diff options
Diffstat (limited to 'sound/soc/qcom/qdsp6/q6routing.c')
| -rw-r--r-- | sound/soc/qcom/qdsp6/q6routing.c | 203 |
1 files changed, 163 insertions, 40 deletions
diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c index 20724102e85a..928fd23e2c27 100644 --- a/sound/soc/qcom/qdsp6/q6routing.c +++ b/sound/soc/qcom/qdsp6/q6routing.c @@ -66,6 +66,7 @@ { mix_name, "PRI_MI2S_TX", "PRI_MI2S_TX" }, \ { mix_name, "SEC_MI2S_TX", "SEC_MI2S_TX" }, \ { mix_name, "QUAT_MI2S_TX", "QUAT_MI2S_TX" }, \ + { mix_name, "QUIN_MI2S_TX", "QUIN_MI2S_TX" }, \ { mix_name, "TERT_MI2S_TX", "TERT_MI2S_TX" }, \ { mix_name, "SLIMBUS_0_TX", "SLIMBUS_0_TX" }, \ { mix_name, "SLIMBUS_1_TX", "SLIMBUS_1_TX" }, \ @@ -113,7 +114,19 @@ { mix_name, "QUIN_TDM_TX_4", "QUIN_TDM_TX_4"}, \ { mix_name, "QUIN_TDM_TX_5", "QUIN_TDM_TX_5"}, \ { mix_name, "QUIN_TDM_TX_6", "QUIN_TDM_TX_6"}, \ - { mix_name, "QUIN_TDM_TX_7", "QUIN_TDM_TX_7"} + { mix_name, "QUIN_TDM_TX_7", "QUIN_TDM_TX_7"}, \ + { mix_name, "WSA_CODEC_DMA_TX_0", "WSA_CODEC_DMA_TX_0"}, \ + { mix_name, "WSA_CODEC_DMA_TX_1", "WSA_CODEC_DMA_TX_1"}, \ + { mix_name, "WSA_CODEC_DMA_TX_2", "WSA_CODEC_DMA_TX_2"}, \ + { mix_name, "VA_CODEC_DMA_TX_0", "VA_CODEC_DMA_TX_0"}, \ + { mix_name, "VA_CODEC_DMA_TX_1", "VA_CODEC_DMA_TX_1"}, \ + { mix_name, "VA_CODEC_DMA_TX_2", "VA_CODEC_DMA_TX_2"}, \ + { mix_name, "TX_CODEC_DMA_TX_0", "TX_CODEC_DMA_TX_0"}, \ + { mix_name, "TX_CODEC_DMA_TX_1", "TX_CODEC_DMA_TX_1"}, \ + { mix_name, "TX_CODEC_DMA_TX_2", "TX_CODEC_DMA_TX_2"}, \ + { mix_name, "TX_CODEC_DMA_TX_3", "TX_CODEC_DMA_TX_3"}, \ + { mix_name, "TX_CODEC_DMA_TX_4", "TX_CODEC_DMA_TX_4"}, \ + { mix_name, "TX_CODEC_DMA_TX_5", "TX_CODEC_DMA_TX_5"} #define Q6ROUTING_TX_MIXERS(id) \ SOC_SINGLE_EXT("PRI_MI2S_TX", PRIMARY_MI2S_TX, \ @@ -128,6 +141,9 @@ SOC_SINGLE_EXT("QUAT_MI2S_TX", QUATERNARY_MI2S_TX, \ id, 1, 0, msm_routing_get_audio_mixer, \ msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("QUIN_MI2S_TX", QUINARY_MI2S_TX, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ SOC_SINGLE_EXT("SLIMBUS_0_TX", SLIMBUS_0_TX, \ id, 1, 0, msm_routing_get_audio_mixer, \ msm_routing_put_audio_mixer), \ @@ -268,6 +284,42 @@ msm_routing_put_audio_mixer), \ SOC_SINGLE_EXT("QUIN_TDM_TX_7", QUINARY_TDM_TX_7, \ id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("WSA_CODEC_DMA_TX_0", WSA_CODEC_DMA_TX_0, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("WSA_CODEC_DMA_TX_1", WSA_CODEC_DMA_TX_1, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("WSA_CODEC_DMA_TX_2", WSA_CODEC_DMA_TX_2, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("VA_CODEC_DMA_TX_0", VA_CODEC_DMA_TX_0, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("VA_CODEC_DMA_TX_1", VA_CODEC_DMA_TX_1, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("VA_CODEC_DMA_TX_2", VA_CODEC_DMA_TX_2, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("TX_CODEC_DMA_TX_0", TX_CODEC_DMA_TX_0, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("TX_CODEC_DMA_TX_1", TX_CODEC_DMA_TX_1, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("TX_CODEC_DMA_TX_2", TX_CODEC_DMA_TX_2, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("TX_CODEC_DMA_TX_3", TX_CODEC_DMA_TX_3, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("TX_CODEC_DMA_TX_4", TX_CODEC_DMA_TX_4, \ + id, 1, 0, msm_routing_get_audio_mixer, \ + msm_routing_put_audio_mixer), \ + SOC_SINGLE_EXT("TX_CODEC_DMA_TX_5", TX_CODEC_DMA_TX_5, \ + id, 1, 0, msm_routing_get_audio_mixer, \ msm_routing_put_audio_mixer), struct session_data { @@ -320,6 +372,12 @@ int q6routing_stream_open(int fedai_id, int perf_mode, } session = &routing_data->sessions[stream_id - 1]; + if (session->port_id < 0) { + dev_err(routing_data->dev, "Routing not setup for MultiMedia%d Session\n", + session->fedai_id); + return -EINVAL; + } + pdata = &routing_data->port_data[session->port_id]; mutex_lock(&routing_data->lock); @@ -440,9 +498,15 @@ static int msm_routing_put_audio_mixer(struct snd_kcontrol *kcontrol, struct session_data *session = &data->sessions[session_id]; if (ucontrol->value.integer.value[0]) { + if (session->port_id == be_id) + return 0; + session->port_id = be_id; snd_soc_dapm_mixer_update_power(dapm, kcontrol, 1, update); } else { + if (session->port_id == -1 || session->port_id != be_id) + return 0; + session->port_id = -1; snd_soc_dapm_mixer_update_power(dapm, kcontrol, 0, update); } @@ -465,6 +529,9 @@ static const struct snd_kcontrol_new secondary_mi2s_rx_mixer_controls[] = { static const struct snd_kcontrol_new quaternary_mi2s_rx_mixer_controls[] = { Q6ROUTING_RX_MIXERS(QUATERNARY_MI2S_RX) }; +static const struct snd_kcontrol_new quinary_mi2s_rx_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(QUINARY_MI2S_RX) }; + static const struct snd_kcontrol_new tertiary_mi2s_rx_mixer_controls[] = { Q6ROUTING_RX_MIXERS(TERTIARY_MI2S_RX) }; @@ -609,6 +676,36 @@ static const struct snd_kcontrol_new quin_tdm_rx_6_mixer_controls[] = { static const struct snd_kcontrol_new quin_tdm_rx_7_mixer_controls[] = { Q6ROUTING_RX_MIXERS(QUINARY_TDM_RX_7) }; +static const struct snd_kcontrol_new wsa_codec_dma_rx_0_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(WSA_CODEC_DMA_RX_0) }; + +static const struct snd_kcontrol_new wsa_codec_dma_rx_1_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(WSA_CODEC_DMA_RX_1) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_0_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_0) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_1_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_1) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_2_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_2) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_3_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_3) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_4_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_4) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_5_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_5) }; + +static const struct snd_kcontrol_new rxcodec_dma_rx_6_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_6) }; + +static const struct snd_kcontrol_new rx_codec_dma_rx_7_mixer_controls[] = { + Q6ROUTING_RX_MIXERS(RX_CODEC_DMA_RX_7) }; + static const struct snd_kcontrol_new mmul1_mixer_controls[] = { Q6ROUTING_TX_MIXERS(MSM_FRONTEND_DAI_MULTIMEDIA1) }; @@ -635,24 +732,6 @@ static const struct snd_kcontrol_new mmul8_mixer_controls[] = { Q6ROUTING_TX_MIXERS(MSM_FRONTEND_DAI_MULTIMEDIA8) }; static const struct snd_soc_dapm_widget msm_qdsp6_widgets[] = { - /* Frontend AIF */ - SND_SOC_DAPM_AIF_IN("MM_DL1", "MultiMedia1 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL2", "MultiMedia2 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL3", "MultiMedia3 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL4", "MultiMedia4 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL5", "MultiMedia5 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL6", "MultiMedia6 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL7", "MultiMedia7 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_IN("MM_DL8", "MultiMedia8 Playback", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL1", "MultiMedia1 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL2", "MultiMedia2 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL3", "MultiMedia3 