diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/staging/solo6x10/tw28.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'drivers/staging/solo6x10/tw28.c')
-rw-r--r-- | drivers/staging/solo6x10/tw28.c | 821 |
1 files changed, 821 insertions, 0 deletions
diff --git a/drivers/staging/solo6x10/tw28.c b/drivers/staging/solo6x10/tw28.c new file mode 100644 index 00000000000..db56b42c56c --- /dev/null +++ b/drivers/staging/solo6x10/tw28.c | |||
@@ -0,0 +1,821 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com | ||
3 | * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; either version 2 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/kernel.h> | ||
21 | #include "solo6x10.h" | ||
22 | #include "tw28.h" | ||
23 | |||
24 | /* XXX: Some of these values are masked into an 8-bit regs, and shifted | ||
25 | * around for other 8-bit regs. What are the magic bits in these values? */ | ||
26 | #define DEFAULT_HDELAY_NTSC (32 - 4) | ||
27 | #define DEFAULT_HACTIVE_NTSC (720 + 16) | ||
28 | #define DEFAULT_VDELAY_NTSC (7 - 2) | ||
29 | #define DEFAULT_VACTIVE_NTSC (240 + 4) | ||
30 | |||
31 | #define DEFAULT_HDELAY_PAL (32 + 4) | ||
32 | #define DEFAULT_HACTIVE_PAL (864-DEFAULT_HDELAY_PAL) | ||
33 | #define DEFAULT_VDELAY_PAL (6) | ||
34 | #define DEFAULT_VACTIVE_PAL (312-DEFAULT_VDELAY_PAL) | ||
35 | |||
36 | static u8 tbl_tw2864_template[] = { | ||
37 | 0x00, 0x00, 0x80, 0x10, 0x80, 0x80, 0x00, 0x02, /* 0x00 */ | ||
38 | 0x12, 0xf5, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
39 | 0x00, 0x00, 0x80, 0x10, 0x80, 0x80, 0x00, 0x02, /* 0x10 */ | ||
40 | 0x12, 0xf5, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
41 | 0x00, 0x00, 0x80, 0x10, 0x80, 0x80, 0x00, 0x02, /* 0x20 */ | ||
42 | 0x12, 0xf5, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
43 | 0x00, 0x00, 0x80, 0x10, 0x80, 0x80, 0x00, 0x02, /* 0x30 */ | ||
44 | 0x12, 0xf5, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
45 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40 */ | ||
46 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
47 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */ | ||
48 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
49 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */ | ||
50 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
51 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70 */ | ||
52 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA3, 0x00, | ||
53 | 0x00, 0x02, 0x00, 0xcc, 0x00, 0x80, 0x44, 0x50, /* 0x80 */ | ||
54 | 0x22, 0x01, 0xd8, 0xbc, 0xb8, 0x44, 0x38, 0x00, | ||
55 | 0x00, 0x78, 0x72, 0x3e, 0x14, 0xa5, 0xe4, 0x05, /* 0x90 */ | ||
56 | 0x00, 0x28, 0x44, 0x44, 0xa0, 0x88, 0x5a, 0x01, | ||
57 | 0x08, 0x08, 0x08, 0x08, 0x1a, 0x1a, 0x1a, 0x1a, /* 0xa0 */ | ||
58 | 0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x44, | ||
59 | 0x44, 0x0a, 0x00, 0xff, 0xef, 0xef, 0xef, 0xef, /* 0xb0 */ | ||
60 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
61 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */ | ||
62 | 0x00, 0x00, 0x55, 0x00, 0xb1, 0xe4, 0x40, 0x00, | ||
63 | 0x77, 0x77, 0x01, 0x13, 0x57, 0x9b, 0xdf, 0x20, /* 0xd0 */ | ||
64 | 0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81, | ||
65 | 0x10, 0xe0, 0xbb, 0xbb, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */ | ||
66 | 0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00, | ||
67 | 0x83, 0xb5, 0x09, 0x78, 0x85, 0x00, 0x01, 0x20, /* 0xf0 */ | ||
68 | 0x64, 0x11, 0x40, 0xaf, 0xff, 0x00, 0x00, 0x00, | ||
69 | }; | ||
70 | |||
71 | static u8 tbl_tw2865_ntsc_template[] = { | ||
72 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x00 */ | ||
73 | 0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
74 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x10 */ | ||
75 | 0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
76 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x20 */ | ||
77 | 0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
78 | 0x00, 0xf0, 0x70, 0x48, 0x80, 0x80, 0x00, 0x02, /* 0x30 */ | ||
79 | 0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f, | ||
