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-rw-r--r--drivers/media/dvb/bt8xx/Kconfig6
-rw-r--r--drivers/media/dvb/frontends/lgdt330x.c50
-rw-r--r--drivers/media/video/Makefile2
-rw-r--r--drivers/media/video/adv7170.c1
-rw-r--r--drivers/media/video/adv7175.c1
-rw-r--r--drivers/media/video/bt819.c1
-rw-r--r--drivers/media/video/bt856.c1
-rw-r--r--drivers/media/video/indycam.c412
-rw-r--r--drivers/media/video/indycam.h112
-rw-r--r--drivers/media/video/meye.c3
-rw-r--r--drivers/media/video/saa7111.c1
-rw-r--r--drivers/media/video/saa7114.c1
-rw-r--r--drivers/media/video/saa7185.c1
-rw-r--r--drivers/media/video/saa7191.c512
-rw-r--r--drivers/media/video/saa7191.h139
-rw-r--r--drivers/media/video/vino.c4273
-rw-r--r--drivers/media/video/vino.h61
17 files changed, 5349 insertions, 228 deletions
diff --git a/drivers/media/dvb/bt8xx/Kconfig b/drivers/media/dvb/bt8xx/Kconfig
index b12545f093f..1e85d16491b 100644
--- a/drivers/media/dvb/bt8xx/Kconfig
+++ b/drivers/media/dvb/bt8xx/Kconfig
@@ -1,5 +1,5 @@
config DVB_BT8XX
- tristate "Nebula/Pinnacle PCTV/Twinhan PCI cards"
+ tristate "BT8xx based PCI cards"
depends on DVB_CORE && PCI && VIDEO_BT848
select DVB_MT352
select DVB_SP887X
@@ -8,8 +8,8 @@ config DVB_BT8XX
select DVB_OR51211
help
Support for PCI cards based on the Bt8xx PCI bridge. Examples are
- the Nebula cards, the Pinnacle PCTV cards, the Twinhan DST cards and
- pcHDTV HD2000 cards.
+ the Nebula cards, the Pinnacle PCTV cards, the Twinhan DST cards,
+ the pcHDTV HD2000 cards, and certain AVerMedia cards.
Since these cards have no MPEG decoder onboard, they transmit
only compressed MPEG data over the PCI bus, so you need
diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index 1f1cd7a8d50..7142b9c51dd 100644
--- a/drivers/media/dvb/frontends/lgdt330x.c
+++ b/drivers/media/dvb/frontends/lgdt330x.c
@@ -69,8 +69,8 @@ struct lgdt330x_state
};
static int i2c_write_demod_bytes (struct lgdt330x_state* state,
- u8 *buf, /* data bytes to send */
- int len /* number of bytes to send */ )
+ u8 *buf, /* data bytes to send */
+ int len /* number of bytes to send */ )
{
struct i2c_msg msg =
{ .addr = state->config->demod_address,
@@ -129,13 +129,13 @@ static int lgdt3302_SwReset(struct lgdt330x_state* state)
};
ret = i2c_write_demod_bytes(state,
- reset, sizeof(reset));
+ reset, sizeof(reset));
if (ret == 0) {
/* force reset high (inactive) and unmask interrupts */
reset[1] = 0x7f;
ret = i2c_write_demod_bytes(state,
- reset, sizeof(reset));
+ reset, sizeof(reset));
}
return ret;
}
@@ -149,13 +149,13 @@ static int lgdt3303_SwReset(struct lgdt330x_state* state)
};
ret = i2c_write_demod_bytes(state,
- reset, sizeof(reset));
+ reset, sizeof(reset));
if (ret == 0) {
/* force reset high (inactive) */
reset[1] = 0x01;
ret = i2c_write_demod_bytes(state,
- reset, sizeof(reset));
+ reset, sizeof(reset));
}
return ret;
}
@@ -172,7 +172,6 @@ static int lgdt330x_SwReset(struct lgdt330x_state* state)
}
}
-
static int lgdt330x_init(struct dvb_frontend* fe)
{
/* Hardware reset is done using gpio[0] of cx23880x chip.
@@ -229,13 +228,13 @@ static int lgdt330x_init(struct dvb_frontend* fe)
case LGDT3302:
chip_name = "LGDT3302";
err = i2c_write_demod_bytes(state, lgdt3302_init_data,
- sizeof(lgdt3302_init_data));
- break;
+ sizeof(lgdt3302_init_data));
+ break;
case LGDT3303:
chip_name = "LGDT3303";
err = i2c_write_demod_bytes(state, lgdt3303_init_data,
- sizeof(lgdt3303_init_data));
- break;
+ sizeof(lgdt3303_init_data));
+ break;
default:
chip_name = "undefined";
printk (KERN_WARNING "Only LGDT3302 and LGDT3303 are supported chips.\n");
@@ -262,15 +261,15 @@ static int lgdt330x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
switch (state->config->demod_chip) {
case LGDT3302:
err = i2c_read_demod_bytes(state, LGDT3302_PACKET_ERR_COUNTER1,
- buf, sizeof(buf));
- break;
+ buf, sizeof(buf));
+ break;
case LGDT3303:
err = i2c_read_demod_bytes(state, LGDT3303_PACKET_ERR_COUNTER1,
- buf, sizeof(buf));
- break;
+ buf, sizeof(buf));
+ break;
default:
printk(KERN_WARNING
- "Only LGDT3302 and LGDT3303 are supported chips.\n");
+ "Only LGDT3302 and LGDT3303 are supported chips.\n");
err = -ENODEV;
}
@@ -330,7 +329,7 @@ static int lgdt330x_set_parameters(struct dvb_frontend* fe,
if (state->config->demod_chip == LGDT3303) {
err = i2c_write_demod_bytes(state, lgdt3303_8vsb_44_data,
- sizeof(lgdt3303_8vsb_44_data));
+ sizeof(lgdt3303_8vsb_44_data));
}
break;
@@ -378,18 +377,19 @@ static int lgdt330x_set_parameters(struct dvb_frontend* fe,
/* Select the requested mode */
i2c_write_demod_bytes(state, top_ctrl_cfg,
- sizeof(top_ctrl_cfg));
- state->config->set_ts_params(fe, 0);
+ sizeof(top_ctrl_cfg));
+ if (state->config->set_ts_params)
+ state->config->set_ts_params(fe, 0);
state->current_modulation = param->u.vsb.modulation;
}
- /* Change only if we are actually changing the channel */
- if (state->current_frequency != param->frequency) {
- /* Tune to the new frequency */
+ /* Tune to the specified frequency */
+ if (state->config->pll_set)
state->config->pll_set(fe, param);
- /* Keep track of the new frequency */
- state->current_frequency = param->frequency;
- }
+
+ /* Keep track of the new frequency */
+ state->current_frequency = param->frequency;
+
lgdt330x_SwReset(state);
return 0;
}
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 810e7aac0a5..3e6f5347da2 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -29,7 +29,7 @@ obj-$(CONFIG_VIDEO_ZORAN_LML33R10) += saa7114.o adv7170.o zr36060.o
obj-$(CONFIG_VIDEO_ZORAN) += zr36067.o videocodec.o
obj-$(CONFIG_VIDEO_PMS) += pms.o
obj-$(CONFIG_VIDEO_PLANB) += planb.o
-obj-$(CONFIG_VIDEO_VINO) += vino.o
+obj-$(CONFIG_VIDEO_VINO) += vino.o saa7191.o indycam.o
obj-$(CONFIG_VIDEO_STRADIS) += stradis.o
obj-$(CONFIG_VIDEO_CPIA) += cpia.o
obj-$(CONFIG_VIDEO_CPIA_PP) += cpia_pp.o
diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c
index 52e32f05d62..1ca2b67aedf 100644
--- a/drivers/media/video/adv7170.c
+++ b/drivers/media/video/adv7170.c
@@ -43,7 +43,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
index b5ed9544bde..173bca1e029 100644
--- a/drivers/media/video/adv7175.c
+++ b/drivers/media/video/adv7175.c
@@ -39,7 +39,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index c6cfa7c48b0..3ee0afca76a 100644
--- a/drivers/media/video/bt819.c
+++ b/drivers/media/video/bt819.c
@@ -43,7 +43,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
index c13d2865886..8eb871d0e85 100644
--- a/drivers/media/video/bt856.c
+++ b/drivers/media/video/bt856.c
@@ -43,7 +43,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c
new file mode 100644
index 00000000000..b2b0384cd4b
--- /dev/null
+++ b/drivers/media/video/indycam.c
@@ -0,0 +1,412 @@
+/*
+ * indycam.c - Silicon Graphics IndyCam digital camera driver
+ *
+ * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
+ * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+
+#include <linux/videodev.h>
+/* IndyCam decodes stream of photons into digital image representation ;-) */
+#include <linux/video_decoder.h>
+#include <linux/i2c.h>
+
+#include "indycam.h"
+
+//#define INDYCAM_DEBUG
+
+#define INDYCAM_MODULE_VERSION "0.0.3"
+
+MODULE_DESCRIPTION("SGI IndyCam driver");
+MODULE_VERSION(INDYCAM_MODULE_VERSION);
+MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
+MODULE_LICENSE("GPL");
+
+#ifdef INDYCAM_DEBUG
+#define dprintk(x...) printk("IndyCam: " x);
+#define indycam_regdump(client) indycam_regdump_debug(client)
+#else
+#define dprintk(x...)
+#define indycam_regdump(client)
+#endif
+
+#define VINO_ADAPTER (I2C_ALGO_SGI | I2C_HW_SGI_VINO)
+
+struct indycam {
+ struct i2c_client *client;
+ int version;
+};
+
+static struct i2c_driver i2c_driver_indycam;
+
+static const unsigned char initseq[] = {
+ INDYCAM_CONTROL_AGCENA, /* INDYCAM_CONTROL */
+ INDYCAM_SHUTTER_DEFAULT, /* INDYCAM_SHUTTER */
+ INDYCAM_GAIN_DEFAULT, /* INDYCAM_GAIN */
+ 0x00, /* INDYCAM_BRIGHTNESS (read-only) */
+ INDYCAM_RED_BALANCE_DEFAULT, /* INDYCAM_RED_BALANCE */
+ INDYCAM_BLUE_BALANCE_DEFAULT, /* INDYCAM_BLUE_BALANCE */
+ INDYCAM_RED_SATURATION_DEFAULT, /* INDYCAM_RED_SATURATION */
+ INDYCAM_BLUE_SATURATION_DEFAULT,/* INDYCAM_BLUE_SATURATION */
+};
+
+/* IndyCam register handling */
+
+static int indycam_read_reg(struct i2c_client *client, unsigned char reg,
+ unsigned char *value)
+{
+ int ret;
+
+ if (reg == INDYCAM_RESET) {
+ dprintk("indycam_read_reg(): "
+ "skipping write-only register %d\n", reg);
+ *value = 0;
+ return 0;
+ }
+
+ 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;
+
+ return 0;
+}
+
+static int indycam_write_reg(struct i2c_client *client, unsigned char reg,
+ unsigned char value)
+{
+ int err;
+
+ if ((reg == INDYCAM_BRIGHTNESS)
+ || (reg == INDYCAM_VERSION)) {
+ dprintk("indycam_write_reg(): "
+ "skipping read-only register %d\n", reg);
+ return 0;
+ }
+
+ 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);
+ }
+ return err;
+}
+
+static int indycam_write_block(struct i2c_client *client, unsigned char reg,
+ unsigned char length, unsigned char *data)
+{
+ unsigned char i;
+ int err;
+
+ for (i = reg; i < length; i++) {
+ err = indycam_write_reg(client, reg + i, data[i]);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Helper functions */
+
+#ifdef INDYCAM_DEBUG
+static void indycam_regdump_debug(struct i2c_client *client)
+{
+ int i;
+ unsigned char val;
+
+ for (i = 0; i < 9; i++) {
+ indycam_read_reg(client, i, &val);
+ dprintk("Reg %d = 0x%02x\n", i, val);
+ }
+}
+#endif
+
+static int indycam_get_controls(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);
+
+ return 0;
+}
+
+static int indycam_set_controls(struct i2c_client *client,
+ struct indycam_control *ctrl)
+{
+ unsigned char ctrl_reg;
+
+ 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;
+ }
+ 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;
+}
+
+/* I2C-interface */
+
+static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
+{
+ int err = 0;
+ struct indycam *camera;
+ struct i2c_client *client;
+
+ printk(KERN_INFO "SGI IndyCam driver version %s\n",
+ INDYCAM_MODULE_VERSION);
+
+ client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (!client)
+ return -ENOMEM;
+ camera = kmalloc(sizeof(struct indycam), GFP_KERNEL);
+ if (!camera) {
+ err = -ENOMEM;
+ goto out_free_client;
+ }
+
+ memset(client, 0, sizeof(struct i2c_client));
+ memset(camera, 0, sizeof(struct indycam));
+
+ client->addr = addr;
+ client->adapter = adap;
+ client->driver = &i2c_driver_indycam;
+ client->flags = 0;
+ strcpy(client->name, "IndyCam client");
+ i2c_set_clientdata(client, camera);
+
+ camera->client = client;
+
+ err = i2c_attach_client(client);
+ if (err)
+ goto out_free_camera;
+
+ camera->version = i2c_smbus_read_byte_data(client, INDYCAM_VERSION);
+ if (camera->version != CAMERA_VERSION_INDY &&
+ camera->version != CAMERA_VERSION_MOOSE) {
+ err = -ENODEV;
+ goto out_detach_client;
+ }
+ printk(KERN_INFO "IndyCam v%d.%d detected\n",
+ INDYCAM_VERSION_MAJOR(camera->version),
+ INDYCAM_VERSION_MINOR(camera->version));
+
+ indycam_regdump(client);
+
+ // initialize
+ err = indycam_write_block(client, 0, sizeof(initseq),
+ (unsigned char *)&initseq);
+ if (err) {
+ printk(KERN_ERR "IndyCam initalization failed\n");
+ err = -EIO;
+ goto out_detach_client;
+ }
+
+ indycam_regdump(client);
+
+ // white balance
+ err = indycam_write_reg(client, INDYCAM_CONTROL,
+ INDYCAM_CONTROL_AGCENA | INDYCAM_CONTROL_AWBCTL);
+ if (err) {
+ printk(KERN_ERR "IndyCam white balance "
+ "initialization failed\n");
+ err = -EIO;
+ goto out_detach_client;
+ }
+
+ indycam_regdump(client);
+
+ printk(KERN_INFO "IndyCam initialized\n");
+
+ return 0;
+
+out_detach_client:
+ i2c_detach_client(client);
+out_free_camera:
+ kfree(camera);
+out_free_client:
+ kfree(client);
+ return err;
+}
+
+static int indycam_probe(struct i2c_adapter *adap)
+{
+ /* Indy specific crap */
+ if (adap->id == VINO_ADAPTER)
+ return indycam_attach(adap, INDYCAM_ADDR, 0);
+ /* Feel free to add probe here :-) */
+ return -ENODEV;
+}
+
+static int indycam_detach(struct i2c_client *client)
+{
+ struct indycam *camera = i2c_get_clientdata(client);
+
+ i2c_detach_client(client);
+ kfree(camera);
+ kfree(client);
+ return 0;
+}
+
+static int indycam_command(struct i2c_client *client, unsigned int cmd,
+ void *arg)
+{
+ // struct indycam *camera = i2c_get_clientdata(client);
+
+ /* The old video_decoder interface just isn't enough,
+ * so we'll use some custom commands. */
+ switch (cmd) {
+ case DECODER_GET_CAPABILITIES: {
+ struct video_decoder_capability *cap = arg;
+
+ cap->flags = VIDEO_DECODER_NTSC;
+ cap->inputs = 1;
+ cap->outputs = 1;
+ break;
+ }
+ case DECODER_GET_STATUS: {
+ int *iarg = arg;
+
+ *iarg = DECODER_STATUS_GOOD | DECODER_STATUS_NTSC |
+ DECODER_STATUS_COLOR;
+ break;
+ }
+ case DECODER_SET_NORM: {
+ int *iarg = arg;
+
+ switch (*iarg) {
+ case VIDEO_MODE_NTSC:
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ }
+ case DECODER_SET_INPUT: {
+ int *iarg = arg;
+
+ if (*iarg != 0)
+ return -EINVAL;
+ break;
+ }
+ case DECODER_SET_OUTPUT: {
+ int *iarg = arg;
+
+ if (*iarg != 0)
+ return -EINVAL;
+ break;
+ }
+ case DECODER_ENABLE_OUTPUT: {
+ /* Always enabled */
+ break;
+ }
+ case DECODER_SET_PICTURE: {
+ // struct video_picture *pic = arg;
+ /* 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_SET_CONTROLS: {
+ struct indycam_control *ctrl = arg;
+ indycam_set_controls(client, ctrl);
+ }
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct i2c_driver i2c_driver_indycam = {
+ .owner = THIS_MODULE,
+ .name = "indycam",
+ .id = I2C_DRIVERID_INDYCAM,
+ .flags = I2C_DF_NOTIFY,
+ .attach_adapter = indycam_probe,
+ .detach_client = indycam_detach,
+ .command = indycam_command,
+};
+
+static int __init indycam_init(void)
+{
+ return i2c_add_driver(&i2c_driver_indycam);
+}
+
+static void __exit indycam_exit(void)
+{
+ i2c_del_driver(&i2c_driver_indycam);
+}
+
+module_init(indycam_init);
+module_exit(indycam_exit);
diff --git a/drivers/media/video/indycam.h b/drivers/media/video/indycam.h
new file mode 100644
index 00000000000..d9ddb6b79a0
--- /dev/null
+++ b/drivers/media/video/indycam.h
@@ -0,0 +1,112 @@
+/*
+ * indycam.h - Silicon Graphics IndyCam digital camera driver
+ *
+ * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
+ * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _INDYCAM_H_
+#define _INDYCAM_H_
+
+/* I2C address for the Guinness Camera */
+#define INDYCAM_ADDR 0x56
+
+/* Camera version */
+#define CAMERA_VERSION_INDY 0x10 /* v1.0 */
+#define CAMERA_VERSION_MOOSE 0x12 /* v1.2 */
+#define INDYCAM_VERSION_MAJOR(x) (((x) & 0xf0) >> 4)
+#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
+
+/* Field definitions of registers */
+#define INDYCAM_CONTROL_AGCENA (1<<0) /* automatic gain control */
+#define INDYCAM_CONTROL_AWBCTL (1<<1) /* automatic white balance */
+ /* 2-3 are reserved */
+#define INDYCAM_CONTROL_EVNFLD (1<<4) /* read-only */
+
+#define INDYCAM_SHUTTER_10000 0x02 /* 1/10000 second */
+#define INDYCAM_SHUTTER_4000 0x04 /* 1/4000 second */
+#define INDYCAM_SHUTTER_2000 0x08 /* 1/2000 second */
+#define INDYCAM_SHUTTER_1000 0x10 /* 1/1000 second */
+#define INDYCAM_SHUTTER_500 0x20 /* 1/500 second */
+#define INDYCAM_SHUTTER_250 0x3f /* 1/250 second */
+#define INDYCAM_SHUTTER_125 0x7e /* 1/125 second */
+#define INDYCAM_SHUTTER_100 0x9e /* 1/100 second */
+#define INDYCAM_SHUTTER_60 0x00 /* 1/60 second */
+
+#define INDYCAM_LED_ACTIVE 0x10
+#define INDYCAM_LED_INACTIVE 0x30
+#define INDYCAM_ORIENTATION_BOTTOM_TO_TOP 0x40
+#define INDYCAM_BUTTON_RELEASED 0x10
+
+#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_BLUE_BALANCE_MAX 0xff
+#define INDYCAM_RED_SATURATION_MIN 0x00
+#define INDYCAM_RED_SATURATION_MAX 0xff
+#define INDYCAM_BLUE_SATURATION_MIN 0x00
+#define INDYCAM_BLUE_SATURATION_MAX 0xff
+#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_GAIN_DEFAULT 0x80
