From patchwork Mon May 10 15:55:50 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sylwester Nawrocki/Kernel \\(PLT\\) /SRPOL/Staff Engineer/Samsung Electronics" X-Patchwork-Id: 98193 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4AG1OMc015050 for ; Mon, 10 May 2010 16:01:28 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753835Ab0EJP4N (ORCPT ); Mon, 10 May 2010 11:56:13 -0400 Received: from mailout1.w1.samsung.com ([210.118.77.11]:16626 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754016Ab0EJP4J (ORCPT ); Mon, 10 May 2010 11:56:09 -0400 Received: from eu_spt1 (mailout1.w1.samsung.com [210.118.77.11]) by mailout1.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTP id <0L27007ODO9IOF@mailout1.w1.samsung.com>; Mon, 10 May 2010 16:56:06 +0100 (BST) Received: from linux.samsung.com ([106.116.38.10]) by spt1.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0L27005ZCO9EVK@spt1.w1.samsung.com>; Mon, 10 May 2010 16:56:06 +0100 (BST) Received: from mcdsrvbld02.digital.local (unknown [106.116.37.23]) by linux.samsung.com (Postfix) with ESMTP id CBE2027004F; Mon, 10 May 2010 17:55:43 +0200 (CEST) Date: Mon, 10 May 2010 17:55:50 +0200 From: Sylwester Nawrocki Subject: [PATCH v2 3/3] ARM: Samsung S5P: Add Camera Interface (video postprocessor) driver In-reply-to: <1273506950-25920-1-git-send-email-s.nawrocki@samsung.com> To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: p.osciak@samsung.com, m.szyprowski@samsung.com, kyungmin.park@samsung.com, ben-linux@fluff.org, Sylwester Nawrocki Message-id: <1273506950-25920-4-git-send-email-s.nawrocki@samsung.com> MIME-version: 1.0 X-Mailer: git-send-email 1.7.1 Content-type: TEXT/PLAIN Content-transfer-encoding: 7BIT References: <1273506950-25920-1-git-send-email-s.nawrocki@samsung.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 10 May 2010 16:02:16 +0000 (UTC) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 9a306a6..6c39567 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -953,6 +953,15 @@ config VIDEO_OMAP2 ---help--- This is a v4l2 driver for the TI OMAP2 camera capture interface +config VIDEO_SAMSUNG_FIMC + tristate "Samsung S5P Camera Interface (video postprocessor) driver" + depends on VIDEO_DEV && VIDEO_V4L2 + select VIDEOBUF_DMA_CONTIG + select V4L2_MEM2MEM_DEV + default n + help + This is a v4l2 driver the Samsung S5P camera capture interface + # # USB Multimedia device configuration # @@ -1134,4 +1143,13 @@ config VIDEO_MEM2MEM_TESTDEV This is a virtual test device for the memory-to-memory driver framework. +config VIDEO_SAMSUNG_FIMC + tristate "Samsung S5PV210 Camera Interface (video postprocessor) driver" + depends on VIDEO_DEV && VIDEO_V4L2 + select VIDEOBUF_DMA_CONTIG + select V4L2_MEM2MEM_DEV + default n + help + Samsung S5PV210 camera interface (video postprocessor) driver. + endif # V4L_MEM2MEM_DRIVERS diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 2fa3c13..20fe3a8 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -162,6 +162,7 @@ obj-$(CONFIG_VIDEO_MX1) += mx1_camera.o obj-$(CONFIG_VIDEO_MX3) += mx3_camera.o obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o +obj-$(CONFIG_VIDEO_SAMSUNG_FIMC) += samsung-fimc/ obj-$(CONFIG_ARCH_DAVINCI) += davinci/ diff --git a/drivers/media/video/samsung-fimc/Makefile b/drivers/media/video/samsung-fimc/Makefile new file mode 100644 index 0000000..7804ebf --- /dev/null +++ b/drivers/media/video/samsung-fimc/Makefile @@ -0,0 +1,3 @@ + +obj-$(CONFIG_VIDEO_SAMSUNG_FIMC) := samsung-fimc.o +samsung-fimc-y := fimc-core.o fimc-reg.o diff --git a/drivers/media/video/samsung-fimc/fimc-core.c b/drivers/media/video/samsung-fimc/fimc-core.c new file mode 100644 index 0000000..a8556c2 --- /dev/null +++ b/drivers/media/video/samsung-fimc/fimc-core.c @@ -0,0 +1,1441 @@ +/* linux/drivers/media/video/samsung-fimc/fimc-core.c + * + * S5P camera interface (postprocessor) driver + * + * Copyright (c) 2010 Samsung Electronics + * + * 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 Foundiation. either version 2 of the License, + * or (at your option) any later version + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include "fimc-core.h" + + +static int s5p_fimc_prepare_addr(struct fimc_ctx *ctx, + struct fimc_vid_buffer *buf, enum v4l2_buf_type type); +static void queue_init(void *priv, struct videobuf_queue *vq, + enum v4l2_buf_type type); +static int s5p_fimc_prepare_config(struct fimc_ctx *ctx, u32 flags); + +static struct videobuf_queue_ops s5p_fimc_qops; + +static struct s5p_fimc_fmt formats[] = { + { + .name = "RGB565", + .fourcc = V4L2_PIX_FMT_RGB565X, + .depth = 16, + .color = S5P_FIMC_RGB565, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "RGB666", + .fourcc = V4L2_PIX_FMT_RGB666, + .depth = 32, + .color = S5P_FIMC_RGB666, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "XRGB-8-8-8-8, 24 bpp", + .fourcc = V4L2_PIX_FMT_RGB24, + .depth = 32, + .color = S5P_FIMC_RGB888, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, YCbYCr", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .color = S5P_FIMC_YCBYCR422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, CbYCrY", + .fourcc = V4L2_PIX_FMT_UYVY, + .depth = 16, + .color = S5P_FIMC_CBYCRY422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, CrYCbY", + .fourcc = V4L2_PIX_FMT_VYUY, + .depth = 16, + .color = S5P_FIMC_CRYCBY422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, YCrYCb", + .fourcc = V4L2_PIX_FMT_YVYU, + .depth = 16, + .color = S5P_FIMC_YCRYCB422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 planar, Y/Cb/Cr", + .fourcc = V4L2_PIX_FMT_YUV422P, + .depth = 12, + .color = S5P_FIMC_YCBCR422, + .buff_cnt = 1, + .planes_cnt = 3 + }, { + .name = "YUV 4:2:2 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV16, + .depth = 16, + .color = S5P_FIMC_YCBCR422, + .buff_cnt = 1, + .planes_cnt = 2 + }, { + .name = "YUV 4:2:2 planar, Y/CrCb", + .fourcc = V4L2_PIX_FMT_NV61, + .depth = 16, + .color = S5P_FIMC_RGB565, + .buff_cnt = 1, + .planes_cnt = 2 + }, { + .name = "YUV 4:2:0 planar, YCbCr", + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .color = S5P_FIMC_YCBCR420, + .buff_cnt = 1, + .planes_cnt = 3 + }, { + .name = "YUV 4:2:0 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV12, + .depth = 12, + .color = S5P_FIMC_YCBCR420, + .buff_cnt = 1, + .planes_cnt = 2 + } + }; + +static struct v4l2_queryctrl s5p_fimc_ctrls[] = { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Horizontal flip", + .minimum = 0, + .maximum = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Vertical flip", + .minimum = 0, + .maximum = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_ROTATE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Rotation (CCW)", + .minimum = 0, + .maximum = 270, + .step = 90, + .default_value = 0, + }, +}; + + +static struct v4l2_queryctrl *get_ctrl(int id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(s5p_fimc_ctrls); ++i) + if (id == s5p_fimc_ctrls[i].id) + return &s5p_fimc_ctrls[i]; + return NULL; +} + +static int s5p_fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) +{ + if (src >= tar * 64) { + return -EINVAL; + } else if (src >= tar * 32) { + *ratio = 32; + *shift = 5; + } else if (src >= tar * 16) { + *ratio = 16; + *shift = 4; + } else if (src >= tar * 8) { + *ratio = 8; + *shift = 3; + } else if (src >= tar * 4) { + *ratio = 4; + *shift = 2; + } else if (src >= tar * 2) { + *ratio = 2; + *shift = 1; + } else { + *ratio = 1; + *shift = 0; + } + + return 0; +} + +int s5p_fimc_set_scaler_info(struct fimc_ctx *ctx) +{ + struct fimc_scaler *sc = &ctx->scaler; + struct fimc_dma_offset *d_ofs = &ctx->s_frame.dma_offset; + int tx, ty, sx, sy; + int width, height, h_ofs, v_ofs; + int