2 * Auvitek AU8522 QAM/8VSB demodulator driver and video decoder
4 * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org>
5 * Copyright (C) 2005-2008 Auvitek International, Ltd.
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.
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.
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
25 * VBI support is not yet working
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)
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>
38 #include <media/v4l2-chip-ident.h>
39 #include <media/v4l2-device.h>
41 #include "au8522_priv.h"
43 MODULE_AUTHOR("Devin Heitmueller");
44 MODULE_LICENSE("GPL");
46 static int au8522_analog_debug;
49 module_param_named(analog_debug, au8522_analog_debug, int, 0644);
51 MODULE_PARM_DESC(analog_debug,
52 "Analog debugging messages [0=Off (default) 1=On]");
54 struct au8522_register_config {
60 /* Video Decoder Filter Coefficients
61 The values are as follows from left to right
62 0="ATV RF" 1="ATV RF13" 2="CVBS" 3="S-Video" 4="PAL" 5=CVBS13" 6="SVideo13"
64 static const struct au8522_register_config filter_coef[] = {
65 {AU8522_FILTER_COEF_R410, {0x25, 0x00, 0x25, 0x25, 0x00, 0x00, 0x00} },
66 {AU8522_FILTER_COEF_R411, {0x20, 0x00, 0x20, 0x20, 0x00, 0x00, 0x00} },
67 {AU8522_FILTER_COEF_R412, {0x03, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00} },
68 {AU8522_FILTER_COEF_R413, {0xe6, 0x00, 0xe6, 0xe6, 0x00, 0x00, 0x00} },
69 {AU8522_FILTER_COEF_R414, {0x40, 0x00, 0x40, 0x40, 0x00, 0x00, 0x00} },
70 {AU8522_FILTER_COEF_R415, {0x1b, 0x00, 0x1b, 0x1b, 0x00, 0x00, 0x00} },
71 {AU8522_FILTER_COEF_R416, {0xc0, 0x00, 0xc0, 0x04, 0x00, 0x00, 0x00} },
72 {AU8522_FILTER_COEF_R417, {0x04, 0x00, 0x04, 0x04, 0x00, 0x00, 0x00} },
73 {AU8522_FILTER_COEF_R418, {0x8c, 0x00, 0x8c, 0x8c, 0x00, 0x00, 0x00} },
74 {AU8522_FILTER_COEF_R419, {0xa0, 0x40, 0xa0, 0xa0, 0x40, 0x40, 0x40} },
75 {AU8522_FILTER_COEF_R41A, {0x21, 0x09, 0x21, 0x21, 0x09, 0x09, 0x09} },
76 {AU8522_FILTER_COEF_R41B, {0x6c, 0x38, 0x6c, 0x6c, 0x38, 0x38, 0x38} },
77 {AU8522_FILTER_COEF_R41C, {0x03, 0xff, 0x03, 0x03, 0xff, 0xff, 0xff} },
78 {AU8522_FILTER_COEF_R41D, {0xbf, 0xc7, 0xbf, 0xbf, 0xc7, 0xc7, 0xc7} },
79 {AU8522_FILTER_COEF_R41E, {0xa0, 0xdf, 0xa0, 0xa0, 0xdf, 0xdf, 0xdf} },
80 {AU8522_FILTER_COEF_R41F, {0x10, 0x06, 0x10, 0x10, 0x06, 0x06, 0x06} },
81 {AU8522_FILTER_COEF_R420, {0xae, 0x30, 0xae, 0xae, 0x30, 0x30, 0x30} },
82 {AU8522_FILTER_COEF_R421, {0xc4, 0x01, 0xc4, 0xc4, 0x01, 0x01, 0x01} },
83 {AU8522_FILTER_COEF_R422, {0x54, 0xdd, 0x54, 0x54, 0xdd, 0xdd, 0xdd} },
84 {AU8522_FILTER_COEF_R423, {0xd0, 0xaf, 0xd0, 0xd0, 0xaf, 0xaf, 0xaf} },
85 {AU8522_FILTER_COEF_R424, {0x1c, 0xf7, 0x1c, 0x1c, 0xf7, 0xf7, 0xf7} },
86 {AU8522_FILTER_COEF_R425, {0x76, 0xdb, 0x76, 0x76, 0xdb, 0xdb, 0xdb} },
87 {AU8522_FILTER_COEF_R426, {0x61, 0xc0, 0x61, 0x61, 0xc0, 0xc0, 0xc0} },
88 {AU8522_FILTER_COEF_R427, {0xd1, 0x2f, 0xd1, 0xd1, 0x2f, 0x2f, 0x2f} },
89 {AU8522_FILTER_COEF_R428, {0x84, 0xd8, 0x84, 0x84, 0xd8, 0xd8, 0xd8} },
90 {AU8522_FILTER_COEF_R429, {0x06, 0xfb, 0x06, 0x06, 0xfb, 0xfb, 0xfb} },
91 {AU8522_FILTER_COEF_R42A, {0x21, 0xd5, 0x21, 0x21, 0xd5, 0xd5, 0xd5} },
92 {AU8522_FILTER_COEF_R42B, {0x0a, 0x3e, 0x0a, 0x0a, 0x3e, 0x3e, 0x3e} },
93 {AU8522_FILTER_COEF_R42C, {0xe6, 0x15, 0xe6, 0xe6, 0x15, 0x15, 0x15} },
94 {AU8522_FILTER_COEF_R42D, {0x01, 0x34, 0x01, 0x01, 0x34, 0x34, 0x34} },
97 #define NUM_FILTER_COEF (sizeof(filter_coef)\
98 / sizeof(struct au8522_register_config))
101 /* Registers 0x060b through 0x0652 are the LP Filter coefficients
102 The values are as follows from left to right
103 0="SIF" 1="ATVRF/ATVRF13"
104 Note: the "ATVRF/ATVRF13" mode has never been tested
106 static const struct au8522_register_config lpfilter_coef[] = {
107 {0x060b, {0x21, 0x0b} },
108 {0x060c, {0xad, 0xad} },
