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16102edb49
linux/drivers/gpu/drm/exynos/exynos_drm_fimc.c
Eunchul Kim 16102edb49 drm/exynos: add fimc ipp driver 
FIMC is stand for Fully Interfactive Mobile Camera and
supports image scaler/rotator/crop/flip/csc and input/output DMA operations
and also supports writeback and display output operations.

This driver is registered to IPP subsystem framework to be used by user side
and user can control the FIMC hardware through some interfaces of IPP subsystem
framework.

Changelog v6:
- fix build warning.

Changelog v1 ~ v5:
- add comments, code fixups and cleanups.

Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com>
Signed-off-by: Jinyoung Jeon <jy0.jeon@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-15 02:38:53 +09:00

2002 lines
48 KiB
C
Raw Blame History

/*
* 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/module.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <plat/map-base.h>
#include <drm/drmP.h>
#include <drm/exynos_drm.h>
#include "regs-fimc.h"
#include "exynos_drm_ipp.h"
#include "exynos_drm_fimc.h"
/*
* FIMC is stand 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_REG_SZ 32
#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);
#define fimc_read(offset) readl(ctx->regs + (offset))
#define fimc_write(cfg, offset) writel(cfg, ctx->regs + (offset))
enum fimc_wb {
FIMC_WB_NONE,
FIMC_WB_A,
FIMC_WB_B,
};
/*
* 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 driver data.
*
* @parent_clk: name of parent clock.
*/
struct fimc_driverdata {
char *parent_clk;
};
/*
* A structure of fimc context.
*
* @ippdrv: prepare initialization using ippdrv.
* @regs_res: register resources.
* @regs: memory mapped io registers.
* @lock: locking of operations.
* @sclk_fimc_clk: fimc source clock.
* @fimc_clk: fimc clock.
* @wb_clk: writeback a clock.
* @wb_b_clk: writeback b clock.
* @sc: scaler infomations.
* @odr: ordering of YUV.
* @ver: fimc version.
* @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;
struct mutex lock;
struct clk *sclk_fimc_clk;
struct clk *fimc_clk;
struct clk *wb_clk;
struct clk *wb_b_clk;
struct fimc_scaler sc;
struct fimc_driverdata *ddata;
struct exynos_drm_ipp_pol pol;
int id;
int irq;
bool suspended;
};
static void fimc_sw_reset(struct fimc_context *ctx, bool pattern)
{
u32 cfg;
DRM_DEBUG_KMS("%s:pattern[%d]\n", __func__, pattern);
cfg = fimc_read(EXYNOS_CISRCFMT);
cfg |= EXYNOS_CISRCFMT_ITU601_8BIT;
if (pattern)
cfg |= EXYNOS_CIGCTRL_TESTPATTERN_COLOR_BAR;
fimc_write(cfg, EXYNOS_CISRCFMT);
/* s/w reset */
cfg = fimc_read(EXYNOS_CIGCTRL);
cfg |= (EXYNOS_CIGCTRL_SWRST);
fimc_write(cfg, EXYNOS_CIGCTRL);
/* s/w reset complete */
cfg = fimc_read(EXYNOS_CIGCTRL);
cfg &= ~EXYNOS_CIGCTRL_SWRST;
fimc_write(cfg, EXYNOS_CIGCTRL);
/* reset sequence */
fimc_write(0x0, EXYNOS_CIFCNTSEQ);
}
static void fimc_set_camblk_fimd0_wb(struct fimc_context *ctx)
{
u32 camblk_cfg;
DRM_DEBUG_KMS("%s\n", __func__);
camblk_cfg = readl(SYSREG_CAMERA_BLK);
camblk_cfg &= ~(SYSREG_FIMD0WB_DEST_MASK);
camblk_cfg |= ctx->id << (SYSREG_FIMD0WB_DEST_SHIFT);
writel(camblk_cfg, SYSREG_CAMERA_BLK);
}
static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb)
{
u32 cfg;
DRM_DEBUG_KMS("%s:wb[%d]\n", __func__, wb);
cfg = fimc_read(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(cfg, EXYNOS_CIGCTRL);
}
static void fimc_set_polarity(struct fimc_context *ctx,
struct exynos_drm_ipp_pol *pol)
{
u32 cfg;
DRM_DEBUG_KMS("%s:inv_pclk[%d]inv_vsync[%d]\n",
__func__, pol->inv_pclk, pol->inv_vsync);
DRM_DEBUG_KMS("%s:inv_href[%d]inv_hsync[%d]\n",
__func__, pol->inv_href, pol->inv_hsync);
cfg = fimc_read(EXYNOS_CIGCTRL);