+#define INDYCAM_RED_BALANCE_DEFAULT 0x18
+#define INDYCAM_BLUE_BALANCE_DEFAULT 0xa4
+#define INDYCAM_RED_SATURATION_DEFAULT 0x80
+#define INDYCAM_BLUE_SATURATION_DEFAULT 0xc0
+#define INDYCAM_GAMMA_DEFAULT 0x80
+
+#endif
diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index fe194012bcc..3f2a882bc20 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -37,6 +37,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
+#include <linux/dma-mapping.h>
#include "meye.h"
#include <linux/meye.h>
@@ -121,7 +122,7 @@ static int ptable_alloc(void)
memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable));
/* give only 32 bit DMA addresses */
- if (dma_set_mask(&meye.mchip_dev->dev, 0xffffffff))
+ if (dma_set_mask(&meye.mchip_dev->dev, DMA_32BIT_MASK))
return -1;
meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev,
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
index f18df53d98f..fe8a5e45396 100644
--- a/drivers/media/video/saa7111.c
+++ b/drivers/media/video/saa7111.c
@@ -42,7 +42,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c
index e0c70f54f07..d9f50e2f7b9 100644
--- a/drivers/media/video/saa7114.c
+++ b/drivers/media/video/saa7114.c
@@ -45,7 +45,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c
index e93412f4407..132aa7943c1 100644
--- a/drivers/media/video/saa7185.c
+++ b/drivers/media/video/saa7185.c
@@ -39,7 +39,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
diff --git a/drivers/media/video/saa7191.c b/drivers/media/video/saa7191.c
new file mode 100644
index 00000000000..454f5c1199b
--- /dev/null
+++ b/drivers/media/video/saa7191.c
@@ -0,0 +1,512 @@
+/*
+ * saa7191.c - Philips SAA7191 video decoder driver
+ *
+ * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
+ * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <linux/i2c.h>
+
+#include "saa7191.h"
+
+#define SAA7191_MODULE_VERSION "0.0.3"
+
+MODULE_DESCRIPTION("Philips SAA7191 video decoder driver");
+MODULE_VERSION(SAA7191_MODULE_VERSION);
+MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
+MODULE_LICENSE("GPL");
+
+#define VINO_ADAPTER (I2C_ALGO_SGI | I2C_HW_SGI_VINO)
+
+struct saa7191 {
+ struct i2c_client *client;
+
+ /* the register values are stored here as the actual
+ * I2C-registers are write-only */
+ unsigned char reg[25];
+
+ unsigned char norm;
+ unsigned char input;
+};
+
+static struct i2c_driver i2c_driver_saa7191;
+
+static const unsigned char 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 */
+ 0x00, /* unused */
+ 0x00, /* unused */
+ 0x34, /* SAA7191_REG_HS6B */
+ 0x0a, /* SAA7191_REG_HS6S */
+ 0xf4, /* SAA7191_REG_HC6B */
+ 0xce, /* SAA7191_REG_HC6S */
+ 0xf4, /* SAA7191_REG_HP6I */
+};
+
+/* SAA7191 register handling */
+
+static unsigned char saa7191_read_reg(struct i2c_client *client,
+ unsigned char reg)
+{
+ return ((struct saa7191 *)i2c_get_clientdata(client))->reg[reg];
+}
+
+static int saa7191_read_status(struct i2c_client *client,
+ unsigned char *value)
+{
+ int ret;
+
+ ret = i2c_master_recv(client, value, 1);
+ if (ret < 0) {
+ printk(KERN_ERR "SAA7191: saa7191_read_status(): read failed");
+ return ret;
+ }
+
+ return 0;
+}
+
+
+static int saa7191_write_reg(struct i2c_client *client, unsigned char reg,
+ unsigned char 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)
+{
+ int i;
+ int ret;
+
+ struct saa7191 *decoder = (struct saa7191 *)i2c_get_clientdata(client);
+ for (i = 0; i < (length - 1); i++) {
+ decoder->reg[data[0] + i] = data[i + 1];
+ }
+
+ ret = i2c_master_send(client, data, length);
+ if (ret < 0) {
+ printk(KERN_ERR "SAA7191: saa7191_write_block(): "
+ "write failed");
+ return ret;
+ }
+
+ return 0;
+}
+
+/* Helper functions */
+
+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);
+ int err;
+
+ switch (input) {
+ case SAA7191_INPUT_COMPOSITE: /* Set Composite input */
+ iock &= ~(SAA7191_IOCK_CHRS | SAA7191_IOCK_GPSW1
+ | SAA7191_IOCK_GPSW2);
+ /* Chrominance trap active */
+ luma &= ~SAA7191_LUMA_BYPS;
+ break;
+ case SAA7191_INPUT_SVIDEO: /* Set S-Video input */
+ iock |= SAA7191_IOCK_CHRS | SAA7191_IOCK_GPSW2;
+ /* Chrominance trap bypassed */
+ luma |= SAA7191_LUMA_BYPS;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ err = saa7191_write_reg(client, SAA7191_REG_LUMA, luma);
+ if (err)
+ return -EIO;
+ err = saa7191_write_reg(client, SAA7191_REG_IOCK, iock);
+ if (err)
+ return -EIO;
+
+ 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);
+ 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);
+ chcv = SAA7191_CHCV_PAL;
+ break;
+ case SAA7191_NORM_NTSC:
+ stdc &= ~SAA7191_STDC_SECS;
+ ctl3 &= ~SAA7191_CTL3_AUFD;
+ ctl3 |= SAA7191_CTL3_FSEL;
+ chcv = SAA7191_CHCV_NTSC;
+ break;
+ case SAA7191_NORM_SECAM:
+ stdc |= SAA7191_STDC_SECS;
+ ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL);
+ chcv = SAA7191_CHCV_PAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3);
+ if (err)
+ return -EIO;
+ err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc);
+ if (err)
+ return -EIO;
+ err = saa7191_write_reg(client, SAA7191_REG_CHCV, chcv);
+ if (err)
+ return -EIO;
+
+ decoder->norm = norm;
+
+ return 0;
+}
+
+static int saa7191_get_controls(struct i2c_client *client,
+ struct saa7191_control *ctrl)
+{
+ unsigned char hue = saa7191_read_reg(client, SAA7191_REG_HUEC);
+ unsigned char stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
+
+ if (hue < 0x80) {
+ hue += 0x80;
+ } else {
+ hue -= 0x80;
+ }
+ ctrl->hue = hue;
+
+ ctrl->vtrc = (stdc & SAA7191_STDC_VTRC)
+ ? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED;
+
+ return 0;
+}
+
+static int saa7191_set_controls(struct i2c_client *client,
+ struct saa7191_control *ctrl)
+{
+ int err;
+
+ if (ctrl->hue >= 0) {
+ unsigned char hue = ctrl->hue & 0xff;
+ if (hue < 0x80) {
+ hue += 0x80;
+ } else {
+ hue -= 0x80;
+ }
+ 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;
+ }
+
+ err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc);
+ if (err)
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/* I2C-interface */
+
+static int saa7191_attach(struct i2c_adapter *adap, int addr, int kind)
+{
+ int err = 0;
+ struct saa7191 *decoder;
+ struct i2c_client *client;
+
+ printk(KERN_INFO "Philips SAA7191 driver version %s\n",
+ SAA7191_MODULE_VERSION);
+
+ client = kmalloc(sizeof(*client), GFP_KERNEL);
+ if (!client)
+ return -ENOMEM;
+ decoder = kmalloc(sizeof(*decoder), GFP_KERNEL);
+ if (!decoder) {
+ err = -ENOMEM;
+ goto out_free_client;
+ }
+
+ memset(client, 0, sizeof(struct i2c_client));
+ memset(decoder, 0, sizeof(struct saa7191));
+
+ client->addr = addr;
+ client->adapter = adap;
+ client->driver = &i2c_driver_saa7191;
+ client->flags = 0;
+ strcpy(client->name, "saa7191 client");
+ i2c_set_clientdata(client, decoder);
+
+ decoder->client = client;
+
+ err = i2c_attach_client(client);
+ 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);
+ if (err) {
+ printk(KERN_ERR "SAA7191 initialization failed\n");
+ goto out_detach_client;
+ }
+
+ printk(KERN_INFO "SAA7191 initialized\n");
+
+ return 0;
+
+out_detach_client:
+ i2c_detach_client(client);
+out_free_decoder:
+ kfree(decoder);
+out_free_client:
+ kfree(client);
+ return err;
+}
+
+static int saa7191_probe(struct i2c_adapter *adap)
+{
+ /* Always connected to VINO */
+ if (adap->id == VINO_ADAPTER)
+ return saa7191_attach(adap, SAA7191_ADDR, 0);
+ /* Feel free to add probe here :-) */
+ return -ENODEV;
+}
+
+static int saa7191_detach(struct i2c_client *client)
+{
+ struct saa7191 *decoder = i2c_get_clientdata(client);
+
+ i2c_detach_client(client);
+ kfree(decoder);
+ kfree(client);
+ return 0;
+}
+
+static int saa7191_command(struct i2c_client *client, unsigned int cmd,
+ void *arg)
+{
+ struct saa7191 *decoder = i2c_get_clientdata(client);
+
+ switch (cmd) {
+ case DECODER_GET_CAPABILITIES: {
+ struct video_decoder_capability *cap = arg;
+
+ cap->flags = VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC |
+ VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO;
+ cap->inputs = (client->adapter->id == VINO_ADAPTER) ? 2 : 1;
+ cap->outputs = 1;
+ break;
+ }
+ case DECODER_GET_STATUS: {
+ int *iarg = arg;
+ unsigned char status;
+ int res = 0;
+
+ if (saa7191_read_status(client, &status)) {
+ return -EIO;
+ }
+ if ((status & SAA7191_STATUS_HLCK) == 0)
+ res |= DECODER_STATUS_GOOD;
+ if (status & SAA7191_STATUS_CODE)
+ res |= DECODER_STATUS_COLOR;
+ switch (decoder->norm) {
+ case SAA7191_NORM_NTSC:
+ res |= DECODER_STATUS_NTSC;
+ break;
+ case SAA7191_NORM_PAL:
+ res |= DECODER_STATUS_PAL;
+ break;
+ case SAA7191_NORM_SECAM:
+ res |= DECODER_STATUS_SECAM;
+ break;
+ case SAA7191_NORM_AUTO:
+ default:
+ if (status & SAA7191_STATUS_FIDT)
+ res |= DECODER_STATUS_NTSC;
+ else
+ res |= DECODER_STATUS_PAL;
+ break;
+ }
+ *iarg = res;
+ break;
+ }
+ case DECODER_SET_NORM: {
+ int *iarg = arg;
+
+ switch (*iarg) {
+ case VIDEO_MODE_AUTO:
+ return saa7191_set_norm(client, SAA7191_NORM_AUTO);
+ case VIDEO_MODE_PAL:
+ return saa7191_set_norm(client, SAA7191_NORM_PAL);
+ case VIDEO_MODE_NTSC:
+ return saa7191_set_norm(client, SAA7191_NORM_NTSC);
+ case VIDEO_MODE_SECAM:
+ return saa7191_set_norm(client, SAA7191_NORM_SECAM);
+ default:
+ return -EINVAL;
+ }
+ break;
+ }
+ case DECODER_SET_INPUT: {
+ int *iarg = arg;
+
+ switch (client->adapter->id) {
+ case VINO_ADAPTER:
+ return saa7191_set_input(client, *iarg);
+ default:
+ if (*iarg != 0)
+ return -EINVAL;
+ }
+ break;
+ }
+ case DECODER_SET_OUTPUT: {
+ int *iarg = arg;
+
+ /* not much choice of outputs */
+ if (*iarg != 0)
+ return -EINVAL;
+ break;
+ }
+ case DECODER_ENABLE_OUTPUT: {
+ /* Always enabled */
+ break;
+ }
+ case DECODER_SET_PICTURE: {
+ struct video_picture *pic = arg;
+ unsigned val;
+ 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;
+
+ 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;
+
+ status->input = decoder->input;
+ status->norm = decoder->norm;
+ }
+ case DECODER_SAA7191_SET_NORM: {
+ int *norm = arg;
+ 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_SET_CONTROLS: {
+ struct saa7191_control *ctrl = arg;
+ return saa7191_set_controls(client, ctrl);
+ }
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct i2c_driver i2c_driver_saa7191 = {
+ .owner = THIS_MODULE,
+ .name = "saa7191",
+ .id = I2C_DRIVERID_SAA7191,
+ .flags = I2C_DF_NOTIFY,
+ .attach_adapter = saa7191_probe,
+ .detach_client = saa7191_detach,
+ .command = saa7191_command
+};
+
+static int saa7191_init(void)
+{
+ return i2c_add_driver(&i2c_driver_saa7191);
+}
+
+static void saa7191_exit(void)
+{
+ i2c_del_driver(&i2c_driver_saa7191);
+}
+
+module_init(saa7191_init);
+module_exit(saa7191_exit);
diff --git a/drivers/media/video/saa7191.h b/drivers/media/video/saa7191.h
new file mode 100644
index 00000000000..27204503143
--- /dev/null
+++ b/drivers/media/video/saa7191.h
@@ -0,0 +1,139 @@
+/*
+ * saa7191.h - Philips SAA7191 video decoder driver
+ *
+ * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
+ * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _SAA7191_H_
+#define _SAA7191_H_
+
+/* Philips SAA7191 DMSD I2C bus address */
+#define SAA7191_ADDR 0x8a
+
+/* Register subaddresses. */
+#define SAA7191_REG_IDEL 0x00
+#define SAA7191_REG_HSYB 0x01
+#define SAA7191_REG_HSYS 0x02
+#define SAA7191_REG_HCLB 0x03
+#define SAA7191_REG_HCLS 0x04
+#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_PLSE 0x0a
+#define SAA7191_REG_SESE 0x0b
+#define SAA7191_REG_GAIN 0x0c
+#define SAA7191_REG_STDC 0x0d
+#define SAA7191_REG_IOCK 0x0e
+#define SAA7191_REG_CTL3 0x0f
+#define SAA7191_REG_CTL4 0x10
+#define SAA7191_REG_CHCV 0x11
+#define SAA7191_REG_HS6B 0x14
+#define SAA7191_REG_HS6S 0x15
+#define SAA7191_REG_HC6B 0x16
+#define SAA7191_REG_HC6S 0x17
+#define SAA7191_REG_HP6I 0x18
+#define SAA7191_REG_STATUS 0xff /* not really a subaddress */
+
+/* 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_STTC 0x80 /* tv/vtr time constant */
+
+/* Luminance Control Register definitions */
+#define SAA7191_LUMA_BYPS 0x80
+
+/* Chroma Gain Control Settings Register definitions */
+/* 0=automatic colour-killer enabled, 1=forced colour on */
+#define SAA7191_GAIN_COLO 0x80
+
+/* 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
+/* 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
+/* S-VHS bit (chrominance from CVBS or from chrominance input):
+ * 0=controlled by BYPS-bit, 1=from chrominance input */
+#define SAA7191_IOCK_CHRS 0x04
+/* general purpose switch 2
+ * VINO-specific: 0=used with CVBS, 1=used with S-Video */
+#define SAA7191_IOCK_GPSW2 0x02
+/* general purpose switch 1 */
+/* VINO-specific: 0=always, 1=not used!*/
+#define SAA7191_IOCK_GPSW1 0x01
+
+/* Miscellaneous Control #1 Register definitions */
+/* automatic field detection (50/60Hz standard) */
+#define SAA7191_CTL3_AUFD 0x80
+/* 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
+
+/* Chrominance Gain Control Register definitions
+ * (nominal value for UV CCIR level) */
+#define SAA7191_CHCV_NTSC 0x2c
+#define SAA7191_CHCV_PAL 0x59
+
+/* Driver interface definitions */
+#define SAA7191_INPUT_COMPOSITE 0
+#define SAA7191_INPUT_SVIDEO 1
+
+#define SAA7191_NORM_AUTO 0
+#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
+
+struct saa7191_status {
+ /* 0=no signal, 1=signal active*/
+ int signal;
+ /* 0=50hz (pal) signal, 1=60hz (ntsc) signal */
+ int ntsc;
+ /* 0=no color detected, 1=color detected */
+ int color;
+
+ /* current SAA7191_INPUT_ */
+ int input;
+ /* current SAA7191_NORM_ */
+ int norm;
+};
+
+#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
+
+struct saa7191_control {
+ int hue;
+ int vtrc;
+};
+
+#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)
+
+#endif
diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c
index 76e8681d65c..d8a0f763ca1 100644
--- a/drivers/media/video/vino.c
+++ b/drivers/media/video/vino.c
@@ -1,80 +1,606 @@
/*
- * (incomplete) Driver for the VINO (Video In No Out) system found in SGI Indys.
+ * Driver for the VINO (Video In No Out) system found in SGI Indys.
*
* This file is subject to the terms and conditions of the GNU General Public
* License version 2 as published by the Free Software Foundation.
*
+ * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
+ *
+ * Based on the previous version of the driver for 2.4 kernels by:
* Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
*/
-#include <linux/module.h>
+/*
+ * TODO:
+ * - remove "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 (?)
+ */
+
#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/wrapper.h>
-#include <linux/errno.h>
-#include <linux/irq.h>
+#include <linux/module.h>
#include <linux/delay.h>
-#include <linux/videodev.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+#include <linux/time.h>
+#include <linux/moduleparam.h>
+
+#ifdef CONFIG_KMOD
+#include <linux/kmod.h>
+#endif
+
#include <linux/i2c.h>
#include <linux/i2c-algo-sgi.h>
-#include <asm/addrspace.h>
-#include <asm/system.h>
-#include <asm/bootinfo.h>
-#include <asm/pgtable.h>
+#include <linux/videodev.h>
+#include <linux/videodev2.h>
+#include <linux/video_decoder.h>
+
#include <asm/paccess.h>
#include <asm/io.h>
#include <asm/sgi/ip22.h>
-#include <asm/sgi/hpc3.h>
#include <asm/sgi/mc.h>
#include "vino.h"
+#include "saa7191.h"
+#include "indycam.h"
+
+/* Uncomment the following line to get lots and lots of (mostly useless)
+ * debug info.
+ * Note that the debug output also slows down the driver significantly */
+// #define VINO_DEBUG
+
+#define VINO_MODULE_VERSION "0.0.3"
+#define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 3)
+
+MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver");
+MODULE_VERSION(VINO_MODULE_VERSION);
+MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
+MODULE_LICENSE("GPL");
-/* debugging? */
-#if 1
-#define DEBUG(x...) printk(x);
+#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
-#define DEBUG(x...)
+#define dprintk(x...)
