Declare struct tda998x_audio_params in include/drm/i2c/tda998x.h and use it in pdata and for tda998x_configure_audio() parameters. Also updates tda998x_write_aif() to take struct hdmi_audio_infoframe * directly as a parameter.
Signed-off-by: Jyri Sarha jsarha@ti.com --- drivers/gpu/drm/i2c/tda998x_drv.c | 106 +++++++++++++++++++++----------------- include/drm/i2c/tda998x.h | 23 +++++---- 2 files changed, 73 insertions(+), 56 deletions(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index b534f94..42d256a 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -46,7 +46,7 @@ struct tda998x_priv { u8 vip_cntrl_0; u8 vip_cntrl_1; u8 vip_cntrl_2; - struct tda998x_encoder_params params; + struct tda998x_audio_params audio_params;
wait_queue_head_t wq_edid; volatile int wq_edid_wait; @@ -673,26 +673,16 @@ tda998x_write_if(struct tda998x_priv *priv, u8 bit, u16 addr, reg_set(priv, REG_DIP_IF_FLAGS, bit); }
-static void -tda998x_write_aif(struct tda998x_priv *priv, struct tda998x_encoder_params *p) +static int tda998x_write_aif(struct tda998x_priv *priv, + struct hdmi_audio_infoframe *cea) { union hdmi_infoframe frame;
- hdmi_audio_infoframe_init(&frame.audio); - - frame.audio.channels = p->audio_frame[1] & 0x07; - frame.audio.channel_allocation = p->audio_frame[4]; - frame.audio.level_shift_value = (p->audio_frame[5] & 0x78) >> 3; - frame.audio.downmix_inhibit = (p->audio_frame[5] & 0x80) >> 7; - - /* - * L-PCM and IEC61937 compressed audio shall always set sample - * frequency to "refer to stream". For others, see the HDMI - * specification. - */ - frame.audio.sample_frequency = (p->audio_frame[2] & 0x1c) >> 2; + frame.audio = *cea;
tda998x_write_if(priv, DIP_IF_FLAGS_IF4, REG_IF4_HB0, &frame); + + return 0; }
static void @@ -717,19 +707,20 @@ static void tda998x_audio_mute(struct tda998x_priv *priv, bool on) } }
-static void +static int tda998x_configure_audio(struct tda998x_priv *priv, - struct drm_display_mode *mode, struct tda998x_encoder_params *p) + struct tda998x_audio_params *params, + unsigned mode_clock) { u8 buf[6], clksel_aip, clksel_fs, cts_n, adiv; u32 n;
/* Enable audio ports */ - reg_write(priv, REG_ENA_AP, p->audio_cfg); - reg_write(priv, REG_ENA_ACLK, p->audio_clk_cfg); + reg_write(priv, REG_ENA_AP, params->config); + reg_write(priv, REG_ENA_ACLK, params->format == AFMT_SPDIF ? 0 : 1);
/* Set audio input source */ - switch (p->audio_format) { + switch (params->format) { case AFMT_SPDIF: reg_write(priv, REG_MUX_AP, MUX_AP_SELECT_SPDIF); clksel_aip = AIP_CLKSEL_AIP_SPDIF; @@ -741,12 +732,25 @@ tda998x_configure_audio(struct tda998x_priv *priv, reg_write(priv, REG_MUX_AP, MUX_AP_SELECT_I2S); clksel_aip = AIP_CLKSEL_AIP_I2S; clksel_fs = AIP_CLKSEL_FS_ACLK; - cts_n = CTS_N_M(3) | CTS_N_K(3); + switch (params->sample_width) { + case 16: + cts_n = CTS_N_M(3) | CTS_N_K(1); + break; + case 18: + case 20: + case 24: + cts_n = CTS_N_M(3) | CTS_N_K(2); + break; + default: + case 32: + cts_n = CTS_N_M(3) | CTS_N_K(3); + break; + } break;
default: BUG(); - return; + return -EINVAL; }
reg_write(priv, REG_AIP_CLKSEL, clksel_aip); @@ -762,11 +766,11 @@ tda998x_configure_audio(struct tda998x_priv *priv, * assume 100MHz requires larger divider. */ adiv = AUDIO_DIV_SERCLK_8; - if (mode->clock > 100000) + if (mode_clock > 100000) adiv++; /* AUDIO_DIV_SERCLK_16 */
/* S/PDIF asks for a larger divider */ - if (p->audio_format == AFMT_SPDIF) + if (params->format == AFMT_SPDIF) adiv++; /* AUDIO_DIV_SERCLK_16 or _32 */
