diff options
Diffstat (limited to 'sound')
97 files changed, 1767 insertions, 2912 deletions
diff --git a/sound/Kconfig b/sound/Kconfig index 6a215a8..d2fadbe 100644 --- a/sound/Kconfig +++ b/sound/Kconfig @@ -56,7 +56,7 @@ config SOUND_OSS_CORE_PRECLAIM source "sound/oss/dmasound/Kconfig" -if !M68K && !UML +if !UML menuconfig SND tristate "Advanced Linux Sound Architecture" @@ -125,7 +125,7 @@ source "sound/oss/Kconfig" endif # SOUND_PRIME -endif # !M68K +endif # !UML endif # SOUND diff --git a/sound/aoa/codecs/tas.c b/sound/aoa/codecs/tas.c index 78ed1ff..733b636 100644 --- a/sound/aoa/codecs/tas.c +++ b/sound/aoa/codecs/tas.c @@ -271,7 +271,7 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new volume_control = { +static const struct snd_kcontrol_new volume_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Master Playback Volume", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -314,7 +314,7 @@ static int tas_snd_mute_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new mute_control = { +static const struct snd_kcontrol_new mute_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Master Playback Switch", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -426,7 +426,7 @@ static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new drc_range_control = { +static const struct snd_kcontrol_new drc_range_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "DRC Range", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -466,7 +466,7 @@ static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new drc_switch_control = { +static const struct snd_kcontrol_new drc_switch_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "DRC Range Switch", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -524,7 +524,7 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new capture_source_control = { +static const struct snd_kcontrol_new capture_source_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, /* If we name this 'Input Source', it properly shows up in * alsamixer as a selection, * but it's shown under the @@ -586,7 +586,7 @@ static int tas_snd_treble_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new treble_control = { +static const struct snd_kcontrol_new treble_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Treble", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -637,7 +637,7 @@ static int tas_snd_bass_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new bass_control = { +static const struct snd_kcontrol_new bass_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Bass", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, diff --git a/sound/aoa/fabrics/layout.c b/sound/aoa/fabrics/layout.c index a0c4a5d..1eddf8f 100644 --- a/sound/aoa/fabrics/layout.c +++ b/sound/aoa/fabrics/layout.c @@ -707,7 +707,7 @@ static int detect_choice_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new headphone_detect_choice = { +static const struct snd_kcontrol_new headphone_detect_choice = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Detect Autoswitch", .info = control_info, @@ -717,7 +717,7 @@ static struct snd_kcontrol_new headphone_detect_choice = { .private_value = 0, }; -static struct snd_kcontrol_new lineout_detect_choice = { +static const struct snd_kcontrol_new lineout_detect_choice = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line-Out Detect Autoswitch", .info = control_info, @@ -749,7 +749,7 @@ static int detected_get(struct snd_kcontrol *kcontrol, return 0; } -static struct snd_kcontrol_new headphone_detected = { +static const struct snd_kcontrol_new headphone_detected = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Detected", .info = control_info, @@ -758,7 +758,7 @@ static struct snd_kcontrol_new headphone_detected = { .private_value = 0, }; -static struct snd_kcontrol_new lineout_detected = { +static const struct snd_kcontrol_new lineout_detected = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line-Out Detected", .info = control_info, diff --git a/sound/atmel/Kconfig b/sound/atmel/Kconfig index 94de43a..d789cbc 100644 --- a/sound/atmel/Kconfig +++ b/sound/atmel/Kconfig @@ -1,18 +1,11 @@ -menu "Atmel devices (AVR32 and AT91)" - depends on AVR32 || ARCH_AT91 - -config SND_ATMEL_ABDAC - tristate "Atmel Audio Bitstream DAC (ABDAC) driver" - select SND_PCM - depends on DW_DMAC && AVR32 - help - ALSA sound driver for the Atmel Audio Bitstream DAC (ABDAC). +menu "Atmel devices (AT91)" + depends on ARCH_AT91 config SND_ATMEL_AC97C tristate "Atmel AC97 Controller (AC97C) driver" select SND_PCM select SND_AC97_CODEC - depends on (DW_DMAC && AVR32) || ARCH_AT91 + depends on ARCH_AT91 help ALSA sound driver for the Atmel AC97 controller. diff --git a/sound/atmel/Makefile b/sound/atmel/Makefile index 219dcfa..d4009d1 100644 --- a/sound/atmel/Makefile +++ b/sound/atmel/Makefile @@ -1,5 +1,3 @@ -snd-atmel-abdac-objs := abdac.o snd-atmel-ac97c-objs := ac97c.o -obj-$(CONFIG_SND_ATMEL_ABDAC) += snd-atmel-abdac.o obj-$(CONFIG_SND_ATMEL_AC97C) += snd-atmel-ac97c.o diff --git a/sound/atmel/abdac.c b/sound/atmel/abdac.c deleted file mode 100644 index 5586188..0000000 --- a/sound/atmel/abdac.c +++ /dev/null @@ -1,610 +0,0 @@ -/* - * Driver for the Atmel on-chip Audio Bitstream DAC (ABDAC) - * - * Copyright (C) 2006-2009 Atmel Corporation - * - * 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. - */ -#include <linux/clk.h> -#include <linux/bitmap.h> -#include <linux/dmaengine.h> -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/types.h> -#include <linux/io.h> - -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/atmel-abdac.h> - -#include <linux/platform_data/dma-dw.h> -#include <linux/dma/dw.h> - -/* DAC register offsets */ -#define DAC_DATA 0x0000 -#define DAC_CTRL 0x0008 -#define DAC_INT_MASK 0x000c -#define DAC_INT_EN 0x0010 -#define DAC_INT_DIS 0x0014 -#define DAC_INT_CLR 0x0018 -#define DAC_INT_STATUS 0x001c - -/* Bitfields in CTRL */ -#define DAC_SWAP_OFFSET 30 -#define DAC_SWAP_SIZE 1 -#define DAC_EN_OFFSET 31 -#define DAC_EN_SIZE 1 - -/* Bitfields in INT_MASK/INT_EN/INT_DIS/INT_STATUS/INT_CLR */ -#define DAC_UNDERRUN_OFFSET 28 -#define DAC_UNDERRUN_SIZE 1 -#define DAC_TX_READY_OFFSET 29 -#define DAC_TX_READY_SIZE 1 - -/* Bit manipulation macros */ -#define DAC_BIT(name) \ - (1 << DAC_##name##_OFFSET) -#define DAC_BF(name, value) \ - (((value) & ((1 << DAC_##name##_SIZE) - 1)) \ - << DAC_##name##_OFFSET) -#define DAC_BFEXT(name, value) \ - (((value) >> DAC_##name##_OFFSET) \ - & ((1 << DAC_##name##_SIZE) - 1)) -#define DAC_BFINS(name, value, old) \ - (((old) & ~(((1 << DAC_##name##_SIZE) - 1) \ - << DAC_##name##_OFFSET)) \ - | DAC_BF(name, value)) - -/* Register access macros */ -#define dac_readl(port, reg) \ - __raw_readl((port)->regs + DAC_##reg) -#define dac_writel(port, reg, value) \ - __raw_writel((value), (port)->regs + DAC_##reg) - -/* - * ABDAC supports a maximum of 6 different rates from a generic clock. The - * generic clock has a power of two divider, which gives 6 steps from 192 kHz - * to 5112 Hz. - */ -#define MAX_NUM_RATES 6 -/* ALSA seems to use rates between 192000 Hz and 5112 Hz. */ -#define RATE_MAX 192000 -#define RATE_MIN 5112 - -enum { - DMA_READY = 0, -}; - -struct atmel_abdac_dma { - struct dma_chan *chan; - struct dw_cyclic_desc *cdesc; -}; - -struct atmel_abdac { - struct clk *pclk; - struct clk *sample_clk; - struct platform_device *pdev; - struct atmel_abdac_dma dma; - - struct snd_pcm_hw_constraint_list constraints_rates; - struct snd_pcm_substream *substream; - struct snd_card *card; - struct snd_pcm *pcm; - - void __iomem *regs; - unsigned long flags; - unsigned int rates[MAX_NUM_RATES]; - unsigned int rates_num; - int irq; -}; - -#define get_dac(card) ((struct atmel_abdac *)(card)->private_data) - -/* This function is called by the DMA driver. */ -static void atmel_abdac_dma_period_done(void *arg) -{ - struct atmel_abdac *dac = arg; - snd_pcm_period_elapsed(dac->substream); -} - -static int atmel_abdac_prepare_dma(struct atmel_abdac *dac, - struct snd_pcm_substream *substream, - enum dma_data_direction direction) -{ - struct dma_chan *chan = dac->dma.chan; - struct dw_cyclic_desc *cdesc; - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long buffer_len, period_len; - - /* - * We don't do DMA on "complex" transfers, i.e. with - * non-halfword-aligned buffers or lengths. - */ - if (runtime->dma_addr & 1 || runtime->buffer_size & 1) { - dev_dbg(&dac->pdev->dev, "too complex transfer\n"); - return -EINVAL; - } - - buffer_len = frames_to_bytes(runtime, runtime->buffer_size); - period_len = frames_to_bytes(runtime, runtime->period_size); - - cdesc = dw_dma_cyclic_prep(chan, runtime->dma_addr, buffer_len, - period_len, DMA_MEM_TO_DEV); - if (IS_ERR(cdesc)) { - dev_dbg(&dac->pdev->dev, "could not prepare cyclic DMA\n"); - return PTR_ERR(cdesc); - } - - cdesc->period_callback = atmel_abdac_dma_period_done; - cdesc->period_callback_param = dac; - - dac->dma.cdesc = cdesc; - - set_bit(DMA_READY, &dac->flags); - - return 0; -} - -static struct snd_pcm_hardware atmel_abdac_hw = { - .info = (SNDRV_PCM_INFO_MMAP - | SNDRV_PCM_INFO_MMAP_VALID - | SNDRV_PCM_INFO_INTERLEAVED - | SNDRV_PCM_INFO_BLOCK_TRANSFER - | SNDRV_PCM_INFO_RESUME - | SNDRV_PCM_INFO_PAUSE), - .formats = (SNDRV_PCM_FMTBIT_S16_BE), - .rates = (SNDRV_PCM_RATE_KNOT), - .rate_min = RATE_MIN, - .rate_max = RATE_MAX, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 64 * 4096, - .period_bytes_min = 4096, - .period_bytes_max = 4096, - .periods_min = 6, - .periods_max = 64, -}; - -static int atmel_abdac_open(struct snd_pcm_substream *substream) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - - dac->substream = substream; - atmel_abdac_hw.rate_max = dac->rates[dac->rates_num - 1]; - atmel_abdac_hw.rate_min = dac->rates[0]; - substream->runtime->hw = atmel_abdac_hw; - - return snd_pcm_hw_constraint_list(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, &dac->constraints_rates); -} - -static int atmel_abdac_close(struct snd_pcm_substream *substream) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - dac->substream = NULL; - return 0; -} - -static int atmel_abdac_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - int retval; - - retval = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); - if (retval < 0) - return retval; - /* snd_pcm_lib_malloc_pages returns 1 if buffer is changed. */ - if (retval == 1) - if (test_and_clear_bit(DMA_READY, &dac->flags)) - dw_dma_cyclic_free(dac->dma.chan); - - return retval; -} - -static int atmel_abdac_hw_free(struct snd_pcm_substream *substream) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - if (test_and_clear_bit(DMA_READY, &dac->flags)) - dw_dma_cyclic_free(dac->dma.chan); - return snd_pcm_lib_free_pages(substream); -} - -static int atmel_abdac_prepare(struct snd_pcm_substream *substream) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - int retval; - - retval = clk_set_rate(dac->sample_clk, 256 * substream->runtime->rate); - if (retval) - return retval; - - if (!test_bit(DMA_READY, &dac->flags)) - retval = atmel_abdac_prepare_dma(dac, substream, DMA_TO_DEVICE); - - return retval; -} - -static int atmel_abdac_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - int retval = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */ - case SNDRV_PCM_TRIGGER_RESUME: /* fall through */ - case SNDRV_PCM_TRIGGER_START: - clk_prepare_enable(dac->sample_clk); - retval = dw_dma_cyclic_start(dac->dma.chan); - if (retval) - goto out; - dac_writel(dac, CTRL, DAC_BIT(EN)); - break; - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */ - case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */ - case SNDRV_PCM_TRIGGER_STOP: - dw_dma_cyclic_stop(dac->dma.chan); - dac_writel(dac, DATA, 0); - dac_writel(dac, CTRL, 0); - clk_disable_unprepare(dac->sample_clk); - break; - default: - retval = -EINVAL; - break; - } -out: - return retval; -} - -static snd_pcm_uframes_t -atmel_abdac_pointer(struct snd_pcm_substream *substream) -{ - struct atmel_abdac *dac = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_uframes_t frames; - unsigned long bytes; - - bytes = dw_dma_get_src_addr(dac->dma.chan); - bytes -= runtime->dma_addr; - - frames = bytes_to_frames(runtime, bytes); - if (frames >= runtime->buffer_size) - frames -= runtime->buffer_size; - - return frames; -} - -static irqreturn_t abdac_interrupt(int irq, void *dev_id) -{ - struct atmel_abdac *dac = dev_id; - u32 status; - - status = dac_readl(dac, INT_STATUS); - if (status & DAC_BIT(UNDERRUN)) { - dev_err(&dac->pdev->dev, "underrun detected\n"); - dac_writel(dac, INT_CLR, DAC_BIT(UNDERRUN)); - } else { - dev_err(&dac->pdev->dev, "spurious interrupt (status=0x%x)\n", - status); - dac_writel(dac, INT_CLR, status); - } - - return IRQ_HANDLED; -} - -static struct snd_pcm_ops atmel_abdac_ops = { - .open = atmel_abdac_open, - .close = atmel_abdac_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = atmel_abdac_hw_params, - .hw_free = atmel_abdac_hw_free, - .prepare = atmel_abdac_prepare, - .trigger = atmel_abdac_trigger, - .pointer = atmel_abdac_pointer, -}; - -static int atmel_abdac_pcm_new(struct atmel_abdac *dac) -{ - struct snd_pcm_hardware hw = atmel_abdac_hw; - struct snd_pcm *pcm; - int retval; - - retval = snd_pcm_new(dac->card, dac->card->shortname, - dac->pdev->id, 1, 0, &pcm); - if (retval) - return retval; - - strcpy(pcm->name, dac->card->shortname); - pcm->private_data = dac; - pcm->info_flags = 0; - dac->pcm = pcm; - - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &atmel_abdac_ops); - - retval = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - &dac->pdev->dev, hw.periods_min * hw.period_bytes_min, - hw.buffer_bytes_max); - - return retval; -} - -static bool filter(struct dma_chan *chan, void *slave) -{ - struct dw_dma_slave *dws = slave; - - if (dws->dma_dev == chan->device->dev) { - chan->private = dws; - return true; - } else - return false; -} - -static int set_sample_rates(struct atmel_abdac *dac) -{ - long new_rate = RATE_MAX; - int retval = -EINVAL; - int index = 0; - - /* we start at 192 kHz and work our way down to 5112 Hz */ - while (new_rate >= RATE_MIN && index < (MAX_NUM_RATES + 1)) { - new_rate = clk_round_rate(dac->sample_clk, 256 * new_rate); - if (new_rate <= 0) - break; - /* make sure we are below the ABDAC clock */ - if (index < MAX_NUM_RATES && - new_rate <= clk_get_rate(dac->pclk)) { - dac->rates[index] = new_rate / 256; - index++; - } - /* divide by 256 and then by two to get next rate */ - new_rate /= 256 * 2; - } - - if (index) { - int i; - - /* reverse array, smallest go first */ - for (i = 0; i < (index / 2); i++) { - unsigned int tmp = dac->rates[index - 1 - i]; - dac->rates[index - 1 - i] = dac->rates[i]; - dac->rates[i] = tmp; - } - - dac->constraints_rates.count = index; - dac->constraints_rates.list = dac->rates; - dac->constraints_rates.mask = 0; - dac->rates_num = index; - - retval = 0; - } - - return retval; -} - -static int atmel_abdac_probe(struct platform_device *pdev) -{ - struct snd_card *card; - struct atmel_abdac *dac; - struct resource *regs; - struct atmel_abdac_pdata *pdata; - struct clk *pclk; - struct clk *sample_clk; - int retval; - int irq; - - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!regs) { - dev_dbg(&pdev->dev, "no memory resource\n"); - return -ENXIO; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_dbg(&pdev->dev, "could not get IRQ number\n"); - return irq; - } - - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_dbg(&pdev->dev, "no platform data\n"); - return -ENXIO; - } - - pclk = clk_get(&pdev->dev, "pclk"); - if (IS_ERR(pclk)) { - dev_dbg(&pdev->dev, "no peripheral clock\n"); - return PTR_ERR(pclk); - } - sample_clk = clk_get(&pdev->dev, "sample_clk"); - if (IS_ERR(sample_clk)) { - dev_dbg(&pdev->dev, "no sample clock\n"); - retval = PTR_ERR(sample_clk); - goto out_put_pclk; - } - clk_prepare_enable(pclk); - - retval = snd_card_new(&pdev->dev, SNDRV_DEFAULT_IDX1, - SNDRV_DEFAULT_STR1, THIS_MODULE, - sizeof(struct atmel_abdac), &card); - if (retval) { - dev_dbg(&pdev->dev, "could not create sound card device\n"); - goto out_put_sample_clk; - } - - dac = get_dac(card); - - dac->irq = irq; - dac->card = card; - dac->pclk = pclk; - dac->sample_clk = sample_clk; - dac->pdev = pdev; - - retval = set_sample_rates(dac); - if (retval < 0) { - dev_dbg(&pdev->dev, "could not set supported rates\n"); - goto out_free_card; - } - - dac->regs = ioremap(regs->start, resource_size(regs)); - if (!dac->regs) { - dev_dbg(&pdev->dev, "could not remap register memory\n"); - retval = -ENOMEM; - goto out_free_card; - } - - /* make sure the DAC is silent and disabled */ - dac_writel(dac, DATA, 0); - dac_writel(dac, CTRL, 0); - - retval = request_irq(irq, abdac_interrupt, 0, "abdac", dac); - if (retval) { - dev_dbg(&pdev->dev, "could not request irq\n"); - goto out_unmap_regs; - } - - if (pdata->dws.dma_dev) { - dma_cap_mask_t mask; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - dac->dma.chan = dma_request_channel(mask, filter, &pdata->dws); - if (dac->dma.chan) { - struct dma_slave_config dma_conf = { - .dst_addr = regs->start + DAC_DATA, - .dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, - .src_maxburst = 1, - .dst_maxburst = 1, - .direction = DMA_MEM_TO_DEV, - .device_fc = false, - }; - - dmaengine_slave_config(dac->dma.chan, &dma_conf); - } - } - if (!pdata->dws.dma_dev || !dac->dma.chan) { - dev_dbg(&pdev->dev, "DMA not available\n"); - retval = -ENODEV; - goto out_unmap_regs; - } - - strcpy(card->driver, "Atmel ABDAC"); - strcpy(card->shortname, "Atmel ABDAC"); - sprintf(card->longname, "Atmel Audio Bitstream DAC"); - - retval = atmel_abdac_pcm_new(dac); - if (retval) { - dev_dbg(&pdev->dev, "could not register ABDAC pcm device\n"); - goto out_release_dma; - } - - retval = snd_card_register(card); - if (retval) { - dev_dbg(&pdev->dev, "could not register sound card\n"); - goto out_release_dma; - } - - platform_set_drvdata(pdev, card); - - dev_info(&pdev->dev, "Atmel ABDAC at 0x%p using %s\n", - dac->regs, dev_name(&dac->dma.chan->dev->device)); - - return retval; - -out_release_dma: - dma_release_channel(dac->dma.chan); - dac->dma.chan = NULL; -out_unmap_regs: - iounmap(dac->regs); -out_free_card: - snd_card_free(card); -out_put_sample_clk: - clk_put(sample_clk); - clk_disable_unprepare(pclk); -out_put_pclk: - clk_put(pclk); - return retval; -} - -#ifdef CONFIG_PM_SLEEP -static int atmel_abdac_suspend(struct device *pdev) -{ - struct snd_card *card = dev_get_drvdata(pdev); - struct atmel_abdac *dac = card->private_data; - - dw_dma_cyclic_stop(dac->dma.chan); - clk_disable_unprepare(dac->sample_clk); - clk_disable_unprepare(dac->pclk); - - return 0; -} - -static int atmel_abdac_resume(struct device *pdev) -{ - struct snd_card *card = dev_get_drvdata(pdev); - struct atmel_abdac *dac = card->private_data; - - clk_prepare_enable(dac->pclk); - clk_prepare_enable(dac->sample_clk); - if (test_bit(DMA_READY, &dac->flags)) - dw_dma_cyclic_start(dac->dma.chan); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(atmel_abdac_pm, atmel_abdac_suspend, atmel_abdac_resume); -#define ATMEL_ABDAC_PM_OPS &atmel_abdac_pm -#else -#define ATMEL_ABDAC_PM_OPS NULL -#endif - -static int atmel_abdac_remove(struct platform_device *pdev) -{ - struct snd_card *card = platform_get_drvdata(pdev); - struct atmel_abdac *dac = get_dac(card); - - clk_put(dac->sample_clk); - clk_disable_unprepare(dac->pclk); - clk_put(dac->pclk); - - dma_release_channel(dac->dma.chan); - dac->dma.chan = NULL; - iounmap(dac->regs); - free_irq(dac->irq, dac); - snd_card_free(card); - - return 0; -} - -static struct platform_driver atmel_abdac_driver = { - .remove = atmel_abdac_remove, - .driver = { - .name = "atmel_abdac", - .pm = ATMEL_ABDAC_PM_OPS, - }, -}; - -static int __init atmel_abdac_init(void) -{ - return platform_driver_probe(&atmel_abdac_driver, - atmel_abdac_probe); -} -module_init(atmel_abdac_init); - -static void __exit atmel_abdac_exit(void) -{ - platform_driver_unregister(&atmel_abdac_driver); -} -module_exit(atmel_abdac_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Driver for Atmel Audio Bitstream DAC (ABDAC)"); -MODULE_AUTHOR("Hans-Christian Egtvedt <egtvedt@samfundet.no>"); diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c index 6dad042..65e6948 100644 --- a/sound/atmel/ac97c.c +++ b/sound/atmel/ac97c.c @@ -11,8 +11,6 @@ #include <linux/delay.h> #include <linux/bitmap.h> #include <linux/device.h> -#include <linux/dmaengine.h> -#include <linux/dma-mapping.h> #include <linux/atmel_pdc.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -34,36 +32,14 @@ #include <sound/atmel-ac97c.h> #include <sound/memalloc.h> -#include <linux/platform_data/dma-dw.h> -#include <linux/dma/dw.h> - -#ifdef CONFIG_AVR32 -#include <mach/cpu.h> -#else -#define cpu_is_at32ap7000() 0 -#endif - #include "ac97c.h" -enum { - DMA_TX_READY = 0, - DMA_RX_READY, - DMA_TX_CHAN_PRESENT, - DMA_RX_CHAN_PRESENT, -}; - /* Serialize access to opened variable */ static DEFINE_MUTEX(opened_mutex); -struct atmel_ac97c_dma { - struct dma_chan *rx_chan; - struct dma_chan *tx_chan; -}; - struct atmel_ac97c { struct clk *pclk; struct platform_device *pdev; - struct atmel_ac97c_dma dma; struct snd_pcm_substream *playback_substream; struct snd_pcm_substream *capture_substream; @@ -74,7 +50,6 @@ struct atmel_ac97c { u64 cur_format; unsigned int cur_rate; - unsigned long flags; int playback_period, capture_period; /* Serialize access to opened variable */ spinlock_t lock; @@ -91,65 +66,6 @@ struct atmel_ac97c { #define ac97c_readl(chip, reg) \ __raw_readl((chip)->regs + AC97C_##reg) -/* This function is called by the DMA driver. */ -static void atmel_ac97c_dma_playback_period_done(void *arg) -{ - struct atmel_ac97c *chip = arg; - snd_pcm_period_elapsed(chip->playback_substream); -} - -static void atmel_ac97c_dma_capture_period_done(void *arg) -{ - struct atmel_ac97c *chip = arg; - snd_pcm_period_elapsed(chip->capture_substream); -} - -static int atmel_ac97c_prepare_dma(struct atmel_ac97c *chip, - struct snd_pcm_substream *substream, - enum dma_transfer_direction direction) -{ - struct dma_chan *chan; - struct dw_cyclic_desc *cdesc; - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long buffer_len, period_len; - - /* - * We don't do DMA on "complex" transfers, i.e. with - * non-halfword-aligned buffers or lengths. - */ - if (runtime->dma_addr & 1 || runtime->buffer_size & 1) { - dev_dbg(&chip->pdev->dev, "too complex transfer\n"); - return -EINVAL; - } - - if (direction == DMA_MEM_TO_DEV) - chan = chip->dma.tx_chan; - else - chan = chip->dma.rx_chan; - - buffer_len = frames_to_bytes(runtime, runtime->buffer_size); - period_len = frames_to_bytes(runtime, runtime->period_size); - - cdesc = dw_dma_cyclic_prep(chan, runtime->dma_addr, buffer_len, - period_len, direction); - if (IS_ERR(cdesc)) { - dev_dbg(&chip->pdev->dev, "could not prepare cyclic DMA\n"); - return PTR_ERR(cdesc); - } - - if (direction == DMA_MEM_TO_DEV) { - cdesc->period_callback = atmel_ac97c_dma_playback_period_done; - set_bit(DMA_TX_READY, &chip->flags); - } else { - cdesc->period_callback = atmel_ac97c_dma_capture_period_done; - set_bit(DMA_RX_READY, &chip->flags); - } - - cdesc->period_callback_param = chip; - - return 0; -} - static struct snd_pcm_hardware atmel_ac97c_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID @@ -254,13 +170,7 @@ static int atmel_ac97c_playback_hw_params(struct snd_pcm_substream *substream, params_buffer_bytes(hw_params)); if (retval < 0) return retval; - /* snd_pcm_lib_malloc_pages returns 1 if buffer is changed. */ - if (cpu_is_at32ap7000()) { - /* snd_pcm_lib_malloc_pages returns 1 if buffer is changed. */ - if (retval == 1) - if (test_and_clear_bit(DMA_TX_READY, &chip->flags)) - dw_dma_cyclic_free(chip->dma.tx_chan); - } + /* Set restrictions to params. */ mutex_lock(&opened_mutex); chip->cur_rate = params_rate(hw_params); @@ -280,10 +190,6 @@ static int atmel_ac97c_capture_hw_params(struct snd_pcm_substream *substream, params_buffer_bytes(hw_params)); if (retval < 0) return retval; - /* snd_pcm_lib_malloc_pages returns 1 if buffer is changed. */ - if (cpu_is_at32ap7000() && retval == 1) - if (test_and_clear_bit(DMA_RX_READY, &chip->flags)) - dw_dma_cyclic_free(chip->dma.rx_chan); /* Set restrictions to params. */ mutex_lock(&opened_mutex); @@ -294,26 +200,6 @@ static int atmel_ac97c_capture_hw_params(struct snd_pcm_substream *substream, return retval; } -static int atmel_ac97c_playback_hw_free(struct snd_pcm_substream *substream) -{ - struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); - if (cpu_is_at32ap7000()) { - if (test_and_clear_bit(DMA_TX_READY, &chip->flags)) - dw_dma_cyclic_free(chip->dma.tx_chan); - } - return snd_pcm_lib_free_pages(substream); -} - -static int atmel_ac97c_capture_hw_free(struct snd_pcm_substream *substream) -{ - struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); - if (cpu_is_at32ap7000()) { - if (test_and_clear_bit(DMA_RX_READY, &chip->flags)) - dw_dma_cyclic_free(chip->dma.rx_chan); - } - return snd_pcm_lib_free_pages(substream); -} - static int atmel_ac97c_playback_prepare(struct snd_pcm_substream *substream) { struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); @@ -349,8 +235,6 @@ static int atmel_ac97c_playback_prepare(struct snd_pcm_substream *substream) switch (runtime->format) { case SNDRV_PCM_FORMAT_S16_LE: - if (cpu_is_at32ap7000()) - word |= AC97C_CMR_CEM_LITTLE; break; case SNDRV_PCM_FORMAT_S16_BE: /* fall through */ word &= ~(AC97C_CMR_CEM_LITTLE); @@ -389,18 +273,11 @@ static int atmel_ac97c_playback_prepare(struct snd_pcm_substream *substream) dev_dbg(&chip->pdev->dev, "could not set rate %d Hz\n", runtime->rate); - if (cpu_is_at32ap7000()) { - if (!test_bit(DMA_TX_READY, &chip->flags)) - retval = atmel_ac97c_prepare_dma(chip, substream, - DMA_MEM_TO_DEV); - } else { - /* Initialize and start the PDC */ - writel(runtime->dma_addr, chip->regs + ATMEL_PDC_TPR); - writel(block_size / 2, chip->regs + ATMEL_PDC_TCR); - writel(runtime->dma_addr + block_size, - chip->regs + ATMEL_PDC_TNPR); - writel(block_size / 2, chip->regs + ATMEL_PDC_TNCR); - } + /* Initialize and start the PDC */ + writel(runtime->dma_addr, chip->regs + ATMEL_PDC_TPR); + writel(block_size / 2, chip->regs + ATMEL_PDC_TCR); + writel(runtime->dma_addr + block_size, chip->regs + ATMEL_PDC_TNPR); + writel(block_size / 2, chip->regs + ATMEL_PDC_TNCR); return retval; } @@ -440,8 +317,6 @@ static int atmel_ac97c_capture_prepare(struct snd_pcm_substream *substream) switch (runtime->format) { case SNDRV_PCM_FORMAT_S16_LE: - if (cpu_is_at32ap7000()) - word |= AC97C_CMR_CEM_LITTLE; break; case SNDRV_PCM_FORMAT_S16_BE: /* fall through */ word &= ~(AC97C_CMR_CEM_LITTLE); @@ -480,18 +355,11 @@ static int atmel_ac97c_capture_prepare(struct snd_pcm_substream *substream) dev_dbg(&chip->pdev->dev, "could not set rate %d Hz\n", runtime->rate); - if (cpu_is_at32ap7000()) { - if (!test_bit(DMA_RX_READY, &chip->flags)) - retval = atmel_ac97c_prepare_dma(chip, substream, - DMA_DEV_TO_MEM); - } else { - /* Initialize and start the PDC */ - writel(runtime->dma_addr, chip->regs + ATMEL_PDC_RPR); - writel(block_size / 2, chip->regs + ATMEL_PDC_RCR); - writel(runtime->dma_addr + block_size, - chip->regs + ATMEL_PDC_RNPR); - writel(block_size / 2, chip->regs + ATMEL_PDC_RNCR); - } + /* Initialize and start the PDC */ + writel(runtime->dma_addr, chip->regs + ATMEL_PDC_RPR); + writel(block_size / 2, chip->regs + ATMEL_PDC_RCR); + writel(runtime->dma_addr + block_size, chip->regs + ATMEL_PDC_RNPR); + writel(block_size / 2, chip->regs + ATMEL_PDC_RNCR); return retval; } @@ -501,7 +369,6 @@ atmel_ac97c_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); unsigned long camr, ptcr = 0; - int retval = 0; camr = ac97c_readl(chip, CAMR); @@ -509,35 +376,23 @@ atmel_ac97c_playback_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */ case SNDRV_PCM_TRIGGER_RESUME: /* fall through */ case SNDRV_PCM_TRIGGER_START: - if (cpu_is_at32ap7000()) { - retval = dw_dma_cyclic_start(chip->dma.tx_chan); - if (retval) - goto out; - } else { - ptcr = ATMEL_PDC_TXTEN; - } + ptcr = ATMEL_PDC_TXTEN; camr |= AC97C_CMR_CENA | AC97C_CSR_ENDTX; break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */ case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */ case SNDRV_PCM_TRIGGER_STOP: - if (cpu_is_at32ap7000()) - dw_dma_cyclic_stop(chip->dma.tx_chan); - else - ptcr |= ATMEL_PDC_TXTDIS; + ptcr |= ATMEL_PDC_TXTDIS; if (chip->opened <= 1) camr &= ~AC97C_CMR_CENA; break; default: - retval = -EINVAL; - goto out; + return -EINVAL; } ac97c_writel(chip, CAMR, camr); - if (!cpu_is_at32ap7000()) - writel(ptcr, chip->regs + ATMEL_PDC_PTCR); -out: - return retval; + writel(ptcr, chip->regs + ATMEL_PDC_PTCR); + return 0; } static int @@ -545,7 +400,6 @@ atmel_ac97c_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); unsigned long camr, ptcr = 0; - int retval = 0; camr = ac97c_readl(chip, CAMR); ptcr = readl(chip->regs + ATMEL_PDC_PTSR); @@ -554,35 +408,23 @@ atmel_ac97c_capture_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */ case SNDRV_PCM_TRIGGER_RESUME: /* fall through */ case SNDRV_PCM_TRIGGER_START: - if (cpu_is_at32ap7000()) { - retval = dw_dma_cyclic_start(chip->dma.rx_chan); - if (retval) - goto out; - } else { - ptcr = ATMEL_PDC_RXTEN; - } + ptcr = ATMEL_PDC_RXTEN; camr |= AC97C_CMR_CENA | AC97C_CSR_ENDRX; break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */ case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */ case SNDRV_PCM_TRIGGER_STOP: - if (cpu_is_at32ap7000()) - dw_dma_cyclic_stop(chip->dma.rx_chan); - else - ptcr |= (ATMEL_PDC_RXTDIS); + ptcr |= ATMEL_PDC_RXTDIS; if (chip->opened <= 1) camr &= ~AC97C_CMR_CENA; break; default: - retval = -EINVAL; - break; + return -EINVAL; } ac97c_writel(chip, CAMR, camr); - if (!cpu_is_at32ap7000()) - writel(ptcr, chip->regs + ATMEL_PDC_PTCR); -out: - return retval; + writel(ptcr, chip->regs + ATMEL_PDC_PTCR); + return 0; } static snd_pcm_uframes_t @@ -593,10 +435,7 @@ atmel_ac97c_playback_pointer(struct snd_pcm_substream *substream) snd_pcm_uframes_t frames; unsigned long bytes; - if (cpu_is_at32ap7000()) - bytes = dw_dma_get_src_addr(chip->dma.tx_chan); - else - bytes = readl(chip->regs + ATMEL_PDC_TPR); + bytes = readl(chip->regs + ATMEL_PDC_TPR); bytes -= runtime->dma_addr; frames = bytes_to_frames(runtime, bytes); @@ -613,10 +452,7 @@ atmel_ac97c_capture_pointer(struct snd_pcm_substream *substream) snd_pcm_uframes_t frames; unsigned long bytes; - if (cpu_is_at32ap7000()) - bytes = dw_dma_get_dst_addr(chip->dma.rx_chan); - else - bytes = readl(chip->regs + ATMEL_PDC_RPR); + bytes = readl(chip->regs + ATMEL_PDC_RPR); bytes -= runtime->dma_addr; frames = bytes_to_frames(runtime, bytes); @@ -630,7 +466,7 @@ static struct snd_pcm_ops atmel_ac97_playback_ops = { .close = atmel_ac97c_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = atmel_ac97c_playback_hw_params, - .hw_free = atmel_ac97c_playback_hw_free, + .hw_free = snd_pcm_lib_free_pages, .prepare = atmel_ac97c_playback_prepare, .trigger = atmel_ac97c_playback_trigger, .pointer = atmel_ac97c_playback_pointer, @@ -641,7 +477,7 @@ static struct snd_pcm_ops atmel_ac97_capture_ops = { .close = atmel_ac97c_capture_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = atmel_ac97c_capture_hw_params, - .hw_free = atmel_ac97c_capture_hw_free, + .hw_free = snd_pcm_lib_free_pages, .prepare = atmel_ac97c_capture_prepare, .trigger = atmel_ac97c_capture_trigger, .pointer = atmel_ac97c_capture_pointer, @@ -666,49 +502,40 @@ static irqreturn_t atmel_ac97c_interrupt(int irq, void *dev) casr & AC97C_CSR_TXEMPTY ? " TXEMPTY" : "", casr & AC97C_CSR_TXRDY ? " TXRDY" : "", !casr ? " NONE" : ""); - if (!cpu_is_at32ap7000()) { - if ((casr & camr) & AC97C_CSR_ENDTX) { - runtime = chip->playback_substream->runtime; - block_size = frames_to_bytes(runtime, - runtime->period_size); - chip->playback_period++; - - if (chip->playback_period == runtime->periods) - chip->playback_period = 0; - next_period = chip->playback_period + 1; - if (next_period == runtime->periods) - next_period = 0; - - offset = block_size * next_period; - - writel(runtime->dma_addr + offset, - chip->regs + ATMEL_PDC_TNPR); - writel(block_size / 2, - chip->regs + ATMEL_PDC_TNCR); - - snd_pcm_period_elapsed( - chip->playback_substream); - } - if ((casr & camr) & AC97C_CSR_ENDRX) { - runtime = chip->capture_substream->runtime; - block_size = frames_to_bytes(runtime, - runtime->period_size); - chip->capture_period++; - - if (chip->capture_period == runtime->periods) - chip->capture_period = 0; - next_period = chip->capture_period + 1; - if (next_period == runtime->periods) - next_period = 0; - - offset = block_size * next_period; - - writel(runtime->dma_addr + offset, - chip->regs + ATMEL_PDC_RNPR); - writel(block_size / 2, - chip->regs + ATMEL_PDC_RNCR); - snd_pcm_period_elapsed(chip->capture_substream); - } + if ((casr & camr) & AC97C_CSR_ENDTX) { + runtime = chip->playback_substream->runtime; + block_size = frames_to_bytes(runtime, runtime->period_size); + chip->playback_period++; + + if (chip->playback_period == runtime->periods) + chip->playback_period = 0; + next_period = chip->playback_period + 1; + if (next_period == runtime->periods) + next_period = 0; + + offset = block_size * next_period; + + writel(runtime->dma_addr + offset, chip->regs + ATMEL_PDC_TNPR); + writel(block_size / 2, chip->regs + ATMEL_PDC_TNCR); + + snd_pcm_period_elapsed(chip->playback_substream); + } + if ((casr & camr) & AC97C_CSR_ENDRX) { + runtime = chip->capture_substream->runtime; + block_size = frames_to_bytes(runtime, runtime->period_size); + chip->capture_period++; + + if (chip->capture_period == runtime->periods) + chip->capture_period = 0; + next_period = chip->capture_period + 1; + if (next_period == runtime->periods) + next_period = 0; + + offset = block_size * next_period; + + writel(runtime->dma_addr + offset, chip->regs + ATMEL_PDC_RNPR); + writel(block_size / 2, chip->regs + ATMEL_PDC_RNCR); + snd_pcm_period_elapsed(chip->capture_substream); } retval = IRQ_HANDLED; } @@ -763,29 +590,20 @@ static int atmel_ac97c_pcm_new(struct atmel_ac97c *chip) { struct snd_pcm *pcm; struct snd_pcm_hardware hw = atmel_ac97c_hw; - int capture, playback, retval, err; + int retval; - capture = test_bit(DMA_RX_CHAN_PRESENT, &chip->flags); - playback = test_bit(DMA_TX_CHAN_PRESENT, &chip->flags); + retval = snd_ac97_pcm_assign(chip->ac97_bus, + ARRAY_SIZE(at91_ac97_pcm_defs), + at91_ac97_pcm_defs); + if (retval) + return retval; - if (!cpu_is_at32ap7000()) { - err = snd_ac97_pcm_assign(chip->ac97_bus, - ARRAY_SIZE(at91_ac97_pcm_defs), - at91_ac97_pcm_defs); - if (err) - return err; - } - retval = snd_pcm_new(chip->card, chip->card->shortname, - 0, playback, capture, &pcm); + retval = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); if (retval) return retval; - if (capture) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, - &atmel_ac97_capture_ops); - if (playback) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &atmel_ac97_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &atmel_ac97_capture_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &atmel_ac97_playback_ops); retval = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pdev->dev, hw.periods_min * hw.period_bytes_min, @@ -875,17 +693,6 @@ timed_out: return 0xffff; } -static bool filter(struct dma_chan *chan, void *slave) -{ - struct dw_dma_slave *dws = slave; - - if (dws->dma_dev == chan->device->dev) { - chan->private = dws; - return true; - } else - return false; -} - static void atmel_ac97c_reset(struct atmel_ac97c *chip) { ac97c_writel(chip, MR, 0); @@ -971,12 +778,7 @@ static int atmel_ac97c_probe(struct platform_device *pdev) return -ENXIO; } - if (cpu_is_at32ap7000()) { - pclk = clk_get(&pdev->dev, "pclk"); - } else { - pclk = clk_get(&pdev->dev, "ac97_clk"); - } - + pclk = clk_get(&pdev->dev, "ac97_clk"); if (IS_ERR(pclk)) { dev_dbg(&pdev->dev, "no peripheral clock\n"); return PTR_ERR(pclk); @@ -1047,88 +849,16 @@ static int atmel_ac97c_probe(struct platform_device *pdev) goto err_ac97_bus; } - if (cpu_is_at32ap7000()) { - if (pdata->rx_dws.dma_dev) { - dma_cap_mask_t mask; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - chip->dma.rx_chan = dma_request_channel(mask, filter, - &pdata->rx_dws); - if (chip->dma.rx_chan) { - struct dma_slave_config dma_conf = { - .src_addr = regs->start + AC97C_CARHR + - 2, - .src_addr_width = - DMA_SLAVE_BUSWIDTH_2_BYTES, - .src_maxburst = 1, - .dst_maxburst = 1, - .direction = DMA_DEV_TO_MEM, - .device_fc = false, - }; - - dmaengine_slave_config(chip->dma.rx_chan, - &dma_conf); - } - - dev_info(&chip->pdev->dev, "using %s for DMA RX\n", - dev_name(&chip->dma.rx_chan->dev->device)); - set_bit(DMA_RX_CHAN_PRESENT, &chip->flags); - } - - if (pdata->tx_dws.dma_dev) { - dma_cap_mask_t mask; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - chip->dma.tx_chan = dma_request_channel(mask, filter, - &pdata->tx_dws); - if (chip->dma.tx_chan) { - struct dma_slave_config dma_conf = { - .dst_addr = regs->start + AC97C_CATHR + - 2, - .dst_addr_width = - DMA_SLAVE_BUSWIDTH_2_BYTES, - .src_maxburst = 1, - .dst_maxburst = 1, - .direction = DMA_MEM_TO_DEV, - .device_fc = false, - }; - - dmaengine_slave_config(chip->dma.tx_chan, - &dma_conf); - } - - dev_info(&chip->pdev->dev, "using %s for DMA TX\n", - dev_name(&chip->dma.tx_chan->dev->device)); - set_bit(DMA_TX_CHAN_PRESENT, &chip->flags); - } - - if (!test_bit(DMA_RX_CHAN_PRESENT, &chip->flags) && - !test_bit(DMA_TX_CHAN_PRESENT, &chip->flags)) { - dev_dbg(&pdev->dev, "DMA not available\n"); - retval = -ENODEV; - goto err_dma; - } - } else { - /* Just pretend that we have DMA channel(for at91 i is actually - * the PDC) */ - set_bit(DMA_RX_CHAN_PRESENT, &chip->flags); - set_bit(DMA_TX_CHAN_PRESENT, &chip->flags); - } - retval = atmel_ac97c_pcm_new(chip); if (retval) { dev_dbg(&pdev->dev, "could not register ac97 pcm device\n"); - goto err_dma; + goto err_ac97_bus; } retval = snd_card_register(card); if (retval) { dev_dbg(&pdev->dev, "could not register sound card\n"); - goto err_dma; + goto err_ac97_bus; } platform_set_drvdata(pdev, card); @@ -1138,17 +868,6 @@ static int atmel_ac97c_probe(struct platform_device *pdev) return 0; -err_dma: - if (cpu_is_at32ap7000()) { - if (test_bit(DMA_RX_CHAN_PRESENT, &chip->flags)) - dma_release_channel(chip->dma.rx_chan); - if (test_bit(DMA_TX_CHAN_PRESENT, &chip->flags)) - dma_release_channel(chip->dma.tx_chan); - clear_bit(DMA_RX_CHAN_PRESENT, &chip->flags); - clear_bit(DMA_TX_CHAN_PRESENT, &chip->flags); - chip->dma.rx_chan = NULL; - chip->dma.tx_chan = NULL; - } err_ac97_bus: if (gpio_is_valid(chip->reset_pin)) gpio_free(chip->reset_pin); @@ -1170,14 +889,7 @@ static int atmel_ac97c_suspend(struct device *pdev) struct snd_card *card = dev_get_drvdata(pdev); struct atmel_ac97c *chip = card->private_data; - if (cpu_is_at32ap7000()) { - if (test_bit(DMA_RX_READY, &chip->flags)) - dw_dma_cyclic_stop(chip->dma.rx_chan); - if (test_bit(DMA_TX_READY, &chip->flags)) - dw_dma_cyclic_stop(chip->dma.tx_chan); - } clk_disable_unprepare(chip->pclk); - return 0; } @@ -1187,12 +899,6 @@ static int atmel_ac97c_resume(struct device *pdev) struct atmel_ac97c *chip = card->private_data; clk_prepare_enable(chip->pclk); - if (cpu_is_at32ap7000()) { - if (test_bit(DMA_RX_READY, &chip->flags)) - dw_dma_cyclic_start(chip->dma.rx_chan); - if (test_bit(DMA_TX_READY, &chip->flags)) - dw_dma_cyclic_start(chip->dma.tx_chan); - } return 0; } @@ -1219,17 +925,6 @@ static int atmel_ac97c_remove(struct platform_device *pdev) iounmap(chip->regs); free_irq(chip->irq, chip); - if (cpu_is_at32ap7000()) { - if (test_bit(DMA_RX_CHAN_PRESENT, &chip->flags)) - dma_release_channel(chip->dma.rx_chan); - if (test_bit(DMA_TX_CHAN_PRESENT, &chip->flags)) - dma_release_channel(chip->dma.tx_chan); - clear_bit(DMA_RX_CHAN_PRESENT, &chip->flags); - clear_bit(DMA_TX_CHAN_PRESENT, &chip->flags); - chip->dma.rx_chan = NULL; - chip->dma.tx_chan = NULL; - } - snd_card_free(card); return 0; diff --git a/sound/core/control.c b/sound/core/control.c index c109b82..ecd3582 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -747,65 +747,45 @@ static int snd_ctl_card_info(struct snd_card *card, struct snd_ctl_file * ctl, static int snd_ctl_elem_list(struct snd_card *card, struct snd_ctl_elem_list __user *_list) { - struct list_head *plist; struct snd_ctl_elem_list list; struct snd_kcontrol *kctl; - struct snd_ctl_elem_id *dst, *id; + struct snd_ctl_elem_id id; unsigned int offset, space, jidx; + int err = 0; if (copy_from_user(&list, _list, sizeof(list))) return -EFAULT; offset = list.offset; space = list.space; - /* try limit maximum space */ - if (space > 16384) - return -ENOMEM; + + down_read(&card->controls_rwsem); + list.count = card->controls_count; + list.used = 0; if (space > 0) { - /* allocate temporary buffer for atomic operation */ - dst = vmalloc(space * sizeof(struct snd_ctl_elem_id)); - if (dst == NULL) - return -ENOMEM; - down_read(&card->controls_rwsem); - list.count = card->controls_count; - plist = card->controls.next; - while (plist != &card->controls) { - if (offset == 0) - break; - kctl = snd_kcontrol(plist); - if (offset < kctl->count) - break; - offset -= kctl->count; - plist = plist->next; - } - list.used = 0; - id = dst; - while (space > 0 && plist != &card->controls) { - kctl = snd_kcontrol(plist); - for (jidx = offset; space > 0 && jidx < kctl->count; jidx++) { - snd_ctl_build_ioff(id, kctl, jidx); - id++; - space--; + list_for_each_entry(kctl, &card->controls, list) { + if (offset >= kctl->count) { + offset -= kctl->count; + continue; + } + for (jidx = offset; jidx < kctl->count; jidx++) { + snd_ctl_build_ioff(&id, kctl, jidx); + if (copy_to_user(list.pids + list.used, &id, + sizeof(id))) { + err = -EFAULT; + goto out; + } list.used++; + if (!--space) + goto out; } - plist = plist->next; offset = 0; } - up_read(&card->controls_rwsem); - if (list.used > 0 && - copy_to_user(list.pids, dst, - list.used * sizeof(struct snd_ctl_elem_id))) { - vfree(dst); - return -EFAULT; - } - vfree(dst); - } else { - down_read(&card->controls_rwsem); - list.count = card->controls_count; - up_read(&card->controls_rwsem); } - if (copy_to_user(_list, &list, sizeof(list))) - return -EFAULT; - return 0; + out: + up_read(&card->controls_rwsem); + if (!err && copy_to_user(_list, &list, sizeof(list))) + err = -EFAULT; + return err; } static bool validate_element_member_dimension(struct snd_ctl_elem_info *info) diff --git a/sound/core/ctljack.c b/sound/core/ctljack.c index 84a3cd6..0249d5e 100644 --- a/sound/core/ctljack.c +++ b/sound/core/ctljack.c @@ -23,7 +23,7 @@ static int jack_detect_kctl_get(struct snd_kcontrol *kcontrol, return 0; } -static struct snd_kcontrol_new jack_detect_kctl = { +static const struct snd_kcontrol_new jack_detect_kctl = { /* name is filled later */ .iface = SNDRV_CTL_ELEM_IFACE_CARD, .access = SNDRV_CTL_ELEM_ACCESS_READ, diff --git a/sound/core/info.c b/sound/core/info.c index 8ab72e0..fc14ebe 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -344,12 +344,12 @@ static ssize_t snd_info_text_entry_write(struct file *file, } } if (next > buf->len) { - char *nbuf = krealloc(buf->buffer, PAGE_ALIGN(next), - GFP_KERNEL | __GFP_ZERO); + char *nbuf = kvzalloc(PAGE_ALIGN(next), GFP_KERNEL); if (!nbuf) { err = -ENOMEM; goto error; } + kvfree(buf->buffer); buf->buffer = nbuf; buf->len = PAGE_ALIGN(next); } @@ -427,7 +427,7 @@ static int snd_info_text_entry_release(struct inode *inode, struct file *file) single_release(inode, file); kfree(data->rbuffer); if (data->wbuffer) { - kfree(data->wbuffer->buffer); + kvfree(data->wbuffer->buffer); kfree(data->wbuffer); } diff --git a/sound/core/oss/io.c b/sound/core/oss/io.c index 6faa1d71..d870b2d 100644 --- a/sound/core/oss/io.c +++ b/sound/core/oss/io.c @@ -26,9 +26,9 @@ #include "pcm_plugin.h" #define pcm_write(plug,buf,count) snd_pcm_oss_write3(plug,buf,count,1) -#define pcm_writev(plug,vec,count) snd_pcm_oss_writev3(plug,vec,count,1) +#define pcm_writev(plug,vec,count) snd_pcm_oss_writev3(plug,vec,count) #define pcm_read(plug,buf,count) snd_pcm_oss_read3(plug,buf,count,1) -#define pcm_readv(plug,vec,count) snd_pcm_oss_readv3(plug,vec,count,1) +#define pcm_readv(plug,vec,count) snd_pcm_oss_readv3(plug,vec,count) /* * Basic io plugin diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 36baf96..5e1009d 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -67,18 +67,6 @@ static int snd_pcm_oss_get_rate(struct snd_pcm_oss_file *pcm_oss_file); static int snd_pcm_oss_get_channels(struct snd_pcm_oss_file *pcm_oss_file); static int snd_pcm_oss_get_format(struct snd_pcm_oss_file *pcm_oss_file); -static inline mm_segment_t snd_enter_user(void) -{ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); - return fs; -} - -static inline void snd_leave_user(mm_segment_t fs) -{ - set_fs(fs); -} - /* * helper functions to process hw_params */ @@ -799,7 +787,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, static int choose_rate(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, unsigned int best_rate) { - struct snd_interval *it; + const struct snd_interval *it; struct snd_pcm_hw_params *save; unsigned int rate, prev; @@ -807,7 +795,7 @@ static int choose_rate(struct snd_pcm_substream *substream, if (save == NULL) return -ENOMEM; *save = *params; - it = hw_param_interval(save, SNDRV_PCM_HW_PARAM_RATE); + it = hw_param_interval_c(save, SNDRV_PCM_HW_PARAM_RATE); /* try multiples of the best rate */ rate = best_rate; @@ -848,7 +836,7 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream, int direct; snd_pcm_format_t format, sformat; int n; - struct snd_mask sformat_mask; + const struct snd_mask *sformat_mask; struct snd_mask mask; if (trylock) { @@ -891,18 +879,18 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream, format = snd_pcm_oss_format_from(runtime->oss.format); - sformat_mask = *hw_param_mask(sparams, SNDRV_PCM_HW_PARAM_FORMAT); + sformat_mask = hw_param_mask_c(sparams, SNDRV_PCM_HW_PARAM_FORMAT); if (direct) sformat = format; else - sformat = snd_pcm_plug_slave_format(format, &sformat_mask); + sformat = snd_pcm_plug_slave_format(format, sformat_mask); if ((__force int)sformat < 0 || - !snd_mask_test(&sformat_mask, (__force int)sformat)) { + !snd_mask_test(sformat_mask, (__force int)sformat)) { for (sformat = (__force snd_pcm_format_t)0; (__force int)sformat <= (__force int)SNDRV_PCM_FORMAT_LAST; sformat = (__force snd_pcm_format_t)((__force int)sformat + 1)) { - if (snd_mask_test(&sformat_mask, (__force int)sformat) && + if (snd_mask_test(sformat_mask, (__force int)sformat) && snd_pcm_oss_format_to(sformat) >= 0) break; } @@ -1191,14 +1179,8 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const if (ret < 0) break; } - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); - ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames); - snd_leave_user(fs); - } else { - ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames); - } + ret = __snd_pcm_lib_xfer(substream, (void *)ptr, true, + frames, in_kernel); if (ret != -EPIPE && ret != -ESTRPIPE) break; /* test, if we can't store new data, because the stream */ @@ -1234,14 +1216,8 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p ret = snd_pcm_oss_capture_position_fixup(substream, &delay); if (ret < 0) break; - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); - ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames); - snd_leave_user(fs); - } else { - ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames); - } + ret = __snd_pcm_lib_xfer(substream, (void *)ptr, true, + frames, in_kernel); if (ret == -EPIPE) { if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) { ret = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); @@ -1256,7 +1232,8 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p return ret; } -snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel) +#ifdef CONFIG_SND_PCM_OSS_PLUGINS +snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_uframes_t frames) { struct snd_pcm_runtime *runtime = substream->runtime; int ret; @@ -1273,14 +1250,7 @@ snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void if (ret < 0) break; } - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); - ret = snd_pcm_lib_writev(substream, (void __user **)bufs, frames); - snd_leave_user(fs); - } else { - ret = snd_pcm_lib_writev(substream, (void __user **)bufs, frames); - } + ret = snd_pcm_kernel_writev(substream, bufs, frames); if (ret != -EPIPE && ret != -ESTRPIPE) break; @@ -1292,7 +1262,7 @@ snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void return ret; } -snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_uframes_t frames, int in_kernel) +snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, void **bufs, snd_pcm_uframes_t frames) { struct snd_pcm_runtime *runtime = substream->runtime; int ret; @@ -1313,19 +1283,13 @@ snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, void * if (ret < 0) break; } - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); - ret = snd_pcm_lib_readv(substream, (void __user **)bufs, frames); - snd_leave_user(fs); - } else { - ret = snd_pcm_lib_readv(substream, (void __user **)bufs, frames); - } + ret = snd_pcm_kernel_readv(substream, bufs, frames); if (ret != -EPIPE && ret != -ESTRPIPE) break; } return ret; } +#endif /* CONFIG_SND_PCM_OSS_PLUGINS */ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const char *buf, size_t bytes, int in_kernel) { @@ -1650,27 +1614,10 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file) size = runtime->control->appl_ptr % runtime->period_size; if (size > 0) { size = runtime->period_size - size; - if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { - size = (runtime->frame_bits * size) / 8; - while (size > 0) { - mm_segment_t fs; - size_t size1 = size < runtime->oss.period_bytes ? size : runtime->oss.period_bytes; - size -= size1; - size1 *= 8; - size1 /= runtime->sample_bits; - snd_pcm_format_set_silence(runtime->format, - runtime->oss.buffer, - size1); - size1 /= runtime->channels; /* frames */ - fs = snd_enter_user(); - snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1); - snd_leave_user(fs); - } - } else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) { - void __user *buffers[runtime->channels]; - memset(buffers, 0, runtime->channels * sizeof(void *)); - snd_pcm_lib_writev(substream, buffers, size); - } + if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) + snd_pcm_lib_write(substream, NULL, size); + else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) + snd_pcm_lib_writev(substream, NULL, size); } mutex_unlock(&runtime->oss.params_lock); /* @@ -1780,7 +1727,7 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file) int direct; struct snd_pcm_hw_params *params; unsigned int formats = 0; - struct snd_mask format_mask; + const struct snd_mask *format_mask; int fmt; if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0) @@ -1802,12 +1749,12 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file) return -ENOMEM; _snd_pcm_hw_params_any(params); err = snd_pcm_hw_refine(substream, params); - format_mask = *hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + format_mask = hw_param_mask_c(params, SNDRV_PCM_HW_PARAM_FORMAT); kfree(params); if (err < 0) return err; for (fmt = 0; fmt < 32; ++fmt) { - if (snd_mask_test(&format_mask, fmt)) { + if (snd_mask_test(format_mask, fmt)) { int f = snd_pcm_oss_format_to(fmt); if (f >= 0) formats |= f; diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c index 727ac44..cadc937 100644 --- a/sound/core/oss/pcm_plugin.c +++ b/sound/core/oss/pcm_plugin.c @@ -266,7 +266,8 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc return frames; } -static int snd_pcm_plug_formats(struct snd_mask *mask, snd_pcm_format_t format) +static int snd_pcm_plug_formats(const struct snd_mask *mask, + snd_pcm_format_t format) { struct snd_mask formats = *mask; u64 linfmts = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 | @@ -309,7 +310,7 @@ static snd_pcm_format_t preferred_formats[] = { }; snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format, - struct snd_mask *format_mask) + const struct snd_mask *format_mask) { int i; diff --git a/sound/core/oss/pcm_plugin.h b/sound/core/oss/pcm_plugin.h index a5035c2..c9cd29d 100644 --- a/sound/core/oss/pcm_plugin.h +++ b/sound/core/oss/pcm_plugin.h @@ -126,7 +126,7 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *slave_params); snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format, - struct snd_mask *format_mask); + const struct snd_mask *format_mask); int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin); @@ -162,17 +162,15 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *ptr, snd_pcm_uframes_t size, int in_kernel); snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, - void **bufs, snd_pcm_uframes_t frames, - int in_kernel); + void **bufs, snd_pcm_uframes_t frames); snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, - void **bufs, snd_pcm_uframes_t frames, - int in_kernel); + void **bufs, snd_pcm_uframes_t frames); #else static inline snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t drv_size) { return drv_size; } static inline snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t clt_size) { return clt_size; } -static inline int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask) { return format; } +static inline int snd_pcm_plug_slave_format(int format, const struct snd_mask *format_mask) { return format; } #endif diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 8e980aa..4b32904 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -31,13 +31,17 @@ #include <sound/control.h> #include <sound/info.h> +#include "pcm_local.h" + MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Abramo Bagnara <abramo@alsa-project.org>"); MODULE_DESCRIPTION("Midlevel PCM code for ALSA."); MODULE_LICENSE("GPL"); static LIST_HEAD(snd_pcm_devices); -static LIST_HEAD(snd_pcm_notify_list); static DEFINE_MUTEX(register_mutex); +#if IS_ENABLED(CONFIG_SND_PCM_OSS) +static LIST_HEAD(snd_pcm_notify_list); +#endif static int snd_pcm_free(struct snd_pcm *pcm); static int snd_pcm_dev_free(struct snd_device *device); @@ -884,16 +888,23 @@ static void snd_pcm_free_stream(struct snd_pcm_str * pstr) put_device(&pstr->dev); } +#if IS_ENABLED(CONFIG_SND_PCM_OSS) +#define pcm_call_notify(pcm, call) \ + do { \ + struct snd_pcm_notify *_notify; \ + list_for_each_entry(_notify, &snd_pcm_notify_list, list) \ + _notify->call(pcm); \ + } while (0) +#else +#define pcm_call_notify(pcm, call) do {} while (0) +#endif + static int snd_pcm_free(struct snd_pcm *pcm) { - struct snd_pcm_notify *notify; - if (!pcm) return 0; - if (!pcm->internal) { - list_for_each_entry(notify, &snd_pcm_notify_list, list) - notify->n_unregister(pcm); - } + if (!pcm->internal) + pcm_call_notify(pcm, n_unregister); if (pcm->private_free) pcm->private_free(pcm); snd_pcm_lib_preallocate_free_for_all(pcm); @@ -1069,7 +1080,6 @@ static int snd_pcm_dev_register(struct snd_device *device) { int cidx, err; struct snd_pcm_substream *substream; - struct snd_pcm_notify *notify; struct snd_pcm *pcm; if (snd_BUG_ON(!device || !device->device_data)) @@ -1107,8 +1117,7 @@ static int snd_pcm_dev_register(struct snd_device *device) snd_pcm_timer_init(substream); } - list_for_each_entry(notify, &snd_pcm_notify_list, list) - notify->n_register(pcm); + pcm_call_notify(pcm, n_register); unlock: mutex_unlock(®ister_mutex); @@ -1118,7 +1127,6 @@ static int snd_pcm_dev_register(struct snd_device *device) static int snd_pcm_dev_disconnect(struct snd_device *device) { struct snd_pcm *pcm = device->device_data; - struct snd_pcm_notify *notify; struct snd_pcm_substream *substream; int cidx; @@ -1138,8 +1146,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) } } if (!pcm->internal) { - list_for_each_entry(notify, &snd_pcm_notify_list, list) - notify->n_disconnect(pcm); + pcm_call_notify(pcm, n_disconnect); } for (cidx = 0; cidx < 2; cidx++) { if (!pcm->internal) @@ -1151,6 +1158,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) return 0; } +#if IS_ENABLED(CONFIG_SND_PCM_OSS) /** * snd_pcm_notify - Add/remove the notify list * @notify: PCM notify list @@ -1183,6 +1191,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree) return 0; } EXPORT_SYMBOL(snd_pcm_notify); +#endif /* CONFIG_SND_PCM_OSS */ #ifdef CONFIG_SND_PROC_FS /* diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c index 1f64ab0..8a0f8d5 100644 --- a/sound/core/pcm_compat.c +++ b/sound/core/pcm_compat.c @@ -27,17 +27,13 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, s32 __user *src) { snd_pcm_sframes_t delay; - mm_segment_t fs; - int err; - fs = snd_enter_user(); - err = snd_pcm_delay(substream, &delay); - snd_leave_user(fs); - if (err < 0) - return err; + delay = snd_pcm_delay(substream); + if (delay < 0) + return delay; if (put_user(delay, src)) return -EFAULT; - return err; + return 0; } static int snd_pcm_ioctl_rewind_compat(struct snd_pcm_substream *substream, diff --git a/sound/core/pcm_drm_eld.c b/sound/core/pcm_drm_eld.c index e70379f..9881d08 100644 --- a/sound/core/pcm_drm_eld.c +++ b/sound/core/pcm_drm_eld.c @@ -29,13 +29,13 @@ static int eld_limit_rates(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *r = hw_param_interval(params, rule->var); - struct snd_interval *c; + const struct snd_interval *c; unsigned int rate_mask = 7, i; const u8 *sad, *eld = rule->private; sad = drm_eld_sad(eld); if (sad) { - c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + c = hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_CHANNELS); for (i = drm_eld_sad_count(eld); i > 0; i--, sad += 3) { unsigned max_channels = sad_max_channels(sad); @@ -57,7 +57,7 @@ static int eld_limit_channels(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *c = hw_param_interval(params, rule->var); - struct snd_interval *r; + const struct snd_interval *r; struct snd_interval t = { .min = 1, .max = 2, .integer = 1, }; unsigned int i; const u8 *sad, *eld = rule->private; @@ -67,7 +67,7 @@ static int eld_limit_channels(struct snd_pcm_hw_params *params, unsigned int rate_mask = 0; /* Convert the rate interval to a mask */ - r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + r = hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_RATE); for (i = 0; i < ARRAY_SIZE(eld_rates); i++) if (r->min <= eld_rates[i] && r->max >= eld_rates[i]) rate_mask |= BIT(i); diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 5088d4b..95b8ef1 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -33,6 +33,8 @@ #include <sound/pcm_params.h> #include <sound/timer.h> +#include "pcm_local.h" + #ifdef CONFIG_SND_PCM_XRUN_DEBUG #define CREATE_TRACE_POINTS #include "pcm_trace.h" @@ -42,6 +44,9 @@ #define trace_hw_ptr_error(substream, reason) #endif +static int fill_silence_frames(struct snd_pcm_substream *substream, + snd_pcm_uframes_t off, snd_pcm_uframes_t frames); + /* * fill ring buffer with silence * runtime->silence_start: starting pointer to silence area @@ -55,6 +60,7 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram { struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_uframes_t frames, ofs, transfer; + int err; if (runtime->silence_size < runtime->boundary) { snd_pcm_sframes_t noise_dist, n; @@ -107,33 +113,8 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram ofs = runtime->silence_start % runtime->buffer_size; while (frames > 0) { transfer = ofs + frames > runtime->buffer_size ? runtime->buffer_size - ofs : frames; - if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || - runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED) { - if (substream->ops->silence) { - int err; - err = substream->ops->silence(substream, -1, ofs, transfer); - snd_BUG_ON(err < 0); - } else { - char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, ofs); - snd_pcm_format_set_silence(runtime->format, hwbuf, transfer * runtime->channels); - } - } else { - unsigned int c; - unsigned int channels = runtime->channels; - if (substream->ops->silence) { - for (c = 0; c < channels; ++c) { - int err; - err = substream->ops->silence(substream, c, ofs, transfer); - snd_BUG_ON(err < 0); - } - } else { - size_t dma_csize = runtime->dma_bytes / channels; - for (c = 0; c < channels; ++c) { - char *hwbuf = runtime->dma_area + (c * dma_csize) + samples_to_bytes(runtime, ofs); - snd_pcm_format_set_silence(runtime->format, hwbuf, transfer); - } - } - } + err = fill_silence_frames(substream, ofs, transfer); + snd_BUG_ON(err < 0); runtime->silence_filled += transfer; frames -= transfer; ofs = 0; @@ -1415,7 +1396,8 @@ static int snd_pcm_hw_rule_msbits(struct snd_pcm_hw_params *params, unsigned int l = (unsigned long) rule->private; int width = l & 0xffff; unsigned int msbits = l >> 16; - struct snd_interval *i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS); + const struct snd_interval *i = + hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS); if (!snd_interval_single(i)) return 0; @@ -1733,7 +1715,7 @@ EXPORT_SYMBOL(snd_pcm_hw_param_last); int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params) { - static int vars[] = { + static const int vars[] = { SNDRV_PCM_HW_PARAM_ACCESS, SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_SUBFORMAT, @@ -1744,7 +1726,8 @@ int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, SNDRV_PCM_HW_PARAM_TICK_TIME, -1 }; - int err, *v; + const int *v; + int err; for (v = vars; *v != -1; v++) { if (*v != SNDRV_PCM_HW_PARAM_BUFFER_SIZE) @@ -1985,296 +1968,260 @@ static int wait_for_avail(struct snd_pcm_substream *substream, return err; } -static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream, - unsigned int hwoff, - unsigned long data, unsigned int off, - snd_pcm_uframes_t frames) +typedef int (*pcm_transfer_f)(struct snd_pcm_substream *substream, + int channel, unsigned long hwoff, + void *buf, unsigned long bytes); + +typedef int (*pcm_copy_f)(struct snd_pcm_substream *, snd_pcm_uframes_t, void *, + snd_pcm_uframes_t, snd_pcm_uframes_t, pcm_transfer_f); + +/* calculate the target DMA-buffer position to be written/read */ +static void *get_dma_ptr(struct snd_pcm_runtime *runtime, + int channel, unsigned long hwoff) { - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - char __user *buf = (char __user *) data + frames_to_bytes(runtime, off); - if (substream->ops->copy) { - if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0) - return err; - } else { - char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff); - if (copy_from_user(hwbuf, buf, frames_to_bytes(runtime, frames))) - return -EFAULT; - } + return runtime->dma_area + hwoff + + channel * (runtime->dma_bytes / runtime->channels); +} + +/* default copy_user ops for write; used for both interleaved and non- modes */ +static int default_write_copy(struct snd_pcm_substream *substream, + int channel, unsigned long hwoff, + void *buf, unsigned long bytes) +{ + if (copy_from_user(get_dma_ptr(substream->runtime, channel, hwoff), + (void __user *)buf, bytes)) + return -EFAULT; + return 0; +} + +/* default copy_kernel ops for write */ +static int default_write_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long hwoff, + void *buf, unsigned long bytes) +{ + memcpy(get_dma_ptr(substream->runtime, channel, hwoff), buf, bytes); return 0; } - -typedef int (*transfer_f)(struct snd_pcm_substream *substream, unsigned int hwoff, - unsigned long data, unsigned int off, - snd_pcm_uframes_t size); -static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, - unsigned long data, - snd_pcm_uframes_t size, - int nonblock, - transfer_f transfer) +/* fill silence instead of copy data; called as a transfer helper + * from __snd_pcm_lib_write() or directly from noninterleaved_copy() when + * a NULL buffer is passed + */ +static int fill_silence(struct snd_pcm_substream *substream, int channel, + unsigned long hwoff, void *buf, unsigned long bytes) { struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_uframes_t xfer = 0; - snd_pcm_uframes_t offset = 0; - snd_pcm_uframes_t avail; - int err = 0; - if (size == 0) + if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) return 0; + if (substream->ops->fill_silence) + return substream->ops->fill_silence(substream, channel, + hwoff, bytes); - snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_PREPARED: - case SNDRV_PCM_STATE_RUNNING: - case SNDRV_PCM_STATE_PAUSED: - break; - case SNDRV_PCM_STATE_XRUN: - err = -EPIPE; - goto _end_unlock; - case SNDRV_PCM_STATE_SUSPENDED: - err = -ESTRPIPE; - goto _end_unlock; - default: - err = -EBADFD; - goto _end_unlock; - } - - runtime->twake = runtime->control->avail_min ? : 1; - if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) - snd_pcm_update_hw_ptr(substream); - avail = snd_pcm_playback_avail(runtime); - while (size > 0) { - snd_pcm_uframes_t frames, appl_ptr, appl_ofs; - snd_pcm_uframes_t cont; - if (!avail) { - if (nonblock) { - err = -EAGAIN; - goto _end_unlock; - } - runtime->twake = min_t(snd_pcm_uframes_t, size, - runtime->control->avail_min ? : 1); - err = wait_for_avail(substream, &avail); - if (err < 0) - goto _end_unlock; - } - frames = size > avail ? avail : size; - cont = runtime->buffer_size - runtime->control->appl_ptr % runtime->buffer_size; - if (frames > cont) - frames = cont; - if (snd_BUG_ON(!frames)) { - runtime->twake = 0; - snd_pcm_stream_unlock_irq(substream); - return -EINVAL; - } - appl_ptr = runtime->control->appl_ptr; - appl_ofs = appl_ptr % runtime->buffer_size; - snd_pcm_stream_unlock_irq(substream); - err = transfer(substream, appl_ofs, data, offset, frames); - snd_pcm_stream_lock_irq(substream); - if (err < 0) - goto _end_unlock; - switch (runtime->status->state) { - case SNDRV_PCM_STATE_XRUN: - err = -EPIPE; - goto _end_unlock; - case SNDRV_PCM_STATE_SUSPENDED: - err = -ESTRPIPE; - goto _end_unlock; - default: - break; - } - appl_ptr += frames; - if (appl_ptr >= runtime->boundary) - appl_ptr -= runtime->boundary; - runtime->control->appl_ptr = appl_ptr; - if (substream->ops->ack) - substream->ops->ack(substream); - - offset += frames; - size -= frames; - xfer += frames; - avail -= frames; - if (runtime->status->state == SNDRV_PCM_STATE_PREPARED && - snd_pcm_playback_hw_avail(runtime) >= (snd_pcm_sframes_t)runtime->start_threshold) { - err = snd_pcm_start(substream); - if (err < 0) - goto _end_unlock; - } - } - _end_unlock: - runtime->twake = 0; - if (xfer > 0 && err >= 0) - snd_pcm_update_state(substream, runtime); - snd_pcm_stream_unlock_irq(substream); - return xfer > 0 ? (snd_pcm_sframes_t)xfer : err; + snd_pcm_format_set_silence(runtime->format, + get_dma_ptr(runtime, channel, hwoff), + bytes_to_samples(runtime, bytes)); + return 0; } -/* sanity-check for read/write methods */ -static int pcm_sanity_check(struct snd_pcm_substream *substream) +/* default copy_user ops for read; used for both interleaved and non- modes */ +static int default_read_copy(struct snd_pcm_substream *substream, + int channel, unsigned long hwoff, + void *buf, unsigned long bytes) { - struct snd_pcm_runtime *runtime; - if (PCM_RUNTIME_CHECK(substream)) - return -ENXIO; - runtime = substream->runtime; - if (snd_BUG_ON(!substream->ops->copy && !runtime->dma_area)) - return -EINVAL; - if (runtime->status->state == SNDRV_PCM_STATE_OPEN) - return -EBADFD; + if (copy_to_user((void __user *)buf, + get_dma_ptr(substream->runtime, channel, hwoff), + bytes)) + return -EFAULT; return 0; } -snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t size) +/* default copy_kernel ops for read */ +static int default_read_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long hwoff, + void *buf, unsigned long bytes) { - struct snd_pcm_runtime *runtime; - int nonblock; - int err; + memcpy(buf, get_dma_ptr(substream->runtime, channel, hwoff), bytes); + return 0; +} - err = pcm_sanity_check(substream); - if (err < 0) - return err; - runtime = substream->runtime; - nonblock = !!(substream->f_flags & O_NONBLOCK); +/* call transfer function with the converted pointers and sizes; + * for interleaved mode, it's one shot for all samples + */ +static int interleaved_copy(struct snd_pcm_substream *substream, + snd_pcm_uframes_t hwoff, void *data, + snd_pcm_uframes_t off, + snd_pcm_uframes_t frames, + pcm_transfer_f transfer) +{ + struct snd_pcm_runtime *runtime = substream->runtime; - if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED && - runtime->channels > 1) - return -EINVAL; - return snd_pcm_lib_write1(substream, (unsigned long)buf, size, nonblock, - snd_pcm_lib_write_transfer); + /* convert to bytes */ + hwoff = frames_to_bytes(runtime, hwoff); + off = frames_to_bytes(runtime, off); + frames = frames_to_bytes(runtime, frames); + return transfer(substream, 0, hwoff, data + off, frames); } -EXPORT_SYMBOL(snd_pcm_lib_write); - -static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream, - unsigned int hwoff, - unsigned long data, unsigned int off, - snd_pcm_uframes_t frames) +/* call transfer function with the converted pointers and sizes for each + * non-interleaved channel; when buffer is NULL, silencing instead of copying + */ +static int noninterleaved_copy(struct snd_pcm_substream *substream, + snd_pcm_uframes_t hwoff, void *data, + snd_pcm_uframes_t off, + snd_pcm_uframes_t frames, + pcm_transfer_f transfer) { struct snd_pcm_runtime *runtime = substream->runtime; - int err; - void __user **bufs = (void __user **)data; int channels = runtime->channels; - int c; - if (substream->ops->copy) { - if (snd_BUG_ON(!substream->ops->silence)) - return -EINVAL; - for (c = 0; c < channels; ++c, ++bufs) { - if (*bufs == NULL) { - if ((err = substream->ops->silence(substream, c, hwoff, frames)) < 0) - return err; - } else { - char __user *buf = *bufs + samples_to_bytes(runtime, off); - if ((err = substream->ops->copy(substream, c, hwoff, buf, frames)) < 0) - return err; - } - } - } else { - /* default transfer behaviour */ - size_t dma_csize = runtime->dma_bytes / channels; - for (c = 0; c < channels; ++c, ++bufs) { - char *hwbuf = runtime->dma_area + (c * dma_csize) + samples_to_bytes(runtime, hwoff); - if (*bufs == NULL) { - snd_pcm_format_set_silence(runtime->format, hwbuf, frames); - } else { - char __user *buf = *bufs + samples_to_bytes(runtime, off); - if (copy_from_user(hwbuf, buf, samples_to_bytes(runtime, frames))) - return -EFAULT; - } - } + void **bufs = data; + int c, err; + + /* convert to bytes; note that it's not frames_to_bytes() here. + * in non-interleaved mode, we copy for each channel, thus + * each copy is n_samples bytes x channels = whole frames. + */ + off = samples_to_bytes(runtime, off); + frames = samples_to_bytes(runtime, frames); + hwoff = samples_to_bytes(runtime, hwoff); + for (c = 0; c < channels; ++c, ++bufs) { + if (!data || !*bufs) + err = fill_silence(substream, c, hwoff, NULL, frames); + else + err = transfer(substream, c, hwoff, *bufs + off, + frames); + if (err < 0) + return err; } return 0; } - -snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream, - void __user **bufs, - snd_pcm_uframes_t frames) + +/* fill silence on the given buffer position; + * called from snd_pcm_playback_silence() + */ +static int fill_silence_frames(struct snd_pcm_substream *substream, + snd_pcm_uframes_t off, snd_pcm_uframes_t frames) { - struct snd_pcm_runtime *runtime; - int nonblock; - int err; + if (substream->runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || + substream->runtime->access == SNDRV_PCM_ACCESS_MMAP_INTERLEAVED) + return interleaved_copy(substream, off, NULL, 0, frames, + fill_silence); + else + return noninterleaved_copy(substream, off, NULL, 0, frames, + fill_silence); +} - err = pcm_sanity_check(substream); - if (err < 0) - return err; +/* sanity-check for read/write methods */ +static int pcm_sanity_check(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime; + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - nonblock = !!(substream->f_flags & O_NONBLOCK); - - if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) + if (snd_BUG_ON(!substream->ops->copy_user && !runtime->dma_area)) return -EINVAL; - return snd_pcm_lib_write1(substream, (unsigned long)bufs, frames, - nonblock, snd_pcm_lib_writev_transfer); + if (runtime->status->state == SNDRV_PCM_STATE_OPEN) + return -EBADFD; + return 0; } -EXPORT_SYMBOL(snd_pcm_lib_writev); - -static int snd_pcm_lib_read_transfer(struct snd_pcm_substream *substream, - unsigned int hwoff, - unsigned long data, unsigned int off, - snd_pcm_uframes_t frames) +static int pcm_accessible_state(struct snd_pcm_runtime *runtime) { - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - char __user *buf = (char __user *) data + frames_to_bytes(runtime, off); - if (substream->ops->copy) { - if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0) - return err; - } else { - char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff); - if (copy_to_user(buf, hwbuf, frames_to_bytes(runtime, frames))) - return -EFAULT; + switch (runtime->status->state) { + case SNDRV_PCM_STATE_PREPARED: + case SNDRV_PCM_STATE_RUNNING: + case SNDRV_PCM_STATE_PAUSED: + return 0; + case SNDRV_PCM_STATE_XRUN: + return -EPIPE; + case SNDRV_PCM_STATE_SUSPENDED: + return -ESTRPIPE; + default: + return -EBADFD; } - return 0; } -static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, - unsigned long data, - snd_pcm_uframes_t size, - int nonblock, - transfer_f transfer) +/* the common loop for read/write data */ +snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream, + void *data, bool interleaved, + snd_pcm_uframes_t size, bool in_kernel) { struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_uframes_t xfer = 0; snd_pcm_uframes_t offset = 0; snd_pcm_uframes_t avail; - int err = 0; + pcm_copy_f writer; + pcm_transfer_f transfer; + bool nonblock; + bool is_playback; + int err; + + err = pcm_sanity_check(substream); + if (err < 0) + return err; + + is_playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + if (interleaved) { + if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED && + runtime->channels > 1) + return -EINVAL; + writer = interleaved_copy; + } else { + if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) + return -EINVAL; + writer = noninterleaved_copy; + } + + if (!data) { + if (is_playback) + transfer = fill_silence; + else + return -EINVAL; + } else if (in_kernel) { + if (substream->ops->copy_kernel) + transfer = substream->ops->copy_kernel; + else + transfer = is_playback ? + default_write_copy_kernel : default_read_copy_kernel; + } else { + if (substream->ops->copy_user) + transfer = (pcm_transfer_f)substream->ops->copy_user; + else + transfer = is_playback ? + default_write_copy : default_read_copy; + } if (size == 0) return 0; + nonblock = !!(substream->f_flags & O_NONBLOCK); + snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_PREPARED: - if (size >= runtime->start_threshold) { - err = snd_pcm_start(substream); - if (err < 0) - goto _end_unlock; - } - break; - case SNDRV_PCM_STATE_DRAINING: - case SNDRV_PCM_STATE_RUNNING: - case SNDRV_PCM_STATE_PAUSED: - break; - case SNDRV_PCM_STATE_XRUN: - err = -EPIPE; - goto _end_unlock; - case SNDRV_PCM_STATE_SUSPENDED: - err = -ESTRPIPE; - goto _end_unlock; - default: - err = -EBADFD; + err = pcm_accessible_state(runtime); + if (err < 0) goto _end_unlock; + + if (!is_playback && + runtime->status->state == SNDRV_PCM_STATE_PREPARED && + size >= runtime->start_threshold) { + err = snd_pcm_start(substream); + if (err < 0) + goto _end_unlock; } runtime->twake = runtime->control->avail_min ? : 1; if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) snd_pcm_update_hw_ptr(substream); - avail = snd_pcm_capture_avail(runtime); + if (is_playback) + avail = snd_pcm_playback_avail(runtime); + else + avail = snd_pcm_capture_avail(runtime); while (size > 0) { snd_pcm_uframes_t frames, appl_ptr, appl_ofs; snd_pcm_uframes_t cont; if (!avail) { - if (runtime->status->state == - SNDRV_PCM_STATE_DRAINING) { + if (!is_playback && + runtime->status->state == SNDRV_PCM_STATE_DRAINING) { snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP); goto _end_unlock; } @@ -2302,20 +2249,14 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, appl_ptr = runtime->control->appl_ptr; appl_ofs = appl_ptr % runtime->buffer_size; snd_pcm_stream_unlock_irq(substream); - err = transfer(substream, appl_ofs, data, offset, frames); + err = writer(substream, appl_ofs, data, offset, frames, + transfer); snd_pcm_stream_lock_irq(substream); if (err < 0) goto _end_unlock; - switch (runtime->status->state) { - case SNDRV_PCM_STATE_XRUN: - err = -EPIPE; - goto _end_unlock; - case SNDRV_PCM_STATE_SUSPENDED: - err = -ESTRPIPE; + err = pcm_accessible_state(runtime); + if (err < 0) goto _end_unlock; - default: - break; - } appl_ptr += frames; if (appl_ptr >= runtime->boundary) appl_ptr -= runtime->boundary; @@ -2327,6 +2268,13 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, size -= frames; xfer += frames; avail -= frames; + if (is_playback && + runtime->status->state == SNDRV_PCM_STATE_PREPARED && + snd_pcm_playback_hw_avail(runtime) >= (snd_pcm_sframes_t)runtime->start_threshold) { + err = snd_pcm_start(substream); + if (err < 0) + goto _end_unlock; + } } _end_unlock: runtime->twake = 0; @@ -2335,83 +2283,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, snd_pcm_stream_unlock_irq(substream); return xfer > 0 ? (snd_pcm_sframes_t)xfer : err; } - -snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __user *buf, snd_pcm_uframes_t size) -{ - struct snd_pcm_runtime *runtime; - int nonblock; - int err; - - err = pcm_sanity_check(substream); - if (err < 0) - return err; - runtime = substream->runtime; - nonblock = !!(substream->f_flags & O_NONBLOCK); - if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED) - return -EINVAL; - return snd_pcm_lib_read1(substream, (unsigned long)buf, size, nonblock, snd_pcm_lib_read_transfer); -} - -EXPORT_SYMBOL(snd_pcm_lib_read); - -static int snd_pcm_lib_readv_transfer(struct snd_pcm_substream *substream, - unsigned int hwoff, - unsigned long data, unsigned int off, - snd_pcm_uframes_t frames) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - void __user **bufs = (void __user **)data; - int channels = runtime->channels; - int c; - if (substream->ops->copy) { - for (c = 0; c < channels; ++c, ++bufs) { - char __user *buf; - if (*bufs == NULL) - continue; - buf = *bufs + samples_to_bytes(runtime, off); - if ((err = substream->ops->copy(substream, c, hwoff, buf, frames)) < 0) - return err; - } - } else { - snd_pcm_uframes_t dma_csize = runtime->dma_bytes / channels; - for (c = 0; c < channels; ++c, ++bufs) { - char *hwbuf; - char __user *buf; - if (*bufs == NULL) - continue; - - hwbuf = runtime->dma_area + (c * dma_csize) + samples_to_bytes(runtime, hwoff); - buf = *bufs + samples_to_bytes(runtime, off); - if (copy_to_user(buf, hwbuf, samples_to_bytes(runtime, frames))) - return -EFAULT; - } - } - return 0; -} - -snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream, - void __user **bufs, - snd_pcm_uframes_t frames) -{ - struct snd_pcm_runtime *runtime; - int nonblock; - int err; - - err = pcm_sanity_check(substream); - if (err < 0) - return err; - runtime = substream->runtime; - if (runtime->status->state == SNDRV_PCM_STATE_OPEN) - return -EBADFD; - - nonblock = !!(substream->f_flags & O_NONBLOCK); - if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) - return -EINVAL; - return snd_pcm_lib_read1(substream, (unsigned long)bufs, frames, nonblock, snd_pcm_lib_readv_transfer); -} - -EXPORT_SYMBOL(snd_pcm_lib_readv); +EXPORT_SYMBOL(__snd_pcm_lib_xfer); /* * standard channel mapping helpers diff --git a/sound/core/pcm_local.h b/sound/core/pcm_local.h new file mode 100644 index 0000000..34c66de --- /dev/null +++ b/sound/core/pcm_local.h @@ -0,0 +1,51 @@ +/* + * pcm_local.h - a local header file for snd-pcm module. + * + * Copyright (c) Takashi Sakamoto <o-takashi@sakamocchi.jp> + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#ifndef __SOUND_CORE_PCM_LOCAL_H +#define __SOUND_CORE_PCM_LOCAL_H + +extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates; + +void snd_interval_mul(const struct snd_interval *a, + const struct snd_interval *b, struct snd_interval *c); +void snd_interval_div(const struct snd_interval *a, + const struct snd_interval *b, struct snd_interval *c); +void snd_interval_muldivk(const struct snd_interval *a, + const struct snd_interval *b, + unsigned int k, struct snd_interval *c); +void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k, + const struct snd_interval *b, struct snd_interval *c); + +int snd_pcm_hw_constraints_init(struct snd_pcm_substream *substream); +int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream); + +int snd_pcm_hw_params_choose(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); + +int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, + snd_pcm_hw_param_t var, u_int32_t mask); + +int snd_pcm_update_state(struct snd_pcm_substream *substream, + struct snd_pcm_runtime *runtime); +int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream); + +void snd_pcm_playback_silence(struct snd_pcm_substream *substream, + snd_pcm_uframes_t new_hw_ptr); + +#ifdef CONFIG_SND_PCM_TIMER +void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream); +void snd_pcm_timer_init(struct snd_pcm_substream *substream); +void snd_pcm_timer_done(struct snd_pcm_substream *substream); +#else +static inline void +snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) {} +static inline void snd_pcm_timer_init(struct snd_pcm_substream *substream) {} +static inline void snd_pcm_timer_done(struct snd_pcm_substream *substream) {} +#endif + +#endif /* __SOUND_CORE_PCM_LOCAL_H */ diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c index 53dc373..dd8383e 100644 --- a/sound/core/pcm_misc.c +++ b/sound/core/pcm_misc.c @@ -23,6 +23,9 @@ #include <linux/export.h> #include <sound/core.h> #include <sound/pcm.h> + +#include "pcm_local.h" + #define SND_PCM_FORMAT_UNKNOWN (-1) /* NOTE: "signed" prefix must be given below since the default char is diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 13dec5e..bf5d0f2 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -37,6 +37,8 @@ #include <sound/minors.h> #include <linux/uio.h> +#include "pcm_local.h" + /* * Compatibility */ @@ -181,20 +183,6 @@ void snd_pcm_stream_unlock_irqrestore(struct snd_pcm_substream *substream, } EXPORT_SYMBOL_GPL(snd_pcm_stream_unlock_irqrestore); -static inline mm_segment_t snd_enter_user(void) -{ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); - return fs; -} - -static inline void snd_leave_user(mm_segment_t fs) -{ - set_fs(fs); -} - - - int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info) { struct snd_pcm_runtime *runtime; @@ -1081,6 +1069,7 @@ static const struct action_ops snd_pcm_action_start = { * @substream: the PCM substream instance * * Return: Zero if successful, or a negative error code. + * The stream lock must be acquired before calling this function. */ int snd_pcm_start(struct snd_pcm_substream *substream) { @@ -1088,6 +1077,13 @@ int snd_pcm_start(struct snd_pcm_substream *substream) SNDRV_PCM_STATE_RUNNING); } +/* take the stream lock and start the streams */ +static int snd_pcm_start_lock_irq(struct snd_pcm_substream *substream) +{ + return snd_pcm_action_lock_irq(&snd_pcm_action_start, substream, + SNDRV_PCM_STATE_RUNNING); +} + /* * stop callbacks */ @@ -1940,7 +1936,8 @@ static int snd_pcm_hw_rule_format(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { unsigned int k; - struct snd_interval *i = hw_param_interval(params, rule->deps[0]); + const struct snd_interval *i = + hw_param_interval_c(params, rule->deps[0]); struct snd_mask m; struct snd_mask *mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); snd_mask_any(&m); @@ -1986,8 +1983,10 @@ static int snd_pcm_hw_rule_sample_bits(struct snd_pcm_hw_params *params, #error "Change this table" #endif -static unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050, 32000, 44100, - 48000, 64000, 88200, 96000, 176400, 192000 }; +static const unsigned int rates[] = { + 5512, 8000, 11025, 16000, 22050, 32000, 44100, + 48000, 64000, 88200, 96000, 176400, 192000 +}; const struct snd_pcm_hw_constraint_list snd_pcm_known_rates = { .count = ARRAY_SIZE(rates), @@ -2428,50 +2427,105 @@ static int snd_pcm_release(struct inode *inode, struct file *file) return 0; } -static snd_pcm_sframes_t snd_pcm_playback_rewind(struct snd_pcm_substream *substream, - snd_pcm_uframes_t frames) +/* check and update PCM state; return 0 or a negative error + * call this inside PCM lock + */ +static int do_pcm_hwsync(struct snd_pcm_substream *substream) { - struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_sframes_t appl_ptr; - snd_pcm_sframes_t ret; - snd_pcm_sframes_t hw_avail; - - if (frames == 0) - return 0; - - snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_PREPARED: - break; + switch (substream->runtime->status->state) { case SNDRV_PCM_STATE_DRAINING: - case SNDRV_PCM_STATE_RUNNING: - if (snd_pcm_update_hw_ptr(substream) >= 0) - break; + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + return -EBADFD; /* Fall through */ - case SNDRV_PCM_STATE_XRUN: - ret = -EPIPE; - goto __end; + case SNDRV_PCM_STATE_RUNNING: + return snd_pcm_update_hw_ptr(substream); + case SNDRV_PCM_STATE_PREPARED: + case SNDRV_PCM_STATE_PAUSED: + return 0; case SNDRV_PCM_STATE_SUSPENDED: - ret = -ESTRPIPE; - goto __end; + return -ESTRPIPE; + case SNDRV_PCM_STATE_XRUN: + return -EPIPE; default: - ret = -EBADFD; - goto __end; + return -EBADFD; } +} - hw_avail = snd_pcm_playback_hw_avail(runtime); - if (hw_avail <= 0) { - ret = 0; - goto __end; +/* update to the given appl_ptr and call ack callback if needed; + * when an error is returned, take back to the original value + */ +static int apply_appl_ptr(struct snd_pcm_substream *substream, + snd_pcm_uframes_t appl_ptr) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_uframes_t old_appl_ptr = runtime->control->appl_ptr; + int ret; + + runtime->control->appl_ptr = appl_ptr; + if (substream->ops->ack) { + ret = substream->ops->ack(substream); + if (ret < 0) { + runtime->control->appl_ptr = old_appl_ptr; + return ret; + } } - if (frames > (snd_pcm_uframes_t)hw_avail) - frames = hw_avail; + return 0; +} + +/* increase the appl_ptr; returns the processed frames or a negative error */ +static snd_pcm_sframes_t forward_appl_ptr(struct snd_pcm_substream *substream, + snd_pcm_uframes_t frames, + snd_pcm_sframes_t avail) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_sframes_t appl_ptr; + int ret; + + if (avail <= 0) + return 0; + if (frames > (snd_pcm_uframes_t)avail) + frames = avail; + appl_ptr = runtime->control->appl_ptr + frames; + if (appl_ptr >= (snd_pcm_sframes_t)runtime->boundary) + appl_ptr -= runtime->boundary; + ret = apply_appl_ptr(substream, appl_ptr); + return ret < 0 ? ret : frames; +} + +/* decrease the appl_ptr; returns the processed frames or a negative error */ +static snd_pcm_sframes_t rewind_appl_ptr(struct snd_pcm_substream *substream, + snd_pcm_uframes_t frames, + snd_pcm_sframes_t avail) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_sframes_t appl_ptr; + int ret; + + if (avail <= 0) + return 0; + if (frames > (snd_pcm_uframes_t)avail) + frames = avail; appl_ptr = runtime->control->appl_ptr - frames; if (appl_ptr < 0) appl_ptr += runtime->boundary; - runtime->control->appl_ptr = appl_ptr; - ret = frames; - __end: + ret = apply_appl_ptr(substream, appl_ptr); + return ret < 0 ? ret : frames; +} + +static snd_pcm_sframes_t snd_pcm_playback_rewind(struct snd_pcm_substream *substream, + snd_pcm_uframes_t frames) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_sframes_t ret; + + if (frames == 0) + return 0; + + snd_pcm_stream_lock_irq(substream); + ret = do_pcm_hwsync(substream); + if (!ret) + ret = rewind_appl_ptr(substream, frames, + snd_pcm_playback_hw_avail(runtime)); snd_pcm_stream_unlock_irq(substream); return ret; } @@ -2480,46 +2534,16 @@ static snd_pcm_sframes_t snd_pcm_capture_rewind(struct snd_pcm_substream *substr snd_pcm_uframes_t frames) { struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_sframes_t appl_ptr; snd_pcm_sframes_t ret; - snd_pcm_sframes_t hw_avail; if (frames == 0) return 0; snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_PREPARED: - case SNDRV_PCM_STATE_DRAINING: - break; - case SNDRV_PCM_STATE_RUNNING: - if (snd_pcm_update_hw_ptr(substream) >= 0) - break; - /* Fall through */ - case SNDRV_PCM_STATE_XRUN: - ret = -EPIPE; - goto __end; - case SNDRV_PCM_STATE_SUSPENDED: - ret = -ESTRPIPE; - goto __end; - default: - ret = -EBADFD; - goto __end; - } - - hw_avail = snd_pcm_capture_hw_avail(runtime); - if (hw_avail <= 0) { - ret = 0; - goto __end; - } - if (frames > (snd_pcm_uframes_t)hw_avail) - frames = hw_avail; - appl_ptr = runtime->control->appl_ptr - frames; - if (appl_ptr < 0) - appl_ptr += runtime->boundary; - runtime->control->appl_ptr = appl_ptr; - ret = frames; - __end: + ret = do_pcm_hwsync(substream); + if (!ret) + ret = rewind_appl_ptr(substream, frames, + snd_pcm_capture_hw_avail(runtime)); snd_pcm_stream_unlock_irq(substream); return ret; } @@ -2528,47 +2552,16 @@ static snd_pcm_sframes_t snd_pcm_playback_forward(struct snd_pcm_substream *subs snd_pcm_uframes_t frames) { struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_sframes_t appl_ptr; snd_pcm_sframes_t ret; - snd_pcm_sframes_t avail; if (frames == 0) return 0; snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_PREPARED: - case SNDRV_PCM_STATE_PAUSED: - break; - case SNDRV_PCM_STATE_DRAINING: - case SNDRV_PCM_STATE_RUNNING: - if (snd_pcm_update_hw_ptr(substream) >= 0) - break; - /* Fall through */ - case SNDRV_PCM_STATE_XRUN: - ret = -EPIPE; - goto __end; - case SNDRV_PCM_STATE_SUSPENDED: - ret = -ESTRPIPE; - goto __end; - default: - ret = -EBADFD; - goto __end; - } - - avail = snd_pcm_playback_avail(runtime); - if (avail <= 0) { - ret = 0; - goto __end; - } - if (frames > (snd_pcm_uframes_t)avail) - frames = avail; - appl_ptr = runtime->control->appl_ptr + frames; - if (appl_ptr >= (snd_pcm_sframes_t)runtime->boundary) - appl_ptr -= runtime->boundary; - runtime->control->appl_ptr = appl_ptr; - ret = frames; - __end: + ret = do_pcm_hwsync(substream); + if (!ret) + ret = forward_appl_ptr(substream, frames, + snd_pcm_playback_avail(runtime)); snd_pcm_stream_unlock_irq(substream); return ret; } @@ -2577,123 +2570,47 @@ static snd_pcm_sframes_t snd_pcm_capture_forward(struct snd_pcm_substream *subst