/*
- cx231xx-core.c - driver for Conexant Cx23100/101/102 USB video capture devices
+ cx231xx-core.c - driver for Conexant Cx23100/101/102
+ USB video capture devices
Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
- Based on em28xx driver
+ Based on em28xx driver
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
module_param(alt, int, 0644);
MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
-/* FIXME */
#define cx231xx_isocdbg(fmt, arg...) do {\
if (core_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __func__ , ##arg); } while (0)
-/************************************************************************************
-* Device control list functions *
-*************************************************************************************/
+/*****************************************************************
+* Device control list functions *
+******************************************************************/
static LIST_HEAD(cx231xx_devlist);
static DEFINE_MUTEX(cx231xx_devlist_mutex);
if (dev)
ops->init(dev);
}
- cx231xx_info("Cx231xx: Initialized (%s) extension\n", ops->name);
+ printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name);
mutex_unlock(&cx231xx_extension_devlist_lock);
mutex_unlock(&cx231xx_devlist_mutex);
return 0;
}
-
EXPORT_SYMBOL(cx231xx_register_extension);
void cx231xx_unregister_extension(struct cx231xx_ops *ops)
}
mutex_lock(&cx231xx_extension_devlist_lock);
- cx231xx_info("Cx231xx: Removed (%s) extension\n", ops->name);
+ printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name);
list_del(&ops->next);
mutex_unlock(&cx231xx_extension_devlist_lock);
mutex_unlock(&cx231xx_devlist_mutex);
}
-
EXPORT_SYMBOL(cx231xx_unregister_extension);
void cx231xx_init_extension(struct cx231xx *dev)
mutex_unlock(&cx231xx_extension_devlist_lock);
}
-/************************************************************************************
-* U S B related functions *
-*************************************************************************************/
+/****************************************************************
+* U S B related functions *
+*****************************************************************/
int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
struct cx231xx_i2c_xfer_data *req_data)
{
int status = 0;
struct cx231xx *dev = i2c_bus->dev;
- VENDOR_REQUEST_IN ven_req;
+ struct VENDOR_REQUEST_IN ven_req;
u8 saddr_len = 0;
u8 _i2c_period = 0;
_i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
/* set channel number */
- if (req_data->direction & I2C_M_RD)
- ven_req.bRequest = i2c_bus->nr + 4; /* channel number, for read,
- spec required channel_num +4 */
- else
+ if (req_data->direction & I2C_M_RD) {
+ /* channel number, for read,spec required channel_num +4 */
+ ven_req.bRequest = i2c_bus->nr + 4;
+ } else
ven_req.bRequest = i2c_bus->nr; /* channel number, */
/* set index value */
status = cx231xx_send_vendor_cmd(dev, &ven_req);
if (status < 0) {
cx231xx_info
- ("UsbInterface::sendCommand, output buffer failed with status -%d\n",
+ ("UsbInterface::sendCommand, failed with status -%d\n",
status);
}
return status;
}
-
EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
+
/*
* cx231xx_read_ctrl_reg()
* reads data from the usb device specifying bRequest and wValue
reg & 0xff, reg >> 8, len & 0xff, len >> 8);
}
- /* mutex_lock(&dev->ctrl_urb_lock); */
+ mutex_lock(&dev->ctrl_urb_lock);
ret = usb_control_msg(dev->udev, pipe, req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
val, reg, dev->urb_buf, len, HZ);
if (len)
memcpy(buf, dev->urb_buf, len);
- /* mutex_unlock(&dev->ctrl_urb_lock); */
+ mutex_unlock(&dev->ctrl_urb_lock);
if (reg_debug) {
int byte;
return ret;
}
-int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN * ven_req)
+int cx231xx_send_vendor_cmd(struct cx231xx *dev,
+ struct VENDOR_REQUEST_IN *ven_req)
{
int ret;
int pipe = 0;
cx231xx_isocdbg("\n");
}
- /* mutex_lock(&dev->ctrl_urb_lock); */
+ mutex_lock(&dev->ctrl_urb_lock);
ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest,
ven_req->
direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
ven_req->wValue, ven_req->wIndex, ven_req->pBuff,
ven_req->wLength, HZ);
- /* mutex_unlock(&dev->ctrl_urb_lock); */
+ mutex_unlock(&dev->ctrl_urb_lock);
return ret;
}
int byte;
cx231xx_isocdbg("(pipe 0x%08x): "
