Aquaris-M10-4G/drivers/misc/mediatek/video/mt6735/dispsys/mt6735m/ddp_rdma_ex.c

#define LOG_TAG "RDMA"
#include "ddp_log.h"

#ifdef CONFIG_MTK_CLKMGR
#include <mach/mt_clkmgr.h>
#endif
#include <linux/delay.h>
#include "ddp_info.h"
#include "ddp_reg.h"
#include "ddp_matrix_para.h"
#include "ddp_rdma.h"
#include "ddp_rdma_ex.h"
#include "ddp_dump.h"
#include "lcm_drv.h"
#include "primary_display.h"
#include "m4u.h"
#include "ddp_drv.h"
#include "ddp_debug.h"
#include "ddp_irq.h"

static unsigned int rdma_fps[RDMA_INSTANCES] = { 60, 60 };

static enum RDMA_INPUT_FORMAT rdma_input_format_convert(DpColorFormat fmt)
{
	enum RDMA_INPUT_FORMAT rdma_fmt = RDMA_INPUT_FORMAT_RGB565;

	switch (fmt) {
	case eBGR565:
		rdma_fmt = RDMA_INPUT_FORMAT_BGR565;
		break;
	case eRGB888:
		rdma_fmt = RDMA_INPUT_FORMAT_RGB888;
		break;
	case eRGBA8888:
		rdma_fmt = RDMA_INPUT_FORMAT_RGBA8888;
		break;
	case eARGB8888:
		rdma_fmt = RDMA_INPUT_FORMAT_ARGB8888;
		break;
	case eVYUY:
		rdma_fmt = RDMA_INPUT_FORMAT_VYUY;
		break;
	case eYVYU:
		rdma_fmt = RDMA_INPUT_FORMAT_YVYU;
		break;
	case eRGB565:
		rdma_fmt = RDMA_INPUT_FORMAT_RGB565;
		break;
	case eBGR888:
		rdma_fmt = RDMA_INPUT_FORMAT_BGR888;
		break;
	case eBGRA8888:
		rdma_fmt = RDMA_INPUT_FORMAT_BGRA8888;
		break;
	case eABGR8888:
		rdma_fmt = RDMA_INPUT_FORMAT_ABGR8888;
		break;
	case eUYVY:
		rdma_fmt = RDMA_INPUT_FORMAT_UYVY;
		break;
	case eYUY2:
		rdma_fmt = RDMA_INPUT_FORMAT_YUYV;
		break;
	default:
		DDPERR("rdma_input_format_convert fmt=%d, rdma_fmt=%d\n", fmt, rdma_fmt);
	}
	return rdma_fmt;
}

static unsigned int rdma_input_format_byte_swap(enum RDMA_INPUT_FORMAT inputFormat)
{
	int input_swap = 0;

	switch (inputFormat) {
	case RDMA_INPUT_FORMAT_BGR565:
	case RDMA_INPUT_FORMAT_RGB888:
	case RDMA_INPUT_FORMAT_RGBA8888:
	case RDMA_INPUT_FORMAT_ARGB8888:
	case RDMA_INPUT_FORMAT_VYUY:
	case RDMA_INPUT_FORMAT_YVYU:
		input_swap = 1;
		break;
	case RDMA_INPUT_FORMAT_RGB565:
	case RDMA_INPUT_FORMAT_BGR888:
	case RDMA_INPUT_FORMAT_BGRA8888:
	case RDMA_INPUT_FORMAT_ABGR8888:
	case RDMA_INPUT_FORMAT_UYVY:
	case RDMA_INPUT_FORMAT_YUYV:
		input_swap = 0;
		break;
	default:
		DDPERR("unknown RDMA input format is %d\n", inputFormat);
		ASSERT(0);
	}
	return input_swap;
}

static unsigned int rdma_input_format_bpp(enum RDMA_INPUT_FORMAT inputFormat)
{
	int bpp = 0;

	switch (inputFormat) {
	case RDMA_INPUT_FORMAT_BGR565:
	case RDMA_INPUT_FORMAT_RGB565:
	case RDMA_INPUT_FORMAT_VYUY:
	case RDMA_INPUT_FORMAT_UYVY:
	case RDMA_INPUT_FORMAT_YVYU:
	case RDMA_INPUT_FORMAT_YUYV:
		bpp = 2;
		break;
	case RDMA_INPUT_FORMAT_RGB888:
	case RDMA_INPUT_FORMAT_BGR888:
		bpp = 3;
		break;
	case RDMA_INPUT_FORMAT_ARGB8888:
	case RDMA_INPUT_FORMAT_ABGR8888:
	case RDMA_INPUT_FORMAT_RGBA8888:
	case RDMA_INPUT_FORMAT_BGRA8888:
		bpp = 4;
		break;
	default:
		DDPERR("unknown RDMA input format = %d\n", inputFormat);
		ASSERT(0);
	}
	return bpp;
}

