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968cf782 DH |
1 | /* |
2 | * Auvitek AU8522 QAM/8VSB demodulator driver and video decoder | |
3 | * | |
4 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> | |
5 | * Copyright (C) 2005-2008 Auvitek International, Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * As published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
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., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | */ | |
22 | ||
23 | /* Developer notes: | |
24 | * | |
25 | * VBI support is not yet working | |
968cf782 DH |
26 | * Enough is implemented here for CVBS and S-Video inputs, but the actual |
27 | * analog demodulator code isn't implemented (not needed for xc5000 since it | |
28 | * has its own demodulator and outputs CVBS) | |
29 | * | |
30 | */ | |
31 | ||
32 | #include <linux/kernel.h> | |
33 | #include <linux/slab.h> | |
34 | #include <linux/videodev2.h> | |
35 | #include <linux/i2c.h> | |
36 | #include <linux/delay.h> | |
37 | #include <media/v4l2-common.h> | |
968cf782 DH |
38 | #include <media/v4l2-device.h> |
39 | #include "au8522.h" | |
40 | #include "au8522_priv.h" | |
41 | ||
42 | MODULE_AUTHOR("Devin Heitmueller"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | ||
45 | static int au8522_analog_debug; | |
46 | ||
968cf782 DH |
47 | |
48 | module_param_named(analog_debug, au8522_analog_debug, int, 0644); | |
49 | ||
50 | MODULE_PARM_DESC(analog_debug, | |
51 | "Analog debugging messages [0=Off (default) 1=On]"); | |
52 | ||
968cf782 DH |
53 | struct au8522_register_config { |
54 | u16 reg_name; | |
55 | u8 reg_val[8]; | |
56 | }; | |
57 | ||
58 | ||
59 | /* Video Decoder Filter Coefficients | |
60 | The values are as follows from left to right | |
61 | 0="ATV RF" 1="ATV RF13" 2="CVBS" 3="S-Video" 4="PAL" 5=CVBS13" 6="SVideo13" | |
62 | */ | |
c86a3c37 | 63 | static const struct au8522_register_config filter_coef[] = { |
62899a28 DH |
64 | {AU8522_FILTER_COEF_R410, {0x25, 0x00, 0x25, 0x25, 0x00, 0x00, 0x00} }, |
65 | {AU8522_FILTER_COEF_R411, {0x20, 0x00, 0x20, 0x20, 0x00, 0x00, 0x00} }, | |
66 | {AU8522_FILTER_COEF_R412, {0x03, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00} }, | |
67 | {AU8522_FILTER_COEF_R413, {0xe6, 0x00, 0xe6, 0xe6, 0x00, 0x00, 0x00} }, | |
68 | {AU8522_FILTER_COEF_R414, {0x40, 0x00, 0x40, 0x40, 0x00, 0x00, 0x00} }, | |
69 | {AU8522_FILTER_COEF_R415, {0x1b, 0x00, 0x1b, 0x1b, 0x00, 0x00, 0x00} }, | |
70 | {AU8522_FILTER_COEF_R416, {0xc0, 0x00, 0xc0, 0x04, 0x00, 0x00, 0x00} }, | |
71 | {AU8522_FILTER_COEF_R417, {0x04, 0x00, 0x04, 0x04, 0x00, 0x00, 0x00} }, | |
72 | {AU8522_FILTER_COEF_R418, {0x8c, 0x00, 0x8c, 0x8c, 0x00, 0x00, 0x00} }, | |
73 | {AU8522_FILTER_COEF_R419, {0xa0, 0x40, 0xa0, 0xa0, 0x40, 0x40, 0x40} }, | |
74 | {AU8522_FILTER_COEF_R41A, {0x21, 0x09, 0x21, 0x21, 0x09, 0x09, 0x09} }, | |
75 | {AU8522_FILTER_COEF_R41B, {0x6c, 0x38, 0x6c, 0x6c, 0x38, 0x38, 0x38} }, | |
76 | {AU8522_FILTER_COEF_R41C, {0x03, 0xff, 0x03, 0x03, 0xff, 0xff, 0xff} }, | |
77 | {AU8522_FILTER_COEF_R41D, {0xbf, 0xc7, 0xbf, 0xbf, 0xc7, 0xc7, 0xc7} }, | |
78 | {AU8522_FILTER_COEF_R41E, {0xa0, 0xdf, 0xa0, 0xa0, 0xdf, 0xdf, 0xdf} }, | |
79 | {AU8522_FILTER_COEF_R41F, {0x10, 0x06, 0x10, 0x10, 0x06, 0x06, 0x06} }, | |
80 | {AU8522_FILTER_COEF_R420, {0xae, 0x30, 0xae, 0xae, 0x30, 0x30, 0x30} }, | |
81 | {AU8522_FILTER_COEF_R421, {0xc4, 0x01, 0xc4, 0xc4, 0x01, 0x01, 0x01} }, | |
82 | {AU8522_FILTER_COEF_R422, {0x54, 0xdd, 0x54, 0x54, 0xdd, 0xdd, 0xdd} }, | |
83 | {AU8522_FILTER_COEF_R423, {0xd0, 0xaf, 0xd0, 0xd0, 0xaf, 0xaf, 0xaf} }, | |
84 | {AU8522_FILTER_COEF_R424, {0x1c, 0xf7, 0x1c, 0x1c, 0xf7, 0xf7, 0xf7} }, | |
85 | {AU8522_FILTER_COEF_R425, {0x76, 0xdb, 0x76, 0x76, 0xdb, 0xdb, 0xdb} }, | |
86 | {AU8522_FILTER_COEF_R426, {0x61, 0xc0, 0x61, 0x61, 0xc0, 0xc0, 0xc0} }, | |
87 | {AU8522_FILTER_COEF_R427, {0xd1, 0x2f, 0xd1, 0xd1, 0x2f, 0x2f, 0x2f} }, | |
88 | {AU8522_FILTER_COEF_R428, {0x84, 0xd8, 0x84, 0x84, 0xd8, 0xd8, 0xd8} }, | |
89 | {AU8522_FILTER_COEF_R429, {0x06, 0xfb, 0x06, 0x06, 0xfb, 0xfb, 0xfb} }, | |
90 | {AU8522_FILTER_COEF_R42A, {0x21, 0xd5, 0x21, 0x21, 0xd5, 0xd5, 0xd5} }, | |
