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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 ssize_t debug_ops_show(struct device *dev,
> + struct device_attribute *attr, char *buf)
> +{
Separate debug related code to debug patch.
> +int len = 0;
> +
> +len += snprintf(buf + len, PAGE_SIZE - len, "This is debug ops message\n");
> +
> +return len;
> +}
> +
> +enum REG_OPS_CMD {
> +REG_OPS_CMD_ID,
> +REG_OPS_CMD_CSI,
> +REG_OPS_CMD_RG,
> +REG_OPS_CMD_VAL,
> +REG_OPS_CMD_MAX_NUM,
> +};
> +
> +static ssize_t debug_ops_store(struct device *dev,
> + struct device_attribute *attr,
> + const char *buf, size_t count)
> +{
Ditto.
Regards,
CK
> +char delim[] = " ";
> +char csi_names[20];
> +char *token = NULL;
> +char *sbuf = kcalloc(count + 1, sizeof(char), GFP_KERNEL);
> +char *s = sbuf;
> +int ret;
> +char *arg[REG_OPS_CMD_MAX_NUM];
> +struct seninf_core *core = dev_get_drvdata(dev);
> +struct seninf_ctx *ctx;
> +int csi_port = -1;
> +int rg_idx = -1;
> +u32 val, i, num_para = 0;
> +
> +if (!sbuf)
> +goto ERR_DEBUG_OPS_STORE;
> +
> +memcpy(sbuf, buf, count);
> +
> +token = strsep(&s, delim);
> +while (token && num_para < REG_OPS_CMD_MAX_NUM) {
> +if (strlen(token)) {
> +arg[num_para] = token;
> +num_para++;
> +}
> +
> +token = strsep(&s, delim);
> +}
> +
> +if (num_para != REG_OPS_CMD_MAX_NUM) {
> +dev_info(dev, "Wrong command parameter number\n");
> +goto ERR_DEBUG_OPS_STORE;
> +}
> +
> +if (strncmp("SET_REG", arg[REG_OPS_CMD_ID], sizeof("SET_REG")) == 0) {
> +for (i = 0; i < REG_KEY_MAX_NUM; i++) {
> +if (!strcasecmp(arg[REG_OPS_CMD_RG], set_reg_names[i]))
> +rg_idx = i;
> +}
> +if (rg_idx < 0)
> +goto ERR_DEBUG_OPS_STORE;
> +
> +ret = kstrtouint(arg[REG_OPS_CMD_VAL], 0, &val);
> +if (ret)
> +goto ERR_DEBUG_OPS_STORE;
> +
> +for (i = 0; i < CSI_PORT_MAX_NUM; i++) {
> +memset(csi_names, 0, ARRAY_SIZE(csi_names));
> +snprintf(csi_names, 10, "csi-%s", csi_port_names[i]);
> +if (!strcasecmp(arg[REG_OPS_CMD_CSI], csi_names))
> +csi_port = i;
> +}
> +
> +if (csi_port < 0)
> +goto ERR_DEBUG_OPS_STORE;
> +
> +/* reg call */
> +mutex_lock(&core->mutex);
> +
> +list_for_each_entry(ctx, &core->list, list) {
> +if (csi_port == ctx->port)
> +mtk_cam_seninf_set_reg(ctx, rg_idx, val);
> +}
> +
> +mutex_unlock(&core->mutex);
> +}
> +
> +ERR_DEBUG_OPS_STORE:
> +
> +kfree(sbuf);
> +
> +return count;
> +}
> +
> +static DEVICE_ATTR_RW(debug_ops);
> +
</pre>
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