- "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
- pipe,
- USB_DIR_OUT | USB_TYPE_VENDOR |
- USB_RECIP_DEVICE, req, 0, val, reg & 0xff,
- reg >> 8, len & 0xff, len >> 8);
+ "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
+ pipe,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ req, 0, val, reg & 0xff,
+ reg >> 8, len & 0xff, len >> 8);
for (byte = 0; byte < len; byte++)
cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
cx231xx_isocdbg("\n");
}
- /* mutex_lock(&dev->ctrl_urb_lock); */
+ mutex_lock(&dev->ctrl_urb_lock);
memcpy(dev->urb_buf, buf, len);
ret = usb_control_msg(dev->udev, pipe, req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
val, reg, dev->urb_buf, len, HZ);
- /* mutex_unlock(&dev->ctrl_urb_lock); */
+ mutex_unlock(&dev->ctrl_urb_lock);
return ret;
}
-/************************************************************************************
-* USB Alternate Setting functions *
-*************************************************************************************/
+/****************************************************************
+* USB Alternate Setting functions *
+*****************************************************************/
int cx231xx_set_video_alternate(struct cx231xx *dev)
{
dev->video_mode.alt,
dev->video_mode.max_pkt_size);
cx231xx_info
- (" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n",
+ (" setting alt %d with wMaxPktSize=%u , Interface = %d\n",
dev->video_mode.alt, dev->video_mode.max_pkt_size,
usb_interface_index);
errCode =
dev->video_mode.alt);
if (errCode < 0) {
cx231xx_errdev
- ("cannot change alternate number to %d (error=%i)\n",
+ ("cannot change alt number to %d (error=%i)\n",
dev->video_mode.alt, errCode);
return errCode;
}
if (alt > 0 && max_pkt_size == 0) {
cx231xx_errdev
- ("cannot change interface %d alternate number to %d : Max. Pkt size is ZERO\n",
- usb_interface_index, alt);
+ ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
+ usb_interface_index, alt);
return -1;
}
status = usb_set_interface(dev->udev, usb_interface_index, alt);
if (status < 0) {
cx231xx_errdev
- ("cannot change interface %d alternate number to %d (error=%i)\n",
- usb_interface_index, alt, status);
+ ("can't change interface %d alt no. to %d (err=%i)\n",
+ usb_interface_index, alt, status);
return status;
}
}
return status;
}
-
EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
dev->mode = set_mode;
- if (dev->mode == CX231XX_DIGITAL_MODE) {
- /* Set Digital power mode */
- } else {
- /* Set Analog Power mode */
- }
+ if (dev->mode == CX231XX_DIGITAL_MODE)
+ ;/* Set Digital power mode */
+ else
+ ;/* Set Analog Power mode */
+
return 0;
}
-
EXPORT_SYMBOL_GPL(cx231xx_set_mode);
-/************************************************************************************
-* URB Streaming functions *
-*************************************************************************************/
+/*****************************************************************
+* URB Streaming functions *
+******************************************************************/
/*
* IRQ callback, called by URB callback
cx231xx_capture_start(dev, 0, Raw_Video);
}
-
EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
/*
*/
int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
int num_bufs, int max_pkt_size,
- int (*isoc_copy) (struct cx231xx * dev, struct urb * urb))
+ int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
{
struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
int i;
cx231xx_err("unable to allocate %i bytes for transfer"
" buffer %i%s\n",
sb_size, i,
- in_interrupt()? " while in int" : "");
+ in_interrupt() ? " while in int" : "");
cx231xx_uninit_isoc(dev);
return -ENOMEM;
}
return 0;
}
-
EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
-/************************************************************************************
-* Device Init/UnInit functions *
-*************************************************************************************/
+/*****************************************************************
+* Device Init/UnInit functions *
+******************************************************************/
int cx231xx_dev_init(struct cx231xx *dev)
{
int errCode = 0;
cx231xx_i2c_register(&dev->i2c_bus[2]);
/* init hardware */
- /* Note : with out calling set power mode function, colibri can not be set up correctly */