91 | {AU8522_FILTER_COEF_R42B, {0x0a, 0x3e, 0x0a, 0x0a, 0x3e, 0x3e, 0x3e} }, | |
92 | {AU8522_FILTER_COEF_R42C, {0xe6, 0x15, 0xe6, 0xe6, 0x15, 0x15, 0x15} }, | |
93 | {AU8522_FILTER_COEF_R42D, {0x01, 0x34, 0x01, 0x01, 0x34, 0x34, 0x34} }, | |
968cf782 DH |
94 | |
95 | }; | |
62899a28 DH |
96 | #define NUM_FILTER_COEF (sizeof(filter_coef)\ |
97 | / sizeof(struct au8522_register_config)) | |
968cf782 DH |
98 | |
99 | ||
100 | /* Registers 0x060b through 0x0652 are the LP Filter coefficients | |
101 | The values are as follows from left to right | |
102 | 0="SIF" 1="ATVRF/ATVRF13" | |
103 | Note: the "ATVRF/ATVRF13" mode has never been tested | |
104 | */ | |
c86a3c37 | 105 | static const struct au8522_register_config lpfilter_coef[] = { |
62899a28 DH |
106 | {0x060b, {0x21, 0x0b} }, |
107 | {0x060c, {0xad, 0xad} }, | |
108 | {0x060d, {0x70, 0xf0} }, | |
109 | {0x060e, {0xea, 0xe9} }, | |
110 | {0x060f, {0xdd, 0xdd} }, | |
111 | {0x0610, {0x08, 0x64} }, | |
112 | {0x0611, {0x60, 0x60} }, | |
113 | {0x0612, {0xf8, 0xb2} }, | |
114 | {0x0613, {0x01, 0x02} }, | |
115 | {0x0614, {0xe4, 0xb4} }, | |
116 | {0x0615, {0x19, 0x02} }, | |
117 | {0x0616, {0xae, 0x2e} }, | |
118 | {0x0617, {0xee, 0xc5} }, | |
119 | {0x0618, {0x56, 0x56} }, | |
120 | {0x0619, {0x30, 0x58} }, | |
121 | {0x061a, {0xf9, 0xf8} }, | |
122 | {0x061b, {0x24, 0x64} }, | |
123 | {0x061c, {0x07, 0x07} }, | |
124 | {0x061d, {0x30, 0x30} }, | |
125 | {0x061e, {0xa9, 0xed} }, | |
126 | {0x061f, {0x09, 0x0b} }, | |
127 | {0x0620, {0x42, 0xc2} }, | |
128 | {0x0621, {0x1d, 0x2a} }, | |
129 | {0x0622, {0xd6, 0x56} }, | |
130 | {0x0623, {0x95, 0x8b} }, | |
131 | {0x0624, {0x2b, 0x2b} }, | |
132 | {0x0625, {0x30, 0x24} }, | |
133 | {0x0626, {0x3e, 0x3e} }, | |
134 | {0x0627, {0x62, 0xe2} }, | |
135 | {0x0628, {0xe9, 0xf5} }, | |
136 | {0x0629, {0x99, 0x19} }, | |
137 | {0x062a, {0xd4, 0x11} }, | |
138 | {0x062b, {0x03, 0x04} }, | |
139 | {0x062c, {0xb5, 0x85} }, | |
140 | {0x062d, {0x1e, 0x20} }, | |
141 | {0x062e, {0x2a, 0xea} }, | |
142 | {0x062f, {0xd7, 0xd2} }, | |
143 | {0x0630, {0x15, 0x15} }, | |
144 | {0x0631, {0xa3, 0xa9} }, | |
145 | {0x0632, {0x1f, 0x1f} }, | |
146 | {0x0633, {0xf9, 0xd1} }, | |
147 | {0x0634, {0xc0, 0xc3} }, | |
148 | {0x0635, {0x4d, 0x8d} }, | |
149 | {0x0636, {0x21, 0x31} }, | |
150 | {0x0637, {0x83, 0x83} }, | |
151 | {0x0638, {0x08, 0x8c} }, | |
152 | {0x0639, {0x19, 0x19} }, | |
153 | {0x063a, {0x45, 0xa5} }, | |
154 | {0x063b, {0xef, 0xec} }, | |
155 | {0x063c, {0x8a, 0x8a} }, | |
156 | {0x063d, {0xf4, 0xf6} }, | |
157 | {0x063e, {0x8f, 0x8f} }, | |
158 | {0x063f, {0x44, 0x0c} }, | |
159 | {0x0640, {0xef, 0xf0} }, | |
160 | {0x0641, {0x66, 0x66} }, | |
161 | {0x0642, {0xcc, 0xd2} }, | |
162 | {0x0643, {0x41, 0x41} }, | |
163 | {0x0644, {0x63, 0x93} }, | |
164 | {0x0645, {0x8e, 0x8e} }, | |
165 | {0x0646, {0xa2, 0x42} }, | |
166 | {0x0647, {0x7b, 0x7b} }, | |
167 | {0x0648, {0x04, 0x04} }, | |
168 | {0x0649, {0x00, 0x00} }, | |
169 | {0x064a, {0x40, 0x40} }, | |
170 | {0x064b, {0x8c, 0x98} }, | |
171 | {0x064c, {0x00, 0x00} }, | |
172 | {0x064d, {0x63, 0xc3} }, | |
173 | {0x064e, {0x04, 0x04} }, | |
174 | {0x064f, {0x20, 0x20} }, | |
175 | {0x0650, {0x00, 0x00} }, | |
176 | {0x0651, {0x40, 0x40} }, | |
177 | {0x0652, {0x01, 0x01} }, | |
968cf782 | 178 | }; |
62899a28 DH |
179 | #define NUM_LPFILTER_COEF (sizeof(lpfilter_coef)\ |
180 | / sizeof(struct au8522_register_config)) | |
968cf782 DH |
181 | |
182 | static inline struct au8522_state *to_state(struct v4l2_subdev *sd) | |
183 | { | |
184 | return container_of(sd, struct au8522_state, sd); | |
185 | } | |
186 | ||
187 | static void setup_vbi(struct au8522_state *state, int aud_input) | |
188 | { | |
189 | int i; | |
190 | ||
191 | /* These are set to zero regardless of what mode we're in */ | |
192 | au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_H_REG017H, 0x00); | |
193 | au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_L_REG018H, 0x00); | |
194 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_TOTAL_BITS_REG019H, 0x00); | |
195 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_TUNIT_H_REG01AH, 0x00); | |
