| /* | 
 |  * | 
 |  *  patch_hdmi.c - routines for HDMI/DisplayPort codecs | 
 |  * | 
 |  *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved. | 
 |  *  Copyright (c) 2006 ATI Technologies Inc. | 
 |  *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved. | 
 |  *  Copyright (c) 2008 Wei Ni <wni@nvidia.com> | 
 |  * | 
 |  *  Authors: | 
 |  *			Wu Fengguang <wfg@linux.intel.com> | 
 |  * | 
 |  *  Maintained by: | 
 |  *			Wu Fengguang <wfg@linux.intel.com> | 
 |  * | 
 |  *  This program is free software; you can redistribute it and/or modify it | 
 |  *  under the terms of the GNU General Public License as published by the Free | 
 |  *  Software Foundation; either version 2 of the License, or (at your option) | 
 |  *  any later version. | 
 |  * | 
 |  *  This program is distributed in the hope that it will be useful, but | 
 |  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | 
 |  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License | 
 |  *  for more details. | 
 |  * | 
 |  *  You should have received a copy of the GNU General Public License | 
 |  *  along with this program; if not, write to the Free Software Foundation, | 
 |  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. | 
 |  */ | 
 |  | 
 | #include <linux/init.h> | 
 | #include <linux/delay.h> | 
 | #include <linux/slab.h> | 
 | #include <linux/moduleparam.h> | 
 | #include <sound/core.h> | 
 | #include "hda_codec.h" | 
 | #include "hda_local.h" | 
 |  | 
 | static bool static_hdmi_pcm; | 
 | module_param(static_hdmi_pcm, bool, 0644); | 
 | MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info"); | 
 |  | 
 | /* | 
 |  * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device | 
 |  * could support two independent pipes, each of them can be connected to one or | 
 |  * more ports (DVI, HDMI or DisplayPort). | 
 |  * | 
 |  * The HDA correspondence of pipes/ports are converter/pin nodes. | 
 |  */ | 
 | #define MAX_HDMI_CVTS	3 | 
 | #define MAX_HDMI_PINS	3 | 
 |  | 
 | struct hdmi_spec { | 
 | 	int num_cvts; | 
 | 	int num_pins; | 
 | 	hda_nid_t cvt[MAX_HDMI_CVTS+1];  /* audio sources */ | 
 | 	hda_nid_t pin[MAX_HDMI_PINS+1];  /* audio sinks */ | 
 |  | 
 | 	/* | 
 | 	 * source connection for each pin | 
 | 	 */ | 
 | 	hda_nid_t pin_cvt[MAX_HDMI_PINS+1]; | 
 |  | 
 | 	/* | 
 | 	 * HDMI sink attached to each pin | 
 | 	 */ | 
 | 	struct hdmi_eld sink_eld[MAX_HDMI_PINS]; | 
 |  | 
 | 	/* | 
 | 	 * export one pcm per pipe | 
 | 	 */ | 
 | 	struct hda_pcm	pcm_rec[MAX_HDMI_CVTS]; | 
 | 	struct hda_pcm_stream codec_pcm_pars[MAX_HDMI_CVTS]; | 
 |  | 
 | 	/* | 
 | 	 * ati/nvhdmi specific | 
 | 	 */ | 
 | 	struct hda_multi_out multiout; | 
 | 	struct hda_pcm_stream *pcm_playback; | 
 |  | 
 | 	/* misc flags */ | 
 | 	/* PD bit indicates only the update, not the current state */ | 
 | 	unsigned int old_pin_detect:1; | 
 | }; | 
 |  | 
 |  | 
 | struct hdmi_audio_infoframe { | 
 | 	u8 type; /* 0x84 */ | 
 | 	u8 ver;  /* 0x01 */ | 
 | 	u8 len;  /* 0x0a */ | 
 |  | 
 | 	u8 checksum; | 
 |  | 
 | 	u8 CC02_CT47;	/* CC in bits 0:2, CT in 4:7 */ | 
 | 	u8 SS01_SF24; | 
 | 	u8 CXT04; | 
 | 	u8 CA; | 
 | 	u8 LFEPBL01_LSV36_DM_INH7; | 
 | }; | 
 |  | 
 | struct dp_audio_infoframe { | 
 | 	u8 type; /* 0x84 */ | 
 | 	u8 len;  /* 0x1b */ | 
 | 	u8 ver;  /* 0x11 << 2 */ | 
 |  | 
 | 	u8 CC02_CT47;	/* match with HDMI infoframe from this on */ | 
 | 	u8 SS01_SF24; | 
 | 	u8 CXT04; | 
 | 	u8 CA; | 
 | 	u8 LFEPBL01_LSV36_DM_INH7; | 
 | }; | 
 |  | 
 | /* | 
 |  * CEA speaker placement: | 
 |  * | 
 |  *        FLH       FCH        FRH | 
 |  *  FLW    FL  FLC   FC   FRC   FR   FRW | 
 |  * | 
 |  *                                  LFE | 
 |  *                     TC | 
 |  * | 
 |  *          RL  RLC   RC   RRC   RR | 
 |  * | 
 |  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to | 
 |  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC. | 
 |  */ | 
 | enum cea_speaker_placement { | 
 | 	FL  = (1 <<  0),	/* Front Left           */ | 
 | 	FC  = (1 <<  1),	/* Front Center         */ | 
 | 	FR  = (1 <<  2),	/* Front Right          */ | 
 | 	FLC = (1 <<  3),	/* Front Left Center    */ | 
 | 	FRC = (1 <<  4),	/* Front Right Center   */ | 
 | 	RL  = (1 <<  5),	/* Rear Left            */ | 
 | 	RC  = (1 <<  6),	/* Rear Center          */ | 
 | 	RR  = (1 <<  7),	/* Rear Right           */ | 
 | 	RLC = (1 <<  8),	/* Rear Left Center     */ | 
 | 	RRC = (1 <<  9),	/* Rear Right Center    */ | 
 | 	LFE = (1 << 10),	/* Low Frequency Effect */ | 
 | 	FLW = (1 << 11),	/* Front Left Wide      */ | 
 | 	FRW = (1 << 12),	/* Front Right Wide     */ | 
 | 	FLH = (1 << 13),	/* Front Left High      */ | 
 | 	FCH = (1 << 14),	/* Front Center High    */ | 
 | 	FRH = (1 << 15),	/* Front Right High     */ | 
 | 	TC  = (1 << 16),	/* Top Center           */ | 
 | }; | 
 |  | 
 | /* | 
 |  * ELD SA bits in the CEA Speaker Allocation data block | 
 |  */ | 
 | static int eld_speaker_allocation_bits[] = { | 
 | 	[0] = FL | FR, | 
 | 	[1] = LFE, | 
 | 	[2] = FC, | 
 | 	[3] = RL | RR, | 
 | 	[4] = RC, | 
 | 	[5] = FLC | FRC, | 
 | 	[6] = RLC | RRC, | 
 | 	/* the following are not defined in ELD yet */ | 
 | 	[7] = FLW | FRW, | 
 | 	[8] = FLH | FRH, | 
 | 	[9] = TC, | 
 | 	[10] = FCH, | 
 | }; | 
 |  | 
 | struct cea_channel_speaker_allocation { | 
 | 	int ca_index; | 
 | 	int speakers[8]; | 
 |  | 
 | 	/* derived values, just for convenience */ | 
 | 	int channels; | 
 | 	int spk_mask; | 
 | }; | 
 |  | 
 | /* | 
 |  * ALSA sequence is: | 
 |  * | 
 |  *       surround40   surround41   surround50   surround51   surround71 | 
 |  * ch0   front left   =            =            =            = | 
 |  * ch1   front right  =            =            =            = | 
 |  * ch2   rear left    =            =            =            = | 
 |  * ch3   rear right   =            =            =            = | 
 |  * ch4                LFE          center       center       center | 
 |  * ch5                                          LFE          LFE | 
 |  * ch6                                                       side left | 
 |  * ch7                                                       side right | 
 |  * | 
 |  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR} | 
 |  */ | 
 | static int hdmi_channel_mapping[0x32][8] = { | 
 | 	/* stereo */ | 
 | 	[0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 }, | 
 | 	/* 2.1 */ | 
 | 	[0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 }, | 
 | 	/* Dolby Surround */ | 
 | 	[0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 }, | 
 | 	/* surround40 */ | 
