platform/msm_shared/mipi_dsi.c

/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of Code Aurora Forum, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <reg.h>
#include <endian.h>
#include <mipi_dsi.h>
#include <dev/fbcon.h>
#include <stdlib.h>
#include <debug.h>
#include <target/display.h>
#include <platform/iomap.h>
#include <platform/clock.h>

extern void mdp_disable(void);
extern int mipi_dsi_cmd_config(struct fbcon_config mipi_fb_cfg, unsigned short num_of_lanes);
extern void mdp_shutdown(void);
extern void mdp_start_dma(void);

#if DISPLAY_MIPI_PANEL_TOSHIBA
static struct fbcon_config mipi_fb_cfg = {
    .height = TSH_MIPI_FB_HEIGHT,
    .width = TSH_MIPI_FB_WIDTH,
    .stride = TSH_MIPI_FB_WIDTH,
    .format = FB_FORMAT_RGB888,
    .bpp = 24,
    .update_start = NULL,
    .update_done = NULL,
};
struct mipi_dsi_panel_config toshiba_panel_info = {
    .mode = MIPI_VIDEO_MODE,
    .num_of_lanes = 1,
    .dsi_phy_config = &mipi_dsi_toshiba_panel_phy_ctrl,
    .panel_cmds = toshiba_panel_video_mode_cmds,
    .num_of_panel_cmds = ARRAY_SIZE(toshiba_panel_video_mode_cmds),
};
#elif DISPLAY_MIPI_PANEL_NOVATEK_BLUE
static struct fbcon_config mipi_fb_cfg = {
    .height = NOV_MIPI_FB_HEIGHT,
    .width = NOV_MIPI_FB_WIDTH,
    .stride = NOV_MIPI_FB_WIDTH,
    .format = FB_FORMAT_RGB888,
    .bpp = 24,
    .update_start = NULL,
    .update_done = NULL,
};
struct mipi_dsi_panel_config novatek_panel_info = {
    .mode = MIPI_CMD_MODE,
    .num_of_lanes = 2,
    .dsi_phy_config = &mipi_dsi_novatek_panel_phy_ctrl,
    .panel_cmds = novatek_panel_cmd_mode_cmds,
    .num_of_panel_cmds = ARRAY_SIZE(novatek_panel_cmd_mode_cmds),
};
#elif DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
static struct fbcon_config mipi_fb_cfg = {
    .height = TSH_MDT61_MIPI_FB_HEIGHT,
    .width = TSH_MDT61_MIPI_FB_WIDTH,
    .stride = TSH_MDT61_MIPI_FB_WIDTH,
    .format = FB_FORMAT_RGB888,
    .bpp = 24,
    .update_start = NULL,
    .update_done = NULL,
};
struct mipi_dsi_panel_config toshiba_mdt61_panel_info = {
    .mode = MIPI_VIDEO_MODE,
    .num_of_lanes = 3,
    .dsi_phy_config = &mipi_dsi_toshiba_mdt61_panel_phy_ctrl,
    .panel_cmds = toshiba_mdt61_video_mode_cmds,
    .num_of_panel_cmds = ARRAY_SIZE(toshiba_mdt61_video_mode_cmds),
};
#elif DISPLAY_MIPI_PANEL_RENESAS
static struct fbcon_config mipi_fb_cfg = {
    .height = REN_MIPI_FB_HEIGHT,
    .width = REN_MIPI_FB_WIDTH,
    .stride = REN_MIPI_FB_WIDTH,
    .format = FB_FORMAT_RGB888,
    .bpp = 24,
    .update_start = NULL,
    .update_done = NULL,
};
struct mipi_dsi_panel_config renesas_panel_info = {
    .mode = MIPI_VIDEO_MODE,
    .num_of_lanes = 2,
    .dsi_phy_config = &mipi_dsi_renesas_panel_phy_ctrl,
    .panel_cmds = renesas_panel_video_mode_cmds,
    .num_of_panel_cmds = ARRAY_SIZE(renesas_panel_video_mode_cmds),
    .lane_swap = 1,
};
#else
static struct fbcon_config mipi_fb_cfg = {
    .height = 0,
    .width = 0,
    .stride = 0,
    .format = 0,
    .bpp = 0,
    .update_start = NULL,
    .update_done = NULL,
};
#endif

static int cmd_mode_status = 0;
void secure_writel(uint32_t, uint32_t);
uint32_t secure_readl(uint32_t);

