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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[ALSA] Clean up ISA cs4231 code
Modules: CS4231 driver Clean up ISA cs4231 code, removing experimental EBUS/SBUS merge, to improve readability. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
Jaroslav Kysela
parent
0948e3c8bb
commit
f739aecced
@ -26,21 +26,6 @@
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#include "pcm.h"
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#include "timer.h"
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#ifdef CONFIG_SBUS
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#define SBUS_SUPPORT
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#include <asm/sbus.h>
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#endif
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#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
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#define EBUS_SUPPORT
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#include <linux/pci.h>
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#include <asm/ebus.h>
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#endif
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#if !defined(SBUS_SUPPORT) && !defined(EBUS_SUPPORT)
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#define LEGACY_SUPPORT
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#endif
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/* IO ports */
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#define CS4231P(x) (c_d_c_CS4231##x)
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@ -236,14 +221,12 @@ typedef struct _snd_cs4231 cs4231_t;
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struct _snd_cs4231 {
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unsigned long port; /* base i/o port */
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#ifdef LEGACY_SUPPORT
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struct resource *res_port;
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unsigned long cport; /* control base i/o port (CS4236) */
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struct resource *res_cport;
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int irq; /* IRQ line */
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int dma1; /* playback DMA */
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int dma2; /* record DMA */
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#endif
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unsigned short version; /* version of CODEC chip */
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unsigned short mode; /* see to CS4231_MODE_XXXX */
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unsigned short hardware; /* see to CS4231_HW_XXXX */
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@ -251,24 +234,6 @@ struct _snd_cs4231 {
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unsigned short single_dma:1, /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */
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ebus_flag:1; /* SPARC: EBUS present */
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#ifdef EBUS_SUPPORT
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struct ebus_dma_info eb2c;
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struct ebus_dma_info eb2p;
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#endif
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#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
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union {
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#ifdef SBUS_SUPPORT
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struct sbus_dev *sdev;
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#endif
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#ifdef EBUS_SUPPORT
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struct pci_dev *pdev;
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#endif
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} dev_u;
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unsigned int p_periods_sent;
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unsigned int c_periods_sent;
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#endif
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snd_card_t *card;
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snd_pcm_t *pcm;
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snd_pcm_substream_t *playback_substream;
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@ -281,10 +246,8 @@ struct _snd_cs4231 {
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int mce_bit;
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int calibrate_mute;
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int sw_3d_bit;
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#ifdef LEGACY_SUPPORT
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unsigned int p_dma_size;
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unsigned int c_dma_size;
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#endif
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spinlock_t reg_lock;
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struct semaphore mce_mutex;
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@ -299,10 +262,8 @@ struct _snd_cs4231 {
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void (*resume) (cs4231_t *chip);
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#endif
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void *dma_private_data;
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#ifdef LEGACY_SUPPORT
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int (*claim_dma) (cs4231_t *chip, void *dma_private_data, int dma);
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int (*release_dma) (cs4231_t *chip, void *dma_private_data, int dma);
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#endif
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};
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/* exported functions */
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@ -124,46 +124,14 @@ static unsigned char snd_cs4231_original_image[32] =
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* Basic I/O functions
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*/
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#if !defined(EBUS_SUPPORT) && !defined(SBUS_SUPPORT)
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#define __CS4231_INLINE__ inline
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#else
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#define __CS4231_INLINE__ /* nothing */
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#endif
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static __CS4231_INLINE__ void cs4231_outb(cs4231_t *chip, u8 offset, u8 val)
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static inline void cs4231_outb(cs4231_t *chip, u8 offset, u8 val)
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{
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#ifdef EBUS_SUPPORT
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if (chip->ebus->flag) {
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writeb(val, chip->port + (offset << 2));
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} else {
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#endif
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#ifdef SBUS_SUPPORT
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sbus_writeb(val, chip->port + (offset << 2));
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#endif
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#ifdef EBUS_SUPPORT
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}
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#endif
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#ifdef LEGACY_SUPPORT
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outb(val, chip->port + offset);
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#endif
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}
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static __CS4231_INLINE__ u8 cs4231_inb(cs4231_t *chip, u8 offset)
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static inline u8 cs4231_inb(cs4231_t *chip, u8 offset)
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{
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#ifdef EBUS_SUPPORT
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if (chip->ebus_flag) {
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return readb(chip->port + (offset << 2));
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} else {
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#endif
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#ifdef SBUS_SUPPORT
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return sbus_readb(chip->port + (offset << 2));
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#endif
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#ifdef EBUS_SUPPORT
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}
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#endif
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#ifdef LEGACY_SUPPORT
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return inb(chip->port + offset);
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#endif
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}
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static void snd_cs4231_outm(cs4231_t *chip, unsigned char reg,
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@ -874,7 +842,6 @@ static int snd_cs4231_playback_hw_free(snd_pcm_substream_t * substream)
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return snd_pcm_lib_free_pages(substream);
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}
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#ifdef LEGACY_SUPPORT
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static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
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{
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cs4231_t *chip = snd_pcm_substream_chip(substream);
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@ -896,7 +863,6 @@ static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
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#endif
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return 0;
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}
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#endif /* LEGACY_SUPPORT */
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static int snd_cs4231_capture_hw_params(snd_pcm_substream_t * substream,
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snd_pcm_hw_params_t * hw_params)
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@ -918,7 +884,6 @@ static int snd_cs4231_capture_hw_free(snd_pcm_substream_t * substream)
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return snd_pcm_lib_free_pages(substream);
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}
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#ifdef LEGACY_SUPPORT
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static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
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{
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cs4231_t *chip = snd_pcm_substream_chip(substream);
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@ -942,7 +907,6 @@ static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
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spin_unlock_irqrestore(&chip->reg_lock, flags);
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return 0;
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}
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#endif
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static void snd_cs4231_overrange(cs4231_t *chip)
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{
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@ -998,7 +962,6 @@ irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs)
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return IRQ_HANDLED;
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}
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#ifdef LEGACY_SUPPORT
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static snd_pcm_uframes_t snd_cs4231_playback_pointer(snd_pcm_substream_t * substream)
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{
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cs4231_t *chip = snd_pcm_substream_chip(substream);
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@ -1020,7 +983,6 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(snd_pcm_substream_t * substr
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ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
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return bytes_to_frames(substream->runtime, ptr);
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}
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#endif /* LEGACY_SUPPORT */
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/*
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@ -1253,7 +1215,6 @@ static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
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chip->hardware == CS4231_HW_CS4239)
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runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE;
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#ifdef LEGACY_SUPPORT
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snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
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snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
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@ -1261,20 +1222,14 @@ static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
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if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma1)) < 0)
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return err;
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}
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#endif
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if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) {
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#ifdef LEGACY_SUPPORT
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if (chip->release_dma)
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chip->release_dma(chip, chip->dma_private_data, chip->dma1);
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#endif
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snd_free_pages(runtime->dma_area, runtime->dma_bytes);
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return err;
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}
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chip->playback_substream = substream;
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#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
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chip->p_periods_sent = 0;
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#endif
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snd_pcm_set_sync(substream);
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chip->rate_constraint(runtime);
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return 0;
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@ -1293,7 +1248,6 @@ static int snd_cs4231_capture_open(snd_pcm_substream_t * substream)
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chip->hardware == CS4231_HW_CS4239)
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runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE;
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#ifdef LEGACY_SUPPORT
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snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
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snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
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@ -1301,20 +1255,14 @@ static int snd_cs4231_capture_open(snd_pcm_substream_t * substream)
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if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma2)) < 0)
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return err;
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}
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#endif
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if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) {
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#ifdef LEGACY_SUPPORT
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if (chip->release_dma)
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chip->release_dma(chip, chip->dma_private_data, chip->dma2);
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#endif
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snd_free_pages(runtime->dma_area, runtime->dma_bytes);
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return err;
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}
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chip->capture_substream = substream;
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#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
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chip->c_periods_sent = 0;
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#endif
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snd_pcm_set_sync(substream);
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chip->rate_constraint(runtime);
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return 0;
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@ -1413,8 +1361,6 @@ static int snd_cs4231_pm_resume(snd_card_t *card)
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}
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#endif /* CONFIG_PM */
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#ifdef LEGACY_SUPPORT
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static int snd_cs4231_free(cs4231_t *chip)
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{
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release_and_free_resource(chip->res_port);
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@ -1444,8 +1390,6 @@ static int snd_cs4231_dev_free(snd_device_t *device)
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return snd_cs4231_free(chip);
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}
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#endif /* LEGACY_SUPPORT */
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const char *snd_cs4231_chip_id(cs4231_t *chip)
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{
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switch (chip->hardware) {
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@ -1493,8 +1437,6 @@ static int snd_cs4231_new(snd_card_t * card,
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return 0;
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}
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#ifdef LEGACY_SUPPORT
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int snd_cs4231_create(snd_card_t * card,
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unsigned long port,
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unsigned long cport,
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@ -1581,8 +1523,6 @@ int snd_cs4231_create(snd_card_t * card,
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return 0;
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}
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#endif /* LEGACY_SUPPORT */
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static snd_pcm_ops_t snd_cs4231_playback_ops = {
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.open = snd_cs4231_playback_open,
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.close = snd_cs4231_playback_close,
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@ -1629,27 +1569,9 @@ int snd_cs4231_pcm(cs4231_t *chip, int device, snd_pcm_t **rpcm)
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pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
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strcpy(pcm->name, snd_cs4231_chip_id(chip));
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#ifdef LEGACY_SUPPORT
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snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
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snd_dma_isa_data(),
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64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
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#else
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# ifdef EBUS_SUPPORT
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if (chip->ebus_flag) {
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snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
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chip->dev_u.pdev,
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64*1024, 128*1024);
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} else {
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# endif
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# ifdef SBUS_SUPPORT
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snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
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chip->dev_u.sdev,
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64*1024, 128*1024);
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# endif
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# ifdef EBUS_SUPPORT
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}
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# endif
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#endif
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chip->pcm = pcm;
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if (rpcm)
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