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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 17:31:16 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:43:09 -0300
commit2c3fb08b3f74b8792004095a1f6881a3296ff643 (patch)
tree19be9d09c4aa66d4363ee9d38a43721f5d6b144f /drivers/media/video/s5p-fimc/fimc-core.c
parent2a2d1cf46500ab7599d0b45ee837f3936763ccac (diff)
[media] rename drivers/media/video as .../platform
The remaining drivers are mostly platform drivers. Name the dir to reflect it. It makes sense to latter break it into a few other dirs. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-core.c')
-rw-r--r--drivers/media/video/s5p-fimc/fimc-core.c1239
1 files changed, 0 insertions, 1239 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
deleted file mode 100644
index 1a445404e73d..000000000000
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ /dev/null
@@ -1,1239 +0,0 @@
-/*
- * Samsung S5P/EXYNOS4 SoC series FIMC (CAMIF) driver
- *
- * Copyright (C) 2010-2012 Samsung Electronics Co., Ltd.
- * Sylwester Nawrocki <s.nawrocki@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/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/bug.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/list.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/clk.h>
-#include <media/v4l2-ioctl.h>
-#include <media/videobuf2-core.h>
-#include <media/videobuf2-dma-contig.h>
-
-#include "fimc-core.h"
-#include "fimc-reg.h"
-#include "fimc-mdevice.h"
-
-static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
- "sclk_fimc", "fimc"
-};
-
-static struct fimc_fmt fimc_formats[] = {
- {
- .name = "RGB565",
- .fourcc = V4L2_PIX_FMT_RGB565,
- .depth = { 16 },
- .color = FIMC_FMT_RGB565,
- .memplanes = 1,
- .colplanes = 1,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "BGR666",
- .fourcc = V4L2_PIX_FMT_BGR666,
- .depth = { 32 },
- .color = FIMC_FMT_RGB666,
- .memplanes = 1,
- .colplanes = 1,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "ARGB8888, 32 bpp",
- .fourcc = V4L2_PIX_FMT_RGB32,
- .depth = { 32 },
- .color = FIMC_FMT_RGB888,
- .memplanes = 1,
- .colplanes = 1,
- .flags = FMT_FLAGS_M2M | FMT_HAS_ALPHA,
- }, {
- .name = "ARGB1555",
- .fourcc = V4L2_PIX_FMT_RGB555,
- .depth = { 16 },
- .color = FIMC_FMT_RGB555,
- .memplanes = 1,
- .colplanes = 1,
- .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
- }, {
- .name = "ARGB4444",
- .fourcc = V4L2_PIX_FMT_RGB444,
- .depth = { 16 },
- .color = FIMC_FMT_RGB444,
- .memplanes = 1,
- .colplanes = 1,
- .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
- }, {
- .name = "YUV 4:2:2 packed, YCbYCr",
- .fourcc = V4L2_PIX_FMT_YUYV,
- .depth = { 16 },
- .color = FIMC_FMT_YCBYCR422,
- .memplanes = 1,
- .colplanes = 1,
- .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8,
- .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
- }, {
- .name = "YUV 4:2:2 packed, CbYCrY",
- .fourcc = V4L2_PIX_FMT_UYVY,
- .depth = { 16 },
- .color = FIMC_FMT_CBYCRY422,
- .memplanes = 1,
- .colplanes = 1,
- .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8,
- .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
- }, {
- .name = "YUV 4:2:2 packed, CrYCbY",
- .fourcc = V4L2_PIX_FMT_VYUY,
- .depth = { 16 },
- .color = FIMC_FMT_CRYCBY422,
- .memplanes = 1,
- .colplanes = 1,
- .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8,
- .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
- }, {
- .name = "YUV 4:2:2 packed, YCrYCb",
- .fourcc = V4L2_PIX_FMT_YVYU,
- .depth = { 16 },
- .color = FIMC_FMT_YCRYCB422,
- .memplanes = 1,
- .colplanes = 1,
- .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8,
- .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
- }, {
- .name = "YUV 4:2:2 planar, Y/Cb/Cr",
- .fourcc = V4L2_PIX_FMT_YUV422P,
- .depth = { 12 },
- .color = FIMC_FMT_YCBYCR422,
- .memplanes = 1,
- .colplanes = 3,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:2 planar, Y/CbCr",
