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Diffstat (limited to 'include/media/saa7146.h')
-rw-r--r--include/media/saa7146.h106
1 files changed, 68 insertions, 38 deletions
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index 2bc634fcb7b..96058a5a4ac 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -1,7 +1,6 @@
#ifndef __SAA7146__
#define __SAA7146__
-#include <linux/module.h> /* for module-version */
#include <linux/delay.h> /* for delay-stuff */
#include <linux/slab.h> /* for kmalloc/kfree */
#include <linux/pci.h> /* for pci-config-stuff, vendor ids etc. */
@@ -11,42 +10,51 @@
#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 <media/v4l2-device.h>
+#include <media/v4l2-ctrls.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_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))),KBUILD_MODNAME,__FUNCTION__)
-
#ifndef DEBUG_VARIABLE
#define DEBUG_VARIABLE saa7146_debug
#endif
-#define DEBUG_PROLOG printk("%s: %s(): ",KBUILD_MODNAME,__FUNCTION__)
-#define INFO(x) { printk("%s: ",KBUILD_MODNAME); printk x; }
-
-#define ERR(x) { DEBUG_PROLOG; printk x; }
+#define ERR(fmt, ...) pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
+
+#define _DBG(mask, fmt, ...) \
+do { \
+ if (DEBUG_VARIABLE & mask) \
+ pr_debug("%s(): " fmt, __func__, ##__VA_ARGS__); \
+} while (0)
+
+/* simple debug messages */
+#define DEB_S(fmt, ...) _DBG(0x01, fmt, ##__VA_ARGS__)
+/* more detailed debug messages */
+#define DEB_D(fmt, ...) _DBG(0x02, fmt, ##__VA_ARGS__)
+/* print enter and exit of functions */
+#define DEB_EE(fmt, ...) _DBG(0x04, fmt, ##__VA_ARGS__)
+/* i2c debug messages */
+#define DEB_I2C(fmt, ...) _DBG(0x08, fmt, ##__VA_ARGS__)
+/* vbi debug messages */
+#define DEB_VBI(fmt, ...) _DBG(0x10, fmt, ##__VA_ARGS__)
+/* interrupt debug messages */
+#define DEB_INT(fmt, ...) _DBG(0x20, fmt, ##__VA_ARGS__)
+/* capture debug messages */
+#define DEB_CAP(fmt, ...) _DBG(0x40, fmt, ##__VA_ARGS__)
-#define DEB_S(x) if (0!=(DEBUG_VARIABLE&0x01)) { DEBUG_PROLOG; printk x; } /* simple debug messages */
-#define DEB_D(x) if (0!=(DEBUG_VARIABLE&0x02)) { DEBUG_PROLOG; printk x; } /* more detailed debug messages */
-#define DEB_EE(x) if (0!=(DEBUG_VARIABLE&0x04)) { DEBUG_PROLOG; printk x; } /* print enter and exit of functions */
-#define DEB_I2C(x) if (0!=(DEBUG_VARIABLE&0x08)) { DEBUG_PROLOG; printk x; } /* i2c debug messages */
-#define DEB_VBI(x) if (0!=(DEBUG_VARIABLE&0x10)) { DEBUG_PROLOG; printk x; } /* vbi debug messages */
-#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));
+struct module;
+
struct saa7146_dev;
struct saa7146_extension;
struct saa7146_vv;
@@ -54,12 +62,13 @@ struct saa7146_vv;
/* 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 {
@@ -101,21 +110,22 @@ struct saa7146_extension
struct saa7146_dma
{
dma_addr_t dma_handle;
- u32 *cpu_addr;
+ __le32 *cpu_addr;
};
struct saa7146_dev
{
struct module *module;
- struct list_head item;
+ struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler ctrl_handler;
/* different device locks */
spinlock_t slock;
- struct semaphore lock;
+ struct mutex v4l2_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];
@@ -133,31 +143,35 @@ struct saa7146_dev
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;
};
+static inline struct saa7146_dev *to_saa7146_dev(struct v4l2_device *v4l2_dev)
+{
+ return container_of(v4l2_dev, struct saa7146_dev, v4l2_dev);
+}
+
/* 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;
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);
+struct saa7146_format* saa7146_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);
@@ -438,4 +452,20 @@ 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
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-09 23:38:14 +0000