#endif
+#define VINO_NO_CHANNEL 0
+#define VINO_CHANNEL_A 1
+#define VINO_CHANNEL_B 2
+
+#define VINO_PAL_WIDTH 768
+#define VINO_PAL_HEIGHT 576
+#define VINO_NTSC_WIDTH 640
+#define VINO_NTSC_HEIGHT 480
+
+#define VINO_MIN_WIDTH 32
+#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_EVEN_D1 2
+#define VINO_CLIPPING_START_EVEN_PAL 2
+#define VINO_CLIPPING_START_EVEN_NTSC 2
+
+#define VINO_INPUT_CHANNEL_COUNT 3
+
+#define VINO_INPUT_NONE -1
+#define VINO_INPUT_COMPOSITE 0
+#define VINO_INPUT_SVIDEO 1
+#define VINO_INPUT_D1 2
+
+#define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE)
+
+#define VINO_FIFO_THRESHOLD_DEFAULT 512
+
+/*#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_UNUSED 0
+#define VINO_FRAMEBUFFER_IN_USE 1
+#define VINO_FRAMEBUFFER_READY 2
+
+#define VINO_QUEUE_ERROR -1
+#define VINO_QUEUE_MAGIC 0x20050125
+
+#define VINO_MEMORY_NONE 0
+#define VINO_MEMORY_MMAP 1
+#define VINO_MEMORY_USERPTR 2
+
+#define VINO_DUMMY_DESC_COUNT 4
+#define VINO_DESC_FETCH_DELAY 5 /* microseconds */
+
+/* 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
+
+#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
+ * autodetect the norm. */
+#define VINO_DATA_NORM_AUTO 0xff
+
+#define VINO_DATA_NORM_COUNT 4
-/* VINO ASIC registers */
-struct sgi_vino *vino;
+/* Internal data structure definitions */
-static const char *vinostr = "VINO IndyCam/TV";
-static int threshold_a = 512;
-static int threshold_b = 512;
+struct vino_input {
+ char *name;
+ v4l2_std_id std;
+};
+
+struct vino_clipping {
+ unsigned int left, right, top, bottom;
+};
+
+struct vino_data_format {
+ /* the description */
+ char *description;
+ /* bytes per pixel */
+ unsigned int bpp;
+ /* V4L2 fourcc code */
+ __u32 pixelformat;
+ /* V4L2 colorspace (duh!) */
+ enum v4l2_colorspace colorspace;
+};
+
+struct vino_data_norm {
+ char *description;
+ unsigned int width, height;
+ struct vino_clipping odd;
+ struct vino_clipping even;
+
+ v4l2_std_id std;
+ unsigned int fps_min, fps_max;
+ __u32 framelines;
+};
+
+struct vino_descriptor_table {
+ /* the number of PAGE_SIZE sized pages in the buffer */
+ unsigned int page_count;
+ /* virtual (kmalloc'd) pointers to the actual data
+ * (in PAGE_SIZE chunks, used with mmap streaming) */
+ unsigned long *virtual;
+
+ /* cpu address for the VINO descriptor table
+ * (contains DMA addresses, VINO_PAGE_SIZE chunks) */
+ unsigned long *dma_cpu;
+ /* dma address for the VINO descriptor table
+ * (contains DMA addresses, VINO_PAGE_SIZE chunks) */
+ dma_addr_t dma;
+};
+
+struct vino_framebuffer {
+ /* identifier nubmer */
+ unsigned int id;
+ /* the length of the whole buffer */
+ unsigned int size;
+ /* the length of actual data in buffer */
+ unsigned int data_size;
+ /* the data format */
+ unsigned int data_format;
+ /* the state of buffer data */
+ unsigned int state;
+ /* is the buffer mapped in user space? */
+ unsigned int map_count;
+ /* memory offset for mmap() */
+ unsigned int offset;
+ /* frame counter */
+ unsigned int frame_counter;
+ /* timestamp (written when image capture finishes) */
+ struct timeval timestamp;
+
+ struct vino_descriptor_table desc_table;
+
+ spinlock_t state_lock;
+};
-struct vino_device {
- struct video_device vdev;
-#define VINO_CHAN_A 1
-#define VINO_CHAN_B 2
- int chan;
+struct vino_framebuffer_fifo {
+ unsigned int length;
+
+ unsigned int used;
+ unsigned int head;
+ unsigned int tail;
+
+ unsigned int data[VINO_FRAMEBUFFER_MAX_COUNT];
+};
+
+struct vino_framebuffer_queue {
+ unsigned int magic;
+
+ /* VINO_MEMORY_NONE, VINO_MEMORY_MMAP or VINO_MEMORY_USERPTR */
+ unsigned int type;
+ unsigned int length;
+
+ /* data field of in and out contain index numbers for buffer */
+ struct vino_framebuffer_fifo in;
+ struct vino_framebuffer_fifo out;
+
+ struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_MAX_COUNT];
+
+ spinlock_t queue_lock;
+ struct semaphore queue_sem;
+ wait_queue_head_t frame_wait_queue;
+};
+
+struct vino_channel_settings {
+ unsigned int channel;
+
+ int input;
+ unsigned int data_format;
+ unsigned int data_norm;
+ struct vino_clipping clipping;
+ unsigned int decimation;
+ unsigned int line_size;
+ unsigned int alpha;
+ unsigned int fps;
+ unsigned int framert_reg;
+
+ unsigned int fifo_threshold;
+
+ struct vino_framebuffer_queue fb_queue;
+
+ /* number of the current field */
+ unsigned int field;
+
+ /* read in progress */
+ int reading;
+ /* streaming is active */
+ int streaming;
+ /* the driver is currently processing the queue */
+ int capturing;
+
+ struct semaphore sem;
+ spinlock_t capture_lock;
+
+ unsigned int users;
+
+ /* V4L support */
+ struct video_device *v4l_device;
};
struct vino_client {
+ /* the channel which owns this client:
+ * VINO_NO_CHANNEL, VINO_CHANNEL_A or VINO_CHANNEL_B */
+ unsigned int owner;
struct i2c_client *driver;
- int owner;
};
-struct vino_video {
- struct vino_device chA;
- struct vino_device chB;
+struct vino_settings {
+ struct vino_channel_settings a;
+ struct vino_channel_settings b;
struct vino_client decoder;
struct vino_client camera;
- struct semaphore input_lock;
+ /* a lock for vino register access */
+ spinlock_t vino_lock;
+ /* a lock for channel input changes */
+ spinlock_t input_lock;
- /* Loaded into VINO descriptors to clear End Of Descriptors table
- * interupt condition */
unsigned long dummy_page;
- unsigned int dummy_buf[4] __attribute__((aligned(8)));
+ struct vino_descriptor_table dummy_desc_table;
};
-static struct vino_video *Vino;
+/* Module parameters */
+
+/*
+ * Using vino_pixel_conversion the ARGB32-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
+ * the V4L2-definitions.
+ *
+ * The pixel format is specified as RGBA32 when no conversion
+ * is used.
+ *
+ * Note that this only affects the 32-bit bit depth.
+ *
+ * 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)");
+
+/* Internal data structures */
+
+static struct sgi_vino *vino;
+
+static struct vino_settings *vino_drvdata;
+
+static const char *vino_driver_name = "vino";
+static const char *vino_driver_description = "SGI VINO";
+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 const struct vino_input vino_inputs[] = {
+ {
+ .name = "Composite",
+ .std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
+ },{
+ .name = "S-Video",
+ .std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
+ },{
+ .name = "D1 (IndyCam)",
+ .std = V4L2_STD_NTSC,
+ }
+};
+
+static const struct vino_data_format vino_data_formats[] = {
+ {
+ .description = "8-bit greyscale",
+ .bpp = 1,
+ .pixelformat = V4L2_PIX_FMT_GREY,
+ .colorspace = V4L2_COLORSPACE_SMPTE170M,
+ },{
+ .description = "8-bit dithered RGB 3-3-2",
+ .bpp = 1,
+ .pixelformat = V4L2_PIX_FMT_RGB332,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ },{
+ .description = "32-bit RGB",
+ .bpp = 4,
+ .pixelformat = V4L2_PIX_FMT_RGB32,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ },{
+ .description = "YUV 4:2:2",
+ .bpp = 4,
+ .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[] = {
+ {
+ .description = "NTSC",
+ .std = V4L2_STD_NTSC,
+ .fps_min = 6,
+ .fps_max = 30,
+ .framelines = 525,
+ .width = VINO_NTSC_WIDTH,
+ .height = VINO_NTSC_HEIGHT,
+ .odd = {
+ .top = VINO_CLIPPING_START_ODD_NTSC,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_ODD_NTSC
+ + VINO_NTSC_HEIGHT / 2 - 1,
+ .right = VINO_NTSC_WIDTH,
+ },
+ .even = {
+ .top = VINO_CLIPPING_START_EVEN_NTSC,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_EVEN_NTSC
+ + VINO_NTSC_HEIGHT / 2 - 1,
+ .right = VINO_NTSC_WIDTH,
+ },
+ },{
+ .description = "PAL",
+ .std = V4L2_STD_PAL,
+ .fps_min = 5,
+ .fps_max = 25,
+ .framelines = 625,
+ .width = VINO_PAL_WIDTH,
+ .height = VINO_PAL_HEIGHT,
+ .odd = {
+ .top = VINO_CLIPPING_START_ODD_PAL,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_ODD_PAL
+ + VINO_PAL_HEIGHT / 2 - 1,
+ .right = VINO_PAL_WIDTH,
+ },
+ .even = {
+ .top = VINO_CLIPPING_START_EVEN_PAL,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_EVEN_PAL
+ + VINO_PAL_HEIGHT / 2 - 1,
+ .right = VINO_PAL_WIDTH,
+ },
+ },{
+ .description = "SECAM",
+ .std = V4L2_STD_SECAM,
+ .fps_min = 5,
+ .fps_max = 25,
+ .framelines = 625,
+ .width = VINO_PAL_WIDTH,
+ .height = VINO_PAL_HEIGHT,
+ .odd = {
+ .top = VINO_CLIPPING_START_ODD_PAL,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_ODD_PAL
+ + VINO_PAL_HEIGHT / 2 - 1,
+ .right = VINO_PAL_WIDTH,
+ },
+ .even = {
+ .top = VINO_CLIPPING_START_EVEN_PAL,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_EVEN_PAL
+ + VINO_PAL_HEIGHT / 2 - 1,
+ .right = VINO_PAL_WIDTH,
+ },
+ },{
+ .description = "NTSC (D1 input)",
+ .std = V4L2_STD_NTSC,
+ .fps_min = 6,
+ .fps_max = 30,
+ .framelines = 525,
+ .width = VINO_NTSC_WIDTH,
+ .height = VINO_NTSC_HEIGHT,
+ .odd = {
+ .top = VINO_CLIPPING_START_ODD_D1,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_ODD_D1
+ + VINO_NTSC_HEIGHT / 2 - 1,
+ .right = VINO_NTSC_WIDTH,
+ },
+ .even = {
+ .top = VINO_CLIPPING_START_EVEN_D1,
+ .left = 0,
+ .bottom = VINO_CLIPPING_START_EVEN_D1
+ + VINO_NTSC_HEIGHT / 2 - 1,
+ .right = VINO_NTSC_WIDTH,
+ },
+ }
+};
+
+#define VINO_INDYCAM_V4L2_CONTROL_COUNT 9
+
+struct v4l2_queryctrl vino_indycam_v4l2_controls[] = {
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Automatic Gain Control",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = INDYCAM_AGC_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_AUTO_WHITE_BALANCE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Automatic White Balance",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = INDYCAM_AWB_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Gain",
+ .minimum = INDYCAM_GAIN_MIN,
+ .maximum = INDYCAM_GAIN_MAX,
+ .step = 1,
+ .default_value = INDYCAM_GAIN_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_PRIVATE_BASE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Red Saturation",
+ .minimum = INDYCAM_RED_SATURATION_MIN,
+ .maximum = INDYCAM_RED_SATURATION_MAX,
+ .step = 1,
+ .default_value = INDYCAM_RED_SATURATION_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_PRIVATE_BASE + 1,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Blue Saturation",
+ .minimum = INDYCAM_BLUE_SATURATION_MIN,
+ .maximum = INDYCAM_BLUE_SATURATION_MAX,
+ .step = 1,
+ .default_value = INDYCAM_BLUE_SATURATION_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Red Balance",
+ .minimum = INDYCAM_RED_BALANCE_MIN,
+ .maximum = INDYCAM_RED_BALANCE_MAX,
+ .step = 1,
+ .default_value = INDYCAM_RED_BALANCE_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Blue Balance",
+ .minimum = INDYCAM_BLUE_BALANCE_MIN,
+ .maximum = INDYCAM_BLUE_BALANCE_MAX,
+ .step = 1,
+ .default_value = INDYCAM_BLUE_BALANCE_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Shutter Control",
+ .minimum = INDYCAM_SHUTTER_MIN,
+ .maximum = INDYCAM_SHUTTER_MAX,
+ .step = 1,
+ .default_value = INDYCAM_SHUTTER_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_GAMMA,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Gamma",
+ .minimum = INDYCAM_GAMMA_MIN,
+ .maximum = INDYCAM_GAMMA_MAX,
+ .step = 1,
+ .default_value = INDYCAM_GAMMA_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ }
+};
+
+#define VINO_SAA7191_V4L2_CONTROL_COUNT 2
+
+struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = {
+ {
+ .id = V4L2_CID_HUE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Hue",
+ .minimum = SAA7191_HUE_MIN,
+ .maximum = SAA7191_HUE_MAX,
+ .step = 1,
+ .default_value = SAA7191_HUE_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ },{
+ .id = V4L2_CID_PRIVATE_BASE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "VTR Time Constant",
+ .minimum = SAA7191_VTRC_MIN,
+ .maximum = SAA7191_VTRC_MAX,
+ .step = 1,
+ .default_value = SAA7191_VTRC_DEFAULT,
+ .flags = 0,
+ .reserved = { 0, 0 },
+ }
+};
+
+/* VINO I2C bus functions */
unsigned i2c_vino_getctrl(void *data)
{
@@ -112,49 +638,49 @@ static struct i2c_algo_sgi_data i2c_sgi_vino_data =
*/
static int i2c_vino_client_reg(struct i2c_client *client)
{
- int res = 0;
+ int ret = 0;
- down(&Vino->input_lock);
+ spin_lock(&vino_drvdata->input_lock);
switch (client->driver->id) {
case I2C_DRIVERID_SAA7191:
- if (Vino->decoder.driver)
- res = -EBUSY;
+ if (vino_drvdata->decoder.driver)
+ ret = -EBUSY;
else
- Vino->decoder.driver = client;
+ vino_drvdata->decoder.driver = client;
break;
case I2C_DRIVERID_INDYCAM:
- if (Vino->camera.driver)
- res = -EBUSY;
+ if (vino_drvdata->camera.driver)
+ ret = -EBUSY;
else
- Vino->camera.driver = client;
+ vino_drvdata->camera.driver = client;
break;
default:
- res = -ENODEV;
+ ret = -ENODEV;
}
- up(&Vino->input_lock);
+ spin_unlock(&vino_drvdata->input_lock);
- return res;
+ return ret;
}
static int i2c_vino_client_unreg(struct i2c_client *client)
{
- int res = 0;
+ int ret = 0;
- down(&Vino->input_lock);
- if (client == Vino->decoder.driver) {
- if (Vino->decoder.owner)
- res = -EBUSY;
+ spin_lock(&vino_drvdata->input_lock);
+ if (client == vino_drvdata->decoder.driver) {
+ if (vino_drvdata->decoder.owner != VINO_NO_CHANNEL)
+ ret = -EBUSY;
else
- Vino->decoder.driver = NULL;
- } else if (client == Vino->camera.driver) {
- if (Vino->camera.owner)
- res = -EBUSY;
+ vino_drvdata->decoder.driver = NULL;
+ } else if (client == vino_drvdata->camera.driver) {
+ if (vino_drvdata->camera.owner != VINO_NO_CHANNEL)
+ ret = -EBUSY;
else
- Vino->camera.driver = NULL;
+ vino_drvdata->camera.driver = NULL;
}
- up(&Vino->input_lock);
+ spin_unlock(&vino_drvdata->input_lock);
- return res;
+ return ret;
}
static struct i2c_adapter vino_i2c_adapter =
@@ -176,172 +702,3591 @@ static int vino_i2c_del_bus(void)
return i2c_sgi_del_bus(&vino_i2c_adapter);
}
+static int i2c_camera_command(unsigned int cmd, void *arg)
+{
+ return vino_drvdata->camera.driver->
+ driver->command(vino_drvdata->camera.driver,
+ cmd, arg);
+}
+
+static int i2c_decoder_command(unsigned int cmd, void *arg)
+{
+ return vino_drvdata->decoder.driver->
+ driver->command(vino_drvdata->decoder.driver,
+ cmd, arg);
+}
+
+/* VINO framebuffer/DMA descriptor management */
+
+static void vino_free_buffer_with_count(struct vino_framebuffer *fb,
+ unsigned int count)
+{
+ unsigned int i;
+
+ 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]));
+ dma_unmap_single(NULL,
+ fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i],
+ PAGE_SIZE, DMA_FROM_DEVICE);
+ free_page(fb->desc_table.virtual[i]);
+ }
+
+ dma_free_coherent(NULL,
+ VINO_PAGE_RATIO * (fb->desc_table.page_count + 4) *
+ sizeof(dma_addr_t), (void *)fb->desc_table.dma_cpu,
+ fb->desc_table.dma);
+ kfree(fb->desc_table.virtual);
+
+ memset(fb, 0, sizeof(struct vino_framebuffer));
+}
+
+static void vino_free_buffer(struct vino_framebuffer *fb)
+{
+ vino_free_buffer_with_count(fb, fb->desc_table.page_count);
+}
+
+static int vino_allocate_buffer(struct vino_framebuffer *fb,
+ unsigned int size)
+{
+ unsigned int count, i, j;
+ int ret = 0;
+
+ dprintk("vino_allocate_buffer():\n");
+
+ if (size < 1)
+ return -EINVAL;
+
+ memset(fb, 0, sizeof(struct vino_framebuffer));
+
+ count = ((size / PAGE_SIZE) + 4) & ~3;
+
+ dprintk("vino_allocate_buffer(): size = %d, count = %d\n",
+ size, count);
+
+ /* allocate memory for table with virtual (page) addresses */
+ fb->desc_table.virtual = (unsigned long *)
+ kmalloc(count * sizeof(unsigned long), GFP_KERNEL);
+ if (!fb->desc_table.virtual)
+ return -ENOMEM;
+
+ /* allocate memory for table with dma addresses
+ * (has space for four extra descriptors) */
+ fb->desc_table.dma_cpu =
+ dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) *
+ sizeof(dma_addr_t), &fb->desc_table.dma,
+ GFP_KERNEL | GFP_DMA);
+ if (!fb->desc_table.dma_cpu) {
+ ret = -ENOMEM;
+ goto out_free_virtual;
+ }
+
+ /* allocate pages for the buffer and acquire the according
+ * dma addresses */
+ for (i = 0; i < count; i++) {
+ dma_addr_t dma_data_addr;
+
+ fb->desc_table.virtual[i] =
+ get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!fb->desc_table.virtual[i]) {
+ ret = -ENOBUFS;
+ break;
+ }
+
+ dma_data_addr =
+ dma_map_single(NULL,
+ (void *)fb->desc_table.virtual[i],
+ PAGE_SIZE, DMA_FROM_DEVICE);
+
+ for (j = 0; j < VINO_PAGE_RATIO; j++) {
+ fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] =
+ dma_data_addr + VINO_PAGE_SIZE * j;
+ }
+
