Skip to content

L
linux
Commit a637a114 authored by Ladislav Michl's avatar Ladislav Michl Committed by Ralf Baechle
Browse files
Options

VINO driver version 0.0.5. 

Second cut of the VINO / Indycam driver for the Silicon Graphics Indy,
much more feature complete and bug free.
parent a06d61c6
Hide whitespace changes
Inline Side-by-side
Showing with 1545 additions and 680 deletions
drivers/media/video/indycam.c
View file @ a637a114
......@@ -27,15 +27,15 @@
#include "indycam.h"
//#define INDYCAM_DEBUG
#define INDYCAM_MODULE_VERSION "0.0.3"
#define INDYCAM_MODULE_VERSION "0.0.5"
MODULE_DESCRIPTION("SGI IndyCam driver");
MODULE_VERSION(INDYCAM_MODULE_VERSION);
MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
MODULE_LICENSE("GPL");
// #define INDYCAM_DEBUG
#ifdef INDYCAM_DEBUG
#define dprintk(x...) printk("IndyCam: " x);
#define indycam_regdump(client) indycam_regdump_debug(client)
......@@ -46,14 +46,14 @@ MODULE_LICENSE("GPL");
struct indycam {
struct i2c_client *client;
int version;
u8 version;
};
static struct i2c_driver i2c_driver_indycam;
static const unsigned char initseq[] = {
static const u8 initseq[] = {
INDYCAM_CONTROL_AGCENA, /* INDYCAM_CONTROL */
INDYCAM_SHUTTER_DEFAULT, /* INDYCAM_SHUTTER */
INDYCAM_SHUTTER_60, /* INDYCAM_SHUTTER */
INDYCAM_GAIN_DEFAULT, /* INDYCAM_GAIN */
0x00, /* INDYCAM_BRIGHTNESS (read-only) */
INDYCAM_RED_BALANCE_DEFAULT, /* INDYCAM_RED_BALANCE */
......@@ -64,12 +64,11 @@ static const unsigned char initseq[] = {
/* IndyCam register handling */
static int indycam_read_reg(struct i2c_client *client, unsigned char reg,
unsigned char *value)
static int indycam_read_reg(struct i2c_client *client, u8 reg, u8 *value)
{
int ret;
if (reg == INDYCAM_RESET) {
if (reg == INDYCAM_REG_RESET) {
dprintk("indycam_read_reg(): "
"skipping write-only register %d\n", reg);
*value = 0;
......@@ -77,24 +76,24 @@ static int indycam_read_reg(struct i2c_client *client, unsigned char reg,
}
ret = i2c_smbus_read_byte_data(client, reg);
if (ret < 0) {
printk(KERN_ERR "IndyCam: indycam_read_reg(): read failed, "
"register = 0x%02x\n", reg);
return ret;
}
*value = (unsigned char)ret;
*value = (u8)ret;
return 0;
}
static int indycam_write_reg(struct i2c_client *client, unsigned char reg,
unsigned char value)
static int indycam_write_reg(struct i2c_client *client, u8 reg, u8 value)
{
int err;
if ((reg == INDYCAM_BRIGHTNESS)
|| (reg == INDYCAM_VERSION)) {
if ((reg == INDYCAM_REG_BRIGHTNESS)
|| (reg == INDYCAM_REG_VERSION)) {
dprintk("indycam_write_reg(): "
"skipping read-only register %d\n", reg);
return 0;
......@@ -102,6 +101,7 @@ static int indycam_write_reg(struct i2c_client *client, unsigned char reg,
dprintk("Writing Reg %d = 0x%02x\n", reg, value);
err = i2c_smbus_write_byte_data(client, reg, value);
if (err) {
printk(KERN_ERR "IndyCam: indycam_write_reg(): write failed, "
"register = 0x%02x, value = 0x%02x\n", reg, value);
......@@ -109,13 +109,12 @@ static int indycam_write_reg(struct i2c_client *client, unsigned char reg,
return err;
}
static int indycam_write_block(struct i2c_client *client, unsigned char reg,
unsigned char length, unsigned char *data)
static int indycam_write_block(struct i2c_client *client, u8 reg,
u8 length, u8 *data)
{
unsigned char i;
int err;
int i, err;
for (i = reg; i < length; i++) {
for (i = 0; i < length; i++) {
err = indycam_write_reg(client, reg + i, data[i]);
if (err)
return err;
......@@ -130,7 +129,7 @@ static int indycam_write_block(struct i2c_client *client, unsigned char reg,
static void indycam_regdump_debug(struct i2c_client *client)
{
int i;
unsigned char val;
u8 val;
for (i = 0; i < 9; i++) {
indycam_read_reg(client, i, &val);
......@@ -139,76 +138,144 @@ static void indycam_regdump_debug(struct i2c_client *client)
}
#endif
static int indycam_get_controls(struct i2c_client *client,
struct indycam_control *ctrl)
static int indycam_get_control(struct i2c_client *client,
struct indycam_control *ctrl)
{
unsigned char ctrl_reg;
indycam_read_reg(client, INDYCAM_CONTROL, &ctrl_reg);
ctrl->agc = (ctrl_reg & INDYCAM_CONTROL_AGCENA)
? INDYCAM_VALUE_ENABLED
: INDYCAM_VALUE_DISABLED;
ctrl->awb = (ctrl_reg & INDYCAM_CONTROL_AWBCTL)
? INDYCAM_VALUE_ENABLED
: INDYCAM_VALUE_DISABLED;
indycam_read_reg(client, INDYCAM_SHUTTER,
(unsigned char *)&ctrl->shutter);
indycam_read_reg(client, INDYCAM_GAIN,
(unsigned char *)&ctrl->gain);
indycam_read_reg(client, INDYCAM_RED_BALANCE,
(unsigned char *)&ctrl->red_balance);
indycam_read_reg(client, INDYCAM_BLUE_BALANCE,
(unsigned char *)&ctrl->blue_balance);
indycam_read_reg(client, INDYCAM_RED_SATURATION,
(unsigned char *)&ctrl->red_saturation);
indycam_read_reg(client, INDYCAM_BLUE_SATURATION,
(unsigned char *)&ctrl->blue_saturation);
indycam_read_reg(client, INDYCAM_GAMMA,
(unsigned char *)&ctrl->gamma);
struct indycam *camera = i2c_get_clientdata(client);
u8 reg;
int ret = 0;
switch (ctrl->type) {
case INDYCAM_CONTROL_AGC:
case INDYCAM_CONTROL_AWB:
ret = indycam_read_reg(client, INDYCAM_REG_CONTROL, &reg);
if (ret)
return -EIO;
if (ctrl->type == INDYCAM_CONTROL_AGC)
ctrl->value = (reg & INDYCAM_CONTROL_AGCENA)
? 1 : 0;
else
ctrl->value = (reg & INDYCAM_CONTROL_AWBCTL)
? 1 : 0;
break;
case INDYCAM_CONTROL_SHUTTER:
ret = indycam_read_reg(client, INDYCAM_REG_SHUTTER, &reg);
if (ret)
return -EIO;
ctrl->value = ((s32)reg == 0x00) ? 0xff : ((s32)reg - 1);
break;
case INDYCAM_CONTROL_GAIN:
ret = indycam_read_reg(client, INDYCAM_REG_GAIN, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
case INDYCAM_CONTROL_RED_BALANCE:
ret = indycam_read_reg(client, INDYCAM_REG_RED_BALANCE, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
case INDYCAM_CONTROL_BLUE_BALANCE:
ret = indycam_read_reg(client, INDYCAM_REG_BLUE_BALANCE, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
case INDYCAM_CONTROL_RED_SATURATION:
ret = indycam_read_reg(client,
INDYCAM_REG_RED_SATURATION, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
case INDYCAM_CONTROL_BLUE_SATURATION:
ret = indycam_read_reg(client,
INDYCAM_REG_BLUE_SATURATION, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
case INDYCAM_CONTROL_GAMMA:
if (camera->version == CAMERA_VERSION_MOOSE) {
ret = indycam_read_reg(client,
INDYCAM_REG_GAMMA, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
} else {
ctrl->value = INDYCAM_GAMMA_DEFAULT;
}
break;
default:
ret = -EINVAL;
}
return 0;
return ret;
}
static int indycam_set_controls(struct i2c_client *client,
struct indycam_control *ctrl)
static int indycam_set_control(struct i2c_client *client,
struct indycam_control *ctrl)
{
unsigned char ctrl_reg;
struct indycam *camera = i2c_get_clientdata(client);
u8 reg;
int ret = 0;
switch (ctrl->type) {
case INDYCAM_CONTROL_AGC:
case INDYCAM_CONTROL_AWB:
ret = indycam_read_reg(client, INDYCAM_REG_CONTROL, &reg);
if (ret)
break;
indycam_read_reg(client, INDYCAM_CONTROL, &ctrl_reg);
if (ctrl->agc != INDYCAM_VALUE_UNCHANGED) {
if (ctrl->agc)
ctrl_reg |= INDYCAM_CONTROL_AGCENA;
else
ctrl_reg &= ~INDYCAM_CONTROL_AGCENA;
}
if (ctrl->awb != INDYCAM_VALUE_UNCHANGED) {
if (ctrl->awb)
ctrl_reg |= INDYCAM_CONTROL_AWBCTL;
else
ctrl_reg &= ~INDYCAM_CONTROL_AWBCTL;
if (ctrl->type == INDYCAM_CONTROL_AGC) {
if (ctrl->value)
reg |= INDYCAM_CONTROL_AGCENA;
else
reg &= ~INDYCAM_CONTROL_AGCENA;
} else {
if (ctrl->value)
reg |= INDYCAM_CONTROL_AWBCTL;
else
reg &= ~INDYCAM_CONTROL_AWBCTL;
}
ret = indycam_write_reg(client, INDYCAM_REG_CONTROL, reg);
break;
case INDYCAM_CONTROL_SHUTTER:
reg = (ctrl->value == 0xff) ? 0x00 : (ctrl->value + 1);
ret = indycam_write_reg(client, INDYCAM_REG_SHUTTER, reg);
break;
case INDYCAM_CONTROL_GAIN:
ret = indycam_write_reg(client, INDYCAM_REG_GAIN, ctrl->value);
break;
case INDYCAM_CONTROL_RED_BALANCE:
ret = indycam_write_reg(client, INDYCAM_REG_RED_BALANCE,
ctrl->value);
break;
case INDYCAM_CONTROL_BLUE_BALANCE:
ret = indycam_write_reg(client, INDYCAM_REG_BLUE_BALANCE,
ctrl->value);
break;
case INDYCAM_CONTROL_RED_SATURATION:
ret = indycam_write_reg(client, INDYCAM_REG_RED_SATURATION,
ctrl->value);
break;
case INDYCAM_CONTROL_BLUE_SATURATION:
ret = indycam_write_reg(client, INDYCAM_REG_BLUE_SATURATION,
ctrl->value);
break;
case INDYCAM_CONTROL_GAMMA:
if (camera->version == CAMERA_VERSION_MOOSE) {
ret = indycam_write_reg(client, INDYCAM_REG_GAMMA,
ctrl->value);
}
break;
default:
ret = -EINVAL;
}
indycam_write_reg(client, INDYCAM_CONTROL, ctrl_reg);
if (ctrl->shutter >= 0)
indycam_write_reg(client, INDYCAM_SHUTTER, ctrl->shutter);
if (ctrl->gain >= 0)
indycam_write_reg(client, INDYCAM_GAIN, ctrl->gain);
if (ctrl->red_balance >= 0)
indycam_write_reg(client, INDYCAM_RED_BALANCE,
ctrl->red_balance);
if (ctrl->blue_balance >= 0)
indycam_write_reg(client, INDYCAM_BLUE_BALANCE,
ctrl->blue_balance);
if (ctrl->red_saturation >= 0)
indycam_write_reg(client, INDYCAM_RED_SATURATION,
ctrl->red_saturation);
if (ctrl->blue_saturation >= 0)
indycam_write_reg(client, INDYCAM_BLUE_SATURATION,
ctrl->blue_saturation);
if (ctrl->gamma >= 0)
indycam_write_reg(client, INDYCAM_GAMMA, ctrl->gamma);
return 0;
return ret;
}
/* I2C-interface */
......@@ -247,7 +314,8 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
if (err)
goto out_free_camera;
camera->version = i2c_smbus_read_byte_data(client, INDYCAM_VERSION);
camera->version = i2c_smbus_read_byte_data(client,
INDYCAM_REG_VERSION);
if (camera->version != CAMERA_VERSION_INDY &&
camera->version != CAMERA_VERSION_MOOSE) {
err = -ENODEV;
......@@ -260,8 +328,7 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
indycam_regdump(client);
// initialize
err = indycam_write_block(client, 0, sizeof(initseq),
(unsigned char *)&initseq);
err = indycam_write_block(client, 0, sizeof(initseq), (u8 *)&initseq);
if (err) {
printk(KERN_ERR "IndyCam initalization failed\n");
err = -EIO;
......@@ -271,11 +338,10 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
indycam_regdump(client);
// white balance
err = indycam_write_reg(client, INDYCAM_CONTROL,
err = indycam_write_reg(client, INDYCAM_REG_CONTROL,
INDYCAM_CONTROL_AGCENA | INDYCAM_CONTROL_AWBCTL);
if (err) {
printk(KERN_ERR "IndyCam white balance "
"initialization failed\n");
printk(KERN_ERR "IndyCam: White balancing camera failed\n");
err = -EIO;
goto out_detach_client;
}
......@@ -371,13 +437,11 @@ static int indycam_command(struct i2c_client *client, unsigned int cmd,
/* TODO: convert values for indycam_set_controls() */
break;
}
case DECODER_INDYCAM_GET_CONTROLS: {
struct indycam_control *ctrl = arg;
indycam_get_controls(client, ctrl);
case DECODER_INDYCAM_GET_CONTROL: {
return indycam_get_control(client, arg);
}
case DECODER_INDYCAM_SET_CONTROLS: {
struct indycam_control *ctrl = arg;
indycam_set_controls(client, ctrl);
case DECODER_INDYCAM_SET_CONTROL: {
return indycam_set_control(client, arg);
}
default:
return -EINVAL;
......@@ -388,12 +452,12 @@ static int indycam_command(struct i2c_client *client, unsigned int cmd,
static struct i2c_driver i2c_driver_indycam = {
.owner = THIS_MODULE,
.name = "indycam",
.id = I2C_DRIVERID_INDYCAM,
.flags = I2C_DF_NOTIFY,
.name = "indycam",
.id = I2C_DRIVERID_INDYCAM,
.flags = I2C_DF_NOTIFY,
.attach_adapter = indycam_probe,
.detach_client = indycam_detach,
.command = indycam_command,
.detach_client = indycam_detach,
.command = indycam_command,
};
static int __init indycam_init(void)
......
