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|
#if defined(CONFIG_MTK_HDMI_SUPPORT)
#include <linux/string.h>
#include <linux/time.h>
#include <linux/uaccess.h>
#include <linux/debugfs.h>
#include <mach/mt_typedefs.h>
#include <mach/mt_gpio.h>
#include <cust_gpio_usage.h>
#include "ddp_hal.h"
#include "ddp_reg.h"
#include "ddp_info.h"
void DBG_Init(void);
void DBG_Deinit(void);
extern void hdmi_log_enable(int enable);
extern void hdmi_cable_fake_plug_in(void);
extern void hdmi_cable_fake_plug_out(void);
extern void hdmi_mmp_enable(int enable);
extern void hdmi_hwc_enable(int enable);
extern void hdmi_power_on(void);
extern void hdmi_power_off();
extern void hdmi_suspend();
extern void hdmi_resume();
extern void hdmi_force_on(int from_uart_drv);
extern int ext_disp_diagnose();
extern DDP_MODULE_DRIVER *ddp_modules_driver[DISP_MODULE_NUM];
// ---------------------------------------------------------------------------
// External variable declarations
// ---------------------------------------------------------------------------
//extern LCM_DRIVER *lcm_drv;
// ---------------------------------------------------------------------------
// Debug Options
// ---------------------------------------------------------------------------
static char STR_HELP[] =
"\n"
"USAGE\n"
" echo [ACTION]... > hdmi\n"
"\n"
"ACTION\n"
" hdmitx:[on|off]\n"
" enable hdmi video output\n"
"\n";
extern void hdmi_log_enable(int enable);
// TODO: this is a temp debug solution
//extern void hdmi_cable_fake_plug_in(void);
//extern int hdmi_drv_init(void);
static void process_dbg_opt(const char *opt)
{
if (0)
{
}
else if (0 == strncmp(opt, "on", 2))
{
hdmi_power_on();
}
else if (0 == strncmp(opt, "off", 3))
{
hdmi_power_off();
}
else if (0 == strncmp(opt, "suspend", 7))
{
hdmi_suspend();
}
else if (0 == strncmp(opt, "resume", 6))
{
hdmi_resume();
}
else if (0 == strncmp(opt, "colorbar", 8))
{
}
else if (0 == strncmp(opt, "ldooff", 6))
{
}
else if (0 == strncmp(opt, "log:", 4))
{
if (0 == strncmp(opt + 4, "on", 2))
{
hdmi_log_enable(true);
}
else if (0 == strncmp(opt + 4, "off", 3))
{
hdmi_log_enable(false);
}
else
{
goto Error;
}
}
else if (0 == strncmp(opt, "fakecablein:", 12))
{
if (0 == strncmp(opt + 12, "enable", 6))
{
hdmi_cable_fake_plug_in();
}
else if (0 == strncmp(opt + 12, "disable", 7))
{
hdmi_cable_fake_plug_out();
}
else
{
goto Error;
}
}
else if (0 == strncmp(opt, "hdmimmp:", 8))
{
if (0 == strncmp(opt + 8, "on", 2))
{
hdmi_mmp_enable(1);
}
else if (0 == strncmp(opt + 8, "off", 3))
{
hdmi_mmp_enable(0);
}
else if (0 == strncmp(opt + 8, "img", 3))
{
hdmi_mmp_enable(7);
}
else
{
goto Error;
}
}
else if (0 == strncmp(opt, "hdmireg", 7))
{
ext_disp_diagnose();
}
else if (0 == strncmp(opt, "enablehwc:", 10))
{
if (0 == strncmp(opt + 10, "on", 2))
{
hdmi_hwc_enable(1);
}
else if (0 == strncmp(opt + 10, "off", 3))
