1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2786baecfSMauro Carvalho Chehab /*
3786baecfSMauro Carvalho Chehab * Intel CE6230 DVB USB driver
4786baecfSMauro Carvalho Chehab *
5786baecfSMauro Carvalho Chehab * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
6786baecfSMauro Carvalho Chehab */
7786baecfSMauro Carvalho Chehab
8786baecfSMauro Carvalho Chehab #include "ce6230.h"
9786baecfSMauro Carvalho Chehab
10786baecfSMauro Carvalho Chehab DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
11786baecfSMauro Carvalho Chehab
ce6230_ctrl_msg(struct dvb_usb_device * d,struct usb_req * req)12786baecfSMauro Carvalho Chehab static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
13786baecfSMauro Carvalho Chehab {
14786baecfSMauro Carvalho Chehab int ret;
15786baecfSMauro Carvalho Chehab unsigned int pipe;
16786baecfSMauro Carvalho Chehab u8 request;
17786baecfSMauro Carvalho Chehab u8 requesttype;
18786baecfSMauro Carvalho Chehab u16 value;
19786baecfSMauro Carvalho Chehab u16 index;
20786baecfSMauro Carvalho Chehab u8 *buf;
21786baecfSMauro Carvalho Chehab
22786baecfSMauro Carvalho Chehab request = req->cmd;
23786baecfSMauro Carvalho Chehab value = req->value;
24786baecfSMauro Carvalho Chehab index = req->index;
25786baecfSMauro Carvalho Chehab
26786baecfSMauro Carvalho Chehab switch (req->cmd) {
27786baecfSMauro Carvalho Chehab case I2C_READ:
28786baecfSMauro Carvalho Chehab case DEMOD_READ:
29786baecfSMauro Carvalho Chehab case REG_READ:
30786baecfSMauro Carvalho Chehab requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
31786baecfSMauro Carvalho Chehab break;
32786baecfSMauro Carvalho Chehab case I2C_WRITE:
33786baecfSMauro Carvalho Chehab case DEMOD_WRITE:
34786baecfSMauro Carvalho Chehab case REG_WRITE:
35786baecfSMauro Carvalho Chehab requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
36786baecfSMauro Carvalho Chehab break;
37786baecfSMauro Carvalho Chehab default:
38b072eee0SAntti Palosaari dev_err(&d->udev->dev, "%s: unknown command=%02x\n",
39b072eee0SAntti Palosaari KBUILD_MODNAME, req->cmd);
40786baecfSMauro Carvalho Chehab ret = -EINVAL;
41786baecfSMauro Carvalho Chehab goto error;
42786baecfSMauro Carvalho Chehab }
43786baecfSMauro Carvalho Chehab
44786baecfSMauro Carvalho Chehab buf = kmalloc(req->data_len, GFP_KERNEL);
45786baecfSMauro Carvalho Chehab if (!buf) {
46786baecfSMauro Carvalho Chehab ret = -ENOMEM;
47786baecfSMauro Carvalho Chehab goto error;
48786baecfSMauro Carvalho Chehab }
49786baecfSMauro Carvalho Chehab
50786baecfSMauro Carvalho Chehab if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) {
51786baecfSMauro Carvalho Chehab /* write */
52786baecfSMauro Carvalho Chehab memcpy(buf, req->data, req->data_len);
53786baecfSMauro Carvalho Chehab pipe = usb_sndctrlpipe(d->udev, 0);
54786baecfSMauro Carvalho Chehab } else {
55786baecfSMauro Carvalho Chehab /* read */
56786baecfSMauro Carvalho Chehab pipe = usb_rcvctrlpipe(d->udev, 0);
57786baecfSMauro Carvalho Chehab }
58786baecfSMauro Carvalho Chehab
59786baecfSMauro Carvalho Chehab msleep(1); /* avoid I2C errors */
60786baecfSMauro Carvalho Chehab
61786baecfSMauro Carvalho Chehab ret = usb_control_msg(d->udev, pipe, request, requesttype, value, index,
