diff options
Diffstat (limited to 'sound/soc/blackfin/bf5xx-ac97.c')
-rw-r--r-- | sound/soc/blackfin/bf5xx-ac97.c | 179 |
1 files changed, 110 insertions, 69 deletions
diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c index c782e31..3be2be6 100644 --- a/sound/soc/blackfin/bf5xx-ac97.c +++ b/sound/soc/blackfin/bf5xx-ac97.c @@ -54,71 +54,103 @@ static int *cmd_count; static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM; -#if defined(CONFIG_BF54x) +static u16 sport_req[][7] = { + PIN_REQ_SPORT_0, +#ifdef PIN_REQ_SPORT_1 + PIN_REQ_SPORT_1, +#endif +#ifdef PIN_REQ_SPORT_2 + PIN_REQ_SPORT_2, +#endif +#ifdef PIN_REQ_SPORT_3 + PIN_REQ_SPORT_3, +#endif + }; + static struct sport_param sport_params[4] = { { .dma_rx_chan = CH_SPORT0_RX, .dma_tx_chan = CH_SPORT0_TX, - .err_irq = IRQ_SPORT0_ERR, + .err_irq = IRQ_SPORT0_ERROR, .regs = (struct sport_register *)SPORT0_TCR1, }, +#ifdef PIN_REQ_SPORT_1 { .dma_rx_chan = CH_SPORT1_RX, .dma_tx_chan = CH_SPORT1_TX, - .err_irq = IRQ_SPORT1_ERR, + .err_irq = IRQ_SPORT1_ERROR, .regs = (struct sport_register *)SPORT1_TCR1, }, +#endif +#ifdef PIN_REQ_SPORT_2 { .dma_rx_chan = CH_SPORT2_RX, .dma_tx_chan = CH_SPORT2_TX, - .err_irq = IRQ_SPORT2_ERR, + .err_irq = IRQ_SPORT2_ERROR, .regs = (struct sport_register *)SPORT2_TCR1, }, +#endif +#ifdef PIN_REQ_SPORT_3 { .dma_rx_chan = CH_SPORT3_RX, .dma_tx_chan = CH_SPORT3_TX, - .err_irq = IRQ_SPORT3_ERR, + .err_irq = IRQ_SPORT3_ERROR, .regs = (struct sport_register *)SPORT3_TCR1, } -}; -#else -static struct sport_param sport_params[2] = { - { - .dma_rx_chan = CH_SPORT0_RX, - .dma_tx_chan = CH_SPORT0_TX, - .err_irq = IRQ_SPORT0_ERROR, - .regs = (struct sport_register *)SPORT0_TCR1, - }, - { - .dma_rx_chan = CH_SPORT1_RX, - .dma_tx_chan = CH_SPORT1_TX, - .err_irq = IRQ_SPORT1_ERROR, - .regs = (struct sport_register *)SPORT1_TCR1, - } -}; #endif +}; -void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u32 *src, \ - size_t count) +void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src, + size_t count, unsigned int chan_mask) { while (count--) { - dst->ac97_tag = TAG_VALID | TAG_PCM; - (dst++)->ac97_pcm = *src++; + dst->ac97_tag = TAG_VALID; + if (chan_mask & SP_FL) { + dst->ac97_pcm_r = *src++; + dst->ac97_tag |= TAG_PCM_RIGHT; + } + if (chan_mask & SP_FR) { + dst->ac97_pcm_l = *src++; + dst->ac97_tag |= TAG_PCM_LEFT; + + } +#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT) + if (chan_mask & SP_SR) { + dst->ac97_sl = *src++; + dst->ac97_tag |= TAG_PCM_SL; + } + if (chan_mask & SP_SL) { + dst->ac97_sr = *src++; + dst->ac97_tag |= TAG_PCM_SR; + } + if (chan_mask & SP_LFE) { + dst->ac97_lfe = *src++; + dst->ac97_tag |= TAG_PCM_LFE; + } + if (chan_mask & SP_FC) { + dst->ac97_center = *src++; + dst->ac97_tag |= TAG_PCM_CENTER; + } +#endif + dst++; } } EXPORT_SYMBOL(bf5xx_pcm_to_ac97); -void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u32 *dst, \ +void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst, size_t count) { - while (count--) - *(dst++) = (src++)->ac97_pcm; + while (count--) { + *(dst++) = src->ac97_pcm_l; + *(dst++) = src->ac97_pcm_r; + src++; + } } EXPORT_SYMBOL(bf5xx_ac97_to_pcm); static unsigned int sport_tx_curr_frag(struct sport_device *sport) { - return sport->tx_curr_frag = sport_curr_offset_tx(sport) / \ + return sport->tx_curr_frag = sport_curr_offset_tx(sport) / sport->tx_fragsize; } @@ -129,9 +161,8 @@ static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data) struct ac97_frame *nextwrite; sport_incfrag(sport, &nextfrag, 1); - sport_incfrag(sport, &nextfrag, 1); - nextwrite = (struct ac97_frame *)(sport->tx_buf + \ + nextwrite = (struct ac97_frame *)(sport->tx_buf + nextfrag * sport->tx_fragsize); pr_debug("sport->tx_buf:%p, nextfrag:0x%x nextwrite:%p, cmd_count:%d\n", sport->tx_buf, nextfrag, nextwrite, cmd_count[nextfrag]); @@ -238,8 +269,7 @@ struct snd_ac97_bus_ops soc_ac97_ops = { EXPORT_SYMBOL_GPL(soc_ac97_ops); #ifdef CONFIG_PM -static int bf5xx_ac97_suspend(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int bf5xx_ac97_suspend(struct snd_soc_dai *dai) { struct sport_device *sport = (struct sport_device *)dai->private_data; @@ -254,8 +284,7 @@ static int bf5xx_ac97_suspend(struct platform_device *pdev, return 0; } -static int bf5xx_ac97_resume(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int bf5xx_ac97_resume(struct