+ mem_map_reserve(virt_to_page(fb->desc_table.virtual[i]));
+ }
+
+ /* page_count needs to be set anyway, because the descriptor table has
+ * been allocated according to this number */
+ fb->desc_table.page_count = count;
+
+ if (ret) {
+ /* the descriptor with index i doesn't contain
+ * a valid address yet */
+ vino_free_buffer_with_count(fb, i);
+ return ret;
+ }
+
+ //fb->size = size;
+ fb->size = count * PAGE_SIZE;
+ fb->data_format = VINO_DATA_FMT_NONE;
+
+ /* set the dma stop-bit for the last (count+1)th descriptor */
+ fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP;
+ return 0;
+
+ out_free_virtual:
+ kfree(fb->desc_table.virtual);
+ return ret;
+}
+
+#if 0
+/* user buffers not fully implemented yet */
+static int vino_prepare_user_buffer(struct vino_framebuffer *fb,
+ void *user,
+ unsigned int size)
+{
+ unsigned int count, i, j;
+ int ret = 0;
+
+ dprintk("vino_prepare_user_buffer():\n");
+
+ if (size < 1)
+ return -EINVAL;
+
+ memset(fb, 0, sizeof(struct vino_framebuffer));
+
+ count = ((size / PAGE_SIZE)) & ~3;
+
+ dprintk("vino_prepare_user_buffer(): size = %d, count = %d\n",
+ size, count);
+
+ /* allocate memory for table with virtual (page) addresses */
+ fb->desc_table.virtual = (unsigned long *)
+ kmalloc(count * sizeof(unsigned long), GFP_KERNEL);
+ if (!fb->desc_table.virtual)
+ return -ENOMEM;
+
+ /* allocate memory for table with dma addresses
+ * (has space for four extra descriptors) */
+ fb->desc_table.dma_cpu =
+ dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) *
+ sizeof(dma_addr_t), &fb->desc_table.dma,
+ GFP_KERNEL | GFP_DMA);
+ if (!fb->desc_table.dma_cpu) {
+ ret = -ENOMEM;
+ goto out_free_virtual;
+ }
+
+ /* allocate pages for the buffer and acquire the according
+ * dma addresses */
+ for (i = 0; i < count; i++) {
+ dma_addr_t dma_data_addr;
+
+ fb->desc_table.virtual[i] =
+ get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!fb->desc_table.virtual[i]) {
+ ret = -ENOBUFS;
+ break;
+ }
+
+ dma_data_addr =
+ dma_map_single(NULL,
+ (void *)fb->desc_table.virtual[i],
+ PAGE_SIZE, DMA_FROM_DEVICE);
+
+ for (j = 0; j < VINO_PAGE_RATIO; j++) {
+ fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] =
+ dma_data_addr + VINO_PAGE_SIZE * j;
+ }
+
+ mem_map_reserve(virt_to_page(fb->desc_table.virtual[i]));
+ }
+
+ /* page_count needs to be set anyway, because the descriptor table has
+ * been allocated according to this number */
+ fb->desc_table.page_count = count;
+
+ if (ret) {
+ /* the descriptor with index i doesn't contain
+ * a valid address yet */
+ vino_free_buffer_with_count(fb, i);
+ return ret;
+ }
+
+ //fb->size = size;
+ fb->size = count * PAGE_SIZE;
+
+ /* set the dma stop-bit for the last (count+1)th descriptor */
+ fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP;
+ return 0;
+
+ out_free_virtual:
+ kfree(fb->desc_table.virtual);
+ return ret;
+}
+#endif
+
+static void vino_sync_buffer(struct vino_framebuffer *fb)
+{
+ int i;
+
+ dprintk("vino_sync_buffer():\n");
+
+ for (i = 0; i < fb->desc_table.page_count; i++)
+ dma_sync_single(NULL,
+ fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i],
+ PAGE_SIZE, DMA_FROM_DEVICE);
+}
+
+/* Framebuffer fifo functions (need to be locked externally) */
+
+static void vino_fifo_init(struct vino_framebuffer_fifo *f,
+ unsigned int length)
+{
+ f->length = 0;
+ f->used = 0;
+ f->head = 0;
+ f->tail = 0;
+
+ if (length > VINO_FRAMEBUFFER_MAX_COUNT)
+ length = VINO_FRAMEBUFFER_MAX_COUNT;
+
+ f->length = length;
+}
+
+/* returns true/false */
+static 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;
+ }
+
+ return 0;
+}
+
+/* returns true/false */
+static int vino_fifo_full(struct vino_framebuffer_fifo *f)
+{
+ return (f->used == f->length);
+}
+
+static unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f)
+{
+ return f->used;
+}
-static void vino_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static int vino_fifo_enqueue(struct vino_framebuffer_fifo *f, unsigned int id)
{
+ if (id >= f->length) {
+ return VINO_QUEUE_ERROR;
+ }
+
+ if (vino_fifo_has_id(f, id)) {
+ return VINO_QUEUE_ERROR;
+ }
+
+ if (f->used < f->length) {
+ f->data[f->tail] = id;
+ f->tail = (f->tail + 1) % f->length;
+ f->used++;
+ } else {
+ return VINO_QUEUE_ERROR;
+ }
+
+ return 0;
}
-static int vino_open(struct video_device *dev, int flags)
+static int vino_fifo_peek(struct vino_framebuffer_fifo *f, unsigned int *id)
{
- struct vino_device *videv = (struct vino_device *)dev;
+ if (f->used > 0) {
+ *id = f->data[f->head];
+ } else {
+ return VINO_QUEUE_ERROR;
+ }
return 0;
}
-static void vino_close(struct video_device *dev)
+static int vino_fifo_dequeue(struct vino_framebuffer_fifo *f, unsigned int *id)
{
- struct vino_device *videv = (struct vino_device *)dev;
+ if (f->used > 0) {
+ *id = f->data[f->head];
+ f->head = (f->head + 1) % f->length;
+ f->used--;
+ } else {
+ return VINO_QUEUE_ERROR;
+ }
+
+ return 0;
}
-static int vino_mmap(struct video_device *dev, const char *adr,
- unsigned long size)
+/* Framebuffer queue functions */
+
+/* execute with queue_lock locked */
+static void vino_queue_free_with_count(struct vino_framebuffer_queue *q,
+ unsigned int length)
{
- struct vino_device *videv = (struct vino_device *)dev;
+ unsigned int i;
- return -EINVAL;
+ q->length = 0;
+ memset(&q->in, 0, sizeof(struct vino_framebuffer_fifo));
+ memset(&q->out, 0, sizeof(struct vino_framebuffer_fifo));
+ for (i = 0; i < length; i++) {
+ dprintk("vino_queue_free_with_count(): freeing buffer %d\n",
+ i);
+ vino_free_buffer(q->buffer[i]);
+ kfree(q->buffer[i]);
+ }
+
+ q->type = VINO_MEMORY_NONE;
+ q->magic = 0;
}
-static int vino_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
+static void vino_queue_free(struct vino_framebuffer_queue *q)
{
- struct vino_device *videv = (struct vino_device *)dev;
+ dprintk("vino_queue_free():\n");
+
+ if (q->magic != VINO_QUEUE_MAGIC)
+ return;
+ if (q->type != VINO_MEMORY_MMAP)
+ return;
+
+ down(&q->queue_sem);
+
+ vino_queue_free_with_count(q, q->length);
+
+ up(&q->queue_sem);
+}
+
+static int vino_queue_init(struct vino_framebuffer_queue *q,
+ unsigned int *length)
+{
+ unsigned int i;
+ int ret = 0;
+
+ dprintk("vino_queue_init(): length = %d\n", *length);
+
+ if (q->magic == VINO_QUEUE_MAGIC) {
+ dprintk("vino_queue_init(): queue already initialized!\n");
+ return -EINVAL;
+ }
+
+ if (q->type != VINO_MEMORY_NONE) {
+ dprintk("vino_queue_init(): queue already initialized!\n");
+ return -EINVAL;
+ }
+
+ if (*length < 1)
+ return -EINVAL;
+
+ down(&q->queue_sem);
+
+ if (*length > VINO_FRAMEBUFFER_MAX_COUNT)
+ *length = VINO_FRAMEBUFFER_MAX_COUNT;
+
+ q->length = 0;
+
+ for (i = 0; i < *length; i++) {
+ dprintk("vino_queue_init(): allocating buffer %d\n", i);
+ q->buffer[i] = kmalloc(sizeof(struct vino_framebuffer),
+ GFP_KERNEL);
+ if (!q->buffer[i]) {
+ dprintk("vino_queue_init(): kmalloc() failed\n");
+ ret = -ENOMEM;
+ break;
+ }
+
+ ret = vino_allocate_buffer(q->buffer[i],
+ VINO_FRAMEBUFFER_SIZE);
+ if (ret) {
+ kfree(q->buffer[i]);
+ dprintk("vino_queue_init(): "
+ "vino_allocate_buffer() failed\n");
+ break;
+ }
+
+ q->buffer[i]->id = i;
+ if (i > 0) {
+ q->buffer[i]->offset = q->buffer[i - 1]->offset +
+ q->buffer[i - 1]->size;
+ } else {
+ q->buffer[i]->offset = 0;
+ }
+
+ spin_lock_init(&q->buffer[i]->state_lock);
+
+ dprintk("vino_queue_init(): buffer = %d, offset = %d, "
+ "size = %d\n", i, q->buffer[i]->offset,
+ q->buffer[i]->size);
+ }
+
+ if (ret) {
+ vino_queue_free_with_count(q, i);
+ *length = 0;
+ } else {
+ q->length = *length;
+ vino_fifo_init(&q->in, q->length);
+ vino_fifo_init(&q->out, q->length);
+ q->type = VINO_MEMORY_MMAP;
+ q->magic = VINO_QUEUE_MAGIC;
+ }
+
+ up(&q->queue_sem);
+
+ return ret;
+}
+
+static struct vino_framebuffer *vino_queue_add(struct
+ vino_framebuffer_queue *q,
+ unsigned int id)
+{
+ struct vino_framebuffer *ret = NULL;
+ unsigned int total;
+ unsigned long flags;
+
+ dprintk("vino_queue_add(): id = %d\n", id);
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ if (id >= q->length)
+ goto out;
+
+ /* not needed?: if (vino_fifo_full(&q->out)) {
+ goto out;
+ }*/
+ /* check that outgoing queue isn't already full
+ * (or that it won't become full) */
+ total = vino_fifo_get_used(&q->in) +
+ vino_fifo_get_used(&q->out);
+ if (total >= q->length)
+ goto out;
+
+ if (vino_fifo_enqueue(&q->in, id))
+ goto out;
+
+ ret = q->buffer[id];
+
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static struct vino_framebuffer *vino_queue_transfer(struct
+ vino_framebuffer_queue *q)
+{
+ struct vino_framebuffer *ret = NULL;
+ struct vino_framebuffer *fb;
+ int id;
+ unsigned long flags;
+
+ dprintk("vino_queue_transfer():\n");
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ // now this actually removes an entry from the incoming queue
+ if (vino_fifo_dequeue(&q->in, &id)) {
+ goto out;
+ }
+
+ dprintk("vino_queue_transfer(): id = %d\n", id);
+ fb = q->buffer[id];
+
+ // we have already checked that the outgoing queue is not full, but...
+ if (vino_fifo_enqueue(&q->out, id)) {
+ printk(KERN_ERR "vino_queue_transfer(): "
+ "outgoing queue is full, this shouldn't happen!\n");
+ goto out;
+ }
+
+ ret = fb;
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+/* returns true/false */
+static int vino_queue_incoming_contains(struct vino_framebuffer_queue *q,
+ unsigned int id)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ ret = vino_fifo_has_id(&q->in, id);
+
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+/* returns true/false */
+static int vino_queue_outgoing_contains(struct vino_framebuffer_queue *q,
+ unsigned int id)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ ret = vino_fifo_has_id(&q->out, id);
+
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static int vino_queue_get_incoming(struct vino_framebuffer_queue *q,
+ unsigned int *used)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return VINO_QUEUE_ERROR;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0) {
+ ret = VINO_QUEUE_ERROR;
+ goto out;
+ }
+
+ *used = vino_fifo_get_used(&q->in);
+
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q,
+ unsigned int *used)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return VINO_QUEUE_ERROR;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0) {
+ ret = VINO_QUEUE_ERROR;
+ goto out;
+ }
+
+ *used = vino_fifo_get_used(&q->out);
+
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static int vino_queue_get_total(struct vino_framebuffer_queue *q,
+ unsigned int *total)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return VINO_QUEUE_ERROR;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0) {
+ ret = VINO_QUEUE_ERROR;
+ goto out;
+ }
+
+ *total = vino_fifo_get_used(&q->in) +
+ vino_fifo_get_used(&q->out);
+
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static struct vino_framebuffer *vino_queue_peek(struct
+ vino_framebuffer_queue *q,
+ unsigned int *id)
+{
+ struct vino_framebuffer *ret = NULL;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ if (vino_fifo_peek(&q->in, id)) {
+ goto out;
+ }
+
+ ret = q->buffer[*id];
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static struct vino_framebuffer *vino_queue_remove(struct
+ vino_framebuffer_queue *q,
+ unsigned int *id)
+{
+ struct vino_framebuffer *ret = NULL;
+ unsigned long flags;
+ dprintk("vino_queue_remove():\n");
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ if (vino_fifo_dequeue(&q->out, id)) {
+ goto out;
+ }
+
+ dprintk("vino_queue_remove(): id = %d\n", *id);
+ ret = q->buffer[*id];
+out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static struct
+vino_framebuffer *vino_queue_get_buffer(struct vino_framebuffer_queue *q,
+ unsigned int id)
+{
+ struct vino_framebuffer *ret = NULL;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+
+ if (q->length == 0)
+ goto out;
+
+ if (id >= q->length)
+ goto out;
+
+ ret = q->buffer[id];
+ out:
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+static unsigned int vino_queue_get_length(struct vino_framebuffer_queue *q)
+{
+ unsigned int length = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return length;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+ length = q->length;
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return length;
+}
+
+static int vino_queue_has_mapped_buffers(struct vino_framebuffer_queue *q)
+{
+ unsigned int i;
+ int ret = 0;
+ unsigned long flags;
+
+ if (q->magic != VINO_QUEUE_MAGIC) {
+ return ret;
+ }
+
+ spin_lock_irqsave(&q->queue_lock, flags);
+ for (i = 0; i < q->length; i++) {
+ if (q->buffer[i]->map_count > 0) {
+ ret = 1;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&q->queue_lock, flags);
+
+ return ret;
+}
+
+/* VINO functions */
+
+/* execute with input_lock locked */
+static void vino_update_line_size(struct vino_channel_settings *vcs)
+{
+ unsigned int w = vcs->clipping.right - vcs->clipping.left;
+ unsigned int d = vcs->decimation;
+ unsigned int bpp = vino_data_formats[vcs->data_format].bpp;
+ unsigned int lsize;
+
+ 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);
+}
+
+/* execute with input_lock locked */
+static void vino_set_clipping(struct vino_channel_settings *vcs,
+ unsigned int x, unsigned int y,
+ unsigned int w, unsigned int h)
+{
+ unsigned int maxwidth, maxheight;
+ unsigned int d;
+
+ maxwidth = vino_data_norms[vcs->data_norm].width;
+ maxheight = vino_data_norms[vcs->data_norm].height;
+ d = vcs->decimation;
+
+ y &= ~1; /* odd/even fields */
+
+ if (x > maxwidth) {
+ x = 0;
+ }
+ if (y > maxheight) {
+ y = 0;
+ }
+
+ if (((w / d) < VINO_MIN_WIDTH)
+ || ((h / d) < VINO_MIN_HEIGHT)) {
+ w = VINO_MIN_WIDTH * d;
+ h = VINO_MIN_HEIGHT * d;
+ }
+
+ if ((x + w) > maxwidth) {
+ w = maxwidth - x;
+ if ((w / d) < VINO_MIN_WIDTH)
+ x = maxwidth - VINO_MIN_WIDTH * d;
+ }
+ if ((y + h) > maxheight) {
+ h = maxheight - y;
+ if ((h / d) < VINO_MIN_HEIGHT)
+ y = maxheight - VINO_MIN_HEIGHT * d;
+ }
+
+ vcs->clipping.left = x;
+ vcs->clipping.top = y;
+ vcs->clipping.right = x + w;
+ vcs->clipping.bottom = y + h;
+
+ vino_update_line_size(vcs);
+
+ dprintk("clipping %d, %d, %d, %d / %d - %d\n",
+ vcs->clipping.left, vcs->clipping.top, vcs->clipping.right,
+ vcs->clipping.bottom, vcs->decimation, vcs->line_size);
+}
+
+/* execute with input_lock locked */
+static 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);
+}
+
+/* execute with input_lock locked */
+static void vino_set_scaling(struct vino_channel_settings *vcs,
+ unsigned int w, unsigned int h)
+{
+ unsigned int x, y, curw, curh, d;
+
+ x = vcs->clipping.left;
+ y = vcs->clipping.top;
+ curw = vcs->clipping.right - vcs->clipping.left;
+ curh = vcs->clipping.bottom - vcs->clipping.top;
+
+ d = max(curw / w, curh / h);
+
+ dprintk("scaling w: %d, h: %d, curw: %d, curh: %d, d: %d\n",
+ w, h, curw, curh, d);
+
+ if (d < 1) {
+ d = 1;
+ }
+ if (d > 8) {
+ d = 8;
+ }
+
+ vcs->decimation = d;
+ vino_set_clipping(vcs, x, y, w * d, h * d);
+
+ dprintk("scaling %d, %d, %d, %d / %d - %d\n", vcs->clipping.left,
+ vcs->clipping.top, vcs->clipping.right, vcs->clipping.bottom,
+ vcs->decimation, vcs->line_size);
+}
+
+/* execute with input_lock locked */
+static void vino_reset_scaling(struct vino_channel_settings *vcs)
+{
+ vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left,
+ vcs->clipping.bottom - vcs->clipping.top);
+}
+
+/* execute with input_lock locked */
+static void vino_set_framerate(struct vino_channel_settings *vcs,
+ unsigned int fps)
+{
+ unsigned int mask;
+
+ switch (vcs->data_norm) {
+ case VINO_DATA_NORM_NTSC:
+ case VINO_DATA_NORM_D1:
+ fps = (unsigned int)(fps / 6) * 6; // FIXME: round!
+
+ if (fps < vino_data_norms[vcs->data_norm].fps_min)
+ fps = vino_data_norms[vcs->data_norm].fps_min;
+ if (fps > vino_data_norms[vcs->data_norm].fps_max)
+ fps = vino_data_norms[vcs->data_norm].fps_max;
+
+ switch (fps) {
+ case 6:
+ mask = 0x003;
+ break;
+ case 12:
+ mask = 0x0c3;
+ break;
+ case 18:
+ mask = 0x333;
+ break;
+ case 24:
+ mask = 0x3ff;
+ break;
+ case 30:
+ mask = 0xfff;
+ break;
+ default:
+ mask = VINO_FRAMERT_FULL;
+ }
+ vcs->framert_reg = VINO_FRAMERT_RT(mask);
+ break;
+ case VINO_DATA_NORM_PAL:
+ case VINO_DATA_NORM_SECAM:
+ fps = (unsigned int)(fps / 5) * 5; // FIXME: round!
