PRCM: 34XX: Fix wrong shift value used in dpll4_m4x2_ck enable bit
[linux-ginger.git] / drivers / media / video / cx18 / cx18-dvb.c
blobc9744173f9692d635455d844beb7a2f9aef2020a
1 /*
2 * cx18 functions for DVB support
4 * Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "cx18-version.h"
23 #include "cx18-dvb.h"
24 #include "cx18-streams.h"
25 #include "cx18-cards.h"
26 #include "s5h1409.h"
27 #include "mxl5005s.h"
29 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
31 #define CX18_REG_DMUX_NUM_PORT_0_CONTROL 0xd5a000
33 static struct mxl5005s_config hauppauge_hvr1600_tuner = {
34 .i2c_address = 0xC6 >> 1,
35 .if_freq = IF_FREQ_5380000HZ,
36 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
37 .agc_mode = MXL_SINGLE_AGC,
38 .tracking_filter = MXL_TF_C_H,
39 .rssi_enable = MXL_RSSI_ENABLE,
40 .cap_select = MXL_CAP_SEL_ENABLE,
41 .div_out = MXL_DIV_OUT_4,
42 .clock_out = MXL_CLOCK_OUT_DISABLE,
43 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
44 .top = MXL5005S_TOP_25P2,
45 .mod_mode = MXL_DIGITAL_MODE,
46 .if_mode = MXL_ZERO_IF,
47 .AgcMasterByte = 0x00,
50 static struct s5h1409_config hauppauge_hvr1600_config = {
51 .demod_address = 0x32 >> 1,
52 .output_mode = S5H1409_SERIAL_OUTPUT,
53 .gpio = S5H1409_GPIO_ON,
54 .qam_if = 44000,
55 .inversion = S5H1409_INVERSION_OFF,
56 .status_mode = S5H1409_DEMODLOCKING,
57 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
61 static int dvb_register(struct cx18_stream *stream);
63 /* Kernel DVB framework calls this when the feed needs to start.
64 * The CX18 framework should enable the transport DMA handling
65 * and queue processing.
67 static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
69 struct dvb_demux *demux = feed->demux;
70 struct cx18_stream *stream = (struct cx18_stream *) demux->priv;
71 struct cx18 *cx = stream->cx;
72 int ret = -EINVAL;
73 u32 v;
75 CX18_DEBUG_INFO("Start feed: pid = 0x%x index = %d\n",
76 feed->pid, feed->index);
77 switch (cx->card->type) {
78 case CX18_CARD_HVR_1600_ESMT:
79 case CX18_CARD_HVR_1600_SAMSUNG:
80 v = read_reg(CX18_REG_DMUX_NUM_PORT_0_CONTROL);
81 v |= 0x00400000; /* Serial Mode */
82 v |= 0x00002000; /* Data Length - Byte */
83 v |= 0x00010000; /* Error - Polarity */
84 v |= 0x00020000; /* Error - Passthru */
85 v |= 0x000c0000; /* Error - Ignore */
86 write_reg(v, CX18_REG_DMUX_NUM_PORT_0_CONTROL);
87 break;
89 default:
90 /* Assumption - Parallel transport - Signalling
91 * undefined or default.
93 break;
96 if (!demux->dmx.frontend)
97 return -EINVAL;
99 if (stream) {
100 mutex_lock(&stream->dvb.feedlock);
101 if (stream->dvb.feeding++ == 0) {
102 CX18_DEBUG_INFO("Starting Transport DMA\n");
103 ret = cx18_start_v4l2_encode_stream(stream);
104 } else
105 ret = 0;
106 mutex_unlock(&stream->dvb.feedlock);
109 return ret;
112 /* Kernel DVB framework calls this when the feed needs to stop. */
113 static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed)
115 struct dvb_demux *demux = feed->demux;
116 struct cx18_stream *stream = (struct cx18_stream *)demux->priv;
117 struct cx18 *cx = stream->cx;
118 int ret = -EINVAL;
120 CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n",
121 feed->pid, feed->index);
123 if (stream) {
124 mutex_lock(&stream->dvb.feedlock);
125 if (--stream->dvb.feeding == 0) {
126 CX18_DEBUG_INFO("Stopping Transport DMA\n");
127 ret = cx18_stop_v4l2_encode_stream(stream, 0);
128 } else
129 ret = 0;
130 mutex_unlock(&stream->dvb.feedlock);
133 return ret;
136 int cx18_dvb_register(struct cx18_stream *stream)
138 struct cx18 *cx = stream->cx;
139 struct cx18_dvb *dvb = &stream->dvb;
140 struct dvb_adapter *dvb_adapter;
141 struct dvb_demux *dvbdemux;