80 | 0x00, 0x00, 0x90, 0x68, 0x00, 0x38, 0x80, 0x80, /* 0x40 */ | ||
81 | 0x80, 0x80, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
82 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */ | ||
83 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
84 | 0x45, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */ | ||
85 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x43, | ||
86 | 0x08, 0x00, 0x00, 0x01, 0xf1, 0x03, 0xEF, 0x03, /* 0x70 */ | ||
87 | 0xE9, 0x03, 0xD9, 0x15, 0x15, 0xE4, 0xA3, 0x80, | ||
88 | 0x00, 0x02, 0x00, 0xCC, 0x00, 0x80, 0x44, 0x50, /* 0x80 */ | ||
89 | 0x22, 0x01, 0xD8, 0xBC, 0xB8, 0x44, 0x38, 0x00, | ||
90 | 0x00, 0x78, 0x44, 0x3D, 0x14, 0xA5, 0xE0, 0x05, /* 0x90 */ | ||
91 | 0x00, 0x28, 0x44, 0x44, 0xA0, 0x90, 0x52, 0x13, | ||
92 | 0x08, 0x08, 0x08, 0x08, 0x1A, 0x1A, 0x1B, 0x1A, /* 0xa0 */ | ||
93 | 0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0, 0x44, | ||
94 | 0x44, 0x4A, 0x00, 0xFF, 0xEF, 0xEF, 0xEF, 0xEF, /* 0xb0 */ | ||
95 | 0xFF, 0xE7, 0xE9, 0xE9, 0xEB, 0xFF, 0xD6, 0xD8, | ||
96 | 0xD8, 0xD7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */ | ||
97 | 0x00, 0x00, 0x55, 0x00, 0xE4, 0x39, 0x00, 0x80, | ||
98 | 0x77, 0x77, 0x03, 0x20, 0x57, 0x9b, 0xdf, 0x31, /* 0xd0 */ | ||
99 | 0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81, | ||
100 | 0x10, 0xC0, 0xAA, 0xAA, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */ | ||
101 | 0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00, | ||
102 | 0x83, 0xB5, 0x09, 0x78, 0x85, 0x00, 0x01, 0x20, /* 0xf0 */ | ||
103 | 0x64, 0x51, 0x40, 0xaf, 0xFF, 0xF0, 0x00, 0xC0, | ||
104 | }; | ||
105 | |||
106 | static u8 tbl_tw2865_pal_template[] = { | ||
107 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x00 */ | ||
108 | 0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f, | ||
109 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x10 */ | ||
110 | 0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f, | ||
111 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x20 */ | ||
112 | 0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f, | ||
113 | 0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x30 */ | ||
114 | 0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f, | ||
115 | 0x00, 0x94, 0x90, 0x48, 0x00, 0x38, 0x7F, 0x80, /* 0x40 */ | ||
116 | 0x80, 0x80, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
117 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */ | ||
118 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
119 | 0x45, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */ | ||
120 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x43, | ||
121 | 0x08, 0x00, 0x00, 0x01, 0xf1, 0x03, 0xEF, 0x03, /* 0x70 */ | ||
122 | 0xEA, 0x03, 0xD9, 0x15, 0x15, 0xE4, 0xA3, 0x80, | ||
123 | 0x00, 0x02, 0x00, 0xCC, 0x00, 0x80, 0x44, 0x50, /* 0x80 */ | ||
124 | 0x22, 0x01, 0xD8, 0xBC, 0xB8, 0x44, 0x38, 0x00, | ||
125 | 0x00, 0x78, 0x44, 0x3D, 0x14, 0xA5, 0xE0, 0x05, /* 0x90 */ | ||
126 | 0x00, 0x28, 0x44, 0x44, 0xA0, 0x90, 0x52, 0x13, | ||
127 | 0x08, 0x08, 0x08, 0x08, 0x1A, 0x1A, 0x1A, 0x1A, /* 0xa0 */ | ||
128 | 0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0, 0x44, | ||
129 | 0x44, 0x4A, 0x00, 0xFF, 0xEF, 0xEF, 0xEF, 0xEF, /* 0xb0 */ | ||
130 | 0xFF, 0xE7, 0xE9, 0xE9, 0xE9, 0xFF, 0xD7, 0xD8, | ||
131 | 0xD9, 0xD8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */ | ||
132 | 0x00, 0x00, 0x55, 0x00, 0xE4, 0x39, 0x00, 0x80, | ||
133 | 0x77, 0x77, 0x03, 0x20, 0x57, 0x9b, 0xdf, 0x31, /* 0xd0 */ | ||
134 | 0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81, | ||
135 | 0x10, 0xC0, 0xAA, 0xAA, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */ | ||
136 | 0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00, | ||
137 | 0x83, 0xB5, 0x09, 0x00, 0xA0, 0x00, 0x01, 0x20, /* 0xf0 */ | ||
138 | 0x64, 0x51, 0x40, 0xaf, 0xFF, 0xF0, 0x00, 0xC0, | ||
139 | }; | ||
140 | |||
141 | #define is_tw286x(__solo, __id) (!(__solo->tw2815 & (1 << __id))) | ||
142 | |||
143 | static u8 tw_readbyte(struct solo_dev *solo_dev, int chip_id, u8 tw6x_off, | ||
144 | u8 tw_off) | ||
145 | { | ||
146 | if (is_tw286x(solo_dev, chip_id)) | ||
147 | return solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, | ||
148 | TW_CHIP_OFFSET_ADDR(chip_id), | ||
149 | tw6x_off); | ||
150 | else | ||
151 | return solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, | ||
152 | TW_CHIP_OFFSET_ADDR(chip_id), | ||
153 | tw_off); | ||
154 | } | ||
155 | |||
156 | static void tw_writebyte(struct solo_dev *solo_dev, int chip_id, | ||
157 | u8 tw6x_off, u8 tw_off, u8 val) | ||
158 | { | ||
159 | if (is_tw286x(solo_dev, chip_id)) | ||
160 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, | ||
161 | TW_CHIP_OFFSET_ADDR(chip_id), | ||
162 | tw6x_off, val); | ||
163 | else | ||
164 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, | ||
165 | TW_CHIP_OFFSET_ADDR(chip_id), | ||
166 | tw_off, val); | ||
167 | } | ||
168 | |||
169 | static void tw_write_and_verify(struct solo_dev *solo_dev, u8 addr, u8 off, | ||
170 | u8 val) | ||
171 | { | ||
172 | int i; | ||
173 | |||
174 | for (i = 0; i < 5; i++) { | ||
175 | u8 rval = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, addr, off); | ||
176 | if (rval == val) | ||
177 | return; | ||
178 | |||
179 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, addr, off, val); | ||
180 | msleep_interruptible(1); | ||
181 | } | ||
182 | |||
183 | /* printk("solo6x10/tw28: Error writing register: %02x->%02x [%02x]\n", | ||
184 | addr, off, val); */ | ||
185 | } | ||
186 | |||
187 | static int tw2865_setup(struct solo_dev *solo_dev, u8 dev_addr) | ||
188 | { | ||
189 | u8 tbl_tw2865_common[256]; | ||
190 | int i; | ||
191 | |||
192 | if (solo_dev->video_type == SOLO_VO_FMT_TYPE_PAL) | ||
193 | memcpy(tbl_tw2865_common, tbl_tw2865_pal_template, | ||
194 | sizeof(tbl_tw2865_common)); | ||
195 | else | ||
196 | memcpy(tbl_tw2865_common, tbl_tw2865_ntsc_template, | ||
197 | sizeof(tbl_tw2865_common)); | ||
198 | |||
199 | /* ALINK Mode */ | ||
200 | if (solo_dev->nr_chans == 4) { | ||
201 | tbl_tw2865_common[0xd2] = 0x01; | ||
202 | tbl_tw2865_common[0xcf] = 0x00; | ||
203 | } else if (solo_dev->nr_chans == 8) { | ||
204 | tbl_tw2865_common[0xd2] = 0x02; | ||
205 | if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
206 | tbl_tw2865_common[0xcf] = 0x80; | ||
207 | } else if (solo_dev->nr_chans == 16) { | ||
208 | tbl_tw2865_common[0xd2] = 0x03; | ||
209 | if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
210 | tbl_tw2865_common[0xcf] = 0x83; | ||
211 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(2)) | ||
212 | tbl_tw2865_common[0xcf] = 0x83; | ||
213 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(3)) | ||
214 | tbl_tw2865_common[0xcf] = 0x80; | ||
215 | } | ||
216 | |||
217 | for (i = 0; i < 0xff; i++) { | ||
218 | /* Skip read only registers */ | ||
219 | if (i >= 0xb8 && i <= 0xc1) | ||
220 | continue; | ||
221 | if ((i & ~0x30) == 0x00 || | ||
222 | (i & ~0x30) == 0x0c || | ||
223 | (i & ~0x30) == 0x0d) | ||
224 | continue; | ||
225 | if (i >= 0xc4 && i <= 0xc7) | ||
226 | continue; | ||
227 | if (i == 0xfd) | ||
228 | continue; | ||
229 | |||
230 | tw_write_and_verify(solo_dev, dev_addr, i, | ||
231 | tbl_tw2865_common[i]); | ||
232 | } | ||
233 | |||
234 | return 0; | ||
235 | } | ||
236 | |||
237 | static int tw2864_setup(struct solo_dev *solo_dev, u8 dev_addr) | ||
238 | { | ||
239 | u8 tbl_tw2864_common[sizeof(tbl_tw2864_template)]; | ||
240 | int i; | ||
241 | |||
242 | memcpy(tbl_tw2864_common, tbl_tw2864_template, | ||
243 | sizeof(tbl_tw2864_common)); | ||
244 | |||
245 | if (solo_dev->tw2865 == 0) { | ||
246 | /* IRQ Mode */ | ||
247 | if (solo_dev->nr_chans == 4) { | ||
248 | tbl_tw2864_common[0xd2] = 0x01; | ||
249 | tbl_tw2864_common[0xcf] = 0x00; | ||
250 | } else if (solo_dev->nr_chans == 8) { | ||
251 | tbl_tw2864_common[0xd2] = 0x02; | ||
252 | if (dev_addr == TW_CHIP_OFFSET_ADDR(0)) | ||
253 | tbl_tw2864_common[0xcf] = 0x43; | ||
254 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
255 | tbl_tw2864_common[0xcf] = 0x40; | ||
256 | } else if (solo_dev->nr_chans == 16) { | ||
257 | tbl_tw2864_common[0xd2] = 0x03; | ||
258 | if (dev_addr == TW_CHIP_OFFSET_ADDR(0)) | ||
259 | tbl_tw2864_common[0xcf] = 0x43; | ||
260 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
261 | tbl_tw2864_common[0xcf] = 0x43; | ||
262 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(2)) | ||
263 | tbl_tw2864_common[0xcf] = 0x43; | ||
264 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(3)) | ||
265 | tbl_tw2864_common[0xcf] = 0x40; | ||
266 | } | ||
267 | } else { | ||
268 | /* ALINK Mode. Assumes that the first tw28xx is a | ||
269 | * 2865 and these are in cascade. */ | ||
270 | for (i = 0; i <= 4; i++) | ||
271 | tbl_tw2864_common[0x08 | i << 4] = 0x12; | ||
272 | |||
273 | if (solo_dev->nr_chans == 8) { | ||
274 | tbl_tw2864_common[0xd2] = 0x02; | ||
275 | if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
276 | tbl_tw2864_common[0xcf] = 0x80; | ||
277 | } else if (solo_dev->nr_chans == 16) { | ||
278 | tbl_tw2864_common[0xd2] = 0x03; | ||
279 | if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
280 | tbl_tw2864_common[0xcf] = 0x83; | ||
281 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(2)) | ||
282 | tbl_tw2864_common[0xcf] = 0x83; | ||
283 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(3)) | ||
284 | tbl_tw2864_common[0xcf] = 0x80; | ||
285 | } | ||
286 | } | ||
287 | |||
288 | /* NTSC or PAL */ | ||
289 | if (solo_dev->video_type == SOLO_VO_FMT_TYPE_PAL) { | ||
290 | for (i = 0; i < 4; i++) { | ||
291 | tbl_tw2864_common[0x07 | (i << 4)] |= 0x10; | ||
292 | tbl_tw2864_common[0x08 | (i << 4)] |= 0x06; | ||
293 | tbl_tw2864_common[0x0a | (i << 4)] |= 0x08; | ||
294 | tbl_tw2864_common[0x0b | (i << 4)] |= 0x13; | ||
295 | tbl_tw2864_common[0x0e | (i << 4)] |= 0x01; | ||
296 | } | ||
297 | tbl_tw2864_common[0x9d] = 0x90; | ||
298 | tbl_tw2864_common[0xf3] = 0x00; | ||
299 | tbl_tw2864_common[0xf4] = 0xa0; | ||
300 | } | ||
301 | |||
302 | for (i = 0; i < 0xff; i++) { | ||
303 | /* Skip read only registers */ | ||
304 | if (i >= 0xb8 && i <= 0xc1) | ||
305 | continue; | ||
306 | if ((i & ~0x30) == 0x00 || | ||
307 | (i & ~0x30) == 0x0c || | ||
308 | (i & ~0x30) == 0x0d) | ||
309 | continue; | ||
310 | if (i == 0x74 || i == 0x77 || i == 0x78 || | ||
311 | i == 0x79 || i == 0x7a) | ||
312 | continue; | ||
313 | if (i == 0xfd) | ||
314 | continue; | ||
315 | |||
316 | tw_write_and_verify(solo_dev, dev_addr, i, | ||
317 | tbl_tw2864_common[i]); | ||
318 | } | ||
319 | |||
320 | return 0; | ||
321 | } | ||
322 | |||
323 | static int tw2815_setup(struct solo_dev *solo_dev, u8 dev_addr) | ||
324 | { | ||
325 | u8 tbl_ntsc_tw2815_common[] = { | ||
326 | 0x00, 0xc8, 0x20, 0xd0, 0x06, 0xf0, 0x08, 0x80, | ||
327 | 0x80, 0x80, 0x80, 0x02, 0x06, 0x00, 0x11, | ||
328 | }; | ||
329 | |||
330 | u8 tbl_pal_tw2815_common[] = { | ||
331 | 0x00, 0x88, 0x20, 0xd0, 0x05, 0x20, 0x28, 0x80, | ||
332 | 0x80, 0x80, 0x80, 0x82, 0x06, 0x00, 0x11, | ||
333 | }; | ||
334 | |||
335 | u8 tbl_tw2815_sfr[] = { | ||
336 | 0x00, 0x00, 0x00, 0xc0, 0x45, 0xa0, 0xd0, 0x2f, /* 0x00 */ | ||
337 | 0x64, 0x80, 0x80, 0x82, 0x82, 0x00, 0x00, 0x00, | ||
338 | 0x00, 0x0f, 0x05, 0x00, 0x00, 0x80, 0x06, 0x00, /* 0x10 */ | ||
339 | 0x00, 0x00, 0x00, 0xff, 0x8f, 0x00, 0x00, 0x00, | ||
340 | 0x88, 0x88, 0xc0, 0x00, 0x20, 0x64, 0xa8, 0xec, /* 0x20 */ | ||
341 | 0x31, 0x75, 0xb9, 0xfd, 0x00, 0x00, 0x88, 0x88, | ||
342 | 0x88, 0x11, 0x00, 0x88, 0x88, 0x00, /* 0x30 */ | ||
343 | }; | ||
344 | u8 *tbl_tw2815_common; | ||
345 | int i; | ||
346 | int ch; | ||
347 | |||
348 | tbl_ntsc_tw2815_common[0x06] = 0; | ||
349 | |||
350 | /* Horizontal Delay Control */ | ||
351 | tbl_ntsc_tw2815_common[0x02] = DEFAULT_HDELAY_NTSC & 0xff; | ||
352 | tbl_ntsc_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_NTSC >> 8); | ||
353 | |||
354 | /* Horizontal Active Control */ | ||
355 | tbl_ntsc_tw2815_common[0x03] = DEFAULT_HACTIVE_NTSC & 0xff; | ||
356 | tbl_ntsc_tw2815_common[0x06] |= | ||
357 | ((0x03 & (DEFAULT_HACTIVE_NTSC >> 8)) << 2); | ||
358 | |||
359 | /* Vertical Delay Control */ | ||
360 | tbl_ntsc_tw2815_common[0x04] = DEFAULT_VDELAY_NTSC & 0xff; | ||
361 | tbl_ntsc_tw2815_common[0x06] |= | ||
362 | ((0x01 & (DEFAULT_VDELAY_NTSC >> 8)) << 4); | ||
363 | |||
364 | /* Vertical Active Control */ | ||
365 | tbl_ntsc_tw2815_common[0x05] = DEFAULT_VACTIVE_NTSC & 0xff; | ||
366 | tbl_ntsc_tw2815_common[0x06] |= | ||
367 | ((0x01 & (DEFAULT_VACTIVE_NTSC >> 8)) << 5); | ||
368 | |||
369 | tbl_pal_tw2815_common[0x06] = 0; | ||
370 | |||
371 | /* Horizontal Delay Control */ | ||
372 | tbl_pal_tw2815_common[0x02] = DEFAULT_HDELAY_PAL & 0xff; | ||
373 | tbl_pal_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_PAL >> 8); | ||
374 | |||
375 | /* Horizontal Active Control */ | ||
376 | tbl_pal_tw2815_common[0x03] = DEFAULT_HACTIVE_PAL & 0xff; | ||
377 | tbl_pal_tw2815_common[0x06] |= | ||
378 | ((0x03 & (DEFAULT_HACTIVE_PAL >> 8)) << 2); | ||
379 | |||
380 | /* Vertical Delay Control */ | ||
381 | tbl_pal_tw2815_common[0x04] = DEFAULT_VDELAY_PAL & 0xff; | ||
382 | tbl_pal_tw2815_common[0x06] |= | ||
383 | ((0x01 & (DEFAULT_VDELAY_PAL >> 8)) << 4); | ||
384 | |||
385 | /* Vertical Active Control */ | ||
386 | tbl_pal_tw2815_common[0x05] = DEFAULT_VACTIVE_PAL & 0xff; | ||
387 | tbl_pal_tw2815_common[0x06] |= | ||
388 | ((0x01 & (DEFAULT_VACTIVE_PAL >> 8)) << 5); | ||
389 | |||
390 | tbl_tw2815_common = | ||
391 | (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) ? | ||
392 | tbl_ntsc_tw2815_common : tbl_pal_tw2815_common; | ||
393 | |||
394 | /* Dual ITU-R BT.656 format */ | ||
395 | tbl_tw2815_common[0x0d] |= 0x04; | ||
396 | |||
397 | /* Audio configuration */ | ||
398 | tbl_tw2815_sfr[0x62 - 0x40] &= ~(3 << 6); | ||
399 | |||
400 | if (solo_dev->nr_chans == 4) { | ||
401 | tbl_tw2815_sfr[0x63 - 0x40] |= 1; | ||
402 | tbl_tw2815_sfr[0x62 - 0x40] |= 3 << 6; | ||
403 | } else if (solo_dev->nr_chans == 8) { | ||
404 | tbl_tw2815_sfr[0x63 - 0x40] |= 2; | ||
405 | if (dev_addr == TW_CHIP_OFFSET_ADDR(0)) | ||
406 | tbl_tw2815_sfr[0x62 - 0x40] |= 1 << 6; | ||
407 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
408 | tbl_tw2815_sfr[0x62 - 0x40] |= 2 << 6; | ||
409 | } else if (solo_dev->nr_chans == 16) { | ||
410 | tbl_tw2815_sfr[0x63 - 0x40] |= 3; | ||
411 | if (dev_addr == TW_CHIP_OFFSET_ADDR(0)) | ||
412 | tbl_tw2815_sfr[0x62 - 0x40] |= 1 << 6; | ||
413 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(1)) | ||
414 | tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 6; | ||
415 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(2)) | ||
416 | tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 6; | ||
417 | else if (dev_addr == TW_CHIP_OFFSET_ADDR(3)) | ||
418 | tbl_tw2815_sfr[0x62 - 0x40] |= 2 << 6; | ||
419 | } | ||
420 | |||
421 | /* Output mode of R_ADATM pin (0 mixing, 1 record) */ | ||
422 | /* tbl_tw2815_sfr[0x63 - 0x40] |= 0 << 2; */ | ||
423 | |||
424 | /* 8KHz, used to be 16KHz, but changed for remote client compat */ | ||
425 | tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 2; | ||
426 | tbl_tw2815_sfr[0x6c - 0x40] |= 0 << 2; | ||
427 | |||
428 | /* Playback of right channel */ | ||
429 | tbl_tw2815_sfr[0x6c - 0x40] |= 1 << 5; | ||
430 | |||
431 | /* Reserved value (XXX ??) */ | ||
432 | tbl_tw2815_sfr[0x5c - 0x40] |= 1 << 5; | ||
433 | |||
434 | /* Analog output gain and mix ratio playback on full */ | ||
435 | tbl_tw2815_sfr[0x70 - 0x40] |= 0xff; | ||
436 | /* Select playback audio and mute all except */ | ||
437 | tbl_tw2815_sfr[0x71 - 0x40] |= 0x10; | ||
438 | tbl_tw2815_sfr[0x6d - 0x40] |= 0x0f; | ||
439 | |||
440 | /* End of audio configuration */ | ||
441 | |||
442 | for (ch = 0; ch < 4; ch++) { | ||
443 | tbl_tw2815_common[0x0d] &= ~3; | ||
444 | switch (ch) { | ||
445 | case 0: | ||
446 | tbl_tw2815_common[0x0d] |= 0x21; | ||
447 | break; | ||
448 | case 1: | ||
449 | tbl_tw2815_common[0x0d] |= 0x20; | ||
450 | break; | ||
451 | case 2: | ||
452 | tbl_tw2815_common[0x0d] |= 0x23; | ||
453 | break; | ||
454 | case 3: | ||
455 | tbl_tw2815_common[0x0d] |= 0x22; | ||
456 | break; | ||
457 | } | ||
458 | |||
459 | for (i = 0; i < 0x0f; i++) { | ||
460 | if (i == 0x00) | ||
461 | continue; /* read-only */ | ||
462 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, | ||
463 | dev_addr, (ch * 0x10) + i, | ||
464 | tbl_tw2815_common[i]); | ||
465 | } | ||
466 | } | ||
467 | |||
468 | for (i = 0x40; i < 0x76; i++) { | ||
469 | /* Skip read-only and nop registers */ | ||
470 | if (i == 0x40 || i == 0x59 || i == 0x5a || | ||
471 | i == 0x5d || i == 0x5e || i == 0x5f) | ||
472 | continue; | ||
473 | |||
474 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, dev_addr, i, | ||
475 | tbl_tw2815_sfr[i - 0x40]); | ||
476 | } | ||
477 | |||
478 | return 0; | ||
479 | } | ||
480 | |||
481 | #define FIRST_ACTIVE_LINE 0x0008 | ||
482 | #define LAST_ACTIVE_LINE 0x0102 | ||
483 | |||
484 | static void saa7128_setup(struct solo_dev *solo_dev) | ||
485 | { | ||
486 | int i; | ||
487 | unsigned char regs[128] = { | ||
488 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, | ||
489 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
490 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
491 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
492 | 0x1C, 0x2B, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, | ||
493 | 0x59, 0x1d, 0x75, 0x3f, 0x06, 0x3f, 0x00, 0x00, | ||
494 | 0x1c, 0x33, 0x00, 0x3f, 0x00, 0x00, 0x3f, 0x00, | ||
495 | 0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
496 | 0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18, | ||
497 | 0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f, | ||
498 | 0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06, | ||
499 | 0x02, 0x80, 0x71, 0x77, 0xa7, 0x67, 0x66, 0x2e, | ||
500 | 0x7b, 0x11, 0x4f, 0x1f, 0x7c, 0xf0, 0x21, 0x77, | ||
501 | 0x41, 0x88, 0x41, 0x12, 0xed, 0x10, 0x10, 0x00, | ||
502 | 0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00, | ||
503 | 0x00, 0x00, 0x08, 0xff, 0x80, 0x00, 0xff, 0xff, | ||
504 | }; | ||
505 | |||
506 | regs[0x7A] = FIRST_ACTIVE_LINE & 0xff; | ||
507 | regs[0x7B] = LAST_ACTIVE_LINE & 0xff; | ||
508 | regs[0x7C] = ((1 << 7) | | ||
509 | (((LAST_ACTIVE_LINE >> 8) & 1) << 6) | | ||
510 | (((FIRST_ACTIVE_LINE >> 8) & 1) << 4)); | ||
511 | |||
512 | /* PAL: XXX: We could do a second set of regs to avoid this */ | ||
513 | if (solo_dev->video_type != SOLO_VO_FMT_TYPE_NTSC) { | ||
514 | regs[0x28] = 0xE1; | ||
515 | |||
516 | regs[0x5A] = 0x0F; | ||
517 | regs[0x61] = 0x02; | ||
518 | regs[0x62] = 0x35; | ||
519 | regs[0x63] = 0xCB; | ||
520 | regs[0x64] = 0x8A; | ||
521 | regs[0x65] = 0x09; | ||
522 | regs[0x66] = 0x2A; | ||
523 | |||
524 | regs[0x6C] = 0xf1; | ||
525 | regs[0x6E] = 0x20; | ||
526 | |||
527 | regs[0x7A] = 0x06 + 12; | ||
528 | regs[0x7b] = 0x24 + 12; | ||
529 | regs[0x7c] |= 1 << 6; | ||
530 | } | ||
531 | |||
532 | /* First 0x25 bytes are read-only? */ | ||
533 | for (i = 0x26; i < 128; i++) { | ||
534 | if (i == 0x60 || i == 0x7D) | ||
535 | continue; | ||
536 | solo_i2c_writebyte(solo_dev, SOLO_I2C_SAA, 0x46, i, regs[i]); | ||
537 | } | ||
538 | |||
539 | return; | ||
540 | } | ||
541 | |||
542 | int solo_tw28_init(struct solo_dev *solo_dev) | ||
543 | { | ||
544 | int i; | ||
545 | u8 value; | ||
546 | |||
547 | /* Detect techwell chip type */ | ||
548 | for (i = 0; i < TW_NUM_CHIP; i++) { | ||
549 | value = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, | ||
550 | TW_CHIP_OFFSET_ADDR(i), 0xFF); | ||
551 | |||
552 | switch (value >> 3) { | ||
553 | case 0x18: | ||
554 | solo_dev->tw2865 |= 1 << i; | ||
555 | solo_dev->tw28_cnt++; | ||
556 | break; | ||
557 | case 0x0c: | ||
558 | solo_dev->tw2864 |= 1 << i; | ||
559 | solo_dev->tw28_cnt++; | ||
560 | break; | ||
561 | default: | ||
562 | value = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, | ||
563 | TW_CHIP_OFFSET_ADDR(i), 0x59); | ||
564 | if ((value >> 3) == 0x04) { | ||
565 | solo_dev->tw2815 |= 1 << i; | ||
566 | solo_dev->tw28_cnt++; | ||
567 | } | ||
568 | } | ||
569 | } | ||
570 | |||
571 | if (!solo_dev->tw28_cnt) | ||
572 | return -EINVAL; | ||
573 | |||
574 | saa7128_setup(solo_dev); | ||
575 | |||
576 | for (i = 0; i < solo_dev->tw28_cnt; i++) { | ||
577 | if ((solo_dev->tw2865 & (1 << i))) | ||
578 | tw2865_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i)); | ||
579 | else if ((solo_dev->tw2864 & (1 << i))) | ||
580 | tw2864_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i)); | ||
581 | else | ||
582 | tw2815_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i)); | ||
583 | } | ||
584 | |||
585 | dev_info(&solo_dev->pdev->dev, "Initialized %d tw28xx chip%s:", | ||
586 | solo_dev->tw28_cnt, solo_dev->tw28_cnt == 1 ? "" : "s"); | ||
587 | |||
588 | if (solo_dev->tw2865) | ||
589 | printk(" tw2865[%d]", hweight32(solo_dev->tw2865)); | ||
590 | if (solo_dev->tw2864) | ||
591 | printk(" tw2864[%d]", hweight32(solo_dev->tw2864)); | ||
592 | if (solo_dev->tw2815) | ||
593 | printk(" tw2815[%d]", hweight32(solo_dev->tw2815)); | ||
594 | printk("\n"); | ||
595 | |||
596 | return 0; | ||
597 | } | ||
598 | |||
599 | /* | ||
600 | * We accessed the video status signal in the Techwell chip through | ||
601 | * iic/i2c because the video status reported by register REG_VI_STATUS1 | ||
602 | * (address 0x012C) of the SOLO6010 chip doesn't give the correct video | ||
603 | * status signal values. | ||
604 | */ | ||
605 | int tw28_get_video_status(struct solo_dev *solo_dev, u8 ch) | ||
606 | { | ||
607 | u8 val, chip_num; | ||
608 | |||
609 | /* Get the right chip and on-chip channel */ | ||
610 | chip_num = ch / 4; | ||
611 | ch %= 4; | ||
612 | |||
613 | val = tw_readbyte(solo_dev, chip_num, TW286X_AV_STAT_ADDR, | ||
614 | TW_AV_STAT_ADDR) & 0x0f; | ||
615 | |||
616 | return val & (1 << ch) ? 1 : 0; | ||
617 | } | ||
618 | |||
619 | #if 0 | ||
620 | /* Status of audio from up to 4 techwell chips are combined into 1 variable. | ||
621 | * See techwell datasheet for details. */ | ||
622 | u16 tw28_get_audio_status(struct solo_dev *solo_dev) | ||
623 | { | ||
624 | u8 val; | ||
625 | u16 status = 0; | ||
626 | int i; | ||
627 | |||
628 | for (i = 0; i < solo_dev->tw28_cnt; i++) { | ||
629 | val = (tw_readbyte(solo_dev, i, TW286X_AV_STAT_ADDR, | ||
630 | TW_AV_STAT_ADDR) & 0xf0) >> 4; | ||
631 | status |= val << (i * 4); | ||
632 | } | ||
633 | |||
634 | return status; | ||
635 | } | ||
636 | #endif | ||
637 | |||
638 | int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch, s32 val) | ||
639 | { | ||
640 | char sval; | ||
641 | u8 chip_num; | ||
642 | |||
643 | /* Get the right chip and on-chip channel */ | ||
644 | chip_num = ch / 4; | ||
645 | ch %= 4; | ||
646 | |||
647 | if (val > 255 || val < 0) | ||
648 | return -ERANGE; | ||
649 | |||
650 | switch (ctrl) { | ||
651 | case V4L2_CID_SHARPNESS: | ||
652 | /* Only 286x has sharpness */ | ||
653 | if (val > 0x0f || val < 0) | ||
654 | return -ERANGE; | ||
655 | if (is_tw286x(solo_dev, chip_num)) { | ||
656 | u8 v = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, | ||
657 | TW_CHIP_OFFSET_ADDR(chip_num), | ||
658 | TW286x_SHARPNESS(chip_num)); | ||
659 | v &= 0xf0; | ||
660 | v |= val; | ||
661 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, | ||
662 | TW_CHIP_OFFSET_ADDR(chip_num), | ||
663 | TW286x_SHARPNESS(chip_num), v); | ||
664 | } else if (val != 0) | ||
665 | return -ERANGE; | ||
666 | break; | ||
667 | |||
668 | case V4L2_CID_HUE: | ||
669 | if (is_tw286x(solo_dev, chip_num)) | ||
670 | sval = val - 128; | ||
671 | else | ||
672 | sval = (char)val; | ||
673 | tw_writebyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch), | ||
674 | TW_HUE_ADDR(ch), sval); | ||
675 | |||
676 | break; | ||
677 | |||
678 | case V4L2_CID_SATURATION: | ||
679 | if (is_tw286x(solo_dev, chip_num)) { | ||
680 | solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, | ||
681 | TW_CHIP_OFFSET_ADDR(chip_num), | ||
682 | TW286x_SATURATIONU_ADDR(ch), val); | ||
683 | } | ||
684 | tw_writebyte(solo_dev, chip_num, TW286x_SATURATIONV_ADDR(ch), | ||
685 | TW_SATURATION_ADDR(ch), val); | ||
686 | |||
687 | break; | ||
688 | |||
689 | case V4L2_CID_CONTRAST: | ||
690 | tw_writebyte(solo_dev, chip_num, TW286x_CONTRAST_ADDR(ch), | ||
691 | TW_CONTRAST_ADDR(ch), val); | ||
692 | break; | ||
693 | |||
694 | case V4L2_CID_BRIGHTNESS: | ||
695 | if (is_tw286x(solo_dev, chip_num)) | ||