62786baecfSMauro Carvalho Chehab buf, req->data_len, CE6230_USB_TIMEOUT);
63786baecfSMauro Carvalho Chehab
64d89b9369SAntti Palosaari dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, value, index,
65d89b9369SAntti Palosaari buf, req->data_len);
66786baecfSMauro Carvalho Chehab
67786baecfSMauro Carvalho Chehab if (ret < 0)
68b072eee0SAntti Palosaari dev_err(&d->udev->dev, "%s: usb_control_msg() failed=%d\n",
69b072eee0SAntti Palosaari KBUILD_MODNAME, ret);
70786baecfSMauro Carvalho Chehab else
71786baecfSMauro Carvalho Chehab ret = 0;
72786baecfSMauro Carvalho Chehab
73786baecfSMauro Carvalho Chehab /* read request, copy returned data to return buf */
74786baecfSMauro Carvalho Chehab if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
75786baecfSMauro Carvalho Chehab memcpy(req->data, buf, req->data_len);
76786baecfSMauro Carvalho Chehab
77786baecfSMauro Carvalho Chehab kfree(buf);
78786baecfSMauro Carvalho Chehab error:
79786baecfSMauro Carvalho Chehab return ret;
80786baecfSMauro Carvalho Chehab }
81786baecfSMauro Carvalho Chehab
82786baecfSMauro Carvalho Chehab /* I2C */
83786baecfSMauro Carvalho Chehab static struct zl10353_config ce6230_zl10353_config;
84786baecfSMauro Carvalho Chehab
ce6230_i2c_master_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)85786baecfSMauro Carvalho Chehab static int ce6230_i2c_master_xfer(struct i2c_adapter *adap,
86786baecfSMauro Carvalho Chehab struct i2c_msg msg[], int num)
87786baecfSMauro Carvalho Chehab {
88786baecfSMauro Carvalho Chehab struct dvb_usb_device *d = i2c_get_adapdata(adap);
89786baecfSMauro Carvalho Chehab int ret = 0, i = 0;
90786baecfSMauro Carvalho Chehab struct usb_req req;
91786baecfSMauro Carvalho Chehab
92786baecfSMauro Carvalho Chehab if (num > 2)
93786baecfSMauro Carvalho Chehab return -EOPNOTSUPP;
94786baecfSMauro Carvalho Chehab
95786baecfSMauro Carvalho Chehab memset(&req, 0, sizeof(req));
96786baecfSMauro Carvalho Chehab
97786baecfSMauro Carvalho Chehab if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
98786baecfSMauro Carvalho Chehab return -EAGAIN;
99786baecfSMauro Carvalho Chehab
100786baecfSMauro Carvalho Chehab while (i < num) {
101786baecfSMauro Carvalho Chehab if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
102786baecfSMauro Carvalho Chehab if (msg[i].addr ==
103786baecfSMauro Carvalho Chehab ce6230_zl10353_config.demod_address) {
104*dff91909SWei Chen if (msg[i].len < 1) {
105*dff91909SWei Chen i = -EOPNOTSUPP;
106*dff91909SWei Chen break;
107*dff91909SWei Chen }
108786baecfSMauro Carvalho Chehab req.cmd = DEMOD_READ;
109786baecfSMauro Carvalho Chehab req.value = msg[i].addr >> 1;
110786baecfSMauro Carvalho Chehab req.index = msg[i].buf[0];
111786baecfSMauro Carvalho Chehab req.data_len = msg[i+1].len;
112786baecfSMauro Carvalho Chehab req.data = &msg[i+1].buf[0];
113786baecfSMauro Carvalho Chehab ret = ce6230_ctrl_msg(d, &req);
114786baecfSMauro Carvalho Chehab } else {
115b072eee0SAntti Palosaari dev_err(&d->udev->dev, "%s: I2C read not " \
116b072eee0SAntti Palosaari "implemented\n",
117786baecfSMauro Carvalho Chehab KBUILD_MODNAME);
118786baecfSMauro Carvalho Chehab ret = -EOPNOTSUPP;