int mipi_dsi_phy_ctrl_config(struct mipi_dsi_panel_config *pinfo)
{
    unsigned i;
    unsigned off = 0;
    struct mipi_dsi_phy_ctrl *pd;

    writel(0x00000001, DSIPHY_SW_RESET);
    writel(0x00000000, DSIPHY_SW_RESET);

    pd = (pinfo->dsi_phy_config);

    off = 0x02cc;               /* regulator ctrl 0 */
    for (i = 0; i < 4; i++) {
        writel(pd->regulator[i], MIPI_DSI_BASE + off);
        off += 4;
    }

    off = 0x0260;               /* phy timig ctrl 0 */
    for (i = 0; i < 11; i++) {
        writel(pd->timing[i], MIPI_DSI_BASE + off);
        off += 4;
    }

    // T_CLK_POST, T_CLK_PRE for CLK lane P/N HS 200 mV timing length should >
    // data lane HS timing length
    writel(0xa1e, DSI_CLKOUT_TIMING_CTRL);

    off = 0x0290;               /* ctrl 0 */
    for (i = 0; i < 4; i++) {
        writel(pd->ctrl[i], MIPI_DSI_BASE + off);
        off += 4;
    }

    off = 0x02a0;               /* strength 0 */
    for (i = 0; i < 4; i++) {
        writel(pd->strength[i], MIPI_DSI_BASE + off);
        off += 4;
    }

    off = 0x0204;               /* pll ctrl 1, skip 0 */
    for (i = 1; i < 21; i++) {
        writel(pd->pll[i], MIPI_DSI_BASE + off);
        off += 4;
    }

    /* pll ctrl 0 */
    writel(pd->pll[0], MIPI_DSI_BASE + 0x200);
    writel((pd->pll[0] | 0x01), MIPI_DSI_BASE + 0x200);
    /* lane swp ctrol */
    if (pinfo->lane_swap)
    writel(pinfo->lane_swap, MIPI_DSI_BASE + 0xac);
    return (0);
}

struct mipi_dsi_panel_config *get_panel_info(void)
{
#if  DISPLAY_MIPI_PANEL_TOSHIBA
    return &toshiba_panel_info;
#elif DISPLAY_MIPI_PANEL_NOVATEK_BLUE
    return &novatek_panel_info;
#elif DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
    return &toshiba_mdt61_panel_info;
#elif DISPLAY_MIPI_PANEL_RENESAS
    return &renesas_panel_info;
#endif
    return NULL;
}

int dsi_cmd_dma_trigger_for_panel()
{
    unsigned long ReadValue;
    unsigned long count = 0;
    int status = 0;

    writel(0x03030303, DSI_INT_CTRL);
    writel(0x1, DSI_CMD_MODE_DMA_SW_TRIGGER);
    ReadValue = readl(DSI_INT_CTRL) & 0x00000001;
    while (ReadValue != 0x00000001) {
        ReadValue = readl(DSI_INT_CTRL) & 0x00000001;
        count++;
        if (count > 0xffff) {
            status = FAIL;
            dprintf(CRITICAL, "Panel CMD: command mode dma test failed\n");
            return status;
        }
    }

    writel((readl(DSI_INT_CTRL) | 0x01000001), DSI_INT_CTRL);
    dprintf
        (SPEW, "Panel CMD: command mode dma tested successfully\n");
    return status;
}


int mipi_dsi_cmds_tx(struct mipi_dsi_cmd *cmds, int count)
{
    int ret = 0;
    struct mipi_dsi_cmd *cm;
    int i = 0;

    cm = cmds;
    for (i = 0; i < count; i++) {
        memcpy(DSI_CMD_DMA_MEM_START_ADDR_PANEL, (cm->payload), cm->size);
        writel(DSI_CMD_DMA_MEM_START_ADDR_PANEL, DSI_DMA_CMD_OFFSET);
        writel(cm->size, DSI_DMA_CMD_LENGTH);   // reg 0x48 for this build
        ret += dsi_cmd_dma_trigger_for_panel();
        udelay(80);
        cm++;
    }
    return ret;
}

