diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 11:28:58 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 11:28:58 +0800 |
commit | df2071bd081408318d659cd14a9cf6ff23d874c9 (patch) | |
tree | b31291b5fd4b9f84c629833afbfaa8d431857475 /sound/pci/hda/patch_intelhdmi.c | |
parent | 97e3d94aac1c3e95bd04d1b186479a4df3663ab8 (diff) | |
parent | be1066bbcd443a65df312fdecea7e4959adedb45 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'sound/pci/hda/patch_intelhdmi.c')
-rw-r--r-- | sound/pci/hda/patch_intelhdmi.c | 821 |
1 files changed, 13 insertions, 808 deletions
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c index 918f40378d5..88d035104cc 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; |