119786baecfSMauro Carvalho Chehab }
120786baecfSMauro Carvalho Chehab i += 2;
121786baecfSMauro Carvalho Chehab } else {
122786baecfSMauro Carvalho Chehab if (msg[i].addr ==
123786baecfSMauro Carvalho Chehab ce6230_zl10353_config.demod_address) {
124*dff91909SWei Chen if (msg[i].len < 1) {
125*dff91909SWei Chen i = -EOPNOTSUPP;
126*dff91909SWei Chen break;
127*dff91909SWei Chen }
128786baecfSMauro Carvalho Chehab req.cmd = DEMOD_WRITE;
129786baecfSMauro Carvalho Chehab req.value = msg[i].addr >> 1;
130786baecfSMauro Carvalho Chehab req.index = msg[i].buf[0];
131786baecfSMauro Carvalho Chehab req.data_len = msg[i].len-1;
132786baecfSMauro Carvalho Chehab req.data = &msg[i].buf[1];
133786baecfSMauro Carvalho Chehab ret = ce6230_ctrl_msg(d, &req);
134786baecfSMauro Carvalho Chehab } else {
135786baecfSMauro Carvalho Chehab req.cmd = I2C_WRITE;
136786baecfSMauro Carvalho Chehab req.value = 0x2000 + (msg[i].addr >> 1);
137786baecfSMauro Carvalho Chehab req.index = 0x0000;
138786baecfSMauro Carvalho Chehab req.data_len = msg[i].len;
139786baecfSMauro Carvalho Chehab req.data = &msg[i].buf[0];
140786baecfSMauro Carvalho Chehab ret = ce6230_ctrl_msg(d, &req);
141786baecfSMauro Carvalho Chehab }
142786baecfSMauro Carvalho Chehab i += 1;
143786baecfSMauro Carvalho Chehab }
144786baecfSMauro Carvalho Chehab if (ret)
145786baecfSMauro Carvalho Chehab break;
146786baecfSMauro Carvalho Chehab }
147786baecfSMauro Carvalho Chehab
148786baecfSMauro Carvalho Chehab mutex_unlock(&d->i2c_mutex);
149786baecfSMauro Carvalho Chehab return ret ? ret : i;
150786baecfSMauro Carvalho Chehab }
151786baecfSMauro Carvalho Chehab
ce6230_i2c_functionality(struct i2c_adapter * adapter)152786baecfSMauro Carvalho Chehab static u32 ce6230_i2c_functionality(struct i2c_adapter *adapter)
153786baecfSMauro Carvalho Chehab {
154786baecfSMauro Carvalho Chehab return I2C_FUNC_I2C;
155786baecfSMauro Carvalho Chehab }
156786baecfSMauro Carvalho Chehab
157786baecfSMauro Carvalho Chehab static struct i2c_algorithm ce6230_i2c_algorithm = {
158786baecfSMauro Carvalho Chehab .master_xfer = ce6230_i2c_master_xfer,
159786baecfSMauro Carvalho Chehab .functionality = ce6230_i2c_functionality,
160786baecfSMauro Carvalho Chehab };
161786baecfSMauro Carvalho Chehab
162786baecfSMauro Carvalho Chehab /* Callbacks for DVB USB */
163786baecfSMauro Carvalho Chehab static struct zl10353_config ce6230_zl10353_config = {
164786baecfSMauro Carvalho Chehab .demod_address = 0x1e,
165786baecfSMauro Carvalho Chehab .adc_clock = 450000,
166786baecfSMauro Carvalho Chehab .if2 = 45700,
167786baecfSMauro Carvalho Chehab .no_tuner = 1,
168786baecfSMauro Carvalho Chehab .parallel_ts = 1,
169786baecfSMauro Carvalho Chehab .clock_ctl_1 = 0x34,
170786baecfSMauro Carvalho Chehab .pll_0 = 0x0e,
171786baecfSMauro Carvalho Chehab };
172786baecfSMauro Carvalho Chehab
ce6230_zl10353_frontend_attach(struct dvb_usb_adapter * adap)173786baecfSMauro Carvalho Chehab static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
174786baecfSMauro Carvalho Chehab {
175b072eee0SAntti Palosaari struct dvb_usb_device *d = adap_to_d(adap);
176b072eee0SAntti Palosaari
177b072eee0SAntti Palosaari dev_dbg(&d->udev->dev, "%s:\n", __func__);
