PATCH: shared multimedia includes for saa71xx
Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 8 Apr 2003 01:36:47 +0100
(happy with include/media ?)
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.67/include/media/saa7146.h linux-2.5.67-ac1/include/media/saa7146.h
--- linux-2.5.67/include/media/saa7146.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.5.67-ac1/include/media/saa7146.h 2003-04-07 21:16:30.000000000 +0100
@@ -0,0 +1,431 @@
+#ifndef __SAA7146__
+#define __SAA7146__
+
+#include <linux/version.h> /* for version macros */
+#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. */
+#include <linux/wrapper.h> /* for mem_map_reserve */
+#include <linux/init.h> /* for "__init" */
+#include <linux/interrupt.h> /* for IMMEDIATE_BH */
+#include <linux/kmod.h> /* for kernel module loader */
+#include <linux/i2c.h> /* for i2c subsystem */
+#include <asm/io.h> /* for accessing devices */
+#include <linux/stringify.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,51)
+ #include "compat.h"
+#endif
+
+#define SAA7146_VERSION_CODE KERNEL_VERSION(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__)
+
+#ifndef DEBUG_VARIABLE
+ #define DEBUG_VARIABLE saa7146_debug
+#endif
+
+#define DEBUG_PROLOG printk("%s: %s(): ",__stringify(KBUILD_MODNAME),__FUNCTION__)
+#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 ERR(x) { DEBUG_PROLOG; printk x; }
+#define INFO(x) { printk("%s: ",__stringify(KBUILD_MODNAME)); printk x; }
+
+#define IER_DISABLE(x,y) \
+ saa7146_write(x, IER, saa7146_read(x, IER) & ~(y));
+#define IER_ENABLE(x,y) \
+ saa7146_write(x, IER, saa7146_read(x, IER) | (y));
+
+struct saa7146_dev;
+struct saa7146_extension;
+struct saa7146_vv;
+
+/* saa7146 page table */
+struct saa7146_pgtable {
+ unsigned int size;
+ u32 *cpu;
+ dma_addr_t dma;
+ /* used for offsets for u,v planes for planar capture modes */
+ unsigned long offset;
+};
+
+struct saa7146_pci_extension_data {
+ struct saa7146_extension *ext;
+ void *ext_priv; /* most likely a name string */
+};
+
+#define MAKE_EXTENSION_PCI(x_var, x_vendor, x_device) \
+ { \
+ .vendor = PCI_VENDOR_ID_PHILIPS, \
+ .device = PCI_DEVICE_ID_PHILIPS_SAA7146, \
+ .subvendor = x_vendor, \
+ .subdevice = x_device, \
+ .driver_data = (unsigned long)& x_var, \
+ }
+
+struct saa7146_extension
+{
+ char name[32]; /* name of the device */
+#define SAA7146_USE_I2C_IRQ 0x1
+ int flags;
+
+ struct saa7146_ext_vv *ext_vv_data;
+
+ /* pairs of subvendor and subdevice ids for
+ supported devices, last entry 0xffff, 0xfff */
+ struct module *module;
+ struct pci_driver driver;
+ struct pci_device_id *pci_tbl;
+
+ /* extension functions */
+ int (*probe)(struct saa7146_dev *);
+ int (*attach)(struct saa7146_dev *, struct saa7146_pci_extension_data *);
+ int (*detach)(struct saa7146_dev*);
+
+ u32 irq_mask; /* mask to indicate, which irq-events are handled by the extension */
+ void (*irq_func)(struct saa7146_dev*, u32* irq_mask);
+};
+
+struct saa7146_dev
+{
+ struct module *module;
+
+ struct list_head item;
+
+ /* different device locks */
+ spinlock_t slock;
+ struct semaphore lock;
+
+ unsigned char *mem; /* pointer to mapped IO memory */
+ int revision; /* chip revision; needed for bug-workarounds*/
+
+ /* pci-device & irq stuff*/