static unsigned int rdma_input_format_color_space(enum RDMA_INPUT_FORMAT inputFormat)
{
	int space = 0;

	switch (inputFormat) {
	case RDMA_INPUT_FORMAT_BGR565:
	case RDMA_INPUT_FORMAT_RGB565:
	case RDMA_INPUT_FORMAT_RGB888:
	case RDMA_INPUT_FORMAT_BGR888:
	case RDMA_INPUT_FORMAT_RGBA8888:
	case RDMA_INPUT_FORMAT_BGRA8888:
	case RDMA_INPUT_FORMAT_ARGB8888:
	case RDMA_INPUT_FORMAT_ABGR8888:
		space = 0;
		break;
	case RDMA_INPUT_FORMAT_VYUY:
	case RDMA_INPUT_FORMAT_UYVY:
	case RDMA_INPUT_FORMAT_YVYU:
	case RDMA_INPUT_FORMAT_YUYV:
		space = 1;
		break;
	default:
		DDPERR("unknown RDMA input format = %d\n", inputFormat);
		ASSERT(0);
	}
	return space;
}

static unsigned int rdma_input_format_reg_value(enum RDMA_INPUT_FORMAT inputFormat)
{
	int reg_value = 0;

	switch (inputFormat) {
	case RDMA_INPUT_FORMAT_BGR565:
	case RDMA_INPUT_FORMAT_RGB565:
		reg_value = 0x0;
		break;
	case RDMA_INPUT_FORMAT_RGB888:
	case RDMA_INPUT_FORMAT_BGR888:
		reg_value = 0x1;
		break;
	case RDMA_INPUT_FORMAT_RGBA8888:
	case RDMA_INPUT_FORMAT_BGRA8888:
		reg_value = 0x2;
		break;
	case RDMA_INPUT_FORMAT_ARGB8888:
	case RDMA_INPUT_FORMAT_ABGR8888:
		reg_value = 0x3;
		break;
	case RDMA_INPUT_FORMAT_VYUY:
	case RDMA_INPUT_FORMAT_UYVY:
		reg_value = 0x4;
		break;
	case RDMA_INPUT_FORMAT_YVYU:
	case RDMA_INPUT_FORMAT_YUYV:
		reg_value = 0x5;
		break;
	default:
		DDPERR("unknown RDMA input format is %d\n", inputFormat);
		ASSERT(0);
	}
	return reg_value;
}

static char *rdma_intput_format_name(enum RDMA_INPUT_FORMAT fmt, int swap)
{
	switch (fmt) {
	case RDMA_INPUT_FORMAT_BGR565:
		return swap ? "eBGR565" : "eRGB565";
	case RDMA_INPUT_FORMAT_RGB565:
		return "eRGB565";
	case RDMA_INPUT_FORMAT_RGB888:
		return swap ? "eRGB888" : "eBGR888";
	case RDMA_INPUT_FORMAT_BGR888:
		return "eBGR888";
	case RDMA_INPUT_FORMAT_RGBA8888:
		return swap ? "eRGBA888" : "eBGRA888";
	case RDMA_INPUT_FORMAT_BGRA8888:
		return "eBGRA888";
	case RDMA_INPUT_FORMAT_ARGB8888:
		return swap ? "eARGB8888" : "eABGR8888";
	case RDMA_INPUT_FORMAT_ABGR8888:
		return "eABGR8888";
	case RDMA_INPUT_FORMAT_VYUY:
		return swap ? "eVYUY" : "eUYVY";
	case RDMA_INPUT_FORMAT_UYVY:
		return "eUYVY";
	case RDMA_INPUT_FORMAT_YVYU:
		return swap ? "eYVYU" : "eYUY2";
	case RDMA_INPUT_FORMAT_YUYV:
		return "eYUY2";
	default:
		DDPERR("rdma_intput_format_name unknown fmt=%d, swap=%d\n", fmt, swap);
		break;
	}
	return "unknown";
}