196 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_TUNIT_L_REG01BH, 0x00); | |
197 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_THRESH1_REG01CH, 0x00); | |
198 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT2_REG01EH, 0x00); | |
199 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT1_REG01FH, 0x00); | |
200 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT0_REG020H, 0x00); | |
62899a28 DH |
201 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK2_REG021H, |
202 | 0x00); | |
203 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK1_REG022H, | |
204 | 0x00); | |
205 | au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK0_REG023H, | |
206 | 0x00); | |
968cf782 DH |
207 | |
208 | /* Setup the VBI registers */ | |
62899a28 | 209 | for (i = 0x30; i < 0x60; i++) |
968cf782 | 210 | au8522_writereg(state, i, 0x40); |
62899a28 | 211 | |
968cf782 DH |
212 | /* For some reason, every register is 0x40 except register 0x44 |
213 | (confirmed via the HVR-950q USB capture) */ | |
214 | au8522_writereg(state, 0x44, 0x60); | |
215 | ||
216 | /* Enable VBI (we always do this regardless of whether the user is | |
217 | viewing closed caption info) */ | |
218 | au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_H_REG017H, | |
219 | AU8522_TVDEC_VBI_CTRL_H_REG017H_CCON); | |
220 | ||
221 | } | |
222 | ||
223 | static void setup_decoder_defaults(struct au8522_state *state, u8 input_mode) | |
224 | { | |
225 | int i; | |
226 | int filter_coef_type; | |
227 | ||
228 | /* Provide reasonable defaults for picture tuning values */ | |
229 | au8522_writereg(state, AU8522_TVDEC_SHARPNESSREG009H, 0x07); | |
230 | au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, 0xed); | |
968cf782 | 231 | au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, 0x79); |
968cf782 DH |
232 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, 0x80); |
233 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, 0x80); | |
234 | au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, 0x00); | |
235 | au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, 0x00); | |
236 | ||
237 | /* Other decoder registers */ | |
238 | au8522_writereg(state, AU8522_TVDEC_INT_MASK_REG010H, 0x00); | |
239 | ||
240 | if (input_mode == 0x23) { | |
241 | /* S-Video input mapping */ | |
242 | au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x04); | |
243 | } else { | |
244 | /* All other modes (CVBS/ATVRF etc.) */ | |
245 | au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x00); | |
246 | } | |
247 | ||
248 | au8522_writereg(state, AU8522_TVDEC_PGA_REG012H, | |
249 | AU8522_TVDEC_PGA_REG012H_CVBS); | |
250 | au8522_writereg(state, AU8522_TVDEC_COMB_MODE_REG015H, | |
251 | AU8522_TVDEC_COMB_MODE_REG015H_CVBS); | |
252 | au8522_writereg(state, AU8522_TVDED_DBG_MODE_REG060H, | |
253 | AU8522_TVDED_DBG_MODE_REG060H_CVBS); | |
254 | au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, | |
a307cfa5 DH |
255 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | |
256 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | | |
257 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN); | |
968cf782 | 258 | au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, |
a307cfa5 | 259 | AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC); |
968cf782 DH |
260 | au8522_writereg(state, AU8522_TVDEC_VCR_DET_LLIM_REG063H, |
261 | AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS); | |
262 | au8522_writereg(state, AU8522_TVDEC_VCR_DET_HLIM_REG064H, | |
263 | AU8522_TVDEC_VCR_DET_HLIM_REG064H_CVBS); | |
264 | au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR1_REG065H, | |
265 | AU8522_TVDEC_COMB_VDIF_THR1_REG065H_CVBS); | |
266 | au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR2_REG066H, | |
267 | AU8522_TVDEC_COMB_VDIF_THR2_REG066H_CVBS); | |
268 | au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR3_REG067H, | |
269 | AU8522_TVDEC_COMB_VDIF_THR3_REG067H_CVBS); | |
270 | au8522_writereg(state, AU8522_TVDEC_COMB_NOTCH_THR_REG068H, | |
271 | AU8522_TVDEC_COMB_NOTCH_THR_REG068H_CVBS); | |
272 | au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR1_REG069H, | |
273 | AU8522_TVDEC_COMB_HDIF_THR1_REG069H_CVBS); | |