cfg &= ~(EXYNOS_CIGCTRL_INVPOLPCLK | EXYNOS_CIGCTRL_INVPOLVSYNC |
EXYNOS_CIGCTRL_INVPOLHREF | EXYNOS_CIGCTRL_INVPOLHSYNC);
if (pol->inv_pclk)
cfg |= EXYNOS_CIGCTRL_INVPOLPCLK;
if (pol->inv_vsync)
cfg |= EXYNOS_CIGCTRL_INVPOLVSYNC;
if (pol->inv_href)
cfg |= EXYNOS_CIGCTRL_INVPOLHREF;
if (pol->inv_hsync)
cfg |= EXYNOS_CIGCTRL_INVPOLHSYNC;
fimc_write(cfg, EXYNOS_CIGCTRL);
}
static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
{
u32 cfg;
DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
cfg = fimc_read(EXYNOS_CIGCTRL);
if (enable)
cfg |= EXYNOS_CIGCTRL_CAM_JPEG;
else
cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG;
fimc_write(cfg, EXYNOS_CIGCTRL);
}
static void fimc_handle_irq(struct fimc_context *ctx, bool enable,
bool overflow, bool level)
{
u32 cfg;
DRM_DEBUG_KMS("%s:enable[%d]overflow[%d]level[%d]\n", __func__,
enable, overflow, level);
cfg = fimc_read(EXYNOS_CIGCTRL);
if (enable) {
cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_LEVEL);
cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE;
if (overflow)
cfg |= EXYNOS_CIGCTRL_IRQ_OVFEN;
if (level)
cfg |= EXYNOS_CIGCTRL_IRQ_LEVEL;
} else
cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_ENABLE);
fimc_write(cfg, EXYNOS_CIGCTRL);
}
static void fimc_clear_irq(struct fimc_context *ctx)
{
u32 cfg;
DRM_DEBUG_KMS("%s\n", __func__);
cfg = fimc_read(EXYNOS_CIGCTRL);
cfg |= EXYNOS_CIGCTRL_IRQ_CLR;
fimc_write(cfg, EXYNOS_CIGCTRL);
}
static bool fimc_check_ovf(struct fimc_context *ctx)
{
struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
u32 cfg, status, flag;
status = fimc_read(EXYNOS_CISTATUS);
flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
EXYNOS_CISTATUS_OVFICR;
DRM_DEBUG_KMS("%s:flag[0x%x]\n", __func__, flag);
if (status & flag) {
cfg = fimc_read(EXYNOS_CIWDOFST);
cfg |= (EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
EXYNOS_CIWDOFST_CLROVFICR);
fimc_write(cfg, EXYNOS_CIWDOFST);
cfg = fimc_read(EXYNOS_CIWDOFST);
cfg &= ~(EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
EXYNOS_CIWDOFST_CLROVFICR);
fimc_write(cfg, EXYNOS_CIWDOFST);
dev_err(ippdrv->dev, "occured 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(EXYNOS_CISTATUS);
DRM_DEBUG_KMS("%s:cfg[0x%x]\n", __func__, cfg);
if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
return false;
cfg &= ~(EXYNOS_CISTATUS_FRAMEEND);
fimc_write(cfg, EXYNOS_CISTATUS);
return true;
}
static int fimc_get_buf_id(struct fimc_context *ctx)
{
u32 cfg;
int frame_cnt, buf_id;
DRM_DEBUG_KMS("%s\n", __func__);
cfg = fimc_read(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("%s:present[%d]before[%d]\n", __func__,
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("%s:buf_id[%d]\n", __func__, buf_id);
return buf_id;
}
static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
{
u32 cfg;
DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
cfg = fimc_read(EXYNOS_CIOCTRL);
if (enable)
cfg |= EXYNOS_CIOCTRL_LASTENDEN;
else
cfg &= ~EXYNOS_CIOCTRL_LASTENDEN;
fimc_write(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("%s:fmt[0x%x]\n", __func__, fmt);
/* RGB */
cfg = fimc_read(EXYNOS_CISCCTRL);
cfg &= ~EXYNOS_CISCCTRL_INRGB_FMT_RGB_MASK;
switch (fmt) {
case DRM_FORMAT_RGB565:
cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565;
fimc_write(cfg, EXYNOS_CISCCTRL);
return 0;
case DRM_FORMAT_RGB888:
case DRM_FORMAT_XRGB8888:
cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888;
fimc_write(cfg, EXYNOS_CISCCTRL);
return 0;
default:
/* bypass */
break;
}
/* YUV */
cfg = fimc_read(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_NV12MT:
case DRM_FORMAT_NV16:
cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR |
EXYNOS_MSCTRL_C_INT_IN_2PLANE);
break;
default:
dev_err(ippdrv->dev, "inavlid source yuv order 0x%x.\n", fmt);
return -EINVAL;
}
fimc_write(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("%s:fmt[0x%x]\n", __func__, fmt);
cfg = fimc_read(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:
case DRM_FORMAT_NV12MT:
cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
break;
default:
dev_err(ippdrv->dev, "inavlid source format 0x%x.\n", fmt);
return -EINVAL;
}
fimc_write(cfg, EXYNOS_MSCTRL);
cfg = fimc_read(EXYNOS_CIDMAPARAM);
cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK;
if (fmt == DRM_FORMAT_NV12MT)
cfg |= EXYNOS_CIDMAPARAM_R_MODE_64X32;
else
cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR;
fimc_write(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("%s:degree[%d]flip[0x%x]\n", __func__,
degree, flip);
cfg1 = fimc_read(EXYNOS_MSCTRL);
cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
EXYNOS_MSCTRL_FLIP_Y_MIRROR);
cfg2 = fimc_read(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, "inavlid degree value %d.\n", degree);
return -EINVAL;
}
fimc_write(cfg1, EXYNOS_MSCTRL);
fimc_write(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("%s:x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
__func__, pos->x, pos->y, pos->w, pos->h, sz->hsize, sz->vsize);
DRM_DEBUG_KMS("%s:h1[%d]h2[%d]v1[%d]v2[%d]\n", __func__,
h1, h2, v1, v2);
/*
* set window offset 1, 2 size
* check figure 43-21 in user manual
*/
cfg = fimc_read(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(cfg, EXYNOS_CIWDOFST);
cfg = (EXYNOS_CIWDOFST2_WINHOROFST2(h2) |
EXYNOS_CIWDOFST2_WINVEROFST2(v2));
fimc_write(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("%s:swap[%d]hsize[%d]vsize[%d]\n",
__func__, swap, sz->hsize, sz->vsize);
/* original size */
cfg = (EXYNOS_ORGISIZE_HORIZONTAL(img_sz.hsize) |
EXYNOS_ORGISIZE_VERTICAL(img_sz.vsize));
fimc_write(cfg, EXYNOS_ORGISIZE);
DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]\n", __func__,
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(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(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(cfg, EXYNOS_CISRCFMT);
/* offset Y(RGB), Cb, Cr */
cfg = (EXYNOS_CIIYOFF_HORIZONTAL(img_pos.x) |
EXYNOS_CIIYOFF_VERTICAL(img_pos.y));
fimc_write(cfg, EXYNOS_CIIYOFF);
cfg = (EXYNOS_CIICBOFF_HORIZONTAL(img_pos.x) |
EXYNOS_CIICBOFF_VERTICAL(img_pos.y));
fimc_write(cfg, EXYNOS_CIICBOFF);
cfg = (EXYNOS_CIICROFF_HORIZONTAL(img_pos.x) |
EXYNOS_CIICROFF_VERTICAL(img_pos.y));
fimc_write(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->cmd;
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;
if (!property) {
DRM_ERROR("failed to get property.\n");
return -EINVAL;
}
DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
property->prop_id, buf_id, buf_type);
if (buf_id > FIMC_MAX_SRC) {
dev_info(ippdrv->dev, "inavlid 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(buf_info->base[EXYNOS_DRM_PLANAR_Y],
EXYNOS_CIIYSA(buf_id));
if (config->fmt == DRM_FORMAT_YVU420) {
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
EXYNOS_CIICBSA(buf_id));
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
EXYNOS_CIICRSA(buf_id));
} else {
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
EXYNOS_CIICBSA(buf_id));
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
EXYNOS_CIICRSA(buf_id));
}
break;
case IPP_BUF_DEQUEUE:
fimc_write(0x0, EXYNOS_CIIYSA(buf_id));
fimc_write(0x0, EXYNOS_CIICBSA(buf_id));
fimc_write(0x0, EXYNOS_CIICRSA(buf_id));
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("%s:fmt[0x%x]\n", __func__, fmt);