drivers/media/video/indycam.h
View file @ a637a114
......@@ -22,21 +22,21 @@
#define INDYCAM_VERSION_MINOR(x) ((x) & 0x0f)
/* Register bus addresses */
#define INDYCAM_CONTROL 0x00
#define INDYCAM_SHUTTER 0x01
#define INDYCAM_GAIN 0x02
#define INDYCAM_BRIGHTNESS 0x03 /* read-only */
#define INDYCAM_RED_BALANCE 0x04
#define INDYCAM_BLUE_BALANCE 0x05
#define INDYCAM_RED_SATURATION 0x06
#define INDYCAM_BLUE_SATURATION 0x07
#define INDYCAM_GAMMA 0x08
#define INDYCAM_VERSION 0x0e /* read-only */
#define INDYCAM_RESET 0x0f /* write-only */
#define INDYCAM_LED 0x46
#define INDYCAM_ORIENTATION 0x47
#define INDYCAM_BUTTON 0x48
#define INDYCAM_REG_CONTROL 0x00
#define INDYCAM_REG_SHUTTER 0x01
#define INDYCAM_REG_GAIN 0x02
#define INDYCAM_REG_BRIGHTNESS 0x03 /* read-only */
#define INDYCAM_REG_RED_BALANCE 0x04
#define INDYCAM_REG_BLUE_BALANCE 0x05
#define INDYCAM_REG_RED_SATURATION 0x06
#define INDYCAM_REG_BLUE_SATURATION 0x07
#define INDYCAM_REG_GAMMA 0x08
#define INDYCAM_REG_VERSION 0x0e /* read-only */
#define INDYCAM_REG_RESET 0x0f /* write-only */
#define INDYCAM_REG_LED 0x46
#define INDYCAM_REG_ORIENTATION 0x47
#define INDYCAM_REG_BUTTON 0x48
/* Field definitions of registers */
#define INDYCAM_CONTROL_AGCENA (1<<0) /* automatic gain control */
......@@ -59,13 +59,14 @@
#define INDYCAM_ORIENTATION_BOTTOM_TO_TOP 0x40
#define INDYCAM_BUTTON_RELEASED 0x10
/* Values for controls */
#define INDYCAM_SHUTTER_MIN 0x00
#define INDYCAM_SHUTTER_MAX 0xff
#define INDYCAM_GAIN_MIN 0x00
#define INDYCAM_GAIN_MAX 0xff
#define INDYCAM_RED_BALANCE_MIN 0x00 /* the effect is the opposite? */
#define INDYCAM_RED_BALANCE_MAX 0xff
#define INDYCAM_BLUE_BALANCE_MIN 0x00 /* the effect is the opposite? */
#define INDYCAM_RED_BALANCE_MIN 0x00
#define INDYCAM_RED_BALANCE_MAX 0xff
#define INDYCAM_BLUE_BALANCE_MIN 0x00
#define INDYCAM_BLUE_BALANCE_MAX 0xff
#define INDYCAM_RED_SATURATION_MIN 0x00
#define INDYCAM_RED_SATURATION_MAX 0xff
......@@ -74,34 +75,9 @@
#define INDYCAM_GAMMA_MIN 0x00
#define INDYCAM_GAMMA_MAX 0xff
/* Driver interface definitions */
#define INDYCAM_VALUE_ENABLED 1
#define INDYCAM_VALUE_DISABLED 0
#define INDYCAM_VALUE_UNCHANGED -1
/* When setting controls, a value of -1 leaves the control unchanged. */
struct indycam_control {
int agc; /* boolean */
int awb; /* boolean */
int shutter;
int gain;
int red_balance;
int blue_balance;
int red_saturation;
int blue_saturation;
int gamma;
};
#define DECODER_INDYCAM_GET_CONTROLS _IOR('d', 193, struct indycam_control)
#define DECODER_INDYCAM_SET_CONTROLS _IOW('d', 194, struct indycam_control)
/* Default values for controls */
#define INDYCAM_AGC_DEFAULT INDYCAM_VALUE_ENABLED
#define INDYCAM_AWB_DEFAULT INDYCAM_VALUE_ENABLED
#define INDYCAM_SHUTTER_DEFAULT INDYCAM_SHUTTER_60
#define INDYCAM_AGC_DEFAULT 1
#define INDYCAM_AWB_DEFAULT 0
#define INDYCAM_SHUTTER_DEFAULT 0xff
#define INDYCAM_GAIN_DEFAULT 0x80
#define INDYCAM_RED_BALANCE_DEFAULT 0x18
#define INDYCAM_BLUE_BALANCE_DEFAULT 0xa4
......@@ -109,4 +85,24 @@ struct indycam_control {
#define INDYCAM_BLUE_SATURATION_DEFAULT 0xc0
#define INDYCAM_GAMMA_DEFAULT 0x80
/* Driver interface definitions */
#define INDYCAM_CONTROL_AGC 0 /* boolean */
#define INDYCAM_CONTROL_AWB 1 /* boolean */
#define INDYCAM_CONTROL_SHUTTER 2
#define INDYCAM_CONTROL_GAIN 3
#define INDYCAM_CONTROL_RED_BALANCE 4
#define INDYCAM_CONTROL_BLUE_BALANCE 5
#define INDYCAM_CONTROL_RED_SATURATION 6
#define INDYCAM_CONTROL_BLUE_SATURATION 7
#define INDYCAM_CONTROL_GAMMA 8
struct indycam_control {
u8 type;
s32 value;
};
#define DECODER_INDYCAM_GET_CONTROL _IOR('d', 193, struct indycam_control)
#define DECODER_INDYCAM_SET_CONTROL _IOW('d', 194, struct indycam_control)
#endif
drivers/media/video/saa7191.c
View file @ a637a114
......@@ -26,71 +26,95 @@
#include "saa7191.h"
#define SAA7191_MODULE_VERSION "0.0.3"
#define SAA7191_MODULE_VERSION "0.0.5"
MODULE_DESCRIPTION("Philips SAA7191 video decoder driver");
MODULE_VERSION(SAA7191_MODULE_VERSION);
MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
MODULE_LICENSE("GPL");
// #define SAA7191_DEBUG
#ifdef SAA7191_DEBUG
#define dprintk(x...) printk("SAA7191: " x);
#else
#define dprintk(x...)
#endif
#define SAA7191_SYNC_COUNT 30
#define SAA7191_SYNC_DELAY 100 /* milliseconds */
struct saa7191 {
struct i2c_client *client;
/* the register values are stored here as the actual
* I2C-registers are write-only */
unsigned char reg[25];
u8 reg[25];
unsigned char norm;
unsigned char input;
int input;
int norm;
};
static struct i2c_driver i2c_driver_saa7191;
static const unsigned char initseq[] = {
static const u8 initseq[] = {
0, /* Subaddress */
0x50, /* SAA7191_REG_IDEL */
0x30, /* SAA7191_REG_HSYB */
0x00, /* SAA7191_REG_HSYS */
0xe8, /* SAA7191_REG_HCLB */
0xb6, /* SAA7191_REG_HCLS */
0xf4, /* SAA7191_REG_HPHI */
0x01, /* SAA7191_REG_LUMA - chrominance trap active (CVBS) */
0x00, /* SAA7191_REG_HUEC */
0xf8, /* SAA7191_REG_CKTQ */
0xf8, /* SAA7191_REG_CKTS */
0x90, /* SAA7191_REG_PLSE */
0x90, /* SAA7191_REG_SESE */
0x00, /* SAA7191_REG_GAIN */
0x0c, /* SAA7191_REG_STDC - not SECAM, slow time constant */
0x78, /* SAA7191_REG_IOCK - chrominance from CVBS, GPSW1 & 2 off */
0x99, /* SAA7191_REG_CTL3 - automatic field detection */
0x00, /* SAA7191_REG_CTL4 */
0x2c, /* SAA7191_REG_CHCV */
0x50, /* (0x50) SAA7191_REG_IDEL */
/* 50 Hz signal timing */
0x30, /* (0x30) SAA7191_REG_HSYB */
0x00, /* (0x00) SAA7191_REG_HSYS */
0xe8, /* (0xe8) SAA7191_REG_HCLB */
0xb6, /* (0xb6) SAA7191_REG_HCLS */
0xf4, /* (0xf4) SAA7191_REG_HPHI */
/* control */
SAA7191_LUMA_APER_1, /* (0x01) SAA7191_REG_LUMA - CVBS mode */
0x00, /* (0x00) SAA7191_REG_HUEC */
0xf8, /* (0xf8) SAA7191_REG_CKTQ */
0xf8, /* (0xf8) SAA7191_REG_CKTS */
0x90, /* (0x90) SAA7191_REG_PLSE */
0x90, /* (0x90) SAA7191_REG_SESE */
0x00, /* (0x00) SAA7191_REG_GAIN */
SAA7191_STDC_NFEN | SAA7191_STDC_HRMV, /* (0x0c) SAA7191_REG_STDC
* - not SECAM,
* slow time constant */
SAA7191_IOCK_OEDC | SAA7191_IOCK_OEHS | SAA7191_IOCK_OEVS
| SAA7191_IOCK_OEDY, /* (0x78) SAA7191_REG_IOCK
* - chroma from CVBS, GPSW1 & 2 off */
SAA7191_CTL3_AUFD | SAA7191_CTL3_SCEN | SAA7191_CTL3_OFTS
| SAA7191_CTL3_YDEL0, /* (0x99) SAA7191_REG_CTL3
* - automatic field detection */
0x00, /* (0x00) SAA7191_REG_CTL4 */
0x2c, /* (0x2c) SAA7191_REG_CHCV - PAL nominal value */
0x00, /* unused */
0x00, /* unused */
0x34, /* SAA7191_REG_HS6B */
0x0a, /* SAA7191_REG_HS6S */
0xf4, /* SAA7191_REG_HC6B */
0xce, /* SAA7191_REG_HC6S */
0xf4, /* SAA7191_REG_HP6I */
/* 60 Hz signal timing */
0x34, /* (0x34) SAA7191_REG_HS6B */
0x0a, /* (0x0a) SAA7191_REG_HS6S */
0xf4, /* (0xf4) SAA7191_REG_HC6B */
0xce, /* (0xce) SAA7191_REG_HC6S */
0xf4, /* (0xf4) SAA7191_REG_HP6I */
};
/* SAA7191 register handling */
static unsigned char saa7191_read_reg(struct i2c_client *client,
unsigned char reg)
static u8 saa7191_read_reg(struct i2c_client *client,
u8 reg)
{
return ((struct saa7191 *)i2c_get_clientdata(client))->reg[reg];
}
static int saa7191_read_status(struct i2c_client *client,
unsigned char *value)
u8 *value)
{
int ret;
ret = i2c_master_recv(client, value, 1);
if (ret < 0) {
printk(KERN_ERR "SAA7191: saa7191_read_status(): read failed");
printk(KERN_ERR "SAA7191: saa7191_read_status(): read failed\n");
return ret;
}
......@@ -98,17 +122,16 @@ static int saa7191_read_status(struct i2c_client *client,
}
static int saa7191_write_reg(struct i2c_client *client, unsigned char reg,
unsigned char value)
static int saa7191_write_reg(struct i2c_client *client, u8 reg,
u8 value)
{
((struct saa7191 *)i2c_get_clientdata(client))->reg[reg] = value;
return i2c_smbus_write_byte_data(client, reg, value);
}
/* the first byte of data must be the first subaddress number (register) */
static int saa7191_write_block(struct i2c_client *client,
unsigned char length, unsigned char *data)
u8 length, u8 *data)
{
int i;
int ret;
......@@ -121,7 +144,7 @@ static int saa7191_write_block(struct i2c_client *client,
ret = i2c_master_send(client, data, length);
if (ret < 0) {
printk(KERN_ERR "SAA7191: saa7191_write_block(): "
"write failed");
"write failed\n");
return ret;
}
......@@ -132,8 +155,9 @@ static int saa7191_write_block(struct i2c_client *client,
static int saa7191_set_input(struct i2c_client *client, int input)
{
unsigned char luma = saa7191_read_reg(client, SAA7191_REG_LUMA);
unsigned char iock = saa7191_read_reg(client, SAA7191_REG_IOCK);
struct saa7191 *decoder = i2c_get_clientdata(client);
u8 luma = saa7191_read_reg(client, SAA7191_REG_LUMA);
u8 iock = saa7191_read_reg(client, SAA7191_REG_IOCK);
int err;
switch (input) {
......@@ -159,32 +183,20 @@ static int saa7191_set_input(struct i2c_client *client, int input)
if (err)
return -EIO;
decoder->input = input;
return 0;
}
static int saa7191_set_norm(struct i2c_client *client, int norm)
{
struct saa7191 *decoder = i2c_get_clientdata(client);
unsigned char stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
unsigned char ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3);
unsigned char chcv = saa7191_read_reg(client, SAA7191_REG_CHCV);
u8 stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
u8 ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3);
u8 chcv = saa7191_read_reg(client, SAA7191_REG_CHCV);
int err;
switch(norm) {
case SAA7191_NORM_AUTO: {
unsigned char status;
// does status depend on current norm ?
if (saa7191_read_status(client, &status))
return -EIO;
stdc &= ~SAA7191_STDC_SECS;
ctl3 &= ~SAA7191_CTL3_FSEL;
ctl3 |= SAA7191_CTL3_AUFD;
chcv = (status & SAA7191_STATUS_FIDT)
? SAA7191_CHCV_NTSC : SAA7191_CHCV_PAL;
break;
}
case SAA7191_NORM_PAL:
stdc &= ~SAA7191_STDC_SECS;
ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL);
......@@ -217,60 +229,335 @@ static int saa7191_set_norm(struct i2c_client *client, int norm)
decoder->norm = norm;
dprintk("ctl3: %02x stdc: %02x chcv: %02x\n", ctl3,
stdc, chcv);
dprintk("norm: %d\n", norm);
return 0;
}
static int saa7191_get_controls(struct i2c_client *client,
struct saa7191_control *ctrl)
static int saa7191_wait_for_signal(struct i2c_client *client, u8 *status)
{
unsigned char hue = saa7191_read_reg(client, SAA7191_REG_HUEC);
unsigned char stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
int i = 0;
if (hue < 0x80) {
hue += 0x80;
} else {
hue -= 0x80;
dprintk("Checking for signal...\n");
for (i = 0; i < SAA7191_SYNC_COUNT; i++) {
if (saa7191_read_status(client, status))
return -EIO;
if (((*status) & SAA7191_STATUS_HLCK) == 0) {
dprintk("Signal found\n");
return 0;
}
msleep(SAA7191_SYNC_DELAY);
}
ctrl->hue = hue;
ctrl->vtrc = (stdc & SAA7191_STDC_VTRC)
? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED;
dprintk("No signal\n");
return 0;
return -EBUSY;
}
static int saa7191_set_controls(struct i2c_client *client,
struct saa7191_control *ctrl)
static int saa7191_autodetect_norm_extended(struct i2c_client *client)
{
int err;
u8 stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
u8 ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3);
u8 status;
int err = 0;
if (ctrl->hue >= 0) {
unsigned char hue = ctrl->hue & 0xff;
if (hue < 0x80) {
hue += 0x80;
} else {
hue -= 0x80;
dprintk("SAA7191 extended signal auto-detection...\n");
stdc &= ~SAA7191_STDC_SECS;
ctl3 &= ~(SAA7191_CTL3_FSEL);
err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc);
if (err) {
err = -EIO;
goto out;
}
err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3);
if (err) {
err = -EIO;
goto out;
}
ctl3 |= SAA7191_CTL3_AUFD;
err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3);
if (err) {
err = -EIO;
goto out;
}
msleep(SAA7191_SYNC_DELAY);
err = saa7191_wait_for_signal(client, &status);
if (err)
goto out;
if (status & SAA7191_STATUS_FIDT) {
/* 60Hz signal -> NTSC */
dprintk("60Hz signal: NTSC\n");
return saa7191_set_norm(client, SAA7191_NORM_NTSC);
}
/* 50Hz signal */
dprintk("50Hz signal: Trying PAL...\n");
/* try PAL first */
err = saa7191_set_norm(client, SAA7191_NORM_PAL);
if (err)
goto out;
msleep(SAA7191_SYNC_DELAY);
err = saa7191_wait_for_signal(client, &status);
if (err)
goto out;
/* not 50Hz ? */
if (status & SAA7191_STATUS_FIDT) {
dprintk("No 50Hz signal\n");
err = -EAGAIN;
goto out;
}
if (status & SAA7191_STATUS_CODE) {
dprintk("PAL\n");
return 0;
}
dprintk("No color detected with PAL - Trying SECAM...\n");
/* no color detected ? -> try SECAM */
err = saa7191_set_norm(client,
SAA7191_NORM_SECAM);
if (err)
goto out;
msleep(SAA7191_SYNC_DELAY);
err = saa7191_wait_for_signal(client, &status);
if (err)
goto out;
/* not 50Hz ? */
if (status & SAA7191_STATUS_FIDT) {
dprintk("No 50Hz signal\n");
err = -EAGAIN;
goto out;
}
if (status & SAA7191_STATUS_CODE) {
/* Color detected -> SECAM */
dprintk("SECAM\n");
return 0;
}
dprintk("No color detected with SECAM - Going back to PAL.\n");
/* still no color detected ?
