[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>

2 files changed, 2 insertions, 119 deletions

diff --git a/include/sound/cs4231.h b/include/sound/cs4231.h
index d7f90823778a..d956de947e70 100644
--- a/include/sound/cs4231.h
+++ b/include/sound/cs4231.h
@@ -26,21 +26,6 @@
 #include "pcm.h"
 #include "timer.h"
 
-#ifdef CONFIG_SBUS
-#define SBUS_SUPPORT
-#include <asm/sbus.h>
-#endif
-
-#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
-#define EBUS_SUPPORT
-#include <linux/pci.h>
-#include <asm/ebus.h>
-#endif
-
-#if !defined(SBUS_SUPPORT) && !defined(EBUS_SUPPORT)
-#define LEGACY_SUPPORT
-#endif
-
 /* IO ports */
 
 #define CS4231P(x)              (c_d_c_CS4231##x)
@@ -236,14 +221,12 @@ typedef struct _snd_cs4231 cs4231_t;
 
 struct _snd_cs4231 {
         unsigned long port;             /* base i/o port */
-#ifdef LEGACY_SUPPORT
         struct resource *res_port;
         unsigned long cport;            /* control base i/o port (CS4236) */
         struct resource *res_cport;
         int irq;                        /* IRQ line */
         int dma1;                       /* playback DMA */
         int dma2;                       /* record DMA */
-#endif
         unsigned short version;         /* version of CODEC chip */
         unsigned short mode;            /* see to CS4231_MODE_XXXX */
         unsigned short hardware;        /* see to CS4231_HW_XXXX */
@@ -251,24 +234,6 @@ struct _snd_cs4231 {
         unsigned short single_dma:1,    /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */
                        ebus_flag:1;     /* SPARC: EBUS present */
 
-#ifdef EBUS_SUPPORT
-        struct ebus_dma_info eb2c;
-        struct ebus_dma_info eb2p;
-#endif
-
-#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
-        union {
-#ifdef SBUS_SUPPORT
-                struct sbus_dev         *sdev;
-#endif
-#ifdef EBUS_SUPPORT
-                struct pci_dev          *pdev;
-#endif
-        } dev_u;
-        unsigned int p_periods_sent;
-        unsigned int c_periods_sent;
-#endif
-
         snd_card_t *card;
         snd_pcm_t *pcm;
         snd_pcm_substream_t *playback_substream;
@@ -281,10 +246,8 @@ struct _snd_cs4231 {
         int mce_bit;
         int calibrate_mute;
         int sw_3d_bit;
-#ifdef LEGACY_SUPPORT
         unsigned int p_dma_size;
         unsigned int c_dma_size;
-#endif
 
         spinlock_t reg_lock;
         struct semaphore mce_mutex;
@@ -299,10 +262,8 @@ struct _snd_cs4231 {
         void (*resume) (cs4231_t *chip);
 #endif
         void *dma_private_data;
-#ifdef LEGACY_SUPPORT
         int (*claim_dma) (cs4231_t *chip, void *dma_private_data, int dma);
         int (*release_dma) (cs4231_t *chip, void *dma_private_data, int dma);
-#endif
 };
 
 /* exported functions */
diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 4c9fb168636b..94e07a7c8b33 100644
--- a/sound/isa/cs423x/cs4231_lib.c
+++ b/sound/isa/cs423x/cs4231_lib.c
@@ -124,46 +124,14 @@ static unsigned char snd_cs4231_original_image[32] =
  *  Basic I/O functions
  */
 
-#if !defined(EBUS_SUPPORT) && !defined(SBUS_SUPPORT)
-#define __CS4231_INLINE__ inline
-#else
-#define __CS4231_INLINE__ /* nothing */
-#endif
-
-static __CS4231_INLINE__ void cs4231_outb(cs4231_t *chip, u8 offset, u8 val)
+static inline void cs4231_outb(cs4231_t *chip, u8 offset, u8 val)
 {
-#ifdef EBUS_SUPPORT
-        if (chip->ebus->flag) {
-                writeb(val, chip->port + (offset << 2));
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-                sbus_writeb(val, chip->port + (offset << 2));
-#endif
-#ifdef EBUS_SUPPORT
-        }
-#endif
-#ifdef LEGACY_SUPPORT
         outb(val, chip->port + offset);
-#endif
 }
 
-static __CS4231_INLINE__ u8 cs4231_inb(cs4231_t *chip, u8 offset)
+static inline u8 cs4231_inb(cs4231_t *chip, u8 offset)
 {
-#ifdef EBUS_SUPPORT
-        if (chip->ebus_flag) {
-                return readb(chip->port + (offset << 2));
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-                return sbus_readb(chip->port + (offset << 2));
-#endif
-#ifdef EBUS_SUPPORT
-        }
-#endif
-#ifdef LEGACY_SUPPORT
         return inb(chip->port + offset);
-#endif
 }
 
 static void snd_cs4231_outm(cs4231_t *chip, unsigned char reg,
@@ -874,7 +842,6 @@ static int snd_cs4231_playback_hw_free(snd_pcm_substream_t * substream)
         return snd_pcm_lib_free_pages(substream);
 }
 
