ALSA: hda: hdmi - add Icelake support

This is just a port of the ASoC Icelake HDMI codec code to the legacy
HDA driver with some cleanups.

ASoC commit 019033c854a20e10f691f6cc0e897df8817d9521:
  "ASoC: Intel: hdac_hdmi: add Icelake support"

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Cc: Bard liao <bard.liao@intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 51 insertions, 16 deletions

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 73d7042ff884..8b3ac690efa3 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -57,10 +57,11 @@ MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
 #define is_geminilake(codec) (((codec)->core.vendor_id == 0x8086280d) || \
                                 ((codec)->core.vendor_id == 0x80862800))
 #define is_cannonlake(codec) ((codec)->core.vendor_id == 0x8086280c)
+#define is_icelake(codec) ((codec)->core.vendor_id == 0x8086280f)
 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
                                 || is_skylake(codec) || is_broxton(codec) \
-                                || is_kabylake(codec)) || is_geminilake(codec) \
-                                || is_cannonlake(codec)
+                                || is_kabylake(codec) || is_geminilake(codec) \
+                                || is_cannonlake(codec) || is_icelake(codec))
 #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
 #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
@@ -181,6 +182,8 @@ struct hdmi_spec {
 
         struct hdac_chmap chmap;
         hda_nid_t vendor_nid;
+        const int *port_map;
+        int port_num;
 };
 
 #ifdef CONFIG_SND_HDA_COMPONENT
@@ -2418,12 +2421,11 @@ static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
 }
 
-#define INTEL_VENDOR_NID 0x08
-#define INTEL_GLK_VENDOR_NID 0x0B
-#define INTEL_GET_VENDOR_VERB 0xf81
-#define INTEL_SET_VENDOR_VERB 0x781
-#define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
-#define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
+#define INTEL_GET_VENDOR_VERB   0xf81
+#define INTEL_GET_VENDOR_VERB   0xf81
+#define INTEL_SET_VENDOR_VERB   0x781
+#define INTEL_EN_DP12           0x02    /* enable DP 1.2 features */
+#define INTEL_EN_ALL_PIN_CVTS   0x01    /* enable 2nd & 3rd pins and convertors */
 
 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
                                           bool update_tree)
@@ -2503,11 +2505,29 @@ static int intel_base_nid(struct hda_codec *codec)
 
 static int intel_pin2port(void *audio_ptr, int pin_nid)
 {
-        int base_nid = intel_base_nid(audio_ptr);
+        struct hda_codec *codec = audio_ptr;
+        struct hdmi_spec *spec = codec->spec;
+        int base_nid, i;
 
-        if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
-                return -1;
-        return pin_nid - base_nid + 1; /* intel port is 1-based */
+        if (!spec->port_num) {
+                base_nid = intel_base_nid(codec);
+                if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
+                        return -1;
+                return pin_nid - base_nid + 1; /* intel port is 1-based */
+        }
+
+        /*
+         * looking for the pin number in the mapping table and return
+         * the index which indicate the port number
+         */
+        for (i = 0; i < spec->port_num; i++) {
+                if (pin_nid == spec->port_map[i])
+                        return i + 1;
+        }
+
+        /* return -1 if pin number exceeds our expectation */
+        codec_info(codec, "Can't find the HDMI/DP port for pin %d\n", pin_nid);
+        return -1;
 }
 
 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
@@ -2608,7 +2628,8 @@ static int parse_intel_hdmi(struct hda_codec *codec)
 }
 
 /* Intel Haswell and onwards; audio component with eld notifier */
-static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid)
+static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid,
+                                 const int *port_map, int port_num)
 {
         struct hdmi_spec *spec;
         int err;
@@ -2620,6 +2641,8 @@ static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid)
         codec->dp_mst = true;
         spec->dyn_pcm_assign = true;
         spec->vendor_nid = vendor_nid;
+        spec->port_map = port_map;
+        spec->port_num = port_num;
 
         intel_haswell_enable_all_pins(codec, true);
         intel_haswell_fixup_enable_dp12(codec);
@@ -2638,12 +2661,23 @@ static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid)
 
 static int patch_i915_hsw_hdmi(struct hda_codec *codec)
 {
-        return intel_hsw_common_init(codec, INTEL_VENDOR_NID);
+        return intel_hsw_common_init(codec, 0x08, NULL, 0);
 }
 
 static int patch_i915_glk_hdmi(struct hda_codec *codec)
 {
-        return intel_hsw_common_init(codec, INTEL_GLK_VENDOR_NID);
+        return intel_hsw_common_init(codec, 0x0b, NULL, 0);
+}
+
+static int patch_i915_icl_hdmi(struct hda_codec *codec)
+{
+        /*
+         * pin to port mapping table where the value indicate the pin number and
+         * the index indicate the port number with 1 base.
+         */
+        static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb};
+
+        return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map));
 }
 
 /* Intel Baytrail and Braswell; with eld notifier */
@@ -3886,6 +3920,7 @@ HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",	patch_via_hdmi),
 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
+HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI",  patch_i915_glk_hdmi),
 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
@@ -3899,7 +3934,7 @@ HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",	patch_i915_hsw_hdmi),
 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",    patch_i915_hsw_hdmi),
 HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI",  patch_i915_glk_hdmi),
 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI",  patch_i915_glk_hdmi),
-HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI",  patch_i915_glk_hdmi),
+HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI",     patch_i915_icl_hdmi),
 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_i915_byt_hdmi),