* -> set norm back to PAL */
err = saa7191_set_norm(client,
SAA7191_NORM_PAL);
if (err)
goto out;
out:
ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3);
if (ctl3 & SAA7191_CTL3_AUFD) {
ctl3 &= ~(SAA7191_CTL3_AUFD);
err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3);
if (err) {
err = -EIO;
}
err = saa7191_write_reg(client, SAA7191_REG_HUEC, hue);
if (err)
return -EIO;
}
if (ctrl->vtrc >= 0) {
unsigned char stdc =
saa7191_read_reg(client, SAA7191_REG_STDC);
if (ctrl->vtrc) {
stdc |= SAA7191_STDC_VTRC;
} else {
stdc &= ~SAA7191_STDC_VTRC;
return err;
}
static int saa7191_autodetect_norm(struct i2c_client *client)
{
u8 status;
dprintk("SAA7191 signal auto-detection...\n");
dprintk("Reading status...\n");
if (saa7191_read_status(client, &status))
return -EIO;
dprintk("Checking for signal...\n");
/* no signal ? */
if (status & SAA7191_STATUS_HLCK) {
dprintk("No signal\n");
return -EBUSY;
}
dprintk("Signal found\n");
if (status & SAA7191_STATUS_FIDT) {
/* 60hz signal -> NTSC */
dprintk("NTSC\n");
return saa7191_set_norm(client, SAA7191_NORM_NTSC);
} else {
/* 50hz signal -> PAL */
dprintk("PAL\n");
return saa7191_set_norm(client, SAA7191_NORM_PAL);
}
}
static int saa7191_get_control(struct i2c_client *client,
struct saa7191_control *ctrl)
{
u8 reg;
int ret = 0;
switch (ctrl->type) {
case SAA7191_CONTROL_BANDPASS:
case SAA7191_CONTROL_BANDPASS_WEIGHT:
case SAA7191_CONTROL_CORING:
reg = saa7191_read_reg(client, SAA7191_REG_LUMA);
switch (ctrl->type) {
case SAA7191_CONTROL_BANDPASS:
ctrl->value = ((s32)reg & SAA7191_LUMA_BPSS_MASK)
>> SAA7191_LUMA_BPSS_SHIFT;
break;
case SAA7191_CONTROL_BANDPASS_WEIGHT:
ctrl->value = ((s32)reg & SAA7191_LUMA_APER_MASK)
>> SAA7191_LUMA_APER_SHIFT;
break;
case SAA7191_CONTROL_CORING:
ctrl->value = ((s32)reg & SAA7191_LUMA_CORI_MASK)
>> SAA7191_LUMA_CORI_SHIFT;
break;
}
break;
case SAA7191_CONTROL_FORCE_COLOUR:
case SAA7191_CONTROL_CHROMA_GAIN:
reg = saa7191_read_reg(client, SAA7191_REG_GAIN);
if (ctrl->type == SAA7191_CONTROL_FORCE_COLOUR)
ctrl->value = ((s32)reg & SAA7191_GAIN_COLO) ? 1 : 0;
else
ctrl->value = ((s32)reg & SAA7191_GAIN_LFIS_MASK)
>> SAA7191_GAIN_LFIS_SHIFT;
break;
case SAA7191_CONTROL_HUE:
reg = saa7191_read_reg(client, SAA7191_REG_HUEC);
if (reg < 0x80)
reg += 0x80;
else
reg -= 0x80;
ctrl->value = (s32)reg;
break;
case SAA7191_CONTROL_VTRC:
reg = saa7191_read_reg(client, SAA7191_REG_STDC);
ctrl->value = ((s32)reg & SAA7191_STDC_VTRC) ? 1 : 0;
break;
case SAA7191_CONTROL_LUMA_DELAY:
reg = saa7191_read_reg(client, SAA7191_REG_CTL3);
ctrl->value = ((s32)reg & SAA7191_CTL3_YDEL_MASK)
>> SAA7191_CTL3_YDEL_SHIFT;
if (ctrl->value >= 4)
ctrl->value -= 8;
break;
case SAA7191_CONTROL_VNR:
reg = saa7191_read_reg(client, SAA7191_REG_CTL4);
ctrl->value = ((s32)reg & SAA7191_CTL4_VNOI_MASK)
>> SAA7191_CTL4_VNOI_SHIFT;
break;
default:
ret = -EINVAL;
}
err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc);
if (err)
return -EIO;
return ret;
}
static int saa7191_set_control(struct i2c_client *client,
struct saa7191_control *ctrl)
{
u8 reg;
int ret = 0;
switch (ctrl->type) {
case SAA7191_CONTROL_BANDPASS:
case SAA7191_CONTROL_BANDPASS_WEIGHT:
case SAA7191_CONTROL_CORING:
reg = saa7191_read_reg(client, SAA7191_REG_LUMA);
switch (ctrl->type) {
case SAA7191_CONTROL_BANDPASS:
reg &= ~SAA7191_LUMA_BPSS_MASK;
reg |= (ctrl->value << SAA7191_LUMA_BPSS_SHIFT)
& SAA7191_LUMA_BPSS_MASK;
break;
case SAA7191_CONTROL_BANDPASS_WEIGHT:
reg &= ~SAA7191_LUMA_APER_MASK;
reg |= (ctrl->value << SAA7191_LUMA_APER_SHIFT)
& SAA7191_LUMA_APER_MASK;
break;
case SAA7191_CONTROL_CORING:
reg &= ~SAA7191_LUMA_CORI_MASK;
reg |= (ctrl->value << SAA7191_LUMA_CORI_SHIFT)
& SAA7191_LUMA_CORI_MASK;
break;
}
ret = saa7191_write_reg(client, SAA7191_REG_LUMA, reg);
break;
case SAA7191_CONTROL_FORCE_COLOUR:
case SAA7191_CONTROL_CHROMA_GAIN:
reg = saa7191_read_reg(client, SAA7191_REG_GAIN);
if (ctrl->type == SAA7191_CONTROL_FORCE_COLOUR) {
if (ctrl->value)
reg |= SAA7191_GAIN_COLO;
else
reg &= ~SAA7191_GAIN_COLO;
} else {
reg &= ~SAA7191_GAIN_LFIS_MASK;
reg |= (ctrl->value << SAA7191_GAIN_LFIS_SHIFT)
& SAA7191_GAIN_LFIS_MASK;
}
ret = saa7191_write_reg(client, SAA7191_REG_GAIN, reg);
break;
case SAA7191_CONTROL_HUE:
reg = ctrl->value & 0xff;
if (reg < 0x80)
reg += 0x80;
else
reg -= 0x80;
ret = saa7191_write_reg(client, SAA7191_REG_HUEC, reg);
break;
case SAA7191_CONTROL_VTRC:
reg = saa7191_read_reg(client, SAA7191_REG_STDC);
if (ctrl->value)
reg |= SAA7191_STDC_VTRC;
else
reg &= ~SAA7191_STDC_VTRC;
ret = saa7191_write_reg(client, SAA7191_REG_STDC, reg);
break;
case SAA7191_CONTROL_LUMA_DELAY: {
s32 value = ctrl->value;
if (value < 0)
value += 8;
reg = saa7191_read_reg(client, SAA7191_REG_CTL3);
reg &= ~SAA7191_CTL3_YDEL_MASK;
reg |= (value << SAA7191_CTL3_YDEL_SHIFT)
& SAA7191_CTL3_YDEL_MASK;
ret = saa7191_write_reg(client, SAA7191_REG_CTL3, reg);
break;
}
case SAA7191_CONTROL_VNR:
reg = saa7191_read_reg(client, SAA7191_REG_CTL4);
reg &= ~SAA7191_CTL4_VNOI_MASK;
reg |= (ctrl->value << SAA7191_CTL4_VNOI_SHIFT)
& SAA7191_CTL4_VNOI_MASK;
ret = saa7191_write_reg(client, SAA7191_REG_CTL4, reg);
break;
default:
ret = -EINVAL;
}
return 0;
return ret;
}
/* I2C-interface */
......@@ -309,11 +596,7 @@ static int saa7191_attach(struct i2c_adapter *adap, int addr, int kind)
if (err)
goto out_free_decoder;
decoder->input = SAA7191_INPUT_COMPOSITE;
decoder->norm = SAA7191_NORM_AUTO;
err = saa7191_write_block(client, sizeof(initseq),
(unsigned char *)initseq);
err = saa7191_write_block(client, sizeof(initseq), (u8 *)initseq);
if (err) {
printk(KERN_ERR "SAA7191 initialization failed\n");
goto out_detach_client;
......@@ -321,6 +604,14 @@ static int saa7191_attach(struct i2c_adapter *adap, int addr, int kind)
printk(KERN_INFO "SAA7191 initialized\n");
decoder->input = SAA7191_INPUT_COMPOSITE;
decoder->norm = SAA7191_NORM_PAL;
err = saa7191_autodetect_norm(client);
if (err && (err != -EBUSY)) {
printk(KERN_ERR "SAA7191: Signal auto-detection failed\n");
}
return 0;
out_detach_client:
......@@ -368,7 +659,7 @@ static int saa7191_command(struct i2c_client *client, unsigned int cmd,
}
case DECODER_GET_STATUS: {
int *iarg = arg;
unsigned char status;
u8 status;
int res = 0;
if (saa7191_read_status(client, &status)) {
......@@ -404,7 +695,7 @@ static int saa7191_command(struct i2c_client *client, unsigned int cmd,
switch (*iarg) {
case VIDEO_MODE_AUTO:
return saa7191_set_norm(client, SAA7191_NORM_AUTO);
return saa7191_autodetect_norm(client);
case VIDEO_MODE_PAL:
return saa7191_set_norm(client, SAA7191_NORM_PAL);
case VIDEO_MODE_NTSC:
......@@ -446,38 +737,48 @@ static int saa7191_command(struct i2c_client *client, unsigned int cmd,
int err;
val = (pic->hue >> 8) - 0x80;
err = saa7191_write_reg(client, SAA7191_REG_HUEC, val);
if (err)
return -EIO;
break;
}
case DECODER_SAA7191_GET_STATUS: {
struct saa7191_status *status = arg;
unsigned char status_reg;
u8 status_reg;
if (saa7191_read_status(client, &status_reg))
return -EIO;
status->signal = ((status_reg & SAA7191_STATUS_HLCK) == 0)
? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED;
status->ntsc = (status_reg & SAA7191_STATUS_FIDT)
? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED;
status->color = (status_reg & SAA7191_STATUS_CODE)
? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED;
? 1 : 0;
status->signal_60hz = (status_reg & SAA7191_STATUS_FIDT)
? 1 : 0;
status->color = (status_reg & SAA7191_STATUS_CODE) ? 1 : 0;
status->input = decoder->input;
status->norm = decoder->norm;
break;
}
case DECODER_SAA7191_SET_NORM: {
int *norm = arg;
return saa7191_set_norm(client, *norm);
switch (*norm) {
case SAA7191_NORM_AUTO:
return saa7191_autodetect_norm(client);
case SAA7191_NORM_AUTO_EXT:
return saa7191_autodetect_norm_extended(client);
default:
return saa7191_set_norm(client, *norm);
}
}
case DECODER_SAA7191_GET_CONTROLS: {
struct saa7191_control *ctrl = arg;
return saa7191_get_controls(client, ctrl);
case DECODER_SAA7191_GET_CONTROL: {
return saa7191_get_control(client, arg);
}
case DECODER_SAA7191_SET_CONTROLS: {
struct saa7191_control *ctrl = arg;
return saa7191_set_controls(client, ctrl);
case DECODER_SAA7191_SET_CONTROL: {
return saa7191_set_control(client, arg);
}
default:
return -EINVAL;
......@@ -488,12 +789,12 @@ static int saa7191_command(struct i2c_client *client, unsigned int cmd,
static struct i2c_driver i2c_driver_saa7191 = {
.owner = THIS_MODULE,
.name = "saa7191",
.id = I2C_DRIVERID_SAA7191,
.flags = I2C_DF_NOTIFY,
.name = "saa7191",
.id = I2C_DRIVERID_SAA7191,
.flags = I2C_DF_NOTIFY,
.attach_adapter = saa7191_probe,
.detach_client = saa7191_detach,
.command = saa7191_command
.detach_client = saa7191_detach,
.command = saa7191_command
};
static int saa7191_init(void)
......
