drivers/misc/mediatek/power_gs/mt8127/mt_power_gs_2g_paging.c

   1 #include <linux/init.h>
   2 #include <linux/module.h>
   3 #include <linux/kernel.h>
   4 #include <linux/version.h>
   5
   6 #include <mach/mt_typedefs.h>
   7 #include <mach/mt_power_gs.h>
   8
   9 extern unsigned int *mt8127_power_gs_2g_paging;
  10 extern unsigned int mt8127_power_gs_2g_paging_len;
  11
  12 extern unsigned int *mt6323_power_gs_2g_paging;
  13 extern unsigned int mt6323_power_gs_2g_paging_len;
  14
  15 unsigned int mt6333_power_gs_2g_paging[] = {
  16     // Buck
  17     0x009F, 0x0080, 0x0000,
  18     0x00A0, 0x0007, 0x0003,
  19     0x006D, 0x007f, 0x0010,
  20 };
  21
  22 void mt_power_gs_dump_2g_paging(void)
  23 {
  24     mt_power_gs_compare("2G Paging",                                              \
  25                         mt8127_power_gs_2g_paging, mt8127_power_gs_2g_paging_len, \
  26                         mt6323_power_gs_2g_paging, mt6323_power_gs_2g_paging_len, \
  27                         mt6333_power_gs_2g_paging, sizeof(mt6333_power_gs_2g_paging));
  28 }
  29
  30 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
  31 static int dump_2g_paging_read(char *buf, char **start, off_t off, int count, int *eof, void *data)
  32 {
  33     int len = 0;
  34     char *p = buf;
  35
  36     p += sprintf(p, "mt_power_gs : 2g_paging\n");
  37
  38     mt_power_gs_dump_2g_paging();
  39
  40     len = p - buf;
  41     return len;
  42 }
  43 #else
  44 static ssize_t dump_2g_paging_read(struct file *flip, char __user *buf, size_t count, loff_t *offset)
  45 {
  46     int len = 0;
  47     char *p = buf;
  48
  49     p += sprintf(p, "mt_power_gs : 2g_paging\n");
  50
  51     mt_power_gs_dump_2g_paging();
  52
  53     len = p - buf;
  54     return len;
  55 }
  56
  57 static const struct file_operations paging_2g_proc_fops = {
  58     .owner = THIS_MODULE,
  59     .read = dump_2g_paging_read,
  60 };
  61 #endif
  62
  63 static void __exit mt_power_gs_2g_paging_exit(void)
  64 {
  65     //return 0;
  66 }
  67
  68 static int __init mt_power_gs_2g_paging_init(void)
  69 {
  70     struct proc_dir_entry *mt_entry = NULL;
  71
  72     if (!mt_power_gs_dir)
  73     {
  74         printk("[%s]: mkdir /proc/mt_power_gs failed\n", __FUNCTION__);
  75     }
  76     else
  77     {
  78     #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
  79         mt_entry = create_proc_entry("dump_2g_paging", S_IRUGO | S_IWUSR | S_IWGRP, mt_power_gs_dir);
  80         if (mt_entry)
  81         {
  82             mt_entry->read_proc = dump_2g_paging_read;
  83         }
  84     #else
  85         mt_entry = proc_create("dump_2g_paging", S_IRUGO | S_IWUSR | S_IWGRP, mt_power_gs_dir, &paging_2g_proc_fops);
  86         if (!mt_entry)
  87         {
  88             printk("[%s]: create proc file /proc/mt_power_gs/dump_2g_paging failed\n", __FUNCTION__);
  89         }
  90     #endif
  91     }
  92
  93     return 0;
  94 }
  95
  96 module_init(mt_power_gs_2g_paging_init);
  97 module_exit(mt_power_gs_2g_paging_exit);
  98
  99 MODULE_DESCRIPTION("MT8127 Power Golden Setting - 2G Paging");