Camera: Bring over camera driver changes

Bring over camera driver changes as of msm-4.19
commit  5a5551a7 (Merge "msm: camera: reqmgr: Fix CRM
shift one req issue").

Change-Id: Ic0c2b2d74d1b3470c1c51d98228e312fb13c501a
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>

drivers/cam_utils/cam_debug_util.c

@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2017-2018, The Linux Foundataion. All rights reserved.
+ */
+
+#include <linux/io.h>
+#include <linux/module.h>
+
+#include "cam_debug_util.h"
+
+static uint debug_mdl;
+module_param(debug_mdl, uint, 0644);
+
+const char *cam_get_module_name(unsigned int module_id)
+{
+	const char *name = NULL;
+
+	switch (module_id) {
+	case CAM_CDM:
+		name = "CAM-CDM";
+		break;
+	case CAM_CORE:
+		name = "CAM-CORE";
+		break;
+	case CAM_CRM:
+		name = "CAM-CRM";
+		break;
+	case CAM_CPAS:
+		name = "CAM-CPAS";
+		break;
+	case CAM_ISP:
+		name = "CAM-ISP";
+		break;
+	case CAM_SENSOR:
+		name = "CAM-SENSOR";
+		break;
+	case CAM_SMMU:
+		name = "CAM-SMMU";
+		break;
+	case CAM_SYNC:
+		name = "CAM-SYNC";
+		break;
+	case CAM_ICP:
+		name = "CAM-ICP";
+		break;
+	case CAM_JPEG:
+		name = "CAM-JPEG";
+		break;
+	case CAM_FD:
+		name = "CAM-FD";
+		break;
+	case CAM_LRME:
+		name = "CAM-LRME";
+		break;
+	case CAM_FLASH:
+		name = "CAM-FLASH";
+		break;
+	case CAM_ACTUATOR:
+		name = "CAM-ACTUATOR";
+		break;
+	case CAM_CCI:
+		name = "CAM-CCI";
+		break;
+	case CAM_CSIPHY:
+		name = "CAM-CSIPHY";
+		break;
+	case CAM_EEPROM:
+		name = "CAM-EEPROM";
+		break;
+	case CAM_UTIL:
+		name = "CAM-UTIL";
+		break;
+	case CAM_CTXT:
+		name = "CAM-CTXT";
+		break;
+	case CAM_HFI:
+		name = "CAM-HFI";
+		break;
+	case CAM_OIS:
+		name = "CAM-OIS";
+		break;
+	case CAM_IRQ_CTRL:
+		name = "CAM-IRQ-CTRL";
+		break;
+	case CAM_MEM:
+		name = "CAM-MEM";
+		break;
+	case CAM_PERF:
+		name = "CAM-PERF";
+		break;
+	case CAM_REQ:
+		name = "CAM-REQ";
+		break;
+	default:
+		name = "CAM";
+		break;
+	}
+
+	return name;
+}
+
+void cam_debug_log(unsigned int module_id, const char *func, const int line,
+	const char *fmt, ...)
+{
+	char str_buffer[STR_BUFFER_MAX_LENGTH];
+	va_list args;
+
+	va_start(args, fmt);
+
+	if (debug_mdl & module_id) {
+		vsnprintf(str_buffer, STR_BUFFER_MAX_LENGTH, fmt, args);
+		pr_info("CAM_DBG: %s: %s: %d: %s\n",
+			cam_get_module_name(module_id),
+			func, line, str_buffer);
+		va_end(args);
+	}
+}