274 | au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR2_REG06AH, | |
275 | AU8522_TVDEC_COMB_HDIF_THR2_REG06AH_CVBS); | |
276 | au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR3_REG06BH, | |
277 | AU8522_TVDEC_COMB_HDIF_THR3_REG06BH_CVBS); | |
301c9f26 DH |
278 | if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 || |
279 | input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) { | |
280 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH, | |
281 | AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_SVIDEO); | |
282 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH, | |
283 | AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_SVIDEO); | |
284 | } else { | |
285 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH, | |
286 | AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS); | |
287 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH, | |
288 | AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS); | |
289 | } | |
968cf782 DH |
290 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH, |
291 | AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH_CVBS); | |
292 | au8522_writereg(state, AU8522_TVDEC_UV_SEP_THR_REG06FH, | |
293 | AU8522_TVDEC_UV_SEP_THR_REG06FH_CVBS); | |
294 | au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H, | |
295 | AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H_CVBS); | |
296 | au8522_writereg(state, AU8522_REG071H, AU8522_REG071H_CVBS); | |
297 | au8522_writereg(state, AU8522_REG072H, AU8522_REG072H_CVBS); | |
298 | au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H, | |
299 | AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H_CVBS); | |
300 | au8522_writereg(state, AU8522_REG074H, AU8522_REG074H_CVBS); | |
301 | au8522_writereg(state, AU8522_REG075H, AU8522_REG075H_CVBS); | |
302 | au8522_writereg(state, AU8522_TVDEC_DCAGC_CTRL_REG077H, | |
303 | AU8522_TVDEC_DCAGC_CTRL_REG077H_CVBS); | |
304 | au8522_writereg(state, AU8522_TVDEC_PIC_START_ADJ_REG078H, | |
305 | AU8522_TVDEC_PIC_START_ADJ_REG078H_CVBS); | |
306 | au8522_writereg(state, AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H, | |
307 | AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H_CVBS); | |
308 | au8522_writereg(state, AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH, | |
309 | AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH_CVBS); | |
310 | au8522_writereg(state, AU8522_TVDEC_INTRP_CTRL_REG07BH, | |
311 | AU8522_TVDEC_INTRP_CTRL_REG07BH_CVBS); | |
312 | au8522_writereg(state, AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H, | |
313 | AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H_CVBS); | |
314 | au8522_writereg(state, AU8522_TOREGAAGC_REG0E5H, | |
315 | AU8522_TOREGAAGC_REG0E5H_CVBS); | |
316 | au8522_writereg(state, AU8522_REG016H, AU8522_REG016H_CVBS); | |
317 | ||
318 | setup_vbi(state, 0); | |
319 | ||
320 | if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 || | |
321 | input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) { | |
322 | /* Despite what the table says, for the HVR-950q we still need | |
af901ca1 | 323 | to be in CVBS mode for the S-Video input (reason unknown). */ |
968cf782 DH |
324 | /* filter_coef_type = 3; */ |
325 | filter_coef_type = 5; | |
326 | } else { | |
327 | filter_coef_type = 5; | |
328 | } | |
329 | ||
330 | /* Load the Video Decoder Filter Coefficients */ | |
331 | for (i = 0; i < NUM_FILTER_COEF; i++) { | |
332 | au8522_writereg(state, filter_coef[i].reg_name, | |
333 | filter_coef[i].reg_val[filter_coef_type]); | |
334 | } | |
335 | ||
336 | /* It's not clear what these registers are for, but they are always | |
337 | set to the same value regardless of what mode we're in */ | |
338 | au8522_writereg(state, AU8522_REG42EH, 0x87); | |
339 | au8522_writereg(state, AU8522_REG42FH, 0xa2); | |
340 | au8522_writereg(state, AU8522_REG430H, 0xbf); | |
341 | au8522_writereg(state, AU8522_REG431H, 0xcb); | |
342 | au8522_writereg(state, AU8522_REG432H, 0xa1); | |
343 | au8522_writereg(state, AU8522_REG433H, 0x41); | |
344 | au8522_writereg(state, AU8522_REG434H, 0x88); | |
345 | au8522_writereg(state, AU8522_REG435H, 0xc2); | |