drivers/media/video/saa7191.h
View file @ a637a114
......@@ -24,8 +24,8 @@
#define SAA7191_REG_HPHI 0x05
#define SAA7191_REG_LUMA 0x06
#define SAA7191_REG_HUEC 0x07
#define SAA7191_REG_CKTQ 0x08
#define SAA7191_REG_CKTS 0x09
#define SAA7191_REG_CKTQ 0x08 /* bits 3-7 */
#define SAA7191_REG_CKTS 0x09 /* bits 3-7 */
#define SAA7191_REG_PLSE 0x0a
#define SAA7191_REG_SESE 0x0b
#define SAA7191_REG_GAIN 0x0c
......@@ -43,30 +43,82 @@
/* Status Register definitions */
#define SAA7191_STATUS_CODE 0x01 /* color detected flag */
#define SAA7191_STATUS_FIDT 0x20 /* format type NTSC/PAL */
#define SAA7191_STATUS_HLCK 0x40 /* PLL unlocked/locked */
#define SAA7191_STATUS_FIDT 0x20 /* signal type 50/60 Hz */
#define SAA7191_STATUS_HLCK 0x40 /* PLL unlocked(1)/locked(0) */
#define SAA7191_STATUS_STTC 0x80 /* tv/vtr time constant */
/* Luminance Control Register definitions */
/* input mode select bit:
* 0=CVBS (chrominance trap active), 1=S-Video (trap bypassed) */
#define SAA7191_LUMA_BYPS 0x80
/* Chroma Gain Control Settings Register definitions */
/* 0=automatic colour-killer enabled, 1=forced colour on */
/* pre-filter (only when chrominance trap is active) */
#define SAA7191_LUMA_PREF 0x40
/* aperture bandpass to select different characteristics with maximums
* (bits 4-5) */
#define SAA7191_LUMA_BPSS_MASK 0x30
#define SAA7191_LUMA_BPSS_SHIFT 4
#define SAA7191_LUMA_BPSS_3 0x30
#define SAA7191_LUMA_BPSS_2 0x20
#define SAA7191_LUMA_BPSS_1 0x10
#define SAA7191_LUMA_BPSS_0 0x00
/* coring range for high frequency components according to 8-bit luminance
* (bits 2-3)
* 0=coring off, n= (+-)n LSB */
#define SAA7191_LUMA_CORI_MASK 0x0c
#define SAA7191_LUMA_CORI_SHIFT 2
#define SAA7191_LUMA_CORI_3 0x0c
#define SAA7191_LUMA_CORI_2 0x08
#define SAA7191_LUMA_CORI_1 0x04
#define SAA7191_LUMA_CORI_0 0x00
/* aperture bandpass filter weights high frequency components of luminance
* signal (bits 0-1)
* 0=factor 0, 1=0.25, 2=0.5, 3=1 */
#define SAA7191_LUMA_APER_MASK 0x03
#define SAA7191_LUMA_APER_SHIFT 0
#define SAA7191_LUMA_APER_3 0x03
#define SAA7191_LUMA_APER_2 0x02
#define SAA7191_LUMA_APER_1 0x01
#define SAA7191_LUMA_APER_0 0x00
/* Chrominance Gain Control Settings Register definitions */
/* colour on: 0=automatic colour-killer enabled, 1=forced colour on */
#define SAA7191_GAIN_COLO 0x80
/* chrominance gain control (AGC filter)
* 0=loop filter time constant slow, 1=medium, 2=fast, 3=actual gain */
#define SAA7191_GAIN_LFIS_MASK 0x60
#define SAA7191_GAIN_LFIS_SHIFT 5
#define SAA7191_GAIN_LFIS_3 0x60
#define SAA7191_GAIN_LFIS_2 0x40
#define SAA7191_GAIN_LFIS_1 0x20
#define SAA7191_GAIN_LFIS_0 0x00
/* Standard/Mode Control Register definitions */
/* tv/vtr mode bit: 0=TV mode (slow time constant),
* 1=VTR mode (fast time constant) */
#define SAA7191_STDC_VTRC 0x80
/* SAA7191B-specific functions enable (RTCO, ODD and GPSW0 outputs)
* 0=outputs set to high-impedance (circuit equals SAA7191), 1=enabled */
#define SAA7191_STDC_NFEN 0x08
/* HREF generation: 0=like SAA7191, 1=HREF is 8xLLC2 clocks earlier */
#define SAA7191_STDC_HRMV 0x04
/* general purpose switch 0
* (not used with VINO afaik) */
#define SAA7191_STDC_GPSW0 0x02
/* SECAM mode bit: 0=other standards, 1=SECAM */
#define SAA7191_STDC_SECS 0x01
/* the bit fields above must be or'd with this value */
#define SAA7191_STDC_VALUE 0x0c
/* I/O and Clock Control Register definitions */
/* horizontal clock PLL: 0=PLL closed,
* 1=PLL circuit open and horizontal freq fixed */
#define SAA7191_IOCK_HPLL 0x80
/* colour-difference output enable (outputs UV0-UV7) */
#define SAA7191_IOCK_OEDC 0x40
/* H-sync output enable */
#define SAA7191_IOCK_OEHS 0x20
/* V-sync output enable */
#define SAA7191_IOCK_OEVS 0x10
/* luminance output enable (outputs Y0-Y7) */
#define SAA7191_IOCK_OEDY 0x08
/* S-VHS bit (chrominance from CVBS or from chrominance input):
* 0=controlled by BYPS-bit, 1=from chrominance input */
#define SAA7191_IOCK_CHRS 0x04
......@@ -83,11 +135,40 @@
/* field select: (if AUFD=0)
* 0=50Hz (625 lines), 1=60Hz (525 lines) */
#define SAA7191_CTL3_FSEL 0x40
/* the bit fields above must be or'd with this value */
#define SAA7191_CTL3_VALUE 0x19
/* SECAM cross-colour reduction enable */
#define SAA7191_CTL3_SXCR 0x20
/* sync and clamping pulse enable (HCL and HSY outputs) */
#define SAA7191_CTL3_SCEN 0x10
/* output format: 0=4:1:1, 1=4:2:2 (4:2:2 for VINO) */
#define SAA7191_CTL3_OFTS 0x08
/* luminance delay compensation
* 0=0*2/LLC, 1=+1*2/LLC, 2=+2*2/LLC, 3=+3*2/LLC,
* 4=-4*2/LLC, 5=-3*2/LLC, 6=-2*2/LLC, 7=-1*2/LLC
* step size = 2/LLC = 67.8ns for 50Hz, 81.5ns for 60Hz */
#define SAA7191_CTL3_YDEL_MASK 0x07
#define SAA7191_CTL3_YDEL_SHIFT 0
#define SAA7191_CTL3_YDEL2 0x04
#define SAA7191_CTL3_YDEL1 0x02
#define SAA7191_CTL3_YDEL0 0x01
/* Miscellaneous Control #2 Register definitions */
/* select HREF position
* 0=normal, HREF is matched to YUV output port,
* 1=HREF is matched to CVBS input port */
#define SAA7191_CTL4_HRFS 0x04
/* vertical noise reduction
* 0=normal, 1=searching window, 2=auto-deflection, 3=reduction bypassed */
#define SAA7191_CTL4_VNOI_MASK 0x03
#define SAA7191_CTL4_VNOI_SHIFT 0
#define SAA7191_CTL4_VNOI_3 0x03
#define SAA7191_CTL4_VNOI_2 0x02
#define SAA7191_CTL4_VNOI_1 0x01
#define SAA7191_CTL4_VNOI_0 0x00
/* Chrominance Gain Control Register definitions
* (nominal value for UV CCIR level) */
* - for QAM-modulated input signals, effects output amplitude
* (SECAM gain fixed)
* (nominal values for UV CCIR level) */
#define SAA7191_CHCV_NTSC 0x2c
#define SAA7191_CHCV_PAL 0x59
......@@ -99,16 +180,13 @@
#define SAA7191_NORM_PAL 1
#define SAA7191_NORM_NTSC 2
#define SAA7191_NORM_SECAM 3
#define SAA7191_VALUE_ENABLED 1
#define SAA7191_VALUE_DISABLED 0
#define SAA7191_VALUE_UNCHANGED -1
#define SAA7191_NORM_AUTO_EXT 4 /* extended auto-detection */
struct saa7191_status {
/* 0=no signal, 1=signal active*/
/* 0=no signal, 1=signal detected */
int signal;
/* 0=50hz (pal) signal, 1=60hz (ntsc) signal */
int ntsc;
int signal_60hz;
/* 0=no color detected, 1=color detected */
int color;
......@@ -118,22 +196,60 @@ struct saa7191_status {
int norm;
};
#define SAA7191_HUE_MIN 0x00
#define SAA7191_HUE_MAX 0xff
#define SAA7191_HUE_DEFAULT 0x80
#define SAA7191_BANDPASS_MIN 0x00
#define SAA7191_BANDPASS_MAX 0x03
#define SAA7191_BANDPASS_DEFAULT 0x00
#define SAA7191_BANDPASS_WEIGHT_MIN 0x00
#define SAA7191_BANDPASS_WEIGHT_MAX 0x03
#define SAA7191_BANDPASS_WEIGHT_DEFAULT 0x01
#define SAA7191_CORING_MIN 0x00
#define SAA7191_CORING_MAX 0x03
#define SAA7191_CORING_DEFAULT 0x00
#define SAA7191_HUE_MIN 0x00
#define SAA7191_HUE_MAX 0xff
#define SAA7191_HUE_DEFAULT 0x80
#define SAA7191_VTRC_MIN 0x00
#define SAA7191_VTRC_MAX 0x01
#define SAA7191_VTRC_DEFAULT 0x00
#define SAA7191_FORCE_COLOUR_MIN 0x00
#define SAA7191_FORCE_COLOUR_MAX 0x01
#define SAA7191_FORCE_COLOUR_DEFAULT 0x00
#define SAA7191_CHROMA_GAIN_MIN 0x00
#define SAA7191_CHROMA_GAIN_MAX 0x03
#define SAA7191_CHROMA_GAIN_DEFAULT 0x00
#define SAA7191_LUMA_DELAY_MIN -0x04
#define SAA7191_LUMA_DELAY_MAX 0x03
#define SAA7191_LUMA_DELAY_DEFAULT 0x01
#define SAA7191_VNR_MIN 0x00
#define SAA7191_VNR_MAX 0x03
#define SAA7191_VNR_DEFAULT 0x00
#define SAA7191_VTRC_MIN 0x00
#define SAA7191_VTRC_MAX 0x01
#define SAA7191_VTRC_DEFAULT 0x00
#define SAA7191_CONTROL_BANDPASS 0
#define SAA7191_CONTROL_BANDPASS_WEIGHT 1
#define SAA7191_CONTROL_CORING 2
#define SAA7191_CONTROL_FORCE_COLOUR 3 /* boolean */
#define SAA7191_CONTROL_CHROMA_GAIN 4
#define SAA7191_CONTROL_HUE 5
#define SAA7191_CONTROL_VTRC 6 /* boolean */
#define SAA7191_CONTROL_LUMA_DELAY 7
#define SAA7191_CONTROL_VNR 8
struct saa7191_control {
int hue;
int vtrc;
u8 type;
s32 value;
};
#define DECODER_SAA7191_GET_STATUS _IOR('d', 195, struct saa7191_status)
#define DECODER_SAA7191_SET_NORM _IOW('d', 196, int)
#define DECODER_SAA7191_GET_CONTROLS _IOR('d', 197, struct saa7191_control)
#define DECODER_SAA7191_SET_CONTROLS _IOW('d', 198, struct saa7191_control)
#define DECODER_SAA7191_GET_CONTROL _IOR('d', 197, struct saa7191_control)
#define DECODER_SAA7191_SET_CONTROL _IOW('d', 198, struct saa7191_control)
#endif
drivers/media/video/vino.c
View file @ a637a114
......@@ -12,15 +12,11 @@
/*
* TODO:
* - remove "hacks" from memory allocation code and implement nopage()
* - remove "mark pages reserved-hacks" from memory allocation code
* and implement nopage()
* - check decimation, calculating and reporting image size when
* using decimation
* - check vino_acquire_input(), vino_set_input() and channel
* ownership handling
* - report VINO error-interrupts via ioctls ?
* - implement picture controls (all implemented?)
* - use macros for boolean values (?)
* - implement user mode buffers and overlay (?)
* - implement read(), user mode buffers and overlay (?)
*/
#include <linux/init.h>
......@@ -60,18 +56,16 @@
* debug info.
* Note that the debug output also slows down the driver significantly */
// #define VINO_DEBUG
// #define VINO_DEBUG_INT
#define VINO_MODULE_VERSION "0.0.3"
#define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 3)
#define VINO_MODULE_VERSION "0.0.5"
#define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 5)
MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver");
MODULE_VERSION(VINO_MODULE_VERSION);
MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
MODULE_LICENSE("GPL");
#define mem_map_reserve(p) set_bit(PG_reserved, &((p)->flags))
#define mem_map_unreserve(p) clear_bit(PG_reserved, &((p)->flags))
#ifdef VINO_DEBUG
#define dprintk(x...) printk("VINO: " x);
#else
......@@ -91,15 +85,16 @@ MODULE_LICENSE("GPL");
#define VINO_MIN_HEIGHT 32
#define VINO_CLIPPING_START_ODD_D1 1
#define VINO_CLIPPING_START_ODD_PAL 1
#define VINO_CLIPPING_START_ODD_NTSC 1
#define VINO_CLIPPING_START_ODD_PAL 15
#define VINO_CLIPPING_START_ODD_NTSC 12
#define VINO_CLIPPING_START_EVEN_D1 2
#define VINO_CLIPPING_START_EVEN_PAL 2
#define VINO_CLIPPING_START_EVEN_NTSC 2
#define VINO_CLIPPING_START_EVEN_PAL 15
#define VINO_CLIPPING_START_EVEN_NTSC 12
#define VINO_INPUT_CHANNEL_COUNT 3
/* the number is the index for vino_inputs */
#define VINO_INPUT_NONE -1
#define VINO_INPUT_COMPOSITE 0
#define VINO_INPUT_SVIDEO 1
......@@ -107,15 +102,13 @@ MODULE_LICENSE("GPL");
#define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE)
#define VINO_FIFO_THRESHOLD_DEFAULT 512
#define VINO_FIFO_THRESHOLD_DEFAULT 16
/*#define VINO_FRAMEBUFFER_SIZE (VINO_PAL_WIDTH * VINO_PAL_HEIGHT * 4 \
+ 2 * PAGE_SIZE)*/
#define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \
* VINO_PAL_HEIGHT * 4 \
+ 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1))
#define VINO_FRAMEBUFFER_MAX_COUNT 8
#define VINO_FRAMEBUFFER_COUNT_MAX 8
#define VINO_FRAMEBUFFER_UNUSED 0
#define VINO_FRAMEBUFFER_IN_USE 1
......@@ -131,24 +124,27 @@ MODULE_LICENSE("GPL");
#define VINO_DUMMY_DESC_COUNT 4
#define VINO_DESC_FETCH_DELAY 5 /* microseconds */
#define VINO_MAX_FRAME_SKIP_COUNT 128
/* the number is the index for vino_data_formats */
#define VINO_DATA_FMT_NONE -1
#define VINO_DATA_FMT_GREY 0
#define VINO_DATA_FMT_RGB332 1
#define VINO_DATA_FMT_RGB32 2
#define VINO_DATA_FMT_YUV 3
//#define VINO_DATA_FMT_RGB24 4
#define VINO_DATA_FMT_COUNT 4
/* the number is the index for vino_data_norms */
#define VINO_DATA_NORM_NONE -1
#define VINO_DATA_NORM_NTSC 0
#define VINO_DATA_NORM_PAL 1
#define VINO_DATA_NORM_SECAM 2
#define VINO_DATA_NORM_D1 3
/* The following is a special entry that can be used to
/* The following are special entries that can be used to
* autodetect the norm. */
#define VINO_DATA_NORM_AUTO 0xff
#define VINO_DATA_NORM_AUTO 0xfe
#define VINO_DATA_NORM_AUTO_EXT 0xff
#define VINO_DATA_NORM_COUNT 4
......@@ -232,7 +228,7 @@ struct vino_framebuffer_fifo {
unsigned int head;
unsigned int tail;
unsigned int data[VINO_FRAMEBUFFER_MAX_COUNT];
unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX];
};
struct vino_framebuffer_queue {
......@@ -246,13 +242,20 @@ struct vino_framebuffer_queue {
struct vino_framebuffer_fifo in;
struct vino_framebuffer_fifo out;
struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_MAX_COUNT];
struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX];
spinlock_t queue_lock;
struct semaphore queue_sem;
wait_queue_head_t frame_wait_queue;
};
struct vino_interrupt_data {
struct timeval timestamp;
unsigned int frame_counter;
unsigned int skip_count;
unsigned int skip;
};
struct vino_channel_settings {
unsigned int channel;
......@@ -285,6 +288,8 @@ struct vino_channel_settings {
unsigned int users;
struct vino_interrupt_data int_data;
/* V4L support */
struct video_device *v4l_device;
};
......@@ -315,7 +320,7 @@ struct vino_settings {
/* Module parameters */
/*
* Using vino_pixel_conversion the ARGB32-format pixels supplied
* Using vino_pixel_conversion the ABGR32-format pixels supplied
* by the VINO chip can be converted to more common formats
* like RGBA32 (or probably RGB24 in the future). This way we
* can give out data that can be specified correctly with
......@@ -329,7 +334,9 @@ struct vino_settings {
* Use non-zero value to enable conversion.
