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Commit 53c2191d authored by tracychui's avatar tracychui Committed by tracychui(71954)
Browse files

Add memory detect node for service menu 

root cause:N/A

How to fix:N/A

Feature:detect memory 2nd source

Change-Id: I232b1713cbc18f8eff22f2f5dd3c692ebeeadc57
RiskArea:display, memory
parent ee788d2f

drivers/video/fbdev/msm/mdss_dsi.c

+72 −1
Original line number Diff line number Diff line
@@ -44,12 +44,43 @@ 
#define XO_CLK_RATE	19200000

#define CMDLINE_DSI_CTL_NUM_STRING_LEN 2



/*[20191024][TracyChui]Add memory detect node for service menu start */

static u8 memorycid[20] = {0};

/*[20191024][TracyChui]Add memory detect node for service menu end */



/* Master structure to hold all the information about the DSI/panel */

static struct mdss_dsi_data *mdss_dsi_res;



#define DSI_DISABLE_PC_LATENCY 100

#define DSI_ENABLE_PC_LATENCY PM_QOS_DEFAULT_VALUE



/*[20191024][TracyChui]Add memory detect node for service menu start */

void Arima_read_file_func(char *pFilePath, u8 *pBuf, u16 nLength)

{

    struct file *pFile = NULL;

    mm_segment_t old_fs;

    ssize_t nReadBytes = 0;



    old_fs = get_fs();

    set_fs(get_ds());



    pFile = filp_open(pFilePath, O_RDONLY, 0);



    if (IS_ERR(pFile)) {

        printk ( "[Tracy]Open file failed: %s\n", pFilePath);

        return;

    }



    pFile->f_op->llseek(pFile, 0, SEEK_SET);

    nReadBytes = pFile->f_op->read(pFile, pBuf, nLength, &pFile->f_pos);

    printk ( "[Tracy]Read %d bytes!\n", (int)nReadBytes);



    set_fs(old_fs);



    filp_close(pFile, NULL);

}

/*[20191024][TracyChui]Add memory detect node for service menu end */



static struct pm_qos_request mdss_dsi_pm_qos_request;



void mdss_dump_dsi_debug_bus(u32 bus_dump_flag,
@@ -1525,6 +1556,13 @@ int mdss_dsi_on(struct mdss_panel_data *pdata) 
	struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;

	int cur_power_state;



/*[20191024][TracyChui]Add memory detect node for service menu start */

	if (memorycid[0]!=0x31)

		{

			Arima_read_file_func(MEMORY_CID_PATCH, memorycid, 20);

		}

/*[20191024][TracyChui]Add memory detect node for service menu end */



	if (pdata == NULL) {

		pr_err("%s: Invalid input data\n", __func__);

		return -EINVAL;
@@ -3356,6 +3394,35 @@ static const struct file_operations proc_lcm_revision_fops = { 


/*[Arima_8901][Jialongjhan] Expose display revision 20190326 end*/



/*[20191024][TracyChui]Add memory detect node for service menu start */

static int proc_memory_vendor_show(struct seq_file *m, void *v)

{

	printk("[Tracy]memory cid : %s \n", memorycid);



	if(memorycid[6]==0x35)

		{

	      seq_printf(m, "SAMSUNG_2ND\n");

		}

	else

		{

		 seq_printf(m, "SAMSUNG_Main\n");

		}

    return 0;

}



static int proc_memory_vendor_open(struct inode *inode, struct file *file)

{

    return single_open(file, proc_memory_vendor_show, NULL);

}



static const struct file_operations proc_memory_vendor_fops = {

    .open  = proc_memory_vendor_open,

    .read = seq_read,

    .llseek = seq_lseek,

    .release = single_release,

};

/*[20191024][TracyChui]Add memory detect node for service menu end */



static int mdss_dsi_ctrl_probe(struct platform_device *pdev)

{

	int rc = 0;
@@ -3555,6 +3622,10 @@ static int mdss_dsi_ctrl_probe(struct platform_device *pdev) 
    proc_create("lcm_revision", 0666, NULL, &proc_lcm_revision_fops);

    //[Arima_8901][Jialongjhan] Expose display revision 20190326 end



	/*[20191024][TracyChui]Add memory detect node for service menu start */

	proc_create("memory_vendor", 0666, NULL, &proc_memory_vendor_fops);

	/*[20191024][TracyChui]Add memory detect node for service menu end */



	return 0;



error_shadow_clk_deinit:

drivers/video/fbdev/msm/mdss_dsi.h

100644 → 100755
+7 −0
Original line number Diff line number Diff line
@@ -19,6 +19,9 @@ 
#include <linux/irqreturn.h>

#include <linux/pinctrl/consumer.h>

#include <linux/gpio.h>

/*[20191024][TracyChui]Add memory detect node for service menu start */

#include <linux/file.h>

/*[20191024][TracyChui]Add memory detect node for service menu end */



#include "mdss_panel.h"

#include "mdss_dsi_cmd.h"
@@ -65,6 +68,10 @@ 
#define MDSS_STATUS_TE_WAIT_MAX		3

#define NONE_PANEL "none"



/*[20191024][TracyChui]Add memory detect node for service menu start */

#define MEMORY_CID_PATCH "/sys/class/mmc_host/mmc0/mmc0:0001/cid"

/*[20191024][TracyChui]Add memory detect node for service menu end */



enum {		/* mipi dsi panel */

	DSI_VIDEO_MODE,

	DSI_CMD_MODE,