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-rw-r--r--sound/pci/hda/patch_hdmi.c1743
1 files changed, 1743 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
new file mode 100644
index 00000000..bd0ae697
--- /dev/null
+++ b/sound/pci/hda/patch_hdmi.c
@@ -0,0 +1,1743 @@
+/*
+ *
+ * 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 <sound/jack.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 4
+#define MAX_HDMI_PINS 4
+
+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;
+ const struct hda_pcm_stream *pcm_playback;
+};
+
+
+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;
+};
+
+union audio_infoframe {
+ struct hdmi_audio_infoframe hdmi;
+ struct dp_audio_infoframe dp;
+ u8 bytes[0];
+};
+
+/*
+ * 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;
+}
+
+#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;
+ union audio_infoframe ai;
+
+ 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 = &ai.hdmi;
+
+ 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 = &ai.dp;
+
+ 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.bytes,
+ 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.bytes, 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 pin_nid = res >> AC_UNSOL_RES_TAG_SHIFT;
+ int pd = !!(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",
+ pin_nid, pd, eldv);
+
+ index = hda_node_index(spec->pin, pin_nid);
+ if (index < 0)
+ return;
+
+ hdmi_present_sense(codec, pin_nid, &spec->sink_eld[index]);
+}
+
+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)
+{
+ /*
+ * Always execute a GetPinSense verb here, even when called from
+ * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
+ * response's PD bit is not the real PD value, but indicates that
+ * the real PD value changed. An older version of the HD-audio
+ * specification worked this way. Hence, we just ignore the data in
+ * the unsolicited response to avoid custom WARs.
+ */
+ int present = snd_hda_pin_sense(codec, pin_nid);
+
+ memset(eld, 0, sizeof(*eld));
+
+ eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
+ if (eld->monitor_present)
+ eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
+ else
+ eld->eld_valid = 0;
+
+ printk(KERN_INFO
+ "HDMI status: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
+ pin_nid, eld->monitor_present, eld->eld_valid);
+
+ if (eld->eld_valid)
+ if (!snd_hdmi_get_eld(eld, codec, pin_nid))
+ snd_hdmi_show_eld(eld);
+
+ snd_hda_input_jack_report(codec, pin_nid);
+}
+
+static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int err;
+
+ if (spec->num_pins >= MAX_HDMI_PINS) {
+ snd_printk(KERN_WARNING
+ "HDMI: no space for pin %d\n", pin_nid);
+ return -E2BIG;
+ }
+
+ err = snd_hda_input_jack_add(codec, pin_nid,
+ SND_JACK_VIDEOOUT, NULL);
+ if (err < 0)
+ return err;
+
+ 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 3",
+};
+
+/*
+ * 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 const 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]);
+ snd_hda_input_jack_free(codec);
+
+ kfree(spec);
+}
+
+static const 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 const hda_nid_t nvhdmi_con_nids_7x[4] = {
+ /*front, rear, clfe, rear_surr */
+ 0x6, 0x8, 0xa, 0xc,
+};
+
+static const 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 void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
+ int channels)
+{
+ unsigned int chanmask;
+ int chan = channels ? (channels - 1) : 1;
+
+ switch (channels) {
+ default:
+ case 0:
+ case 2:
+ chanmask = 0x00;
+ break;
+ case 4:
+ chanmask = 0x08;
+ break;
+ case 6:
+ chanmask = 0x0b;
+ break;
+ case 8:
+ chanmask = 0x13;
+ break;
+ }
+
+ /* Set the audio infoframe channel allocation and checksum fields. The
+ * channel count is computed implicitly by the hardware. */
+ snd_hda_codec_write(codec, 0x1, 0,
+ Nv_VERB_SET_Channel_Allocation, chanmask);
+
+ snd_hda_codec_write(codec, 0x1, 0,
+ Nv_VERB_SET_Info_Frame_Checksum,
+ (0x71 - chan - chanmask));
+}
+
+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);
+ }
+
+ /* The audio hardware sends a channel count of 0x7 (8ch) when all the
+ * streams are disabled. */
+ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
+
+ 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, channel_id;
+ int i;
+
+ mutex_lock(&codec->spdif_mutex);
+
+ chs = substream->runtime->channels;
+
+ dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
+ dataDCC2 = 0x2;
+
+ /* 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);
+ }
+ }
+
+ nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
+
+ mutex_unlock(&codec->spdif_mutex);
+ return 0;
+}
+
+static const 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 const 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 const 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 const 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_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->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;
+
+ /* Initialize the audio infoframe channel mask and checksum to something
+ * valid */
+ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
+
+ 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 const 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 const 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 const 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 const 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_generic_hdmi },
+{ .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_generic_hdmi },
+{ .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_generic_hdmi },
+/* 17 is known to be absent */
+{ .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi },
+{ .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 = 0x80862806, .name = "PantherPoint 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:10de0015");
+MODULE_ALIAS("snd-hda-codec-id:10de0016");
+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:80862806");
+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)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 16:31:14 +0000