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL4", "MultiMedia4 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL5", "MultiMedia5 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL6", "MultiMedia6 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL7", "MultiMedia7 Capture", 0, 0, 0, 0), - SND_SOC_DAPM_AIF_OUT("MM_UL8", "MultiMedia8 Capture", 0, 0, 0, 0), - /* Mixer definitions */ SND_SOC_DAPM_MIXER("HDMI Mixer", SND_SOC_NOPM, 0, 0, hdmi_mixer_controls, @@ -692,6 +771,9 @@ static const struct snd_soc_dapm_widget msm_qdsp6_widgets[] = { SND_SOC_DAPM_MIXER("QUAT_MI2S_RX Audio Mixer", SND_SOC_NOPM, 0, 0, quaternary_mi2s_rx_mixer_controls, ARRAY_SIZE(quaternary_mi2s_rx_mixer_controls)), + SND_SOC_DAPM_MIXER("QUIN_MI2S_RX Audio Mixer", SND_SOC_NOPM, 0, 0, + quinary_mi2s_rx_mixer_controls, + ARRAY_SIZE(quinary_mi2s_rx_mixer_controls)), SND_SOC_DAPM_MIXER("TERT_MI2S_RX Audio Mixer", SND_SOC_NOPM, 0, 0, tertiary_mi2s_rx_mixer_controls, ARRAY_SIZE(tertiary_mi2s_rx_mixer_controls)), @@ -819,6 +901,37 @@ static const struct snd_soc_dapm_widget msm_qdsp6_widgets[] = { SND_SOC_DAPM_MIXER("QUIN_TDM_RX_7 Audio Mixer", SND_SOC_NOPM, 0, 0, quin_tdm_rx_7_mixer_controls, ARRAY_SIZE(quin_tdm_rx_7_mixer_controls)), + + SND_SOC_DAPM_MIXER("WSA_CODEC_DMA_RX_0 Audio Mixer", SND_SOC_NOPM, 0, 0, + wsa_codec_dma_rx_0_mixer_controls, + ARRAY_SIZE(wsa_codec_dma_rx_0_mixer_controls)), + SND_SOC_DAPM_MIXER("WSA_CODEC_DMA_RX_1 Audio Mixer", SND_SOC_NOPM, 0, 0, + wsa_codec_dma_rx_1_mixer_controls, + ARRAY_SIZE(wsa_codec_dma_rx_1_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_0 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_0_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_0_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_1 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_1_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_1_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_2 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_2_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_2_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_3 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_3_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_3_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_4 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_4_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_4_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_5 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_5_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_5_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_6 Audio Mixer", SND_SOC_NOPM, 0, 0, + rxcodec_dma_rx_6_mixer_controls, + ARRAY_SIZE(rxcodec_dma_rx_6_mixer_controls)), + SND_SOC_DAPM_MIXER("RX_CODEC_DMA_RX_7 Audio Mixer", SND_SOC_NOPM, 0, 0, + rx_codec_dma_rx_7_mixer_controls, + ARRAY_SIZE(rx_codec_dma_rx_7_mixer_controls)), SND_SOC_DAPM_MIXER("MultiMedia1 Mixer", SND_SOC_NOPM, 0, 0, mmul1_mixer_controls, ARRAY_SIZE(mmul1_mixer_controls)), SND_SOC_DAPM_MIXER("MultiMedia2 Mixer", SND_SOC_NOPM, 0, 0, @@ -850,6 +963,7 @@ static const struct snd_soc_dapm_route intercon[] = { Q6ROUTING_RX_DAPM_ROUTE("SLIMBUS_5_RX Audio Mixer", "SLIMBUS_5_RX"), Q6ROUTING_RX_DAPM_ROUTE("SLIMBUS_6_RX Audio Mixer", "SLIMBUS_6_RX"), Q6ROUTING_RX_DAPM_ROUTE("QUAT_MI2S_RX Audio Mixer", "QUAT_MI2S_RX"), + Q6ROUTING_RX_DAPM_ROUTE("QUIN_MI2S_RX Audio Mixer", "QUIN_MI2S_RX"), Q6ROUTING_RX_DAPM_ROUTE("TERT_MI2S_RX Audio Mixer", "TERT_MI2S_RX"), Q6ROUTING_RX_DAPM_ROUTE("SEC_MI2S_RX Audio Mixer", "SEC_MI2S_RX"), Q6ROUTING_RX_DAPM_ROUTE("PRI_MI2S_RX Audio Mixer", "PRI_MI2S_RX"), @@ -901,6 +1015,16 @@ static const struct snd_soc_dapm_route intercon[] = { Q6ROUTING_RX_DAPM_ROUTE("QUIN_TDM_RX_5 Audio Mixer", "QUIN_TDM_RX_5"), Q6ROUTING_RX_DAPM_ROUTE("QUIN_TDM_RX_6 Audio Mixer", "QUIN_TDM_RX_6"), Q6ROUTING_RX_DAPM_ROUTE("QUIN_TDM_RX_7 Audio Mixer", "QUIN_TDM_RX_7"), + Q6ROUTING_RX_DAPM_ROUTE("WSA_CODEC_DMA_RX_0 Audio Mixer", "WSA_CODEC_DMA_RX_0"), + Q6ROUTING_RX_DAPM_ROUTE("WSA_CODEC_DMA_RX_1 Audio Mixer", "WSA_CODEC_DMA_RX_1"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_0 Audio Mixer", "RX_CODEC_DMA_RX_0"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_1 Audio Mixer", "RX_CODEC_DMA_RX_1"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_2 Audio Mixer", "RX_CODEC_DMA_RX_2"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_3 Audio Mixer", "RX_CODEC_DMA_RX_3"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_4 Audio Mixer", "RX_CODEC_DMA_RX_4"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_5 Audio Mixer", "RX_CODEC_DMA_RX_5"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_6 Audio Mixer", "RX_CODEC_DMA_RX_6"), + Q6ROUTING_RX_DAPM_ROUTE("RX_CODEC_DMA_RX_7 Audio Mixer", "RX_CODEC_DMA_RX_7"), Q6ROUTING_TX_DAPM_ROUTE("MultiMedia1 Mixer"), Q6ROUTING_TX_DAPM_ROUTE("MultiMedia2 Mixer"), Q6ROUTING_TX_DAPM_ROUTE("MultiMedia3 Mixer"), @@ -918,34 +1042,15 @@ static const struct snd_soc_dapm_route intercon[] = { {"MM_UL6", NULL, "MultiMedia6 Mixer"}, {"MM_UL7", NULL, "MultiMedia7 Mixer"}, {"MM_UL8", NULL, "MultiMedia8 Mixer"}, - - {"MM_DL1", NULL, "MultiMedia1 Playback" }, - {"MM_DL2", NULL, "MultiMedia2 Playback" }, - {"MM_DL3", NULL, "MultiMedia3 Playback" }, - {"MM_DL4", NULL, "MultiMedia4 Playback" }, - {"MM_DL5", NULL, "MultiMedia5 Playback" }, - {"MM_DL6", NULL, "MultiMedia6 Playback" }, - {"MM_DL7", NULL, "MultiMedia7 Playback" }, - {"MM_DL8", NULL, "MultiMedia8 Playback" }, - - {"MultiMedia1 Capture", NULL, "MM_UL1"}, - {"MultiMedia2 Capture", NULL, "MM_UL2"}, - {"MultiMedia3 Capture", NULL, "MM_UL3"}, - {"MultiMedia4 Capture", NULL, "MM_UL4"}, - {"MultiMedia5 Capture", NULL, "MM_UL5"}, - {"MultiMedia6 Capture", NULL, "MM_UL6"}, - {"MultiMedia7 Capture", NULL, "MM_UL7"}, - {"MultiMedia8 Capture", NULL, "MM_UL8"}, - }; static int routing_hw_params(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct msm_routing_data *data = dev_get_drvdata(component->dev); - unsigned int be_id = rtd->cpu_dai->id; + unsigned int be_id = asoc_rtd_to_cpu(rtd, 0)->id; struct session_data *session; int path_type; @@ -992,6 +1097,20 @@ static int msm_routing_probe(struct snd_soc_component *c) return 0; } +static unsigned int q6routing_reg_read(struct snd_soc_component *component, + unsigned int reg) +{ + /* default value */ + return 0; +} + +static int q6routing_reg_write(struct snd_soc_component *component, + unsigned int reg, unsigned int val) +{ + /* dummy */ + return 0; +} + static const struct snd_soc_component_driver msm_soc_routing_component = { .probe = msm_routing_probe, .name = DRV_NAME, @@ -1000,6 +1119,8 @@ static const struct snd_soc_component_driver msm_soc_routing_component = { .num_dapm_widgets = ARRAY_SIZE(msm_qdsp6_widgets), .dapm_routes = intercon, .num_dapm_routes = ARRAY_SIZE(intercon), + .read = q6routing_reg_read, + .write = q6routing_reg_write, }; static int q6pcm_routing_probe(struct platform_device *pdev) @@ -1027,11 +1148,13 @@ static int q6pcm_routing_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF static const struct of_device_id q6pcm_routing_device_id[] = { { .compatible = "qcom,q6adm-routing" }, {}, }; MODULE_DEVICE_TABLE(of, q6pcm_routing_device_id); +#endif static struct platform_driver q6pcm_routing_platform_driver = { .driver = { |