- .fourcc = V4L2_PIX_FMT_NV16,
- .depth = { 16 },
- .color = FIMC_FMT_YCBYCR422,
- .memplanes = 1,
- .colplanes = 2,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:2 planar, Y/CrCb",
- .fourcc = V4L2_PIX_FMT_NV61,
- .depth = { 16 },
- .color = FIMC_FMT_YCRYCB422,
- .memplanes = 1,
- .colplanes = 2,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:0 planar, YCbCr",
- .fourcc = V4L2_PIX_FMT_YUV420,
- .depth = { 12 },
- .color = FIMC_FMT_YCBCR420,
- .memplanes = 1,
- .colplanes = 3,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:0 planar, Y/CbCr",
- .fourcc = V4L2_PIX_FMT_NV12,
- .depth = { 12 },
- .color = FIMC_FMT_YCBCR420,
- .memplanes = 1,
- .colplanes = 2,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:0 non-contig. 2p, Y/CbCr",
- .fourcc = V4L2_PIX_FMT_NV12M,
- .color = FIMC_FMT_YCBCR420,
- .depth = { 8, 4 },
- .memplanes = 2,
- .colplanes = 2,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:0 non-contig. 3p, Y/Cb/Cr",
- .fourcc = V4L2_PIX_FMT_YUV420M,
- .color = FIMC_FMT_YCBCR420,
- .depth = { 8, 2, 2 },
- .memplanes = 3,
- .colplanes = 3,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "YUV 4:2:0 non-contig. 2p, tiled",
- .fourcc = V4L2_PIX_FMT_NV12MT,
- .color = FIMC_FMT_YCBCR420,
- .depth = { 8, 4 },
- .memplanes = 2,
- .colplanes = 2,
- .flags = FMT_FLAGS_M2M,
- }, {
- .name = "JPEG encoded data",
- .fourcc = V4L2_PIX_FMT_JPEG,
- .color = FIMC_FMT_JPEG,
- .depth = { 8 },
- .memplanes = 1,
- .colplanes = 1,
- .mbus_code = V4L2_MBUS_FMT_JPEG_1X8,
- .flags = FMT_FLAGS_CAM,
- },
-};
-
-struct fimc_fmt *fimc_get_format(unsigned int index)
-{
- if (index >= ARRAY_SIZE(fimc_formats))
- return NULL;
-
- return &fimc_formats[index];
-}
-
-int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh,
- int dw, int dh, int rotation)
-{
- if (rotation == 90 || rotation == 270)
- swap(dw, dh);
-
- if (!ctx->scaler.enabled)
- return (sw == dw && sh == dh) ? 0 : -EINVAL;
-
- if ((sw >= SCALER_MAX_HRATIO * dw) || (sh >= SCALER_MAX_VRATIO * dh))
- return -EINVAL;
-
- return 0;
-}
-
-static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
-{
- u32 sh = 6;
-
- if (src >= 64 * tar)
- return -EINVAL;
-
- while (sh--) {
- u32 tmp = 1 << sh;
- if (src >= tar * tmp) {
- *shift = sh, *ratio = tmp;
- return 0;
- }
- }
- *shift = 0, *ratio = 1;
- return 0;
-}
-
-int fimc_set_scaler_info(struct fimc_ctx *ctx)
-{
- struct fimc_variant *variant = ctx->fimc_dev->variant;
- struct device *dev = &ctx->fimc_dev->pdev->dev;
- struct fimc_scaler *sc = &ctx->scaler;
- struct fimc_frame *s_frame = &ctx->s_frame;
- struct fimc_frame *d_frame = &ctx->d_frame;
- int tx, ty, sx, sy;
- int ret;
-
- if (ctx->rotation == 90 || ctx->rotation == 270) {
- ty = d_frame->width;
- tx = d_frame->height;
- } else {
- tx = d_frame->width;
- ty = d_frame->height;
- }
- if (tx <= 0 || ty <= 0) {
- dev_err(dev, "Invalid target size: %dx%d", tx, ty);
- return -EINVAL;
- }
-
- sx = s_frame->width;
- sy = s_frame->height;
- if (sx <= 0 || sy <= 0) {
- dev_err(dev, "Invalid source size: %dx%d", sx, sy);
- return -EINVAL;
- }
- sc->real_width = sx;
- sc->real_height = sy;
-
- ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor);
- if (ret)
- return ret;
-
- ret = fimc_get_scaler_factor(sy, ty, &sc->pre_vratio, &sc->vfactor);
- if (ret)
- return ret;
-
- sc->pre_dst_width = sx / sc->pre_hratio;
- sc->pre_dst_height = sy / sc->pre_vratio;
-
- if (variant->has_mainscaler_ext) {
- sc->main_hratio = (sx << 14) / (tx << sc->hfactor);
- sc->main_vratio = (sy << 14) / (ty << sc->vfactor);
- } else {
- sc->main_hratio = (sx << 8) / (tx << sc->hfactor);
- sc->main_vratio = (sy << 8) / (ty << sc->vfactor);
-
- }
-
- sc->scaleup_h = (tx >= sx) ? 1 : 0;
- sc->scaleup_v = (ty >= sy) ? 1 : 0;
-
- /* check to see if input and output size/format differ */
- if (s_frame->fmt->color == d_frame->fmt->color
- && s_frame->width == d_frame->width
- && s_frame->height == d_frame->height)
- sc->copy_mode = 1;
- else
- sc->copy_mode = 0;
-
- return 0;
-}
-
-static irqreturn_t fimc_irq_handler(int irq, void *priv)
-{
- struct fimc_dev *fimc = priv;
- struct fimc_ctx *ctx;
-
- fimc_hw_clear_irq(fimc);
-
- spin_lock(&fimc->slock);
-
- if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) {
- if (test_and_clear_bit(ST_M2M_SUSPENDING, &fimc->state)) {
- set_bit(ST_M2M_SUSPENDED, &fimc->state);
- wake_up(&fimc->irq_queue);
- goto out;
- }
- ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
- if (ctx != NULL) {
- spin_unlock(&fimc->slock);
- fimc_m2m_job_finish(ctx, VB2_BUF_STATE_DONE);
-
- if (ctx->state & FIMC_CTX_SHUT) {
- ctx->state &= ~FIMC_CTX_SHUT;
- wake_up(&fimc->irq_queue);
- }
- return IRQ_HANDLED;
- }
- } else if (test_bit(ST_CAPT_PEND, &fimc->state)) {
- int last_buf = test_bit(ST_CAPT_JPEG, &fimc->state) &&
- fimc->vid_cap.reqbufs_count == 1;
- fimc_capture_irq_handler(fimc, !last_buf);
- }
-out:
- spin_unlock(&fimc->slock);
- return IRQ_HANDLED;
-}
-
-/* The color format (colplanes, memplanes) must be already configured. */
-int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
- struct fimc_frame *frame, struct fimc_addr *paddr)
-{
- int ret = 0;
- u32 pix_size;
-
- if (vb == NULL || frame == NULL)
- return -EINVAL;
-
- pix_size = frame->width * frame->height;
-
- dbg("memplanes= %d, colplanes= %d, pix_size= %d",
- frame->fmt->memplanes, frame->fmt->colplanes, pix_size);
-
- paddr->y = vb2_dma_contig_plane_dma_addr(vb, 0);
-
- if (frame->fmt->memplanes == 1) {
- switch (frame->fmt->colplanes) {
- case 1:
- paddr->cb = 0;
- paddr->cr = 0;
- break;
- case 2:
- /* decompose Y into Y/Cb */
- paddr->cb = (u32)(paddr->y + pix_size);
- paddr->cr = 0;
- break;
- case 3:
- paddr->cb = (u32)(paddr->y + pix_size);
- /* decompose Y into Y/Cb/Cr */
- if (FIMC_FMT_YCBCR420 == frame->fmt->color)
- paddr->cr = (u32)(paddr->cb
- + (pix_size >> 2));
- else /* 422 */
- paddr->cr = (u32)(paddr->cb
- + (pix_size >> 1));
- break;
- default:
- return -EINVAL;
- }
- } else {
- if (frame->fmt->memplanes >= 2)
- paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1);
-
- if (frame->fmt->memplanes == 3)
- paddr->cr = vb2_dma_contig_plane_dma_addr(vb, 2);
- }
-
- dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
- paddr->y, paddr->cb, paddr->cr, ret);
-
- return ret;
-}
-
-/* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */
-void fimc_set_yuv_order(struct fimc_ctx *ctx)
-{
- /* The one only mode supported in SoC. */
- ctx->in_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
- ctx->out_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
-
- /* Set order for 1 plane input formats. */
- switch (ctx->s_frame.fmt->color) {
- case FIMC_FMT_YCRYCB422:
- ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CBYCRY;
- break;
- case FIMC_FMT_CBYCRY422:
- ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCRYCB;
- break;
- case FIMC_FMT_CRYCBY422:
- ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCBYCR;
- break;
- case FIMC_FMT_YCBYCR422:
- default:
- ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CRYCBY;
- break;
- }
- dbg("ctx->in_order_1p= %d", ctx->in_order_1p);
-
- switch (ctx->d_frame.fmt->color) {
- case FIMC_FMT_YCRYCB422:
- ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CBYCRY;
- break;
- case FIMC_FMT_CBYCRY422:
- ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCRYCB;
- break;
- case FIMC_FMT_CRYCBY422:
- ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCBYCR;
- break;
- case FIMC_FMT_YCBYCR422:
- default:
- ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CRYCBY;
- break;
- }
- dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
-}
-
-void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
-{
- struct fimc_variant *variant = ctx->fimc_dev->variant;
- u32 i, depth = 0;
-
- for (i = 0; i < f->fmt->colplanes; i++)
- depth += f->fmt->depth[i];
-
- f->dma_offset.y_h = f->offs_h;
