drivers/mfd/glamo/glamo-mci.h

   1 /*
   2  *  linux/drivers/mmc/host/glamo-mmc.h - GLAMO MCI driver
   3  *
   4  *  Copyright (C) 2007-2008 Openmoko, Inc, Andy Green <andy@openmoko.com>
   5  *   based on S3C MMC driver -->
   6  *  Copyright (C) 2004-2006 Thomas Kleffel, All Rights Reserved.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13
  14 enum glamo_mci_waitfor {
  15         COMPLETION_NONE,
  16         COMPLETION_FINALIZE,
  17         COMPLETION_CMDSENT,
  18         COMPLETION_RSPFIN,
  19         COMPLETION_XFERFINISH,
  20         COMPLETION_XFERFINISH_RSPFIN,
  21 };
  22
  23 struct glamo_mci_host {
  24         struct platform_device  *pdev;
  25         struct glamo_mci_pdata  *pdata;
  26         struct mmc_host         *mmc;
  27         struct resource         *mem;
  28         struct resource         *mem_data;
  29         struct clk              *clk;
  30         void __iomem            *base;
  31         u16 __iomem             *base_data;
  32         int                     irq;
  33         int                     irq_cd;
  34         int                     dma;
  35         int                     data_max_size;
  36
  37         int                     suspending;
  38
  39         int                     power_mode_current;
  40         unsigned int            vdd_current;
  41
  42         unsigned long           clk_rate;
  43         unsigned long           clk_div;
  44         unsigned long           real_rate;
  45         u8                      prescaler;
  46
  47         int                     force_slow_during_powerup;
  48
  49         unsigned                sdiimsk;
  50         int                     dodma;
  51
  52         volatile int            dmatogo;
  53
  54         struct mmc_request      *mrq;
  55         int                     cmd_is_stop;
  56
  57         spinlock_t              complete_lock;
  58         volatile enum glamo_mci_waitfor
  59                                 complete_what;
  60
  61         volatile int            dma_complete;
  62
  63         volatile u32            pio_sgptr;
  64         volatile u32            pio_words;
  65         volatile u32            pio_count;
  66         volatile u16            *pio_ptr;
  67 #define XFER_NONE 0
  68 #define XFER_READ 1
  69 #define XFER_WRITE 2
  70         volatile u32            pio_active;
  71
  72         int                     bus_width;
  73
  74         char                    dbgmsg_cmd[301];
  75         char                    dbgmsg_dat[301];
  76         volatile char           *status;
  77
  78         unsigned int            ccnt, dcnt;
  79         struct tasklet_struct   pio_tasklet;
  80 };