Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * patch_intelhdmi.c - Patch for Intel HDMI codecs |
| 4 | * |
| 5 | * Copyright(c) 2008 Intel Corporation. All rights reserved. |
| 6 | * |
| 7 | * Authors: |
| 8 | * Jiang Zhe <zhe.jiang@intel.com> |
| 9 | * Wu Fengguang <wfg@linux.intel.com> |
| 10 | * |
| 11 | * Maintained by: |
| 12 | * Wu Fengguang <wfg@linux.intel.com> |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify it |
| 15 | * under the terms of the GNU General Public License as published by the Free |
| 16 | * Software Foundation; either version 2 of the License, or (at your option) |
| 17 | * any later version. |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, but |
| 20 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 21 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 22 | * for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with this program; if not, write to the Free Software Foundation, |
| 26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 27 | */ |
| 28 | |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/slab.h> |
| 32 | #include <sound/core.h> |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 33 | #include "hda_codec.h" |
| 34 | #include "hda_local.h" |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 35 | |
| 36 | #define CVT_NID 0x02 /* audio converter */ |
| 37 | #define PIN_NID 0x03 /* HDMI output pin */ |
| 38 | |
| 39 | #define INTEL_HDMI_EVENT_TAG 0x08 |
| 40 | |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 41 | struct intel_hdmi_spec { |
| 42 | struct hda_multi_out multiout; |
| 43 | struct hda_pcm pcm_rec; |
Wu Fengguang | 5b87ebb | 2008-11-19 15:14:00 +0800 | [diff] [blame] | 44 | struct hdmi_eld sink_eld; |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 45 | }; |
| 46 | |
| 47 | static struct hda_verb pinout_enable_verb[] = { |
| 48 | {PIN_NID, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, |
| 49 | {} /* terminator */ |
| 50 | }; |
| 51 | |
| 52 | static struct hda_verb pinout_disable_verb[] = { |
| 53 | {PIN_NID, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x00}, |
| 54 | {} |
| 55 | }; |
| 56 | |
| 57 | static struct hda_verb unsolicited_response_verb[] = { |
| 58 | {PIN_NID, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | |
| 59 | INTEL_HDMI_EVENT_TAG}, |
| 60 | {} |
| 61 | }; |
| 62 | |
| 63 | static struct hda_verb def_chan_map[] = { |
| 64 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x00}, |
| 65 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x11}, |
| 66 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x22}, |
| 67 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x33}, |
| 68 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x44}, |
| 69 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x55}, |
| 70 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x66}, |
| 71 | {CVT_NID, AC_VERB_SET_HDMI_CHAN_SLOT, 0x77}, |
| 72 | {} |
| 73 | }; |
| 74 | |
| 75 | |
| 76 | struct hdmi_audio_infoframe { |
| 77 | u8 type; /* 0x84 */ |
| 78 | u8 ver; /* 0x01 */ |
| 79 | u8 len; /* 0x0a */ |
| 80 | |
| 81 | u8 checksum; /* PB0 */ |
| 82 | u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */ |
| 83 | u8 SS01_SF24; |
| 84 | u8 CXT04; |
| 85 | u8 CA; |
| 86 | u8 LFEPBL01_LSV36_DM_INH7; |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 87 | u8 reserved[5]; /* PB6 - PB10 */ |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | /* |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 91 | * CEA speaker placement: |
| 92 | * |
| 93 | * FLH FCH FRH |
| 94 | * FLW FL FLC FC FRC FR FRW |
| 95 | * |
| 96 | * LFE |
| 97 | * TC |
| 98 | * |
| 99 | * RL RLC RC RRC RR |
| 100 | * |
| 101 | * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to |
