mb/intel/mtlrvp: Enable Audio for MTL-P RVP

This patch adds FW_CONFIG and codec support for MTL-P RVP

BUG=None
TEST=Build and boot MTL-P RVP to Chrome OS. Verify audio codec listed
under aplay -l and audio working with the connected audio card.

localhost ~ # aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sofrt5682 [sof-rt5682], device 0: Headset (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 1: Speakers (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 5: HDMI1 (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 6: HDMI2 (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 7: HDMI3 (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 8: HDMI4 (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Signed-off-by: Usha P <usha.p@intel.com>
Change-Id: Ib29ac3e4105e578e1555076d180b35a8265a99c8
Signed-off-by: Jamie Ryu <jamie.m.ryu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73015
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/src/mainboard/intel/mtlrvp/fw_config.c b/src/mainboard/intel/mtlrvp/fw_config.c
new file mode 100644
index 0000000000..d874228bde
--- /dev/null
+++ b/src/mainboard/intel/mtlrvp/fw_config.c
@@ -0,0 +1,101 @@
+#include <bootstate.h>
+#include <console/console.h>
+#include <fw_config.h>
+#include <gpio.h>
+#include <inttypes.h>
+
+static const struct pad_config i2s_enable_pads[] = {
+	/* Audio: I2S */
+	PAD_CFG_NF(GPP_D09, NONE, DEEP, NF2), /* I2S_MCLK1_OUT */
+	PAD_CFG_NF(GPP_D10, NONE, DEEP, NF2), /* I2S0_SCLK_HDR */
+	PAD_CFG_NF(GPP_D11, NONE, DEEP, NF2), /* I2S0_SFRM_HDR */
+	PAD_CFG_NF(GPP_D12, NONE, DEEP, NF2), /* I2S0_TXD_HDR */
+	PAD_CFG_NF(GPP_D13, NONE, DEEP, NF2), /* I2S0_RXD_HDR */
+
+	PAD_CFG_NF(GPP_S00, NONE, DEEP, NF6), /* I2S1_SCLK_HDR */
+	PAD_CFG_NF(GPP_S01, NONE, DEEP, NF6), /* I2S1_SFRM_HDR */
+	PAD_CFG_NF(GPP_S02, NONE, DEEP, NF6), /* I2S1_TXD_HDR */
+	PAD_CFG_NF(GPP_S03, NONE, DEEP, NF6), /* I2S1_RXD_HDR */
+	PAD_CFG_NF(GPP_S06, NONE, DEEP, NF3), /* DMIC_CLK_A1 */
+	PAD_CFG_NF(GPP_S07, NONE, DEEP, NF3), /* DMIC_DATA1 */
+};
+
+static const struct pad_config sndw_enable_pads[] = {
+	/* Soundwire GPIO Config */
+	/* DMIC config pads */
+	PAD_CFG_NF(GPP_D09, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D10, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D11, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D12, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D13, NONE, DEEP, NF2),
+	/* Soundwire - External codec - JE Header */
+	PAD_CFG_NF(GPP_S00, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_S01, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_S04, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_S05, NONE, DEEP, NF1),
+	/* DMIC - JD Header */
+	PAD_CFG_NF(GPP_S02, NONE, DEEP, NF3),
+	PAD_CFG_NF(GPP_S03, NONE, DEEP, NF3),
+	PAD_CFG_NF(GPP_S06, NONE, DEEP, NF3),
+	PAD_CFG_NF(GPP_S07, NONE, DEEP, NF3),
+};
+
+static const struct pad_config sndw_alc711_enable_pads[] = {
+	/* DMIC config pads */
+	PAD_CFG_NF(GPP_D09, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D10, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D11, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D12, NONE, DEEP, NF2),
+	PAD_CFG_NF(GPP_D13, NONE, DEEP, NF2),
+	/* Soundwire GPIO Config */
+	PAD_CFG_NF(GPP_S00, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_S01, NONE, DEEP, NF1),
+	/* DMIC - JD Header */
+	PAD_CFG_NF(GPP_S02, NONE, DEEP, NF3),
+	PAD_CFG_NF(GPP_S03, NONE, DEEP, NF3),
+	PAD_CFG_NF(GPP_S06, NONE, DEEP, NF3),
+	PAD_CFG_NF(GPP_S07, NONE, DEEP, NF3),
+};
+
+static const struct pad_config audio_disable_pads[] = {
+	PAD_NC(GPP_S00, NONE),
+	PAD_NC(GPP_S01, NONE),
+	PAD_NC(GPP_S02, NONE),
+	PAD_NC(GPP_S03, NONE),
+	PAD_NC(GPP_S04, NONE),
+	PAD_NC(GPP_S05, NONE),
+	PAD_NC(GPP_S06, NONE),
+	PAD_NC(GPP_S07, NONE),
+	PAD_NC(GPP_D09, NONE),
+	PAD_NC(GPP_D10, NONE),
+	PAD_NC(GPP_D11, NONE),
+	PAD_NC(GPP_D12, NONE),
+	PAD_NC(GPP_D13, NONE),
+};
+
+static void fw_config_handle(void *unused)
+{
+	printk(BIOS_INFO, "FW config 0x%" PRIx64 "\n", fw_config_get());
+	if (fw_config_probe(FW_CONFIG(AUDIO, NONE))) {
+		printk(BIOS_INFO, "Configure GPIOs for no audio.\n");
+		gpio_configure_pads(audio_disable_pads, ARRAY_SIZE(audio_disable_pads));
+	}
+
+	if (fw_config_probe(FW_CONFIG(AUDIO, MTL_ALC1019_ALC5682I_I2S)) ||
+		fw_config_probe(FW_CONFIG(AUDIO, MTL_ALC5682I_MAX9857A_I2S))) {
+		printk(BIOS_INFO, "Configure GPIOs for I2S audio.\n");
+		gpio_configure_pads(i2s_enable_pads, ARRAY_SIZE(i2s_enable_pads));
+	}
+
+	if (fw_config_probe(FW_CONFIG(AUDIO, MTL_MAX98373_ALC5682_SNDW))) {
+		printk(BIOS_INFO, "Configure GPIOs for SoundWire audio (ext codec).\n");
+		gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(i2s_enable_pads));
+	}
+
+	if (fw_config_probe(FW_CONFIG(AUDIO, MTL_ALC711_SNDW))) {
+		printk(BIOS_INFO, "Configure GPIOs for SoundWire audio (onboard codec).\n");
+		gpio_configure_pads(sndw_alc711_enable_pads, ARRAY_SIZE(i2s_enable_pads));
+	}
+
+}
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);