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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
968cf782 DH |
2 | /* |
3 | * Auvitek AU8522 QAM/8VSB demodulator driver and video decoder | |
4 | * | |
5 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> | |
6 | * Copyright (C) 2005-2008 Auvitek International, Ltd. | |
968cf782 DH |
7 | */ |
8 | ||
9 | /* Developer notes: | |
10 | * | |
968cf782 DH |
11 | * Enough is implemented here for CVBS and S-Video inputs, but the actual |
12 | * analog demodulator code isn't implemented (not needed for xc5000 since it | |
13 | * has its own demodulator and outputs CVBS) | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/slab.h> | |
19 | #include <linux/videodev2.h> | |
20 | #include <linux/i2c.h> | |
21 | #include <linux/delay.h> | |
22 | #include <media/v4l2-common.h> | |
968cf782 DH |
23 | #include <media/v4l2-device.h> |
24 | #include "au8522.h" | |
25 | #include "au8522_priv.h" | |
26 | ||
27 | MODULE_AUTHOR("Devin Heitmueller"); | |
28 | MODULE_LICENSE("GPL"); | |
29 | ||
30 | static int au8522_analog_debug; | |
31 | ||
968cf782 DH |
32 | |
33 | module_param_named(analog_debug, au8522_analog_debug, int, 0644); | |
34 | ||
35 | MODULE_PARM_DESC(analog_debug, | |
36 | "Analog debugging messages [0=Off (default) 1=On]"); | |
37 | ||
968cf782 DH |
38 | struct au8522_register_config { |
39 | u16 reg_name; | |
40 | u8 reg_val[8]; | |
41 | }; | |
42 | ||
43 | ||
44 | /* Video Decoder Filter Coefficients | |
45 | The values are as follows from left to right | |
46 | 0="ATV RF" 1="ATV RF13" 2="CVBS" 3="S-Video" 4="PAL" 5=CVBS13" 6="SVideo13" | |
47 | */ | |
c86a3c37 | 48 | static const struct au8522_register_config filter_coef[] = { |
62899a28 DH |
49 | {AU8522_FILTER_COEF_R410, {0x25, 0x00, 0x25, 0x25, 0x00, 0x00, 0x00} }, |
50 | {AU8522_FILTER_COEF_R411, {0x20, 0x00, 0x20, 0x20, 0x00, 0x00, 0x00} }, | |
51 | {AU8522_FILTER_COEF_R412, {0x03, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00} }, | |
52 | {AU8522_FILTER_COEF_R413, {0xe6, 0x00, 0xe6, 0xe6, 0x00, 0x00, 0x00} }, | |
53 | {AU8522_FILTER_COEF_R414, {0x40, 0x00, 0x40, 0x40, 0x00, 0x00, 0x00} }, | |
54 | {AU8522_FILTER_COEF_R415, {0x1b, 0x00, 0x1b, 0x1b, 0x00, 0x00, 0x00} }, | |
55 | {AU8522_FILTER_COEF_R416, {0xc0, 0x00, 0xc0, 0x04, 0x00, 0x00, 0x00} }, | |
56 | {AU8522_FILTER_COEF_R417, {0x04, 0x00, 0x04, 0x04, 0x00, 0x00, 0x00} }, | |
57 | {AU8522_FILTER_COEF_R418, {0x8c, 0x00, 0x8c, 0x8c, 0x00, 0x00, 0x00} }, | |
58 | {AU8522_FILTER_COEF_R419, {0xa0, 0x40, 0xa0, 0xa0, 0x40, 0x40, 0x40} }, | |
59 | {AU8522_FILTER_COEF_R41A, {0x21, 0x09, 0x21, 0x21, 0x09, 0x09, 0x09} }, | |
60 | {AU8522_FILTER_COEF_R41B, {0x6c, 0x38, 0x6c, 0x6c, 0x38, 0x38, 0x38} }, | |
61 | {AU8522_FILTER_COEF_R41C, {0x03, 0xff, 0x03, 0x03, 0xff, 0xff, 0xff} }, | |
62 | {AU8522_FILTER_COEF_R41D, {0xbf, 0xc7, 0xbf, 0xbf, 0xc7, 0xc7, 0xc7} }, | |
63 | {AU8522_FILTER_COEF_R41E, {0xa0, 0xdf, 0xa0, 0xa0, 0xdf, 0xdf, 0xdf} }, | |
64 | {AU8522_FILTER_COEF_R41F, {0x10, 0x06, 0x10, 0x10, 0x06, 0x06, 0x06} }, | |
65 | {AU8522_FILTER_COEF_R420, {0xae, 0x30, 0xae, 0xae, 0x30, 0x30, 0x30} }, | |
66 | {AU8522_FILTER_COEF_R421, {0xc4, 0x01, 0xc4, 0xc4, 0x01, 0x01, 0x01} }, | |
67 | {AU8522_FILTER_COEF_R422, {0x54, 0xdd, 0x54, 0x54, 0xdd, 0xdd, 0xdd} }, | |
68 | {AU8522_FILTER_COEF_R423, {0xd0, 0xaf, 0xd0, 0xd0, 0xaf, 0xaf, 0xaf} }, | |
69 | {AU8522_FILTER_COEF_R424, {0x1c, 0xf7, 0x1c, 0x1c, 0xf7, 0xf7, 0xf7} }, | |
70 | {AU8522_FILTER_COEF_R425, {0x76, 0xdb, 0x76, 0x76, 0xdb, 0xdb, 0xdb} }, | |
71 | {AU8522_FILTER_COEF_R426, {0x61, 0xc0, 0x61, 0x61, 0xc0, 0xc0, 0xc0} }, | |
72 | {AU8522_FILTER_COEF_R427, {0xd1, 0x2f, 0xd1, 0xd1, 0x2f, 0x2f, 0x2f} }, | |
73 | {AU8522_FILTER_COEF_R428, {0x84, 0xd8, 0x84, 0x84, 0xd8, 0xd8, 0xd8} }, | |
74 | {AU8522_FILTER_COEF_R429, {0x06, 0xfb, 0x06, 0x06, 0xfb, 0xfb, 0xfb} }, | |
75 | {AU8522_FILTER_COEF_R42A, {0x21, 0xd5, 0x21, 0x21, 0xd5, 0xd5, 0xd5} }, | |
76 | {AU8522_FILTER_COEF_R42B, {0x0a, 0x3e, 0x0a, 0x0a, 0x3e, 0x3e, 0x3e} }, | |
77 | {AU8522_FILTER_COEF_R42C, {0xe6, 0x15, 0xe6, 0xe6, 0x15, 0x15, 0x15} }, | |
78 | {AU8522_FILTER_COEF_R42D, {0x01, 0x34, 0x01, 0x01, 0x34, 0x34, 0x34} }, | |
968cf782 DH |
79 | |
80 | }; | |
62899a28 DH |
