Hi Liu, I am making driver for TechWell TW2835 chip. It is a audio/video mux.
2009/3/4 Liu Yebo <[email protected]> > Are you working with AIC33 on your daughter sound board ? > > > ----- Original Message ----- > *From:* Azam Ansari <[email protected]> > *To:* [email protected] ; [email protected] > *Sent:* Wednesday, March 04, 2009 4:34 PM > *Subject:* Re: DM355 daughter sound card problem > > Hi, > > I tried your suggestion. Still recording doesn't work. Anything else that I > need to try? > > 2009/3/4 <[email protected]> > >> Try the following to set CLKX PIN as CLKS PIN for recoding. >> initial_config.srgr2 = initial_config.srgr2 | CLKSM; >> initial_config.pcr0 = (initial_config.pcr0 | SCLKME); >> >> SCLKME CLKSM Input Clock For Sample Rate Generator >> 0 0 Signal on CLKS pin >> 0 1 ASP internal input clock >> 1 0 Signal on CLKR pin >> 1 1 Signal on CLKX pin >> >> ----- Original Message ----- >> *From:* Azam Ansari <[email protected]> >> *To:* [email protected] ; [email protected] >> *Sent:* Wednesday, March 04, 2009 2:28 PM >> *Subject:* Re: DM355 daughter sound card problem >> >> DM355 is slave. below is configuration done for pcr0 and srgr2: >> >> pcr0 = CLKXP | CLKRP >> srgr2 = FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1) >> >> >> 2009/3/4 <[email protected]> >> >>> Hi, >>> Does DM355 is the master ? >>> You should to do some settings for srgr2 and pcr0 because MCBSP0 has no >>> CLKS PIN. >>> >>> SCLKME CLKSM Input Clock For Sample Rate Generator >>> 0 0 Signal on CLKS pin >>> 0 1 ASP internal input clock >>> 1 0 Signal on CLKR pin >>> 1 1 Signal on CLKX pin >>> >>> >>> >>> ----- Original Message ----- >>> *From:* Azam Ansari <[email protected]> >>> *To:* [email protected] ; >>> [email protected] >>> *Sent:* Wednesday, March 04, 2009 1:22 PM >>> *Subject:* Re: DM355 daughter sound card problem >>> >>> Hi, >>> >>> I am sorry I didn't say this before. I am already using the setting >>> suggested by you. >>> >>> Below is the detailed setting that I am using for configuring MCBSP0: >>> >>> #define MCLK 27 >>> #define DAVINCI_DMA_MCBSP_TX 2 >>> #define DAVINCI_DMA_MCBSP_RX 3 >>> >>> #define DEFAULT_BITPERSAMPLE 256 >>> #define AUDIO_RATE_DEFAULT 8000 >>> >>> >>> output_stream.dma_dev = DAVINCI_DMA_MCBSP_TX >>> input_stream.dma_dev = DAVINCI_DMA_MCBSP_RX >>> >>> >>> /* MCBSP register settings for I2S */ >>> spcr2 = FREE | XINTM(3), >>> spcr1 = RINTM(3), >>> rcr2 = RWDLEN2(DAVINCI_MCBSP_WORD_16) | RDATDLY(1), >>> rcr1 = RFRLEN1(1) | RWDLEN1(DAVINCI_MCBSP_WORD_16), >>> xcr2 = XWDLEN2(DAVINCI_MCBSP_WORD_16) | XDATDLY(1) | XFIG, >>> xcr1 = XFRLEN1(1) | XWDLEN1(DAVINCI_MCBSP_WORD_16), >>> srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), >>> srgr2 = FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), >>> /* configure McBSP to be the I2S slave */ >>> pcr0 = CLKXP | CLKRP, >>> >>> >>> /* MCBSP0 information */ >>> struct davinci_mcbsp_info mcbsp_davinci = { >>> .virt_base = IO_ADDRESS(DAVINCI_MCBSP0_BASE), >>> .dma_rx_sync = DM355_DMA_MCBSP0_RX, >>> .dma_tx_sync = DM355_DMA_MCBSP0_TX, >>> .rx_irq = IRQ_MBRINT, >>> .tx_irq = IRQ_MBXINT >>> }, >>> >>> Is there any thing else that I will have to do? >>> >>> Please help... >>> >>> >>> >>> 2009/3/3 <[email protected]> >>> >>>> Hi， >>>> I know your means. >>>> Following codes are used for configuaring MCBSP0 on my board: >>>> >>>> input_stream.dma_dev = DM355_DMA_MCBSP0_RX; >>>> output_stream.dma_dev = DM355_DMA_MCBSP0_TX; >>>> >>>> >>>> #define MCBSP_DXR (cpu_is_davinci_dm355() ? 0x01E02004:0x01E04004) >>>> #define MCBSP_DRR (cpu_is_davinci_dm355() ? 0x01E02000:0x01E04000) >>>> >>>> >>>> >>>> > Hi, >>>> > >>>> > I am using MCBSP0 for I2S data transfer. The daughter sound is >>>> connected to >>>> > MCBSP0 through DC3. Also for recoding the daughter card works in >>>> Master >>>> > mode. The default code is already configured for using MCBSP1. >>>> Configuration >>>> > suggested by you are used for configuring MCBSP1 and not MCBSP0. I am >>>> using >>>> > MCBSP0 for I2S. >>>> > >>>> > >>>> > On Tue, Mar 3, 2009 at 3:04 PM, <[email protected]> wrote: >>>> > >>>> >> Step 1: modify the following code with McBSP1 DMA params ( >>>> >> DM355_DMA_MCBSP0_RX, DM355_DMA_MCBSP1_TX)in file >>>> davinci-audio-aic33.c. >>>> >> >>>> >> input_stream.dma_dev = DM355_DMA_MCBSP1_RX; >>>> >> output_stream.dma_dev = DM355_DMA_MCBSP1_TX; >>>> >> >>>> >> >>>> >> Step 2 : modefy the following code in file davinci-audio-dma-intfc.c >>>> >> #define MCBSP_DXR (cpu_is_davinci_dm355() ? 