+ char name[32];
+ struct pci_dev *pci;
+ u32 int_todo;
+ spinlock_t int_slock;
+
+ /* extension handling */
+ struct saa7146_extension *ext; /* indicates if handled by extension */
+ void *ext_priv; /* pointer for extension private use (most likely some private data) */
+
+ /* per device video/vbi informations (if available) */
+ struct saa7146_vv *vv_data;
+ void (*vv_callback)(struct saa7146_dev *dev, unsigned long status);
+
+ /* i2c-stuff */
+ struct semaphore i2c_lock;
+ u32 i2c_bitrate;
+ u32 *i2c_mem; /* pointer to i2c memory */
+ wait_queue_head_t i2c_wq;
+ int i2c_op;
+
+ /* memories */
+ u32 *rps0;
+ u32 *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;
+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);
+void 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_setgpio(struct saa7146_dev *dev, int port, u32 data);
+
+/* some memory sizes */
+#define SAA7146_I2C_MEM ( 1*PAGE_SIZE)
+#define SAA7146_RPS_MEM ( 1*PAGE_SIZE)
+
+/* some i2c constants */
+#define SAA7146_I2C_TIMEOUT 100 /* i2c-timeout-value in ms */
+#define SAA7146_I2C_RETRIES 3 /* how many times shall we retry an i2c-operation? */
+#define SAA7146_I2C_DELAY 5 /* time we wait after certain i2c-operations */
+
+/* unsorted defines */
+#define ME1 0x0000000800
+#define PV1 0x0000000008
+
+/* gpio defines */
+#define SAA7146_GPIO_INPUT 0x00
+#define SAA7146_GPIO_IRQHI 0x10
+#define SAA7146_GPIO_IRQLO 0x20
+#define SAA7146_GPIO_IRQHL 0x30
+#define SAA7146_GPIO_OUTLO 0x40
+#define SAA7146_GPIO_OUTHI 0x50
+
+/* define for the register programming sequencer (rps) */
+#define CMD_NOP 0x00000000 /* No operation */
+#define CMD_CLR_EVENT 0x00000000 /* Clear event */
+#define CMD_SET_EVENT 0x10000000 /* Set signal event */
+#define CMD_PAUSE 0x20000000 /* Pause */
+#define CMD_CHECK_LATE 0x30000000 /* Check late */
+#define CMD_UPLOAD 0x40000000 /* Upload */
+#define CMD_STOP 0x50000000 /* Stop */
+#define CMD_INTERRUPT 0x60000000 /* Interrupt */
+#define CMD_JUMP 0x80000000 /* Jump */
+#define CMD_WR_REG 0x90000000 /* Write (load) register */
+#define CMD_RD_REG 0xa0000000 /* Read (store) register */
+#define CMD_WR_REG_MASK 0xc0000000 /* Write register with mask */
+
+#define CMD_OAN MASK_27
+#define CMD_INV MASK_26
+#define CMD_SIG4 MASK_25
+#define CMD_SIG3 MASK_24
+#define CMD_SIG2 MASK_23
+#define CMD_SIG1 MASK_22
+#define CMD_SIG0 MASK_21
+#define CMD_O_FID_B MASK_14
+#define CMD_E_FID_B MASK_13
+#define CMD_O_FID_A MASK_12
+#define CMD_E_FID_A MASK_11
+
+/* some events and command modifiers for rps1 squarewave generator */
+#define EVT_HS (1<<15) // Source Line Threshold reached
+#define EVT_VBI_B (1<<9) // VSYNC Event
+#define RPS_OAN (1<<27) // 1: OR events, 0: AND events
+#define RPS_INV (1<<26) // Invert (compound) event
+#define GPIO3_MSK 0xFF000000 // GPIO #3 control bits
+
+/* Bit mask constants */
+#define MASK_00 0x00000001 /* Mask value for bit 0 */
+#define MASK_01 0x00000002 /* Mask value for bit 1 */
+#define MASK_02 0x00000004 /* Mask value for bit 2 */
+#define MASK_03 0x00000008 /* Mask value for bit 3 */
+#define MASK_04 0x00000010 /* Mask value for bit 4 */
+#define MASK_05 0x00000020 /* Mask value for bit 5 */
+#define MASK_06 0x00000040 /* Mask value for bit 6 */
+#define MASK_07 0x00000080 /* Mask value for bit 7 */
