diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 17:31:16 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 16:43:09 -0300 |
commit | 2c3fb08b3f74b8792004095a1f6881a3296ff643 (patch) | |
tree | 19be9d09c4aa66d4363ee9d38a43721f5d6b144f /drivers/media/video/s5p-fimc/fimc-core.c | |
parent | 2a2d1cf46500ab7599d0b45ee837f3936763ccac (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.c | 1239 |
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); -} |