1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2cb7a01acSMauro Carvalho Chehab /*
3cb7a01acSMauro Carvalho Chehab * Programming the mspx4xx sound processor family
4cb7a01acSMauro Carvalho Chehab *
5cb7a01acSMauro Carvalho Chehab * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org>
6cb7a01acSMauro Carvalho Chehab */
7cb7a01acSMauro Carvalho Chehab
8cb7a01acSMauro Carvalho Chehab
9cb7a01acSMauro Carvalho Chehab #include <linux/kernel.h>
10cb7a01acSMauro Carvalho Chehab #include <linux/module.h>
11cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h>
12cb7a01acSMauro Carvalho Chehab #include <linux/freezer.h>
13cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h>
14cb7a01acSMauro Carvalho Chehab #include <media/v4l2-common.h>
15d647f0b7SMauro Carvalho Chehab #include <media/drv-intf/msp3400.h>
16cb7a01acSMauro Carvalho Chehab #include <linux/kthread.h>
17cb7a01acSMauro Carvalho Chehab #include <linux/suspend.h>
18cb7a01acSMauro Carvalho Chehab #include "msp3400-driver.h"
19cb7a01acSMauro Carvalho Chehab
20cb7a01acSMauro Carvalho Chehab /* this one uses the automatic sound standard detection of newer msp34xx
21cb7a01acSMauro Carvalho Chehab chip versions */
22cb7a01acSMauro Carvalho Chehab static struct {
23cb7a01acSMauro Carvalho Chehab int retval;
24cb7a01acSMauro Carvalho Chehab int main, second;
25cb7a01acSMauro Carvalho Chehab char *name;
26cb7a01acSMauro Carvalho Chehab v4l2_std_id std;
27cb7a01acSMauro Carvalho Chehab } msp_stdlist[] = {
28cb7a01acSMauro Carvalho Chehab { 0x0000, 0, 0, "could not detect sound standard", V4L2_STD_ALL },
29cb7a01acSMauro Carvalho Chehab { 0x0001, 0, 0, "autodetect start", V4L2_STD_ALL },
30cb7a01acSMauro Carvalho Chehab { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72),
31cb7a01acSMauro Carvalho Chehab "4.5/4.72 M Dual FM-Stereo", V4L2_STD_MN },
32cb7a01acSMauro Carvalho Chehab { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875),
33cb7a01acSMauro Carvalho Chehab "5.5/5.74 B/G Dual FM-Stereo", V4L2_STD_BG },
34cb7a01acSMauro Carvalho Chehab { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125),
35cb7a01acSMauro Carvalho Chehab "6.5/6.25 D/K1 Dual FM-Stereo", V4L2_STD_DK },
36cb7a01acSMauro Carvalho Chehab { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875),
37cb7a01acSMauro Carvalho Chehab "6.5/6.74 D/K2 Dual FM-Stereo", V4L2_STD_DK },
38cb7a01acSMauro Carvalho Chehab { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5),
39cb7a01acSMauro Carvalho Chehab "6.5 D/K FM-Mono (HDEV3)", V4L2_STD_DK },
40cb7a01acSMauro Carvalho Chehab { 0x0007, MSP_CARRIER(6.5), MSP_CARRIER(5.7421875),
41cb7a01acSMauro Carvalho Chehab "6.5/5.74 D/K3 Dual FM-Stereo", V4L2_STD_DK },
42cb7a01acSMauro Carvalho Chehab { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85),
43cb7a01acSMauro Carvalho Chehab "5.5/5.85 B/G NICAM FM", V4L2_STD_BG },
44cb7a01acSMauro Carvalho Chehab { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85),
45cb7a01acSMauro Carvalho Chehab "6.5/5.85 L NICAM AM", V4L2_STD_L },
46cb7a01acSMauro Carvalho Chehab { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55),
47cb7a01acSMauro Carvalho Chehab "6.0/6.55 I NICAM FM", V4L2_STD_PAL_I },
48cb7a01acSMauro Carvalho Chehab { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85),
49cb7a01acSMauro Carvalho Chehab "6.5/5.85 D/K NICAM FM", V4L2_STD_DK },
50cb7a01acSMauro Carvalho Chehab { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85),
51cb7a01acSMauro Carvalho Chehab "6.5/5.85 D/K NICAM FM (HDEV2)", V4L2_STD_DK },
52cb7a01acSMauro Carvalho Chehab { 0x000d, MSP_CARRIER(6.5), MSP_CARRIER(5.85),
53cb7a01acSMauro Carvalho Chehab "6.5/5.85 D/K NICAM FM (HDEV3)", V4L2_STD_DK },
54cb7a01acSMauro Carvalho Chehab { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5),
55cb7a01acSMauro Carvalho Chehab "4.5 M BTSC-Stereo", V4L2_STD_MTS },
56cb7a01acSMauro Carvalho Chehab { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5),
57cb7a01acSMauro Carvalho Chehab "4.5 M BTSC-Mono + SAP", V4L2_STD_MTS },
58cb7a01acSMauro Carvalho Chehab { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5),
59cb7a01acSMauro Carvalho Chehab "4.5 M EIA-J Japan Stereo", V4L2_STD_NTSC_M_JP },
60cb7a01acSMauro Carvalho Chehab { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7),
61cb7a01acSMauro Carvalho Chehab "10.7 FM-Stereo Radio", V4L2_STD_ALL },
62cb7a01acSMauro Carvalho Chehab { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5),
63cb7a01acSMauro Carvalho Chehab "6.5 SAT-Mono", V4L2_STD_ALL },
64cb7a01acSMauro Carvalho Chehab { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20),
65cb7a01acSMauro Carvalho Chehab "7.02/7.20 SAT-Stereo", V4L2_STD_ALL },
66cb7a01acSMauro Carvalho Chehab { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2),
67cb7a01acSMauro Carvalho Chehab "7.2 SAT ADR", V4L2_STD_ALL },
68cb7a01acSMauro Carvalho Chehab { -1, 0, 0, NULL, 0 }, /* EOF */
69cb7a01acSMauro Carvalho Chehab };
70cb7a01acSMauro Carvalho Chehab
71cb7a01acSMauro Carvalho Chehab static struct msp3400c_init_data_dem {
72cb7a01acSMauro Carvalho Chehab int fir1[6];
73cb7a01acSMauro Carvalho Chehab int fir2[6];
74cb7a01acSMauro Carvalho Chehab int cdo1;
75cb7a01acSMauro Carvalho Chehab int cdo2;
76cb7a01acSMauro Carvalho Chehab int ad_cv;
77cb7a01acSMauro Carvalho Chehab int mode_reg;
78cb7a01acSMauro Carvalho Chehab int dsp_src;
79cb7a01acSMauro Carvalho Chehab int dsp_matrix;
80cb7a01acSMauro Carvalho Chehab } msp3400c_init_data[] = {
81cb7a01acSMauro Carvalho Chehab { /* AM (for carrier detect / msp3400) */
82cb7a01acSMauro Carvalho Chehab {75, 19, 36, 35, 39, 40},
83cb7a01acSMauro Carvalho Chehab {75, 19, 36, 35, 39, 40},
84cb7a01acSMauro Carvalho Chehab MSP_CARRIER(5.5), MSP_CARRIER(5.5),
85cb7a01acSMauro Carvalho Chehab 0x00d0, 0x0500, 0x0020, 0x3000
86cb7a01acSMauro Carvalho Chehab }, { /* AM (for carrier detect / msp3410) */
87cb7a01acSMauro Carvalho Chehab {-1, -1, -8, 2, 59, 126},
88cb7a01acSMauro Carvalho Chehab {-1, -1, -8, 2, 59, 126},
89cb7a01acSMauro Carvalho Chehab MSP_CARRIER(5.5), MSP_CARRIER(5.5),
90cb7a01acSMauro Carvalho Chehab 0x00d0, 0x0100, 0x0020, 0x3000
91cb7a01acSMauro Carvalho Chehab }, { /* FM Radio */
92cb7a01acSMauro Carvalho Chehab {-8, -8, 4, 6, 78, 107},
93cb7a01acSMauro Carvalho Chehab {-8, -8, 4, 6, 78, 107},
94cb7a01acSMauro Carvalho Chehab MSP_CARRIER(10.7), MSP_CARRIER(10.7),
95cb7a01acSMauro Carvalho Chehab 0x00d0, 0x0480, 0x0020, 0x3000
96cb7a01acSMauro Carvalho Chehab }, { /* Terrestrial FM-mono + FM-stereo */
97cb7a01acSMauro Carvalho Chehab {3, 18, 27, 48, 66, 72},
98cb7a01acSMauro Carvalho Chehab {3, 18, 27, 48, 66, 72},
99cb7a01acSMauro Carvalho Chehab MSP_CARRIER(5.5), MSP_CARRIER(5.5),
100cb7a01acSMauro Carvalho Chehab 0x00d0, 0x0480, 0x0030, 0x3000
101cb7a01acSMauro Carvalho Chehab }, { /* Sat FM-mono */
102cb7a01acSMauro Carvalho Chehab { 1, 9, 14, 24, 33, 37},
103cb7a01acSMauro Carvalho Chehab { 3, 18, 27, 48, 66, 72},
104cb7a01acSMauro Carvalho Chehab MSP_CARRIER(6.5), MSP_CARRIER(6.5),
105cb7a01acSMauro Carvalho Chehab 0x00c6, 0x0480, 0x0000, 0x3000
106cb7a01acSMauro Carvalho Chehab }, { /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */
107cb7a01acSMauro Carvalho Chehab {-2, -8, -10, 10, 50, 86},
108cb7a01acSMauro Carvalho Chehab {3, 18, 27, 48, 66, 72},
109cb7a01acSMauro Carvalho Chehab MSP_CARRIER(5.5), MSP_CARRIER(5.5),
110cb7a01acSMauro Carvalho Chehab 0x00d0, 0x0040, 0x0120, 0x3000
111cb7a01acSMauro Carvalho Chehab }, { /* NICAM/FM -- I (6.0/6.552) */
112cb7a01acSMauro Carvalho Chehab {2, 4, -6, -4, 40, 94},
113cb7a01acSMauro Carvalho Chehab {3, 18, 27, 48, 66, 72},
114cb7a01acSMauro Carvalho Chehab MSP_CARRIER(6.0), MSP_CARRIER(6.0),
115cb7a01acSMauro Carvalho Chehab 0x00d0, 0x0040, 0x0120, 0x3000
116cb7a01acSMauro Carvalho Chehab }, { /* NICAM/AM -- L (6.5/5.85) */
117cb7a01acSMauro Carvalho Chehab {-2, -8, -10, 10, 50, 86},
118cb7a01acSMauro Carvalho Chehab {-4, -12, -9, 23, 79, 126},