 | 	[0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 }, | 
 | 	/* 4ch */ | 
 | 	[0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 }, | 
 | 	/* surround41 */ | 
 | 	[0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 }, | 
 | 	/* surround50 */ | 
 | 	[0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 }, | 
 | 	/* surround51 */ | 
 | 	[0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 }, | 
 | 	/* 7.1 */ | 
 | 	[0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 }, | 
 | }; | 
 |  | 
 | /* | 
 |  * This is an ordered list! | 
 |  * | 
 |  * The preceding ones have better chances to be selected by | 
 |  * hdmi_channel_allocation(). | 
 |  */ | 
 | static struct cea_channel_speaker_allocation channel_allocations[] = { | 
 | /*			  channel:   7     6    5    4    3     2    1    0  */ | 
 | { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } }, | 
 | 				 /* 2.1 */ | 
 | { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } }, | 
 | 				 /* Dolby Surround */ | 
 | { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } }, | 
 | 				 /* surround40 */ | 
 | { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } }, | 
 | 				 /* surround41 */ | 
 | { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } }, | 
 | 				 /* surround50 */ | 
 | { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | 				 /* surround51 */ | 
 | { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | 				 /* 6.1 */ | 
 | { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | 				 /* surround71 */ | 
 | { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 |  | 
 | { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } }, | 
 | { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } }, | 
 | { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } }, | 
 | }; | 
 |  | 
 |  | 
 | /* | 
 |  * HDMI routines | 
 |  */ | 
 |  | 
 | static int hda_node_index(hda_nid_t *nids, hda_nid_t nid) | 
 | { | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; nids[i]; i++) | 
 | 		if (nids[i] == nid) | 
 | 			return i; | 
 |  | 
 | 	snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid); | 
 | 	return -EINVAL; | 
 | } | 
 |  | 
 | static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 			      struct hdmi_eld *eld) | 
 | { | 
 | 	if (!snd_hdmi_get_eld(eld, codec, pin_nid)) | 
 | 		snd_hdmi_show_eld(eld); | 
 | } | 
 |  | 
 | #ifdef BE_PARANOID | 
 | static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 				int *packet_index, int *byte_index) | 
 | { | 
 | 	int val; | 
 |  | 
 | 	val = snd_hda_codec_read(codec, pin_nid, 0, | 
 | 				 AC_VERB_GET_HDMI_DIP_INDEX, 0); | 
 |  | 
 | 	*packet_index = val >> 5; | 
 | 	*byte_index = val & 0x1f; | 
 | } | 
 | #endif | 
 |  | 
 | static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 				int packet_index, int byte_index) | 
 | { | 
 | 	int val; | 
 |  | 
 | 	val = (packet_index << 5) | (byte_index & 0x1f); | 
 |  | 
 | 	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); | 
 | } | 
 |  | 
 | static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 				unsigned char val) | 
 | { | 
 | 	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val); | 
 | } | 
 |  | 
 | static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid) | 
 | { | 
 | 	/* Unmute */ | 
 | 	if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) | 
 | 		snd_hda_codec_write(codec, pin_nid, 0, | 
 | 				AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); | 
 | 	/* Enable pin out */ | 
 | 	snd_hda_codec_write(codec, pin_nid, 0, | 
 | 			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); | 
 | } | 
 |  | 
 | static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid) | 
 | { | 
 | 	return 1 + snd_hda_codec_read(codec, nid, 0, | 
 | 					AC_VERB_GET_CVT_CHAN_COUNT, 0); | 
 | } | 
 |  | 
 | static void hdmi_set_channel_count(struct hda_codec *codec, | 
 | 				   hda_nid_t nid, int chs) | 
 | { | 
 | 	if (chs != hdmi_get_channel_count(codec, nid)) | 
 | 		snd_hda_codec_write(codec, nid, 0, | 
 | 				    AC_VERB_SET_CVT_CHAN_COUNT, chs - 1); | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * Channel mapping routines | 
 |  */ | 
 |  | 
 | /* | 
 |  * Compute derived values in channel_allocations[]. | 
 |  */ | 
 | static void init_channel_allocations(void) | 
 | { | 
 | 	int i, j; | 
 | 	struct cea_channel_speaker_allocation *p; | 
 |  | 
 | 	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { | 
 | 		p = channel_allocations + i; | 
 | 		p->channels = 0; | 
 | 		p->spk_mask = 0; | 
 | 		for (j = 0; j < ARRAY_SIZE(p->speakers); j++) | 
 | 			if (p->speakers[j]) { | 
 | 				p->channels++; | 
 | 				p->spk_mask |= p->speakers[j]; | 
 | 			} | 
 | 	} | 
 | } | 
 |  | 
 | /* | 
 |  * The transformation takes two steps: | 
 |  * | 
 |  *	eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask | 
 |  *	      spk_mask => (channel_allocations[])         => ai->CA | 
 |  * | 
 |  * TODO: it could select the wrong CA from multiple candidates. | 
 | */ | 
 | static int hdmi_channel_allocation(struct hda_codec *codec, hda_nid_t nid, | 
 | 				   int channels) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	struct hdmi_eld *eld; | 
 | 	int i; | 
 | 	int ca = 0; | 
 | 	int spk_mask = 0; | 
 | 	char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE]; | 
 |  | 
 | 	/* | 
 | 	 * CA defaults to 0 for basic stereo audio | 
 | 	 */ | 
 | 	if (channels <= 2) | 
 | 		return 0; | 
 |  | 
 | 	i = hda_node_index(spec->pin_cvt, nid); | 
 | 	if (i < 0) | 
 | 		return 0; | 
 | 	eld = &spec->sink_eld[i]; | 
 |  | 
 | 	/* | 
 | 	 * HDMI sink's ELD info cannot always be retrieved for now, e.g. | 
 | 	 * in console or for audio devices. Assume the highest speakers | 
 | 	 * configuration, to _not_ prohibit multi-channel audio playback. | 
 | 	 */ | 
 | 	if (!eld->spk_alloc) | 
 | 		eld->spk_alloc = 0xffff; | 
 |  | 
 | 	/* | 
 | 	 * expand ELD's speaker allocation mask | 
 | 	 * | 
 | 	 * ELD tells the speaker mask in a compact(paired) form, | 
 | 	 * expand ELD's notions to match the ones used by Audio InfoFrame. | 
 | 	 */ | 
 | 	for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) { | 
 | 		if (eld->spk_alloc & (1 << i)) | 
 | 			spk_mask |= eld_speaker_allocation_bits[i]; | 
 | 	} | 
 |  | 
 | 	/* search for the first working match in the CA table */ | 
 | 	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) { | 
 | 		if (channels == channel_allocations[i].channels && | 
 | 		    (spk_mask & channel_allocations[i].spk_mask) == | 
 | 				channel_allocations[i].spk_mask) { | 