- if (!variant->pix_hoff)
- f->dma_offset.y_h *= (depth >> 3);
-
- f->dma_offset.y_v = f->offs_v;
-
- f->dma_offset.cb_h = f->offs_h;
- f->dma_offset.cb_v = f->offs_v;
-
- f->dma_offset.cr_h = f->offs_h;
- f->dma_offset.cr_v = f->offs_v;
-
- if (!variant->pix_hoff) {
- if (f->fmt->colplanes == 3) {
- f->dma_offset.cb_h >>= 1;
- f->dma_offset.cr_h >>= 1;
- }
- if (f->fmt->color == FIMC_FMT_YCBCR420) {
- f->dma_offset.cb_v >>= 1;
- f->dma_offset.cr_v >>= 1;
- }
- }
-
- dbg("in_offset: color= %d, y_h= %d, y_v= %d",
- f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
-}
-
-static int fimc_set_color_effect(struct fimc_ctx *ctx, enum v4l2_colorfx colorfx)
-{
- struct fimc_effect *effect = &ctx->effect;
-
- switch (colorfx) {
- case V4L2_COLORFX_NONE:
- effect->type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
- break;
- case V4L2_COLORFX_BW:
- effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
- effect->pat_cb = 128;
- effect->pat_cr = 128;
- break;
- case V4L2_COLORFX_SEPIA:
- effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
- effect->pat_cb = 115;
- effect->pat_cr = 145;
- break;
- case V4L2_COLORFX_NEGATIVE:
- effect->type = FIMC_REG_CIIMGEFF_FIN_NEGATIVE;
- break;
- case V4L2_COLORFX_EMBOSS:
- effect->type = FIMC_REG_CIIMGEFF_FIN_EMBOSSING;
- break;
- case V4L2_COLORFX_ART_FREEZE:
- effect->type = FIMC_REG_CIIMGEFF_FIN_ARTFREEZE;
- break;
- case V4L2_COLORFX_SILHOUETTE:
- effect->type = FIMC_REG_CIIMGEFF_FIN_SILHOUETTE;
- break;
- case V4L2_COLORFX_SET_CBCR:
- effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
- effect->pat_cb = ctx->ctrls.colorfx_cbcr->val >> 8;
- effect->pat_cr = ctx->ctrls.colorfx_cbcr->val & 0xff;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/*
- * V4L2 controls handling
- */
-#define ctrl_to_ctx(__ctrl) \
- container_of((__ctrl)->handler, struct fimc_ctx, ctrls.handler)
-
-static int __fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_ctrl *ctrl)
-{
- struct fimc_dev *fimc = ctx->fimc_dev;
- struct fimc_variant *variant = fimc->variant;
- unsigned int flags = FIMC_DST_FMT | FIMC_SRC_FMT;
- int ret = 0;
-
- if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
- return 0;
-
- switch (ctrl->id) {
- case V4L2_CID_HFLIP:
- ctx->hflip = ctrl->val;
- break;
-
- case V4L2_CID_VFLIP:
- ctx->vflip = ctrl->val;
- break;
-
- case V4L2_CID_ROTATE:
- if (fimc_capture_pending(fimc) ||
- (ctx->state & flags) == flags) {
- ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
- ctx->s_frame.height, ctx->d_frame.width,
- ctx->d_frame.height, ctrl->val);
- if (ret)
- return -EINVAL;
- }
- if ((ctrl->val == 90 || ctrl->val == 270) &&
- !variant->has_out_rot)
- return -EINVAL;
-
- ctx->rotation = ctrl->val;
- break;
-
- case V4L2_CID_ALPHA_COMPONENT:
- ctx->d_frame.alpha = ctrl->val;
- break;
-
- case V4L2_CID_COLORFX:
- ret = fimc_set_color_effect(ctx, ctrl->val);
- if (ret)
- return ret;
- break;
- }
-
- ctx->state |= FIMC_PARAMS;
- set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
- return 0;
-}
-
-static int fimc_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct fimc_ctx *ctx = ctrl_to_ctx(ctrl);
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&ctx->fimc_dev->slock, flags);
- ret = __fimc_s_ctrl(ctx, ctrl);
- spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags);
-
- return ret;
-}
-
-static const struct v4l2_ctrl_ops fimc_ctrl_ops = {
- .s_ctrl = fimc_s_ctrl,
-};
-
-int fimc_ctrls_create(struct fimc_ctx *ctx)
-{
- struct fimc_variant *variant = ctx->fimc_dev->variant;
- unsigned int max_alpha = fimc_get_alpha_mask(ctx->d_frame.fmt);
- struct fimc_ctrls *ctrls = &ctx->ctrls;
- struct v4l2_ctrl_handler *handler = &ctrls->handler;
-
- if (ctx->ctrls.ready)
- return 0;
-
- v4l2_ctrl_handler_init(handler, 6);
-
- ctrls->rotate = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
- V4L2_CID_ROTATE, 0, 270, 90, 0);
- ctrls->hflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
