diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2013-05-28 21:22:17 +0400 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-05-30 15:33:41 +0400 |
commit | cc37961b21eb3d57d421ca34ffec9bbe0a6096c0 (patch) | |
tree | 3a10e59aae5e9788b8920e9acaafbfe7cb3f8223 /sound/soc/blackfin/bf5xx-tdm.c | |
parent | 34f4095564ff334adae5ab4a9904f8d66d03e994 (diff) | |
download | linux-cc37961b21eb3d57d421ca34ffec9bbe0a6096c0.tar.xz |
ASoC: blackfin: Remove bf5xx-tdm driver
Now that the bf5xx-i2s driver supports TDM mode and all users of the bf5xx-tdm
driver have been switch over to using the bf5xx-i2s driver there is no need to
keep the b5fxx-tdm driver around.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/blackfin/bf5xx-tdm.c')
-rw-r--r-- | sound/soc/blackfin/bf5xx-tdm.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/sound/soc/blackfin/bf5xx-tdm.c b/sound/soc/blackfin/bf5xx-tdm.c deleted file mode 100644 index aa0851650b56..000000000000 --- a/sound/soc/blackfin/bf5xx-tdm.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - * File: sound/soc/blackfin/bf5xx-tdm.c - * Author: Barry Song <Barry.Song@analog.com> - * - * Created: Thurs June 04 2009 - * Description: Blackfin I2S(TDM) CPU DAI driver - * Even though TDM mode can be as part of I2S DAI, but there - * are so much difference in configuration and data flow, - * it's very ugly to integrate I2S and TDM into a module - * - * Modified: - * Copyright 2009 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <sound/soc.h> - -#include <asm/irq.h> -#include <asm/portmux.h> -#include <linux/mutex.h> -#include <linux/gpio.h> - -#include "bf5xx-sport.h" -#include "bf5xx-tdm.h" - -static int bf5xx_tdm_set_dai_fmt(struct snd_soc_dai *cpu_dai, - unsigned int fmt) -{ - int ret = 0; - - /* interface format:support TDM,slave mode */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_DSP_A: - break; - default: - printk(KERN_ERR "%s: Unknown DAI format type\n", __func__); - ret = -EINVAL; - break; - } - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - break; - case SND_SOC_DAIFMT_CBS_CFS: - case SND_SOC_DAIFMT_CBM_CFS: - case SND_SOC_DAIFMT_CBS_CFM: - ret = -EINVAL; - break; - default: - printk(KERN_ERR "%s: Unknown DAI master type\n", __func__); - ret = -EINVAL; - break; - } - - return ret; -} - -static int bf5xx_tdm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data; - int ret = 0; - - bf5xx_tdm->tcr2 &= ~0x1f; - bf5xx_tdm->rcr2 &= ~0x1f; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S32_LE: - bf5xx_tdm->tcr2 |= 31; - bf5xx_tdm->rcr2 |= 31; - sport_handle->wdsize = 4; - break; - /* at present, we only support 32bit transfer */ - default: - pr_err("not supported PCM format yet\n"); - return -EINVAL; - break; - } - - if (!bf5xx_tdm->configured) { - /* - * TX and RX are not independent,they are enabled at the - * same time, even if only one side is running. So, we - * need to configure both of them at the time when the first - * stream is opened. - * - * CPU DAI:slave mode. - */ - ret = sport_config_rx(sport_handle, bf5xx_tdm->rcr1, - bf5xx_tdm->rcr2, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - return -EBUSY; - } - - ret = sport_config_tx(sport_handle, bf5xx_tdm->tcr1, - bf5xx_tdm->tcr2, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - return -EBUSY; - } - - bf5xx_tdm->configured = 1; - } - - return 0; -} - -static void bf5xx_tdm_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data; - - /* No active stream, SPORT is allowed to be configured again. */ - if (!dai->active) - bf5xx_tdm->configured = 0; -} - -static int bf5xx_tdm_set_channel_map(struct snd_soc_dai *dai, - unsigned int tx_num, unsigned int *tx_slot, - unsigned int rx_num, unsigned int *rx_slot) -{ - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data; - int i; - unsigned int slot; - unsigned int tx_mapped = 0, rx_mapped = 0; - - if ((tx_num > BFIN_TDM_DAI_MAX_SLOTS) || - (rx_num > BFIN_TDM_DAI_MAX_SLOTS)) - return -EINVAL; - - for (i = 0; i < tx_num; i++) { - slot = tx_slot[i]; - if ((slot < BFIN_TDM_DAI_MAX_SLOTS) && - (!