| 102 | * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC. |
| 103 | */ |
| 104 | enum cea_speaker_placement { |
| 105 | FL = (1 << 0), /* Front Left */ |
| 106 | FC = (1 << 1), /* Front Center */ |
| 107 | FR = (1 << 2), /* Front Right */ |
| 108 | FLC = (1 << 3), /* Front Left Center */ |
| 109 | FRC = (1 << 4), /* Front Right Center */ |
| 110 | RL = (1 << 5), /* Rear Left */ |
| 111 | RC = (1 << 6), /* Rear Center */ |
| 112 | RR = (1 << 7), /* Rear Right */ |
| 113 | RLC = (1 << 8), /* Rear Left Center */ |
| 114 | RRC = (1 << 9), /* Rear Right Center */ |
| 115 | LFE = (1 << 10), /* Low Frequency Effect */ |
| 116 | FLW = (1 << 11), /* Front Left Wide */ |
| 117 | FRW = (1 << 12), /* Front Right Wide */ |
| 118 | FLH = (1 << 13), /* Front Left High */ |
| 119 | FCH = (1 << 14), /* Front Center High */ |
| 120 | FRH = (1 << 15), /* Front Right High */ |
| 121 | TC = (1 << 16), /* Top Center */ |
| 122 | }; |
| 123 | |
| 124 | /* |
| 125 | * ELD SA bits in the CEA Speaker Allocation data block |
| 126 | */ |
| 127 | static int eld_speaker_allocation_bits[] = { |
| 128 | [0] = FL | FR, |
| 129 | [1] = LFE, |
| 130 | [2] = FC, |
| 131 | [3] = RL | RR, |
| 132 | [4] = RC, |
| 133 | [5] = FLC | FRC, |
| 134 | [6] = RLC | RRC, |
| 135 | /* the following are not defined in ELD yet */ |
| 136 | [7] = FLW | FRW, |
| 137 | [8] = FLH | FRH, |
| 138 | [9] = TC, |
| 139 | [10] = FCH, |
| 140 | }; |
| 141 | |
| 142 | struct cea_channel_speaker_allocation { |
| 143 | int ca_index; |
| 144 | int speakers[8]; |
| 145 | |
| 146 | /* derived values, just for convenience */ |
| 147 | int channels; |
| 148 | int spk_mask; |
| 149 | }; |
| 150 | |
| 151 | /* |
| 152 | * This is an ordered list! |
| 153 | * |
| 154 | * The preceding ones have better chances to be selected by |
| 155 | * hdmi_setup_channel_allocation(). |
| 156 | */ |
| 157 | static struct cea_channel_speaker_allocation channel_allocations[] = { |
| 158 | /* channel: 8 7 6 5 4 3 2 1 */ |
| 159 | { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } }, |
| 160 | /* 2.1 */ |
| 161 | { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } }, |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 162 | /* Dolby Surround */ |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 163 | { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } }, |
| 164 | { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } }, |
| 165 | { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } }, |
| 166 | { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } }, |
| 167 | { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } }, |
| 168 | { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } }, |
| 169 | { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } }, |
| 170 | { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } }, |
| 171 | { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } }, |
| 172 | /* 5.1 */ |
| 173 | { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } }, |
| 174 | { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } }, |
| 175 | { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } }, |
| 176 | { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } }, |
| 177 | /* 6.1 */ |
| 178 | { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } }, |
| 179 | { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } }, |
| 180 | { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } }, |
| 181 | { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } }, |
| 182 | /* 7.1 */ |
| 183 | { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } }, |
| 184 | { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } }, |
| 185 | { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } }, |
| 186 | { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } }, |