346 | au8522_writereg(state, AU8522_REG436H, 0x3c); | |
347 | } | |
348 | ||
349 | static void au8522_setup_cvbs_mode(struct au8522_state *state) | |
350 | { | |
351 | /* here we're going to try the pre-programmed route */ | |
352 | au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, | |
353 | AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS); | |
354 | ||
d2c194ce | 355 | /* PGA in automatic mode */ |
968cf782 | 356 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); |
d2c194ce DH |
357 | |
358 | /* Enable clamping control */ | |
359 | au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00); | |
968cf782 DH |
360 | |
361 | au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, | |
362 | AU8522_INPUT_CONTROL_REG081H_CVBS_CH1); | |
363 | ||
364 | setup_decoder_defaults(state, AU8522_INPUT_CONTROL_REG081H_CVBS_CH1); | |
365 | ||
366 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
367 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
368 | } | |
369 | ||
370 | static void au8522_setup_cvbs_tuner_mode(struct au8522_state *state) | |
371 | { | |
372 | /* here we're going to try the pre-programmed route */ | |
373 | au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, | |
374 | AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS); | |
375 | ||
d2c194ce DH |
376 | /* It's not clear why we have to have the PGA in automatic mode while |
377 | enabling clamp control, but it's what Windows does */ | |
968cf782 DH |
378 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); |
379 | ||
380 | /* Enable clamping control */ | |
381 | au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e); | |
382 | ||
d2c194ce | 383 | /* Disable automatic PGA (since the CVBS is coming from the tuner) */ |
968cf782 DH |
384 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x10); |
385 | ||
386 | /* Set input mode to CVBS on channel 4 with SIF audio input enabled */ | |
387 | au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, | |
388 | AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF); | |
389 | ||
390 | setup_decoder_defaults(state, | |
391 | AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF); | |
392 | ||
393 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
394 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
395 | } | |
396 | ||
397 | static void au8522_setup_svideo_mode(struct au8522_state *state) | |
398 | { | |
399 | au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, | |
400 | AU8522_MODULE_CLOCK_CONTROL_REG0A3H_SVIDEO); | |
401 | ||
402 | /* Set input to Y on Channe1, C on Channel 3 */ | |
403 | au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, | |
404 | AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13); | |
405 | ||
d2c194ce DH |
406 | /* PGA in automatic mode */ |
407 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); | |
408 | ||
409 | /* Enable clamping control */ | |
968cf782 DH |
410 | au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00); |
411 | ||
412 | setup_decoder_defaults(state, | |
413 | AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13); | |
414 | ||
415 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
416 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
417 | } | |
418 | ||
419 | /* ----------------------------------------------------------------------- */ | |
420 | ||
421 | static void disable_audio_input(struct au8522_state *state) | |
422 | { | |
968cf782 DH |
423 | au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00); |
424 | au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00); | |
425 | au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00); | |
968cf782 DH |
426 | |
427 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x04); | |
968cf782 DH |
428 | au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0x02); |
429 | ||
430 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
2428a2ed | 431 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO); |
968cf782 DH |
432 | } |
433 | ||
434 | /* 0=disable, 1=SIF */ | |
435 | static void set_audio_input(struct au8522_state *state, int aud_input) | |
436 | { | |
437 | int i; | |
438 | ||