109 {0x060d, {0x70, 0xf0} },
110 {0x060e, {0xea, 0xe9} },
111 {0x060f, {0xdd, 0xdd} },
112 {0x0610, {0x08, 0x64} },
113 {0x0611, {0x60, 0x60} },
114 {0x0612, {0xf8, 0xb2} },
115 {0x0613, {0x01, 0x02} },
116 {0x0614, {0xe4, 0xb4} },
117 {0x0615, {0x19, 0x02} },
118 {0x0616, {0xae, 0x2e} },
119 {0x0617, {0xee, 0xc5} },
120 {0x0618, {0x56, 0x56} },
121 {0x0619, {0x30, 0x58} },
122 {0x061a, {0xf9, 0xf8} },
123 {0x061b, {0x24, 0x64} },
124 {0x061c, {0x07, 0x07} },
125 {0x061d, {0x30, 0x30} },
126 {0x061e, {0xa9, 0xed} },
127 {0x061f, {0x09, 0x0b} },
128 {0x0620, {0x42, 0xc2} },
129 {0x0621, {0x1d, 0x2a} },
130 {0x0622, {0xd6, 0x56} },
131 {0x0623, {0x95, 0x8b} },
132 {0x0624, {0x2b, 0x2b} },
133 {0x0625, {0x30, 0x24} },
134 {0x0626, {0x3e, 0x3e} },
135 {0x0627, {0x62, 0xe2} },
136 {0x0628, {0xe9, 0xf5} },
137 {0x0629, {0x99, 0x19} },
138 {0x062a, {0xd4, 0x11} },
139 {0x062b, {0x03, 0x04} },
140 {0x062c, {0xb5, 0x85} },
141 {0x062d, {0x1e, 0x20} },
142 {0x062e, {0x2a, 0xea} },
143 {0x062f, {0xd7, 0xd2} },
144 {0x0630, {0x15, 0x15} },
145 {0x0631, {0xa3, 0xa9} },
146 {0x0632, {0x1f, 0x1f} },
147 {0x0633, {0xf9, 0xd1} },
148 {0x0634, {0xc0, 0xc3} },
149 {0x0635, {0x4d, 0x8d} },
150 {0x0636, {0x21, 0x31} },
151 {0x0637, {0x83, 0x83} },
152 {0x0638, {0x08, 0x8c} },
153 {0x0639, {0x19, 0x19} },
154 {0x063a, {0x45, 0xa5} },
155 {0x063b, {0xef, 0xec} },
156 {0x063c, {0x8a, 0x8a} },
157 {0x063d, {0xf4, 0xf6} },
158 {0x063e, {0x8f, 0x8f} },
159 {0x063f, {0x44, 0x0c} },
160 {0x0640, {0xef, 0xf0} },
161 {0x0641, {0x66, 0x66} },
162 {0x0642, {0xcc, 0xd2} },
163 {0x0643, {0x41, 0x41} },
164 {0x0644, {0x63, 0x93} },
165 {0x0645, {0x8e, 0x8e} },
166 {0x0646, {0xa2, 0x42} },
167 {0x0647, {0x7b, 0x7b} },
168 {0x0648, {0x04, 0x04} },
169 {0x0649, {0x00, 0x00} },
170 {0x064a, {0x40, 0x40} },
171 {0x064b, {0x8c, 0x98} },
172 {0x064c, {0x00, 0x00} },
173 {0x064d, {0x63, 0xc3} },
174 {0x064e, {0x04, 0x04} },
175 {0x064f, {0x20, 0x20} },
176 {0x0650, {0x00, 0x00} },
177 {0x0651, {0x40, 0x40} },
178 {0x0652, {0x01, 0x01} },
180 #define NUM_LPFILTER_COEF (sizeof(lpfilter_coef)\
181 / sizeof(struct au8522_register_config))
183 static inline struct au8522_state *to_state(struct v4l2_subdev *sd)
185 return container_of(sd, struct au8522_state, sd);
188 static void setup_vbi(struct au8522_state *state, int aud_input)
192 /* These are set to zero regardless of what mode we're in */
193 au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_H_REG017H, 0x00);
194 au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_L_REG018H, 0x00);
195 au8522_writereg(state, AU8522_TVDEC_VBI_USER_TOTAL_BITS_REG019H, 0x00);
196 au8522_writereg(state, AU8522_TVDEC_VBI_USER_TUNIT_H_REG01AH, 0x00);
197 au8522_writereg(state, AU8522_TVDEC_VBI_USER_TUNIT_L_REG01BH, 0x00);
198 au8522_writereg(state, AU8522_TVDEC_VBI_USER_THRESH1_REG01CH, 0x00);
199 au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT2_REG01EH, 0x00);
200 au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT1_REG01FH, 0x00);
201 au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT0_REG020H, 0x00);
202 au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK2_REG021H,
204 au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK1_REG022H,
206 au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK0_REG023H,
209 /* Setup the VBI registers */
210 for (i = 0x30; i < 0x60; i++)
211 au8522_writereg(state, i, 0x40);
213 /* For some reason, every register is 0x40 except register 0x44
214 (confirmed via the HVR-950q USB capture) */
215 au8522_writereg(state, 0x44, 0x60);
217 /* Enable VBI (we always do this regardless of whether the user is
218 viewing closed caption info) */
219 au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_H_REG017H,
220 AU8522_TVDEC_VBI_CTRL_H_REG017H_CCON);
224 static void setup_decoder_defaults(struct au8522_state *state, u8 input_mode)