+#define MASK_08 0x00000100 /* Mask value for bit 8 */
+#define MASK_09 0x00000200 /* Mask value for bit 9 */
+#define MASK_10 0x00000400 /* Mask value for bit 10 */
+#define MASK_11 0x00000800 /* Mask value for bit 11 */
+#define MASK_12 0x00001000 /* Mask value for bit 12 */
+#define MASK_13 0x00002000 /* Mask value for bit 13 */
+#define MASK_14 0x00004000 /* Mask value for bit 14 */
+#define MASK_15 0x00008000 /* Mask value for bit 15 */
+#define MASK_16 0x00010000 /* Mask value for bit 16 */
+#define MASK_17 0x00020000 /* Mask value for bit 17 */
+#define MASK_18 0x00040000 /* Mask value for bit 18 */
+#define MASK_19 0x00080000 /* Mask value for bit 19 */
+#define MASK_20 0x00100000 /* Mask value for bit 20 */
+#define MASK_21 0x00200000 /* Mask value for bit 21 */
+#define MASK_22 0x00400000 /* Mask value for bit 22 */
+#define MASK_23 0x00800000 /* Mask value for bit 23 */
+#define MASK_24 0x01000000 /* Mask value for bit 24 */
+#define MASK_25 0x02000000 /* Mask value for bit 25 */
+#define MASK_26 0x04000000 /* Mask value for bit 26 */
+#define MASK_27 0x08000000 /* Mask value for bit 27 */
+#define MASK_28 0x10000000 /* Mask value for bit 28 */
+#define MASK_29 0x20000000 /* Mask value for bit 29 */
+#define MASK_30 0x40000000 /* Mask value for bit 30 */
+#define MASK_31 0x80000000 /* Mask value for bit 31 */
+
+#define MASK_B0 0x000000ff /* Mask value for byte 0 */
+#define MASK_B1 0x0000ff00 /* Mask value for byte 1 */
+#define MASK_B2 0x00ff0000 /* Mask value for byte 2 */
+#define MASK_B3 0xff000000 /* Mask value for byte 3 */
+
+#define MASK_W0 0x0000ffff /* Mask value for word 0 */
+#define MASK_W1 0xffff0000 /* Mask value for word 1 */
+
+#define MASK_PA 0xfffffffc /* Mask value for physical address */
+#define MASK_PR 0xfffffffe /* Mask value for protection register */
+#define MASK_ER 0xffffffff /* Mask value for the entire register */
+
+#define MASK_NONE 0x00000000 /* No mask */
+
+/* register aliases */
+#define BASE_ODD1 0x00 /* Video DMA 1 registers */
+#define BASE_EVEN1 0x04
+#define PROT_ADDR1 0x08
+#define PITCH1 0x0C
+#define BASE_PAGE1 0x10 /* Video DMA 1 base page */
+#define NUM_LINE_BYTE1 0x14
+
+#define BASE_ODD2 0x18 /* Video DMA 2 registers */
+#define BASE_EVEN2 0x1C
+#define PROT_ADDR2 0x20
+#define PITCH2 0x24
+#define BASE_PAGE2 0x28 /* Video DMA 2 base page */
+#define NUM_LINE_BYTE2 0x2C
+
+#define BASE_ODD3 0x30 /* Video DMA 3 registers */
+#define BASE_EVEN3 0x34
+#define PROT_ADDR3 0x38
+#define PITCH3 0x3C
+#define BASE_PAGE3 0x40 /* Video DMA 3 base page */
+#define NUM_LINE_BYTE3 0x44
+
+#define PCI_BT_V1 0x48 /* Video/FIFO 1 */
+#define PCI_BT_V2 0x49 /* Video/FIFO 2 */
+#define PCI_BT_V3 0x4A /* Video/FIFO 3 */
+#define PCI_BT_DEBI 0x4B /* DEBI */
+#define PCI_BT_A 0x4C /* Audio */
+
+#define DD1_INIT 0x50 /* Init setting of DD1 interface */
+
+#define DD1_STREAM_B 0x54 /* DD1 B video data stream handling */
+#define DD1_STREAM_A 0x56 /* DD1 A video data stream handling */
+
+#define BRS_CTRL 0x58 /* BRS control register */
+#define HPS_CTRL 0x5C /* HPS control register */
+#define HPS_V_SCALE 0x60 /* HPS vertical scale */
+#define HPS_V_GAIN 0x64 /* HPS vertical ACL and gain */
+#define HPS_H_PRESCALE 0x68 /* HPS horizontal prescale */