439 | /* Note that this function needs to be used in conjunction with setting | |
440 | the input routing via register 0x81 */ | |
441 | ||
442 | if (aud_input == AU8522_AUDIO_NONE) { | |
443 | disable_audio_input(state); | |
444 | return; | |
445 | } | |
446 | ||
447 | if (aud_input != AU8522_AUDIO_SIF) { | |
448 | /* The caller asked for a mode we don't currently support */ | |
62899a28 | 449 | printk(KERN_ERR "Unsupported audio mode requested! mode=%d\n", |
968cf782 DH |
450 | aud_input); |
451 | return; | |
452 | } | |
453 | ||
454 | /* Load the Audio Decoder Filter Coefficients */ | |
455 | for (i = 0; i < NUM_LPFILTER_COEF; i++) { | |
456 | au8522_writereg(state, lpfilter_coef[i].reg_name, | |
457 | lpfilter_coef[i].reg_val[0]); | |
458 | } | |
459 | ||
460 | /* Setup audio */ | |
461 | au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00); | |
462 | au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00); | |
463 | au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00); | |
464 | au8522_writereg(state, AU8522_I2C_CONTROL_REG1_REG091H, 0x80); | |
465 | au8522_writereg(state, AU8522_I2C_CONTROL_REG0_REG090H, 0x84); | |
466 | msleep(150); | |
467 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x00); | |
468 | msleep(1); | |
469 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x9d); | |
470 | msleep(50); | |
471 | au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F); | |
472 | au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F); | |
473 | au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0xff); | |
474 | msleep(80); | |
475 | au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F); | |
476 | au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F); | |
477 | au8522_writereg(state, AU8522_REG0F9H, AU8522_REG0F9H_AUDIO); | |
478 | au8522_writereg(state, AU8522_AUDIO_MODE_REG0F1H, 0x82); | |
479 | msleep(70); | |
480 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x09); | |
481 | au8522_writereg(state, AU8522_AUDIOFREQ_REG606H, 0x03); | |
482 | au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0xc2); | |
483 | } | |
484 | ||
485 | /* ----------------------------------------------------------------------- */ | |
486 | ||
5a4bdb4b | 487 | static int au8522_s_ctrl(struct v4l2_ctrl *ctrl) |
968cf782 | 488 | { |
5a4bdb4b HV |
489 | struct au8522_state *state = |
490 | container_of(ctrl->handler, struct au8522_state, hdl); | |
968cf782 DH |
491 | |
492 | switch (ctrl->id) { | |
493 | case V4L2_CID_BRIGHTNESS: | |
968cf782 | 494 | au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, |
5a4bdb4b | 495 | ctrl->val - 128); |
968cf782 DH |
496 | break; |
497 | case V4L2_CID_CONTRAST: | |
968cf782 | 498 | au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, |
5a4bdb4b | 499 | ctrl->val); |
968cf782 DH |
500 | break; |
501 | case V4L2_CID_SATURATION: | |
36a91879 | 502 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, |
5a4bdb4b | 503 | ctrl->val); |
36a91879 | 504 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, |
5a4bdb4b | 505 | ctrl->val); |
36a91879 | 506 | break; |
968cf782 | 507 | case V4L2_CID_HUE: |
36a91879 | 508 | au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, |
5a4bdb4b | 509 | ctrl->val >> 8); |
36a91879 | 510 | au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, |
5a4bdb4b | 511 | ctrl->val & 0xFF); |
36a91879 | 512 | break; |
968cf782 DH |
513 | default: |
514 | return -EINVAL; | |
515 | } | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | /* ----------------------------------------------------------------------- */ | |
521 | ||
968cf782 DH |
522 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
523 | static int au8522_g_register(struct v4l2_subdev *sd, | |
524 | struct v4l2_dbg_register *reg) | |
525 | { | |
968cf782 DH |
526 | struct au8522_state *state = to_state(sd); |
527 | ||
968cf782 DH |
528 | reg->val = au8522_readreg(state, reg->reg & 0xffff); |
529 | return 0; | |
530 | } | |
531 | ||
532 | static int au8522_s_register(struct v4l2_subdev *sd, | |
977ba3b1 | 533 | const struct v4l2_dbg_register *reg) |
968cf782 | 534 | { |
968cf782 DH |
535 | struct au8522_state *state = to_state(sd); |
536 | ||