/*
 * mipi_dsi_cmd_rx: can receive at most 16 bytes
 * per transaction since it only have 4 32bits reigsters
 * to hold data.
 * therefore Maximum Return Packet Size need to be set to 16.
 * any return data more than MRPS need to be break down
 * to multiple transactions.
 */
int mipi_dsi_cmds_rx(char **rp, int len)
{
    uint32_t *lp, data;
    char * dp;
    int i, off, cnt;
    int rlen, res;

    if(len <= 2)
        rlen = 4; /* short read */
    else
        rlen = MIPI_DSI_MRPS + 6; /* 4 bytes header + 2 bytes crc */

    if (rlen > MIPI_DSI_REG_LEN) {
        return 0;
    }

    res = rlen & 0x03;

    rlen += res; /* 4 byte align */
    lp = (uint32_t *)(*rp);

    cnt = rlen;
    cnt += 3;
    cnt >>=2;

    if (cnt > 4)
        cnt = 4; /* 4 x 32 bits registers only */

    off = 0x068; /* DSI_RDBK_DATA0 */
    off += ((cnt - 1) * 4);

    for (i = 0; i < cnt; i++) {
        data = (uint32_t)readl(MIPI_DSI_BASE + off);
        *lp++ = ntohl(data);    /* to network byte order */
        off -= 4;
    }

    if(len > 2)
    {
        /*First 4 bytes + paded bytes will be header next len bytes would be payload*/
        for(i = 0; i < len; i++)
        {
            dp = *rp;
            dp[i] = dp[4 + res + i];
        }
    }

    return len;
}

static int mipi_dsi_cmd_bta_sw_trigger(void)
{
    uint32_t data;
    int cnt = 0;
    int err = 0;

    writel(0x01, MIPI_DSI_BASE + 0x094);  /* trigger */
    while (cnt < 10000) {
        data = readl(MIPI_DSI_BASE + 0x0004); /*DSI_STATUS*/
        if ((data & 0x0010) == 0)
            break;
        cnt++;
    }
    if(cnt == 10000)
        err = 1;
    return err;
}

static uint32_t mipi_novatek_manufacture_id(void)
{
    char rec_buf[24];
    char *rp = rec_buf;
    uint32_t *lp, data;

    mipi_dsi_cmds_tx(&novatek_panel_manufacture_id_cmd, 1);
    mipi_dsi_cmds_rx(&rp, 3);

    lp = (uint32_t *)rp;
    data = (uint32_t)*lp;
    data = ntohl(data);
    data = data >> 8;
    return data;
}

int mipi_dsi_panel_initialize(struct mipi_dsi_panel_config *pinfo)
{
    unsigned char DMA_STREAM1 = 0;  // for mdp display processor path
    unsigned char EMBED_MODE1 = 1;  // from frame buffer
    unsigned char POWER_MODE2 = 1;  // from frame buffer
    unsigned char PACK_TYPE1 = 1;   // long packet
    unsigned char VC1 = 0;
    unsigned char DT1 = 0;      // non embedded mode
    unsigned short WC1 = 0;     // for non embedded mode only
    int status = 0;
    unsigned char DLNx_EN;

    switch (pinfo->num_of_lanes) {
    default:
    case 1:
        DLNx_EN = 1;            // 1 lane
        break;
    case 2:
        DLNx_EN = 3;            // 2 lane
        break;
    case 3:
        DLNx_EN = 7;            // 3 lane
        break;
    }

    writel(0x0001, DSI_SOFT_RESET);
    writel(0x0000, DSI_SOFT_RESET);

    writel((0 << 16) | 0x3f, DSI_CLK_CTRL);    /* Turn on all DSI Clks */
    writel(DMA_STREAM1 << 8 | 0x04, DSI_TRIG_CTRL); // reg 0x80 dma trigger: sw
    // trigger 0x4; dma stream1

    writel(0 << 30 | DLNx_EN << 4 | 0x105, DSI_CTRL);   // reg 0x00 for this
    // build
    writel(EMBED_MODE1 << 28 | POWER_MODE2 << 26
           | PACK_TYPE1 << 24 | VC1 << 22 | DT1 << 16 | WC1,
           DSI_COMMAND_MODE_DMA_CTRL);

    status = mipi_dsi_cmds_tx(pinfo->panel_cmds, pinfo->num_of_panel_cmds);

    return status;
}

//TODO: Clean up arguments being passed in not being used
int config_dsi_video_mode(unsigned short disp_width, unsigned short disp_height,
                          unsigned short img_width, unsigned short img_height,
                          unsigned short hsync_porch0_fp,
                          unsigned short hsync_porch0_bp,
                          unsigned short vsync_porch0_fp,
                          unsigned short vsync_porch0_bp,
                          unsigned short hsync_width,
                          unsigned short vsync_width, unsigned short dst_format,
                          unsigned short traffic_mode,
                          unsigned short datalane_num)
{

    unsigned char DST_FORMAT;
    unsigned char TRAFIC_MODE;
    unsigned char DLNx_EN;
    // video mode data ctrl
    int status = 0;
    unsigned long low_pwr_stop_mode = 0;
    unsigned char eof_bllp_pwr = 0x9;
    unsigned char interleav = 0;