int rdma_enable_irq(DISP_MODULE_ENUM module, void *handle, DDP_IRQ_LEVEL irq_level)
{
	unsigned int idx = rdma_index(module);

	switch (irq_level) {
	case DDP_IRQ_LEVEL_ALL:
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_INT_ENABLE, 0x1E);
		break;
	case DDP_IRQ_LEVEL_ERROR:
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_INT_ENABLE, 0x18);
		/* only enable underflow/abnormal irq */
		break;
	case DDP_IRQ_LEVEL_NONE:
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_INT_ENABLE, 0x0);
		break;
	default:
		break;
	}

	return 0;
}

int rdma_start(DISP_MODULE_ENUM module, void *handle)
{
	unsigned int idx = rdma_index(module);

	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_INT_ENABLE, 0x3E);
	DISP_REG_SET_FIELD(handle, GLOBAL_CON_FLD_ENGINE_EN,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON, 1);

	return 0;
}

int rdma_stop(DISP_MODULE_ENUM module, void *handle)
{
	unsigned int idx = rdma_index(module);

	DISP_REG_SET_FIELD(handle, GLOBAL_CON_FLD_ENGINE_EN,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON, 0);
	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_INT_ENABLE, 0);
	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_INT_STATUS, 0);
	return 0;
}

int rdma_reset(DISP_MODULE_ENUM module, void *handle)
{
	unsigned int delay_cnt = 0;
	int ret = 0;
	unsigned int idx = rdma_index(module);

	DISP_REG_SET_FIELD(handle, GLOBAL_CON_FLD_SOFT_RESET,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON, 1);
	while ((DISP_REG_GET(idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON) & 0x700) == 0x100) {
		delay_cnt++;
		udelay(10);
		if (delay_cnt > 10000) {
			ret = -1;
			DDPERR("rdma%d_reset timeout, stage 1! DISP_REG_RDMA_GLOBAL_CON=0x%x\n",
			       idx, DISP_REG_GET(idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON));
			break;
		}
	}
	DISP_REG_SET_FIELD(handle, GLOBAL_CON_FLD_SOFT_RESET,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON, 0);
	delay_cnt = 0;
	while ((DISP_REG_GET(idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON) & 0x700) != 0x100) {
		delay_cnt++;
		udelay(10);
		if (delay_cnt > 10000) {
			ret = -1;
			DDPERR("rdma%d_reset timeout, stage 2! DISP_REG_RDMA_GLOBAL_CON=0x%x\n",
			       idx, DISP_REG_GET(idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON));
			break;
		}
	}
	return ret;
}

/* set ultra registers */
void rdma_set_ultra(unsigned int idx, unsigned int width, unsigned int height, unsigned int bpp,
		    unsigned int frame_rate, void *handle)
{
	/* constant */
	static const unsigned int blank_overhead = 115;	/* it is 1.15, need to divide 100 later */
	static const unsigned int rdma_fifo_width = 16;	/* in unit of byte */
	static const unsigned int ultra_low_time = 6;	/* in unit of us */
	static const unsigned int pre_ultra_low_time = 8;	/* in unit of us */
	static const unsigned int pre_ultra_high_time = 9;	/* in unit of us */
	static const unsigned int fifo_valid_line_ratio = 125;	/* valid size 1/8 line; */
	static const unsigned int fifo_min_size = 32;
	/* working variables */
	unsigned int consume_levels_per_sec;
	unsigned int ultra_low_level;
	unsigned int pre_ultra_low_level;
	unsigned int pre_ultra_high_level;
	unsigned int ultra_high_ofs;
	unsigned int pre_ultra_low_ofs;
	unsigned int pre_ultra_high_ofs;
	unsigned int fifo_valid_size = 16;

	/* compute fifo valid size */

	fifo_valid_size = (width * bpp * fifo_valid_line_ratio) / (rdma_fifo_width * 1000);
	fifo_valid_size = fifo_valid_size > fifo_min_size ? fifo_valid_size : fifo_min_size;
	/* consume_levels_per_sec = ((long long unsigned int)width * height * frame_rate * blank_overhead * bpp) /
					rdma_fifo_width / 100;
	 */
	/* change calculation order to prevent overflow of unsigned int */
	consume_levels_per_sec = (width * height * frame_rate * bpp / rdma_fifo_width / 100) * blank_overhead;