968cf782 DH |
537 | au8522_writereg(state, reg->reg, reg->val & 0xff); |
538 | return 0; | |
539 | } | |
540 | #endif | |
541 | ||
542 | static int au8522_s_stream(struct v4l2_subdev *sd, int enable) | |
543 | { | |
544 | struct au8522_state *state = to_state(sd); | |
545 | ||
546 | if (enable) { | |
547 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
548 | 0x01); | |
549 | msleep(1); | |
550 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
551 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
552 | } else { | |
553 | /* This does not completely power down the device | |
554 | (it only reduces it from around 140ma to 80ma) */ | |
555 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
556 | 1 << 5); | |
557 | } | |
558 | return 0; | |
559 | } | |
560 | ||
968cf782 DH |
561 | static int au8522_reset(struct v4l2_subdev *sd, u32 val) |
562 | { | |
563 | struct au8522_state *state = to_state(sd); | |
564 | ||
7f2c983c DH |
565 | state->operational_mode = AU8522_ANALOG_MODE; |
566 | ||
b628a2a3 DH |
567 | /* Clear out any state associated with the digital side of the |
568 | chip, so that when it gets powered back up it won't think | |
569 | that it is already tuned */ | |
570 | state->current_frequency = 0; | |
571 | ||
968cf782 DH |
572 | au8522_writereg(state, 0xa4, 1 << 5); |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
577 | static int au8522_s_video_routing(struct v4l2_subdev *sd, | |
5325b427 | 578 | u32 input, u32 output, u32 config) |
968cf782 DH |
579 | { |
580 | struct au8522_state *state = to_state(sd); | |
581 | ||
582 | au8522_reset(sd, 0); | |
583 | ||
5325b427 | 584 | if (input == AU8522_COMPOSITE_CH1) { |
968cf782 | 585 | au8522_setup_cvbs_mode(state); |
5325b427 | 586 | } else if (input == AU8522_SVIDEO_CH13) { |
968cf782 | 587 | au8522_setup_svideo_mode(state); |
5325b427 | 588 | } else if (input == AU8522_COMPOSITE_CH4_SIF) { |
968cf782 DH |
589 | au8522_setup_cvbs_tuner_mode(state); |
590 | } else { | |
62899a28 | 591 | printk(KERN_ERR "au8522 mode not currently supported\n"); |
968cf782 DH |
592 | return -EINVAL; |
593 | } | |
594 | return 0; | |
595 | } | |
596 | ||
597 | static int au8522_s_audio_routing(struct v4l2_subdev *sd, | |
5325b427 | 598 | u32 input, u32 output, u32 config) |
968cf782 DH |
599 | { |
600 | struct au8522_state *state = to_state(sd); | |
5325b427 | 601 | set_audio_input(state, input); |
968cf782 DH |
602 | return 0; |
603 | } | |
604 | ||
605 | static int au8522_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | |
606 | { | |
607 | int val = 0; | |
608 | struct au8522_state *state = to_state(sd); | |
609 | u8 lock_status; | |
610 | ||
611 | /* Interrogate the decoder to see if we are getting a real signal */ | |
612 | lock_status = au8522_readreg(state, 0x00); | |
613 | if (lock_status == 0xa2) | |
d749fb66 | 614 | vt->signal = 0xffff; |
968cf782 DH |
615 | else |
616 | vt->signal = 0x00; | |
617 | ||
618 | vt->capability |= | |
619 | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | | |
620 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; | |
621 | ||
622 | val = V4L2_TUNER_SUB_MONO; | |
623 | vt->rxsubchans = val; | |
624 | vt->audmode = V4L2_TUNER_MODE_STEREO; | |
625 | return 0; | |
626 | } | |
627 | ||
968cf782 DH |
628 | /* ----------------------------------------------------------------------- */ |
629 | ||
630 | static const struct v4l2_subdev_core_ops au8522_core_ops = { | |
5a4bdb4b | 631 | .log_status = v4l2_ctrl_subdev_log_status, |
968cf782 DH |
632 | .reset = au8522_reset, |
633 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
634 | .g_register = au8522_g_register, | |
635 | .s_register = au8522_s_register, | |
636 | #endif | |
637 | }; | |
638 | ||
639 | static const struct v4l2_subdev_tuner_ops au8522_tuner_ops = { | |
640 | .g_tuner = au8522_g_tuner, | |
641 | }; | |
642 | ||
643 | static const struct v4l2_subdev_audio_ops au8522_audio_ops = { | |
644 | .s_routing = au8522_s_audio_routing, | |
645 | }; | |
646 | ||
647 | static const struct v4l2_subdev_video_ops au8522_video_ops = { | |
648 | .s_routing = au8522_s_video_routing, | |
968cf782 DH |
649 | .s_stream = au8522_s_stream, |
