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path: root/drivers/media/platform/vsp1/vsp1_clu.c
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Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_clu.c')
-rw-r--r--drivers/media/platform/vsp1/vsp1_clu.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_clu.c b/drivers/media/platform/vsp1/vsp1_clu.c
deleted file mode 100644
index f2fb26e5ab4e..000000000000
--- a/drivers/media/platform/vsp1/vsp1_clu.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * vsp1_clu.c -- R-Car VSP1 Cubic Look-Up Table
- *
- * Copyright (C) 2015-2016 Renesas Electronics Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.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/device.h>
-#include <linux/slab.h>
-
-#include <media/v4l2-subdev.h>
-
-#include "vsp1.h"
-#include "vsp1_clu.h"
-#include "vsp1_dl.h"
-
-#define CLU_MIN_SIZE 4U
-#define CLU_MAX_SIZE 8190U
-
-/* -----------------------------------------------------------------------------
- * Device Access
- */
-
-static inline void vsp1_clu_write(struct vsp1_clu *clu, struct vsp1_dl_list *dl,
- u32 reg, u32 data)
-{
- vsp1_dl_list_write(dl, reg, data);
-}
-
-/* -----------------------------------------------------------------------------
- * Controls
- */
-
-#define V4L2_CID_VSP1_CLU_TABLE (V4L2_CID_USER_BASE | 0x1001)
-#define V4L2_CID_VSP1_CLU_MODE (V4L2_CID_USER_BASE | 0x1002)
-#define V4L2_CID_VSP1_CLU_MODE_2D 0
-#define V4L2_CID_VSP1_CLU_MODE_3D 1
-
-static int clu_set_table(struct vsp1_clu *clu, struct v4l2_ctrl *ctrl)
-{
- struct vsp1_dl_body *dlb;
- unsigned int i;
-
- dlb = vsp1_dl_fragment_alloc(clu->entity.vsp1, 1 + 17 * 17 * 17);
- if (!dlb)
- return -ENOMEM;
-
- vsp1_dl_fragment_write(dlb, VI6_CLU_ADDR, 0);
- for (i = 0; i < 17 * 17 * 17; ++i)
- vsp1_dl_fragment_write(dlb, VI6_CLU_DATA, ctrl->p_new.p_u32[i]);
-
- spin_lock_irq(&clu->lock);
- swap(clu->clu, dlb);
- spin_unlock_irq(&clu->lock);
-
- vsp1_dl_fragment_free(dlb);
- return 0;
-}
-
-static int clu_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct vsp1_clu *clu =
- container_of(ctrl->handler, struct vsp1_clu, ctrls);
-
- switch (ctrl->id) {
- case V4L2_CID_VSP1_CLU_TABLE:
- clu_set_table(clu, ctrl);
- break;
-
- case V4L2_CID_VSP1_CLU_MODE:
- clu->mode = ctrl->val;
- break;
- }
-
- return 0;
-}
-
-static const struct v4l2_ctrl_ops clu_ctrl_ops = {
- .s_ctrl = clu_s_ctrl,
-};
-
-static const struct v4l2_ctrl_config clu_table_control = {
- .ops = &clu_ctrl_ops,
- .id = V4L2_CID_VSP1_CLU_TABLE,
- .name = "Look-Up Table",
- .type = V4L2_CTRL_TYPE_U32,
- .min = 0x00000000,
- .max = 0x00ffffff,
- .step = 1,
- .def = 0,
- .dims = { 17, 17, 17 },
-};
-
-static const char * const clu_mode_menu[] = {
- "2D",
- "3D",
- NULL,
-};
-
-static const struct v4l2_ctrl_config clu_mode_control = {
- .ops = &clu_ctrl_ops,
- .id = V4L2_CID_VSP1_CLU_MODE,
- .name = "Mode",
- .type = V4L2_CTRL_TYPE_MENU,
- .min = 0,
- .max = 1,
- .def = 1,
- .qmenu = clu_mode_menu,
-};
-
-/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Pad Operations
- */
-
-static int clu_enum_mbus_code(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- static const unsigned int codes[] = {
- MEDIA_BUS_FMT_ARGB8888_1X32,
- MEDIA_BUS_FMT_AHSV8888_1X32,
- MEDIA_BUS_FMT_AYUV8_1X32,
- };
-
- return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
- ARRAY_SIZE(codes));
-}
-
-static int clu_enum_frame_size(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_frame_size_enum *fse)
-{
- return vsp1_subdev_enum_frame_size(subdev, cfg, fse, CLU_MIN_SIZE,
- CLU_MIN_SIZE, CLU_MAX_SIZE,
- CLU_MAX_SIZE);
-}
-
-static int clu_set_format(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- struct vsp1_clu *clu = to_clu(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- int ret = 0;
-
- mutex_lock(&clu->entity.lock);
-
- config = vsp1_entity_get_pad_config(&clu->entity, cfg, fmt->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- /* Default to YUV if the requested format is not supported. */