119cb7a01acSMauro Carvalho Chehab MSP_CARRIER(6.5), MSP_CARRIER(6.5),
120cb7a01acSMauro Carvalho Chehab 0x00c6, 0x0140, 0x0120, 0x7c00
121cb7a01acSMauro Carvalho Chehab },
122cb7a01acSMauro Carvalho Chehab };
123cb7a01acSMauro Carvalho Chehab
124cb7a01acSMauro Carvalho Chehab struct msp3400c_carrier_detect {
125cb7a01acSMauro Carvalho Chehab int cdo;
126cb7a01acSMauro Carvalho Chehab char *name;
127cb7a01acSMauro Carvalho Chehab };
128cb7a01acSMauro Carvalho Chehab
129cb7a01acSMauro Carvalho Chehab static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = {
130cb7a01acSMauro Carvalho Chehab /* main carrier */
131cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(4.5), "4.5 NTSC" },
132cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(5.5), "5.5 PAL B/G" },
133cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(6.0), "6.0 PAL I" },
134cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" }
135cb7a01acSMauro Carvalho Chehab };
136cb7a01acSMauro Carvalho Chehab
137cb7a01acSMauro Carvalho Chehab static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = {
138cb7a01acSMauro Carvalho Chehab /* PAL B/G */
139cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" },
140cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" }
141cb7a01acSMauro Carvalho Chehab };
142cb7a01acSMauro Carvalho Chehab
143cb7a01acSMauro Carvalho Chehab static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = {
144cb7a01acSMauro Carvalho Chehab /* PAL SAT / SECAM */
145cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" },
146cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" },
147cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" },
148cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" },
149cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" },
150cb7a01acSMauro Carvalho Chehab { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" },
151cb7a01acSMauro Carvalho Chehab };
152cb7a01acSMauro Carvalho Chehab
153cb7a01acSMauro Carvalho Chehab /* ------------------------------------------------------------------------ */
154cb7a01acSMauro Carvalho Chehab
msp_standard_std_name(int std)155cb7a01acSMauro Carvalho Chehab const char *msp_standard_std_name(int std)
156cb7a01acSMauro Carvalho Chehab {
157cb7a01acSMauro Carvalho Chehab int i;
158cb7a01acSMauro Carvalho Chehab
159cb7a01acSMauro Carvalho Chehab for (i = 0; msp_stdlist[i].name != NULL; i++)
160cb7a01acSMauro Carvalho Chehab if (msp_stdlist[i].retval == std)
161cb7a01acSMauro Carvalho Chehab return msp_stdlist[i].name;
162cb7a01acSMauro Carvalho Chehab return "unknown";
163cb7a01acSMauro Carvalho Chehab }
164cb7a01acSMauro Carvalho Chehab
msp_standard_std(int std)165cb7a01acSMauro Carvalho Chehab static v4l2_std_id msp_standard_std(int std)
166cb7a01acSMauro Carvalho Chehab {
167cb7a01acSMauro Carvalho Chehab int i;
168cb7a01acSMauro Carvalho Chehab
169cb7a01acSMauro Carvalho Chehab for (i = 0; msp_stdlist[i].name != NULL; i++)
170cb7a01acSMauro Carvalho Chehab if (msp_stdlist[i].retval == std)
171cb7a01acSMauro Carvalho Chehab return msp_stdlist[i].std;
172cb7a01acSMauro Carvalho Chehab return V4L2_STD_ALL;
173cb7a01acSMauro Carvalho Chehab }
174cb7a01acSMauro Carvalho Chehab
msp_set_source(struct i2c_client * client,u16 src)175cb7a01acSMauro Carvalho Chehab static void msp_set_source(struct i2c_client *client, u16 src)
176cb7a01acSMauro Carvalho Chehab {
177cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
178cb7a01acSMauro Carvalho Chehab
179cb7a01acSMauro Carvalho Chehab if (msp_dolby) {
180cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */
181cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */
182cb7a01acSMauro Carvalho Chehab } else {
183cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0008, src);
184cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0009, src);
185cb7a01acSMauro Carvalho Chehab }
186cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000a, src);
187cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000b, src);
188cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000c, src);
189cb7a01acSMauro Carvalho Chehab if (state->has_scart2_out)
190cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0041, src);
191cb7a01acSMauro Carvalho Chehab }
192cb7a01acSMauro Carvalho Chehab
msp3400c_set_carrier(struct i2c_client * client,int cdo1,int cdo2)193cb7a01acSMauro Carvalho Chehab void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2)
194cb7a01acSMauro Carvalho Chehab {
195cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0093, cdo1 & 0xfff);
196cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x009b, cdo1 >> 12);
197cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x00a3, cdo2 & 0xfff);
198cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x00ab, cdo2 >> 12);
199cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0056, 0); /* LOAD_REG_1/2 */
200cb7a01acSMauro Carvalho Chehab }
201cb7a01acSMauro Carvalho Chehab
msp3400c_set_mode(struct i2c_client * client,int mode)202cb7a01acSMauro Carvalho Chehab void msp3400c_set_mode(struct i2c_client *client, int mode)
203cb7a01acSMauro Carvalho Chehab {
204cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
205cb7a01acSMauro Carvalho Chehab struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode];
206cb7a01acSMauro Carvalho Chehab int tuner = (state->route_in >> 3) & 1;
207cb7a01acSMauro Carvalho Chehab int i;
208cb7a01acSMauro Carvalho Chehab
20939ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "set_mode: %d\n", mode);
210cb7a01acSMauro Carvalho Chehab state->mode = mode;
211cb7a01acSMauro Carvalho Chehab state->rxsubchans = V4L2_TUNER_SUB_MONO;
212cb7a01acSMauro Carvalho Chehab
213cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x00bb, data->ad_cv | (tuner ? 0x100 : 0));
214cb7a01acSMauro Carvalho Chehab
215cb7a01acSMauro Carvalho Chehab for (i = 5; i >= 0; i--) /* fir 1 */
216cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0001, data->fir1[i]);
217cb7a01acSMauro Carvalho Chehab
218cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */
219cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0005, 0x0040);
220cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0005, 0x0000);
221cb7a01acSMauro Carvalho Chehab for (i = 5; i >= 0; i--)
222cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0005, data->fir2[i]);
223cb7a01acSMauro Carvalho Chehab
224cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x0083, data->mode_reg);
225cb7a01acSMauro Carvalho Chehab
226cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, data->cdo1, data->cdo2);
227cb7a01acSMauro Carvalho Chehab
228cb7a01acSMauro Carvalho Chehab msp_set_source(client, data->dsp_src);
229cb7a01acSMauro Carvalho Chehab /* set prescales */
230cb7a01acSMauro Carvalho Chehab
231cb7a01acSMauro Carvalho Chehab /* volume prescale for SCART (AM mono input) */
232cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000d, 0x1900);
233cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000e, data->dsp_matrix);
234cb7a01acSMauro Carvalho Chehab if (state->has_nicam) /* nicam prescale */
235cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0010, 0x5a00);
236cb7a01acSMauro Carvalho Chehab }
237cb7a01acSMauro Carvalho Chehab
238cb7a01acSMauro Carvalho Chehab /* Set audio mode. Note that the pre-'G' models do not support BTSC+SAP,
239cb7a01acSMauro Carvalho Chehab nor do they support stereo BTSC. */
msp3400c_set_audmode(struct i2c_client * client)240cb7a01acSMauro Carvalho Chehab static void msp3400c_set_audmode(struct i2c_client *client)
241cb7a01acSMauro Carvalho Chehab {
242cb7a01acSMauro Carvalho Chehab static char *strmode[] = {
243cb7a01acSMauro Carvalho Chehab "mono", "stereo", "lang2", "lang1", "lang1+lang2"
244cb7a01acSMauro Carvalho Chehab };
245cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
246cb7a01acSMauro Carvalho Chehab char *modestr = (state->audmode >= 0 && state->audmode < 5) ?