*/
static int vino_pixel_conversion = 0;
module_param_named(pixelconv, vino_pixel_conversion, int, 0);
MODULE_PARM_DESC(pixelconv,
"enable pixel conversion (non-zero value enables)");
......@@ -345,15 +352,22 @@ static const char *vino_bus_name = "GIO64 bus";
static const char *vino_v4l_device_name_a = "SGI VINO Channel A";
static const char *vino_v4l_device_name_b = "SGI VINO Channel B";
static void vino_capture_tasklet(unsigned long channel);
DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A);
DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B);
static const struct vino_input vino_inputs[] = {
{
.name = "Composite",
.std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
.std = V4L2_STD_NTSC | V4L2_STD_PAL
| V4L2_STD_SECAM,
},{
.name = "S-Video",
.std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
.std = V4L2_STD_NTSC | V4L2_STD_PAL
| V4L2_STD_SECAM,
},{
.name = "D1 (IndyCam)",
.name = "D1/IndyCam",
.std = V4L2_STD_NTSC,
}
};
......@@ -376,15 +390,10 @@ static const struct vino_data_format vino_data_formats[] = {
.colorspace = V4L2_COLORSPACE_SRGB,
},{
.description = "YUV 4:2:2",
.bpp = 4,
.bpp = 2,
.pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped?
.colorspace = V4L2_COLORSPACE_SMPTE170M,
}/*,{
.description = "24-bit RGB",
.bpp = 3,
.pixelformat = V4L2_PIX_FMT_RGB24,
.colorspace = V4L2_COLORSPACE_SRGB,
}*/
}
};
static const struct vino_data_norm vino_data_norms[] = {
......@@ -397,18 +406,18 @@ static const struct vino_data_norm vino_data_norms[] = {
.width = VINO_NTSC_WIDTH,
.height = VINO_NTSC_HEIGHT,
.odd = {
.top = VINO_CLIPPING_START_ODD_NTSC,
.left = 0,
.top = VINO_CLIPPING_START_ODD_NTSC,
.left = 0,
.bottom = VINO_CLIPPING_START_ODD_NTSC
+ VINO_NTSC_HEIGHT / 2 - 1,
.right = VINO_NTSC_WIDTH,
.right = VINO_NTSC_WIDTH,
},
.even = {
.top = VINO_CLIPPING_START_EVEN_NTSC,
.left = 0,
.top = VINO_CLIPPING_START_EVEN_NTSC,
.left = 0,
.bottom = VINO_CLIPPING_START_EVEN_NTSC
+ VINO_NTSC_HEIGHT / 2 - 1,
.right = VINO_NTSC_WIDTH,
.right = VINO_NTSC_WIDTH,
},
},{
.description = "PAL",
......@@ -419,18 +428,18 @@ static const struct vino_data_norm vino_data_norms[] = {
.width = VINO_PAL_WIDTH,
.height = VINO_PAL_HEIGHT,
.odd = {
.top = VINO_CLIPPING_START_ODD_PAL,
.left = 0,
.top = VINO_CLIPPING_START_ODD_PAL,
.left = 0,
.bottom = VINO_CLIPPING_START_ODD_PAL
+ VINO_PAL_HEIGHT / 2 - 1,
.right = VINO_PAL_WIDTH,
.right = VINO_PAL_WIDTH,
},
.even = {
.top = VINO_CLIPPING_START_EVEN_PAL,
.left = 0,
.top = VINO_CLIPPING_START_EVEN_PAL,
.left = 0,
.bottom = VINO_CLIPPING_START_EVEN_PAL
+ VINO_PAL_HEIGHT / 2 - 1,
.right = VINO_PAL_WIDTH,
.right = VINO_PAL_WIDTH,
},
},{
.description = "SECAM",
......@@ -441,21 +450,21 @@ static const struct vino_data_norm vino_data_norms[] = {
.width = VINO_PAL_WIDTH,
.height = VINO_PAL_HEIGHT,
.odd = {
.top = VINO_CLIPPING_START_ODD_PAL,
.left = 0,
.top = VINO_CLIPPING_START_ODD_PAL,
.left = 0,
.bottom = VINO_CLIPPING_START_ODD_PAL
+ VINO_PAL_HEIGHT / 2 - 1,
.right = VINO_PAL_WIDTH,
.right = VINO_PAL_WIDTH,
},
.even = {
.top = VINO_CLIPPING_START_EVEN_PAL,
.left = 0,
.top = VINO_CLIPPING_START_EVEN_PAL,
.left = 0,
.bottom = VINO_CLIPPING_START_EVEN_PAL
+ VINO_PAL_HEIGHT / 2 - 1,
.right = VINO_PAL_WIDTH,
.right = VINO_PAL_WIDTH,
},
},{
.description = "NTSC (D1 input)",
.description = "NTSC/D1",
.std = V4L2_STD_NTSC,
.fps_min = 6,
.fps_max = 30,
......@@ -463,18 +472,18 @@ static const struct vino_data_norm vino_data_norms[] = {
.width = VINO_NTSC_WIDTH,
.height = VINO_NTSC_HEIGHT,
.odd = {
.top = VINO_CLIPPING_START_ODD_D1,
.left = 0,
.top = VINO_CLIPPING_START_ODD_D1,
.left = 0,
.bottom = VINO_CLIPPING_START_ODD_D1
+ VINO_NTSC_HEIGHT / 2 - 1,
.right = VINO_NTSC_WIDTH,
.right = VINO_NTSC_WIDTH,
},
.even = {
.top = VINO_CLIPPING_START_EVEN_D1,
.left = 0,
.top = VINO_CLIPPING_START_EVEN_D1,
.left = 0,
.bottom = VINO_CLIPPING_START_EVEN_D1
+ VINO_NTSC_HEIGHT / 2 - 1,
.right = VINO_NTSC_WIDTH,
.right = VINO_NTSC_WIDTH,
},
}
};
......@@ -491,7 +500,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_AGC_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_AGC, 0 },
},{
.id = V4L2_CID_AUTO_WHITE_BALANCE,
.type = V4L2_CTRL_TYPE_BOOLEAN,
......@@ -501,7 +510,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_AWB_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_AWB, 0 },
},{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -511,7 +520,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_GAIN_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_GAIN, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -521,7 +530,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_RED_SATURATION_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_RED_SATURATION, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 1,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -531,7 +540,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_BLUE_SATURATION_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_BLUE_SATURATION, 0 },
},{
.id = V4L2_CID_RED_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -541,7 +550,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_RED_BALANCE_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_RED_BALANCE, 0 },
},{
.id = V4L2_CID_BLUE_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -551,7 +560,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_BLUE_BALANCE_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_BLUE_BALANCE, 0 },
},{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -561,7 +570,7 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_SHUTTER_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_SHUTTER, 0 },
},{
.id = V4L2_CID_GAMMA,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -571,11 +580,11 @@ struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
.step = 1,
.default_value = INDYCAM_GAMMA_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { INDYCAM_CONTROL_GAMMA, 0 },
}
};
#define VINO_SAA7191_V4L2_CONTROL_COUNT 2
#define VINO_SAA7191_V4L2_CONTROL_COUNT 9
struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = {
{
......@@ -587,9 +596,59 @@ struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = {
.step = 1,
.default_value = SAA7191_HUE_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { SAA7191_CONTROL_HUE, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Luminance Bandpass",
.minimum = SAA7191_BANDPASS_MIN,
.maximum = SAA7191_BANDPASS_MAX,
.step = 1,
.default_value = SAA7191_BANDPASS_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_BANDPASS, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 1,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Luminance Bandpass Weight",
.minimum = SAA7191_BANDPASS_WEIGHT_MIN,
.maximum = SAA7191_BANDPASS_WEIGHT_MAX,
.step = 1,
.default_value = SAA7191_BANDPASS_WEIGHT_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_BANDPASS_WEIGHT, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 2,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "HF Luminance Coring",
.minimum = SAA7191_CORING_MIN,
.maximum = SAA7191_CORING_MAX,
.step = 1,
.default_value = SAA7191_CORING_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_CORING, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 3,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Force Colour",
.minimum = SAA7191_FORCE_COLOUR_MIN,
.maximum = SAA7191_FORCE_COLOUR_MAX,
.step = 1,
.default_value = SAA7191_FORCE_COLOUR_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_FORCE_COLOUR, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 4,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Chrominance Gain Control",
.minimum = SAA7191_CHROMA_GAIN_MIN,
.maximum = SAA7191_CHROMA_GAIN_MAX,
.step = 1,
.default_value = SAA7191_CHROMA_GAIN_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_CHROMA_GAIN, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 5,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "VTR Time Constant",
.minimum = SAA7191_VTRC_MIN,
......@@ -597,7 +656,27 @@ struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = {
.step = 1,
.default_value = SAA7191_VTRC_DEFAULT,
.flags = 0,
.reserved = { 0, 0 },
.reserved = { SAA7191_CONTROL_VTRC, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 6,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Luminance Delay Compensation",
.minimum = SAA7191_LUMA_DELAY_MIN,
.maximum = SAA7191_LUMA_DELAY_MAX,
.step = 1,
.default_value = SAA7191_LUMA_DELAY_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_LUMA_DELAY, 0 },
},{
.id = V4L2_CID_PRIVATE_BASE + 7,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Vertical Noise Reduction",
.minimum = SAA7191_VNR_MIN,
.maximum = SAA7191_VNR_MAX,
.step = 1,
.default_value = SAA7191_VNR_DEFAULT,
.flags = 0,
.reserved = { SAA7191_CONTROL_VNR, 0 },
}
};
......@@ -639,9 +718,10 @@ static struct i2c_algo_sgi_data i2c_sgi_vino_data =
*/
static int i2c_vino_client_reg(struct i2c_client *client)
{
unsigned long flags;
int ret = 0;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
switch (client->driver->id) {
case I2C_DRIVERID_SAA7191:
if (vino_drvdata->decoder.driver)
......@@ -658,16 +738,17 @@ static int i2c_vino_client_reg(struct i2c_client *client)
default:
ret = -ENODEV;
}
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return ret;
}
static int i2c_vino_client_unreg(struct i2c_client *client)
{
unsigned long flags;
int ret = 0;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (client == vino_drvdata->decoder.driver) {
if (vino_drvdata->decoder.owner != VINO_NO_CHANNEL)
ret = -EBUSY;
......@@ -679,7 +760,7 @@ static int i2c_vino_client_unreg(struct i2c_client *client)
else
vino_drvdata->camera.driver = NULL;
}
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return ret;
}
......@@ -727,7 +808,7 @@ static void vino_free_buffer_with_count(struct vino_framebuffer *fb,
dprintk("vino_free_buffer_with_count(): count = %d\n", count);
for (i = 0; i < count; i++) {
mem_map_unreserve(virt_to_page(fb->desc_table.virtual[i]));
ClearPageReserved(virt_to_page(fb->desc_table.virtual[i]));
dma_unmap_single(NULL,
fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i],
PAGE_SIZE, DMA_FROM_DEVICE);
......@@ -805,7 +886,7 @@ static int vino_allocate_buffer(struct vino_framebuffer *fb,
dma_data_addr + VINO_PAGE_SIZE * j;
}
mem_map_reserve(virt_to_page(fb->desc_table.virtual[i]));
SetPageReserved(virt_to_page(fb->desc_table.virtual[i]));
}
/* page_count needs to be set anyway, because the descriptor table has
......@@ -892,7 +973,7 @@ static int vino_prepare_user_buffer(struct vino_framebuffer *fb,
dma_data_addr + VINO_PAGE_SIZE * j;
}
mem_map_reserve(virt_to_page(fb->desc_table.virtual[i]));
SetPageReserved(virt_to_page(fb->desc_table.virtual[i]));
}
/* page_count needs to be set anyway, because the descriptor table has
......@@ -933,7 +1014,7 @@ static void vino_sync_buffer(struct vino_framebuffer *fb)
/* Framebuffer fifo functions (need to be locked externally) */
static void vino_fifo_init(struct vino_framebuffer_fifo *f,
static inline void vino_fifo_init(struct vino_framebuffer_fifo *f,
unsigned int length)
{
f->length = 0;
......@@ -941,16 +1022,18 @@ static void vino_fifo_init(struct vino_framebuffer_fifo *f,
f->head = 0;
f->tail = 0;
if (length > VINO_FRAMEBUFFER_MAX_COUNT)
length = VINO_FRAMEBUFFER_MAX_COUNT;
if (length > VINO_FRAMEBUFFER_COUNT_MAX)
length = VINO_FRAMEBUFFER_COUNT_MAX;
f->length = length;
}
/* returns true/false */
static int vino_fifo_has_id(struct vino_framebuffer_fifo *f, unsigned int id)
static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f,
unsigned int id)
{
unsigned int i;
for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) {
if (f->data[i] == id)
return 1;
......@@ -959,13 +1042,15 @@ static int vino_fifo_has_id(struct vino_framebuffer_fifo *f, unsigned int id)
return 0;
}
#if 0
/* returns true/false */
static int vino_fifo_full(struct vino_framebuffer_fifo *f)
static inline int vino_fifo_full(struct vino_framebuffer_fifo *f)
{
return (f->used == f->length);
}
#endif
static unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f)
static inline unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f)
{
return f->used;
}
......@@ -1076,8 +1161,8 @@ static int vino_queue_init(struct vino_framebuffer_queue *q,
down(&q->queue_sem);
if (*length > VINO_FRAMEBUFFER_MAX_COUNT)
*length = VINO_FRAMEBUFFER_MAX_COUNT;
if (*length > VINO_FRAMEBUFFER_COUNT_MAX)
*length = VINO_FRAMEBUFFER_COUNT_MAX;
q->length = 0;
......@@ -1313,6 +1398,7 @@ static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q,
return ret;
}
#if 0
static int vino_queue_get_total(struct vino_framebuffer_queue *q,
unsigned int *total)
{
......@@ -1338,6 +1424,7 @@ static int vino_queue_get_total(struct vino_framebuffer_queue *q,
return ret;
}
#endif
static struct vino_framebuffer *vino_queue_peek(struct
vino_framebuffer_queue *q,
......@@ -1471,12 +1558,14 @@ static void vino_update_line_size(struct vino_channel_settings *vcs)
dprintk("update_line_size(): before: w = %d, d = %d, "
"line_size = %d\n", w, d, vcs->line_size);
/* line size must be multiple of 8 bytes */
lsize = (bpp * (w / d)) & ~7;
w = (lsize / bpp) * d;
vcs->clipping.right = vcs->clipping.left + w;
vcs->line_size = lsize;
dprintk("update_line_size(): after: w = %d, d = %d, "
"line_size = %d\n", w, d, vcs->line_size);
}
......@@ -1532,7 +1621,7 @@ static void vino_set_clipping(struct vino_channel_settings *vcs,
}
/* execute with input_lock locked */
static void vino_set_default_clipping(struct vino_channel_settings *vcs)
static inline void vino_set_default_clipping(struct vino_channel_settings *vcs)
{
vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width,
vino_data_norms[vcs->data_norm].height);
......@@ -1556,8 +1645,7 @@ static void vino_set_scaling(struct vino_channel_settings *vcs,
if (d < 1) {
d = 1;
}
if (d > 8) {
} else if (d > 8) {
d = 8;
}
......@@ -1570,7 +1658,7 @@ static void vino_set_scaling(struct vino_channel_settings *vcs,
}
/* execute with input_lock locked */
static void vino_reset_scaling(struct vino_channel_settings *vcs)
static inline void vino_set_default_scaling(struct vino_channel_settings *vcs)
{
vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left,
vcs->clipping.bottom - vcs->clipping.top);
......@@ -1649,7 +1737,8 @@ static void vino_set_framerate(struct vino_channel_settings *vcs,
}
/* execute with input_lock locked */
static void vino_set_default_framerate(struct vino_channel_settings *vcs)
static inline void vino_set_default_framerate(struct
vino_channel_settings *vcs)
{
vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max);
}
......@@ -1687,6 +1776,9 @@ static int vino_dma_setup(struct vino_channel_settings *vcs,
* should be more than enough time */
udelay(VINO_DESC_FETCH_DELAY);
dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n",
ch->start_desc_tbl, ch->next_4_desc);
/* set the alpha register */
ch->alpha = vcs->alpha;
......@@ -1700,9 +1792,6 @@ static int vino_dma_setup(struct vino_channel_settings *vcs,
VINO_CLIP_EVEN(norm->even.top +
vcs->clipping.bottom / 2 - 1) |
VINO_CLIP_X(vcs->clipping.right);
/* FIXME: end-of-field bug workaround
VINO_CLIP_X(VINO_PAL_WIDTH);
*/
/* set the size of actual content in the buffer (DECIMATION !) */
fb->data_size = ((vcs->clipping.right - vcs->clipping.left) /
......@@ -1802,7 +1891,7 @@ static int vino_dma_setup(struct vino_channel_settings *vcs,
}
/* (execute only with vino_lock locked) */
static void vino_dma_start(struct vino_channel_settings *vcs)
static inline void vino_dma_start(struct vino_channel_settings *vcs)
{
u32 ctrl = vino->control;
......@@ -1813,12 +1902,14 @@ static void vino_dma_start(struct vino_channel_settings *vcs)
}
/* (execute only with vino_lock locked) */
static void vino_dma_stop(struct vino_channel_settings *vcs)
static inline void vino_dma_stop(struct vino_channel_settings *vcs)
{
u32 ctrl = vino->control;
ctrl &= (vcs->channel == VINO_CHANNEL_A) ?