| 187 | { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } }, |
| 188 | { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } }, |
| 189 | { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } }, |
| 190 | { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } }, |
| 191 | { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } }, |
| 192 | { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } }, |
| 193 | { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } }, |
| 194 | { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } }, |
| 195 | { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } }, |
| 196 | { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } }, |
| 197 | { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } }, |
| 198 | { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } }, |
| 199 | { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } }, |
| 200 | { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } }, |
| 201 | { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } }, |
| 202 | { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } }, |
| 203 | { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } }, |
| 204 | { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } }, |
| 205 | { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } }, |
| 206 | { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } }, |
| 207 | { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } }, |
| 208 | { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } }, |
| 209 | { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } }, |
| 210 | { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } }, |
| 211 | { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } }, |
| 212 | { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } }, |
| 213 | { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } }, |
| 214 | }; |
| 215 | |
| 216 | /* |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 217 | * HDMI routines |
| 218 | */ |
| 219 | |
Takashi Iwai | beb0b9cf | 2008-11-05 07:58:25 +0100 | [diff] [blame] | 220 | #ifdef BE_PARANOID |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 221 | static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t nid, |
| 222 | int *packet_index, int *byte_index) |
| 223 | { |
| 224 | int val; |
| 225 | |
| 226 | val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_INDEX, 0); |
| 227 | |
| 228 | *packet_index = val >> 5; |
| 229 | *byte_index = val & 0x1f; |
| 230 | } |
Takashi Iwai | beb0b9cf | 2008-11-05 07:58:25 +0100 | [diff] [blame] | 231 | #endif |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 232 | |
| 233 | static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t nid, |
| 234 | int packet_index, int byte_index) |
| 235 | { |
| 236 | int val; |
| 237 | |
| 238 | val = (packet_index << 5) | (byte_index & 0x1f); |
| 239 | |
| 240 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); |
| 241 | } |
| 242 | |
| 243 | static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t nid, |
| 244 | unsigned char val) |
| 245 | { |
| 246 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val); |
| 247 | } |
| 248 | |
| 249 | static void hdmi_enable_output(struct hda_codec *codec) |
| 250 | { |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 251 | /* Enable Audio InfoFrame Transmission */ |
| 252 | hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0); |
| 253 | snd_hda_codec_write(codec, PIN_NID, 0, AC_VERB_SET_HDMI_DIP_XMIT, |
| 254 | AC_DIPXMIT_BEST); |
Wu Fengguang | 796359d | 2008-11-17 16:57:33 +0800 | [diff] [blame] | 255 | /* Unmute */ |
| 256 | if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP) |
| 257 | snd_hda_codec_write(codec, PIN_NID, 0, |