/* RGB */
cfg = fimc_read(EXYNOS_CISCCTRL);
cfg &= ~EXYNOS_CISCCTRL_OUTRGB_FMT_RGB_MASK;
switch (fmt) {
case DRM_FORMAT_RGB565:
cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB565;
fimc_write(cfg, EXYNOS_CISCCTRL);
return 0;
case DRM_FORMAT_RGB888:
cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888;
fimc_write(cfg, EXYNOS_CISCCTRL);
return 0;
case DRM_FORMAT_XRGB8888:
cfg |= (EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888 |
EXYNOS_CISCCTRL_EXTRGB_EXTENSION);
fimc_write(cfg, EXYNOS_CISCCTRL);
break;
default:
/* bypass */
break;
}
/* YUV */
cfg = fimc_read(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_NV12MT:
case DRM_FORMAT_NV16:
cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CBCR;
cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
break;
default:
dev_err(ippdrv->dev, "inavlid target yuv order 0x%x.\n", fmt);
return -EINVAL;
}
fimc_write(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("%s:fmt[0x%x]\n", __func__, fmt);
cfg = fimc_read(EXYNOS_CIEXTEN);
if (fmt == DRM_FORMAT_AYUV) {
cfg |= EXYNOS_CIEXTEN_YUV444_OUT;
fimc_write(cfg, EXYNOS_CIEXTEN);
} else {
cfg &= ~EXYNOS_CIEXTEN_YUV444_OUT;
fimc_write(cfg, EXYNOS_CIEXTEN);
cfg = fimc_read(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_NV12MT:
case DRM_FORMAT_NV21:
cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR420;
break;
default:
dev_err(ippdrv->dev, "inavlid target format 0x%x.\n",
fmt);
return -EINVAL;
}
fimc_write(cfg, EXYNOS_CITRGFMT);
}
cfg = fimc_read(EXYNOS_CIDMAPARAM);
cfg &= ~EXYNOS_CIDMAPARAM_W_MODE_MASK;
if (fmt == DRM_FORMAT_NV12MT)
cfg |= EXYNOS_CIDMAPARAM_W_MODE_64X32;
else
cfg |= EXYNOS_CIDMAPARAM_W_MODE_LINEAR;
fimc_write(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("%s:degree[%d]flip[0x%x]\n", __func__,
degree, flip);
cfg = fimc_read(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, "inavlid degree value %d.\n", degree);
return -EINVAL;
}
fimc_write(cfg, EXYNOS_CITRGFMT);
*swap = (cfg & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) ? 1 : 0;
return 0;
}
static int fimc_get_ratio_shift(u32 src, u32 dst, u32 *ratio, u32 *shift)
{
DRM_DEBUG_KMS("%s:src[%d]dst[%d]\n", __func__, src, dst);
if (src >= dst * 64) {
DRM_ERROR("failed to make ratio and shift.\n");
return -EINVAL;
} else if (src >= dst * 32) {
*ratio = 32;
*shift = 5;
} else if (src >= dst * 16) {
*ratio = 16;
*shift = 4;
} else if (src >= dst * 8) {
*ratio = 8;
*shift = 3;
} else if (src >= dst * 4) {
*ratio = 4;
*shift = 2;
} else if (src >= dst * 2) {
*ratio = 2;
*shift = 1;
} else {
*ratio = 1;
*shift = 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 pre_hratio, hfactor, pre_vratio, vfactor;
int ret = 0;
u32 src_w, src_h, dst_w, dst_h;
cfg_ext = fimc_read(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;
}
ret = fimc_get_ratio_shift(src_w, dst_w, &pre_hratio, &hfactor);
if (ret) {
dev_err(ippdrv->dev, "failed to get ratio horizontal.\n");
return ret;
}
ret = fimc_get_ratio_shift(src_h, dst_h, &pre_vratio, &vfactor);
if (ret) {
dev_err(ippdrv->dev, "failed to get ratio vertical.\n");
return ret;
}
pre_dst_width = src_w / pre_hratio;
pre_dst_height = src_h / pre_vratio;
DRM_DEBUG_KMS("%s:pre_dst_width[%d]pre_dst_height[%d]\n", __func__,
pre_dst_width, pre_dst_height);
DRM_DEBUG_KMS("%s:pre_hratio[%d]hfactor[%d]pre_vratio[%d]vfactor[%d]\n",
__func__, pre_hratio, hfactor, pre_vratio, 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("%s:hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n",
__func__, sc->hratio, sc->vratio, sc->up_h, sc->up_v);
shfactor = FIMC_SHFACTOR - (hfactor + vfactor);
DRM_DEBUG_KMS("%s:shfactor[%d]\n", __func__, shfactor);
