drm/exynos: enable hdmi audio feature
This patch adds hdmi audio feature for exynos drm.
With this patch, i2s channel feeds audio data in hdmi when hdmi is connected.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/exynos/regs-hdmi.h b/drivers/gpu/drm/exynos/regs-hdmi.h
index 6b28715..3c04bea 100644
--- a/drivers/gpu/drm/exynos/regs-hdmi.h
+++ b/drivers/gpu/drm/exynos/regs-hdmi.h
@@ -22,6 +22,7 @@
/* HDMI Version 1.3 & Common */
#define HDMI_CTRL_BASE(x) ((x) + 0x00000000)
#define HDMI_CORE_BASE(x) ((x) + 0x00010000)
+#define HDMI_I2S_BASE(x) ((x) + 0x00040000)
#define HDMI_TG_BASE(x) ((x) + 0x00050000)
/* Control registers */
@@ -132,6 +133,9 @@
/* HDMI_CON_0 */
#define HDMI_BLUE_SCR_EN (1 << 5)
+#define HDMI_ASP_EN (1 << 2)
+#define HDMI_ASP_DIS (0 << 2)
+#define HDMI_ASP_MASK (1 << 2)
#define HDMI_EN (1 << 0)
/* HDMI_PHY_STATUS */
@@ -140,6 +144,8 @@
/* HDMI_MODE_SEL */
#define HDMI_MODE_HDMI_EN (1 << 1)
#define HDMI_MODE_DVI_EN (1 << 0)
+#define HDMI_DVI_MODE_EN (1)
+#define HDMI_DVI_MODE_DIS (0)
#define HDMI_MODE_MASK (3 << 0)
/* HDMI_TG_CMD */
@@ -268,6 +274,9 @@
#define HDMI_ACR_MCTS0 HDMI_CORE_BASE(0x0410)
#define HDMI_ACR_MCTS1 HDMI_CORE_BASE(0x0414)
#define HDMI_ACR_MCTS2 HDMI_CORE_BASE(0x0418)
+#define HDMI_ACR_CTS0 HDMI_CORE_BASE(0x0420)
+#define HDMI_ACR_CTS1 HDMI_CORE_BASE(0x0424)
+#define HDMI_ACR_CTS2 HDMI_CORE_BASE(0x0428)
#define HDMI_ACR_N0 HDMI_CORE_BASE(0x0430)
#define HDMI_ACR_N1 HDMI_CORE_BASE(0x0434)
#define HDMI_ACR_N2 HDMI_CORE_BASE(0x0438)
@@ -368,6 +377,179 @@
#define HDMI_BLUE_SCREEN_R_0 HDMI_CORE_BASE(0xD530)
#define HDMI_BLUE_SCREEN_R_1 HDMI_CORE_BASE(0xD534)
+/* HDMI I2S register */
+#define HDMI_I2S_CLK_CON HDMI_I2S_BASE(0x000)
+#define HDMI_I2S_CON_1 HDMI_I2S_BASE(0x004)
+#define HDMI_I2S_CON_2 HDMI_I2S_BASE(0x008)
+#define HDMI_I2S_PIN_SEL_0 HDMI_I2S_BASE(0x00c)
+#define HDMI_I2S_PIN_SEL_1 HDMI_I2S_BASE(0x010)
+#define HDMI_I2S_PIN_SEL_2 HDMI_I2S_BASE(0x014)
+#define HDMI_I2S_PIN_SEL_3 HDMI_I2S_BASE(0x018)
+#define HDMI_I2S_DSD_CON HDMI_I2S_BASE(0x01c)
+#define HDMI_I2S_MUX_CON HDMI_I2S_BASE(0x020)
+#define HDMI_I2S_CH_ST_CON HDMI_I2S_BASE(0x024)
+#define HDMI_I2S_CH_ST_0 HDMI_I2S_BASE(0x028)
+#define HDMI_I2S_CH_ST_1 HDMI_I2S_BASE(0x02c)
+#define HDMI_I2S_CH_ST_2 HDMI_I2S_BASE(0x030)
+#define HDMI_I2S_CH_ST_3 HDMI_I2S_BASE(0x034)
+#define HDMI_I2S_CH_ST_4 HDMI_I2S_BASE(0x038)
+#define HDMI_I2S_CH_ST_SH_0 HDMI_I2S_BASE(0x03c)
+#define HDMI_I2S_CH_ST_SH_1 HDMI_I2S_BASE(0x040)
+#define HDMI_I2S_CH_ST_SH_2 HDMI_I2S_BASE(0x044)
+#define HDMI_I2S_CH_ST_SH_3 HDMI_I2S_BASE(0x048)
+#define HDMI_I2S_CH_ST_SH_4 HDMI_I2S_BASE(0x04c)
+#define HDMI_I2S_MUX_CH HDMI_I2S_BASE(0x054)
