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ALSA: sscape: coding style fixes
Fix coding style errors in the driver. Also, add missing argument for CMD_XXX_MIDI_VOL command. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Krzysztof Helt
Takashi Iwai
parent
ed76f652d5
commit
6fcfa3959a
1 changed files with 83 additions and 86 deletions
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@ -109,14 +109,14 @@ MODULE_DEVICE_TABLE(pnp_card, sscape_pnpids);
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#define RX_READY 0x01
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#define TX_READY 0x02
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#define CMD_ACK 0x80
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#define CMD_SET_MIDI_VOL 0x84
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#define CMD_GET_MIDI_VOL 0x85
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#define CMD_XXX_MIDI_VOL 0x86
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#define CMD_SET_EXTMIDI 0x8a
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#define CMD_GET_EXTMIDI 0x8b
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#define CMD_SET_MT32 0x8c
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#define CMD_GET_MT32 0x8d
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#define CMD_ACK 0x80
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#define CMD_SET_MIDI_VOL 0x84
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#define CMD_GET_MIDI_VOL 0x85
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#define CMD_XXX_MIDI_VOL 0x86
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#define CMD_SET_EXTMIDI 0x8a
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#define CMD_GET_EXTMIDI 0x8b
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#define CMD_SET_MT32 0x8c
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#define CMD_GET_MT32 0x8d
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enum GA_REG {
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GA_INTSTAT_REG = 0,
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@ -166,10 +166,12 @@ static inline struct soundscape *get_card_soundscape(struct snd_card *c)
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* I think this means that the memory has to map to
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* contiguous pages of physical memory.
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*/
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static struct snd_dma_buffer *get_dmabuf(struct snd_dma_buffer *buf, unsigned long size)
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static struct snd_dma_buffer *get_dmabuf(struct snd_dma_buffer *buf,
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unsigned long size)
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{
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if (buf) {
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if (snd_dma_alloc_pages_fallback(SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(),
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if (snd_dma_alloc_pages_fallback(SNDRV_DMA_TYPE_DEV,
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snd_dma_isa_data(),
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size, buf) < 0) {
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snd_printk(KERN_ERR "sscape: Failed to allocate "
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"%lu bytes for DMA\n",
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@ -190,13 +192,13 @@ static void free_dmabuf(struct snd_dma_buffer *buf)
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snd_dma_free_pages(buf);
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}
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/*
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* This function writes to the SoundScape's control registers,
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* but doesn't do any locking. It's up to the caller to do that.
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* This is why this function is "unsafe" ...
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*/
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static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg, unsigned char val)
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static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg,
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unsigned char val)
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{
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outb(reg, ODIE_ADDR_IO(io_base));
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outb(val, ODIE_DATA_IO(io_base));
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@ -206,7 +208,8 @@ static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg, unsign
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* Write to the SoundScape's control registers, and do the
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* necessary locking ...
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*/
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static void sscape_write(struct soundscape *s, enum GA_REG reg, unsigned char val)
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static void sscape_write(struct soundscape *s, enum GA_REG reg,
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unsigned char val)
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{
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unsigned long flags;
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@ -219,7 +222,8 @@ static void sscape_write(struct soundscape *s, enum GA_REG reg, unsigned char va
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* Read from the SoundScape's control registers, but leave any
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* locking to the caller. This is why the function is "unsafe" ...
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*/
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static inline unsigned char sscape_read_unsafe(unsigned io_base, enum GA_REG reg)
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static inline unsigned char sscape_read_unsafe(unsigned io_base,
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enum GA_REG reg)
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{
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outb(reg, ODIE_ADDR_IO(io_base));
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return inb(ODIE_DATA_IO(io_base));
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@ -248,9 +252,8 @@ static inline void set_midi_mode_unsafe(unsigned io_base)
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static inline int host_read_unsafe(unsigned io_base)
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{
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int data = -1;
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if ((inb(HOST_CTRL_IO(io_base)) & RX_READY) != 0) {
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if ((inb(HOST_CTRL_IO(io_base)) & RX_READY) != 0)
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data = inb(HOST_DATA_IO(io_base));
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}
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return data;
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}
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@ -292,7 +295,7 @@ static inline int host_write_unsafe(unsigned io_base, unsigned char data)
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* Also leaves all locking-issues to the caller ...
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*/
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static int host_write_ctrl_unsafe(unsigned io_base, unsigned char data,
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unsigned timeout)
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unsigned timeout)
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{
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int err;
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@ -311,7 +314,7 @@ static int host_write_ctrl_unsafe(unsigned io_base, unsigned char data,
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*
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* NOTE: This check is based upon observation, not documentation.