    // disable mdp first
    mdp_disable();

    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000002, DSI_CLK_CTRL);
    writel(0x00000006, DSI_CLK_CTRL);
    writel(0x0000000e, DSI_CLK_CTRL);
    writel(0x0000001e, DSI_CLK_CTRL);
    writel(0x0000003e, DSI_CLK_CTRL);

    writel(0, DSI_CTRL);

    writel(0, DSI_ERR_INT_MASK0);

    DST_FORMAT = 0;             // RGB565
    dprintf(SPEW, "DSI_Video_Mode - Dst Format: RGB565\n");

    DLNx_EN = 1;                // 1 lane with clk programming
    dprintf(SPEW, "Data Lane: 1 lane\n");

    TRAFIC_MODE = 0;            // non burst mode with sync pulses
    dprintf(SPEW, "Traffic mode: non burst mode with sync pulses\n");

    writel(0x02020202, DSI_INT_CTRL);

    writel(((img_width + hsync_porch0_bp) << 16) | hsync_porch0_bp,
           DSI_VIDEO_MODE_ACTIVE_H);

    writel(((img_height + vsync_porch0_bp) << 16) | (vsync_porch0_bp),
           DSI_VIDEO_MODE_ACTIVE_V);

    writel(((img_height + vsync_porch0_fp + vsync_porch0_bp) << 16)
           | img_width + hsync_porch0_fp + hsync_porch0_bp,
           DSI_VIDEO_MODE_TOTAL);

    writel((hsync_width << 16) | 0, DSI_VIDEO_MODE_HSYNC);

    writel(0 << 16 | 0, DSI_VIDEO_MODE_VSYNC);

    writel(vsync_width << 16 | 0, DSI_VIDEO_MODE_VSYNC_VPOS);

    writel(1, DSI_EOT_PACKET_CTRL);

    writel(0x00000100, DSI_MISR_VIDEO_CTRL);

    writel(low_pwr_stop_mode << 16 | eof_bllp_pwr << 12 | TRAFIC_MODE << 8
           | DST_FORMAT << 4 | 0x0, DSI_VIDEO_MODE_CTRL);

    writel(0x67, DSI_CAL_STRENGTH_CTRL);

    writel(0x80006711, DSI_CAL_CTRL);

    writel(0x00010100, DSI_MISR_VIDEO_CTRL);

    writel(0x00010100, DSI_INT_CTRL);
    writel(0x02010202, DSI_INT_CTRL);

    writel(0x02030303, DSI_INT_CTRL);

    writel(interleav << 30 | 0 << 24 | 0 << 20 | DLNx_EN << 4
           | 0x103, DSI_CTRL);
    mdelay(10);

    return status;
}

int config_dsi_cmd_mode(unsigned short disp_width, unsigned short disp_height,
                        unsigned short img_width, unsigned short img_height,
                        unsigned short dst_format,
                        unsigned short traffic_mode,
                        unsigned short datalane_num)
{
    unsigned char DST_FORMAT;
    unsigned char TRAFIC_MODE;
    unsigned char DLNx_EN;
    // video mode data ctrl
    int status = 0;
	unsigned char interleav = 0;
	unsigned char ystride = 0x03;
    // disable mdp first

    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000000, DSI_CLK_CTRL);
    writel(0x00000002, DSI_CLK_CTRL);
    writel(0x00000006, DSI_CLK_CTRL);
    writel(0x0000000e, DSI_CLK_CTRL);
    writel(0x0000001e, DSI_CLK_CTRL);
    writel(0x0000003e, DSI_CLK_CTRL);

    writel(0x10000000, DSI_ERR_INT_MASK0);

    // writel(0, DSI_CTRL);

    // writel(0, DSI_ERR_INT_MASK0);