cfg = (EXYNOS_CISCPRERATIO_SHFACTOR(shfactor) |
EXYNOS_CISCPRERATIO_PREHORRATIO(pre_hratio) |
EXYNOS_CISCPRERATIO_PREVERRATIO(pre_vratio));
fimc_write(cfg, EXYNOS_CISCPRERATIO);
cfg = (EXYNOS_CISCPREDST_PREDSTWIDTH(pre_dst_width) |
EXYNOS_CISCPREDST_PREDSTHEIGHT(pre_dst_height));
fimc_write(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("%s:range[%d]bypass[%d]up_h[%d]up_v[%d]\n",
__func__, sc->range, sc->bypass, sc->up_h, sc->up_v);
DRM_DEBUG_KMS("%s:hratio[%d]vratio[%d]\n",
__func__, sc->hratio, sc->vratio);
cfg = fimc_read(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(cfg, EXYNOS_CISCCTRL);
cfg_ext = fimc_read(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(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("%s:swap[%d]hsize[%d]vsize[%d]\n",
__func__, swap, sz->hsize, sz->vsize);
/* original size */
cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(img_sz.hsize) |
EXYNOS_ORGOSIZE_VERTICAL(img_sz.vsize));
fimc_write(cfg, EXYNOS_ORGOSIZE);
DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]\n",
__func__, pos->x, pos->y, pos->w, pos->h);
/* CSC ITU */
cfg = fimc_read(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(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(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(cfg, EXYNOS_CITRGFMT);
/* target area */
cfg = EXYNOS_CITAREA_TARGET_AREA(img_pos.w * img_pos.h);
fimc_write(cfg, EXYNOS_CITAREA);
/* offset Y(RGB), Cb, Cr */
cfg = (EXYNOS_CIOYOFF_HORIZONTAL(img_pos.x) |
EXYNOS_CIOYOFF_VERTICAL(img_pos.y));
fimc_write(cfg, EXYNOS_CIOYOFF);
cfg = (EXYNOS_CIOCBOFF_HORIZONTAL(img_pos.x) |
EXYNOS_CIOCBOFF_VERTICAL(img_pos.y));
fimc_write(cfg, EXYNOS_CIOCBOFF);
cfg = (EXYNOS_CIOCROFF_HORIZONTAL(img_pos.x) |
EXYNOS_CIOCROFF_VERTICAL(img_pos.y));
fimc_write(cfg, EXYNOS_CIOCROFF);
return 0;
}
static int fimc_dst_get_buf_seq(struct fimc_context *ctx)
{
u32 cfg, i, buf_num = 0;
u32 mask = 0x00000001;
cfg = fimc_read(EXYNOS_CIFCNTSEQ);
for (i = 0; i < FIMC_REG_SZ; i++)
if (cfg & (mask << i))
buf_num++;
DRM_DEBUG_KMS("%s:buf_num[%d]\n", __func__, buf_num);
return buf_num;
}
static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
enum drm_exynos_ipp_buf_type buf_type)
{
struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
bool enable;
u32 cfg;
u32 mask = 0x00000001 << buf_id;
int ret = 0;
DRM_DEBUG_KMS("%s:buf_id[%d]buf_type[%d]\n", __func__,
buf_id, buf_type);
mutex_lock(&ctx->lock);
/* mask register set */
cfg = fimc_read(EXYNOS_CIFCNTSEQ);
switch (buf_type) {
case IPP_BUF_ENQUEUE:
enable = true;
break;
case IPP_BUF_DEQUEUE:
enable = false;
break;
default:
dev_err(ippdrv->dev, "invalid buf ctrl parameter.\n");
ret = -EINVAL;
goto err_unlock;
}
/* sequence id */
cfg &= (~mask);
cfg |= (enable << buf_id);
fimc_write(cfg, EXYNOS_CIFCNTSEQ);
/* interrupt enable */
if (buf_type == IPP_BUF_ENQUEUE &&
fimc_dst_get_buf_seq(ctx) >= FIMC_BUF_START)
fimc_handle_irq(ctx, true, false, true);
/* interrupt disable */
if (buf_type == IPP_BUF_DEQUEUE &&
fimc_dst_get_buf_seq(ctx) <= FIMC_BUF_STOP)
fimc_handle_irq(ctx, false, false, true);
err_unlock:
mutex_unlock(&ctx->lock);
return ret;
}
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->cmd;
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;
if (!property) {
DRM_ERROR("failed to get property.\n");
return -EINVAL;
}
DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
property->prop_id, buf_id, buf_type);
if (buf_id > FIMC_MAX_DST) {
dev_info(ippdrv->dev, "inavlid 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(buf_info->base[EXYNOS_DRM_PLANAR_Y],
EXYNOS_CIOYSA(buf_id));
if (config->fmt == DRM_FORMAT_YVU420) {