0x01E04004 : >>>> >> 0x01E02004) >>>> >> #define MCBSP_DRR (cpu_is_davinci_dm355() ? 0x01E04000 : >>>> >> 0x01E02000) >>>> >> like this >>>> >> #define MCBSP_DXR (cpu_is_davinci_dm355() ? >>>> >> 0x01E02004:0x01E04004) >>>> >> #define MCBSP_DRR (cpu_is_davinci_dm355() ? >>>> >> 0x01E02000:0x01E04000) >>>> >> >>>> >> I do it so , GOOD LUCK! >>>> >> >>>> >> >>>> >> ----- Original Message ----- >>>> >> *From:* Azam Ansari <[email protected]> >>>> >> *To:* [email protected] ; >>>> [email protected] >>>> >> *Sent:* Tuesday, March 03, 2009 4:53 PM >>>> >> *Subject:* Re: DM355 daughter sound card problem >>>> >> >>>> >> Please can you provide some more details.... >>>> >> Which clock to configure? >>>> >> How to configure the clock? >>>> >> >>>> >> 2009/3/3 Kapil Pendse <[email protected]> >>>> >> >>>> >>> Hi All, >>>> >>> >>>> >>> >>>> >>> I am developing driver for daughter sound card on DM355 by modifying >>>> the >>>> >>> AIC33 driver. >>>> >>> >>>> >>> >>>> >>> >>>> >>> I2C is working fine and the ioctl's are working fine but recording >>>> is not >>>> >>> working. >>>> >>> >>>> >>> >>>> >>> >>>> >>> There are 2 McBSP bus (McBSP1 and McBSP2) used for DMA transfer out >>>> of >>>> >>> which McBSP1 is used for the sound daughter card. >>>> >>> >>>> >>> Audio format is I2S. >>>> >>> >>>> >>> Following is the configuration that I tried: >>>> >>> >>>> >>> #define DEFAULT_BITPERSAMPLE 256 >>>> >>> >>>> >>> #define AUDIO_RATE_DEFAULT 8000 >>>> >>> >>>> >>> #define AUDIO_MCBSP DAVINCI_MCBSP1 >>>> >>> >>>> >>> McBSP1 is configured as slave for recording. >>>> >>> >>>> >>> Below is configuration for McBSP1: >>>> >>> >>>> >>> .spcr2 = FREE | XINTM(3), >>>> >>> .spcr1 = RINTM(3), >>>> >>> .rcr2 = RWDLEN2(DAVINCI_MCBSP_WORD_16) | RDATDLY(1), >>>> >>> .rcr1 = RFRLEN1(1) | RWDLEN1(DAVINCI_MCBSP_WORD_16), >>>> >>> .xcr2 = XWDLEN2(DAVINCI_MCBSP_WORD_16) | XDATDLY(1) | XFIG, >>>> >>> .xcr1 = XFRLEN1(1) | XWDLEN1(DAVINCI_MCBSP_WORD_16), >>>> >>> .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), >>>> >>> .srgr2 = FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), >>>> >>> /* configure McBSP to be the I2S master */ >>>> >>> .pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP, >>>> >>> >>>> >>> >>>> >>> >>>> >>> Daughter card is configured for 16bit word, 8000KHz and 256bits per >>>> >>> sample. >>>> >>> >>>> >>> >>>> >>> AIC33 uses McBSP2 while my audio daughter card uses McBSP1. Also, >>>> the >>>> >>> default bits per sample for AIC33 is 16, I've changed it to 256. >>>> >>> >>>> >>> >>>> >>> But I don't get any interrupt for recording. >>>> >>> >>>> >>> Please can anyone help to sort out the problem. >>>> >>> >>>> >>> >>>> >>> >>>> >>> Thanks, >>>> >>> >>>> >>> Azam. >>>> >>> >>>> >>> _______________________________________________ >>>> >>> Davinci-linux-open-source mailing list >>>> >>> [email protected] >>>> >>> >>>> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source >>>> >>> >>>> >>> >>>> >> >>>> >> >>>> >> -- >>>> >> "Happiness keeps u Sweet, Trials keep u Strong, Sorrow keeps u Human, >>>> >> Failure Keeps u Humble, Success keeps u Glowing, But only GOD Keeps u >>>> >> Going....." >>>> >> >>>> >> >>>> > >>>> > >>>> > -- >>>> > "Happiness keeps u Sweet, Trials keep u Strong, Sorrow keeps u Human, >>>> > Failure Keeps u Humble, Success keeps u Glowing, But only GOD Keeps u >>>> > Going....." >>>> > >>>> >>>> >>> >>> >>> -- >>> "Happiness keeps u Sweet, Trials keep u Strong, Sorrow keeps u Human, >>> Failure Keeps u Humble, Success keeps u Glowing, But only GOD Keeps u >>> Going....." >>> >>> >> >> >> -- >> "Happiness keeps u Sweet, Trials keep u Strong, Sorrow keeps u Human, >> Failure Keeps u Humble, Success keeps u Glowing, But only GOD Keeps u >> Going....." >> >> > > > -- > "Happiness keeps u Sweet, Trials keep u Strong, Sorrow keeps u Human, > Failure Keeps u Humble, Success keeps u Glowing, But only GOD Keeps u > Going....." > > -- "Happiness keeps u Sweet, Trials keep u Strong, Sorrow keeps u Human, Failure Keeps u Humble, Success keeps u Glowing, But only GOD Keeps u Going....."
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