snd_soc_dai *dai) { int ret; struct sport_device *sport = @@ -298,20 +327,15 @@ static int bf5xx_ac97_resume(struct platform_device *pdev, static int bf5xx_ac97_probe(struct platform_device *pdev, struct snd_soc_dai *dai) { - int ret; -#if defined(CONFIG_BF54x) - u16 sport_req[][7] = {PIN_REQ_SPORT_0, PIN_REQ_SPORT_1, - PIN_REQ_SPORT_2, PIN_REQ_SPORT_3}; -#else - u16 sport_req[][7] = {PIN_REQ_SPORT_0, PIN_REQ_SPORT_1}; -#endif + int ret = 0; cmd_count = (int *)get_zeroed_page(GFP_KERNEL); if (cmd_count == NULL) return -ENOMEM; if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) { pr_err("Requesting Peripherals failed\n"); - return -EFAULT; + ret = -EFAULT; + goto peripheral_err; } #ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET @@ -319,54 +343,54 @@ static int bf5xx_ac97_probe(struct platform_device *pdev, if (gpio_request(CONFIG_SND_BF5XX_RESET_GPIO_NUM, "SND_AD198x RESET")) { pr_err("Failed to request GPIO_%d for reset\n", CONFIG_SND_BF5XX_RESET_GPIO_NUM); - peripheral_free_list(&sport_req[sport_num][0]); - return -1; + ret = -1; + goto gpio_err; } gpio_direction_output(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1); #endif sport_handle = sport_init(&sport_params[sport_num], 2, \ sizeof(struct ac97_frame), NULL); if (!sport_handle) { - peripheral_free_list(&sport_req[sport_num][0]); -#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET - gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM); -#endif - return -ENODEV; + ret = -ENODEV; + goto sport_err; } /*SPORT works in TDM mode to simulate AC97 transfers*/ ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1); if (ret) { pr_err("SPORT is busy!\n"); - kfree(sport_handle); - peripheral_free_list(&sport_req[sport_num][0]); -#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET - gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM); -#endif - return -EBUSY; + ret = -EBUSY; + goto sport_config_err; } ret = sport_config_rx(sport_handle, IRFS, 0xF, 0, (16*16-1)); if (ret) { pr_err("SPORT is busy!\n"); - kfree(sport_handle); - peripheral_free_list(&sport_req[sport_num][0]); -#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET - gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM); -#endif - return -EBUSY; + ret = -EBUSY; + goto sport_config_err; } ret = sport_config_tx(sport_handle, ITFS, 0xF, 0, (16*16-1)); if (ret) { pr_err("SPORT is busy!\n"); - kfree(sport_handle); - peripheral_free_list(&sport_req[sport_num][0]); -#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET - gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM); -#endif - return -EBUSY; + ret = -EBUSY; + goto sport_config_err; } + return 0; + +sport_config_err: + kfree(sport_handle); +sport_err: +#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET + gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM); +#endif +gpio_err: + peripheral_free_list(&sport_req[sport_num][0]); +peripheral_err: + free_page((unsigned long)cmd_count); + cmd_count = NULL; + + return ret; } static void bf5xx_ac97_remove(struct platform_device *pdev, @@ -374,6 +398,7 @@ static void bf5xx_ac97_remove(struct platform_device *pdev, { free_page((unsigned long)cmd_count); cmd_count = NULL; + peripheral_free_list(&sport_req[sport_num][0]); #ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM); #endif @@ -382,7 +407,7 @@ static void bf5xx_ac97_remove(struct platform_device *pdev, struct snd_soc_dai bfin_ac97_dai = { .name = "bf5xx-ac97", .id = 0, - .type = SND_SOC_DAI_AC97, + .ac97_control = 1, .probe = bf5xx_ac97_probe, .remove = bf5xx_ac97_remove, .suspend = bf5xx_ac97_suspend, @@ -390,7 +415,11 @@ struct snd_soc_dai bfin_ac97_dai = { .playback = { .stream_name = "AC97 Playback", .channels_min = 2, +#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT) + .channels_max = 6, +#else .channels_max = 2, +#endif .rates = SNDRV_PCM_RATE_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { @@ -402,6 +431,18 @@ struct snd_soc_dai bfin_ac97_dai = { }; EXPORT_SYMBOL_GPL(bfin_ac97_dai); +static int __init bfin_ac97_init(void) +{ + return snd_soc_register_dai(&bfin_ac97_dai); +} +module_init(bfin_ac97_init); + +static void __exit bfin_ac97_exit(void) +{ + snd_soc_unregister_dai(&bfin_ac97_dai); +} +module_exit(bfin_ac97_exit); + MODULE_AUTHOR("Roy Huang"); MODULE_DESCRIPTION("AC97 driver for ADI Blackfin"); MODULE_LICENSE("GPL"); |