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*/
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static inline int verify_mpu401(const struct snd_mpu401 * mpu)
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static inline int verify_mpu401(const struct snd_mpu401 *mpu)
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{
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return ((inb(MPU401C(mpu)) & 0xc0) == 0x80);
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}
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@ -319,7 +322,7 @@ static inline int verify_mpu401(const struct snd_mpu401 * mpu)
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/*
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* This is apparently the standard way to initailise an MPU-401
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*/
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static inline void initialise_mpu401(const struct snd_mpu401 * mpu)
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static inline void initialise_mpu401(const struct snd_mpu401 *mpu)
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{
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outb(0, MPU401D(mpu));
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}
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@ -329,9 +332,10 @@ static inline void initialise_mpu401(const struct snd_mpu401 * mpu)
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* The AD1845 detection fails if we *don't* do this, so I
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* think that this is a good idea ...
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*/
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static inline void activate_ad1845_unsafe(unsigned io_base)
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static void activate_ad1845_unsafe(unsigned io_base)
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{
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sscape_write_unsafe(io_base, GA_HMCTL_REG, (sscape_read_unsafe(io_base, GA_HMCTL_REG) & 0xcf) | 0x10);
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unsigned char val = sscape_read_unsafe(io_base, GA_HMCTL_REG);
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sscape_write_unsafe(io_base, GA_HMCTL_REG, (val & 0xcf) | 0x10);
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sscape_write_unsafe(io_base, GA_CDCFG_REG, 0x80);
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}
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@ -350,24 +354,27 @@ static void soundscape_free(struct snd_card *c)
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* Tell the SoundScape to begin a DMA tranfer using the given channel.
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* All locking issues are left to the caller.
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*/
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static inline void sscape_start_dma_unsafe(unsigned io_base, enum GA_REG reg)
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static void sscape_start_dma_unsafe(unsigned io_base, enum GA_REG reg)
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{
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sscape_write_unsafe(io_base, reg, sscape_read_unsafe(io_base, reg) | 0x01);
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sscape_write_unsafe(io_base, reg, sscape_read_unsafe(io_base, reg) & 0xfe);
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sscape_write_unsafe(io_base, reg,
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sscape_read_unsafe(io_base, reg) | 0x01);
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sscape_write_unsafe(io_base, reg,
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sscape_read_unsafe(io_base, reg) & 0xfe);
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}
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/*
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* Wait for a DMA transfer to complete. This is a "limited busy-wait",
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* and all locking issues are left to the caller.
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*/
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static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg, unsigned timeout)
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static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg,
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unsigned timeout)
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{
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while (!(sscape_read_unsafe(io_base, reg) & 0x01) && (timeout != 0)) {
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udelay(100);
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--timeout;
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} /* while */
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return (sscape_read_unsafe(io_base, reg) & 0x01);
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return sscape_read_unsafe(io_base, reg) & 0x01;
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}
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/*
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@ -427,13 +434,13 @@ static int host_startup_ack(struct soundscape *s, unsigned timeout)
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/*
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* Upload a byte-stream into the SoundScape using DMA channel A.
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*/
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static int upload_dma_data(struct soundscape *s,
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const unsigned char *data,
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size_t size)
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static int upload_dma_data(struct soundscape *s, const unsigned char *data,
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size_t size)
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{
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unsigned long flags;
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struct snd_dma_buffer dma;
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int ret;
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unsigned char val;
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if (!get_dmabuf(&dma, PAGE_ALIGN(32 * 1024)))
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return -ENOMEM;
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@ -443,18 +450,21 @@ static int upload_dma_data(struct soundscape *s,
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/*
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* Reset the board ...
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*/
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f);
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val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val & 0x3f);
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/*
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* Enable the DMA channels and configure them ...
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*/
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sscape_write_unsafe(s->io_base, GA_DMAA_REG, (s->chip->dma1 << 4) | DMA_8BIT);
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val = (s->chip->dma1 << 4) | DMA_8BIT;
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sscape_write_unsafe(s->io_base, GA_DMAA_REG, val);
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sscape_write_unsafe(s->io_base, GA_DMAB_REG, 0x20);
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/*
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* Take the board out of reset ...
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*/
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 0x80);
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val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x80);
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/*
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* Upload the firmware to the SoundScape
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@ -472,7 +482,7 @@ static int upload_dma_data(struct soundscape *s,
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sscape_start_dma_unsafe(s->io_base, GA_DMAA_REG);
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if (!sscape_wait_dma_unsafe(s->io_base, GA_DMAA_REG, 5000)) {
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/*
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* Don't forget to release this spinlock we're holding ...
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* Don't forget to release this spinlock we're holding
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*/
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spin_unlock_irqrestore(&s->lock, flags);
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@ -489,7 +499,8 @@ static int upload_dma_data(struct soundscape *s,
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/*
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* Boot the board ... (I think)
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*/
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 0x40);
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val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x40);
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spin_unlock_irqrestore(&s->lock, flags);
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/*
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@ -591,7 +602,7 @@ static int sscape_upload_microcode(struct snd_card *card, int version)
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* Mixer control for the SoundScape's MIDI device.