247cb7a01acSMauro Carvalho Chehab strmode[state->audmode] : "unknown";
248cb7a01acSMauro Carvalho Chehab int src = 0; /* channel source: FM/AM, nicam or SCART */
249cb7a01acSMauro Carvalho Chehab int audmode = state->audmode;
250cb7a01acSMauro Carvalho Chehab
251cb7a01acSMauro Carvalho Chehab if (state->opmode == OPMODE_AUTOSELECT) {
252cb7a01acSMauro Carvalho Chehab /* this method would break everything, let's make sure
253cb7a01acSMauro Carvalho Chehab * it's never called
254cb7a01acSMauro Carvalho Chehab */
25539ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
256cb7a01acSMauro Carvalho Chehab "set_audmode called with mode=%d instead of set_source (ignored)\n",
257cb7a01acSMauro Carvalho Chehab state->audmode);
258cb7a01acSMauro Carvalho Chehab return;
259cb7a01acSMauro Carvalho Chehab }
260cb7a01acSMauro Carvalho Chehab
261cb7a01acSMauro Carvalho Chehab /* Note: for the C and D revs no NTSC stereo + SAP is possible as
262cb7a01acSMauro Carvalho Chehab the hardware does not support SAP. So the rxsubchans combination
263cb7a01acSMauro Carvalho Chehab of STEREO | LANG2 does not occur. */
264cb7a01acSMauro Carvalho Chehab
265cb7a01acSMauro Carvalho Chehab if (state->mode != MSP_MODE_EXTERN) {
266cb7a01acSMauro Carvalho Chehab /* switch to mono if only mono is available */
267cb7a01acSMauro Carvalho Chehab if (state->rxsubchans == V4L2_TUNER_SUB_MONO)
268cb7a01acSMauro Carvalho Chehab audmode = V4L2_TUNER_MODE_MONO;
269cb7a01acSMauro Carvalho Chehab /* if bilingual */
270cb7a01acSMauro Carvalho Chehab else if (state->rxsubchans & V4L2_TUNER_SUB_LANG2) {
271cb7a01acSMauro Carvalho Chehab /* and mono or stereo, then fallback to lang1 */
272cb7a01acSMauro Carvalho Chehab if (audmode == V4L2_TUNER_MODE_MONO ||
273cb7a01acSMauro Carvalho Chehab audmode == V4L2_TUNER_MODE_STEREO)
274cb7a01acSMauro Carvalho Chehab audmode = V4L2_TUNER_MODE_LANG1;
275cb7a01acSMauro Carvalho Chehab }
276cb7a01acSMauro Carvalho Chehab /* if stereo, and audmode is not mono, then switch to stereo */
277cb7a01acSMauro Carvalho Chehab else if (audmode != V4L2_TUNER_MODE_MONO)
278cb7a01acSMauro Carvalho Chehab audmode = V4L2_TUNER_MODE_STEREO;
279cb7a01acSMauro Carvalho Chehab }
280cb7a01acSMauro Carvalho Chehab
281cb7a01acSMauro Carvalho Chehab /* switch demodulator */
282cb7a01acSMauro Carvalho Chehab switch (state->mode) {
283cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_TERRA:
28439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "FM set_audmode: %s\n", modestr);
285cb7a01acSMauro Carvalho Chehab switch (audmode) {
286cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_STEREO:
287cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000e, 0x3001);
288cb7a01acSMauro Carvalho Chehab break;
289cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_MONO:
290cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1:
291cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG2:
292cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1_LANG2:
293cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x000e, 0x3000);
294cb7a01acSMauro Carvalho Chehab break;
295cb7a01acSMauro Carvalho Chehab }
296cb7a01acSMauro Carvalho Chehab break;
297cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_SAT:
29839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "SAT set_audmode: %s\n", modestr);
299cb7a01acSMauro Carvalho Chehab switch (audmode) {
300cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_MONO:
301cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
302cb7a01acSMauro Carvalho Chehab break;
303cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_STEREO:
304cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1_LANG2:
305cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02));
306cb7a01acSMauro Carvalho Chehab break;
307cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1:
308cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
309cb7a01acSMauro Carvalho Chehab break;
310cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG2:
311cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
312cb7a01acSMauro Carvalho Chehab break;
313cb7a01acSMauro Carvalho Chehab }
314cb7a01acSMauro Carvalho Chehab break;
315cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_NICAM1:
316cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_NICAM2:
317cb7a01acSMauro Carvalho Chehab case MSP_MODE_AM_NICAM:
31839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
319cb7a01acSMauro Carvalho Chehab "NICAM set_audmode: %s\n", modestr);
320cb7a01acSMauro Carvalho Chehab if (state->nicam_on)
321cb7a01acSMauro Carvalho Chehab src = 0x0100; /* NICAM */
322cb7a01acSMauro Carvalho Chehab break;
323cb7a01acSMauro Carvalho Chehab case MSP_MODE_BTSC:
32439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
325cb7a01acSMauro Carvalho Chehab "BTSC set_audmode: %s\n", modestr);
326cb7a01acSMauro Carvalho Chehab break;
327cb7a01acSMauro Carvalho Chehab case MSP_MODE_EXTERN:
32839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
329cb7a01acSMauro Carvalho Chehab "extern set_audmode: %s\n", modestr);
330cb7a01acSMauro Carvalho Chehab src = 0x0200; /* SCART */
331cb7a01acSMauro Carvalho Chehab break;
332cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_RADIO:
33339ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
334cb7a01acSMauro Carvalho Chehab "FM-Radio set_audmode: %s\n", modestr);
335cb7a01acSMauro Carvalho Chehab break;
336cb7a01acSMauro Carvalho Chehab default:
33739ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "mono set_audmode\n");
338cb7a01acSMauro Carvalho Chehab return;
339cb7a01acSMauro Carvalho Chehab }
340cb7a01acSMauro Carvalho Chehab
341cb7a01acSMauro Carvalho Chehab /* switch audio */
34239ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "set audmode %d\n", audmode);
343cb7a01acSMauro Carvalho Chehab switch (audmode) {
344cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_STEREO:
345cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1_LANG2:
346cb7a01acSMauro Carvalho Chehab src |= 0x0020;
347cb7a01acSMauro Carvalho Chehab break;
348cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_MONO:
349cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_AM_NICAM) {
35039ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "switching to AM mono\n");
351cb7a01acSMauro Carvalho Chehab /* AM mono decoding is handled by tuner, not MSP chip */
352cb7a01acSMauro Carvalho Chehab /* SCART switching control register */
353cb7a01acSMauro Carvalho Chehab msp_set_scart(client, SCART_MONO, 0);
354cb7a01acSMauro Carvalho Chehab src = 0x0200;
355cb7a01acSMauro Carvalho Chehab break;
356cb7a01acSMauro Carvalho Chehab }
357cb7a01acSMauro Carvalho Chehab if (state->rxsubchans & V4L2_TUNER_SUB_STEREO)
358cb7a01acSMauro Carvalho Chehab src = 0x0030;
359cb7a01acSMauro Carvalho Chehab break;
360cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1:
361cb7a01acSMauro Carvalho Chehab break;
362cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG2:
363cb7a01acSMauro Carvalho Chehab src |= 0x0010;
364cb7a01acSMauro Carvalho Chehab break;
365cb7a01acSMauro Carvalho Chehab }
36639ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
367cb7a01acSMauro Carvalho Chehab "set_audmode final source/matrix = 0x%x\n", src);
368cb7a01acSMauro Carvalho Chehab
369cb7a01acSMauro Carvalho Chehab msp_set_source(client, src);
370cb7a01acSMauro Carvalho Chehab }
371cb7a01acSMauro Carvalho Chehab
msp3400c_print_mode(struct i2c_client * client)372cb7a01acSMauro Carvalho Chehab static void msp3400c_print_mode(struct i2c_client *client)
373cb7a01acSMauro Carvalho Chehab {
374cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
375cb7a01acSMauro Carvalho Chehab
376cb7a01acSMauro Carvalho Chehab if (state->main == state->second)
37739ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
378cb7a01acSMauro Carvalho Chehab "mono sound carrier: %d.%03d MHz\n",
379cb7a01acSMauro Carvalho Chehab state->main / 910000, (state->main / 910) % 1000);
380cb7a01acSMauro Carvalho Chehab else
38139ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
382cb7a01acSMauro Carvalho Chehab "main sound carrier: %d.%03d MHz\n",
383cb7a01acSMauro Carvalho Chehab state->main / 910000, (state->main / 910) % 1000);
384cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2)
38539ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
386cb7a01acSMauro Carvalho Chehab "NICAM/FM carrier : %d.%03d MHz\n",
387cb7a01acSMauro Carvalho Chehab state->second / 910000, (state->second/910) % 1000);
388cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_AM_NICAM)
38939ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
390cb7a01acSMauro Carvalho Chehab "NICAM/AM carrier : %d.%03d MHz\n",
391cb7a01acSMauro Carvalho Chehab state->second / 910000, (state->second / 910) % 1000);
392cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) {
39339ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
394cb7a01acSMauro Carvalho Chehab "FM-stereo carrier : %d.%03d MHz\n",
395cb7a01acSMauro Carvalho Chehab state->second / 910000, (state->second / 910) % 1000);
396cb7a01acSMauro Carvalho Chehab }
397cb7a01acSMauro Carvalho Chehab }
398cb7a01acSMauro Carvalho Chehab
399cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
400cb7a01acSMauro Carvalho Chehab
msp3400c_detect_stereo(struct i2c_client * client)401cb7a01acSMauro Carvalho Chehab static int msp3400c_detect_stereo(struct i2c_client *client)
402cb7a01acSMauro Carvalho Chehab {
403cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
404cb7a01acSMauro Carvalho Chehab int val;
405cb7a01acSMauro Carvalho Chehab int rxsubchans = state->rxsubchans;
406cb7a01acSMauro Carvalho Chehab int newnicam = state->nicam_on;
407cb7a01acSMauro Carvalho Chehab int update = 0;
408cb7a01acSMauro Carvalho Chehab
409cb7a01acSMauro Carvalho Chehab switch (state->mode) {
410cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_TERRA:
411cb7a01acSMauro Carvalho Chehab val = msp_read_dsp(client, 0x18);
412cb7a01acSMauro Carvalho Chehab if (val > 32767)
413cb7a01acSMauro Carvalho Chehab val -= 65536;
41439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug,