+ /* Note : with out calling set power mode function,
+ afe can not be set up correctly */
errCode = cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
if (errCode < 0) {
cx231xx_errdev
- ("%s: cx231xx_set_power_mode : Failed to set Power - errCode [%d]!\n",
+ ("%s: Failed to set Power - errCode [%d]!\n",
__func__, errCode);
return errCode;
}
/* initialize Colibri block */
- errCode = cx231xx_colibri_init_super_block(dev, 0x23c);
+ errCode = cx231xx_afe_init_super_block(dev, 0x23c);
if (errCode < 0) {
cx231xx_errdev
- ("%s: cx231xx_colibri init super block - errCode [%d]!\n",
+ ("%s: cx231xx_afe init super block - errCode [%d]!\n",
__func__, errCode);
return errCode;
}
- errCode = cx231xx_colibri_init_channels(dev);
+ errCode = cx231xx_afe_init_channels(dev);
if (errCode < 0) {
cx231xx_errdev
- ("%s: cx231xx_colibri init channels - errCode [%d]!\n",
+ ("%s: cx231xx_afe init channels - errCode [%d]!\n",
__func__, errCode);
return errCode;
}
return errCode;
}
- /* flatiron related functions */
- errCode = cx231xx_flatiron_initialize(dev);
+ /* I2S block related functions */
+ errCode = cx231xx_i2s_blk_initialize(dev);
if (errCode < 0) {
cx231xx_errdev
- ("%s: cx231xx_flatiron initialize - errCode [%d]!\n",
+ ("%s: cx231xx_i2s block initialize - errCode [%d]!\n",
__func__, errCode);
return errCode;
}
return errCode;
}
-
EXPORT_SYMBOL_GPL(cx231xx_dev_init);
void cx231xx_dev_uninit(struct cx231xx *dev)
cx231xx_i2c_unregister(&dev->i2c_bus[1]);
cx231xx_i2c_unregister(&dev->i2c_bus[0]);
}
-
EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
-/************************************************************************************
-* G P I O related functions *
-*************************************************************************************/
+/*****************************************************************
+* G P I O related functions *
+******************************************************************/
int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 * gpio_val,
u8 len, u8 request, u8 direction)
{
int status = 0;
- VENDOR_REQUEST_IN ven_req;
+ struct VENDOR_REQUEST_IN ven_req;
/* Set wValue */
ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
status = cx231xx_send_vendor_cmd(dev, &ven_req);
if (status < 0) {
cx231xx_info
- ("UsbInterface::sendCommand, output buffer failed with status -%d\n",
+ ("UsbInterface::sendCommand, failed with status -%d\n",
status);
}
return status;
}
-
EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
-/*************************************************************************************
- * C O N T R O L - Register R E A D / W R I T E functions *
- *************************************************************************************/
+/*****************************************************************
+ * C O N T R O L - Register R E A D / W R I T E functions *
+ *****************************************************************/
int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
{
u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
return status;
}
-/*************************************************************************************
- * I 2 C Internal C O N T R O L functions *
- *************************************************************************************/
+/*****************************************************************
+ * I 2 C Internal C O N T R O L functions *
+ *****************************************************************/
int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
- u8 saddr_len, u32 * data, u8 data_len)
+ u8 saddr_len, u32 *data, u8 data_len)
{
int status = 0;
struct cx231xx_i2c_xfer_data req_data;
u32 mask = 0;
int i;
- if (bit_start > (size - 1) || bit_end > (size - 1)) {
+ if (bit_start > (size - 1) || bit_end > (size - 1))
return -1;
- }
if (size == 8) {
status =
&tmp, 4);
}
- if (status < 0) {
+ if (status < 0)
return status;
- }
mask = 1 << bit_end;
- for (i = bit_end; i > bit_start && i > 0; i--) {
+ for (i = bit_end; i > bit_start && i > 0; i--)
mask = mask + (1 << (i - 1));
- }
value <<= bit_start;
{
u32 temp;
- for (temp = field_mask; (temp & 1) == 0; temp >>= 1) {
+ for (temp = field_mask; (temp & 1) == 0; temp >>= 1)
data <<= 1;
- }
return data;
}
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