	/* /1000000 for ultra_low_time in unit of us */
	ultra_low_level = (unsigned int)(ultra_low_time * consume_levels_per_sec / 1000000);
	pre_ultra_low_level = (unsigned int)(pre_ultra_low_time * consume_levels_per_sec / 1000000);
	pre_ultra_high_level = (unsigned int)(pre_ultra_high_time * consume_levels_per_sec / 1000000);

	pre_ultra_low_ofs = pre_ultra_low_level - ultra_low_level;
	ultra_high_ofs = 1;
	pre_ultra_high_ofs = pre_ultra_high_level - pre_ultra_low_level;

	if (gUltraEnable == 1) {
		ultra_low_level = 0x6b;
		pre_ultra_low_ofs = 0xa0;
		ultra_high_ofs = 1;
		pre_ultra_high_ofs = 1;
	}
	/* write ultra_low_level, ultra_high_ofs, pre_ultra_low_ofs,
	 * pre_ultra_high_ofs into register DISP_RDMA_MEM_GMC_SETTING_0
	 */
	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_0,
		     ultra_low_level | (pre_ultra_low_ofs << 8) | (ultra_high_ofs << 16) |
		     (pre_ultra_high_ofs << 24));

	/* set rdma ultra/pre-ultra according to resolution */
	if (width > 540) {
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_0, 0x0C011832);
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_1, 0x000000A8);
	}
	else if (width > 480) {
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_0, 0x21010D1C);
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_1, 0x000000B4);
	}
	else {
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_0, 0x28010A16);
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_1, 0x000000B6);
	}

	if (gRDMAUltraSetting)
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_GMC_SETTING_0,
			     gRDMAUltraSetting);

	DISP_REG_SET_FIELD(handle, FIFO_CON_FLD_OUTPUT_VALID_FIFO_THRESHOLD,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_FIFO_CON, fifo_valid_size);

	DDPDBG("FIFO_VALID_Size      = 0x%03x = %d\n", fifo_valid_size, fifo_valid_size);
	DDPDBG("ultra_low_level      = 0x%03x = %d\n", ultra_low_level, ultra_low_level);
	DDPDBG("pre_ultra_low_level  = 0x%03x = %d\n", pre_ultra_low_level, pre_ultra_low_level);
	DDPDBG("pre_ultra_high_level = 0x%03x = %d\n", pre_ultra_high_level, pre_ultra_high_level);
	DDPDBG("ultra_high_ofs       = 0x%03x = %d\n", ultra_high_ofs, ultra_high_ofs);
	DDPDBG("pre_ultra_low_ofs    = 0x%03x = %d\n", pre_ultra_low_ofs, pre_ultra_low_ofs);
	DDPDBG("pre_ultra_high_ofs   = 0x%03x = %d\n", pre_ultra_high_ofs, pre_ultra_high_ofs);
}

/* fixme: spec has no RDMA format, fix enum definition here */
static int rdma_config(DISP_MODULE_ENUM module,
		       enum RDMA_MODE mode,
		       unsigned long address,
		       DpColorFormat inFormat,
		       unsigned pitch,
		       unsigned width,
		       unsigned height, unsigned ufoe_enable, DISP_BUFFER_TYPE sec, void *handle)
{

	unsigned int output_is_yuv = 0;
	enum RDMA_INPUT_FORMAT inputFormat = rdma_input_format_convert(inFormat);
	unsigned int bpp = rdma_input_format_bpp(inputFormat);
	unsigned int input_is_yuv = rdma_input_format_color_space(inputFormat);
	unsigned int input_swap = rdma_input_format_byte_swap(inputFormat);
	unsigned int input_format_reg = rdma_input_format_reg_value(inputFormat);
	unsigned int color_matrix = 0x6;	/* 0110 MTX_BT601_TO_RGB */
	unsigned int idx = rdma_index(module);
	unsigned int size_con_reg = 0;
	unsigned long size_con_handle = 0;

#if defined(CONFIG_TRUSTONIC_TEE_SUPPORT) && defined(CONFIG_MTK_SEC_VIDEO_PATH_SUPPORT)
	DDPMSG
	    ("RDMAConfig idx %d, mode %d, address 0x%lx, inputformat %s, pitch %u, width %u, height %u,sec%d\n",
	     idx, mode, address, rdma_intput_format_name(inputFormat, input_swap), pitch, width,
	     height, sec);
#else
	DDPDBG
	    ("RDMAConfig idx %d, mode %d, address 0x%lx, inputformat %s, pitch %u, width %u, height %u,sec%d\n",
	     idx, mode, address, rdma_intput_format_name(inputFormat, input_swap), pitch, width,
	     height, sec);
#endif
	if ((width > RDMA_MAX_WIDTH) || (height > RDMA_MAX_HEIGHT))
		DDPERR("RDMA input overflow, w=%d, h=%d, max_w=%d, max_h=%d\n", width, height,
		       RDMA_MAX_WIDTH, RDMA_MAX_HEIGHT);

