diff options
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-core.c')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-core.c | 1736 |
1 files changed, 0 insertions, 1736 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-core.c b/drivers/media/video/cx231xx/cx231xx-core.c deleted file mode 100644 index 05358d486135..000000000000 --- a/drivers/media/video/cx231xx/cx231xx-core.c +++ /dev/null @@ -1,1736 +0,0 @@ -/* - 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 - - 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 - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/usb.h> -#include <linux/vmalloc.h> -#include <media/v4l2-common.h> -#include <media/tuner.h> - -#include "cx231xx.h" -#include "cx231xx-reg.h" - -/* #define ENABLE_DEBUG_ISOC_FRAMES */ - -static unsigned int core_debug; -module_param(core_debug, int, 0644); -MODULE_PARM_DESC(core_debug, "enable debug messages [core]"); - -#define cx231xx_coredbg(fmt, arg...) do {\ - if (core_debug) \ - printk(KERN_INFO "%s %s :"fmt, \ - dev->name, __func__ , ##arg); } while (0) - -static unsigned int reg_debug; -module_param(reg_debug, int, 0644); -MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); - -static int alt = CX231XX_PINOUT; -module_param(alt, int, 0644); -MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); - -#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 * -******************************************************************/ - -LIST_HEAD(cx231xx_devlist); -static DEFINE_MUTEX(cx231xx_devlist_mutex); - -/* - * cx231xx_realease_resources() - * unregisters the v4l2,i2c and usb devices - * called when the device gets disconected or at module unload -*/ -void cx231xx_remove_from_devlist(struct cx231xx *dev) -{ - if (dev == NULL) - return; - if (dev->udev == NULL) - return; - - if (atomic_read(&dev->devlist_count) > 0) { - mutex_lock(&cx231xx_devlist_mutex); - list_del(&dev->devlist); - atomic_dec(&dev->devlist_count); - mutex_unlock(&cx231xx_devlist_mutex); - } -}; - -void cx231xx_add_into_devlist(struct cx231xx *dev) -{ - mutex_lock(&cx231xx_devlist_mutex); - list_add_tail(&dev->devlist, &cx231xx_devlist); - atomic_inc(&dev->devlist_count); - mutex_unlock(&cx231xx_devlist_mutex); -}; - -static LIST_HEAD(cx231xx_extension_devlist); - -int cx231xx_register_extension(struct cx231xx_ops *ops) -{ - struct cx231xx *dev = NULL; - - mutex_lock(&cx231xx_devlist_mutex); - list_add_tail(&ops->next, &cx231xx_extension_devlist); - list_for_each_entry(dev, &cx231xx_devlist, devlist) - ops->init(dev); - - printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name); - mutex_unlock(&cx231xx_devlist_mutex); - return 0; -} -EXPORT_SYMBOL(cx231xx_register_extension); - -void cx231xx_unregister_extension(struct cx231xx_ops *ops) -{ - struct cx231xx *dev = NULL; - - mutex_lock(&cx231xx_devlist_mutex); - list_for_each_entry(dev, &cx231xx_devlist, devlist) - ops->fini(dev); - - - printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name); - list_del(&ops->next); - mutex_unlock(&cx231xx_devlist_mutex); -} -EXPORT_SYMBOL(cx231xx_unregister_extension); - -void cx231xx_init_extension(struct cx231xx *dev) -{ - struct cx231xx_ops *ops = NULL; - - mutex_lock(&cx231xx_devlist_mutex); - if (!list_empty(&cx231xx_extension_devlist)) { - list_for_each_entry(ops, &cx231xx_extension_devlist, next) { - if (ops->init) - ops->init(dev); - } - } - mutex_unlock(&cx231xx_devlist_mutex); -} - -void cx231xx_close_extension(struct cx231xx *dev) -{ - struct cx231xx_ops *ops = NULL; - - mutex_lock(&cx231xx_devlist_mutex); - if (!list_empty(&cx231xx_extension_devlist)) { - list_for_each_entry(ops, &cx231xx_extension_devlist, next) { - if (ops->fini) - ops->fini(dev); - } - } - mutex_unlock(&cx231xx_devlist_mutex); -} - -/**************************************************************** -* 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; - struct VENDOR_REQUEST_IN ven_req; - - u8 saddr_len = 0; - u8 _i2c_period = 0; - u8 _i2c_nostop = 0; - u8 _i2c_reserve = 0; - - if (dev->state & DEV_DISCONNECTED) - return -ENODEV; - - /* Get the I2C period, nostop and reserve parameters */ - _i2c_period = i2c_bus->i2c_period; - _i2c_nostop = i2c_bus->i2c_nostop; - _i2c_reserve = i2c_bus->i2c_reserve; - - saddr_len = req_data->saddr_len; - - /* Set wValue */ - if (saddr_len == 1) /* need check saddr_len == 0 */ - ven_req.wValue = - req_data-> - dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 | - _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6; - else - ven_req.wValue = - req_data-> - dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 | - _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6; - - /* set channel number */ - 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 */ - switch (saddr_len) { - case 0: - ven_req.wIndex = 0; /* need check */ - break; - case 1: - ven_req.wIndex = (req_data->saddr_dat & 0xff); - break; - case 2: - ven_req.wIndex = req_data->saddr_dat; - break; - } - - /* set wLength value */ - ven_req.wLength = req_data->buf_size; - - /* set bData value */ - ven_req.bData = 0; - - /* set the direction */ - if (req_data->direction) { - ven_req.direction = USB_DIR_IN; - memset(req_data->p_buffer, 0x00, ven_req.wLength); - } else - ven_req.direction = USB_DIR_OUT; - - /* set the buffer for read / write */ - ven_req.pBuff = req_data->p_buffer; - - - /* call