650 | }; | |
651 | ||
652 | static const struct v4l2_subdev_ops au8522_ops = { | |
653 | .core = &au8522_core_ops, | |
654 | .tuner = &au8522_tuner_ops, | |
655 | .audio = &au8522_audio_ops, | |
656 | .video = &au8522_video_ops, | |
657 | }; | |
658 | ||
5a4bdb4b HV |
659 | static const struct v4l2_ctrl_ops au8522_ctrl_ops = { |
660 | .s_ctrl = au8522_s_ctrl, | |
661 | }; | |
662 | ||
968cf782 DH |
663 | /* ----------------------------------------------------------------------- */ |
664 | ||
665 | static int au8522_probe(struct i2c_client *client, | |
666 | const struct i2c_device_id *did) | |
667 | { | |
668 | struct au8522_state *state; | |
5a4bdb4b | 669 | struct v4l2_ctrl_handler *hdl; |
968cf782 DH |
670 | struct v4l2_subdev *sd; |
671 | int instance; | |
672 | struct au8522_config *demod_config; | |
673 | ||
674 | /* Check if the adapter supports the needed features */ | |
675 | if (!i2c_check_functionality(client->adapter, | |
676 | I2C_FUNC_SMBUS_BYTE_DATA)) { | |
677 | return -EIO; | |
678 | } | |
679 | ||
680 | /* allocate memory for the internal state */ | |
681 | instance = au8522_get_state(&state, client->adapter, client->addr); | |
682 | switch (instance) { | |
683 | case 0: | |
62899a28 | 684 | printk(KERN_ERR "au8522_decoder allocation failed\n"); |
968cf782 DH |
685 | return -EIO; |
686 | case 1: | |
687 | /* new demod instance */ | |
62899a28 | 688 | printk(KERN_INFO "au8522_decoder creating new instance...\n"); |
968cf782 DH |
689 | break; |
690 | default: | |
691 | /* existing demod instance */ | |
62899a28 | 692 | printk(KERN_INFO "au8522_decoder attach existing instance.\n"); |
968cf782 DH |
693 | break; |
694 | } | |
695 | ||
696 | demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL); | |
40d29517 RK |
697 | if (demod_config == NULL) { |
698 | if (instance == 1) | |
699 | kfree(state); | |
700 | return -ENOMEM; | |
701 | } | |
968cf782 DH |
702 | demod_config->demod_address = 0x8e >> 1; |
703 | ||
704 | state->config = demod_config; | |
705 | state->i2c = client->adapter; | |
706 | ||
707 | sd = &state->sd; | |
708 | v4l2_i2c_subdev_init(sd, client, &au8522_ops); | |
709 | ||
5a4bdb4b HV |
710 | hdl = &state->hdl; |
711 | v4l2_ctrl_handler_init(hdl, 4); | |
712 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
713 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 109); | |
714 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
715 | V4L2_CID_CONTRAST, 0, 255, 1, | |
716 | AU8522_TVDEC_CONTRAST_REG00BH_CVBS); | |
717 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
718 | V4L2_CID_SATURATION, 0, 255, 1, 128); | |
719 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
720 | V4L2_CID_HUE, -32768, 32767, 1, 0); | |
721 | sd->ctrl_handler = hdl; | |
722 | if (hdl->error) { | |
723 | int err = hdl->error; | |
724 | ||
725 | v4l2_ctrl_handler_free(hdl); | |
726 | kfree(demod_config); | |
727 | kfree(state); | |
728 | return err; | |
729 | } | |
730 | ||
968cf782 DH |
731 | state->c = client; |
732 | state->vid_input = AU8522_COMPOSITE_CH1; | |
733 | state->aud_input = AU8522_AUDIO_NONE; | |
734 | state->id = 8522; | |
735 | state->rev = 0; | |
736 | ||
737 | /* Jam open the i2c gate to the tuner */ | |
738 | au8522_writereg(state, 0x106, 1); | |
739 | ||
740 | return 0; | |
741 | } | |
742 | ||
743 | static int au8522_remove(struct i2c_client *client) | |
744 | { | |
745 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
746 | v4l2_device_unregister_subdev(sd); | |
5a4bdb4b | 747 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
968cf782 DH |
748 | au8522_release_state(to_state(sd)); |
749 | return 0; | |
750 | } | |
751 | ||
752 | static const struct i2c_device_id au8522_id[] = { | |
753 | {"au8522", 0}, | |
754 | {} | |
755 | }; | |
756 | ||
757 | MODULE_DEVICE_TABLE(i2c, au8522_id); | |
758 | ||
978cff6b HV |
759 | static struct i2c_driver au8522_driver = { |
760 | .driver = { | |
761 | .owner = THIS_MODULE, | |
762 | .name = "au8522", | |
763 | }, | |
764 | .probe = au8522_probe, | |
765 | .remove = au8522_remove, | |
766 | .id_table = au8522_id, | |
968cf782 | 767 | }; |
978cff6b | 768 | |
c6e8d86f | 769 | module_i2c_driver(au8522_driver); |