-#ifdef LEGACY_SUPPORT
 static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
@@ -896,7 +863,6 @@ static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
 #endif
         return 0;
 }
-#endif /* LEGACY_SUPPORT */
 
 static int snd_cs4231_capture_hw_params(snd_pcm_substream_t * substream,
                                         snd_pcm_hw_params_t * hw_params)
@@ -918,7 +884,6 @@ static int snd_cs4231_capture_hw_free(snd_pcm_substream_t * substream)
         return snd_pcm_lib_free_pages(substream);
 }
 
-#ifdef LEGACY_SUPPORT
 static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
@@ -942,7 +907,6 @@ static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
         spin_unlock_irqrestore(&chip->reg_lock, flags);
         return 0;
 }
-#endif
 
 static void snd_cs4231_overrange(cs4231_t *chip)
 {
@@ -998,7 +962,6 @@ irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-#ifdef LEGACY_SUPPORT
 static snd_pcm_uframes_t snd_cs4231_playback_pointer(snd_pcm_substream_t * substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
@@ -1020,7 +983,6 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(snd_pcm_substream_t * substr
         ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
         return bytes_to_frames(substream->runtime, ptr);
 }
-#endif /* LEGACY_SUPPORT */
 
 /*
 
@@ -1253,7 +1215,6 @@ static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
             chip->hardware == CS4231_HW_CS4239)
                 runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE;
 
-#ifdef LEGACY_SUPPORT
         snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
         snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
 
@@ -1261,20 +1222,14 @@ static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
                 if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma1)) < 0)
                         return err;
         }
-#endif
 
         if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) {
-#ifdef LEGACY_SUPPORT
                 if (chip->release_dma)
                         chip->release_dma(chip, chip->dma_private_data, chip->dma1);
-#endif
                 snd_free_pages(runtime->dma_area, runtime->dma_bytes);
                 return err;
         }
         chip->playback_substream = substream;
-#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
-        chip->p_periods_sent = 0;
-#endif
         snd_pcm_set_sync(substream);
         chip->rate_constraint(runtime);
         return 0;
@@ -1293,7 +1248,6 @@ static int snd_cs4231_capture_open(snd_pcm_substream_t * substream)
             chip->hardware == CS4231_HW_CS4239)
                 runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE;
 
-#ifdef LEGACY_SUPPORT
         snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
         snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
 
@@ -1301,20 +1255,14 @@ static int snd_cs4231_capture_open(snd_pcm_substream_t * substream)
                 if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma2)) < 0)
                         return err;
         }
-#endif
 
         if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) {
-#ifdef LEGACY_SUPPORT
                 if (chip->release_dma)
                         chip->release_dma(chip, chip->dma_private_data, chip->dma2);
-#endif
                 snd_free_pages(runtime->dma_area, runtime->dma_bytes);
                 return err;
         }
         chip->capture_substream = substream;
-#if defined(SBUS_SUPPORT) || defined(EBUS_SUPPORT)
-        chip->c_periods_sent = 0;
-#endif
         snd_pcm_set_sync(substream);
         chip->rate_constraint(runtime);
         return 0;
@@ -1413,8 +1361,6 @@ static int snd_cs4231_pm_resume(snd_card_t *card)
 }
 #endif /* CONFIG_PM */
 
-#ifdef LEGACY_SUPPORT
-
 static int snd_cs4231_free(cs4231_t *chip)
 {
         release_and_free_resource(chip->res_port);
@@ -1444,8 +1390,6 @@ static int snd_cs4231_dev_free(snd_device_t *device)
         return snd_cs4231_free(chip);   
 }
 
-#endif /* LEGACY_SUPPORT */
-
 const char *snd_cs4231_chip_id(cs4231_t *chip)
 {
         switch (chip->hardware) {
@@ -1493,8 +1437,6 @@ static int snd_cs4231_new(snd_card_t * card,
         return 0;
 }
 
-#ifdef LEGACY_SUPPORT
-
 int snd_cs4231_create(snd_card_t * card,
                       unsigned long port,
                       unsigned long cport,
@@ -1581,8 +1523,6 @@ int snd_cs4231_create(snd_card_t * card,
         return 0;
 }
 
-#endif /* LEGACY_SUPPORT */
-
 static snd_pcm_ops_t snd_cs4231_playback_ops = {
         .open =         snd_cs4231_playback_open,
         .close =        snd_cs4231_playback_close,
@@ -1629,27 +1569,9 @@ int snd_cs4231_pcm(cs4231_t *chip, int device, snd_pcm_t **rpcm)
                 pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
         strcpy(pcm->name, snd_cs4231_chip_id(chip));
 
-#ifdef LEGACY_SUPPORT
         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                                               snd_dma_isa_data(),
                                               64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
-#else
-#  ifdef EBUS_SUPPORT
-        if (chip->ebus_flag) {
-                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                                      chip->dev_u.pdev,
-                                                      64*1024, 128*1024);
-        } else {
-#  endif
-#  ifdef SBUS_SUPPORT
-                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
-                                                      chip->dev_u.sdev,
-                                                      64*1024, 128*1024);
-#  endif
-#  ifdef EBUS_SUPPORT
-        }
-#  endif
-#endif
 
         chip->pcm = pcm;
         if (rpcm)