common vendor command request */ - status = cx231xx_send_vendor_cmd(dev, &ven_req); - if (status < 0) { - cx231xx_info - ("UsbInterface::sendCommand, failed with status -%d\n", - status); - } - - return status; -} -EXPORT_SYMBOL_GPL(cx231xx_send_usb_command); - -/* - * Sends/Receives URB control messages, assuring to use a kalloced buffer - * for all operations (dev->urb_buf), to avoid using stacked buffers, as - * they aren't safe for usage with USB, due to DMA restrictions. - * Also implements the debug code for control URB's. - */ -static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe, - __u8 request, __u8 requesttype, __u16 value, __u16 index, - void *data, __u16 size, int timeout) -{ - int rc, i; - - if (reg_debug) { - printk(KERN_DEBUG "%s: (pipe 0x%08x): " - "%s: %02x %02x %02x %02x %02x %02x %02x %02x ", - dev->name, - pipe, - (requesttype & USB_DIR_IN) ? "IN" : "OUT", - requesttype, - request, - value & 0xff, value >> 8, - index & 0xff, index >> 8, - size & 0xff, size >> 8); - if (!(requesttype & USB_DIR_IN)) { - printk(KERN_CONT ">>>"); - for (i = 0; i < size; i++) - printk(KERN_CONT " %02x", - ((unsigned char *)data)[i]); - } - } - - /* Do the real call to usb_control_msg */ - mutex_lock(&dev->ctrl_urb_lock); - if (!(requesttype & USB_DIR_IN) && size) - memcpy(dev->urb_buf, data, size); - rc = usb_control_msg(dev->udev, pipe, request, requesttype, value, - index, dev->urb_buf, size, timeout); - if ((requesttype & USB_DIR_IN) && size) - memcpy(data, dev->urb_buf, size); - mutex_unlock(&dev->ctrl_urb_lock); - - if (reg_debug) { - if (unlikely(rc < 0)) { - printk(KERN_CONT "FAILED!\n"); - return rc; - } - - if ((requesttype & USB_DIR_IN)) { - printk(KERN_CONT "<<<"); - for (i = 0; i < size; i++) - printk(KERN_CONT " %02x", - ((unsigned char *)data)[i]); - } - printk(KERN_CONT "\n"); - } - - return rc; -} - - -/* - * cx231xx_read_ctrl_reg() - * reads data from the usb device specifying bRequest and wValue - */ -int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, - char *buf, int len) -{ - u8 val = 0; - int ret; - int pipe = usb_rcvctrlpipe(dev->udev, 0); - - if (dev->state & DEV_DISCONNECTED) - return -ENODEV; - - if (len > URB_MAX_CTRL_SIZE) - return -EINVAL; - - switch (len) { - case 1: - val = ENABLE_ONE_BYTE; - break; - case 2: - val = ENABLE_TWE_BYTE; - break; - case 3: - val = ENABLE_THREE_BYTE; - break; - case 4: - val = ENABLE_FOUR_BYTE; - break; - default: - val = 0xFF; /* invalid option */ - } - - if (val == 0xFF) - return -EINVAL; - - ret = __usb_control_msg(dev, pipe, req, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - val, reg, buf, len, HZ); - return ret; -} - -int cx231xx_send_vendor_cmd(struct cx231xx *dev, - struct VENDOR_REQUEST_IN *ven_req) -{ - int ret; - int pipe = 0; - int unsend_size = 0; - u8 *pdata; - - if (dev->state & DEV_DISCONNECTED) - return -ENODEV; - - if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) - return -EINVAL; - - if (ven_req->direction) - pipe = usb_rcvctrlpipe(dev->udev, 0); - else - pipe = usb_sndctrlpipe(dev->udev, 0); - - /* - * If the cx23102 read more than 4 bytes with i2c bus, - * need chop to 4 byte per request - */ - if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || - (ven_req->bRequest == 0x5) || - (ven_req->bRequest == 0x6))) { - unsend_size = 0; - pdata = ven_req->pBuff; - - - unsend_size = ven_req->wLength; - - /* the first package */ - ven_req->wValue = ven_req->wValue & 0xFFFB; - ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; - ret = __usb_control_msg(dev, pipe, ven_req->bRequest, - ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - ven_req->wValue, ven_req->wIndex, pdata, - 0x0004, HZ); - unsend_size = unsend_size - 4; - - /* the middle package */ - ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; - while (unsend_size - 4 > 0) { - pdata = pdata + 4; - ret = __usb_control_msg(dev, pipe, - ven_req->bRequest, - ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - ven_req->wValue, ven_req->wIndex, pdata, - 0x0004, HZ); - unsend_size = unsend_size - 4; - } - - /* the last package */ - ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; - pdata = pdata + 4; - ret = __usb_control_msg(dev, pipe, ven_req->bRequest, - ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - ven_req->wValue, ven_req->wIndex, pdata, - unsend_size, HZ); - } else { - ret = __usb_control_msg(dev, 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); - } - - return ret; -} - -/* - * cx231xx_write_ctrl_reg() - * sends data to the usb device, specifying bRequest - */ -int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, - int len) -{ - u8 val = 0; - int ret; - int pipe = usb_sndctrlpipe(dev->udev, 0); - - if (dev->state & DEV_DISCONNECTED) - return -ENODEV; - - if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) - return -EINVAL; - - switch (len) { - case 1: - val = ENABLE_ONE_BYTE; - break; - case 2: - val = ENABLE_TWE_BYTE; - break; - case 3: - val = ENABLE_THREE_BYTE; - break; - case 4: - val = ENABLE_FOUR_BYTE; - break; - default: - val = 0xFF; /* invalid option */ - } - - if (val == 0xFF) - return -EINVAL; - - if (reg_debug) { - 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); - - for (byte = 0; byte < len; byte++) - cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); - cx231xx_isocdbg("\n"); - } - - ret = __usb_control_msg(dev, pipe, req, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - val, reg, buf, len, HZ); - - return ret; -} - -/**************************************************************** -* USB Alternate Setting functions * -*****************************************************************/ - -int cx231xx_set_video_alternate(struct cx231xx *dev) -{ - int errCode, prev_alt = dev->video_mode.alt; - unsigned int min_pkt_size = dev->width * 2 + 4; - u32 usb_interface_index = 0; - - /* When image size is bigger than a certain value, - the frame size should be increased, otherwise, only - green screen will be received. - */ - if (dev->width * 2 * dev->height > 720 * 240 * 2) - min_pkt_size *= 2; - - if (dev->width > 360) { - /* resolutions: 720,704,640 */ - dev->video_mode.alt = 3; - } else if (dev->width > 180) { - /* resolutions: 360,352,320,240 */ - dev->video_mode.alt = 2; - } else if (dev->width > 0) { - /* resolutions: 180,176,160,128,88 */ - dev->video_mode.alt = 1; - } else { - /* Change to alt0 BULK to release USB bandwidth */ - dev->video_mode.alt = 0; - } - - if (dev->USE_ISO == 0) - dev->video_mode.alt = 0; - - cx231xx_coredbg("dev->video_mode.alt= %d\n", dev->video_mode.alt); - - /* Get the correct video interface Index */ - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - video_index + 1; - - if (dev->video_mode.alt != prev_alt) { - cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", - min_pkt_size, dev->video_mode.alt); - - if (dev->video_mode.alt_max_pkt_size != NULL) - dev->video_mode.max_pkt_size = - dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; - cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", - dev->video_mode.alt, - dev->video_mode.max_pkt_size); - errCode = - usb_set_interface(dev->udev, usb_interface_index, - dev->video_mode.alt); - if (errCode < 0) { - cx231xx_errdev - ("cannot change alt number to %d (error=%i)\n", - dev->video_mode.alt, errCode); - return errCode; - } - } - return 0; -} - -int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) -{ - int status = 0; - u32 usb_interface_index = 0; - u32 max_pkt_size = 0; - - switch (index) { - case INDEX_TS1: - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - ts1_index + 1; - dev->ts1_mode.alt = alt; - if (dev->ts1_mode.alt_max_pkt_size != NULL) - max_pkt_size = dev->ts1_mode.max_pkt_size = - dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; - break; - case INDEX_TS2: - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - ts2_index + 1; - break; - case INDEX_AUDIO: - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - audio_index + 1; - dev->adev.alt = alt; - if (dev->adev.alt_max_pkt_size != NULL) - max_pkt_size = dev->adev.max_pkt_size = - dev->adev.alt_max_pkt_size[dev->adev.alt]; - break; - case INDEX_VIDEO: - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - video_index + 1; - dev->video_mode.alt = alt; - if (dev->video_mode.alt_max_pkt_size != NULL) - max_pkt_size = dev->video_mode.max_pkt_size = - dev->video_mode.alt_max_pkt_size[dev->video_mode. - alt]; - break; - case INDEX_VANC: - if (dev->board.no_alt_vanc) - return 0; - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - vanc_index + 1; - dev->vbi_mode.alt = alt; - if (dev->vbi_mode.alt_max_pkt_size != NULL) - max_pkt_size = dev->vbi_mode.max_pkt_size = - dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; - break; - case INDEX_HANC: - usb_interface_index = - dev->current_pcb_config.hs_config_info[0].interface_info. - hanc_index + 1; - dev->sliced_cc_mode.alt = alt; - if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) - max_pkt_size = dev->sliced_cc_mode.max_pkt_size = - dev->sliced_cc_mode.alt_max_pkt_size[dev-> - sliced_cc_mode. - alt]; - break; - default: - break; - } - - if (alt > 0 && max_pkt_size == 0) { - cx231xx_errdev - ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n", - usb_interface_index, alt); - /*To workaround error number=-71 on EP0 for videograbber, - need add following codes.*/ - if (dev->board.no_alt_vanc) - return -1; - } - - cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u," - "Interface = %d\n", alt, max_pkt_size, - usb_interface_index); - - if (usb_interface_index > 0) { - status = usb_set_interface(dev->udev, usb_interface_index, alt); - if (status < 0) { - cx231xx_errdev - ("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) -{ - int rc = 0; - - if (!gpio) - return rc; - - /* Send GPIO reset sequences specified at board entry */ - while (gpio->sleep >= 0) { - rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); - if (rc < 0) - return rc; - - if (gpio->sleep > 0) - msleep(gpio->sleep); - - gpio++; - } - return rc; -} - -int cx231xx_demod_reset(struct cx231xx *dev) -{ - - u8 status = 0; - u8 value[4] = { 0, 0, 0, 0 }; - - status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, - value, 4); - - cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, - value[0], value[1], value[2], value[3]); - - cx231xx_coredbg("Enter cx231xx_demod_reset()\n"); - - value[1] = (u8) 0x3; - status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - PWR_CTL_EN, value, 4); - msleep(10); - - value[1] = (u8) 0x0; - status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - PWR_CTL_EN, value, 4); - msleep(10); - - value[1] = (u8) 0x3; - status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - PWR_CTL_EN, value, 