diff --git a/drivers/media/platform/vsp1/vsp1_regs.h b/drivers/media/platform/vsp1/vsp1_regs.h index 3e74b44286f63b65f0158477188a2f5b5d6a72b6..55f163d32d154cde33fab7995457ad4940cca85d 100644 --- a/drivers/media/platform/vsp1/vsp1_regs.h +++ b/drivers/media/platform/vsp1/vsp1_regs.h @@ -336,7 +336,9 @@ */ #define VI6_SRU_CTRL0 0x2200 +#define VI6_SRU_CTRL0_PARAM0_MASK (0x1ff << 16) #define VI6_SRU_CTRL0_PARAM0_SHIFT 16 +#define VI6_SRU_CTRL0_PARAM1_MASK (0x1f << 8) #define VI6_SRU_CTRL0_PARAM1_SHIFT 8 #define VI6_SRU_CTRL0_MODE_UPSCALE (4 << 4) #define VI6_SRU_CTRL0_PARAM2 (1 << 3) diff --git a/drivers/media/platform/vsp1/vsp1_sru.c b/drivers/media/platform/vsp1/vsp1_sru.c index 18e127accf25355978d34a7c59e5e819ba993c6c..b7d3c8b9f18952fbfc095c89a6c999f6634000f2 100644 --- a/drivers/media/platform/vsp1/vsp1_sru.c +++ b/drivers/media/platform/vsp1/vsp1_sru.c @@ -42,39 +42,6 @@ static inline void vsp1_sru_write(struct vsp1_sru *sru, u32 reg, u32 data) #define V4L2_CID_VSP1_SRU_INTENSITY (V4L2_CID_USER_BASE + 1) -static int sru_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct vsp1_sru *sru = - container_of(ctrl->handler, struct vsp1_sru, ctrls); - - switch (ctrl->id) { - case V4L2_CID_VSP1_SRU_INTENSITY: - sru->intensity = ctrl->val; - break; - } - - return 0; -} - -static const struct v4l2_ctrl_ops sru_ctrl_ops = { - .s_ctrl = sru_s_ctrl, -}; - -static const struct v4l2_ctrl_config sru_intensity_control = { - .ops = &sru_ctrl_ops, - .id = V4L2_CID_VSP1_SRU_INTENSITY, - .name = "Intensity", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 1, - .max = 6, - .def = 1, - .step = 1, -}; - -/* ----------------------------------------------------------------------------- - * V4L2 Subdevice Core Operations - */ - struct vsp1_sru_param { u32 ctrl0; u32 ctrl2; @@ -111,22 +78,66 @@ static const struct vsp1_sru_param vsp1_sru_params[] = { }, }; +static int sru_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct vsp1_sru *sru = + container_of(ctrl->handler, struct vsp1_sru, ctrls); + const struct vsp1_sru_param *param; + u32 value; + + switch (ctrl->id) { + case V4L2_CID_VSP1_SRU_INTENSITY: + param = &vsp1_sru_params[ctrl->val - 1]; + + value = vsp1_sru_read(sru, VI6_SRU_CTRL0); + value &= ~(VI6_SRU_CTRL0_PARAM0_MASK | + VI6_SRU_CTRL0_PARAM1_MASK); + value |= param->ctrl0; + vsp1_sru_write(sru, VI6_SRU_CTRL0, value); + + vsp1_sru_write(sru, VI6_SRU_CTRL2, param->ctrl2); + break; + } + + return 0; +} + +static const struct v4l2_ctrl_ops sru_ctrl_ops = { + .s_ctrl = sru_s_ctrl, +}; + +static const struct v4l2_ctrl_config sru_intensity_control = { + .ops = &sru_ctrl_ops, + .id = V4L2_CID_VSP1_SRU_INTENSITY, + .name = "Intensity", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 1, + .max = 6, + .def = 1, + .step = 1, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + static int sru_s_stream(struct v4l2_subdev *subdev, int enable) { struct vsp1_sru *sru = to_sru(subdev); - const struct vsp1_sru_param *param; struct v4l2_mbus_framefmt *input; struct v4l2_mbus_framefmt *output; - bool upscale; u32 ctrl0; + int ret; + + ret = vsp1_entity_set_streaming(&sru->entity, enable); + if (ret < 0) + return ret; if (!enable) return 0; input = &sru->entity.formats[SRU_PAD_SINK]; output = &sru->entity.formats[SRU_PAD_SOURCE]; - upscale = input->width != output->width; - param = &vsp1_sru_params[sru->intensity]; if (input->code == V4L2_MBUS_FMT_ARGB8888_1X32) ctrl0 = VI6_SRU_CTRL0_PARAM2 | VI6_SRU_CTRL0_PARAM3 @@ -134,10 +145,18 @@ static int sru_s_stream(struct v4l2_subdev *subdev, int enable) else ctrl0 = VI6_SRU_CTRL0_PARAM3; - vsp1_sru_write(sru, VI6_SRU_CTRL0, param->ctrl0 | ctrl0 | - (upscale ? VI6_SRU_CTRL0_MODE_UPSCALE : 0)); + if (input->width != output->width) + ctrl0 |= VI6_SRU_CTRL0_MODE_UPSCALE; + + /* Take the control handler lock to ensure that the CTRL0 value won't be + * changed behind our back by a set control operation. + */ + mutex_lock(sru->ctrls.lock); + ctrl0 |= vsp1_sru_read(sru, VI6_SRU_CTRL0) + & (VI6_SRU_CTRL0_PARAM0_MASK | VI6_SRU_CTRL0_PARAM1_MASK); + mutex_unlock(sru->ctrls.lock); + vsp1_sru_write(sru, VI6_SRU_CTRL1, VI6_SRU_CTRL1_PARAM5); - vsp1_sru_write(sru, VI6_SRU_CTRL2, param->ctrl2); return 0; } @@ -359,7 +378,5 @@ struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1) return ERR_PTR(ret); } - v4l2_ctrl_handler_setup(&sru->ctrls); - return sru; } diff --git a/drivers/media/platform/vsp1/vsp1_sru.h b/drivers/media/platform/vsp1/vsp1_sru.h index 381870b74780f1ec37a00432ace3b625be15a6bf..b6768bf3dc472d18ee807b2688d50867c9dba444 100644 --- a/drivers/media/platform/vsp1/vsp1_sru.h +++ b/drivers/media/platform/vsp1/vsp1_sru.h @@ -28,7 +28,6 @@ struct vsp1_sru { struct vsp1_entity entity; struct v4l2_ctrl_handler ctrls; - unsigned int intensity; }; static inline struct vsp1_sru *to_sru(struct v4l2_subdev *subdev)