81 | #define NUM_FILTER_COEF (sizeof(filter_coef)\ |
82 | / sizeof(struct au8522_register_config)) | |
968cf782 DH |
83 | |
84 | ||
85 | /* Registers 0x060b through 0x0652 are the LP Filter coefficients | |
86 | The values are as follows from left to right | |
87 | 0="SIF" 1="ATVRF/ATVRF13" | |
88 | Note: the "ATVRF/ATVRF13" mode has never been tested | |
89 | */ | |
c86a3c37 | 90 | static const struct au8522_register_config lpfilter_coef[] = { |
62899a28 DH |
91 | {0x060b, {0x21, 0x0b} }, |
92 | {0x060c, {0xad, 0xad} }, | |
93 | {0x060d, {0x70, 0xf0} }, | |
94 | {0x060e, {0xea, 0xe9} }, | |
95 | {0x060f, {0xdd, 0xdd} }, | |
96 | {0x0610, {0x08, 0x64} }, | |
97 | {0x0611, {0x60, 0x60} }, | |
98 | {0x0612, {0xf8, 0xb2} }, | |
99 | {0x0613, {0x01, 0x02} }, | |
100 | {0x0614, {0xe4, 0xb4} }, | |
101 | {0x0615, {0x19, 0x02} }, | |
102 | {0x0616, {0xae, 0x2e} }, | |
103 | {0x0617, {0xee, 0xc5} }, | |
104 | {0x0618, {0x56, 0x56} }, | |
105 | {0x0619, {0x30, 0x58} }, | |
106 | {0x061a, {0xf9, 0xf8} }, | |
107 | {0x061b, {0x24, 0x64} }, | |
108 | {0x061c, {0x07, 0x07} }, | |
109 | {0x061d, {0x30, 0x30} }, | |
110 | {0x061e, {0xa9, 0xed} }, | |
111 | {0x061f, {0x09, 0x0b} }, | |
112 | {0x0620, {0x42, 0xc2} }, | |
113 | {0x0621, {0x1d, 0x2a} }, | |
114 | {0x0622, {0xd6, 0x56} }, | |
115 | {0x0623, {0x95, 0x8b} }, | |
116 | {0x0624, {0x2b, 0x2b} }, | |
117 | {0x0625, {0x30, 0x24} }, | |
118 | {0x0626, {0x3e, 0x3e} }, | |
119 | {0x0627, {0x62, 0xe2} }, | |
120 | {0x0628, {0xe9, 0xf5} }, | |
121 | {0x0629, {0x99, 0x19} }, | |
122 | {0x062a, {0xd4, 0x11} }, | |
123 | {0x062b, {0x03, 0x04} }, | |
124 | {0x062c, {0xb5, 0x85} }, | |
125 | {0x062d, {0x1e, 0x20} }, | |
126 | {0x062e, {0x2a, 0xea} }, | |
127 | {0x062f, {0xd7, 0xd2} }, | |
128 | {0x0630, {0x15, 0x15} }, | |
129 | {0x0631, {0xa3, 0xa9} }, | |
130 | {0x0632, {0x1f, 0x1f} }, | |
131 | {0x0633, {0xf9, 0xd1} }, | |
132 | {0x0634, {0xc0, 0xc3} }, | |
133 | {0x0635, {0x4d, 0x8d} }, | |
134 | {0x0636, {0x21, 0x31} }, | |
135 | {0x0637, {0x83, 0x83} }, | |
136 | {0x0638, {0x08, 0x8c} }, | |
137 | {0x0639, {0x19, 0x19} }, | |
138 | {0x063a, {0x45, 0xa5} }, | |
139 | {0x063b, {0xef, 0xec} }, | |
140 | {0x063c, {0x8a, 0x8a} }, | |
141 | {0x063d, {0xf4, 0xf6} }, | |
142 | {0x063e, {0x8f, 0x8f} }, | |
143 | {0x063f, {0x44, 0x0c} }, | |
144 | {0x0640, {0xef, 0xf0} }, | |
145 | {0x0641, {0x66, 0x66} }, | |
146 | {0x0642, {0xcc, 0xd2} }, | |
147 | {0x0643, {0x41, 0x41} }, | |
148 | {0x0644, {0x63, 0x93} }, | |
149 | {0x0645, {0x8e, 0x8e} }, | |
150 | {0x0646, {0xa2, 0x42} }, | |
151 | {0x0647, {0x7b, 0x7b} }, | |
152 | {0x0648, {0x04, 0x04} }, | |
153 | {0x0649, {0x00, 0x00} }, | |
154 | {0x064a, {0x40, 0x40} }, | |
155 | {0x064b, {0x8c, 0x98} }, | |
156 | {0x064c, {0x00, 0x00} }, | |
157 | {0x064d, {0x63, 0xc3} }, | |
158 | {0x064e, {0x04, 0x04} }, | |
159 | {0x064f, {0x20, 0x20} }, | |
160 | {0x0650, {0x00, 0x00} }, | |
161 | {0x0651, {0x40, 0x40} }, | |
162 | {0x0652, {0x01, 0x01} }, | |
968cf782 | 163 | }; |
62899a28 DH |
164 | #define NUM_LPFILTER_COEF (sizeof(lpfilter_coef)\ |
165 | / sizeof(struct au8522_register_config)) | |
968cf782 DH |
166 | |
167 | static inline struct au8522_state *to_state(struct v4l2_subdev *sd) | |
168 | { | |
169 | return container_of(sd, struct au8522_state, sd); | |
170 | } | |
171 | ||
65c88209 | 172 | static void setup_decoder_defaults(struct au8522_state *state, bool is_svideo) |
968cf782 DH |
173 | { |
174 | int i; | |
175 | int filter_coef_type; | |
176 | ||
177 | /* Provide reasonable defaults for picture tuning values */ | |
178 | au8522_writereg(state, AU8522_TVDEC_SHARPNESSREG009H, 0x07); | |
179 | au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, 0xed); | |
968cf782 | 180 | au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, 0x79); |
968cf782 DH |
181 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, 0x80); |
182 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, 0x80); | |
183 | au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, 0x00); | |
184 | au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, 0x00); | |
185 | ||
186 | /* Other decoder registers */ | |
187 | au8522_writereg(state, AU8522_TVDEC_INT_MASK_REG010H, 0x00); | |
188 | ||
65c88209 | 189 | if (is_svideo) |