4); - msleep(10); - - - - status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, - value, 4); - - cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, - value[0], value[1], value[2], value[3]); - - return status; -} -EXPORT_SYMBOL_GPL(cx231xx_demod_reset); -int is_fw_load(struct cx231xx *dev) -{ - return cx231xx_check_fw(dev); -} -EXPORT_SYMBOL_GPL(is_fw_load); - -int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) -{ - int errCode = 0; - - if (dev->mode == set_mode) - return 0; - - if (set_mode == CX231XX_SUSPEND) { - /* Set the chip in power saving mode */ - dev->mode = set_mode; - } - - /* Resource is locked */ - if (dev->mode != CX231XX_SUSPEND) - return -EINVAL; - - dev->mode = set_mode; - - if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { - /* set AGC mode to Digital */ - switch (dev->model) { - case CX231XX_BOARD_CNXT_CARRAERA: - case CX231XX_BOARD_CNXT_RDE_250: - case CX231XX_BOARD_CNXT_SHELBY: - case CX231XX_BOARD_CNXT_RDU_250: - errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); - break; - case CX231XX_BOARD_CNXT_RDE_253S: - case CX231XX_BOARD_CNXT_RDU_253S: - errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); - break; - case CX231XX_BOARD_HAUPPAUGE_EXETER: - errCode = cx231xx_set_power_mode(dev, - POLARIS_AVMODE_DIGITAL); - break; - default: - break; - } - } else/* Set Analog Power mode */ { - /* set AGC mode to Analog */ - switch (dev->model) { - case CX231XX_BOARD_CNXT_CARRAERA: - case CX231XX_BOARD_CNXT_RDE_250: - case CX231XX_BOARD_CNXT_SHELBY: - case CX231XX_BOARD_CNXT_RDU_250: - errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); - break; - case CX231XX_BOARD_CNXT_RDE_253S: - case CX231XX_BOARD_CNXT_RDU_253S: - case CX231XX_BOARD_HAUPPAUGE_EXETER: - case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: - case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: - case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: - errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); - break; - default: - break; - } - } - - return errCode ? -EINVAL : 0; -} -EXPORT_SYMBOL_GPL(cx231xx_set_mode); - -int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) -{ - int errCode = 0; - int actlen, ret = -ENOMEM; - u32 *buffer; - - buffer = kzalloc(4096, GFP_KERNEL); - if (buffer == NULL) { - cx231xx_info("out of mem\n"); - return -ENOMEM; - } - memcpy(&buffer[0], firmware, 4096); - - ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), - buffer, 4096, &actlen, 2000); - - if (ret) - cx231xx_info("bulk message failed: %d (%d/%d)", ret, - size, actlen); - else { - errCode = actlen != size ? -1 : 0; - } - kfree(buffer); - return errCode; -} - -/***************************************************************** -* URB Streaming functions * -******************************************************************/ - -/* - * IRQ callback, called by URB callback - */ -static void cx231xx_isoc_irq_callback(struct urb *urb) -{ - struct cx231xx_dmaqueue *dma_q = urb->context; - struct cx231xx_video_mode *vmode = - container_of(dma_q, struct cx231xx_video_mode, vidq); - struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); - int i; - - switch (urb->status) { - case 0: /* success */ - case -ETIMEDOUT: /* NAK */ - break; - case -ECONNRESET: /* kill */ - case -ENOENT: - case -ESHUTDOWN: - return; - default: /* error */ - cx231xx_isocdbg("urb completition error %d.\n", urb->status); - break; - } - - /* Copy data from URB */ - spin_lock(&dev->video_mode.slock); - dev->video_mode.isoc_ctl.isoc_copy(dev, urb); - spin_unlock(&dev->video_mode.slock); - - /* Reset urb buffers */ - for (i = 0; i < urb->number_of_packets; i++) { - urb->iso_frame_desc[i].status = 0; - urb->iso_frame_desc[i].actual_length = 0; - } - - urb->status = usb_submit_urb(urb, GFP_ATOMIC); - if (urb->status) { - cx231xx_isocdbg("urb resubmit failed (error=%i)\n", - urb->status); - } -} -/***************************************************************** -* URB Streaming functions * -******************************************************************/ - -/* - * IRQ callback, called by URB callback - */ -static void cx231xx_bulk_irq_callback(struct urb *urb) -{ - struct cx231xx_dmaqueue *dma_q = urb->context; - struct cx231xx_video_mode *vmode = - container_of(dma_q, struct cx231xx_video_mode, vidq); - struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); - - switch (urb->status) { - case 0: /* success */ - case -ETIMEDOUT: /* NAK */ - break; - case -ECONNRESET: /* kill */ - case -ENOENT: - case -ESHUTDOWN: - return; - default: /* error */ - cx231xx_isocdbg("urb completition error %d.