	if (input_is_yuv == 1 && output_is_yuv == 0) {
		DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_MATRIX_ENABLE, &size_con_reg, 1);
		DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_MATRIX_INT_MTX_SEL,
				   &size_con_reg, color_matrix);
	} else if (input_is_yuv == 0 && output_is_yuv == 1) {
		color_matrix = 0x2;	/* 0x0010, RGB_TO_BT601 */

		DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_MATRIX_ENABLE, &size_con_reg, 1);
		DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_MATRIX_INT_MTX_SEL,
				   &size_con_reg, color_matrix);
	} else {
		DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_MATRIX_ENABLE, &size_con_reg, 0);
		DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_MATRIX_INT_MTX_SEL,
				   &size_con_reg, 0);
	}

	DISP_REG_SET_FIELD(handle, GLOBAL_CON_FLD_MODE_SEL,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_GLOBAL_CON, mode);
	/* FORMAT & SWAP only works when RDMA memory mode, set both to 0 when RDMA direct link mode. */
	DISP_REG_SET_FIELD(handle, MEM_CON_FLD_MEM_MODE_INPUT_FORMAT,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_CON,
			   ((mode == RDMA_MODE_DIRECT_LINK) ? 0 : input_format_reg & 0xf));
	DISP_REG_SET_FIELD(handle, MEM_CON_FLD_MEM_MODE_INPUT_SWAP,
			   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_CON,
			   ((mode == RDMA_MODE_DIRECT_LINK) ? 0 : input_swap));

	if (sec != DISP_SECURE_BUFFER) {
		DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_START_ADDR, address);
	} else {
		int m4u_port;
		unsigned int size = pitch * height;

		m4u_port = M4U_PORT_DISP_RDMA0;
		/* for sec layer, addr variable stores sec handle */
		/* we need to pass this handle and offset to cmdq driver */
		/* cmdq sec driver will help to convert handle to correct address */
		cmdqRecWriteSecure(handle,
				   disp_addr_convert(idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_START_ADDR),
				   CMDQ_SAM_H_2_MVA, address, 0, size, m4u_port);
		/* DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_START_ADDR,
				address-0xbc000000+0x8c00000);
		 */
	}

	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_MEM_SRC_PITCH, pitch);
	/* DISP_REG_SET(handle,idx*DISP_RDMA_INDEX_OFFSET+ DISP_REG_RDMA_INT_ENABLE, 0x3F); */
	DISP_REG_SET_FIELD(size_con_handle, SIZE_CON_0_FLD_OUTPUT_FRAME_WIDTH, &size_con_reg, width);
	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_SIZE_CON_0, size_con_reg);
	DISP_REG_SET(handle, idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_SIZE_CON_1, height);

	rdma_set_ultra(idx, width, height, bpp, rdma_fps[idx], handle);
#if 1
	if (ufoe_enable == 0) {	/* UFOE bypassed, enable RDMA underflow intr, else disable RDMA underflow intr */
		DISP_REG_SET_FIELD(handle, FIFO_CON_FLD_FIFO_UNDERFLOW_EN,
				   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_FIFO_CON, 1);
		DISP_REG_SET_FIELD(handle, FIFO_CON_FLD_OUTPUT_VALID_FIFO_THRESHOLD,
				   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_FIFO_CON,
				   gRDMAFIFOLen);
	} else {
		DISP_REG_SET_FIELD(handle, FIFO_CON_FLD_FIFO_UNDERFLOW_EN,
				   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_FIFO_CON, 1);
		DISP_REG_SET_FIELD(handle, FIFO_CON_FLD_OUTPUT_VALID_FIFO_THRESHOLD,
				   idx * DISP_RDMA_INDEX_OFFSET + DISP_REG_RDMA_FIFO_CON,
				   width * 3 * 3 / 16 / 2);	/* FHD:304, HD:203, QHD:151 */
	}
#endif
	return 0;
}