+#define HPS_H_SCALE 0x6C /* HPS horizontal scale */
+#define BCS_CTRL 0x70 /* BCS control */
+#define CHROMA_KEY_RANGE 0x74
+#define CLIP_FORMAT_CTRL 0x78 /* HPS outputs formats & clipping */
+
+#define DEBI_CONFIG 0x7C
+#define DEBI_COMMAND 0x80
+#define DEBI_PAGE 0x84
+#define DEBI_AD 0x88
+
+#define I2C_TRANSFER 0x8C
+#define I2C_STATUS 0x90
+
+#define BASE_A1_IN 0x94 /* Audio 1 input DMA */
+#define PROT_A1_IN 0x98
+#define PAGE_A1_IN 0x9C
+
+#define BASE_A1_OUT 0xA0 /* Audio 1 output DMA */
+#define PROT_A1_OUT 0xA4
+#define PAGE_A1_OUT 0xA8
+
+#define BASE_A2_IN 0xAC /* Audio 2 input DMA */
+#define PROT_A2_IN 0xB0
+#define PAGE_A2_IN 0xB4
+
+#define BASE_A2_OUT 0xB8 /* Audio 2 output DMA */
+#define PROT_A2_OUT 0xBC
+#define PAGE_A2_OUT 0xC0
+
+#define RPS_PAGE0 0xC4 /* RPS task 0 page register */
+#define RPS_PAGE1 0xC8 /* RPS task 1 page register */
+
+#define RPS_THRESH0 0xCC /* HBI threshold for task 0 */
+#define RPS_THRESH1 0xD0 /* HBI threshold for task 1 */
+
+#define RPS_TOV0 0xD4 /* RPS timeout for task 0 */
+#define RPS_TOV1 0xD8 /* RPS timeout for task 1 */
+
+#define IER 0xDC /* Interrupt enable register */
+
+#define GPIO_CTRL 0xE0 /* GPIO 0-3 register */
+
+#define EC1SSR 0xE4 /* Event cnt set 1 source select */
+#define EC2SSR 0xE8 /* Event cnt set 2 source select */
+#define ECT1R 0xEC /* Event cnt set 1 thresholds */
+#define ECT2R 0xF0 /* Event cnt set 2 thresholds */
+
+#define ACON1 0xF4
+#define ACON2 0xF8
+
+#define MC1 0xFC /* Main control register 1 */
+#define MC2 0x100 /* Main control register 2 */
+
+#define RPS_ADDR0 0x104 /* RPS task 0 address register */
+#define RPS_ADDR1 0x108 /* RPS task 1 address register */
+
+#define ISR 0x10C /* Interrupt status register */
+#define PSR 0x110 /* Primary status register */
+#define SSR 0x114 /* Secondary status register */
+
+#define EC1R 0x118 /* Event counter set 1 register */
+#define EC2R 0x11C /* Event counter set 2 register */
+
+#define PCI_VDP1 0x120 /* Video DMA pointer of FIFO 1 */
+#define PCI_VDP2 0x124 /* Video DMA pointer of FIFO 2 */
+#define PCI_VDP3 0x128 /* Video DMA pointer of FIFO 3 */
+#define PCI_ADP1 0x12C /* Audio DMA pointer of audio out 1 */
+#define PCI_ADP2 0x130 /* Audio DMA pointer of audio in 1 */
+#define PCI_ADP3 0x134 /* Audio DMA pointer of audio out 2 */
+#define PCI_ADP4 0x138 /* Audio DMA pointer of audio in 2 */
+#define PCI_DMA_DDP 0x13C /* DEBI DMA pointer */
+
+#define LEVEL_REP 0x140,
+#define A_TIME_SLOT1 0x180, /* from 180 - 1BC */
+#define A_TIME_SLOT2 0x1C0, /* from 1C0 - 1FC */
+
+/* isr masks */
+#define SPCI_PPEF 0x80000000 /* PCI parity error */
+#define SPCI_PABO 0x40000000 /* PCI access error (target or master abort) */
+#define SPCI_PPED 0x20000000 /* PCI parity error on 'real time data' */
+#define SPCI_RPS_I1 0x10000000 /* Interrupt issued by RPS1 */
+#define SPCI_RPS_I0 0x08000000 /* Interrupt issued by RPS0 */
+#define SPCI_RPS_LATE1 0x04000000 /* RPS task 1 is late */
+#define SPCI_RPS_LATE0 0x02000000 /* RPS task 0 is late */
+#define SPCI_RPS_E1 0x01000000 /* RPS error from task 1 */
+#define SPCI_RPS_E0 0x00800000 /* RPS error from task 0 */
+#define SPCI_RPS_TO1 0x00400000 /* RPS timeout task 1 */
+#define SPCI_RPS_TO0 0x00200000 /* RPS timeout task 0 */
