drivers/pnp/base.h

   1 extern spinlock_t pnp_lock;
   2 void *pnp_alloc(long size);
   3
   4 int pnp_register_protocol(struct pnp_protocol *protocol);
   5 void pnp_unregister_protocol(struct pnp_protocol *protocol);
   6
   7 #define PNP_EISA_ID_MASK 0x7fffffff
   8 void pnp_eisa_id_to_string(u32 id, char *str);
   9 struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id, char *pnpid);
  10 struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid);
  11
  12 int pnp_add_device(struct pnp_dev *dev);
  13 struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id);
  14 int pnp_interface_attach_device(struct pnp_dev *dev);
  15
  16 int pnp_add_card(struct pnp_card *card);
  17 struct pnp_id *pnp_add_card_id(struct pnp_card *card, char *id);
  18 void pnp_remove_card(struct pnp_card *card);
  19 int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev);
  20 void pnp_remove_card_device(struct pnp_dev *dev);
  21
  22 struct pnp_port {
  23         resource_size_t min;    /* min base number */
  24         resource_size_t max;    /* max base number */
  25         resource_size_t align;  /* align boundary */
  26         resource_size_t size;   /* size of range */
  27         unsigned char flags;    /* port flags */
  28         unsigned char pad;      /* pad */
  29         struct pnp_port *next;  /* next port */
  30 };
  31
  32 #define PNP_IRQ_NR 256
  33 typedef struct { DECLARE_BITMAP(bits, PNP_IRQ_NR); } pnp_irq_mask_t;
  34
  35 struct pnp_irq {
  36         pnp_irq_mask_t map;     /* bitmap for IRQ lines */
  37         unsigned char flags;    /* IRQ flags */
  38         unsigned char pad;      /* pad */
  39         struct pnp_irq *next;   /* next IRQ */
  40 };
  41
  42 struct pnp_dma {
  43         unsigned char map;      /* bitmask for DMA channels */
  44         unsigned char flags;    /* DMA flags */
  45         struct pnp_dma *next;   /* next port */
  46 };
  47
  48 struct pnp_mem {
  49         resource_size_t min;    /* min base number */
  50         resource_size_t max;    /* max base number */
  51         resource_size_t align;  /* align boundary */
  52         resource_size_t size;   /* size of range */
  53         unsigned char flags;    /* memory flags */
  54         unsigned char pad;      /* pad */
  55         struct pnp_mem *next;   /* next memory resource */
  56 };
  57
  58 #define PNP_RES_PRIORITY_PREFERRED      0
  59 #define PNP_RES_PRIORITY_ACCEPTABLE     1
  60 #define PNP_RES_PRIORITY_FUNCTIONAL     2
  61 #define PNP_RES_PRIORITY_INVALID        65535
  62
  63 struct pnp_option {
  64         unsigned short priority;        /* priority */
  65         struct pnp_port *port;          /* first port */
  66         struct pnp_irq *irq;            /* first IRQ */
  67         struct pnp_dma *dma;            /* first DMA */
  68         struct pnp_mem *mem;            /* first memory resource */
  69         struct pnp_option *next;        /* used to chain dependent resources */
  70 };
  71
  72 struct pnp_option *pnp_build_option(int priority);
  73 struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
  74 struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
  75                                                  int priority);
  76 int pnp_register_irq_resource(struct pnp_dev *dev, struct pnp_option *option,
  77                               struct pnp_irq *data);
  78 int pnp_register_dma_resource(struct pnp_dev *dev, struct pnp_option *option,
  79                               struct pnp_dma *data);
  80 int pnp_register_port_resource(struct pnp_dev *dev, struct pnp_option *option,
  81                                struct pnp_port *data);
  82 int pnp_register_mem_resource(struct pnp_dev *dev, struct pnp_option *option,
  83                               struct pnp_mem *data);
  84 void pnp_init_resources(struct pnp_dev *dev);
  85
  86 void pnp_fixup_device(struct pnp_dev *dev);
  87 void pnp_free_option(struct pnp_option *option);
  88 int __pnp_add_device(struct pnp_dev *dev);
  89 void __pnp_remove_device(struct pnp_dev *dev);
  90
  91 int pnp_check_port(struct pnp_dev *dev, struct resource *res);
  92 int pnp_check_mem(struct pnp_dev *dev, struct resource *res);
  93 int pnp_check_irq(struct pnp_dev *dev, struct resource *res);
  94 int pnp_check_dma(struct pnp_dev *dev, struct resource *res);
  95
  96 char *pnp_resource_type_name(struct resource *res);
  97 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
  98
  99 void pnp_free_resources(struct pnp_dev *dev);
 100 int pnp_resource_type(struct resource *res);
 101
 102 struct pnp_resource {
 103         struct list_head list;
 104         struct resource res;
 105 };
 106
 107 void pnp_free_resource(struct pnp_resource *pnp_res);
 108
 109 struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
 110                                           int flags);
 111 struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,
 112                                           int flags);
 113 struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
 114                                          resource_size_t start,
 115                                          resource_size_t end, int flags);
 116 struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
 117                                           resource_size_t start,
 118                                           resource_size_t end, int flags);