| 258 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); |
| 259 | /* Enable pin out */ |
| 260 | snd_hda_sequence_write(codec, pinout_enable_verb); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | static void hdmi_disable_output(struct hda_codec *codec) |
| 264 | { |
| 265 | snd_hda_sequence_write(codec, pinout_disable_verb); |
| 266 | if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP) |
| 267 | snd_hda_codec_write(codec, PIN_NID, 0, |
| 268 | AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |
| 269 | |
| 270 | /* |
| 271 | * FIXME: noises may arise when playing music after reloading the |
| 272 | * kernel module, until the next X restart or monitor repower. |
| 273 | */ |
| 274 | } |
| 275 | |
| 276 | static int hdmi_get_channel_count(struct hda_codec *codec) |
| 277 | { |
| 278 | return 1 + snd_hda_codec_read(codec, CVT_NID, 0, |
| 279 | AC_VERB_GET_CVT_CHAN_COUNT, 0); |
| 280 | } |
| 281 | |
| 282 | static void hdmi_set_channel_count(struct hda_codec *codec, int chs) |
| 283 | { |
| 284 | snd_hda_codec_write(codec, CVT_NID, 0, |
| 285 | AC_VERB_SET_CVT_CHAN_COUNT, chs - 1); |
| 286 | |
| 287 | if (chs != hdmi_get_channel_count(codec)) |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 288 | snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n", |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 289 | chs, hdmi_get_channel_count(codec)); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 290 | } |
| 291 | |
Wu Fengguang | 9c8641e | 2008-11-19 08:56:18 +0800 | [diff] [blame] | 292 | static void hdmi_debug_channel_mapping(struct hda_codec *codec) |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 293 | { |
| 294 | #ifdef CONFIG_SND_DEBUG_VERBOSE |
| 295 | int i; |
| 296 | int slot; |
| 297 | |
| 298 | for (i = 0; i < 8; i++) { |
| 299 | slot = snd_hda_codec_read(codec, CVT_NID, 0, |
| 300 | AC_VERB_GET_HDMI_CHAN_SLOT, i); |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 301 | printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n", |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 302 | slot >> 4, slot & 0x7); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 303 | } |
| 304 | #endif |
| 305 | } |
| 306 | |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 307 | static void hdmi_parse_eld(struct hda_codec *codec) |
| 308 | { |
Wu Fengguang | 7f4a9f4 | 2008-11-18 11:47:52 +0800 | [diff] [blame] | 309 | struct intel_hdmi_spec *spec = codec->spec; |
Wu Fengguang | 5b87ebb | 2008-11-19 15:14:00 +0800 | [diff] [blame] | 310 | struct hdmi_eld *eld = &spec->sink_eld; |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 311 | |
Wu Fengguang | 7f4a9f4 | 2008-11-18 11:47:52 +0800 | [diff] [blame] | 312 | if (!snd_hdmi_get_eld(eld, codec, PIN_NID)) |
| 313 | snd_hdmi_show_eld(eld); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | |
| 317 | /* |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 318 | * Audio InfoFrame routines |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 319 | */ |
| 320 | |
| 321 | static void hdmi_debug_dip_size(struct hda_codec *codec) |
| 322 | { |
| 323 | #ifdef CONFIG_SND_DEBUG_VERBOSE |
| 324 | int i; |
| 325 | int size; |
| 326 | |
Wu Fengguang | 7f4a9f4 | 2008-11-18 11:47:52 +0800 | [diff] [blame] | 327 | size = snd_hdmi_get_eld_size(codec, PIN_NID); |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 328 | printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 329 | |
| 330 | for (i = 0; i < 8; i++) { |
| 331 | size = snd_hda_codec_read(codec, PIN_NID, 0, |
| 332 | AC_VERB_GET_HDMI_DIP_SIZE, i); |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 333 | printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 334 | } |
| 335 | #endif |
| 336 | } |
| 337 | |
| 338 | static void hdmi_clear_dip_buffers(struct hda_codec *codec) |
| 339 | { |
| 340 | #ifdef BE_PARANOID |
| 341 | int i, j; |
| 342 | int size; |
| 343 | int pi, bi; |
| 344 | for (i = 0; i < 8; i++) { |
| 345 | size = snd_hda_codec_read(codec, PIN_NID, 0, |
| 346 | AC_VERB_GET_HDMI_DIP_SIZE, i); |
| 347 | if (size == 0) |
| 348 | continue; |
| 349 | |
| 350 | hdmi_set_dip_index(codec, PIN_NID, i, 0x0); |
| 351 | for (j = 1; j < 1000; j++) { |
| 352 | hdmi_write_dip_byte(codec, PIN_NID, 0x0); |
| 353 | hdmi_get_dip_index(codec, PIN_NID, &pi, &bi); |
| 354 | if (pi != i) |
| 355 | snd_printd(KERN_INFO "dip index %d: %d != %d\n", |
| 356 | bi, pi, i); |
| 357 | if (bi == 0) /* byte index wrapped around */ |
| 358 | break; |
| 359 | } |
| 360 | snd_printd(KERN_INFO |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 361 | "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n", |
| 362 | i, size, j); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 363 | } |
| 364 | #endif |
| 365 | } |
| 366 | |
Wu Fengguang | 5457a98 | 2008-11-19 08:56:15 +0800 | [diff] [blame] | 367 | static void hdmi_fill_audio_infoframe(struct hda_codec *codec, |
| 368 | struct hdmi_audio_infoframe *ai) |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 369 | { |
Wu Fengguang | 5457a98 | 2008-11-19 08:56:15 +0800 | [diff] [blame] | 370 | u8 *params = (u8 *)ai; |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 371 | int i; |
| 372 | |
| 373 | hdmi_debug_dip_size(codec); |
| 374 | hdmi_clear_dip_buffers(codec); /* be paranoid */ |
| 375 | |
| 376 | hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0); |
Wu Fengguang | 5457a98 | 2008-11-19 08:56:15 +0800 | [diff] [blame] | 377 | for (i = 0; i < sizeof(ai); i++) |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 378 | hdmi_write_dip_byte(codec, PIN_NID, params[i]); |
| 379 | } |
| 380 | |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 381 | /* |
| 382 | * Compute derived values in channel_allocations[]. |
| 383 | */ |
| 384 | static void init_channel_allocations(void) |
| 385 | { |
| 386 | int i, j; |
| 387 | struct cea_channel_speaker_allocation *p; |
| 388 | |
| 389 | for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { |
| 390 | p = channel_allocations + i; |
| 391 | p->channels = 0; |
| 392 | p->spk_mask = 0; |
| 393 | for (j = 0; j < ARRAY_SIZE(p->speakers); j++) |
| 394 | if (p->speakers[j]) { |
| 395 | p->channels++; |
| 396 | p->spk_mask |= p->speakers[j]; |
| 397 | } |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | /* |
| 402 | * The transformation takes two steps: |
| 403 | * |
| 404 | * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask |
| 405 | * spk_mask => (channel_allocations[]) => ai->CA |
| 406 | * |
| 407 | * TODO: it could select the wrong CA from multiple candidates. |
| 408 | */ |
| 409 | static int hdmi_setup_channel_allocation(struct hda_codec *codec, |
| 410 | struct hdmi_audio_infoframe *ai) |
| 411 | { |
| 412 | struct intel_hdmi_spec *spec = codec->spec; |
Wu Fengguang | 5b87ebb | 2008-11-19 15:14:00 +0800 | [diff] [blame] | 413 | struct hdmi_eld *eld = &spec->sink_eld; |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 414 | int i; |
| 415 | int spk_mask = 0; |
| 416 | int channels = 1 + (ai->CC02_CT47 & 0x7); |
| 417 | char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE]; |
| 418 | |
| 419 | /* |
| 420 | * CA defaults to 0 for basic stereo audio |
| 421 | */ |
| 422 | if (!eld->eld_ver) |
| 423 | return 0; |
| 424 | if (!eld->spk_alloc) |
| 425 | return 0; |
| 426 | if (channels <= 2) |
| 427 | return 0; |
| 428 | |
| 429 | /* |
| 430 | * expand ELD's speaker allocation mask |
| 431 | * |
| 432 | * ELD tells the speaker mask in a compact(paired) form, |
Wu Fengguang | b83923a | 2008-11-22 09:40:51 +0800 | [diff] [blame] | 433 | * expand ELD's notions to match the ones used by Audio InfoFrame. |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 434 | */ |
| 435 | for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) { |
| 436 | if (eld->spk_alloc & (1 << i)) |
| 437 | spk_mask |= eld_speaker_allocation_bits[i]; |
| 438 | } |
| 439 | |
| 440 | /* search for the first working match in the CA table */ |
| 441 | for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { |
| 442 | if (channels == channel_allocations[i].channels && |
| 443 | (spk_mask & channel_allocations[i].spk_mask) == |
| 444 | channel_allocations[i].spk_mask) { |
| 445 | ai->CA = channel_allocations[i].ca_index; |
Wu Fengguang | cc02b83 | 2008-11-22 09:40:52 +0800 | [diff] [blame] | 446 | break; |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 447 | } |
| 448 | } |
| 449 | |
| 450 | snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf)); |
Wu Fengguang | cc02b83 | 2008-11-22 09:40:52 +0800 | [diff] [blame] | 451 | snd_printdd(KERN_INFO |
| 452 | "HDMI: select CA 0x%x for %d-channel allocation: %s\n", |
| 453 | ai->CA, channels, buf); |
| 454 | |
| 455 | return ai->CA; |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 456 | } |
| 457 | |
Wu Fengguang | 9c8641e | 2008-11-19 08:56:18 +0800 | [diff] [blame] | 458 | static void hdmi_setup_channel_mapping(struct hda_codec *codec, |
| 459 | struct hdmi_audio_infoframe *ai) |
| 460 | { |
| 461 | if (!ai->CA) |
| 462 | return; |
| 463 | |
| 464 | /* |
| 465 | * TODO: adjust channel mapping if necessary |
| 466 | * ALSA sequence is front/surr/clfe/side? |
| 467 | */ |
| 468 | |
| 469 | snd_hda_sequence_write(codec, def_chan_map); |
| 470 | hdmi_debug_channel_mapping(codec); |
| 471 | } |
| 472 | |
| 473 | |
Wu Fengguang | 5457a98 | 2008-11-19 08:56:15 +0800 | [diff] [blame] | 474 | static void hdmi_setup_audio_infoframe(struct hda_codec *codec, |
| 475 | struct snd_pcm_substream *substream) |
| 476 | { |
| 477 | struct hdmi_audio_infoframe ai = { |
| 478 | .type = 0x84, |
| 479 | .ver = 0x01, |
| 480 | .len = 0x0a, |
| 481 | .CC02_CT47 = substream->runtime->channels - 1, |
| 482 | }; |
| 483 | |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 484 | hdmi_setup_channel_allocation(codec, &ai); |
Wu Fengguang | 9c8641e | 2008-11-19 08:56:18 +0800 | [diff] [blame] | 485 | hdmi_setup_channel_mapping(codec, &ai); |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 486 | |
Wu Fengguang | 5457a98 | 2008-11-19 08:56:15 +0800 | [diff] [blame] | 487 | hdmi_fill_audio_infoframe(codec, &ai); |
| 488 | } |
| 489 | |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 490 | |
| 491 | /* |
| 492 | * Unsolicited events |
| 493 | */ |
| 494 | |
| 495 | static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) |
| 496 | { |
| 497 | int pind = !!(res & AC_UNSOL_RES_PD); |
| 498 | int eldv = !!(res & AC_UNSOL_RES_ELDV); |
| 499 | |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 500 | printk(KERN_INFO |
| 501 | "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n", |
| 502 | pind, eldv); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 503 | |
| 504 | if (pind && eldv) { |
| 505 | hdmi_parse_eld(codec); |
| 506 | /* TODO: do real things about ELD */ |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) |
| 511 | { |
| 512 | int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; |
| 513 | int cp_state = !!(res & AC_UNSOL_RES_CP_STATE); |
| 514 | int cp_ready = !!(res & AC_UNSOL_RES_CP_READY); |
| 515 | |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 516 | printk(KERN_INFO |
| 517 | "HDMI content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n", |
| 518 | subtag, |
| 519 | cp_state, |
| 520 | cp_ready); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 521 | |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 522 | /* TODO */ |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 523 | if (cp_state) |
| 524 | ; |
| 525 | if (cp_ready) |
| 526 | ; |
| 527 | } |
| 528 | |
| 529 | |
| 530 | static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res) |
| 531 | { |
| 532 | int tag = res >> AC_UNSOL_RES_TAG_SHIFT; |
| 533 | int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; |
| 534 | |
| 535 | if (tag != INTEL_HDMI_EVENT_TAG) { |
Wu Fengguang | 03284c8 | 2008-11-22 09:40:53 +0800 | [diff] [blame] | 536 | snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 537 | return; |
| 538 | } |
| 539 | |
| 540 | if (subtag == 0) |
| 541 | hdmi_intrinsic_event(codec, res); |
| 542 | else |
| 543 | hdmi_non_intrinsic_event(codec, res); |
| 544 | } |
| 545 | |
| 546 | /* |
| 547 | * Callbacks |
| 548 | */ |
| 549 | |
| 550 | static int intel_hdmi_playback_pcm_open(struct hda_pcm_stream *hinfo, |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 551 | struct hda_codec *codec, |
| 552 | struct snd_pcm_substream *substream) |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 553 | { |
| 554 | struct intel_hdmi_spec *spec = codec->spec; |
| 555 | |
| 556 | return snd_hda_multi_out_dig_open(codec, &spec->multiout); |
| 557 | } |
| 558 | |
| 559 | static int intel_hdmi_playback_pcm_close(struct hda_pcm_stream *hinfo, |
Wu Fengguang | 4e19c58 | 2008-11-19 15:13:59 +0800 | [diff] [blame] | 560 | struct hda_codec *codec, |
| 561 | struct snd_pcm_substream *substream) |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 562 | { |
| 563 | struct intel_hdmi_spec *spec = codec->spec; |
| 564 | |
| 565 | hdmi_disable_output(codec); |
| 566 | |
| 567 | return snd_hda_multi_out_dig_close(codec, &spec->multiout); |
| 568 | } |
| 569 | |
| 570 | static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, |
| 571 | struct hda_codec *codec, |
| 572 | unsigned int stream_tag, |
| 573 | unsigned int format, |
| 574 | struct snd_pcm_substream *substream) |
| 575 | { |
| 576 | struct intel_hdmi_spec *spec = codec->spec; |
| 577 | |
| 578 | snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag, |
| 579 | format, substream); |
| 580 | |
| 581 | hdmi_set_channel_count(codec, substream->runtime->channels); |
| 582 | |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 583 | hdmi_setup_audio_infoframe(codec, substream); |
| 584 | |
| 585 | hdmi_enable_output(codec); |
| 586 | |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | static struct hda_pcm_stream intel_hdmi_pcm_playback = { |
| 591 | .substreams = 1, |
| 592 | .channels_min = 2, |
| 593 | .channels_max = 8, |
| 594 | .nid = CVT_NID, /* NID to query formats and rates and setup streams */ |
| 595 | .ops = { |
Wu Fengguang | b83923a | 2008-11-22 09:40:51 +0800 | [diff] [blame] | 596 | .open = intel_hdmi_playback_pcm_open, |
| 597 | .close = intel_hdmi_playback_pcm_close, |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 598 | .prepare = intel_hdmi_playback_pcm_prepare |
| 599 | }, |
| 600 | }; |
| 601 | |
| 602 | static int intel_hdmi_build_pcms(struct hda_codec *codec) |
| 603 | { |
| 604 | struct intel_hdmi_spec *spec = codec->spec; |
| 605 | struct hda_pcm *info = &spec->pcm_rec; |
| 606 | |
| 607 | codec->num_pcms = 1; |
| 608 | codec->pcm_info = info; |
| 609 | |
| 610 | info->name = "INTEL HDMI"; |
| 611 | info->pcm_type = HDA_PCM_TYPE_HDMI; |
| 612 | info->stream[SNDRV_PCM_STREAM_PLAYBACK] = intel_hdmi_pcm_playback; |
| 613 | |
| 614 | return 0; |
| 615 | } |
| 616 | |
| 617 | static int intel_hdmi_build_controls(struct hda_codec *codec) |
| 618 | { |
| 619 | struct intel_hdmi_spec *spec = codec->spec; |
| 620 | int err; |
| 621 | |
| 622 | err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid); |
| 623 | if (err < 0) |
| 624 | return err; |
| 625 | |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | static int intel_hdmi_init(struct hda_codec *codec) |
| 630 | { |
| 631 | /* disable audio output as early as possible */ |
| 632 | hdmi_disable_output(codec); |
| 633 | |
| 634 | snd_hda_sequence_write(codec, unsolicited_response_verb); |
| 635 | |
| 636 | return 0; |
| 637 | } |
| 638 | |
| 639 | static void intel_hdmi_free(struct hda_codec *codec) |
| 640 | { |
Takashi Iwai | f208dba | 2008-11-21 09:11:50 +0100 | [diff] [blame] | 641 | struct intel_hdmi_spec *spec = codec->spec; |
| 642 | |
| 643 | snd_hda_eld_proc_free(codec, &spec->sink_eld); |
| 644 | kfree(spec); |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | static struct hda_codec_ops intel_hdmi_patch_ops = { |
| 648 | .init = intel_hdmi_init, |
| 649 | .free = intel_hdmi_free, |
| 650 | .build_pcms = intel_hdmi_build_pcms, |
| 651 | .build_controls = intel_hdmi_build_controls, |
| 652 | .unsol_event = intel_hdmi_unsol_event, |
| 653 | }; |
| 654 | |
| 655 | static int patch_intel_hdmi(struct hda_codec *codec) |
| 656 | { |
| 657 | struct intel_hdmi_spec *spec; |
| 658 | |
| 659 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
| 660 | if (spec == NULL) |
| 661 | return -ENOMEM; |
| 662 | |
| 663 | spec->multiout.num_dacs = 0; /* no analog */ |
| 664 | spec->multiout.max_channels = 8; |
| 665 | spec->multiout.dig_out_nid = CVT_NID; |
| 666 | |
| 667 | codec->spec = spec; |
| 668 | codec->patch_ops = intel_hdmi_patch_ops; |
| 669 | |
Wu Fengguang | 5b87ebb | 2008-11-19 15:14:00 +0800 | [diff] [blame] | 670 | snd_hda_eld_proc_new(codec, &spec->sink_eld); |
Wu Fengguang | 5f1e71b | 2008-11-18 11:47:53 +0800 | [diff] [blame] | 671 | |
Wu Fengguang | 698544d | 2008-11-19 08:56:17 +0800 | [diff] [blame] | 672 | init_channel_allocations(); |
| 673 | |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 674 | return 0; |
| 675 | } |
| 676 | |
Takashi Iwai | 1289e9e | 2008-11-27 15:47:11 +0100 | [diff] [blame] | 677 | static struct hda_codec_preset snd_hda_preset_intelhdmi[] = { |
Takashi Iwai | 74c6113 | 2008-12-18 09:11:33 +0100 | [diff] [blame] | 678 | { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi }, |
| 679 | { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi }, |
| 680 | { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi }, |
| 681 | { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi }, |
Wu Fengguang | 3a95cb9 | 2008-11-13 10:19:38 +0800 | [diff] [blame] | 682 | { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi }, |
Wu, Fengguang | 9150487 | 2008-11-05 11:16:56 +0800 | [diff] [blame] | 683 | {} /* terminator */ |
| 684 | }; |
Takashi Iwai | 1289e9e | 2008-11-27 15:47:11 +0100 | [diff] [blame] | 685 | |
| 686 | MODULE_ALIAS("snd-hda-codec-id:808629fb"); |
| 687 | MODULE_ALIAS("snd-hda-codec-id:80862801"); |
| 688 | MODULE_ALIAS("snd-hda-codec-id:80862802"); |
| 689 | MODULE_ALIAS("snd-hda-codec-id:80862803"); |
| 690 | MODULE_ALIAS("snd-hda-codec-id:10951392"); |
| 691 | |
| 692 | MODULE_LICENSE("GPL"); |
| 693 | MODULE_DESCRIPTION("Intel HDMI HD-audio codec"); |
| 694 | |
| 695 | static struct hda_codec_preset_list intel_list = { |
| 696 | .preset = snd_hda_preset_intelhdmi, |
| 697 | .owner = THIS_MODULE, |
| 698 | }; |
| 699 | |
| 700 | static int __init patch_intelhdmi_init(void) |
| 701 | { |
| 702 | return snd_hda_add_codec_preset(&intel_list); |
| 703 | } |
| 704 | |
| 705 | static void __exit patch_intelhdmi_exit(void) |
| 706 | { |
| 707 | snd_hda_delete_codec_preset(&intel_list); |
| 708 | } |
| 709 | |
| 710 | module_init(patch_intelhdmi_init) |
| 711 | module_exit(patch_intelhdmi_exit) |