~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL;
ctrl &= (vcs->channel == VINO_CHANNEL_A) ?
~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT;
vino->control = ctrl;
dprintk("vino_dma_stop():\n");
}
......@@ -1902,7 +1993,7 @@ static int vino_capture_next(struct vino_channel_settings *vcs, int start)
struct vino_framebuffer *fb;
unsigned int incoming, id;
int err = 0;
unsigned long flags, flags2;
unsigned long flags;
dprintk("vino_capture_next():\n");
......@@ -1943,10 +2034,6 @@ static int vino_capture_next(struct vino_channel_settings *vcs, int start)
goto out;
}
spin_lock_irqsave(&fb->state_lock, flags2);
fb->state = VINO_FRAMEBUFFER_UNUSED;
spin_unlock_irqrestore(&fb->state_lock, flags2);
if (start) {
vcs->capturing = 1;
}
......@@ -1964,7 +2051,7 @@ static int vino_capture_next(struct vino_channel_settings *vcs, int start)
return err;
}
static int vino_is_capturing(struct vino_channel_settings *vcs)
static inline int vino_is_capturing(struct vino_channel_settings *vcs)
{
int ret;
unsigned long flags;
......@@ -2076,6 +2163,7 @@ static void vino_capture_stop(struct vino_channel_settings *vcs)
dprintk("vino_capture_stop():\n");
spin_lock_irqsave(&vcs->capture_lock, flags);
/* unset capturing to stop queue processing */
vcs->capturing = 0;
......@@ -2121,6 +2209,7 @@ static void vino_capture_stop(struct vino_channel_settings *vcs)
spin_unlock_irqrestore(&vcs->capture_lock, flags);
}
#if 0
static int vino_capture_failed(struct vino_channel_settings *vcs)
{
struct vino_framebuffer *fb;
......@@ -2165,9 +2254,31 @@ static int vino_capture_failed(struct vino_channel_settings *vcs)
return 0;
}
#endif
static void vino_skip_frame(struct vino_channel_settings *vcs)
{
struct vino_framebuffer *fb;
unsigned long flags;
unsigned int id;
spin_lock_irqsave(&vcs->capture_lock, flags);
fb = vino_queue_peek(&vcs->fb_queue, &id);
if (!fb) {
spin_unlock_irqrestore(&vcs->capture_lock, flags);
dprintk("vino_skip_frame(): vino_queue_peek() failed!\n");
return;
}
spin_unlock_irqrestore(&vcs->capture_lock, flags);
spin_lock_irqsave(&fb->state_lock, flags);
fb->state = VINO_FRAMEBUFFER_UNUSED;
spin_unlock_irqrestore(&fb->state_lock, flags);
vino_capture_next(vcs, 0);
}
static void vino_frame_done(struct vino_channel_settings *vcs,
unsigned int fc)
static void vino_frame_done(struct vino_channel_settings *vcs)
{
struct vino_framebuffer *fb;
unsigned long flags;
......@@ -2181,8 +2292,9 @@ static void vino_frame_done(struct vino_channel_settings *vcs,
}
spin_unlock_irqrestore(&vcs->capture_lock, flags);
fb->frame_counter = fc;
do_gettimeofday(&fb->timestamp);
fb->frame_counter = vcs->int_data.frame_counter;
memcpy(&fb->timestamp, &vcs->int_data.timestamp,
sizeof(struct timeval));
spin_lock_irqsave(&fb->state_lock, flags);
if (fb->state == VINO_FRAMEBUFFER_IN_USE)
......@@ -2194,72 +2306,175 @@ static void vino_frame_done(struct vino_channel_settings *vcs,
vino_capture_next(vcs, 0);
}
static void vino_capture_tasklet(unsigned long channel) {
struct vino_channel_settings *vcs;
vcs = (channel == VINO_CHANNEL_A)
? &vino_drvdata->a : &vino_drvdata->b;
if (vcs->int_data.skip)
vcs->int_data.skip_count++;
if (vcs->int_data.skip && (vcs->int_data.skip_count
<= VINO_MAX_FRAME_SKIP_COUNT)) {
vino_skip_frame(vcs);
} else {
vcs->int_data.skip_count = 0;
vino_frame_done(vcs);
}
}
static irqreturn_t vino_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
u32 intr;
u32 ctrl, intr;
unsigned int fc_a, fc_b;
int done_a = 0;
int done_b = 0;
int handled_a = 0, skip_a = 0, done_a = 0;
int handled_b = 0, skip_b = 0, done_b = 0;
#ifdef VINO_DEBUG_INT
int loop = 0;
unsigned int line_count = vino->a.line_count,
page_index = vino->a.page_index,
field_counter = vino->a.field_counter,
start_desc_tbl = vino->a.start_desc_tbl,
next_4_desc = vino->a.next_4_desc;
unsigned int line_count_2,
page_index_2,
field_counter_2,
start_desc_tbl_2,
next_4_desc_2;
#endif
spin_lock(&vino_drvdata->vino_lock);
intr = vino->intr_status;
fc_a = vino->a.field_counter / 2;
fc_b = vino->b.field_counter / 2;
// TODO: handle error-interrupts in some special way ?
if (intr & VINO_INTSTAT_A) {
if (intr & VINO_INTSTAT_A_EOF) {
vino_drvdata->a.field++;
if (vino_drvdata->a.field > 1) {
while ((intr = vino->intr_status)) {
fc_a = vino->a.field_counter >> 1;
fc_b = vino->b.field_counter >> 1;
/* handle error-interrupts in some special way ?
* --> skips frames */
if (intr & VINO_INTSTAT_A) {
if (intr & VINO_INTSTAT_A_EOF) {
vino_drvdata->a.field++;
if (vino_drvdata->a.field > 1) {
vino_dma_stop(&vino_drvdata->a);
vino_clear_interrupt(&vino_drvdata->a);
vino_drvdata->a.field = 0;
done_a = 1;
} else {
if (vino->a.page_index
!= vino_drvdata->a.line_size) {
vino->a.line_count = 0;
vino->a.page_index =
vino_drvdata->
a.line_size;
vino->a.next_4_desc =
vino->a.start_desc_tbl;
}
}
dprintk("channel A end-of-field "
"interrupt: %04x\n", intr);
} else {
vino_dma_stop(&vino_drvdata->a);
vino_clear_interrupt(&vino_drvdata->a);
vino_drvdata->a.field = 0;
done_a = 1;
skip_a = 1;
dprintk("channel A error interrupt: %04x\n",
intr);
}
dprintk("intr: channel A end-of-field interrupt: "
"%04x\n", intr);
} else {
vino_dma_stop(&vino_drvdata->a);
vino_clear_interrupt(&vino_drvdata->a);
done_a = 1;
dprintk("channel A error interrupt: %04x\n", intr);
#ifdef VINO_DEBUG_INT
line_count_2 = vino->a.line_count;
page_index_2 = vino->a.page_index;
field_counter_2 = vino->a.field_counter;
start_desc_tbl_2 = vino->a.start_desc_tbl;
next_4_desc_2 = vino->a.next_4_desc;
printk("intr = %04x, loop = %d, field = %d\n",
intr, loop, vino_drvdata->a.field);
printk("1- line count = %04d, page index = %04d, "
"start = %08x, next = %08x\n"
" fieldc = %d, framec = %d\n",
line_count, page_index, start_desc_tbl,
next_4_desc, field_counter, fc_a);
printk("12-line count = %04d, page index = %04d, "
" start = %08x, next = %08x\n",
line_count_2, page_index_2, start_desc_tbl_2,
next_4_desc_2);
if (done_a)
printk("\n");
#endif
}
}
if (intr & VINO_INTSTAT_B) {
if (intr & VINO_INTSTAT_B_EOF) {
vino_drvdata->b.field++;
if (vino_drvdata->b.field > 1) {
if (intr & VINO_INTSTAT_B) {
if (intr & VINO_INTSTAT_B_EOF) {
vino_drvdata->b.field++;
if (vino_drvdata->b.field > 1) {
vino_dma_stop(&vino_drvdata->b);
vino_clear_interrupt(&vino_drvdata->b);
vino_drvdata->b.field = 0;
done_b = 1;
}
dprintk("channel B end-of-field "
"interrupt: %04x\n", intr);
} else {
vino_dma_stop(&vino_drvdata->b);
vino_clear_interrupt(&vino_drvdata->b);
vino_drvdata->b.field = 0;
done_b = 1;
skip_b = 1;
dprintk("channel B error interrupt: %04x\n",
intr);
}
dprintk("intr: channel B end-of-field interrupt: "
"%04x\n", intr);
} else {
vino_dma_stop(&vino_drvdata->b);
vino_clear_interrupt(&vino_drvdata->b);
done_b = 1;
dprintk("channel B error interrupt: %04x\n", intr);
}
}
/* always remember to clear interrupt status */
vino->intr_status = ~intr;
/* Always remember to clear interrupt status.
* Disable VINO interrupts while we do this. */
ctrl = vino->control;
vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT);
vino->intr_status = ~intr;
vino->control = ctrl;
spin_unlock(&vino_drvdata->vino_lock);
spin_unlock(&vino_drvdata->vino_lock);
if (done_a) {
vino_frame_done(&vino_drvdata->a, fc_a);
dprintk("channel A frame done, interrupt: %d\n", intr);
}
if (done_b) {
vino_frame_done(&vino_drvdata->b, fc_b);
dprintk("channel B frame done, interrupt: %d\n", intr);
if ((!handled_a) && (done_a || skip_a)) {
if (!skip_a) {
do_gettimeofday(&vino_drvdata->
a.int_data.timestamp);
vino_drvdata->a.int_data.frame_counter = fc_a;
}
vino_drvdata->a.int_data.skip = skip_a;
dprintk("channel A %s, interrupt: %d\n",
skip_a ? "skipping frame" : "frame done",
intr);
tasklet_hi_schedule(&vino_tasklet_a);
handled_a = 1;
}
if ((!handled_b) && (done_b || skip_b)) {
if (!skip_b) {
do_gettimeofday(&vino_drvdata->
b.int_data.timestamp);
vino_drvdata->b.int_data.frame_counter = fc_b;
}
vino_drvdata->b.int_data.skip = skip_b;
dprintk("channel B %s, interrupt: %d\n",
skip_b ? "skipping frame" : "frame done",
intr);
tasklet_hi_schedule(&vino_tasklet_b);
handled_b = 1;
}
#ifdef VINO_DEBUG_INT
loop++;
#endif
spin_lock(&vino_drvdata->vino_lock);
}
spin_unlock(&vino_drvdata->vino_lock);
return IRQ_HANDLED;
}
......@@ -2279,11 +2494,13 @@ static int vino_get_saa7191_input(int input)
}
}
static int vino_get_saa7191_norm(int norm)
static int vino_get_saa7191_norm(unsigned int data_norm)
{
switch (norm) {
switch (data_norm) {
case VINO_DATA_NORM_AUTO:
return SAA7191_NORM_AUTO;
case VINO_DATA_NORM_AUTO_EXT:
return SAA7191_NORM_AUTO_EXT;
case VINO_DATA_NORM_PAL:
return SAA7191_NORM_PAL;
case VINO_DATA_NORM_NTSC:
......@@ -2297,6 +2514,57 @@ static int vino_get_saa7191_norm(int norm)
}
}
static int vino_get_from_saa7191_norm(int saa7191_norm)
{
switch (saa7191_norm) {
case SAA7191_NORM_PAL:
return VINO_DATA_NORM_PAL;
case SAA7191_NORM_NTSC:
return VINO_DATA_NORM_NTSC;
case SAA7191_NORM_SECAM:
return VINO_DATA_NORM_SECAM;
default:
printk(KERN_ERR "VINO: vino_get_from_saa7191_norm(): "
"invalid norm!\n");
return VINO_DATA_NORM_NONE;
}
}
static int vino_saa7191_set_norm(unsigned int *data_norm)
{
int saa7191_norm, new_data_norm;
int err = 0;
saa7191_norm = vino_get_saa7191_norm(*data_norm);
err = i2c_decoder_command(DECODER_SAA7191_SET_NORM,
&saa7191_norm);
if (err)
goto out;
if ((*data_norm == VINO_DATA_NORM_AUTO)
|| (*data_norm == VINO_DATA_NORM_AUTO_EXT)) {
struct saa7191_status status;
err = i2c_decoder_command(DECODER_SAA7191_GET_STATUS,
&status);
if (err)
goto out;
new_data_norm =
vino_get_from_saa7191_norm(status.norm);
if (new_data_norm == VINO_DATA_NORM_NONE) {
err = -EINVAL;
goto out;
}
*data_norm = (unsigned int)new_data_norm;
}
out:
return err;
}
/* execute with input_lock locked */
static int vino_is_input_owner(struct vino_channel_settings *vcs)
{
......@@ -2313,11 +2581,12 @@ static int vino_is_input_owner(struct vino_channel_settings *vcs)
static int vino_acquire_input(struct vino_channel_settings *vcs)
{
unsigned long flags;
int ret = 0;
dprintk("vino_acquire_input():\n");
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
/* First try D1 and then SAA7191 */
if (vino_drvdata->camera.driver
......@@ -2332,23 +2601,48 @@ static int vino_acquire_input(struct vino_channel_settings *vcs)
vcs->data_norm = VINO_DATA_NORM_D1;
} else if (vino_drvdata->decoder.driver
&& (vino_drvdata->decoder.owner == VINO_NO_CHANNEL)) {
int input, data_norm;
int saa7191_input;
int saa7191_norm;
if (i2c_use_client(vino_drvdata->decoder.driver)) {
ret = -ENODEV;
goto out;
}
vino_drvdata->decoder.owner = vcs->channel;
vcs->input = VINO_INPUT_COMPOSITE;
vcs->data_norm = VINO_DATA_NORM_PAL;
input = VINO_INPUT_COMPOSITE;
saa7191_input = vino_get_saa7191_input(input);
ret = i2c_decoder_command(DECODER_SET_INPUT,
&saa7191_input);
if (ret) {
ret = -EINVAL;
goto out;
}
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
saa7191_input = vino_get_saa7191_input(vcs->input);
i2c_decoder_command(DECODER_SET_INPUT, &saa7191_input);
/* Don't hold spinlocks while auto-detecting norm
* as it may take a while... */
saa7191_norm = vino_get_saa7191_norm(vcs->data_norm);
i2c_decoder_command(DECODER_SAA7191_SET_NORM, &saa7191_norm);
data_norm = VINO_DATA_NORM_AUTO_EXT;
ret = vino_saa7191_set_norm(&data_norm);
if ((ret == -EBUSY) || (ret == -EAGAIN)) {
data_norm = VINO_DATA_NORM_PAL;
ret = vino_saa7191_set_norm(&data_norm);
}
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (ret) {
ret = -EINVAL;
goto out;
}
vino_drvdata->decoder.owner = vcs->channel;
vcs->input = input;
vcs->data_norm = data_norm;
} else {
vcs->input = (vcs->channel == VINO_CHANNEL_A) ?