+#define SPCI_UPLD 0x00100000 /* RPS in upload */
+#define SPCI_DEBI_S 0x00080000 /* DEBI status */
+#define SPCI_DEBI_E 0x00040000 /* DEBI error */
+#define SPCI_IIC_S 0x00020000 /* I2C status */
+#define SPCI_IIC_E 0x00010000 /* I2C error */
+#define SPCI_A2_IN 0x00008000 /* Audio 2 input DMA protection / limit */
+#define SPCI_A2_OUT 0x00004000 /* Audio 2 output DMA protection / limit */
+#define SPCI_A1_IN 0x00002000 /* Audio 1 input DMA protection / limit */
+#define SPCI_A1_OUT 0x00001000 /* Audio 1 output DMA protection / limit */
+#define SPCI_AFOU 0x00000800 /* Audio FIFO over- / underflow */
+#define SPCI_V_PE 0x00000400 /* Video protection address */
+#define SPCI_VFOU 0x00000200 /* Video FIFO over- / underflow */
+#define SPCI_FIDA 0x00000100 /* Field ID video port A */
+#define SPCI_FIDB 0x00000080 /* Field ID video port B */
+#define SPCI_PIN3 0x00000040 /* GPIO pin 3 */
+#define SPCI_PIN2 0x00000020 /* GPIO pin 2 */
+#define SPCI_PIN1 0x00000010 /* GPIO pin 1 */
+#define SPCI_PIN0 0x00000008 /* GPIO pin 0 */
+#define SPCI_ECS 0x00000004 /* Event counter 1, 2, 4, 5 */
+#define SPCI_EC3S 0x00000002 /* Event counter 3 */
+#define SPCI_EC0S 0x00000001 /* Event counter 0 */
+
+/* i2c */
+#define SAA7146_I2C_ABORT (1<<7)
+#define SAA7146_I2C_SPERR (1<<6)
+#define SAA7146_I2C_APERR (1<<5)
+#define SAA7146_I2C_DTERR (1<<4)
+#define SAA7146_I2C_DRERR (1<<3)
+#define SAA7146_I2C_AL (1<<2)
+#define SAA7146_I2C_ERR (1<<1)
+#define SAA7146_I2C_BUSY (1<<0)
+
+#define SAA7146_I2C_START (0x3)
+#define SAA7146_I2C_CONT (0x2)
+#define SAA7146_I2C_STOP (0x1)
+#define SAA7146_I2C_NOP (0x0)
+
+#define SAA7146_I2C_BUS_BIT_RATE_6400 (0x500)
+#define SAA7146_I2C_BUS_BIT_RATE_3200 (0x100)
+#define SAA7146_I2C_BUS_BIT_RATE_480 (0x400)
+#define SAA7146_I2C_BUS_BIT_RATE_320 (0x600)
+#define SAA7146_I2C_BUS_BIT_RATE_240 (0x700)
+#define SAA7146_I2C_BUS_BIT_RATE_120 (0x000)
+#define SAA7146_I2C_BUS_BIT_RATE_80 (0x200)
+#define SAA7146_I2C_BUS_BIT_RATE_60 (0x300)
+
+#endif
+
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.67/include/media/saa7146_vv.h linux-2.5.67-ac1/include/media/saa7146_vv.h
--- linux-2.5.67/include/media/saa7146_vv.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.5.67-ac1/include/media/saa7146_vv.h 2003-04-07 21:16:30.000000000 +0100
@@ -0,0 +1,269 @@
+#ifndef __SAA7146_VV__
+#define __SAA7146_VV__
+
+#include <linux/videodev2.h>
+
+#include <media/saa7146.h>
+#include <media/video-buf.h>
+
+#define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */
+#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */
+
+struct saa7146_video_dma {
+ u32 base_odd;
+ u32 base_even;
+ u32 prot_addr;
+ u32 pitch;
+ u32 base_page;
+ u32 num_line_byte;
+};
+
+struct saa7146_format {
+ char *name;
+ int pixelformat;
+ u32 trans;
+ u8 depth;
+ int swap;
+};
+
+struct saa7146_standard
+{
+ char *name;
+ v4l2_std_id id;
+
+ int v_offset;
+ int v_field;
+ int v_calc;
+
+ int h_offset;
+ int h_pixels;
+ int h_calc;
+
+ int v_max_out;
+ int h_max_out;
+};
+
+/* buffer for one video/vbi frame */
+struct saa7146_buf {
+ /* common v4l buffer stuff -- must be first */
+ struct videobuf_buffer vb;
+
+ /* saa7146 specific */
+ struct v4l2_pix_format *fmt;
+ int (*activate)(struct saa7146_dev *dev,