227 int filter_coef_type;
229 /* Provide reasonable defaults for picture tuning values */
230 au8522_writereg(state, AU8522_TVDEC_SHARPNESSREG009H, 0x07);
231 au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, 0xed);
232 state->brightness = 0xed - 128;
233 au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, 0x79);
234 state->contrast = 0x79;
235 au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, 0x80);
236 au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, 0x80);
237 state->saturation = 0x80;
238 au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, 0x00);
239 au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, 0x00);
242 /* Other decoder registers */
243 au8522_writereg(state, AU8522_TVDEC_INT_MASK_REG010H, 0x00);
245 if (input_mode == 0x23) {
246 /* S-Video input mapping */
247 au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x04);
249 /* All other modes (CVBS/ATVRF etc.) */
250 au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x00);
253 au8522_writereg(state, AU8522_TVDEC_PGA_REG012H,
254 AU8522_TVDEC_PGA_REG012H_CVBS);
255 au8522_writereg(state, AU8522_TVDEC_COMB_MODE_REG015H,
256 AU8522_TVDEC_COMB_MODE_REG015H_CVBS);
257 au8522_writereg(state, AU8522_TVDED_DBG_MODE_REG060H,
258 AU8522_TVDED_DBG_MODE_REG060H_CVBS);
259 au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H,
260 AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 |
261 AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 |
262 AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN);
263 au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H,
264 AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC);
265 au8522_writereg(state, AU8522_TVDEC_VCR_DET_LLIM_REG063H,
266 AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS);
267 au8522_writereg(state, AU8522_TVDEC_VCR_DET_HLIM_REG064H,
268 AU8522_TVDEC_VCR_DET_HLIM_REG064H_CVBS);
269 au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR1_REG065H,
270 AU8522_TVDEC_COMB_VDIF_THR1_REG065H_CVBS);
271 au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR2_REG066H,
272 AU8522_TVDEC_COMB_VDIF_THR2_REG066H_CVBS);
273 au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR3_REG067H,
274 AU8522_TVDEC_COMB_VDIF_THR3_REG067H_CVBS);
275 au8522_writereg(state, AU8522_TVDEC_COMB_NOTCH_THR_REG068H,
276 AU8522_TVDEC_COMB_NOTCH_THR_REG068H_CVBS);
277 au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR1_REG069H,
278 AU8522_TVDEC_COMB_HDIF_THR1_REG069H_CVBS);
279 au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR2_REG06AH,
280 AU8522_TVDEC_COMB_HDIF_THR2_REG06AH_CVBS);
281 au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR3_REG06BH,
282 AU8522_TVDEC_COMB_HDIF_THR3_REG06BH_CVBS);
283 if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 ||
284 input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) {
285 au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH,
286 AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_SVIDEO);
287 au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH,
288 AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_SVIDEO);
290 au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH,
291 AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS);
292 au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH,
293 AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS);
295 au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH,
296 AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH_CVBS);
297 au8522_writereg(state, AU8522_TVDEC_UV_SEP_THR_REG06FH,
298 AU8522_TVDEC_UV_SEP_THR_REG06FH_CVBS);
299 au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H,
300 AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H_CVBS);
301 au8522_writereg(state, AU8522_REG071H, AU8522_REG071H_CVBS);