+
+ if (fps < vino_data_norms[vcs->data_norm].fps_min)
+ fps = vino_data_norms[vcs->data_norm].fps_min;
+ if (fps > vino_data_norms[vcs->data_norm].fps_max)
+ fps = vino_data_norms[vcs->data_norm].fps_max;
+
+ switch (fps) {
+ case 5:
+ mask = 0x003;
+ break;
+ case 10:
+ mask = 0x0c3;
+ break;
+ case 15:
+ mask = 0x333;
+ break;
+ case 20:
+ mask = 0x0ff;
+ break;
+ case 25:
+ mask = 0x3ff;
+ break;
+ default:
+ mask = VINO_FRAMERT_FULL;
+ }
+ vcs->framert_reg = VINO_FRAMERT_RT(mask) | VINO_FRAMERT_PAL;
+ break;
+ }
+
+ vcs->fps = fps;
+}
+
+/* execute with input_lock locked */
+static void vino_set_default_framerate(struct vino_channel_settings *vcs)
+{
+ vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max);
+}
+
+/*
+ * Prepare VINO for DMA transfer...
+ * (execute only with vino_lock and input_lock locked)
+ */
+static int vino_dma_setup(struct vino_channel_settings *vcs,
+ struct vino_framebuffer *fb)
+{
+ u32 ctrl, intr;
+ struct sgi_vino_channel *ch;
+ const struct vino_data_norm *norm;
+
+ dprintk("vino_dma_setup():\n");
+
+ vcs->field = 0;
+ fb->frame_counter = 0;
+
+ ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b;
+ norm = &vino_data_norms[vcs->data_norm];
+
+ ch->page_index = 0;
+ ch->line_count = 0;
+
+ /* VINO line size register is set 8 bytes less than actual */
+ ch->line_size = vcs->line_size - 8;
+
+ /* let VINO know where to transfer data */
+ ch->start_desc_tbl = fb->desc_table.dma;
+ ch->next_4_desc = fb->desc_table.dma;
+
+ /* give vino time to fetch the first four descriptors, 5 usec
+ * should be more than enough time */
+ udelay(VINO_DESC_FETCH_DELAY);
+
+ /* set the alpha register */
+ ch->alpha = vcs->alpha;
+
+ /* set clipping registers */
+ ch->clip_start = VINO_CLIP_ODD(norm->odd.top + vcs->clipping.top / 2) |
+ VINO_CLIP_EVEN(norm->even.top +
+ vcs->clipping.top / 2) |
+ VINO_CLIP_X(vcs->clipping.left);
+ ch->clip_end = VINO_CLIP_ODD(norm->odd.top +
+ vcs->clipping.bottom / 2 - 1) |
+ 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) /
+ vcs->decimation) *
+ ((vcs->clipping.bottom - vcs->clipping.top) /
+ vcs->decimation) *
+ vino_data_formats[vcs->data_format].bpp;
+
+ ch->frame_rate = vcs->framert_reg;
+
+ ctrl = vino->control;
+ intr = vino->intr_status;
+
+ if (vcs->channel == VINO_CHANNEL_A) {
+ /* All interrupt conditions for this channel was cleared
+ * so clear the interrupt status register and enable
+ * interrupts */
+ intr &= ~VINO_INTSTAT_A;
+ ctrl |= VINO_CTRL_A_INT;
+
+ /* enable synchronization */
+ ctrl |= VINO_CTRL_A_SYNC_ENBL;
+
+ /* enable frame assembly */
+ ctrl |= VINO_CTRL_A_INTERLEAVE_ENBL;
+
+ /* set decimation used */
+ if (vcs->decimation < 2)
+ ctrl &= ~VINO_CTRL_A_DEC_ENBL;
+ else {
+ ctrl |= VINO_CTRL_A_DEC_ENBL;
+ ctrl &= ~VINO_CTRL_A_DEC_SCALE_MASK;
+ ctrl |= (vcs->decimation - 1) <<
+ VINO_CTRL_A_DEC_SCALE_SHIFT;
+ }
+
+ /* select input interface */
+ if (vcs->input == VINO_INPUT_D1)
+ ctrl |= VINO_CTRL_A_SELECT;
+ else
+ ctrl &= ~VINO_CTRL_A_SELECT;
+
+ /* palette */
+ ctrl &= ~(VINO_CTRL_A_LUMA_ONLY | VINO_CTRL_A_RGB |
+ VINO_CTRL_A_DITHER);
+ } else {
+ intr &= ~VINO_INTSTAT_B;
+ ctrl |= VINO_CTRL_B_INT;
+
+ ctrl |= VINO_CTRL_B_SYNC_ENBL;
+ ctrl |= VINO_CTRL_B_INTERLEAVE_ENBL;
+
+ if (vcs->decimation < 2)
+ ctrl &= ~VINO_CTRL_B_DEC_ENBL;
+ else {
+ ctrl |= VINO_CTRL_B_DEC_ENBL;
+ ctrl &= ~VINO_CTRL_B_DEC_SCALE_MASK;
+ ctrl |= (vcs->decimation - 1) <<
+ VINO_CTRL_B_DEC_SCALE_SHIFT;
+
+ }
+ if (vcs->input == VINO_INPUT_D1)
+ ctrl |= VINO_CTRL_B_SELECT;
+ else
+ ctrl &= ~VINO_CTRL_B_SELECT;
+
+ ctrl &= ~(VINO_CTRL_B_LUMA_ONLY | VINO_CTRL_B_RGB |
+ VINO_CTRL_B_DITHER);
+ }
+
+ /* set palette */
+ fb->data_format = vcs->data_format;
+
+ switch (vcs->data_format) {
+ case VINO_DATA_FMT_GREY:
+ ctrl |= (vcs->channel == VINO_CHANNEL_A) ?
+ VINO_CTRL_A_LUMA_ONLY : VINO_CTRL_B_LUMA_ONLY;
+ break;
+ case VINO_DATA_FMT_RGB32:
+ ctrl |= (vcs->channel == VINO_CHANNEL_A) ?
+ VINO_CTRL_A_RGB : VINO_CTRL_B_RGB;
+ break;
+ case VINO_DATA_FMT_YUV:
+ /* nothing needs to be done */
+ break;
+ case VINO_DATA_FMT_RGB332:
+ ctrl |= (vcs->channel == VINO_CHANNEL_A) ?
+ VINO_CTRL_A_RGB | VINO_CTRL_A_DITHER :
+ VINO_CTRL_B_RGB | VINO_CTRL_B_DITHER;
+ break;
+ }
+
+ vino->intr_status = intr;
+ vino->control = ctrl;
+
+ return 0;
+}
+
+/* (execute only with vino_lock locked) */
+static void vino_dma_start(struct vino_channel_settings *vcs)
+{
+ u32 ctrl = vino->control;
+
+ dprintk("vino_dma_start():\n");
+ ctrl |= (vcs->channel == VINO_CHANNEL_A) ?
+ VINO_CTRL_A_DMA_ENBL : VINO_CTRL_B_DMA_ENBL;
+ vino->control = ctrl;
+}
+
+/* (execute only with vino_lock locked) */
+static 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;
+ vino->control = ctrl;
+ dprintk("vino_dma_stop():\n");
+}
+
+/*
+ * Load dummy page to descriptor registers. This prevents generating of
+ * spurious interrupts. (execute only with vino_lock locked)
+ */
+static void vino_clear_interrupt(struct vino_channel_settings *vcs)
+{
+ struct sgi_vino_channel *ch;
+
+ ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b;
+
+ ch->page_index = 0;
+ ch->line_count = 0;
+
+ ch->start_desc_tbl = vino_drvdata->dummy_desc_table.dma;
+ ch->next_4_desc = vino_drvdata->dummy_desc_table.dma;
+
+ udelay(VINO_DESC_FETCH_DELAY);
+ dprintk("channel %c clear interrupt condition\n",
+ (vcs->channel == VINO_CHANNEL_A) ? 'A':'B');
+}
+
+static int vino_capture(struct vino_channel_settings *vcs,
+ struct vino_framebuffer *fb)
+{
+ int err = 0;
+ unsigned long flags, flags2;
+
+ spin_lock_irqsave(&fb->state_lock, flags);
+
+ if (fb->state == VINO_FRAMEBUFFER_IN_USE)
+ err = -EBUSY;
+ fb->state = VINO_FRAMEBUFFER_IN_USE;
+
+ spin_unlock_irqrestore(&fb->state_lock, flags);
+
+ if (err)
+ return err;
+
+ spin_lock_irqsave(&vino_drvdata->vino_lock, flags);
+ spin_lock_irqsave(&vino_drvdata->input_lock, flags2);
+
+ vino_dma_setup(vcs, fb);
+ vino_dma_start(vcs);
+
+ spin_unlock_irqrestore(&vino_drvdata->input_lock, flags2);
+ spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags);
+
+ return err;
+}
+
+static
+struct vino_framebuffer *vino_capture_enqueue(struct
+ vino_channel_settings *vcs,
+ unsigned int index)
+{
+ struct vino_framebuffer *fb;
+ unsigned long flags;
+
+ dprintk("vino_capture_enqueue():\n");
+
+ spin_lock_irqsave(&vcs->capture_lock, flags);
+
+ fb = vino_queue_add(&vcs->fb_queue, index);
+ if (fb == NULL) {
+ dprintk("vino_capture_enqueue(): vino_queue_add() failed, "
+ "queue full?\n");
+ goto out;
+ }
+out:
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+
+ return fb;
+}
+
+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;
+
+ dprintk("vino_capture_next():\n");
+
+ spin_lock_irqsave(&vcs->capture_lock, flags);
+
+ if (start) {
+ /* start capture only if capture isn't in progress already */
+ if (vcs->capturing) {
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+ return 0;
+ }
+
+ } else {
+ /* capture next frame:
+ * stop capture if capturing is not set */
+ if (!vcs->capturing) {
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+ return 0;
+ }
+ }
+
+ err = vino_queue_get_incoming(&vcs->fb_queue, &incoming);
+ if (err) {
+ dprintk("vino_capture_next(): vino_queue_get_incoming() "
+ "failed\n");
+ err = -EINVAL;
+ goto out;
+ }
+ if (incoming == 0) {
+ dprintk("vino_capture_next(): no buffers available\n");
+ goto out;
+ }
+
+ fb = vino_queue_peek(&vcs->fb_queue, &id);
+ if (fb == NULL) {
+ dprintk("vino_capture_next(): vino_queue_peek() failed\n");
+ err = -EINVAL;
+ 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;
+ }
+
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+
+ err = vino_capture(vcs, fb);
+
+ return err;
+
+out:
+ vcs->capturing = 0;
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+
+ return err;
+}
+
+static int vino_is_capturing(struct vino_channel_settings *vcs)
+{
+ int ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&vcs->capture_lock, flags);
+
+ ret = vcs->capturing;
+
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+
+ return ret;
+}
+
+/* waits until a frame is captured */
+static int vino_wait_for_frame(struct vino_channel_settings *vcs)
+{
+ wait_queue_t wait;
+ int err = 0;
+
+ dprintk("vino_wait_for_frame():\n");
+
+ init_waitqueue_entry(&wait, current);
+ /* add ourselves into wait queue */
+ add_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait);
+ /* and set current state */
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ /* to ensure that schedule_timeout will return immediately
+ * if VINO interrupt was triggred meanwhile */
+ schedule_timeout(HZ / 10);
+
+ if (signal_pending(current))
+ err = -EINTR;
+
+ remove_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait);
+
+ dprintk("vino_wait_for_frame(): waiting for frame %s\n",
+ err ? "failed" : "ok");
+
+ return err;
+}
+
+/* the function assumes that PAGE_SIZE % 4 == 0 */
+static void vino_convert_to_rgba(struct vino_framebuffer *fb) {
+ unsigned char *pageptr;
+ unsigned int page, i;
+ unsigned char a;
+
+ for (page = 0; page < fb->desc_table.page_count; page++) {
+ pageptr = (unsigned char *)fb->desc_table.virtual[page];
+
+ for (i = 0; i < PAGE_SIZE; i += 4) {
+ a = pageptr[0];
+ pageptr[0] = pageptr[3];
+ pageptr[1] = pageptr[2];
+ pageptr[2] = pageptr[1];
+ pageptr[3] = a;
+ pageptr += 4;
+ }
+ }
+}
+
+/* checks if the buffer is in correct state and syncs data */
+static int vino_check_buffer(struct vino_channel_settings *vcs,
+ struct vino_framebuffer *fb)
+{
+ int err = 0;
+ unsigned long flags;
+
+ dprintk("vino_check_buffer():\n");
+
+ spin_lock_irqsave(&fb->state_lock, flags);
+ switch (fb->state) {
+ case VINO_FRAMEBUFFER_IN_USE:
+ err = -EIO;
+ break;
+ case VINO_FRAMEBUFFER_READY:
+ vino_sync_buffer(fb);
+ fb->state = VINO_FRAMEBUFFER_UNUSED;
+ break;
+ default:
+ err = -EINVAL;
+ }
+ spin_unlock_irqrestore(&fb->state_lock, flags);
+
+ if (!err) {
+ if (vino_pixel_conversion
+ && (fb->data_format == VINO_DATA_FMT_RGB32)) {
+ vino_convert_to_rgba(fb);
+ }
+ } else if (err && (err != -EINVAL)) {
+ dprintk("vino_check_buffer(): buffer not ready\n");
+
+ spin_lock_irqsave(&vino_drvdata->vino_lock, flags);
+ vino_dma_stop(vcs);
+ vino_clear_interrupt(vcs);
+ spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags);
+ }
+
+ return err;
+}
+
+/* forcefully terminates capture */
+static void vino_capture_stop(struct vino_channel_settings *vcs)
+{
+ unsigned int incoming = 0, outgoing = 0, id;
+ unsigned long flags, flags2;
+
+ dprintk("vino_capture_stop():\n");
+
+ spin_lock_irqsave(&vcs->capture_lock, flags);
+ /* unset capturing to stop queue processing */
+ vcs->capturing = 0;
+
+ spin_lock_irqsave(&vino_drvdata->vino_lock, flags2);
+
+ vino_dma_stop(vcs);
+ vino_clear_interrupt(vcs);
+
+ spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags2);
+
+ /* remove all items from the queue */
+ if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) {
+ dprintk("vino_capture_stop(): "
+ "vino_queue_get_incoming() failed\n");
+ goto out;
+ }
+ while (incoming > 0) {
+ vino_queue_transfer(&vcs->fb_queue);
+
+ if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) {
+ dprintk("vino_capture_stop(): "
+ "vino_queue_get_incoming() failed\n");
+ goto out;
+ }
+ }
+
+ if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) {
+ dprintk("vino_capture_stop(): "
+ "vino_queue_get_outgoing() failed\n");
+ goto out;
+ }
+ while (outgoing > 0) {
+ vino_queue_remove(&vcs->fb_queue, &id);
+
+ if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) {
+ dprintk("vino_capture_stop(): "
+ "vino_queue_get_outgoing() failed\n");
+ goto out;
+ }
+ }
+
+out:
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+}
+
+static int vino_capture_failed(struct vino_channel_settings *vcs)
+{
+ struct vino_framebuffer *fb;
+ unsigned long flags;
+ unsigned int i;
+ int ret;
+
+ dprintk("vino_capture_failed():\n");
+
+ spin_lock_irqsave(&vino_drvdata->vino_lock, flags);
+
+ vino_dma_stop(vcs);
+ vino_clear_interrupt(vcs);
+
+ spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags);
+
+ ret = vino_queue_get_incoming(&vcs->fb_queue, &i);
+ if (ret == VINO_QUEUE_ERROR) {
+ dprintk("vino_queue_get_incoming() failed\n");
+ return -EINVAL;
+ }
+ if (i == 0) {
+ /* no buffers to process */
+ return 0;
+ }
+
+ fb = vino_queue_peek(&vcs->fb_queue, &i);
+ if (fb == NULL) {
+ dprintk("vino_queue_peek() failed\n");
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&fb->state_lock, flags);
+ if (fb->state == VINO_FRAMEBUFFER_IN_USE) {
+ fb->state = VINO_FRAMEBUFFER_UNUSED;
+ vino_queue_transfer(&vcs->fb_queue);
+ vino_queue_remove(&vcs->fb_queue, &i);
+ /* we should actually discard the newest frame,
+ * but who cares ... */
+ }
+ spin_unlock_irqrestore(&fb->state_lock, flags);
+
+ return 0;
+}
+
+static void vino_frame_done(struct vino_channel_settings *vcs,
+ unsigned int fc)
+{
+ struct vino_framebuffer *fb;
+ unsigned long flags;
+
+ spin_lock_irqsave(&vcs->capture_lock, flags);
+ fb = vino_queue_transfer(&vcs->fb_queue);
+ if (!fb) {
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+ dprintk("vino_frame_done(): vino_queue_transfer() failed!\n");
+ return;
+ }
+ spin_unlock_irqrestore(&vcs->capture_lock, flags);
+
+ fb->frame_counter = fc;
+ do_gettimeofday(&fb->timestamp);
+
+ spin_lock_irqsave(&fb->state_lock, flags);
+ if (fb->state == VINO_FRAMEBUFFER_IN_USE)
+ fb->state = VINO_FRAMEBUFFER_READY;
+ spin_unlock_irqrestore(&fb->state_lock, flags);
+
+ wake_up(&vcs->fb_queue.frame_wait_queue);
+
+ vino_capture_next(vcs, 0);
+}
+
+static irqreturn_t vino_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ u32 intr;
+ unsigned int fc_a, fc_b;
+ int done_a = 0;
+ int done_b = 0;
+
+ 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) {
+ vino_dma_stop(&vino_drvdata->a);
+ vino_clear_interrupt(&vino_drvdata->a);
+ vino_drvdata->a.field = 0;
+ done_a = 1;
+ }
+ 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);
+ }
+ }
+ 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("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;
+
+ 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);
+ }
- return -EINVAL;
+ return IRQ_HANDLED;
}
-static const struct video_device vino_device = {
+/* VINO video input management */
+
+static int vino_get_saa7191_input(int input)
+{
+ switch (input) {
+ case VINO_INPUT_COMPOSITE:
+ return SAA7191_INPUT_COMPOSITE;
+ case VINO_INPUT_SVIDEO:
+ return SAA7191_INPUT_SVIDEO;
+ default:
+ printk(KERN_ERR "VINO: vino_get_saa7191_input(): "
+ "invalid input!\n");
+ return -1;
+ }
+}
+
+static int vino_get_saa7191_norm(int norm)
+{
+ switch (norm) {
+ case VINO_DATA_NORM_AUTO:
+ return SAA7191_NORM_AUTO;
+ case VINO_DATA_NORM_PAL:
+ return SAA7191_NORM_PAL;
+ case VINO_DATA_NORM_NTSC:
+ return SAA7191_NORM_NTSC;
+ case VINO_DATA_NORM_SECAM:
+ return SAA7191_NORM_SECAM;
+ default:
+ printk(KERN_ERR "VINO: vino_get_saa7191_norm(): "
+ "invalid norm!\n");
+ return -1;
+ }
+}
+
+/* execute with input_lock locked */
+static int vino_is_input_owner(struct vino_channel_settings *vcs)
+{
+ switch(vcs->input) {
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+ return (vino_drvdata->decoder.owner == vcs->channel);
+ case VINO_INPUT_D1:
+ return (vino_drvdata->camera.owner == vcs->channel);
+ default:
+ return 0;
+ }
+}
+
+static int vino_acquire_input(struct vino_channel_settings *vcs)
+{
+ int ret = 0;
+
+ dprintk("vino_acquire_input():\n");
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ /* First try D1 and then SAA7191 */
+ if (vino_drvdata->camera.driver
+ && (vino_drvdata->camera.owner == VINO_NO_CHANNEL)) {
+ if (i2c_use_client(vino_drvdata->camera.driver)) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ vino_drvdata->camera.owner = vcs->channel;
+ vcs->input = VINO_INPUT_D1;
+ vcs->data_norm = VINO_DATA_NORM_D1;
+ } else if (vino_drvdata->decoder.driver
+ && (vino_drvdata->decoder.owner == VINO_NO_CHANNEL)) {
+ 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;
+
+ 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);
+ } else {
+ vcs->input = (vcs->channel == VINO_CHANNEL_A) ?