968cf782 | 190 | au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x04); |
65c88209 | 191 | else |
968cf782 | 192 | au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x00); |
968cf782 DH |
193 | |
194 | au8522_writereg(state, AU8522_TVDEC_PGA_REG012H, | |
195 | AU8522_TVDEC_PGA_REG012H_CVBS); | |
196 | au8522_writereg(state, AU8522_TVDEC_COMB_MODE_REG015H, | |
197 | AU8522_TVDEC_COMB_MODE_REG015H_CVBS); | |
198 | au8522_writereg(state, AU8522_TVDED_DBG_MODE_REG060H, | |
199 | AU8522_TVDED_DBG_MODE_REG060H_CVBS); | |
f2fd7ce6 MCC |
200 | |
201 | if (state->std == V4L2_STD_PAL_M) { | |
202 | au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, | |
203 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | | |
204 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | | |
205 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_AUTO); | |
206 | au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, | |
207 | AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_PAL_M); | |
208 | } else { | |
209 | /* NTSC */ | |
210 | au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, | |
211 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | | |
212 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | | |
213 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN); | |
214 | au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, | |
215 | AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC); | |
216 | } | |
968cf782 DH |
217 | au8522_writereg(state, AU8522_TVDEC_VCR_DET_LLIM_REG063H, |
218 | AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS); | |
219 | au8522_writereg(state, AU8522_TVDEC_VCR_DET_HLIM_REG064H, | |
220 | AU8522_TVDEC_VCR_DET_HLIM_REG064H_CVBS); | |
221 | au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR1_REG065H, | |
222 | AU8522_TVDEC_COMB_VDIF_THR1_REG065H_CVBS); | |
223 | au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR2_REG066H, | |
224 | AU8522_TVDEC_COMB_VDIF_THR2_REG066H_CVBS); | |
225 | au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR3_REG067H, | |
226 | AU8522_TVDEC_COMB_VDIF_THR3_REG067H_CVBS); | |
227 | au8522_writereg(state, AU8522_TVDEC_COMB_NOTCH_THR_REG068H, | |
228 | AU8522_TVDEC_COMB_NOTCH_THR_REG068H_CVBS); | |
229 | au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR1_REG069H, | |
230 | AU8522_TVDEC_COMB_HDIF_THR1_REG069H_CVBS); | |
231 | au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR2_REG06AH, | |
232 | AU8522_TVDEC_COMB_HDIF_THR2_REG06AH_CVBS); | |
233 | au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR3_REG06BH, | |
234 | AU8522_TVDEC_COMB_HDIF_THR3_REG06BH_CVBS); | |
65c88209 | 235 | if (is_svideo) { |
301c9f26 DH |
236 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH, |
237 | AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_SVIDEO); | |
238 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH, | |
239 | AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_SVIDEO); | |
240 | } else { | |
241 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH, | |
242 | AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS); | |
243 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH, | |
244 | AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS); | |
245 | } | |
968cf782 DH |
246 | au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH, |
247 | AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH_CVBS); | |
248 | au8522_writereg(state, AU8522_TVDEC_UV_SEP_THR_REG06FH, | |
249 | AU8522_TVDEC_UV_SEP_THR_REG06FH_CVBS); | |
250 | au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H, | |
251 | AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H_CVBS); | |
252 | au8522_writereg(state, AU8522_REG071H, AU8522_REG071H_CVBS); | |
253 | au8522_writereg(state, AU8522_REG072H, AU8522_REG072H_CVBS); | |
254 | au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H, | |
255 | AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H_CVBS); | |
256 | au8522_writereg(state, AU8522_REG074H, AU8522_REG074H_CVBS); | |
257 | au8522_writereg(state, AU8522_REG075H, AU8522_REG075H_CVBS); | |
258 | au8522_writereg(state, AU8522_TVDEC_DCAGC_CTRL_REG077H, | |
259 | AU8522_TVDEC_DCAGC_CTRL_REG077H_CVBS); | |
260 | au8522_writereg(state, AU8522_TVDEC_PIC_START_ADJ_REG078H, | |