ret; + struct fimc_frame *src_frame = &ctx->s_frame; + struct fimc_frame *dst_frame = &ctx->d_frame; + + if (ctx->in_path == S5P_FIMC_DMA) { + if ((ctx->rotation == 90 || ctx->rotation == 270) + && ctx->out_path == S5P_FIMC_LCDFIFO) { + /* here we are using only the input rotator */ + width = src_frame->height; + height = src_frame->width; + h_ofs = d_ofs->y_v; + v_ofs = d_ofs->y_h; + } else { + width = src_frame->width; + height = src_frame->height; + h_ofs = d_ofs->y_h; + v_ofs = d_ofs->y_v; + } + } else { + width = src_frame->width; + height = src_frame->height; + h_ofs = d_ofs->y_h; + v_ofs = d_ofs->y_v; + } + + tx = dst_frame->width; + ty = dst_frame->height; + + if (tx <= 0 || ty <= 0) { + v4l2_err(&ctx->fimc_dev->v4l2_dev, + "invalid target size: %d %d", tx, ty); + return -EINVAL; + } + + sx = width; + sy = height; + + sc->real_width = width; + sc->real_height = height; + + if (sx <= 0 || sy <= 0) { + err("invalid source size: s: %d %d, t: %d %d", sx, sy, tx, ty); + return -EINVAL; + } + + dbg("sx= %d, sy= %d, tx= %d, ty= %d", sx, sy, tx, ty); + + ret = s5p_fimc_get_scaler_factor(sx, tx, + &sc->pre_hratio, &sc->hfactor); + if (ret) + return ret; + + ret = s5p_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; + + sc->main_hratio = (sx << 8) / (tx << sc->hfactor); + sc->main_vratio = (sy << 8) / (ty << sc->vfactor); + + dbg("sc->main_hratio= %d, sc->main_vratio= %d", + sc->main_hratio, sc->main_vratio); + dbg("sc->hfactor= %d, sc->vfactor= %d", sc->hfactor, 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 (src_frame->fmt->color == dst_frame->fmt->color + && src_frame->width == dst_frame->width + && src_frame->height == dst_frame->height) + sc->copy_mode = 1; + else + sc->copy_mode = 0; + + return 0; +} + +static void s5p_fimc_clear_irq(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_CIGCTRL); + cfg |= S5P_CIGCTRL_IRQ_CLR; + writel(cfg, dev->regs + S5P_CIGCTRL); +} + +static irqreturn_t s5p_fimc_isr(int irq, void *priv) +{ + struct fimc_ctx *ctx; + struct fimc_vid_buffer *src_buf, *dst_buf; + struct fimc_dev *dev = priv; + + BUG_ON(!dev); + + s5p_fimc_clear_irq(dev); + s5p_fimc_check_fifo(dev); + + ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev); + if (!ctx) + return IRQ_HANDLED; + + src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); + dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); + spin_lock(&dev->irqlock); + src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE; + wake_up(&src_buf->vb.done); + wake_up(&dst_buf->vb.done); + spin_unlock(&dev->irqlock); + v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx); + + return IRQ_HANDLED; +} + +static void s5p_fimc_dma_run(void *priv) +{ + struct fimc_ctx *ctx = priv; + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame; + u32 ret; + + if (!ctx || ctx->out_path != S5P_FIMC_DMA) + return; + + ctx->updated |= S5P_FIMC_SRC_ADDR | S5P_FIMC_DST_ADDR; + ret = s5p_fimc_prepare_config(ctx, ctx->updated); + if (ret) { + err("Wrong configuration"); + return; + } + + frame = &ctx->s_frame; + dbg("SRC: width= %d, height= %d, f_width= %d, f_height= %d " \ + "offs_h= %d, offs_v= %d", + frame->width, frame->height, + frame->f_width, frame->f_height, + frame->offs_h, frame->offs_v); + + frame = &ctx->d_frame; + dbg("DST: width= %d, height= %d, f_width= %d, f_height= %d " \ + "offs_h= %d, offs_v= %d", + frame->width, frame->height, + frame->f_width, frame->f_height, + frame->offs_h, frame->offs_v); + + s5p_fimc_set_input_addr(ctx); + + if (ctx->updated&S5P_FIMC_PARAMS) { + s5p_fimc_set_input_path(ctx); + + if (ctx->in_path == S5P_FIMC_DMA) + s5p_fimc_set_in_dma(ctx); + + if (s5p_fimc_set_scaler_info(ctx)) { + err("scaler configuration error"); + return; + } + s5p_fimc_set_prescaler(ctx); + s5p_fimc_set_scaler(ctx); + s5p_fimc_set_target_format(ctx); + s5p_fimc_set_effect(ctx); + } + + s5p_fimc_set_output_path(ctx); + if (ctx->updated & (S5P_FIMC_DST_ADDR | S5P_FIMC_PARAMS)) + s5p_fimc_set_output_addr(ctx); + + if (ctx->updated & S5P_FIMC_PARAMS) + s5p_fimc_set_out_dma(ctx); + + if (ctx->scaler.enabled) + s5p_fimc_start_scaler(ctx); + + s5p_fimc_en_capture(ctx); + + if (ctx->in_path == S5P_FIMC_DMA) + s5p_fimc_start_in_dma(dev); + + ctx->updated = 0; +} + +static void s5p_fimc_job_abort(void *priv) +{ + +} + +/* set order for 1 and 2 plane YCBCR 4:2:2 formats */ +static void s5p_fimc_set_yuv_order(struct fimc_ctx *ctx) +{ + /* the one only mode supported in SoC */ + ctx->in_order_2p = S5P_FIMC_LSB_CRCB; + ctx->out_order_2p = S5P_FIMC_LSB_CRCB; + + /* set order for 1 plane input formats */ + switch (ctx->s_frame.fmt->color) { + case S5P_FIMC_YCRYCB422: + ctx->in_order_1p = S5P_FIMC_IN_YCRYCB; + break; + case S5P_FIMC_CBYCRY422: + ctx->in_order_1p = S5P_FIMC_IN_CBYCRY; + break; + case S5P_FIMC_CRYCBY422: + ctx->in_order_1p = S5P_FIMC_IN_CRYCBY; + break; + case S5P_FIMC_YCBYCR422: + default: + ctx->in_order_1p = S5P_FIMC_IN_YCBYCR; + break; + } + + switch (ctx->d_frame.fmt->color) { + case S5P_FIMC_YCRYCB422: + ctx->out_order_1p = S5P_FIMC_OUT_YCRYCB; + break; + case S5P_FIMC_CBYCRY422: + ctx->out_order_1p = S5P_FIMC_OUT_CBYCRY; + break; + case S5P_FIMC_CRYCBY422: + ctx->out_order_1p = S5P_FIMC_OUT_CRYCBY; + break; + case S5P_FIMC_YCBYCR422: + default: + ctx->out_order_1p = S5P_FIMC_OUT_YCBYCR; + break; + } +} + +/** + * Calculate scaling coefficients, check dimensions, operation type + * and color mode. Return 0 if dimensions are valid, non zero otherwise. + */ +static int s5p_fimc_prepare_config(struct fimc_ctx *ctx, u32 flags) +{ + struct fimc_frame *src_frame, *dst_frame; + struct fimc_vid_buffer *buf = NULL; + int ret = 0; + u32 tmp; + + + src_frame = &ctx->s_frame; + dst_frame = &ctx->d_frame; + + if (flags & S5P_FIMC_PARAMS) { + if ((ctx->out_path == S5P_FIMC_DMA) && + (ctx->rotation == 90 || ctx->rotation == 270)) { + tmp = dst_frame->f_width; + dst_frame->f_width = dst_frame->f_height; + dst_frame->f_height = tmp; + tmp = dst_frame->width; + dst_frame->width = dst_frame->height; + dst_frame->height = tmp; + } + + /* prepare the output offset related attributes for scaler */ + dst_frame->dma_offset.y_h = dst_frame->offs_h + * (dst_frame->fmt->depth >> 3); + dst_frame->dma_offset.y_v = dst_frame->offs_v; + + dst_frame->dma_offset.cb_h = dst_frame->offs_h; + dst_frame->dma_offset.cb_v = dst_frame->offs_v; + + dst_frame->dma_offset.cr_h = dst_frame->offs_h; + dst_frame->dma_offset.cr_v = dst_frame->offs_v; + + if (dst_frame->fmt->planes_cnt == 3) { + dst_frame->dma_offset.cb_h /= 2; + dst_frame->dma_offset.cb_v /= 2; + dst_frame->dma_offset.cr_h /= 2; + dst_frame->dma_offset.cr_v /= 2; + } + + dbg("OUT OFFSET: color= %d, y_h= %d, y_v= %d", + dst_frame->fmt->color, + dst_frame->dma_offset.y_h, dst_frame->dma_offset.y_v); + + /* prepare the input offset related attributes for scaler */ + src_frame->dma_offset.y_h = src_frame->offs_h + * (src_frame->fmt->depth >> 3); + src_frame->dma_offset.y_v = src_frame->offs_v; + + src_frame->dma_offset.cb_h = src_frame->offs_h; + src_frame->dma_offset.cb_v = src_frame->offs_v; + + src_frame->dma_offset.cr_h = src_frame->offs_h; + src_frame->dma_offset.cr_v = src_frame->offs_v; + + if (src_frame->fmt->planes_cnt == 3) { + src_frame->dma_offset.cb_h /= 2; + src_frame->dma_offset.cb_v /= 2; + src_frame->dma_offset.cr_h /= 2; + src_frame->dma_offset.cr_v /= 2; + } + + dbg("IN OFFSET: color= %d, y_h= %d, y_v= %d", + src_frame->fmt->color, src_frame->dma_offset.y_h, + src_frame->dma_offset.y_v); + + s5p_fimc_set_yuv_order(ctx); + + /* Check against the scaler ratio */ + if (src_frame->height > SCALER_MAX_VRATIO*dst_frame->height || + src_frame->width > SCALER_MAX_HRATIO*dst_frame->width) { + err("Out