+ vino_drvdata->b.input : vino_drvdata->a.input;
+ vcs->data_norm = (vcs->channel == VINO_CHANNEL_A) ?
+ vino_drvdata->b.data_norm : vino_drvdata->a.data_norm;
+ }
+
+ if (vcs->input == VINO_INPUT_NONE) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ if (vino_is_input_owner(vcs)) {
+ vino_set_default_clipping(vcs);
+ vino_set_default_framerate(vcs);
+ }
+
+ dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name);
+
+out:
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return ret;
+}
+
+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;
+ int ret = 0;
+
+ dprintk("vino_set_input():\n");
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ if (vcs->input == input)
+ goto out;
+
+ switch(input) {
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+ if (!vino_drvdata->decoder.driver) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (vino_drvdata->decoder.owner == VINO_NO_CHANNEL) {
+ if (i2c_use_client(vino_drvdata->decoder.driver)) {
+ ret = -ENODEV;
+ goto out;
+ }
+ vino_drvdata->decoder.owner = vcs->channel;
+ }
+
+ if (vino_drvdata->decoder.owner == vcs->channel) {
+ int saa7191_input;
+ int saa7191_norm;
+
+ vcs->input = input;
+ vcs->data_norm = VINO_DATA_NORM_PAL;
+
+ 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);
+ } else {
+ if (vcs2->input != input) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ vcs->input = input;
+ vcs->data_norm = vcs2->data_norm;
+ }
+
+ if (vino_drvdata->camera.owner == vcs->channel) {
+ /* Transfer the ownership or release the input */
+ if (vcs2->input == VINO_INPUT_D1) {
+ vino_drvdata->camera.owner = vcs2->channel;
+ } else {
+ i2c_release_client(vino_drvdata->
+ camera.driver);
+ vino_drvdata->camera.owner = VINO_NO_CHANNEL;
+ }
+ }
+ break;
+ case VINO_INPUT_D1:
+ if (!vino_drvdata->camera.driver) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (vino_drvdata->camera.owner == VINO_NO_CHANNEL) {
+ if (i2c_use_client(vino_drvdata->camera.driver)) {
+ ret = -ENODEV;
+ goto out;
+ }
+ vino_drvdata->camera.owner = vcs->channel;
+ }
+
+ if (vino_drvdata->decoder.owner == vcs->channel) {
+ /* Transfer the ownership or release the input */
+ if ((vcs2->input == VINO_INPUT_COMPOSITE) ||
+ (vcs2->input == VINO_INPUT_SVIDEO)) {
+ vino_drvdata->decoder.owner = vcs2->channel;
+ } else {
+ i2c_release_client(vino_drvdata->
+ decoder.driver);
+ vino_drvdata->decoder.owner = VINO_NO_CHANNEL;
+ }
+ }
+
+ vcs->input = input;
+ vcs->data_norm = VINO_DATA_NORM_D1;
+ break;
+ default:
+ ret = -EINVAL;
+ goto out;
+ }
+
+ vino_set_default_clipping(vcs);
+ vino_set_default_framerate(vcs);
+
+ dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name);
+
+out:
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return ret;
+}
+
+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;
+
+ dprintk("vino_release_input():\n");
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ /* Release ownership of the channel
+ * and if the other channel takes input from
+ * the same source, transfer the ownership */
+ if (vino_drvdata->camera.owner == vcs->channel) {
+ if (vcs2->input == VINO_INPUT_D1) {
+ vino_drvdata->camera.owner = vcs2->channel;
+ } else {
+ i2c_release_client(vino_drvdata->camera.driver);
+ vino_drvdata->camera.owner = VINO_NO_CHANNEL;
+ }
+ } else if (vino_drvdata->decoder.owner == vcs->channel) {
+ if ((vcs2->input == VINO_INPUT_COMPOSITE) ||
+ (vcs2->input == VINO_INPUT_SVIDEO)) {
+ vino_drvdata->decoder.owner = vcs2->channel;
+ } else {
+ i2c_release_client(vino_drvdata->decoder.driver);
+ vino_drvdata->decoder.owner = VINO_NO_CHANNEL;
+ }
+ }
+ vcs->input = VINO_INPUT_NONE;
+
+ spin_unlock(&vino_drvdata->input_lock);
+}
+
+/* execute with input_lock locked */
+static int vino_set_data_norm(struct vino_channel_settings *vcs,
+ unsigned int data_norm)
+{
+ int saa7191_norm;
+
+ switch (vcs->input) {
+ case VINO_INPUT_D1:
+ /* only one "norm" supported */
+ if (data_norm != VINO_DATA_NORM_D1)
+ return -EINVAL;
+ break;
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+
+ saa7191_norm = vino_get_saa7191_norm(data_norm);
+
+ i2c_decoder_command(DECODER_SAA7191_SET_NORM, &saa7191_norm);
+ vcs->data_norm = data_norm;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* V4L2 helper functions */
+
+static int vino_find_data_format(__u32 pixelformat)
+{
+ int i;
+
+ for (i = 0; i < VINO_DATA_FMT_COUNT; i++) {
+ if (vino_data_formats[i].pixelformat == pixelformat)
+ return i;
+ }
+
+ return VINO_DATA_FMT_NONE;
+}
+
+static int vino_enum_data_norm(struct vino_channel_settings *vcs, __u32 index)
+{
+ int data_norm = VINO_DATA_NORM_NONE;
+
+ spin_lock(&vino_drvdata->input_lock);
+ switch(vcs->input) {
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+ if (index == 0) {
+ data_norm = VINO_DATA_NORM_PAL;
+ } else if (index == 1) {
+ data_norm = VINO_DATA_NORM_NTSC;
+ } else if (index == 2) {
+ data_norm = VINO_DATA_NORM_SECAM;
+ }
+ break;
+ case VINO_INPUT_D1:
+ if (index == 0) {
+ data_norm = VINO_DATA_NORM_D1;
+ }
+ break;
+ }
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return data_norm;
+}
+
+static int vino_enum_input(struct vino_channel_settings *vcs, __u32 index)
+{
+ int input = VINO_INPUT_NONE;
+
+ spin_lock(&vino_drvdata->input_lock);
+ if (vino_drvdata->decoder.driver && vino_drvdata->camera.driver) {
+ switch (index) {
+ case 0:
+ input = VINO_INPUT_COMPOSITE;
+ break;
+ case 1:
+ input = VINO_INPUT_SVIDEO;
+ break;
+ case 2:
+ input = VINO_INPUT_D1;
+ break;
+ }
+ } else if (vino_drvdata->decoder.driver) {
+ switch (index) {
+ case 0:
+ input = VINO_INPUT_COMPOSITE;
+ break;
+ case 1:
+ input = VINO_INPUT_SVIDEO;
+ break;
+ }
+ } else if (vino_drvdata->camera.driver) {
+ switch (index) {
+ case 0:
+ input = VINO_INPUT_D1;
+ break;
+ }
+ }
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return input;
+}
+
+/* execute with input_lock locked */
+static __u32 vino_find_input_index(struct vino_channel_settings *vcs)
+{
+ __u32 index = 0;
+ // FIXME: detect when no inputs available
+
+ if (vino_drvdata->decoder.driver && vino_drvdata->camera.driver) {
+ switch (vcs->input) {
+ case VINO_INPUT_COMPOSITE:
+ index = 0;
+ break;
+ case VINO_INPUT_SVIDEO:
+ index = 1;
+ break;
+ case VINO_INPUT_D1:
+ index = 2;
+ break;
+ }
+ } else if (vino_drvdata->decoder.driver) {
+ switch (vcs->input) {
+ case VINO_INPUT_COMPOSITE:
+ index = 0;
+ break;
+ case VINO_INPUT_SVIDEO:
+ index = 1;
+ break;
+ }
+ } else if (vino_drvdata->camera.driver) {
+ switch (vcs->input) {
+ case VINO_INPUT_D1:
+ index = 0;
+ break;
+ }
+ }
+
+ return index;
+}
+
+/* V4L2 ioctls */
+
+static void vino_v4l2_querycap(struct v4l2_capability *cap)
+{
+ memset(cap, 0, sizeof(struct v4l2_capability));
+
+ strcpy(cap->driver, vino_driver_name);
+ strcpy(cap->card, vino_driver_description);
+ strcpy(cap->bus_info, vino_bus_name);
+ cap->version = VINO_VERSION_CODE;
+ cap->capabilities =
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_STREAMING;
+ // V4L2_CAP_OVERLAY, V4L2_CAP_READWRITE
+}
+
+static int vino_v4l2_enuminput(struct vino_channel_settings *vcs,
+ struct v4l2_input *i)
+{
+ __u32 index = i->index;
+ int input;
+ dprintk("requested index = %d\n", index);
+
+ input = vino_enum_input(vcs, index);
+ if (input == VINO_INPUT_NONE)
+ 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);
+
+ if ((input == VINO_INPUT_COMPOSITE)
+ || (input == VINO_INPUT_SVIDEO)) {
+ struct saa7191_status status;
+ i2c_decoder_command(DECODER_SAA7191_GET_STATUS, &status);
+ i->status |= status.signal ? 0 : V4L2_IN_ST_NO_SIGNAL;
+ i->status |= status.color ? 0 : V4L2_IN_ST_NO_COLOR;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_g_input(struct vino_channel_settings *vcs,
+ struct v4l2_input *i)
+{
+ __u32 index;
+ int input;
+
+ spin_lock(&vino_drvdata->input_lock);
+ input = vcs->input;
+ index = vino_find_input_index(vcs);
+ spin_unlock(&vino_drvdata->input_lock);
+
+ dprintk("input = %d\n", input);
+
+ if (input == VINO_INPUT_NONE) {
+ 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);
+
+ return 0;
+}
+
+static int vino_v4l2_s_input(struct vino_channel_settings *vcs,
+ struct v4l2_input *i)
+{
+ int input;
+ dprintk("requested input = %d\n", i->index);
+
+ input = vino_enum_input(vcs, i->index);
+ if (input == VINO_INPUT_NONE)
+ return -EINVAL;
+
+ return vino_set_input(vcs, input);
+}
+
+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);
+ dprintk("standard index = %d\n", index);
+
+ if (data_norm == VINO_DATA_NORM_NONE)
+ return -EINVAL;
+
+ dprintk("standard name = %s\n",
+ vino_data_norms[data_norm].description);
+
+ memset(s, 0, sizeof(struct v4l2_standard));
+ s->index = index;
+
+ s->id = vino_data_norms[data_norm].std;
+ s->frameperiod.numerator = 1;
+ s->frameperiod.denominator =
+ vino_data_norms[data_norm].fps_max;
+ s->framelines =
+ vino_data_norms[data_norm].framelines;
+ strcpy(s->name,
+ vino_data_norms[data_norm].description);
+
+ return 0;
+}
+
+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);
+ *std = vino_data_norms[vcs->data_norm].std;
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return 0;
+}
+
+static int vino_v4l2_s_std(struct vino_channel_settings *vcs,
+ v4l2_std_id *std)
+{
+ int ret = 0;
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ /* check if the standard is valid for the current input */
+ if (vino_is_input_owner(vcs)
+ && (vino_inputs[vcs->input].std & (*std))) {
+ dprintk("standard accepted\n");
+
+ /* change the video norm for SAA7191
+ * and accept NTSC for D1 (do nothing) */
+
+ 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;
+ } else if ((*std) & V4L2_STD_NTSC) {
+ vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC);
+ vcs->data_norm = VINO_DATA_NORM_NTSC;
+ } else if ((*std) & V4L2_STD_SECAM) {
+ vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM);
+ vcs->data_norm = VINO_DATA_NORM_SECAM;
+ } else {
+ ret = -EINVAL;
+ }
+ } else {
+ ret = -EINVAL;
+ }
+
+out:
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return ret;
+}
+
+static int vino_v4l2_enum_fmt(struct vino_channel_settings *vcs,
+ struct v4l2_fmtdesc *fd)
+{
+ enum v4l2_buf_type type = fd->type;
+ int index = fd->index;
+ dprintk("format index = %d\n", index);
+
+ switch (fd->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if ((fd->index < 0) ||
+ (fd->index >= VINO_DATA_FMT_COUNT))
+ return -EINVAL;
+ dprintk("format name = %s\n",
+ vino_data_formats[index].description);
+
+ memset(fd, 0, sizeof(struct v4l2_fmtdesc));
+ fd->index = index;
+ fd->type = type;
+ fd->pixelformat = vino_data_formats[index].pixelformat;
+ strcpy(fd->description, vino_data_formats[index].description);
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_try_fmt(struct vino_channel_settings *vcs,
+ struct v4l2_format *f)
+{
+ struct vino_channel_settings tempvcs;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ struct v4l2_pix_format *pf = &f->fmt.pix;
+
+ dprintk("requested: w = %d, h = %d\n",
+ pf->width, pf->height);
+
+ spin_lock(&vino_drvdata->input_lock);
+ memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings));
+ spin_unlock(&vino_drvdata->input_lock);
+
+ tempvcs.data_format = vino_find_data_format(pf->pixelformat);
+ if (tempvcs.data_format == VINO_DATA_FMT_NONE) {
+ tempvcs.data_format = VINO_DATA_FMT_RGB32;
+ pf->pixelformat =
+ vino_data_formats[tempvcs.data_format].
+ pixelformat;
+ }
+
+ /* data format must be set before clipping/scaling */
+ vino_set_scaling(&tempvcs, pf->width, pf->height);
+
+ dprintk("data format = %s\n",
+ vino_data_formats[tempvcs.data_format].description);
+
+ pf->width = (tempvcs.clipping.right - tempvcs.clipping.left) /
+ tempvcs.decimation;
+ pf->height = (tempvcs.clipping.bottom - tempvcs.clipping.top) /
+ tempvcs.decimation;
+
+ pf->field = V4L2_FIELD_INTERLACED;
+ pf->bytesperline = tempvcs.line_size;
+ pf->sizeimage = tempvcs.line_size *
+ (tempvcs.clipping.bottom - tempvcs.clipping.top) /
+ tempvcs.decimation;
+ pf->colorspace =
+ vino_data_formats[tempvcs.data_format].colorspace;
+
+ pf->priv = 0;
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_g_fmt(struct vino_channel_settings *vcs,
+ struct v4l2_format *f)
+{
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ struct v4l2_pix_format *pf = &f->fmt.pix;
+ spin_lock(&vino_drvdata->input_lock);
+
+ pf->width = (vcs->clipping.right - vcs->clipping.left) /
+ vcs->decimation;
+ pf->height = (vcs->clipping.bottom - vcs->clipping.top) /
+ vcs->decimation;
+ pf->pixelformat =
+ vino_data_formats[vcs->data_format].pixelformat;
+
+ pf->field = V4L2_FIELD_INTERLACED;
+ pf->bytesperline = vcs->line_size;
+ pf->sizeimage = vcs->line_size *
+ (vcs->clipping.bottom - vcs->clipping.top) /
+ vcs->decimation;
+ pf->colorspace =
+ vino_data_formats[vcs->data_format].colorspace;
+
+ pf->priv = 0;
+
+ spin_unlock(&vino_drvdata->input_lock);
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_s_fmt(struct vino_channel_settings *vcs,
+ struct v4l2_format *f)
+{
+ int data_format;
+
+ 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;
+ }
+
+ data_format = vino_find_data_format(pf->pixelformat);
+ if (data_format == VINO_DATA_FMT_NONE) {
+ vcs->data_format = VINO_DATA_FMT_RGB32;
+ pf->pixelformat =
+ vino_data_formats[vcs->data_format].
+ pixelformat;
+ } else {
+ vcs->data_format = data_format;
+ }
+
+ /* data format must be set before clipping/scaling */
+ vino_set_scaling(vcs, pf->width, pf->height);
+
+ dprintk("data format = %s\n",
+ vino_data_formats[vcs->data_format].description);
+
+ pf->width = vcs->clipping.right - vcs->clipping.left;
+ pf->height = vcs->clipping.bottom - vcs->clipping.top;
+
+ pf->field = V4L2_FIELD_INTERLACED;
+ pf->bytesperline = vcs->line_size;
+ pf->sizeimage = vcs->line_size *
+ (vcs->clipping.bottom - vcs->clipping.top) /
+ vcs->decimation;
+ pf->colorspace =
+ vino_data_formats[vcs->data_format].colorspace;
+
+ pf->priv = 0;
+
+ spin_unlock(&vino_drvdata->input_lock);
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_cropcap(struct vino_channel_settings *vcs,
+ struct v4l2_cropcap *ccap)
+{
+ const struct vino_data_norm *norm;
+
+ switch (ccap->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ spin_lock(&vino_drvdata->input_lock);
+ norm = &vino_data_norms[vcs->data_norm];
+ spin_unlock(&vino_drvdata->input_lock);
+
+ ccap->bounds.left = 0;
+ ccap->bounds.top = 0;
+ ccap->bounds.width = norm->width;
+ ccap->bounds.height = norm->height;
+ memcpy(&ccap->defrect, &ccap->bounds,
+ sizeof(struct v4l2_rect));
+
+ ccap->pixelaspect.numerator = 1;
+ ccap->pixelaspect.denominator = 1;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_g_crop(struct vino_channel_settings *vcs,
+ struct v4l2_crop *c)
+{
+ switch (c->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ spin_lock(&vino_drvdata->input_lock);
+
+ 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);
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_s_crop(struct vino_channel_settings *vcs,
+ struct v4l2_crop *c)
+{
+ switch (c->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ spin_lock(&vino_drvdata->input_lock);
+
+ 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);
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_g_parm(struct vino_channel_settings *vcs,
+ struct v4l2_streamparm *sp)
+{
+ switch (sp->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ struct v4l2_captureparm *cp = &sp->parm.capture;
+ memset(cp, 0, sizeof(struct v4l2_captureparm));
+
+ cp->capability = V4L2_CAP_TIMEPERFRAME;
+ cp->timeperframe.numerator = 1;
+
+ spin_lock(&vino_drvdata->input_lock);
+ cp->timeperframe.denominator = vcs->fps;
+ spin_unlock(&vino_drvdata->input_lock);
+
+ // TODO: cp->readbuffers = xxx;
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_s_parm(struct vino_channel_settings *vcs,
+ struct v4l2_streamparm *sp)
+{
+ 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;
+ }
+
+ if ((cp->timeperframe.numerator == 0) ||
+ (cp->timeperframe.denominator == 0)) {
+ /* reset framerate */
+ vino_set_default_framerate(vcs);
+ } else {
+ vino_set_framerate(vcs, cp->timeperframe.denominator /
+ cp->timeperframe.numerator);
+ }
+ spin_unlock(&vino_drvdata->input_lock);
+
+ // TODO: set buffers according to cp->readbuffers
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_reqbufs(struct vino_channel_settings *vcs,
+ struct v4l2_requestbuffers *rb)
+{
+ if (vcs->reading)
+ return -EBUSY;
+
+ switch (rb->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ // TODO: check queue type
+ if (rb->memory != V4L2_MEMORY_MMAP) {
+ dprintk("type not mmap\n");
+ 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_queue_has_mapped_buffers(&vcs->fb_queue)) {
+ dprintk("busy, buffers still mapped\n");
+ return -EBUSY;
+ } else {
+ vino_queue_free(&vcs->fb_queue);
+ vino_queue_init(&vcs->fb_queue, &rb->count);
+ }
+ } else {
+ vino_capture_stop(vcs);
+ vino_queue_free(&vcs->fb_queue);
+ }
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs,
+ struct vino_framebuffer *fb,
+ struct v4l2_buffer *b)
+{
+ if (vino_queue_outgoing_contains(&vcs->fb_queue,
+ fb->id)) {
+ b->flags &= ~V4L2_BUF_FLAG_QUEUED;
+ b->flags |= V4L2_BUF_FLAG_DONE;
+ } else if (vino_queue_incoming_contains(&vcs->fb_queue,
+ fb->id)) {
+ b->flags &= ~V4L2_BUF_FLAG_DONE;
+ b->flags |= V4L2_BUF_FLAG_QUEUED;
+ } else {
+ b->flags &= ~(V4L2_BUF_FLAG_DONE |
+ V4L2_BUF_FLAG_QUEUED);
+ }
+
+ b->flags &= ~(V4L2_BUF_FLAG_TIMECODE);
+
+ if (fb->map_count > 0)
+ b->flags |= V4L2_BUF_FLAG_MAPPED;
+
+ b->index = fb->id;
+ b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ?