reg_write(priv, REG_AUDIO_DIV, adiv); @@ -775,7 +779,7 @@ tda998x_configure_audio(struct tda998x_priv *priv, * This is the approximate value of N, which happens to be * the recommended values for non-coherent clocks. */ - n = 128 * p->audio_sample_rate / 1000; + n = 128 * params->sample_rate / 1000;
/* Write the CTS and N values */ buf[0] = 0x44; @@ -794,19 +798,13 @@ tda998x_configure_audio(struct tda998x_priv *priv, reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS);
/* Write the channel status */ - buf[0] = IEC958_AES0_CON_NOT_COPYRIGHT; - buf[1] = 0x00; - buf[2] = IEC958_AES3_CON_FS_NOTID; - buf[3] = IEC958_AES4_CON_ORIGFS_NOTID | - IEC958_AES4_CON_MAX_WORDLEN_24; - reg_write_range(priv, REG_CH_STAT_B(0), buf, 4); + reg_write_range(priv, REG_CH_STAT_B(0), params->status, 4);
tda998x_audio_mute(priv, true); msleep(20); tda998x_audio_mute(priv, false);
- /* Write the audio information packet */ - tda998x_write_aif(priv, p); + return tda998x_write_aif(priv, ¶ms->cea); }
/* DRM encoder functions */ @@ -827,9 +825,7 @@ static void tda998x_encoder_set_config(struct tda998x_priv *priv, VIP_CNTRL_2_SWAP_F(p->swap_f) | (p->mirr_f ? VIP_CNTRL_2_MIRR_F : 0);
- priv->params = *p; - priv->audio.port_types[0] = p->audio_format; - priv->audio.ports[0] = p->audio_cfg; + priv->audio_params = p->audio; }
static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode) @@ -1074,9 +1070,11 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
tda998x_write_avi(priv, adjusted_mode);
- if (priv->params.audio_cfg) - tda998x_configure_audio(priv, adjusted_mode, - &priv->params); + if (priv->audio_params.config) { + tda998x_configure_audio(priv, + &priv->audio_params, + adjusted_mode->clock); + } } }
@@ -1388,12 +1386,28 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv) } } if (priv->audio.ports[0]) { - priv->params.audio_cfg = priv->audio.ports[0]; - priv->params.audio_format = - priv->audio.port_types[0]; - priv->params.audio_clk_cfg = - priv->params.audio_format == - AFMT_SPDIF ? 0 : 1; + struct tda998x_audio_params params = { + .config = priv->audio.ports[0], + .format = priv->audio.port_types[0], + .sample_width = 24, + .sample_rate = 44100, + .cea = { + .channels = 2, + .coding_type = HDMI_AUDIO_CODING_TYPE_STREAM, + .sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM, + .sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, + }, + .status = { + IEC958_AES0_CON_NOT_COPYRIGHT, + IEC958_AES1_CON_GENERAL, + IEC958_AES2_CON_SOURCE_UNSPEC | + IEC958_AES2_CON_CHANNEL_UNSPEC, + IEC958_AES3_CON_CLOCK_1000PPM | + IEC958_AES3_CON_FS_NOTID, + }, + }; + + priv->audio_params = params; } }
diff --git a/include/drm/i2c/tda998x.h b/include/drm/i2c/tda998x.h index 3e419d9..dfe7829 100644 --- a/include/drm/i2c/tda998x.h +++ b/include/drm/i2c/tda998x.h @@ -1,6 +1,18 @@ #ifndef __DRM_I2C_TDA998X_H__ #define __DRM_I2C_TDA998X_H__
+struct tda998x_audio_params { + u8 config; + enum { + AFMT_SPDIF, + AFMT_I2S + } format; + unsigned sample_width; + unsigned sample_rate; + struct hdmi_audio_infoframe cea; + u8 status[4]; +}; + struct tda998x_encoder_params { u8 swap_b:3; u8 mirr_b:1; @@ -15,16 +27,7 @@ struct tda998x_encoder_params { u8 swap_e:3; u8 mirr_e:1;
- u8 audio_cfg; - u8 audio_clk_cfg; - u8 audio_frame[6]; - - enum { - AFMT_SPDIF, - AFMT_I2S - } audio_format; - - unsigned audio_sample_rate; + struct tda998x_audio_params audio; };
#endif