{
hdmi_hwc_enable(0);
}
}
else if (0 == strncmp(opt, "I2S1:", 5))
{
#ifdef GPIO_MHL_I2S_OUT_WS_PIN
if (0 == strncmp(opt + 5, "on", 2))
{
printk("[hdmi][Debug] Enable I2S1 \n");
mt_set_gpio_mode(GPIO_MHL_I2S_OUT_WS_PIN, GPIO_MODE_01);
mt_set_gpio_mode(GPIO_MHL_I2S_OUT_CK_PIN, GPIO_MODE_01);
mt_set_gpio_mode(GPIO_MHL_I2S_OUT_DAT_PIN, GPIO_MODE_01);
}
else if (0 == strncmp(opt + 5, "off", 3))
{
printk("[hdmi][Debug] Disable I2S1 \n");
mt_set_gpio_mode(GPIO_MHL_I2S_OUT_WS_PIN, GPIO_MODE_02);
mt_set_gpio_mode(GPIO_MHL_I2S_OUT_CK_PIN, GPIO_MODE_01);
mt_set_gpio_mode(GPIO_MHL_I2S_OUT_DAT_PIN, GPIO_MODE_02);
}
#endif
}
else if (0 == strncmp(opt, "DPI_IO_DRIVING:", 15))
{
/*
if (0 == strncmp(opt + 15, "4", 1))
{
MASKREG32(DISPSYS_IO_DRIVING, 0x3C00, 0x0000);
}
else if (0 == strncmp(opt + 15, "8", 1))
{
MASKREG32(DISPSYS_IO_DRIVING, 0x3C00, 0x1400);
}
else if (0 == strncmp(opt + 15, "12", 2))
{
MASKREG32(DISPSYS_IO_DRIVING, 0x3C00, 0x2800);
}
else if (0 == strncmp(opt + 15, "16", 2))
{
MASKREG32(DISPSYS_IO_DRIVING, 0x3C00, 0x3C00);
}
*/
}
else if (0 == strncmp(opt, "DPI_DUMP:", 9))
{
if (ddp_modules_driver[DISP_MODULE_DPI]->dump_info != NULL)
{
ddp_modules_driver[DISP_MODULE_DPI]->dump_info(DISP_MODULE_DPI, 1);
}
}
else if (0 == strncmp(opt, "forceon", 7))
{
hdmi_force_on(false);
}
else
{
goto Error;
}
return;
Error:
printk("[hdmitx] parse command error!\n\n%s", STR_HELP);
}
static void process_dbg_cmd(char *cmd)
{
char *tok;
printk("[hdmitx] %s\n", cmd);
while ((tok = strsep(&cmd, " ")) != NULL)
{
process_dbg_opt(tok);
}
}
// ---------------------------------------------------------------------------
// Debug FileSystem Routines
// ---------------------------------------------------------------------------
struct dentry *hdmitx_dbgfs = NULL;
static ssize_t debug_open(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
static char debug_buffer[2048];
static ssize_t debug_read(struct file *file,
char __user *ubuf, size_t count, loff_t *ppos)
{
const int debug_bufmax = sizeof(debug_buffer) - 1;
int n = 0;
n += scnprintf(debug_buffer + n, debug_bufmax - n, STR_HELP);
debug_buffer[n++] = 0;
return simple_read_from_buffer(ubuf, count, ppos, debug_buffer, n);
}
static ssize_t debug_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
const int debug_bufmax = sizeof(debug_buffer) - 1;
size_t ret;
ret = count;
if (count > debug_bufmax)
{
count = debug_bufmax;
}
if (copy_from_user(&debug_buffer, ubuf, count))
{
return -EFAULT;
}
debug_buffer[count] = 0;
process_dbg_cmd(debug_buffer);
return ret;
}
static struct file_operations debug_fops =
{
.read = debug_read,
.write = debug_write,
.open = debug_open,
};
void HDMI_DBG_Init(void)
{
hdmitx_dbgfs = debugfs_create_file("hdmi",
S_IFREG | S_IRUGO, NULL, (void *)0, &debug_fops);
}
void HDMI_DBG_Deinit(void)
{
debugfs_remove(hdmitx_dbgfs);
}
#endif
|
