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nexedi
linux
Commits
463e8ee2
Commit
463e8ee2
authored
Apr 07, 2003
by
Alan Cox
Committed by
Linus Torvalds
Apr 07, 2003
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[PATCH] shared multimedia includes for saa71xx
parent
1a0ecaa9
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include/media/saa7146.h
include/media/saa7146.h
+431
-0
include/media/saa7146_vv.h
include/media/saa7146_vv.h
+269
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include/media/saa7146.h
0 → 100644
View file @
463e8ee2
#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
include/media/saa7146_vv.h
0 → 100644
View file @
463e8ee2
#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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