\n", urb->status); - break; - } - - /* Copy data from URB */ - spin_lock(&dev->video_mode.slock); - dev->video_mode.bulk_ctl.bulk_copy(dev, urb); - spin_unlock(&dev->video_mode.slock); - - /* Reset urb buffers */ - urb->status = usb_submit_urb(urb, GFP_ATOMIC); - if (urb->status) { - cx231xx_isocdbg("urb resubmit failed (error=%i)\n", - urb->status); - } -} -/* - * Stop and Deallocate URBs - */ -void cx231xx_uninit_isoc(struct cx231xx *dev) -{ - struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; - struct urb *urb; - int i; - - cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); - - dev->video_mode.isoc_ctl.nfields = -1; - for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { - urb = dev->video_mode.isoc_ctl.urb[i]; - if (urb) { - if (!irqs_disabled()) - usb_kill_urb(urb); - else - usb_unlink_urb(urb); - - if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { - usb_free_coherent(dev->udev, - urb->transfer_buffer_length, - dev->video_mode.isoc_ctl. - transfer_buffer[i], - urb->transfer_dma); - } - usb_free_urb(urb); - dev->video_mode.isoc_ctl.urb[i] = NULL; - } - dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; - } - - kfree(dev->video_mode.isoc_ctl.urb); - kfree(dev->video_mode.isoc_ctl.transfer_buffer); - kfree(dma_q->p_left_data); - - dev->video_mode.isoc_ctl.urb = NULL; - dev->video_mode.isoc_ctl.transfer_buffer = NULL; - dev->video_mode.isoc_ctl.num_bufs = 0; - dma_q->p_left_data = NULL; - - if (dev->mode_tv == 0) - cx231xx_capture_start(dev, 0, Raw_Video); - else - cx231xx_capture_start(dev, 0, TS1_serial_mode); - - -} -EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); - -/* - * Stop and Deallocate URBs - */ -void cx231xx_uninit_bulk(struct cx231xx *dev) -{ - struct urb *urb; - int i; - - cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); - - dev->video_mode.bulk_ctl.nfields = -1; - for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { - urb = dev->video_mode.bulk_ctl.urb[i]; - if (urb) { - if (!irqs_disabled()) - usb_kill_urb(urb); - else - usb_unlink_urb(urb); - - if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { - usb_free_coherent(dev->udev, - urb->transfer_buffer_length, - dev->video_mode.isoc_ctl. - transfer_buffer[i], - urb->transfer_dma); - } - usb_free_urb(urb); - dev->video_mode.bulk_ctl.urb[i] = NULL; - } - dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; - } - - kfree(dev->video_mode.bulk_ctl.urb); - kfree(dev->video_mode.bulk_ctl.transfer_buffer); - - dev->video_mode.bulk_ctl.urb = NULL; - dev->video_mode.bulk_ctl.transfer_buffer = NULL; - dev->video_mode.bulk_ctl.num_bufs = 0; - - if (dev->mode_tv == 0) - cx231xx_capture_start(dev, 0, Raw_Video); - else - cx231xx_capture_start(dev, 0, TS1_serial_mode); - - -} -EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); - -/* - * Allocate URBs and start IRQ - */ -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)) -{ - struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; - int i; - int sb_size, pipe; - struct urb *urb; - int j, k; - int rc; - - /* De-allocates all pending stuff */ - cx231xx_uninit_isoc(dev); - - dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); - if (dma_q->p_left_data == NULL) { - cx231xx_info("out of mem\n"); - return -ENOMEM; - } - - - - dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; - dev->video_mode.isoc_ctl.num_bufs = num_bufs; - dma_q->pos = 0; - dma_q->is_partial_line = 0; - dma_q->last_sav = 0; - dma_q->current_field = -1; - dma_q->field1_done = 0; - dma_q->lines_per_field = dev->height / 2; - dma_q->bytes_left_in_line = dev->width << 1; - dma_q->lines_completed = 0; - dma_q->mpeg_buffer_done = 0; - dma_q->left_data_count = 0; - dma_q->mpeg_buffer_completed = 0; - dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; - dma_q->ps_head[0] = 0x00; - dma_q->ps_head[1] = 0x00; - dma_q->ps_head[2] = 0x01; - dma_q->ps_head[3] = 0xBA; - for (i = 0; i < 8; i++) - dma_q->partial_buf[i] = 0; - - dev->video_mode.isoc_ctl.urb = - kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); - if (!dev->video_mode.isoc_ctl.urb) { - cx231xx_errdev("cannot alloc memory for usb buffers\n"); - return -ENOMEM; - } - - dev->video_mode.isoc_ctl.transfer_buffer = - kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); - if (!dev->video_mode.isoc_ctl.transfer_buffer) { - cx231xx_errdev("cannot allocate memory for usbtransfer\n"); - kfree(dev->video_mode.isoc_ctl.urb); - return -ENOMEM; - } - - dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; - dev->video_mode.isoc_ctl.buf = NULL; - - sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; - - if (dev->mode_tv == 1) - dev->video_mode.end_point_addr = 0x81; - else - dev->video_mode.end_point_addr = 0x84; - - - /* allocate urbs and transfer buffers */ - for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { - urb = usb_alloc_urb(max_packets, GFP_KERNEL); - if (!urb) { - cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i); - cx231xx_uninit_isoc(dev); - return -ENOMEM; - } - dev->video_mode.isoc_ctl.urb[i] = urb; - - dev->video_mode.isoc_ctl.transfer_buffer[i] = - usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, - &urb->transfer_dma); - if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { - cx231xx_err("unable to allocate %i bytes for transfer" - " buffer %i%s\n", - sb_size, i, - in_interrupt() ? " while in int" : ""); - cx231xx_uninit_isoc(dev); - return -ENOMEM; - } - memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); - - pipe = - usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); - - usb_fill_int_urb(urb, dev->udev, pipe, - dev->video_mode.isoc_ctl.transfer_buffer[i], - sb_size, cx231xx_isoc_irq_callback, dma_q, 1); - - urb->number_of_packets = max_packets; - urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; - - k = 0; - for (j = 0; j < max_packets; j++) { - urb->iso_frame_desc[j].offset = k; - urb->iso_frame_desc[j].length = - dev->video_mode.isoc_ctl.max_pkt_size; - k += dev->video_mode.isoc_ctl.max_pkt_size; - } - } - - init_waitqueue_head(&dma_q->wq); - - /* submit urbs and enables IRQ */ - for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { - rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], - GFP_ATOMIC); - if (rc) { - cx231xx_err("submit of urb %i failed (error=%i)\n", i, - rc); - cx231xx_uninit_isoc(dev); - return rc; - } - } - - if (dev->mode_tv == 0) - cx231xx_capture_start(dev, 1, Raw_Video); - else - cx231xx_capture_start(dev, 1, TS1_serial_mode); - - return 0; -} -EXPORT_SYMBOL_GPL(cx231xx_init_isoc); - -/* - * Allocate URBs and start IRQ - */ -int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, - int num_bufs, int max_pkt_size, - int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) -{ - struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; - int i; - int sb_size, pipe; - struct urb *urb; - int rc; - - dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; - - cx231xx_coredbg("Setting Video mux to %d\n", dev->video_input); - - video_mux(dev, dev->video_input); - - /* De-allocates all pending stuff */ - cx231xx_uninit_bulk(dev); - - dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; - dev->video_mode.bulk_ctl.num_bufs = num_bufs; - dma_q->pos = 0; - dma_q->is_partial_line = 0; - dma_q->last_sav = 0; - dma_q->current_field = -1; - dma_q->field1_done = 0; - dma_q->lines_per_field = dev->height / 2; - dma_q->bytes_left_in_line = dev->width << 1; - dma_q->lines_completed = 0; - dma_q->mpeg_buffer_done = 0; - dma_q->left_data_count = 0; - dma_q->mpeg_buffer_completed = 0; - dma_q->ps_head[0] = 0x00; - dma_q->ps_head[1] = 0x00; - dma_q->ps_head[2] = 0x01; - dma_q->ps_head[3] = 0xBA; - for (i = 0; i < 8; i++) - dma_q->partial_buf[i] = 0; - - dev->video_mode.bulk_ctl.urb = - kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); - if (!dev->video_mode.bulk_ctl.urb) { - cx231xx_errdev("cannot alloc memory for usb buffers\n"); - return -ENOMEM; - } - - dev->video_mode.bulk_ctl.transfer_buffer = - kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); - if (!dev->video_mode.bulk_ctl.transfer_buffer) { - cx231xx_errdev("cannot allocate memory for usbtransfer\n"); - kfree(dev->video_mode.bulk_ctl.urb); - return -ENOMEM; - } - - dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; - dev->video_mode.bulk_ctl.buf = NULL; - - sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; - - if (dev->mode_tv == 1) - dev->video_mode.end_point_addr = 0x81; - else - dev->video_mode.end_point_addr = 0x84; - - - /* allocate urbs and transfer buffers */ - for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { - urb = usb_alloc_urb(0, GFP_KERNEL); - if (!urb) { - cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i); - cx231xx_uninit_bulk(dev); - return -ENOMEM; - } - dev->video_mode.bulk_ctl.urb[i] = urb; - urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; - - dev->video_mode.bulk_ctl.transfer_buffer[i] = - usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, - &urb->transfer_dma); - if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { - cx231xx_err("unable to allocate %i bytes for transfer" - " buffer %i%s\n", - sb_size, i, - in_interrupt() ? " while in int" : ""); - cx231xx_uninit_bulk(dev); - return -ENOMEM; - } - memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); - - pipe = usb_rcvbulkpipe(dev->udev, - dev->video_mode.end_point_addr); - usb_fill_bulk_urb(urb, dev->udev, pipe, - dev->video_mode.bulk_ctl.transfer_buffer[i], - sb_size, cx231xx_bulk_irq_callback, dma_q); - } - - init_waitqueue_head(&dma_q->wq); - - /* submit urbs and enables IRQ */ - for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { - rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], - GFP_ATOMIC); - if (rc) { - cx231xx_err("submit of urb %i failed (error=%i)\n", i, - rc); - cx231xx_uninit_bulk(dev); - return rc; - } - } - - if (dev->mode_tv == 0) - cx231xx_capture_start(dev, 1, Raw_Video); - else - cx231xx_capture_start(dev, 1, TS1_serial_mode); - - return 0; -} -EXPORT_SYMBOL_GPL(cx231xx_init_bulk); -void cx231xx_stop_TS1(struct cx231xx *dev) -{ - u8 val[4] = { 0, 0, 0, 0 }; - - val[0] = 0x00; - val[1] = 0x03; - val[2] = 0x00; - val[3] = 0x00; - cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - TS_MODE_REG, val, 4); - - val[0] = 0x00; - val[1] = 0x70; - val[2] = 0x04; - val[3] = 0x00; - cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - TS1_CFG_REG, val, 4); -} -/* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ -void cx231xx_start_TS1(struct cx231xx *dev) -{ - u8 val[4] = { 0, 0, 0, 0 }; - - val[0] = 0x03; - val[1] = 0x03; - val[2] = 0x00; - val[3] = 0x00; - cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - TS_MODE_REG, val, 4); - - val[0] = 0x04; - val[1] = 0xA3; - val[2] = 0x3B; - val[3] = 0x00; - cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, - TS1_CFG_REG, val, 4); -} -/* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ -/***************************************************************** -* Device Init/UnInit functions * -******************************************************************/ -int cx231xx_dev_init(struct cx231xx *dev) -{ - int errCode = 0; - - /* Initialize I2C bus */ - - /* External Master 1 Bus */ - dev->i2c_bus[0].nr = 0; - dev->i2c_bus[0].dev = dev; - dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ - dev->i2c_bus[0].i2c_nostop = 0; - dev->i2c_bus[0].i2c_reserve = 0; - - /* External Master 2 Bus */ - dev->i2c_bus[1].nr = 