261 | AU8522_TVDEC_PIC_START_ADJ_REG078H_CVBS); | |
262 | au8522_writereg(state, AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H, | |
263 | AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H_CVBS); | |
264 | au8522_writereg(state, AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH, | |
265 | AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH_CVBS); | |
266 | au8522_writereg(state, AU8522_TVDEC_INTRP_CTRL_REG07BH, | |
267 | AU8522_TVDEC_INTRP_CTRL_REG07BH_CVBS); | |
268 | au8522_writereg(state, AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H, | |
269 | AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H_CVBS); | |
270 | au8522_writereg(state, AU8522_TOREGAAGC_REG0E5H, | |
271 | AU8522_TOREGAAGC_REG0E5H_CVBS); | |
272 | au8522_writereg(state, AU8522_REG016H, AU8522_REG016H_CVBS); | |
273 | ||
b3b2d5b6 GS |
274 | /* |
275 | * Despite what the table says, for the HVR-950q we still need | |
276 | * to be in CVBS mode for the S-Video input (reason unknown). | |
277 | */ | |
278 | /* filter_coef_type = 3; */ | |
279 | filter_coef_type = 5; | |
968cf782 DH |
280 | |
281 | /* Load the Video Decoder Filter Coefficients */ | |
282 | for (i = 0; i < NUM_FILTER_COEF; i++) { | |
283 | au8522_writereg(state, filter_coef[i].reg_name, | |
284 | filter_coef[i].reg_val[filter_coef_type]); | |
285 | } | |
286 | ||
287 | /* It's not clear what these registers are for, but they are always | |
288 | set to the same value regardless of what mode we're in */ | |
289 | au8522_writereg(state, AU8522_REG42EH, 0x87); | |
290 | au8522_writereg(state, AU8522_REG42FH, 0xa2); | |
291 | au8522_writereg(state, AU8522_REG430H, 0xbf); | |
292 | au8522_writereg(state, AU8522_REG431H, 0xcb); | |
293 | au8522_writereg(state, AU8522_REG432H, 0xa1); | |
294 | au8522_writereg(state, AU8522_REG433H, 0x41); | |
295 | au8522_writereg(state, AU8522_REG434H, 0x88); | |
296 | au8522_writereg(state, AU8522_REG435H, 0xc2); | |
297 | au8522_writereg(state, AU8522_REG436H, 0x3c); | |
298 | } | |
299 | ||
36469316 | 300 | static void au8522_setup_cvbs_mode(struct au8522_state *state, u8 input_mode) |
968cf782 DH |
301 | { |
302 | /* here we're going to try the pre-programmed route */ | |
303 | au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, | |
304 | AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS); | |
305 | ||
d2c194ce | 306 | /* PGA in automatic mode */ |
968cf782 | 307 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); |
d2c194ce DH |
308 | |
309 | /* Enable clamping control */ | |
310 | au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00); | |
968cf782 | 311 | |
36469316 | 312 | au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, input_mode); |
968cf782 | 313 | |
65c88209 | 314 | setup_decoder_defaults(state, false); |
968cf782 DH |
315 | |
316 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
317 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
318 | } | |
319 | ||
36469316 MCC |
320 | static void au8522_setup_cvbs_tuner_mode(struct au8522_state *state, |
321 | u8 input_mode) | |
968cf782 DH |
322 | { |
323 | /* here we're going to try the pre-programmed route */ | |
324 | au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, | |
325 | AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS); | |
326 | ||
d2c194ce DH |
327 | /* It's not clear why we have to have the PGA in automatic mode while |
328 | enabling clamp control, but it's what Windows does */ | |
968cf782 DH |
329 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); |
330 | ||
331 | /* Enable clamping control */ | |
332 | au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e); | |
333 | ||
d2c194ce | 334 | /* Disable automatic PGA (since the CVBS is coming from the tuner) */ |
968cf782 DH |
335 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x10); |
336 | ||
337 | /* Set input mode to CVBS on channel 4 with SIF audio input enabled */ | |
36469316 | 338 | au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, input_mode); |
968cf782 | 339 | |
65c88209 | 340 | setup_decoder_defaults(state, false); |
968cf782 DH |
341 | |
342 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
343 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
344 | } | |
345 | ||
36469316 MCC |
