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path: root/drivers/media/video/indycam.c
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Diffstat (limited to 'drivers/media/video/indycam.c')
-rw-r--r--drivers/media/video/indycam.c470
1 files changed, 0 insertions, 470 deletions
diff --git a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c
deleted file mode 100644
index 84b9e4f2b3b..00000000000
--- a/drivers/media/video/indycam.c
+++ /dev/null
@@ -1,470 +0,0 @@
-/*
- * 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/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/slab.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_MODULE_VERSION "0.0.5"
-
-MODULE_DESCRIPTION("SGI IndyCam driver");
-MODULE_VERSION(INDYCAM_MODULE_VERSION);
-MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
-MODULE_LICENSE("GPL");
-
-// #define INDYCAM_DEBUG
-
-#ifdef INDYCAM_DEBUG
-#define dprintk(x...) printk("IndyCam: " x);
-#define indycam_regdump(client) indycam_regdump_debug(client)
-#else
-#define dprintk(x...)
-#define indycam_regdump(client)
-#endif
-
-struct indycam {
- struct i2c_client *client;
- u8 version;
-};
-
-static struct i2c_driver i2c_driver_indycam;
-
-static const u8 initseq[] = {
- INDYCAM_CONTROL_AGCENA, /* INDYCAM_CONTROL */
- INDYCAM_SHUTTER_60, /* 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, u8 reg, u8 *value)
-{
- int ret;
-
- if (reg == INDYCAM_REG_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 = (u8)ret;
-
- return 0;
-}
-
-static int indycam_write_reg(struct i2c_client *client, u8 reg, u8 value)
-{
- int err;
-
- if ((reg == INDYCAM_REG_BRIGHTNESS)
- || (reg == INDYCAM_REG_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, u8 reg,
- u8 length, u8 *data)
-{
- int i, err;
-
- for (i = 0; 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;
- u8 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_control(struct i2c_client *client,
- struct indycam_control *ctrl)
-{
- struct indycam *camera = i2c_get_clientdata(client);
- u8 reg;
- int ret = 0;
-
- switch (ctrl->type) {
- case INDYCAM_CONTROL_AGC:
- case INDYCAM_CONTROL_AWB:
- ret = indycam_read_reg(client, INDYCAM_REG_CONTROL, &reg);
- if (ret)
- return -EIO;
- if (ctrl->type == INDYCAM_CONTROL_AGC)
- ctrl->value = (reg & INDYCAM_CONTROL_AGCENA)
- ? 1 : 0;
- else
- ctrl->value = (reg & INDYCAM_CONTROL_AWBCTL)
- ? 1 : 0;
- break;
- case INDYCAM_CONTROL_SHUTTER:
- ret = indycam_read_reg(client, INDYCAM_REG_SHUTTER, &reg);
- if (ret)
- return -EIO;
- ctrl->value = ((s32)reg == 0x00) ? 0xff : ((s32)reg - 1);
- break;
- case INDYCAM_CONTROL_GAIN:
- ret = indycam_read_reg(client, INDYCAM_REG_GAIN, &reg);
- if (ret)
- return -EIO;
- ctrl->value = (s32)reg;
- break;
- case INDYCAM_CONTROL_RED_BALANCE:
- ret = indycam_read_reg(client, INDYCAM_REG_RED_BALANCE, &reg);
- if (ret)
- return -EIO;
- ctrl->value = (s32)reg;
- break;
- case INDYCAM_CONTROL_BLUE_BALANCE:
- ret = indycam_read_reg(client, INDYCAM_REG_BLUE_BALANCE, &reg);
- if (ret)
- return -EIO;
- ctrl->value = (s32)reg;
- break;
- case INDYCAM_CONTROL_RED_SATURATION:
- ret = indycam_read_reg(client,
- INDYCAM_REG_RED_SATURATION, &reg);
- if (ret)
- return -EIO;
- ctrl->value = (s32)reg;
- break;
- case INDYCAM_CONTROL_BLUE_SATURATION:
- ret = indycam_read_reg(client,
