#define PCM_INDEX 0
#define MAX_PB_STREAMS 1
#define MAX_CAP_STREAMS 0
-
-#define HDMI_INFO_FRAME_WORD1 0x000a0184
-#define DP_INFO_FRAME_WORD1 0x00441b84
-#define FIFO_THRESHOLD 0xFE
-#define DMA_FIFO_THRESHOLD 0x7
#define BYTES_PER_WORD 0x4
+#define INTEL_HAD "HdmiLpeAudio"
+
+/*
+ * CEA speaker placement:
+ *
+ * FL FLC FC FRC FR
+ *
+ * LFE
+ *
+ * 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 */
+};
-/* Sampling rate as per IEC60958 Ver 3 */
-#define CH_STATUS_MAP_32KHZ 0x3
-#define CH_STATUS_MAP_44KHZ 0x0
-#define CH_STATUS_MAP_48KHZ 0x2
-#define CH_STATUS_MAP_88KHZ 0x8
-#define CH_STATUS_MAP_96KHZ 0xA
-#define CH_STATUS_MAP_176KHZ 0xC
-#define CH_STATUS_MAP_192KHZ 0xE
+struct cea_channel_speaker_allocation {
+ int ca_index;
+ int speakers[8];
-#define MAX_SMPL_WIDTH_20 0x0
-#define MAX_SMPL_WIDTH_24 0x1
-#define SMPL_WIDTH_16BITS 0x1
-#define SMPL_WIDTH_24BITS 0x5
-#define CHANNEL_ALLOCATION 0x1F
-#define VALID_DIP_WORDS 3
-#define LAYOUT0 0
-#define LAYOUT1 1
-#define SWAP_LFE_CENTER 0x00fac4c8
-#define AUD_CONFIG_CH_MASK 0x70
+ /* derived values, just for convenience */
+ int channels;
+ int spk_mask;
+};
+
+struct channel_map_table {
+ unsigned char map; /* ALSA API channel map position */
+ unsigned char cea_slot; /* CEA slot value */
+ int spk_mask; /* speaker position bit mask */
+};
struct pcm_stream_info {
struct snd_pcm_substream *substream;
#ifndef __INTEL_HDMI_LPE_AUDIO_H
#define __INTEL_HDMI_LPE_AUDIO_H
-#define HAD_MAX_DEVICES 1
#define HAD_MIN_CHANNEL 2
#define HAD_MAX_CHANNEL 8
#define HAD_NUM_OF_RING_BUFS 4
#define DIS_SAMPLE_RATE_74_25 74250
#define DIS_SAMPLE_RATE_148_5 148500
#define HAD_REG_WIDTH 0x08
-#define HAD_MAX_HW_BUFS 0x04
#define HAD_MAX_DIP_WORDS 16
-#define INTEL_HAD "HdmiLpeAudio"
/* DP Link Rates */
#define DP_2_7_GHZ 270000
AUD_HDMIW_INFOFR = 0x68, /* v2 */
};
-/*
- * CEA speaker placement:
- *
- * FL FLC FC FRC FR
- *
- * LFE
- *
- * 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 */
-};
-
-struct cea_channel_speaker_allocation {
- int ca_index;
- int speakers[8];
-
- /* derived values, just for convenience */
- int channels;
- int spk_mask;
-};
-
-struct channel_map_table {
- unsigned char map; /* ALSA API channel map position */
- unsigned char cea_slot; /* CEA slot value */
- int spk_mask; /* speaker position bit mask */
-};
-
/* Audio configuration */
union aud_cfg {
struct {
u32 aud_en:1;
- u32 layout:1;
+ u32 layout:1; /* LAYOUT[01], see below */
u32 fmt:2;
u32 num_ch:3;
u32 set:1;
u32 flat:1;
u32 val_bit:1;
u32 user_bit:1;
- u32 underrun:1;
- u32 packet_mode:1;
- u32 left_align:1;
- u32 bogus_sample:1;
- u32 dp_modei:1;
+ u32 underrun:1; /* 0: send null packets,
+ * 1: send silence stream
+ */
+ u32 packet_mode:1; /* 0: 32bit container, 1: 16bit */
+ u32 left_align:1; /* 0: MSB bits 0-23, 1: bits 8-31 */
+ u32 bogus_sample:1; /* bogus sample for odd channels */
+ u32 dp_modei:1; /* 0: HDMI, 1: DP */
u32 rsvd:16;
} regx;
u32 regval;
};
-#define AUD_CONFIG_BLOCK_BIT (1 << 7)
#define AUD_CONFIG_VALID_BIT (1 << 9)
#define AUD_CONFIG_DP_MODE (1 << 15)
+#define AUD_CONFIG_CH_MASK 0x70
+#define LAYOUT0 0 /* interleaved stereo */
+#define LAYOUT1 1 /* for channels > 2 */
/* Audio Channel Status 0 Attributes */
union aud_ch_status_0 {
u32 ctg_code:8;
u32 src_num:4;
u32 ch_num:4;
- u32 samp_freq:4;
+ u32 samp_freq:4; /* CH_STATUS_MAP_XXX */
u32 clk_acc:2;
u32 rsvd:2;
} regx;
u32 regval;
};
+/* samp_freq values - Sampling rate as per IEC60958 Ver 3 */
+#define CH_STATUS_MAP_32KHZ 0x3
+#define CH_STATUS_MAP_44KHZ 0x0
+#define CH_STATUS_MAP_48KHZ 0x2
+#define CH_STATUS_MAP_88KHZ 0x8
+#define CH_STATUS_MAP_96KHZ 0xA
+#define CH_STATUS_MAP_176KHZ 0xC
+#define CH_STATUS_MAP_192KHZ 0xE
+
/* Audio Channel Status 1 Attributes */
union aud_ch_status_1 {
struct {
u32 regval;
};
+#define MAX_SMPL_WIDTH_20 0x0
+#define MAX_SMPL_WIDTH_24 0x1
+#define SMPL_WIDTH_16BITS 0x1
+#define SMPL_WIDTH_24BITS 0x5
+
/* CTS register */
union aud_hdmi_cts {
struct {
u32 regval;
};
+#define FIFO_THRESHOLD 0xFE
+#define DMA_FIFO_THRESHOLD 0x7
+
/* Audio Sample Swapping offset */
union aud_buf_ch_swap {
struct {
u32 regval;
};
+#define SWAP_LFE_CENTER 0x00fac4c8 /* octal 76543210 */
+
/* Address for Audio Buffer */
union aud_buf_addr {
struct {
u32 regval;
};
+#define HDMI_INFO_FRAME_WORD1 0x000a0184
+#define DP_INFO_FRAME_WORD1 0x00441b84
+
/* DIP frame 2 */
union aud_info_frame2 {
struct {
u32 regval;
};
+#define VALID_DIP_WORDS 3
+
/* AUD_HDMI_STATUS bits */
#define HDMI_AUDIO_UNDERRUN (1U << 31)
#define HDMI_AUDIO_BUFFER_DONE (1U << 29)
/* AUD_HDMI_STATUS register mask */
-#define AUD_CONFIG_MASK_UNDERRUN 0xC0000000
-#define AUD_CONFIG_MASK_SRDBG 0x00000002
-#define AUD_CONFIG_MASK_FUNCRST 0x00000001
+#define AUD_HDMI_STATUS_MASK_UNDERRUN 0xC0000000
+#define AUD_HDMI_STATUS_MASK_SRDBG 0x00000002
+#define AUD_HDMI_STATUSG_MASK_FUNCRST 0x00000001
#endif
projects / platform / kernel / linux-rpi.git / commitdiff