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
EXYNOS_CIOCBSA(buf_id));
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
EXYNOS_CIOCRSA(buf_id));
} else {
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
EXYNOS_CIOCBSA(buf_id));
fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
EXYNOS_CIOCRSA(buf_id));
}
break;
case IPP_BUF_DEQUEUE:
fimc_write(0x0, EXYNOS_CIOYSA(buf_id));
fimc_write(0x0, EXYNOS_CIOCBSA(buf_id));
fimc_write(0x0, EXYNOS_CIOCRSA(buf_id));
break;
default:
/* bypass */
break;
}
return fimc_dst_set_buf_seq(ctx, buf_id, buf_type);
}
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 int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
{
DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
if (enable) {
clk_enable(ctx->sclk_fimc_clk);
clk_enable(ctx->fimc_clk);
clk_enable(ctx->wb_clk);
ctx->suspended = false;
} else {
clk_disable(ctx->sclk_fimc_clk);
clk_disable(ctx->fimc_clk);
clk_disable(ctx->wb_clk);
ctx->suspended = true;
}
return 0;
}
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->cmd;
struct drm_exynos_ipp_event_work *event_work =
c_node->event_work;
int buf_id;
DRM_DEBUG_KMS("%s:fimc id[%d]\n", __func__, 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("%s:buf_id[%d]\n", __func__, buf_id);
if (fimc_dst_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE) < 0) {
DRM_ERROR("failed to dequeue.\n");
return IRQ_HANDLED;
}
event_work->ippdrv = ippdrv;
event_work->buf_id[EXYNOS_DRM_OPS_DST] = buf_id;
queue_work(ippdrv->event_workq, (struct work_struct *)event_work);
return IRQ_HANDLED;
}
static int fimc_init_prop_list(struct exynos_drm_ippdrv *ippdrv)
{
struct drm_exynos_ipp_prop_list *prop_list;
DRM_DEBUG_KMS("%s\n", __func__);
prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL);
if (!prop_list) {
DRM_ERROR("failed to alloc property list.\n");
return -ENOMEM;
}
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;
ippdrv->prop_list = prop_list;
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:
return true;
default:
DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
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;
DRM_DEBUG_KMS("%s\n", __func__);
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;
DRM_DEBUG_KMS("%s:\n", __func__);
for (i = 0; i < FIMC_MAX_SRC; i++) {
fimc_write(0, EXYNOS_CIIYSA(i));
fimc_write(0, EXYNOS_CIICBSA(i));
fimc_write(0, EXYNOS_CIICRSA(i));
}
for (i = 0; i < FIMC_MAX_DST; i++) {
fimc_write(0, EXYNOS_CIOYSA(i));
fimc_write(0, EXYNOS_CIOCBSA(i));
fimc_write(0, EXYNOS_CIOCRSA(i));
}
}
static int fimc_ippdrv_reset(struct device *dev)
{
struct fimc_context *ctx = get_fimc_context(dev);
DRM_DEBUG_KMS("%s\n", __func__);
/* reset h/w block */
fimc_sw_reset(ctx, false);
/* 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->cmd;
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("%s:cmd[%d]\n", __func__, cmd);
if (!c_node) {
DRM_ERROR("failed to get c_node.\n");
return -EINVAL;
}
property = &c_node->property;
if (!property) {
DRM_ERROR("failed to get property.\n");
return -EINVAL;
}
fimc_handle_irq(ctx, true, false, 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 precalser.\n");
return ret;
}
/* If set ture, we can save jpeg about screen */
fimc_handle_jpeg(ctx, false);
fimc_set_scaler(ctx, &ctx->sc);
fimc_set_polarity(ctx, &ctx->pol);
switch (cmd) {
case IPP_CMD_M2M:
fimc_set_type_ctrl(ctx, FIMC_WB_NONE);
fimc_handle_lastend(ctx, false);
/* setup dma */
cfg0 = fimc_read(EXYNOS_MSCTRL);
cfg0 &= ~EXYNOS_MSCTRL_INPUT_MASK;
cfg0 |= EXYNOS_MSCTRL_INPUT_MEMORY;
fimc_write(cfg0, EXYNOS_MSCTRL);
break;
case IPP_CMD_WB:
fimc_set_type_ctrl(ctx, FIMC_WB_A);
