diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/davinci_voicecodec.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/mfd/davinci_voicecodec.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/davinci_voicecodec.c b/ANDROID_3.4.5/drivers/mfd/davinci_voicecodec.c deleted file mode 100644 index 4e2af2cb..00000000 --- a/ANDROID_3.4.5/drivers/mfd/davinci_voicecodec.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * DaVinci Voice Codec Core Interface for TI platforms - * - * Copyright (C) 2010 Texas Instruments, Inc - * - * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/clk.h> - -#include <sound/pcm.h> - -#include <linux/mfd/davinci_voicecodec.h> - -u32 davinci_vc_read(struct davinci_vc *davinci_vc, int reg) -{ - return __raw_readl(davinci_vc->base + reg); -} - -void davinci_vc_write(struct davinci_vc *davinci_vc, - int reg, u32 val) -{ - __raw_writel(val, davinci_vc->base + reg); -} - -static int __init davinci_vc_probe(struct platform_device *pdev) -{ - struct davinci_vc *davinci_vc; - struct resource *res, *mem; - struct mfd_cell *cell = NULL; - int ret; - - davinci_vc = kzalloc(sizeof(struct davinci_vc), GFP_KERNEL); - if (!davinci_vc) { - dev_dbg(&pdev->dev, - "could not allocate memory for private data\n"); - return -ENOMEM; - } - - davinci_vc->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(davinci_vc->clk)) { - dev_dbg(&pdev->dev, - "could not get the clock for voice codec\n"); - ret = -ENODEV; - goto fail1; - } - clk_enable(davinci_vc->clk); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no mem resource\n"); - ret = -ENODEV; - goto fail2; - } - - davinci_vc->pbase = res->start; - davinci_vc->base_size = resource_size(res); - - mem = request_mem_region(davinci_vc->pbase, davinci_vc->base_size, - pdev->name); - if (!mem) { - dev_err(&pdev->dev, "VCIF region already claimed\n"); - ret = -EBUSY; - goto fail2; - } - - davinci_vc->base = ioremap(davinci_vc->pbase, davinci_vc->base_size); - if (!davinci_vc->base) { - dev_err(&pdev->dev, "can't ioremap mem resource.\n"); - ret = -ENOMEM; - goto fail3; - } - - res = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!res) { - dev_err(&pdev->dev, "no DMA resource\n"); - ret = -ENXIO; - goto fail4; - } - - davinci_vc->davinci_vcif.dma_tx_channel = res->start; - davinci_vc->davinci_vcif.dma_tx_addr = - (dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_WFIFO); - - res = platform_get_resource(pdev, IORESOURCE_DMA, 1); - if (!res) { - dev_err(&pdev->dev, "no DMA resource\n"); - ret = -ENXIO; - goto fail4; - } - - davinci_vc->davinci_vcif.dma_rx_channel = res->start; - davinci_vc->davinci_vcif.dma_rx_addr = - (dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_RFIFO); - - davinci_vc->dev = &pdev->dev; - davinci_vc->pdev = pdev; - - /* Voice codec interface client */ - cell = &davinci_vc->cells[DAVINCI_VC_VCIF_CELL]; - cell->name = "davinci-vcif"; - cell->platform_data = davinci_vc; - cell->pdata_size = sizeof(*davinci_vc); - - /* Voice codec CQ93VC client */ - cell = &davinci_vc->cells[DAVINCI_VC_CQ93VC_CELL]; - cell->name = "cq93vc-codec"; - cell->platform_data = davinci_vc; - cell->pdata_size = sizeof(*davinci_vc); - - ret = mfd_add_devices(&pdev->dev, pdev->id, davinci_vc->cells, - DAVINCI_VC_CELLS, NULL, 0); - if (ret != 0) { - dev_err(&pdev->dev, "fail to register client devices\n"); - goto fail4; - } - - return 0; - -fail4: - iounmap(davinci_vc->base); -fail3: - release_mem_region(davinci_vc->pbase, davinci_vc->base_size); -fail2: - clk_disable(davinci_vc->clk); - clk_put(davinci_vc->clk); - davinci_vc->clk = NULL; -fail1: - kfree(davinci_vc); - - return ret; -} - -static int __devexit davinci_vc_remove(struct platform_device *pdev) -{ - struct davinci_vc *davinci_vc = platform_get_drvdata(pdev); - - mfd_remove_devices(&pdev->dev); - - iounmap(davinci_vc->base); - release_mem_region(davinci_vc->pbase, davinci_vc->base_size); - - clk_disable(davinci_vc->clk); - clk_put(davinci_vc->clk); - davinci_vc->clk = NULL; - - kfree(davinci_vc); - - return 0; -} - -static struct platform_driver davinci_vc_driver = { - .driver = { - .name = "davinci_voicecodec", - .owner = THIS_MODULE, - }, - .remove = __devexit_p(davinci_vc_remove), -}; - -static int __init davinci_vc_init(void) -{ - return platform_driver_probe(&davinci_vc_driver, davinci_vc_probe); -} -module_init(davinci_vc_init); - -static void __exit davinci_vc_exit(void) -{ - platform_driver_unregister(&davinci_vc_driver); -} -module_exit(davinci_vc_exit); - -MODULE_AUTHOR("Miguel Aguilar"); -MODULE_DESCRIPTION("Texas Instruments DaVinci Voice Codec Core Interface"); -MODULE_LICENSE("GPL"); |