snd_pcm_uframes_t frames) { struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_sframes_t appl_ptr; snd_pcm_sframes_t ret; - snd_pcm_sframes_t avail; if (frames == 0) return 0; snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_PREPARED: - case SNDRV_PCM_STATE_DRAINING: - case SNDRV_PCM_STATE_PAUSED: - break; - case SNDRV_PCM_STATE_RUNNING: - if (snd_pcm_update_hw_ptr(substream) >= 0) - break; - /* Fall through */ - case SNDRV_PCM_STATE_XRUN: - ret = -EPIPE; - goto __end; - case SNDRV_PCM_STATE_SUSPENDED: - ret = -ESTRPIPE; - goto __end; - default: - ret = -EBADFD; - goto __end; - } - - avail = snd_pcm_capture_avail(runtime); - if (avail <= 0) { - ret = 0; - goto __end; - } - if (frames > (snd_pcm_uframes_t)avail) - frames = avail; - appl_ptr = runtime->control->appl_ptr + frames; - if (appl_ptr >= (snd_pcm_sframes_t)runtime->boundary) - appl_ptr -= runtime->boundary; - runtime->control->appl_ptr = appl_ptr; - ret = frames; - __end: + ret = do_pcm_hwsync(substream); + if (!ret) + ret = forward_appl_ptr(substream, frames, + snd_pcm_capture_avail(runtime)); snd_pcm_stream_unlock_irq(substream); return ret; } static int snd_pcm_hwsync(struct snd_pcm_substream *substream) { - struct snd_pcm_runtime *runtime = substream->runtime; int err; snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_DRAINING: - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - goto __badfd; - /* Fall through */ - case SNDRV_PCM_STATE_RUNNING: - if ((err = snd_pcm_update_hw_ptr(substream)) < 0) - break; - /* Fall through */ - case SNDRV_PCM_STATE_PREPARED: - err = 0; - break; - case SNDRV_PCM_STATE_SUSPENDED: - err = -ESTRPIPE; - break; - case SNDRV_PCM_STATE_XRUN: - err = -EPIPE; - break; - default: - __badfd: - err = -EBADFD; - break; - } + err = do_pcm_hwsync(substream); snd_pcm_stream_unlock_irq(substream); return err; } -static int snd_pcm_delay(struct snd_pcm_substream *substream, - snd_pcm_sframes_t __user *res) +static snd_pcm_sframes_t snd_pcm_delay(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; int err; snd_pcm_sframes_t n = 0; snd_pcm_stream_lock_irq(substream); - switch (runtime->status->state) { - case SNDRV_PCM_STATE_DRAINING: - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - goto __badfd; - /* Fall through */ - case SNDRV_PCM_STATE_RUNNING: - if ((err = snd_pcm_update_hw_ptr(substream)) < 0) - break; - /* Fall through */ - case SNDRV_PCM_STATE_PREPARED: - case SNDRV_PCM_STATE_SUSPENDED: - err = 0; + err = do_pcm_hwsync(substream); + if (!err) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) n = snd_pcm_playback_hw_avail(runtime); else n = snd_pcm_capture_avail(runtime); n += runtime->delay; - break; - case SNDRV_PCM_STATE_XRUN: - err = -EPIPE; - break; - default: - __badfd: - err = -EBADFD; - break; } snd_pcm_stream_unlock_irq(substream); - if (!err) - if (put_user(n, res)) - err = -EFAULT; - return err; + return err < 0 ? err : n; } static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream, @@ -2718,10 +2635,15 @@ static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream, return err; } snd_pcm_stream_lock_irq(substream); - if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL)) - control->appl_ptr = sync_ptr.c.control.appl_ptr; - else + if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL)) { + err = apply_appl_ptr(substream, sync_ptr.c.control.appl_ptr); + if (err < 0) { + snd_pcm_stream_unlock_irq(substream); + return err; + } + } else { sync_ptr.c.control.appl_ptr = control->appl_ptr; + } if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN)) control->avail_min = sync_ptr.c.control.avail_min; else @@ -2781,7 +2703,7 @@ static int snd_pcm_common_ioctl1(struct file *file, case SNDRV_PCM_IOCTL_RESET: return snd_pcm_reset(substream); case SNDRV_PCM_IOCTL_START: - return snd_pcm_action_lock_irq(&snd_pcm_action_start, substream, SNDRV_PCM_STATE_RUNNING); + return snd_pcm_start_lock_irq(substream); case SNDRV_PCM_IOCTL_LINK: return snd_pcm_link(substream, (int)(unsigned long) arg); case SNDRV_PCM_IOCTL_UNLINK: @@ -2793,7 +2715,16 @@ static int snd_pcm_common_ioctl1(struct file *file, case SNDRV_PCM_IOCTL_HWSYNC: return snd_pcm_hwsync(substream); case SNDRV_PCM_IOCTL_DELAY: - return snd_pcm_delay(substream, arg); + { + snd_pcm_sframes_t delay = snd_pcm_delay(substream); + snd_pcm_sframes_t __user *res = arg; + + if (delay < 0) + return delay; + if (put_user(delay, res)) + return -EFAULT; + return 0; + } case SNDRV_PCM_IOCTL_SYNC_PTR: return snd_pcm_sync_ptr(substream, arg); #ifdef CONFIG_SND_SUPPORT_OLD_API @@ -3007,30 +2938,55 @@ static long snd_pcm_capture_ioctl(struct file *file, unsigned int cmd, (void __user *)arg); } +/** + * snd_pcm_kernel_ioctl - Execute PCM ioctl in the kernel-space + * @substream: PCM substream + * @cmd: IOCTL cmd + * @arg: IOCTL argument + * + * The function is provided primarily for OSS layer and USB gadget drivers, + * and it allows only the limited set of ioctls (hw_params, sw_params, + * prepare, start, drain, drop, forward). + */ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg) { - mm_segment_t fs; - int result; + snd_pcm_uframes_t *frames = arg; + snd_pcm_sframes_t result; - fs = snd_enter_user(); - switch (substream->stream) { - case SNDRV_PCM_STREAM_PLAYBACK: - result = snd_pcm_playback_ioctl1(NULL, substream, cmd, - (void __user *)arg); - break; - case SNDRV_PCM_STREAM_CAPTURE: - result = snd_pcm_capture_ioctl1(NULL, substream, cmd, - (void __user *)arg); - break; + switch (cmd) { + case SNDRV_PCM_IOCTL_FORWARD: + { + /* provided only for OSS; capture-only and no value returned */ + if (substream->stream != SNDRV_PCM_STREAM_CAPTURE) + return -EINVAL; + result = snd_pcm_capture_forward(substream, *frames); + return result < 0 ? result : 0; + } + case SNDRV_PCM_IOCTL_HW_PARAMS: + return snd_pcm_hw_params(substream, arg); + case SNDRV_PCM_IOCTL_SW_PARAMS: + return snd_pcm_sw_params(substream, arg); + case SNDRV_PCM_IOCTL_PREPARE: + return snd_pcm_prepare(substream, NULL); + case SNDRV_PCM_IOCTL_START: + return snd_pcm_start_lock_irq(substream); + case SNDRV_PCM_IOCTL_DRAIN: + return snd_pcm_drain(substream, NULL); + case SNDRV_PCM_IOCTL_DROP: + return snd_pcm_drop(substream); + case SNDRV_PCM_IOCTL_DELAY: + { + result = snd_pcm_delay(substream); + if (result < 0) + return result; + *frames = result; + return 0; + } default: - result = -EINVAL; - break; + return -EINVAL; } - snd_leave_user(fs); - return result; } - EXPORT_SYMBOL(snd_pcm_kernel_ioctl); static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count, diff --git a/sound/core/pcm_timer.c b/sound/core/pcm_timer.c index 20ecd8f..11389f1 100644 --- a/sound/core/pcm_timer.c +++ b/sound/core/pcm_timer.c @@ -25,6 +25,8 @@ #include <sound/pcm.h> #include <sound/timer.h> +#include "pcm_local.h" + /* * Timer functions */ @@ -33,8 +35,8 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) { unsigned long rate, mult, fsize, l, post; struct snd_pcm_runtime *runtime = substream->runtime; - - mult = 1000000000; + + mult = 1000000000; rate = runtime->rate; if (snd_BUG_ON(!rate)) return; @@ -65,7 +67,7 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) static unsigned long snd_pcm_timer_resolution(struct snd_timer * timer) { struct snd_pcm_substream *substream; - + substream = timer->private_data; return substream->runtime ? substream->runtime->timer_resolution : 0; } @@ -73,7 +75,7 @@ static unsigned long snd_pcm_timer_resolution(struct snd_timer * timer) static int snd_pcm_timer_start(struct snd_timer * timer) { struct snd_pcm_substream *substream; - + substream = snd_timer_chip(timer); substream->timer_running = 1; return 0; @@ -82,7 +84,7 @@ static int snd_pcm_timer_start(struct snd_timer * timer) static int snd_pcm_timer_stop(struct snd_timer * timer) { struct snd_pcm_substream *substream; - + substream = snd_timer_chip(timer); substream->timer_running = 0; return 0; @@ -112,7 +114,7 @@ void snd_pcm_timer_init(struct snd_pcm_substream *substream) { struct snd_timer_id tid; struct snd_timer *timer; - + tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; tid.dev_class = SNDRV_TIMER_CLASS_PCM; tid.card = substream->pcm->card->number; diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index 172dacd..dd5ed03 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -644,15 +644,22 @@ static int alloc_fake_buffer(void) } static int dummy_pcm_copy(struct snd_pcm_substream *substream, - int channel, snd_pcm_uframes_t pos, - void __user *dst, snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *dst, unsigned long bytes) +{ + return 0; /* do nothing */ +} + +static int dummy_pcm_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long bytes) { return 0; /* do nothing */ } static int dummy_pcm_silence(struct snd_pcm_substream *substream, - int channel, snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + unsigned long bytes) { return 0; /* do nothing */ } @@ -683,8 +690,9 @@ static struct snd_pcm_ops dummy_pcm_ops_no_buf = { .prepare = dummy_pcm_prepare, .trigger = dummy_pcm_trigger, .pointer = dummy_pcm_pointer, - .copy = dummy_pcm_copy, - .silence = dummy_pcm_silence, + .copy_user = dummy_pcm_copy, + .copy_kernel = dummy_pcm_copy_kernel, + .fill_silence = dummy_pcm_silence, .page = dummy_pcm_page, }; diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c index c1cb249..22c3e4b 100644 --- a/sound/drivers/opl3/opl3_oss.c +++ b/sound/drivers/opl3/opl3_oss.c @@ -27,20 +27,6 @@ static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, const char __user *buf, int offs, int count); static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg); -/* */ - -static inline mm_segment_t snd_enter_user(void) -{ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); - return fs; -} - -static inline void snd_leave_user(mm_segment_t fs) -{ - set_fs(fs); -} - /* operators */ extern struct snd_midi_op opl3_ops; diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c index 89c7aa0..240656e 100644 --- a/sound/drivers/opl4/opl4_lib.c +++ b/sound/drivers/opl4/opl4_lib.c @@ -153,7 +153,7 @@ static int snd_opl4_detect(struct snd_opl4 *opl4) return 0; } -#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) +#if IS_REACHABLE(CONFIG_SND_SEQUENCER) static void snd_opl4_seq_dev_free(struct snd_seq_device *seq_dev) { struct snd_opl4 *opl4 = seq_dev->private_data; @@ -249,7 +249,7 @@ int snd_opl4_create(struct snd_card *card, snd_opl4_create_mixer(opl4); snd_opl4_create_proc(opl4); -#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) +#if IS_REACHABLE(CONFIG_SND_SEQUENCER) opl4->seq_client = -1; if (opl4->hardware < OPL3_HW_OPL4_ML) snd_opl4_create_seq_dev(opl4, seq_device); diff --git a/sound/drivers/opl4/opl4_local.h b/sound/drivers/opl4/opl4_local.h index 9a41bde..d5bac93 100644 --- a/sound/drivers/opl4/opl4_local.h +++ b/sound/drivers/opl4/opl4_local.h @@ -184,7 +184,7 @@ struct snd_opl4 { #endif struct mutex access_mutex; -#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE) +#if IS_REACHABLE(CONFIG_SND_SEQUENCER) int used; int seq_dev_num; diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c index be9477e..98a41ac 100644 --- a/sound/drivers/vx/vx_mixer.c +++ b/sound/drivers/vx/vx_mixer.c @@ -455,7 +455,7 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele return 0; } -static struct snd_kcontrol_new vx_control_output_level = { +static const struct snd_kcontrol_new vx_control_output_level = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ), @@ -514,7 +514,7 @@ static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v return 0; } -static struct snd_kcontrol_new vx_control_audio_src = { +static const struct snd_kcontrol_new vx_control_audio_src = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", .info = vx_audio_src_info, @@ -558,7 +558,7 @@ static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ return 0; } -static struct snd_kcontrol_new vx_control_clock_mode = { +static const struct snd_kcontrol_new vx_control_clock_mode = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Clock Mode", .info = vx_clock_mode_info, @@ -717,7 +717,7 @@ static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0); -static struct snd_kcontrol_new vx_control_audio_gain = { +static const struct snd_kcontrol_new vx_control_audio_gain = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ), @@ -727,14 +727,14 @@ static struct snd_kcontrol_new vx_control_audio_gain = { .put = vx_audio_gain_put, .tlv = { .p = db_scale_audio_gain }, }; -static struct snd_kcontrol_new vx_control_output_switch = { +static const struct snd_kcontrol_new vx_control_output_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Switch", .info = vx_audio_sw_info, .get = vx_audio_sw_get, .put = vx_audio_sw_put }; -static struct snd_kcontrol_new vx_control_monitor_gain = { +static const struct snd_kcontrol_new vx_control_monitor_gain = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Monitoring Volume", .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | @@ -744,7 +744,7 @@ static struct snd_kcontrol_new vx_control_monitor_gain = { .put = vx_audio_monitor_put, .tlv = { .p = db_scale_audio_gain }, }; -static struct snd_kcontrol_new vx_control_monitor_switch = { +static const struct snd_kcontrol_new vx_control_monitor_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Monitoring Switch", .info = vx_audio_sw_info, /* shared */ @@ -805,7 +805,7 @@ static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu return 0; } -static struct snd_kcontrol_new vx_control_iec958_mask = { +static const struct snd_kcontrol_new vx_control_iec958_mask = { .access = SNDRV_CTL_ELEM_ACCESS_READ, .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), @@ -813,7 +813,7 @@ static struct snd_kcontrol_new vx_control_iec958_mask = { .get = vx_iec958_mask_get, }; -static struct snd_kcontrol_new vx_control_iec958 = { +static const struct snd_kcontrol_new vx_control_iec958 = { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), .info = vx_iec958_info, @@ -878,7 +878,7 @@ static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ return 0; } -static struct snd_kcontrol_new vx_control_vu_meter = { +static const struct snd_kcontrol_new vx_control_vu_meter = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, /* name will be filled later */ @@ -886,7 +886,7 @@ static struct snd_kcontrol_new vx_control_vu_meter = { .get = vx_vu_meter_get, }; -static struct snd_kcontrol_new vx_control_peak_meter = { +static const struct snd_kcontrol_new vx_control_peak_meter = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, /* name will be filled later */ @@ -894,7 +894,7 @@ static struct snd_kcontrol_new vx_control_peak_meter = { .get = vx_peak_meter_get, }; -static struct snd_kcontrol_new vx_control_saturation = { +static const struct snd_kcontrol_new vx_control_saturation = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Input Saturation", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, diff --git a/sound/firewire/amdtp-am824.c b/sound/firewire/amdtp-am824.c index bebddc6..23ccddb 100644 --- a/sound/firewire/amdtp-am824.c +++ b/sound/firewire/amdtp-am824.c @@ -38,10 +38,6 @@ struct amdtp_am824 { u8 pcm_positions[AM824_MAX_CHANNELS_FOR_PCM]; u8 midi_position; - void (*transfer_samples)(struct amdtp_stream *s, - struct snd_pcm_substream *pcm, - __be32 *buffer, unsigned int frames); - unsigned int frame_multiplier; }; @@ -177,32 +173,6 @@ static void write_pcm_s32(struct amdtp_stream *s, } } -static void write_pcm_s16(struct amdtp_stream *s, - struct snd_pcm_substream *pcm, - __be32 *buffer, unsigned int frames) -{ - struct amdtp_am824 *p = s->protocol; - struct snd_pcm_runtime *runtime = pcm->runtime; - unsigned int channels, remaining_frames, i, c; - const u16 *src; - - channels = p->pcm_channels; - src = (void *)runtime->dma_area + - frames_to_bytes(runtime, s->pcm_buffer_pointer); - remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer; - - for (i = 0; i < frames; ++i) { - for (c = 0; c < channels; ++c) { - buffer[p->pcm_positions[c]] = - cpu_to_be32((*src << 8) | 0x42000000); - src++; - } - buffer += s->data_block_quadlets; - if (--remaining_frames == 0) - src = (void *)runtime->dma_area; - } -} - static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) @@ -242,43 +212,6 @@ static void write_pcm_silence(struct amdtp_stream *s, } /** - * amdtp_am824_set_pcm_format - set the PCM format - * @s: the AMDTP stream to configure - * @format: the format of the ALSA PCM device - * - * The sample format must be set after the other parameters (rate/PCM channels/ - * MIDI) and before the stream is started, and must not be changed while the - * stream is running. - */ -void amdtp_am824_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format) -{ - struct amdtp_am824 *p = s->protocol; - - if (WARN_ON(amdtp_stream_pcm_running(s))) - return; - - switch (format) { - default: - WARN_ON(1); - /* fall through */ - case SNDRV_PCM_FORMAT_S16: - if (s->direction == AMDTP_OUT_STREAM) { - p->transfer_samples = write_pcm_s16; - break; - } - WARN_ON(1); - /* fall through */ - case SNDRV_PCM_FORMAT_S32: - if (s->direction == AMDTP_OUT_STREAM) - p->transfer_samples = write_pcm_s32; - else - p->transfer_samples = read_pcm_s32; - break; - } -} -EXPORT_SYMBOL_GPL(amdtp_am824_set_pcm_format); - -/** * amdtp_am824_add_pcm_hw_constraints - add hw constraints for PCM substream * @s: the AMDTP stream for AM824 data block, must be initialized. * @runtime: the PCM substream runtime @@ -407,7 +340,7 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s, __be32 *buffe unsigned int pcm_frames; if (pcm) { - p->transfer_samples(s, pcm, buffer, data_blocks); + write_pcm_s32(s, pcm, buffer, data_blocks); pcm_frames = data_blocks * p->frame_multiplier; } else { write_pcm_silence(s, buffer, data_blocks); @@ -428,7 +361,7 @@ static unsigned int process_tx_data_blocks(struct amdtp_stream *s, __be32 *buffe unsigned int pcm_frames; if (pcm) { - p->transfer_samples(s, pcm, buffer, data_blocks); + read_pcm_s32(s, pcm, buffer, data_blocks); pcm_frames = data_blocks * p->frame_multiplier; } else { pcm_frames = 0; diff --git a/sound/firewire/amdtp-am824.h b/sound/firewire/amdtp-am824.h index 73b07b3..b56e61f 100644 --- a/sound/firewire/amdtp-am824.h +++ b/sound/firewire/amdtp-am824.h @@ -8,8 +8,7 @@ #define AM824_IN_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32 -#define AM824_OUT_PCM_FORMAT_BITS (SNDRV_PCM_FMTBIT_S16 | \ - SNDRV_PCM_FMTBIT_S32) +#define AM824_OUT_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32 /* * This module supports maximum 64 PCM channels for one PCM stream @@ -41,9 +40,6 @@ void amdtp_am824_set_midi_position(struct amdtp_stream *s, int amdtp_am824_add_pcm_hw_constraints(struct amdtp_stream *s, struct snd_pcm_runtime *runtime); -void amdtp_am824_set_pcm_format(struct amdtp_stream *s, - snd_pcm_format_t format); - void amdtp_am824_midi_trigger(struct amdtp_stream *s, unsigned int port, struct snd_rawmidi_substream *midi); diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 9e6f54f..4316d9d 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -929,6 +929,25 @@ unsigned long amdtp_stream_pcm_pointer(struct amdtp_stream *s) EXPORT_SYMBOL(amdtp_stream_pcm_pointer); /** + * amdtp_stream_pcm_ack - acknowledge queued PCM frames + * @s: the AMDTP stream that transfers the PCM frames + * + * Returns zero always. + */ +int amdtp_stream_pcm_ack(struct amdtp_stream *s) +{ + /* + * Process isochronous packets for recent isochronous cycle to handle + * queued PCM frames. + */ + if (amdtp_stream_running(s)) + fw_iso_context_flush_completions(s->context); + + return 0; +} +EXPORT_SYMBOL(amdtp_stream_pcm_ack); + +/** * amdtp_stream_update - update the stream after a bus reset * @s: the AMDTP stream */ diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index 7e88317..6d613f2 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -168,6 +168,7 @@ int amdtp_stream_add_pcm_hw_constraints(struct amdtp_stream *s, void amdtp_stream_pcm_prepare(struct amdtp_stream *s); unsigned long amdtp_stream_pcm_pointer(struct amdtp_stream *s); +int amdtp_stream_pcm_ack(struct amdtp_stream *s); void amdtp_stream_pcm_abort(struct amdtp_stream *s); extern const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT]; diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c index 07e5abd..d10208f 100644 --- a/sound/firewire/bebob/bebob_maudio.c +++ b/sound/firewire/bebob/bebob_maudio.c @@ -396,7 +396,7 @@ static int special_clk_ctl_put(struct snd_kcontrol *kctl, return err; } -static struct snd_kcontrol_new special_clk_ctl = { +static const struct snd_kcontrol_new special_clk_ctl = { .name = "Clock Source", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -429,7 +429,7 @@ static int special_sync_ctl_get(struct snd_kcontrol *kctl, return 0; } -static struct snd_kcontrol_new special_sync_ctl = { +static const struct snd_kcontrol_new special_sync_ctl = { .name = "Sync Status", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READ, @@ -521,7 +521,7 @@ end: mutex_unlock(&bebob->mutex); return err; } -static struct snd_kcontrol_new special_dig_in_iface_ctl = { +static const struct snd_kcontrol_new special_dig_in_iface_ctl = { .name = "Digital Input Interface", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -577,7 +577,7 @@ static int special_dig_out_iface_ctl_set(struct snd_kcontrol *kctl, mutex_unlock(&bebob->mutex); return err; } -static struct snd_kcontrol_new special_dig_out_iface_ctl = { +static const struct snd_kcontrol_new special_dig_out_iface_ctl = { .name = "Digital Output Interface", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index 9e27eb8..657e15a 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -224,8 +224,6 @@ pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&bebob->mutex); } - amdtp_am824_set_pcm_format(&bebob->tx_stream, params_format(hw_params)); - return 0; } static int @@ -246,8 +244,6 @@ pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&bebob->mutex); } - amdtp_am824_set_pcm_format(&bebob->rx_stream, params_format(hw_params)); - return 0; } @@ -359,6 +355,20 @@ pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&bebob->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_bebob *bebob = substream->private_data; + + return amdtp_stream_pcm_ack(&bebob->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_bebob *bebob = substream->private_data; + + return amdtp_stream_pcm_ack(&bebob->rx_stream); +} + int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) { static const struct snd_pcm_ops capture_ops = { @@ -370,6 +380,7 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, }; static const struct snd_pcm_ops playback_ops = { @@ -381,6 +392,7 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/dice/dice-pcm.c b/sound/firewire/dice/dice-pcm.c index 6074fe1..2dda746 100644 --- a/sound/firewire/dice/dice-pcm.c +++ b/sound/firewire/dice/dice-pcm.c @@ -146,7 +146,6 @@ static int capture_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct snd_dice *dice = substream->private_data; - struct amdtp_stream *stream = &dice->tx_stream[substream->pcm->device]; int err; err = snd_pcm_lib_alloc_vmalloc_buffer(substream, @@ -160,15 +159,12 @@ static int capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&dice->mutex); } - amdtp_am824_set_pcm_format(stream, params_format(hw_params)); - return 0; } static int playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct snd_dice *dice = substream->private_data; - struct amdtp_stream *stream = &dice->rx_stream[substream->pcm->device]; int err; err = snd_pcm_lib_alloc_vmalloc_buffer(substream, @@ -182,8 +178,6 @@ static int playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&dice->mutex); } - amdtp_am824_set_pcm_format(stream, params_format(hw_params)); - return 0; } @@ -300,6 +294,22 @@ static snd_pcm_uframes_t playback_pointer(struct snd_pcm_substream *substream) return amdtp_stream_pcm_pointer(stream); } +static int capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_dice *dice = substream->private_data; + struct amdtp_stream *stream = &dice->tx_stream[substream->pcm->device]; + + return amdtp_stream_pcm_ack(stream); +} + +static int playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_dice *dice = substream->private_data; + struct amdtp_stream *stream = &dice->rx_stream[substream->pcm->device]; + + return amdtp_stream_pcm_ack(stream); +} + int snd_dice_create_pcm(struct snd_dice *dice) { static const struct snd_pcm_ops capture_ops = { @@ -311,6 +321,7 @@ int snd_dice_create_pcm(struct snd_dice *dice) .prepare = capture_prepare, .trigger = capture_trigger, .pointer = capture_pointer, + .ack = capture_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; @@ -323,6 +334,7 @@ int snd_dice_create_pcm(struct snd_dice *dice) .prepare = playback_prepare, .trigger = playback_trigger, .pointer = playback_pointer, + .ack = playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/digi00x/amdtp-dot.c b/sound/firewire/digi00x/amdtp-dot.c index a468854..1453c34 100644 --- a/sound/firewire/digi00x/amdtp-dot.c +++ b/sound/firewire/digi00x/amdtp-dot.c @@ -48,10 +48,6 @@ struct amdtp_dot { struct snd_rawmidi_substream *midi[MAX_MIDI_PORTS]; int midi_fifo_used[MAX_MIDI_PORTS]; int midi_fifo_limit; - - void (*transfer_samples)(struct amdtp_stream *s, - struct snd_pcm_substream *pcm, - __be32 *buffer, unsigned int frames); }; /* @@ -173,32 +169,6 @@ static void write_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm, } } -static void write_pcm_s16(struct amdtp_stream *s, struct snd_pcm_substream *pcm, - __be32 *buffer, unsigned int frames) -{ - struct amdtp_dot *p = s->protocol; - struct snd_pcm_runtime *runtime = pcm->runtime; - unsigned int channels, remaining_frames, i, c; - const u16 *src; - - channels = p->pcm_channels; - src = (void *)runtime->dma_area + - frames_to_bytes(runtime, s->pcm_buffer_pointer); - remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer; - - buffer++; - for (i = 0; i < frames; ++i) { - for (c = 0; c < channels; ++c) { - buffer[c] = cpu_to_be32((*src << 8) | 0x40000000); - dot_encode_step(&p->state, &buffer[c]); - src++; - } - buffer += s->data_block_quadlets; - if (--remaining_frames == 0) - src = (void *)runtime->dma_area; - } -} - static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) { @@ -351,33 +321,6 @@ int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s, return amdtp_stream_add_pcm_hw_constraints(s, runtime); } -void amdtp_dot_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format) -{ - struct amdtp_dot *p = s->protocol; - - if (WARN_ON(amdtp_stream_pcm_running(s))) - return; - - switch (format) { - default: - WARN_ON(1); - /* fall through */ - case SNDRV_PCM_FORMAT_S16: - if (s->direction == AMDTP_OUT_STREAM) { - p->transfer_samples = write_pcm_s16; - break; - } - WARN_ON(1); - /* fall through */ - case SNDRV_PCM_FORMAT_S32: - if (s->direction == AMDTP_OUT_STREAM) - p->transfer_samples = write_pcm_s32; - else - p->transfer_samples = read_pcm_s32; - break; - } -} - void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port, struct snd_rawmidi_substream *midi) { @@ -392,13 +335,12 @@ static unsigned int process_tx_data_blocks(struct amdtp_stream *s, unsigned int data_blocks, unsigned int *syt) { - struct amdtp_dot *p = (struct amdtp_dot *)s->protocol; struct snd_pcm_substream *pcm; unsigned int pcm_frames; pcm = ACCESS_ONCE(s->pcm); if (pcm) { - p->transfer_samples(s, pcm, buffer, data_blocks); + read_pcm_s32(s, pcm, buffer, data_blocks); pcm_frames = data_blocks; } else { pcm_frames = 0; @@ -414,13 +356,12 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s, unsigned int data_blocks, unsigned int *syt) { - struct amdtp_dot *p = (struct amdtp_dot *)s->protocol; struct snd_pcm_substream *pcm; unsigned int pcm_frames; pcm = ACCESS_ONCE(s->pcm); if (pcm) { - p->transfer_samples(s, pcm, buffer, data_blocks); + write_pcm_s32(s, pcm, buffer, data_blocks); pcm_frames = data_blocks; } else { write_pcm_silence(s, buffer, data_blocks); diff --git a/sound/firewire/digi00x/digi00x-pcm.c b/sound/firewire/digi00x/digi00x-pcm.c index 68d1c52..f76cf5e 100644 --- a/sound/firewire/digi00x/digi00x-pcm.c +++ b/sound/firewire/digi00x/digi00x-pcm.c @@ -88,8 +88,7 @@ static int pcm_init_hw_params(struct snd_dg00x *dg00x, substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S32; s = &dg00x->tx_stream; } else { - substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S16 | - SNDRV_PCM_FMTBIT_S32; + substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S32; s = &dg00x->rx_stream; } @@ -184,8 +183,6 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&dg00x->mutex); } - amdtp_dot_set_pcm_format(&dg00x->tx_stream, params_format(hw_params)); - return 0; } @@ -206,8 +203,6 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&dg00x->mutex); } - amdtp_dot_set_pcm_format(&dg00x->rx_stream, params_format(hw_params)); - return 0; } @@ -329,6 +324,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&dg00x->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_dg00x *dg00x = substream->private_data; + + return amdtp_stream_pcm_ack(&dg00x->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_dg00x *dg00x = substream->private_data; + + return amdtp_stream_pcm_ack(&dg00x->rx_stream); +} + int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x) { static const struct snd_pcm_ops capture_ops = { @@ -340,6 +349,7 @@ int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, }; static const struct snd_pcm_ops playback_ops = { @@ -351,6 +361,7 @@ int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x) .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/digi00x/digi00x.h b/sound/firewire/digi00x/digi00x.h index 1275a50..4dd1bbf 100644 --- a/sound/firewire/digi00x/digi00x.h +++ b/sound/firewire/digi00x/digi00x.h @@ -121,7 +121,6 @@ int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate, void amdtp_dot_reset(struct amdtp_stream *s); int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s, struct snd_pcm_runtime *runtime); -void amdtp_dot_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format); void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port, struct snd_rawmidi_substream *midi); diff --git a/sound/firewire/fireface/ff-midi.c b/sound/firewire/fireface/ff-midi.c index 29ee0a7..949ee56 100644 --- a/sound/firewire/fireface/ff-midi.c +++ b/sound/firewire/fireface/ff-midi.c @@ -74,18 +74,6 @@ static void midi_playback_trigger(struct snd_rawmidi_substream *substream, spin_unlock_irqrestore(&ff->lock, flags); } -static struct snd_rawmidi_ops midi_capture_ops = { - .open = midi_capture_open, - .close = midi_capture_close, - .trigger = midi_capture_trigger, -}; - -static struct snd_rawmidi_ops midi_playback_ops = { - .open = midi_playback_open, - .close = midi_playback_close, - .trigger = midi_playback_trigger, -}; - static void set_midi_substream_names(struct snd_rawmidi_str *stream, const char *const name) { @@ -99,6 +87,16 @@ static void set_midi_substream_names(struct snd_rawmidi_str *stream, int snd_ff_create_midi_devices(struct snd_ff *ff) { + static const struct snd_rawmidi_ops midi_capture_ops = { + .open = midi_capture_open, + .close = midi_capture_close, + .trigger = midi_capture_trigger, + }; + static const struct snd_rawmidi_ops midi_playback_ops = { + .open = midi_playback_open, + .close = midi_playback_close, + .trigger = midi_playback_trigger, + }; struct snd_rawmidi *rmidi; struct snd_rawmidi_str *stream; int err; diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c index 93cee19..ad974b5 100644 --- a/sound/firewire/fireface/ff-pcm.c +++ b/sound/firewire/fireface/ff-pcm.c @@ -365,33 +365,47 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&ff->rx_stream); } -static struct snd_pcm_ops pcm_capture_ops = { - .open = pcm_open, - .close = pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = pcm_capture_hw_params, - .hw_free = pcm_capture_hw_free, - .prepare = pcm_capture_prepare, - .trigger = pcm_capture_trigger, - .pointer = pcm_capture_pointer, - .page = snd_pcm_lib_get_vmalloc_page, -}; - -static struct snd_pcm_ops pcm_playback_ops = { - .open = pcm_open, - .close = pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = pcm_playback_hw_params, - .hw_free = pcm_playback_hw_free, - .prepare = pcm_playback_prepare, - .trigger = pcm_playback_trigger, - .pointer = pcm_playback_pointer, - .page = snd_pcm_lib_get_vmalloc_page, - .mmap = snd_pcm_lib_mmap_vmalloc, -}; +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_ff *ff = substream->private_data; + + return amdtp_stream_pcm_ack(&ff->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_ff *ff = substream->private_data; + + return amdtp_stream_pcm_ack(&ff->rx_stream); +} int snd_ff_create_pcm_devices(struct snd_ff *ff) { + static const struct snd_pcm_ops pcm_capture_ops = { + .open = pcm_open, + .close = pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = pcm_capture_hw_params, + .hw_free = pcm_capture_hw_free, + .prepare = pcm_capture_prepare, + .trigger = pcm_capture_trigger, + .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, + .page = snd_pcm_lib_get_vmalloc_page, + }; + static const struct snd_pcm_ops pcm_playback_ops = { + .open = pcm_open, + .close = pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = pcm_playback_hw_params, + .hw_free = pcm_playback_hw_free, + .prepare = pcm_playback_prepare, + .trigger = pcm_playback_trigger, + .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, + .page = snd_pcm_lib_get_vmalloc_page, + .mmap = snd_pcm_lib_mmap_vmalloc, + }; struct snd_pcm *pcm; int err; diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c index 9171702..346e264 100644 --- a/sound/firewire/fireworks/fireworks_pcm.c +++ b/sound/firewire/fireworks/fireworks_pcm.c @@ -257,8 +257,6 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&efw->mutex); } - amdtp_am824_set_pcm_format(&efw->tx_stream, params_format(hw_params)); - return 0; } static int pcm_playback_hw_params(struct snd_pcm_substream *substream, @@ -278,8 +276,6 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&efw->mutex); } - amdtp_am824_set_pcm_format(&efw->rx_stream, params_format(hw_params)); - return 0; } @@ -383,6 +379,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&efw->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_efw *efw = substream->private_data; + + return amdtp_stream_pcm_ack(&efw->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_efw *efw = substream->private_data; + + return amdtp_stream_pcm_ack(&efw->rx_stream); +} + int snd_efw_create_pcm_devices(struct snd_efw *efw) { static const struct snd_pcm_ops capture_ops = { @@ -394,6 +404,7 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, }; static const struct snd_pcm_ops playback_ops = { @@ -405,6 +416,7 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw) .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c index 94558f3..e3ef89c 100644 --- a/sound/firewire/motu/motu-pcm.c +++ b/sound/firewire/motu/motu-pcm.c @@ -356,6 +356,20 @@ static snd_pcm_uframes_t playback_pointer(struct snd_pcm_substream *substream) return amdtp_stream_pcm_pointer(&motu->rx_stream); } +static int capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_motu *motu = substream->private_data; + + return amdtp_stream_pcm_ack(&motu->tx_stream); +} + +static int playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_motu *motu = substream->private_data; + + return amdtp_stream_pcm_ack(&motu->rx_stream); +} + int snd_motu_create_pcm_devices(struct snd_motu *motu) { static struct snd_pcm_ops capture_ops = { @@ -367,6 +381,7 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu) .prepare = capture_prepare, .trigger = capture_trigger, .pointer = capture_pointer, + .ack = capture_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; @@ -379,6 +394,7 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu) .prepare = playback_prepare, .trigger = playback_trigger, .pointer = playback_pointer, + .ack = playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c index f3530f8..bc1a3a3 100644 --- a/sound/firewire/oxfw/oxfw-pcm.c +++ b/sound/firewire/oxfw/oxfw-pcm.c @@ -244,8 +244,6 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&oxfw->mutex); } - amdtp_am824_set_pcm_format(&oxfw->tx_stream, params_format(hw_params)); - return 0; } static int pcm_playback_hw_params(struct snd_pcm_substream *substream, @@ -265,8 +263,6 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&oxfw->mutex); } - amdtp_am824_set_pcm_format(&oxfw->rx_stream, params_format(hw_params)); - return 0; } @@ -386,6 +382,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstm) return amdtp_stream_pcm_pointer(&oxfw->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_oxfw *oxfw = substream->private_data; + + return amdtp_stream_pcm_ack(&oxfw->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_oxfw *oxfw = substream->private_data; + + return amdtp_stream_pcm_ack(&oxfw->rx_stream); +} + int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) { static const struct snd_pcm_ops capture_ops = { @@ -397,6 +407,7 @@ int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; @@ -409,6 +420,7 @@ int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/tascam/amdtp-tascam.c b/sound/firewire/tascam/amdtp-tascam.c index 9dd0fcc..6aff1fc 100644 --- a/sound/firewire/tascam/amdtp-tascam.c +++ b/sound/firewire/tascam/amdtp-tascam.c @@ -14,10 +14,6 @@ struct amdtp_tscm { unsigned int pcm_channels; - - void (*transfer_samples)(struct amdtp_stream *s, - struct snd_pcm_substream *pcm, - __be32 *buffer, unsigned int frames); }; int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate) @@ -62,31 +58,6 @@ static void write_pcm_s32(struct amdtp_stream *s, } } -static void write_pcm_s16(struct amdtp_stream *s, - struct snd_pcm_substream *pcm, - __be32 *buffer, unsigned int frames) -{ - struct amdtp_tscm *p = s->protocol; - struct snd_pcm_runtime *runtime = pcm->runtime; - unsigned int channels, remaining_frames, i, c; - const u16 *src; - - channels = p->pcm_channels; - src = (void *)runtime->dma_area + - frames_to_bytes(runtime, s->pcm_buffer_pointer); - remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer; - - for (i = 0; i < frames; ++i) { - for (c = 0; c < channels; ++c) { - buffer[c] = cpu_to_be32(*src << 16); - src++; - } - buffer += s->data_block_quadlets; - if (--remaining_frames == 0) - src = (void *)runtime->dma_area; - } -} - static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames) @@ -146,44 +117,16 @@ int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s, return amdtp_stream_add_pcm_hw_constraints(s, runtime); } -void amdtp_tscm_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format) -{ - struct amdtp_tscm *p = s->protocol; - - if (WARN_ON(amdtp_stream_pcm_running(s))) - return; - - switch (format) { - default: - WARN_ON(1); - /* fall through */ - case SNDRV_PCM_FORMAT_S16: - if (s->direction == AMDTP_OUT_STREAM) { - p->transfer_samples = write_pcm_s16; - break; - } - WARN_ON(1); - /* fall through */ - case SNDRV_PCM_FORMAT_S32: - if (s->direction == AMDTP_OUT_STREAM) - p->transfer_samples = write_pcm_s32; - else - p->transfer_samples = read_pcm_s32; - break; - } -} - static unsigned int process_tx_data_blocks(struct amdtp_stream *s, __be32 *buffer, unsigned int data_blocks, unsigned int *syt) { - struct amdtp_tscm *p = (struct amdtp_tscm *)s->protocol; struct snd_pcm_substream *pcm; pcm = ACCESS_ONCE(s->pcm); if (data_blocks > 0 && pcm) - p->transfer_samples(s, pcm, buffer, data_blocks); + read_pcm_s32(s, pcm, buffer, data_blocks); /* A place holder for control messages. */ @@ -195,7 +138,6 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s, unsigned int data_blocks, unsigned int *syt) { - struct amdtp_tscm *p = (struct amdtp_tscm *)s->protocol; struct snd_pcm_substream *pcm; /* This field is not used. */ @@ -203,7 +145,7 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s, pcm = ACCESS_ONCE(s->pcm); if (pcm) - p->transfer_samples(s, pcm, buffer, data_blocks); + write_pcm_s32(s, pcm, buffer, data_blocks); else write_pcm_silence(s, buffer, data_blocks); diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c index f5dd6ce..3c4482a 100644 --- a/sound/firewire/tascam/tascam-pcm.c +++ b/sound/firewire/tascam/tascam-pcm.c @@ -48,8 +48,7 @@ static int pcm_init_hw_params(struct snd_tscm *tscm, stream = &tscm->tx_stream; pcm_channels = tscm->spec->pcm_capture_analog_channels; } else { - runtime->hw.formats = - SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S32; + runtime->hw.formats = SNDRV_PCM_FMTBIT_S32; stream = &tscm->rx_stream; pcm_channels = tscm->spec->pcm_playback_analog_channels; } @@ -125,8 +124,6 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&tscm->mutex); } - amdtp_tscm_set_pcm_format(&tscm->tx_stream, params_format(hw_params)); - return 0; } @@ -147,8 +144,6 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&tscm->mutex); } - amdtp_tscm_set_pcm_format(&tscm->rx_stream, params_format(hw_params)); - return 0; } @@ -268,6 +263,20 @@ static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm) return amdtp_stream_pcm_pointer(&tscm->rx_stream); } +static int pcm_capture_ack(struct snd_pcm_substream *substream) +{ + struct snd_tscm *tscm = substream->private_data; + + return amdtp_stream_pcm_ack(&tscm->tx_stream); +} + +static int pcm_playback_ack(struct snd_pcm_substream *substream) +{ + struct snd_tscm *tscm = substream->private_data; + + return amdtp_stream_pcm_ack(&tscm->rx_stream); +} + int snd_tscm_create_pcm_devices(struct snd_tscm *tscm) { static const struct snd_pcm_ops capture_ops = { @@ -279,6 +288,7 @@ int snd_tscm_create_pcm_devices(struct snd_tscm *tscm) .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, + .ack = pcm_capture_ack, .page = snd_pcm_lib_get_vmalloc_page, }; static const struct snd_pcm_ops playback_ops = { @@ -290,6 +300,7 @@ int snd_tscm_create_pcm_devices(struct snd_tscm *tscm) .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, + .ack = pcm_playback_ack, .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h index 08ecfae..a5bd167 100644 --- a/sound/firewire/tascam/tascam.h +++ b/sound/firewire/tascam/tascam.h @@ -131,7 +131,6 @@ int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit, int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate); int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s, struct snd_pcm_runtime *runtime); -void amdtp_tscm_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format); int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate); int snd_tscm_stream_get_clock(struct snd_tscm *tscm, diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c index 2183e9e..4099e60 100644 --- a/sound/i2c/other/ak4113.c +++ b/sound/i2c/other/ak4113.c @@ -199,12 +199,11 @@ static int snd_ak4113_in_error_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct ak4113 *chip = snd_kcontrol_chip(kcontrol); - long *ptr; spin_lock_irq(&chip->lock); - ptr = (long *)(((char *)chip) + kcontrol->private_value); - ucontrol->value.integer.value[0] = *ptr; - *ptr = 0; + ucontrol->value.integer.value[0] = + chip->errors[kcontrol->private_value]; + chip->errors[kcontrol->private_value] = 0; spin_unlock_irq(&chip->lock); return 0; } @@ -373,7 +372,7 @@ static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4113_in_error_info, .get = snd_ak4113_in_error_get, - .private_value = offsetof(struct ak4113, parity_errors), + .private_value = AK4113_PARITY_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -382,7 +381,7 @@ static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4113_in_error_info, .get = snd_ak4113_in_error_get, - .private_value = offsetof(struct ak4113, v_bit_errors), + .private_value = AK4113_V_BIT_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -391,7 +390,7 @@ static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4113_in_error_info, .get = snd_ak4113_in_error_get, - .private_value = offsetof(struct ak4113, ccrc_errors), + .private_value = AK4113_CCRC_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -400,7 +399,7 @@ static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4113_in_error_info, .get = snd_ak4113_in_error_get, - .private_value = offsetof(struct ak4113, qcrc_errors), + .private_value = AK4113_QCRC_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -551,13 +550,13 @@ int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags) rcs2 = reg_read(ak4113, AK4113_REG_RCS2); spin_lock_irqsave(&ak4113->lock, _flags); if (rcs0 & AK4113_PAR) - ak4113->parity_errors++; + ak4113->errors[AK4113_PARITY_ERRORS]++; if (rcs0 & AK4113_V) - ak4113->v_bit_errors++; + ak4113->errors[AK4113_V_BIT_ERRORS]++; if (rcs2 & AK4113_CCRC) - ak4113->ccrc_errors++; + ak4113->errors[AK4113_CCRC_ERRORS]++; if (rcs2 & AK4113_QCRC) - ak4113->qcrc_errors++; + ak4113->errors[AK4113_QCRC_ERRORS]++; c0 = (ak4113->rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC | AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK)) ^ (rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC | diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c index d53c9bb..7fb1aeb 100644 --- a/sound/i2c/other/ak4114.c +++ b/sound/i2c/other/ak4114.c @@ -194,12 +194,11 @@ static int snd_ak4114_in_error_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct ak4114 *chip = snd_kcontrol_chip(kcontrol); - long *ptr; spin_lock_irq(&chip->lock); - ptr = (long *)(((char *)chip) + kcontrol->private_value); - ucontrol->value.integer.value[0] = *ptr; - *ptr = 0; + ucontrol->value.integer.value[0] = + chip->errors[kcontrol->private_value]; + chip->errors[kcontrol->private_value] = 0; spin_unlock_irq(&chip->lock); return 0; } @@ -341,7 +340,7 @@ static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4114_in_error_info, .get = snd_ak4114_in_error_get, - .private_value = offsetof(struct ak4114, parity_errors), + .private_value = AK4114_PARITY_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -349,7 +348,7 @@ static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4114_in_error_info, .get = snd_ak4114_in_error_get, - .private_value = offsetof(struct ak4114, v_bit_errors), + .private_value = AK4114_V_BIT_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -357,7 +356,7 @@ static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4114_in_error_info, .get = snd_ak4114_in_error_get, - .private_value = offsetof(struct ak4114, ccrc_errors), + .private_value = AK4114_CCRC_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -365,7 +364,7 @@ static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4114_in_error_info, .get = snd_ak4114_in_error_get, - .private_value = offsetof(struct ak4114, qcrc_errors), + .private_value = AK4114_QCRC_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -581,13 +580,13 @@ int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags) rcs0 = reg_read(ak4114, AK4114_REG_RCS0); spin_lock_irqsave(&ak4114->lock, _flags); if (rcs0 & AK4114_PAR) - ak4114->parity_errors++; + ak4114->errors[AK4114_PARITY_ERRORS]++; if (rcs1 & AK4114_V) - ak4114->v_bit_errors++; + ak4114->errors[AK4114_V_BIT_ERRORS]++; if (rcs1 & AK4114_CCRC) - ak4114->ccrc_errors++; + ak4114->errors[AK4114_CCRC_ERRORS]++; if (rcs1 & AK4114_QCRC) - ak4114->qcrc_errors++; + ak4114->errors[AK4114_QCRC_ERRORS]++; c0 = (ak4114->rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK)) ^ (rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK)); c1 = (ak4114->rcs1 & 0xf0) ^ (rcs1 & 0xf0); diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c index 0702f05..3ab099f 100644 --- a/sound/i2c/other/ak4117.c +++ b/sound/i2c/other/ak4117.c @@ -168,12 +168,11 @@ static int snd_ak4117_in_error_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct ak4117 *chip = snd_kcontrol_chip(kcontrol); - long *ptr; spin_lock_irq(&chip->lock); - ptr = (long *)(((char *)chip) + kcontrol->private_value); - ucontrol->value.integer.value[0] = *ptr; - *ptr = 0; + ucontrol->value.integer.value[0] = + chip->errors[kcontrol->private_value]; + chip->errors[kcontrol->private_value] = 0; spin_unlock_irq(&chip->lock); return 0; } @@ -328,7 +327,7 @@ static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4117_in_error_info, .get = snd_ak4117_in_error_get, - .private_value = offsetof(struct ak4117, parity_errors), + .private_value = AK4117_PARITY_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -336,7 +335,7 @@ static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4117_in_error_info, .get = snd_ak4117_in_error_get, - .private_value = offsetof(struct ak4117, v_bit_errors), + .private_value = AK4117_V_BIT_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -344,7 +343,7 @@ static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4117_in_error_info, .get = snd_ak4117_in_error_get, - .private_value = offsetof(struct ak4117, ccrc_errors), + .private_value = AK4117_CCRC_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -352,7 +351,7 @@ static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4117_in_error_info, .get = snd_ak4117_in_error_get, - .private_value = offsetof(struct ak4117, qcrc_errors), + .private_value = AK4117_QCRC_ERRORS, }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, @@ -470,13 +469,13 @@ int snd_ak4117_check_rate_and_errors(struct ak4117 *ak4117, unsigned int flags) // printk(KERN_DEBUG "AK IRQ: rcs0 = 0x%x, rcs1 = 0x%x, rcs2 = 0x%x\n", rcs0, rcs1, rcs2); spin_lock_irqsave(&ak4117->lock, _flags); if (rcs0 & AK4117_PAR) - ak4117->parity_errors++; + ak4117->errors[AK4117_PARITY_ERRORS]++; if (rcs0 & AK4117_V) - ak4117->v_bit_errors++; + ak4117->errors[AK4117_V_BIT_ERRORS]++; if (rcs2 & AK4117_CCRC) - ak4117->ccrc_errors++; + ak4117->errors[AK4117_CCRC_ERRORS]++; if (rcs2 & AK4117_QCRC) - ak4117->qcrc_errors++; + ak4117->errors[AK4117_QCRC_ERRORS]++; c0 = (ak4117->rcs0 & (AK4117_QINT | AK4117_CINT | AK4117_STC | AK4117_AUDION | AK4117_AUTO | AK4117_UNLCK)) ^ (rcs0 & (AK4117_QINT | AK4117_CINT | AK4117_STC | AK4117_AUDION | AK4117_AUTO | AK4117_UNLCK)); c1 = (ak4117->rcs1 & (AK4117_DTSCD | AK4117_NPCM | AK4117_PEM | 0x0f)) ^ diff --git a/sound/isa/cmi8328.c b/sound/isa/cmi8328.c index 8e1756c..d09e456 100644 --- a/sound/isa/cmi8328.c +++ b/sound/isa/cmi8328.c @@ -26,7 +26,7 @@ MODULE_AUTHOR("Ondrej Zary <linux@rainbow-software.org>"); MODULE_DESCRIPTION("C-Media CMI8328"); MODULE_LICENSE("GPL"); -#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) +#if IS_ENABLED(CONFIG_GAMEPORT) #define SUPPORT_JOYSTICK 1 #endif diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c index 4490ee4..3cf9b13 100644 --- a/sound/isa/gus/gus_main.c +++ b/sound/isa/gus/gus_main.c @@ -82,7 +82,7 @@ static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el return change; } -static struct snd_kcontrol_new snd_gus_joystick_control = { +static const struct snd_kcontrol_new snd_gus_joystick_control = { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = "Joystick Speed", .info = snd_gus_joystick_info, diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c index 0650599..b9f6dcb 100644 --- a/sound/isa/gus/gus_pcm.c +++ b/sound/isa/gus/gus_pcm.c @@ -61,8 +61,6 @@ struct gus_pcm_private { int final_volume; }; -static int snd_gf1_pcm_use_dma = 1; - static void snd_gf1_pcm_block_change_ack(struct snd_gus_card * gus, void *private_data) { struct gus_pcm_private *pcmp = private_data; @@ -355,66 +353,83 @@ static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf, return 0; } -static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, - int voice, - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) +static int get_bpos(struct gus_pcm_private *pcmp, int voice, unsigned int pos, + unsigned int len) { - struct snd_pcm_runtime *runtime = substream->runtime; - struct gus_pcm_private *pcmp = runtime->private_data; - unsigned int bpos, len; - - bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); - len = samples_to_bytes(runtime, count); + unsigned int bpos = pos + (voice * (pcmp->dma_size / 2)); if (snd_BUG_ON(bpos > pcmp->dma_size)) return -EIO; if (snd_BUG_ON(bpos + len > pcmp->dma_size)) return -EIO; + return bpos; +} + +static int playback_copy_ack(struct snd_pcm_substream *substream, + unsigned int bpos, unsigned int len) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct gus_pcm_private *pcmp = runtime->private_data; + struct snd_gus_card *gus = pcmp->gus; + int w16, invert; + + if (len > 32) + return snd_gf1_pcm_block_change(substream, bpos, + pcmp->memory + bpos, len); + + w16 = (snd_pcm_format_width(runtime->format) == 16); + invert = snd_pcm_format_unsigned(runtime->format); + return snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, + pcmp->memory + bpos, len, w16, invert); +} + +static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, + int voice, unsigned long pos, + void __user *src, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct gus_pcm_private *pcmp = runtime->private_data; + unsigned int len = count; + int bpos; + + bpos = get_bpos(pcmp, voice, pos, len); + if (bpos < 0) + return pos; if (copy_from_user(runtime->dma_area + bpos, src, len)) return -EFAULT; - if (snd_gf1_pcm_use_dma && len > 32) { - return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); - } else { - struct snd_gus_card *gus = pcmp->gus; - int err, w16, invert; + return playback_copy_ack(substream, bpos, len); +} - w16 = (snd_pcm_format_width(runtime->format) == 16); - invert = snd_pcm_format_unsigned(runtime->format); - if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) - return err; - } - return 0; +static int snd_gf1_pcm_playback_copy_kernel(struct snd_pcm_substream *substream, + int voice, unsigned long pos, + void *src, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct gus_pcm_private *pcmp = runtime->private_data; + unsigned int len = count; + int bpos; + + bpos = get_bpos(pcmp, voice, pos, len); + if (bpos < 0) + return pos; + memcpy(runtime->dma_area + bpos, src, len); + return playback_copy_ack(substream, bpos, len); } static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream, - int voice, - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int voice, unsigned long pos, + unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; struct gus_pcm_private *pcmp = runtime->private_data; - unsigned int bpos, len; + unsigned int len = count; + int bpos; - bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); - len = samples_to_bytes(runtime, count); - if (snd_BUG_ON(bpos > pcmp->dma_size)) - return -EIO; - if (snd_BUG_ON(bpos + len > pcmp->dma_size)) - return -EIO; - snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, count); - if (snd_gf1_pcm_use_dma && len > 32) { - return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); - } else { - struct snd_gus_card *gus = pcmp->gus; - int err, w16, invert; - - w16 = (snd_pcm_format_width(runtime->format) == 16); - invert = snd_pcm_format_unsigned(runtime->format); - if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) - return err; - } - return 0; + bpos = get_bpos(pcmp, voice, pos, len); + if (bpos < 0) + return pos; + snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, + bytes_to_samples(runtime, count)); + return playback_copy_ack(substream, bpos, len); } static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, @@ -809,7 +824,7 @@ static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ return change; } -static struct snd_kcontrol_new snd_gf1_pcm_volume_control = +static const struct snd_kcontrol_new snd_gf1_pcm_volume_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", @@ -818,7 +833,7 @@ static struct snd_kcontrol_new snd_gf1_pcm_volume_control = .put = snd_gf1_pcm_volume_put }; -static struct snd_kcontrol_new snd_gf1_pcm_volume_control1 = +static const struct snd_kcontrol_new snd_gf1_pcm_volume_control1 = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "GPCM Playback Volume", @@ -836,8 +851,9 @@ static struct snd_pcm_ops snd_gf1_pcm_playback_ops = { .prepare = snd_gf1_pcm_playback_prepare, .trigger = snd_gf1_pcm_playback_trigger, .pointer = snd_gf1_pcm_playback_pointer, - .copy = snd_gf1_pcm_playback_copy, - .silence = snd_gf1_pcm_playback_silence, + .copy_user = snd_gf1_pcm_playback_copy, + .copy_kernel = snd_gf1_pcm_playback_copy_kernel, + .fill_silence = snd_gf1_pcm_playback_silence, }; static struct snd_pcm_ops snd_gf1_pcm_capture_ops = { diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c index ec18070..0b5c4cf 100644 --- a/sound/isa/sb/emu8000.c +++ b/sound/isa/sb/emu8000.c @@ -1138,7 +1138,7 @@ snd_emu8000_new(struct snd_card *card, int index, long port, int seq_ports, snd_emu8000_free(hw); return err; } -#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) +#if IS_REACHABLE(CONFIG_SND_SEQUENCER) if (snd_seq_device_new(card, index, SNDRV_SEQ_DEV_ID_EMU8000, sizeof(struct snd_emu8000*), &awe) >= 0) { strcpy(awe->name, "EMU-8000"); diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c index 32f234f..2ee8d67 100644 --- a/sound/isa/sb/emu8000_pcm.c +++ b/sound/isa/sb/emu8000_pcm.c @@ -422,143 +422,148 @@ do { \ return -EAGAIN;\ } while (0) +enum { + COPY_USER, COPY_KERNEL, FILL_SILENCE, +}; + +#define GET_VAL(sval, buf, mode) \ + do { \ + switch (mode) { \ + case FILL_SILENCE: \ + sval = 0; \ + break; \ + case COPY_KERNEL: \ + sval = *buf++; \ + break; \ + default: \ + if (get_user(sval, (unsigned short __user *)buf)) \ + return -EFAULT; \ + buf++; \ + break; \ + } \ + } while (0) #ifdef USE_NONINTERLEAVE + +#define LOOP_WRITE(rec, offset, _buf, count, mode) \ + do { \ + struct snd_emu8000 *emu = (rec)->emu; \ + unsigned short *buf = (unsigned short *)(_buf); \ + snd_emu8000_write_wait(emu, 1); \ + EMU8000_SMALW_WRITE(emu, offset); \ + while (count > 0) { \ + unsigned short sval; \ + CHECK_SCHEDULER(); \ + GET_VAL(sval, buf, mode); \ + EMU8000_SMLD_WRITE(emu, sval); \ + count--; \ + } \ + } while (0) + /* copy one channel block */ -static int emu8k_transfer_block(struct snd_emu8000 *emu, int offset, unsigned short *buf, int count) +static int emu8k_pcm_copy(struct snd_pcm_substream *subs, + int voice, unsigned long pos, + void __user *src, unsigned long count) { - EMU8000_SMALW_WRITE(emu, offset); - while (count > 0) { - unsigned short sval; - CHECK_SCHEDULER(); - if (get_user(sval, buf)) - return -EFAULT; - EMU8000_SMLD_WRITE(emu, sval); - buf++; - count--; - } + struct snd_emu8k_pcm *rec = subs->runtime->private_data; + + /* convert to word unit */ + pos = (pos << 1) + rec->loop_start[voice]; + count <<= 1; + LOOP_WRITE(rec, pos, src, count, COPY_UESR); return 0; } -static int emu8k_pcm_copy(struct snd_pcm_substream *subs, - int voice, - snd_pcm_uframes_t pos, - void *src, - snd_pcm_uframes_t count) +static int emu8k_pcm_copy_kernel(struct snd_pcm_substream *subs, + int voice, unsigned long pos, + void *src, unsigned long count) { struct snd_emu8k_pcm *rec = subs->runtime->private_data; - struct snd_emu8000 *emu = rec->emu; - - snd_emu8000_write_wait(emu, 1); - if (voice == -1) { - unsigned short *buf = src; - int i, err; - count /= rec->voices; - for (i = 0; i < rec->voices; i++) { - err = emu8k_transfer_block(emu, pos + rec->loop_start[i], buf, count); - if (err < 0) - return err; - buf += count; - } - return 0; - } else { - return emu8k_transfer_block(emu, pos + rec->loop_start[voice], src, count); - } -} -/* make a channel block silence */ -static int emu8k_silence_block(struct snd_emu8000 *emu, int offset, int count) -{ - EMU8000_SMALW_WRITE(emu, offset); - while (count > 0) { - CHECK_SCHEDULER(); - EMU8000_SMLD_WRITE(emu, 0); - count--; - } + /* convert to word unit */ + pos = (pos << 1) + rec->loop_start[voice]; + count <<= 1; + LOOP_WRITE(rec, pos, src, count, COPY_KERNEL); return 0; } +/* make a channel block silence */ static int emu8k_pcm_silence(struct snd_pcm_substream *subs, - int voice, - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int voice, unsigned long pos, unsigned long count) { struct snd_emu8k_pcm *rec = subs->runtime->private_data; - struct snd_emu8000 *emu = rec->emu; - - snd_emu8000_write_wait(emu, 1); - if (voice == -1 && rec->voices == 1) - voice = 0; - if (voice == -1) { - int err; - err = emu8k_silence_block(emu, pos + rec->loop_start[0], count / 2); - if (err < 0) - return err; - return emu8k_silence_block(emu, pos + rec->loop_start[1], count / 2); - } else { - return emu8k_silence_block(emu, pos + rec->loop_start[voice], count); - } + + /* convert to word unit */ + pos = (pos << 1) + rec->loop_start[voice]; + count <<= 1; + LOOP_WRITE(rec, pos, NULL, count, FILL_SILENCE); + return 0; } #else /* interleave */ +#define LOOP_WRITE(rec, pos, _buf, count, mode) \ + do { \ + struct snd_emu8000 *emu = rec->emu; \ + unsigned short *buf = (unsigned short *)(_buf); \ + snd_emu8000_write_wait(emu, 1); \ + EMU8000_SMALW_WRITE(emu, pos + rec->loop_start[0]); \ + if (rec->voices > 1) \ + EMU8000_SMARW_WRITE(emu, pos + rec->loop_start[1]); \ + while (count > 0) { \ + unsigned short sval; \ + CHECK_SCHEDULER(); \ + GET_VAL(sval, buf, mode); \ + EMU8000_SMLD_WRITE(emu, sval); \ + if (rec->voices > 1) { \ + CHECK_SCHEDULER(); \ + GET_VAL(sval, buf, mode); \ + EMU8000_SMRD_WRITE(emu, sval); \ + } \ + count--; \ + } \ + } while (0) + + /* * copy the interleaved data can be done easily by using * DMA "left" and "right" channels on emu8k engine. */ static int emu8k_pcm_copy(struct snd_pcm_substream *subs, - int voice, - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) + int voice, unsigned long pos, + void __user *src, unsigned long count) { struct snd_emu8k_pcm *rec = subs->runtime->private_data; - struct snd_emu8000 *emu = rec->emu; - unsigned short __user *buf = src; - snd_emu8000_write_wait(emu, 1); - EMU8000_SMALW_WRITE(emu, pos + rec->loop_start[0]); - if (rec->voices > 1) - EMU8000_SMARW_WRITE(emu, pos + rec->loop_start[1]); - - while (count-- > 0) { - unsigned short sval; - CHECK_SCHEDULER(); - if (get_user(sval, buf)) - return -EFAULT; - EMU8000_SMLD_WRITE(emu, sval); - buf++; - if (rec->voices > 1) { - CHECK_SCHEDULER(); - if (get_user(sval, buf)) - return -EFAULT; - EMU8000_SMRD_WRITE(emu, sval); - buf++; - } - } + /* convert to frames */ + pos = bytes_to_frames(subs->runtime, pos); + count = bytes_to_frames(subs->runtime, count); + LOOP_WRITE(rec, pos, src, count, COPY_USER); + return 0; +} + +static int emu8k_pcm_copy_kernel(struct snd_pcm_substream *subs, + int voice, unsigned long pos, + void *src, unsigned long count) +{ + struct snd_emu8k_pcm *rec = subs->runtime->private_data; + + /* convert to frames */ + pos = bytes_to_frames(subs->runtime, pos); + count = bytes_to_frames(subs->runtime, count); + LOOP_WRITE(rec, pos, src, count, COPY_KERNEL); return 0; } static int emu8k_pcm_silence(struct snd_pcm_substream *subs, - int voice, - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int voice, unsigned long pos, unsigned long count) { struct snd_emu8k_pcm *rec = subs->runtime->private_data; - struct snd_emu8000 *emu = rec->emu; - snd_emu8000_write_wait(emu, 1); - EMU8000_SMALW_WRITE(emu, rec->loop_start[0] + pos); - if (rec->voices > 1) - EMU8000_SMARW_WRITE(emu, rec->loop_start[1] + pos); - while (count-- > 0) { - CHECK_SCHEDULER(); - EMU8000_SMLD_WRITE(emu, 0); - if (rec->voices > 1) { - CHECK_SCHEDULER(); - EMU8000_SMRD_WRITE(emu, 0); - } - } + /* convert to frames */ + pos = bytes_to_frames(subs->runtime, pos); + count = bytes_to_frames(subs->runtime, count); + LOOP_WRITE(rec, pos, NULL, count, FILL_SILENCE); return 0; } #endif @@ -674,8 +679,9 @@ static struct snd_pcm_ops emu8k_pcm_ops = { .prepare = emu8k_pcm_prepare, .trigger = emu8k_pcm_trigger, .pointer = emu8k_pcm_pointer, - .copy = emu8k_pcm_copy, - .silence = emu8k_pcm_silence, + .copy_user = emu8k_pcm_copy, + .copy_kernel = emu8k_pcm_copy_kernel, + .fill_silence = emu8k_pcm_silence, }; diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c index 3b2e4f4..31ab09b 100644 --- a/sound/isa/sb/sb16.c +++ b/sound/isa/sb/sb16.c @@ -62,7 +62,7 @@ MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32}," #define SNDRV_DEBUG_IRQ #endif -#if defined(SNDRV_SBAWE) && (defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))) +#if defined(SNDRV_SBAWE) && IS_REACHABLE(CONFIG_SND_SEQUENCER) #define SNDRV_SBAWE_EMU8000 #endif diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index 48da227..fa5780b 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -1029,7 +1029,7 @@ static int snd_sb_qsound_space_put(struct snd_kcontrol *kcontrol, struct snd_ctl return change; } -static struct snd_kcontrol_new snd_sb_qsound_switch = { +static const struct snd_kcontrol_new snd_sb_qsound_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "3D Control - Switch", .info = snd_sb_qsound_switch_info, @@ -1037,7 +1037,7 @@ static struct snd_kcontrol_new snd_sb_qsound_switch = { .put = snd_sb_qsound_switch_put }; -static struct snd_kcontrol_new snd_sb_qsound_space = { +static const struct snd_kcontrol_new snd_sb_qsound_space = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "3D Control - Space", .info = snd_sb_qsound_space_info, diff --git a/sound/isa/sb/sb16_main.c b/sound/isa/sb/sb16_main.c index 8b2d6c6..4be1350 100644 --- a/sound/isa/sb/sb16_main.c +++ b/sound/isa/sb/sb16_main.c @@ -737,7 +737,7 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct return change; } -static struct snd_kcontrol_new snd_sb16_dma_control = { +static const struct snd_kcontrol_new snd_sb16_dma_control = { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = "16-bit DMA Allocation", .info = snd_sb16_dma_control_info, diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c index 54f5758a..1cd2908 100644 --- a/sound/isa/sscape.c +++ b/sound/isa/sscape.c @@ -671,7 +671,7 @@ __skip_change: return change; } -static struct snd_kcontrol_new midi_mixer_ctl = { +static const struct snd_kcontrol_new midi_mixer_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "MIDI", .info = sscape_midi_info, diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c index 00fc924..6505deb 100644 --- a/sound/mips/hal2.c +++ b/sound/mips/hal2.c @@ -264,7 +264,7 @@ static int hal2_gain_put(struct snd_kcontrol *kcontrol, return old != new; } -static struct snd_kcontrol_new hal2_ctrl_headphone = { +static const struct snd_kcontrol_new hal2_ctrl_headphone = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Playback Volume", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -274,7 +274,7 @@ static struct snd_kcontrol_new hal2_ctrl_headphone = { .put = hal2_gain_put, }; -static struct snd_kcontrol_new hal2_ctrl_mic = { +static const struct snd_kcontrol_new hal2_ctrl_mic = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Mic Capture Volume", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -616,10 +616,9 @@ static int hal2_playback_ack(struct snd_pcm_substream *substream) struct hal2_codec *dac = &hal2->dac; dac->pcm_indirect.hw_queue_size = H2_BUF_SIZE / 2; - snd_pcm_indirect_playback_transfer(substream, - &dac->pcm_indirect, - hal2_playback_transfer); - return 0; + return snd_pcm_indirect_playback_transfer(substream, + &dac->pcm_indirect, + hal2_playback_transfer); } static int hal2_capture_open(struct snd_pcm_substream *substream) @@ -707,10 +706,9 @@ static int hal2_capture_ack(struct snd_pcm_substream *substream) struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream); struct hal2_codec *adc = &hal2->adc; - snd_pcm_indirect_capture_transfer(substream, - &adc->pcm_indirect, - hal2_capture_transfer); - return 0; + return snd_pcm_indirect_capture_transfer(substream, + &adc->pcm_indirect, + hal2_capture_transfer); } static struct snd_pcm_ops hal2_playback_ops = { diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c index f07aa39..0ebc1c3 100644 --- a/sound/mips/sgio2audio.c +++ b/sound/mips/sgio2audio.c @@ -230,7 +230,7 @@ static int sgio2audio_source_put(struct snd_kcontrol *kcontrol, } /* dac1/pcm0 mixer control */ -static struct snd_kcontrol_new sgio2audio_ctrl_pcm0 = { +static const struct snd_kcontrol_new sgio2audio_ctrl_pcm0 = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", .index = 0, @@ -242,7 +242,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_pcm0 = { }; /* dac2/pcm1 mixer control */ -static struct snd_kcontrol_new sgio2audio_ctrl_pcm1 = { +static const struct snd_kcontrol_new sgio2audio_ctrl_pcm1 = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", .index = 1, @@ -254,7 +254,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_pcm1 = { }; /* record level mixer control */ -static struct snd_kcontrol_new sgio2audio_ctrl_reclevel = { +static const struct snd_kcontrol_new sgio2audio_ctrl_reclevel = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Volume", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -265,7 +265,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_reclevel = { }; /* record level source control */ -static struct snd_kcontrol_new sgio2audio_ctrl_recsource = { +static const struct snd_kcontrol_new sgio2audio_ctrl_recsource = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -275,7 +275,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_recsource = { }; /* line mixer control */ -static struct snd_kcontrol_new sgio2audio_ctrl_line = { +static const struct snd_kcontrol_new sgio2audio_ctrl_line = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line Playback Volume", .index = 0, @@ -287,7 +287,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_line = { }; /* cd mixer control */ -static struct snd_kcontrol_new sgio2audio_ctrl_cd = { +static const struct snd_kcontrol_new sgio2audio_ctrl_cd = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line Playback Volume", .index = 1, @@ -299,7 +299,7 @@ static struct snd_kcontrol_new sgio2audio_ctrl_cd = { }; /* mic mixer control */ -static struct snd_kcontrol_new sgio2audio_ctrl_mic = { +static const struct snd_kcontrol_new sgio2audio_ctrl_mic = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Mic Playback Volume", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index f870697..ee7ba4b 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -1296,7 +1296,7 @@ static void snd_cs4281_free_gameport(struct cs4281 *chip) #else static inline int snd_cs4281_create_gameport(struct cs4281 *chip) { return -ENOSYS; } static inline void snd_cs4281_free_gameport(struct cs4281 *chip) { } -#endif /* CONFIG_GAMEPORT || (MODULE && CONFIG_GAMEPORT_MODULE) */ +#endif /* IS_REACHABLE(CONFIG_GAMEPORT) */ static int snd_cs4281_free(struct cs4281 *chip) { diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c index e4cf318..ae2aad5 100644 --- a/sound/pci/cs46xx/cs46xx_lib.c +++ b/sound/pci/cs46xx/cs46xx_lib.c @@ -887,8 +887,8 @@ static int snd_cs46xx_playback_transfer(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_cs46xx_pcm * cpcm = runtime->private_data; - snd_pcm_indirect_playback_transfer(substream, &cpcm->pcm_rec, snd_cs46xx_pb_trans_copy); - return 0; + return snd_pcm_indirect_playback_transfer(substream, &cpcm->pcm_rec, + snd_cs46xx_pb_trans_copy); } static void snd_cs46xx_cp_trans_copy(struct snd_pcm_substream *substream, @@ -903,8 +903,8 @@ static void snd_cs46xx_cp_trans_copy(struct snd_pcm_substream *substream, static int snd_cs46xx_capture_transfer(struct snd_pcm_substream *substream) { struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); - snd_pcm_indirect_capture_transfer(substream, &chip->capt.pcm_rec, snd_cs46xx_cp_trans_copy); - return 0; + return snd_pcm_indirect_capture_transfer(substream, &chip->capt.pcm_rec, + snd_cs46xx_cp_trans_copy); } static snd_pcm_uframes_t snd_cs46xx_playback_direct_pointer(struct snd_pcm_substream *substream) @@ -2371,7 +2371,7 @@ static int snd_cs46xx_front_dup_put(struct snd_kcontrol *kcontrol, ucontrol->value.integer.value[0] ? 0 : 0x200); } -static struct snd_kcontrol_new snd_cs46xx_front_dup_ctl = { +static const struct snd_kcontrol_new snd_cs46xx_front_dup_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Duplicate Front", .info = snd_mixer_boolean_info, diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 56fc47b..dc58595 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -311,21 +311,6 @@ static const u32 onoff_table[2] = { }; /* - */ - -static inline mm_segment_t snd_enter_user(void) -{ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); - return fs; -} - -static inline void snd_leave_user(mm_segment_t fs) -{ - set_fs(fs); -} - -/* * controls */ @@ -538,7 +523,8 @@ unsigned int snd_emu10k1_efx_read(struct snd_emu10k1 *emu, unsigned int pc) } static int snd_emu10k1_gpr_poke(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { int gpr; u32 val; @@ -546,7 +532,9 @@ static int snd_emu10k1_gpr_poke(struct snd_emu10k1 *emu, for (gpr = 0; gpr < (emu->audigy ? 0x200 : 0x100); gpr++) { if (!test_bit(gpr, icode->gpr_valid)) continue; - if (get_user(val, &icode->gpr_map[gpr])) + if (in_kernel) + val = *(u32 *)&icode->gpr_map[gpr]; + else if (get_user(val, &icode->gpr_map[gpr])) return -EFAULT; snd_emu10k1_ptr_write(emu, emu->gpr_base + gpr, 0, val); } @@ -569,7 +557,8 @@ static int snd_emu10k1_gpr_peek(struct snd_emu10k1 *emu, } static int snd_emu10k1_tram_poke(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { int tram; u32 addr, val; @@ -577,9 +566,14 @@ static int snd_emu10k1_tram_poke(struct snd_emu10k1 *emu, for (tram = 0; tram < (emu->audigy ? 0x100 : 0xa0); tram++) { if (!test_bit(tram, icode->tram_valid)) continue; - if (get_user(val, &icode->tram_data_map[tram]) || - get_user(addr, &icode->tram_addr_map[tram])) - return -EFAULT; + if (in_kernel) { + val = *(u32 *)&icode->tram_data_map[tram]; + addr = *(u32 *)&icode->tram_addr_map[tram]; + } else { + if (get_user(val, &icode->tram_data_map[tram]) || + get_user(addr, &icode->tram_addr_map[tram])) + return -EFAULT; + } snd_emu10k1_ptr_write(emu, TANKMEMDATAREGBASE + tram, 0, val); if (!emu->audigy) { snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + tram, 0, addr); @@ -615,16 +609,22 @@ static int snd_emu10k1_tram_peek(struct snd_emu10k1 *emu, } static int snd_emu10k1_code_poke(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { u32 pc, lo, hi; for (pc = 0; pc < (emu->audigy ? 2*1024 : 2*512); pc += 2) { if (!test_bit(pc / 2, icode->code_valid)) continue; - if (get_user(lo, &icode->code[pc + 0]) || - get_user(hi, &icode->code[pc + 1])) - return -EFAULT; + if (in_kernel) { + lo = *(u32 *)&icode->code[pc + 0]; + hi = *(u32 *)&icode->code[pc + 1]; + } else { + if (get_user(lo, &icode->code[pc + 0]) || + get_user(hi, &icode->code[pc + 1])) + return -EFAULT; + } snd_emu10k1_efx_write(emu, pc + 0, lo); snd_emu10k1_efx_write(emu, pc + 1, hi); } @@ -665,14 +665,16 @@ snd_emu10k1_look_for_ctl(struct snd_emu10k1 *emu, struct snd_ctl_elem_id *id) #define MAX_TLV_SIZE 256 -static unsigned int *copy_tlv(const unsigned int __user *_tlv) +static unsigned int *copy_tlv(const unsigned int __user *_tlv, bool in_kernel) { unsigned int data[2]; unsigned int *tlv; if (!_tlv) return NULL; - if (copy_from_user(data, _tlv, sizeof(data))) + if (in_kernel) + memcpy(data, (void *)_tlv, sizeof(data)); + else if (copy_from_user(data, _tlv, sizeof(data))) return NULL; if (data[1] >= MAX_TLV_SIZE) return NULL; @@ -680,7 +682,9 @@ static unsigned int *copy_tlv(const unsigned int __user *_tlv) if (!tlv) return NULL; memcpy(tlv, data, sizeof(data)); - if (copy_from_user(tlv + 2, _tlv + 2, data[1])) { + if (in_kernel) { + memcpy(tlv + 2, (void *)(_tlv + 2), data[1]); + } else if (copy_from_user(tlv + 2, _tlv + 2, data[1])) { kfree(tlv); return NULL; } @@ -690,7 +694,7 @@ static unsigned int *copy_tlv(const unsigned int __user *_tlv) static int copy_gctl(struct snd_emu10k1 *emu, struct snd_emu10k1_fx8010_control_gpr *gctl, struct snd_emu10k1_fx8010_control_gpr __user *_gctl, - int idx) + int idx, bool in_kernel) { struct snd_emu10k1_fx8010_control_old_gpr __user *octl; @@ -718,7 +722,8 @@ static int copy_gctl_to_user(struct snd_emu10k1 *emu, } static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { unsigned int i; struct snd_ctl_elem_id __user *_id; @@ -728,7 +733,9 @@ static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu, for (i = 0, _id = icode->gpr_del_controls; i < icode->gpr_del_control_count; i++, _id++) { - if (copy_from_user(&id, _id, sizeof(id))) + if (in_kernel) + id = *(struct snd_ctl_elem_id *)_id; + else if (copy_from_user(&id, _id, sizeof(id))) return -EFAULT; if (snd_emu10k1_look_for_ctl(emu, &id) == NULL) return -ENOENT; @@ -738,7 +745,8 @@ static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu, return -ENOMEM; err = 0; for (i = 0; i < icode->gpr_add_control_count; i++) { - if (copy_gctl(emu, gctl, icode->gpr_add_controls, i)) { + if (copy_gctl(emu, gctl, icode->gpr_add_controls, i, + in_kernel)) { err = -EFAULT; goto __error; } @@ -759,7 +767,8 @@ static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu, } for (i = 0; i < icode->gpr_list_control_count; i++) { /* FIXME: we need to check the WRITE access */ - if (copy_gctl(emu, gctl, icode->gpr_list_controls, i)) { + if (copy_gctl(emu, gctl, icode->gpr_list_controls, i, + in_kernel)) { err = -EFAULT; goto __error; } @@ -781,7 +790,8 @@ static void snd_emu10k1_ctl_private_free(struct snd_kcontrol *kctl) } static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { unsigned int i, j; struct snd_emu10k1_fx8010_control_gpr *gctl; @@ -800,7 +810,8 @@ static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, } for (i = 0; i < icode->gpr_add_control_count; i++) { - if (copy_gctl(emu, gctl, icode->gpr_add_controls, i)) { + if (copy_gctl(emu, gctl, icode->gpr_add_controls, i, + in_kernel)) { err = -EFAULT; goto __error; } @@ -821,7 +832,7 @@ static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, knew.device = gctl->id.device; knew.subdevice = gctl->id.subdevice; knew.info = snd_emu10k1_gpr_ctl_info; - knew.tlv.p = copy_tlv(gctl->tlv); + knew.tlv.p = copy_tlv(gctl->tlv, in_kernel); if (knew.tlv.p) knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ; @@ -873,7 +884,8 @@ static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, } static int snd_emu10k1_del_controls(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { unsigned int i; struct snd_ctl_elem_id id; @@ -883,7 +895,9 @@ static int snd_emu10k1_del_controls(struct snd_emu10k1 *emu, for (i = 0, _id = icode->gpr_del_controls; i < icode->gpr_del_control_count; i++, _id++) { - if (copy_from_user(&id, _id, sizeof(id))) + if (in_kernel) + id = *(struct snd_ctl_elem_id *)_id; + else if (copy_from_user(&id, _id, sizeof(id))) return -EFAULT; down_write(&card->controls_rwsem); ctl = snd_emu10k1_look_for_ctl(emu, &id); @@ -941,12 +955,14 @@ static int snd_emu10k1_list_controls(struct snd_emu10k1 *emu, } static int snd_emu10k1_icode_poke(struct snd_emu10k1 *emu, - struct snd_emu10k1_fx8010_code *icode) + struct snd_emu10k1_fx8010_code *icode, + bool in_kernel) { int err = 0; mutex_lock(&emu->fx8010.lock); - if ((err = snd_emu10k1_verify_controls(emu, icode)) < 0) + err = snd_emu10k1_verify_controls(emu, icode, in_kernel); + if (err < 0) goto __error; strlcpy(emu->fx8010.name, icode->name, sizeof(emu->fx8010.name)); /* stop FX processor - this may be dangerous, but it's better to miss @@ -956,11 +972,20 @@ static int snd_emu10k1_icode_poke(struct snd_emu10k1 *emu, else snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg | EMU10K1_DBG_SINGLE_STEP); /* ok, do the main job */ - if ((err = snd_emu10k1_del_controls(emu, icode)) < 0 || - (err = snd_emu10k1_gpr_poke(emu, icode)) < 0 || - (err = snd_emu10k1_tram_poke(emu, icode)) < 0 || - (err = snd_emu10k1_code_poke(emu, icode)) < 0 || - (err = snd_emu10k1_add_controls(emu, icode)) < 0) + err = snd_emu10k1_del_controls(emu, icode, in_kernel); + if (err < 0) + goto __error; + err = snd_emu10k1_gpr_poke(emu, icode, in_kernel); + if (err < 0) + goto __error; + err = snd_emu10k1_tram_poke(emu, icode, in_kernel); + if (err < 0) + goto __error; + err = snd_emu10k1_code_poke(emu, icode, in_kernel); + if (err < 0) + goto __error; + err = snd_emu10k1_add_controls(emu, icode, in_kernel); + if (err < 0) goto __error; /* start FX processor when the DSP code is updated */ if (emu->audigy) @@ -1179,7 +1204,6 @@ static int _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu) struct snd_emu10k1_fx8010_code *icode = NULL; struct snd_emu10k1_fx8010_control_gpr *controls = NULL, *ctl; u32 *gpr_map; - mm_segment_t seg; err = -ENOMEM; icode = kzalloc(sizeof(*icode), GFP_KERNEL); @@ -1739,13 +1763,11 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input)) while (ptr < 0x400) A_OP(icode, &ptr, 0x0f, 0xc0, 0xc0, 0xcf, 0xc0); - seg = snd_enter_user(); icode->gpr_add_control_count = nctl; icode->gpr_add_controls = (struct snd_emu10k1_fx8010_control_gpr __user *)controls; emu->support_tlv = 1; /* support TLV */ - err = snd_emu10k1_icode_poke(emu, icode); + err = snd_emu10k1_icode_poke(emu, icode, true); emu->support_tlv = 0; /* clear again */ - snd_leave_user(seg); __err: kfree(controls); @@ -1817,7 +1839,6 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) struct snd_emu10k1_fx8010_pcm_rec *ipcm = NULL; struct snd_emu10k1_fx8010_control_gpr *controls = NULL, *ctl; u32 *gpr_map; - mm_segment_t seg; err = -ENOMEM; icode = kzalloc(sizeof(*icode), GFP_KERNEL); @@ -2368,13 +2389,11 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) if ((err = snd_emu10k1_fx8010_tram_setup(emu, ipcm->buffer_size)) < 0) goto __err; - seg = snd_enter_user(); icode->gpr_add_control_count = i; icode->gpr_add_controls = (struct snd_emu10k1_fx8010_control_gpr __user *)controls; emu->support_tlv = 1; /* support TLV */ - err = snd_emu10k1_icode_poke(emu, icode); + err = snd_emu10k1_icode_poke(emu, icode, true); emu->support_tlv = 0; /* clear again */ - snd_leave_user(seg); if (err >= 0) err = snd_emu10k1_ipcm_poke(emu, ipcm); __err: @@ -2537,7 +2556,7 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un icode = memdup_user(argp, sizeof(*icode)); if (IS_ERR(icode)) return PTR_ERR(icode); - res = snd_emu10k1_icode_poke(emu, icode); + res = snd_emu10k1_icode_poke(emu, icode, false); kfree(icode); return res; case SNDRV_EMU10K1_IOCTL_CODE_PEEK: diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index ef1cf53..bdda29f 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -1632,8 +1632,8 @@ static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substr struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; - snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); - return 0; + return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, + fx8010_pb_trans_copy); } static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index e8d9430..a544cd5 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -839,15 +839,12 @@ static snd_pcm_uframes_t snd_es1938_playback_pointer(struct snd_pcm_substream *s } static int snd_es1938_capture_copy(struct snd_pcm_substream *substream, - int channel, - snd_pcm_uframes_t pos, - void __user *dst, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *dst, unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; struct es1938 *chip = snd_pcm_substream_chip(substream); - pos <<= chip->dma1_shift; - count <<= chip->dma1_shift; + if (snd_BUG_ON(pos + count > chip->dma1_size)) return -EINVAL; if (pos + count < chip->dma1_size) { @@ -856,12 +853,31 @@ static int snd_es1938_capture_copy(struct snd_pcm_substream *substream, } else { if (copy_to_user(dst, runtime->dma_area + pos + 1, count - 1)) return -EFAULT; - if (put_user(runtime->dma_area[0], ((unsigned char __user *)dst) + count - 1)) + if (put_user(runtime->dma_area[0], + ((unsigned char __user *)dst) + count - 1)) return -EFAULT; } return 0; } +static int snd_es1938_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct es1938 *chip = snd_pcm_substream_chip(substream); + + if (snd_BUG_ON(pos + count > chip->dma1_size)) + return -EINVAL; + if (pos + count < chip->dma1_size) { + memcpy(dst, runtime->dma_area + pos + 1, count); + } else { + memcpy(dst, runtime->dma_area + pos + 1, count - 1); + runtime->dma_area[0] = *((unsigned char *)dst + count - 1); + } + return 0; +} + /* * buffer management */ @@ -1012,7 +1028,8 @@ static const struct snd_pcm_ops snd_es1938_capture_ops = { .prepare = snd_es1938_capture_prepare, .trigger = snd_es1938_capture_trigger, .pointer = snd_es1938_capture_pointer, - .copy = snd_es1938_capture_copy, + .copy_user = snd_es1938_capture_copy, + .copy_kernel = snd_es1938_capture_copy_kernel, }; static int snd_es1938_new_pcm(struct es1938 *chip, int device) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 70bb365..821aad3 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -19,13 +19,11 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/mm.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/mutex.h> #include <linux/module.h> -#include <linux/async.h> #include <linux/pm.h> #include <linux/pm_runtime.h> #include <sound/core.h> @@ -1477,18 +1475,8 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, } EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put); -/** - * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume - * @kcontrol: ctl element - * @op_flag: operation flag - * @size: byte size of input TLV - * @_tlv: TLV data - * - * The control element is supposed to have the private_value field - * set up via HDA_COMPOSE_AMP_VAL*() or related macros. - */ -int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, - unsigned int size, unsigned int __user *_tlv) +/* inquiry the amp caps and convert to TLV */ +static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = get_amp_nid(kcontrol); @@ -1497,8 +1485,6 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, bool min_mute = get_amp_min_mute(kcontrol); u32 caps, val1, val2; - if (size < 4 * sizeof(unsigned int)) - return -ENOMEM; caps = query_amp_caps(codec, nid, dir); val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; val2 = (val2 + 1) * 25; @@ -1507,13 +1493,31 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, val1 = ((int)val1) * ((int)val2); if (min_mute || (caps & AC_AMPCAP_MIN_MUTE)) val2 |= TLV_DB_SCALE_MUTE; - if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv)) - return -EFAULT; - if (put_user(2 * sizeof(unsigned int), _tlv + 1)) - return -EFAULT; - if (put_user(val1, _tlv + 2)) - return -EFAULT; - if (put_user(val2, _tlv + 3)) + tlv[0] = SNDRV_CTL_TLVT_DB_SCALE; + tlv[1] = 2 * sizeof(unsigned int); + tlv[2] = val1; + tlv[3] = val2; +} + +/** + * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume + * @kcontrol: ctl element + * @op_flag: operation flag + * @size: byte size of input TLV + * @_tlv: TLV data + * + * The control element is supposed to have the private_value field + * set up via HDA_COMPOSE_AMP_VAL*() or related macros. + */ +int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, + unsigned int size, unsigned int __user *_tlv) +{ + unsigned int tlv[4]; + + if (size < 4 * sizeof(unsigned int)) + return -ENOMEM; + get_ctl_amp_tlv(kcontrol, tlv); + if (copy_to_user(_tlv, tlv, sizeof(tlv))) return -EFAULT; return 0; } @@ -1807,13 +1811,10 @@ static int get_kctl_0dB_offset(struct hda_codec *codec, const int *tlv = NULL; int val = -1; - if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { - /* FIXME: set_fs() hack for obtaining user-space TLV data */ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); - if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv)) - tlv = _tlv; - set_fs(fs); + if ((kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) && + kctl->tlv.c == snd_hda_mixer_amp_tlv) { + get_ctl_amp_tlv(kctl, _tlv); + tlv = _tlv; } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) tlv = kctl->tlv.p; if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) { @@ -2118,196 +2119,6 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put); /* - * bound volume controls - * - * bind multiple volumes (# indices, from 0) - */ - -#define AMP_VAL_IDX_SHIFT 19 -#define AMP_VAL_IDX_MASK (0x0f<<19) - -/** - * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control - * @kcontrol: ctl element - * @ucontrol: pointer to get/store the data - * - * The control element is supposed to have the private_value field - * set up via HDA_BIND_MUTE*() macros. - */ -int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned long pval; - int err; - - mutex_lock(&codec->control_mutex); - pval = kcontrol->private_value; - kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ - err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); - kcontrol->private_value = pval; - mutex_unlock(&codec->control_mutex); - return err; -} -EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_switch_get); - -/** - * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control - * @kcontrol: ctl element - * @ucontrol: pointer to get/store the data - * - * The control element is supposed to have the private_value field - * set up via HDA_BIND_MUTE*() macros. - */ -int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned long pval; - int i, indices, err = 0, change = 0; - - mutex_lock(&codec->control_mutex); - pval = kcontrol->private_value; - indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; - for (i = 0; i < indices; i++) { - kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | - (i << AMP_VAL_IDX_SHIFT); - err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); - if (err < 0) - break; - change |= err; - } - kcontrol->private_value = pval; - mutex_unlock(&codec->control_mutex); - return err < 0 ? err : change; -} -EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_switch_put); - -/** - * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control - * @kcontrol: referred ctl element - * @uinfo: pointer to get/store the data - * - * The control element is supposed to have the private_value field - * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. - */ -int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_bind_ctls *c; - int err; - - mutex_lock(&codec->control_mutex); - c = (struct hda_bind_ctls *)kcontrol->private_value; - kcontrol->private_value = *c->values; - err = c->ops->info(kcontrol, uinfo); - kcontrol->private_value = (long)c; - mutex_unlock(&codec->control_mutex); - return err; -} -EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_ctls_info); - -/** - * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control - * @kcontrol: ctl element - * @ucontrol: pointer to get/store the data - * - * The control element is supposed to have the private_value field - * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. - */ -int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_bind_ctls *c; - int err; - - mutex_lock(&codec->control_mutex); - c = (struct hda_bind_ctls *)kcontrol->private_value; - kcontrol->private_value = *c->values; - err = c->ops->get(kcontrol, ucontrol); - kcontrol->private_value = (long)c; - mutex_unlock(&codec->control_mutex); - return err; -} -EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_ctls_get); - -/** - * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control - * @kcontrol: ctl element - * @ucontrol: pointer to get/store the data - * - * The control element is supposed to have the private_value field - * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. - */ -int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_bind_ctls *c; - unsigned long *vals; - int err = 0, change = 0; - - mutex_lock(&codec->control_mutex); - c = (struct hda_bind_ctls *)kcontrol->private_value; - for (vals = c->values; *vals; vals++) { - kcontrol->private_value = *vals; - err = c->ops->put(kcontrol, ucontrol); - if (err < 0) - break; - change |= err; - } - kcontrol->private_value = (long)c; - mutex_unlock(&codec->control_mutex); - return err < 0 ? err : change; -} -EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_ctls_put); - -/** - * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control - * @kcontrol: ctl element - * @op_flag: operation flag - * @size: byte size of input TLV - * @tlv: TLV data - * - * The control element is supposed to have the private_value field - * set up via HDA_BIND_VOL() macro. - */ -int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, - unsigned int size, unsigned int __user *tlv) -{ - struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - struct hda_bind_ctls *c; - int err; - - mutex_lock(&codec->control_mutex); - c = (struct hda_bind_ctls *)kcontrol->private_value; - kcontrol->private_value = *c->values; - err = c->ops->tlv(kcontrol, op_flag, size, tlv); - kcontrol->private_value = (long)c; - mutex_unlock(&codec->control_mutex); - return err; -} -EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_tlv); - -struct hda_ctl_ops snd_hda_bind_vol = { - .info = snd_hda_mixer_amp_volume_info, - .get = snd_hda_mixer_amp_volume_get, - .put = snd_hda_mixer_amp_volume_put, - .tlv = snd_hda_mixer_amp_tlv -}; -EXPORT_SYMBOL_GPL(snd_hda_bind_vol); - -struct hda_ctl_ops snd_hda_bind_sw = { - .info = snd_hda_mixer_amp_switch_info, - .get = snd_hda_mixer_amp_switch_get, - .put = snd_hda_mixer_amp_switch_put, - .tlv = snd_hda_mixer_amp_tlv -}; -EXPORT_SYMBOL_GPL(snd_hda_bind_sw); - -/* * SPDIF out controls */ diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 2842c82..557ecfc 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -948,6 +948,8 @@ static void resume_path_from_idx(struct hda_codec *codec, int path_idx) static int hda_gen_mixer_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); +static int hda_gen_bind_mute_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); static int hda_gen_bind_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); @@ -970,7 +972,7 @@ static const struct snd_kcontrol_new control_templates[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .info = snd_hda_mixer_amp_switch_info, - .get = snd_hda_mixer_bind_switch_get, + .get = hda_gen_bind_mute_get, .put = hda_gen_bind_mute_put, /* replaced */ .private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0), }, @@ -1101,11 +1103,51 @@ static int hda_gen_mixer_mute_put(struct snd_kcontrol *kcontrol, return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); } +/* + * Bound mute controls + */ +#define AMP_VAL_IDX_SHIFT 19 +#define AMP_VAL_IDX_MASK (0x0f<<19) + +static int hda_gen_bind_mute_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned long pval; + int err; + + mutex_lock(&codec->control_mutex); + pval = kcontrol->private_value; + kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ + err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); + kcontrol->private_value = pval; + mutex_unlock(&codec->control_mutex); + return err; +} + static int hda_gen_bind_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned long pval; + int i, indices, err = 0, change = 0; + sync_auto_mute_bits(kcontrol, ucontrol); - return snd_hda_mixer_bind_switch_put(kcontrol, ucontrol); + + mutex_lock(&codec->control_mutex); + pval = kcontrol->private_value; + indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; + for (i = 0; i < indices; i++) { + kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | + (i << AMP_VAL_IDX_SHIFT); + err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); + if (err < 0) + break; + change |= err; + } + kcontrol->private_value = pval; + mutex_unlock(&codec->control_mutex); + return err < 0 ? err : change; } /* any ctl assigned to the path with the given index? */ diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index d0e066e..5b5c324 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -178,67 +178,6 @@ void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook); #define HDA_AMP_UNMUTE 0x00 #define HDA_AMP_VOLMASK 0x7f -/* mono switch binding multiple inputs */ -#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \ - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \ - .info = snd_hda_mixer_amp_switch_info, \ - .get = snd_hda_mixer_bind_switch_get, \ - .put = snd_hda_mixer_bind_switch_put, \ - .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) } - -/* stereo switch binding multiple inputs */ -#define HDA_BIND_MUTE(xname,nid,indices,dir) \ - HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir) - -int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol); -int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol); - -/* more generic bound controls */ -struct hda_ctl_ops { - snd_kcontrol_info_t *info; - snd_kcontrol_get_t *get; - snd_kcontrol_put_t *put; - snd_kcontrol_tlv_rw_t *tlv; -}; - -extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */ -extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */ - -struct hda_bind_ctls { - struct hda_ctl_ops *ops; - unsigned long values[]; -}; - -int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo); -int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol); -int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol); -int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, - unsigned int size, unsigned int __user *tlv); - -#define HDA_BIND_VOL(xname, bindrec) \ - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .name = xname, \ - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\ - SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ - SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\ - .info = snd_hda_mixer_bind_ctls_info,\ - .get = snd_hda_mixer_bind_ctls_get,\ - .put = snd_hda_mixer_bind_ctls_put,\ - .tlv = { .c = snd_hda_mixer_bind_tlv },\ - .private_value = (long) (bindrec) } -#define HDA_BIND_SW(xname, bindrec) \ - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ - .name = xname, \ - .info = snd_hda_mixer_bind_ctls_info,\ - .get = snd_hda_mixer_bind_ctls_get,\ - .put = snd_hda_mixer_bind_ctls_put,\ - .private_value = (long) (bindrec) } - /* * SPDIF I/O */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index cbeebc0..5ef2413 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2575,18 +2575,37 @@ static int patch_alc262(struct hda_codec *codec) * ALC268 */ /* bind Beep switches of both NID 0x0f and 0x10 */ -static const struct hda_bind_ctls alc268_bind_beep_sw = { - .ops = &snd_hda_bind_sw, - .values = { - HDA_COMPOSE_AMP_VAL(0x0f, 3, 1, HDA_INPUT), - HDA_COMPOSE_AMP_VAL(0x10, 3, 1, HDA_INPUT), - 0 - }, -}; +static int alc268_beep_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned long pval; + int err; + + mutex_lock(&codec->control_mutex); + pval = kcontrol->private_value; + kcontrol->private_value = (pval & ~0xff) | 0x0f; + err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); + if (err >= 0) { + kcontrol->private_value = (pval & ~0xff) | 0x10; + err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); + } + kcontrol->private_value = pval; + mutex_unlock(&codec->control_mutex); + return err; +} static const struct snd_kcontrol_new alc268_beep_mixer[] = { HDA_CODEC_VOLUME("Beep Playback Volume", 0x1d, 0x0, HDA_INPUT), - HDA_BIND_SW("Beep Playback Switch", &alc268_bind_beep_sw), + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Beep Playback Switch", + .subdevice = HDA_SUBDEV_AMP_FLAG, + .info = snd_hda_mixer_amp_switch_info, + .get = snd_hda_mixer_amp_switch_get, + .put = alc268_beep_switch_put, + .private_value = HDA_COMPOSE_AMP_VAL(0x0f, 3, 1, HDA_INPUT) + }, { } }; diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 1d8612c..6b650ab 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -1401,7 +1401,7 @@ static struct snd_kcontrol_new snd_ice1712_multi_playback_ctrls[] = { }, }; -static struct snd_kcontrol_new snd_ice1712_multi_capture_analog_switch = { +static const struct snd_kcontrol_new snd_ice1712_multi_capture_analog_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "H/W Multi Capture Switch", .info = snd_ice1712_pro_mixer_switch_info, @@ -1420,7 +1420,7 @@ static const struct snd_kcontrol_new snd_ice1712_multi_capture_spdif_switch = { .count = 2, }; -static struct snd_kcontrol_new snd_ice1712_multi_capture_analog_volume = { +static const struct snd_kcontrol_new snd_ice1712_multi_capture_analog_volume = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ), @@ -2165,7 +2165,7 @@ static int snd_ice1712_pro_route_spdif_put(struct snd_kcontrol *kcontrol, return change; } -static struct snd_kcontrol_new snd_ice1712_mixer_pro_analog_route = { +static const struct snd_kcontrol_new snd_ice1712_mixer_pro_analog_route = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "H/W Playback Route", .info = snd_ice1712_pro_route_info, diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 9cd6e55..7851881 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2142,7 +2142,7 @@ static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol, digital_route_shift(idx)); } -static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route = +static const struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "H/W Playback Route", diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index 1e25095..b28fe49 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -1299,13 +1299,21 @@ static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int coun return 0; } -static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size) +static int snd_korg1212_copy_to(struct snd_pcm_substream *substream, + void __user *dst, int pos, int count, + bool in_kernel) { - struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos; - int i, rc; - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n", - pos, offset, size); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); + struct KorgAudioFrame *src; + int i, size; + + pos = bytes_to_frames(runtime, pos); + count = bytes_to_frames(runtime, count); + size = korg1212->channels * 2; + src = korg1212->recordDataBufsPtr[0].bufferData + pos; + K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n", + pos, size, count); if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) return -EINVAL; @@ -1317,11 +1325,10 @@ static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, return -EFAULT; } #endif - rc = copy_to_user(dst + offset, src, size); - if (rc) { - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i); + if (in_kernel) + memcpy((void *)dst, src, size); + else if (copy_to_user(dst, src, size)) return -EFAULT; - } src++; dst += size; } @@ -1329,13 +1336,22 @@ static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, return 0; } -static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size) +static int snd_korg1212_copy_from(struct snd_pcm_substream *substream, + void __user *src, int pos, int count, + bool in_kernel) { - struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos; - int i, rc; + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); + struct KorgAudioFrame *dst; + int i, size; - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n", - pos, offset, size, count); + pos = bytes_to_frames(runtime, pos); + count = bytes_to_frames(runtime, count); + size = korg1212->channels * 2; + dst = korg1212->playDataBufsPtr[0].bufferData + pos; + + K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n", + pos, size, count); if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) return -EINVAL; @@ -1348,11 +1364,10 @@ static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *sr return -EFAULT; } #endif - rc = copy_from_user((void*) dst + offset, src, size); - if (rc) { - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i); + if (in_kernel) + memcpy((void *)dst, src, size); + else if (copy_from_user(dst, src, size)) return -EFAULT; - } dst++; src += size; } @@ -1640,45 +1655,46 @@ static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream * } static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *src, unsigned long count) { - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n", - stateName[korg1212->cardState], pos, count); - - return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2); + return snd_korg1212_copy_from(substream, src, pos, count, false); +} +static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) +{ + return snd_korg1212_copy_from(substream, (void __user *)src, + pos, count, true); } static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + unsigned long pos, + unsigned long count) { + struct snd_pcm_runtime *runtime = substream->runtime; struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n", - stateName[korg1212->cardState]); - - return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2); + return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos), + bytes_to_frames(runtime, count), + 0, korg1212->channels * 2); } static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *dst, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *dst, unsigned long count) { - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n", - stateName[korg1212->cardState], pos, count); + return snd_korg1212_copy_to(substream, dst, pos, count, false); +} - return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2); +static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + return snd_korg1212_copy_to(substream, (void __user *)dst, + pos, count, true); } static const struct snd_pcm_ops snd_korg1212_playback_ops = { @@ -1689,8 +1705,9 @@ static const struct snd_pcm_ops snd_korg1212_playback_ops = { .prepare = snd_korg1212_prepare, .trigger = snd_korg1212_trigger, .pointer = snd_korg1212_playback_pointer, - .copy = snd_korg1212_playback_copy, - .silence = snd_korg1212_playback_silence, + .copy_user = snd_korg1212_playback_copy, + .copy_kernel = snd_korg1212_playback_copy_kernel, + .fill_silence = snd_korg1212_playback_silence, }; static const struct snd_pcm_ops snd_korg1212_capture_ops = { @@ -1701,7 +1718,8 @@ static const struct snd_pcm_ops snd_korg1212_capture_ops = { .prepare = snd_korg1212_prepare, .trigger = snd_korg1212_trigger, .pointer = snd_korg1212_capture_pointer, - .copy = snd_korg1212_capture_copy, + .copy_user = snd_korg1212_capture_copy, + .copy_kernel = snd_korg1212_capture_copy_kernel, }; /* diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c index 4a4616a..2b9496a 100644 --- a/sound/pci/mixart/mixart_mixer.c +++ b/sound/pci/mixart/mixart_mixer.c @@ -404,7 +404,7 @@ static int mixart_analog_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e static const DECLARE_TLV_DB_SCALE(db_scale_analog, -9600, 50, 0); -static struct snd_kcontrol_new mixart_control_analog_level = { +static const struct snd_kcontrol_new mixart_control_analog_level = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ), @@ -897,7 +897,7 @@ static int mixart_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10950, 50, 0); -static struct snd_kcontrol_new snd_mixart_pcm_vol = +static const struct snd_kcontrol_new snd_mixart_pcm_vol = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | @@ -951,7 +951,7 @@ static int mixart_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ return changed; } -static struct snd_kcontrol_new mixart_control_pcm_switch = { +static const struct snd_kcontrol_new mixart_control_pcm_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, /* name will be filled later */ .count = MIXART_PLAYBACK_STREAMS, diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c index 103fe31..63f0985d 100644 --- a/sound/pci/nm256/nm256.c +++ b/sound/pci/nm256/nm256.c @@ -695,53 +695,68 @@ snd_nm256_capture_pointer(struct snd_pcm_substream *substream) */ static int snd_nm256_playback_silence(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int channel, unsigned long pos, unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; struct nm256_stream *s = runtime->private_data; - count = frames_to_bytes(runtime, count); - pos = frames_to_bytes(runtime, pos); + memset_io(s->bufptr + pos, 0, count); return 0; } static int snd_nm256_playback_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; struct nm256_stream *s = runtime->private_data; - count = frames_to_bytes(runtime, count); - pos = frames_to_bytes(runtime, pos); + if (copy_from_user_toio(s->bufptr + pos, src, count)) return -EFAULT; return 0; } +static int +snd_nm256_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct nm256_stream *s = runtime->private_data; + + memcpy_toio(s->bufptr + pos, src, count); + return 0; +} + /* * copy to user */ static int snd_nm256_capture_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *dst, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *dst, unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; struct nm256_stream *s = runtime->private_data; - count = frames_to_bytes(runtime, count); - pos = frames_to_bytes(runtime, pos); + if (copy_to_user_fromio(dst, s->bufptr + pos, count)) return -EFAULT; return 0; } +static int +snd_nm256_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct nm256_stream *s = runtime->private_data; + + memcpy_fromio(dst, s->bufptr + pos, count); + return 0; +} + #endif /* !__i386__ */ @@ -911,8 +926,9 @@ static const struct snd_pcm_ops snd_nm256_playback_ops = { .trigger = snd_nm256_playback_trigger, .pointer = snd_nm256_playback_pointer, #ifndef __i386__ - .copy = snd_nm256_playback_copy, - .silence = snd_nm256_playback_silence, + .copy_user = snd_nm256_playback_copy, + .copy_kernel = snd_nm256_playback_copy_kernel, + .fill_silence = snd_nm256_playback_silence, #endif .mmap = snd_pcm_lib_mmap_iomem, }; @@ -926,7 +942,8 @@ static const struct snd_pcm_ops snd_nm256_capture_ops = { .trigger = snd_nm256_capture_trigger, .pointer = snd_nm256_capture_pointer, #ifndef __i386__ - .copy = snd_nm256_capture_copy, + .copy_user = snd_nm256_capture_copy, + .copy_kernel = snd_nm256_capture_copy_kernel, #endif .mmap = snd_pcm_lib_mmap_iomem, }; diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c index 96d15db..67d48c8 100644 --- a/sound/pci/rme32.c +++ b/sound/pci/rme32.c @@ -254,39 +254,46 @@ static inline unsigned int snd_rme32_pcm_byteptr(struct rme32 * rme32) } /* silence callback for halfduplex mode */ -static int snd_rme32_playback_silence(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) +static int snd_rme32_playback_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) { struct rme32 *rme32 = snd_pcm_substream_chip(substream); - count <<= rme32->playback_frlog; - pos <<= rme32->playback_frlog; + memset_io(rme32->iobase + RME32_IO_DATA_BUFFER + pos, 0, count); return 0; } /* copy callback for halfduplex mode */ -static int snd_rme32_playback_copy(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *src, snd_pcm_uframes_t count) +static int snd_rme32_playback_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct rme32 *rme32 = snd_pcm_substream_chip(substream); - count <<= rme32->playback_frlog; - pos <<= rme32->playback_frlog; + if (copy_from_user_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, - src, count)) + src, count)) return -EFAULT; return 0; } +static int snd_rme32_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) +{ + struct rme32 *rme32 = snd_pcm_substream_chip(substream); + + memcpy_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, src, count); + return 0; +} + /* copy callback for halfduplex mode */ -static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *dst, snd_pcm_uframes_t count) +static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) { struct rme32 *rme32 = snd_pcm_substream_chip(substream); - count <<= rme32->capture_frlog; - pos <<= rme32->capture_frlog; + if (copy_to_user_fromio(dst, rme32->iobase + RME32_IO_DATA_BUFFER + pos, count)) @@ -294,6 +301,16 @@ static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, int chann return 0; } +static int snd_rme32_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct rme32 *rme32 = snd_pcm_substream_chip(substream); + + memcpy_fromio(dst, rme32->iobase + RME32_IO_DATA_BUFFER + pos, count); + return 0; +} + /* * SPDIF I/O capabilities (half-duplex mode) */ @@ -1157,9 +1174,8 @@ static int snd_rme32_playback_fd_ack(struct snd_pcm_substream *substream) if (rme32->running & (1 << SNDRV_PCM_STREAM_CAPTURE)) rec->hw_queue_size -= cprec->hw_ready; spin_unlock(&rme32->lock); - snd_pcm_indirect_playback_transfer(substream, rec, - snd_rme32_pb_trans_copy); - return 0; + return snd_pcm_indirect_playback_transfer(substream, rec, + snd_rme32_pb_trans_copy); } static void snd_rme32_cp_trans_copy(struct snd_pcm_substream *substream, @@ -1174,9 +1190,8 @@ static void snd_rme32_cp_trans_copy(struct snd_pcm_substream *substream, static int snd_rme32_capture_fd_ack(struct snd_pcm_substream *substream) { struct rme32 *rme32 = snd_pcm_substream_chip(substream); - snd_pcm_indirect_capture_transfer(substream, &rme32->capture_pcm, - snd_rme32_cp_trans_copy); - return 0; + return snd_pcm_indirect_capture_transfer(substream, &rme32->capture_pcm, + snd_rme32_cp_trans_copy); } static snd_pcm_uframes_t @@ -1205,8 +1220,9 @@ static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = { .prepare = snd_rme32_playback_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_playback_pointer, - .copy = snd_rme32_playback_copy, - .silence = snd_rme32_playback_silence, + .copy_user = snd_rme32_playback_copy, + .copy_kernel = snd_rme32_playback_copy_kernel, + .fill_silence = snd_rme32_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1219,7 +1235,8 @@ static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = { .prepare = snd_rme32_capture_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_capture_pointer, - .copy = snd_rme32_capture_copy, + .copy_user = snd_rme32_capture_copy, + .copy_kernel = snd_rme32_capture_copy_kernel, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1231,8 +1248,9 @@ static const struct snd_pcm_ops snd_rme32_playback_adat_ops = { .prepare = snd_rme32_playback_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_playback_pointer, - .copy = snd_rme32_playback_copy, - .silence = snd_rme32_playback_silence, + .copy_user = snd_rme32_playback_copy, + .copy_kernel = snd_rme32_playback_copy_kernel, + .fill_silence = snd_rme32_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1244,7 +1262,8 @@ static const struct snd_pcm_ops snd_rme32_capture_adat_ops = { .prepare = snd_rme32_capture_prepare, .trigger = snd_rme32_pcm_trigger, .pointer = snd_rme32_capture_pointer, - .copy = snd_rme32_capture_copy, + .copy_user = snd_rme32_capture_copy, + .copy_kernel = snd_rme32_capture_copy_kernel, .mmap = snd_pcm_lib_mmap_iomem, }; diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index 05b9da3..24f1349 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -327,13 +327,10 @@ snd_rme96_capture_ptr(struct rme96 *rme96) static int snd_rme96_playback_silence(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int channel, unsigned long pos, unsigned long count) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); - count <<= rme96->playback_frlog; - pos <<= rme96->playback_frlog; + memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, 0, count); return 0; @@ -341,32 +338,49 @@ snd_rme96_playback_silence(struct snd_pcm_substream *substream, static int snd_rme96_playback_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); - count <<= rme96->playback_frlog; - pos <<= rme96->playback_frlog; - return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, - count); + + return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, + src, count); +} + +static int +snd_rme96_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) +{ + struct rme96 *rme96 = snd_pcm_substream_chip(substream); + + memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count); + return 0; } static int snd_rme96_capture_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *dst, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + void __user *dst, unsigned long count) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); - count <<= rme96->capture_frlog; - pos <<= rme96->capture_frlog; - return copy_to_user_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, + + return copy_to_user_fromio(dst, + rme96->iobase + RME96_IO_REC_BUFFER + pos, count); } +static int +snd_rme96_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct rme96 *rme96 = snd_pcm_substream_chip(substream); + + memcpy_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count); + return 0; +} + /* * Digital output capabilities (S/PDIF) */ @@ -1513,8 +1527,9 @@ static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = { .prepare = snd_rme96_playback_prepare, .trigger = snd_rme96_playback_trigger, .pointer = snd_rme96_playback_pointer, - .copy = snd_rme96_playback_copy, - .silence = snd_rme96_playback_silence, + .copy_user = snd_rme96_playback_copy, + .copy_kernel = snd_rme96_playback_copy_kernel, + .fill_silence = snd_rme96_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1526,7 +1541,8 @@ static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = { .prepare = snd_rme96_capture_prepare, .trigger = snd_rme96_capture_trigger, .pointer = snd_rme96_capture_pointer, - .copy = snd_rme96_capture_copy, + .copy_user = snd_rme96_capture_copy, + .copy_kernel = snd_rme96_capture_copy_kernel, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1538,8 +1554,9 @@ static const struct snd_pcm_ops snd_rme96_playback_adat_ops = { .prepare = snd_rme96_playback_prepare, .trigger = snd_rme96_playback_trigger, .pointer = snd_rme96_playback_pointer, - .copy = snd_rme96_playback_copy, - .silence = snd_rme96_playback_silence, + .copy_user = snd_rme96_playback_copy, + .copy_kernel = snd_rme96_playback_copy_kernel, + .fill_silence = snd_rme96_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1551,7 +1568,8 @@ static const struct snd_pcm_ops snd_rme96_capture_adat_ops = { .prepare = snd_rme96_capture_prepare, .trigger = snd_rme96_capture_trigger, .pointer = snd_rme96_capture_pointer, - .copy = snd_rme96_capture_copy, + .copy_user = snd_rme96_capture_copy, + .copy_kernel = snd_rme96_capture_copy_kernel, .mmap = snd_pcm_lib_mmap_iomem, }; diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index fc0face..b000096 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3913,42 +3913,73 @@ static char *hdsp_channel_buffer_location(struct hdsp *hdsp, return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES); } -static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count) +static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_from_user(channel_buf + pos * 4, src, count * 4)) + if (copy_from_user(channel_buf + pos, src, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count) +static int snd_hdsp_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(channel_buf + pos, src, count); + return 0; +} + +static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) + if (copy_to_user(dst, channel_buf + pos, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, snd_pcm_uframes_t count) +static int snd_hdsp_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(dst, channel_buf + pos, count); + return 0; +} + +static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; @@ -3956,8 +3987,8 @@ static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - memset(channel_buf + pos * 4, 0, count * 4); - return count; + memset(channel_buf + pos, 0, count); + return 0; } static int snd_hdsp_reset(struct snd_pcm_substream *substream) @@ -4869,8 +4900,9 @@ static const struct snd_pcm_ops snd_hdsp_playback_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_playback_copy, - .silence = snd_hdsp_hw_silence, + .copy_user = snd_hdsp_playback_copy, + .copy_kernel = snd_hdsp_playback_copy_kernel, + .fill_silence = snd_hdsp_hw_silence, }; static const struct snd_pcm_ops snd_hdsp_capture_ops = { @@ -4881,7 +4913,8 @@ static const struct snd_pcm_ops snd_hdsp_capture_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_capture_copy, + .copy_user = snd_hdsp_capture_copy, + .copy_kernel = snd_hdsp_capture_copy_kernel, }; static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp) diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index 55172c6..59684bf 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -1883,13 +1883,14 @@ static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652, } } -static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count) +static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4)) + if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = rme9652_channel_buffer_location (rme9652, @@ -1897,18 +1898,35 @@ static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int ch channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_from_user(channel_buf + pos * 4, src, count * 4)) + if (copy_from_user(channel_buf + pos, src, count)) return -EFAULT; - return count; + return 0; } -static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count) +static int snd_rme9652_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) { struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4)) + channel_buf = rme9652_channel_buffer_location(rme9652, + substream->pstr->stream, + channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(channel_buf + pos, src, count); + return 0; +} + +static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); + char *channel_buf; + + if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = rme9652_channel_buffer_location (rme9652, @@ -1916,13 +1934,30 @@ static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int cha channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) + if (copy_to_user(dst, channel_buf + pos, count)) return -EFAULT; - return count; + return 0; } -static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, snd_pcm_uframes_t count) +static int snd_rme9652_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); + char *channel_buf; + + channel_buf = rme9652_channel_buffer_location(rme9652, + substream->pstr->stream, + channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(dst, channel_buf + pos, count); + return 0; +} + +static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) { struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); char *channel_buf; @@ -1932,8 +1967,8 @@ static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int chann channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - memset(channel_buf + pos * 4, 0, count * 4); - return count; + memset(channel_buf + pos, 0, count); + return 0; } static int snd_rme9652_reset(struct snd_pcm_substream *substream) @@ -2376,8 +2411,9 @@ static const struct snd_pcm_ops snd_rme9652_playback_ops = { .prepare = snd_rme9652_prepare, .trigger = snd_rme9652_trigger, .pointer = snd_rme9652_hw_pointer, - .copy = snd_rme9652_playback_copy, - .silence = snd_rme9652_hw_silence, + .copy_user = snd_rme9652_playback_copy, + .copy_kernel = snd_rme9652_playback_copy_kernel, + .fill_silence = snd_rme9652_hw_silence, }; static const struct snd_pcm_ops snd_rme9652_capture_ops = { @@ -2388,7 +2424,8 @@ static const struct snd_pcm_ops snd_rme9652_capture_ops = { .prepare = snd_rme9652_prepare, .trigger = snd_rme9652_trigger, .pointer = snd_rme9652_hw_pointer, - .copy = snd_rme9652_capture_copy, + .copy_user = snd_rme9652_capture_copy, + .copy_kernel = snd_rme9652_capture_copy_kernel, }; static int snd_rme9652_create_pcm(struct snd_card *card, diff --git a/sound/pci/vx222/vx222.c b/sound/pci/vx222/vx222.c index ecbaf47..5586184 100644 --- a/sound/pci/vx222/vx222.c +++ b/sound/pci/vx222/vx222.c @@ -116,7 +116,7 @@ static struct snd_vx_hardware vx222_mic_hw = { */ static int snd_vx222_free(struct vx_core *chip) { - struct snd_vx222 *vx = (struct snd_vx222 *)chip; + struct snd_vx222 *vx = to_vx222(chip); if (chip->irq >= 0) free_irq(chip->irq, (void*)chip); @@ -158,7 +158,7 @@ static int snd_vx222_create(struct snd_card *card, struct pci_dev *pci, pci_disable_device(pci); return -ENOMEM; } - vx = (struct snd_vx222 *)chip; + vx = to_vx222(chip); vx->pci = pci; if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { diff --git a/sound/pci/vx222/vx222.h b/sound/pci/vx222/vx222.h index 2f0d78f..cae355c 100644 --- a/sound/pci/vx222/vx222.h +++ b/sound/pci/vx222/vx222.h @@ -39,6 +39,8 @@ struct snd_vx222 { int mic_level; /* mic level for vx222 mic */ }; +#define to_vx222(x) container_of(x, struct snd_vx222, core) + /* we use a lookup table with 148 values, see vx_mixer.c */ #define VX2_AKM_LEVEL_MAX 0x93 diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c index 7df1663..d4298af 100644 --- a/sound/pci/vx222/vx222_ops.c +++ b/sound/pci/vx222/vx222_ops.c @@ -86,7 +86,7 @@ static int vx2_reg_index[VX_REG_MAX] = { static inline unsigned long vx2_reg_addr(struct vx_core *_chip, int reg) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); return chip->port[vx2_reg_index[reg]] + vx2_reg_offset[reg]; } @@ -159,7 +159,7 @@ static void vx2_outl(struct vx_core *chip, int offset, unsigned int val) static void vx2_reset_dsp(struct vx_core *_chip) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); /* set the reset dsp bit to 0 */ vx_outl(chip, CDSP, chip->regCDSP & ~VX_CDSP_DSP_RESET_MASK); @@ -174,7 +174,7 @@ static void vx2_reset_dsp(struct vx_core *_chip) static int vx2_test_xilinx(struct vx_core *_chip) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); unsigned int data; dev_dbg(_chip->card->dev, "testing xilinx...