 | 			ca = channel_allocations[i].ca_index; | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf)); | 
 | 	snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n", | 
 | 		    ca, channels, buf); | 
 |  | 
 | 	return ca; | 
 | } | 
 |  | 
 | static void hdmi_debug_channel_mapping(struct hda_codec *codec, | 
 | 				       hda_nid_t pin_nid) | 
 | { | 
 | #ifdef CONFIG_SND_DEBUG_VERBOSE | 
 | 	int i; | 
 | 	int slot; | 
 |  | 
 | 	for (i = 0; i < 8; i++) { | 
 | 		slot = snd_hda_codec_read(codec, pin_nid, 0, | 
 | 						AC_VERB_GET_HDMI_CHAN_SLOT, i); | 
 | 		printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n", | 
 | 						slot >> 4, slot & 0xf); | 
 | 	} | 
 | #endif | 
 | } | 
 |  | 
 |  | 
 | static void hdmi_setup_channel_mapping(struct hda_codec *codec, | 
 | 				       hda_nid_t pin_nid, | 
 | 				       int ca) | 
 | { | 
 | 	int i; | 
 | 	int err; | 
 |  | 
 | 	if (hdmi_channel_mapping[ca][1] == 0) { | 
 | 		for (i = 0; i < channel_allocations[ca].channels; i++) | 
 | 			hdmi_channel_mapping[ca][i] = i | (i << 4); | 
 | 		for (; i < 8; i++) | 
 | 			hdmi_channel_mapping[ca][i] = 0xf | (i << 4); | 
 | 	} | 
 |  | 
 | 	for (i = 0; i < 8; i++) { | 
 | 		err = snd_hda_codec_write(codec, pin_nid, 0, | 
 | 					  AC_VERB_SET_HDMI_CHAN_SLOT, | 
 | 					  hdmi_channel_mapping[ca][i]); | 
 | 		if (err) { | 
 | 			snd_printdd(KERN_NOTICE | 
 | 				    "HDMI: channel mapping failed\n"); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	hdmi_debug_channel_mapping(codec, pin_nid); | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * Audio InfoFrame routines | 
 |  */ | 
 |  | 
 | /* | 
 |  * Enable Audio InfoFrame Transmission | 
 |  */ | 
 | static void hdmi_start_infoframe_trans(struct hda_codec *codec, | 
 | 				       hda_nid_t pin_nid) | 
 | { | 
 | 	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); | 
 | 	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, | 
 | 						AC_DIPXMIT_BEST); | 
 | } | 
 |  | 
 | /* | 
 |  * Disable Audio InfoFrame Transmission | 
 |  */ | 
 | static void hdmi_stop_infoframe_trans(struct hda_codec *codec, | 
 | 				      hda_nid_t pin_nid) | 
 | { | 
 | 	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); | 
 | 	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, | 
 | 						AC_DIPXMIT_DISABLE); | 
 | } | 
 |  | 
 | static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid) | 
 | { | 
 | #ifdef CONFIG_SND_DEBUG_VERBOSE | 
 | 	int i; | 
 | 	int size; | 
 |  | 
 | 	size = snd_hdmi_get_eld_size(codec, pin_nid); | 
 | 	printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size); | 
 |  | 
 | 	for (i = 0; i < 8; i++) { | 
 | 		size = snd_hda_codec_read(codec, pin_nid, 0, | 
 | 						AC_VERB_GET_HDMI_DIP_SIZE, i); | 
 | 		printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size); | 
 | 	} | 
 | #endif | 
 | } | 
 |  | 
 | static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid) | 
 | { | 
 | #ifdef BE_PARANOID | 
 | 	int i, j; | 
 | 	int size; | 
 | 	int pi, bi; | 
 | 	for (i = 0; i < 8; i++) { | 
 | 		size = snd_hda_codec_read(codec, pin_nid, 0, | 
 | 						AC_VERB_GET_HDMI_DIP_SIZE, i); | 
 | 		if (size == 0) | 
 | 			continue; | 
 |  | 
 | 		hdmi_set_dip_index(codec, pin_nid, i, 0x0); | 
 | 		for (j = 1; j < 1000; j++) { | 
 | 			hdmi_write_dip_byte(codec, pin_nid, 0x0); | 
 | 			hdmi_get_dip_index(codec, pin_nid, &pi, &bi); | 
 | 			if (pi != i) | 
 | 				snd_printd(KERN_INFO "dip index %d: %d != %d\n", | 
 | 						bi, pi, i); | 
 | 			if (bi == 0) /* byte index wrapped around */ | 
 | 				break; | 
 | 		} | 
 | 		snd_printd(KERN_INFO | 
 | 			"HDMI: DIP GP[%d] buf reported size=%d, written=%d\n", | 
 | 			i, size, j); | 
 | 	} | 
 | #endif | 
 | } | 
 |  | 
 | static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai) | 
 | { | 
 | 	u8 *bytes = (u8 *)hdmi_ai; | 
 | 	u8 sum = 0; | 
 | 	int i; | 
 |  | 
 | 	hdmi_ai->checksum = 0; | 
 |  | 
 | 	for (i = 0; i < sizeof(*hdmi_ai); i++) | 
 | 		sum += bytes[i]; | 
 |  | 
 | 	hdmi_ai->checksum = -sum; | 
 | } | 
 |  | 
 | static void hdmi_fill_audio_infoframe(struct hda_codec *codec, | 
 | 				      hda_nid_t pin_nid, | 
 | 				      u8 *dip, int size) | 
 | { | 
 | 	int i; | 
 |  | 
 | 	hdmi_debug_dip_size(codec, pin_nid); | 
 | 	hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */ | 
 |  | 
 | 	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); | 
 | 	for (i = 0; i < size; i++) | 
 | 		hdmi_write_dip_byte(codec, pin_nid, dip[i]); | 
 | } | 
 |  | 
 | static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 				    u8 *dip, int size) | 
 | { | 
 | 	u8 val; | 
 | 	int i; | 
 |  | 
 | 	if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0) | 
 | 							    != AC_DIPXMIT_BEST) | 
 | 		return false; | 
 |  | 
 | 	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); | 
 | 	for (i = 0; i < size; i++) { | 
 | 		val = snd_hda_codec_read(codec, pin_nid, 0, | 
 | 					 AC_VERB_GET_HDMI_DIP_DATA, 0); | 
 | 		if (val != dip[i]) | 
 | 			return false; | 
 | 	} | 
 |  | 
 | 	return true; | 
 | } | 
 |  | 
 | static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid, | 
 | 					struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	hda_nid_t pin_nid; | 
 | 	int channels = substream->runtime->channels; | 
 | 	int ca; | 
 | 	int i; | 
 | 	u8 ai[max(sizeof(struct hdmi_audio_infoframe), | 
 | 		  sizeof(struct dp_audio_infoframe))]; | 
 |  | 
 | 	ca = hdmi_channel_allocation(codec, nid, channels); | 
 |  | 
 | 	for (i = 0; i < spec->num_pins; i++) { | 
 | 		if (spec->pin_cvt[i] != nid) | 
 | 			continue; | 
 | 		if (!spec->sink_eld[i].monitor_present) | 
 | 			continue; | 
 |  | 
 | 		pin_nid = spec->pin[i]; | 
 |  | 
 | 		memset(ai, 0, sizeof(ai)); | 
 | 		if (spec->sink_eld[i].conn_type == 0) { /* HDMI */ | 
 | 			struct hdmi_audio_infoframe *hdmi_ai; | 
 |  | 
 | 			hdmi_ai = (struct hdmi_audio_infoframe *)ai; | 
 | 			hdmi_ai->type		= 0x84; | 
 | 			hdmi_ai->ver		= 0x01; | 
 | 			hdmi_ai->len		= 0x0a; | 
 | 			hdmi_ai->CC02_CT47	= channels - 1; | 
 | 			hdmi_ai->CA		= ca; | 
 | 			hdmi_checksum_audio_infoframe(hdmi_ai); | 
 | 		} else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */ | 
 | 			struct dp_audio_infoframe *dp_ai; | 
 |  | 
 | 			dp_ai = (struct dp_audio_infoframe *)ai; | 
 | 			dp_ai->type		= 0x84; | 
 | 			dp_ai->len		= 0x1b; | 
 | 			dp_ai->ver		= 0x11 << 2; | 
 | 			dp_ai->CC02_CT47	= channels - 1; | 
 | 			dp_ai->CA		= ca; | 
 | 		} else { | 
 | 			snd_printd("HDMI: unknown connection type at pin %d\n", | 
 | 				   pin_nid); | 
 | 			continue; | 
 | 		} | 
 |  | 
 | 		/* | 
 | 		 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or | 
