| Message ID | 20230113062339.1909087-5-hch@lst.de |
|---|---|
| State | New |
| Headers | show |
| Series | [01/22] gpu/drm: remove the shmobile drm driver | expand |
On Fri, 13 Jan 2023 07:23:21 +0100, Christoph Hellwig wrote: > > Now that arch/sh is removed these drivers are dead code. > > Signed-off-by: Christoph Hellwig <hch@lst.de> Supposed you take in your tree: Acked-by: Takashi Iwai <tiwai@suse.de> thanks, Takashi > --- > sound/Kconfig | 2 - > sound/Makefile | 2 +- > sound/sh/Kconfig | 32 -- > sound/sh/Makefile | 11 - > sound/sh/aica.c | 628 ---------------------------------------- > sound/sh/aica.h | 68 ----- > sound/sh/sh_dac_audio.c | 412 -------------------------- > 7 files changed, 1 insertion(+), 1154 deletions(-) > delete mode 100644 sound/sh/Kconfig > delete mode 100644 sound/sh/Makefile > delete mode 100644 sound/sh/aica.c > delete mode 100644 sound/sh/aica.h > delete mode 100644 sound/sh/sh_dac_audio.c > > diff --git a/sound/Kconfig b/sound/Kconfig > index e56d96d2b11cae..14361bb428baa1 100644 > --- a/sound/Kconfig > +++ b/sound/Kconfig > @@ -75,8 +75,6 @@ source "sound/spi/Kconfig" > > source "sound/mips/Kconfig" > > -source "sound/sh/Kconfig" > - > # the following will depend on the order of config. > # here assuming USB is defined before ALSA > source "sound/usb/Kconfig" > diff --git a/sound/Makefile b/sound/Makefile > index 04ef04b1168f39..bb4b8806321c67 100644 > --- a/sound/Makefile > +++ b/sound/Makefile > @@ -4,7 +4,7 @@ > > obj-$(CONFIG_SOUND) += soundcore.o > obj-$(CONFIG_DMASOUND) += oss/dmasound/ > -obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \ > +obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ \ > firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ hda/ x86/ xen/ \ > virtio/ > obj-$(CONFIG_SND_AOA) += aoa/ > diff --git a/sound/sh/Kconfig b/sound/sh/Kconfig > deleted file mode 100644 > index b75fbb3236a7b9..00000000000000 > --- a/sound/sh/Kconfig > +++ /dev/null > @@ -1,32 +0,0 @@ > -# SPDX-License-Identifier: GPL-2.0-only > -# ALSA SH drivers > - > -menuconfig SND_SUPERH > - bool "SUPERH sound devices" > - depends on SUPERH > - default y > - help > - Support for sound devices specific to SUPERH architectures. > - Drivers that are implemented on ASoC can be found in > - "ALSA for SoC audio support" section. > - > -if SND_SUPERH > - > -config SND_AICA > - tristate "Dreamcast Yamaha AICA sound" > - depends on SH_DREAMCAST > - select SND_PCM > - select G2_DMA > - help > - ALSA Sound driver for the SEGA Dreamcast console. > - > -config SND_SH_DAC_AUDIO > - tristate "SuperH DAC audio support" > - depends on SND > - depends on CPU_SH3 && HIGH_RES_TIMERS > - select SND_PCM > - help > - Say Y here to include support for the on-chip DAC. > - > -endif # SND_SUPERH > - > diff --git a/sound/sh/Makefile b/sound/sh/Makefile > deleted file mode 100644 > index c0bbc500c17c73..00000000000000 > --- a/sound/sh/Makefile > +++ /dev/null > @@ -1,11 +0,0 @@ > -# SPDX-License-Identifier: GPL-2.0-only > -# > -# Makefile for ALSA > -# > - > -snd-aica-objs := aica.o > -snd-sh_dac_audio-objs := sh_dac_audio.o > - > -# Toplevel Module Dependency > -obj-$(CONFIG_SND_AICA) += snd-aica.o > -obj-$(CONFIG_SND_SH_DAC_AUDIO) += snd-sh_dac_audio.o > diff --git a/sound/sh/aica.c b/sound/sh/aica.c > deleted file mode 100644 > index 6e9d6bd67369af..00000000000000 > --- a/sound/sh/aica.c > +++ /dev/null > @@ -1,628 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* > -* > -* Copyright Adrian McMenamin 2005, 2006, 2007 > -* <adrian@mcmen.demon.co.uk> > -* Requires firmware (BSD licenced) available from: > -* http://linuxdc.cvs.sourceforge.net/linuxdc/linux-sh-dc/sound/oss/aica/firmware/ > -* or the maintainer > -*/ > - > -#include <linux/init.h> > -#include <linux/jiffies.h> > -#include <linux/slab.h> > -#include <linux/time.h> > -#include <linux/wait.h> > -#include <linux/module.h> > -#include <linux/platform_device.h> > -#include <linux/firmware.h> > -#include <linux/timer.h> > -#include <linux/delay.h> > -#include <linux/workqueue.h> > -#include <linux/io.h> > -#include <sound/core.h> > -#include <sound/control.h> > -#include <sound/pcm.h> > -#include <sound/initval.h> > -#include <sound/info.h> > -#include <asm/dma.h> > -#include <mach/sysasic.h> > -#include "aica.h" > - > -MODULE_AUTHOR("Adrian McMenamin <adrian@mcmen.demon.co.uk>"); > -MODULE_DESCRIPTION("Dreamcast AICA sound (pcm) driver"); > -MODULE_LICENSE("GPL"); > -MODULE_FIRMWARE("aica_firmware.bin"); > - > -/* module parameters */ > -#define CARD_NAME "AICA" > -static int index = -1; > -static char *id; > -static bool enable = 1; > -module_param(index, int, 0444); > -MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); > -module_param(id, charp, 0444); > -MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); > -module_param(enable, bool, 0644); > -MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); > - > -/* Simple platform device */ > -static struct platform_device *pd; > -static struct resource aica_memory_space[2] = { > - { > - .name = "AICA ARM CONTROL", > - .start = ARM_RESET_REGISTER, > - .flags = IORESOURCE_MEM, > - .end = ARM_RESET_REGISTER + 3, > - }, > - { > - .name = "AICA Sound RAM", > - .start = SPU_MEMORY_BASE, > - .flags = IORESOURCE_MEM, > - .end = SPU_MEMORY_BASE + 0x200000 - 1, > - }, > -}; > - > -/* SPU specific functions */ > -/* spu_write_wait - wait for G2-SH FIFO to clear */ > -static void spu_write_wait(void) > -{ > - int time_count; > - time_count = 0; > - while (1) { > - if (!(readl(G2_FIFO) & 0x11)) > - break; > - /* To ensure hardware failure doesn't wedge kernel */ > - time_count++; > - if (time_count > 0x10000) { > - snd_printk > - ("WARNING: G2 FIFO appears to be blocked.\n"); > - break; > - } > - } > -} > - > -/* spu_memset - write to memory in SPU address space */ > -static void spu_memset(u32 toi, u32 what, int length) > -{ > - int i; > - unsigned long flags; > - if (snd_BUG_ON(length % 4)) > - return; > - for (i = 0; i < length; i++) { > - if (!(i % 8)) > - spu_write_wait(); > - local_irq_save(flags); > - writel(what, toi + SPU_MEMORY_BASE); > - local_irq_restore(flags); > - toi++; > - } > -} > - > -/* spu_memload - write to SPU address space */ > -static void spu_memload(u32 toi, const void *from, int length) > -{ > - unsigned long flags; > - const u32 *froml = from; > - u32 __iomem *to = (u32 __iomem *) (SPU_MEMORY_BASE + toi); > - int i; > - u32 val; > - length = DIV_ROUND_UP(length, 4); > - spu_write_wait(); > - for (i = 0; i < length; i++) { > - if (!(i % 8)) > - spu_write_wait(); > - val = *froml; > - local_irq_save(flags); > - writel(val, to); > - local_irq_restore(flags); > - froml++; > - to++; > - } > -} > - > -/* spu_disable - set spu registers to stop sound output */ > -static void spu_disable(void) > -{ > - int i; > - unsigned long flags; > - u32 regval; > - spu_write_wait(); > - regval = readl(ARM_RESET_REGISTER); > - regval |= 1; > - spu_write_wait(); > - local_irq_save(flags); > - writel(regval, ARM_RESET_REGISTER); > - local_irq_restore(flags); > - for (i = 0; i < 64; i++) { > - spu_write_wait(); > - regval = readl(SPU_REGISTER_BASE + (i * 0x80)); > - regval = (regval & ~0x4000) | 0x8000; > - spu_write_wait(); > - local_irq_save(flags); > - writel(regval, SPU_REGISTER_BASE + (i * 0x80)); > - local_irq_restore(flags); > - } > -} > - > -/* spu_enable - set spu registers to enable sound output */ > -static void spu_enable(void) > -{ > - unsigned long flags; > - u32 regval = readl(ARM_RESET_REGISTER); > - regval &= ~1; > - spu_write_wait(); > - local_irq_save(flags); > - writel(regval, ARM_RESET_REGISTER); > - local_irq_restore(flags); > -} > - > -/* > - * Halt the sound processor, clear the memory, > - * load some default ARM7 code, and then restart ARM7 > -*/ > -static void spu_reset(void) > -{ > - unsigned long flags; > - spu_disable(); > - spu_memset(0, 0, 0x200000 / 4); > - /* Put ARM7 in endless loop */ > - local_irq_save(flags); > - __raw_writel(0xea000002, SPU_MEMORY_BASE); > - local_irq_restore(flags); > - spu_enable(); > -} > - > -/* aica_chn_start - write to spu to start playback */ > -static void aica_chn_start(void) > -{ > - unsigned long flags; > - spu_write_wait(); > - local_irq_save(flags); > - writel(AICA_CMD_KICK | AICA_CMD_START, (u32 *) AICA_CONTROL_POINT); > - local_irq_restore(flags); > -} > - > -/* aica_chn_halt - write to spu to halt playback */ > -static void aica_chn_halt(void) > -{ > - unsigned long flags; > - spu_write_wait(); > - local_irq_save(flags); > - writel(AICA_CMD_KICK | AICA_CMD_STOP, (u32 *) AICA_CONTROL_POINT); > - local_irq_restore(flags); > -} > - > -/* ALSA code below */ > -static const struct snd_pcm_hardware snd_pcm_aica_playback_hw = { > - .info = (SNDRV_PCM_INFO_NONINTERLEAVED), > - .formats = > - (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | > - SNDRV_PCM_FMTBIT_IMA_ADPCM), > - .rates = SNDRV_PCM_RATE_8000_48000, > - .rate_min = 8000, > - .rate_max = 48000, > - .channels_min = 1, > - .channels_max = 2, > - .buffer_bytes_max = AICA_BUFFER_SIZE, > - .period_bytes_min = AICA_PERIOD_SIZE, > - .period_bytes_max = AICA_PERIOD_SIZE, > - .periods_min = AICA_PERIOD_NUMBER, > - .periods_max = AICA_PERIOD_NUMBER, > -}; > - > -static int aica_dma_transfer(int channels, int buffer_size, > - struct snd_pcm_substream *substream) > -{ > - int q, err, period_offset; > - struct snd_card_aica *dreamcastcard; > - struct snd_pcm_runtime *runtime; > - unsigned long flags; > - err = 0; > - dreamcastcard = substream->pcm->private_data; > - period_offset = dreamcastcard->clicks; > - period_offset %= (AICA_PERIOD_NUMBER / channels); > - runtime = substream->runtime; > - for (q = 0; q < channels; q++) { > - local_irq_save(flags); > - err = dma_xfer(AICA_DMA_CHANNEL, > - (unsigned long) (runtime->dma_area + > - (AICA_BUFFER_SIZE * q) / > - channels + > - AICA_PERIOD_SIZE * > - period_offset), > - AICA_CHANNEL0_OFFSET + q * CHANNEL_OFFSET + > - AICA_PERIOD_SIZE * period_offset, > - buffer_size / channels, AICA_DMA_MODE); > - if (unlikely(err < 0)) { > - local_irq_restore(flags); > - break; > - } > - dma_wait_for_completion(AICA_DMA_CHANNEL); > - local_irq_restore(flags); > - } > - return err; > -} > - > -static void startup_aica(struct snd_card_aica *dreamcastcard) > -{ > - spu_memload(AICA_CHANNEL0_CONTROL_OFFSET, > - dreamcastcard->channel, sizeof(struct aica_channel)); > - aica_chn_start(); > -} > - > -static void run_spu_dma(struct work_struct *work) > -{ > - int buffer_size; > - struct snd_pcm_runtime *runtime; > - struct snd_card_aica *dreamcastcard; > - dreamcastcard = > - container_of(work, struct snd_card_aica, spu_dma_work); > - runtime = dreamcastcard->substream->runtime; > - if (unlikely(dreamcastcard->dma_check == 0)) { > - buffer_size = > - frames_to_bytes(runtime, runtime->buffer_size); > - if (runtime->channels > 1) > - dreamcastcard->channel->flags |= 0x01; > - aica_dma_transfer(runtime->channels, buffer_size, > - dreamcastcard->substream); > - startup_aica(dreamcastcard); > - dreamcastcard->clicks = > - buffer_size / (AICA_PERIOD_SIZE * runtime->channels); > - return; > - } else { > - aica_dma_transfer(runtime->channels, > - AICA_PERIOD_SIZE * runtime->channels, > - dreamcastcard->substream); > - snd_pcm_period_elapsed(dreamcastcard->substream); > - dreamcastcard->clicks++; > - if (unlikely(dreamcastcard->clicks >= AICA_PERIOD_NUMBER)) > - dreamcastcard->clicks %= AICA_PERIOD_NUMBER; > - mod_timer(&dreamcastcard->timer, jiffies + 1); > - } > -} > - > -static void aica_period_elapsed(struct timer_list *t) > -{ > - struct snd_card_aica *dreamcastcard = from_timer(dreamcastcard, > - t, timer); > - struct snd_pcm_substream *substream = dreamcastcard->substream; > - /*timer function - so cannot sleep */ > - int play_period; > - struct snd_pcm_runtime *runtime; > - runtime = substream->runtime; > - dreamcastcard = substream->pcm->private_data; > - /* Have we played out an additional period? */ > - play_period = > - frames_to_bytes(runtime, > - readl > - (AICA_CONTROL_CHANNEL_SAMPLE_NUMBER)) / > - AICA_PERIOD_SIZE; > - if (play_period == dreamcastcard->current_period) { > - /* reschedule the timer */ > - mod_timer(&(dreamcastcard->timer), jiffies + 1); > - return; > - } > - if (runtime->channels > 1) > - dreamcastcard->current_period = play_period; > - if (unlikely(dreamcastcard->dma_check == 0)) > - dreamcastcard->dma_check = 1; > - schedule_work(&(dreamcastcard->spu_dma_work)); > -} > - > -static void spu_begin_dma(struct snd_pcm_substream *substream) > -{ > - struct snd_card_aica *dreamcastcard; > - struct snd_pcm_runtime *runtime; > - runtime = substream->runtime; > - dreamcastcard = substream->pcm->private_data; > - /*get the queue to do the work */ > - schedule_work(&(dreamcastcard->spu_dma_work)); > - mod_timer(&dreamcastcard->timer, jiffies + 4); > -} > - > -static int snd_aicapcm_pcm_open(struct snd_pcm_substream > - *substream) > -{ > - struct snd_pcm_runtime *runtime; > - struct aica_channel *channel; > - struct snd_card_aica *dreamcastcard; > - if (!enable) > - return -ENOENT; > - dreamcastcard = substream->pcm->private_data; > - channel = kmalloc(sizeof(struct aica_channel), GFP_KERNEL); > - if (!channel) > - return -ENOMEM; > - /* set defaults for channel */ > - channel->sfmt = SM_8BIT; > - channel->cmd = AICA_CMD_START; > - channel->vol = dreamcastcard->master_volume; > - channel->pan = 0x80; > - channel->pos = 0; > - channel->flags = 0; /* default to mono */ > - dreamcastcard->channel = channel; > - runtime = substream->runtime; > - runtime->hw = snd_pcm_aica_playback_hw; > - spu_enable(); > - dreamcastcard->clicks = 0; > - dreamcastcard->current_period = 0; > - dreamcastcard->dma_check = 0; > - return 0; > -} > - > -static int snd_aicapcm_pcm_close(struct snd_pcm_substream > - *substream) > -{ > - struct snd_card_aica *dreamcastcard = substream->pcm->private_data; > - flush_work(&(dreamcastcard->spu_dma_work)); > - del_timer(&dreamcastcard->timer); > - dreamcastcard->substream = NULL; > - kfree(dreamcastcard->channel); > - spu_disable(); > - return 0; > -} > - > -static int snd_aicapcm_pcm_prepare(struct snd_pcm_substream > - *substream) > -{ > - struct snd_card_aica *dreamcastcard = substream->pcm->private_data; > - if ((substream->runtime)->format == SNDRV_PCM_FORMAT_S16_LE) > - dreamcastcard->channel->sfmt = SM_16BIT; > - dreamcastcard->channel->freq = substream->runtime->rate; > - dreamcastcard->substream = substream; > - return 0; > -} > - > -static int snd_aicapcm_pcm_trigger(struct snd_pcm_substream > - *substream, int cmd) > -{ > - switch (cmd) { > - case SNDRV_PCM_TRIGGER_START: > - spu_begin_dma(substream); > - break; > - case SNDRV_PCM_TRIGGER_STOP: > - aica_chn_halt(); > - break; > - default: > - return -EINVAL; > - } > - return 0; > -} > - > -static unsigned long snd_aicapcm_pcm_pointer(struct snd_pcm_substream > - *substream) > -{ > - return readl(AICA_CONTROL_CHANNEL_SAMPLE_NUMBER); > -} > - > -static const struct snd_pcm_ops snd_aicapcm_playback_ops = { > - .open = snd_aicapcm_pcm_open, > - .close = snd_aicapcm_pcm_close, > - .prepare = snd_aicapcm_pcm_prepare, > - .trigger = snd_aicapcm_pcm_trigger, > - .pointer = snd_aicapcm_pcm_pointer, > -}; > - > -/* TO DO: set up to handle more than one pcm instance */ > -static int __init snd_aicapcmchip(struct snd_card_aica > - *dreamcastcard, int pcm_index) > -{ > - struct snd_pcm *pcm; > - int err; > - /* AICA has no capture ability */ > - err = > - snd_pcm_new(dreamcastcard->card, "AICA PCM", pcm_index, 1, 0, > - &pcm); > - if (unlikely(err < 0)) > - return err; > - pcm->private_data = dreamcastcard; > - strcpy(pcm->name, "AICA PCM"); > - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, > - &snd_aicapcm_playback_ops); > - /* Allocate the DMA buffers */ > - snd_pcm_set_managed_buffer_all(pcm, > - SNDRV_DMA_TYPE_CONTINUOUS, > - NULL, > - AICA_BUFFER_SIZE, > - AICA_BUFFER_SIZE); > - return 0; > -} > - > -/* Mixer controls */ > -#define aica_pcmswitch_info snd_ctl_boolean_mono_info > - > -static int aica_pcmswitch_get(struct snd_kcontrol *kcontrol, > - struct snd_ctl_elem_value *ucontrol) > -{ > - ucontrol->value.integer.value[0] = 1; /* TO DO: Fix me */ > - return 0; > -} > - > -static int aica_pcmswitch_put(struct snd_kcontrol *kcontrol, > - struct snd_ctl_elem_value *ucontrol) > -{ > - if (ucontrol->value.integer.value[0] == 1) > - return 0; /* TO DO: Fix me */ > - else > - aica_chn_halt(); > - return 0; > -} > - > -static int aica_pcmvolume_info(struct snd_kcontrol *kcontrol, > - struct snd_ctl_elem_info *uinfo) > -{ > - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; > - uinfo->count = 1; > - uinfo->value.integer.min = 0; > - uinfo->value.integer.max = 0xFF; > - return 0; > -} > - > -static int aica_pcmvolume_get(struct snd_kcontrol *kcontrol, > - struct snd_ctl_elem_value *ucontrol) > -{ > - struct snd_card_aica *dreamcastcard; > - dreamcastcard = kcontrol->private_data; > - if (unlikely(!dreamcastcard->channel)) > - return -ETXTBSY; /* we've not yet been set up */ > - ucontrol->value.integer.value[0] = dreamcastcard->channel->vol; > - return 0; > -} > - > -static int aica_pcmvolume_put(struct snd_kcontrol *kcontrol, > - struct snd_ctl_elem_value *ucontrol) > -{ > - struct snd_card_aica *dreamcastcard; > - unsigned int vol; > - dreamcastcard = kcontrol->private_data; > - if (unlikely(!dreamcastcard->channel)) > - return -ETXTBSY; > - vol = ucontrol->value.integer.value[0]; > - if (vol > 0xff) > - return -EINVAL; > - if (unlikely(dreamcastcard->channel->vol == vol)) > - return 0; > - dreamcastcard->channel->vol = ucontrol->value.integer.value[0]; > - dreamcastcard->master_volume = ucontrol->value.integer.value[0]; > - spu_memload(AICA_CHANNEL0_CONTROL_OFFSET, > - dreamcastcard->channel, sizeof(struct aica_channel)); > - return 1; > -} > - > -static const struct snd_kcontrol_new snd_aica_pcmswitch_control = { > - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, > - .name = "PCM Playback Switch", > - .index = 0, > - .info = aica_pcmswitch_info, > - .get = aica_pcmswitch_get, > - .put = aica_pcmswitch_put > -}; > - > -static const struct snd_kcontrol_new snd_aica_pcmvolume_control = { > - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, > - .name = "PCM Playback Volume", > - .index = 0, > - .info = aica_pcmvolume_info, > - .get = aica_pcmvolume_get, > - .put = aica_pcmvolume_put > -}; > - > -static int load_aica_firmware(void) > -{ > - int err; > - const struct firmware *fw_entry; > - spu_reset(); > - err = request_firmware(&fw_entry, "aica_firmware.bin", &pd->dev); > - if (unlikely(err)) > - return err; > - /* write firmware into memory */ > - spu_disable(); > - spu_memload(0, fw_entry->data, fw_entry->size); > - spu_enable(); > - release_firmware(fw_entry); > - return err; > -} > - > -static int add_aicamixer_controls(struct snd_card_aica *dreamcastcard) > -{ > - int err; > - err = snd_ctl_add > - (dreamcastcard->card, > - snd_ctl_new1(&snd_aica_pcmvolume_control, dreamcastcard)); > - if (unlikely(err < 0)) > - return err; > - err = snd_ctl_add > - (dreamcastcard->card, > - snd_ctl_new1(&snd_aica_pcmswitch_control, dreamcastcard)); > - if (unlikely(err < 0)) > - return err; > - return 0; > -} > - > -static int snd_aica_remove(struct platform_device *devptr) > -{ > - struct snd_card_aica *dreamcastcard; > - dreamcastcard = platform_get_drvdata(devptr); > - if (unlikely(!dreamcastcard)) > - return -ENODEV; > - snd_card_free(dreamcastcard->card); > - kfree(dreamcastcard); > - return 0; > -} > - > -static int snd_aica_probe(struct platform_device *devptr) > -{ > - int err; > - struct snd_card_aica *dreamcastcard; > - dreamcastcard = kzalloc(sizeof(struct snd_card_aica), GFP_KERNEL); > - if (unlikely(!dreamcastcard)) > - return -ENOMEM; > - err = snd_card_new(&devptr->dev, index, SND_AICA_DRIVER, > - THIS_MODULE, 0, &dreamcastcard->card); > - if (unlikely(err < 0)) { > - kfree(dreamcastcard); > - return err; > - } > - strcpy(dreamcastcard->card->driver, "snd_aica"); > - strcpy(dreamcastcard->card->shortname, SND_AICA_DRIVER); > - strcpy(dreamcastcard->card->longname, > - "Yamaha AICA Super Intelligent Sound Processor for SEGA Dreamcast"); > - /* Prepare to use the queue */ > - INIT_WORK(&(dreamcastcard->spu_dma_work), run_spu_dma); > - timer_setup(&dreamcastcard->timer, aica_period_elapsed, 0); > - /* Load the PCM 'chip' */ > - err = snd_aicapcmchip(dreamcastcard, 0); > - if (unlikely(err < 0)) > - goto freedreamcast; > - /* Add basic controls */ > - err = add_aicamixer_controls(dreamcastcard); > - if (unlikely(err < 0)) > - goto freedreamcast; > - /* Register the card with ALSA subsystem */ > - err = snd_card_register(dreamcastcard->card); > - if (unlikely(err < 0)) > - goto freedreamcast; > - platform_set_drvdata(devptr, dreamcastcard); > - snd_printk > - ("ALSA Driver for Yamaha AICA Super Intelligent Sound Processor\n"); > - return 0; > - freedreamcast: > - snd_card_free(dreamcastcard->card); > - kfree(dreamcastcard); > - return err; > -} > - > -static struct platform_driver snd_aica_driver = { > - .probe = snd_aica_probe, > - .remove = snd_aica_remove, > - .driver = { > - .name = SND_AICA_DRIVER, > - }, > -}; > - > -static int __init aica_init(void) > -{ > - int err; > - err = platform_driver_register(&snd_aica_driver); > - if (unlikely(err < 0)) > - return err; > - pd = platform_device_register_simple(SND_AICA_DRIVER, -1, > - aica_memory_space, 2); > - if (IS_ERR(pd)) { > - platform_driver_unregister(&snd_aica_driver); > - return PTR_ERR(pd); > - } > - /* Load the firmware */ > - return load_aica_firmware(); > -} > - > -static void __exit aica_exit(void) > -{ > - platform_device_unregister(pd); > - platform_driver_unregister(&snd_aica_driver); > - /* Kill any sound still playing and reset ARM7 to safe state */ > - spu_reset(); > -} > - > -module_init(aica_init); > -module_exit(aica_exit); > diff --git a/sound/sh/aica.h b/sound/sh/aica.h > deleted file mode 100644 > index 021b132e088e82..00000000000000 > --- a/sound/sh/aica.h > +++ /dev/null > @@ -1,68 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0-only */ > -/* aica.h > - * Header file for ALSA driver for > - * Sega Dreamcast Yamaha AICA sound > - * Copyright Adrian McMenamin > - * <adrian@mcmen.demon.co.uk> > - * 2006 > - */ > - > -/* SPU memory and register constants etc */ > -#define G2_FIFO 0xa05f688c > -#define SPU_MEMORY_BASE 0xA0800000 > -#define ARM_RESET_REGISTER 0xA0702C00 > -#define SPU_REGISTER_BASE 0xA0700000 > - > -/* AICA channels stuff */ > -#define AICA_CONTROL_POINT 0xA0810000 > -#define AICA_CONTROL_CHANNEL_SAMPLE_NUMBER 0xA0810008 > -#define AICA_CHANNEL0_CONTROL_OFFSET 0x10004 > - > -/* Command values */ > -#define AICA_CMD_KICK 0x80000000 > -#define AICA_CMD_NONE 0 > -#define AICA_CMD_START 1 > -#define AICA_CMD_STOP 2 > -#define AICA_CMD_VOL 3 > - > -/* Sound modes */ > -#define SM_8BIT 1 > -#define SM_16BIT 0 > -#define SM_ADPCM 2 > - > -/* Buffer and period size */ > -#define AICA_BUFFER_SIZE 0x8000 > -#define AICA_PERIOD_SIZE 0x800 > -#define AICA_PERIOD_NUMBER 16 > - > -#define AICA_CHANNEL0_OFFSET 0x11000 > -#define AICA_CHANNEL1_OFFSET 0x21000 > -#define CHANNEL_OFFSET 0x10000 > - > -#define AICA_DMA_CHANNEL 5 > -#define AICA_DMA_MODE 5 > - > -#define SND_AICA_DRIVER "AICA" > - > -struct aica_channel { > - uint32_t cmd; /* Command ID */ > - uint32_t pos; /* Sample position */ > - uint32_t length; /* Sample length */ > - uint32_t freq; /* Frequency */ > - uint32_t vol; /* Volume 0-255 */ > - uint32_t pan; /* Pan 0-255 */ > - uint32_t sfmt; /* Sound format */ > - uint32_t flags; /* Bit flags */ > -}; > - > -struct snd_card_aica { > - struct work_struct spu_dma_work; > - struct snd_card *card; > - struct aica_channel *channel; > - struct snd_pcm_substream *substream; > - int clicks; > - int current_period; > - struct timer_list timer; > - int master_volume; > - int dma_check; > -}; > diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c > deleted file mode 100644 > index 8ebd972846acb5..00000000000000 > --- a/sound/sh/sh_dac_audio.c > +++ /dev/null > @@ -1,412 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-or-later > -/* > - * sh_dac_audio.c - SuperH DAC audio driver for ALSA > - * > - * Copyright (c) 2009 by Rafael Ignacio Zurita <rizurita@yahoo.com> > - * > - * Based on sh_dac_audio.c (Copyright (C) 2004, 2005 by Andriy Skulysh) > - */ > - > -#include <linux/hrtimer.h> > -#include <linux/interrupt.h> > -#include <linux/io.h> > -#include <linux/platform_device.h> > -#include <linux/slab.h> > -#include <linux/module.h> > -#include <sound/core.h> > -#include <sound/initval.h> > -#include <sound/pcm.h> > -#include <sound/sh_dac_audio.h> > -#include <asm/clock.h> > -#include <asm/hd64461.h> > -#include <mach/hp6xx.h> > -#include <cpu/dac.h> > - > -MODULE_AUTHOR("Rafael Ignacio Zurita <rizurita@yahoo.com>"); > -MODULE_DESCRIPTION("SuperH DAC audio driver"); > -MODULE_LICENSE("GPL"); > - > -/* Module Parameters */ > -static int index = SNDRV_DEFAULT_IDX1; > -static char *id = SNDRV_DEFAULT_STR1; > -module_param(index, int, 0444); > -MODULE_PARM_DESC(index, "Index value for SuperH DAC audio."); > -module_param(id, charp, 0444); > -MODULE_PARM_DESC(id, "ID string for SuperH DAC audio."); > - > -/* main struct */ > -struct snd_sh_dac { > - struct snd_card *card; > - struct snd_pcm_substream *substream; > - struct hrtimer hrtimer; > - ktime_t wakeups_per_second; > - > - int rate; > - int empty; > - char *data_buffer, *buffer_begin, *buffer_end; > - int processed; /* bytes proccesed, to compare with period_size */ > - int buffer_size; > - struct dac_audio_pdata *pdata; > -}; > - > - > -static void dac_audio_start_timer(struct snd_sh_dac *chip) > -{ > - hrtimer_start(&chip->hrtimer, chip->wakeups_per_second, > - HRTIMER_MODE_REL); > -} > - > -static void dac_audio_stop_timer(struct snd_sh_dac *chip) > -{ > - hrtimer_cancel(&chip->hrtimer); > -} > - > -static void dac_audio_reset(struct snd_sh_dac *chip) > -{ > - dac_audio_stop_timer(chip); > - chip->buffer_begin = chip->buffer_end = chip->data_buffer; > - chip->processed = 0; > - chip->empty = 1; > -} > - > -static void dac_audio_set_rate(struct snd_sh_dac *chip) > -{ > - chip->wakeups_per_second = 1000000000 / chip->rate; > -} > - > - > -/* PCM INTERFACE */ > - > -static const struct snd_pcm_hardware snd_sh_dac_pcm_hw = { > - .info = (SNDRV_PCM_INFO_MMAP | > - SNDRV_PCM_INFO_MMAP_VALID | > - SNDRV_PCM_INFO_INTERLEAVED | > - SNDRV_PCM_INFO_HALF_DUPLEX), > - .formats = SNDRV_PCM_FMTBIT_U8, > - .rates = SNDRV_PCM_RATE_8000, > - .rate_min = 8000, > - .rate_max = 8000, > - .channels_min = 1, > - .channels_max = 1, > - .buffer_bytes_max = (48*1024), > - .period_bytes_min = 1, > - .period_bytes_max = (48*1024), > - .periods_min = 1, > - .periods_max = 1024, > -}; > - > -static int snd_sh_dac_pcm_open(struct snd_pcm_substream *substream) > -{ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - struct snd_pcm_runtime *runtime = substream->runtime; > - > - runtime->hw = snd_sh_dac_pcm_hw; > - > - chip->substream = substream; > - chip->buffer_begin = chip->buffer_end = chip->data_buffer; > - chip->processed = 0; > - chip->empty = 1; > - > - chip->pdata->start(chip->pdata); > - > - return 0; > -} > - > -static int snd_sh_dac_pcm_close(struct snd_pcm_substream *substream) > -{ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - > - chip->substream = NULL; > - > - dac_audio_stop_timer(chip); > - chip->pdata->stop(chip->pdata); > - > - return 0; > -} > - > -static int snd_sh_dac_pcm_prepare(struct snd_pcm_substream *substream) > -{ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - struct snd_pcm_runtime *runtime = chip->substream->runtime; > - > - chip->buffer_size = runtime->buffer_size; > - memset(chip->data_buffer, 0, chip->pdata->buffer_size); > - > - return 0; > -} > - > -static int snd_sh_dac_pcm_trigger(struct snd_pcm_substream *substream, int cmd) > -{ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - > - switch (cmd) { > - case SNDRV_PCM_TRIGGER_START: > - dac_audio_start_timer(chip); > - break; > - case SNDRV_PCM_TRIGGER_STOP: > - chip->buffer_begin = chip->buffer_end = chip->data_buffer; > - chip->processed = 0; > - chip->empty = 1; > - dac_audio_stop_timer(chip); > - break; > - default: > - return -EINVAL; > - } > - > - return 0; > -} > - > -static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream, > - int channel, unsigned long pos, > - void __user *src, unsigned long count) > -{ > - /* channel is not used (interleaved data) */ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - > - if (copy_from_user_toio(chip->data_buffer + pos, src, count)) > - return -EFAULT; > - chip->buffer_end = chip->data_buffer + pos + count; > - > - if (chip->empty) { > - chip->empty = 0; > - dac_audio_start_timer(chip); > - } > - > - return 0; > -} > - > -static int snd_sh_dac_pcm_copy_kernel(struct snd_pcm_substream *substream, > - int channel, unsigned long pos, > - void *src, unsigned long count) > -{ > - /* channel is not used (interleaved data) */ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - > - memcpy_toio(chip->data_buffer + pos, src, count); > - chip->buffer_end = chip->data_buffer + pos + count; > - > - if (chip->empty) { > - chip->empty = 0; > - dac_audio_start_timer(chip); > - } > - > - return 0; > -} > - > -static int snd_sh_dac_pcm_silence(struct snd_pcm_substream *substream, > - int channel, unsigned long pos, > - unsigned long count) > -{ > - /* channel is not used (interleaved data) */ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - > - memset_io(chip->data_buffer + pos, 0, count); > - chip->buffer_end = chip->data_buffer + pos + count; > - > - if (chip->empty) { > - chip->empty = 0; > - dac_audio_start_timer(chip); > - } > - > - return 0; > -} > - > -static > -snd_pcm_uframes_t snd_sh_dac_pcm_pointer(struct snd_pcm_substream *substream) > -{ > - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); > - int pointer = chip->buffer_begin - chip->data_buffer; > - > - return pointer; > -} > - > -/* pcm ops */ > -static const struct snd_pcm_ops snd_sh_dac_pcm_ops = { > - .open = snd_sh_dac_pcm_open, > - .close = snd_sh_dac_pcm_close, > - .prepare = snd_sh_dac_pcm_prepare, > - .trigger = snd_sh_dac_pcm_trigger, > - .pointer = snd_sh_dac_pcm_pointer, > - .copy_user = snd_sh_dac_pcm_copy, > - .copy_kernel = snd_sh_dac_pcm_copy_kernel, > - .fill_silence = snd_sh_dac_pcm_silence, > - .mmap = snd_pcm_lib_mmap_iomem, > -}; > - > -static int snd_sh_dac_pcm(struct snd_sh_dac *chip, int device) > -{ > - int err; > - struct snd_pcm *pcm; > - > - /* device should be always 0 for us */ > - err = snd_pcm_new(chip->card, "SH_DAC PCM", device, 1, 0, &pcm); > - if (err < 0) > - return err; > - > - pcm->private_data = chip; > - strcpy(pcm->name, "SH_DAC PCM"); > - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sh_dac_pcm_ops); > - > - /* buffer size=48K */ > - snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, > - NULL, 48 * 1024, 48 * 1024); > - > - return 0; > -} > -/* END OF PCM INTERFACE */ > - > - > -/* driver .remove -- destructor */ > -static int snd_sh_dac_remove(struct platform_device *devptr) > -{ > - snd_card_free(platform_get_drvdata(devptr)); > - return 0; > -} > - > -/* free -- it has been defined by create */ > -static int snd_sh_dac_free(struct snd_sh_dac *chip) > -{ > - /* release the data */ > - kfree(chip->data_buffer); > - kfree(chip); > - > - return 0; > -} > - > -static int snd_sh_dac_dev_free(struct snd_device *device) > -{ > - struct snd_sh_dac *chip = device->device_data; > - > - return snd_sh_dac_free(chip); > -} > - > -static enum hrtimer_restart sh_dac_audio_timer(struct hrtimer *handle) > -{ > - struct snd_sh_dac *chip = container_of(handle, struct snd_sh_dac, > - hrtimer); > - struct snd_pcm_runtime *runtime = chip->substream->runtime; > - ssize_t b_ps = frames_to_bytes(runtime, runtime->period_size); > - > - if (!chip->empty) { > - sh_dac_output(*chip->buffer_begin, chip->pdata->channel); > - chip->buffer_begin++; > - > - chip->processed++; > - if (chip->processed >= b_ps) { > - chip->processed -= b_ps; > - snd_pcm_period_elapsed(chip->substream); > - } > - > - if (chip->buffer_begin == (chip->data_buffer + > - chip->buffer_size - 1)) > - chip->buffer_begin = chip->data_buffer; > - > - if (chip->buffer_begin == chip->buffer_end) > - chip->empty = 1; > - > - } > - > - if (!chip->empty) > - hrtimer_start(&chip->hrtimer, chip->wakeups_per_second, > - HRTIMER_MODE_REL); > - > - return HRTIMER_NORESTART; > -} > - > -/* create -- chip-specific constructor for the cards components */ > -static int snd_sh_dac_create(struct snd_card *card, > - struct platform_device *devptr, > - struct snd_sh_dac **rchip) > -{ > - struct snd_sh_dac *chip; > - int err; > - > - static const struct snd_device_ops ops = { > - .dev_free = snd_sh_dac_dev_free, > - }; > - > - *rchip = NULL; > - > - chip = kzalloc(sizeof(*chip), GFP_KERNEL); > - if (chip == NULL) > - return -ENOMEM; > - > - chip->card = card; > - > - hrtimer_init(&chip->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); > - chip->hrtimer.function = sh_dac_audio_timer; > - > - dac_audio_reset(chip); > - chip->rate = 8000; > - dac_audio_set_rate(chip); > - > - chip->pdata = devptr->dev.platform_data; > - > - chip->data_buffer = kmalloc(chip->pdata->buffer_size, GFP_KERNEL); > - if (chip->data_buffer == NULL) { > - kfree(chip); > - return -ENOMEM; > - } > - > - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); > - if (err < 0) { > - snd_sh_dac_free(chip); > - return err; > - } > - > - *rchip = chip; > - > - return 0; > -} > - > -/* driver .probe -- constructor */ > -static int snd_sh_dac_probe(struct platform_device *devptr) > -{ > - struct snd_sh_dac *chip; > - struct snd_card *card; > - int err; > - > - err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card); > - if (err < 0) { > - snd_printk(KERN_ERR "cannot allocate the card\n"); > - return err; > - } > - > - err = snd_sh_dac_create(card, devptr, &chip); > - if (err < 0) > - goto probe_error; > - > - err = snd_sh_dac_pcm(chip, 0); > - if (err < 0) > - goto probe_error; > - > - strcpy(card->driver, "snd_sh_dac"); > - strcpy(card->shortname, "SuperH DAC audio driver"); > - printk(KERN_INFO "%s %s", card->longname, card->shortname); > - > - err = snd_card_register(card); > - if (err < 0) > - goto probe_error; > - > - snd_printk(KERN_INFO "ALSA driver for SuperH DAC audio"); > - > - platform_set_drvdata(devptr, card); > - return 0; > - > -probe_error: > - snd_card_free(card); > - return err; > -} > - > -/* > - * "driver" definition > - */ > -static struct platform_driver sh_dac_driver = { > - .probe = snd_sh_dac_probe, > - .remove = snd_sh_dac_remove, > - .driver = { > - .name = "dac_audio", > - }, > -}; > - > -module_platform_driver(sh_dac_driver); > -- > 2.39.0 >
diff --git a/sound/Kconfig b/sound/Kconfig index e56d96d2b11cae..14361bb428baa1 100644 --- a/sound/Kconfig +++ b/sound/Kconfig @@ -75,8 +75,6 @@ source "sound/spi/Kconfig" source "sound/mips/Kconfig" -source "sound/sh/Kconfig" - # the following will depend on the order of config. # here assuming USB is defined before ALSA source "sound/usb/Kconfig" diff --git a/sound/Makefile b/sound/Makefile index 04ef04b1168f39..bb4b8806321c67 100644 --- a/sound/Makefile +++ b/sound/Makefile @@ -4,7 +4,7 @@ obj-$(CONFIG_SOUND) += soundcore.o obj-$(CONFIG_DMASOUND) += oss/dmasound/ -obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \ +obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ \ firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ hda/ x86/ xen/ \ virtio/ obj-$(CONFIG_SND_AOA) += aoa/ diff --git a/sound/sh/Kconfig b/sound/sh/Kconfig deleted file mode 100644 index b75fbb3236a7b9..00000000000000 --- a/sound/sh/Kconfig +++ /dev/null @@ -1,32 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# ALSA SH drivers - -menuconfig SND_SUPERH - bool "SUPERH sound devices" - depends on SUPERH - default y - help - Support for sound devices specific to SUPERH architectures. - Drivers that are implemented on ASoC can be found in - "ALSA for SoC audio support" section. - -if SND_SUPERH - -config SND_AICA - tristate "Dreamcast Yamaha AICA sound" - depends on SH_DREAMCAST - select SND_PCM - select G2_DMA - help - ALSA Sound driver for the SEGA Dreamcast console. - -config SND_SH_DAC_AUDIO - tristate "SuperH DAC audio support" - depends on SND - depends on CPU_SH3 && HIGH_RES_TIMERS - select SND_PCM - help - Say Y here to include support for the on-chip DAC. - -endif # SND_SUPERH - diff --git a/sound/sh/Makefile b/sound/sh/Makefile deleted file mode 100644 index c0bbc500c17c73..00000000000000 --- a/sound/sh/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for ALSA -# - -snd-aica-objs := aica.o -snd-sh_dac_audio-objs := sh_dac_audio.o - -# Toplevel Module Dependency -obj-$(CONFIG_SND_AICA) += snd-aica.o -obj-$(CONFIG_SND_SH_DAC_AUDIO) += snd-sh_dac_audio.o diff --git a/sound/sh/aica.c b/sound/sh/aica.c deleted file mode 100644 index 6e9d6bd67369af..00000000000000 --- a/sound/sh/aica.c +++ /dev/null @@ -1,628 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* -* -* Copyright Adrian McMenamin 2005, 2006, 2007 -* <adrian@mcmen.demon.co.uk> -* Requires firmware (BSD licenced) available from: -* http://linuxdc.cvs.sourceforge.net/linuxdc/linux-sh-dc/sound/oss/aica/firmware/ -* or the maintainer -*/ - -#include <linux/init.h> -#include <linux/jiffies.h> -#include <linux/slab.h> -#include <linux/time.h> -#include <linux/wait.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/firmware.h> -#include <linux/timer.h> -#include <linux/delay.h> -#include <linux/workqueue.h> -#include <linux/io.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/pcm.h> -#include <sound/initval.h> -#include <sound/info.h> -#include <asm/dma.h> -#include <mach/sysasic.h> -#include "aica.h" - -MODULE_AUTHOR("Adrian McMenamin <adrian@mcmen.demon.co.uk>"); -MODULE_DESCRIPTION("Dreamcast AICA sound (pcm) driver"); -MODULE_LICENSE("GPL"); -MODULE_FIRMWARE("aica_firmware.bin"); - -/* module parameters */ -#define CARD_NAME "AICA" -static int index = -1; -static char *id; -static bool enable = 1; -module_param(index, int, 0444); -MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); -module_param(id, charp, 0444); -MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); -module_param(enable, bool, 0644); -MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); - -/* Simple platform device */ -static struct platform_device *pd; -static struct resource aica_memory_space[2] = { - { - .name = "AICA ARM CONTROL", - .start = ARM_RESET_REGISTER, - .flags = IORESOURCE_MEM, - .end = ARM_RESET_REGISTER + 3, - }, - { - .name = "AICA Sound RAM", - .start = SPU_MEMORY_BASE, - .flags = IORESOURCE_MEM, - .end = SPU_MEMORY_BASE + 0x200000 - 1, - }, -}; - -/* SPU specific functions */ -/* spu_write_wait - wait for G2-SH FIFO to clear */ -static void spu_write_wait(void) -{ - int time_count; - time_count = 0; - while (1) { - if (!(readl(G2_FIFO) & 0x11)) - break; - /* To ensure hardware failure doesn't wedge kernel */ - time_count++; - if (time_count > 0x10000) { - snd_printk - ("WARNING: G2 FIFO appears to be blocked.\n"); - break; - } - } -} - -/* spu_memset - write to memory in SPU address space */ -static void spu_memset(u32 toi, u32 what, int length) -{ - int i; - unsigned long flags; - if (snd_BUG_ON(length % 4)) - return; - for (i = 0; i < length; i++) { - if (!(i % 8)) - spu_write_wait(); - local_irq_save(flags); - writel(what, toi + SPU_MEMORY_BASE); - local_irq_restore(flags); - toi++; - } -} - -/* spu_memload - write to SPU address space */ -static void spu_memload(u32 toi, const void *from, int length) -{ - unsigned long flags; - const u32 *froml = from; - u32 __iomem *to = (u32 __iomem *) (SPU_MEMORY_BASE + toi); - int i; - u32 val; - length = DIV_ROUND_UP(length, 4); - spu_write_wait(); - for (i = 0; i < length; i++) { - if (!(i % 8)) - spu_write_wait(); - val = *froml; - local_irq_save(flags); - writel(val, to); - local_irq_restore(flags); - froml++; - to++; - } -} - -/* spu_disable - set spu registers to stop sound output */ -static void spu_disable(void) -{ - int i; - unsigned long flags; - u32 regval; - spu_write_wait(); - regval = readl(ARM_RESET_REGISTER); - regval |= 1; - spu_write_wait(); - local_irq_save(flags); - writel(regval, ARM_RESET_REGISTER); - local_irq_restore(flags); - for (i = 0; i < 64; i++) { - spu_write_wait(); - regval = readl(SPU_REGISTER_BASE + (i * 0x80)); - regval = (regval & ~0x4000) | 0x8000; - spu_write_wait(); - local_irq_save(flags); - writel(regval, SPU_REGISTER_BASE + (i * 0x80)); - local_irq_restore(flags); - } -} - -/* spu_enable - set spu registers to enable sound output */ -static void spu_enable(void) -{ - unsigned long flags; - u32 regval = readl(ARM_RESET_REGISTER); - regval &= ~1; - spu_write_wait(); - local_irq_save(flags); - writel(regval, ARM_RESET_REGISTER); - local_irq_restore(flags); -} - -/* - * Halt the sound processor, clear the memory, - * load some default ARM7 code, and then restart ARM7 -*/ -static void spu_reset(void) -{ - unsigned long flags; - spu_disable(); - spu_memset(0, 0, 0x200000 / 4); - /* Put ARM7 in endless loop */ - local_irq_save(flags); - __raw_writel(0xea000002, SPU_MEMORY_BASE); - local_irq_restore(flags); - spu_enable(); -} - -/* aica_chn_start - write to spu to start playback */ -static void aica_chn_start(void) -{ - unsigned long flags; - spu_write_wait(); - local_irq_save(flags); - writel(AICA_CMD_KICK | AICA_CMD_START, (u32 *) AICA_CONTROL_POINT); - local_irq_restore(flags); -} - -/* aica_chn_halt - write to spu to halt playback */ -static void aica_chn_halt(void) -{ - unsigned long flags; - spu_write_wait(); - local_irq_save(flags); - writel(AICA_CMD_KICK | AICA_CMD_STOP, (u32 *) AICA_CONTROL_POINT); - local_irq_restore(flags); -} - -/* ALSA code below */ -static const struct snd_pcm_hardware snd_pcm_aica_playback_hw = { - .info = (SNDRV_PCM_INFO_NONINTERLEAVED), - .formats = - (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_IMA_ADPCM), - .rates = SNDRV_PCM_RATE_8000_48000, - .rate_min = 8000, - .rate_max = 48000, - .channels_min = 1, - .channels_max = 2, - .buffer_bytes_max = AICA_BUFFER_SIZE, - .period_bytes_min = AICA_PERIOD_SIZE, - .period_bytes_max = AICA_PERIOD_SIZE, - .periods_min = AICA_PERIOD_NUMBER, - .periods_max = AICA_PERIOD_NUMBER, -}; - -static int aica_dma_transfer(int channels, int buffer_size, - struct snd_pcm_substream *substream) -{ - int q, err, period_offset; - struct snd_card_aica *dreamcastcard; - struct snd_pcm_runtime *runtime; - unsigned long flags; - err = 0; - dreamcastcard = substream->pcm->private_data; - period_offset = dreamcastcard->clicks; - period_offset %= (AICA_PERIOD_NUMBER / channels); - runtime = substream->runtime; - for (q = 0; q < channels; q++) { - local_irq_save(flags); - err = dma_xfer(AICA_DMA_CHANNEL, - (unsigned long) (runtime->dma_area + - (AICA_BUFFER_SIZE * q) / - channels + - AICA_PERIOD_SIZE * - period_offset), - AICA_CHANNEL0_OFFSET + q * CHANNEL_OFFSET + - AICA_PERIOD_SIZE * period_offset, - buffer_size / channels, AICA_DMA_MODE); - if (unlikely(err < 0)) { - local_irq_restore(flags); - break; - } - dma_wait_for_completion(AICA_DMA_CHANNEL); - local_irq_restore(flags); - } - return err; -} - -static void startup_aica(struct snd_card_aica *dreamcastcard) -{ - spu_memload(AICA_CHANNEL0_CONTROL_OFFSET, - dreamcastcard->channel, sizeof(struct aica_channel)); - aica_chn_start(); -} - -static void run_spu_dma(struct work_struct *work) -{ - int buffer_size; - struct snd_pcm_runtime *runtime; - struct snd_card_aica *dreamcastcard; - dreamcastcard = - container_of(work, struct snd_card_aica, spu_dma_work); - runtime = dreamcastcard->substream->runtime; - if (unlikely(dreamcastcard->dma_check == 0)) { - buffer_size = - frames_to_bytes(runtime, runtime->buffer_size); - if (runtime->channels > 1) - dreamcastcard->channel->flags |= 0x01; - aica_dma_transfer(runtime->channels, buffer_size, - dreamcastcard->substream); - startup_aica(dreamcastcard); - dreamcastcard->clicks = - buffer_size / (AICA_PERIOD_SIZE * runtime->channels); - return; - } else { - aica_dma_transfer(runtime->channels, - AICA_PERIOD_SIZE * runtime->channels, - dreamcastcard->substream); - snd_pcm_period_elapsed(dreamcastcard->substream); - dreamcastcard->clicks++; - if (unlikely(dreamcastcard->clicks >= AICA_PERIOD_NUMBER)) - dreamcastcard->clicks %= AICA_PERIOD_NUMBER; - mod_timer(&dreamcastcard->timer, jiffies + 1); - } -} - -static void aica_period_elapsed(struct timer_list *t) -{ - struct snd_card_aica *dreamcastcard = from_timer(dreamcastcard, - t, timer); - struct snd_pcm_substream *substream = dreamcastcard->substream; - /*timer function - so cannot sleep */ - int play_period; - struct snd_pcm_runtime *runtime; - runtime = substream->runtime; - dreamcastcard = substream->pcm->private_data; - /* Have we played out an additional period? */ - play_period = - frames_to_bytes(runtime, - readl - (AICA_CONTROL_CHANNEL_SAMPLE_NUMBER)) / - AICA_PERIOD_SIZE; - if (play_period == dreamcastcard->current_period) { - /* reschedule the timer */ - mod_timer(&(dreamcastcard->timer), jiffies + 1); - return; - } - if (runtime->channels > 1) - dreamcastcard->current_period = play_period; - if (unlikely(dreamcastcard->dma_check == 0)) - dreamcastcard->dma_check = 1; - schedule_work(&(dreamcastcard->spu_dma_work)); -} - -static void spu_begin_dma(struct snd_pcm_substream *substream) -{ - struct snd_card_aica *dreamcastcard; - struct snd_pcm_runtime *runtime; - runtime = substream->runtime; - dreamcastcard = substream->pcm->private_data; - /*get the queue to do the work */ - schedule_work(&(dreamcastcard->spu_dma_work)); - mod_timer(&dreamcastcard->timer, jiffies + 4); -} - -static int snd_aicapcm_pcm_open(struct snd_pcm_substream - *substream) -{ - struct snd_pcm_runtime *runtime; - struct aica_channel *channel; - struct snd_card_aica *dreamcastcard; - if (!enable) - return -ENOENT; - dreamcastcard = substream->pcm->private_data; - channel = kmalloc(sizeof(struct aica_channel), GFP_KERNEL); - if (!channel) - return -ENOMEM; - /* set defaults for channel */ - channel->sfmt = SM_8BIT; - channel->cmd = AICA_CMD_START; - channel->vol = dreamcastcard->master_volume; - channel->pan = 0x80; - channel->pos = 0; - channel->flags = 0; /* default to mono */ - dreamcastcard->channel = channel; - runtime = substream->runtime; - runtime->hw = snd_pcm_aica_playback_hw; - spu_enable(); - dreamcastcard->clicks = 0; - dreamcastcard->current_period = 0; - dreamcastcard->dma_check = 0; - return 0; -} - -static int snd_aicapcm_pcm_close(struct snd_pcm_substream - *substream) -{ - struct snd_card_aica *dreamcastcard = substream->pcm->private_data; - flush_work(&(dreamcastcard->spu_dma_work)); - del_timer(&dreamcastcard->timer); - dreamcastcard->substream = NULL; - kfree(dreamcastcard->channel); - spu_disable(); - return 0; -} - -static int snd_aicapcm_pcm_prepare(struct snd_pcm_substream - *substream) -{ - struct snd_card_aica *dreamcastcard = substream->pcm->private_data; - if ((substream->runtime)->format == SNDRV_PCM_FORMAT_S16_LE) - dreamcastcard->channel->sfmt = SM_16BIT; - dreamcastcard->channel->freq = substream->runtime->rate; - dreamcastcard->substream = substream; - return 0; -} - -static int snd_aicapcm_pcm_trigger(struct snd_pcm_substream - *substream, int cmd) -{ - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - spu_begin_dma(substream); - break; - case SNDRV_PCM_TRIGGER_STOP: - aica_chn_halt(); - break; - default: - return -EINVAL; - } - return 0; -} - -static unsigned long snd_aicapcm_pcm_pointer(struct snd_pcm_substream - *substream) -{ - return readl(AICA_CONTROL_CHANNEL_SAMPLE_NUMBER); -} - -static const struct snd_pcm_ops snd_aicapcm_playback_ops = { - .open = snd_aicapcm_pcm_open, - .close = snd_aicapcm_pcm_close, - .prepare = snd_aicapcm_pcm_prepare, - .trigger = snd_aicapcm_pcm_trigger, - .pointer = snd_aicapcm_pcm_pointer, -}; - -/* TO DO: set up to handle more than one pcm instance */ -static int __init snd_aicapcmchip(struct snd_card_aica - *dreamcastcard, int pcm_index) -{ - struct snd_pcm *pcm; - int err; - /* AICA has no capture ability */ - err = - snd_pcm_new(dreamcastcard->card, "AICA PCM", pcm_index, 1, 0, - &pcm); - if (unlikely(err < 0)) - return err; - pcm->private_data = dreamcastcard; - strcpy(pcm->name, "AICA PCM"); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &snd_aicapcm_playback_ops); - /* Allocate the DMA buffers */ - snd_pcm_set_managed_buffer_all(pcm, - SNDRV_DMA_TYPE_CONTINUOUS, - NULL, - AICA_BUFFER_SIZE, - AICA_BUFFER_SIZE); - return 0; -} - -/* Mixer controls */ -#define aica_pcmswitch_info snd_ctl_boolean_mono_info - -static int aica_pcmswitch_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - ucontrol->value.integer.value[0] = 1; /* TO DO: Fix me */ - return 0; -} - -static int aica_pcmswitch_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - if (ucontrol->value.integer.value[0] == 1) - return 0; /* TO DO: Fix me */ - else - aica_chn_halt(); - return 0; -} - -static int aica_pcmvolume_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 0xFF; - return 0; -} - -static int aica_pcmvolume_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_card_aica *dreamcastcard; - dreamcastcard = kcontrol->private_data; - if (unlikely(!dreamcastcard->channel)) - return -ETXTBSY; /* we've not yet been set up */ - ucontrol->value.integer.value[0] = dreamcastcard->channel->vol; - return 0; -} - -static int aica_pcmvolume_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_card_aica *dreamcastcard; - unsigned int vol; - dreamcastcard = kcontrol->private_data; - if (unlikely(!dreamcastcard->channel)) - return -ETXTBSY; - vol = ucontrol->value.integer.value[0]; - if (vol > 0xff) - return -EINVAL; - if (unlikely(dreamcastcard->channel->vol == vol)) - return 0; - dreamcastcard->channel->vol = ucontrol->value.integer.value[0]; - dreamcastcard->master_volume = ucontrol->value.integer.value[0]; - spu_memload(AICA_CHANNEL0_CONTROL_OFFSET, - dreamcastcard->channel, sizeof(struct aica_channel)); - return 1; -} - -static const struct snd_kcontrol_new snd_aica_pcmswitch_control = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Playback Switch", - .index = 0, - .info = aica_pcmswitch_info, - .get = aica_pcmswitch_get, - .put = aica_pcmswitch_put -}; - -static const struct snd_kcontrol_new snd_aica_pcmvolume_control = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Playback Volume", - .index = 0, - .info = aica_pcmvolume_info, - .get = aica_pcmvolume_get, - .put = aica_pcmvolume_put -}; - -static int load_aica_firmware(void) -{ - int err; - const struct firmware *fw_entry; - spu_reset(); - err = request_firmware(&fw_entry, "aica_firmware.bin", &pd->dev); - if (unlikely(err)) - return err; - /* write firmware into memory */ - spu_disable(); - spu_memload(0, fw_entry->data, fw_entry->size); - spu_enable(); - release_firmware(fw_entry); - return err; -} - -static int add_aicamixer_controls(struct snd_card_aica *dreamcastcard) -{ - int err; - err = snd_ctl_add - (dreamcastcard->card, - snd_ctl_new1(&snd_aica_pcmvolume_control, dreamcastcard)); - if (unlikely(err < 0)) - return err; - err = snd_ctl_add - (dreamcastcard->card, - snd_ctl_new1(&snd_aica_pcmswitch_control, dreamcastcard)); - if (unlikely(err < 0)) - return err; - return 0; -} - -static int snd_aica_remove(struct platform_device *devptr) -{ - struct snd_card_aica *dreamcastcard; - dreamcastcard = platform_get_drvdata(devptr); - if (unlikely(!dreamcastcard)) - return -ENODEV; - snd_card_free(dreamcastcard->card); - kfree(dreamcastcard); - return 0; -} - -static int snd_aica_probe(struct platform_device *devptr) -{ - int err; - struct snd_card_aica *dreamcastcard; - dreamcastcard = kzalloc(sizeof(struct snd_card_aica), GFP_KERNEL); - if (unlikely(!dreamcastcard)) - return -ENOMEM; - err = snd_card_new(&devptr->dev, index, SND_AICA_DRIVER, - THIS_MODULE, 0, &dreamcastcard->card); - if (unlikely(err < 0)) { - kfree(dreamcastcard); - return err; - } - strcpy(dreamcastcard->card->driver, "snd_aica"); - strcpy(dreamcastcard->card->shortname, SND_AICA_DRIVER); - strcpy(dreamcastcard->card->longname, - "Yamaha AICA Super Intelligent Sound Processor for SEGA Dreamcast"); - /* Prepare to use the queue */ - INIT_WORK(&(dreamcastcard->spu_dma_work), run_spu_dma); - timer_setup(&dreamcastcard->timer, aica_period_elapsed, 0); - /* Load the PCM 'chip' */ - err = snd_aicapcmchip(dreamcastcard, 0); - if (unlikely(err < 0)) - goto freedreamcast; - /* Add basic controls */ - err = add_aicamixer_controls(dreamcastcard); - if (unlikely(err < 0)) - goto freedreamcast; - /* Register the card with ALSA subsystem */ - err = snd_card_register(dreamcastcard->card); - if (unlikely(err < 0)) - goto freedreamcast; - platform_set_drvdata(devptr, dreamcastcard); - snd_printk - ("ALSA Driver for Yamaha AICA Super Intelligent Sound Processor\n"); - return 0; - freedreamcast: - snd_card_free(dreamcastcard->card); - kfree(dreamcastcard); - return err; -} - -static struct platform_driver snd_aica_driver = { - .probe = snd_aica_probe, - .remove = snd_aica_remove, - .driver = { - .name = SND_AICA_DRIVER, - }, -}; - -static int __init aica_init(void) -{ - int err; - err = platform_driver_register(&snd_aica_driver); - if (unlikely(err < 0)) - return err; - pd = platform_device_register_simple(SND_AICA_DRIVER, -1, - aica_memory_space, 2); - if (IS_ERR(pd)) { - platform_driver_unregister(&snd_aica_driver); - return PTR_ERR(pd); - } - /* Load the firmware */ - return load_aica_firmware(); -} - -static void __exit aica_exit(void) -{ - platform_device_unregister(pd); - platform_driver_unregister(&snd_aica_driver); - /* Kill any sound still playing and reset ARM7 to safe state */ - spu_reset(); -} - -module_init(aica_init); -module_exit(aica_exit); diff --git a/sound/sh/aica.h b/sound/sh/aica.h deleted file mode 100644 index 021b132e088e82..00000000000000 --- a/sound/sh/aica.h +++ /dev/null @@ -1,68 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* aica.h - * Header file for ALSA driver for - * Sega Dreamcast Yamaha AICA sound - * Copyright Adrian McMenamin - * <adrian@mcmen.demon.co.uk> - * 2006 - */ - -/* SPU memory and register constants etc */ -#define G2_FIFO 0xa05f688c -#define SPU_MEMORY_BASE 0xA0800000 -#define ARM_RESET_REGISTER 0xA0702C00 -#define SPU_REGISTER_BASE 0xA0700000 - -/* AICA channels stuff */ -#define AICA_CONTROL_POINT 0xA0810000 -#define AICA_CONTROL_CHANNEL_SAMPLE_NUMBER 0xA0810008 -#define AICA_CHANNEL0_CONTROL_OFFSET 0x10004 - -/* Command values */ -#define AICA_CMD_KICK 0x80000000 -#define AICA_CMD_NONE 0 -#define AICA_CMD_START 1 -#define AICA_CMD_STOP 2 -#define AICA_CMD_VOL 3 - -/* Sound modes */ -#define SM_8BIT 1 -#define SM_16BIT 0 -#define SM_ADPCM 2 - -/* Buffer and period size */ -#define AICA_BUFFER_SIZE 0x8000 -#define AICA_PERIOD_SIZE 0x800 -#define AICA_PERIOD_NUMBER 16 - -#define AICA_CHANNEL0_OFFSET 0x11000 -#define AICA_CHANNEL1_OFFSET 0x21000 -#define CHANNEL_OFFSET 0x10000 - -#define AICA_DMA_CHANNEL 5 -#define AICA_DMA_MODE 5 - -#define SND_AICA_DRIVER "AICA" - -struct aica_channel { - uint32_t cmd; /* Command ID */ - uint32_t pos; /* Sample position */ - uint32_t length; /* Sample length */ - uint32_t freq; /* Frequency */ - uint32_t vol; /* Volume 0-255 */ - uint32_t pan; /* Pan 0-255 */ - uint32_t sfmt; /* Sound format */ - uint32_t flags; /* Bit flags */ -}; - -struct snd_card_aica { - struct work_struct spu_dma_work; - struct snd_card *card; - struct aica_channel *channel; - struct snd_pcm_substream *substream; - int clicks; - int current_period; - struct timer_list timer; - int master_volume; - int dma_check; -}; diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c deleted file mode 100644 index 8ebd972846acb5..00000000000000 --- a/sound/sh/sh_dac_audio.c +++ /dev/null @@ -1,412 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * sh_dac_audio.c - SuperH DAC audio driver for ALSA - * - * Copyright (c) 2009 by Rafael Ignacio Zurita <rizurita@yahoo.com> - * - * Based on sh_dac_audio.c (Copyright (C) 2004, 2005 by Andriy Skulysh) - */ - -#include <linux/hrtimer.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/sh_dac_audio.h> -#include <asm/clock.h> -#include <asm/hd64461.h> -#include <mach/hp6xx.h> -#include <cpu/dac.h> - -MODULE_AUTHOR("Rafael Ignacio Zurita <rizurita@yahoo.com>"); -MODULE_DESCRIPTION("SuperH DAC audio driver"); -MODULE_LICENSE("GPL"); - -/* Module Parameters */ -static int index = SNDRV_DEFAULT_IDX1; -static char *id = SNDRV_DEFAULT_STR1; -module_param(index, int, 0444); -MODULE_PARM_DESC(index, "Index value for SuperH DAC audio."); -module_param(id, charp, 0444); -MODULE_PARM_DESC(id, "ID string for SuperH DAC audio."); - -/* main struct */ -struct snd_sh_dac { - struct snd_card *card; - struct snd_pcm_substream *substream; - struct hrtimer hrtimer; - ktime_t wakeups_per_second; - - int rate; - int empty; - char *data_buffer, *buffer_begin, *buffer_end; - int processed; /* bytes proccesed, to compare with period_size */ - int buffer_size; - struct dac_audio_pdata *pdata; -}; - - -static void dac_audio_start_timer(struct snd_sh_dac *chip) -{ - hrtimer_start(&chip->hrtimer, chip->wakeups_per_second, - HRTIMER_MODE_REL); -} - -static void dac_audio_stop_timer(struct snd_sh_dac *chip) -{ - hrtimer_cancel(&chip->hrtimer); -} - -static void dac_audio_reset(struct snd_sh_dac *chip) -{ - dac_audio_stop_timer(chip); - chip->buffer_begin = chip->buffer_end = chip->data_buffer; - chip->processed = 0; - chip->empty = 1; -} - -static void dac_audio_set_rate(struct snd_sh_dac *chip) -{ - chip->wakeups_per_second = 1000000000 / chip->rate; -} - - -/* PCM INTERFACE */ - -static const struct snd_pcm_hardware snd_sh_dac_pcm_hw = { - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_HALF_DUPLEX), - .formats = SNDRV_PCM_FMTBIT_U8, - .rates = SNDRV_PCM_RATE_8000, - .rate_min = 8000, - .rate_max = 8000, - .channels_min = 1, - .channels_max = 1, - .buffer_bytes_max = (48*1024), - .period_bytes_min = 1, - .period_bytes_max = (48*1024), - .periods_min = 1, - .periods_max = 1024, -}; - -static int snd_sh_dac_pcm_open(struct snd_pcm_substream *substream) -{ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - runtime->hw = snd_sh_dac_pcm_hw; - - chip->substream = substream; - chip->buffer_begin = chip->buffer_end = chip->data_buffer; - chip->processed = 0; - chip->empty = 1; - - chip->pdata->start(chip->pdata); - - return 0; -} - -static int snd_sh_dac_pcm_close(struct snd_pcm_substream *substream) -{ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - - chip->substream = NULL; - - dac_audio_stop_timer(chip); - chip->pdata->stop(chip->pdata); - - return 0; -} - -static int snd_sh_dac_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = chip->substream->runtime; - - chip->buffer_size = runtime->buffer_size; - memset(chip->data_buffer, 0, chip->pdata->buffer_size); - - return 0; -} - -static int snd_sh_dac_pcm_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - dac_audio_start_timer(chip); - break; - case SNDRV_PCM_TRIGGER_STOP: - chip->buffer_begin = chip->buffer_end = chip->data_buffer; - chip->processed = 0; - chip->empty = 1; - dac_audio_stop_timer(chip); - break; - default: - return -EINVAL; - } - - return 0; -} - -static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void __user *src, unsigned long count) -{ - /* channel is not used (interleaved data) */ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - - if (copy_from_user_toio(chip->data_buffer + pos, src, count)) - return -EFAULT; - chip->buffer_end = chip->data_buffer + pos + count; - - if (chip->empty) { - chip->empty = 0; - dac_audio_start_timer(chip); - } - - return 0; -} - -static int snd_sh_dac_pcm_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *src, unsigned long count) -{ - /* channel is not used (interleaved data) */ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - - memcpy_toio(chip->data_buffer + pos, src, count); - chip->buffer_end = chip->data_buffer + pos + count; - - if (chip->empty) { - chip->empty = 0; - dac_audio_start_timer(chip); - } - - return 0; -} - -static int snd_sh_dac_pcm_silence(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - unsigned long count) -{ - /* channel is not used (interleaved data) */ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - - memset_io(chip->data_buffer + pos, 0, count); - chip->buffer_end = chip->data_buffer + pos + count; - - if (chip->empty) { - chip->empty = 0; - dac_audio_start_timer(chip); - } - - return 0; -} - -static -snd_pcm_uframes_t snd_sh_dac_pcm_pointer(struct snd_pcm_substream *substream) -{ - struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); - int pointer = chip->buffer_begin - chip->data_buffer; - - return pointer; -} - -/* pcm ops */ -static const struct snd_pcm_ops snd_sh_dac_pcm_ops = { - .open = snd_sh_dac_pcm_open, - .close = snd_sh_dac_pcm_close, - .prepare = snd_sh_dac_pcm_prepare, - .trigger = snd_sh_dac_pcm_trigger, - .pointer = snd_sh_dac_pcm_pointer, - .copy_user = snd_sh_dac_pcm_copy, - .copy_kernel = snd_sh_dac_pcm_copy_kernel, - .fill_silence = snd_sh_dac_pcm_silence, - .mmap = snd_pcm_lib_mmap_iomem, -}; - -static int snd_sh_dac_pcm(struct snd_sh_dac *chip, int device) -{ - int err; - struct snd_pcm *pcm; - - /* device should be always 0 for us */ - err = snd_pcm_new(chip->card, "SH_DAC PCM", device, 1, 0, &pcm); - if (err < 0) - return err; - - pcm->private_data = chip; - strcpy(pcm->name, "SH_DAC PCM"); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sh_dac_pcm_ops); - - /* buffer size=48K */ - snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, - NULL, 48 * 1024, 48 * 1024); - - return 0; -} -/* END OF PCM INTERFACE */ - - -/* driver .remove -- destructor */ -static int snd_sh_dac_remove(struct platform_device *devptr) -{ - snd_card_free(platform_get_drvdata(devptr)); - return 0; -} - -/* free -- it has been defined by create */ -static int snd_sh_dac_free(struct snd_sh_dac *chip) -{ - /* release the data */ - kfree(chip->data_buffer); - kfree(chip); - - return 0; -} - -static int snd_sh_dac_dev_free(struct snd_device *device) -{ - struct snd_sh_dac *chip = device->device_data; - - return snd_sh_dac_free(chip); -} - -static enum hrtimer_restart sh_dac_audio_timer(struct hrtimer *handle) -{ - struct snd_sh_dac *chip = container_of(handle, struct snd_sh_dac, - hrtimer); - struct snd_pcm_runtime *runtime = chip->substream->runtime; - ssize_t b_ps = frames_to_bytes(runtime, runtime->period_size); - - if (!chip->empty) { - sh_dac_output(*chip->buffer_begin, chip->pdata->channel); - chip->buffer_begin++; - - chip->processed++; - if (chip->processed >= b_ps) { - chip->processed -= b_ps; - snd_pcm_period_elapsed(chip->substream); - } - - if (chip->buffer_begin == (chip->data_buffer + - chip->buffer_size - 1)) - chip->buffer_begin = chip->data_buffer; - - if (chip->buffer_begin == chip->buffer_end) - chip->empty = 1; - - } - - if (!chip->empty) - hrtimer_start(&chip->hrtimer, chip->wakeups_per_second, - HRTIMER_MODE_REL); - - return HRTIMER_NORESTART; -} - -/* create -- chip-specific constructor for the cards components */ -static int snd_sh_dac_create(struct snd_card *card, - struct platform_device *devptr, - struct snd_sh_dac **rchip) -{ - struct snd_sh_dac *chip; - int err; - - static const struct snd_device_ops ops = { - .dev_free = snd_sh_dac_dev_free, - }; - - *rchip = NULL; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) - return -ENOMEM; - - chip->card = card; - - hrtimer_init(&chip->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - chip->hrtimer.function = sh_dac_audio_timer; - - dac_audio_reset(chip); - chip->rate = 8000; - dac_audio_set_rate(chip); - - chip->pdata = devptr->dev.platform_data; - - chip->data_buffer = kmalloc(chip->pdata->buffer_size, GFP_KERNEL); - if (chip->data_buffer == NULL) { - kfree(chip); - return -ENOMEM; - } - - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); - if (err < 0) { - snd_sh_dac_free(chip); - return err; - } - - *rchip = chip; - - return 0; -} - -/* driver .probe -- constructor */ -static int snd_sh_dac_probe(struct platform_device *devptr) -{ - struct snd_sh_dac *chip; - struct snd_card *card; - int err; - - err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card); - if (err < 0) { - snd_printk(KERN_ERR "cannot allocate the card\n"); - return err; - } - - err = snd_sh_dac_create(card, devptr, &chip); - if (err < 0) - goto probe_error; - - err = snd_sh_dac_pcm(chip, 0); - if (err < 0) - goto probe_error; - - strcpy(card->driver, "snd_sh_dac"); - strcpy(card->shortname, "SuperH DAC audio driver"); - printk(KERN_INFO "%s %s", card->longname, card->shortname); - - err = snd_card_register(card); - if (err < 0) - goto probe_error; - - snd_printk(KERN_INFO "ALSA driver for SuperH DAC audio"); - - platform_set_drvdata(devptr, card); - return 0; - -probe_error: - snd_card_free(card); - return err; -} - -/* - * "driver" definition - */ -static struct platform_driver sh_dac_driver = { - .probe = snd_sh_dac_probe, - .remove = snd_sh_dac_remove, - .driver = { - .name = "dac_audio", - }, -}; - -module_platform_driver(sh_dac_driver);
Now that arch/sh is removed these drivers are dead code. Signed-off-by: Christoph Hellwig <hch@lst.de> --- sound/Kconfig | 2 - sound/Makefile | 2 +- sound/sh/Kconfig | 32 -- sound/sh/Makefile | 11 - sound/sh/aica.c | 628 ---------------------------------------- sound/sh/aica.h | 68 ----- sound/sh/sh_dac_audio.c | 412 -------------------------- 7 files changed, 1 insertion(+), 1154 deletions(-) delete mode 100644 sound/sh/Kconfig delete mode 100644 sound/sh/Makefile delete mode 100644 sound/sh/aica.c delete mode 100644 sound/sh/aica.h delete mode 100644 sound/sh/sh_dac_audio.c