ce6230.rar

  • PUDN用户
    了解作者
  • Unix_Linux
    开发工具
  • 4KB
    文件大小
  • rar
    文件格式
  • 0
    收藏次数
  • 1 积分
    下载积分
  • 1
    下载次数
  • 2015-04-08 09:46
    上传日期
Intel CE6230 DVB USB driver.
ce6230.rar
  • ce6230.h
    1.5KB
  • ce6230.c
    7.1KB
内容介绍
/* * Intel CE6230 DVB USB driver * * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> * * 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 "ce6230.h" DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req) { int ret; unsigned int pipe; u8 request; u8 requesttype; u16 value; u16 index; u8 *buf; request = req->cmd; value = req->value; index = req->index; switch (req->cmd) { case I2C_READ: case DEMOD_READ: case REG_READ: requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); break; case I2C_WRITE: case DEMOD_WRITE: case REG_WRITE: requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); break; default: dev_err(&d->udev->dev, "%s: unknown command=%02x\n", KBUILD_MODNAME, req->cmd); ret = -EINVAL; goto error; } buf = kmalloc(req->data_len, GFP_KERNEL); if (!buf) { ret = -ENOMEM; goto error; } if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) { /* write */ memcpy(buf, req->data, req->data_len); pipe = usb_sndctrlpipe(d->udev, 0); } else { /* read */ pipe = usb_rcvctrlpipe(d->udev, 0); } msleep(1); /* avoid I2C errors */ ret = usb_control_msg(d->udev, pipe, request, requesttype, value, index, buf, req->data_len, CE6230_USB_TIMEOUT); dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, value, index, buf, req->data_len); if (ret < 0) dev_err(&d->udev->dev, "%s: usb_control_msg() failed=%d\n", KBUILD_MODNAME, ret); else ret = 0; /* read request, copy returned data to return buf */ if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) memcpy(req->data, buf, req->data_len); kfree(buf); error: return ret; } /* I2C */ static struct zl10353_config ce6230_zl10353_config; static int ce6230_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); int ret = 0, i = 0; struct usb_req req; if (num > 2) return -EOPNOTSUPP; memset(&req, 0, sizeof(req)); if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EAGAIN; while (i < num) { if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) { if (msg[i].addr == ce6230_zl10353_config.demod_address) { req.cmd = DEMOD_READ; req.value = msg[i].addr >> 1; req.index = msg[i].buf[0]; req.data_len = msg[i+1].len; req.data = &msg[i+1].buf[0]; ret = ce6230_ctrl_msg(d, &req); } else { dev_err(&d->udev->dev, "%s: I2C read not " \ "implemented\n", KBUILD_MODNAME); ret = -EOPNOTSUPP; } i += 2; } else { if (msg[i].addr == ce6230_zl10353_config.demod_address) { req.cmd = DEMOD_WRITE; req.value = msg[i].addr >> 1; req.index = msg[i].buf[0]; req.data_len = msg[i].len-1; req.data = &msg[i].buf[1]; ret = ce6230_ctrl_msg(d, &req); } else { req.cmd = I2C_WRITE; req.value = 0x2000 + (msg[i].addr >> 1); req.index = 0x0000; req.data_len = msg[i].len; req.data = &msg[i].buf[0]; ret = ce6230_ctrl_msg(d, &req); } i += 1; } if (ret) break; } mutex_unlock(&d->i2c_mutex); return ret ? ret : i; } static u32 ce6230_i2c_functionality(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; } static struct i2c_algorithm ce6230_i2c_algorithm = { .master_xfer = ce6230_i2c_master_xfer, .functionality = ce6230_i2c_functionality, }; /* Callbacks for DVB USB */ static struct zl10353_config ce6230_zl10353_config = { .demod_address = 0x1e, .adc_clock = 450000, .if2 = 45700, .no_tuner = 1, .parallel_ts = 1, .clock_ctl_1 = 0x34, .pll_0 = 