415cb7a01acSMauro Carvalho Chehab "stereo detect register: %d\n", val);
416cb7a01acSMauro Carvalho Chehab if (val > 8192) {
417cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_STEREO;
418cb7a01acSMauro Carvalho Chehab } else if (val < -4096) {
419cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
420cb7a01acSMauro Carvalho Chehab } else {
421cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_MONO;
422cb7a01acSMauro Carvalho Chehab }
423cb7a01acSMauro Carvalho Chehab newnicam = 0;
424cb7a01acSMauro Carvalho Chehab break;
425cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_NICAM1:
426cb7a01acSMauro Carvalho Chehab case MSP_MODE_FM_NICAM2:
427cb7a01acSMauro Carvalho Chehab case MSP_MODE_AM_NICAM:
428cb7a01acSMauro Carvalho Chehab val = msp_read_dem(client, 0x23);
42939ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "nicam sync=%d, mode=%d\n",
430cb7a01acSMauro Carvalho Chehab val & 1, (val & 0x1e) >> 1);
431cb7a01acSMauro Carvalho Chehab
432cb7a01acSMauro Carvalho Chehab if (val & 1) {
433cb7a01acSMauro Carvalho Chehab /* nicam synced */
434cb7a01acSMauro Carvalho Chehab switch ((val & 0x1e) >> 1) {
435cb7a01acSMauro Carvalho Chehab case 0:
436cb7a01acSMauro Carvalho Chehab case 8:
437cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_STEREO;
438cb7a01acSMauro Carvalho Chehab break;
439cb7a01acSMauro Carvalho Chehab case 1:
440cb7a01acSMauro Carvalho Chehab case 9:
441cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_MONO;
442cb7a01acSMauro Carvalho Chehab break;
443cb7a01acSMauro Carvalho Chehab case 2:
444cb7a01acSMauro Carvalho Chehab case 10:
445cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
446cb7a01acSMauro Carvalho Chehab break;
447cb7a01acSMauro Carvalho Chehab default:
448cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_MONO;
449cb7a01acSMauro Carvalho Chehab break;
450cb7a01acSMauro Carvalho Chehab }
451cb7a01acSMauro Carvalho Chehab newnicam = 1;
452cb7a01acSMauro Carvalho Chehab } else {
453cb7a01acSMauro Carvalho Chehab newnicam = 0;
454cb7a01acSMauro Carvalho Chehab rxsubchans = V4L2_TUNER_SUB_MONO;
455cb7a01acSMauro Carvalho Chehab }
456cb7a01acSMauro Carvalho Chehab break;
457cb7a01acSMauro Carvalho Chehab }
458cb7a01acSMauro Carvalho Chehab if (rxsubchans != state->rxsubchans) {
459cb7a01acSMauro Carvalho Chehab update = 1;
46039ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
461cb7a01acSMauro Carvalho Chehab "watch: rxsubchans %02x => %02x\n",
462cb7a01acSMauro Carvalho Chehab state->rxsubchans, rxsubchans);
463cb7a01acSMauro Carvalho Chehab state->rxsubchans = rxsubchans;
464cb7a01acSMauro Carvalho Chehab }
465cb7a01acSMauro Carvalho Chehab if (newnicam != state->nicam_on) {
466cb7a01acSMauro Carvalho Chehab update = 1;
46739ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "watch: nicam %d => %d\n",
468cb7a01acSMauro Carvalho Chehab state->nicam_on, newnicam);
469cb7a01acSMauro Carvalho Chehab state->nicam_on = newnicam;
470cb7a01acSMauro Carvalho Chehab }
471cb7a01acSMauro Carvalho Chehab return update;
472cb7a01acSMauro Carvalho Chehab }
473cb7a01acSMauro Carvalho Chehab
474cb7a01acSMauro Carvalho Chehab /*
475cb7a01acSMauro Carvalho Chehab * A kernel thread for msp3400 control -- we don't want to block the
476cb7a01acSMauro Carvalho Chehab * in the ioctl while doing the sound carrier & stereo detect
477cb7a01acSMauro Carvalho Chehab */
478cb7a01acSMauro Carvalho Chehab /* stereo/multilang monitoring */
watch_stereo(struct i2c_client * client)479cb7a01acSMauro Carvalho Chehab static void watch_stereo(struct i2c_client *client)
480cb7a01acSMauro Carvalho Chehab {
481cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
482cb7a01acSMauro Carvalho Chehab
483cb7a01acSMauro Carvalho Chehab if (msp_detect_stereo(client))
484cb7a01acSMauro Carvalho Chehab msp_set_audmode(client);
485cb7a01acSMauro Carvalho Chehab
486cb7a01acSMauro Carvalho Chehab if (msp_once)
487cb7a01acSMauro Carvalho Chehab state->watch_stereo = 0;
488cb7a01acSMauro Carvalho Chehab }
489cb7a01acSMauro Carvalho Chehab
msp3400c_thread(void * data)490cb7a01acSMauro Carvalho Chehab int msp3400c_thread(void *data)
491cb7a01acSMauro Carvalho Chehab {
492cb7a01acSMauro Carvalho Chehab struct i2c_client *client = data;
493cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
494cb7a01acSMauro Carvalho Chehab struct msp3400c_carrier_detect *cd;
495cb7a01acSMauro Carvalho Chehab int count, max1, max2, val1, val2, val, i;
496cb7a01acSMauro Carvalho Chehab
49739ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3400 daemon started\n");
498cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_ALL;
499cb7a01acSMauro Carvalho Chehab set_freezable();
500cb7a01acSMauro Carvalho Chehab for (;;) {
50139ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3400 thread: sleep\n");
502cb7a01acSMauro Carvalho Chehab msp_sleep(state, -1);
50339ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3400 thread: wakeup\n");
504cb7a01acSMauro Carvalho Chehab
505cb7a01acSMauro Carvalho Chehab restart:
50639ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "thread: restart scan\n");
507cb7a01acSMauro Carvalho Chehab state->restart = 0;
508cb7a01acSMauro Carvalho Chehab if (kthread_should_stop())
509cb7a01acSMauro Carvalho Chehab break;
510cb7a01acSMauro Carvalho Chehab
511cb7a01acSMauro Carvalho Chehab if (state->radio || MSP_MODE_EXTERN == state->mode) {
512cb7a01acSMauro Carvalho Chehab /* no carrier scan, just unmute */
51339ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
514cb7a01acSMauro Carvalho Chehab "thread: no carrier scan\n");
515cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 0;
516cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
517cb7a01acSMauro Carvalho Chehab continue;
518cb7a01acSMauro Carvalho Chehab }
519cb7a01acSMauro Carvalho Chehab
520cb7a01acSMauro Carvalho Chehab /* mute audio */
521cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 1;
522cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
523cb7a01acSMauro Carvalho Chehab
524cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_AM_DETECT);
525cb7a01acSMauro Carvalho Chehab val1 = val2 = 0;
526cb7a01acSMauro Carvalho Chehab max1 = max2 = -1;
527cb7a01acSMauro Carvalho Chehab state->watch_stereo = 0;
528cb7a01acSMauro Carvalho Chehab state->nicam_on = 0;
529cb7a01acSMauro Carvalho Chehab
530cb7a01acSMauro Carvalho Chehab /* wait for tuner to settle down after a channel change */
531cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 200))
532cb7a01acSMauro Carvalho Chehab goto restart;
533cb7a01acSMauro Carvalho Chehab
534cb7a01acSMauro Carvalho Chehab /* carrier detect pass #1 -- main carrier */
535cb7a01acSMauro Carvalho Chehab cd = msp3400c_carrier_detect_main;
536cb7a01acSMauro Carvalho Chehab count = ARRAY_SIZE(msp3400c_carrier_detect_main);
537cb7a01acSMauro Carvalho Chehab
538cb7a01acSMauro Carvalho Chehab if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) {
539cb7a01acSMauro Carvalho Chehab /* autodetect doesn't work well with AM ... */
540cb7a01acSMauro Carvalho Chehab max1 = 3;
541cb7a01acSMauro Carvalho Chehab count = 0;
54239ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "AM sound override\n");
543cb7a01acSMauro Carvalho Chehab }
544cb7a01acSMauro Carvalho Chehab
545cb7a01acSMauro Carvalho Chehab for (i = 0; i < count; i++) {
546cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo);
547cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 100))
548cb7a01acSMauro Carvalho Chehab goto restart;
549cb7a01acSMauro Carvalho Chehab val = msp_read_dsp(client, 0x1b);
550cb7a01acSMauro Carvalho Chehab if (val > 32767)
551cb7a01acSMauro Carvalho Chehab val -= 65536;
552*130e820dSJulia Lawall if (val1 < val) {
553*130e820dSJulia Lawall val1 = val;
554*130e820dSJulia Lawall max1 = i;
555*130e820dSJulia Lawall }
55639ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
557cb7a01acSMauro Carvalho Chehab "carrier1 val: %5d / %s\n", val, cd[i].name);
558cb7a01acSMauro Carvalho Chehab }
559cb7a01acSMauro Carvalho Chehab
560cb7a01acSMauro Carvalho Chehab /* carrier detect pass #2 -- second (stereo) carrier */
561cb7a01acSMauro Carvalho Chehab switch (max1) {
562cb7a01acSMauro Carvalho Chehab case 1: /* 5.5 */
563cb7a01acSMauro Carvalho Chehab cd = msp3400c_carrier_detect_55;
564cb7a01acSMauro Carvalho Chehab count = ARRAY_SIZE(msp3400c_carrier_detect_55);
565cb7a01acSMauro Carvalho Chehab break;
566cb7a01acSMauro Carvalho Chehab case 3: /* 6.5 */
567cb7a01acSMauro Carvalho Chehab cd = msp3400c_carrier_detect_65;
568cb7a01acSMauro Carvalho Chehab count = ARRAY_SIZE(msp3400c_carrier_detect_65);
569cb7a01acSMauro Carvalho Chehab break;
570cb7a01acSMauro Carvalho Chehab case 0: /* 4.5 */
571cb7a01acSMauro Carvalho Chehab case 2: /* 6.0 */
572cb7a01acSMauro Carvalho Chehab default:
573cb7a01acSMauro Carvalho Chehab cd = NULL;
574cb7a01acSMauro Carvalho Chehab count = 0;
575cb7a01acSMauro Carvalho Chehab break;
576cb7a01acSMauro Carvalho Chehab }
577cb7a01acSMauro Carvalho Chehab
578cb7a01acSMauro Carvalho Chehab if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) {
579cb7a01acSMauro Carvalho Chehab /* autodetect doesn't work well with AM ... */
580cb7a01acSMauro Carvalho Chehab cd = NULL;
581cb7a01acSMauro Carvalho Chehab count = 0;
582cb7a01acSMauro Carvalho Chehab max2 = 0;
583cb7a01acSMauro Carvalho Chehab }
584cb7a01acSMauro Carvalho Chehab for (i = 0; i < count; i++) {
585cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo);
586cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 100))
587cb7a01acSMauro Carvalho Chehab goto restart;
588cb7a01acSMauro Carvalho Chehab val = msp_read_dsp(client, 0x1b);
589cb7a01acSMauro Carvalho Chehab if (val > 32767)
590cb7a01acSMauro Carvalho Chehab val -= 65536;
591*130e820dSJulia Lawall if (val2 < val) {
592*130e820dSJulia Lawall val2 = val;
593*130e820dSJulia Lawall max2 = i;
594*130e820dSJulia Lawall }
59539ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
596cb7a01acSMauro Carvalho Chehab "carrier2 val: %5d / %s\n", val, cd[i].name);
597cb7a01acSMauro Carvalho Chehab }