    DST_FORMAT = 8;             // RGB888
    dprintf(SPEW, "DSI_Cmd_Mode - Dst Format: RGB888\n");

    DLNx_EN = 3;                // 2 lane with clk programming
    dprintf(SPEW, "Data Lane: 2 lane\n");

    TRAFIC_MODE = 0;            // non burst mode with sync pulses
    dprintf(SPEW, "Traffic mode: non burst mode with sync pulses\n");

    writel(0x02020202, DSI_INT_CTRL);

    writel(0x00100000 | DST_FORMAT, DSI_COMMAND_MODE_MDP_CTRL);
    writel((img_width * ystride + 1) << 16 | 0x0039,
           DSI_COMMAND_MODE_MDP_STREAM0_CTRL);
    writel((img_width * ystride + 1) << 16 | 0x0039,
           DSI_COMMAND_MODE_MDP_STREAM1_CTRL);
    writel(img_height << 16 | img_width, DSI_COMMAND_MODE_MDP_STREAM0_TOTAL);
    writel(img_height << 16 | img_width, DSI_COMMAND_MODE_MDP_STREAM1_TOTAL);
    writel(0xEE, DSI_CAL_STRENGTH_CTRL);
    writel(0x80000000, DSI_CAL_CTRL);
    writel(0x40, DSI_TRIG_CTRL);
    writel(0x13c2c, DSI_COMMAND_MODE_MDP_DCS_CMD_CTRL);
    writel(interleav << 30 | 0 << 24 | 0 << 20 | DLNx_EN << 4 | 0x105,
           DSI_CTRL);
    mdelay(10);
    writel(0x10000000, DSI_COMMAND_MODE_DMA_CTRL);
    writel(0x10000000, DSI_MISR_CMD_CTRL);
    writel(0x00000040, DSI_ERR_INT_MASK0);
    writel(0x1, DSI_EOT_PACKET_CTRL);
    // writel(0x0, MDP_OVERLAYPROC0_START);
    mdp_start_dma();
    mdelay(10);
    writel(0x1, DSI_CMD_MODE_MDP_SW_TRIGGER);

    status = 1;
    return status;
}

int mipi_dsi_video_config(unsigned short num_of_lanes)
{

    int status = 0;
    unsigned long ReadValue;
    unsigned long count = 0;
    unsigned long low_pwr_stop_mode = 0;    // low power mode 0x1111 start from
    // bit16, high spd mode 0x0
    unsigned char eof_bllp_pwr = 0x9;   // bit 12, 15, 1:low power stop mode or
    // let cmd mode eng send packets in hs
    // or lp mode
    unsigned short display_wd = mipi_fb_cfg.width;
    unsigned short display_ht = mipi_fb_cfg.height;
    unsigned short image_wd = mipi_fb_cfg.width;
    unsigned short image_ht = mipi_fb_cfg.height;
    unsigned short hsync_porch_fp = MIPI_HSYNC_FRONT_PORCH_DCLK;
    unsigned short hsync_porch_bp = MIPI_HSYNC_BACK_PORCH_DCLK;
    unsigned short vsync_porch_fp = MIPI_VSYNC_FRONT_PORCH_LINES;
    unsigned short vsync_porch_bp = MIPI_VSYNC_BACK_PORCH_LINES;
    unsigned short hsync_width = MIPI_HSYNC_PULSE_WIDTH;
    unsigned short vsync_width = MIPI_VSYNC_PULSE_WIDTH;
    unsigned short dst_format = 0;
    unsigned short traffic_mode = 0;
    unsigned short pack_pattern = 0x12; //BGR
    unsigned char ystride = 3;

    low_pwr_stop_mode = 0x1111; // low pwr mode bit16:HSA, bit20:HBA,
    // bit24:HFP, bit28:PULSE MODE, need enough
    // time for swithc from LP to HS
    eof_bllp_pwr = 0x9;         // low power stop mode or let cmd mode eng send
    // packets in hs or lp mode

#if DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
    pack_pattern = 0x21; //RGB
    config_mdt61_dsi_video_mode();