- if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
- fmt->format.code != MEDIA_BUS_FMT_AHSV8888_1X32 &&
- fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32)
- fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
-
- format = vsp1_entity_get_pad_format(&clu->entity, config, fmt->pad);
-
- if (fmt->pad == CLU_PAD_SOURCE) {
- /* The CLU output format can't be modified. */
- fmt->format = *format;
- goto done;
- }
-
- format->code = fmt->format.code;
- format->width = clamp_t(unsigned int, fmt->format.width,
- CLU_MIN_SIZE, CLU_MAX_SIZE);
- format->height = clamp_t(unsigned int, fmt->format.height,
- CLU_MIN_SIZE, CLU_MAX_SIZE);
- format->field = V4L2_FIELD_NONE;
- format->colorspace = V4L2_COLORSPACE_SRGB;
-
- fmt->format = *format;
-
- /* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&clu->entity, config,
- CLU_PAD_SOURCE);
- *format = fmt->format;
-
-done:
- mutex_unlock(&clu->entity.lock);
- return ret;
-}
-
-/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Operations
- */
-
-static const struct v4l2_subdev_pad_ops clu_pad_ops = {
- .init_cfg = vsp1_entity_init_cfg,
- .enum_mbus_code = clu_enum_mbus_code,
- .enum_frame_size = clu_enum_frame_size,
- .get_fmt = vsp1_subdev_get_pad_format,
- .set_fmt = clu_set_format,
-};
-
-static const struct v4l2_subdev_ops clu_ops = {
- .pad = &clu_pad_ops,
-};
-
-/* -----------------------------------------------------------------------------
- * VSP1 Entity Operations
- */
-
-static void clu_configure(struct vsp1_entity *entity,
- struct vsp1_pipeline *pipe,
- struct vsp1_dl_list *dl,
- enum vsp1_entity_params params)
-{
- struct vsp1_clu *clu = to_clu(&entity->subdev);
- struct vsp1_dl_body *dlb;
- unsigned long flags;
- u32 ctrl = VI6_CLU_CTRL_AAI | VI6_CLU_CTRL_MVS | VI6_CLU_CTRL_EN;
-
- switch (params) {
- case VSP1_ENTITY_PARAMS_INIT: {
- /*
- * The format can't be changed during streaming, only verify it
- * at setup time and store the information internally for future
- * runtime configuration calls.
- */
- struct v4l2_mbus_framefmt *format;
-
- format = vsp1_entity_get_pad_format(&clu->entity,
- clu->entity.config,
- CLU_PAD_SINK);
- clu->yuv_mode = format->code == MEDIA_BUS_FMT_AYUV8_1X32;
- break;
- }
-
- case VSP1_ENTITY_PARAMS_PARTITION:
- break;
-
- case VSP1_ENTITY_PARAMS_RUNTIME:
- /* 2D mode can only be used with the YCbCr pixel encoding. */
- if (clu->mode == V4L2_CID_VSP1_CLU_MODE_2D && clu->yuv_mode)
- ctrl |= VI6_CLU_CTRL_AX1I_2D | VI6_CLU_CTRL_AX2I_2D
- | VI6_CLU_CTRL_OS0_2D | VI6_CLU_CTRL_OS1_2D
- | VI6_CLU_CTRL_OS2_2D | VI6_CLU_CTRL_M2D;
-
- vsp1_clu_write(clu, dl, VI6_CLU_CTRL, ctrl);
-
- spin_lock_irqsave(&clu->lock, flags);
- dlb = clu->clu;
- clu->clu = NULL;
- spin_unlock_irqrestore(&clu->lock, flags);
-
- if (dlb)
- vsp1_dl_list_add_fragment(dl, dlb);
- break;
- }
-}
-
-static const struct vsp1_entity_operations clu_entity_ops = {
- .configure = clu_configure,
-};
-
-/* -----------------------------------------------------------------------------
- * Initialization and Cleanup
- */
-
-struct vsp1_clu *vsp1_clu_create(struct vsp1_device *vsp1)
-{
- struct vsp1_clu *clu;
- int ret;
-
- clu = devm_kzalloc(vsp1->dev, sizeof(*clu), GFP_KERNEL);
- if (clu == NULL)
- return ERR_PTR(-ENOMEM);
-
- spin_lock_init(&clu->lock);
-
- clu->entity.ops = &clu_entity_ops;
- clu->entity.type = VSP1_ENTITY_CLU;
-
- ret = vsp1_entity_init(vsp1, &clu->entity, "clu", 2, &clu_ops,
- MEDIA_ENT_F_PROC_VIDEO_LUT);
- if (ret < 0)
- return ERR_PTR(ret);
-
- /* Initialize the control handler. */
- v4l2_ctrl_handler_init(&clu->ctrls, 2);
- v4l2_ctrl_new_custom(&clu->ctrls, &clu_table_control, NULL);
- v4l2_ctrl_new_custom(&clu->ctrls, &clu_mode_control, NULL);
-
- clu->entity.subdev.ctrl_handler = &clu->ctrls;
-
- if (clu->ctrls.error) {
- dev_err(vsp1->dev, "clu: failed to initialize controls\n");
- ret = clu->ctrls.error;
- vsp1_entity_destroy(&clu->entity);
- return ERR_PTR(ret);
- }
-
- v4l2_ctrl_handler_setup(&clu->ctrls);
-
- return clu;
-}