V4L/DVB: saa7134: add code to allow changing IR protocol

[safe/jmp/linux-2.6] / include / scsi / scsi_transport_spi.h

diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index d8ef860..7497a38 100644 (file)
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -20,10 +20,13 @@
 #ifndef SCSI_TRANSPORT_SPI_H
 #define SCSI_TRANSPORT_SPI_H
 
-#include <linux/config.h>
 #include <linux/transport_class.h>
+#include <linux/mutex.h>
 
 struct scsi_transport_template;
+struct scsi_target;
+struct scsi_device;
+struct Scsi_Host;
 
 struct spi_transport_attrs {
        int period;             /* value in the PPR/SDTR command */
@@ -33,8 +36,10 @@ struct spi_transport_attrs {
        unsigned int width:1;   /* 0 - narrow, 1 - wide */
        unsigned int max_width:1;
        unsigned int iu:1;      /* Information Units enabled */
+       unsigned int max_iu:1;
        unsigned int dt:1;      /* DT clocking enabled */
        unsigned int qas:1;     /* Quick Arbitration and Selection enabled */
+       unsigned int max_qas:1;
        unsigned int wr_flow:1; /* Write Flow control enabled */
        unsigned int rd_strm:1; /* Read streaming enabled */
        unsigned int rti:1;     /* Retain Training Information */
@@ -50,8 +55,9 @@ struct spi_transport_attrs {
        unsigned int support_ius; /* support Information Units */
        unsigned int support_qas; /* supports quick arbitration and selection */
        /* Private Fields */
-       unsigned int dv_pending:1; /* Internal flag */
-       struct semaphore dv_sem; /* semaphore to serialise dv */
+       unsigned int dv_pending:1; /* Internal flag: DV Requested */
+       unsigned int dv_in_progress:1;  /* Internal: DV started */
+       struct mutex dv_mutex; /* semaphore to serialise dv */
 };
 
 enum spi_signal_type {
@@ -73,14 +79,17 @@ struct spi_host_attrs {
 #define spi_width(x)   (((struct spi_transport_attrs *)&(x)->starget_data)->width)
 #define spi_max_width(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_width)
 #define spi_iu(x)      (((struct spi_transport_attrs *)&(x)->starget_data)->iu)
+#define spi_max_iu(x)  (((struct spi_transport_attrs *)&(x)->starget_data)->max_iu)
 #define spi_dt(x)      (((struct spi_transport_attrs *)&(x)->starget_data)->dt)
 #define spi_qas(x)     (((struct spi_transport_attrs *)&(x)->starget_data)->qas)
+#define spi_max_qas(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_qas)
 #define spi_wr_flow(x) (((struct spi_transport_attrs *)&(x)->starget_data)->wr_flow)
 #define spi_rd_strm(x) (((struct spi_transport_attrs *)&(x)->starget_data)->rd_strm)
 #define spi_rti(x)     (((struct spi_transport_attrs *)&(x)->starget_data)->rti)
 #define spi_pcomp_en(x)        (((struct spi_transport_attrs *)&(x)->starget_data)->pcomp_en)
 #define spi_hold_mcs(x)        (((struct spi_transport_attrs *)&(x)->starget_data)->hold_mcs)
 #define spi_initial_dv(x)      (((struct spi_transport_attrs *)&(x)->starget_data)->initial_dv)
+#define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
 
 #define spi_support_sync(x)    (((struct spi_transport_attrs *)&(x)->starget_data)->support_sync)
 #define spi_support_wide(x)    (((struct spi_transport_attrs *)&(x)->starget_data)->support_wide)
@@ -120,6 +129,7 @@ struct spi_function_template {
        void    (*set_hold_mcs)(struct scsi_target *, int);
        void    (*get_signalling)(struct Scsi_Host *);
        void    (*set_signalling)(struct Scsi_Host *, enum spi_signal_type);
+       int     (*deny_binding)(struct scsi_target *);
        /* The driver sets these to tell the transport class it
         * wants the attributes displayed in sysfs.  If the show_ flag
         * is not set, the attribute will be private to the transport
@@ -142,5 +152,10 @@ void spi_release_transport(struct scsi_transport_template *);
 void spi_schedule_dv_device(struct scsi_device *);
 void spi_dv_device(struct scsi_device *);
 void spi_display_xfer_agreement(struct scsi_target *);
+int spi_print_msg(const unsigned char *);
+int spi_populate_width_msg(unsigned char *msg, int width);
+int spi_populate_sync_msg(unsigned char *msg, int period, int offset);
+int spi_populate_ppr_msg(unsigned char *msg, int period, int offset, int width,
+               int options);
 
 #endif /* SCSI_TRANSPORT_SPI_H */