598cb7a01acSMauro Carvalho Chehab
599cb7a01acSMauro Carvalho Chehab /* program the msp3400 according to the results */
600cb7a01acSMauro Carvalho Chehab state->main = msp3400c_carrier_detect_main[max1].cdo;
601cb7a01acSMauro Carvalho Chehab switch (max1) {
602cb7a01acSMauro Carvalho Chehab case 1: /* 5.5 */
603cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_BG | V4L2_STD_PAL_H;
604cb7a01acSMauro Carvalho Chehab if (max2 == 0) {
605cb7a01acSMauro Carvalho Chehab /* B/G FM-stereo */
606cb7a01acSMauro Carvalho Chehab state->second = msp3400c_carrier_detect_55[max2].cdo;
607cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
608cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
609cb7a01acSMauro Carvalho Chehab } else if (max2 == 1 && state->has_nicam) {
610cb7a01acSMauro Carvalho Chehab /* B/G NICAM */
611cb7a01acSMauro Carvalho Chehab state->second = msp3400c_carrier_detect_55[max2].cdo;
612cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_NICAM1);
613cb7a01acSMauro Carvalho Chehab state->nicam_on = 1;
614cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
615cb7a01acSMauro Carvalho Chehab } else {
616cb7a01acSMauro Carvalho Chehab goto no_second;
617cb7a01acSMauro Carvalho Chehab }
618cb7a01acSMauro Carvalho Chehab break;
619cb7a01acSMauro Carvalho Chehab case 2: /* 6.0 */
620cb7a01acSMauro Carvalho Chehab /* PAL I NICAM */
621cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_PAL_I;
622cb7a01acSMauro Carvalho Chehab state->second = MSP_CARRIER(6.552);
623cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_NICAM2);
624cb7a01acSMauro Carvalho Chehab state->nicam_on = 1;
625cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
626cb7a01acSMauro Carvalho Chehab break;
627cb7a01acSMauro Carvalho Chehab case 3: /* 6.5 */
628cb7a01acSMauro Carvalho Chehab if (max2 == 1 || max2 == 2) {
629cb7a01acSMauro Carvalho Chehab /* D/K FM-stereo */
630cb7a01acSMauro Carvalho Chehab state->second = msp3400c_carrier_detect_65[max2].cdo;
631cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
632cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
633cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_DK;
634cb7a01acSMauro Carvalho Chehab } else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) {
635cb7a01acSMauro Carvalho Chehab /* L NICAM or AM-mono */
636cb7a01acSMauro Carvalho Chehab state->second = msp3400c_carrier_detect_65[max2].cdo;
637cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_AM_NICAM);
638cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
639cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_L;
640cb7a01acSMauro Carvalho Chehab } else if (max2 == 0 && state->has_nicam) {
641cb7a01acSMauro Carvalho Chehab /* D/K NICAM */
642cb7a01acSMauro Carvalho Chehab state->second = msp3400c_carrier_detect_65[max2].cdo;
643cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_NICAM1);
644cb7a01acSMauro Carvalho Chehab state->nicam_on = 1;
645cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
646cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_DK;
647cb7a01acSMauro Carvalho Chehab } else {
648cb7a01acSMauro Carvalho Chehab goto no_second;
649cb7a01acSMauro Carvalho Chehab }
650cb7a01acSMauro Carvalho Chehab break;
651cb7a01acSMauro Carvalho Chehab case 0: /* 4.5 */
652cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_MN;
6531771e9fbSGustavo A. R. Silva fallthrough;
654cb7a01acSMauro Carvalho Chehab default:
655cb7a01acSMauro Carvalho Chehab no_second:
656cb7a01acSMauro Carvalho Chehab state->second = msp3400c_carrier_detect_main[max1].cdo;
657cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
658cb7a01acSMauro Carvalho Chehab break;
659cb7a01acSMauro Carvalho Chehab }
660cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, state->second, state->main);
661cb7a01acSMauro Carvalho Chehab
662cb7a01acSMauro Carvalho Chehab /* unmute */
663cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 0;
664cb7a01acSMauro Carvalho Chehab msp3400c_set_audmode(client);
665cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
666cb7a01acSMauro Carvalho Chehab
667cb7a01acSMauro Carvalho Chehab if (msp_debug)
668cb7a01acSMauro Carvalho Chehab msp3400c_print_mode(client);
669cb7a01acSMauro Carvalho Chehab
670cb7a01acSMauro Carvalho Chehab /* monitor tv audio mode, the first time don't wait
671cb7a01acSMauro Carvalho Chehab so long to get a quick stereo/bilingual result */
672cb7a01acSMauro Carvalho Chehab count = 3;
673cb7a01acSMauro Carvalho Chehab while (state->watch_stereo) {
674cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, count ? 1000 : 5000))
675cb7a01acSMauro Carvalho Chehab goto restart;
676cb7a01acSMauro Carvalho Chehab if (count)
677cb7a01acSMauro Carvalho Chehab count--;
678cb7a01acSMauro Carvalho Chehab watch_stereo(client);
679cb7a01acSMauro Carvalho Chehab }
680cb7a01acSMauro Carvalho Chehab }
68139ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n");
682cb7a01acSMauro Carvalho Chehab return 0;
683cb7a01acSMauro Carvalho Chehab }
684cb7a01acSMauro Carvalho Chehab
685cb7a01acSMauro Carvalho Chehab
msp3410d_thread(void * data)686cb7a01acSMauro Carvalho Chehab int msp3410d_thread(void *data)
687cb7a01acSMauro Carvalho Chehab {
688cb7a01acSMauro Carvalho Chehab struct i2c_client *client = data;
689cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
690cb7a01acSMauro Carvalho Chehab int val, i, std, count;
691cb7a01acSMauro Carvalho Chehab
69239ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3410 daemon started\n");
693cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_ALL;
694cb7a01acSMauro Carvalho Chehab set_freezable();
695cb7a01acSMauro Carvalho Chehab for (;;) {
69639ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3410 thread: sleep\n");
697cb7a01acSMauro Carvalho Chehab msp_sleep(state, -1);
69839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3410 thread: wakeup\n");
699cb7a01acSMauro Carvalho Chehab
700cb7a01acSMauro Carvalho Chehab restart:
70139ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "thread: restart scan\n");
702cb7a01acSMauro Carvalho Chehab state->restart = 0;
703cb7a01acSMauro Carvalho Chehab if (kthread_should_stop())
704cb7a01acSMauro Carvalho Chehab break;
705cb7a01acSMauro Carvalho Chehab
706cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_EXTERN) {
707cb7a01acSMauro Carvalho Chehab /* no carrier scan needed, just unmute */
70839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
709cb7a01acSMauro Carvalho Chehab "thread: no carrier scan\n");
710cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 0;
711cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
712cb7a01acSMauro Carvalho Chehab continue;
713cb7a01acSMauro Carvalho Chehab }
714cb7a01acSMauro Carvalho Chehab
715cb7a01acSMauro Carvalho Chehab /* mute audio */
716cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 1;
717cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
718cb7a01acSMauro Carvalho Chehab
719cb7a01acSMauro Carvalho Chehab /* start autodetect. Note: autodetect is not supported for
720cb7a01acSMauro Carvalho Chehab NTSC-M and radio, hence we force the standard in those
721cb7a01acSMauro Carvalho Chehab cases. */
722cb7a01acSMauro Carvalho Chehab if (state->radio)
723cb7a01acSMauro Carvalho Chehab std = 0x40;
724cb7a01acSMauro Carvalho Chehab else
725cb7a01acSMauro Carvalho Chehab std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1;
726cb7a01acSMauro Carvalho Chehab state->watch_stereo = 0;
727cb7a01acSMauro Carvalho Chehab state->nicam_on = 0;
728cb7a01acSMauro Carvalho Chehab
729cb7a01acSMauro Carvalho Chehab /* wait for tuner to settle down after a channel change */
730cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 200))
731cb7a01acSMauro Carvalho Chehab goto restart;
732cb7a01acSMauro Carvalho Chehab
733cb7a01acSMauro Carvalho Chehab if (msp_debug)
73439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug,
735cb7a01acSMauro Carvalho Chehab "setting standard: %s (0x%04x)\n",
736cb7a01acSMauro Carvalho Chehab msp_standard_std_name(std), std);
737cb7a01acSMauro Carvalho Chehab
738cb7a01acSMauro Carvalho Chehab if (std != 1) {
739cb7a01acSMauro Carvalho Chehab /* programmed some specific mode */
740cb7a01acSMauro Carvalho Chehab val = std;
741cb7a01acSMauro Carvalho Chehab } else {
742cb7a01acSMauro Carvalho Chehab /* triggered autodetect */
743cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x20, std);
744cb7a01acSMauro Carvalho Chehab for (;;) {
745cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 100))
746cb7a01acSMauro Carvalho Chehab goto restart;
747cb7a01acSMauro Carvalho Chehab
748cb7a01acSMauro Carvalho Chehab /* check results */
749cb7a01acSMauro Carvalho Chehab val = msp_read_dem(client, 0x7e);
750cb7a01acSMauro Carvalho Chehab if (val < 0x07ff)
751cb7a01acSMauro Carvalho Chehab break;
75239ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug,
753cb7a01acSMauro Carvalho Chehab "detection still in progress\n");
754cb7a01acSMauro Carvalho Chehab }
755cb7a01acSMauro Carvalho Chehab }
756cb7a01acSMauro Carvalho Chehab for (i = 0; msp_stdlist[i].name != NULL; i++)
757cb7a01acSMauro Carvalho Chehab if (msp_stdlist[i].retval == val)
758cb7a01acSMauro Carvalho Chehab break;
75939ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "current standard: %s (0x%04x)\n",
760cb7a01acSMauro Carvalho Chehab msp_standard_std_name(val), val);
761cb7a01acSMauro Carvalho Chehab state->main = msp_stdlist[i].main;
762cb7a01acSMauro Carvalho Chehab state->second = msp_stdlist[i].second;
763cb7a01acSMauro Carvalho Chehab state->std = val;
764cb7a01acSMauro Carvalho Chehab state->rxsubchans = V4L2_TUNER_SUB_MONO;
765cb7a01acSMauro Carvalho Chehab
766cb7a01acSMauro Carvalho Chehab if (msp_amsound && !state->radio &&
767cb7a01acSMauro Carvalho Chehab (state->v4l2_std & V4L2_STD_SECAM) && (val != 0x0009)) {
768cb7a01acSMauro Carvalho Chehab /* autodetection has failed, let backup */
76939ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "autodetection failed, switching to backup standard: %s (0x%04x)\n",
770cb7a01acSMauro Carvalho Chehab msp_stdlist[8].name ?