142 struct dmx_demux *dmx;
143 int ret;
145 if (!dvb)
146 return -EINVAL;
148 ret = dvb_register_adapter(&dvb->dvb_adapter,
149 CX18_DRIVER_NAME,
150 THIS_MODULE, &cx->dev->dev, adapter_nr);
151 if (ret < 0)
152 goto err_out;
154 dvb_adapter = &dvb->dvb_adapter;
156 dvbdemux = &dvb->demux;
158 dvbdemux->priv = (void *)stream;
160 dvbdemux->filternum = 256;
161 dvbdemux->feednum = 256;
162 dvbdemux->start_feed = cx18_dvb_start_feed;
163 dvbdemux->stop_feed = cx18_dvb_stop_feed;
164 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
165 DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
166 ret = dvb_dmx_init(dvbdemux);
167 if (ret < 0)
168 goto err_dvb_unregister_adapter;
170 dmx = &dvbdemux->dmx;
172 dvb->hw_frontend.source = DMX_FRONTEND_0;
173 dvb->mem_frontend.source = DMX_MEMORY_FE;
174 dvb->dmxdev.filternum = 256;
175 dvb->dmxdev.demux = dmx;
177 ret = dvb_dmxdev_init(&dvb->dmxdev, dvb_adapter);
178 if (ret < 0)
179 goto err_dvb_dmx_release;
181 ret = dmx->add_frontend(dmx, &dvb->hw_frontend);
182 if (ret < 0)
183 goto err_dvb_dmxdev_release;
185 ret = dmx->add_frontend(dmx, &dvb->mem_frontend);
186 if (ret < 0)
187 goto err_remove_hw_frontend;
189 ret = dmx->connect_frontend(dmx, &dvb->hw_frontend);
190 if (ret < 0)
191 goto err_remove_mem_frontend;
193 ret = dvb_register(stream);
194 if (ret < 0)
195 goto err_disconnect_frontend;
197 dvb_net_init(dvb_adapter, &dvb->dvbnet, dmx);
199 CX18_INFO("DVB Frontend registered\n");
200 mutex_init(&dvb->feedlock);
201 dvb->enabled = 1;
202 return ret;
204 err_disconnect_frontend:
205 dmx->disconnect_frontend(dmx);
206 err_remove_mem_frontend:
207 dmx->remove_frontend(dmx, &dvb->mem_frontend);
208 err_remove_hw_frontend:
209 dmx->remove_frontend(dmx, &dvb->hw_frontend);
210 err_dvb_dmxdev_release:
211 dvb_dmxdev_release(&dvb->dmxdev);
212 err_dvb_dmx_release:
213 dvb_dmx_release(dvbdemux);
214 err_dvb_unregister_adapter:
215 dvb_unregister_adapter(dvb_adapter);
216 err_out:
217 return ret;
220 void cx18_dvb_unregister(struct cx18_stream *stream)
222 struct cx18 *cx = stream->cx;
223 struct cx18_dvb *dvb = &stream->dvb;
224 struct dvb_adapter *dvb_adapter;
225 struct dvb_demux *dvbdemux;
226 struct dmx_demux *dmx;
228 CX18_INFO("unregister DVB\n");
230 dvb_adapter = &dvb->dvb_adapter;
231 dvbdemux = &dvb->demux;
232 dmx = &dvbdemux->dmx;
234 dmx->close(dmx);
235 dvb_net_release(&dvb->dvbnet);
236 dmx->remove_frontend(dmx, &dvb->mem_frontend);
237 dmx->remove_frontend(dmx, &dvb->hw_frontend);
238 dvb_dmxdev_release(&dvb->dmxdev);
239 dvb_dmx_release(dvbdemux);
240 dvb_unregister_frontend(dvb->fe);
241 dvb_frontend_detach(dvb->fe);
242 dvb_unregister_adapter(dvb_adapter);
245 /* All the DVB attach calls go here, this function get's modified
246 * for each new card. No other function in this file needs
247 * to change.
249 static int dvb_register(struct cx18_stream *stream)
251 struct cx18_dvb *dvb = &stream->dvb;
252 struct cx18 *cx = stream->cx;
253 int ret = 0;
255 switch (cx->card->type) {
256 case CX18_CARD_HVR_1600_ESMT:
257 case CX18_CARD_HVR_1600_SAMSUNG:
258 dvb->fe = dvb_attach(s5h1409_attach,
259 &hauppauge_hvr1600_config,
260 &cx->i2c_adap[0]);
261 if (dvb->fe != NULL) {
262 dvb_attach(mxl5005s_attach, dvb->fe,
263 &cx->i2c_adap[0],
264 &hauppauge_hvr1600_tuner);
265 ret = 0;
267 break;
268 default:
269 /* No Digital Tv Support */
270 break;
273 if (dvb->fe == NULL) {
274 CX18_ERR("frontend initialization failed\n");
275 return -1;
278 ret = dvb_register_frontend(&dvb->dvb_adapter, dvb->fe);
279 if (ret < 0) {
280 if (dvb->fe->ops.release)
281 dvb->fe->ops.release(dvb->fe);
282 return ret;
285 return ret;