ASoC: qcom: Add support for lpass hdmi driver

Upadate lpass cpu and platform driver to support audio over dp.
Also add lpass-hdmi.c and lpass-hdmi.h.

Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-6-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 102 insertions, 0 deletions

diff --git a/sound/soc/qcom/lpass-hdmi.h b/sound/soc/qcom/lpass-hdmi.h
new file mode 100644
index 000000000000..ee74d783027a
--- /dev/null
+++ b/sound/soc/qcom/lpass-hdmi.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 The Linux Foundation. All rights reserved.
+ *
+ * lpass_hdmi.h - Definitions for the QTi LPASS HDMI
+ */
+
+#ifndef __LPASS_HDMI_H__
+#define __LPASS_HDMI_H__
+
+#include <linux/regmap.h>
+
+#define LPASS_HDMITX_LEGACY_DISABLE		0x0
+#define LPASS_HDMITX_LEGACY_ENABLE		0x1
+#define LPASS_DP_AUDIO_BITWIDTH16		0x0
+#define LPASS_DP_AUDIO_BITWIDTH24		0xb
+#define LPASS_DATA_FORMAT_SHIFT			0x1
+#define LPASS_FREQ_BIT_SHIFT			24
+#define LPASS_DATA_FORMAT_LINEAR		0x0
+#define LPASS_DATA_FORMAT_NON_LINEAR	0x1
+#define LPASS_SAMPLING_FREQ32			0x3
+#define LPASS_SAMPLING_FREQ44			0x0
+#define LPASS_SAMPLING_FREQ48			0x2
+#define LPASS_TX_CTL_RESET				0x1
+#define LPASS_TX_CTL_CLEAR				0x0
+#define LPASS_SSTREAM_ENABLE			1
+#define LPASS_SSTREAM_DISABLE			0
+#define LPASS_LAYOUT_SP_DEFAULT			0xf
+#define LPASS_SSTREAM_DEFAULT_ENABLE	1
+#define LPASS_SSTREAM_DEFAULT_DISABLE	0
+#define LPASS_MUTE_ENABLE				1
+#define LPASS_MUTE_DISABLE				0
+#define LPASS_META_DEFAULT_VAL			0
+#define HW_MODE							1
+#define SW_MODE							0
+#define LEGACY_LPASS_LPAIF				1
+#define LEGACY_LPASS_HDMI				0
+#define REPLACE_VBIT					0x1
+#define LINEAR_PCM_DATA					0x0
+#define NON_LINEAR_PCM_DATA				0x1
+#define HDMITX_PARITY_CALC_EN			0x1
+#define HDMITX_PARITY_CALC_DIS			0x0
+#define LPASS_DATA_FORMAT_MASK			GENMASK(1, 1)
+#define LPASS_WORDLENGTH_MASK			GENMASK(3, 0)
+#define LPASS_FREQ_BIT_MASK				GENMASK(27, 24)
+
+#define LPASS_HDMI_TX_CTL_ADDR(v)		(v->hdmi_tx_ctl_addr)
+#define LPASS_HDMI_TX_LEGACY_ADDR(v)	(v->hdmi_legacy_addr)
+#define LPASS_HDMI_TX_VBIT_CTL_ADDR(v)	(v->hdmi_vbit_addr)
+#define LPASS_HDMI_TX_PARITY_ADDR(v)	(v->hdmi_parity_addr)
+#define LPASS_HDMI_TX_DP_ADDR(v)		(v->hdmi_DP_addr)
+#define LPASS_HDMI_TX_SSTREAM_ADDR(v)	(v->hdmi_sstream_addr)
+
+#define LPASS_HDMI_TX_CH_LSB_ADDR(v, port) \
+		(v->hdmi_ch_lsb_addr + v->ch_stride * (port))
+#define LPASS_HDMI_TX_CH_MSB_ADDR(v, port) \
+		(v->hdmi_ch_msb_addr + v->ch_stride * (port))
+#define LPASS_HDMI_TX_DMA_ADDR(v, port) \
+		(v->hdmi_dmactl_addr + v->hdmi_dma_stride * (port))
+
+struct lpass_sstream_ctl {
+	struct regmap_field *sstream_en;
+	struct regmap_field *dma_sel;
+	struct regmap_field *auto_bbit_en;
+	struct regmap_field *layout;
+	struct regmap_field *layout_sp;
+	struct regmap_field *set_sp_on_en;
+	struct regmap_field *dp_audio;
+	struct regmap_field *dp_staffing_en;
+	struct regmap_field *dp_sp_b_hw_en;
+};
+
+struct lpass_dp_metadata_ctl {
+	struct regmap_field *mute;
+	struct regmap_field *as_sdp_cc;
+	struct regmap_field *as_sdp_ct;
+	struct regmap_field *aif_db4;
+	struct regmap_field *frequency;
+	struct regmap_field *mst_index;
+	struct regmap_field *dptx_index;
+};
+
+struct lpass_hdmi_tx_ctl {
+	struct regmap_field *soft_reset;
+	struct regmap_field *force_reset;
+};
+
+struct lpass_hdmitx_dmactl {
+	struct regmap_field *use_hw_chs;
+	struct regmap_field *use_hw_usr;
+	struct regmap_field *hw_chs_sel;
+	struct regmap_field *hw_usr_sel;
+};
+
+struct lpass_vbit_ctrl {
+		struct regmap_field *replace_vbit;
+		struct regmap_field *vbit_stream;
+};
+
+extern const struct snd_soc_dai_ops asoc_qcom_lpass_hdmi_dai_ops;
+
+#endif /* __LPASS_HDMI_H__ */