771cb7a01acSMauro Carvalho Chehab msp_stdlist[8].name : "unknown", val);
772cb7a01acSMauro Carvalho Chehab state->std = val = 0x0009;
773cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x20, val);
774cb7a01acSMauro Carvalho Chehab } else {
775cb7a01acSMauro Carvalho Chehab state->detected_std = msp_standard_std(state->std);
776cb7a01acSMauro Carvalho Chehab }
777cb7a01acSMauro Carvalho Chehab
778cb7a01acSMauro Carvalho Chehab /* set stereo */
779cb7a01acSMauro Carvalho Chehab switch (val) {
780cb7a01acSMauro Carvalho Chehab case 0x0008: /* B/G NICAM */
781cb7a01acSMauro Carvalho Chehab case 0x000a: /* I NICAM */
782cb7a01acSMauro Carvalho Chehab case 0x000b: /* D/K NICAM */
783cb7a01acSMauro Carvalho Chehab if (val == 0x000a)
784cb7a01acSMauro Carvalho Chehab state->mode = MSP_MODE_FM_NICAM2;
785cb7a01acSMauro Carvalho Chehab else
786cb7a01acSMauro Carvalho Chehab state->mode = MSP_MODE_FM_NICAM1;
787cb7a01acSMauro Carvalho Chehab /* just turn on stereo */
788cb7a01acSMauro Carvalho Chehab state->nicam_on = 1;
789cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
790cb7a01acSMauro Carvalho Chehab break;
791cb7a01acSMauro Carvalho Chehab case 0x0009:
792cb7a01acSMauro Carvalho Chehab state->mode = MSP_MODE_AM_NICAM;
793cb7a01acSMauro Carvalho Chehab state->nicam_on = 1;
794cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
795cb7a01acSMauro Carvalho Chehab break;
796cb7a01acSMauro Carvalho Chehab case 0x0020: /* BTSC */
797cb7a01acSMauro Carvalho Chehab /* The pre-'G' models only have BTSC-mono */
798cb7a01acSMauro Carvalho Chehab state->mode = MSP_MODE_BTSC;
799cb7a01acSMauro Carvalho Chehab break;
800cb7a01acSMauro Carvalho Chehab case 0x0040: /* FM radio */
801cb7a01acSMauro Carvalho Chehab state->mode = MSP_MODE_FM_RADIO;
802cb7a01acSMauro Carvalho Chehab state->rxsubchans = V4L2_TUNER_SUB_STEREO;
803cb7a01acSMauro Carvalho Chehab /* not needed in theory if we have radio, but
804cb7a01acSMauro Carvalho Chehab short programming enables carrier mute */
805cb7a01acSMauro Carvalho Chehab msp3400c_set_mode(client, MSP_MODE_FM_RADIO);
806cb7a01acSMauro Carvalho Chehab msp3400c_set_carrier(client, MSP_CARRIER(10.7),
807cb7a01acSMauro Carvalho Chehab MSP_CARRIER(10.7));
808cb7a01acSMauro Carvalho Chehab break;
809cb7a01acSMauro Carvalho Chehab case 0x0002:
810cb7a01acSMauro Carvalho Chehab case 0x0003:
811cb7a01acSMauro Carvalho Chehab case 0x0004:
812cb7a01acSMauro Carvalho Chehab case 0x0005:
813cb7a01acSMauro Carvalho Chehab state->mode = MSP_MODE_FM_TERRA;
814cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
815cb7a01acSMauro Carvalho Chehab break;
816cb7a01acSMauro Carvalho Chehab }
817cb7a01acSMauro Carvalho Chehab
818cb7a01acSMauro Carvalho Chehab /* set various prescales */
819cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0d, 0x1900); /* scart */
820cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0e, 0x3000); /* FM */
821cb7a01acSMauro Carvalho Chehab if (state->has_nicam)
822cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x10, 0x5a00); /* nicam */
823cb7a01acSMauro Carvalho Chehab
824cb7a01acSMauro Carvalho Chehab if (state->has_i2s_conf)
825cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x40, state->i2s_mode);
826cb7a01acSMauro Carvalho Chehab
827cb7a01acSMauro Carvalho Chehab /* unmute */
828cb7a01acSMauro Carvalho Chehab msp3400c_set_audmode(client);
829cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 0;
830cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
831cb7a01acSMauro Carvalho Chehab
832cb7a01acSMauro Carvalho Chehab /* monitor tv audio mode, the first time don't wait
833cb7a01acSMauro Carvalho Chehab so long to get a quick stereo/bilingual result */
834cb7a01acSMauro Carvalho Chehab count = 3;
835cb7a01acSMauro Carvalho Chehab while (state->watch_stereo) {
836cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, count ? 1000 : 5000))
837cb7a01acSMauro Carvalho Chehab goto restart;
838cb7a01acSMauro Carvalho Chehab if (count)
839cb7a01acSMauro Carvalho Chehab count--;
840cb7a01acSMauro Carvalho Chehab watch_stereo(client);
841cb7a01acSMauro Carvalho Chehab }
842cb7a01acSMauro Carvalho Chehab }
84339ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n");
844cb7a01acSMauro Carvalho Chehab return 0;
845cb7a01acSMauro Carvalho Chehab }
846cb7a01acSMauro Carvalho Chehab
847cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */
848cb7a01acSMauro Carvalho Chehab
849cb7a01acSMauro Carvalho Chehab /* msp34xxG + (autoselect no-thread)
850cb7a01acSMauro Carvalho Chehab * this one uses both automatic standard detection and automatic sound
851cb7a01acSMauro Carvalho Chehab * select which are available in the newer G versions
852cb7a01acSMauro Carvalho Chehab * struct msp: only norm, acb and source are really used in this mode
853cb7a01acSMauro Carvalho Chehab */
854cb7a01acSMauro Carvalho Chehab
msp34xxg_modus(struct i2c_client * client)855cb7a01acSMauro Carvalho Chehab static int msp34xxg_modus(struct i2c_client *client)
856cb7a01acSMauro Carvalho Chehab {
857cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
858cb7a01acSMauro Carvalho Chehab
859cb7a01acSMauro Carvalho Chehab if (state->radio) {
86039ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "selected radio modus\n");
861cb7a01acSMauro Carvalho Chehab return 0x0001;
862cb7a01acSMauro Carvalho Chehab }
863cb7a01acSMauro Carvalho Chehab if (state->v4l2_std == V4L2_STD_NTSC_M_JP) {
86439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (EIA-J) modus\n");
865cb7a01acSMauro Carvalho Chehab return 0x4001;
866cb7a01acSMauro Carvalho Chehab }
867cb7a01acSMauro Carvalho Chehab if (state->v4l2_std == V4L2_STD_NTSC_M_KR) {
86839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (A2) modus\n");
869cb7a01acSMauro Carvalho Chehab return 0x0001;
870cb7a01acSMauro Carvalho Chehab }
871cb7a01acSMauro Carvalho Chehab if (state->v4l2_std == V4L2_STD_SECAM_L) {
87239ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "selected SECAM-L modus\n");
873cb7a01acSMauro Carvalho Chehab return 0x6001;
874cb7a01acSMauro Carvalho Chehab }
875cb7a01acSMauro Carvalho Chehab if (state->v4l2_std & V4L2_STD_MN) {
87639ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (BTSC) modus\n");
877cb7a01acSMauro Carvalho Chehab return 0x2001;
878cb7a01acSMauro Carvalho Chehab }