346 | static void au8522_setup_svideo_mode(struct au8522_state *state, |
347 | u8 input_mode) | |
968cf782 DH |
348 | { |
349 | au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, | |
350 | AU8522_MODULE_CLOCK_CONTROL_REG0A3H_SVIDEO); | |
351 | ||
352 | /* Set input to Y on Channe1, C on Channel 3 */ | |
36469316 | 353 | au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, input_mode); |
968cf782 | 354 | |
d2c194ce DH |
355 | /* PGA in automatic mode */ |
356 | au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); | |
357 | ||
358 | /* Enable clamping control */ | |
968cf782 DH |
359 | au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00); |
360 | ||
65c88209 | 361 | setup_decoder_defaults(state, true); |
968cf782 DH |
362 | |
363 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
364 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); | |
365 | } | |
366 | ||
367 | /* ----------------------------------------------------------------------- */ | |
368 | ||
369 | static void disable_audio_input(struct au8522_state *state) | |
370 | { | |
968cf782 DH |
371 | au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00); |
372 | au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00); | |
373 | au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00); | |
968cf782 DH |
374 | |
375 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x04); | |
968cf782 DH |
376 | au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0x02); |
377 | ||
378 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
2428a2ed | 379 | AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO); |
968cf782 DH |
380 | } |
381 | ||
382 | /* 0=disable, 1=SIF */ | |
d289cdf0 | 383 | static void set_audio_input(struct au8522_state *state) |
968cf782 | 384 | { |
d289cdf0 | 385 | int aud_input = state->aud_input; |
968cf782 DH |
386 | int i; |
387 | ||
388 | /* Note that this function needs to be used in conjunction with setting | |
389 | the input routing via register 0x81 */ | |
390 | ||
391 | if (aud_input == AU8522_AUDIO_NONE) { | |
392 | disable_audio_input(state); | |
393 | return; | |
394 | } | |
395 | ||
396 | if (aud_input != AU8522_AUDIO_SIF) { | |
397 | /* The caller asked for a mode we don't currently support */ | |
62899a28 | 398 | printk(KERN_ERR "Unsupported audio mode requested! mode=%d\n", |
968cf782 DH |
399 | aud_input); |
400 | return; | |
401 | } | |
402 | ||
403 | /* Load the Audio Decoder Filter Coefficients */ | |
404 | for (i = 0; i < NUM_LPFILTER_COEF; i++) { | |
405 | au8522_writereg(state, lpfilter_coef[i].reg_name, | |
406 | lpfilter_coef[i].reg_val[0]); | |
407 | } | |
408 | ||
427de05c | 409 | /* Set the volume */ |
968cf782 DH |
410 | au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F); |
411 | au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F); | |
412 | au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0xff); | |
427de05c DH |
413 | |
414 | /* Not sure what this does */ | |
968cf782 | 415 | au8522_writereg(state, AU8522_REG0F9H, AU8522_REG0F9H_AUDIO); |
427de05c DH |
416 | |
417 | /* Setup the audio mode to stereo DBX */ | |
968cf782 DH |
418 | au8522_writereg(state, AU8522_AUDIO_MODE_REG0F1H, 0x82); |
419 | msleep(70); | |
427de05c DH |
420 | |
421 | /* Start the audio processing module */ | |
422 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x9d); | |
423 | ||
424 | /* Set the audio frequency to 48 KHz */ | |
968cf782 | 425 | au8522_writereg(state, AU8522_AUDIOFREQ_REG606H, 0x03); |
427de05c DH |
426 | |
427 | /* Set the I2S parameters (WS, LSB, mode, sample rate */ | |
968cf782 | 428 | au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0xc2); |
427de05c DH |
429 | |
430 | /* Enable the I2S output */ | |
431 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x09); | |
968cf782 DH |
432 | } |
433 | ||
434 | /* ----------------------------------------------------------------------- */ | |
435 | ||
5a4bdb4b | 436 | static int au8522_s_ctrl(struct v4l2_ctrl *ctrl) |
968cf782 | 437 | { |
5a4bdb4b HV |
438 | struct au8522_state *state = |
439 | container_of(ctrl->handler, struct au8522_state, hdl); | |
968cf782 DH |
440 | |
441 | switch (ctrl->id) { | |
442 | case V4L2_CID_BRIGHTNESS: | |