+#define HDMI_I2S_MUX_CUV HDMI_I2S_BASE(0x058)
+
+/* I2S bit definition */
+
+/* I2S_CLK_CON */
+#define HDMI_I2S_CLK_DIS (0)
+#define HDMI_I2S_CLK_EN (1)
+
+/* I2S_CON_1 */
+#define HDMI_I2S_SCLK_FALLING_EDGE (0 << 1)
+#define HDMI_I2S_SCLK_RISING_EDGE (1 << 1)
+#define HDMI_I2S_L_CH_LOW_POL (0)
+#define HDMI_I2S_L_CH_HIGH_POL (1)
+
+/* I2S_CON_2 */
+#define HDMI_I2S_MSB_FIRST_MODE (0 << 6)
+#define HDMI_I2S_LSB_FIRST_MODE (1 << 6)
+#define HDMI_I2S_BIT_CH_32FS (0 << 4)
+#define HDMI_I2S_BIT_CH_48FS (1 << 4)
+#define HDMI_I2S_BIT_CH_RESERVED (2 << 4)
+#define HDMI_I2S_SDATA_16BIT (1 << 2)
+#define HDMI_I2S_SDATA_20BIT (2 << 2)
+#define HDMI_I2S_SDATA_24BIT (3 << 2)
+#define HDMI_I2S_BASIC_FORMAT (0)
+#define HDMI_I2S_L_JUST_FORMAT (2)
+#define HDMI_I2S_R_JUST_FORMAT (3)
+#define HDMI_I2S_CON_2_CLR (~(0xFF))
+#define HDMI_I2S_SET_BIT_CH(x) (((x) & 0x7) << 4)
+#define HDMI_I2S_SET_SDATA_BIT(x) (((x) & 0x7) << 2)
+
+/* I2S_PIN_SEL_0 */
+#define HDMI_I2S_SEL_SCLK(x) (((x) & 0x7) << 4)
+#define HDMI_I2S_SEL_LRCK(x) ((x) & 0x7)
+
+/* I2S_PIN_SEL_1 */
+#define HDMI_I2S_SEL_SDATA1(x) (((x) & 0x7) << 4)
+#define HDMI_I2S_SEL_SDATA2(x) ((x) & 0x7)
+
+/* I2S_PIN_SEL_2 */
+#define HDMI_I2S_SEL_SDATA3(x) (((x) & 0x7) << 4)
+#define HDMI_I2S_SEL_SDATA2(x) ((x) & 0x7)
+
+/* I2S_PIN_SEL_3 */
+#define HDMI_I2S_SEL_DSD(x) ((x) & 0x7)
+
+/* I2S_DSD_CON */
+#define HDMI_I2S_DSD_CLK_RI_EDGE (1 << 1)
+#define HDMI_I2S_DSD_CLK_FA_EDGE (0 << 1)
+#define HDMI_I2S_DSD_ENABLE (1)
+#define HDMI_I2S_DSD_DISABLE (0)
+
+/* I2S_MUX_CON */
+#define HDMI_I2S_NOISE_FILTER_ZERO (0 << 5)
+#define HDMI_I2S_NOISE_FILTER_2_STAGE (1 << 5)
+#define HDMI_I2S_NOISE_FILTER_3_STAGE (2 << 5)
+#define HDMI_I2S_NOISE_FILTER_4_STAGE (3 << 5)
+#define HDMI_I2S_NOISE_FILTER_5_STAGE (4 << 5)
+#define HDMI_I2S_IN_DISABLE (1 << 4)
+#define HDMI_I2S_IN_ENABLE (0 << 4)
+#define HDMI_I2S_AUD_SPDIF (0 << 2)
+#define HDMI_I2S_AUD_I2S (1 << 2)
+#define HDMI_I2S_AUD_DSD (2 << 2)
+#define HDMI_I2S_CUV_SPDIF_ENABLE (0 << 1)
+#define HDMI_I2S_CUV_I2S_ENABLE (1 << 1)
+#define HDMI_I2S_MUX_DISABLE (0)
+#define HDMI_I2S_MUX_ENABLE (1)
+#define HDMI_I2S_MUX_CON_CLR (~(0xFF))
+
+/* I2S_CH_ST_CON */
+#define HDMI_I2S_CH_STATUS_RELOAD (1)
+#define HDMI_I2S_CH_ST_CON_CLR (~(1))
+
+/* I2S_CH_ST_0 / I2S_CH_ST_SH_0 */
+#define HDMI_I2S_CH_STATUS_MODE_0 (0 << 6)
+#define HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH (0 << 3)
+#define HDMI_I2S_2AUD_CH_WITH_PREEMPH (1 << 3)
+#define HDMI_I2S_DEFAULT_EMPHASIS (0 << 3)
+#define HDMI_I2S_COPYRIGHT (0 << 2)
+#define HDMI_I2S_NO_COPYRIGHT (1 << 2)
+#define HDMI_I2S_LINEAR_PCM (0 << 1)
+#define HDMI_I2S_NO_LINEAR_PCM (1 << 1)