+ struct saa7146_buf *buf,
+ struct saa7146_buf *next);
+
+ /* page tables */
+ struct saa7146_pgtable pt[3];
+};
+
+struct saa7146_dmaqueue {
+ struct saa7146_dev *dev;
+ struct saa7146_buf *curr;
+ struct list_head queue;
+ struct timer_list timeout;
+};
+
+struct saa7146_overlay {
+ struct saa7146_fh *fh;
+ struct v4l2_window win;
+ struct v4l2_clip clips[16];
+ int nclips;
+};
+
+/* per open data */
+struct saa7146_fh {
+ struct saa7146_dev *dev;
+ /* if this is a vbi or capture open */
+ enum v4l2_buf_type type;
+
+ /* video overlay */
+ struct saa7146_overlay ov;
+
+ /* video capture */
+ struct videobuf_queue video_q;
+ struct v4l2_pix_format video_fmt;
+
+ /* vbi capture */
+ struct videobuf_queue vbi_q;
+ struct v4l2_vbi_format vbi_fmt;
+ struct timer_list vbi_read_timeout;
+};
+
+struct saa7146_vv
+{
+ int vbi_minor;
+
+ /* vbi capture */
+ struct saa7146_dmaqueue vbi_q;
+ /* vbi workaround interrupt queue */
+ wait_queue_head_t vbi_wq;
+ int vbi_fieldcount;
+ struct saa7146_fh *vbi_streaming;
+
+ int video_minor;
+
+ /* video overlay */
+ struct v4l2_framebuffer ov_fb;
+ struct saa7146_format *ov_fmt;
+ struct saa7146_overlay *ov_data;
+
+ /* video capture */
+ struct saa7146_dmaqueue video_q;
+ struct saa7146_fh *streaming;
+
+ /* common: fixme? shouldn't this be in saa7146_fh?
+ (this leads to a more complicated question: shall the driver
+ store the different settings (for example S_INPUT) for every open
+ and restore it appropriately, or should all settings be common for
+ all opens? currently, we do the latter, like all other
+ drivers do... */
+ struct saa7146_standard *standard;
+
+ int vflip;
+ int hflip;
+ int current_hps_source;
+ int current_hps_sync;
+
+ u32 *clipping; /* pointer to clipping memory */
+};
+
+#define SAA7146_EXCLUSIVE 0x1
+#define SAA7146_BEFORE 0x2
+#define SAA7146_AFTER 0x4
+
+struct saa7146_extension_ioctls
+{
+ unsigned int cmd;
+ int flags;
+};
+
+/* flags */
+#define SAA7146_EXT_SWAP_ODD_EVEN 0x1 /* needs odd/even fields swapped */
+
+struct saa7146_ext_vv
+{
+ /* informations about the video capabilities of the device */
+ int inputs;
+ int audios;
+ u32 capabilities;
+ int flags;
+
+ /* additionally supported transmission standards */
+ struct saa7146_standard *stds;
+ int num_stds;
+ int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
+
+ struct saa7146_extension_ioctls *ioctls;
+ int (*ioctl)(struct saa7146_dev*, unsigned int cmd, void *arg);
+};
+
+struct saa7146_use_ops {
+ void (*init)(struct saa7146_dev *, struct saa7146_vv *);
+ void(*open)(struct saa7146_dev *, struct saa7146_fh *);
+ void (*release)(struct saa7146_dev *, struct saa7146_fh *,struct file *);
+ void (*irq_done)(struct saa7146_dev *, unsigned long status);
+ ssize_t (*read)(struct file *, char *, size_t, loff_t *);
+ int (*capture_begin)(struct saa7146_fh *);
+ int (*capture_end)(struct saa7146_fh *);
+};
+
+/* from saa7146_fops.c */
+int saa7146_register_device(struct video_device *vid, struct saa7146_dev* dev, char *name, int type);
+int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev* dev);
+void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state);
+void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi);
