diff options
Diffstat (limited to 'sound/soc/blackfin/bf5xx-ad73311.c')
| -rw-r--r-- | sound/soc/blackfin/bf5xx-ad73311.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/sound/soc/blackfin/bf5xx-ad73311.c b/sound/soc/blackfin/bf5xx-ad73311.c deleted file mode 100644 index 786bbdd96e7c..000000000000 --- a/sound/soc/blackfin/bf5xx-ad73311.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * File: sound/soc/blackfin/bf5xx-ad73311.c - * Author: Cliff Cai <Cliff.Cai@analog.com> - * - * Created: Thur Sep 25 2008 - * Description: Board driver for ad73311 sound chip - * - * Modified: - * Copyright 2008 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/module.h> -#include <linux/moduleparam.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/gpio.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <sound/pcm_params.h> - -#include <asm/blackfin.h> -#include <asm/cacheflush.h> -#include <asm/irq.h> -#include <asm/dma.h> -#include <asm/portmux.h> - -#include "../codecs/ad73311.h" -#include "bf5xx-sport.h" - -#if CONFIG_SND_BF5XX_SPORT_NUM == 0 -#define bfin_write_SPORT_TCR1 bfin_write_SPORT0_TCR1 -#define bfin_read_SPORT_TCR1 bfin_read_SPORT0_TCR1 -#define bfin_write_SPORT_TCR2 bfin_write_SPORT0_TCR2 -#define bfin_write_SPORT_TX16 bfin_write_SPORT0_TX16 -#define bfin_read_SPORT_STAT bfin_read_SPORT0_STAT -#else -#define bfin_write_SPORT_TCR1 bfin_write_SPORT1_TCR1 -#define bfin_read_SPORT_TCR1 bfin_read_SPORT1_TCR1 -#define bfin_write_SPORT_TCR2 bfin_write_SPORT1_TCR2 -#define bfin_write_SPORT_TX16 bfin_write_SPORT1_TX16 -#define bfin_read_SPORT_STAT bfin_read_SPORT1_STAT -#endif - -#define GPIO_SE CONFIG_SND_BFIN_AD73311_SE - -static struct snd_soc_card bf5xx_ad73311; - -static int snd_ad73311_startup(void) -{ - pr_debug("%s enter\n", __func__); - - /* Pull up SE pin on AD73311L */ - gpio_set_value(GPIO_SE, 1); - return 0; -} - -static int snd_ad73311_configure(void) -{ - unsigned short ctrl_regs[6]; - unsigned short status = 0; - int count = 0; - - /* DMCLK = MCLK = 16.384 MHz - * SCLK = DMCLK/8 = 2.048 MHz - * Sample Rate = DMCLK/2048 = 8 KHz - */ - ctrl_regs[0] = AD_CONTROL | AD_WRITE | CTRL_REG_B | REGB_MCDIV(0) | \ - REGB_SCDIV(0) | REGB_DIRATE(0); - ctrl_regs[1] = AD_CONTROL | AD_WRITE | CTRL_REG_C | REGC_PUDEV | \ - REGC_PUADC | REGC_PUDAC | REGC_PUREF | REGC_REFUSE ; - ctrl_regs[2] = AD_CONTROL | AD_WRITE | CTRL_REG_D | REGD_OGS(2) | \ - REGD_IGS(2); - ctrl_regs[3] = AD_CONTROL | AD_WRITE | CTRL_REG_E | REGE_DA(0x1f); - ctrl_regs[4] = AD_CONTROL | AD_WRITE | CTRL_REG_F | REGF_SEEN ; - ctrl_regs[5] = AD_CONTROL | AD_WRITE | CTRL_REG_A | REGA_MODE_DATA; - - local_irq_disable(); - snd_ad73311_startup(); - udelay(1); - - bfin_write_SPORT_TCR1(TFSR); - bfin_write_SPORT_TCR2(0xF); - SSYNC(); - - /* SPORT Tx Register is a 8 x 16 FIFO, all the data can be put to - * FIFO before enable SPORT to transfer the data - */ - for (count = 0; count < 6; count++) - bfin_write_SPORT_TX16(ctrl_regs[count]); - SSYNC(); - bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() | TSPEN); - SSYNC(); - - /* When TUVF is set, the data is already send out */ - while (!(status & TUVF) && ++count < 10000) { - udelay(1); - status = bfin_read_SPORT_STAT(); - SSYNC(); - } - bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() & ~TSPEN); - SSYNC(); - local_irq_enable(); - - if (count >= 10000) { - printk(KERN_ERR "ad73311: failed to configure codec\n"); - return -1; - } - return 0; -} - -static int bf5xx_probe(struct snd_soc_card *card) -{ - int err; - if (gpio_request(GPIO_SE, "AD73311_SE")) { - printk(KERN_ERR "%s: Failed ro request GPIO_%d\n", __func__, GPIO_SE); - return -EBUSY; - } - - gpio_direction_output(GPIO_SE, 0); - - err = snd_ad73311_configure(); - if (err < 0) - return -EFAULT; - - return 0; -} - -#define BF5XX_AD7311_DAI_FMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \ - SND_SOC_DAIFMT_CBM_CFM) - -static struct snd_soc_dai_link bf5xx_ad73311_dai[] = { - { - .name = "ad73311", - .stream_name = "AD73311", - .cpu_dai_name = "bfin-i2s.0", - .codec_dai_name = "ad73311-hifi", - .platform_name = "bfin-i2s-pcm-audio", - .codec_name = "ad73311", - .dai_fmt = BF5XX_AD7311_DAI_FMT, - }, - { - .name = "ad73311", - .stream_name = "AD73311", - .cpu_dai_name = "bfin-i2s.1", - .codec_dai_name = "ad73311-hifi", - .platform_name = "bfin-i2s-pcm-audio", - .codec_name = "ad73311", - .dai_fmt = BF5XX_AD7311_DAI_FMT, - }, -}; - -static struct snd_soc_card bf5xx_ad73311 = { - .name = "bfin-ad73311", - .owner = THIS_MODULE, - .probe = bf5xx_probe, - .dai_link = &bf5xx_ad73311_dai[CONFIG_SND_BF5XX_SPORT_NUM], - .num_links = 1, -}; - -static struct platform_device *bf5xx_ad73311_snd_device; - -static int __init bf5xx_ad73311_init(void) -{ - int ret; - - pr_debug("%s enter\n", __func__); - bf5xx_ad73311_snd_device = platform_device_alloc("soc-audio", -1); - if (!bf5xx_ad73311_snd_device) - return -ENOMEM; - - platform_set_drvdata(bf5xx_ad73311_snd_device, &bf5xx_ad73311); - ret = platform_device_add(bf5xx_ad73311_snd_device); - - if (ret) - platform_device_put(bf5xx_ad73311_snd_device); - - return ret; -} - -static void __exit bf5xx_ad73311_exit(void) -{ - pr_debug("%s enter\n", __func__); - platform_device_unregister(bf5xx_ad73311_snd_device); -} - -module_init(bf5xx_ad73311_init); -module_exit(bf5xx_ad73311_exit); - -/* Module information */ -MODULE_AUTHOR("Cliff Cai"); -MODULE_DESCRIPTION("ALSA SoC AD73311 Blackfin"); -MODULE_LICENSE("GPL"); - |