of the scaler range"); + return -EINVAL; + } + } /* if (flags & S5P_FIMC_PARAMS) */ + + /* input DMA mode is not allowed when the scaler is disabled */ + ctx->scaler.enabled = 1; + + if (flags & (S5P_FIMC_SRC_ADDR)) { + buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + ret = s5p_fimc_prepare_addr(ctx, buf, + V4L2_BUF_TYPE_VIDEO_OUTPUT); + if (ret) + return ret; + } + + if (flags & (S5P_FIMC_DST_ADDR)) { + buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + ret = s5p_fimc_prepare_addr(ctx, buf, + V4L2_BUF_TYPE_VIDEO_CAPTURE); + } + + return ret; +} + +/* the color format (planes_cnt, buff_cnt) must be already configured */ +static int s5p_fimc_prepare_addr(struct fimc_ctx *ctx, + struct fimc_vid_buffer *buf, enum v4l2_buf_type type) +{ + int ret = 0; + struct fimc_frame *frame; + u32 pix_size; + + ctx_get_frame(frame, ctx, type); + + if (!buf) + return -EINVAL; + + pix_size = frame->width * frame->height; + + dbg("%d buff_cnt, planes_cnt= %d, frame->size= %d, pix_size= %d", + frame->fmt->buff_cnt, frame->fmt->planes_cnt, + frame->size, pix_size); + + + if (frame->fmt->buff_cnt == 1) { + frame->addr_y = videobuf_to_dma_contig(&buf->vb); + switch (frame->fmt->planes_cnt) { + case 1: + frame->addr_cb = 0; + frame->addr_cr = 0; + break; + case 2: + /* decompose Y into Y/Cb */ + frame->addr_cb = (u32)(frame->addr_y + pix_size); + frame->addr_cr = 0; + break; + case 3: + frame->addr_cb = (u32)(frame->addr_y + pix_size); + /* decompose Y into Y/Cb/Cr */ + if (frame->fmt->color == S5P_FIMC_YCBCR420) + frame->addr_cr = (u32)(frame->addr_cb + + (pix_size >> 2)); + else /* 422 */ + frame->addr_cr = (u32)(frame->addr_cb + + (pix_size >> 1)); + break; + default: + return -EINVAL; + } + } + + dbg("PHYS_ADDR: type= %d, y= 0x%X cb= 0x%X cr= 0x%X ret= %d", + type, frame->addr_y, frame->addr_cb, frame->addr_cr, ret); + + return ret; +} + +static void s5p_fimc_buf_release(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + videobuf_dma_contig_free(vq, vb); + vb->state = VIDEOBUF_NEEDS_INIT; +} + +static int s5p_fimc_buf_setup(struct videobuf_queue *vq, unsigned int *count, + unsigned int *size) +{ + struct fimc_ctx *ctx = vq->priv_data; + struct fimc_frame *frame; + + ctx_get_frame(frame, ctx, vq->type); + + *size = (frame->width * frame->height * frame->fmt->depth) >> 3; + if (*count == 0) + *count = 1; + return 0; +} + +static int s5p_fimc_buf_prepare(struct videobuf_queue *vq, + struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct fimc_ctx *ctx = vq->priv_data; + struct fimc_frame *frame; + int ret; + + ctx_get_frame(frame, ctx, vq->type); + + if (vb->baddr) { + if (vb->bsize < frame->size) { + v4l2_err(&ctx->fimc_dev->v4l2_dev, + "User-provided buffer too small (%d < %d)\n", + vb->bsize, frame->size); + WARN_ON(1); + return -EINVAL; + } + } else if (vb->state != VIDEOBUF_NEEDS_INIT + && vb->bsize < frame->size) { + return -EINVAL; + } + + vb->width = frame->width; + vb->height = frame->height; + vb->bytesperline = (frame->width * frame->fmt->depth) >> 3; + vb->size = frame->size; + vb->field = field; + + if (vb->state == VIDEOBUF_NEEDS_INIT) { + ret = videobuf_iolock(vq, vb, NULL); + if (ret) { + v4l2_err(&ctx->fimc_dev->v4l2_dev, + "Iolock failed\n"); + goto fail; + } + } + vb->state = VIDEOBUF_PREPARED; + + return 0; +fail: + s5p_fimc_buf_release(vq, vb); + return ret; +} + +static void s5p_fimc_buf_queue(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + struct fimc_ctx *ctx = vq->priv_data; + v4l2_m2m_buf_queue(ctx->m2m_ctx, vq, vb); +} + + +static struct videobuf_queue_ops s5p_fimc_qops = { + .buf_setup = s5p_fimc_buf_setup, + .buf_prepare = s5p_fimc_buf_prepare, + .buf_queue = s5p_fimc_buf_queue, + .buf_release = s5p_fimc_buf_release, +}; + +static int s5p_fimc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct fimc_ctx *ctx = file->private_data; + struct fimc_dev *dev = ctx->fimc_dev; + + strncpy(cap->driver, dev->pdev->name, sizeof(cap->driver) - 1); + strncpy(cap->card, dev->pdev->name, sizeof(cap->card) - 1); + cap->bus_info[0] = 0; + cap->version = KERNEL_VERSION(1, 0, 0); + cap->capabilities = V4L2_CAP_STREAMING | + V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT; + + return 0; +} + +static int s5p_fimc_enum_fmt(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct s5p_fimc_fmt *fmt; + + if (f->index >= ARRAY_SIZE(formats)) + return -EINVAL; + + fmt = &formats[f->index]; + strncpy(f->description, fmt->name, sizeof(f->description) - 1); + f->pixelformat = fmt->fourcc; + return 0; +} + +static int s5p_fimc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct fimc_ctx *ctx = priv; + struct fimc_frame *frame; + + ctx_get_frame(frame, ctx, f->type); + + f->fmt.pix.width = frame->width; + f->fmt.pix.height = frame->height; + f->fmt.pix.field = V4L2_FIELD_NONE; + f->fmt.pix.pixelformat = frame->fmt->fourcc; + + return 0; +} + +static struct s5p_fimc_fmt *find_format(struct v4l2_format *f) +{ + struct s5p_fimc_fmt *fmt; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); ++i) { + fmt = &formats[i]; + if (fmt->fourcc == f->fmt.pix.pixelformat) + break; + } + if (i == ARRAY_SIZE(formats)) + return NULL; + + return fmt; +} + +static int s5p_fimc_try_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct s5p_fimc_fmt *fmt; + struct fimc_ctx *ctx = priv; + struct fimc_dev *dev = ctx->fimc_dev; + struct v4l2_pix_format *pix = &f->fmt.pix; + u32 max_width, max_height; + u32 mod_x = 1; /* defaults for non-DMA mode */ + u32 mod_y = 1; + + + fmt = find_format(f); + if (!fmt) { + v4l2_err(&dev->v4l2_dev, "Fourcc format (0x%08x) invalid.\n", + pix->pixelformat); + return -EINVAL; + } + + if (pix->field == V4L2_FIELD_ANY) + pix->field = V4L2_FIELD_NONE; + else if (pix->field != V4L2_FIELD_NONE) + return -EINVAL; + + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { + max_width = dev->pldata->scaler_dis_w; + max_height = dev->pldata->scaler_dis_w; + } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + max_width = dev->pldata->out_rot_dis_w; + max_height = dev->pldata->out_rot_dis_w; + } else { + err("Wrong stream type (%d)", f->type); + return -EINVAL; + } + + dbg("max_w= %d, max_h= %d", max_width, max_height); + + if (pix->height > max_height) + pix->height = max_height; + if (pix->width > max_width) + pix->width = max_width; + + if (ctx->in_path == S5P_FIMC_DMA + || f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + mod_x = (DMA_MIN_SIZE - 1); + mod_y = (DMA_MIN_SIZE - 1); + } else { + mod_x = 1, mod_y = 1; + } + dbg("mod_x= 0x%X, mod_y= 0x%X", mod_x, mod_y); + + pix->width &= ~mod_x; + pix->height &= ~mod_y; + if (!pix->width) + pix->width = mod_x + 1; + if (!pix->height) + pix->height = mod_y + 1; + + if (!pix->bytesperline) { + pix->bytesperline = (pix->width * fmt->depth) >> 3; + } else { + u32 f_width = pix->bytesperline*8/fmt->depth; + if (f_width > max_width) + pix->bytesperline = (max_width * fmt->depth) >> 3; + } + + if (!pix->sizeimage) + pix->sizeimage = pix->height * pix->bytesperline; + + dbg("pix->bytesperline= %d, fmt->depth= %d", + pix->bytesperline, fmt->depth); + + return 0; +} + +static int s5p_fimc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct fimc_frame *frame; + struct v4l2_pix_format *pix; + struct videobuf_queue *src_vq = NULL, + *dst_vq = NULL; + struct fimc_ctx *ctx = priv; + int ret = 0; + + BUG_ON(!ctx); + + ret = s5p_fimc_try_fmt(file, priv, f); + if (ret) + return ret; + + mutex_lock(&ctx->lock); + + src_vq = v4l2_m2m_get_src_vq(ctx->m2m_ctx); + dst_vq = v4l2_m2m_get_dst_vq(ctx->m2m_ctx); + + mutex_lock(&src_vq->vb_lock); + mutex_lock(&dst_vq->vb_lock); + + if (videobuf_queue_is_busy(src_vq)) { + v4l2_err(&ctx->fimc_dev->v4l2_dev, "%s queue