879cb7a01acSMauro Carvalho Chehab return 0x7001;
880cb7a01acSMauro Carvalho Chehab }
881cb7a01acSMauro Carvalho Chehab
msp34xxg_set_source(struct i2c_client * client,u16 reg,int in)882cb7a01acSMauro Carvalho Chehab static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in)
883cb7a01acSMauro Carvalho Chehab {
884cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
885cb7a01acSMauro Carvalho Chehab int source, matrix;
886cb7a01acSMauro Carvalho Chehab
887cb7a01acSMauro Carvalho Chehab switch (state->audmode) {
888cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_MONO:
889cb7a01acSMauro Carvalho Chehab source = 0; /* mono only */
890cb7a01acSMauro Carvalho Chehab matrix = 0x30;
891cb7a01acSMauro Carvalho Chehab break;
892cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG2:
893cb7a01acSMauro Carvalho Chehab source = 4; /* stereo or B */
894cb7a01acSMauro Carvalho Chehab matrix = 0x10;
895cb7a01acSMauro Carvalho Chehab break;
896cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1_LANG2:
897cb7a01acSMauro Carvalho Chehab source = 1; /* stereo or A|B */
898cb7a01acSMauro Carvalho Chehab matrix = 0x20;
899cb7a01acSMauro Carvalho Chehab break;
900cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_LANG1:
901cb7a01acSMauro Carvalho Chehab source = 3; /* stereo or A */
902cb7a01acSMauro Carvalho Chehab matrix = 0x00;
903cb7a01acSMauro Carvalho Chehab break;
904cb7a01acSMauro Carvalho Chehab case V4L2_TUNER_MODE_STEREO:
905cb7a01acSMauro Carvalho Chehab default:
906cb7a01acSMauro Carvalho Chehab source = 3; /* stereo or A */
907cb7a01acSMauro Carvalho Chehab matrix = 0x20;
908cb7a01acSMauro Carvalho Chehab break;
909cb7a01acSMauro Carvalho Chehab }
910cb7a01acSMauro Carvalho Chehab
911cb7a01acSMauro Carvalho Chehab if (in == MSP_DSP_IN_TUNER)
912cb7a01acSMauro Carvalho Chehab source = (source << 8) | 0x20;
913cb7a01acSMauro Carvalho Chehab /* the msp34x2g puts the MAIN_AVC, MAIN and AUX sources in 12, 13, 14
914cb7a01acSMauro Carvalho Chehab instead of 11, 12, 13. So we add one for that msp version. */
915cb7a01acSMauro Carvalho Chehab else if (in >= MSP_DSP_IN_MAIN_AVC && state->has_dolby_pro_logic)
916cb7a01acSMauro Carvalho Chehab source = ((in + 1) << 8) | matrix;
917cb7a01acSMauro Carvalho Chehab else
918cb7a01acSMauro Carvalho Chehab source = (in << 8) | matrix;
919cb7a01acSMauro Carvalho Chehab
92039ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
921cb7a01acSMauro Carvalho Chehab "set source to %d (0x%x) for output %02x\n", in, source, reg);
922cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, reg, source);
923cb7a01acSMauro Carvalho Chehab }
924cb7a01acSMauro Carvalho Chehab
msp34xxg_set_sources(struct i2c_client * client)925cb7a01acSMauro Carvalho Chehab static void msp34xxg_set_sources(struct i2c_client *client)
926cb7a01acSMauro Carvalho Chehab {
927cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
928cb7a01acSMauro Carvalho Chehab u32 in = state->route_in;
929cb7a01acSMauro Carvalho Chehab
930cb7a01acSMauro Carvalho Chehab msp34xxg_set_source(client, 0x0008, (in >> 4) & 0xf);
931cb7a01acSMauro Carvalho Chehab /* quasi-peak detector is set to same input as the loudspeaker (MAIN) */
932cb7a01acSMauro Carvalho Chehab msp34xxg_set_source(client, 0x000c, (in >> 4) & 0xf);
933cb7a01acSMauro Carvalho Chehab msp34xxg_set_source(client, 0x0009, (in >> 8) & 0xf);
934cb7a01acSMauro Carvalho Chehab msp34xxg_set_source(client, 0x000a, (in >> 12) & 0xf);
935cb7a01acSMauro Carvalho Chehab if (state->has_scart2_out)
936cb7a01acSMauro Carvalho Chehab msp34xxg_set_source(client, 0x0041, (in >> 16) & 0xf);
937cb7a01acSMauro Carvalho Chehab msp34xxg_set_source(client, 0x000b, (in >> 20) & 0xf);
938cb7a01acSMauro Carvalho Chehab }
939cb7a01acSMauro Carvalho Chehab
940cb7a01acSMauro Carvalho Chehab /* (re-)initialize the msp34xxg */
msp34xxg_reset(struct i2c_client * client)941cb7a01acSMauro Carvalho Chehab static void msp34xxg_reset(struct i2c_client *client)
942cb7a01acSMauro Carvalho Chehab {
943cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
944cb7a01acSMauro Carvalho Chehab int tuner = (state->route_in >> 3) & 1;
945cb7a01acSMauro Carvalho Chehab int modus;
946cb7a01acSMauro Carvalho Chehab
947cb7a01acSMauro Carvalho Chehab /* initialize std to 1 (autodetect) to signal that no standard is
948cb7a01acSMauro Carvalho Chehab selected yet. */
949cb7a01acSMauro Carvalho Chehab state->std = 1;
950cb7a01acSMauro Carvalho Chehab
951cb7a01acSMauro Carvalho Chehab msp_reset(client);
952cb7a01acSMauro Carvalho Chehab
953cb7a01acSMauro Carvalho Chehab if (state->has_i2s_conf)
954cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x40, state->i2s_mode);
955cb7a01acSMauro Carvalho Chehab
956cb7a01acSMauro Carvalho Chehab /* step-by-step initialisation, as described in the manual */
957cb7a01acSMauro Carvalho Chehab modus = msp34xxg_modus(client);
958cb7a01acSMauro Carvalho Chehab modus |= tuner ? 0x100 : 0;
959cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x30, modus);
960cb7a01acSMauro Carvalho Chehab
961cb7a01acSMauro Carvalho Chehab /* write the dsps that may have an influence on
962cb7a01acSMauro Carvalho Chehab standard/audio autodetection right now */
963cb7a01acSMauro Carvalho Chehab msp34xxg_set_sources(client);
964cb7a01acSMauro Carvalho Chehab
965cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0d, 0x1900); /* scart */
966cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0e, 0x3000); /* FM */
967cb7a01acSMauro Carvalho Chehab if (state->has_nicam)
968cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x10, 0x5a00); /* nicam */
969cb7a01acSMauro Carvalho Chehab
970cb7a01acSMauro Carvalho Chehab /* set identification threshold. Personally, I
971cb7a01acSMauro Carvalho Chehab * I set it to a higher value than the default
972cb7a01acSMauro Carvalho Chehab * of 0x190 to ignore noisy stereo signals.
973cb7a01acSMauro Carvalho Chehab * this needs tuning. (recommended range 0x00a0-0x03c0)
974cb7a01acSMauro Carvalho Chehab * 0x7f0 = forced mono mode
975cb7a01acSMauro Carvalho Chehab *
976cb7a01acSMauro Carvalho Chehab * a2 threshold for stereo/bilingual.
977cb7a01acSMauro Carvalho Chehab * Note: this register is part of the Manual/Compatibility mode.
978cb7a01acSMauro Carvalho Chehab * It is supported by all 'G'-family chips.
