diff options
author | Mythri P K <mythripk@ti.com> | 2011-09-08 13:36:24 (GMT) |
---|---|---|
committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-09-30 13:16:33 (GMT) |
commit | 7334167bf18e708e275164a3c44bb3f0c193d0c4 (patch) | |
tree | f39303181dc41c1437f008b2d222a548f1febe81 /drivers/video/omap2 | |
parent | 7d983f39ecc463a4fb94bc1fd7204be46e35d5e0 (diff) | |
download | linux-fsl-qoriq-7334167bf18e708e275164a3c44bb3f0c193d0c4.tar.xz |
OMAP4: DSS2: HDMI: Move the HDMI IP dependent audio
Move HDMI IP dependent audio functions from HDMI DSS file to IP library.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2')
-rw-r--r-- | drivers/video/omap2/dss/hdmi.c | 257 | ||||
-rw-r--r-- | drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 260 | ||||
-rw-r--r-- | drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h | 22 |
3 files changed, 283 insertions, 256 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index b6d63c6..2a8a55d 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -37,6 +37,7 @@ defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE) #include <sound/soc.h> #include <sound/pcm_params.h> +#include "ti_hdmi_4xxx_ip.h" #endif #include "ti_hdmi.h" @@ -630,229 +631,6 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev) #if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \ defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE) -static void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data, - struct hdmi_audio_format *aud_fmt) -{ - u32 r; - - DSSDBG("Enter hdmi_wp_audio_config_format\n"); - - r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG); - r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24); - r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16); - r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5); - r = FLD_MOD(r, aud_fmt->type, 4, 4); - r = FLD_MOD(r, aud_fmt->justification, 3, 3); - r = FLD_MOD(r, aud_fmt->sample_order, 2, 2); - r = FLD_MOD(r, aud_fmt->samples_per_word, 1, 1); - r = FLD_MOD(r, aud_fmt->sample_size, 0, 0); - hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG, r); -} - -static void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data, - struct hdmi_audio_dma *aud_dma) -{ - u32 r; - - DSSDBG("Enter hdmi_wp_audio_config_dma\n"); - - r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2); - r = FLD_MOD(r, aud_dma->transfer_size, 15, 8); - r = FLD_MOD(r, aud_dma->block_size, 7, 0); - hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2, r); - - r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL); - r = FLD_MOD(r, aud_dma->mode, 9, 9); - r = FLD_MOD(r, aud_dma->fifo_threshold, 8, 0); - hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL, r); -} - -static void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, - struct hdmi_core_audio_config *cfg) -{ - u32 r; - void __iomem *av_base = hdmi_av_base(ip_data); - - /* audio clock recovery parameters */ - r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL); - r = FLD_MOD(r, cfg->use_mclk, 2, 2); - r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1); - r = FLD_MOD(r, cfg->cts_mode, 0, 0); - hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r); - - REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0); - REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0); - REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0); - - if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) { - REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0); - REG_FLD_MOD(av_base, - HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0); - REG_FLD_MOD(av_base, - HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0); - } else { - /* - * HDMI IP uses this configuration to divide the MCLK to - * update CTS value. - */ - REG_FLD_MOD(av_base, - HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0); - - /* Configure clock for audio packets */ - REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1, - cfg->aud_par_busclk, 7, 0); - REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2, - (cfg->aud_par_busclk >> 8), 7, 0); - REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3, - (cfg->aud_par_busclk >> 16), 7, 0); - } - - /* Override of SPDIF sample frequency with value in I2S_CHST4 */ - REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL, - cfg->fs_override, 1, 1); - - /* I2S parameters */ - REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_CHST4, - cfg->freq_sample, 3, 0); - - r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL); - r = FLD_MOD(r, cfg->i2s_cfg.en_high_bitrate_aud, 7, 7); - r = FLD_MOD(r, cfg->i2s_cfg.sck_edge_mode, 6, 6); - r = FLD_MOD(r, cfg->i2s_cfg.cbit_order, 5, 5); - r = FLD_MOD(r, cfg->i2s_cfg.vbit, 4, 4); - r = FLD_MOD(r, cfg->i2s_cfg.ws_polarity, 3, 3); - r = FLD_MOD(r, cfg->i2s_cfg.justification, 2, 2); - r = FLD_MOD(r, cfg->i2s_cfg.direction, 1, 1); - r = FLD_MOD(r, cfg->i2s_cfg.shift, 0, 0); - hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL, r); - - r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_CHST5); - r = FLD_MOD(r, cfg->freq_sample, 7, 4); - r = FLD_MOD(r, cfg->i2s_cfg.word_length, 3, 1); - r = FLD_MOD(r, cfg->i2s_cfg.word_max_length, 0, 0); - hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST5, r); - - REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_IN_LEN, - cfg->i2s_cfg.in_length_bits, 3, 0); - - /* Audio channels and mode parameters */ - REG_FLD_MOD(av_base, HDMI_CORE_AV_HDMI_CTRL, cfg->layout, 2, 1); - r = hdmi_read_reg(av_base, HDMI_CORE_AV_AUD_MODE); - r = FLD_MOD(r, cfg->i2s_cfg.active_sds, 7, 4); - r = FLD_MOD(r, cfg->en_dsd_audio, 3, 3); - r = FLD_MOD(r, cfg->en_parallel_aud_input, 2, 2); - r = FLD_MOD(r, cfg->en_spdif, 1, 1); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_MODE, r); -} - -static void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data, - struct hdmi_core_infoframe_audio *info_aud) -{ - u8 val; - u8 sum = 0, checksum = 0; - void __iomem *av_base = hdmi_av_base(ip_data); - - /* - * Set audio info frame type, version and length as - * described in HDMI 1.4a Section 8.2.2 specification. - * Checksum calculation is defined in Section 5.3.5. - */ - hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_TYPE, 0x84); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_VERS, 0x01); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_LEN, 0x0a); - sum += 0x84 + 0x001 + 0x00a; - - val = (info_aud->db1_coding_type << 4) - | (info_aud->db1_channel_count - 1); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(0), val); - sum += val; - - val = (info_aud->db2_sample_freq << 2) | info_aud->db2_sample_size; - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(1), val); - sum += val; - - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(2), 0x00); - - val = info_aud->db4_channel_alloc; - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(3), val); - sum += val; - - val = (info_aud->db5_downmix_inh << 7) | (info_aud->db5_lsv << 3); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(4), val); - sum += val; - - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(5), 0x00); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(6), 0x00); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(7), 0x00); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(8), 0x00); - hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(9), 0x00); - - checksum = 0x100 - sum; - hdmi_write_reg(av_base, - HDMI_CORE_AV_AUDIO_CHSUM, checksum); - - /* - * TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing - * is available. - */ -} - -static int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data, - u32 sample_freq, u32 *n, u32 *cts) -{ - u32 r; - u32 deep_color = 0; - u32 pclk = hdmi.cfg.timings.timings.pixel_clock; - - if (n == NULL || cts == NULL) - return -EINVAL; - /* - * Obtain current deep color configuration. This needed - * to calculate the TMDS clock based on the pixel clock. - */ - r = REG_GET(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, 1, 0); - switch (r) { - case 1: /* No deep color selected */ - deep_color = 100; - break; - case 2: /* 10-bit deep color selected */ - deep_color = 125; - break; - case 3: /* 12-bit deep color selected */ - deep_color = 150; - break; - default: - return -EINVAL; - } - - switch (sample_freq) { - case 32000: - if ((deep_color == 125) && ((pclk == 54054) - || (pclk == 74250))) - *n = 8192; - else - *n = 4096; - break; - case 44100: - *n = 6272; - break; - case 48000: - if ((deep_color == 125) && ((pclk == 54054) - || (pclk == 74250))) - *n = 8192; - else - *n = 6144; - break; - default: - *n = 0; - return -EINVAL; - } - - /* Calculate CTS. See HDMI 1.3a or 1.4a specifications */ - *cts = pclk * (*n / 128) * deep_color / (sample_freq / 10); - - return 0; -} static int hdmi_audio_hw_params(struct hdmi_ip_data *ip_data, struct snd_pcm_substream *substream, @@ -988,39 +766,6 @@ static int hdmi_audio_hw_params(struct hdmi_ip_data *ip_data, return 0; } -static int hdmi_audio_trigger(struct hdmi_ip_data *ip_data, - struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - int err = 0; - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - REG_FLD_MOD(hdmi_av_base(ip_data), - HDMI_CORE_AV_AUD_MODE, 1, 0, 0); - REG_FLD_MOD(hdmi_wp_base(ip_data), - HDMI_WP_AUDIO_CTRL, 1, 31, 31); - REG_FLD_MOD(hdmi_wp_base(ip_data), - HDMI_WP_AUDIO_CTRL, 1, 30, 30); - break; - - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - REG_FLD_MOD(hdmi_av_base(ip_data), - HDMI_CORE_AV_AUD_MODE, 0, 0, 0); - REG_FLD_MOD(hdmi_wp_base(ip_data), - HDMI_WP_AUDIO_CTRL, 0, 30, 30); - REG_FLD_MOD(hdmi_wp_base(ip_data), - HDMI_WP_AUDIO_CTRL, 0, 31, 31); - break; - default: - err = -EINVAL; - } - return err; -} - static int hdmi_audio_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c index b97a3c0..c2a98f8 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -765,3 +765,263 @@ void hdmi_basic_configure(struct hdmi_ip_data *ip_data) repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON; hdmi_core_av_packet_config(ip_data, repeat_cfg); } + +#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \ + defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE) +void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data, + struct hdmi_audio_format *aud_fmt) +{ + u32 r; + + DSSDBG("Enter hdmi_wp_audio_config_format\n"); + + r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG); + r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24); + r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16); + r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5); + r = FLD_MOD(r, aud_fmt->type, 4, 4); + r = FLD_MOD(r, aud_fmt->justification, 3, 3); + r = FLD_MOD(r, aud_fmt->sample_order, 2, 2); + r = FLD_MOD(r, aud_fmt->samples_per_word, 1, 1); + r = FLD_MOD(r, aud_fmt->sample_size, 0, 0); + hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG, r); +} + +void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data, + struct hdmi_audio_dma *aud_dma) +{ + u32 r; + + DSSDBG("Enter hdmi_wp_audio_config_dma\n"); + + r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2); + r = FLD_MOD(r, aud_dma->transfer_size, 15, 8); + r = FLD_MOD(r, aud_dma->block_size, 7, 0); + hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2, r); + + r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL); + r = FLD_MOD(r, aud_dma->mode, 9, 9); + r = FLD_MOD(r, aud_dma->fifo_threshold, 8, 0); + hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL, r); +} + +void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, + struct hdmi_core_audio_config *cfg) +{ + u32 r; + void __iomem *av_base = hdmi_av_base(ip_data); + + /* audio clock recovery parameters */ + r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL); + r = FLD_MOD(r, cfg->use_mclk, 2, 2); + r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1); + r = FLD_MOD(r, cfg->cts_mode, 0, 0); + hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r); + + REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0); + + if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) { + REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0); + REG_FLD_MOD(av_base, + HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0); + REG_FLD_MOD(av_base, + HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0); + } else { + /* + * HDMI IP uses this configuration to divide the MCLK to + * update CTS value. + */ + REG_FLD_MOD(av_base, + HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0); + + /* Configure clock for audio packets */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1, + cfg->aud_par_busclk, 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2, + (cfg->aud_par_busclk >> 8), 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3, + (cfg->aud_par_busclk >> 16), 7, 0); + } + + /* Override of SPDIF sample frequency with value in I2S_CHST4 */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL, + cfg->fs_override, 1, 1); + + /* I2S parameters */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_CHST4, + cfg->freq_sample, 3, 0); + + r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL); + r = FLD_MOD(r, cfg->i2s_cfg.en_high_bitrate_aud, 7, 7); + r = FLD_MOD(r, cfg->i2s_cfg.sck_edge_mode, 6, 6); + r = FLD_MOD(r, cfg->i2s_cfg.cbit_order, 5, 5); + r = FLD_MOD(r, cfg->i2s_cfg.vbit, 4, 4); + r = FLD_MOD(r, cfg->i2s_cfg.ws_polarity, 3, 3); + r = FLD_MOD(r, cfg->i2s_cfg.justification, 2, 2); + r = FLD_MOD(r, cfg->i2s_cfg.direction, 1, 1); + r = FLD_MOD(r, cfg->i2s_cfg.shift, 0, 0); + hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL, r); + + r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_CHST5); + r = FLD_MOD(r, cfg->freq_sample, 7, 4); + r = FLD_MOD(r, cfg->i2s_cfg.word_length, 3, 1); + r = FLD_MOD(r, cfg->i2s_cfg.word_max_length, 0, 0); + hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST5, r); + + REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_IN_LEN, + cfg->i2s_cfg.in_length_bits, 3, 0); + + /* Audio channels and mode parameters */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_HDMI_CTRL, cfg->layout, 2, 1); + r = hdmi_read_reg(av_base, HDMI_CORE_AV_AUD_MODE); + r = FLD_MOD(r, cfg->i2s_cfg.active_sds, 7, 4); + r = FLD_MOD(r, cfg->en_dsd_audio, 3, 3); + r = FLD_MOD(r, cfg->en_parallel_aud_input, 2, 2); + r = FLD_MOD(r, cfg->en_spdif, 1, 1); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_MODE, r); +} + +void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data, + struct hdmi_core_infoframe_audio *info_aud) +{ + u8 val; + u8 