+#define HDMI_I2S_CONSUMER_FORMAT (0)
+#define HDMI_I2S_PROF_FORMAT (1)
+#define HDMI_I2S_CH_ST_0_CLR (~(0xFF))
+
+/* I2S_CH_ST_1 / I2S_CH_ST_SH_1 */
+#define HDMI_I2S_CD_PLAYER (0x00)
+#define HDMI_I2S_DAT_PLAYER (0x03)
+#define HDMI_I2S_DCC_PLAYER (0x43)
+#define HDMI_I2S_MINI_DISC_PLAYER (0x49)
+
+/* I2S_CH_ST_2 / I2S_CH_ST_SH_2 */
+#define HDMI_I2S_CHANNEL_NUM_MASK (0xF << 4)
+#define HDMI_I2S_SOURCE_NUM_MASK (0xF)
+#define HDMI_I2S_SET_CHANNEL_NUM(x) (((x) & (0xF)) << 4)
+#define HDMI_I2S_SET_SOURCE_NUM(x) ((x) & (0xF))
+
+/* I2S_CH_ST_3 / I2S_CH_ST_SH_3 */
+#define HDMI_I2S_CLK_ACCUR_LEVEL_1 (1 << 4)
+#define HDMI_I2S_CLK_ACCUR_LEVEL_2 (0 << 4)
+#define HDMI_I2S_CLK_ACCUR_LEVEL_3 (2 << 4)
+#define HDMI_I2S_SMP_FREQ_44_1 (0x0)
+#define HDMI_I2S_SMP_FREQ_48 (0x2)
+#define HDMI_I2S_SMP_FREQ_32 (0x3)
+#define HDMI_I2S_SMP_FREQ_96 (0xA)
+#define HDMI_I2S_SET_SMP_FREQ(x) ((x) & (0xF))
+
+/* I2S_CH_ST_4 / I2S_CH_ST_SH_4 */
+#define HDMI_I2S_ORG_SMP_FREQ_44_1 (0xF << 4)
+#define HDMI_I2S_ORG_SMP_FREQ_88_2 (0x7 << 4)
+#define HDMI_I2S_ORG_SMP_FREQ_22_05 (0xB << 4)
+#define HDMI_I2S_ORG_SMP_FREQ_176_4 (0x3 << 4)
+#define HDMI_I2S_WORD_LEN_NOT_DEFINE (0x0 << 1)
+#define HDMI_I2S_WORD_LEN_MAX24_20BITS (0x1 << 1)
+#define HDMI_I2S_WORD_LEN_MAX24_22BITS (0x2 << 1)
+#define HDMI_I2S_WORD_LEN_MAX24_23BITS (0x4 << 1)
+#define HDMI_I2S_WORD_LEN_MAX24_24BITS (0x5 << 1)
+#define HDMI_I2S_WORD_LEN_MAX24_21BITS (0x6 << 1)
+#define HDMI_I2S_WORD_LEN_MAX20_16BITS (0x1 << 1)
+#define HDMI_I2S_WORD_LEN_MAX20_18BITS (0x2 << 1)
+#define HDMI_I2S_WORD_LEN_MAX20_19BITS (0x4 << 1)
+#define HDMI_I2S_WORD_LEN_MAX20_20BITS (0x5 << 1)
+#define HDMI_I2S_WORD_LEN_MAX20_17BITS (0x6 << 1)
+#define HDMI_I2S_WORD_LEN_MAX_24BITS (1)
+#define HDMI_I2S_WORD_LEN_MAX_20BITS (0)
+
+/* I2S_MUX_CH */
+#define HDMI_I2S_CH3_R_EN (1 << 7)
+#define HDMI_I2S_CH3_L_EN (1 << 6)
+#define HDMI_I2S_CH3_EN (3 << 6)
+#define HDMI_I2S_CH2_R_EN (1 << 5)
+#define HDMI_I2S_CH2_L_EN (1 << 4)
+#define HDMI_I2S_CH2_EN (3 << 4)
+#define HDMI_I2S_CH1_R_EN (1 << 3)
+#define HDMI_I2S_CH1_L_EN (1 << 2)
+#define HDMI_I2S_CH1_EN (3 << 2)
+#define HDMI_I2S_CH0_R_EN (1 << 1)
+#define HDMI_I2S_CH0_L_EN (1)
+#define HDMI_I2S_CH0_EN (3)
+#define HDMI_I2S_CH_ALL_EN (0xFF)
+#define HDMI_I2S_MUX_CH_CLR (~HDMI_I2S_CH_ALL_EN)
+
+/* I2S_MUX_CUV */
+#define HDMI_I2S_CUV_R_EN (1 << 1)
+#define HDMI_I2S_CUV_L_EN (1)
+#define HDMI_I2S_CUV_RL_EN (0x03)
+
+/* I2S_CUV_L_R */
+#define HDMI_I2S_CUV_R_DATA_MASK (0x7 << 4)
+#define HDMI_I2S_CUV_L_DATA_MASK (0x7)
+
/* Timing generator registers */
/* TG configure/status registers */
#define HDMI_TG_VACT_ST3_L HDMI_TG_BASE(0x0068)