int rdma_clock_on(DISP_MODULE_ENUM module, void *handle)
{
	unsigned int idx = rdma_index(module);
#ifdef ENABLE_CLK_MGR
	if (idx == 0) {
#ifdef CONFIG_MTK_CLKMGR
		enable_clock(MT_CG_DISP0_DISP_RDMA0, "RDMA0");
#else
		ddp_clk_enable(DISP0_DISP_RDMA0);
#endif
	} else {
#ifdef CONFIG_MTK_CLKMGR
		enable_clock(MT_CG_DISP0_DISP_RDMA1, "RDMA1");
#else
		ddp_clk_enable(DISP0_DISP_RDMA1);
#endif
	}
#endif
	DDPMSG("rdma_%d_clock_on CG 0x%x\n", idx, DISP_REG_GET(DISP_REG_CONFIG_MMSYS_CG_CON0));
	return 0;
}

int rdma_clock_off(DISP_MODULE_ENUM module, void *handle)
{
	unsigned int idx = rdma_index(module);
#ifdef ENABLE_CLK_MGR
	if (idx == 0) {
#ifdef CONFIG_MTK_CLKMGR
		disable_clock(MT_CG_DISP0_DISP_RDMA0, "RDMA0");
#else
		ddp_clk_disable(DISP0_DISP_RDMA0);
#endif
	} else {
#ifdef CONFIG_MTK_CLKMGR
		disable_clock(MT_CG_DISP0_DISP_RDMA1, "RDMA1");
#else
		ddp_clk_disable(DISP0_DISP_RDMA1);
#endif
	}
#endif
	DDPMSG("rdma_%d_clock_off CG 0x%x\n", idx, DISP_REG_GET(DISP_REG_CONFIG_MMSYS_CG_CON0));
	return 0;
}

void rdma_dump_reg(DISP_MODULE_ENUM module)
{
	unsigned int idx = rdma_index(module);

	DDPDUMP("== DISP RDMA%d REGS ==\n", idx);
	DDPDUMP("(0x000)R_INTEN       =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_INT_ENABLE + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x004)R_INTS        =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_INT_STATUS + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x010)R_CON         =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_GLOBAL_CON + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x014)R_SIZE0       =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_SIZE_CON_0 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x018)R_SIZE1       =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_SIZE_CON_1 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x01c)R_TAR_LINE    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_TARGET_LINE + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x024)R_M_CON       =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_CON + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0xf00)R_M_S_ADDR    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_START_ADDR + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x02c)R_M_SRC_PITCH =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_SRC_PITCH + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x030)R_M_GMC_SET0  =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_GMC_SETTING_0 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x034)R_M_SLOW_CON  =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_SLOW_CON + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x038)R_M_GMC_SET1  =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_GMC_SETTING_1 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x040)R_FIFO_CON    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_FIFO_CON + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x044)R_FIFO_LOG    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_FIFO_LOG + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x078)R_PRE_ADD0    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_PRE_ADD_0 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x07c)R_PRE_ADD1    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_PRE_ADD_1 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x080)R_PRE_ADD2    =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_PRE_ADD_2 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x084)R_POST_ADD0   =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_POST_ADD_0 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x088)R_POST_ADD1   =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_POST_ADD_1 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x08c)R_POST_ADD2   =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_POST_ADD_2 + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x090)R_DUMMY       =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_DUMMY + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x094)R_OUT_SEL     =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_DEBUG_OUT_SEL + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x094)R_M_START     =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_MEM_START_ADDR + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x0f0)R_IN_PXL_CNT  =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_IN_P_CNT + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x0f4)R_IN_LINE_CNT =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_IN_LINE_CNT + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x0f8)R_OUT_PXL_CNT =0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_OUT_P_CNT + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("(0x0fc)R_OUT_LINE_CNT=0x%x\n",
		DISP_REG_GET(DISP_REG_RDMA_OUT_LINE_CNT + DISP_RDMA_INDEX_OFFSET * idx));
}

void rdma_dump_analysis(DISP_MODULE_ENUM module)
{
	unsigned int idx = rdma_index(module);