- V4L2_CID_HFLIP, 0, 1, 1, 0);
- ctrls->vflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
- V4L2_CID_VFLIP, 0, 1, 1, 0);
-
- if (variant->has_alpha)
- ctrls->alpha = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
- V4L2_CID_ALPHA_COMPONENT,
- 0, max_alpha, 1, 0);
- else
- ctrls->alpha = NULL;
-
- ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, &fimc_ctrl_ops,
- V4L2_CID_COLORFX, V4L2_COLORFX_SET_CBCR,
- ~0x983f, V4L2_COLORFX_NONE);
-
- ctrls->colorfx_cbcr = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
- V4L2_CID_COLORFX_CBCR, 0, 0xffff, 1, 0);
-
- ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
-
- if (!handler->error) {
- v4l2_ctrl_cluster(2, &ctrls->colorfx);
- ctrls->ready = true;
- }
-
- return handler->error;
-}
-
-void fimc_ctrls_delete(struct fimc_ctx *ctx)
-{
- struct fimc_ctrls *ctrls = &ctx->ctrls;
-
- if (ctrls->ready) {
- v4l2_ctrl_handler_free(&ctrls->handler);
- ctrls->ready = false;
- ctrls->alpha = NULL;
- }
-}
-
-void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active)
-{
- unsigned int has_alpha = ctx->d_frame.fmt->flags & FMT_HAS_ALPHA;
- struct fimc_ctrls *ctrls = &ctx->ctrls;
-
- if (!ctrls->ready)
- return;
-
- mutex_lock(ctrls->handler.lock);
- v4l2_ctrl_activate(ctrls->rotate, active);
- v4l2_ctrl_activate(ctrls->hflip, active);
- v4l2_ctrl_activate(ctrls->vflip, active);
- v4l2_ctrl_activate(ctrls->colorfx, active);
- if (ctrls->alpha)
- v4l2_ctrl_activate(ctrls->alpha, active && has_alpha);
-
- if (active) {
- fimc_set_color_effect(ctx, ctrls->colorfx->cur.val);
- ctx->rotation = ctrls->rotate->val;
- ctx->hflip = ctrls->hflip->val;
- ctx->vflip = ctrls->vflip->val;
- } else {
- ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
- ctx->rotation = 0;
- ctx->hflip = 0;
- ctx->vflip = 0;
- }
- mutex_unlock(ctrls->handler.lock);
-}
-
-/* Update maximum value of the alpha color control */
-void fimc_alpha_ctrl_update(struct fimc_ctx *ctx)
-{
- struct fimc_dev *fimc = ctx->fimc_dev;
- struct v4l2_ctrl *ctrl = ctx->ctrls.alpha;
-
- if (ctrl == NULL || !fimc->variant->has_alpha)
- return;
-
- v4l2_ctrl_lock(ctrl);
- ctrl->maximum = fimc_get_alpha_mask(ctx->d_frame.fmt);
-
- if (ctrl->cur.val > ctrl->maximum)
- ctrl->cur.val = ctrl->maximum;
-
- v4l2_ctrl_unlock(ctrl);
-}
-
-int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f)
-{
- struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
- int i;
-
- pixm->width = frame->o_width;
- pixm->height = frame->o_height;
- pixm->field = V4L2_FIELD_NONE;
- pixm->pixelformat = frame->fmt->fourcc;
- pixm->colorspace = V4L2_COLORSPACE_JPEG;
- pixm->num_planes = frame->fmt->memplanes;
-
- for (i = 0; i < pixm->num_planes; ++i) {
- int bpl = frame->f_width;
- if (frame->fmt->colplanes == 1) /* packed formats */
- bpl = (bpl * frame->fmt->depth[0]) / 8;
- pixm->plane_fmt[i].bytesperline = bpl;
- pixm->plane_fmt[i].sizeimage = (frame->o_width *
- frame->o_height * frame->fmt->depth[i]) / 8;
- }
- return 0;
-}
-
-void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f)
-{
- struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
-
- frame->f_width = pixm->plane_fmt[0].bytesperline;
- if (frame->fmt->colplanes == 1)
- frame->f_width = (frame->f_width * 8) / frame->fmt->depth[0];
- frame->f_height = pixm->height;
- frame->width = pixm->width;
- frame->height = pixm->height;
- frame->o_width = pixm->width;
- frame->o_height = pixm->height;
- frame->offs_h = 0;
- frame->offs_v = 0;
-}
-
-/**
- * fimc_adjust_mplane_format - adjust bytesperline/sizeimage for each plane
- * @fmt: fimc pixel format description (input)
- * @width: requested pixel width
- * @height: requested pixel height
- * @pix: multi-plane format to adjust
- */
-void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
- struct v4l2_pix_format_mplane *pix)
-{
- u32 bytesperline = 0;
- int i;
-
- pix->colorspace = V4L2_COLORSPACE_JPEG;
- pix->field = V4L2_FIELD_NONE;