busy\n", __func__); + ret = -EBUSY; + goto s_fmt_out; + } + + if (videobuf_queue_is_busy(dst_vq)) { + v4l2_err(&ctx->fimc_dev->v4l2_dev, "%s queue busy\n", __func__); + ret = -EBUSY; + goto s_fmt_out; + } + + ctx_get_frame(frame, ctx, f->type); + + pix = &f->fmt.pix; + frame->fmt = find_format(f); + if (!frame->fmt) { + ret = -EINVAL; + goto s_fmt_out; + } + + dbg("depth=%d, bytesperline=%d", frame->fmt->depth, pix->bytesperline); + + frame->width = pix->width; + frame->height = pix->height; + + frame->f_width = pix->bytesperline*8/frame->fmt->depth; + frame->f_height = pix->sizeimage/pix->bytesperline; + + frame->o_width = pix->width; + frame->o_height = pix->height; + frame->offs_h = 0; + frame->offs_v = 0; + frame->size = (pix->width * pix->height * frame->fmt->depth) >> 3; + ctx->updated |= S5P_FIMC_PARAMS; + src_vq->field = dst_vq->field = pix->field; + + dbg("f_width= %d, f_height= %d", frame->f_width, frame->f_height); + +s_fmt_out: + mutex_unlock(&dst_vq->vb_lock); + mutex_unlock(&src_vq->vb_lock); + mutex_unlock(&ctx->lock); + return ret; +} + +static int s5p_fimc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *reqbufs) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); +} + +static int s5p_fimc_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); +} + +static int s5p_fimc_qbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); +} + +static int s5p_fimc_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); +} + +static int s5p_fimc_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); +} + +static int s5p_fimc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); +} + +static int s5p_fimc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + struct v4l2_queryctrl *c; + c = get_ctrl(qc->id); + if (!c) + return -EINVAL; + *qc = *c; + return 0; +} + +static int s5p_fimc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct fimc_ctx *ctx = priv; + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + ctrl->value = (FLIP_X_AXIS & ctx->flip) ? 1 : 0; + break; + case V4L2_CID_VFLIP: + ctrl->value = (FLIP_Y_AXIS & ctx->flip) ? 1 : 0; + break; + case V4L2_CID_ROTATE: + ctrl->value = ctx->rotation; + break; + default: + v4l2_err(&ctx->fimc_dev->v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + dbg("ctrl->value= %d", ctrl->value); + + return 0; +} + +static int check_ctrl_val(struct fimc_ctx *ctx, + struct v4l2_control *ctrl) +{ + struct v4l2_queryctrl *c; + c = get_ctrl(ctrl->id); + if (!c) + return -EINVAL; + + if (ctrl->value < c->minimum || ctrl->value > c->maximum + || (c->step && (ctrl->value % c->step))) { + v4l2_err(&ctx->fimc_dev->v4l2_dev, "Invalid control value\n"); + return -ERANGE; + } + + return 0; +} + +static int s5p_fimc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct fimc_ctx *ctx = priv; + struct s5p_platform_fimc *pldata = ctx->fimc_dev->pldata; + int ret = 0; + + ret = check_ctrl_val(ctx, ctrl); + if (ret) + return ret; + + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + if (ctrl->value) + ctx->flip |= FLIP_X_AXIS; + else + ctx->flip &= ~FLIP_X_AXIS; + break; + + case V4L2_CID_VFLIP: + if (ctrl->value) + ctx->flip |= FLIP_Y_AXIS; + else + ctx->flip &= ~FLIP_Y_AXIS; + break; + + case V4L2_CID_ROTATE: + if (ctrl->value == 90 || ctrl->value == 270) { + /* use input rotator in LCDFIFO output mode only */ + if (ctx->out_path == S5P_FIMC_LCDFIFO) { + if (!(pldata->capability & S5P_FIMC_IN_ROT)) + return -EINVAL; + } /* in DMA/ out DMA case */ + else if (ctx->in_path == S5P_FIMC_DMA && + !(pldata->capability & S5P_FIMC_OUT_ROT)) + return -EINVAL; + } + + ctx->rotation = ctrl->value; + if (ctrl->value == 180) + ctx->flip = FLIP_XY_AXIS; + break; + + default: + v4l2_err(&ctx->fimc_dev->v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + + ctx->updated |= S5P_FIMC_PARAMS; + return 0; +} + + +static int s5p_fimc_cropcap(struct file *file, void *fh, + struct v4l2_cropcap *cr) +{ + struct fimc_frame *frame; + struct fimc_ctx *ctx = fh; + if (!ctx) { + WARN_ON(1); + return -ENOENT; + } + + ctx_get_frame(frame, ctx, cr->type); + + cr->bounds.left = 0; + cr->bounds.top = 0; + cr->bounds.width = frame->f_width; + cr->bounds.height = frame->f_height; + cr->defrect.left = frame->offs_h; + cr->defrect.top = frame->offs_v; + cr->defrect.width = frame->o_width; + cr->defrect.height = frame->o_height; + return 0; +} + +static int s5p_fimc_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) +{ + struct fimc_frame *frame; + struct fimc_ctx *ctx = file->private_data; + + if (!ctx) { + WARN_ON(1); + return -ENOENT; + } + + ctx_get_frame(frame, ctx, cr->type); + + cr->c.left = frame->offs_h; + cr->c.top = frame->offs_v; + cr->c.width = frame->width; + cr->c.height = frame->height; + + return 0; +} + +static int s5p_fimc_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) +{ + struct fimc_frame *f; + struct fimc_ctx *ctx = file->private_data; + struct fimc_dev *dev = ctx->fimc_dev; + + if (cr->c.top < 0 || cr->c.left < 0) { + v4l2_err(&dev->v4l2_dev, + "doesn't support negative values for top & left\n"); + return -EINVAL; + } + + ctx_get_frame(f, ctx, cr->type); + + dbg("%d %d %d %d f_w= %d, f_h= %d", + cr->c.left, cr->c.top, cr->c.width, cr->c.height, + f->f_width, f->f_height); + + /* adjust to pixel boundary */ + cr->c.width = cr->c.width & ~PIX_ALIGN_MASK; + cr->c.height = cr->c.height & ~PIX_ALIGN_MASK; + if (!cr->c.width) + cr->c.width = DMA_MIN_SIZE; + if (!cr->c.height) + cr->c.height = DMA_MIN_SIZE; + cr->c.left = ((cr->c.left + PIX_ALIGN_MASK - 1) & ~PIX_ALIGN_MASK); + cr->c.top = ((cr->c.top + PIX_ALIGN_MASK - 1) & ~PIX_ALIGN_MASK); + + if ((cr->c.left + cr->c.width > f->o_width) + || (cr->c.top + cr->c.height > f->o_height)) { + v4l2_err(&dev->v4l2_dev, "Error in S_CROP params\n"); + dbg("%d %d %d %d. %d %d", + cr->c.left, cr->c.top, cr->c.width, cr->c.height, + f->o_width, f->o_height); + return -EINVAL; + } + + /* check for the pixel scaling ratio when cropping input image */ + if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { + if (f->width > (SCALER_MAX_HRATIO*ctx->d_frame.width) || + f->height > (SCALER_MAX_VRATIO*ctx->d_frame.height)) { + v4l2_err(&dev->v4l2_dev, "Out of the scaler range"); + return -EINVAL; + } + } + + f->offs_h = cr->c.left; + f->offs_v = cr->c.top; + f->width = cr->c.width; + f->height = cr->c.height; + return 0; +} + +static const struct v4l2_ioctl_ops s5p_fimc_ioctl_ops = { + .vidioc_querycap = s5p_fimc_querycap, + + .vidioc_enum_fmt_vid_cap = s5p_fimc_enum_fmt, + .vidioc_enum_fmt_vid_out = s5p_fimc_enum_fmt, + + .vidioc_g_fmt_vid_cap = s5p_fimc_g_fmt, + .vidioc_g_fmt_vid_out = s5p_fimc_g_fmt, + + .vidioc_try_fmt_vid_cap = s5p_fimc_try_fmt, + .vidioc_try_fmt_vid_out = s5p_fimc_try_fmt, + + .vidioc_s_fmt_vid_cap = s5p_fimc_s_fmt, + .vidioc_s_fmt_vid_out = s5p_fimc_s_fmt, + + .vidioc_reqbufs = s5p_fimc_reqbufs, + .vidioc_querybuf = s5p_fimc_querybuf, + + .vidioc_qbuf = s5p_fimc_qbuf, + .vidioc_dqbuf = s5p_fimc_dqbuf, + + .vidioc_streamon = s5p_fimc_streamon, + .vidioc_streamoff = s5p_fimc_streamoff, + + .vidioc_queryctrl = s5p_fimc_queryctrl, + .vidioc_g_ctrl = s5p_fimc_g_ctrl, + .vidioc_s_ctrl = s5p_fimc_s_ctrl, + + .vidioc_g_crop = s5p_fimc_g_crop, + .vidioc_s_crop = s5p_fimc_s_crop, + .vidioc_cropcap = s5p_fimc_cropcap + +}; + +static void queue_init(void *priv, struct videobuf_queue *vq, + enum v4l2_buf_type type) +{ + struct fimc_ctx *ctx = priv; + struct fimc_dev *dev = ctx->fimc_dev; + + videobuf_queue_dma_contig_init(vq, &s5p_fimc_qops, dev->v4l2_dev.dev, + &dev->irqlock, type, V4L2_FIELD_NONE, + sizeof(struct fimc_vid_buffer), priv); +} + +static int s5p_fimc_open(struct file *file) +{ + struct fimc_dev *dev = video_drvdata(file); + struct