diff options
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_clu.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_clu.c | 308 |
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; -} |
