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Hi, Shu-hsiang:
On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote:
> Introduces the driver of the MediaTek Sensor Interface,
> focusing on integration with the MediaTek ISP CAMSYS. The
> seninf device bridges camera sensors and the ISP system,
> providing management for sensor data routing and processing.
> Key features include V4L2 framework control, and dynamic
> handling of stream configurations and virtual channels.
>
> Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang@mediatek.com>
> ---
[snip]
> +static int set_test_model(struct seninf_ctx *ctx, char enable)
> +{
Without test code, this driver still work, so test code is advanced function.
Separate test code to a test patch.
Regards,
CK
> +struct seninf_vc *vc[] = { NULL, NULL, NULL, NULL, NULL };
> +int i = 0, ret = 0, vc_used = 0;
> +struct seninf_mux *mux;
> +int pref_idx[] = { 0, 1, 2, 3, 4 };
> +
> +if (ctx->is_test_model == 1) {
> +vc[vc_used++] = mtk_cam_seninf_get_vc_by_pad(ctx, PAD_SRC_RAW0);
> +} else if (ctx->is_test_model == 2) {
> +vc[vc_used++] = mtk_cam_seninf_get_vc_by_pad(ctx, PAD_SRC_RAW0);
> +vc[vc_used++] = mtk_cam_seninf_get_vc_by_pad(ctx, PAD_SRC_RAW1);
> +vc[vc_used++] = mtk_cam_seninf_get_vc_by_pad(ctx, PAD_SRC_RAW2);
> +} else if (ctx->is_test_model == 3) {
> +vc[vc_used++] = mtk_cam_seninf_get_vc_by_pad(ctx, PAD_SRC_RAW0);
> +vc[vc_used++] = mtk_cam_seninf_get_vc_by_pad(ctx, PAD_SRC_PDAF0);
> +} else {
> +dev_info(ctx->dev, "testmodel%d invalid\n", ctx->is_test_model);
> +return -1;
> +}
> +
> +for (; i < vc_used; ++i) {
> +if (!vc[i]) {
> +dev_info(ctx->dev, "vc not found\n");
> +return -1;
> +}
> +}
> +
> +if (enable) {
> +ret = pm_runtime_resume_and_get(ctx->dev);
> +if (ret < 0) {
> +dev_info(ctx->dev, "failed at pm_runtime_resume_and_get\n");
> +return ret;
> +}
> +
> +if (ctx->core->clk[CLK_TOP_CAMTM])
> +ret = clk_prepare_enable(ctx->core->clk[CLK_TOP_CAMTM]);
> +if (ret)
> +return ret;
> +
> +for (i = 0; i < vc_used; ++i) {
> +mux = mtk_cam_seninf_mux_get_pref(ctx,
> + pref_idx,
> + ARRAY_SIZE(pref_idx));
> +if (!mux)
> +return -EBUSY;
> +vc[i]->mux = mux->idx;
> +vc[i]->cam = ctx->pad2cam[vc[i]->out_pad];
> +vc[i]->enable = 1;
> +
> +dev_info(ctx->dev,
> + "test mode mux %d, cam %d, pixel mode %d\n",
> + vc[i]->mux, vc[i]->cam, vc[i]->pixel_mode);
> +
> +mtk_cam_seninf_set_test_model(ctx, vc[i]->mux,
> + vc[i]->cam,
> + vc[i]->pixel_mode);
> +
> +if (vc[i]->out_pad == PAD_SRC_PDAF0)
> +mdelay(40);
> +else
> +usleep_range(40, 60);
> +}
> +} else {
> +mtk_cam_seninf_set_idle(ctx);
> +mtk_cam_seninf_release_mux(ctx);
> +
> +if (ctx->core->clk[CLK_TOP_CAMTM])
> +clk_disable_unprepare(ctx->core->clk[CLK_TOP_CAMTM]);
> +
> +pm_runtime_put_sync(ctx->dev);
> +}
> +
> +ctx->streaming = enable;
> +
> +return 0;
> +}
> +
</pre>
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