+int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf);
+void saa7146_buffer_timeout(unsigned long data);
+void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf);
+
+int saa7146_vv_init(struct saa7146_dev* dev);
+int saa7146_vv_release(struct saa7146_dev* dev);
+
+
+/* from saa7146_hlp.c */
+void saa7146_set_overlay(struct saa7146_dev *dev, struct saa7146_fh *fh, int v);
+void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next);
+void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ;
+void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync);
+void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
+
+/* from saa7146_video.c */
+extern struct saa7146_use_ops saa7146_video_uops;
+
+/* from saa7146_vbi.c */
+extern struct saa7146_use_ops saa7146_vbi_uops;
+
+/* saa7146 source inputs */
+#define SAA7146_HPS_SOURCE_PORT_A 0x00
+#define SAA7146_HPS_SOURCE_PORT_B 0x01
+#define SAA7146_HPS_SOURCE_YPB_CPA 0x02
+#define SAA7146_HPS_SOURCE_YPA_CPB 0x03
+
+/* sync inputs */
+#define SAA7146_HPS_SYNC_PORT_A 0x00
+#define SAA7146_HPS_SYNC_PORT_B 0x01
+
+/* number of vertical active lines */
+#define V_ACTIVE_LINES_PAL 576
+#define V_ACTIVE_LINES_NTSC 480
+#define V_ACTIVE_LINES_SECAM 576
+
+/* number of lines in a field for HPS to process */
+#define V_FIELD_PAL 288
+#define V_FIELD_NTSC 240
+#define V_FIELD_SECAM 288
+
+/* number of lines of vertical offset before processing */
+#define V_OFFSET_PAL 0x17
+#define V_OFFSET_NTSC 0x16
+#define V_OFFSET_SECAM 0x14
+
+/* number of horizontal pixels to process */
+#define H_PIXELS_PAL 680
+#define H_PIXELS_NTSC 708
+#define H_PIXELS_SECAM 720
+
+/* horizontal offset of processing window */
+#define H_OFFSET_PAL 0x14
+#define H_OFFSET_NTSC 0x06
+#define H_OFFSET_SECAM 0x14
+
+#define SAA7146_PAL_VALUES V_OFFSET_PAL, V_FIELD_PAL, V_ACTIVE_LINES_PAL, H_OFFSET_PAL, H_PIXELS_PAL, H_PIXELS_PAL+1, V_ACTIVE_LINES_PAL, 768
+#define SAA7146_NTSC_VALUES V_OFFSET_NTSC, V_FIELD_NTSC, V_ACTIVE_LINES_NTSC, H_OFFSET_NTSC, H_PIXELS_NTSC, H_PIXELS_NTSC+1, V_ACTIVE_LINES_NTSC, 640
+#define SAA7146_SECAM_VALUES V_OFFSET_SECAM, V_FIELD_SECAM, V_ACTIVE_LINES_SECAM, H_OFFSET_SECAM, H_PIXELS_SECAM, H_PIXELS_SECAM+1, V_ACTIVE_LINES_SECAM, 768
+
+/* some memory sizes */
+#define SAA7146_CLIPPING_MEM (14*PAGE_SIZE)
+
+/* some defines for the various clipping-modes */
+#define SAA7146_CLIPPING_RECT 0x4
+#define SAA7146_CLIPPING_RECT_INVERTED 0x5
+#define SAA7146_CLIPPING_MASK 0x6
+#define SAA7146_CLIPPING_MASK_INVERTED 0x7
+
+/* output formats: each entry holds four informations */
+#define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */
+/* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */
+#define RGB15_COMPOSED 0x0213
+#define RGB16_COMPOSED 0x0210
+#define RGB24_COMPOSED 0x0201
+#define RGB32_COMPOSED 0x0202
+
+#define Y8 0x0006
+#define YUV411_COMPOSED 0x0003
+#define YUV422_COMPOSED 0x0000
+/* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */
+#define YUV411_DECOMPOSED 0x100b
+#define YUV422_DECOMPOSED 0x1009
+#define YUV420_DECOMPOSED 0x100a
+
+#define IS_PLANAR(x) (x & 0xf000)
+
+/* misc defines */
+#define SAA7146_NO_SWAP (0x0)
+#define SAA7146_TWO_BYTE_SWAP (0x1)
+#define SAA7146_FOUR_BYTE_SWAP (0x2)
+
+#endif
-
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