- INDYCAM_REG_BLUE_SATURATION, &reg);
- if (ret)
- return -EIO;
- ctrl->value = (s32)reg;
- break;
- case INDYCAM_CONTROL_GAMMA:
- if (camera->version == CAMERA_VERSION_MOOSE) {
- ret = indycam_read_reg(client,
- INDYCAM_REG_GAMMA, &reg);
- if (ret)
- return -EIO;
- ctrl->value = (s32)reg;
- } else {
- ctrl->value = INDYCAM_GAMMA_DEFAULT;
- }
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int indycam_set_control(struct i2c_client *client,
- struct indycam_control *ctrl)
-{
- struct indycam *camera = i2c_get_clientdata(client);
- u8 reg;
- int ret = 0;
-
- switch (ctrl->type) {
- case INDYCAM_CONTROL_AGC:
- case INDYCAM_CONTROL_AWB:
- ret = indycam_read_reg(client, INDYCAM_REG_CONTROL, &reg);
- if (ret)
- break;
-
- if (ctrl->type == INDYCAM_CONTROL_AGC) {
- if (ctrl->value)
- reg |= INDYCAM_CONTROL_AGCENA;
- else
- reg &= ~INDYCAM_CONTROL_AGCENA;
- } else {
- if (ctrl->value)
- reg |= INDYCAM_CONTROL_AWBCTL;
- else
- reg &= ~INDYCAM_CONTROL_AWBCTL;
- }
-
- ret = indycam_write_reg(client, INDYCAM_REG_CONTROL, reg);
- break;
- case INDYCAM_CONTROL_SHUTTER:
- reg = (ctrl->value == 0xff) ? 0x00 : (ctrl->value + 1);
- ret = indycam_write_reg(client, INDYCAM_REG_SHUTTER, reg);
- break;
- case INDYCAM_CONTROL_GAIN:
- ret = indycam_write_reg(client, INDYCAM_REG_GAIN, ctrl->value);
- break;
- case INDYCAM_CONTROL_RED_BALANCE:
- ret = indycam_write_reg(client, INDYCAM_REG_RED_BALANCE,
- ctrl->value);
- break;
- case INDYCAM_CONTROL_BLUE_BALANCE:
- ret = indycam_write_reg(client, INDYCAM_REG_BLUE_BALANCE,
- ctrl->value);
- break;
- case INDYCAM_CONTROL_RED_SATURATION:
- ret = indycam_write_reg(client, INDYCAM_REG_RED_SATURATION,
- ctrl->value);
- break;
- case INDYCAM_CONTROL_BLUE_SATURATION:
- ret = indycam_write_reg(client, INDYCAM_REG_BLUE_SATURATION,
- ctrl->value);
- break;
- case INDYCAM_CONTROL_GAMMA:
- if (camera->version == CAMERA_VERSION_MOOSE) {
- ret = indycam_write_reg(client, INDYCAM_REG_GAMMA,
- ctrl->value);
- }
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-/* 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 = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
- camera = kzalloc(sizeof(struct indycam), GFP_KERNEL);
- if (!camera) {
- err = -ENOMEM;
- goto out_free_client;
- }
-
- 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_REG_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), (u8 *)&initseq);
- if (err) {
- printk(KERN_ERR "IndyCam initialization failed\n");
- err = -EIO;
- goto out_detach_client;
- }
-
- indycam_regdump(client);
-
- // white balance
- err = indycam_write_reg(client, INDYCAM_REG_CONTROL,
- INDYCAM_CONTROL_AGCENA | INDYCAM_CONTROL_AWBCTL);
- if (err) {
- printk(KERN_ERR "IndyCam: White balancing camera 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 == I2C_HW_SGI_VINO)
- 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_CONTROL: {
- return indycam_get_control(client, arg);
- }
- case DECODER_INDYCAM_SET_CONTROL: {
- return indycam_set_control(client, arg);
- }
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static struct i2c_driver i2c_driver_indycam = {
- .driver = {
- .name = "indycam",
- },
- .id = I2C_DRIVERID_INDYCAM,
- .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);
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