fimc_ctx *ctx = NULL; + int err; + + ctx = kzalloc(sizeof *ctx, GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + file->private_data = ctx; + ctx->fimc_dev = dev; + /* default format */ + ctx->s_frame.fmt = &formats[0]; + ctx->d_frame.fmt = &formats[0]; + /* per user process device context initialization */ + ctx->updated = 0; + ctx->effect.type = S5P_FIMC_EFFECT_ORIGINAL; + ctx->flags = 0; + ctx->in_path = S5P_FIMC_DMA; + ctx->out_path = S5P_FIMC_DMA; + mutex_init(&ctx->lock); + + ctx->m2m_ctx = v4l2_m2m_ctx_init(ctx, dev->m2m_dev, queue_init); + + if (IS_ERR(ctx->m2m_ctx)) { + err = PTR_ERR(ctx->m2m_ctx); + kfree(ctx); + return err; + } + + return 0; +} + +static int s5p_fimc_release(struct file *file) +{ + struct fimc_ctx *ctx = + (struct fimc_ctx *)file->private_data; + + v4l2_m2m_ctx_release(ctx->m2m_ctx); + kfree(ctx); + return 0; +} + +static unsigned int s5p_fimc_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct fimc_ctx *ctx = file->private_data; + return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); +} + + +static int s5p_fimc_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct fimc_ctx *ctx = file->private_data; + return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); +} + +static const struct v4l2_file_operations s5p_fimc_fops = { + .owner = THIS_MODULE, + .open = s5p_fimc_open, + .release = s5p_fimc_release, + .poll = s5p_fimc_poll, + .ioctl = video_ioctl2, + .mmap = s5p_fimc_mmap, +}; + +static struct v4l2_m2m_ops m2m_ops = { + .device_run = s5p_fimc_dma_run, + .job_abort = s5p_fimc_job_abort, +}; + + +static int s5p_fimc_probe(struct platform_device *pdev) +{ + struct resource *res; + struct video_device *vfd; + struct fimc_dev *dev; + int ret = 0; + struct clk *pclk; + + + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "platform_data is not set\n"); + return -ENOENT; + } + + dev = kzalloc(sizeof(struct fimc_dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + dev->id = pdev->id; + dev->pdev = pdev; + dev->pldata = pdev->dev.platform_data; + + spin_lock_init(&dev->irqlock); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to find the registers\n"); + ret = -ENOENT; + goto err_info; + } + + dev->regs_res = request_mem_region(res->start, resource_size(res), + dev_name(&pdev->dev)); + if (!dev->regs_res) { + dev_err(&pdev->dev, "failed to obtain register region\n"); + ret = -ENOENT; + goto err_info; + } + + dev->regs = ioremap(res->start, resource_size(res)); + if (!dev->regs) { + dev_err(&pdev->dev, "failed to map registers\n"); + ret = -ENXIO; + goto err_req_region; + } + + /* FIMC parent clock */ + pclk = clk_get(&pdev->dev, dev->pldata->srclk_name); + if (IS_ERR(pclk)) { + dev_err(&pdev->dev, "failed to get source clock of fimc\n"); + goto err_regs_unmap; + } + + /* FIMC clock */ + dev->clock = clk_get(&pdev->dev, "fimc"); + if (IS_ERR(dev->clock)) { + dev_err(&pdev->dev, "failed to get fimc clock source\n"); + goto err_clk2; + } + + ret = clk_set_parent(dev->clock, pclk); + if (ret) + goto err_clk; + + /* set FIMC local clock rate */ + clk_set_rate(dev->clock, dev->pldata->clockrate); + clk_enable(dev->clock); + clk_put(pclk); + + /* IRQ */ + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get IRQ resource\n"); + ret = -ENXIO; + goto err_clk; + } + dev->irq = res->start; + + s5p_fimc_reset(dev); + + ret = request_irq(dev->irq, s5p_fimc_isr, 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, "failed to install irq (%d)\n", ret); + goto err_clk; + } + + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); + if (ret) + goto err_irq; + + vfd = video_device_alloc(); + if (!vfd) { + v4l2_err(&dev->v4l2_dev, "Failed to allocate video device\n"); + goto err_unreg_dev; + } + + if ((u32)dev->id >= MAX_FIMC_DEVICES) + goto err_unreg_dev; + + vfd->fops = &s5p_fimc_fops; + vfd->ioctl_ops = &s5p_fimc_ioctl_ops; + vfd->minor = -1; + vfd->release = video_device_release; + + snprintf(vfd->name, sizeof(vfd->name), "%s%d", MODULE_NAME, dev->id); + + ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); + if (ret) { + v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); + goto err_rel_vdev; + } + video_set_drvdata(vfd, dev); + dev->vfd = vfd; + v4l2_info(&dev->v4l2_dev, "Device registered as /dev/video%d\n", + vfd->num); + + platform_set_drvdata(pdev, dev); + dev->m2m_dev = v4l2_m2m_init(&m2m_ops); + if (IS_ERR(dev->m2m_dev)) { + v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n"); + ret = PTR_ERR(dev->m2m_dev); + goto err_m2m; + } + + s5p_fimc_en_lastirq(dev, 1); + + return 0; + +err_m2m: + video_unregister_device(dev->vfd); +err_rel_vdev: + video_device_release(vfd); +err_unreg_dev: + v4l2_device_unregister(&dev->v4l2_dev); +err_irq: + free_irq(dev->irq, dev); +err_clk: + clk_disable(dev->clock); + clk_put(dev->clock); +err_clk2: + clk_put(pclk); +err_regs_unmap: + iounmap(dev->regs); +err_req_region: + release_resource(dev->regs_res); + kfree(dev->regs_res); +err_info: + dev_err(&pdev->dev, "failed to install\n"); + return ret; +} + +static int __devexit s5p_fimc_remove(struct platform_device *pdev) +{ + struct fimc_dev *dev = platform_get_drvdata(pdev); + + v4l2_info(&dev->v4l2_dev, "Removing %s\n", pdev->name); + + free_irq(dev->irq, dev); + + s5p_fimc_reset(dev); + v4l2_m2m_release(dev->m2m_dev); + video_unregister_device(dev->vfd); + v4l2_device_unregister(&dev->v4l2_dev); + + iounmap(dev->regs); + release_resource(dev->regs_res); + kfree(dev->regs_res); + kfree(dev); + return 0; +} + +static struct platform_driver s5p_fimc_driver = { + .probe = s5p_fimc_probe, + .remove = __devexit_p(s5p_fimc_remove), + .driver = { + .name = "s5p-fimc", + .owner = THIS_MODULE, + } +}; + +static char banner[] __initdata = KERN_INFO \ + "S5P Camera Interface V4L2 Driver, (c) 2010 Samsung Electronics\n"; + +static int __init s5p_fimc_init(void) +{ + u32 ret; + printk(banner); + + ret = platform_driver_register(&s5p_fimc_driver); + if (ret) + printk(KERN_ERR "FIMC platform driver register failed\n"); + return ret; +} + +static void __exit s5p_fimc_exit(void) +{ + platform_driver_unregister(&s5p_fimc_driver); +} + +module_init(s5p_fimc_init); +module_exit(s5p_fimc_exit); + +MODULE_AUTHOR("Sylwester Nawrocki "); +MODULE_DESCRIPTION("S5P FIMC (video postprocessor) driver"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/media/video/samsung-fimc/fimc-core.h b/drivers/media/video/samsung-fimc/fimc-core.h new file mode 100644 index 0000000..7cfb24c --- /dev/null +++ b/drivers/media/video/samsung-fimc/fimc-core.h @@ -0,0 +1,345 @@ +/* + * drivers/media/video/samsung-fimc/fimc-core.h + * + * Copyright (c) 2010 Samsung Electronics + * + * 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 version 2 as + * published by the Free Software Foundation. + */ + +#ifndef FIMC_CORE_H_ +#define FIMC_CORE_H_ + +#include +#include +#include +#include +#include +#include + + +#define err(fmt, args...) \ + printk(KERN_ERR "%s:%d: " fmt "\n", __func__, __LINE__, ##args) + +#ifdef DEBUG +#define dbg(fmt, args...) \ + printk(KERN_DEBUG "%s:%d: " fmt "\n", __func__, __LINE__, ##args) +#else +#define dbg(fmt, args...) +#endif + + +#define ctx_get_frame(frame, ctx, type) do { \ + if (V4L2_BUF_TYPE_VIDEO_OUTPUT == (type)) \ + frame = &(ctx)->s_frame; \ + else if (V4L2_BUF_TYPE_VIDEO_CAPTURE == (type)) \ + frame = &(ctx)->d_frame; \ + else { \ + v4l2_err(&(ctx)->fimc_dev->v4l2_dev, \ + "Wrong buffer/video queue type (%d)\n", type); \ + return -EINVAL; \ + } \ +} while (0) + + +#define MODULE_NAME "s5p-fimc" +#define MAX_FIMC_DEVICES 3 +#define S5P_FIMC_MAX_FRAMES 4 +#define DMA_MIN_SIZE 16 +#define SCALER_MAX_HRATIO 64 +#define SCALER_MAX_VRATIO 64 +#define PIX_ALIGN_MASK (DMA_MIN_SIZE - 1) + +#define