 | 		 * sizeof(*dp_ai) to avoid partial match/update problems when | 
 | 		 * the user switches between HDMI/DP monitors. | 
 | 		 */ | 
 | 		if (!hdmi_infoframe_uptodate(codec, pin_nid, ai, sizeof(ai))) { | 
 | 			snd_printdd("hdmi_setup_audio_infoframe: " | 
 | 				    "cvt=%d pin=%d channels=%d\n", | 
 | 				    nid, pin_nid, | 
 | 				    channels); | 
 | 			hdmi_setup_channel_mapping(codec, pin_nid, ca); | 
 | 			hdmi_stop_infoframe_trans(codec, pin_nid); | 
 | 			hdmi_fill_audio_infoframe(codec, pin_nid, | 
 | 						  ai, sizeof(ai)); | 
 | 			hdmi_start_infoframe_trans(codec, pin_nid); | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * Unsolicited events | 
 |  */ | 
 |  | 
 | static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 			       struct hdmi_eld *eld); | 
 |  | 
 | static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int tag = res >> AC_UNSOL_RES_TAG_SHIFT; | 
 | 	int pind = !!(res & AC_UNSOL_RES_PD); | 
 | 	int eldv = !!(res & AC_UNSOL_RES_ELDV); | 
 | 	int index; | 
 |  | 
 | 	printk(KERN_INFO | 
 | 		"HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n", | 
 | 		tag, pind, eldv); | 
 |  | 
 | 	index = hda_node_index(spec->pin, tag); | 
 | 	if (index < 0) | 
 | 		return; | 
 |  | 
 | 	if (spec->old_pin_detect) { | 
 | 		if (pind) | 
 | 			hdmi_present_sense(codec, tag, &spec->sink_eld[index]); | 
 | 		pind = spec->sink_eld[index].monitor_present; | 
 | 	} | 
 |  | 
 | 	spec->sink_eld[index].monitor_present = pind; | 
 | 	spec->sink_eld[index].eld_valid = eldv; | 
 |  | 
 | 	if (pind && eldv) { | 
 | 		hdmi_get_show_eld(codec, spec->pin[index], | 
 | 				  &spec->sink_eld[index]); | 
 | 		/* TODO: do real things about ELD */ | 
 | 	} | 
 | } | 
 |  | 
 | static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) | 
 | { | 
 | 	int tag = res >> AC_UNSOL_RES_TAG_SHIFT; | 
 | 	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; | 
 | 	int cp_state = !!(res & AC_UNSOL_RES_CP_STATE); | 
 | 	int cp_ready = !!(res & AC_UNSOL_RES_CP_READY); | 
 |  | 
 | 	printk(KERN_INFO | 
 | 		"HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n", | 
 | 		tag, | 
 | 		subtag, | 
 | 		cp_state, | 
 | 		cp_ready); | 
 |  | 
 | 	/* TODO */ | 
 | 	if (cp_state) | 
 | 		; | 
 | 	if (cp_ready) | 
 | 		; | 
 | } | 
 |  | 
 |  | 
 | static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int tag = res >> AC_UNSOL_RES_TAG_SHIFT; | 
 | 	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; | 
 |  | 
 | 	if (hda_node_index(spec->pin, tag) < 0) { | 
 | 		snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag); | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	if (subtag == 0) | 
 | 		hdmi_intrinsic_event(codec, res); | 
 | 	else | 
 | 		hdmi_non_intrinsic_event(codec, res); | 
 | } | 
 |  | 
 | /* | 
 |  * Callbacks | 
 |  */ | 
 |  | 
 | /* HBR should be Non-PCM, 8 channels */ | 
 | #define is_hbr_format(format) \ | 
 | 	((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7) | 
 |  | 
 | static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid, | 
 | 			      u32 stream_tag, int format) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int pinctl; | 
 | 	int new_pinctl = 0; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < spec->num_pins; i++) { | 
 | 		if (spec->pin_cvt[i] != nid) | 
 | 			continue; | 
 | 		if (!(snd_hda_query_pin_caps(codec, spec->pin[i]) & AC_PINCAP_HBR)) | 
 | 			continue; | 
 |  | 
 | 		pinctl = snd_hda_codec_read(codec, spec->pin[i], 0, | 
 | 					    AC_VERB_GET_PIN_WIDGET_CONTROL, 0); | 
 |  | 
 | 		new_pinctl = pinctl & ~AC_PINCTL_EPT; | 
 | 		if (is_hbr_format(format)) | 
 | 			new_pinctl |= AC_PINCTL_EPT_HBR; | 
 | 		else | 
 | 			new_pinctl |= AC_PINCTL_EPT_NATIVE; | 
 |  | 
 | 		snd_printdd("hdmi_setup_stream: " | 
 | 			    "NID=0x%x, %spinctl=0x%x\n", | 
 | 			    spec->pin[i], | 
 | 			    pinctl == new_pinctl ? "" : "new-", | 
 | 			    new_pinctl); | 
 |  | 
 | 		if (pinctl != new_pinctl) | 
 | 			snd_hda_codec_write(codec, spec->pin[i], 0, | 
 | 					    AC_VERB_SET_PIN_WIDGET_CONTROL, | 
 | 					    new_pinctl); | 
 | 	} | 
 |  | 
 | 	if (is_hbr_format(format) && !new_pinctl) { | 
 | 		snd_printdd("hdmi_setup_stream: HBR is not supported\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * HDA PCM callbacks | 
 |  */ | 
 | static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, | 
 | 			 struct hda_codec *codec, | 
 | 			 struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	struct hdmi_eld *eld; | 
 | 	struct hda_pcm_stream *codec_pars; | 
 | 	struct snd_pcm_runtime *runtime = substream->runtime; | 
 | 	unsigned int idx; | 
 |  | 
 | 	for (idx = 0; idx < spec->num_cvts; idx++) | 
 | 		if (hinfo->nid == spec->cvt[idx]) | 
 | 			break; | 
 | 	if (snd_BUG_ON(idx >= spec->num_cvts) || | 
 | 	    snd_BUG_ON(idx >= spec->num_pins)) | 
 | 		return -EINVAL; | 
 |  | 
 | 	/* save the PCM info the codec provides */ | 
 | 	codec_pars = &spec->codec_pcm_pars[idx]; | 
 | 	if (!codec_pars->rates) | 
 | 		*codec_pars = *hinfo; | 
 |  | 
 | 	eld = &spec->sink_eld[idx]; | 
 | 	if (!static_hdmi_pcm && eld->eld_valid && eld->sad_count > 0) { | 
 | 		hdmi_eld_update_pcm_info(eld, hinfo, codec_pars); | 
 | 		if (hinfo->channels_min > hinfo->channels_max || | 
 | 		    !hinfo->rates || !hinfo->formats) | 
 | 			return -ENODEV; | 
 | 	} else { | 
 | 		/* fallback to the codec default */ | 
 | 		hinfo->channels_max = codec_pars->channels_max; | 
 | 		hinfo->rates = codec_pars->rates; | 
 | 		hinfo->formats = codec_pars->formats; | 
 | 		hinfo->maxbps = codec_pars->maxbps; | 
 | 	} | 
 | 	/* store the updated parameters */ | 
 | 	runtime->hw.channels_min = hinfo->channels_min; | 
 | 	runtime->hw.channels_max = hinfo->channels_max; | 
 | 	runtime->hw.formats = hinfo->formats; | 
 | 	runtime->hw.rates = hinfo->rates; | 
 |  | 
 | 	snd_pcm_hw_constraint_step(substream->runtime, 0, | 
 | 				   SNDRV_PCM_HW_PARAM_CHANNELS, 2); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * HDA/HDMI auto parsing | 
 |  */ | 
 | static int hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; | 
 | 	int conn_len, curr; | 
 | 	int index; | 
 |  | 
 | 	if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { | 
 | 		snd_printk(KERN_WARNING | 
 | 			   "HDMI: pin %d wcaps %#x " | 
 | 			   "does not support connection list\n", | 
 | 			   pin_nid, get_wcaps(codec, pin_nid)); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	conn_len = snd_hda_get_connections(codec, pin_nid, conn_list, | 
 | 					   HDA_MAX_CONNECTIONS); | 
 | 	if (conn_len > 1) | 
 | 		curr = snd_hda_codec_read(codec, pin_nid, 0, | 
 | 					  AC_VERB_GET_CONNECT_SEL, 0); | 
 | 	else | 
 | 		curr = 0; | 
 |  | 
 | 	index = hda_node_index(spec->pin, pin_nid); | 
 | 	if (index < 0) | 
 | 		return -EINVAL; | 
 |  | 
 | 	spec->pin_cvt[index] = conn_list[curr]; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, | 
 | 			       struct hdmi_eld *eld) | 
 | { | 
 | 	int present = snd_hda_pin_sense(codec, pin_nid); | 
 |  | 
 | 	eld->monitor_present	= !!(present & AC_PINSENSE_PRESENCE); | 
 | 	eld->eld_valid		= !!(present & AC_PINSENSE_ELDV); | 
 |  | 
 | 	if (present & AC_PINSENSE_ELDV) | 
 | 		hdmi_get_show_eld(codec, pin_nid, eld); | 
 | } | 
 |  | 
 | static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 |  | 
 | 	if (spec->num_pins >= MAX_HDMI_PINS) { | 
 | 		snd_printk(KERN_WARNING | 
 | 			   "HDMI: no space for pin %d\n", pin_nid); | 
 | 		return -E2BIG; | 
 | 	} | 
 |  | 
 | 	hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]); | 
 |  | 
 | 	spec->pin[spec->num_pins] = pin_nid; | 
 | 	spec->num_pins++; | 
 |  | 
 | 	return hdmi_read_pin_conn(codec, pin_nid); | 
 | } | 
 |  | 
 | static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid) | 
 | { | 
 | 	int i, found_pin = 0; | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 |  | 
 | 	for (i = 0; i < spec->num_pins; i++) | 
 | 		if (nid == spec->pin_cvt[i]) { | 
 | 			found_pin = 1; | 
 | 			break; | 
 | 		} | 
 |  | 
 | 	if (!found_pin) { | 
 | 		snd_printdd("HDMI: Skipping node %d (no connection)\n", nid); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS)) | 
 | 		return -E2BIG; | 
 |  | 
 | 	spec->cvt[spec->num_cvts] = nid; | 
 | 	spec->num_cvts++; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int hdmi_parse_codec(struct hda_codec *codec) | 
 | { | 
 | 	hda_nid_t nid; | 
 | 	int i, nodes; | 
 | 	int num_tmp_cvts = 0; | 
 | 	hda_nid_t tmp_cvt[MAX_HDMI_CVTS]; | 
 |  | 
 | 	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); | 
 | 	if (!nid || nodes < 0) { | 
 | 		snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	for (i = 0; i < nodes; i++, nid++) { | 
 | 		unsigned int caps; | 
 | 		unsigned int type; | 
 | 		unsigned int config; | 
 |  | 
 | 		caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); | 
 | 		type = get_wcaps_type(caps); | 
 |  | 
 | 		if (!(caps & AC_WCAP_DIGITAL)) | 
 | 			continue; | 
 |  | 
 | 		switch (type) { | 
 | 		case AC_WID_AUD_OUT: | 
 | 			if (num_tmp_cvts >= MAX_HDMI_CVTS) { | 
 | 				snd_printk(KERN_WARNING | 
 | 					   "HDMI: no space for converter %d\n", nid); | 
 | 				continue; | 
 | 			} | 
 | 			tmp_cvt[num_tmp_cvts] = nid; | 
 | 			num_tmp_cvts++; | 
 | 			break; | 
 | 		case AC_WID_PIN: | 
 | 			caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); | 
 | 			if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) | 
 | 				continue; | 
 |  | 
 | 			config = snd_hda_codec_read(codec, nid, 0, | 
 | 					     AC_VERB_GET_CONFIG_DEFAULT, 0); | 
 | 			if (get_defcfg_connect(config) == AC_JACK_PORT_NONE) | 
 | 				continue; | 
 |  | 
 | 			hdmi_add_pin(codec, nid); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	for (i = 0; i < num_tmp_cvts; i++) | 
 | 		hdmi_add_cvt(codec, tmp_cvt[i]); | 
 |  | 
 | 	/* | 
 | 	 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event | 
 | 	 * can be lost and presence sense verb will become inaccurate if the | 
 | 	 * HDA link is powered off at hot plug or hw initialization time. | 
 | 	 */ | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | 	if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) & | 
 | 	      AC_PWRST_EPSS)) | 
 | 		codec->bus->power_keep_link_on = 1; | 
 | #endif | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  */ | 
 | static char *generic_hdmi_pcm_names[MAX_HDMI_CVTS] = { | 
 | 	"HDMI 0", | 
 | 	"HDMI 1", | 
 | 	"HDMI 2", | 
 | }; | 
 |  | 
 | /* | 
 |  * HDMI callbacks | 
 |  */ | 
 |  | 
 | static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, | 
 | 					   struct hda_codec *codec, | 
 | 					   unsigned int stream_tag, | 
 | 					   unsigned int format, | 
 | 					   struct snd_pcm_substream *substream) | 
 | { | 
 | 	hdmi_set_channel_count(codec, hinfo->nid, | 
 | 			       substream->runtime->channels); | 
 |  | 
 | 	hdmi_setup_audio_infoframe(codec, hinfo->nid, substream); | 
 |  | 
 | 	return hdmi_setup_stream(codec, hinfo->nid, stream_tag, format); | 
 | } | 
 |  | 
 | static struct hda_pcm_stream generic_hdmi_pcm_playback = { | 
 | 	.substreams = 1, | 
 | 	.channels_min = 2, | 
 | 	.ops = { | 
 | 		.open = hdmi_pcm_open, | 
 | 		.prepare = generic_hdmi_playback_pcm_prepare, | 
 | 	}, | 
 | }; | 
 |  | 
 | static int generic_hdmi_build_pcms(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	struct hda_pcm *info = spec->pcm_rec; | 
 | 	int i; | 
 |  | 
 | 	codec->num_pcms = spec->num_cvts; | 
 | 	codec->pcm_info = info; | 
 |  | 
 | 	for (i = 0; i < codec->num_pcms; i++, info++) { | 
 | 		unsigned int chans; | 
 | 		struct hda_pcm_stream *pstr; | 
 |  | 
 | 		chans = get_wcaps(codec, spec->cvt[i]); | 
 | 		chans = get_wcaps_channels(chans); | 
 |  | 
 | 		info->name = generic_hdmi_pcm_names[i]; | 
 | 		info->pcm_type = HDA_PCM_TYPE_HDMI; | 
 | 		pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; | 
 | 		if (spec->pcm_playback) | 
 | 			*pstr = *spec->pcm_playback; | 
 | 		else | 
 | 			*pstr = generic_hdmi_pcm_playback; | 
 | 		pstr->nid = spec->cvt[i]; | 
 | 		if (pstr->channels_max <= 2 && chans && chans <= 16) | 
 | 			pstr->channels_max = chans; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int generic_hdmi_build_controls(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int err; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < codec->num_pcms; i++) { | 
 | 		err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]); | 
 | 		if (err < 0) | 
 | 			return err; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int generic_hdmi_init(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; spec->pin[i]; i++) { | 
 | 		hdmi_enable_output(codec, spec->pin[i]); | 
 | 		snd_hda_codec_write(codec, spec->pin[i], 0, | 
 | 				    AC_VERB_SET_UNSOLICITED_ENABLE, | 
 | 				    AC_USRSP_EN | spec->pin[i]); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void generic_hdmi_free(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < spec->num_pins; i++) | 
 | 		snd_hda_eld_proc_free(codec, &spec->sink_eld[i]); | 
 |  | 
 | 	kfree(spec); | 
 | } | 
 |  | 
 | static struct hda_codec_ops generic_hdmi_patch_ops = { | 
 | 	.init			= generic_hdmi_init, | 
 | 	.free			= generic_hdmi_free, | 
 | 	.build_pcms		= generic_hdmi_build_pcms, | 
 | 	.build_controls		= generic_hdmi_build_controls, | 
 | 	.unsol_event		= hdmi_unsol_event, | 
 | }; | 
 |  | 
 | static int patch_generic_hdmi(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec; | 
 | 	int i; | 
 |  | 
 | 	spec = kzalloc(sizeof(*spec), GFP_KERNEL); | 
 | 	if (spec == NULL) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	codec->spec = spec; | 
 | 	if (hdmi_parse_codec(codec) < 0) { | 
 | 		codec->spec = NULL; | 
 | 		kfree(spec); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	codec->patch_ops = generic_hdmi_patch_ops; | 
 |  | 
 | 	for (i = 0; i < spec->num_pins; i++) | 
 | 		snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i); | 
 |  | 
 | 	init_channel_allocations(); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * Nvidia specific implementations | 
 |  */ | 
 |  | 
 | #define Nv_VERB_SET_Channel_Allocation          0xF79 | 
 | #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A | 
 | #define Nv_VERB_SET_Audio_Protection_On         0xF98 | 
 | #define Nv_VERB_SET_Audio_Protection_Off        0xF99 | 
 |  | 
 | #define nvhdmi_master_con_nid_7x	0x04 | 
 | #define nvhdmi_master_pin_nid_7x	0x05 | 
 |  | 
 | static hda_nid_t nvhdmi_con_nids_7x[4] = { | 
 | 	/*front, rear, clfe, rear_surr */ | 
 | 	0x6, 0x8, 0xa, 0xc, | 
 | }; | 
 |  | 
 | static struct hda_verb nvhdmi_basic_init_7x[] = { | 
 | 	/* set audio protect on */ | 
 | 	{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, | 
 | 	/* enable digital output on pin widget */ | 
 | 	{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, | 
 | 	{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, | 
 | 	{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, | 
 | 	{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, | 
 | 	{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, | 
 | 	{} /* terminator */ | 
 | }; | 
 |  | 
 | #ifdef LIMITED_RATE_FMT_SUPPORT | 
 | /* support only the safe format and rate */ | 
 | #define SUPPORTED_RATES		SNDRV_PCM_RATE_48000 | 
 | #define SUPPORTED_MAXBPS	16 | 
 | #define SUPPORTED_FORMATS	SNDRV_PCM_FMTBIT_S16_LE | 
 | #else | 
 | /* support all rates and formats */ | 
 | #define SUPPORTED_RATES \ | 
 | 	(SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ | 
 | 	SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ | 
 | 	 SNDRV_PCM_RATE_192000) | 
 | #define SUPPORTED_MAXBPS	24 | 
 | #define SUPPORTED_FORMATS \ | 
 | 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) | 
 | #endif | 
 |  | 
 | static int nvhdmi_7x_init(struct hda_codec *codec) | 
 | { | 
 | 	snd_hda_sequence_write(codec, nvhdmi_basic_init_7x); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static unsigned int channels_2_6_8[] = { | 
 | 	2, 6, 8 | 
 | }; | 
 |  | 
 | static unsigned int channels_2_8[] = { | 
 | 	2, 8 | 
 | }; | 
 |  | 
 | static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { | 
 | 	.count = ARRAY_SIZE(channels_2_6_8), | 
 | 	.list = channels_2_6_8, | 
 | 	.mask = 0, | 
 | }; | 
 |  | 
 | static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { | 
 | 	.count = ARRAY_SIZE(channels_2_8), | 
 | 	.list = channels_2_8, | 
 | 	.mask = 0, | 
 | }; | 
 |  | 
 | static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, | 
 | 				    struct hda_codec *codec, | 
 | 				    struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; | 
 |  | 
 | 	switch (codec->preset->id) { | 
 | 	case 0x10de0002: | 
 | 	case 0x10de0003: | 
 | 	case 0x10de0005: | 
 | 	case 0x10de0006: | 
 | 		hw_constraints_channels = &hw_constraints_2_8_channels; | 
 | 		break; | 
 | 	case 0x10de0007: | 
 | 		hw_constraints_channels = &hw_constraints_2_6_8_channels; | 
 | 		break; | 
 | 	default: | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	if (hw_constraints_channels != NULL) { | 
 | 		snd_pcm_hw_constraint_list(substream->runtime, 0, | 
 | 				SNDRV_PCM_HW_PARAM_CHANNELS, | 
 | 				hw_constraints_channels); | 
 | 	} else { | 
 | 		snd_pcm_hw_constraint_step(substream->runtime, 0, | 
 | 					   SNDRV_PCM_HW_PARAM_CHANNELS, 2); | 
 | 	} | 
 |  | 
 | 	return snd_hda_multi_out_dig_open(codec, &spec->multiout); | 
 | } | 
 |  | 
 | static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo, | 
 | 				     struct hda_codec *codec, | 
 | 				     struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	return snd_hda_multi_out_dig_close(codec, &spec->multiout); | 
 | } | 
 |  | 
 | static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo, | 
 | 				       struct hda_codec *codec, | 
 | 				       unsigned int stream_tag, | 
 | 				       unsigned int format, | 
 | 				       struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, | 
 | 					     stream_tag, format, substream); | 
 | } | 
 |  | 
 | static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo, | 
 | 				   struct hda_codec *codec, | 
 | 				   struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int i; | 
 |  | 
 | 	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, | 
 | 			0, AC_VERB_SET_CHANNEL_STREAMID, 0); | 
 | 	for (i = 0; i < 4; i++) { | 
 | 		/* set the stream id */ | 
 | 		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, | 
 | 				AC_VERB_SET_CHANNEL_STREAMID, 0); | 
 | 		/* set the stream format */ | 
 | 		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, | 
 | 				AC_VERB_SET_STREAM_FORMAT, 0); | 
 | 	} | 
 |  | 
 | 	return snd_hda_multi_out_dig_close(codec, &spec->multiout); | 
 | } | 
 |  | 
 | static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo, | 
 | 				     struct hda_codec *codec, | 
 | 				     unsigned int stream_tag, | 
 | 				     unsigned int format, | 
 | 				     struct snd_pcm_substream *substream) | 
 | { | 
 | 	int chs; | 
 | 	unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id; | 
 | 	int i; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 |  | 
 | 	chs = substream->runtime->channels; | 
 | 	chan = chs ? (chs - 1) : 1; | 
 |  | 
 | 	switch (chs) { | 
 | 	default: | 
 | 	case 0: | 
 | 	case 2: | 
 | 		chanmask = 0x00; | 
 | 		break; | 
 | 	case 4: | 
 | 		chanmask = 0x08; | 
 | 		break; | 
 | 	case 6: | 
 | 		chanmask = 0x0b; | 
 | 		break; | 
 | 	case 8: | 
 | 		chanmask = 0x13; | 
 | 		break; | 
 | 	} | 
 | 	dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT; | 
 | 	dataDCC2 = 0x2; | 
 |  | 
 | 	/* set the Audio InforFrame Channel Allocation */ | 
 | 	snd_hda_codec_write(codec, 0x1, 0, | 
 | 			Nv_VERB_SET_Channel_Allocation, chanmask); | 
 |  | 
 | 	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ | 
 | 	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) | 
 | 		snd_hda_codec_write(codec, | 
 | 				nvhdmi_master_con_nid_7x, | 
 | 				0, | 
 | 				AC_VERB_SET_DIGI_CONVERT_1, | 
 | 				codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); | 
 |  | 
 | 	/* set the stream id */ | 
 | 	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, | 
 | 			AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0); | 
 |  | 
 | 	/* set the stream format */ | 
 | 	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, | 
 | 			AC_VERB_SET_STREAM_FORMAT, format); | 
 |  | 
 | 	/* turn on again (if needed) */ | 
 | 	/* enable and set the channel status audio/data flag */ | 
 | 	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) { | 
 | 		snd_hda_codec_write(codec, | 
 | 				nvhdmi_master_con_nid_7x, | 
 | 				0, | 
 | 				AC_VERB_SET_DIGI_CONVERT_1, | 
 | 				codec->spdif_ctls & 0xff); | 
 | 		snd_hda_codec_write(codec, | 
 | 				nvhdmi_master_con_nid_7x, | 
 | 				0, | 
 | 				AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); | 
 | 	} | 
 |  | 
 | 	for (i = 0; i < 4; i++) { | 
 | 		if (chs == 2) | 
 | 			channel_id = 0; | 
 | 		else | 
 | 			channel_id = i * 2; | 
 |  | 
 | 		/* turn off SPDIF once; | 
 | 		 *otherwise the IEC958 bits won't be updated | 
 | 		 */ | 
 | 		if (codec->spdif_status_reset && | 
 | 		(codec->spdif_ctls & AC_DIG1_ENABLE)) | 
 | 			snd_hda_codec_write(codec, | 
 | 				nvhdmi_con_nids_7x[i], | 
 | 				0, | 
 | 				AC_VERB_SET_DIGI_CONVERT_1, | 
 | 				codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); | 
 | 		/* set the stream id */ | 
 | 		snd_hda_codec_write(codec, | 
 | 				nvhdmi_con_nids_7x[i], | 
 | 				0, | 
 | 				AC_VERB_SET_CHANNEL_STREAMID, | 
 | 				(stream_tag << 4) | channel_id); | 
 | 		/* set the stream format */ | 
 | 		snd_hda_codec_write(codec, | 
 | 				nvhdmi_con_nids_7x[i], | 
 | 				0, | 
 | 				AC_VERB_SET_STREAM_FORMAT, | 
 | 				format); | 
 | 		/* turn on again (if needed) */ | 
 | 		/* enable and set the channel status audio/data flag */ | 
 | 		if (codec->spdif_status_reset && | 
 | 		(codec->spdif_ctls & AC_DIG1_ENABLE)) { | 
 | 			snd_hda_codec_write(codec, | 
 | 					nvhdmi_con_nids_7x[i], | 
 | 					0, | 
 | 					AC_VERB_SET_DIGI_CONVERT_1, | 
 | 					codec->spdif_ctls & 0xff); | 
 | 			snd_hda_codec_write(codec, | 
 | 					nvhdmi_con_nids_7x[i], | 
 | 					0, | 
 | 					AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* set the Audio Info Frame Checksum */ | 
 | 	snd_hda_codec_write(codec, 0x1, 0, | 
 | 			Nv_VERB_SET_Info_Frame_Checksum, | 
 | 			(0x71 - chan - chanmask)); | 
 |  | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = { | 
 | 	.substreams = 1, | 
 | 	.channels_min = 2, | 
 | 	.channels_max = 8, | 
 | 	.nid = nvhdmi_master_con_nid_7x, | 
 | 	.rates = SUPPORTED_RATES, | 
 | 	.maxbps = SUPPORTED_MAXBPS, | 
 | 	.formats = SUPPORTED_FORMATS, | 
 | 	.ops = { | 
 | 		.open = simple_playback_pcm_open, | 
 | 		.close = nvhdmi_8ch_7x_pcm_close, | 
 | 		.prepare = nvhdmi_8ch_7x_pcm_prepare | 
 | 	}, | 
 | }; | 
 |  | 
 | static struct hda_pcm_stream nvhdmi_pcm_playback_2ch = { | 
 | 	.substreams = 1, | 
 | 	.channels_min = 2, | 
 | 	.channels_max = 2, | 
 | 	.nid = nvhdmi_master_con_nid_7x, | 
 | 	.rates = SUPPORTED_RATES, | 
 | 	.maxbps = SUPPORTED_MAXBPS, | 
 | 	.formats = SUPPORTED_FORMATS, | 
 | 	.ops = { | 
 | 		.open = simple_playback_pcm_open, | 
 | 		.close = simple_playback_pcm_close, | 
 | 		.prepare = simple_playback_pcm_prepare | 
 | 	}, | 
 | }; | 
 |  | 
 | static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = { | 
 | 	.build_controls = generic_hdmi_build_controls, | 
 | 	.build_pcms = generic_hdmi_build_pcms, | 
 | 	.init = nvhdmi_7x_init, | 
 | 	.free = generic_hdmi_free, | 
 | }; | 
 |  | 
 | static struct hda_codec_ops nvhdmi_patch_ops_2ch = { | 
 | 	.build_controls = generic_hdmi_build_controls, | 
 | 	.build_pcms = generic_hdmi_build_pcms, | 
 | 	.init = nvhdmi_7x_init, | 
 | 	.free = generic_hdmi_free, | 
 | }; | 
 |  | 
 | static int patch_nvhdmi_8ch_89(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec; | 
 | 	int err = patch_generic_hdmi(codec); | 
 |  | 
 | 	if (err < 0) | 
 | 		return err; | 
 | 	spec = codec->spec; | 
 | 	spec->old_pin_detect = 1; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int patch_nvhdmi_2ch(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec; | 
 |  | 
 | 	spec = kzalloc(sizeof(*spec), GFP_KERNEL); | 
 | 	if (spec == NULL) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	codec->spec = spec; | 
 |  | 
 | 	spec->multiout.num_dacs = 0;  /* no analog */ | 
 | 	spec->multiout.max_channels = 2; | 
 | 	spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x; | 
 | 	spec->old_pin_detect = 1; | 
 | 	spec->num_cvts = 1; | 
 | 	spec->cvt[0] = nvhdmi_master_con_nid_7x; | 
 | 	spec->pcm_playback = &nvhdmi_pcm_playback_2ch; | 
 |  | 
 | 	codec->patch_ops = nvhdmi_patch_ops_2ch; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec; | 
 | 	int err = patch_nvhdmi_2ch(codec); | 
 |  | 
 | 	if (err < 0) | 
 | 		return err; | 
 | 	spec = codec->spec; | 
 | 	spec->multiout.max_channels = 8; | 
 | 	spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x; | 
 | 	codec->patch_ops = nvhdmi_patch_ops_8ch_7x; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * ATI-specific implementations | 
 |  * | 
 |  * FIXME: we may omit the whole this and use the generic code once after | 
 |  * it's confirmed to work. | 
 |  */ | 
 |  | 
 | #define ATIHDMI_CVT_NID		0x02	/* audio converter */ | 
 | #define ATIHDMI_PIN_NID		0x03	/* HDMI output pin */ | 
 |  | 
 | static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, | 
 | 					struct hda_codec *codec, | 
 | 					unsigned int stream_tag, | 
 | 					unsigned int format, | 
 | 					struct snd_pcm_substream *substream) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 | 	int chans = substream->runtime->channels; | 
 | 	int i, err; | 
 |  | 
 | 	err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format, | 
 | 					  substream); | 
 | 	if (err < 0) | 
 | 		return err; | 
 | 	snd_hda_codec_write(codec, spec->cvt[0], 0, AC_VERB_SET_CVT_CHAN_COUNT, | 
 | 			    chans - 1); | 
 | 	/* FIXME: XXX */ | 
 | 	for (i = 0; i < chans; i++) { | 
 | 		snd_hda_codec_write(codec, spec->cvt[0], 0, | 
 | 				    AC_VERB_SET_HDMI_CHAN_SLOT, | 
 | 				    (i << 4) | i); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct hda_pcm_stream atihdmi_pcm_digital_playback = { | 
 | 	.substreams = 1, | 
 | 	.channels_min = 2, | 
 | 	.channels_max = 2, | 
 | 	.nid = ATIHDMI_CVT_NID, | 
 | 	.ops = { | 
 | 		.open = simple_playback_pcm_open, | 
 | 		.close = simple_playback_pcm_close, | 
 | 		.prepare = atihdmi_playback_pcm_prepare | 
 | 	}, | 
 | }; | 
 |  | 
 | static struct hda_verb atihdmi_basic_init[] = { | 
 | 	/* enable digital output on pin widget */ | 
 | 	{ 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT }, | 
 | 	{} /* terminator */ | 
 | }; | 
 |  | 
 | static int atihdmi_init(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec = codec->spec; | 
 |  | 
 | 	snd_hda_sequence_write(codec, atihdmi_basic_init); | 
 | 	/* SI codec requires to unmute the pin */ | 
 | 	if (get_wcaps(codec, spec->pin[0]) & AC_WCAP_OUT_AMP) | 
 | 		snd_hda_codec_write(codec, spec->pin[0], 0, | 
 | 				    AC_VERB_SET_AMP_GAIN_MUTE, | 
 | 				    AMP_OUT_UNMUTE); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct hda_codec_ops atihdmi_patch_ops = { | 
 | 	.build_controls = generic_hdmi_build_controls, | 
 | 	.build_pcms = generic_hdmi_build_pcms, | 
 | 	.init = atihdmi_init, | 
 | 	.free = generic_hdmi_free, | 
 | }; | 
 |  | 
 |  | 
 | static int patch_atihdmi(struct hda_codec *codec) | 
 | { | 
 | 	struct hdmi_spec *spec; | 
 |  | 
 | 	spec = kzalloc(sizeof(*spec), GFP_KERNEL); | 
 | 	if (spec == NULL) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	codec->spec = spec; | 
 |  | 
 | 	spec->multiout.num_dacs = 0;	  /* no analog */ | 
 | 	spec->multiout.max_channels = 2; | 
 | 	spec->multiout.dig_out_nid = ATIHDMI_CVT_NID; | 
 | 	spec->num_cvts = 1; | 
 | 	spec->cvt[0] = ATIHDMI_CVT_NID; | 
 | 	spec->pin[0] = ATIHDMI_PIN_NID; | 
 | 	spec->pcm_playback = &atihdmi_pcm_digital_playback; | 
 |  | 
 | 	codec->patch_ops = atihdmi_patch_ops; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * patch entries | 
 |  */ | 
 | static struct hda_codec_preset snd_hda_preset_hdmi[] = { | 
 | { .id = 0x1002793c, .name = "RS600 HDMI",	.patch = patch_atihdmi }, | 
 | { .id = 0x10027919, .name = "RS600 HDMI",	.patch = patch_atihdmi }, | 
 | { .id = 0x1002791a, .name = "RS690/780 HDMI",	.patch = patch_atihdmi }, | 
 | { .id = 0x1002aa01, .name = "R6xx HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x10951390, .name = "SiI1390 HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x10951392, .name = "SiI1392 HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x17e80047, .name = "Chrontel HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x10de0002, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x }, | 
 | { .id = 0x10de0003, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x }, | 
 | { .id = 0x10de0005, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x }, | 
 | { .id = 0x10de0006, .name = "MCP77/78 HDMI",	.patch = patch_nvhdmi_8ch_7x }, | 
 | { .id = 0x10de0007, .name = "MCP79/7A HDMI",	.patch = patch_nvhdmi_8ch_7x }, | 
 | { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de000c, .name = "MCP89 HDMI",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",	.patch = patch_nvhdmi_8ch_89 }, | 
 | { .id = 0x10de0067, .name = "MCP67 HDMI",	.patch = patch_nvhdmi_2ch }, | 
 | { .id = 0x10de8001, .name = "MCP73 HDMI",	.patch = patch_nvhdmi_2ch }, | 
 | { .id = 0x80860054, .name = "IbexPeak HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x80862801, .name = "Bearlake HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x80862802, .name = "Cantiga HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x80862803, .name = "Eaglelake HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x80862804, .name = "IbexPeak HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x80862805, .name = "CougarPoint HDMI",	.patch = patch_generic_hdmi }, | 
 | { .id = 0x808629fb, .name = "Crestline HDMI",	.patch = patch_generic_hdmi }, | 
 | {} /* terminator */ | 
 | }; | 
 |  | 
 | MODULE_ALIAS("snd-hda-codec-id:1002793c"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10027919"); | 
 | MODULE_ALIAS("snd-hda-codec-id:1002791a"); | 
 | MODULE_ALIAS("snd-hda-codec-id:1002aa01"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10951390"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10951392"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0002"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0003"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0005"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0006"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0007"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de000a"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de000b"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de000c"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de000d"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0010"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0011"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0012"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0013"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0014"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0018"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0019"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de001a"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de001b"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de001c"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0040"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0041"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0042"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0043"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0044"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de0067"); | 
 | MODULE_ALIAS("snd-hda-codec-id:10de8001"); | 
 | MODULE_ALIAS("snd-hda-codec-id:17e80047"); | 
 | MODULE_ALIAS("snd-hda-codec-id:80860054"); | 
 | MODULE_ALIAS("snd-hda-codec-id:80862801"); | 
 | MODULE_ALIAS("snd-hda-codec-id:80862802"); | 
 | MODULE_ALIAS("snd-hda-codec-id:80862803"); | 
 | MODULE_ALIAS("snd-hda-codec-id:80862804"); | 
 | MODULE_ALIAS("snd-hda-codec-id:80862805"); | 
 | MODULE_ALIAS("snd-hda-codec-id:808629fb"); | 
 |  | 
 | MODULE_LICENSE("GPL"); | 
 | MODULE_DESCRIPTION("HDMI HD-audio codec"); | 
 | MODULE_ALIAS("snd-hda-codec-intelhdmi"); | 
 | MODULE_ALIAS("snd-hda-codec-nvhdmi"); | 
 | MODULE_ALIAS("snd-hda-codec-atihdmi"); | 
 |  | 
 | static struct hda_codec_preset_list intel_list = { | 
 | 	.preset = snd_hda_preset_hdmi, | 
 | 	.owner = THIS_MODULE, | 
 | }; | 
 |  | 
 | static int __init patch_hdmi_init(void) | 
 | { | 
 | 	return snd_hda_add_codec_preset(&intel_list); | 
 | } | 
 |  | 
 | static void __exit patch_hdmi_exit(void) | 
 | { | 
 | 	snd_hda_delete_codec_preset(&intel_list); | 
 | } | 
 |  | 
 | module_init(patch_hdmi_init) | 
 | module_exit(patch_hdmi_exit) |