Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Laurent Pinchart | 996 | 90.63% | 14 | 66.67% |
Kieran Bingham | 91 | 8.28% | 5 | 23.81% |
Tomi Valkeinen | 9 | 0.82% | 1 | 4.76% |
Takashi Saito | 3 | 0.27% | 1 | 4.76% |
Total | 1099 | 21 |
// SPDX-License-Identifier: GPL-2.0+ /* * vsp1_clu.c -- R-Car VSP1 Cubic Look-Up Table * * Copyright (C) 2015-2016 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ #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 #define CLU_SIZE (17 * 17 * 17) /* ----------------------------------------------------------------------------- * Device Access */ static inline void vsp1_clu_write(struct vsp1_clu *clu, struct vsp1_dl_body *dlb, u32 reg, u32 data) { vsp1_dl_body_write(dlb, 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_body_get(clu->pool); if (!dlb) return -ENOMEM; vsp1_dl_body_write(dlb, VI6_CLU_ADDR, 0); for (i = 0; i < CLU_SIZE; ++i) vsp1_dl_body_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_body_put(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 const unsigned int clu_codes[] = { MEDIA_BUS_FMT_ARGB8888_1X32, MEDIA_BUS_FMT_AHSV8888_1X32, MEDIA_BUS_FMT_AYUV8_1X32, }; static int clu_enum_mbus_code(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { return vsp1_subdev_enum_mbus_code(subdev, sd_state, code, clu_codes, ARRAY_SIZE(clu_codes)); } static int clu_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { return vsp1_subdev_enum_frame_size(subdev, sd_state, 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_state *sd_state, struct v4l2_subdev_format *fmt) { return vsp1_subdev_set_pad_format(subdev, sd_state, fmt, clu_codes, ARRAY_SIZE(clu_codes), CLU_MIN_SIZE, CLU_MIN_SIZE, CLU_MAX_SIZE, CLU_MAX_SIZE); } /* ----------------------------------------------------------------------------- * V4L2 Subdevice Operations */ static const struct v4l2_subdev_pad_ops clu_pad_ops = { .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_stream(struct vsp1_entity *entity, struct vsp1_pipeline *pipe, struct vsp1_dl_list *dl, struct vsp1_dl_body *dlb) { struct vsp1_clu *clu = to_clu(&entity->subdev); struct v4l2_mbus_framefmt *format; /* * The yuv_mode can't be changed during streaming. Cache it internally * for future runtime configuration calls. */ format = vsp1_entity_get_pad_format(&clu->entity, clu->entity.state, CLU_PAD_SINK); clu->yuv_mode = format->code == MEDIA_BUS_FMT_AYUV8_1X32; } static void clu_configure_frame(struct vsp1_entity *entity, struct vsp1_pipeline *pipe, struct vsp1_dl_list *dl, struct vsp1_dl_body *dlb) { struct vsp1_clu *clu = to_clu(&entity->subdev); struct vsp1_dl_body *clu_dlb; unsigned long flags; u32 ctrl = VI6_CLU_CTRL_AAI | VI6_CLU_CTRL_MVS | VI6_CLU_CTRL_EN; /* 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, dlb, VI6_CLU_CTRL, ctrl); spin_lock_irqsave(&clu->lock, flags); clu_dlb = clu->clu; clu->clu = NULL; spin_unlock_irqrestore(&clu->lock, flags); if (clu_dlb) { vsp1_dl_list_add_body(dl, clu_dlb); /* Release our local reference. */ vsp1_dl_body_put(clu_dlb); } } static void clu_destroy(struct vsp1_entity *entity) { struct vsp1_clu *clu = to_clu(&entity->subdev); vsp1_dl_body_pool_destroy(clu->pool); } static const struct vsp1_entity_operations clu_entity_ops = { .configure_stream = clu_configure_stream, .configure_frame = clu_configure_frame, .destroy = clu_destroy, }; /* ----------------------------------------------------------------------------- * 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); /* * Pre-allocate a body pool, with 3 bodies allowing a userspace update * before the hardware has committed a previous set of tables, handling * both the queued and pending dl entries. One extra entry is added to * the CLU_SIZE to allow for the VI6_CLU_ADDR header. */ clu->pool = vsp1_dl_body_pool_create(clu->entity.vsp1, 3, CLU_SIZE + 1, 0); if (!clu->pool) return ERR_PTR(-ENOMEM); /* 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; }
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