S5P_FIMC_CHANGED_NONE 0 +#define S5P_FIMC_PARAMS (1 << 0) +#define S5P_FIMC_SRC_ADDR (1 << 1) +#define S5P_FIMC_DST_ADDR (1 << 2) + + +enum fimc_datapath { + S5P_FIMC_ITU_CAM_A, + S5P_FIMC_ITU_CAM_B, + S5P_FIMC_MIPI_CAM, + S5P_FIMC_DMA, + S5P_FIMC_LCDFIFO, + S5P_FIMC_WRITEBACK +}; + +enum fimc_color_fmt { + S5P_FIMC_RGB565, + S5P_FIMC_RGB666, + S5P_FIMC_RGB888, + S5P_FIMC_YCBCR420, + S5P_FIMC_YCBCR422, + S5P_FIMC_YCBYCR422, + S5P_FIMC_YCRYCB422, + S5P_FIMC_CBYCRY422, + S5P_FIMC_CRYCBY422, + S5P_FIMC_RGB30_LOCAL, + S5P_FIMC_YCBCR444_LOCAL, + S5P_FIMC_MAX_COLOR = S5P_FIMC_YCBCR444_LOCAL, + S5P_FIMC_COLOR_MASK = 0x0F, +}; + +/* Y/Cb/Cr components order at DMA output for 1 plane YCbCr 4:2:2 formats */ +#define S5P_FIMC_OUT_CRYCBY S5P_CIOCTRL_ORDER422_CRYCBY +#define S5P_FIMC_OUT_CBYCRY S5P_CIOCTRL_ORDER422_YCRYCB +#define S5P_FIMC_OUT_YCRYCB S5P_CIOCTRL_ORDER422_CBYCRY +#define S5P_FIMC_OUT_YCBYCR S5P_CIOCTRL_ORDER422_YCBYCR + +/* Input Y/Cb/Cr components order for 1 plane YCbCr 4:2:2 color formats */ +#define S5P_FIMC_IN_CRYCBY S5P_MSCTRL_ORDER422_CRYCBY +#define S5P_FIMC_IN_CBYCRY S5P_MSCTRL_ORDER422_YCRYCB +#define S5P_FIMC_IN_YCRYCB S5P_MSCTRL_ORDER422_CBYCRY +#define S5P_FIMC_IN_YCBYCR S5P_MSCTRL_ORDER422_YCBYCR + +/* Cb/Cr chrominance components order for 2 plane Y/CbCr 4:2:2 formats */ +#define S5P_FIMC_LSB_CRCB S5P_CIOCTRL_ORDER422_2P_LSB_CRCB + +/* The embedded image effect selection */ +#define S5P_FIMC_EFFECT_ORIGINAL S5P_CIIMGEFF_FIN_BYPASS +#define S5P_FIMC_EFFECT_ARBITRARY S5P_CIIMGEFF_FIN_ARBITRARY +#define S5P_FIMC_EFFECT_NEGATIVE S5P_CIIMGEFF_FIN_NEGATIVE +#define S5P_FIMC_EFFECT_ARTFREEZE S5P_CIIMGEFF_FIN_ARTFREEZE +#define S5P_FIMC_EFFECT_EMBOSSING S5P_CIIMGEFF_FIN_EMBOSSING +#define S5P_FIMC_EFFECT_SIKHOUETTE S5P_CIIMGEFF_FIN_SILHOUETTE + + +/* Definitions for flags field in struct fimc_ctx */ +#define IN_DMA_ACCESS_LINEAR 0 /* default */ +#define IN_DMA_ACCESS_TILED (1 << 0) +#define OUT_DMA_ACCESS_LINEAR (0 << 1) +#define OUT_DMA_ACCESS_TILED (1 << 1) +#define SCAN_MODE_PROGRESSIVE (0 << 2) +#define SCAN_MODE_INTERLACED (1 << 2) +/* YCbCr data dynamic range selection for the RGB <-> YCBCR color space + * conversion. Y/Cb/Cr (0 ~ 255) : Wide default */ +#define S5P_FIMC_COLOR_RANGE_WIDE (0 << 3) +/* Y (16 ~ 235), Cb/Cr (16 ~ 240) : Narrow */ +#define S5P_FIMC_COLOR_RANGE_NARROW (1 << 3) + +#define FLIP_ORIGINAL 0 +#define FLIP_X_AXIS 0x01 +#define FLIP_Y_AXIS 0x02 +#define FLIP_XY_AXIS (FLIP_X_AXIS | FLIP_Y_AXIS) + +/** + * struct fimc_dma_offset + * @y_h: y value horizontal offset + * @y_v: y value vertical offset + * @cb_h: cb value horizontal offset + * @cb_v: cb value vertical offset + * @cr_h: cr value horizontal offset + * @cr_v: cr value vertical offset + */ +struct fimc_dma_offset { + int y_h; + int y_v; + int cb_h; + int cb_v; + int cr_h; + int cr_v; +}; + +/** + * struct s5p_fimc_effect + * @type: effect type + * @pat_cb: cr value when type is "arbitrary" + * @pat_cr: cr value when type is "arbitrary" + */ +struct fimc_effect { + u32 type; + u8 pat_cb; + u8 pat_cr; +}; + +/** + * struct fimc_scaler + * @enabled: flag indicating whether the scaler is used or not + * @hfactor: horizontal shift factor + * @vfactor: vertical shift factor + * @pre_hratio: prescaler horizontal ratio + * @pre_vratio: prescaler vertical ratio + * @pre_dst_width: prescaler destination width + * @pre_dst_height: pre-scaler destination height + * @scaleup_h: flag indicating scaling up horizontally + * @scaleup_v: flag indicating scaling up vertically + * @main_hratio: main scaler horizontal ratio + * @main_vratio: main scaler vertical ratio + * @real_width: src_width - offset + * @real_height: src_height - offset + * @copy_mode: flag indicating one to one mode, i.e. no scaling + * and color format conversion + */ +struct fimc_scaler { + u32 enabled; + u32 hfactor; + u32 vfactor; + u32 pre_hratio; + u32 pre_vratio; + u32 pre_dst_width; + u32 pre_dst_height; + u32 scaleup_h; + u32 scaleup_v; + u32 main_hratio; + u32 main_vratio; + u32 real_width; + u32 real_height; + u32 copy_mode; +}; + +/** + * struct fimc_frame - input/output frame format properties + * @f_width: image full width (virtual screen size) + * @f_height: image full height (virtual screen size) + * @o_width: original image width as set by S_FMT + * @o_height: original image height as set by S_FMT + * @offs_h: image horizontal pixel offset + * @offs_v: image vertical pixel offset + * @width: image pixel width + * @height: image pixel weight + * @addr_y: RGB/Y physical address + * @addr_cb: CB physical address + * @addr_cr: CR physical addres + * @buf_cnt: number of buffers depending on a color format + * @size: image size in bytes + * @color: color format + * @dma_offset: DMA offset in bytes + */ +struct fimc_frame { + u32 f_width; + u32 f_height; + u32 o_width; + u32 o_height; + u32 offs_h; + u32 offs_v; + u32 width; + u32 height; + u32 addr_y; + u32 addr_cb; + u32 addr_cr; + u32 size; + struct fimc_dma_offset dma_offset; + struct s5p_fimc_fmt *fmt; +}; + + +struct fimc_vid_buffer { + struct videobuf_buffer vb; + int index; +}; + +struct s5p_fimc_fmt { + char *name; + u32 fourcc; + u32 color; + u32 depth; + /* Number of data planes used */ + u16 buff_cnt; + u16 planes_cnt; +}; + +struct fimc_ctx; + +/** + * struct fimc_subdev: abstraction for a FIMC entity + * @pdev: a pointer to the FIMC platform device + * @pldata: a pointer to the device platform data + * @id: the FIMC device index (0..2) + * @clock: + * @regs: + * @regs_res: + * @mem_res: + * @irq: interrupt number of the FIMC subdevice + * @irqlock: spinlock protecting videbuffer queue + * @timer: + * @vfd: + * @v4l2_dev: + * @m2m_dev: + */ +struct fimc_dev { + struct platform_device *pdev; + struct s5p_platform_fimc *pldata; + int id; + struct clk *clock; + void __iomem *regs; + struct resource *regs_res; + struct resource *mem_res; + int irq; + spinlock_t irqlock; + struct video_device *vfd; + struct v4l2_device v4l2_dev; + struct v4l2_m2m_dev *m2m_dev; +}; + + +/** + * fimc_ctx - the device context data structure + * @lock: mutex protecting the context data + * @s_frame: source frame properties + * @d_frame: destination frame properties + * @osd: osd (output) window parameters + * @out_order_1p: output 1-plane YCBCR order + * @out_order_2p: output 2-plane YCBCR order + * @in_order_1p input 1-plane YCBCR order + * @in_order_2p: input 2-plane YCBCR order + * @in_path: input mode + * @out_path: output mode + * @scaler: image scaler properties + * @effect: image effect + * @rotation: image clockwise rotation in degrees + * @flip: image flip mode + * @flags: device state flags + * @updated: flags variable to keep track of user configurable + * parameters (ioctl) + * @fimc_dev: fimc device related to the context + * @m2m_ctx: memory-to-memory device context + */ +struct fimc_ctx { + spinlock_t slock; + struct mutex lock; + struct fimc_frame s_frame; + struct fimc_frame d_frame; + u32 out_order_1p; + u32 out_order_2p; + u32 in_order_1p; + u32 in_order_2p; + enum fimc_datapath in_path; + enum fimc_datapath out_path; + struct fimc_scaler scaler; + struct fimc_effect effect; + int rotation; + u32 flip; + u32 flags; + u32 updated; + struct fimc_dev *fimc_dev; + struct v4l2_m2m_ctx *m2m_ctx; +}; + +int s5p_fimc_set_scaler_info(struct fimc_ctx *ctx); +int s5p_fimc_check_fifo(struct fimc_dev *dev); +void s5p_fimc_reset(struct fimc_dev *dev); +void s5p_fimc_set_target_format(struct fimc_ctx *ctx); +void s5p_fimc_set_out_dma(struct fimc_ctx *ctx); +void s5p_fimc_en_lastirq(struct fimc_dev *dev, int enable); +void s5p_fimc_en_irq(struct fimc_dev *dev, int enable); +void s5p_fimc_en_autoload(struct fimc_ctx *ctx, int enable); +void