- pix->num_planes = fmt->memplanes;
- pix->pixelformat = fmt->fourcc;
- pix->height = height;
- pix->width = width;
-
- for (i = 0; i < pix->num_planes; ++i) {
- struct v4l2_plane_pix_format *plane_fmt = &pix->plane_fmt[i];
- u32 bpl = plane_fmt->bytesperline;
-
- if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width))
- bpl = pix->width; /* Planar */
-
- if (fmt->colplanes == 1 && /* Packed */
- (bpl == 0 || ((bpl * 8) / fmt->depth[i]) < pix->width))
- bpl = (pix->width * fmt->depth[0]) / 8;
-
- if (i == 0) /* Same bytesperline for each plane. */
- bytesperline = bpl;
-
- plane_fmt->bytesperline = bytesperline;
- plane_fmt->sizeimage = max((pix->width * pix->height *
- fmt->depth[i]) / 8, plane_fmt->sizeimage);
- }
-}
-
-/**
- * fimc_find_format - lookup fimc color format by fourcc or media bus format
- * @pixelformat: fourcc to match, ignored if null
- * @mbus_code: media bus code to match, ignored if null
- * @mask: the color flags to match
- * @index: offset in the fimc_formats array, ignored if negative
- */
-struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code,
- unsigned int mask, int index)
-{
- struct fimc_fmt *fmt, *def_fmt = NULL;
- unsigned int i;
- int id = 0;
-
- if (index >= (int)ARRAY_SIZE(fimc_formats))
- return NULL;
-
- for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
- fmt = &fimc_formats[i];
- if (!(fmt->flags & mask))
- continue;
- if (pixelformat && fmt->fourcc == *pixelformat)
- return fmt;
- if (mbus_code && fmt->mbus_code == *mbus_code)
- return fmt;
- if (index == id)
- def_fmt = fmt;
- id++;
- }
- return def_fmt;
-}
-
-static void fimc_clk_put(struct fimc_dev *fimc)
-{
- int i;
- for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
- if (IS_ERR_OR_NULL(fimc->clock[i]))
- continue;
- clk_unprepare(fimc->clock[i]);
- clk_put(fimc->clock[i]);
- fimc->clock[i] = NULL;
- }
-}
-
-static int fimc_clk_get(struct fimc_dev *fimc)
-{
- int i, ret;
-
- for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
- fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]);
- if (IS_ERR(fimc->clock[i]))
- goto err;
- ret = clk_prepare(fimc->clock[i]);
- if (ret < 0) {
- clk_put(fimc->clock[i]);
- fimc->clock[i] = NULL;
- goto err;
- }
- }
- return 0;
-err:
- fimc_clk_put(fimc);
- dev_err(&fimc->pdev->dev, "failed to get clock: %s\n",
- fimc_clocks[i]);
- return -ENXIO;
-}
-
-static int fimc_m2m_suspend(struct fimc_dev *fimc)
-{
- unsigned long flags;
- int timeout;
-
- spin_lock_irqsave(&fimc->slock, flags);
- if (!fimc_m2m_pending(fimc)) {
- spin_unlock_irqrestore(&fimc->slock, flags);
- return 0;
- }
- clear_bit(ST_M2M_SUSPENDED, &fimc->state);
- set_bit(ST_M2M_SUSPENDING, &fimc->state);
- spin_unlock_irqrestore(&fimc->slock, flags);
-
- timeout = wait_event_timeout(fimc->irq_queue,
- test_bit(ST_M2M_SUSPENDED, &fimc->state),
- FIMC_SHUTDOWN_TIMEOUT);
-
- clear_bit(ST_M2M_SUSPENDING, &fimc->state);
- return timeout == 0 ? -EAGAIN : 0;
-}
-
-static int fimc_m2m_resume(struct fimc_dev *fimc)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&fimc->slock, flags);
- /* Clear for full H/W setup in first run after resume */
- fimc->m2m.ctx = NULL;
- spin_unlock_irqrestore(&fimc->slock, flags);
-
- if (test_and_clear_bit(ST_M2M_SUSPENDED, &fimc->state))
- fimc_m2m_job_finish(fimc->m2m.ctx,
- VB2_BUF_STATE_ERROR);
- return 0;
-}
-
-static int fimc_probe(struct platform_device *pdev)
-{
- struct fimc_drvdata *drv_data = fimc_get_drvdata(pdev);
- struct s5p_platform_fimc *pdata;
- struct fimc_dev *fimc;
- struct resource *res;
- int ret = 0;
-
- if (pdev->id >= drv_data->num_entities) {
- dev_err(&pdev->dev, "Invalid platform device id: %d\n",
- pdev->id);
- return -EINVAL;
- }
-
- fimc = devm_kzalloc(&pdev->dev, sizeof(*fimc), GFP_KERNEL);
- if (!fimc)
- return -ENOMEM;
-
- fimc->id = pdev->id;
-
- fimc->variant = drv_data->variant[fimc->id];
- fimc->pdev = pdev;
- pdata = pdev->dev.platform_data;
- fimc->pdata = pdata;
-