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*/
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static int sscape_midi_info(struct snd_kcontrol *ctl,
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struct snd_ctl_elem_info *uinfo)
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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@ -601,7 +612,7 @@ static int sscape_midi_info(struct snd_kcontrol *ctl,
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}
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static int sscape_midi_get(struct snd_kcontrol *kctl,
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struct snd_ctl_elem_value *uctl)
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struct snd_ctl_elem_value *uctl)
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{
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struct snd_wss *chip = snd_kcontrol_chip(kctl);
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struct snd_card *card = chip->card;
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@ -615,16 +626,18 @@ static int sscape_midi_get(struct snd_kcontrol *kctl,
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}
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static int sscape_midi_put(struct snd_kcontrol *kctl,
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struct snd_ctl_elem_value *uctl)
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struct snd_ctl_elem_value *uctl)
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{
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struct snd_wss *chip = snd_kcontrol_chip(kctl);
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struct snd_card *card = chip->card;
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register struct soundscape *s = get_card_soundscape(card);
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struct soundscape *s = get_card_soundscape(card);
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unsigned long flags;
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int change;
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unsigned char new_val;
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spin_lock_irqsave(&s->lock, flags);
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new_val = uctl->value.integer.value[0] & 127;
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/*
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* We need to put the board into HOST mode before we
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* can send any volume-changing HOST commands ...
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@ -637,15 +650,16 @@ static int sscape_midi_put(struct snd_kcontrol *kctl,
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* and then perform another volume-related command. Perhaps the
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* first command is an "open" and the second command is a "close"?
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*/
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if (s->midi_vol == ((unsigned char) uctl->value.integer. value[0] & 127)) {
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if (s->midi_vol == new_val) {
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change = 0;
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goto __skip_change;
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}
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change = (host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100)
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&& host_write_ctrl_unsafe(s->io_base, ((unsigned char) uctl->value.integer. value[0]) & 127, 100)
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&& host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100));
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s->midi_vol = (unsigned char) uctl->value.integer.value[0] & 127;
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__skip_change:
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change = host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100)
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&& host_write_ctrl_unsafe(s->io_base, new_val, 100)
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&& host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100)
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&& host_write_ctrl_unsafe(s->io_base, new_val, 100);
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s->midi_vol = new_val;
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__skip_change:
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/*
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* Take the board out of HOST mode and back into MIDI mode ...
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@ -738,7 +752,7 @@ static int __devinit detect_sscape(struct soundscape *s, long wss_io)
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if (s->type == SSCAPE_VIVO)
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wss_io += 4;
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d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
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d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
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/* wait for WSS codec */
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@ -762,7 +776,7 @@ static int __devinit detect_sscape(struct soundscape *s, long wss_io)
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if ((inb(wss_io) & 0x80) != 0)
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s->type = MEDIA_FX;
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d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
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d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
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sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
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/* wait for WSS codec */
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for (d = 0; d < 500; d++) {
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@ -778,7 +792,7 @@ static int __devinit detect_sscape(struct soundscape *s, long wss_io)
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*/
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retval = 1;
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_done:
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_done:
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spin_unlock_irqrestore(&s->lock, flags);
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return retval;
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}
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@ -789,7 +803,7 @@ static int __devinit detect_sscape(struct soundscape *s, long wss_io)
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* to crash the machine. Also check that someone isn't using the hardware
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* IOCTL device.
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*/
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static int mpu401_open(struct snd_mpu401 * mpu)
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static int mpu401_open(struct snd_mpu401 *mpu)
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{
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if (!verify_mpu401(mpu)) {
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snd_printk(KERN_ERR "sscape: MIDI disabled, "
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@ -803,18 +817,18 @@ static int mpu401_open(struct snd_mpu401 * mpu)
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/*
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* Initialse an MPU-401 subdevice for MIDI support on the SoundScape.
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*/
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static int __devinit create_mpu401(struct snd_card *card, int devnum, unsigned long port, int irq)
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static int __devinit create_mpu401(struct snd_card *card, int devnum,
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unsigned long port, int irq)
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{
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struct soundscape *sscape = get_card_soundscape(card);
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struct snd_rawmidi *rawmidi;
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int err;
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if ((err = snd_mpu401_uart_new(card, devnum,
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MPU401_HW_MPU401,
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port, MPU401_INFO_INTEGRATED,
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irq, IRQF_DISABLED,
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&rawmidi)) == 0) {
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struct snd_mpu401 *mpu = (struct snd_mpu401 *) rawmidi->private_data;
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err = snd_mpu401_uart_new(card, devnum, MPU401_HW_MPU401, port,
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MPU401_INFO_INTEGRATED, irq, IRQF_DISABLED,
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&rawmidi);
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if (err == 0) {
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struct snd_mpu401 *mpu = rawmidi->private_data;
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mpu->open_input = mpu401_open;
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mpu->open_output = mpu401_open;
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mpu->private_data = sscape;
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@ -866,19 +880,6 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
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unsigned long flags;
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struct snd_pcm *pcm;
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/*
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* It turns out that the PLAYBACK_ENABLE bit is set
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* by the lowlevel driver ...