    /* Two functions make up mdp_setup_dma_p_video_mode with mdt61 panel functions*/
    mdp_setup_dma_p_video_config(pack_pattern, image_wd, image_ht, MIPI_FB_ADDR, image_wd, ystride);
    mdp_setup_mdt61_video_dsi_config();
#elif DISPLAY_MIPI_PANEL_RENESAS
    pack_pattern = 0x21; //RGB
    config_renesas_dsi_video_mode();

    status +=
        mdp_setup_dma_p_video_mode(display_wd, display_ht, image_wd, image_ht,
                                   hsync_porch_fp, hsync_porch_bp,
                                   vsync_porch_fp, vsync_porch_bp, hsync_width,
                                   vsync_width, MIPI_FB_ADDR, image_wd,
                                   pack_pattern, ystride);
#else
    status += config_dsi_video_mode(display_wd, display_ht, image_wd, image_ht,
                                    hsync_porch_fp, hsync_porch_bp,
                                    vsync_porch_fp, vsync_porch_bp, hsync_width,
                                    vsync_width, dst_format, traffic_mode,
                                    num_of_lanes);

    status +=
        mdp_setup_dma_p_video_mode(display_wd, display_ht, image_wd, image_ht,
                                   hsync_porch_fp, hsync_porch_bp,
                                   vsync_porch_fp, vsync_porch_bp, hsync_width,
                                   vsync_width, MIPI_FB_ADDR, image_wd,
                                   pack_pattern, ystride);
#endif

    ReadValue = readl(DSI_INT_CTRL) & 0x00010000;
    while (ReadValue != 0x00010000) {
        ReadValue = readl(DSI_INT_CTRL) & 0x00010000;
        count++;
        if (count > 0xffff) {
            status = FAIL;
            dprintf(CRITICAL, "Video lane test failed\n");
            return status;
        }
    }

    dprintf(SPEW, "Video lane tested successfully\n");
    return status;
}

int is_cmd_mode_enabled(void)
{
    return cmd_mode_status;
}

#if DISPLAY_MIPI_PANEL_NOVATEK_BLUE
void mipi_dsi_cmd_mode_trigger(void)
{
    int status = 0;
    unsigned short display_wd = mipi_fb_cfg.width;
    unsigned short display_ht = mipi_fb_cfg.height;
    unsigned short image_wd = mipi_fb_cfg.width;
    unsigned short image_ht = mipi_fb_cfg.height;
    unsigned short dst_format = 0;
    unsigned short traffic_mode = 0;
    struct mipi_dsi_panel_config *panel_info = &novatek_panel_info;
    status += mipi_dsi_cmd_config(mipi_fb_cfg, panel_info->num_of_lanes);
    mdelay(50);
    config_dsi_cmd_mode(display_wd, display_ht, image_wd, image_ht,
                        dst_format, traffic_mode,
                        panel_info->num_of_lanes /* num_of_lanes */ );
}
#endif

void mipi_dsi_shutdown(void)
{
    mdp_shutdown();
    writel(0x01010101, DSI_INT_CTRL);
    writel(0x13FF3BFF, DSI_ERR_INT_MASK0);
    writel(0, DSIPHY_PLL_CTRL(0));
    writel(0, DSI_CLK_CTRL);
    writel(0, DSI_CTRL);
#if DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
    writel(0x0, DSI_CC_REG);
    writel(0x0, PIXEL_CC_REG);
#elif (!DISPLAY_MIPI_PANEL_RENESAS)
    secure_writel(0x0, DSI_CC_REG);
    secure_writel(0x0, PIXEL_CC_REG);
#endif
}

struct fbcon_config *mipi_init(void)
{
    int status = 0;
    struct mipi_dsi_panel_config *panel_info = get_panel_info();
    /* Enable MMSS_AHB_ARB_MATER_PORT_E for arbiter master0 and master 1 request */
#if (!DISPLAY_MIPI_PANEL_RENESAS)
    writel(0x00001800, MMSS_SFPB_GPREG);
#endif

#if DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
    mipi_dsi_phy_init(panel_info);
#else
    mipi_dsi_phy_ctrl_config(panel_info);
#endif

    status += mipi_dsi_panel_initialize(panel_info);

#if DISPLAY_MIPI_PANEL_NOVATEK_BLUE
    mipi_dsi_cmd_bta_sw_trigger();
    mipi_novatek_manufacture_id();
#endif
    mipi_fb_cfg.base = MIPI_FB_ADDR;

    if (panel_info->mode == MIPI_VIDEO_MODE)
        status += mipi_dsi_video_config(panel_info->num_of_lanes);

    if (panel_info->mode == MIPI_CMD_MODE)
        cmd_mode_status = 1;

    return &mipi_fb_cfg;
}