- init_waitqueue_head(&fimc->irq_queue);
- spin_lock_init(&fimc->slock);
- mutex_init(&fimc->lock);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- fimc->regs = devm_request_and_ioremap(&pdev->dev, res);
- if (fimc->regs == NULL) {
- dev_err(&pdev->dev, "Failed to obtain io memory\n");
- return -ENOENT;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "Failed to get IRQ resource\n");
- return -ENXIO;
- }
-
- ret = fimc_clk_get(fimc);
- if (ret)
- return ret;
- clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency);
- clk_enable(fimc->clock[CLK_BUS]);
-
- ret = devm_request_irq(&pdev->dev, res->start, fimc_irq_handler,
- 0, dev_name(&pdev->dev), fimc);
- if (ret) {
- dev_err(&pdev->dev, "failed to install irq (%d)\n", ret);
- goto err_clk;
- }
-
- ret = fimc_initialize_capture_subdev(fimc);
- if (ret)
- goto err_clk;
-
- platform_set_drvdata(pdev, fimc);
- pm_runtime_enable(&pdev->dev);
- ret = pm_runtime_get_sync(&pdev->dev);
- if (ret < 0)
- goto err_sd;
- /* Initialize contiguous memory allocator */
- fimc->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
- if (IS_ERR(fimc->alloc_ctx)) {
- ret = PTR_ERR(fimc->alloc_ctx);
- goto err_pm;
- }
-
- dev_dbg(&pdev->dev, "FIMC.%d registered successfully\n", fimc->id);
-
- pm_runtime_put(&pdev->dev);
- return 0;
-err_pm:
- pm_runtime_put(&pdev->dev);
-err_sd:
- fimc_unregister_capture_subdev(fimc);
-err_clk:
- fimc_clk_put(fimc);
- return ret;
-}
-
-static int fimc_runtime_resume(struct device *dev)
-{
- struct fimc_dev *fimc = dev_get_drvdata(dev);
-
- dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
-
- /* Enable clocks and perform basic initalization */
- clk_enable(fimc->clock[CLK_GATE]);
- fimc_hw_reset(fimc);
-
- /* Resume the capture or mem-to-mem device */
- if (fimc_capture_busy(fimc))
- return fimc_capture_resume(fimc);
-
- return fimc_m2m_resume(fimc);
-}
-
-static int fimc_runtime_suspend(struct device *dev)
-{
- struct fimc_dev *fimc = dev_get_drvdata(dev);
- int ret = 0;
-
- if (fimc_capture_busy(fimc))
- ret = fimc_capture_suspend(fimc);
- else
- ret = fimc_m2m_suspend(fimc);
- if (!ret)
- clk_disable(fimc->clock[CLK_GATE]);
-
- dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
- return ret;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int fimc_resume(struct device *dev)
-{
- struct fimc_dev *fimc = dev_get_drvdata(dev);
- unsigned long flags;
-
- dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
-
- /* Do not resume if the device was idle before system suspend */
- spin_lock_irqsave(&fimc->slock, flags);
- if (!test_and_clear_bit(ST_LPM, &fimc->state) ||
- (!fimc_m2m_active(fimc) && !fimc_capture_busy(fimc))) {
- spin_unlock_irqrestore(&fimc->slock, flags);
- return 0;
- }
- fimc_hw_reset(fimc);
- spin_unlock_irqrestore(&fimc->slock, flags);
-
- if (fimc_capture_busy(fimc))
- return fimc_capture_resume(fimc);
-
- return fimc_m2m_resume(fimc);
-}
-
-static int fimc_suspend(struct device *dev)
-{
- struct fimc_dev *fimc = dev_get_drvdata(dev);
-
- dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
-
- if (test_and_set_bit(ST_LPM, &fimc->state))
- return 0;
- if (fimc_capture_busy(fimc))
- return fimc_capture_suspend(fimc);
-
- return fimc_m2m_suspend(fimc);
-}
-#endif /* CONFIG_PM_SLEEP */
-
-static int __devexit fimc_remove(struct platform_device *pdev)
-{
- struct fimc_dev *fimc = platform_get_drvdata(pdev);
-
- pm_runtime_disable(&pdev->dev);
- pm_runtime_set_suspended(&pdev->dev);
-
- fimc_unregister_capture_subdev(fimc);
- vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
-
- clk_disable(fimc->clock[CLK_BUS]);
- fimc_clk_put(fimc);
-
- dev_info(&pdev->dev, "driver unloaded\n");
- return 0;
-}
-
-/* Image pixel limits, similar across several FIMC HW revisions. */
-static struct fimc_pix_limit s5p_pix_limit[4] = {
- [0] = {
- .scaler_en_w = 3264,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
- },
- [1] = {