1; - dev->i2c_bus[1].dev = dev; - dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ - dev->i2c_bus[1].i2c_nostop = 0; - dev->i2c_bus[1].i2c_reserve = 0; - - /* Internal Master 3 Bus */ - dev->i2c_bus[2].nr = 2; - dev->i2c_bus[2].dev = dev; - dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ - dev->i2c_bus[2].i2c_nostop = 0; - dev->i2c_bus[2].i2c_reserve = 0; - - /* register I2C buses */ - cx231xx_i2c_register(&dev->i2c_bus[0]); - cx231xx_i2c_register(&dev->i2c_bus[1]); - cx231xx_i2c_register(&dev->i2c_bus[2]); - - /* init hardware */ - /* Note : with out calling set power mode function, - afe can not be set up correctly */ - if (dev->board.external_av) { - errCode = cx231xx_set_power_mode(dev, - POLARIS_AVMODE_ENXTERNAL_AV); - if (errCode < 0) { - cx231xx_errdev - ("%s: Failed to set Power - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - } else { - errCode = cx231xx_set_power_mode(dev, - POLARIS_AVMODE_ANALOGT_TV); - if (errCode < 0) { - cx231xx_errdev - ("%s: Failed to set Power - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - } - - /* reset the Tuner, if it is a Xceive tuner */ - if ((dev->board.tuner_type == TUNER_XC5000) || - (dev->board.tuner_type == TUNER_XC2028)) - cx231xx_gpio_set(dev, dev->board.tuner_gpio); - - /* initialize Colibri block */ - errCode = cx231xx_afe_init_super_block(dev, 0x23c); - if (errCode < 0) { - cx231xx_errdev - ("%s: cx231xx_afe init super block - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - errCode = cx231xx_afe_init_channels(dev); - if (errCode < 0) { - cx231xx_errdev - ("%s: cx231xx_afe init channels - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - - /* Set DIF in By pass mode */ - errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); - if (errCode < 0) { - cx231xx_errdev - ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - - /* I2S block related functions */ - errCode = cx231xx_i2s_blk_initialize(dev); - if (errCode < 0) { - cx231xx_errdev - ("%s: cx231xx_i2s block initialize - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - - /* init control pins */ - errCode = cx231xx_init_ctrl_pin_status(dev); - if (errCode < 0) { - cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - - /* set AGC mode to Analog */ - switch (dev->model) { - case CX231XX_BOARD_CNXT_CARRAERA: - case CX231XX_BOARD_CNXT_RDE_250: - case CX231XX_BOARD_CNXT_SHELBY: - case CX231XX_BOARD_CNXT_RDU_250: - errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); - break; - case CX231XX_BOARD_CNXT_RDE_253S: - case CX231XX_BOARD_CNXT_RDU_253S: - case CX231XX_BOARD_HAUPPAUGE_EXETER: - case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: - case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: - case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: - errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); - break; - default: - break; - } - if (errCode < 0) { - cx231xx_errdev - ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", - __func__, errCode); - return errCode; - } - - /* set all alternate settings to zero initially */ - cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); - cx231xx_set_alt_setting(dev, INDEX_VANC, 0); - cx231xx_set_alt_setting(dev, INDEX_HANC, 0); - if (dev->board.has_dvb) - cx231xx_set_alt_setting(dev, INDEX_TS1, 0); - - /* set the I2C master port to 3 on channel 1 */ - errCode = cx231xx_enable_i2c_port_3(dev, true); - - return errCode; -} -EXPORT_SYMBOL_GPL(cx231xx_dev_init); - -void cx231xx_dev_uninit(struct cx231xx *dev) -{ - /* Un Initialize I2C bus */ - cx231xx_i2c_unregister(&dev->i2c_bus[2]); - 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 * -******************************************************************/ -int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, - u8 len, u8 request, u8 direction) -{ - int status = 0; - struct VENDOR_REQUEST_IN ven_req; - - /* Set wValue */ - ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); - - /* set request */ - if (!request) { - if (direction) - ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */ - else - ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */ - } else { - if (direction) - ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */ - else - ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */ - } - - /* set index value */ - ven_req.wIndex = (u16) (gpio_bit & 0xffff); - - /* set wLength value */ - ven_req.wLength = len; - - /* set bData value */ - ven_req.bData = 0; - - /* set the buffer for read / write */ - ven_req.pBuff = gpio_val; - - /* set the direction */ - if (direction) { - ven_req.direction = USB_DIR_IN; - memset(ven_req.pBuff, 0x00, ven_req.wLength); - } else - ven_req.direction = USB_DIR_OUT; - - - /* call common vendor command request */ - status = cx231xx_send_vendor_cmd(dev, &ven_req); - if (status < 0) { - cx231xx_info - ("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 * - *****************************************************************/ -int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) -{ - u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; - u32 tmp = 0; - int status = 0; - - status = - cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); - if (status < 0) - return status; - - tmp = *((u32 *) value); - tmp |= mode; - - value[0] = (u8) tmp; - value[1] = (u8) (tmp >> 8); - value[2] = (u8) (tmp >> 16); - value[3] = (u8) (tmp >> 24); - - status = - cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); - - return status; -} - -/***************************************************************** - * I 2 C Internal C O N T R O L functions * - *****************************************************************/ -int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, - u8 saddr_len, u32 *data, u8 data_len, int master) -{ - int status = 0; - struct cx231xx_i2c_xfer_data req_data; - u8 value[64] = "0"; - - if (saddr_len == 0) - saddr = 0; - else if (saddr_len == 1) - saddr &= 0xff; - - /* prepare xfer_data struct */ - req_data.dev_addr = dev_addr >> 1; - req_data.direction = I2C_M_RD; - req_data.saddr_len = saddr_len; - req_data.saddr_dat = saddr; - req_data.buf_size = data_len; - req_data.p_buffer = (u8 *) value; - - /* usb send command */ - if (master == 0) - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], - &req_data); - else if (master == 1) - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], - &req_data); - else if (master == 2) - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], - &req_data); - - if (status >= 0) { - /* Copy the data read back to main buffer */ - if (data_len == 1) - *data = value[0]; - else if (data_len == 4) - *data = - value[0] | value[1] << 8 | value[2] << 16 | value[3] - << 24; - else if (data_len > 4) - *data = value[saddr]; - } - - return status; -} - -int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, - u8 saddr_len, u32 data, u8 data_len, int master) -{ - int status = 0; - u8 value[4] = { 0, 0, 0, 0 }; - struct cx231xx_i2c_xfer_data req_data; - - value[0] = (u8) data; - value[1] = (u8) (data >> 8); - value[2] = (u8) (data >> 16); - value[3] = (u8) (data >> 24); - - if (saddr_len == 0) - saddr = 0; - else if (saddr_len == 1) - saddr &= 0xff; - - /* prepare xfer_data struct */ - req_data.dev_addr = dev_addr >> 1; - req_data.direction = 0; - req_data.saddr_len = saddr_len; - req_data.saddr_dat = saddr; - req_data.buf_size = data_len; - req_data.p_buffer = value; - - /* usb send command */ - if (master == 0) - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], - &req_data); - else if (master == 1) - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], - &req_data); - else if (master == 2) - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], - &req_data); - - return status; -} - -int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, - u8 saddr_len, u32 *data, u8 data_len) -{ - int status = 0; - struct cx231xx_i2c_xfer_data req_data; - u8 value[4] = { 0, 0, 0, 0 }; - - if (saddr_len == 0) - saddr = 0; - else if (saddr_len == 1) - saddr &= 0xff; - - /* prepare xfer_data struct */ - req_data.dev_addr = dev_addr >> 1; - req_data.direction = I2C_M_RD; - req_data.saddr_len = saddr_len; - req_data.saddr_dat = saddr; - req_data.buf_size = data_len; - req_data.p_buffer = (u8 *) value; - - /* usb send command */ - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); - - if (status >= 0) { - /* Copy the data read back to main buffer */ - if (data_len == 1) - *data = value[0]; - else - *data = - value[0] | value[1] << 8 | value[2] << 16 | value[3] - << 24; - } - - return status; -} - -int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, - u8 saddr_len, u32 data, u8 data_len) -{ - int status = 0; - u8 value[4] = { 0, 0, 0, 0 }; - struct cx231xx_i2c_xfer_data req_data; - - value[0] = (u8) data; - value[1] = (u8) (data >> 8); - value[2] = (u8) (data >> 16); - value[3] = (u8) (data >> 24); - - if (saddr_len == 0) - saddr = 0; - else if (saddr_len == 1) - saddr &= 0xff; - - /* prepare xfer_data struct */ - req_data.dev_addr = dev_addr >> 1; - req_data.direction = 0; - req_data.saddr_len = saddr_len; - req_data.saddr_dat = saddr; - req_data.buf_size = data_len; - req_data.p_buffer = value; - - /* usb send command */ - status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); - - return status; -} - -int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, - u16 register_address, u8 bit_start, u8 bit_end, - u32 value) -{ - int status = 0; - u32 tmp; - u32 mask = 0; - int i; - - if (bit_start > (size - 1) || bit_end > (size - 1)) - return -1; - - if (size == 8) { - status = - cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, - &tmp, 1); - } else { - status = - cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, - &tmp, 4); - } - - if (status < 0) - return status; - - mask = 1 << bit_end; - for (i = bit_end; i > bit_start && i > 0; i--) - mask = mask + (1 << (i - 1)); - - value <<= bit_start; - - if (size == 8) { - tmp &= ~mask; - tmp |= value; - tmp &= 0xff; - status = - cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, - tmp, 1); - } else { - tmp &= ~mask; - tmp |= value; - status = - cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, - tmp, 4); - } - - return status; -} - -int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, - u16 saddr, u32 mask, u32 value) -{ - u32 temp; - int status = 0; - - status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); - - if (status < 0) - return status; - - temp &= ~mask; - temp |= value; - - status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); - - return status; -} - -u32 cx231xx_set_field(u32 field_mask, u32 data) -{ - u32 temp; - - for (temp = field_mask; (temp & 1) == 0; temp >>= 1) - data <<= 1; - - return data; -} |