968cf782 | 443 | au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, |
5a4bdb4b | 444 | ctrl->val - 128); |
968cf782 DH |
445 | break; |
446 | case V4L2_CID_CONTRAST: | |
968cf782 | 447 | au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, |
5a4bdb4b | 448 | ctrl->val); |
968cf782 DH |
449 | break; |
450 | case V4L2_CID_SATURATION: | |
36a91879 | 451 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, |
5a4bdb4b | 452 | ctrl->val); |
36a91879 | 453 | au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, |
5a4bdb4b | 454 | ctrl->val); |
36a91879 | 455 | break; |
968cf782 | 456 | case V4L2_CID_HUE: |
36a91879 | 457 | au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, |
5a4bdb4b | 458 | ctrl->val >> 8); |
36a91879 | 459 | au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, |
5a4bdb4b | 460 | ctrl->val & 0xFF); |
36a91879 | 461 | break; |
968cf782 DH |
462 | default: |
463 | return -EINVAL; | |
464 | } | |
465 | ||
466 | return 0; | |
467 | } | |
468 | ||
469 | /* ----------------------------------------------------------------------- */ | |
470 | ||
968cf782 DH |
471 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
472 | static int au8522_g_register(struct v4l2_subdev *sd, | |
473 | struct v4l2_dbg_register *reg) | |
474 | { | |
968cf782 DH |
475 | struct au8522_state *state = to_state(sd); |
476 | ||
968cf782 DH |
477 | reg->val = au8522_readreg(state, reg->reg & 0xffff); |
478 | return 0; | |
479 | } | |
480 | ||
481 | static int au8522_s_register(struct v4l2_subdev *sd, | |
977ba3b1 | 482 | const struct v4l2_dbg_register *reg) |
968cf782 | 483 | { |
968cf782 DH |
484 | struct au8522_state *state = to_state(sd); |
485 | ||
968cf782 DH |
486 | au8522_writereg(state, reg->reg, reg->val & 0xff); |
487 | return 0; | |
488 | } | |
489 | #endif | |
490 | ||
36469316 | 491 | static void au8522_video_set(struct au8522_state *state) |
36469316 MCC |
492 | { |
493 | u8 input_mode; | |
494 | ||
38fe3510 | 495 | au8522_writereg(state, 0xa4, 1 << 5); |
36469316 MCC |
496 | |
497 | switch (state->vid_input) { | |
498 | case AU8522_COMPOSITE_CH1: | |
499 | input_mode = AU8522_INPUT_CONTROL_REG081H_CVBS_CH1; | |
500 | au8522_setup_cvbs_mode(state, input_mode); | |
501 | break; | |
502 | case AU8522_COMPOSITE_CH2: | |
503 | input_mode = AU8522_INPUT_CONTROL_REG081H_CVBS_CH2; | |
504 | au8522_setup_cvbs_mode(state, input_mode); | |
505 | break; | |
506 | case AU8522_COMPOSITE_CH3: | |
507 | input_mode = AU8522_INPUT_CONTROL_REG081H_CVBS_CH3; | |
508 | au8522_setup_cvbs_mode(state, input_mode); | |
509 | break; | |
510 | case AU8522_COMPOSITE_CH4: | |
511 | input_mode = AU8522_INPUT_CONTROL_REG081H_CVBS_CH4; | |
512 | au8522_setup_cvbs_mode(state, input_mode); | |
513 | break; | |
514 | case AU8522_SVIDEO_CH13: | |
515 | input_mode = AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13; | |
516 | au8522_setup_svideo_mode(state, input_mode); | |
517 | break; | |
518 | case AU8522_SVIDEO_CH24: | |
519 | input_mode = AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24; | |
520 | au8522_setup_svideo_mode(state, input_mode); | |
521 | break; | |
522 | default: | |
523 | case AU8522_COMPOSITE_CH4_SIF: | |
524 | input_mode = AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF; | |
525 | au8522_setup_cvbs_tuner_mode(state, input_mode); | |
526 | break; | |
527 | } | |
528 | } | |
529 | ||
38fe3510 MCC |
530 | static int au8522_s_stream(struct v4l2_subdev *sd, int enable) |
531 | { | |
532 | struct au8522_state *state = to_state(sd); | |
533 | ||
534 | if (enable) { | |
38fe3510 MCC |
535 | /* |
536 | * Clear out any state associated with the digital side of the | |
537 | * chip, so that when it gets powered back up it won't think | |
538 | * that it is already tuned | |
539 | */ | |
540 | state->current_frequency = 0; | |
541 | ||
542 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
543 | 0x01); | |
c9f5ccc2 | 544 | msleep(10); |
38fe3510 MCC |
545 | |
546 | au8522_video_set(state); | |
d289cdf0 MCC |
547 | set_audio_input(state); |
548 | ||
549 | state->operational_mode = AU8522_ANALOG_MODE; | |
38fe3510 MCC |
550 | } else { |
551 | /* This does not completely power down the device | |
552 | (it only reduces it from around 140ma to 80ma) */ | |