302 au8522_writereg(state, AU8522_REG072H, AU8522_REG072H_CVBS);
303 au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H,
304 AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H_CVBS);
305 au8522_writereg(state, AU8522_REG074H, AU8522_REG074H_CVBS);
306 au8522_writereg(state, AU8522_REG075H, AU8522_REG075H_CVBS);
307 au8522_writereg(state, AU8522_TVDEC_DCAGC_CTRL_REG077H,
308 AU8522_TVDEC_DCAGC_CTRL_REG077H_CVBS);
309 au8522_writereg(state, AU8522_TVDEC_PIC_START_ADJ_REG078H,
310 AU8522_TVDEC_PIC_START_ADJ_REG078H_CVBS);
311 au8522_writereg(state, AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H,
312 AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H_CVBS);
313 au8522_writereg(state, AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH,
314 AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH_CVBS);
315 au8522_writereg(state, AU8522_TVDEC_INTRP_CTRL_REG07BH,
316 AU8522_TVDEC_INTRP_CTRL_REG07BH_CVBS);
317 au8522_writereg(state, AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H,
318 AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H_CVBS);
319 au8522_writereg(state, AU8522_TOREGAAGC_REG0E5H,
320 AU8522_TOREGAAGC_REG0E5H_CVBS);
321 au8522_writereg(state, AU8522_REG016H, AU8522_REG016H_CVBS);
325 if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 ||
326 input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) {
327 /* Despite what the table says, for the HVR-950q we still need
328 to be in CVBS mode for the S-Video input (reason unknown). */
329 /* filter_coef_type = 3; */
330 filter_coef_type = 5;
332 filter_coef_type = 5;
335 /* Load the Video Decoder Filter Coefficients */
336 for (i = 0; i < NUM_FILTER_COEF; i++) {
337 au8522_writereg(state, filter_coef[i].reg_name,
338 filter_coef[i].reg_val[filter_coef_type]);
341 /* It's not clear what these registers are for, but they are always
342 set to the same value regardless of what mode we're in */
343 au8522_writereg(state, AU8522_REG42EH, 0x87);
344 au8522_writereg(state, AU8522_REG42FH, 0xa2);
345 au8522_writereg(state, AU8522_REG430H, 0xbf);
346 au8522_writereg(state, AU8522_REG431H, 0xcb);
347 au8522_writereg(state, AU8522_REG432H, 0xa1);
348 au8522_writereg(state, AU8522_REG433H, 0x41);
349 au8522_writereg(state, AU8522_REG434H, 0x88);
350 au8522_writereg(state, AU8522_REG435H, 0xc2);
351 au8522_writereg(state, AU8522_REG436H, 0x3c);
354 static void au8522_setup_cvbs_mode(struct au8522_state *state)
356 /* here we're going to try the pre-programmed route */
357 au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H,
358 AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS);
360 /* PGA in automatic mode */
361 au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00);
363 /* Enable clamping control */
364 au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00);
366 au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H,
367 AU8522_INPUT_CONTROL_REG081H_CVBS_CH1);
369 setup_decoder_defaults(state, AU8522_INPUT_CONTROL_REG081H_CVBS_CH1);
371 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
372 AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
375 static void au8522_setup_cvbs_tuner_mode(struct au8522_state *state)
377 /* here we're going to try the pre-programmed route */
378 au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H,
379 AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS);
381 /* It's not clear why we have to have the PGA in automatic mode while
382 enabling clamp control, but it's what Windows does */
383 au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00);
385 /* Enable clamping control */
386 au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e);
388 /* Disable automatic PGA (since the CVBS is coming from the tuner) */
389 au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x10);
391 /* Set input mode to CVBS on channel 4 with SIF audio input enabled */
