drivers/usb/host/dwc_otg/dwc_otg_os_dep.h

   1 #ifndef _DWC_OS_DEP_H_
   2 #define _DWC_OS_DEP_H_
   3
   4 /**
   5  * @file
   6  *
   7  * This file contains OS dependent structures.
   8  *
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/module.h>
  13 #include <linux/moduleparam.h>
  14 #include <linux/init.h>
  15 #include <linux/device.h>
  16 #include <linux/errno.h>
  17 #include <linux/types.h>
  18 #include <linux/slab.h>
  19 #include <linux/list.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/ctype.h>
  22 #include <linux/string.h>
  23 #include <linux/dma-mapping.h>
  24 #include <linux/jiffies.h>
  25 #include <linux/delay.h>
  26 #include <linux/timer.h>
  27 #include <linux/workqueue.h>
  28 #include <linux/stat.h>
  29 #include <linux/pci.h>
  30
  31 #include <linux/version.h>
  32
  33 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
  34 # include <linux/irq.h>
  35 #endif
  36
  37 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
  38 # include <linux/usb/ch9.h>
  39 #else
  40 # include <linux/usb_ch9.h>
  41 #endif
  42
  43 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
  44 # include <linux/usb/gadget.h>
  45 #else
  46 # include <linux/usb_gadget.h>
  47 #endif
  48
  49 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
  50 # include <asm/irq.h>
  51 #endif
  52
  53 #ifdef PCI_INTERFACE
  54 # include <asm/io.h>
  55 #endif
  56
  57 #ifdef LM_INTERFACE
  58 # include <asm/unaligned.h>
  59 # include <asm/sizes.h>
  60 # include <asm/param.h>
  61 # include <asm/io.h>
  62 # if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30))
  63 #  include <asm/arch/hardware.h>
  64 #  include <asm/arch/lm.h>
  65 #  include <asm/arch/irqs.h>
  66 #  include <asm/arch/regs-irq.h>
  67 # else
  68 /* in 2.6.31, at least, we seem to have lost the generic LM infrastructure -
  69    here we assume that the machine architecture provides definitions
  70    in its own header
  71 */
  72 #  include <mach/lm.h>
  73 #  include <mach/hardware.h>
  74 # endif
  75 #endif
  76
  77 #ifdef PLATFORM_INTERFACE
  78 #include <linux/platform_device.h>
  79 #ifdef CONFIG_ARM
  80 #include <asm/mach/map.h>
  81 #endif
  82 #endif
  83
  84 /** The OS page size */
  85 #define DWC_OS_PAGE_SIZE        PAGE_SIZE
  86
  87 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
  88 typedef int gfp_t;
  89 #endif
  90
  91 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
  92 # define IRQF_SHARED SA_SHIRQ
  93 #endif
  94
  95 typedef struct os_dependent {
  96         /** Base address returned from ioremap() */
  97         void *base;
  98
  99         /** Register offset for Diagnostic API */
 100         uint32_t reg_offset;
 101
 102         /** Base address for MPHI peripheral */
 103         void *mphi_base;
 104
 105 #ifdef LM_INTERFACE
 106         struct lm_device *lmdev;
 107 #elif  defined(PCI_INTERFACE)
 108         struct pci_dev *pcidev;
 109
 110         /** Start address of a PCI region */
 111         resource_size_t rsrc_start;
 112
 113         /** Length address of a PCI region */
 114         resource_size_t rsrc_len;
 115 #elif  defined(PLATFORM_INTERFACE)
 116         struct platform_device *platformdev;
 117 #endif
 118
 119 } os_dependent_t;
 120
 121 #ifdef __cplusplus
 122 }
 123 #endif
 124
 125
 126
 127 /* Type for the our device on the chosen bus */
 128 #if   defined(LM_INTERFACE)
 129 typedef struct lm_device       dwc_bus_dev_t;
 130 #elif defined(PCI_INTERFACE)
 131 typedef struct pci_dev         dwc_bus_dev_t;
 132 #elif defined(PLATFORM_INTERFACE)
 133 typedef struct platform_device dwc_bus_dev_t;
 134 #endif
 135
 136 /* Helper macro to retrieve drvdata from the device on the chosen bus */
 137 #if    defined(LM_INTERFACE)
 138 #define DWC_OTG_BUSDRVDATA(_dev) lm_get_drvdata(_dev)
 139 #elif  defined(PCI_INTERFACE)
 140 #define DWC_OTG_BUSDRVDATA(_dev) pci_get_drvdata(_dev)
 141 #elif  defined(PLATFORM_INTERFACE)
 142 #define DWC_OTG_BUSDRVDATA(_dev) platform_get_drvdata(_dev)
 143 #endif
 144
 145 /**
 146  * Helper macro returning the otg_device structure of a given struct device
 147  *
 148  * c.f. static dwc_otg_device_t *dwc_otg_drvdev(struct device *_dev)
 149  */
 150 #ifdef LM_INTERFACE
 151 #define DWC_OTG_GETDRVDEV(_var, _dev) do { \
 152                 struct lm_device *lm_dev = \
 153                         container_of(_dev, struct lm_device, dev); \
 154                 _var = lm_get_drvdata(lm_dev); \
 155         } while (0)
 156
 157 #elif defined(PCI_INTERFACE)
 158 #define DWC_OTG_GETDRVDEV(_var, _dev) do { \
 159                 _var = dev_get_drvdata(_dev); \
 160         } while (0)
 161
 162 #elif defined(PLATFORM_INTERFACE)
 163 #define DWC_OTG_GETDRVDEV(_var, _dev) do { \
 164                 struct platform_device *platform_dev = \
 165                         container_of(_dev, struct platform_device, dev); \
 166                 _var = platform_get_drvdata(platform_dev); \
 167         } while (0)
 168 #endif
 169
 170
 171 /**
 172  * Helper macro returning the struct dev of the given struct os_dependent
 173  *
 174  * c.f. static struct device *dwc_otg_getdev(struct os_dependent *osdep)
 175  */
 176 #ifdef LM_INTERFACE
 177 #define DWC_OTG_OS_GETDEV(_osdep) \
 178         ((_osdep).lmdev == NULL? NULL: &(_osdep).lmdev->dev)
 179 #elif defined(PCI_INTERFACE)
 180 #define DWC_OTG_OS_GETDEV(_osdep) \
 181         ((_osdep).pci_dev == NULL? NULL: &(_osdep).pci_dev->dev)
 182 #elif defined(PLATFORM_INTERFACE)
 183 #define DWC_OTG_OS_GETDEV(_osdep) \
 184         ((_osdep).platformdev == NULL? NULL: &(_osdep).platformdev->dev)
 185 #endif
 186
 187
 188
 189
 190 #endif /* _DWC_OS_DEP_H_ */