diff options
Diffstat (limited to 'drivers/staging/vc04_services/bcm2835-audio/bcm2835.c')
| -rw-r--r-- | drivers/staging/vc04_services/bcm2835-audio/bcm2835.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c index 00bc898b0189..b74cb104e9de 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c @@ -1,12 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright 2011 Broadcom Corporation. All rights reserved. */ -#include <linux/platform_device.h> - +#include <linux/dma-mapping.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> +#include "../interface/vchiq_arm/vchiq_bus.h" #include "bcm2835.h" static bool enable_hdmi; @@ -268,11 +268,17 @@ static int snd_add_child_devices(struct device *device, u32 numchans) return 0; } -static int snd_bcm2835_alsa_probe(struct platform_device *pdev) +static int snd_bcm2835_alsa_probe(struct vchiq_device *device) { - struct device *dev = &pdev->dev; + struct device *dev = &device->dev; int err; + err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + if (err) { + dev_err(dev, "dma_set_mask_and_coherent failed: %d\n", err); + return err; + } + if (num_channels <= 0 || num_channels > MAX_SUBSTREAMS) { num_channels = MAX_SUBSTREAMS; dev_warn(dev, "Illegal num_channels value, will use %u\n", @@ -292,32 +298,38 @@ static int snd_bcm2835_alsa_probe(struct platform_device *pdev) #ifdef CONFIG_PM -static int snd_bcm2835_alsa_suspend(struct platform_device *pdev, +static int snd_bcm2835_alsa_suspend(struct vchiq_device *device, pm_message_t state) { return 0; } -static int snd_bcm2835_alsa_resume(struct platform_device *pdev) +static int snd_bcm2835_alsa_resume(struct vchiq_device *device) { return 0; } #endif -static struct platform_driver bcm2835_alsa_driver = { +static struct vchiq_device_id device_id_table[] = { + { .name = "bcm2835-audio" }, + {} +}; +MODULE_DEVICE_TABLE(vchiq, device_id_table); + +static struct vchiq_driver bcm2835_alsa_driver = { .probe = snd_bcm2835_alsa_probe, #ifdef CONFIG_PM .suspend = snd_bcm2835_alsa_suspend, .resume = snd_bcm2835_alsa_resume, #endif + .id_table = device_id_table, .driver = { - .name = "bcm2835_audio", + .name = "bcm2835-audio", }, }; -module_platform_driver(bcm2835_alsa_driver); +module_vchiq_driver(bcm2835_alsa_driver); MODULE_AUTHOR("Dom Cobley"); MODULE_DESCRIPTION("Alsa driver for BCM2835 chip"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:bcm2835_audio"); |