979cb7a01acSMauro Carvalho Chehab */
980cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x22, msp_stereo_thresh);
981cb7a01acSMauro Carvalho Chehab }
982cb7a01acSMauro Carvalho Chehab
msp34xxg_thread(void * data)983cb7a01acSMauro Carvalho Chehab int msp34xxg_thread(void *data)
984cb7a01acSMauro Carvalho Chehab {
985cb7a01acSMauro Carvalho Chehab struct i2c_client *client = data;
986cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
987cb7a01acSMauro Carvalho Chehab int val, i;
988cb7a01acSMauro Carvalho Chehab
98939ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "msp34xxg daemon started\n");
990cb7a01acSMauro Carvalho Chehab state->detected_std = V4L2_STD_ALL;
991cb7a01acSMauro Carvalho Chehab set_freezable();
992cb7a01acSMauro Carvalho Chehab for (;;) {
99339ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "msp34xxg thread: sleep\n");
994cb7a01acSMauro Carvalho Chehab msp_sleep(state, -1);
99539ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug, "msp34xxg thread: wakeup\n");
996cb7a01acSMauro Carvalho Chehab
997cb7a01acSMauro Carvalho Chehab restart:
99839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: restart scan\n");
999cb7a01acSMauro Carvalho Chehab state->restart = 0;
1000cb7a01acSMauro Carvalho Chehab if (kthread_should_stop())
1001cb7a01acSMauro Carvalho Chehab break;
1002cb7a01acSMauro Carvalho Chehab
1003cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_EXTERN) {
1004cb7a01acSMauro Carvalho Chehab /* no carrier scan needed, just unmute */
100539ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
1006cb7a01acSMauro Carvalho Chehab "thread: no carrier scan\n");
1007cb7a01acSMauro Carvalho Chehab state->scan_in_progress = 0;
1008cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
1009cb7a01acSMauro Carvalho Chehab continue;
1010cb7a01acSMauro Carvalho Chehab }
1011cb7a01acSMauro Carvalho Chehab
1012cb7a01acSMauro Carvalho Chehab /* setup the chip*/
1013cb7a01acSMauro Carvalho Chehab msp34xxg_reset(client);
1014cb7a01acSMauro Carvalho Chehab state->std = state->radio ? 0x40 :
1015cb7a01acSMauro Carvalho Chehab (state->force_btsc && msp_standard == 1) ? 32 : msp_standard;
1016cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x20, state->std);
1017cb7a01acSMauro Carvalho Chehab /* start autodetect */
1018cb7a01acSMauro Carvalho Chehab if (state->std != 1)
1019cb7a01acSMauro Carvalho Chehab goto unmute;
1020cb7a01acSMauro Carvalho Chehab
1021cb7a01acSMauro Carvalho Chehab /* watch autodetect */
102239ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
1023cb7a01acSMauro Carvalho Chehab "started autodetect, waiting for result\n");
1024cb7a01acSMauro Carvalho Chehab for (i = 0; i < 10; i++) {
1025cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 100))
1026cb7a01acSMauro Carvalho Chehab goto restart;
1027cb7a01acSMauro Carvalho Chehab
1028cb7a01acSMauro Carvalho Chehab /* check results */
1029cb7a01acSMauro Carvalho Chehab val = msp_read_dem(client, 0x7e);
1030cb7a01acSMauro Carvalho Chehab if (val < 0x07ff) {
1031cb7a01acSMauro Carvalho Chehab state->std = val;
1032cb7a01acSMauro Carvalho Chehab break;
1033cb7a01acSMauro Carvalho Chehab }
103439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 2, msp_debug,
1035cb7a01acSMauro Carvalho Chehab "detection still in progress\n");
1036cb7a01acSMauro Carvalho Chehab }
1037cb7a01acSMauro Carvalho Chehab if (state->std == 1) {
103839ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
1039cb7a01acSMauro Carvalho Chehab "detection still in progress after 10 tries. giving up.\n");
1040cb7a01acSMauro Carvalho Chehab continue;
1041cb7a01acSMauro Carvalho Chehab }
1042cb7a01acSMauro Carvalho Chehab
1043cb7a01acSMauro Carvalho Chehab unmute:
104439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
1045cb7a01acSMauro Carvalho Chehab "detected standard: %s (0x%04x)\n",
1046cb7a01acSMauro Carvalho Chehab msp_standard_std_name(state->std), state->std);
1047cb7a01acSMauro Carvalho Chehab state->detected_std = msp_standard_std(state->std);
1048cb7a01acSMauro Carvalho Chehab
1049cb7a01acSMauro Carvalho Chehab if (state->std == 9) {
1050cb7a01acSMauro Carvalho Chehab /* AM NICAM mode */
1051cb7a01acSMauro Carvalho Chehab msp_write_dsp(client, 0x0e, 0x7c00);
1052cb7a01acSMauro Carvalho Chehab }
1053cb7a01acSMauro Carvalho Chehab
1054cb7a01acSMauro Carvalho Chehab /* unmute: dispatch sound to scart output, set scart volume */
1055cb7a01acSMauro Carvalho Chehab msp_update_volume(state);
1056cb7a01acSMauro Carvalho Chehab
1057cb7a01acSMauro Carvalho Chehab /* restore ACB */
1058cb7a01acSMauro Carvalho Chehab if (msp_write_dsp(client, 0x13, state->acb))
1059cb7a01acSMauro Carvalho Chehab return -1;
1060cb7a01acSMauro Carvalho Chehab
1061cb7a01acSMauro Carvalho Chehab /* the periodic stereo/SAP check is only relevant for
1062cb7a01acSMauro Carvalho Chehab the 0x20 standard (BTSC) */
1063cb7a01acSMauro Carvalho Chehab if (state->std != 0x20)
1064cb7a01acSMauro Carvalho Chehab continue;
1065cb7a01acSMauro Carvalho Chehab
1066cb7a01acSMauro Carvalho Chehab state->watch_stereo = 1;
1067cb7a01acSMauro Carvalho Chehab
1068cb7a01acSMauro Carvalho Chehab /* monitor tv audio mode, the first time don't wait
1069cb7a01acSMauro Carvalho Chehab in order to get a quick stereo/SAP update */
1070cb7a01acSMauro Carvalho Chehab watch_stereo(client);
1071cb7a01acSMauro Carvalho Chehab while (state->watch_stereo) {
1072cb7a01acSMauro Carvalho Chehab watch_stereo(client);
1073cb7a01acSMauro Carvalho Chehab if (msp_sleep(state, 5000))
1074cb7a01acSMauro Carvalho Chehab goto restart;
1075cb7a01acSMauro Carvalho Chehab }
1076cb7a01acSMauro Carvalho Chehab }
107739ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n");
1078cb7a01acSMauro Carvalho Chehab return 0;
1079cb7a01acSMauro Carvalho Chehab }
1080cb7a01acSMauro Carvalho Chehab
msp34xxg_detect_stereo(struct i2c_client * client)1081cb7a01acSMauro Carvalho Chehab static int msp34xxg_detect_stereo(struct i2c_client *client)
1082cb7a01acSMauro Carvalho Chehab {
1083cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
1084cb7a01acSMauro Carvalho Chehab int status = msp_read_dem(client, 0x0200);
1085cb7a01acSMauro Carvalho Chehab int is_bilingual = status & 0x100;
1086cb7a01acSMauro Carvalho Chehab int is_stereo = status & 0x40;
1087cb7a01acSMauro Carvalho Chehab int oldrx = state->rxsubchans;
1088cb7a01acSMauro Carvalho Chehab
1089cb7a01acSMauro Carvalho Chehab if (state->mode == MSP_MODE_EXTERN)
1090cb7a01acSMauro Carvalho Chehab return 0;
1091cb7a01acSMauro Carvalho Chehab
1092cb7a01acSMauro Carvalho Chehab state->rxsubchans = 0;
1093cb7a01acSMauro Carvalho Chehab if (is_stereo)
1094cb7a01acSMauro Carvalho Chehab state->rxsubchans = V4L2_TUNER_SUB_STEREO;
1095cb7a01acSMauro Carvalho Chehab else
1096cb7a01acSMauro Carvalho Chehab state->rxsubchans = V4L2_TUNER_SUB_MONO;
1097cb7a01acSMauro Carvalho Chehab if (is_bilingual) {
1098cb7a01acSMauro Carvalho Chehab if (state->std == 0x20)
1099cb7a01acSMauro Carvalho Chehab state->rxsubchans |= V4L2_TUNER_SUB_SAP;
1100cb7a01acSMauro Carvalho Chehab else
1101cb7a01acSMauro Carvalho Chehab state->rxsubchans =
1102cb7a01acSMauro Carvalho Chehab V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
1103cb7a01acSMauro Carvalho Chehab }
110439ad799aSMauro Carvalho Chehab dev_dbg_lvl(&client->dev, 1, msp_debug,
1105cb7a01acSMauro Carvalho Chehab "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n",
1106cb7a01acSMauro Carvalho Chehab status, is_stereo, is_bilingual, state->rxsubchans);
1107cb7a01acSMauro Carvalho Chehab return (oldrx != state->rxsubchans);
1108cb7a01acSMauro Carvalho Chehab }
1109cb7a01acSMauro Carvalho Chehab
msp34xxg_set_audmode(struct i2c_client * client)1110cb7a01acSMauro Carvalho Chehab static void msp34xxg_set_audmode(struct i2c_client *client)
1111cb7a01acSMauro Carvalho Chehab {
1112cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
1113cb7a01acSMauro Carvalho Chehab
1114cb7a01acSMauro Carvalho Chehab if (state->std == 0x20) {
1115cb7a01acSMauro Carvalho Chehab if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) &&
1116cb7a01acSMauro Carvalho Chehab (state->audmode == V4L2_TUNER_MODE_LANG1_LANG2 ||
1117cb7a01acSMauro Carvalho Chehab state->audmode == V4L2_TUNER_MODE_LANG2)) {
1118cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x20, 0x21);
1119cb7a01acSMauro Carvalho Chehab } else {
1120cb7a01acSMauro Carvalho Chehab msp_write_dem(client, 0x20, 0x20);
1121cb7a01acSMauro Carvalho Chehab }
1122cb7a01acSMauro Carvalho Chehab }
1123cb7a01acSMauro Carvalho Chehab
1124cb7a01acSMauro Carvalho Chehab msp34xxg_set_sources(client);
1125cb7a01acSMauro Carvalho Chehab }
1126cb7a01acSMauro Carvalho Chehab
msp_set_audmode(struct i2c_client * client)1127cb7a01acSMauro Carvalho Chehab void msp_set_audmode(struct i2c_client *client)
1128cb7a01acSMauro Carvalho Chehab {
1129cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
1130cb7a01acSMauro Carvalho Chehab
1131cb7a01acSMauro Carvalho Chehab switch (state->opmode) {
1132cb7a01acSMauro Carvalho Chehab case OPMODE_MANUAL:
1133cb7a01acSMauro Carvalho Chehab case OPMODE_AUTODETECT:
1134cb7a01acSMauro Carvalho Chehab msp3400c_set_audmode(client);
1135cb7a01acSMauro Carvalho Chehab break;
1136cb7a01acSMauro Carvalho Chehab case OPMODE_AUTOSELECT:
1137cb7a01acSMauro Carvalho Chehab msp34xxg_set_audmode(client);
1138cb7a01acSMauro Carvalho Chehab break;
1139cb7a01acSMauro Carvalho Chehab }
1140cb7a01acSMauro Carvalho Chehab }
1141cb7a01acSMauro Carvalho Chehab
msp_detect_stereo(struct i2c_client * client)1142cb7a01acSMauro Carvalho Chehab int msp_detect_stereo(struct i2c_client *client)
1143cb7a01acSMauro Carvalho Chehab {
1144cb7a01acSMauro Carvalho Chehab struct msp_state *state = to_state(i2c_get_clientdata(client));
1145cb7a01acSMauro Carvalho Chehab
1146cb7a01acSMauro Carvalho Chehab switch (state->opmode) {
1147cb7a01acSMauro Carvalho Chehab case OPMODE_MANUAL:
1148cb7a01acSMauro Carvalho Chehab case OPMODE_AUTODETECT:
1149cb7a01acSMauro Carvalho Chehab return msp3400c_detect_stereo(client);
1150cb7a01acSMauro Carvalho Chehab case OPMODE_AUTOSELECT:
1151cb7a01acSMauro Carvalho Chehab return msp34xxg_detect_stereo(client);
1152cb7a01acSMauro Carvalho Chehab }
1153cb7a01acSMauro Carvalho Chehab return 0;
1154cb7a01acSMauro Carvalho Chehab }
1155cb7a01acSMauro Carvalho Chehab
1156