL_SELCAM_ITU_A |
+ EXYNOS_CIGCTRL_SELWRITEBACK_A |
+ EXYNOS_CIGCTRL_SELCAM_MIPI_A |
+ EXYNOS_CIGCTRL_SELCAM_FIMC_ITU);
+
+ fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
+}
+
+static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
+{
+ u32 cfg;
+
+ DRM_DEBUG_KMS("enable[%d]\n", enable);
+
+ cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
+ if (enable)
+ cfg |= EXYNOS_CIGCTRL_CAM_JPEG;
+ else
+ cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG;
+
+ fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
+}
+
+static void fimc_mask_irq(struct fimc_context *ctx, bool enable)
+{
+ u32 cfg;
+
+ DRM_DEBUG_KMS("enable[%d]\n", enable);
+
+ cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
+ if (enable) {
+ cfg &= ~EXYNOS_CIGCTRL_IRQ_OVFEN;
+ cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE | EXYNOS_CIGCTRL_IRQ_LEVEL;
+ } else
+ cfg &= ~EXYNOS_CIGCTRL_IRQ_ENABLE;
+ fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
+}
+
+static void fimc_clear_irq(struct fimc_context *ctx)
+{
+ fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_CLR);
+}
+
+static bool fimc_check_ovf(struct fimc_context *ctx)
+{
+ u32 status, flag;
+
+ status = fimc_read(ctx, EXYNOS_CISTATUS);
+ flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
+ EXYNOS_CISTATUS_OVFICR;
+
+ DRM_DEBUG_KMS("flag[0x%x]\n", flag);
+
+ if (status & flag) {
+ fimc_set_bits(ctx, EXYNOS_CIWDOFST,
+ EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
+ EXYNOS_CIWDOFST_CLROVFICR);
+
+ dev_err(ctx->dev, "occurred overflow at %d, status 0x%x.\n",
+ ctx->id, status);
+ return true;
+ }
+
+ return false;
+}
+
+static bool fimc_check_frame_end(struct fimc_context *ctx)
+{
+ u32 cfg;
+
+ cfg = fimc_read(ctx, EXYNOS_CISTATUS);
+
+ DRM_DEBUG_KMS("cfg[0x%x]\n", cfg);
+
+ if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
+ return false;
+
+ cfg &= ~(EXYNOS_CISTATUS_FRAMEEND);
+ fimc_write(ctx, cfg, EXYNOS_CISTATUS);
+
+ return true;
+}
+
+static int fimc_get_buf_id(struct fimc_context *ctx)
+{
+ u32 cfg;
+ int frame_cnt, buf_id;
+
+ cfg = fimc_read(ctx, EXYNOS_CISTATUS2);
+ frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg);
+
+ if (frame_cnt == 0)
+ frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg);
+
+ DRM_DEBUG_KMS("present[%d]before[%d]\n",
+ EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg),
+ EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg));
+
+ if (frame_cnt == 0) {
+ DRM_ERROR("failed to get frame count.\n");
+ return -EIO;
+ }
+
+ buf_id = frame_cnt - 1;
+ DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
+
+ return buf_id;
+}
+
+static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
+{
+ u32 cfg;
+
+ DRM_DEBUG_KMS("enable[%d]\n", enable);
+
+ cfg = fimc_read(ctx, EXYNOS_CIOCTRL);
+ if (enable)
+ cfg |= EXYNOS_CIOCTRL_LASTENDEN;
+ else
+ cfg &= ~EXYNOS_CIOCTRL_LASTENDEN;
+
+ fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
+}
+
+static void fimc_src_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_INRGB_FMT_RGB_MASK;
+
+ switch (fmt) {
+ case DRM_FORMAT_RGB565:
+ cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565;
+ fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
+ return;
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_XRGB8888:
+ cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888;
+ fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
+ return;
+ default:
+ /* bypass */
+ break;
+ }
+
+ /* YUV */
+ cfg = fimc_read(ctx, EXYNOS_MSCTRL);
+ cfg &= ~(EXYNOS_MSCTRL_ORDER2P_SHIFT_MASK |
+ EXYNOS_MSCTRL_C_INT_IN_2PLANE |
+ EXYNOS_MSCTRL_ORDER422_YCBYCR);
+
+ switch (fmt) {
+ case DRM_FORMAT_YUYV:
+ cfg |= EXYNOS_MSCTRL_ORDER422_YCBYCR;
+ break;
+ case DRM_FORMAT_YVYU:
+ cfg |= EXYNOS_MSCTRL_ORDER422_YCRYCB;
+ break;
+ case DRM_FORMAT_UYVY:
+ cfg |= EXYNOS_MSCTRL_ORDER422_CBYCRY;
+ break;
+ case DRM_FORMAT_VYUY:
+ case DRM_FORMAT_YUV444:
+ cfg |= EXYNOS_MSCTRL_ORDER422_CRYCBY;
+ break;
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_NV61:
+ cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CRCB |
+ EXYNOS_MSCTRL_C_INT_IN_2PLANE);
+ break;
+ case DRM_FORMAT_YUV422:
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YVU420:
+ cfg |= EXYNOS_MSCTRL_C_INT_IN_3PLANE;
+ break;
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV16:
+ cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR |
+ EXYNOS_MSCTRL_C_INT_IN_2PLANE);
+ break;
+ }
+
+ fimc_write(ctx, cfg, EXYNOS_MSCTRL);
+}
+
+static void fimc_src_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_MSCTRL);
+ cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB;
+
+ switch (fmt) {
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_XRGB8888:
+ cfg |= EXYNOS_MSCTRL_INFORMAT_RGB;
+ break;