	DDPDUMP("==DISP RDMA%d ANALYSIS==\n", idx);
	DDPDUMP("rdma%d: en=%d, memory mode=%d, w=%d, h=%d, pitch=%d, addr=0x%x, fmt=%s, fifo_min=%d,\n",
		idx, DISP_REG_GET(DISP_REG_RDMA_GLOBAL_CON + DISP_RDMA_INDEX_OFFSET * idx) & 0x1,
		(DISP_REG_GET(DISP_REG_RDMA_GLOBAL_CON + DISP_RDMA_INDEX_OFFSET * idx) & 0x2) ? 1 : 0,
		DISP_REG_GET(DISP_REG_RDMA_SIZE_CON_0 + DISP_RDMA_INDEX_OFFSET * idx) & 0xfff,
		DISP_REG_GET(DISP_REG_RDMA_SIZE_CON_1 + DISP_RDMA_INDEX_OFFSET * idx) & 0xfffff,
		DISP_REG_GET(DISP_REG_RDMA_MEM_SRC_PITCH + DISP_RDMA_INDEX_OFFSET * idx),
		DISP_REG_GET(DISP_REG_RDMA_MEM_START_ADDR + DISP_RDMA_INDEX_OFFSET * idx),
		rdma_intput_format_name((DISP_REG_GET(DISP_REG_RDMA_MEM_CON + DISP_RDMA_INDEX_OFFSET * idx) >> 4) & 0xf,
				(DISP_REG_GET(DISP_REG_RDMA_MEM_CON + DISP_RDMA_INDEX_OFFSET * idx) >> 8) & 0x1),
		DISP_REG_GET(DISP_REG_RDMA_FIFO_LOG + DISP_RDMA_INDEX_OFFSET * idx));
	DDPDUMP("in_p_cnt=%d, in_l_cnt=%d, out_p_cnt=%d, out_l_cnt=%d, rdma_start_time=%lld ns,rdma_end_time=%lld ns\n",
		DISP_REG_GET(DISP_REG_RDMA_IN_P_CNT + DISP_RDMA_INDEX_OFFSET * idx),
		DISP_REG_GET(DISP_REG_RDMA_IN_LINE_CNT + DISP_RDMA_INDEX_OFFSET * idx),
		DISP_REG_GET(DISP_REG_RDMA_OUT_P_CNT + DISP_RDMA_INDEX_OFFSET * idx),
		DISP_REG_GET(DISP_REG_RDMA_OUT_LINE_CNT + DISP_RDMA_INDEX_OFFSET * idx),
		rdma_start_time[idx], rdma_end_time[idx]);

	DDPDUMP("irq cnt: start=%d, end=%d, underflow=%d, targetline=%d\n",
		rdma_start_irq_cnt[idx], rdma_done_irq_cnt[idx], rdma_underflow_irq_cnt[idx],
		rdma_targetline_irq_cnt[idx]);
}

static int rdma_dump(DISP_MODULE_ENUM module, int level)
{
	rdma_dump_analysis(module);
	rdma_dump_reg(module);

	return 0;
}

void rdma_get_info(int idx, RDMA_BASIC_STRUCT *info)
{
	RDMA_BASIC_STRUCT *p = info;

	p->addr = DISP_REG_GET(DISP_REG_RDMA_MEM_START_ADDR + DISP_RDMA_INDEX_OFFSET * idx);
	p->src_w = DISP_REG_GET(DISP_REG_RDMA_SIZE_CON_0 + DISP_RDMA_INDEX_OFFSET * idx) & 0xfff;
	p->src_h = DISP_REG_GET(DISP_REG_RDMA_SIZE_CON_1 + DISP_RDMA_INDEX_OFFSET * idx) & 0xfffff;
	p->bpp = rdma_input_format_bpp((DISP_REG_GET(DISP_REG_RDMA_MEM_CON + DISP_RDMA_INDEX_OFFSET * idx) >> 4) &
				       0xf);
}

static inline enum RDMA_MODE rdma_config_mode(unsigned long address)
{
	return address ? RDMA_MODE_MEMORY : RDMA_MODE_DIRECT_LINK;
}

static int do_rdma_config_l(DISP_MODULE_ENUM module, disp_ddp_path_config *pConfig, void *handle)
{
	RDMA_CONFIG_STRUCT *r_config = &pConfig->rdma_config;
	enum RDMA_MODE mode = rdma_config_mode(r_config->address);
	LCM_PARAMS *lcm_param = &(pConfig->dispif_config);
	unsigned int width = pConfig->dst_dirty ? pConfig->dst_w : r_config->width;
	unsigned int height = pConfig->dst_dirty ? pConfig->dst_h : r_config->height;

	if (pConfig->fps)
		rdma_fps[rdma_index(module)] = pConfig->fps / 100;

	if (mode == RDMA_MODE_DIRECT_LINK && r_config->security != DISP_NORMAL_BUFFER)
		DDPERR("%s: rdma directlink BUT is sec ??!!\n", __func__);