fimc_handle_lastend(ctx, true);
/* setup FIMD */
fimc_set_camblk_fimd0_wb(ctx);
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(0x0, EXYNOS_CISTATUS);
cfg0 = fimc_read(EXYNOS_CIIMGCPT);
cfg0 &= ~EXYNOS_CIIMGCPT_IMGCPTEN_SC;
cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN_SC;
/* Scaler */
cfg1 = fimc_read(EXYNOS_CISCCTRL);
cfg1 &= ~EXYNOS_CISCCTRL_SCAN_MASK;
cfg1 |= (EXYNOS_CISCCTRL_PROGRESSIVE |
EXYNOS_CISCCTRL_SCALERSTART);
fimc_write(cfg1, EXYNOS_CISCCTRL);
/* Enable image capture*/
cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN;
fimc_write(cfg0, EXYNOS_CIIMGCPT);
/* Disable frame end irq */
cfg0 = fimc_read(EXYNOS_CIGCTRL);
cfg0 &= ~EXYNOS_CIGCTRL_IRQ_END_DISABLE;
fimc_write(cfg0, EXYNOS_CIGCTRL);
cfg0 = fimc_read(EXYNOS_CIOCTRL);
cfg0 &= ~EXYNOS_CIOCTRL_WEAVE_MASK;
fimc_write(cfg0, EXYNOS_CIOCTRL);
if (cmd == IPP_CMD_M2M) {
cfg0 = fimc_read(EXYNOS_MSCTRL);
cfg0 |= EXYNOS_MSCTRL_ENVID;
fimc_write(cfg0, EXYNOS_MSCTRL);
cfg0 = fimc_read(EXYNOS_MSCTRL);
cfg0 |= EXYNOS_MSCTRL_ENVID;
fimc_write(cfg0, EXYNOS_MSCTRL);
}
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("%s:cmd[%d]\n", __func__, cmd);
switch (cmd) {
case IPP_CMD_M2M:
/* Source clear */
cfg = fimc_read(EXYNOS_MSCTRL);
cfg &= ~EXYNOS_MSCTRL_INPUT_MASK;
cfg &= ~EXYNOS_MSCTRL_ENVID;
fimc_write(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_handle_irq(ctx, false, false, true);
/* reset sequence */
fimc_write(0x0, EXYNOS_CIFCNTSEQ);
/* Scaler disable */
cfg = fimc_read(EXYNOS_CISCCTRL);
cfg &= ~EXYNOS_CISCCTRL_SCALERSTART;
fimc_write(cfg, EXYNOS_CISCCTRL);
/* Disable image capture */
cfg = fimc_read(EXYNOS_CIIMGCPT);
cfg &= ~(EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
fimc_write(cfg, EXYNOS_CIIMGCPT);
/* Enable frame end irq */
cfg = fimc_read(EXYNOS_CIGCTRL);
cfg |= EXYNOS_CIGCTRL_IRQ_END_DISABLE;
fimc_write(cfg, EXYNOS_CIGCTRL);
}
static int __devinit fimc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimc_context *ctx;
struct clk *parent_clk;
struct resource *res;
struct exynos_drm_ippdrv *ippdrv;
struct exynos_drm_fimc_pdata *pdata;
struct fimc_driverdata *ddata;
int ret;
pdata = pdev->dev.platform_data;
if (!pdata) {
dev_err(dev, "no platform data specified.\n");
return -EINVAL;
}
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ddata = (struct fimc_driverdata *)
platform_get_device_id(pdev)->driver_data;
/* clock control */
ctx->sclk_fimc_clk = clk_get(dev, "sclk_fimc");
if (IS_ERR(ctx->sclk_fimc_clk)) {
dev_err(dev, "failed to get src fimc clock.\n");
ret = PTR_ERR(ctx->sclk_fimc_clk);
goto err_ctx;
}
clk_enable(ctx->sclk_fimc_clk);
ctx->fimc_clk = clk_get(dev, "fimc");
if (IS_ERR(ctx->fimc_clk)) {
dev_err(dev, "failed to get fimc clock.\n");
ret = PTR_ERR(ctx->fimc_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
goto err_ctx;
}
ctx->wb_clk = clk_get(dev, "pxl_async0");
if (IS_ERR(ctx->wb_clk)) {
dev_err(dev, "failed to get writeback a clock.\n");
ret = PTR_ERR(ctx->wb_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
goto err_ctx;
}
ctx->wb_b_clk = clk_get(dev, "pxl_async1");
if (IS_ERR(ctx->wb_b_clk)) {
dev_err(dev, "failed to get writeback b clock.\n");
ret = PTR_ERR(ctx->wb_b_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
goto err_ctx;
}
parent_clk = clk_get(dev, ddata->parent_clk);
if (IS_ERR(parent_clk)) {
dev_err(dev, "failed to get parent clock.\n");
ret = PTR_ERR(parent_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
clk_put(ctx->wb_b_clk);
goto err_ctx;
}
if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) {
dev_err(dev, "failed to set parent.\n");
ret = -EINVAL;