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*
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#define AD1845_IFACE_CONFIG \
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(CS4231_AUTOCALIB | CS4231_RECORD_ENABLE | CS4231_PLAYBACK_ENABLE)
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snd_wss_mce_up(chip);
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spin_lock_irqsave(&chip->reg_lock, flags);
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snd_wss_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG);
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spin_unlock_irqrestore(&chip->reg_lock, flags);
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snd_wss_mce_down(chip);
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*/
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if (sscape->type != SSCAPE_VIVO) {
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/*
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* The input clock frequency on the SoundScape must
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@ -928,7 +929,7 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
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sscape->chip = chip;
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}
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_error:
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_error:
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return err;
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}
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@ -1034,7 +1035,6 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
|
|||
*/
|
||||
spin_lock_irqsave(&sscape->lock, flags);
|
||||
|
||||
sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x00); /* disable */
|
||||
sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2e);
|
||||
sscape_write_unsafe(sscape->io_base, GA_SMCFGB_REG, 0x00);
|
||||
|
||||
|
|
@ -1055,6 +1055,10 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
|
|||
sscape_write_unsafe(sscape->io_base,
|
||||
GA_CDCFG_REG, 0x09 | DMA_8BIT
|
||||
| (dma[dev] << 4) | (irq_cfg << 1));
|
||||
/*
|
||||
* Enable the master IRQ ...
|
||||
*/
|
||||
sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x80);
|
||||
|
||||
spin_unlock_irqrestore(&sscape->lock, flags);
|
||||
|
||||
|
|
@ -1093,11 +1097,6 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
|
|||
goto _release_dma;
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable the master IRQ ...
|
||||
*/
|
||||
sscape_write(sscape, GA_INTENA_REG, 0x80);
|
||||
|
||||
/*
|
||||
* Initialize mixer
|
||||
*/
|
||||
|
|
@ -1155,7 +1154,8 @@ static int __devinit snd_sscape_match(struct device *pdev, unsigned int i)
|
|||
mpu_irq[i] == SNDRV_AUTO_IRQ ||
|
||||
dma[i] == SNDRV_AUTO_DMA) {
|
||||
printk(KERN_INFO
|
||||
"sscape: insufficient parameters, need IO, IRQ, MPU-IRQ and DMA\n");
|
||||
"sscape: insufficient parameters, "
|
||||
"need IO, IRQ, MPU-IRQ and DMA\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -1183,7 +1183,8 @@ static int __devinit snd_sscape_probe(struct device *pdev, unsigned int dev)
|
|||
if (ret < 0)
|
||||
goto _release_card;
|
||||
|
||||
if ((ret = snd_card_register(card)) < 0) {
|
||||
ret = snd_card_register(card);
|
||||
if (ret < 0) {
|
||||
snd_printk(KERN_ERR "sscape: Failed to register sound card\n");
|
||||
goto _release_card;
|
||||
}
|
||||
|
|
@ -1236,20 +1237,15 @@ static int __devinit sscape_pnp_detect(struct pnp_card_link *pcard,
|
|||
* Allow this function to fail *quietly* if all the ISA PnP
|
||||
* devices were configured using module parameters instead.
|
||||
*/
|
||||
if ((idx = get_next_autoindex(idx)) >= SNDRV_CARDS)
|
||||
idx = get_next_autoindex(idx);
|
||||
if (idx >= SNDRV_CARDS)
|
||||
return -ENOSPC;
|
||||
|
||||
/*
|
||||
* We have found a candidate ISA PnP card. Now we
|
||||
* have to check that it has the devices that we
|
||||
* expect it to have.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Check that we still have room for another sound card ...
|
||||
*/
|
||||
dev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
|
||||
if (! dev)
|
||||
if (!dev)
|
||||
return -ENODEV;
|
||||
|
||||
if (!pnp_is_active(dev)) {
|
||||
|
|
@ -1298,7 +1294,8 @@ static int __devinit sscape_pnp_detect(struct pnp_card_link *pcard,
|
|||
if (ret < 0)
|
||||
goto _release_card;
|
||||
|
||||
if ((ret = snd_card_register(card)) < 0) {
|
||||
ret = snd_card_register(card);
|
||||
if (ret < 0) {
|
||||
snd_printk(KERN_ERR "sscape: Failed to register sound card\n");
|
||||
goto _release_card;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue