Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 1 | /* cx25840 audio functions |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or |
| 4 | * modify it under the terms of the GNU General Public License |
| 5 | * as published by the Free Software Foundation; either version 2 |
| 6 | * of the License, or (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | */ |
| 17 | |
| 18 | |
| 19 | #include <linux/videodev2.h> |
| 20 | #include <linux/i2c.h> |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 21 | #include <media/v4l2-common.h> |
Hans Verkuil | 31bc09b | 2006-03-25 10:26:09 -0300 | [diff] [blame] | 22 | #include <media/cx25840.h> |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 23 | |
Hans Verkuil | 31bc09b | 2006-03-25 10:26:09 -0300 | [diff] [blame] | 24 | #include "cx25840-core.h" |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 25 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 26 | /* |
| 27 | * Note: The PLL and SRC parameters are based on a reference frequency that |
| 28 | * would ideally be: |
| 29 | * |
| 30 | * NTSC Color subcarrier freq * 8 = 4.5 MHz/286 * 455/2 * 8 = 28.63636363... MHz |
| 31 | * |
| 32 | * However, it's not the exact reference frequency that matters, only that the |
| 33 | * firmware and modules that comprise the driver for a particular board all |
| 34 | * use the same value (close to the ideal value). |
| 35 | * |
| 36 | * Comments below will note which reference frequency is assumed for various |
| 37 | * parameters. They will usually be one of |
| 38 | * |
| 39 | * ref_freq = 28.636360 MHz |
| 40 | * or |
| 41 | * ref_freq = 28.636363 MHz |
| 42 | */ |
| 43 | |
| 44 | static int cx25840_set_audclk_freq(struct i2c_client *client, u32 freq) |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 45 | { |
Hans Verkuil | 9357b31 | 2008-11-29 12:50:06 -0300 | [diff] [blame] | 46 | struct cx25840_state *state = to_state(i2c_get_clientdata(client)); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 47 | |
Hans Verkuil | a8bbf12 | 2006-01-09 15:25:42 -0200 | [diff] [blame] | 48 | if (state->aud_input != CX25840_AUDIO_SERIAL) { |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 49 | switch (freq) { |
Hans Verkuil | 3578d3d | 2006-01-09 15:25:41 -0200 | [diff] [blame] | 50 | case 32000: |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 51 | /* |
| 52 | * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 |
| 53 | * AUX_PLL Integer = 0x06, AUX PLL Post Divider = 0x10 |
| 54 | */ |
| 55 | cx25840_write4(client, 0x108, 0x1006040f); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 56 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 57 | /* |
| 58 | * VID_PLL Fraction (register 0x10c) = 0x2be2fe |
| 59 | * 28636360 * 0xf.15f17f0/4 = 108 MHz |
| 60 | * 432 MHz pre-postdivide |
| 61 | */ |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 62 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 63 | /* |
| 64 | * AUX_PLL Fraction = 0x1bb39ee |
| 65 | * 28636363 * 0x6.dd9cf70/0x10 = 32000 * 384 |
| 66 | * 196.6 MHz pre-postdivide |
| 67 | * FIXME < 200 MHz is out of specified valid range |
| 68 | * FIXME 28636363 ref_freq doesn't match VID PLL ref |
| 69 | */ |
| 70 | cx25840_write4(client, 0x110, 0x01bb39ee); |
| 71 | |
| 72 | /* |
| 73 | * SA_MCLK_SEL = 1 |
| 74 | * SA_MCLK_DIV = 0x10 = 384/384 * AUX_PLL post dvivider |
| 75 | */ |
| 76 | cx25840_write(client, 0x127, 0x50); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 77 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 78 | if (is_cx2583x(state)) |
Hans Verkuil | e2b8cf4 | 2006-04-22 10:22:46 -0300 | [diff] [blame] | 79 | break; |
| 80 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 81 | /* src3/4/6_ctl */ |
| 82 | /* 0x1.f77f = (4 * 28636360/8 * 2/455) / 32000 */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 83 | cx25840_write4(client, 0x900, 0x0801f77f); |
| 84 | cx25840_write4(client, 0x904, 0x0801f77f); |
| 85 | cx25840_write4(client, 0x90c, 0x0801f77f); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 86 | break; |
| 87 | |
Hans Verkuil | 3578d3d | 2006-01-09 15:25:41 -0200 | [diff] [blame] | 88 | case 44100: |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 89 | /* |
| 90 | * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 |
| 91 | * AUX_PLL Integer = 0x09, AUX PLL Post Divider = 0x10 |
| 92 | */ |
| 93 | cx25840_write4(client, 0x108, 0x1009040f); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 94 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 95 | /* |
| 96 | * VID_PLL Fraction (register 0x10c) = 0x2be2fe |
| 97 | * 28636360 * 0xf.15f17f0/4 = 108 MHz |
| 98 | * 432 MHz pre-postdivide |
| 99 | */ |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 100 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 101 | /* |
| 102 | * AUX_PLL Fraction = 0x0ec6bd6 |
| 103 | * 28636363 * 0x9.7635eb0/0x10 = 44100 * 384 |
| 104 | * 271 MHz pre-postdivide |
| 105 | * FIXME 28636363 ref_freq doesn't match VID PLL ref |
| 106 | */ |
| 107 | cx25840_write4(client, 0x110, 0x00ec6bd6); |
| 108 | |
| 109 | /* |
| 110 | * SA_MCLK_SEL = 1 |
| 111 | * SA_MCLK_DIV = 0x10 = 384/384 * AUX_PLL post dvivider |
| 112 | */ |
| 113 | cx25840_write(client, 0x127, 0x50); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 114 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 115 | if (is_cx2583x(state)) |
Hans Verkuil | e2b8cf4 | 2006-04-22 10:22:46 -0300 | [diff] [blame] | 116 | break; |
| 117 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 118 | /* src3/4/6_ctl */ |
| 119 | /* 0x1.6d59 = (4 * 28636360/8 * 2/455) / 44100 */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 120 | cx25840_write4(client, 0x900, 0x08016d59); |
| 121 | cx25840_write4(client, 0x904, 0x08016d59); |
| 122 | cx25840_write4(client, 0x90c, 0x08016d59); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 123 | break; |
| 124 | |
Hans Verkuil | 3578d3d | 2006-01-09 15:25:41 -0200 | [diff] [blame] | 125 | case 48000: |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 126 | /* |
| 127 | * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 |
| 128 | * AUX_PLL Integer = 0x0a, AUX PLL Post Divider = 0x10 |
| 129 | */ |
| 130 | cx25840_write4(client, 0x108, 0x100a040f); |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 131 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 132 | /* |
| 133 | * VID_PLL Fraction (register 0x10c) = 0x2be2fe |
| 134 | * 28636360 * 0xf.15f17f0/4 = 108 MHz |
| 135 | * 432 MHz pre-postdivide |
| 136 | */ |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 137 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 138 | /* |
| 139 | * AUX_PLL Fraction = 0x098d6e5 |
| 140 | * 28636363 * 0xa.4c6b728/0x10 = 48000 * 384 |
| 141 | * 295 MHz pre-postdivide |
| 142 | * FIXME 28636363 ref_freq doesn't match VID PLL ref |
| 143 | */ |
| 144 | cx25840_write4(client, 0x110, 0x0098d6e5); |
| 145 | |
| 146 | /* |
| 147 | * SA_MCLK_SEL = 1 |
| 148 | * SA_MCLK_DIV = 0x10 = 384/384 * AUX_PLL post dvivider |
| 149 | */ |
| 150 | cx25840_write(client, 0x127, 0x50); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 151 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 152 | if (is_cx2583x(state)) |
Hans Verkuil | e2b8cf4 | 2006-04-22 10:22:46 -0300 | [diff] [blame] | 153 | break; |
| 154 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 155 | /* src3/4/6_ctl */ |
| 156 | /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 157 | cx25840_write4(client, 0x900, 0x08014faa); |
| 158 | cx25840_write4(client, 0x904, 0x08014faa); |
| 159 | cx25840_write4(client, 0x90c, 0x08014faa); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 160 | break; |
| 161 | } |
Hans Verkuil | a8bbf12 | 2006-01-09 15:25:42 -0200 | [diff] [blame] | 162 | } else { |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 163 | switch (freq) { |
Hans Verkuil | 3578d3d | 2006-01-09 15:25:41 -0200 | [diff] [blame] | 164 | case 32000: |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 165 | /* |
| 166 | * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 |
| 167 | * AUX_PLL Integer = 0x08, AUX PLL Post Divider = 0x1e |
| 168 | */ |
| 169 | cx25840_write4(client, 0x108, 0x1e08040f); |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 170 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 171 | /* |
| 172 | * VID_PLL Fraction (register 0x10c) = 0x2be2fe |
| 173 | * 28636360 * 0xf.15f17f0/4 = 108 MHz |
| 174 | * 432 MHz pre-postdivide |
| 175 | */ |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 176 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 177 | /* |
| 178 | * AUX_PLL Fraction = 0x12a0869 |
| 179 | * 28636363 * 0x8.9504348/0x1e = 32000 * 256 |
| 180 | * 246 MHz pre-postdivide |
| 181 | * FIXME 28636363 ref_freq doesn't match VID PLL ref |
| 182 | */ |
| 183 | cx25840_write4(client, 0x110, 0x012a0869); |
| 184 | |
| 185 | /* |
| 186 | * SA_MCLK_SEL = 1 |
| 187 | * SA_MCLK_DIV = 0x14 = 256/384 * AUX_PLL post dvivider |
| 188 | */ |
| 189 | cx25840_write(client, 0x127, 0x54); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 190 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 191 | if (is_cx2583x(state)) |
Hans Verkuil | e2b8cf4 | 2006-04-22 10:22:46 -0300 | [diff] [blame] | 192 | break; |
| 193 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 194 | /* src1_ctl */ |
| 195 | /* 0x1.0000 = 32000/32000 */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 196 | cx25840_write4(client, 0x8f8, 0x08010000); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 197 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 198 | /* src3/4/6_ctl */ |
| 199 | /* 0x2.0000 = 2 * (32000/32000) */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 200 | cx25840_write4(client, 0x900, 0x08020000); |
| 201 | cx25840_write4(client, 0x904, 0x08020000); |
| 202 | cx25840_write4(client, 0x90c, 0x08020000); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 203 | break; |
| 204 | |
Hans Verkuil | 3578d3d | 2006-01-09 15:25:41 -0200 | [diff] [blame] | 205 | case 44100: |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 206 | /* |
| 207 | * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 |
| 208 | * AUX_PLL Integer = 0x09, AUX PLL Post Divider = 0x18 |
| 209 | */ |
| 210 | cx25840_write4(client, 0x108, 0x1809040f); |
Steven Toth | f234081 | 2008-01-10 01:22:39 -0300 | [diff] [blame] | 211 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 212 | /* |
| 213 | * VID_PLL Fraction (register 0x10c) = 0x2be2fe |
| 214 | * 28636360 * 0xf.15f17f0/4 = 108 MHz |
| 215 | * 432 MHz pre-postdivide |
| 216 | */ |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 217 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 218 | /* |
| 219 | * AUX_PLL Fraction = 0x0ec6bd6 |
| 220 | * 28636363 * 0x9.7635eb0/0x18 = 44100 * 256 |
| 221 | * 271 MHz pre-postdivide |
| 222 | * FIXME 28636363 ref_freq doesn't match VID PLL ref |
| 223 | */ |
| 224 | cx25840_write4(client, 0x110, 0x00ec6bd6); |
Sri Deevi | 149783b | 2009-03-03 06:07:42 -0300 | [diff] [blame] | 225 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 226 | /* |
| 227 | * SA_MCLK_SEL = 1 |
| 228 | * SA_MCLK_DIV = 0x10 = 256/384 * AUX_PLL post dvivider |
| 229 | */ |
| 230 | cx25840_write(client, 0x127, 0x50); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 231 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 232 | if (is_cx2583x(state)) |
Hans Verkuil | e2b8cf4 | 2006-04-22 10:22:46 -0300 | [diff] [blame] | 233 | break; |
| 234 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 235 | /* src1_ctl */ |
| 236 | /* 0x1.60cd = 44100/32000 */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 237 | cx25840_write4(client, 0x8f8, 0x080160cd); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 238 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 239 | /* src3/4/6_ctl */ |
| 240 | /* 0x1.7385 = 2 * (32000/44100) */ |
Hans Verkuil | 4a56eb3 | 2007-12-02 07:03:45 -0300 | [diff] [blame] | 241 | cx25840_write4(client, 0x900, 0x08017385); |
| 242 | cx25840_write4(client, 0x904, 0x08017385); |
| 243 | cx25840_write4(client, 0x90c, 0x08017385); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 244 | break; |
| 245 | |
Hans Verkuil | 3578d3d | 2006-01-09 15:25:41 -0200 | [diff] [blame] | 246 | case 48000: |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 247 | /* |
| 248 | * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 |
| 249 | * AUX_PLL Integer = 0x0a, AUX PLL Post Divider = 0x18 |
| 250 | */ |
| 251 | cx25840_write4(client, 0x108, 0x180a040f); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 252 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 253 | /* |
| 254 | * VID_PLL Fraction (register 0x10c) = 0x2be2fe |
| 255 | * 28636360 * 0xf.15f17f0/4 = 108 MHz |
| 256 | * 432 MHz pre-postdivide |
| 257 | */ |
| 258 | |
| 259 | /* |
| 260 | * AUX_PLL Fraction = 0x098d6e5 |
| 261 | * 28636363 * 0xa.4c6b728/0x18 = 48000 * 256 |
| 262 | * 295 MHz pre-postdivide |
| 263 | * FIXME 28636363 ref_freq doesn't match VID PLL ref |
| 264 | */ |
| 265 | cx25840_write4(client, 0x110, 0x0098d6e5); |
| 266 | |
| 267 | /* |
| 268 | * SA_MCLK_SEL = 1 |
| 269 | * SA_MCLK_DIV = 0x10 = 256/384 * AUX_PLL post dvivider |
| 270 | */ |
| 271 | cx25840_write(client, 0x127, 0x50); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 272 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 273 | if (is_cx2583x(state)) |
Hans Verkuil | e2b8cf4 | 2006-04-22 10:22:46 -0300 | [diff] [blame] | 274 | break; |
| 275 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 276 | /* src1_ctl */ |
| 277 | /* 0x1.8000 = 48000/32000 */ |
| 278 | cx25840_write4(client, 0x8f8, 0x08018000); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 279 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 280 | /* src3/4/6_ctl */ |
| 281 | /* 0x1.5555 = 2 * (32000/48000) */ |
| 282 | cx25840_write4(client, 0x900, 0x08015555); |
| 283 | cx25840_write4(client, 0x904, 0x08015555); |
| 284 | cx25840_write4(client, 0x90c, 0x08015555); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 285 | break; |
| 286 | } |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 287 | } |
| 288 | |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 289 | state->audclk_freq = freq; |
| 290 | |
| 291 | return 0; |
| 292 | } |
| 293 | |
Andy Walls | 9eef550 | 2009-09-26 23:54:20 -0300 | [diff] [blame] | 294 | static inline int cx25836_set_audclk_freq(struct i2c_client *client, u32 freq) |
| 295 | { |
| 296 | return cx25840_set_audclk_freq(client, freq); |
| 297 | } |
| 298 | |
| 299 | static int cx23885_set_audclk_freq(struct i2c_client *client, u32 freq) |
| 300 | { |
| 301 | struct cx25840_state *state = to_state(i2c_get_clientdata(client)); |
| 302 | |
| 303 | if (state->aud_input != CX25840_AUDIO_SERIAL) { |
| 304 | switch (freq) { |
| 305 | case 32000: |
| 306 | case 44100: |
| 307 | case 48000: |
| 308 | /* We don't have register values |
| 309 | * so avoid destroying registers. */ |
| 310 | /* FIXME return -EINVAL; */ |
| 311 | break; |
| 312 | } |
| 313 | } else { |
| 314 | switch (freq) { |
| 315 | case 32000: |
| 316 | case 44100: |
| 317 | /* We don't have register values |
| 318 | * so avoid destroying registers. */ |
| 319 | /* FIXME return -EINVAL; */ |
| 320 | break; |
| 321 | |
| 322 | case 48000: |
| 323 | /* src1_ctl */ |
| 324 | /* 0x1.867c = 48000 / (2 * 28636360/8 * 2/455) */ |
| 325 | cx25840_write4(client, 0x8f8, 0x0801867c); |
| 326 | |
| 327 | /* src3/4/6_ctl */ |
| 328 | /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */ |
| 329 | cx25840_write4(client, 0x900, 0x08014faa); |
| 330 | cx25840_write4(client, 0x904, 0x08014faa); |
| 331 | cx25840_write4(client, 0x90c, 0x08014faa); |
| 332 | break; |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | state->audclk_freq = freq; |
| 337 | |
| 338 | return 0; |
| 339 | } |
| 340 | |
| 341 | static int cx231xx_set_audclk_freq(struct i2c_client *client, u32 freq) |
| 342 | { |
| 343 | struct cx25840_state *state = to_state(i2c_get_clientdata(client)); |
| 344 | |
| 345 | if (state->aud_input != CX25840_AUDIO_SERIAL) { |
| 346 | switch (freq) { |
| 347 | case 32000: |
| 348 | /* src3/4/6_ctl */ |
| 349 | /* 0x1.f77f = (4 * 28636360/8 * 2/455) / 32000 */ |
| 350 | cx25840_write4(client, 0x900, 0x0801f77f); |
| 351 | cx25840_write4(client, 0x904, 0x0801f77f); |
| 352 | cx25840_write4(client, 0x90c, 0x0801f77f); |
| 353 | break; |
| 354 | |
| 355 | case 44100: |
| 356 | /* src3/4/6_ctl */ |
| 357 | /* 0x1.6d59 = (4 * 28636360/8 * 2/455) / 44100 */ |
| 358 | cx25840_write4(client, 0x900, 0x08016d59); |
| 359 | cx25840_write4(client, 0x904, 0x08016d59); |
| 360 | cx25840_write4(client, 0x90c, 0x08016d59); |
| 361 | break; |
| 362 | |
| 363 | case 48000: |
| 364 | /* src3/4/6_ctl */ |
| 365 | /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */ |
| 366 | cx25840_write4(client, 0x900, 0x08014faa); |
| 367 | cx25840_write4(client, 0x904, 0x08014faa); |
| 368 | cx25840_write4(client, 0x90c, 0x08014faa); |
| 369 | break; |
| 370 | } |
| 371 | } else { |
| 372 | switch (freq) { |
| 373 | /* FIXME These cases make different assumptions about audclk */ |
| 374 | case 32000: |
| 375 | /* src1_ctl */ |
| 376 | /* 0x1.0000 = 32000/32000 */ |
| 377 | cx25840_write4(client, 0x8f8, 0x08010000); |
| 378 | |
| 379 | /* src3/4/6_ctl */ |
| 380 | /* 0x2.0000 = 2 * (32000/32000) */ |
| 381 | cx25840_write4(client, 0x900, 0x08020000); |
| 382 | cx25840_write4(client, 0x904, 0x08020000); |
| 383 | cx25840_write4(client, 0x90c, 0x08020000); |
| 384 | break; |
| 385 | |
| 386 | case 44100: |
| 387 | /* src1_ctl */ |
| 388 | /* 0x1.60cd = 44100/32000 */ |
| 389 | cx25840_write4(client, 0x8f8, 0x080160cd); |
| 390 | |
| 391 | /* src3/4/6_ctl */ |
| 392 | /* 0x1.7385 = 2 * (32000/44100) */ |
| 393 | cx25840_write4(client, 0x900, 0x08017385); |
| 394 | cx25840_write4(client, 0x904, 0x08017385); |
| 395 | cx25840_write4(client, 0x90c, 0x08017385); |
| 396 | break; |
| 397 | |
| 398 | case 48000: |
| 399 | /* src1_ctl */ |
| 400 | /* 0x1.867c = 48000 / (2 * 28636360/8 * 2/455) */ |
| 401 | cx25840_write4(client, 0x8f8, 0x0801867c); |
| 402 | |
| 403 | /* src3/4/6_ctl */ |
| 404 | /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */ |
| 405 | cx25840_write4(client, 0x900, 0x08014faa); |
| 406 | cx25840_write4(client, 0x904, 0x08014faa); |
| 407 | cx25840_write4(client, 0x90c, 0x08014faa); |
| 408 | break; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | state->audclk_freq = freq; |
| 413 | |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | static int set_audclk_freq(struct i2c_client *client, u32 freq) |
| 418 | { |
| 419 | struct cx25840_state *state = to_state(i2c_get_clientdata(client)); |
| 420 | |
| 421 | if (freq != 32000 && freq != 44100 && freq != 48000) |
| 422 | return -EINVAL; |
| 423 | |
| 424 | if (is_cx231xx(state)) |
| 425 | return cx231xx_set_audclk_freq(client, freq); |
| 426 | |
| 427 | if (is_cx2388x(state)) |
| 428 | return cx23885_set_audclk_freq(client, freq); |
| 429 | |
| 430 | if (is_cx2583x(state)) |
| 431 | return cx25836_set_audclk_freq(client, freq); |
| 432 | |
| 433 | return cx25840_set_audclk_freq(client, freq); |
| 434 | } |
| 435 | |
Hans Verkuil | a8bbf12 | 2006-01-09 15:25:42 -0200 | [diff] [blame] | 436 | void cx25840_audio_set_path(struct i2c_client *client) |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 437 | { |
Hans Verkuil | 9357b31 | 2008-11-29 12:50:06 -0300 | [diff] [blame] | 438 | struct cx25840_state *state = to_state(i2c_get_clientdata(client)); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 439 | |
Sven Barth | 5af79f8 | 2010-07-10 15:02:21 -0300 | [diff] [blame] | 440 | if (!is_cx2583x(state)) { |
| 441 | /* assert soft reset */ |
| 442 | cx25840_and_or(client, 0x810, ~0x1, 0x01); |
Hans Verkuil | 8267761 | 2007-08-07 07:16:07 -0300 | [diff] [blame] | 443 | |
Sven Barth | 5af79f8 | 2010-07-10 15:02:21 -0300 | [diff] [blame] | 444 | /* stop microcontroller */ |
| 445 | cx25840_and_or(client, 0x803, ~0x10, 0); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 446 | |
Sven Barth | 5af79f8 | 2010-07-10 15:02:21 -0300 | [diff] [blame] | 447 | /* Mute everything to prevent the PFFT! */ |
| 448 | cx25840_write(client, 0x8d3, 0x1f); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 449 | |
Sven Barth | 5af79f8 | 2010-07-10 15:02:21 -0300 | [diff] [blame] | 450 | if (state->aud_input == CX25840_AUDIO_SERIAL) { |
| 451 | /* Set Path1 to Serial Audio Input */ |
| 452 | cx25840_write4(client, 0x8d0, 0x01011012); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 453 | |
Sven Barth | 5af79f8 | 2010-07-10 15:02:21 -0300 | [diff] [blame] | 454 | /* The microcontroller should not be started for the |
| 455 | * non-tuner inputs: autodetection is specific for |
| 456 | * TV audio. */ |
| 457 | } else { |
| 458 | /* Set Path1 to Analog Demod Main Channel */ |
| 459 | cx25840_write4(client, 0x8d0, 0x1f063870); |
| 460 | } |
Hans Verkuil | c0c044a | 2006-04-29 12:11:18 -0300 | [diff] [blame] | 461 | } |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 462 | |
Hans Verkuil | c0c044a | 2006-04-29 12:11:18 -0300 | [diff] [blame] | 463 | set_audclk_freq(client, state->audclk_freq); |
| 464 | |
Sven Barth | 5af79f8 | 2010-07-10 15:02:21 -0300 | [diff] [blame] | 465 | if (!is_cx2583x(state)) { |
| 466 | if (state->aud_input != CX25840_AUDIO_SERIAL) { |
| 467 | /* When the microcontroller detects the |
| 468 | * audio format, it will unmute the lines */ |
| 469 | cx25840_and_or(client, 0x803, ~0x10, 0x10); |
| 470 | } |
| 471 | |
| 472 | /* deassert soft reset */ |
| 473 | cx25840_and_or(client, 0x810, ~0x1, 0x00); |
| 474 | |
| 475 | /* Ensure the controller is running when we exit */ |
| 476 | if (is_cx2388x(state) || is_cx231xx(state)) |
| 477 | cx25840_and_or(client, 0x803, ~0x10, 0x10); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 478 | } |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 479 | } |
| 480 | |
Hans Verkuil | d92c20e | 2006-01-09 15:32:41 -0200 | [diff] [blame] | 481 | static void set_volume(struct i2c_client *client, int volume) |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 482 | { |
Hans Verkuil | 87410da | 2007-08-05 08:00:36 -0300 | [diff] [blame] | 483 | int vol; |
| 484 | |
Hans Verkuil | 87410da | 2007-08-05 08:00:36 -0300 | [diff] [blame] | 485 | /* Convert the volume to msp3400 values (0-127) */ |
| 486 | vol = volume >> 9; |
| 487 | |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 488 | /* now scale it up to cx25840 values |
| 489 | * -114dB to -96dB maps to 0 |
| 490 | * this should be 19, but in my testing that was 4dB too loud */ |
| 491 | if (vol <= 23) { |
| 492 | vol = 0; |
| 493 | } else { |
| 494 | vol -= 23; |
| 495 | } |
| 496 | |
| 497 | /* PATH1_VOLUME */ |
| 498 | cx25840_write(client, 0x8d4, 228 - (vol * 2)); |
| 499 | } |
| 500 | |
Hans Verkuil | d92c20e | 2006-01-09 15:32:41 -0200 | [diff] [blame] | 501 | static void set_balance(struct i2c_client *client, int balance) |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 502 | { |
| 503 | int bal = balance >> 8; |
| 504 | if (bal > 0x80) { |
| 505 | /* PATH1_BAL_LEFT */ |
| 506 | cx25840_and_or(client, 0x8d5, 0x7f, 0x80); |
| 507 | /* PATH1_BAL_LEVEL */ |
| 508 | cx25840_and_or(client, 0x8d5, ~0x7f, bal & 0x7f); |
| 509 | } else { |
| 510 | /* PATH1_BAL_LEFT */ |
| 511 | cx25840_and_or(client, 0x8d5, 0x7f, 0x00); |
| 512 | /* PATH1_BAL_LEVEL */ |
| 513 | cx25840_and_or(client, 0x8d5, ~0x7f, 0x80 - bal); |
| 514 | } |
| 515 | } |
| 516 | |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 517 | int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq) |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 518 | { |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 519 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 520 | struct cx25840_state *state = to_state(sd); |
Hans Verkuil | c0c044a | 2006-04-29 12:11:18 -0300 | [diff] [blame] | 521 | int retval; |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 522 | |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 523 | if (!is_cx2583x(state)) |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 524 | cx25840_and_or(client, 0x810, ~0x1, 1); |
| 525 | if (state->aud_input != CX25840_AUDIO_SERIAL) { |
| 526 | cx25840_and_or(client, 0x803, ~0x10, 0); |
| 527 | cx25840_write(client, 0x8d3, 0x1f); |
| 528 | } |
| 529 | retval = set_audclk_freq(client, freq); |
| 530 | if (state->aud_input != CX25840_AUDIO_SERIAL) |
| 531 | cx25840_and_or(client, 0x803, ~0x10, 0x10); |
Andy Walls | 2a03f03 | 2009-09-26 23:47:21 -0300 | [diff] [blame] | 532 | if (!is_cx2583x(state)) |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 533 | cx25840_and_or(client, 0x810, ~0x1, 0); |
| 534 | return retval; |
| 535 | } |
Hans Verkuil | a8bbf12 | 2006-01-09 15:25:42 -0200 | [diff] [blame] | 536 | |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 537 | static int cx25840_audio_s_ctrl(struct v4l2_ctrl *ctrl) |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 538 | { |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 539 | struct v4l2_subdev *sd = to_sd(ctrl); |
| 540 | struct cx25840_state *state = to_state(sd); |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 541 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 542 | |
| 543 | switch (ctrl->id) { |
| 544 | case V4L2_CID_AUDIO_VOLUME: |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 545 | if (state->mute->val) |
| 546 | set_volume(client, 0); |
| 547 | else |
| 548 | set_volume(client, state->volume->val); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 549 | break; |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 550 | case V4L2_CID_AUDIO_BASS: |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 551 | /* PATH1_EQ_BASS_VOL */ |
| 552 | cx25840_and_or(client, 0x8d9, ~0x3f, |
| 553 | 48 - (ctrl->val * 48 / 0xffff)); |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 554 | break; |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 555 | case V4L2_CID_AUDIO_TREBLE: |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 556 | /* PATH1_EQ_TREBLE_VOL */ |
| 557 | cx25840_and_or(client, 0x8db, ~0x3f, |
| 558 | 48 - (ctrl->val * 48 / 0xffff)); |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 559 | break; |
| 560 | case V4L2_CID_AUDIO_BALANCE: |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 561 | set_balance(client, ctrl->val); |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 562 | break; |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 563 | default: |
| 564 | return -EINVAL; |
| 565 | } |
Hans Verkuil | df1d5ed | 2009-03-30 06:26:40 -0300 | [diff] [blame] | 566 | return 0; |
| 567 | } |
Hans Verkuil | bd98516 | 2005-11-13 16:07:56 -0800 | [diff] [blame] | 568 | |
Hans Verkuil | e34e658 | 2010-08-06 10:55:39 -0300 | [diff] [blame] | 569 | const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops = { |
| 570 | .s_ctrl = cx25840_audio_s_ctrl, |
| 571 | }; |