s5p_fimc_set_prescaler(struct fimc_ctx *ctx); +void s5p_fimc_set_scaler(struct fimc_ctx *ctx); +void s5p_fimc_start_scaler(struct fimc_ctx *ctx); +void s5p_fimc_stop_scaler(struct fimc_ctx *ctx); +void s5p_fimc_en_capture(struct fimc_ctx *ctx); +void s5p_fimc_dis_capture(struct fimc_ctx *ctx); +void s5p_fimc_set_effect(struct fimc_ctx *ctx); +void s5p_fimc_set_in_dma(struct fimc_ctx *ctx); +void s5p_fimc_start_in_dma(struct fimc_dev *dev); +void s5p_fimc_stop_in_dma(struct fimc_dev *dev); +void s5p_fimc_set_input_path(struct fimc_ctx *ctx); +void s5p_fimc_set_output_path(struct fimc_ctx *ctx); +void s5p_fimc_set_input_addr(struct fimc_ctx *ctx); +void s5p_fimc_set_output_addr(struct fimc_ctx *ctx); + +#endif /* FIMC_CORE_H_ */ diff --git a/drivers/media/video/samsung-fimc/fimc-reg.c b/drivers/media/video/samsung-fimc/fimc-reg.c new file mode 100644 index 0000000..2e8c7db --- /dev/null +++ b/drivers/media/video/samsung-fimc/fimc-reg.c @@ -0,0 +1,560 @@ +/* linux/drivers/media/video/samsung-fimc/fimc-core.h + * + * Register interface file for Samsung Camera Interface (FIMC) driver + * + * Copyright (c) 2010 Samsung Electronics + * + * 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 version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include "fimc-core.h" + + +int s5p_fimc_check_fifo(struct fimc_dev *ctrl) +{ + u32 cfg, status; + + status = readl(ctrl->regs + S5P_CISTATUS); + + if ((S5P_CISTATUS_OVFIY | S5P_CISTATUS_OVFICB | S5P_CISTATUS_OVFICR) + & status) { + cfg = readl(ctrl->regs + S5P_CIWDOFST); + cfg |= (S5P_CIWDOFST_CLROVFIY | S5P_CIWDOFST_CLROVFICB + | S5P_CIWDOFST_CLROVFICR); + writel(cfg, ctrl->regs + S5P_CIWDOFST); + + cfg = readl(ctrl->regs + S5P_CIWDOFST); + cfg &= ~(S5P_CIWDOFST_CLROVFIY | S5P_CIWDOFST_CLROVFICB + | S5P_CIWDOFST_CLROVFICR); + writel(cfg, ctrl->regs + S5P_CIWDOFST); + } + + return 0; +} + +void s5p_fimc_reset(struct fimc_dev *dev) +{ + u32 cfg; + + cfg = readl(dev->regs + S5P_CISRCFMT); + cfg |= S5P_CISRCFMT_ITU601_8BIT; + writel(cfg, dev->regs + S5P_CISRCFMT); + + /* sw reset */ + cfg = readl(dev->regs + S5P_CIGCTRL); + cfg |= (S5P_CIGCTRL_SWRST | S5P_CIGCTRL_IRQ_LEVEL); + writel(cfg, dev->regs + S5P_CIGCTRL); + mdelay(1); + + cfg = readl(dev->regs + S5P_CIGCTRL); + cfg &= ~S5P_CIGCTRL_SWRST; + writel(cfg, dev->regs + S5P_CIGCTRL); + +} + +static void s5p_fimc_set_rot90(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_CITRGFMT); + + cfg &= ~(S5P_CITRGFMT_INROT90_CLOCKWISE | + S5P_CITRGFMT_OUTROT90_CLOCKWISE); + + /* The input and output rotator cannot work simultaneously, + in input DMA mode only the output rotator shall be used. */ + if (ctx->out_path == S5P_FIMC_LCDFIFO) + cfg |= S5P_CITRGFMT_INROT90_CLOCKWISE; + else + cfg |= S5P_CITRGFMT_OUTROT90_CLOCKWISE; + + writel(cfg, dev->regs + S5P_CITRGFMT); +} + +static u32 s5p_fimc_get_in_flip(struct fimc_ctx *ctx) +{ + u32 flip = S5P_MSCTRL_FLIP_NORMAL; + + switch (ctx->flip) { + case FLIP_X_AXIS: + flip = S5P_MSCTRL_FLIP_X_MIRROR; + break; + case FLIP_Y_AXIS: + flip = S5P_MSCTRL_FLIP_Y_MIRROR; + break; + case FLIP_XY_AXIS: + flip = S5P_MSCTRL_FLIP_180; + break; + } + + return flip; +} + +static u32 s5p_fimc_get_target_flip(struct fimc_ctx *ctx) +{ + u32 flip = S5P_CITRGFMT_FLIP_NORMAL; + + switch (ctx->flip) { + case FLIP_X_AXIS: + flip = S5P_CITRGFMT_FLIP_X_MIRROR; + break; + case FLIP_Y_AXIS: + flip = S5P_CITRGFMT_FLIP_Y_MIRROR; + break; + case FLIP_XY_AXIS: + flip = S5P_CITRGFMT_FLIP_180; + break; + } + return flip; +} + +void s5p_fimc_set_target_format(struct fimc_ctx *ctx) +{ + u32 cfg = 0; + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->d_frame; + + dbg("w= %d, h= %d color: %d", frame->width, + frame->height, frame->fmt->color); + + switch (frame->fmt->color) { + case S5P_FIMC_RGB565: + case S5P_FIMC_RGB666: + case S5P_FIMC_RGB888: + cfg |= S5P_CITRGFMT_OUTFORMAT_RGB; + break; + case S5P_FIMC_YCBCR420: + cfg |= S5P_CITRGFMT_OUTFORMAT_YCBCR420; + break; + case S5P_FIMC_YCBYCR422: + case S5P_FIMC_YCRYCB422: + case S5P_FIMC_CBYCRY422: + case S5P_FIMC_CRYCBY422: + if (frame->fmt->planes_cnt == 1) + cfg |= S5P_CITRGFMT_OUTFORMAT_YCBCR422_1PLANE; + else + cfg |= S5P_CITRGFMT_OUTFORMAT_YCBCR422; + break; + default: + break; + } + + cfg |= S5P_CITRGFMT_TARGETHSIZE(frame->width); + cfg |= S5P_CITRGFMT_TARGETVSIZE(frame->height); + cfg |= s5p_fimc_get_target_flip(ctx); + writel(cfg, dev->regs + S5P_CITRGFMT); + + if (ctx->rotation == 90 || ctx->rotation == 270) + s5p_fimc_set_rot90(ctx); + + cfg = S5P_CITAREA_TARGET_AREA(frame->width * frame->height); + writel(cfg, dev->regs + S5P_CITAREA); +} + +static void s5p_fimc_set_out_dma_size(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->d_frame; + u32 cfg = 0; + + dbg("h= 0x%X w= 0x%X", frame->f_width, frame->f_height); + + if (ctx->rotation == 90 || ctx->rotation == 270) { + cfg |= S5P_ORGOSIZE_HORIZONTAL(frame->f_height); + cfg |= S5P_ORGOSIZE_VERTICAL(frame->f_width); + } else { + cfg |= S5P_ORGOSIZE_HORIZONTAL(frame->f_width); + cfg |= S5P_ORGOSIZE_VERTICAL(frame->f_height); + } + + writel(cfg, dev->regs + S5P_ORGOSIZE); +} + +void s5p_fimc_set_out_dma(struct fimc_ctx *ctx) +{ + u32 cfg; + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->d_frame; + struct fimc_dma_offset *offset = &frame->dma_offset; + + /* input dma offsets */ + cfg = 0; + cfg |= S5P_CIOYOFF_HORIZONTAL(offset->y_h); + cfg |= S5P_CIOYOFF_VERTICAL(offset->y_v); + writel(cfg, dev->regs + S5P_CIOYOFF); + + cfg = 0; + cfg |= S5P_CIOCBOFF_HORIZONTAL(offset->cb_h); + cfg |= S5P_CIOCBOFF_VERTICAL(offset->cb_v); + writel(cfg, dev->regs + S5P_CIOCBOFF); + + cfg = 0; + cfg |= S5P_CIOCROFF_HORIZONTAL(offset->cr_h); + cfg |= S5P_CIOCROFF_VERTICAL(offset->cr_v); + writel(cfg, dev->regs + S5P_CIOCROFF); + + s5p_fimc_set_out_dma_size(ctx); + + /* configure chroma components order */ + cfg = readl(dev->regs + S5P_CIOCTRL); + + cfg &= ~(S5P_CIOCTRL_ORDER2P_MASK | S5P_CIOCTRL_ORDER422_MASK | + S5P_CIOCTRL_YCBCR_PLANE_MASK); + + if (frame->fmt->planes_cnt == 1) + cfg |= ctx->out_order_1p; + else if (frame->fmt->planes_cnt == 2) + cfg |= ctx->out_order_2p | S5P_CIOCTRL_YCBCR_2PLANE; + else if (frame->fmt->planes_cnt == 3) + cfg |= S5P_CIOCTRL_YCBCR_3PLANE; + + writel(cfg, dev->regs + S5P_CIOCTRL); +} + +void s5p_fimc_en_autoload(struct fimc_ctx *ctx, int enable) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_ORGISIZE); + if (enable) + cfg |= S5P_CIREAL_ISIZE_AUTOLOAD_ENABLE; + else + cfg &= ~S5P_CIREAL_ISIZE_AUTOLOAD_ENABLE; + writel(cfg, dev->regs + S5P_ORGISIZE); +} + +void s5p_fimc_en_lastirq(struct fimc_dev *dev, int enable) +{ + unsigned long flags; + u32 cfg; + local_irq_save(flags); + + cfg = readl(dev->regs + S5P_CIOCTRL); + if (enable) + cfg |= S5P_CIOCTRL_LASTIRQ_ENABLE; + else + cfg &= ~S5P_CIOCTRL_LASTIRQ_ENABLE; + writel(cfg, dev->regs + S5P_CIOCTRL); + + local_irq_restore(flags); +} + +void s5p_fimc_set_prescaler(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_scaler *sc = &ctx->scaler; + u32 cfg = 0, shfactor; + + shfactor = 10 - (sc->hfactor + sc->vfactor); + + cfg |= S5P_CISCPRERATIO_SHFACTOR(shfactor); + cfg |= S5P_CISCPRERATIO_PREHORRATIO(sc->pre_hratio); + cfg |= S5P_CISCPRERATIO_PREVERRATIO(sc->pre_vratio); + + writel(cfg, dev->regs + S5P_CISCPRERATIO); + + cfg = 0; + cfg |= S5P_CISCPREDST_PREDSTWIDTH(sc->pre_dst_width); + cfg |= S5P_CISCPREDST_PREDSTHEIGHT(sc->pre_dst_height); + + writel(cfg, dev->regs + S5P_CISCPREDST); +} + +void s5p_fimc_set_scaler(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_scaler *sc = &ctx->scaler; + struct fimc_frame *src_frame = &ctx->s_frame; + struct fimc_frame *dst_frame = &ctx->d_frame; + u32 cfg; + + if (ctx->flags & S5P_FIMC_COLOR_RANGE_NARROW) + cfg = (S5P_CISCCTRL_CSCR2Y_NARROW|S5P_CISCCTRL_CSCY2R_NARROW); + else + cfg = (S5P_CISCCTRL_CSCR2Y_WIDE|S5P_CISCCTRL_CSCY2R_WIDE); + + if (!sc->enabled) + cfg |= S5P_CISCCTRL_SCALERBYPASS; + + if (sc->scaleup_h) + cfg |= S5P_CISCCTRL_SCALEUP_H; + + if (sc->scaleup_v) + cfg |= S5P_CISCCTRL_SCALEUP_V; + + if (sc->copy_mode) + cfg |= S5P_CISCCTRL_ONE2ONE; + + + if (ctx->in_path == S5P_FIMC_DMA) { + if (src_frame->fmt->color == S5P_FIMC_RGB565) + cfg |= S5P_CISCCTRL_INRGB_FMT_RGB565; + else if (src_frame->fmt->color == S5P_FIMC_RGB666) + cfg |= S5P_CISCCTRL_INRGB_FMT_RGB666; + else if (src_frame->fmt->color == S5P_FIMC_RGB888) + cfg |= S5P_CISCCTRL_INRGB_FMT_RGB888; + } + + if (ctx->out_path == S5P_FIMC_DMA) { + if (dst_frame->fmt->color == S5P_FIMC_RGB565) + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB565; + else if (dst_frame->fmt->color == S5P_FIMC_RGB666) + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB666; + else if (dst_frame->fmt->color == S5P_FIMC_RGB888) + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB888; + } else { + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB888; + + if (ctx->flags&SCAN_MODE_INTERLACED) + cfg |= S5P_CISCCTRL_INTERLACE; + else + cfg |= S5P_CISCCTRL_PROGRESSIVE; + } + + dbg("main_hratio= 0x%X main_vratio= 0x%X", + sc->main_hratio, sc->main_vratio); + + cfg |= S5P_CISCCTRL_MAINHORRATIO(sc->main_hratio); + cfg |= S5P_CISCCTRL_MAINVERRATIO(sc->main_vratio); + + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +void s5p_fimc_start_scaler(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_CISCCTRL); + + cfg |= S5P_CISCCTRL_SCALERSTART; + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +void s5p_fimc_stop_scaler(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_CISCCTRL); + + cfg &= ~S5P_CISCCTRL_SCALERSTART; + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +void s5p_fimc_en_capture(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_CIIMGCPT); + + if (ctx->out_path == S5P_FIMC_DMA) { + /* one shot mode */ + cfg |= S5P_CIIMGCPT_CPT_FREN_ENABLE | S5P_CIIMGCPT_IMGCPTEN + | S5P_CIIMGCPT_CPT_FRMOD_EN; + } else { + /* freerun */ + cfg &= ~(S5P_CIIMGCPT_CPT_FREN_ENABLE | + S5P_CIIMGCPT_CPT_FRMOD_EN); + cfg |= S5P_CIIMGCPT_IMGCPTEN; + } + + if (ctx->scaler.enabled) + cfg |= S5P_CIIMGCPT_IMGCPTEN_SC; + + writel(cfg, dev->regs + S5P_CIIMGCPT); +} + +void s5p_fimc_dis_capture(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_CIIMGCPT); + cfg &= ~(S5P_CIIMGCPT_IMGCPTEN | S5P_CIIMGCPT_IMGCPTEN_SC); + writel(cfg, dev->regs + S5P_CIIMGCPT); +} + +void s5p_fimc_set_effect(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_effect *effect = &ctx->effect; + u32 cfg = (S5P_CIIMGEFF_IE_ENABLE | S5P_CIIMGEFF_IE_SC_AFTER); + + cfg |= effect->type; + + if (effect->type == S5P_FIMC_EFFECT_ARBITRARY) { + cfg |= S5P_CIIMGEFF_PAT_CB(effect->pat_cb); + cfg |= S5P_CIIMGEFF_PAT_CR(effect->pat_cr); + } + + writel(cfg, dev->regs + S5P_CIIMGEFF); +} + +static void s5p_fimc_set_in_dma_size(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->s_frame; + u32 cfg_o = 0; + u32 cfg_r = 0; + + if (ctx->out_path == S5P_FIMC_LCDFIFO) + cfg_r |= S5P_CIREAL_ISIZE_AUTOLOAD_ENABLE; + + cfg_o |= S5P_ORGISIZE_HORIZONTAL(frame->f_width); + cfg_o |= S5P_ORGISIZE_VERTICAL(frame->f_height); + cfg_r |= S5P_CIREAL_ISIZE_WIDTH(frame->width); + cfg_r |= S5P_CIREAL_ISIZE_HEIGHT(frame->height); + + writel(cfg_o, dev->regs + S5P_ORGISIZE); + writel(cfg_r, dev->regs + S5P_CIREAL_ISIZE); +} + +void s5p_fimc_set_in_dma(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->s_frame; + struct fimc_dma_offset *offset = &frame->dma_offset; + u32 cfg = 0; + + /* offsets */ + cfg |= S5P_CIIYOFF_HORIZONTAL(offset->y_h); + cfg |= S5P_CIIYOFF_VERTICAL(offset->y_v); + writel(cfg, dev->regs + S5P_CIIYOFF); + + cfg = 0; + cfg |= S5P_CIICBOFF_HORIZONTAL(offset->cb_h); + cfg |= S5P_CIICBOFF_VERTICAL(offset->cb_v); + writel(cfg, dev->regs + S5P_CIICBOFF); + + cfg = 0; + cfg |= S5P_CIICROFF_HORIZONTAL(offset->cr_h); + cfg |= S5P_CIICROFF_VERTICAL(offset->cr_v); + writel(cfg, dev->regs + S5P_CIICROFF); + + /* original & real size */ + s5p_fimc_set_in_dma_size(ctx); + + /* autoload is used currently only in FIFO mode */ + s5p_fimc_en_autoload(ctx, ctx->out_path == S5P_FIMC_LCDFIFO); + + /* input dma set to process single frame only */ + cfg = (S5P_MSCTRL_SUCCESSIVE_COUNT(1) | S5P_MSCTRL_INPUT_MEMORY); + + switch (frame->fmt->color) { + case S5P_FIMC_RGB565: + case S5P_FIMC_RGB666: + case S5P_FIMC_RGB888: + cfg |= S5P_MSCTRL_INFORMAT_RGB; + break; + case S5P_FIMC_YCBCR420: + cfg |= S5P_MSCTRL_INFORMAT_YCBCR420; + + if (frame->fmt->planes_cnt == 2) + cfg |= ctx->in_order_2p | S5P_MSCTRL_C_INT_IN_2PLANE; + else + cfg |= S5P_MSCTRL_C_INT_IN_3PLANE; + + break; + case S5P_FIMC_YCBYCR422: + case S5P_FIMC_YCRYCB422: + case S5P_FIMC_CBYCRY422: + case S5P_FIMC_CRYCBY422: + if (frame->fmt->planes_cnt == 1) { + cfg |= ctx->in_order_1p + | S5P_MSCTRL_INFORMAT_YCBCR422_1PLANE; + } else { + cfg |= S5P_MSCTRL_INFORMAT_YCBCR422; + + if (frame->fmt->planes_cnt == 2) + cfg |= ctx->in_order_2p + | S5P_MSCTRL_C_INT_IN_2PLANE; + else + cfg |= S5P_MSCTRL_C_INT_IN_3PLANE; + } + break; + default: + break; + } + + /* input DMA flip mode */ + if (ctx->out_path == S5P_FIMC_LCDFIFO) + cfg |= s5p_fimc_get_in_flip(ctx);; + + writel(cfg, dev->regs + S5P_MSCTRL); + + /* in/out DMA linear/tiled mode */ + cfg = readl(dev->regs + S5P_CIDMAPARAM); + cfg &= ~(S5P_CIDMAPARAM_R_MODE_64X32 | S5P_CIDMAPARAM_W_MODE_64X32); + + writel(cfg, dev->regs + S5P_CIDMAPARAM); +} + +void s5p_fimc_start_in_dma(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_MSCTRL); + cfg |= S5P_MSCTRL_ENVID; + writel(cfg, dev->regs + S5P_MSCTRL); +} + +void s5p_fimc_stop_in_dma(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_MSCTRL); + cfg &= ~S5P_MSCTRL_ENVID; + writel(cfg, dev->regs + S5P_MSCTRL); +} + +void s5p_fimc_set_input_path(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_MSCTRL); + cfg &= ~S5P_MSCTRL_INPUT_MASK; + + if (ctx->in_path == S5P_FIMC_DMA) + cfg |= S5P_MSCTRL_INPUT_MEMORY; + else + cfg |= S5P_MSCTRL_INPUT_EXTCAM; + + writel(cfg, dev->regs + S5P_MSCTRL); +} + +void s5p_fimc_set_output_path(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = readl(dev->regs + S5P_CISCCTRL); + cfg &= ~S5P_CISCCTRL_LCDPATHEN_FIFO; + + if (ctx->out_path == S5P_FIMC_LCDFIFO) + cfg |= S5P_CISCCTRL_LCDPATHEN_FIFO; + + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +void s5p_fimc_set_input_addr(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg = 0; + + cfg = readl(dev->regs + S5P_CIREAL_ISIZE); + cfg |= S5P_CIREAL_ISIZE_ADDR_CH_DISABLE; + writel(cfg, dev->regs + S5P_CIREAL_ISIZE); + + writel(ctx->s_frame.addr_y, dev->regs + S5P_CIIYSA0); + writel(ctx->s_frame.addr_cb, dev->regs + S5P_CIICBSA0); + writel(ctx->s_frame.addr_cr, dev->regs + S5P_CIICRSA0); + + cfg &= ~S5P_CIREAL_ISIZE_ADDR_CH_DISABLE; + writel(cfg, dev->regs + S5P_CIREAL_ISIZE); +} + +void s5p_fimc_set_output_addr(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + int i = 0; + /* each of the four output register sets points to the same buffer */ + for (i = 0; i < S5P_FIMC_MAX_FRAMES; i++) { + writel(ctx->d_frame.addr_y, dev->regs + S5P_CIOYSA(i)); + writel(ctx->d_frame.addr_cb, dev->regs + S5P_CIOCBSA(i)); + writel(ctx->d_frame.addr_cr, dev->regs + S5P_CIOCRSA(i)); + } +} diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 418dacf..15d80f7 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -287,6 +287,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ +#define V4L2_PIX_FMT_RGB666 v4l2_fourcc('R', 'G', 'B', 'H') /* 18 RGB-6-6-6 */ #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */