mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 11:19:37 +00:00
![Linus Torvalds](/assets/img/avatar_default.png)
This is the branch where we usually queue up cleanup efforts, moving drivers out of the architecture directory, header file restructuring, etc. Sometimes they tangle with new development so it's hard to keep it strictly to cleanups. Some of the things included in this branch are: * Atmel SAMA5 conversion to common clock * Reset framework conversion for tegra platforms - Some of this depends on tegra clock driver reworks that are shared with Mike Turquette's clk tree. * Tegra DMA refactoring, which are shared branches with the DMA tree. * Removal of some header files on exynos to prepare for multiplatform -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJS4Vf7AAoJEIwa5zzehBx3f9UP/jwMlbfbSZHfNQ/QG0SqZ9RD zvddyDMHY/qXnzgF3Dax+JR9BDDVy8AlQe713FCoiHJZggWRAbbavkx8gxITDrZQ 6NYaEkkuVxqyM8APl3PwMqYm8UZ8MUf4lCltlOA4jkesY9vue91AFnfyKh2CvHrn Leg4XT6mFzf/vYDL6RbvTz/Qr253uv3KvYBxkeiRNa0Y7OXRemEXSOfgxh0YGxUl LZ2IWQFOh/DH4kaeQI8V4G67X3ceHiFyhCnl0CPwfxaZaNBVaxvIFgIUTdetS6Sb zcXa029tE/Dfsr55vZAv9LUHEipCSOeE5rn2EJWehTWyM7vJ42Eozqgh+zfCjXS7 Ib6g2npsvIluQit/RdITu44h5yZlrQsLgKTGJ8jjXqbT4HQ/746W8b/TP0YLtbw7 N8oqr7k4vsZyF0dAYZQtfQUZeGISz67UbFcdzl9tmYOR7HFuAYkAQYst77zkVJf8 om59BAYYTG5FNjQ4I9AKUfJzxXYveI6AKpXSCCZiahpFM2D1CJIzp9Wi0GwK1HRR sFVWhS0dajvz63pVVC2tw5Sq4J7onRRNGIXFPoE5fkmlelm0/q0zzGjw3Z0nTqbZ 8zxuwuy2FfPJK11GbUAIhAgn1sCLYyAhl6IE+FsanGeMOSGIMrH0v5/HphAxoCXt BvqMDogyLoGPce1Gm3pJ =3CcT -----END PGP SIGNATURE----- Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Olof Johansson: "This is the branch where we usually queue up cleanup efforts, moving drivers out of the architecture directory, header file restructuring, etc. Sometimes they tangle with new development so it's hard to keep it strictly to cleanups. Some of the things included in this branch are: * Atmel SAMA5 conversion to common clock * Reset framework conversion for tegra platforms - Some of this depends on tegra clock driver reworks that are shared with Mike Turquette's clk tree. * Tegra DMA refactoring, which are shared branches with the DMA tree. * Removal of some header files on exynos to prepare for multiplatform" * tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits) ARM: mvebu: move Armada 370/XP specific definitions to armada-370-xp.h ARM: mvebu: remove prototypes of non-existing functions from common.h ARM: mvebu: move ARMADA_XP_MAX_CPUS to armada-370-xp.h serial: sh-sci: Rework baud rate calculation serial: sh-sci: Compute overrun_bit without using baud rate algo serial: sh-sci: Remove unused GPIO request code serial: sh-sci: Move overrun_bit and error_mask fields out of pdata serial: sh-sci: Support resources passed through platform resources serial: sh-sci: Don't check IRQ in verify port operation serial: sh-sci: Set the UPF_FIXED_PORT flag serial: sh-sci: Remove duplicate interrupt check in verify port op serial: sh-sci: Simplify baud rate calculation algorithms serial: sh-sci: Remove baud rate calculation algorithm 5 serial: sh-sci: Sort headers alphabetically ARM: EXYNOS: Kill exynos_pm_late_initcall() ARM: EXYNOS: Consolidate selection of PM_GENERIC_DOMAINS for Exynos4 ARM: at91: switch Calao QIL-A9260 board to DT clk: at91: fix pmc_clk_ids data type attriubte PM / devfreq: use inclusion <mach/map.h> instead of <plat/map-s5p.h> ARM: EXYNOS: remove <mach/regs-clock.h> for exynos ...
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
|
|
* tegra_pcm.c - Tegra PCM driver
|
|
*
|
|
* Author: Stephen Warren <swarren@nvidia.com>
|
|
* Copyright (C) 2010,2012 - NVIDIA, Inc.
|
|
*
|
|
* Based on code copyright/by:
|
|
*
|
|
* Copyright (c) 2009-2010, NVIDIA Corporation.
|
|
* Scott Peterson <speterson@nvidia.com>
|
|
* Vijay Mali <vmali@nvidia.com>
|
|
*
|
|
* Copyright (C) 2010 Google, Inc.
|
|
* Iliyan Malchev <malchev@google.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/dmaengine_pcm.h>
|
|
|
|
#include "tegra_pcm.h"
|
|
|
|
static const struct snd_pcm_hardware tegra_pcm_hardware = {
|
|
.info = SNDRV_PCM_INFO_MMAP |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_INTERLEAVED,
|
|
.period_bytes_min = 1024,
|
|
.period_bytes_max = PAGE_SIZE,
|
|
.periods_min = 2,
|
|
.periods_max = 8,
|
|
.buffer_bytes_max = PAGE_SIZE * 8,
|
|
.fifo_size = 4,
|
|
};
|
|
|
|
static const struct snd_dmaengine_pcm_config tegra_dmaengine_pcm_config = {
|
|
.pcm_hardware = &tegra_pcm_hardware,
|
|
.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
|
|
.prealloc_buffer_size = PAGE_SIZE * 8,
|
|
};
|
|
|
|
int tegra_pcm_platform_register(struct device *dev)
|
|
{
|
|
return snd_dmaengine_pcm_register(dev, &tegra_dmaengine_pcm_config, 0);
|
|
}
|
|
EXPORT_SYMBOL_GPL(tegra_pcm_platform_register);
|
|
|
|
int tegra_pcm_platform_register_with_chan_names(struct device *dev,
|
|
struct snd_dmaengine_pcm_config *config,
|
|
char *txdmachan, char *rxdmachan)
|
|
{
|
|
*config = tegra_dmaengine_pcm_config;
|
|
config->dma_dev = dev->parent;
|
|
config->chan_names[0] = txdmachan;
|
|
config->chan_names[1] = rxdmachan;
|
|
|
|
return snd_dmaengine_pcm_register(dev, config, 0);
|
|
}
|
|
EXPORT_SYMBOL_GPL(tegra_pcm_platform_register_with_chan_names);
|
|
|
|
void tegra_pcm_platform_unregister(struct device *dev)
|
|
{
|
|
return snd_dmaengine_pcm_unregister(dev);
|
|
}
|
|
EXPORT_SYMBOL_GPL(tegra_pcm_platform_unregister);
|
|
|
|
MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
|
|
MODULE_DESCRIPTION("Tegra PCM ASoC driver");
|
|
MODULE_LICENSE("GPL");
|