drivers/video/sprdfb/sprdfb_chip_8830.c

   1 /******************************************************************************
   2  ** File Name:    sprdfb_chip_8830.c                                     *
   3  ** Author:       congfu.zhao                                           *
   4  ** DATE:         30/04/2013                                        *
   5  ** Copyright:    2013 Spreatrum, Incoporated. All Rights Reserved. *
   6  ** Description:                                                    *
   7  ******************************************************************************/
   8 /******************************************************************************
   9  **                   Edit    History                               *
  10  **---------------------------------------------------------------------------*
  11  ** DATE          NAME            DESCRIPTION                       *
  12
  13  ******************************************************************************/
  14
  15 #include "sprdfb_chip_common.h"
  16 #include "sprdfb_chip_8830.h"
  17 #include "sprdfb.h"
  18
  19
  20 void dsi_enable(void)
  21 {
  22         __raw_bits_or(DSI_BIT_EB, DSI_REG_EB);
  23
  24 #ifdef CONFIG_SPX30G
  25         __raw_bits_and(~BIT_DSI_PHY_PD, REG_AON_APB_PWR_CTRL);
  26 #endif
  27
  28         __raw_bits_or(BIT_DPHY_REF_CKG_EN, REG_AP_AHB_MISC_CKG_EN);
  29         __raw_bits_or(BIT_DPHY_CFG_CKG_EN, REG_AP_AHB_MISC_CKG_EN);
  30 }
  31
  32 void dsi_disable(void)
  33 {
  34 #ifdef CONFIG_SPX30G
  35         __raw_bits_or(BIT_DSI_PHY_PD, REG_AON_APB_PWR_CTRL);
  36 #endif
  37
  38         __raw_bits_and(~BIT_DPHY_REF_CKG_EN, REG_AP_AHB_MISC_CKG_EN);
  39         __raw_bits_and(~BIT_DPHY_CFG_CKG_EN, REG_AP_AHB_MISC_CKG_EN);
  40
  41         __raw_bits_and(~DSI_BIT_EB, DSI_REG_EB);
  42 }
  43
  44 void dispc_print_clk(void)
  45 {
  46         FB_PRINT("0x7120002c = 0x%x\n,0x71200030 = 0x%x\n,0x71200034 = 0x%x\n", __raw_readl(0x7120002c),__raw_readl(0x71200030),__raw_readl(0x71200034));
  47         FB_PRINT("0x20d00000 = 0x%x\n,0x71300000 = 0x%x\n,0x402e0004 = 0x%x\n", __raw_readl(0x20d00000), __raw_readl(0x71300000),__raw_readl(0x402e0004));
  48 }
  49
  50
  51