553 | au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, | |
554 | 1 << 5); | |
555 | state->operational_mode = AU8522_SUSPEND_MODE; | |
556 | } | |
557 | return 0; | |
558 | } | |
559 | ||
968cf782 | 560 | static int au8522_s_video_routing(struct v4l2_subdev *sd, |
5325b427 | 561 | u32 input, u32 output, u32 config) |
968cf782 DH |
562 | { |
563 | struct au8522_state *state = to_state(sd); | |
564 | ||
36469316 MCC |
565 | switch(input) { |
566 | case AU8522_COMPOSITE_CH1: | |
567 | case AU8522_SVIDEO_CH13: | |
568 | case AU8522_COMPOSITE_CH4_SIF: | |
569 | state->vid_input = input; | |
570 | break; | |
571 | default: | |
62899a28 | 572 | printk(KERN_ERR "au8522 mode not currently supported\n"); |
968cf782 DH |
573 | return -EINVAL; |
574 | } | |
38fe3510 MCC |
575 | |
576 | if (state->operational_mode == AU8522_ANALOG_MODE) | |
577 | au8522_video_set(state); | |
578 | ||
968cf782 DH |
579 | return 0; |
580 | } | |
581 | ||
f2fd7ce6 MCC |
582 | static int au8522_s_std(struct v4l2_subdev *sd, v4l2_std_id std) |
583 | { | |
584 | struct au8522_state *state = to_state(sd); | |
585 | ||
586 | if ((std & (V4L2_STD_PAL_M | V4L2_STD_NTSC_M)) == 0) | |
587 | return -EINVAL; | |
588 | ||
589 | state->std = std; | |
590 | ||
591 | if (state->operational_mode == AU8522_ANALOG_MODE) | |
592 | au8522_video_set(state); | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
968cf782 | 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); | |
d289cdf0 MCC |
601 | |
602 | state->aud_input = input; | |
603 | ||
604 | if (state->operational_mode == AU8522_ANALOG_MODE) | |
605 | set_audio_input(state); | |
606 | ||
968cf782 DH |
607 | return 0; |
608 | } | |
609 | ||
610 | static int au8522_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | |
611 | { | |
612 | int val = 0; | |
613 | struct au8522_state *state = to_state(sd); | |
614 | u8 lock_status; | |
b01052ab | 615 | u8 pll_status; |
968cf782 DH |
616 | |
617 | /* Interrogate the decoder to see if we are getting a real signal */ | |
618 | lock_status = au8522_readreg(state, 0x00); | |
b01052ab DH |
619 | pll_status = au8522_readreg(state, 0x7e); |
620 | if ((lock_status == 0xa2) && (pll_status & 0x10)) | |
d749fb66 | 621 | vt->signal = 0xffff; |
968cf782 DH |
622 | else |
623 | vt->signal = 0x00; | |
624 | ||
625 | vt->capability |= | |
626 | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | | |
627 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; | |
628 | ||
629 | val = V4L2_TUNER_SUB_MONO; | |
630 | vt->rxsubchans = val; | |
631 | vt->audmode = V4L2_TUNER_MODE_STEREO; | |
632 | return 0; | |
633 | } | |
634 | ||
968cf782 DH |
635 | /* ----------------------------------------------------------------------- */ |
636 | ||
637 | static const struct v4l2_subdev_core_ops au8522_core_ops = { | |
5a4bdb4b | 638 | .log_status = v4l2_ctrl_subdev_log_status, |
968cf782 DH |
639 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
640 | .g_register = au8522_g_register, | |
641 | .s_register = au8522_s_register, | |
642 | #endif | |
643 | }; | |
644 | ||
645 | static const struct v4l2_subdev_tuner_ops au8522_tuner_ops = { | |
646 | .g_tuner = au8522_g_tuner, | |
647 | }; | |
648 | ||
649 | static const struct v4l2_subdev_audio_ops au8522_audio_ops = { | |
650 | .s_routing = au8522_s_audio_routing, | |
651 | }; | |
652 | ||
653 | static const struct v4l2_subdev_video_ops au8522_video_ops = { | |
654 | .s_routing = au8522_s_video_routing, | |
968cf782 | 655 | .s_stream = au8522_s_stream, |
f2fd7ce6 | 656 | .s_std = au8522_s_std, |
968cf782 DH |
657 | }; |
658 | ||
659 | static const struct v4l2_subdev_ops au8522_ops = { | |
660 | .core = &au8522_core_ops, | |
661 | .tuner = &au8522_tuner_ops, | |
662 | .audio = &au8522_audio_ops, | |
663 | .video = &au8522_video_ops, | |
664 | }; | |
665 | ||
5a4bdb4b HV |
666 | static const struct v4l2_ctrl_ops au8522_ctrl_ops = { |
667 | .s_ctrl = au8522_s_ctrl, | |
668 | }; | |
669 | ||
968cf782 DH |
670 | /* ----------------------------------------------------------------------- */ |
671 | ||
672 | static int au8522_probe(struct i2c_client *client, | |
673 | const struct i2c_device_id *did) | |
674 | { | |
675 | struct au8522_state *state; | |
5a4bdb4b | 676 | struct v4l2_ctrl_handler *hdl; |
968cf782 DH |