+ V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR;
+ b->m.offset = fb->offset;
+ b->bytesused = fb->data_size;
+ b->length = fb->size;
+ b->field = V4L2_FIELD_INTERLACED;
+ b->sequence = fb->frame_counter;
+ memcpy(&b->timestamp, &fb->timestamp,
+ sizeof(struct timeval));
+ // b->input ?
+
+ dprintk("buffer %d: length = %d, bytesused = %d, offset = %d\n",
+ fb->id, fb->size, fb->data_size, fb->offset);
+}
+
+static int vino_v4l2_querybuf(struct vino_channel_settings *vcs,
+ struct v4l2_buffer *b)
+{
+ if (vcs->reading)
+ return -EBUSY;
+
+ switch (b->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ struct vino_framebuffer *fb;
+
+ // TODO: check queue type
+ if (b->index >= vino_queue_get_length(&vcs->fb_queue)) {
+ dprintk("invalid index = %d\n",
+ b->index);
+ return -EINVAL;
+ }
+
+ fb = vino_queue_get_buffer(&vcs->fb_queue,
+ b->index);
+ if (fb == NULL) {
+ dprintk("vino_queue_get_buffer() failed");
+ return -EINVAL;
+ }
+
+ vino_v4l2_get_buffer_status(vcs, fb, b);
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_qbuf(struct vino_channel_settings *vcs,
+ struct v4l2_buffer *b)
+{
+ if (vcs->reading)
+ return -EBUSY;
+
+ switch (b->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ struct vino_framebuffer *fb;
+ int ret;
+
+ // TODO: check queue type
+ if (b->memory != V4L2_MEMORY_MMAP) {
+ dprintk("type not mmap\n");
+ return -EINVAL;
+ }
+
+ fb = vino_capture_enqueue(vcs, b->index);
+ if (fb == NULL)
+ return -EINVAL;
+
+ vino_v4l2_get_buffer_status(vcs, fb, b);
+
+ if (vcs->streaming) {
+ ret = vino_capture_next(vcs, 1);
+ if (ret)
+ return ret;
+ }
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_dqbuf(struct vino_channel_settings *vcs,
+ struct v4l2_buffer *b,
+ unsigned int nonblocking)
+{
+ if (vcs->reading)
+ return -EBUSY;
+
+ switch (b->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ struct vino_framebuffer *fb;
+ unsigned int incoming, outgoing;
+ int err;
+
+ // TODO: check queue type
+
+ err = vino_queue_get_incoming(&vcs->fb_queue, &incoming);
+ if (err) {
+ dprintk("vino_queue_get_incoming() failed\n");
+ return -EIO;
+ }
+ err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing);
+ if (err) {
+ dprintk("vino_queue_get_outgoing() failed\n");
+ return -EIO;
+ }
+
+ dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing);
+
+ if (outgoing == 0) {
+ if (incoming == 0) {
+ dprintk("no incoming or outgoing buffers\n");
+ return -EINVAL;
+ }
+ if (nonblocking) {
+ dprintk("non-blocking I/O was selected and "
+ "there are no buffers to dequeue\n");
+ return -EAGAIN;
+ }
+
+ err = vino_wait_for_frame(vcs);
+ if (err) {
+ err = vino_wait_for_frame(vcs);
+ if (err) {
+ /* interrupted */
+ vino_capture_failed(vcs);
+ return -EIO;
+ }
+ }
+ }
+
+ fb = vino_queue_remove(&vcs->fb_queue, &b->index);
+ if (fb == NULL) {
+ dprintk("vino_queue_remove() failed\n");
+ return -EINVAL;
+ }
+
+ err = vino_check_buffer(vcs, fb);
+ if (err)
+ return -EIO;
+
+ vino_v4l2_get_buffer_status(vcs, fb, b);
+ break;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_streamon(struct vino_channel_settings *vcs)
+{
+ unsigned int incoming;
+ int ret;
+ if (vcs->reading)
+ return -EBUSY;
+
+ if (vcs->streaming)
+ return 0;
+
+ // TODO: check queue type
+
+ if (vino_queue_get_length(&vcs->fb_queue) < 1) {
+ dprintk("no buffers allocated\n");
+ return -EINVAL;
+ }
+
+ ret = vino_queue_get_incoming(&vcs->fb_queue, &incoming);
+ if (ret) {
+ dprintk("vino_queue_get_incoming() failed\n");
+ return -EINVAL;
+ }
+
+ vcs->streaming = 1;
+
+ if (incoming > 0) {
+ ret = vino_capture_next(vcs, 1);
+ if (ret) {
+ vcs->streaming = 0;
+
+ dprintk("couldn't start capture\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int vino_v4l2_streamoff(struct vino_channel_settings *vcs)
+{
+ if (vcs->reading)
+ return -EBUSY;
+
+ if (!vcs->streaming)
+ return 0;
+
+ vino_capture_stop(vcs);
+ vcs->streaming = 0;
+
+ return 0;
+}
+
+static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs,
+ struct v4l2_queryctrl *queryctrl)
+{
+ int i;
+ int err = 0;
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ switch (vcs->input) {
+ case VINO_INPUT_D1:
+ for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) {
+ if (vino_indycam_v4l2_controls[i].id ==
+ queryctrl->id) {
+ memcpy(queryctrl,
+ &vino_indycam_v4l2_controls[i],
+ sizeof(struct v4l2_queryctrl));
+ goto found;
+ }
+ }
+
+ err = -EINVAL;
+ break;
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+ for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) {
+ if (vino_saa7191_v4l2_controls[i].id ==
+ queryctrl->id) {
+ memcpy(queryctrl,
+ &vino_saa7191_v4l2_controls[i],
+ sizeof(struct v4l2_queryctrl));
+ goto found;
+ }
+ }
+
+ err = -EINVAL;
+ break;
+ default:
+ err = -EINVAL;
+ }
+
+ found:
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return err;
+}
+
+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;
+ int err = 0;
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ switch (vcs->input) {
+ case VINO_INPUT_D1:
+ i2c_camera_command(DECODER_INDYCAM_GET_CONTROLS,
+ &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:
+ err = -EINVAL;
+ }
+ break;
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+ i2c_decoder_command(DECODER_SAA7191_GET_CONTROLS,
+ &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:
+ err = -EINVAL;
+ }
+ break;
+ default:
+ err = -EINVAL;
+ }
+
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return err;
+}
+
+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;
+ int i;
+ int err = 0;
+
+ spin_lock(&vino_drvdata->input_lock);
+
+ switch (vcs->input) {
+ case VINO_INPUT_D1:
+ for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) {
+ if (vino_indycam_v4l2_controls[i].id ==
+ control->id) {
+ if ((control->value >=
+ vino_indycam_v4l2_controls[i].minimum)
+ && (control->value <=
+ vino_indycam_v4l2_controls[i].
+ maximum)) {
+ goto ok1;
+ } else {
+ err = -ERANGE;
+ goto error;
+ }
+ }
+ }
+ err = -EINVAL;
+ goto error;
+
+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;
+ }
+
+ if (!err)
+ i2c_camera_command(DECODER_INDYCAM_SET_CONTROLS,
+ &indycam_ctrl);
+ break;
+ case VINO_INPUT_COMPOSITE:
+ case VINO_INPUT_SVIDEO:
+ for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) {
+ if (vino_saa7191_v4l2_controls[i].id ==
+ control->id) {
+ if ((control->value >=
+ vino_saa7191_v4l2_controls[i].minimum)
+ && (control->value <=
+ vino_saa7191_v4l2_controls[i].
+ maximum)) {
+ goto ok2;
+ } else {
+ err = -ERANGE;
+ goto error;
+ }
+ }
+ }
+ err = -EINVAL;
+ goto error;
+
+ok2:
+ saa7191_ctrl.hue = SAA7191_VALUE_UNCHANGED;
+ saa7191_ctrl.vtrc = SAA7191_VALUE_UNCHANGED;
+
+ 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;
+ }
+
+ if (!err)
+ i2c_decoder_command(DECODER_SAA7191_SET_CONTROLS,
+ &saa7191_ctrl);
+ break;
+ default:
+ err = -EINVAL;
+ }
+
+error:
+ spin_unlock(&vino_drvdata->input_lock);
+
+ return err;
+}
+
+/* File operations */
+
+static int vino_open(struct inode *inode, struct file *file)
+{
+ struct video_device *dev = video_devdata(file);
+ struct vino_channel_settings *vcs = video_get_drvdata(dev);
+ int ret = 0;
+ dprintk("open(): channel = %c\n",
+ (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B');
+
+ down(&vcs->sem);
+
+ if (vcs->users) {
+ dprintk("open(): driver busy\n");
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ret = vino_acquire_input(vcs);
+ if (ret) {
+ dprintk("open(): vino_acquire_input() failed\n");
+ goto out;
+ }
+
+ vcs->users++;
+
+ out:
+ up(&vcs->sem);
+
+ dprintk("open(): %s!\n", ret ? "failed" : "complete");
+
+ return ret;
+}
+
+static int vino_close(struct inode *inode, struct file *file)
+{
+ struct video_device *dev = video_devdata(file);
+ struct vino_channel_settings *vcs = video_get_drvdata(dev);
+ dprintk("close():\n");
+
+ down(&vcs->sem);
+
+ vcs->users--;
+
+ if (!vcs->users) {
+ vino_release_input(vcs);
+
+ /* stop DMA and free buffers */
+ vino_capture_stop(vcs);
+ vino_queue_free(&vcs->fb_queue);
+ }
+
+ up(&vcs->sem);
+
+ return 0;
+}
+
+static void vino_vm_open(struct vm_area_struct *vma)
+{
+ struct vino_framebuffer *fb = vma->vm_private_data;
+
+ fb->map_count++;
+ dprintk("vino_vm_open(): count = %d\n", fb->map_count);
+}
+
+static void vino_vm_close(struct vm_area_struct *vma)
+{
+ struct vino_framebuffer *fb = vma->vm_private_data;
+
+ fb->map_count--;
+ dprintk("vino_vm_close(): count = %d\n", fb->map_count);
+}
+
+static struct vm_operations_struct vino_vm_ops = {
+ .open = vino_vm_open,
+ .close = vino_vm_close,
+};
+
+static int vino_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct video_device *dev = video_devdata(file);
+ struct vino_channel_settings *vcs = video_get_drvdata(dev);
+
+ unsigned long start = vma->vm_start;
+ unsigned long size = vma->vm_end - vma->vm_start;
+ unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+
+ struct vino_framebuffer *fb = NULL;
+ unsigned int i, length;
+ int ret = 0;
+
+ dprintk("mmap():\n");
+
+ // TODO: reject mmap if already mapped
+
+ if (down_interruptible(&vcs->sem))
+ return -EINTR;
+
+ if (vcs->reading) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ // TODO: check queue type
+
+ if (!(vma->vm_flags & VM_WRITE)) {
+ dprintk("mmap(): app bug: PROT_WRITE please\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ if (!(vma->vm_flags & VM_SHARED)) {
+ dprintk("mmap(): app bug: MAP_SHARED please\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* find the correct buffer using offset */
+ length = vino_queue_get_length(&vcs->fb_queue);
+ if (length == 0) {
+ dprintk("mmap(): queue not initialized\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < length; i++) {
+ fb = vino_queue_get_buffer(&vcs->fb_queue, i);
+ if (fb == NULL) {
+ dprintk("mmap(): vino_queue_get_buffer() failed\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (fb->offset == offset)
+ goto found;
+ }
+
+ dprintk("mmap(): invalid offset = %lu\n", offset);
+ ret = -EINVAL;
+ goto out;
+
+found:
+ dprintk("mmap(): buffer = %d\n", i);
+
+ if (size > (fb->desc_table.page_count * PAGE_SIZE)) {
+ dprintk("mmap(): failed: size = %lu > %lu\n",
+ size, fb->desc_table.page_count * PAGE_SIZE);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < fb->desc_table.page_count; i++) {
+ unsigned long pfn =
+ virt_to_phys((void *)fb->desc_table.virtual[i]) >>
+ PAGE_SHIFT;
+
+ if (size < PAGE_SIZE)
+ break;
+
+ // protection was: PAGE_READONLY
+ if (remap_pfn_range(vma, start, pfn, PAGE_SIZE,
+ vma->vm_page_prot)) {
+ dprintk("mmap(): remap_pfn_range() failed\n");
+ ret = -EAGAIN;
+ goto out;
+ }
+
+ start += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
+
+ fb->map_count = 1;
+
+ vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED;
+ vma->vm_flags &= ~VM_IO;
+ vma->vm_private_data = fb;
+ vma->vm_file = file;
+ vma->vm_ops = &vino_vm_ops;
+
+out:
+ up(&vcs->sem);
+
+ return ret;
+}
+
+static unsigned int vino_poll(struct file *file, poll_table *pt)
+{
+ struct video_device *dev = video_devdata(file);
+ struct vino_channel_settings *vcs = video_get_drvdata(dev);
+ unsigned int outgoing;
+ unsigned int ret = 0;
+
+ // lock mutex (?)
+ // TODO: this has to be corrected for different read modes
+
+ dprintk("poll():\n");
+
+ if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) {
+ dprintk("poll(): vino_queue_get_outgoing() failed\n");
+ ret = POLLERR;
+ goto error;
+ }
+ if (outgoing > 0)
+ goto over;
+
+ poll_wait(file, &vcs->fb_queue.frame_wait_queue, pt);
+
+ if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) {
+ dprintk("poll(): vino_queue_get_outgoing() failed\n");
+ ret = POLLERR;
+ goto error;
+ }
+
+over:
+ dprintk("poll(): data %savailable\n",
+ (outgoing > 0) ? "" : "not ");
+ if (outgoing > 0) {
+ ret = POLLIN | POLLRDNORM;
+ }
+
+error:
+
+ return ret;
+}
+
+static int vino_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct video_device *dev = video_devdata(file);
+ struct vino_channel_settings *vcs = video_get_drvdata(dev);
+
+ switch (_IOC_TYPE(cmd)) {
+ case 'v':
+ dprintk("ioctl(): V4L1 unsupported (0x%08x)\n", cmd);
+ break;
+ case 'V':
+ dprintk("ioctl(): V4L2 %s (0x%08x)\n",
+ v4l2_ioctl_names[_IOC_NR(cmd)], cmd);
+ break;
+ default:
+ dprintk("ioctl(): unsupported command 0x%08x\n", cmd);
+ }
+
+ switch (cmd) {
+ /* TODO: V4L1 interface (use compatibility layer?) */
+ /* V4L2 interface */
+ case VIDIOC_QUERYCAP: {
+ vino_v4l2_querycap(arg);
+ break;
+ }
+ case VIDIOC_ENUMINPUT: {
+ return vino_v4l2_enuminput(vcs, arg);
+ }
+ case VIDIOC_G_INPUT: {
+ return vino_v4l2_g_input(vcs, arg);
+ }
+ case VIDIOC_S_INPUT: {
+ return vino_v4l2_s_input(vcs, arg);
+ }
+ case VIDIOC_ENUMSTD: {
+ return vino_v4l2_enumstd(vcs, arg);
+ }
+ case VIDIOC_G_STD: {
+ return vino_v4l2_g_std(vcs, arg);
+ }
+ case VIDIOC_S_STD: {
+ return vino_v4l2_s_std(vcs, arg);
+ }
+ case VIDIOC_ENUM_FMT: {
+ return vino_v4l2_enum_fmt(vcs, arg);
+ }
+ case VIDIOC_TRY_FMT: {
+ return vino_v4l2_try_fmt(vcs, arg);
+ }
+ case VIDIOC_G_FMT: {
+ return vino_v4l2_g_fmt(vcs, arg);
+ }
+ case VIDIOC_S_FMT: {
+ return vino_v4l2_s_fmt(vcs, arg);
+ }
+ case VIDIOC_CROPCAP: {
+ return vino_v4l2_cropcap(vcs, arg);
+ }
+ case VIDIOC_G_CROP: {
+ return vino_v4l2_g_crop(vcs, arg);
+ }
+ case VIDIOC_S_CROP: {
+ return vino_v4l2_s_crop(vcs, arg);
+ }
+ case VIDIOC_G_PARM: {
+ return vino_v4l2_g_parm(vcs, arg);
+ }
+ case VIDIOC_S_PARM: {
+ return vino_v4l2_s_parm(vcs, arg);
+ }
+ case VIDIOC_REQBUFS: {
+ return vino_v4l2_reqbufs(vcs, arg);
+ }
+ case VIDIOC_QUERYBUF: {
+ return vino_v4l2_querybuf(vcs, arg);
+ }
+ case VIDIOC_QBUF: {
+ return vino_v4l2_qbuf(vcs, arg);
+ }
+ case VIDIOC_DQBUF: {
+ return vino_v4l2_dqbuf(vcs, arg, file->f_flags & O_NONBLOCK);
+ }
+ case VIDIOC_STREAMON: {
+ return vino_v4l2_streamon(vcs);
+ }
+ case VIDIOC_STREAMOFF: {
+ return vino_v4l2_streamoff(vcs);
+ }
+ case VIDIOC_QUERYCTRL: {
+ return vino_v4l2_queryctrl(vcs, arg);
+ }
+ case VIDIOC_G_CTRL: {
+ return vino_v4l2_g_ctrl(vcs, arg);
+ }
+ case VIDIOC_S_CTRL: {
+ return vino_v4l2_s_ctrl(vcs, arg);
+ }
+ default:
+ return -ENOIOCTLCMD;
+ }
+
+ return 0;
+}
+
+static int vino_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct video_device *dev = video_devdata(file);
+ struct vino_channel_settings *vcs = video_get_drvdata(dev);
+ int ret;
+
+ if (down_interruptible(&vcs->sem))
+ return -EINTR;
+
+ ret = video_usercopy(inode, file, cmd, arg, vino_do_ioctl);
+
+ up(&vcs->sem);
+
+ return ret;
+}
+
+/* Initialization and cleanup */
+
+// __initdata
+static int vino_init_stage = 0;
+
+static struct file_operations vino_fops = {
.owner = THIS_MODULE,
- .type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE,
- .hardware = VID_HARDWARE_VINO,
- .name = "VINO",
.open = vino_open,
- .close = vino_close,
+ .release = vino_close,
.ioctl = vino_ioctl,
.mmap = vino_mmap,
+ .poll = vino_poll,
+ .llseek = no_llseek,
};
-static int __init vino_init(void)
+static struct video_device v4l_device_template = {
+ .name = "NOT SET",
+ //.type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE |
+ // VID_TYPE_CLIPPING | VID_TYPE_SCALES, VID_TYPE_OVERLAY
+ .hardware = VID_HARDWARE_VINO,
+ .fops = &vino_fops,
+ .minor = -1,
+};
+
+static void vino_module_cleanup(int stage)
+{
+ switch(stage) {
+ case 10:
+ video_unregister_device(vino_drvdata->b.v4l_device);
+ vino_drvdata->b.v4l_device = NULL;
+ case 9:
+ video_unregister_device(vino_drvdata->a.v4l_device);
+ vino_drvdata->a.v4l_device = NULL;
+ case 8:
+ vino_i2c_del_bus();
+ case 7:
+ free_irq(SGI_VINO_IRQ, NULL);
+ case 6:
+ if (vino_drvdata->b.v4l_device) {
+ video_device_release(vino_drvdata->b.v4l_device);
+ vino_drvdata->b.v4l_device = NULL;
+ }
+ case 5:
+ if (vino_drvdata->a.v4l_device) {
+ video_device_release(vino_drvdata->a.v4l_device);
+ vino_drvdata->a.v4l_device = NULL;
+ }
+ case 4:
+ /* all entries in dma_cpu dummy table have the same address */
+ dma_unmap_single(NULL,
+ vino_drvdata->dummy_desc_table.dma_cpu[0],
+ PAGE_SIZE, DMA_FROM_DEVICE);
+ dma_free_coherent(NULL, VINO_DUMMY_DESC_COUNT
+ * sizeof(dma_addr_t),
+ (void *)vino_drvdata->
+ dummy_desc_table.dma_cpu,
+ vino_drvdata->dummy_desc_table.dma);
+ case 3:
+ free_page(vino_drvdata->dummy_page);
+ case 2:
+ kfree(vino_drvdata);
+ case 1:
+ iounmap(vino);
+ case 0:
+ break;
+ default:
+ dprintk("vino_module_cleanup(): invalid cleanup stage = %d\n",
+ stage);
+ }
+}
+
+static int vino_probe(void)
{
- unsigned long rev;
- int i, ret = 0;
+ unsigned long rev_id;
- /* VINO is Indy specific beast */
- if (ip22_is_fullhouse())
+ if (ip22_is_fullhouse()) {
+ printk(KERN_ERR "VINO doesn't exist in IP22 Fullhouse\n");
return -ENODEV;
+ }
- /*
- * VINO is in the EISA address space, so the sysid register will tell
- * us if the EISA_PRESENT pin on MC has been pulled low.