696 | sval = val - 128; | ||
697 | else | ||
698 | sval = (char)val; | ||
699 | tw_writebyte(solo_dev, chip_num, TW286x_BRIGHTNESS_ADDR(ch), | ||
700 | TW_BRIGHTNESS_ADDR(ch), sval); | ||
701 | |||
702 | break; | ||
703 | default: | ||
704 | return -EINVAL; | ||
705 | } | ||
706 | |||
707 | return 0; | ||
708 | } | ||
709 | |||
710 | int tw28_get_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch, | ||
711 | s32 *val) | ||
712 | { | ||
713 | u8 rval, chip_num; | ||
714 | |||
715 | /* Get the right chip and on-chip channel */ | ||
716 | chip_num = ch / 4; | ||
717 | ch %= 4; | ||
718 | |||
719 | switch (ctrl) { | ||
720 | case V4L2_CID_SHARPNESS: | ||
721 | /* Only 286x has sharpness */ | ||
722 | if (is_tw286x(solo_dev, chip_num)) { | ||
723 | rval = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, | ||
724 | TW_CHIP_OFFSET_ADDR(chip_num), | ||
725 | TW286x_SHARPNESS(chip_num)); | ||
726 | *val = rval & 0x0f; | ||
727 | } else | ||
728 | *val = 0; | ||
729 | break; | ||
730 | case V4L2_CID_HUE: | ||
731 | rval = tw_readbyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch), | ||
732 | TW_HUE_ADDR(ch)); | ||
733 | if (is_tw286x(solo_dev, chip_num)) | ||
734 | *val = (s32)((char)rval) + 128; | ||
735 | else | ||
736 | *val = rval; | ||
737 | break; | ||
738 | case V4L2_CID_SATURATION: | ||
739 | *val = tw_readbyte(solo_dev, chip_num, | ||
740 | TW286x_SATURATIONU_ADDR(ch), | ||
741 | TW_SATURATION_ADDR(ch)); | ||
742 | break; | ||
743 | case V4L2_CID_CONTRAST: | ||
744 | *val = tw_readbyte(solo_dev, chip_num, | ||
745 | TW286x_CONTRAST_ADDR(ch), | ||
746 | TW_CONTRAST_ADDR(ch)); | ||
747 | break; | ||
748 | case V4L2_CID_BRIGHTNESS: | ||
749 | rval = tw_readbyte(solo_dev, chip_num, | ||
750 | TW286x_BRIGHTNESS_ADDR(ch), | ||
751 | TW_BRIGHTNESS_ADDR(ch)); | ||
752 | if (is_tw286x(solo_dev, chip_num)) | ||
753 | *val = (s32)((char)rval) + 128; | ||
754 | else | ||
755 | *val = rval; | ||
756 | break; | ||
757 | default: | ||
758 | return -EINVAL; | ||
759 | } | ||
760 | |||
761 | return 0; | ||
762 | } | ||
763 | |||
764 | #if 0 | ||
765 | /* | ||
766 | * For audio output volume, the output channel is only 1. In this case we | ||
767 | * don't need to offset TW_CHIP_OFFSET_ADDR. The TW_CHIP_OFFSET_ADDR used | ||
768 | * is the base address of the techwell chip. | ||
769 | */ | ||
770 | void tw2815_Set_AudioOutVol(struct solo_dev *solo_dev, unsigned int u_val) | ||
771 | { | ||
772 | unsigned int val; | ||
773 | unsigned int chip_num; | ||
774 | |||
775 | chip_num = (solo_dev->nr_chans - 1) / 4; | ||
776 | |||
777 | val = tw_readbyte(solo_dev, chip_num, TW286x_AUDIO_OUTPUT_VOL_ADDR, | ||
778 | TW_AUDIO_OUTPUT_VOL_ADDR); | ||
779 | |||
780 | u_val = (val & 0x0f) | (u_val << 4); | ||
781 | |||
782 | tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_OUTPUT_VOL_ADDR, | ||
783 | TW_AUDIO_OUTPUT_VOL_ADDR, u_val); | ||
784 | } | ||
785 | #endif | ||
786 | |||
787 | u8 tw28_get_audio_gain(struct solo_dev *solo_dev, u8 ch) | ||
788 | { | ||
789 | u8 val; | ||
790 | u8 chip_num; | ||
791 | |||
792 | /* Get the right chip and on-chip channel */ | ||
793 | chip_num = ch / 4; | ||
794 | ch %= 4; | ||
795 | |||
796 | val = tw_readbyte(solo_dev, chip_num, | ||
797 | TW286x_AUDIO_INPUT_GAIN_ADDR(ch), | ||
798 | TW_AUDIO_INPUT_GAIN_ADDR(ch)); | ||
799 | |||
800 | return (ch % 2) ? (val >> 4) : (val & 0x0f); | ||
801 | } | ||
802 | |||
803 | void tw28_set_audio_gain(struct solo_dev *solo_dev, u8 ch, u8 val) | ||
804 | { | ||
805 | u8 old_val; | ||
806 | u8 chip_num; | ||
807 | |||
808 | /* Get the right chip and on-chip channel */ | ||
809 | chip_num = ch / 4; | ||
810 | ch %= 4; | ||
811 | |||
812 | old_val = tw_readbyte(solo_dev, chip_num, | ||
813 | TW286x_AUDIO_INPUT_GAIN_ADDR(ch), | ||
814 | TW_AUDIO_INPUT_GAIN_ADDR(ch)); | ||
815 | |||
816 | val = (old_val & ((ch % 2) ? 0x0f : 0xf0)) | | ||
817 | ((ch % 2) ? (val << 4) : val); | ||
818 | |||
819 | tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_INPUT_GAIN_ADDR(ch), | ||
820 | TW_AUDIO_INPUT_GAIN_ADDR(ch), val); | ||
821 | } | ||