178786baecfSMauro Carvalho Chehab
179786baecfSMauro Carvalho Chehab adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
180b072eee0SAntti Palosaari &d->i2c_adap);
181786baecfSMauro Carvalho Chehab if (adap->fe[0] == NULL)
182786baecfSMauro Carvalho Chehab return -ENODEV;
183786baecfSMauro Carvalho Chehab
184786baecfSMauro Carvalho Chehab return 0;
185786baecfSMauro Carvalho Chehab }
186786baecfSMauro Carvalho Chehab
187786baecfSMauro Carvalho Chehab static struct mxl5005s_config ce6230_mxl5003s_config = {
188786baecfSMauro Carvalho Chehab .i2c_address = 0xc6,
189786baecfSMauro Carvalho Chehab .if_freq = IF_FREQ_4570000HZ,
190786baecfSMauro Carvalho Chehab .xtal_freq = CRYSTAL_FREQ_16000000HZ,
191786baecfSMauro Carvalho Chehab .agc_mode = MXL_SINGLE_AGC,
192786baecfSMauro Carvalho Chehab .tracking_filter = MXL_TF_DEFAULT,
193786baecfSMauro Carvalho Chehab .rssi_enable = MXL_RSSI_ENABLE,
194786baecfSMauro Carvalho Chehab .cap_select = MXL_CAP_SEL_ENABLE,
195786baecfSMauro Carvalho Chehab .div_out = MXL_DIV_OUT_4,
196786baecfSMauro Carvalho Chehab .clock_out = MXL_CLOCK_OUT_DISABLE,
197786baecfSMauro Carvalho Chehab .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
198786baecfSMauro Carvalho Chehab .top = MXL5005S_TOP_25P2,
199786baecfSMauro Carvalho Chehab .mod_mode = MXL_DIGITAL_MODE,
200786baecfSMauro Carvalho Chehab .if_mode = MXL_ZERO_IF,
201786baecfSMauro Carvalho Chehab .AgcMasterByte = 0x00,
202786baecfSMauro Carvalho Chehab };
203786baecfSMauro Carvalho Chehab
ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter * adap)204786baecfSMauro Carvalho Chehab static int ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
205786baecfSMauro Carvalho Chehab {
206b072eee0SAntti Palosaari struct dvb_usb_device *d = adap_to_d(adap);
207786baecfSMauro Carvalho Chehab int ret;
208786baecfSMauro Carvalho Chehab
209b072eee0SAntti Palosaari dev_dbg(&d->udev->dev, "%s:\n", __func__);
210786baecfSMauro Carvalho Chehab
211b072eee0SAntti Palosaari ret = dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap,
212786baecfSMauro Carvalho Chehab &ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
213786baecfSMauro Carvalho Chehab return ret;
214786baecfSMauro Carvalho Chehab }
215786baecfSMauro Carvalho Chehab
ce6230_power_ctrl(struct dvb_usb_device * d,int onoff)216786baecfSMauro Carvalho Chehab static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
217786baecfSMauro Carvalho Chehab {
218786baecfSMauro Carvalho Chehab int ret;
219786baecfSMauro Carvalho Chehab
220b072eee0SAntti Palosaari dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
221786baecfSMauro Carvalho Chehab
222786baecfSMauro Carvalho Chehab /* InterfaceNumber 1 / AlternateSetting 0 idle
223786baecfSMauro Carvalho Chehab InterfaceNumber 1 / AlternateSetting 1 streaming */
224786baecfSMauro Carvalho Chehab ret = usb_set_interface(d->udev, 1, onoff);
225786baecfSMauro Carvalho Chehab if (ret)
226b072eee0SAntti Palosaari dev_err(&d->udev->dev, "%s: usb_set_interface() failed=%d\n",
227b072eee0SAntti Palosaari KBUILD_MODNAME, ret);
228786baecfSMauro Carvalho Chehab
229786baecfSMauro Carvalho Chehab return ret;
230786baecfSMauro Carvalho Chehab }
231786baecfSMauro Carvalho Chehab