0x0e, }; static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); dev_dbg(&d->udev->dev, "%s:\n", __func__); adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config, &d->i2c_adap); if (adap->fe[0] == NULL) return -ENODEV; return 0; } static struct mxl5005s_config ce6230_mxl5003s_config = { .i2c_address = 0xc6, .if_freq = IF_FREQ_4570000HZ, .xtal_freq = CRYSTAL_FREQ_16000000HZ, .agc_mode = MXL_SINGLE_AGC, .tracking_filter = MXL_TF_DEFAULT, .rssi_enable = MXL_RSSI_ENABLE, .cap_select = MXL_CAP_SEL_ENABLE, .div_out = MXL_DIV_OUT_4, .clock_out = MXL_CLOCK_OUT_DISABLE, .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, .top = MXL5005S_TOP_25P2, .mod_mode = MXL_DIGITAL_MODE, .if_mode = MXL_ZERO_IF, .AgcMasterByte = 0x00, }; static int ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); int ret; dev_dbg(&d->udev->dev, "%s:\n", __func__); ret = dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap, &ce6230_mxl5003s_config) == NULL ? -ENODEV : 0; return ret; } static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); /* InterfaceNumber 1 / AlternateSetting 0 idle InterfaceNumber 1 / AlternateSetting 1 streaming */ ret = usb_set_interface(d->udev, 1, onoff); if (ret) dev_err(&d->udev->dev, "%s: usb_set_interface() failed=%d\n", KBUILD_MODNAME, ret); return ret; } /* DVB USB Driver stuff */ static struct dvb_usb_device_properties ce6230_props = { .driver_name = KBUILD_MODNAME, .owner = THIS_MODULE, .adapter_nr = adapter_nr, .bInterfaceNumber = 1, .i2c_algo = &ce6230_i2c_algorithm, .power_ctrl = ce6230_power_ctrl, .frontend_attach = ce6230_zl10353_frontend_attach, .tuner_attach = ce6230_mxl5003s_tuner_attach, .num_adapters = 1, .adapter = { { .stream = { .type = USB_BULK, .count = 6, .endpoint = 0x82, .u = { .bulk = { .buffersize = (16 * 512), } } }, } }, }; static const struct usb_device_id ce6230_id_table[] = { { DVB_USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500, &ce6230_props, "Intel CE9500 reference design", NULL) }, { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310, &ce6230_props, "AVerMedia A310 USB 2.0 DVB-T tuner", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, ce6230_id_table); static struct usb_driver ce6230_usb_driver = { .name = KBUILD_MODNAME, .id_table = ce6230_id_table, .probe = dvb_usbv2_probe, .disconnect = dvb_usbv2_disconnect, .suspend = dvb_usbv2_suspend, .resume = dvb_usbv2_resume, .reset_resume = dvb_usbv2_reset_resume, .no_dynamic_id = 1, .soft_unbind = 1, }; module_usb_driver(ce6230_usb_driver); MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_DESCRIPTION("Intel CE6230 driver"); MODULE_LICENSE("GPL");
评论
    相关推荐
    • 数据库课程设计
      一个数据库课程设计,access管理工具实现,用的是窗体!
    • 数据库课程设计
      数据库课程设计十分完整有需要的请下载啊谢谢
    • 数据库课程设计
      广东工业大学数据库课程设计,可视化界面连接数据库,delphi7
    • 数据库课程设计
      数据库课程设计实验及其描述 数据库课程设计实验及其描述 数据库课程设计实验及其描述 数据库课程设计实验及其描述 数据库课程设计实验及其描述 数据库课程设计实验及其描述
    • 数据库课程设计
      数据库课程设计》由周爱武、汪海威、肖云编著,遵循数据库课程设计的具体要求,独立于具体的数据库教材,从实际应用系统的需求着手,引导读者逐步完成数据库设计全过程,重点讲解数据库系统的需求分析、概念设计、...
    • 数据库课程设计
      数据库课程设计人事管理系统 数据库课程设计人事管理系统数据库课程设计人事管理系统数据库课程设计人事管理系统数据库课程设计人事管理系统数据库课程设计人事管理系统数据库课程设计人事管理系统数据库课程设计...
    • 数据库课程设计
      数据库课程设计,基于visual basic自助银行管理系统,界面很清爽,实用。同学都说好,所以就上传了!!!
    • 数据库课程设计
      数据库课程设计 里面有详细的文档资料 包含数据库一切的图 以及生成的数据库表文件 期末得分为优秀
    • 数据库课程设计
      可以作为数据库课程设计,也可以作为Java的课程设计,内容全面。本资源转载的,非本人原创。用于交流学习,特此申明!
    • 数据库课程设计
      数据库课程设计蓝天大学学生管理系统 2.商店信息管理系统 3.实验室机房收费管理系统 4.图书馆资料检索系统 5.企业库存管理系统 6.仓库管理系统 7.工程项目管理系统 8.教材管理系统 9.企业人事管理系统 10.企业财务...