vino_drvdata->b.input : vino_drvdata->a.input;
......@@ -2361,15 +2655,14 @@ static int vino_acquire_input(struct vino_channel_settings *vcs)
goto out;
}
if (vino_is_input_owner(vcs)) {
vino_set_default_clipping(vcs);
vino_set_default_framerate(vcs);
}
vino_set_default_clipping(vcs);
vino_set_default_scaling(vcs);
vino_set_default_framerate(vcs);
dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name);
out:
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return ret;
}
......@@ -2378,16 +2671,17 @@ static int vino_set_input(struct vino_channel_settings *vcs, int input)
{
struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ?
&vino_drvdata->b : &vino_drvdata->a;
unsigned long flags;
int ret = 0;
dprintk("vino_set_input():\n");
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (vcs->input == input)
goto out;
switch(input) {
switch (input) {
case VINO_INPUT_COMPOSITE:
case VINO_INPUT_SVIDEO:
if (!vino_drvdata->decoder.driver) {
......@@ -2404,19 +2698,43 @@ static int vino_set_input(struct vino_channel_settings *vcs, int input)
}
if (vino_drvdata->decoder.owner == vcs->channel) {
int data_norm;
int saa7191_input;
int saa7191_norm;
vcs->input = input;
vcs->data_norm = VINO_DATA_NORM_PAL;
saa7191_input = vino_get_saa7191_input(input);
ret = i2c_decoder_command(DECODER_SET_INPUT,
&saa7191_input);
if (ret) {
vino_drvdata->decoder.owner = VINO_NO_CHANNEL;
ret = -EINVAL;
goto out;
}
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
/* Don't hold spinlocks while auto-detecting norm
* as it may take a while... */
data_norm = VINO_DATA_NORM_AUTO_EXT;
ret = vino_saa7191_set_norm(&data_norm);
if ((ret == -EBUSY) || (ret == -EAGAIN)) {
data_norm = VINO_DATA_NORM_PAL;
ret = vino_saa7191_set_norm(&data_norm);
}
saa7191_input = vino_get_saa7191_input(vcs->input);
i2c_decoder_command(DECODER_SET_INPUT, &saa7191_input);
saa7191_norm = vino_get_saa7191_norm(vcs->data_norm);
i2c_decoder_command(DECODER_SAA7191_SET_NORM,
&saa7191_norm);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (ret) {
vino_drvdata->decoder.owner = VINO_NO_CHANNEL;
ret = -EINVAL;
goto out;
}
vcs->input = input;
vcs->data_norm = data_norm;
} else {
if (vcs2->input != input) {
if (input != vcs2->input) {
ret = -EBUSY;
goto out;
}
......@@ -2471,12 +2789,13 @@ static int vino_set_input(struct vino_channel_settings *vcs, int input)
}
vino_set_default_clipping(vcs);
vino_set_default_scaling(vcs);
vino_set_default_framerate(vcs);
dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name);
out:
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return ret;
}
......@@ -2485,10 +2804,11 @@ static void vino_release_input(struct vino_channel_settings *vcs)
{
struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ?
&vino_drvdata->b : &vino_drvdata->a;
unsigned long flags;
dprintk("vino_release_input():\n");
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
/* Release ownership of the channel
* and if the other channel takes input from
......@@ -2511,34 +2831,61 @@ static void vino_release_input(struct vino_channel_settings *vcs)
}
vcs->input = VINO_INPUT_NONE;
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
}
/* execute with input_lock locked */
static int vino_set_data_norm(struct vino_channel_settings *vcs,
unsigned int data_norm)
unsigned int data_norm,
unsigned long *flags)
{
int saa7191_norm;
int err = 0;
if (data_norm == vcs->data_norm)
return 0;
switch (vcs->input) {
case VINO_INPUT_D1:
/* only one "norm" supported */
if (data_norm != VINO_DATA_NORM_D1)
if ((data_norm != VINO_DATA_NORM_D1)
&& (data_norm != VINO_DATA_NORM_AUTO)
&& (data_norm != VINO_DATA_NORM_AUTO_EXT))
return -EINVAL;
break;
case VINO_INPUT_COMPOSITE:
case VINO_INPUT_SVIDEO:
case VINO_INPUT_SVIDEO: {
if ((data_norm != VINO_DATA_NORM_PAL)
&& (data_norm != VINO_DATA_NORM_NTSC)
&& (data_norm != VINO_DATA_NORM_SECAM)
&& (data_norm != VINO_DATA_NORM_AUTO)
&& (data_norm != VINO_DATA_NORM_AUTO_EXT))
return -EINVAL;
saa7191_norm = vino_get_saa7191_norm(data_norm);
spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags);
/* Don't hold spinlocks while setting norm
* as it may take a while... */
err = vino_saa7191_set_norm(&data_norm);
spin_lock_irqsave(&vino_drvdata->input_lock, *flags);
if (err)
goto out;
i2c_decoder_command(DECODER_SAA7191_SET_NORM, &saa7191_norm);
vcs->data_norm = data_norm;
vino_set_default_clipping(vcs);
vino_set_default_scaling(vcs);
vino_set_default_framerate(vcs);
break;
}
default:
return -EINVAL;
}
return 0;
out:
return err;
}
/* V4L2 helper functions */
......@@ -2558,8 +2905,9 @@ static int vino_find_data_format(__u32 pixelformat)
static int vino_enum_data_norm(struct vino_channel_settings *vcs, __u32 index)
{
int data_norm = VINO_DATA_NORM_NONE;
unsigned long flags;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
switch(vcs->input) {
case VINO_INPUT_COMPOSITE:
case VINO_INPUT_SVIDEO:
......@@ -2577,7 +2925,7 @@ static int vino_enum_data_norm(struct vino_channel_settings *vcs, __u32 index)
}
break;
}
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return data_norm;
}
......@@ -2585,8 +2933,9 @@ static int vino_enum_data_norm(struct vino_channel_settings *vcs, __u32 index)
static int vino_enum_input(struct vino_channel_settings *vcs, __u32 index)
{
int input = VINO_INPUT_NONE;
unsigned long flags;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (vino_drvdata->decoder.driver && vino_drvdata->camera.driver) {
switch (index) {
case 0:
......@@ -2615,7 +2964,7 @@ static int vino_enum_input(struct vino_channel_settings *vcs, __u32 index)
break;
}
}
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return input;
}
......@@ -2704,15 +3053,16 @@ static int vino_v4l2_enuminput(struct vino_channel_settings *vcs,
}
static int vino_v4l2_g_input(struct vino_channel_settings *vcs,
struct v4l2_input *i)
unsigned int *i)
{
__u32 index;
int input;
unsigned long flags;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
input = vcs->input;
index = vino_find_input_index(vcs);
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
dprintk("input = %d\n", input);
......@@ -2720,23 +3070,18 @@ static int vino_v4l2_g_input(struct vino_channel_settings *vcs,
return -EINVAL;
}
memset(i, 0, sizeof(struct v4l2_input));
i->index = index;
i->type = V4L2_INPUT_TYPE_CAMERA;
i->std = vino_inputs[input].std;
strcpy(i->name, vino_inputs[input].name);
*i = index;
return 0;
}
static int vino_v4l2_s_input(struct vino_channel_settings *vcs,
struct v4l2_input *i)
unsigned int *i)
{
int input;
dprintk("requested input = %d\n", i->index);
dprintk("requested input = %d\n", *i);
input = vino_enum_input(vcs, i->index);
input = vino_enum_input(vcs, *i);
if (input == VINO_INPUT_NONE)
return -EINVAL;
......@@ -2747,7 +3092,9 @@ static int vino_v4l2_enumstd(struct vino_channel_settings *vcs,
struct v4l2_standard *s)
{
int index = s->index;
int data_norm = vino_enum_data_norm(vcs, index);
int data_norm;
data_norm = vino_enum_data_norm(vcs, index);
dprintk("standard index = %d\n", index);
if (data_norm == VINO_DATA_NORM_NONE)
......@@ -2771,13 +3118,55 @@ static int vino_v4l2_enumstd(struct vino_channel_settings *vcs,
return 0;
}
static int vino_v4l2_querystd(struct vino_channel_settings *vcs,
v4l2_std_id *std)
{
unsigned long flags;
int err = 0;
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
switch (vcs->input) {
case VINO_INPUT_D1:
*std = vino_inputs[vcs->input].std;
break;
case VINO_INPUT_COMPOSITE:
case VINO_INPUT_SVIDEO: {
struct saa7191_status status;
i2c_decoder_command(DECODER_SAA7191_GET_STATUS, &status);
if (status.signal) {
if (status.signal_60hz) {
*std = V4L2_STD_NTSC;
} else {
*std = V4L2_STD_PAL | V4L2_STD_SECAM;
}
} else {
*std = vino_inputs[vcs->input].std;
}
break;
}
default:
err = -EINVAL;
}
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return err;
}
static int vino_v4l2_g_std(struct vino_channel_settings *vcs,
v4l2_std_id *std)
{
spin_lock(&vino_drvdata->input_lock);
dprintk("current standard = %d\n", vcs->data_norm);
unsigned long flags;
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
*std = vino_data_norms[vcs->data_norm].std;
spin_unlock(&vino_drvdata->input_lock);
dprintk("current standard = %d\n", vcs->data_norm);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return 0;
}
......@@ -2785,13 +3174,18 @@ static int vino_v4l2_g_std(struct vino_channel_settings *vcs,
static int vino_v4l2_s_std(struct vino_channel_settings *vcs,
v4l2_std_id *std)
{
unsigned long flags;
int ret = 0;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (!vino_is_input_owner(vcs)) {
ret = -EBUSY;
goto out;
}
/* check if the standard is valid for the current input */
if (vino_is_input_owner(vcs)
&& (vino_inputs[vcs->input].std & (*std))) {
if ((*std) & vino_inputs[vcs->input].std) {
dprintk("standard accepted\n");
/* change the video norm for SAA7191
......@@ -2800,24 +3194,33 @@ static int vino_v4l2_s_std(struct vino_channel_settings *vcs,
if (vcs->input == VINO_INPUT_D1)
goto out;
if ((*std) & V4L2_STD_PAL) {
vino_set_data_norm(vcs, VINO_DATA_NORM_PAL);
vcs->data_norm = VINO_DATA_NORM_PAL;
if (((*std) & V4L2_STD_PAL)
&& ((*std) & V4L2_STD_NTSC)
&& ((*std) & V4L2_STD_SECAM)) {
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_AUTO_EXT,
&flags);
} else if ((*std) & V4L2_STD_PAL) {
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL,
&flags);
} else if ((*std) & V4L2_STD_NTSC) {
vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC);
vcs->data_norm = VINO_DATA_NORM_NTSC;
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC,
&flags);
} else if ((*std) & V4L2_STD_SECAM) {
vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM);
vcs->data_norm = VINO_DATA_NORM_SECAM;
ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM,
&flags);
} else {
ret = -EINVAL;
}
if (ret) {
ret = -EINVAL;
}
} else {
ret = -EINVAL;
}
out:
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return ret;
}
......@@ -2855,6 +3258,7 @@ static int vino_v4l2_try_fmt(struct vino_channel_settings *vcs,
struct v4l2_format *f)
{
struct vino_channel_settings tempvcs;
unsigned long flags;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
......@@ -2863,13 +3267,13 @@ static int vino_v4l2_try_fmt(struct vino_channel_settings *vcs,
dprintk("requested: w = %d, h = %d\n",
pf->width, pf->height);
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings));
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
tempvcs.data_format = vino_find_data_format(pf->pixelformat);
if (tempvcs.data_format == VINO_DATA_FMT_NONE) {
tempvcs.data_format = VINO_DATA_FMT_RGB32;
tempvcs.data_format = VINO_DATA_FMT_GREY;
pf->pixelformat =
vino_data_formats[tempvcs.data_format].
pixelformat;
......@@ -2908,10 +3312,13 @@ static int vino_v4l2_try_fmt(struct vino_channel_settings *vcs,
static int vino_v4l2_g_fmt(struct vino_channel_settings *vcs,
struct v4l2_format *f)
{
unsigned long flags;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
struct v4l2_pix_format *pf = &f->fmt.pix;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
pf->width = (vcs->clipping.right - vcs->clipping.left) /
vcs->decimation;
......@@ -2930,7 +3337,7 @@ static int vino_v4l2_g_fmt(struct vino_channel_settings *vcs,
pf->priv = 0;
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
break;
}
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
......@@ -2945,20 +3352,18 @@ static int vino_v4l2_s_fmt(struct vino_channel_settings *vcs,
struct v4l2_format *f)
{
int data_format;
unsigned long flags;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
struct v4l2_pix_format *pf = &f->fmt.pix;
spin_lock(&vino_drvdata->input_lock);
if (!vino_is_input_owner(vcs)) {
spin_unlock(&vino_drvdata->input_lock);
return -EINVAL;
}
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
data_format = vino_find_data_format(pf->pixelformat);
if (data_format == VINO_DATA_FMT_NONE) {
vcs->data_format = VINO_DATA_FMT_RGB32;
vcs->data_format = VINO_DATA_FMT_GREY;
pf->pixelformat =
vino_data_formats[vcs->data_format].