392 au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H,
393 AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF);
395 setup_decoder_defaults(state,
396 AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF);
398 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
399 AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
402 static void au8522_setup_svideo_mode(struct au8522_state *state)
404 au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H,
405 AU8522_MODULE_CLOCK_CONTROL_REG0A3H_SVIDEO);
407 /* Set input to Y on Channe1, C on Channel 3 */
408 au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H,
409 AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13);
411 /* PGA in automatic mode */
412 au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00);
414 /* Enable clamping control */
415 au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00);
417 setup_decoder_defaults(state,
418 AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13);
420 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
421 AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
424 /* ----------------------------------------------------------------------- */
426 static void disable_audio_input(struct au8522_state *state)
428 au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00);
429 au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00);
430 au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00);
432 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x04);
433 au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0x02);
435 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
436 AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO);
439 /* 0=disable, 1=SIF */
440 static void set_audio_input(struct au8522_state *state, int aud_input)
444 /* Note that this function needs to be used in conjunction with setting
445 the input routing via register 0x81 */
447 if (aud_input == AU8522_AUDIO_NONE) {
448 disable_audio_input(state);
452 if (aud_input != AU8522_AUDIO_SIF) {
453 /* The caller asked for a mode we don't currently support */
454 printk(KERN_ERR "Unsupported audio mode requested! mode=%d\n",
459 /* Load the Audio Decoder Filter Coefficients */
460 for (i = 0; i < NUM_LPFILTER_COEF; i++) {
461 au8522_writereg(state, lpfilter_coef[i].reg_name,
462 lpfilter_coef[i].reg_val[0]);
466 au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00);
467 au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00);
468 au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00);
469 au8522_writereg(state, AU8522_I2C_CONTROL_REG1_REG091H, 0x80);
470 au8522_writereg(state, AU8522_I2C_CONTROL_REG0_REG090H, 0x84);
472 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x00);
474 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x9d);
476 au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F);
477 au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F);
478 au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0xff);
480 au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F);
481 au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F);
482 au8522_writereg(state, AU8522_REG0F9H, AU8522_REG0F9H_AUDIO);
483 au8522_writereg(state, AU8522_AUDIO_MODE_REG0F1H, 0x82);
485 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x09);
486 au8522_writereg(state, AU8522_AUDIOFREQ_REG606H, 0x03);
487 au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0xc2);
490 /* ----------------------------------------------------------------------- */
492 static int au8522_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
494 struct au8522_state *state = to_state(sd);
497 case V4L2_CID_BRIGHTNESS:
498 state->brightness = ctrl->value;
499 au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH,
502 case V4L2_CID_CONTRAST:
503 state->contrast = ctrl->value;
504 au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH,
507 case V4L2_CID_SATURATION:
508 state->saturation = ctrl->value;
509 au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH,
511 au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH,
515 state->hue = ctrl->value;
516 au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH,
518 au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH,
521 case V4L2_CID_AUDIO_VOLUME:
522 case V4L2_CID_AUDIO_BASS:
523 case V4L2_CID_AUDIO_TREBLE:
524 case V4L2_CID_AUDIO_BALANCE:
525 case V4L2_CID_AUDIO_MUTE:
526 /* Not yet implemented */
534 static int au8522_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
536 struct au8522_state *state = to_state(sd);
538 /* Note that we are using values cached in the state structure instead
539 of reading the registers due to issues with i2c reads not working
540 properly/consistently yet on the HVR-950q */
543 case V4L2_CID_BRIGHTNESS:
544 ctrl->value = state->brightness;
546 case V4L2_CID_CONTRAST:
547 ctrl->value = state->contrast;
549 case V4L2_CID_SATURATION:
550 ctrl->value = state->saturation;
553 ctrl->value = state->hue;
555 case V4L2_CID_AUDIO_VOLUME:
556 case V4L2_CID_AUDIO_BASS:
557 case V4L2_CID_AUDIO_TREBLE:
558 case V4L2_CID_AUDIO_BALANCE:
559 case V4L2_CID_AUDIO_MUTE:
560 /* Not yet supported */
568 /* ----------------------------------------------------------------------- */
570 #ifdef CONFIG_VIDEO_ADV_DEBUG
571 static int au8522_g_register(struct v4l2_subdev *sd,
572 struct v4l2_dbg_register *reg)
574 struct i2c_client *client = v4l2_get_subdevdata(sd);
575 struct au8522_state *state = to_state(sd);
577 if (!v4l2_chip_match_i2c_client(client, ®->match))
579 if (!capable(CAP_SYS_ADMIN))
581 reg->val = au8522_readreg(state, reg->reg & 0xffff);
585 static int au8522_s_register(struct v4l2_subdev *sd,
586 struct v4l2_dbg_register *reg)
588 struct i2c_client *client = v4l2_get_subdevdata(sd);
589 struct au8522_state *state = to_state(sd);
591 if (!v4l2_chip_match_i2c_client(client, ®->match))
593 if (!capable(CAP_SYS_ADMIN))
595 au8522_writereg(state, reg->reg, reg->val & 0xff);
600 static int au8522_s_stream(struct v4l2_subdev *sd, int enable)
602 struct au8522_state *state = to_state(sd);
605 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
608 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
609 AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
611 /* This does not completely power down the device
612 (it only reduces it from around 140ma to 80ma) */
613 au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
619 static int au8522_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
622 case V4L2_CID_CONTRAST:
623 return v4l2_ctrl_query_fill(qc, 0, 255, 1,
624 AU8522_TVDEC_CONTRAST_REG00BH_CVBS);
625 case V4L2_CID_BRIGHTNESS:
626 return v4l2_ctrl_query_fill(qc, 0, 255, 1, 109);
627 case V4L2_CID_SATURATION:
628 return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
630 return v4l2_ctrl_query_fill(qc, -32768, 32768, 1, 0);
639 static int au8522_reset(struct v4l2_subdev *sd, u32 val)
641 struct au8522_state *state = to_state(sd);
643 state->operational_mode = AU8522_ANALOG_MODE;
645 /* Clear out any state associated with the digital side of the
646 chip, so that when it gets powered back up it won't think
647 that it is already tuned */
648 state->current_frequency = 0;
650 au8522_writereg(state, 0xa4, 1 << 5);
655 static int au8522_s_video_routing(struct v4l2_subdev *sd,
656 u32 input, u32 output, u32 config)
658 struct au8522_state *state = to_state(sd);
662 if (input == AU8522_COMPOSITE_CH1) {
663 au8522_setup_cvbs_mode(state);
664 } else if (input == AU8522_SVIDEO_CH13) {
665 au8522_setup_svideo_mode(state);
666 } else if (input == AU8522_COMPOSITE_CH4_SIF) {