clk_put(parent_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
clk_put(ctx->wb_b_clk);
goto err_ctx;
}
clk_put(parent_clk);
clk_set_rate(ctx->sclk_fimc_clk, pdata->clk_rate);
/* resource memory */
ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!ctx->regs_res) {
dev_err(dev, "failed to find registers.\n");
ret = -ENOENT;
goto err_clk;
}
ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res);
if (!ctx->regs) {
dev_err(dev, "failed to map registers.\n");
ret = -ENXIO;
goto err_clk;
}
/* resource irq */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(dev, "failed to request irq resource.\n");
ret = -ENOENT;
goto err_get_regs;
}
ctx->irq = res->start;
ret = request_threaded_irq(ctx->irq, NULL, fimc_irq_handler,
IRQF_ONESHOT, "drm_fimc", ctx);
if (ret < 0) {
dev_err(dev, "failed to request irq.\n");
goto err_get_regs;
}
/* context initailization */
ctx->id = pdev->id;
ctx->pol = pdata->pol;
ctx->ddata = ddata;
ippdrv = &ctx->ippdrv;
ippdrv->dev = dev;
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_get_irq;
}
DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id,
(int)ippdrv);
mutex_init(&ctx->lock);
platform_set_drvdata(pdev, ctx);
pm_runtime_set_active(dev);
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_ippdrv_register;
}
dev_info(&pdev->dev, "drm fimc registered successfully.\n");
return 0;
err_ippdrv_register:
devm_kfree(dev, ippdrv->prop_list);
pm_runtime_disable(dev);
err_get_irq:
free_irq(ctx->irq, ctx);
err_get_regs:
devm_iounmap(dev, ctx->regs);
err_clk:
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
clk_put(ctx->wb_b_clk);
err_ctx:
devm_kfree(dev, ctx);
return ret;
}
static int __devexit 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;
devm_kfree(dev, ippdrv->prop_list);
exynos_drm_ippdrv_unregister(ippdrv);
mutex_destroy(&ctx->lock);
pm_runtime_set_suspended(dev);
pm_runtime_disable(dev);
free_irq(ctx->irq, ctx);
devm_iounmap(dev, ctx->regs);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
clk_put(ctx->wb_b_clk);
devm_kfree(dev, ctx);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int fimc_suspend(struct device *dev)
{
struct fimc_context *ctx = get_fimc_context(dev);
DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
if (pm_runtime_suspended(dev))
return 0;
return fimc_clk_ctrl(ctx, false);
}
static int fimc_resume(struct device *dev)
{
struct fimc_context *ctx = get_fimc_context(dev);
DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
if (!pm_runtime_suspended(dev))
return fimc_clk_ctrl(ctx, true);
return 0;
}
#endif
#ifdef CONFIG_PM_RUNTIME
static int fimc_runtime_suspend(struct device *dev)
{
struct fimc_context *ctx = get_fimc_context(dev);
DRM_DEBUG_KMS("%s:id[%d]\n", __func__, 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("%s:id[%d]\n", __func__, ctx->id);
return fimc_clk_ctrl(ctx, true);
}
#endif
static struct fimc_driverdata exynos4210_fimc_data = {
.parent_clk = "mout_mpll",
};
static struct fimc_driverdata exynos4410_fimc_data = {
.parent_clk = "mout_mpll_user",
};
static struct platform_device_id fimc_driver_ids[] = {
{
.name = "exynos4210-fimc",
.driver_data = (unsigned long)&exynos4210_fimc_data,
}, {
.name = "exynos4412-fimc",
.driver_data = (unsigned long)&exynos4410_fimc_data,
},
{},
};
MODULE_DEVICE_TABLE(platform, fimc_driver_ids);
static const struct dev_pm_ops fimc_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
};
struct platform_driver fimc_driver = {
.probe = fimc_probe,
.remove = __devexit_p(fimc_remove),
.id_table = fimc_driver_ids,
.driver = {
.name = "exynos-drm-fimc",
.owner = THIS_MODULE,
.pm = &fimc_pm_ops,
},
};
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