(tx_mapped & (1 << slot)))) { - bf5xx_tdm->tx_map[i] = slot; - tx_mapped |= 1 << slot; - } else - return -EINVAL; - } - for (i = 0; i < rx_num; i++) { - slot = rx_slot[i]; - if ((slot < BFIN_TDM_DAI_MAX_SLOTS) && - (!(rx_mapped & (1 << slot)))) { - bf5xx_tdm->rx_map[i] = slot; - rx_mapped |= 1 << slot; - } else - return -EINVAL; - } - - return 0; -} - -#ifdef CONFIG_PM -static int bf5xx_tdm_suspend(struct snd_soc_dai *dai) -{ - struct sport_device *sport = snd_soc_dai_get_drvdata(dai); - - if (dai->playback_active) - sport_tx_stop(sport); - if (dai->capture_active) - sport_rx_stop(sport); - - /* isolate sync/clock pins from codec while sports resume */ - peripheral_free_list(sport->pin_req); - - return 0; -} - -static int bf5xx_tdm_resume(struct snd_soc_dai *dai) -{ - int ret; - struct sport_device *sport = snd_soc_dai_get_drvdata(dai); - - ret = sport_set_multichannel(sport, 8, 0xFF, 0xFF, 1); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - } - - ret = sport_config_rx(sport, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - } - - ret = sport_config_tx(sport, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - } - - peripheral_request_list(sport->pin_req, "soc-audio"); - - return 0; -} - -#else -#define bf5xx_tdm_suspend NULL -#define bf5xx_tdm_resume NULL -#endif - -static const struct snd_soc_dai_ops bf5xx_tdm_dai_ops = { - .hw_params = bf5xx_tdm_hw_params, - .set_fmt = bf5xx_tdm_set_dai_fmt, - .shutdown = bf5xx_tdm_shutdown, - .set_channel_map = bf5xx_tdm_set_channel_map, -}; - -static struct snd_soc_dai_driver bf5xx_tdm_dai = { - .suspend = bf5xx_tdm_suspend, - .resume = bf5xx_tdm_resume, - .playback = { - .channels_min = 2, - .channels_max = 8, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S32_LE,}, - .capture = { - .channels_min = 2, - .channels_max = 8, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S32_LE,}, - .ops = &bf5xx_tdm_dai_ops, -}; - -static const struct snd_soc_component_driver bf5xx_tdm_component = { - .name = "bf5xx-tdm", -}; - -static int bfin_tdm_probe(struct platform_device *pdev) -{ - struct sport_device *sport_handle; - int ret; - - /* configure SPORT for TDM */ - sport_handle = sport_init(pdev, 4, 8 * sizeof(u32), - sizeof(struct bf5xx_tdm_port)); - if (!sport_handle) - return -ENODEV; - - /* SPORT works in TDM mode */ - ret = sport_set_multichannel(sport_handle, 8, 0xFF, 0xFF, 1); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - goto sport_config_err; - } - - ret = sport_config_rx(sport_handle, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - goto sport_config_err; - } - - ret = sport_config_tx(sport_handle, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - goto sport_config_err; - } - - ret = snd_soc_register_component(&pdev->dev, &bf5xx_tdm_component, - &bf5xx_tdm_dai, 1); - if (ret) { - pr_err("Failed to register DAI: %d\n", ret); - goto sport_config_err; - } - - return 0; - -sport_config_err: - sport_done(sport_handle); - return ret; -} - -static int bfin_tdm_remove(struct platform_device *pdev) -{ - struct sport_device *sport_handle = platform_get_drvdata(pdev); - - snd_soc_unregister_component(&pdev->dev); - sport_done(sport_handle); - - return 0; -} - -static struct platform_driver bfin_tdm_driver = { - .probe = bfin_tdm_probe, - .remove = bfin_tdm_remove, - .driver = { - .name = "bfin-tdm", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(bfin_tdm_driver); - -/* Module information */ -MODULE_AUTHOR("Barry Song"); -MODULE_DESCRIPTION("TDM driver for ADI Blackfin"); -MODULE_LICENSE("GPL"); - |