232786baecfSMauro Carvalho Chehab /* DVB USB Driver stuff */
233786baecfSMauro Carvalho Chehab static struct dvb_usb_device_properties ce6230_props = {
234786baecfSMauro Carvalho Chehab .driver_name = KBUILD_MODNAME,
235786baecfSMauro Carvalho Chehab .owner = THIS_MODULE,
236786baecfSMauro Carvalho Chehab .adapter_nr = adapter_nr,
237786baecfSMauro Carvalho Chehab .bInterfaceNumber = 1,
238786baecfSMauro Carvalho Chehab
239786baecfSMauro Carvalho Chehab .i2c_algo = &ce6230_i2c_algorithm,
240786baecfSMauro Carvalho Chehab .power_ctrl = ce6230_power_ctrl,
241786baecfSMauro Carvalho Chehab .frontend_attach = ce6230_zl10353_frontend_attach,
242786baecfSMauro Carvalho Chehab .tuner_attach = ce6230_mxl5003s_tuner_attach,
243786baecfSMauro Carvalho Chehab
244786baecfSMauro Carvalho Chehab .num_adapters = 1,
245786baecfSMauro Carvalho Chehab .adapter = {
246786baecfSMauro Carvalho Chehab {
247786baecfSMauro Carvalho Chehab .stream = {
248786baecfSMauro Carvalho Chehab .type = USB_BULK,
249786baecfSMauro Carvalho Chehab .count = 6,
250786baecfSMauro Carvalho Chehab .endpoint = 0x82,
251786baecfSMauro Carvalho Chehab .u = {
252786baecfSMauro Carvalho Chehab .bulk = {
253786baecfSMauro Carvalho Chehab .buffersize = (16 * 512),
254786baecfSMauro Carvalho Chehab }
255786baecfSMauro Carvalho Chehab }
256786baecfSMauro Carvalho Chehab },
257786baecfSMauro Carvalho Chehab }
258786baecfSMauro Carvalho Chehab },
259786baecfSMauro Carvalho Chehab };
260786baecfSMauro Carvalho Chehab
261786baecfSMauro Carvalho Chehab static const struct usb_device_id ce6230_id_table[] = {
262786baecfSMauro Carvalho Chehab { DVB_USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500,
263786baecfSMauro Carvalho Chehab &ce6230_props, "Intel CE9500 reference design", NULL) },
264786baecfSMauro Carvalho Chehab { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310,
265786baecfSMauro Carvalho Chehab &ce6230_props, "AVerMedia A310 USB 2.0 DVB-T tuner", NULL) },
266786baecfSMauro Carvalho Chehab { }
267786baecfSMauro Carvalho Chehab };
268786baecfSMauro Carvalho Chehab MODULE_DEVICE_TABLE(usb, ce6230_id_table);
269786baecfSMauro Carvalho Chehab
270786baecfSMauro Carvalho Chehab static struct usb_driver ce6230_usb_driver = {
271786baecfSMauro Carvalho Chehab .name = KBUILD_MODNAME,
272786baecfSMauro Carvalho Chehab .id_table = ce6230_id_table,
273786baecfSMauro Carvalho Chehab .probe = dvb_usbv2_probe,
274786baecfSMauro Carvalho Chehab .disconnect = dvb_usbv2_disconnect,
275786baecfSMauro Carvalho Chehab .suspend = dvb_usbv2_suspend,
276786baecfSMauro Carvalho Chehab .resume = dvb_usbv2_resume,
27778fa5903SAntti Palosaari .reset_resume = dvb_usbv2_reset_resume,
278786baecfSMauro Carvalho Chehab .no_dynamic_id = 1,
279786baecfSMauro Carvalho Chehab .soft_unbind = 1,
280786baecfSMauro Carvalho Chehab };
281786baecfSMauro Carvalho Chehab
282786baecfSMauro Carvalho Chehab module_usb_driver(ce6230_usb_driver);
283786baecfSMauro Carvalho Chehab
284786baecfSMauro Carvalho Chehab MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
285786baecfSMauro Carvalho Chehab MODULE_DESCRIPTION("Intel CE6230 driver");
286786baecfSMauro Carvalho Chehab MODULE_LICENSE("GPL");
287