- *
- * If EISA_PRESENT is not set we definitely don't have a VINO equiped
- * system.
- */
if (!(sgimc->systemid & SGIMC_SYSID_EPRESENT)) {
- printk(KERN_ERR "VINO not found\n");
+ printk(KERN_ERR "VINO is not found (EISA BUS not present)\n");
return -ENODEV;
}
vino = (struct sgi_vino *)ioremap(VINO_BASE, sizeof(struct sgi_vino));
- if (!vino)
+ if (!vino) {
+ printk(KERN_ERR "VINO: ioremap() failed\n");
return -EIO;
+ }
+ vino_init_stage++;
- /* Okay, once we know that VINO is present we'll read its revision
- * safe way. One never knows... */
- if (get_dbe(rev, &(vino->rev_id))) {
- printk(KERN_ERR "VINO: failed to read revision register\n");
- ret = -ENODEV;
- goto out_unmap;
+ if (get_dbe(rev_id, &(vino->rev_id))) {
+ printk(KERN_ERR "Failed to read VINO revision register\n");
+ vino_module_cleanup(vino_init_stage);
+ return -ENODEV;
}
- if (VINO_ID_VALUE(rev) != VINO_CHIP_ID) {
- printk(KERN_ERR "VINO is not VINO (Rev/ID: 0x%04lx)\n", rev);
- ret = -ENODEV;
- goto out_unmap;
+
+ if (VINO_ID_VALUE(rev_id) != VINO_CHIP_ID) {
+ printk(KERN_ERR "Unknown VINO chip ID (Rev/ID: 0x%02lx)\n",
+ rev_id);
+ vino_module_cleanup(vino_init_stage);
+ return -ENODEV;
}
- printk(KERN_INFO "VINO Rev: 0x%02lx\n", VINO_REV_NUM(rev));
- Vino = (struct vino_video *)
- kmalloc(sizeof(struct vino_video), GFP_KERNEL);
- if (!Vino) {
- ret = -ENOMEM;
- goto out_unmap;
+ printk(KERN_INFO "VINO with chip ID %ld, revision %ld found\n",
+ VINO_ID_VALUE(rev_id), VINO_REV_NUM(rev_id));
+
+ return 0;
+}
+
+static int vino_init(void)
+{
+ dma_addr_t dma_dummy_address;
+ int i;
+
+ vino_drvdata = (struct vino_settings *)
+ kmalloc(sizeof(struct vino_settings), GFP_KERNEL);
+ if (!vino_drvdata) {
+ vino_module_cleanup(vino_init_stage);
+ return -ENOMEM;
}
+ memset(vino_drvdata, 0, sizeof(struct vino_settings));
+ vino_init_stage++;
- Vino->dummy_page = get_zeroed_page(GFP_KERNEL | GFP_DMA);
- if (!Vino->dummy_page) {
- ret = -ENOMEM;
- goto out_free_vino;
+ /* create a dummy dma descriptor */
+ vino_drvdata->dummy_page = get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!vino_drvdata->dummy_page) {
+ vino_module_cleanup(vino_init_stage);
+ return -ENOMEM;
}
- for (i = 0; i < 4; i++)
- Vino->dummy_buf[i] = PHYSADDR(Vino->dummy_page);
+ vino_init_stage++;
+
+ // TODO: use page_count in dummy_desc_table
+
+ vino_drvdata->dummy_desc_table.dma_cpu =
+ dma_alloc_coherent(NULL,
+ VINO_DUMMY_DESC_COUNT * sizeof(dma_addr_t),
+ &vino_drvdata->dummy_desc_table.dma,
+ GFP_KERNEL | GFP_DMA);
+ if (!vino_drvdata->dummy_desc_table.dma_cpu) {
+ vino_module_cleanup(vino_init_stage);
+ return -ENOMEM;
+ }
+ vino_init_stage++;
+
+ dma_dummy_address = dma_map_single(NULL,
+ (void *)vino_drvdata->dummy_page,
+ PAGE_SIZE, DMA_FROM_DEVICE);
+ for (i = 0; i < VINO_DUMMY_DESC_COUNT; i++) {
+ vino_drvdata->dummy_desc_table.dma_cpu[i] = dma_dummy_address;
+ }
+
+ /* initialize VINO */
vino->control = 0;
- /* prevent VINO from throwing spurious interrupts */
- vino->a.next_4_desc = PHYSADDR(Vino->dummy_buf);
- vino->b.next_4_desc = PHYSADDR(Vino->dummy_buf);
- udelay(5);
+ vino->a.next_4_desc = vino_drvdata->dummy_desc_table.dma;
+ vino->b.next_4_desc = vino_drvdata->dummy_desc_table.dma;
+ udelay(VINO_DESC_FETCH_DELAY);
+
vino->intr_status = 0;
- /* set threshold level */
- vino->a.fifo_thres = threshold_a;
- vino->b.fifo_thres = threshold_b;
- init_MUTEX(&Vino->input_lock);
+ vino->a.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT;
+ vino->b.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT;
+
+ return 0;
+}
+
+static int vino_init_channel_settings(struct vino_channel_settings *vcs,
+ unsigned int channel, const char *name)
+{
+ vcs->channel = channel;
+ vcs->input = VINO_INPUT_NONE;
+ vcs->alpha = 0;
+ vcs->users = 0;
+ vcs->data_format = VINO_DATA_FMT_GREY;
+ vcs->data_norm = VINO_DATA_NORM_NTSC;
+ vcs->decimation = 1;
+ vino_set_default_clipping(vcs);
+ vino_set_default_framerate(vcs);
+
+ vcs->capturing = 0;
+
+ init_MUTEX(&vcs->sem);
+ spin_lock_init(&vcs->capture_lock);
+
+ init_MUTEX(&vcs->fb_queue.queue_sem);
+ spin_lock_init(&vcs->fb_queue.queue_lock);
+ init_waitqueue_head(&vcs->fb_queue.frame_wait_queue);
+
+ vcs->v4l_device = video_device_alloc();
+ if (!vcs->v4l_device) {
+ vino_module_cleanup(vino_init_stage);
+ return -ENOMEM;
+ }
+ vino_init_stage++;
+
+ memcpy(vcs->v4l_device, &v4l_device_template,
+ sizeof(struct video_device));
+ strcpy(vcs->v4l_device->name, name);
+ vcs->v4l_device->release = video_device_release;
+
+ video_set_drvdata(vcs->v4l_device, vcs);
+
+ return 0;
+}
+
+static int __init vino_module_init(void)
+{
+ int ret;
+
+ printk(KERN_INFO "SGI VINO driver version %s\n",
+ VINO_MODULE_VERSION);
+
+ ret = vino_probe();
+ if (ret)
+ return ret;
+
+ ret = vino_init();
+ if (ret)
+ return ret;
+
+ /* initialize data structures */
- if (request_irq(SGI_VINO_IRQ, vino_interrupt, 0, vinostr, NULL)) {
- printk(KERN_ERR "VINO: irq%02d registration failed\n",
+ spin_lock_init(&vino_drvdata->vino_lock);
+ spin_lock_init(&vino_drvdata->input_lock);
+
+ ret = vino_init_channel_settings(&vino_drvdata->a, VINO_CHANNEL_A,
+ vino_v4l_device_name_a);
+ if (ret)
+ return ret;
+
+ ret = vino_init_channel_settings(&vino_drvdata->b, VINO_CHANNEL_B,
+ vino_v4l_device_name_b);
+ if (ret)
+ return ret;
+
+ /* initialize hardware and register V4L devices */
+
+ ret = request_irq(SGI_VINO_IRQ, vino_interrupt, 0,
+ vino_driver_description, NULL);
+ if (ret) {
+ printk(KERN_ERR "VINO: requesting IRQ %02d failed\n",
SGI_VINO_IRQ);
- ret = -EAGAIN;
- goto out_free_page;
+ vino_module_cleanup(vino_init_stage);
+ return -EAGAIN;
}
+ vino_init_stage++;
ret = vino_i2c_add_bus();
if (ret) {
- printk(KERN_ERR "VINO: I2C bus registration failed\n");
- goto out_free_irq;
+ printk(KERN_ERR "VINO I2C bus registration failed\n");
+ vino_module_cleanup(vino_init_stage);
+ return ret;
}
+ vino_init_stage++;
- if (video_register_device(&Vino->chA.vdev, VFL_TYPE_GRABBER, -1) < 0) {
- printk("%s, chnl %d: device registration failed.\n",
- Vino->chA.vdev.name, Vino->chA.chan);
- ret = -EINVAL;
- goto out_i2c_del_bus;
+ ret = video_register_device(vino_drvdata->a.v4l_device,
+ VFL_TYPE_GRABBER, -1);
+ if (ret < 0) {
+ printk(KERN_ERR "VINO channel A Video4Linux-device "
+ "registration failed\n");
+ vino_module_cleanup(vino_init_stage);
+ return -EINVAL;
}
- if (video_register_device(&Vino->chB.vdev, VFL_TYPE_GRABBER, -1) < 0) {
- printk("%s, chnl %d: device registration failed.\n",
- Vino->chB.vdev.name, Vino->chB.chan);
- ret = -EINVAL;
- goto out_unregister_vdev;
+ vino_init_stage++;
+
+ ret = video_register_device(vino_drvdata->b.v4l_device,
+ VFL_TYPE_GRABBER, -1);
+ if (ret < 0) {
+ printk(KERN_ERR "VINO channel B Video4Linux-device "
+ "registration failed\n");
+ vino_module_cleanup(vino_init_stage);
+ return -EINVAL;
}
+ vino_init_stage++;
- return 0;
+#if defined(CONFIG_KMOD) && defined(MODULE)
+ request_module("saa7191");
+ request_module("indycam");
+#endif
-out_unregister_vdev:
- video_unregister_device(&Vino->chA.vdev);
-out_i2c_del_bus:
- vino_i2c_del_bus();
-out_free_irq:
- free_irq(SGI_VINO_IRQ, NULL);
-out_free_page:
- free_page(Vino->dummy_page);
-out_free_vino:
- kfree(Vino);
-out_unmap:
- iounmap(vino);
+ dprintk("init complete!\n");
- return ret;
+ return 0;
}
-static void __exit vino_exit(void)
+static void __exit vino_module_exit(void)
{
- video_unregister_device(&Vino->chA.vdev);
- video_unregister_device(&Vino->chB.vdev);
- vino_i2c_del_bus();
- free_irq(SGI_VINO_IRQ, NULL);
- free_page(Vino->dummy_page);
- kfree(Vino);
- iounmap(vino);
+ dprintk("exiting, stage = %d ...\n", vino_init_stage);
+ vino_module_cleanup(vino_init_stage);
+ dprintk("cleanup complete, exit!\n");
}
-module_init(vino_init);
-module_exit(vino_exit);
-
-MODULE_DESCRIPTION("Video4Linux driver for SGI Indy VINO (IndyCam)");
-MODULE_LICENSE("GPL");
+module_init(vino_module_init);
+module_exit(vino_module_exit);
diff --git a/drivers/media/video/vino.h b/drivers/media/video/vino.h
index d2fce472f35..de2d615ae7c 100644
--- a/drivers/media/video/vino.h
+++ b/drivers/media/video/vino.h
@@ -1,13 +1,19 @@
/*
+ * Driver for the VINO (Video In No Out) system found in SGI Indys.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
* Copyright (C) 1999 Ulf Karlsson <ulfc@bun.falkenberg.se>
* Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
*/
-#ifndef VINO_H
-#define VINO_H
+#ifndef _VINO_H_
+#define _VINO_H_
#define VINO_BASE 0x00080000 /* Vino is in the EISA address space,
* but it is not an EISA bus card */
+#define VINO_PAGE_SIZE 4096
struct sgi_vino_channel {
u32 _pad_alpha;
@@ -21,8 +27,9 @@ struct sgi_vino_channel {
u32 _pad_clip_end;
volatile u32 clip_end;
+#define VINO_FRAMERT_FULL 0xfff
#define VINO_FRAMERT_PAL (1<<0) /* 0=NTSC 1=PAL */
-#define VINO_FRAMERT_RT(x) (((x) & 0x1fff) << 1) /* bits 1:12 */
+#define VINO_FRAMERT_RT(x) (((x) & 0xfff) << 1) /* bits 1:12 */
u32 _pad_frame_rate;
volatile u32 frame_rate;
@@ -67,18 +74,18 @@ struct sgi_vino {
volatile u32 rev_id;
#define VINO_CTRL_LITTLE_ENDIAN (1<<0)
-#define VINO_CTRL_A_FIELD_TRANS_INT (1<<1) /* Field transferred int */
-#define VINO_CTRL_A_FIFO_OF_INT (1<<2) /* FIFO overflow int */
-#define VINO_CTRL_A_END_DESC_TBL_INT (1<<3) /* End of desc table int */
-#define VINO_CTRL_A_INT (VINO_CTRL_A_FIELD_TRANS_INT | \
- VINO_CTRL_A_FIFO_OF_INT | \
- VINO_CTRL_A_END_DESC_TBL_INT)
-#define VINO_CTRL_B_FIELD_TRANS_INT (1<<4) /* Field transferred int */
-#define VINO_CTRL_B_FIFO_OF_INT (1<<5) /* FIFO overflow int */
-#define VINO_CTRL_B_END_DESC_TBL_INT (1<<6) /* End of desc table int */
-#define VINO_CTRL_B_INT (VINO_CTRL_B_FIELD_TRANS_INT | \
- VINO_CTRL_B_FIFO_OF_INT | \
- VINO_CTRL_B_END_DESC_TBL_INT)
+#define VINO_CTRL_A_EOF_INT (1<<1) /* Field transferred int */
+#define VINO_CTRL_A_FIFO_INT (1<<2) /* FIFO overflow int */
+#define VINO_CTRL_A_EOD_INT (1<<3) /* End of desc table int */
+#define VINO_CTRL_A_INT (VINO_CTRL_A_EOF_INT | \
+ VINO_CTRL_A_FIFO_INT | \
+ VINO_CTRL_A_EOD_INT)
+#define VINO_CTRL_B_EOF_INT (1<<4) /* Field transferred int */
+#define VINO_CTRL_B_FIFO_INT (1<<5) /* FIFO overflow int */
+#define VINO_CTRL_B_EOD_INT (1<<6) /* End of desc table int */
+#define VINO_CTRL_B_INT (VINO_CTRL_B_EOF_INT | \
+ VINO_CTRL_B_FIFO_INT | \
+ VINO_CTRL_B_EOD_INT)
#define VINO_CTRL_A_DMA_ENBL (1<<7)
#define VINO_CTRL_A_INTERLEAVE_ENBL (1<<8)
#define VINO_CTRL_A_SYNC_ENBL (1<<9)
@@ -104,18 +111,18 @@ struct sgi_vino {
u32 _pad_control;
volatile u32 control;
-#define VINO_INTSTAT_A_FIELD_TRANS (1<<0) /* Field transferred int */
-#define VINO_INTSTAT_A_FIFO_OF (1<<1) /* FIFO overflow int */
-#define VINO_INTSTAT_A_END_DESC_TBL (1<<2) /* End of desc table int */
-#define VINO_INTSTAT_A (VINO_INTSTAT_A_FIELD_TRANS | \
- VINO_INTSTAT_A_FIFO_OF | \
- VINO_INTSTAT_A_END_DESC_TBL)
-#define VINO_INTSTAT_B_FIELD_TRANS (1<<3) /* Field transferred int */
-#define VINO_INTSTAT_B_FIFO_OF (1<<4) /* FIFO overflow int */
-#define VINO_INTSTAT_B_END_DESC_TBL (1<<5) /* End of desc table int */
-#define VINO_INTSTAT_B (VINO_INTSTAT_B_FIELD_TRANS | \
- VINO_INTSTAT_B_FIFO_OF | \
- VINO_INTSTAT_B_END_DESC_TBL)
+#define VINO_INTSTAT_A_EOF (1<<0) /* Field transferred int */
+#define VINO_INTSTAT_A_FIFO (1<<1) /* FIFO overflow int */
+#define VINO_INTSTAT_A_EOD (1<<2) /* End of desc table int */
+#define VINO_INTSTAT_A (VINO_INTSTAT_A_EOF | \
+ VINO_INTSTAT_A_FIFO | \
+ VINO_INTSTAT_A_EOD)
+#define VINO_INTSTAT_B_EOF (1<<3) /* Field transferred int */
+#define VINO_INTSTAT_B_FIFO (1<<4) /* FIFO overflow int */
+#define VINO_INTSTAT_B_EOD (1<<5) /* End of desc table int */
+#define VINO_INTSTAT_B (VINO_INTSTAT_B_EOF | \
+ VINO_INTSTAT_B_FIFO | \
+ VINO_INTSTAT_B_EOD)
u32 _pad_intr_status;
volatile u32 intr_status;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-28 10:06:53 +0000