667 au8522_setup_cvbs_tuner_mode(state);
669 printk(KERN_ERR "au8522 mode not currently supported\n");
675 static int au8522_s_audio_routing(struct v4l2_subdev *sd,
676 u32 input, u32 output, u32 config)
678 struct au8522_state *state = to_state(sd);
679 set_audio_input(state, input);
683 static int au8522_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
686 struct au8522_state *state = to_state(sd);
689 /* Interrogate the decoder to see if we are getting a real signal */
690 lock_status = au8522_readreg(state, 0x00);
691 if (lock_status == 0xa2)
697 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
698 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
700 val = V4L2_TUNER_SUB_MONO;
701 vt->rxsubchans = val;
702 vt->audmode = V4L2_TUNER_MODE_STEREO;
706 static int au8522_g_chip_ident(struct v4l2_subdev *sd,
707 struct v4l2_dbg_chip_ident *chip)
709 struct au8522_state *state = to_state(sd);
710 struct i2c_client *client = v4l2_get_subdevdata(sd);
712 return v4l2_chip_ident_i2c_client(client, chip, state->id, state->rev);
715 static int au8522_log_status(struct v4l2_subdev *sd)
717 /* FIXME: Add some status info here */
721 /* ----------------------------------------------------------------------- */
723 static const struct v4l2_subdev_core_ops au8522_core_ops = {
724 .log_status = au8522_log_status,
725 .g_chip_ident = au8522_g_chip_ident,
726 .g_ctrl = au8522_g_ctrl,
727 .s_ctrl = au8522_s_ctrl,
728 .queryctrl = au8522_queryctrl,
729 .reset = au8522_reset,
730 #ifdef CONFIG_VIDEO_ADV_DEBUG
731 .g_register = au8522_g_register,
732 .s_register = au8522_s_register,
736 static const struct v4l2_subdev_tuner_ops au8522_tuner_ops = {
737 .g_tuner = au8522_g_tuner,
740 static const struct v4l2_subdev_audio_ops au8522_audio_ops = {
741 .s_routing = au8522_s_audio_routing,
744 static const struct v4l2_subdev_video_ops au8522_video_ops = {
745 .s_routing = au8522_s_video_routing,
746 .s_stream = au8522_s_stream,
749 static const struct v4l2_subdev_ops au8522_ops = {
750 .core = &au8522_core_ops,
751 .tuner = &au8522_tuner_ops,
752 .audio = &au8522_audio_ops,
753 .video = &au8522_video_ops,
756 /* ----------------------------------------------------------------------- */
758 static int au8522_probe(struct i2c_client *client,
759 const struct i2c_device_id *did)
761 struct au8522_state *state;
762 struct v4l2_subdev *sd;
764 struct au8522_config *demod_config;
766 /* Check if the adapter supports the needed features */
767 if (!i2c_check_functionality(client->adapter,
768 I2C_FUNC_SMBUS_BYTE_DATA)) {
772 /* allocate memory for the internal state */
773 instance = au8522_get_state(&state, client->adapter, client->addr);
776 printk(KERN_ERR "au8522_decoder allocation failed\n");
779 /* new demod instance */
780 printk(KERN_INFO "au8522_decoder creating new instance...\n");
783 /* existing demod instance */
784 printk(KERN_INFO "au8522_decoder attach existing instance.\n");
788 demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL);
789 if (demod_config == NULL) {
794 demod_config->demod_address = 0x8e >> 1;
796 state->config = demod_config;
797 state->i2c = client->adapter;
800 v4l2_i2c_subdev_init(sd, client, &au8522_ops);
803 state->vid_input = AU8522_COMPOSITE_CH1;
804 state->aud_input = AU8522_AUDIO_NONE;
808 /* Jam open the i2c gate to the tuner */
809 au8522_writereg(state, 0x106, 1);
814 static int au8522_remove(struct i2c_client *client)
816 struct v4l2_subdev *sd = i2c_get_clientdata(client);
817 v4l2_device_unregister_subdev(sd);
818 au8522_release_state(to_state(sd));
822 static const struct i2c_device_id au8522_id[] = {
827 MODULE_DEVICE_TABLE(i2c, au8522_id);
829 static struct i2c_driver au8522_driver = {
831 .owner = THIS_MODULE,
834 .probe = au8522_probe,
835 .remove = au8522_remove,
836 .id_table = au8522_id,
839 module_i2c_driver(au8522_driver);