	rdma_config(module, mode, (mode == RDMA_MODE_DIRECT_LINK) ? 0 : r_config->address, /* address */
		    (mode == RDMA_MODE_DIRECT_LINK) ? eRGB888 : r_config->inputFormat, /* inputFormat */
		    (mode == RDMA_MODE_DIRECT_LINK) ? 0 : r_config->pitch, /* pitch */
		    width, height, lcm_param->dsi.ufoe_enable, r_config->security, handle);

	return 0;
}

static int setup_rdma_sec(DISP_MODULE_ENUM module, disp_ddp_path_config *pConfig, void *handle)
{
	static int rdma_is_sec[RDMA_INSTANCES];
	CMDQ_ENG_ENUM cmdq_engine;
	int rdma_idx = rdma_index(module);
	DISP_BUFFER_TYPE security = pConfig->rdma_config.security;
	enum RDMA_MODE mode = rdma_config_mode(pConfig->rdma_config.address);

	cmdq_engine = rdma_idx == 0 ? CMDQ_ENG_DISP_RDMA0 : CMDQ_ENG_DISP_RDMA1;

	if (!handle) {
		DDPMSG("[SVP] bypass rdma sec setting sec=%d,handle=NULL\n", security);
		return 0;
	}
	/* sec setting make sence only in memory mode ! */
	if (mode == RDMA_MODE_MEMORY) {
		if (security == DISP_SECURE_BUFFER) {
			cmdqRecSetSecure(handle, 1);
			/* set engine as sec */
			cmdqRecSecureEnablePortSecurity(handle, (1LL << cmdq_engine));
			/* cmdqRecSecureEnableDAPC(handle, (1LL << cmdq_engine)); */

			if (rdma_is_sec[rdma_idx] == 0)
				DDPMSG("[SVP] switch rdma%d to sec\n", rdma_idx);

			rdma_is_sec[rdma_idx] = 1;
		} else {
			if (rdma_is_sec[rdma_idx]) {
				/* rdma is in sec stat, we need to switch it to nonsec */
				cmdqRecHandle nonsec_switch_handle;
				int ret;

				ret = cmdqRecCreate(CMDQ_SCENARIO_DISP_PRIMARY_DISABLE_SECURE_PATH,
						    &(nonsec_switch_handle));
				if (ret)
					DDPAEE("[SVP]fail to create disable handle %s ret=%d\n",
					       __func__, ret);

				cmdqRecReset(nonsec_switch_handle);
				_cmdq_insert_wait_frame_done_token_mira(nonsec_switch_handle);
				cmdqRecSetSecure(nonsec_switch_handle, 1);

				/*ugly work around by kzhang !!. will remove when cmdq delete disable scenario.
				 * To avoid translation fault like ovl (see notes in ovl.c)*/
				do_rdma_config_l(module, pConfig, nonsec_switch_handle);

				/*in fact, dapc/port_sec will be disabled by cmdq */
				cmdqRecSecureEnablePortSecurity(nonsec_switch_handle,
								(1LL << cmdq_engine));
				/* cmdqRecSecureEnableDAPC(nonsec_switch_handle, (1LL << cmdq_engine)); */

				cmdqRecFlush(nonsec_switch_handle);
				cmdqRecDestroy(nonsec_switch_handle);
				DDPMSG("[SVP] switch rdma%d to nonsec done\n", rdma_idx);
			}
			rdma_is_sec[rdma_idx] = 0;
		}
	}
	return 0;
}



static int rdma_config_l(DISP_MODULE_ENUM module, disp_ddp_path_config *pConfig, void *handle)
{
	if (pConfig->dst_dirty || pConfig->rdma_dirty) {
		setup_rdma_sec(module, pConfig, handle);
		do_rdma_config_l(module, pConfig, handle);
	}
	return 0;
}

DDP_MODULE_DRIVER ddp_driver_rdma = {
	.init = rdma_init,
	.deinit = rdma_deinit,
	.config = rdma_config_l,
	.start = rdma_start,
	.trigger = NULL,
	.stop = rdma_stop,
	.reset = rdma_reset,
	.power_on = rdma_clock_on,
	.power_off = rdma_clock_off,
	.is_idle = NULL,
	.is_busy = NULL,
	.dump_info = rdma_dump,
	.bypass = NULL,
	.build_cmdq = NULL,
	.set_lcm_utils = NULL,
	.enable_irq = rdma_enable_irq
};