\n"); @@ -479,7 +479,7 @@ static int vx2_test_and_ack(struct vx_core *chip) */ static void vx2_validate_irq(struct vx_core *_chip, int enable) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); /* Set the interrupt enable bit to 1 in CDSP register */ if (enable) { @@ -730,7 +730,7 @@ static void vx2_old_write_codec_bit(struct vx_core *chip, int codec, unsigned in */ static void vx2_reset_codec(struct vx_core *_chip) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); /* Set the reset CODEC bit to 0. */ vx_outl(chip, CDSP, chip->regCDSP &~ VX_CDSP_CODEC_RESET_MASK); @@ -772,7 +772,7 @@ static void vx2_reset_codec(struct vx_core *_chip) */ static void vx2_change_audio_source(struct vx_core *_chip, int src) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); switch (src) { case VX_AUDIO_SRC_DIGITAL: @@ -791,7 +791,7 @@ static void vx2_change_audio_source(struct vx_core *_chip, int src) */ static void vx2_set_clock_source(struct vx_core *_chip, int source) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); if (source == INTERNAL_QUARTZ) chip->regCFG &= ~VX_CFG_CLOCKIN_SEL_MASK; @@ -805,7 +805,7 @@ static void vx2_set_clock_source(struct vx_core *_chip, int source) */ static void vx2_reset_board(struct vx_core *_chip, int cold_reset) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); /* initialize the register values */ chip->regCDSP = VX_CDSP_CODEC_RESET_MASK | VX_CDSP_DSP_RESET_MASK ; @@ -878,7 +878,7 @@ static int vx_input_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_ele static int vx_input_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); mutex_lock(&_chip->mixer_mutex); ucontrol->value.integer.value[0] = chip->input_level[0]; ucontrol->value.integer.value[1] = chip->input_level[1]; @@ -889,7 +889,7 @@ static int vx_input_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem static int vx_input_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); if (ucontrol->value.integer.value[0] < 0 || ucontrol->value.integer.value[0] > MIC_LEVEL_MAX) return -EINVAL; @@ -922,7 +922,7 @@ static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); ucontrol->value.integer.value[0] = chip->mic_level; return 0; } @@ -930,7 +930,7 @@ static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); if (ucontrol->value.integer.value[0] < 0 || ucontrol->value.integer.value[0] > MIC_LEVEL_MAX) return -EINVAL; @@ -973,7 +973,7 @@ static const struct snd_kcontrol_new vx_control_mic_level = { static int vx2_add_mic_controls(struct vx_core *_chip) { - struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + struct snd_vx222 *chip = to_vx222(_chip); int err; if (_chip->type != VX_TYPE_MIC) diff --git a/sound/pcmcia/vx/vxp_mixer.c b/sound/pcmcia/vx/vxp_mixer.c index a4a6642..304b153 100644 --- a/sound/pcmcia/vx/vxp_mixer.c +++ b/sound/pcmcia/vx/vxp_mixer.c @@ -43,7 +43,7 @@ static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); ucontrol->value.integer.value[0] = chip->mic_level; return 0; } @@ -51,7 +51,7 @@ static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); unsigned int val = ucontrol->value.integer.value[0]; if (val > MIC_LEVEL_MAX) @@ -69,7 +69,7 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0); -static struct snd_kcontrol_new vx_control_mic_level = { +static const struct snd_kcontrol_new vx_control_mic_level = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ), @@ -88,7 +88,7 @@ static struct snd_kcontrol_new vx_control_mic_level = { static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); ucontrol->value.integer.value[0] = chip->mic_level; return 0; } @@ -96,7 +96,7 @@ static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); int val = !!ucontrol->value.integer.value[0]; mutex_lock(&_chip->mixer_mutex); if (chip->mic_level != val) { @@ -109,7 +109,7 @@ static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v return 0; } -static struct snd_kcontrol_new vx_control_mic_boost = { +static const struct snd_kcontrol_new vx_control_mic_boost = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Mic Boost", .info = vx_mic_boost_info, @@ -120,7 +120,7 @@ static struct snd_kcontrol_new vx_control_mic_boost = { int vxp_add_mic_controls(struct vx_core *_chip) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); int err; /* mute input levels */ diff --git a/sound/pcmcia/vx/vxp_ops.c b/sound/pcmcia/vx/vxp_ops.c index 5f97791..8cde402 100644 --- a/sound/pcmcia/vx/vxp_ops.c +++ b/sound/pcmcia/vx/vxp_ops.c @@ -50,7 +50,7 @@ static int vxp_reg_offset[VX_REG_MAX] = { static inline unsigned long vxp_reg_addr(struct vx_core *_chip, int reg) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); return chip->port + vxp_reg_offset[reg]; } @@ -110,7 +110,7 @@ static int vx_check_magic(struct vx_core *chip) static void vxp_reset_dsp(struct vx_core *_chip) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); /* set the reset dsp bit to 1 */ vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_DSP_RESET_MASK); @@ -128,7 +128,7 @@ static void vxp_reset_dsp(struct vx_core *_chip) */ static void vxp_reset_codec(struct vx_core *_chip) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); /* Set the reset CODEC bit to 1. */ vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_CODEC_RESET_MASK); @@ -147,7 +147,7 @@ static void vxp_reset_codec(struct vx_core *_chip) */ static int vxp_load_xilinx_binary(struct vx_core *_chip, const struct firmware *fw) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); unsigned int i; int c; int regCSUER, regRUER; @@ -280,7 +280,7 @@ static int vxp_load_dsp(struct vx_core *vx, int index, const struct firmware *fw */ static int vxp_test_and_ack(struct vx_core *_chip) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); /* not booted yet? */ if (! (_chip->chip_status & VX_STAT_XILINX_LOADED)) @@ -307,7 +307,7 @@ static int vxp_test_and_ack(struct vx_core *_chip) */ static void vxp_validate_irq(struct vx_core *_chip, int enable) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); /* Set the interrupt enable bit to 1 in CDSP register */ if (enable) @@ -323,7 +323,7 @@ static void vxp_validate_irq(struct vx_core *_chip, int enable) */ static void vx_setup_pseudo_dma(struct vx_core *_chip, int do_write) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); /* Interrupt mode and HREQ pin enabled for host transmit / receive data transfers */ vx_outb(chip, ICR, do_write ? ICR_TREQ : ICR_RREQ); @@ -343,7 +343,7 @@ static void vx_setup_pseudo_dma(struct vx_core *_chip, int do_write) */ static void vx_release_pseudo_dma(struct vx_core *_chip) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); /* Disable DMA and 16-bit accesses */ chip->regDIALOG &= ~(VXP_DLG_DMAWRITE_SEL_MASK| @@ -403,7 +403,7 @@ static void vxp_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime, static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, struct vx_pipe *pipe, int count) { - struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip; + struct snd_vxpocket *pchip = to_vxpocket(chip); long port = vxp_reg_addr(chip, VX_DMA); int offset = pipe->hw_ptr; unsigned short *addr = (unsigned short *)(runtime->dma_area + offset); @@ -467,7 +467,7 @@ static void vxp_write_codec_reg(struct vx_core *chip, int codec, unsigned int da */ void vx_set_mic_boost(struct vx_core *chip, int boost) { - struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip; + struct snd_vxpocket *pchip = to_vxpocket(chip); if (chip->chip_status & VX_STAT_IS_STALE) return; @@ -509,7 +509,7 @@ static int vx_compute_mic_level(int level) */ void vx_set_mic_level(struct vx_core *chip, int level) { - struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip; + struct snd_vxpocket *pchip = to_vxpocket(chip); if (chip->chip_status & VX_STAT_IS_STALE) return; @@ -528,7 +528,7 @@ void vx_set_mic_level(struct vx_core *chip, int level) */ static void vxp_change_audio_source(struct vx_core *_chip, int src) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); switch (src) { case VX_AUDIO_SRC_DIGITAL: @@ -568,7 +568,7 @@ static void vxp_change_audio_source(struct vx_core *_chip, int src) */ static void vxp_set_clock_source(struct vx_core *_chip, int source) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); if (source == INTERNAL_QUARTZ) chip->regCDSP &= ~VXP_CDSP_CLOCKIN_SEL_MASK; @@ -583,7 +583,7 @@ static void vxp_set_clock_source(struct vx_core *_chip, int source) */ static void vxp_reset_board(struct vx_core *_chip, int cold_reset) { - struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip; + struct snd_vxpocket *chip = to_vxpocket(_chip); chip->regCDSP = 0; chip->regDIALOG = 0; diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c index b16f42d..ca0d19e 100644 --- a/sound/pcmcia/vx/vxpocket.c +++ b/sound/pcmcia/vx/vxpocket.c @@ -155,7 +155,7 @@ static int snd_vxpocket_new(struct snd_card *card, int ibl, } chip->ibl.size = ibl; - vxp = (struct snd_vxpocket *)chip; + vxp = to_vxpocket(chip); vxp->p_dev = link; link->priv = chip; @@ -187,7 +187,7 @@ static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq { int err; struct snd_card *card = chip->card; - struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; + struct snd_vxpocket *vxp = to_vxpocket(chip); snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); vxp->port = port; diff --git a/sound/pcmcia/vx/vxpocket.h b/sound/pcmcia/vx/vxpocket.h index 13d658c..26f4255 100644 --- a/sound/pcmcia/vx/vxpocket.h +++ b/sound/pcmcia/vx/vxpocket.h @@ -43,6 +43,8 @@ struct snd_vxpocket { struct pcmcia_device *p_dev; }; +#define to_vxpocket(x) container_of(x, struct snd_vxpocket, core) + extern struct snd_vx_ops snd_vxpocket_ops; void vx_set_mic_boost(struct vx_core *chip, int boost); diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c index 1468e4b..d1e4ef1 100644 --- a/sound/ppc/awacs.c +++ b/sound/ppc/awacs.c @@ -514,7 +514,7 @@ static struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] = { }, }; -static struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = { +static const struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Playback Switch", .info = snd_pmac_boolean_stereo_info, @@ -523,7 +523,7 @@ static struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = { .private_value = AMP_CH_HD, }; -static struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = { +static const struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Speaker Playback Switch", .info = snd_pmac_boolean_stereo_info, diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c index d3524f9..f19eb3e 100644 --- a/sound/ppc/beep.c +++ b/sound/ppc/beep.c @@ -206,7 +206,7 @@ static int snd_pmac_put_beep(struct snd_kcontrol *kcontrol, return oval != chip->beep->volume; } -static struct snd_kcontrol_new snd_pmac_beep_mixer = { +static const struct snd_kcontrol_new snd_pmac_beep_mixer = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Beep Playback Volume", .info = snd_pmac_info_beep, diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 58ee808..0779a29 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -897,7 +897,7 @@ static struct snd_kcontrol_new snapper_mixers[] = { }, }; -static struct snd_kcontrol_new tumbler_hp_sw = { +static const struct snd_kcontrol_new tumbler_hp_sw = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Playback Switch", .info = snd_pmac_boolean_mono_info, @@ -905,7 +905,7 @@ static struct snd_kcontrol_new tumbler_hp_sw = { .put = tumbler_put_mute_switch, .private_value = TUMBLER_MUTE_HP, }; -static struct snd_kcontrol_new tumbler_speaker_sw = { +static const struct snd_kcontrol_new tumbler_speaker_sw = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Speaker Playback Switch", .info = snd_pmac_boolean_mono_info, @@ -913,7 +913,7 @@ static struct snd_kcontrol_new tumbler_speaker_sw = { .put = tumbler_put_mute_switch, .private_value = TUMBLER_MUTE_AMP, }; -static struct snd_kcontrol_new tumbler_lineout_sw = { +static const struct snd_kcontrol_new tumbler_lineout_sw = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line Out Playback Switch", .info = snd_pmac_boolean_mono_info, @@ -921,7 +921,7 @@ static struct snd_kcontrol_new tumbler_lineout_sw = { .put = tumbler_put_mute_switch, .private_value = TUMBLER_MUTE_LINE, }; -static struct snd_kcontrol_new tumbler_drc_sw = { +static const struct snd_kcontrol_new tumbler_drc_sw = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "DRC Switch", .info = snd_pmac_boolean_mono_info, diff --git a/sound/sh/aica.c b/sound/sh/aica.c index fbbc252..ab4802d 100644 --- a/sound/sh/aica.c +++ b/sound/sh/aica.c @@ -535,7 +535,7 @@ static int aica_pcmvolume_put(struct snd_kcontrol *kcontrol, return 1; } -static struct snd_kcontrol_new snd_aica_pcmswitch_control = { +static const struct snd_kcontrol_new snd_aica_pcmswitch_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Switch", .index = 0, @@ -544,7 +544,7 @@ static struct snd_kcontrol_new snd_aica_pcmswitch_control = { .put = aica_pcmswitch_put }; -static struct snd_kcontrol_new snd_aica_pcmvolume_control = { +static const struct snd_kcontrol_new snd_aica_pcmvolume_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", .index = 0, diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c index 461b310..c1e00ed 100644 --- a/sound/sh/sh_dac_audio.c +++ b/sound/sh/sh_dac_audio.c @@ -184,23 +184,36 @@ static int snd_sh_dac_pcm_trigger(struct snd_pcm_substream *substream, int cmd) return 0; } -static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count) +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); struct snd_pcm_runtime *runtime = substream->runtime; - ssize_t b_count = frames_to_bytes(runtime , count); - ssize_t b_pos = frames_to_bytes(runtime , pos); - if (count < 0) - return -EINVAL; + if (copy_from_user_toio(chip->data_buffer + pos, src, count)) + return -EFAULT; + chip->buffer_end = chip->data_buffer + pos + count; - if (!count) - return 0; + if (chip->empty) { + chip->empty = 0; + dac_audio_start_timer(chip); + } + + return 0; +} - memcpy_toio(chip->data_buffer + b_pos, src, b_count); - chip->buffer_end = chip->data_buffer + b_pos + b_count; +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); + struct snd_pcm_runtime *runtime = substream->runtime; + + memcpy_toio(chip->data_buffer + pos, src, count); + chip->buffer_end = chip->data_buffer + pos + count; if (chip->empty) { chip->empty = 0; @@ -211,23 +224,15 @@ static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream, int channel, } static int snd_sh_dac_pcm_silence(struct snd_pcm_substream *substream, - int channel, snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) + int channel, unsigned long pos, + unsigned long count) { /* channel is not used (interleaved data) */ struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; - ssize_t b_count = frames_to_bytes(runtime , count); - ssize_t b_pos = frames_to_bytes(runtime , pos); - - if (count < 0) - return -EINVAL; - - if (!count) - return 0; - memset_io(chip->data_buffer + b_pos, 0, b_count); - chip->buffer_end = chip->data_buffer + b_pos + b_count; + memset_io(chip->data_buffer + pos, 0, count); + chip->buffer_end = chip->data_buffer + pos + count; if (chip->empty) { chip->empty = 0; @@ -256,8 +261,9 @@ static struct snd_pcm_ops snd_sh_dac_pcm_ops = { .prepare = snd_sh_dac_pcm_prepare, .trigger = snd_sh_dac_pcm_trigger, .pointer = snd_sh_dac_pcm_pointer, - .copy = snd_sh_dac_pcm_copy, - .silence = snd_sh_dac_pcm_silence, + .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, }; diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c index 02ad260..913e292 100644 --- a/sound/soc/blackfin/bf5xx-ac97-pcm.c +++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c @@ -279,23 +279,33 @@ static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream, return 0 ; } #else -static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, - void __user *buf, snd_pcm_uframes_t count) +static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *buf, unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; unsigned int chan_mask = ac97_chan_mask[runtime->channels - 1]; + struct ac97_frame *dst; + pr_debug("%s copy pos:0x%lx count:0x%lx\n", substream->stream ? "Capture" : "Playback", pos, count); + dst = (struct ac97_frame *)runtime->dma_area + + bytes_to_frames(runtime, pos); + count = bytes_to_frames(runtime, count); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - bf5xx_pcm_to_ac97((struct ac97_frame *)runtime->dma_area + pos, - (__u16 *)buf, count, chan_mask); + bf5xx_pcm_to_ac97(dst, buf, count, chan_mask); else - bf5xx_ac97_to_pcm((struct ac97_frame *)runtime->dma_area + pos, - (__u16 *)buf, count); + bf5xx_ac97_to_pcm(dst, buf, count); return 0; } + +static int bf5xx_pcm_copy_user(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *buf, unsigned long count) +{ + return bf5xx_pcm_copy(substream, channel, pos, (void *)buf, count); +} #endif static struct snd_pcm_ops bf5xx_pcm_ac97_ops = { @@ -309,7 +319,8 @@ static struct snd_pcm_ops bf5xx_pcm_ac97_ops = { #if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT) .mmap = bf5xx_pcm_mmap, #else - .copy = bf5xx_pcm_copy, + .copy_user = bf5xx_pcm_copy_user, + .copy_kernel = bf5xx_pcm_copy, #endif }; diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c index 6cba211d..470d99a 100644 --- a/sound/soc/blackfin/bf5xx-i2s-pcm.c +++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c @@ -225,8 +225,9 @@ static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream, return 0 ; } -static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void *buf, snd_pcm_uframes_t count) +static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *buf, unsigned long count) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_pcm_runtime *runtime = substream->runtime; @@ -238,6 +239,8 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel, dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); if (dma_data->tdm_mode) { + pos = bytes_to_frames(runtime, pos); + count = bytes_to_frames(runtime, count); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { src = buf; dst = runtime->dma_area; @@ -269,21 +272,29 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel, if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { src = buf; dst = runtime->dma_area; - dst += frames_to_bytes(runtime, pos); + dst += pos; } else { src = runtime->dma_area; - src += frames_to_bytes(runtime, pos); + src += pos; dst = buf; } - memcpy(dst, src, frames_to_bytes(runtime, count)); + memcpy(dst, src, count); } return 0; } +static int bf5xx_pcm_copy_user(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *buf, unsigned long count) +{ + return bf5xx_pcm_copy(substream, channel, pos, (void *)buf, count); +} + static int bf5xx_pcm_silence(struct snd_pcm_substream *substream, - int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count) + int channel, unsigned long pos, + unsigned long count) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_pcm_runtime *runtime = substream->runtime; @@ -295,11 +306,11 @@ static int bf5xx_pcm_silence(struct snd_pcm_substream *substream, dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); if (dma_data->tdm_mode) { - offset = pos * 8 * sample_size; - samples = count * 8; + offset = bytes_to_frames(runtime, pos) * 8 * sample_size; + samples = bytes_to_frames(runtime, count) * 8; } else { - offset = frames_to_bytes(runtime, pos); - samples = count * runtime->channels; + offset = pos; + samples = bytes_to_samples(runtime, count); } snd_pcm_format_set_silence(runtime->format, buf + offset, samples); @@ -316,8 +327,9 @@ static struct snd_pcm_ops bf5xx_pcm_i2s_ops = { .trigger = bf5xx_pcm_trigger, .pointer = bf5xx_pcm_pointer, .mmap = bf5xx_pcm_mmap, - .copy = bf5xx_pcm_copy, - .silence = bf5xx_pcm_silence, + .copy_user = bf5xx_pcm_copy_user, + .copy_kernel = bf5xx_pcm_copy, + .fill_silence = bf5xx_pcm_silence, }; static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd) diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c index 76b2ab8..4a22aad 100644 --- a/sound/soc/sh/siu_dai.c +++ b/sound/soc/sh/siu_dai.c @@ -441,7 +441,7 @@ static int siu_dai_put_volume(struct snd_kcontrol *kctrl, return 0; } -static struct snd_kcontrol_new playback_controls = { +static const struct snd_kcontrol_new playback_controls = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", .index = 0, @@ -451,7 +451,7 @@ static struct snd_kcontrol_new playback_controls = { .private_value = VOLUME_PLAYBACK, }; -static struct snd_kcontrol_new capture_controls = { +static const struct snd_kcontrol_new capture_controls = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Capture Volume", .index = 0, diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index efc5831..dcc5ece 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2743,8 +2743,9 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) if (platform->driver->ops) { rtd->ops.ack = platform->driver->ops->ack; - rtd->ops.copy = platform->driver->ops->copy; - rtd->ops.silence = platform->driver->ops->silence; + rtd->ops.copy_user = platform->driver->ops->copy_user; + rtd->ops.copy_kernel = platform->driver->ops->copy_kernel; + rtd->ops.fill_silence = platform->driver->ops->fill_silence; rtd->ops.page = platform->driver->ops->page; rtd->ops.mmap = platform->driver->ops->mmap; } diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig index a452ad7..f61b566 100644 --- a/sound/usb/Kconfig +++ b/sound/usb/Kconfig @@ -91,7 +91,7 @@ config SND_USB_CAIAQ_INPUT config SND_USB_US122L tristate "Tascam US-122L USB driver" - depends on X86 + depends on X86 || COMPILE_TEST select SND_HWDEP select SND_RAWMIDI help diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 4fa0053..e3d1dec 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -362,7 +362,7 @@ static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list) } /* name and private_value are set dynamically */ -static struct snd_kcontrol_new snd_audigy2nx_control = { +static const struct snd_kcontrol_new snd_audigy2nx_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .info = snd_audigy2nx_led_info, .get = snd_audigy2nx_led_get, diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index e118bdc..a33e31b2 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -46,8 +46,10 @@ MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); -static int snd_us122l_card_used[SNDRV_CARDS]; +/* driver_info flags */ +#define US122L_FLAG_US144 BIT(0) +static int snd_us122l_card_used[SNDRV_CARDS]; static int us122l_create_usbmidi(struct snd_card *card) { @@ -198,8 +200,7 @@ static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) if (!us122l->first) us122l->first = file; - if (us122l->dev->descriptor.idProduct == USB_ID_US144 || - us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { + if (us122l->is_us144) { iface = usb_ifnum_to_if(us122l->dev, 0); usb_autopm_get_interface(iface); } @@ -214,8 +215,7 @@ static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) struct usb_interface *iface; snd_printdd(KERN_DEBUG "%p %p\n", hw, file); - if (us122l->dev->descriptor.idProduct == USB_ID_US144 || - us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { + if (us122l->is_us144) { iface = usb_ifnum_to_if(us122l->dev, 0); usb_autopm_put_interface(iface); } @@ -483,8 +483,7 @@ static bool us122l_create_card(struct snd_card *card) int err; struct us122l *us122l = US122L(card); - if (us122l->dev->descriptor.idProduct == USB_ID_US144 || - us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { + if (us122l->is_us144) { err = usb_set_interface(us122l->dev, 0, 1); if (err) { snd_printk(KERN_ERR "usb_set_interface error \n"); @@ -503,8 +502,7 @@ static bool us122l_create_card(struct snd_card *card) if (!us122l_start(us122l, 44100, 256)) return false; - if (us122l->dev->descriptor.idProduct == USB_ID_US144 || - us122l->dev->descriptor.idProduct == USB_ID_US144MKII) + if (us122l->is_us144) err = us144_create_usbmidi(card); else err = us122l_create_usbmidi(card); @@ -536,7 +534,8 @@ static void snd_us122l_free(struct snd_card *card) static int usx2y_create_card(struct usb_device *device, struct usb_interface *intf, - struct snd_card **cardp) + struct snd_card **cardp, + unsigned long flags) { int dev; struct snd_card *card; @@ -556,6 +555,7 @@ static int usx2y_create_card(struct usb_device *device, US122L(card)->dev = device; mutex_init(&US122L(card)->mutex); init_waitqueue_head(&US122L(card)->sk.sleep); + US122L(card)->is_us144 = flags & US122L_FLAG_US144; INIT_LIST_HEAD(&US122L(card)->midi_list); strcpy(card->driver, "USB "NAME_ALLCAPS""); sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); @@ -579,7 +579,7 @@ static int us122l_usb_probe(struct usb_interface *intf, struct snd_card *card; int err; - err = usx2y_create_card(device, intf, &card); + err = usx2y_create_card(device, intf, &card, device_id->driver_info); if (err < 0) return err; @@ -607,9 +607,8 @@ static int snd_us122l_probe(struct usb_interface *intf, struct snd_card *card; int err; - if ((device->descriptor.idProduct == USB_ID_US144 || - device->descriptor.idProduct == USB_ID_US144MKII) - && device->speed == USB_SPEED_HIGH) { + if (id->driver_info & US122L_FLAG_US144 && + device->speed == USB_SPEED_HIGH) { snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n"); return -ENODEV; } @@ -703,8 +702,7 @@ static int snd_us122l_resume(struct usb_interface *intf) mutex_lock(&us122l->mutex); /* needed, doesn't restart without: */ - if (us122l->dev->descriptor.idProduct == USB_ID_US144 || - us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { + if (us122l->is_us144) { err = usb_set_interface(us122l->dev, 0, 1); if (err) { snd_printk(KERN_ERR "usb_set_interface error \n"); @@ -747,7 +745,8 @@ static struct usb_device_id snd_us122l_usb_id_table[] = { { /* US-144 only works at USB1.1! Disable module ehci-hcd. */ .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = 0x0644, - .idProduct = USB_ID_US144 + .idProduct = USB_ID_US144, + .driver_info = US122L_FLAG_US144 }, { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, @@ -757,7 +756,8 @@ static struct usb_device_id snd_us122l_usb_id_table[] = { { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = 0x0644, - .idProduct = USB_ID_US144MKII + .idProduct = USB_ID_US144MKII, + .driver_info = US122L_FLAG_US144 }, { /* terminator */ } }; diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h index f263b3f..3e2a2d0 100644 --- a/sound/usb/usx2y/us122l.h +++ b/sound/usb/usx2y/us122l.h @@ -16,6 +16,8 @@ struct us122l { struct list_head midi_list; atomic_t mmap_count; + + bool is_us144; }; |
