#include <linux/i2c.h> /* for i2c subsystem */
#include <asm/io.h> /* for accessing devices */
#include <linux/stringify.h>
+#include <linux/mutex.h>
+#include <linux/scatterlist.h>
+
#include <linux/vmalloc.h> /* for vmalloc() */
#include <linux/mm.h> /* for vmalloc_to_page() */
-#define SAA7146_VERSION_CODE 0x000500 /* 0.5.0 */
+#define SAA7146_VERSION_CODE 0x000500 /* 0.5.0 */
#define saa7146_write(sxy,adr,dat) writel((dat),(sxy->mem+(adr)))
#define saa7146_read(sxy,adr) readl(sxy->mem+(adr))
extern unsigned int saa7146_debug;
-//#define DEBUG_PROLOG printk("(0x%08x)(0x%08x) %s: %s(): ",(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,RPS_ADDR0))),(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,IER))),__stringify(KBUILD_MODNAME),__FUNCTION__)
+//#define DEBUG_PROLOG printk("(0x%08x)(0x%08x) %s: %s(): ",(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,RPS_ADDR0))),(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,IER))),KBUILD_MODNAME,__func__)
#ifndef DEBUG_VARIABLE
#define DEBUG_VARIABLE saa7146_debug
#endif
-#define DEBUG_PROLOG printk("%s: %s(): ",__stringify(KBUILD_MODNAME),__FUNCTION__)
-#define INFO(x) { printk("%s: ",__stringify(KBUILD_MODNAME)); printk x; }
+#define DEBUG_PROLOG printk("%s: %s(): ",KBUILD_MODNAME, __func__)
+#define INFO(x) { printk("%s: ",KBUILD_MODNAME); printk x; }
#define ERR(x) { DEBUG_PROLOG; printk x; }
#define DEB_INT(x) if (0!=(DEBUG_VARIABLE&0x20)) { DEBUG_PROLOG; printk x; } /* interrupt debug messages */
#define DEB_CAP(x) if (0!=(DEBUG_VARIABLE&0x40)) { DEBUG_PROLOG; printk x; } /* capture debug messages */
-#define SAA7146_IER_DISABLE(x,y) \
- saa7146_write(x, IER, saa7146_read(x, IER) & ~(y));
-#define SAA7146_IER_ENABLE(x,y) \
- saa7146_write(x, IER, saa7146_read(x, IER) | (y));
#define SAA7146_ISR_CLEAR(x,y) \
saa7146_write(x, ISR, (y));
/* saa7146 page table */
struct saa7146_pgtable {
unsigned int size;
- u32 *cpu;
+ __le32 *cpu;
dma_addr_t dma;
/* used for offsets for u,v planes for planar capture modes */
unsigned long offset;
/* used for custom pagetables (used for example by budget dvb cards) */
struct scatterlist *slist;
+ int nents;
};
struct saa7146_pci_extension_data {
struct saa7146_dma
{
dma_addr_t dma_handle;
- u32 *cpu_addr;
+ __le32 *cpu_addr;
};
struct saa7146_dev
/* different device locks */
spinlock_t slock;
- struct semaphore lock;
+ struct mutex lock;
unsigned char __iomem *mem; /* pointer to mapped IO memory */
- int revision; /* chip revision; needed for bug-workarounds*/
+ u32 revision; /* chip revision; needed for bug-workarounds*/
/* pci-device & irq stuff*/
char name[32];
void (*vv_callback)(struct saa7146_dev *dev, unsigned long status);
/* i2c-stuff */
- struct semaphore i2c_lock;
- u32 i2c_bitrate;
- struct saa7146_dma d_i2c; /* pointer to i2c memory */
- wait_queue_head_t i2c_wq;
- int i2c_op;
+ struct mutex i2c_lock;
+
+ u32 i2c_bitrate;
+ struct saa7146_dma d_i2c; /* pointer to i2c memory */
+ wait_queue_head_t i2c_wq;
+ int i2c_op;
/* memories */
- struct saa7146_dma d_rps0;
- struct saa7146_dma d_rps1;
+ struct saa7146_dma d_rps0;
+ struct saa7146_dma d_rps1;
};
/* from saa7146_i2c.c */
int saa7146_i2c_adapter_prepare(struct saa7146_dev *dev, struct i2c_adapter *i2c_adapter, u32 bitrate);
-int saa7146_i2c_transfer(struct saa7146_dev *saa, const struct i2c_msg *msgs, int num, int retries);
/* from saa7146_core.c */
extern struct list_head saa7146_devices;
-extern struct semaphore saa7146_devices_lock;
+extern struct mutex saa7146_devices_lock;
int saa7146_register_extension(struct saa7146_extension*);
int saa7146_unregister_extension(struct saa7146_extension*);
struct saa7146_format* format_by_fourcc(struct saa7146_dev *dev, int fourcc);
int saa7146_pgtable_alloc(struct pci_dev *pci, struct saa7146_pgtable *pt);
void saa7146_pgtable_free(struct pci_dev *pci, struct saa7146_pgtable *pt);
int saa7146_pgtable_build_single(struct pci_dev *pci, struct saa7146_pgtable *pt, struct scatterlist *list, int length );
-char *saa7146_vmalloc_build_pgtable(struct pci_dev *pci, long length, struct saa7146_pgtable *pt);
+void *saa7146_vmalloc_build_pgtable(struct pci_dev *pci, long length, struct saa7146_pgtable *pt);
+void saa7146_vfree_destroy_pgtable(struct pci_dev *pci, void *mem, struct saa7146_pgtable *pt);
void saa7146_setgpio(struct saa7146_dev *dev, int port, u32 data);
int saa7146_wait_for_debi_done(struct saa7146_dev *dev, int nobusyloop);
#define SAA7146_I2C_BUS_BIT_RATE_80 (0x200)
#define SAA7146_I2C_BUS_BIT_RATE_60 (0x300)
+static inline void SAA7146_IER_DISABLE(struct saa7146_dev *x, unsigned y)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&x->int_slock, flags);
+ saa7146_write(x, IER, saa7146_read(x, IER) & ~y);
+ spin_unlock_irqrestore(&x->int_slock, flags);
+}
+
+static inline void SAA7146_IER_ENABLE(struct saa7146_dev *x, unsigned y)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&x->int_slock, flags);
+ saa7146_write(x, IER, saa7146_read(x, IER) | y);
+ spin_unlock_irqrestore(&x->int_slock, flags);
+}
+
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff