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Diffstat (limited to 'sound/pci/hda/patch_intelhdmi.c')
-rw-r--r--sound/pci/hda/patch_intelhdmi.c821
1 files changed, 13 insertions, 808 deletions
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
index 918f40378d52..88d035104cc5 100644
--- a/sound/pci/hda/patch_intelhdmi.c
+++ b/sound/pci/hda/patch_intelhdmi.c
@@ -40,815 +40,20 @@
*
* The HDA correspondence of pipes/ports are converter/pin nodes.
*/
-#define INTEL_HDMI_CVTS 2
-#define INTEL_HDMI_PINS 3
+#define MAX_HDMI_CVTS 2
+#define MAX_HDMI_PINS 3
-static char *intel_hdmi_pcm_names[INTEL_HDMI_CVTS] = {
+#include "patch_hdmi.c"
+
+static char *intel_hdmi_pcm_names[MAX_HDMI_CVTS] = {
"INTEL HDMI 0",
"INTEL HDMI 1",
};
-struct intel_hdmi_spec {
- int num_cvts;
- int num_pins;
- hda_nid_t cvt[INTEL_HDMI_CVTS+1]; /* audio sources */
- hda_nid_t pin[INTEL_HDMI_PINS+1]; /* audio sinks */
-
- /*
- * source connection for each pin
- */
- hda_nid_t pin_cvt[INTEL_HDMI_PINS+1];
-
- /*
- * HDMI sink attached to each pin
- */
- struct hdmi_eld sink_eld[INTEL_HDMI_PINS];
-
- /*
- * export one pcm per pipe
- */
- struct hda_pcm pcm_rec[INTEL_HDMI_CVTS];
-};
-
-struct hdmi_audio_infoframe {
- u8 type; /* 0x84 */
- u8 ver; /* 0x01 */
- u8 len; /* 0x0a */
-
- u8 checksum; /* PB0 */
- u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
- u8 SS01_SF24;
- u8 CXT04;
- u8 CA;
- u8 LFEPBL01_LSV36_DM_INH7;
- u8 reserved[5]; /* PB6 - PB10 */
-};
-
-/*
- * 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, 0x34, 0x43, 0xf2, 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_setup_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 } },
-};
-
-/*
- * HDA/HDMI auto parsing
- */
-
-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 int intel_hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
-{
- struct intel_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_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);
-}
-
-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 intel_hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
-{
- struct intel_hdmi_spec *spec = codec->spec;
-
- if (spec->num_pins >= INTEL_HDMI_PINS) {
- snd_printk(KERN_WARNING
- "HDMI: no space for pin %d \n", pin_nid);
- return -EINVAL;
- }
-
- hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
-
- spec->pin[spec->num_pins] = pin_nid;
- spec->num_pins++;
-
- /*
- * It is assumed that converter nodes come first in the node list and
- * hence have been registered and usable now.
- */
- return intel_hdmi_read_pin_conn(codec, pin_nid);
-}
-
-static int intel_hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
-{
- struct intel_hdmi_spec *spec = codec->spec;
-
- if (spec->num_cvts >= INTEL_HDMI_CVTS) {
- snd_printk(KERN_WARNING
- "HDMI: no space for converter %d \n", nid);
- return -EINVAL;
- }
-
- spec->cvt[spec->num_cvts] = nid;
- spec->num_cvts++;
-
- return 0;
-}
-
-static int intel_hdmi_parse_codec(struct hda_codec *codec)
-{
- hda_nid_t nid;
- int i, nodes;
-
- 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;
-
- 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 (intel_hdmi_add_cvt(codec, nid) < 0)
- return -EINVAL;
- 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;
- if (intel_hdmi_add_pin(codec, nid) < 0)
- return -EINVAL;
- break;
- }
- }
-
- /*
- * 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;
-}
-
-/*
- * HDMI routines
- */
-
-#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);
-}
-
-/*
- * 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 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);
-}
-
-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
-}
-
-
-/*
- * Audio InfoFrame routines
- */
-
-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 *ai)
-{
- u8 *bytes = (u8 *)ai;
- u8 sum = 0;
- int i;
-
- ai->checksum = 0;
-
- for (i = 0; i < sizeof(*ai); i++)
- sum += bytes[i];
-
- ai->checksum = - sum;
-}
-
-static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
- hda_nid_t pin_nid,
- struct hdmi_audio_infoframe *ai)
-{
- u8 *bytes = (u8 *)ai;
- int i;
-
- hdmi_debug_dip_size(codec, pin_nid);
- hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
-
- hdmi_checksum_audio_infoframe(ai);
-
- hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
- for (i = 0; i < sizeof(*ai); i++)
- hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
-}
-
-/*
- * 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_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
- struct hdmi_audio_infoframe *ai)
-{
- struct intel_hdmi_spec *spec = codec->spec;
- struct hdmi_eld *eld;
- int i;
- int spk_mask = 0;
- int channels = 1 + (ai->CC02_CT47 & 0x7);
- 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) {
- ai->CA = channel_allocations[i].ca_index;
- break;
- }
- }
-
- snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
- snd_printdd(KERN_INFO
- "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
- ai->CA, channels, buf);
-
- return ai->CA;
-}
-
-static void hdmi_setup_channel_mapping(struct hda_codec *codec,
- hda_nid_t pin_nid,
- struct hdmi_audio_infoframe *ai)
-{
- int i;
- int ca = ai->CA;
- 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_INFO "HDMI: channel mapping failed\n");
- break;
- }
- }
-
- hdmi_debug_channel_mapping(codec, pin_nid);
-}
-
-static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
- struct hdmi_audio_infoframe *ai)
-{
- u8 *bytes = (u8 *)ai;
- 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 < sizeof(*ai); i++) {
- val = snd_hda_codec_read(codec, pin_nid, 0,
- AC_VERB_GET_HDMI_DIP_DATA, 0);
- if (val != bytes[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 intel_hdmi_spec *spec = codec->spec;
- hda_nid_t pin_nid;
- int i;
- struct hdmi_audio_infoframe ai = {
- .type = 0x84,
- .ver = 0x01,
- .len = 0x0a,
- .CC02_CT47 = substream->runtime->channels - 1,
- };
-
- hdmi_setup_channel_allocation(codec, nid, &ai);
-
- 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];
- if (!hdmi_infoframe_uptodate(codec, pin_nid, &ai)) {
- hdmi_setup_channel_mapping(codec, pin_nid, &ai);
- hdmi_stop_infoframe_trans(codec, pin_nid);
- hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
- hdmi_start_infoframe_trans(codec, pin_nid);
- }
- }
-}
-
-
/*
- * Unsolicited events
+ * HDMI callbacks
*/
-static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
-{
- struct intel_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;
-
- 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 intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
-{
- struct intel_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
- */
-
-static void hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
- u32 stream_tag, int format)
-{
- int tag;
- int fmt;
-
- tag = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0) >> 4;
- fmt = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_STREAM_FORMAT, 0);
-
- snd_printdd("hdmi_setup_stream: "
- "NID=0x%x, %sstream=0x%x, %sformat=0x%x\n",
- nid,
- tag == stream_tag ? "" : "new-",
- stream_tag,
- fmt == format ? "" : "new-",
- format);
-
- if (tag != stream_tag)
- snd_hda_codec_write(codec, nid, 0,
- AC_VERB_SET_CHANNEL_STREAMID, stream_tag << 4);
- if (fmt != format)
- snd_hda_codec_write(codec, nid, 0,
- AC_VERB_SET_STREAM_FORMAT, format);
-}
-
static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
unsigned int stream_tag,
@@ -882,7 +87,7 @@ static struct hda_pcm_stream intel_hdmi_pcm_playback = {
static int intel_hdmi_build_pcms(struct hda_codec *codec)
{
- struct intel_hdmi_spec *spec = codec->spec;
+ struct hdmi_spec *spec = codec->spec;
struct hda_pcm *info = spec->pcm_rec;
int i;
@@ -908,7 +113,7 @@ static int intel_hdmi_build_pcms(struct hda_codec *codec)
static int intel_hdmi_build_controls(struct hda_codec *codec)
{
- struct intel_hdmi_spec *spec = codec->spec;
+ struct hdmi_spec *spec = codec->spec;
int err;
int i;
@@ -923,7 +128,7 @@ static int intel_hdmi_build_controls(struct hda_codec *codec)
static int intel_hdmi_init(struct hda_codec *codec)
{
- struct intel_hdmi_spec *spec = codec->spec;
+ struct hdmi_spec *spec = codec->spec;
int i;
for (i = 0; spec->pin[i]; i++) {
@@ -937,7 +142,7 @@ static int intel_hdmi_init(struct hda_codec *codec)
static void intel_hdmi_free(struct hda_codec *codec)
{
- struct intel_hdmi_spec *spec = codec->spec;
+ struct hdmi_spec *spec = codec->spec;
int i;
for (i = 0; i < spec->num_pins; i++)
@@ -951,12 +156,12 @@ static struct hda_codec_ops intel_hdmi_patch_ops = {
.free = intel_hdmi_free,
.build_pcms = intel_hdmi_build_pcms,
.build_controls = intel_hdmi_build_controls,
- .unsol_event = intel_hdmi_unsol_event,
+ .unsol_event = hdmi_unsol_event,
};
static int patch_intel_hdmi(struct hda_codec *codec)
{
- struct intel_hdmi_spec *spec;
+ struct hdmi_spec *spec;
int i;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
@@ -964,7 +169,7 @@ static int patch_intel_hdmi(struct hda_codec *codec)
return -ENOMEM;
codec->spec = spec;
- if (intel_hdmi_parse_codec(codec) < 0) {
+ if (hdmi_parse_codec(codec) < 0) {
codec->spec = NULL;
kfree(spec);
return -EINVAL;
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-26 12:10:23 +0000