sum = 0, checksum = 0; + void __iomem *av_base = hdmi_av_base(ip_data); + + /* + * Set audio info frame type, version and length as + * described in HDMI 1.4a Section 8.2.2 specification. + * Checksum calculation is defined in Section 5.3.5. + */ + hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_TYPE, 0x84); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_VERS, 0x01); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_LEN, 0x0a); + sum += 0x84 + 0x001 + 0x00a; + + val = (info_aud->db1_coding_type << 4) + | (info_aud->db1_channel_count - 1); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(0), val); + sum += val; + + val = (info_aud->db2_sample_freq << 2) | info_aud->db2_sample_size; + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(1), val); + sum += val; + + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(2), 0x00); + + val = info_aud->db4_channel_alloc; + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(3), val); + sum += val; + + val = (info_aud->db5_downmix_inh << 7) | (info_aud->db5_lsv << 3); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(4), val); + sum += val; + + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(5), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(6), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(7), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(8), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(9), 0x00); + + checksum = 0x100 - sum; + hdmi_write_reg(av_base, + HDMI_CORE_AV_AUDIO_CHSUM, checksum); + + /* + * TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing + * is available. + */ +} + +int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data, + u32 sample_freq, u32 *n, u32 *cts) +{ + u32 r; + u32 deep_color = 0; + u32 pclk = ip_data->cfg.timings.timings.pixel_clock; + + if (n == NULL || cts == NULL) + return -EINVAL; + /* + * Obtain current deep color configuration. This needed + * to calculate the TMDS clock based on the pixel clock. + */ + r = REG_GET(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, 1, 0); + switch (r) { + case 1: /* No deep color selected */ + deep_color = 100; + break; + case 2: /* 10-bit deep color selected */ + deep_color = 125; + break; + case 3: /* 12-bit deep color selected */ + deep_color = 150; + break; + default: + return -EINVAL; + } + + switch (sample_freq) { + case 32000: + if ((deep_color == 125) && ((pclk == 54054) + || (pclk == 74250))) + *n = 8192; + else + *n = 4096; + break; + case 44100: + *n = 6272; + break; + case 48000: + if ((deep_color == 125) && ((pclk == 54054) + || (pclk == 74250))) + *n = 8192; + else + *n = 6144; + break; + default: + *n = 0; + return -EINVAL; + } + + /* Calculate CTS. See HDMI 1.3a or 1.4a specifications */ + *cts = pclk * (*n / 128) * deep_color / (sample_freq / 10); + + return 0; +} + +int hdmi_audio_trigger(struct hdmi_ip_data *ip_data, + struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + int err = 0; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + REG_FLD_MOD(hdmi_av_base(ip_data), + HDMI_CORE_AV_AUD_MODE, 1, 0, 0); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 1, 31, 31); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 1, 30, 30); + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + REG_FLD_MOD(hdmi_av_base(ip_data), + HDMI_CORE_AV_AUD_MODE, 0, 0, 0); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 0, 30, 30); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 0, 31, 31); + break; + default: + err = -EINVAL; + } + return err; +} +#endif diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h index 7feead1..929de88 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h @@ -24,6 +24,11 @@ #include <linux/string.h> #include <video/omapdss.h> #include "ti_hdmi.h" +#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \ + defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE) +#include <sound/soc.h> +#include <sound/pcm_params.h> +#endif struct hdmi_reg { u16 idx; }; @@ -572,4 +577,21 @@ struct hdmi_core_audio_config { bool en_parallel_aud_input; bool en_spdif; }; + +#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \ + defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE) +int hdmi_audio_trigger(struct hdmi_ip_data *ip_data, + struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai); +int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data, + u32 sample_freq, u32 *n, u32 *cts); +void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data, + struct hdmi_core_infoframe_audio *info_aud); +void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, + struct hdmi_core_audio_config *cfg); +void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data, + struct hdmi_audio_dma *aud_dma); +void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data, + struct hdmi_audio_format *aud_fmt); +#endif #endif |