677 | struct v4l2_subdev *sd; |
678 | int instance; | |
bed69196 RLLC |
679 | #ifdef CONFIG_MEDIA_CONTROLLER |
680 | int ret; | |
681 | #endif | |
968cf782 DH |
682 | |
683 | /* Check if the adapter supports the needed features */ | |
684 | if (!i2c_check_functionality(client->adapter, | |
685 | I2C_FUNC_SMBUS_BYTE_DATA)) { | |
686 | return -EIO; | |
687 | } | |
688 | ||
689 | /* allocate memory for the internal state */ | |
690 | instance = au8522_get_state(&state, client->adapter, client->addr); | |
691 | switch (instance) { | |
692 | case 0: | |
62899a28 | 693 | printk(KERN_ERR "au8522_decoder allocation failed\n"); |
968cf782 DH |
694 | return -EIO; |
695 | case 1: | |
696 | /* new demod instance */ | |
62899a28 | 697 | printk(KERN_INFO "au8522_decoder creating new instance...\n"); |
968cf782 DH |
698 | break; |
699 | default: | |
700 | /* existing demod instance */ | |
62899a28 | 701 | printk(KERN_INFO "au8522_decoder attach existing instance.\n"); |
968cf782 DH |
702 | break; |
703 | } | |
704 | ||
aa37763f | 705 | state->config.demod_address = 0x8e >> 1; |
968cf782 DH |
706 | state->i2c = client->adapter; |
707 | ||
708 | sd = &state->sd; | |
709 | v4l2_i2c_subdev_init(sd, client, &au8522_ops); | |
bed69196 RLLC |
710 | #if defined(CONFIG_MEDIA_CONTROLLER) |
711 | ||
44fd653b MCC |
712 | state->pads[AU8522_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; |
713 | state->pads[AU8522_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; | |
714 | state->pads[AU8522_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; | |
715 | state->pads[AU8522_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; | |
716 | state->pads[AU8522_PAD_AUDIO_OUT].flags = MEDIA_PAD_FL_SOURCE; | |
717 | state->pads[AU8522_PAD_AUDIO_OUT].sig_type = PAD_SIGNAL_AUDIO; | |
4ca72efa | 718 | sd->entity.function = MEDIA_ENT_F_ATV_DECODER; |
bed69196 | 719 | |
ab22e77c | 720 | ret = media_entity_pads_init(&sd->entity, ARRAY_SIZE(state->pads), |
18095107 | 721 | state->pads); |
bed69196 RLLC |
722 | if (ret < 0) { |
723 | v4l_info(client, "failed to initialize media entity!\n"); | |
724 | return ret; | |
725 | } | |
726 | #endif | |
968cf782 | 727 | |
5a4bdb4b HV |
728 | hdl = &state->hdl; |
729 | v4l2_ctrl_handler_init(hdl, 4); | |
730 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
731 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 109); | |
732 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
733 | V4L2_CID_CONTRAST, 0, 255, 1, | |
734 | AU8522_TVDEC_CONTRAST_REG00BH_CVBS); | |
735 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
736 | V4L2_CID_SATURATION, 0, 255, 1, 128); | |
737 | v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, | |
738 | V4L2_CID_HUE, -32768, 32767, 1, 0); | |
739 | sd->ctrl_handler = hdl; | |
740 | if (hdl->error) { | |
741 | int err = hdl->error; | |
742 | ||
743 | v4l2_ctrl_handler_free(hdl); | |
aa37763f | 744 | au8522_release_state(state); |
5a4bdb4b HV |
745 | return err; |
746 | } | |
747 | ||
968cf782 | 748 | state->c = client; |
f2fd7ce6 | 749 | state->std = V4L2_STD_NTSC_M; |
968cf782 DH |
750 | state->vid_input = AU8522_COMPOSITE_CH1; |
751 | state->aud_input = AU8522_AUDIO_NONE; | |
752 | state->id = 8522; | |
753 | state->rev = 0; | |
754 | ||
755 | /* Jam open the i2c gate to the tuner */ | |
756 | au8522_writereg(state, 0x106, 1); | |
757 | ||
758 | return 0; | |
759 | } | |
760 | ||
761 | static int au8522_remove(struct i2c_client *client) | |
762 | { | |
763 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
764 | v4l2_device_unregister_subdev(sd); | |
5a4bdb4b | 765 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
968cf782 DH |
766 | au8522_release_state(to_state(sd)); |
767 | return 0; | |
768 | } | |
769 | ||
770 | static const struct i2c_device_id au8522_id[] = { | |
771 | {"au8522", 0}, | |
772 | {} | |
773 | }; | |
774 | ||
775 | MODULE_DEVICE_TABLE(i2c, au8522_id); | |
776 | ||
978cff6b HV |
777 | static struct i2c_driver au8522_driver = { |
778 | .driver = { | |
978cff6b HV |
779 | .name = "au8522", |
780 | }, | |
781 | .probe = au8522_probe, | |
782 | .remove = au8522_remove, | |
783 | .id_table = au8522_id, | |
968cf782 | 784 | }; |
978cff6b | 785 | |
c6e8d86f | 786 | module_i2c_driver(au8522_driver); |