+ case DRM_FORMAT_YUV444:
+ cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
+ break;
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_YVYU:
+ case DRM_FORMAT_UYVY:
+ case DRM_FORMAT_VYUY:
+ cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422_1PLANE;
+ break;
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV61:
+ case DRM_FORMAT_YUV422:
+ cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422;
+ break;
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YVU420:
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
+ break;
+ }
+
+ fimc_write(ctx, cfg, EXYNOS_MSCTRL);
+
+ cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
+ cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK;
+
+ if (tiled)
+ cfg |= EXYNOS_CIDMAPARAM_R_MODE_64X32;
+ else
+ cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR;
+
+ fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
+
+ fimc_src_set_fmt_order(ctx, fmt);
+}
+
+static void fimc_src_set_transf(struct fimc_context *ctx, unsigned int rotation)
+{
+ unsigned int degree = rotation & DRM_MODE_ROTATE_MASK;
+ u32 cfg1, cfg2;
+
+ DRM_DEBUG_KMS("rotation[%x]\n", rotation);
+
+ cfg1 = fimc_read(ctx, EXYNOS_MSCTRL);
+ cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
+ EXYNOS_MSCTRL_FLIP_Y_MIRROR);
+
+ cfg2 = fimc_read(ctx, EXYNOS_CITRGFMT);
+ cfg2 &= ~EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
+
+ switch (degree) {
+ case DRM_MODE_ROTATE_0:
+ if (rotation & DRM_MODE_REFLECT_X)
+ cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
+ if (rotation & DRM_MODE_REFLECT_Y)
+ cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
+ break;
+ case DRM_MODE_ROTATE_90:
+ cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
+ if (rotation & DRM_MODE_REFLECT_X)
+ cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
+ if (rotation & DRM_MODE_REFLECT_Y)
+ cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
+ break;
+ case DRM_MODE_ROTATE_180:
+ cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
+ EXYNOS_MSCTRL_FLIP_Y_MIRROR);
+ if (rotation & DRM_MODE_REFLECT_X)
+ cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
+ if (rotation & DRM_MODE_REFLECT_Y)
+ cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
+ break;
+ case DRM_MODE_ROTATE_270:
+ cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
+ EXYNOS_MSCTRL_FLIP_Y_MIRROR);
+ cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
+ if (rotation & DRM_MODE_REFLECT_X)
+ cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
+ if (rotation & DRM_MODE_REFLECT_Y)
+ cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
+ break;
+ }
+
+ fimc_write(ctx, cfg1, EXYNOS_MSCTRL);
+ fimc_write(ctx, cfg2, EXYNOS_CITRGFMT);
+}
+
+static void fimc_set_window(struct fimc_context *ctx,
+ struct exynos_drm_ipp_buffer *buf)
+{
+ u32 cfg, h1, h2, v1, v2;
+
+ /* cropped image */
+ h1 = buf->rect.x;
+ h2 = buf->buf.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,
+ buf->buf.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)
+{
+ u32 cfg;
+
+ DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+
+ /* original size */
+ cfg = (EXYNOS_ORGISIZE_HORIZONTAL(buf->buf.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(buf->buf.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)
+{
+ u32 cfg, cfg_ext;
+
+ DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+
+ /* original size */
+ cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(buf->buf.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)
+{
+ unsigned 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_kzalloc(dev, sizeof(*formats) * num_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,
+ },
+};
deleted file mode 100644
@@ -1,23 +0,0 @@
-/*
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- *
- * Authors:
- * Eunchul Kim <chulspro.kim@samsung.com>
- * Jinyoung Jeon <jy0.jeon@samsung.com>
- * Sangmin Lee <lsmin.lee@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DRM_FIMC_H_
-#define _EXYNOS_DRM_FIMC_H_
-
-/*
- * TODO
- * FIMD output interface notifier callback.
- */
-
-#endif /* _EXYNOS_DRM_FIMC_H_ */
This patch adapts Exynos DRM FIMC driver to new IPP v2 core API. The side effect of this conversion is a switch to driver component API to register properly in the Exynos DRM core. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/gpu/drm/exynos/Kconfig | 2 +- drivers/gpu/drm/exynos/exynos_drm_drv.c | 8 +- drivers/gpu/drm/exynos/exynos_drm_drv.h | 9 + drivers/gpu/drm/exynos/exynos_drm_fimc.c | 3214 ++++++++++------------ drivers/gpu/drm/exynos/exynos_drm_fimc.h | 23 - 5 files changed, 1433 insertions(+), 1823 deletions(-) rewrite drivers/gpu/drm/exynos/exynos_drm_fimc.c (47%) delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_fimc.h