- .scaler_en_w = 4224,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
- },
- [2] = {
- .scaler_en_w = 1920,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1280,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1280,
- .out_rot_dis_w = 1920,
- },
- [3] = {
- .scaler_en_w = 1920,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1366,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1366,
- .out_rot_dis_w = 1920,
- },
-};
-
-static struct fimc_variant fimc0_variant_s5p = {
- .has_inp_rot = 1,
- .has_out_rot = 1,
- .has_cam_if = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 8,
- .min_vsize_align = 16,
- .out_buf_count = 4,
- .pix_limit = &s5p_pix_limit[0],
-};
-
-static struct fimc_variant fimc2_variant_s5p = {
- .has_cam_if = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 8,
- .min_vsize_align = 16,
- .out_buf_count = 4,
- .pix_limit = &s5p_pix_limit[1],
-};
-
-static struct fimc_variant fimc0_variant_s5pv210 = {
- .pix_hoff = 1,
- .has_inp_rot = 1,
- .has_out_rot = 1,
- .has_cam_if = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 8,
- .min_vsize_align = 16,
- .out_buf_count = 4,
- .pix_limit = &s5p_pix_limit[1],
-};
-
-static struct fimc_variant fimc1_variant_s5pv210 = {
- .pix_hoff = 1,
- .has_inp_rot = 1,
- .has_out_rot = 1,
- .has_cam_if = 1,
- .has_mainscaler_ext = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 1,
- .min_vsize_align = 1,
- .out_buf_count = 4,
- .pix_limit = &s5p_pix_limit[2],
-};
-
-static struct fimc_variant fimc2_variant_s5pv210 = {
- .has_cam_if = 1,
- .pix_hoff = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 8,
- .min_vsize_align = 16,
- .out_buf_count = 4,
- .pix_limit = &s5p_pix_limit[2],
-};
-
-static struct fimc_variant fimc0_variant_exynos4 = {
- .pix_hoff = 1,
- .has_inp_rot = 1,
- .has_out_rot = 1,
- .has_cam_if = 1,
- .has_cistatus2 = 1,
- .has_mainscaler_ext = 1,
- .has_alpha = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 2,
- .min_vsize_align = 1,
- .out_buf_count = 32,
- .pix_limit = &s5p_pix_limit[1],
-};
-
-static struct fimc_variant fimc3_variant_exynos4 = {
- .pix_hoff = 1,
- .has_cam_if = 1,
- .has_cistatus2 = 1,
- .has_mainscaler_ext = 1,
- .has_alpha = 1,
- .min_inp_pixsize = 16,
- .min_out_pixsize = 16,
- .hor_offs_align = 2,
- .min_vsize_align = 1,
- .out_buf_count = 32,
- .pix_limit = &s5p_pix_limit[3],
-};
-
-/* S5PC100 */
-static struct fimc_drvdata fimc_drvdata_s5p = {
- .variant = {
- [0] = &fimc0_variant_s5p,
- [1] = &fimc0_variant_s5p,
- [2] = &fimc2_variant_s5p,
- },
- .num_entities = 3,
- .lclk_frequency = 133000000UL,
-};
-
-/* S5PV210, S5PC110 */
-static struct fimc_drvdata fimc_drvdata_s5pv210 = {
- .variant = {
- [0] = &fimc0_variant_s5pv210,
- [1] = &fimc1_variant_s5pv210,
- [2] = &fimc2_variant_s5pv210,
- },
- .num_entities = 3,
- .lclk_frequency = 166000000UL,
-};
-
-/* EXYNOS4210, S5PV310, S5PC210 */
-static struct fimc_drvdata fimc_drvdata_exynos4 = {
- .variant = {
- [0] = &fimc0_variant_exynos4,
- [1] = &fimc0_variant_exynos4,
- [2] = &fimc0_variant_exynos4,
- [3] = &fimc3_variant_exynos4,
- },
- .num_entities = 4,
- .lclk_frequency = 166000000UL,
-};
-
-static struct platform_device_id fimc_driver_ids[] = {
- {
- .name = "s5p-fimc",
- .driver_data = (unsigned long)&fimc_drvdata_s5p,
- }, {
- .name = "s5pv210-fimc",
- .driver_data = (unsigned long)&fimc_drvdata_s5pv210,
- }, {
- .name = "exynos4-fimc",
- .driver_data = (unsigned long)&fimc_drvdata_exynos4,
- },
- {},
-};
-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)
-};
-
-static struct platform_driver fimc_driver = {
- .probe = fimc_probe,
- .remove = __devexit_p(fimc_remove),
- .id_table = fimc_driver_ids,
- .driver = {
- .name = FIMC_MODULE_NAME,
- .owner = THIS_MODULE,
- .pm = &fimc_pm_ops,
- }
-};
-
-int __init fimc_register_driver(void)
-{
- return platform_driver_register(&fimc_driver);
-}
-
-void __exit fimc_unregister_driver(void)
-{
- platform_driver_unregister(&fimc_driver);
-}