pixelformat;
......@@ -2985,7 +3390,7 @@ static int vino_v4l2_s_fmt(struct vino_channel_settings *vcs,
pf->priv = 0;
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
break;
}
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
......@@ -3000,12 +3405,15 @@ static int vino_v4l2_cropcap(struct vino_channel_settings *vcs,
struct v4l2_cropcap *ccap)
{
const struct vino_data_norm *norm;
unsigned long flags;
switch (ccap->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
norm = &vino_data_norms[vcs->data_norm];
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
ccap->bounds.left = 0;
ccap->bounds.top = 0;
......@@ -3028,16 +3436,18 @@ static int vino_v4l2_cropcap(struct vino_channel_settings *vcs,
static int vino_v4l2_g_crop(struct vino_channel_settings *vcs,
struct v4l2_crop *c)
{
unsigned long flags;
switch (c->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
c->c.left = vcs->clipping.left;
c->c.top = vcs->clipping.top;
c->c.width = vcs->clipping.right - vcs->clipping.left;
c->c.height = vcs->clipping.bottom - vcs->clipping.top;
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
default:
......@@ -3050,18 +3460,16 @@ static int vino_v4l2_g_crop(struct vino_channel_settings *vcs,
static int vino_v4l2_s_crop(struct vino_channel_settings *vcs,
struct v4l2_crop *c)
{
unsigned long flags;
switch (c->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (!vino_is_input_owner(vcs)) {
spin_unlock(&vino_drvdata->input_lock);
return -EINVAL;
}
vino_set_clipping(vcs, c->c.left, c->c.top,
c->c.width, c->c.height);
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
default:
......@@ -3074,6 +3482,8 @@ static int vino_v4l2_s_crop(struct vino_channel_settings *vcs,
static int vino_v4l2_g_parm(struct vino_channel_settings *vcs,
struct v4l2_streamparm *sp)
{
unsigned long flags;
switch (sp->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
struct v4l2_captureparm *cp = &sp->parm.capture;
......@@ -3082,9 +3492,11 @@ static int vino_v4l2_g_parm(struct vino_channel_settings *vcs,
cp->capability = V4L2_CAP_TIMEPERFRAME;
cp->timeperframe.numerator = 1;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
cp->timeperframe.denominator = vcs->fps;
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
// TODO: cp->readbuffers = xxx;
break;
......@@ -3100,15 +3512,13 @@ static int vino_v4l2_g_parm(struct vino_channel_settings *vcs,
static int vino_v4l2_s_parm(struct vino_channel_settings *vcs,
struct v4l2_streamparm *sp)
{
unsigned long flags;
switch (sp->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
struct v4l2_captureparm *cp = &sp->parm.capture;
spin_lock(&vino_drvdata->input_lock);
if (!vino_is_input_owner(vcs)) {
spin_unlock(&vino_drvdata->input_lock);
return -EINVAL;
}
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if ((cp->timeperframe.numerator == 0) ||
(cp->timeperframe.denominator == 0)) {
......@@ -3118,7 +3528,8 @@ static int vino_v4l2_s_parm(struct vino_channel_settings *vcs,
vino_set_framerate(vcs, cp->timeperframe.denominator /
cp->timeperframe.numerator);
}
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
// TODO: set buffers according to cp->readbuffers
break;
......@@ -3145,21 +3556,23 @@ static int vino_v4l2_reqbufs(struct vino_channel_settings *vcs,
return -EINVAL;
}
if (vino_is_capturing(vcs)) {
dprintk("busy, capturing\n");
return -EBUSY;
}
dprintk("count = %d\n", rb->count);
if (rb->count > 0) {
if (vino_is_capturing(vcs)) {
dprintk("busy, capturing\n");
return -EBUSY;
}
if (vino_queue_has_mapped_buffers(&vcs->fb_queue)) {
dprintk("busy, buffers still mapped\n");
return -EBUSY;
} else {
vcs->streaming = 0;
vino_queue_free(&vcs->fb_queue);
vino_queue_init(&vcs->fb_queue, &rb->count);
}
} else {
vcs->streaming = 0;
vino_capture_stop(vcs);
vino_queue_free(&vcs->fb_queue);
}
......@@ -3302,12 +3715,12 @@ static int vino_v4l2_dqbuf(struct vino_channel_settings *vcs,
err = vino_queue_get_incoming(&vcs->fb_queue, &incoming);
if (err) {
dprintk("vino_queue_get_incoming() failed\n");
return -EIO;
return -EINVAL;
}
err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing);
if (err) {
dprintk("vino_queue_get_outgoing() failed\n");
return -EIO;
return -EINVAL;
}
dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing);
......@@ -3327,8 +3740,10 @@ static int vino_v4l2_dqbuf(struct vino_channel_settings *vcs,
if (err) {
err = vino_wait_for_frame(vcs);
if (err) {
/* interrupted */
vino_capture_failed(vcs);
/* interrupted or
* no frames captured because
* of frame skipping */
// vino_capture_failed(vcs);
return -EIO;
}
}
......@@ -3341,10 +3756,12 @@ static int vino_v4l2_dqbuf(struct vino_channel_settings *vcs,
}
err = vino_check_buffer(vcs, fb);
vino_v4l2_get_buffer_status(vcs, fb, b);
if (err)
return -EIO;
vino_v4l2_get_buffer_status(vcs, fb, b);
break;
}
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
......@@ -3401,8 +3818,8 @@ static int vino_v4l2_streamoff(struct vino_channel_settings *vcs)
if (!vcs->streaming)
return 0;
vino_capture_stop(vcs);
vcs->streaming = 0;
vino_capture_stop(vcs);
return 0;
}
......@@ -3410,10 +3827,11 @@ static int vino_v4l2_streamoff(struct vino_channel_settings *vcs)
static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs,
struct v4l2_queryctrl *queryctrl)
{
unsigned long flags;
int i;
int err = 0;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
switch (vcs->input) {
case VINO_INPUT_D1:
......@@ -3423,6 +3841,7 @@ static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs,
memcpy(queryctrl,
&vino_indycam_v4l2_controls[i],
sizeof(struct v4l2_queryctrl));
queryctrl->reserved[0] = 0;
goto found;
}
}
......@@ -3437,6 +3856,7 @@ static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs,
memcpy(queryctrl,
&vino_saa7191_v4l2_controls[i],
sizeof(struct v4l2_queryctrl));
queryctrl->reserved[0] = 0;
goto found;
}
}
......@@ -3448,7 +3868,7 @@ static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs,
}
found:
spin_unlock(&vino_drvdata->input_lock);
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return err;
}
......@@ -3456,70 +3876,72 @@ static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs,
static int vino_v4l2_g_ctrl(struct vino_channel_settings *vcs,
struct v4l2_control *control)
{
struct indycam_control indycam_ctrl;
struct saa7191_control saa7191_ctrl;
unsigned long flags;
int i;
int err = 0;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
switch (vcs->input) {
case VINO_INPUT_D1:
i2c_camera_command(DECODER_INDYCAM_GET_CONTROLS,
&indycam_ctrl);
case VINO_INPUT_D1: {
struct indycam_control indycam_ctrl;
switch(control->id) {
case V4L2_CID_AUTOGAIN:
control->value = indycam_ctrl.agc;
break;
case V4L2_CID_AUTO_WHITE_BALANCE:
control->value = indycam_ctrl.awb;
break;
case V4L2_CID_GAIN:
control->value = indycam_ctrl.gain;
break;
case V4L2_CID_PRIVATE_BASE:
control->value = indycam_ctrl.red_saturation;
break;
case V4L2_CID_PRIVATE_BASE + 1:
control->value = indycam_ctrl.blue_saturation;
break;
case V4L2_CID_RED_BALANCE:
control->value = indycam_ctrl.red_balance;
break;
case V4L2_CID_BLUE_BALANCE:
control->value = indycam_ctrl.blue_balance;
break;
case V4L2_CID_EXPOSURE:
control->value = indycam_ctrl.shutter;
break;
case V4L2_CID_GAMMA:
control->value = indycam_ctrl.gamma;
break;
default:
for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) {
if (vino_indycam_v4l2_controls[i].id ==
control->id) {
goto found1;
}
}
err = -EINVAL;
goto out;
found1:
indycam_ctrl.type = vino_indycam_v4l2_controls[i].reserved[0];
err = i2c_camera_command(DECODER_INDYCAM_GET_CONTROL,
&indycam_ctrl);
if (err) {
err = -EINVAL;
goto out;
}
control->value = indycam_ctrl.value;
break;
}
case VINO_INPUT_COMPOSITE:
case VINO_INPUT_SVIDEO:
i2c_decoder_command(DECODER_SAA7191_GET_CONTROLS,
&saa7191_ctrl);
case VINO_INPUT_SVIDEO: {
struct saa7191_control saa7191_ctrl;
switch(control->id) {
case V4L2_CID_HUE:
control->value = saa7191_ctrl.hue;
break;
case V4L2_CID_PRIVATE_BASE:
control->value = saa7191_ctrl.vtrc;
break;
default:
for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) {
if (vino_saa7191_v4l2_controls[i].id ==
control->id) {
goto found2;
}
}
err = -EINVAL;
goto out;
found2:
saa7191_ctrl.type = vino_saa7191_v4l2_controls[i].reserved[0];
err = i2c_decoder_command(DECODER_SAA7191_GET_CONTROL,
&saa7191_ctrl);
if (err) {
err = -EINVAL;
goto out;
}
control->value = saa7191_ctrl.value;
break;
}
default:
err = -EINVAL;
}
spin_unlock(&vino_drvdata->input_lock);
out:
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return err;
}
......@@ -3527,15 +3949,21 @@ static int vino_v4l2_g_ctrl(struct vino_channel_settings *vcs,
static int vino_v4l2_s_ctrl(struct vino_channel_settings *vcs,
struct v4l2_control *control)
{
struct indycam_control indycam_ctrl;
struct saa7191_control saa7191_ctrl;
unsigned long flags;
int i;
int err = 0;
spin_lock(&vino_drvdata->input_lock);
spin_lock_irqsave(&vino_drvdata->input_lock, flags);
if (!vino_is_input_owner(vcs)) {
err = -EBUSY;
goto out;
}
switch (vcs->input) {
case VINO_INPUT_D1:
case VINO_INPUT_D1: {
struct indycam_control indycam_ctrl;
for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) {
if (vino_indycam_v4l2_controls[i].id ==
control->id) {
......@@ -3544,65 +3972,31 @@ static int vino_v4l2_s_ctrl(struct vino_channel_settings *vcs,
&& (control->value <=
vino_indycam_v4l2_controls[i].
maximum)) {
goto ok1;
goto found1;
} else {
err = -ERANGE;
goto error;
goto out;
}
}
}
err = -EINVAL;
goto error;
goto out;
ok1:
indycam_ctrl.agc = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.awb = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.shutter = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.gain = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.red_balance = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.blue_balance = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.red_saturation = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.blue_saturation = INDYCAM_VALUE_UNCHANGED;
indycam_ctrl.gamma = INDYCAM_VALUE_UNCHANGED;
switch(control->id) {
case V4L2_CID_AUTOGAIN:
indycam_ctrl.agc = control->value;
break;
case V4L2_CID_AUTO_WHITE_BALANCE:
indycam_ctrl.awb = control->value;
break;
case V4L2_CID_GAIN:
indycam_ctrl.gain = control->value;
break;
case V4L2_CID_PRIVATE_BASE:
indycam_ctrl.red_saturation = control->value;
break;
case V4L2_CID_PRIVATE_BASE + 1:
indycam_ctrl.blue_saturation = control->value;
break;
case V4L2_CID_RED_BALANCE:
indycam_ctrl.red_balance = control->value;
break;
case V4L2_CID_BLUE_BALANCE:
indycam_ctrl.blue_balance = control->value;
break;
case V4L2_CID_EXPOSURE:
indycam_ctrl.shutter = control->value;
break;
case V4L2_CID_GAMMA:
indycam_ctrl.gamma = control->value;
break;
default:
err = -EINVAL;
}
found1:
indycam_ctrl.type = vino_indycam_v4l2_controls[i].reserved[0];
indycam_ctrl.value = control->value;
if (!err)
i2c_camera_command(DECODER_INDYCAM_SET_CONTROLS,
&indycam_ctrl);
err = i2c_camera_command(DECODER_INDYCAM_SET_CONTROL,
&indycam_ctrl);
if (err)
err = -EINVAL;
break;
}
case VINO_INPUT_COMPOSITE:
case VINO_INPUT_SVIDEO:
case VINO_INPUT_SVIDEO: {
struct saa7191_control saa7191_ctrl;
for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) {
if (vino_saa7191_v4l2_controls[i].id ==
control->id) {
......@@ -3611,41 +4005,32 @@ static int vino_v4l2_s_ctrl(struct vino_channel_settings *vcs,
&& (control->value <=
vino_saa7191_v4l2_controls[i].
maximum)) {
goto ok2;
goto found2;
} else {
err = -ERANGE;
goto error;
goto out;
}
}
}
err = -EINVAL;
goto error;
ok2:
saa7191_ctrl.hue = SAA7191_VALUE_UNCHANGED;
saa7191_ctrl.vtrc = SAA7191_VALUE_UNCHANGED;
goto out;
switch(control->id) {
case V4L2_CID_HUE:
saa7191_ctrl.hue = control->value;
break;
case V4L2_CID_PRIVATE_BASE:
saa7191_ctrl.vtrc = control->value;
break;
default:
err = -EINVAL;
}
found2:
saa7191_ctrl.type = vino_saa7191_v4l2_controls[i].reserved[0];
saa7191_ctrl.value = control->value;
if (!err)
i2c_decoder_command(DECODER_SAA7191_SET_CONTROLS,
&saa7191_ctrl);
err = i2c_decoder_command(DECODER_SAA7191_SET_CONTROL,
&saa7191_ctrl);
if (err)
err = -EINVAL;
break;
}
default:
err = -EINVAL;
}
error:
spin_unlock(&vino_drvdata->input_lock);
out:
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return err;
}
......@@ -3865,9 +4250,9 @@ static unsigned int vino_poll(struct file *file, poll_table *pt)
over:
dprintk("poll(): data %savailable\n",
(outgoing > 0) ? "" : "not ");
if (outgoing > 0) {
if (outgoing > 0)
ret = POLLIN | POLLRDNORM;
}
error:
......@@ -3880,6 +4265,7 @@ static int vino_do_ioctl(struct inode *inode, struct file *file,
struct video_device *dev = video_devdata(file);
struct vino_channel_settings *vcs = video_get_drvdata(dev);
#ifdef VINO_DEBUG
switch (_IOC_TYPE(cmd)) {
case 'v':
dprintk("ioctl(): V4L1 unsupported (0x%08x)\n", cmd);
......@@ -3891,9 +4277,9 @@ static int vino_do_ioctl(struct inode *inode, struct file *file,
default:
dprintk("ioctl(): unsupported command 0x%08x\n", cmd);
}
#endif
switch (cmd) {
/* TODO: V4L1 interface (use compatibility layer?) */
/* V4L2 interface */
case VIDIOC_QUERYCAP: {
vino_v4l2_querycap(arg);
......@@ -3911,6 +4297,9 @@ static int vino_do_ioctl(struct inode *inode, struct file *file,
case VIDIOC_ENUMSTD: {
return vino_v4l2_enumstd(vcs, arg);
}
case VIDIOC_QUERYSTD: {
return vino_v4l2_querystd(vcs, arg);
}
case VIDIOC_G_STD: {
return vino_v4l2_g_std(vcs, arg);
}
......@@ -4100,8 +4489,7 @@ static int vino_probe(void)
return -ENODEV;
}
printk(KERN_INFO "VINO with chip ID %ld, revision %ld found\n",
VINO_ID_VALUE(rev_id), VINO_REV_NUM(rev_id));
printk(KERN_INFO "VINO revision %ld found\n", VINO_REV_NUM(rev_id));
return 0;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7