[ALSA] Clean up serial-u16500.c
Remove uesless typedefs and clean up the code a bit to follow the standard coding style. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai
Jaroslav Kysela
Родитель
5b78efd2ef
Коммит
0b830bac35
|
|
@ -117,13 +117,13 @@ MODULE_PARM_DESC(adaptor, "Type of adaptor.");
|
|||
#define SERIAL_MODE_INPUT_TRIGGERED (1 << 2)
|
||||
#define SERIAL_MODE_OUTPUT_TRIGGERED (1 << 3)
|
||||
|
||||
typedef struct _snd_uart16550 {
|
||||
struct snd_uart16550 {
|
||||
struct snd_card *card;
|
||||
struct snd_rawmidi *rmidi;
|
||||
struct snd_rawmidi_substream *midi_output[SNDRV_SERIAL_MAX_OUTS];
|
||||
struct snd_rawmidi_substream *midi_input[SNDRV_SERIAL_MAX_INS];
|
||||
|
||||
int filemode; //open status of file
|
||||
int filemode; /* open status of file */
|
||||
|
||||
spinlock_t open_lock;
|
||||
|
||||
|
|
@ -140,39 +140,39 @@ typedef struct _snd_uart16550 {
|
|||
unsigned char old_divisor_msb;
|
||||
unsigned char old_line_ctrl_reg;
|
||||
|
||||
// parameter for using of write loop
|
||||
short int fifo_limit; //used in uart16550
|
||||
short int fifo_count; //used in uart16550
|
||||
/* parameter for using of write loop */
|
||||
short int fifo_limit; /* used in uart16550 */
|
||||
short int fifo_count; /* used in uart16550 */
|
||||
|
||||
// type of adaptor
|
||||
/* type of adaptor */
|
||||
int adaptor;
|
||||
|
||||
// inputs
|
||||
/* inputs */
|
||||
int prev_in;
|
||||
unsigned char rstatus;
|
||||
|
||||
// outputs
|
||||
/* outputs */
|
||||
int prev_out;
|
||||
unsigned char prev_status[SNDRV_SERIAL_MAX_OUTS];
|
||||
|
||||
// write buffer and its writing/reading position
|
||||
/* write buffer and its writing/reading position */
|
||||
unsigned char tx_buff[TX_BUFF_SIZE];
|
||||
int buff_in_count;
|
||||
int buff_in;
|
||||
int buff_out;
|
||||
int drop_on_full;
|
||||
|
||||
// wait timer
|
||||
/* wait timer */
|
||||
unsigned int timer_running:1;
|
||||
struct timer_list buffer_timer;
|
||||
|
||||
} snd_uart16550_t;
|
||||
};
|
||||
|
||||
static struct platform_device *devices[SNDRV_CARDS];
|
||||
|
||||
static inline void snd_uart16550_add_timer(snd_uart16550_t *uart)
|
||||
static inline void snd_uart16550_add_timer(struct snd_uart16550 *uart)
|
||||
{
|
||||
if (! uart->timer_running) {
|
||||
if (!uart->timer_running) {
|
||||
/* timer 38600bps * 10bit * 16byte */
|
||||
uart->buffer_timer.expires = jiffies + (HZ+255)/256;
|
||||
uart->timer_running = 1;
|
||||
|
|
@ -180,7 +180,7 @@ static inline void snd_uart16550_add_timer(snd_uart16550_t *uart)
|
|||
}
|
||||
}
|
||||
|
||||
static inline void snd_uart16550_del_timer(snd_uart16550_t *uart)
|
||||
static inline void snd_uart16550_del_timer(struct snd_uart16550 *uart)
|
||||
{
|
||||
if (uart->timer_running) {
|
||||
del_timer(&uart->buffer_timer);
|
||||
|
|
@ -189,10 +189,10 @@ static inline void snd_uart16550_del_timer(snd_uart16550_t *uart)
|
|||
}
|
||||
|
||||
/* This macro is only used in snd_uart16550_io_loop */
|
||||
static inline void snd_uart16550_buffer_output(snd_uart16550_t *uart)
|
||||
static inline void snd_uart16550_buffer_output(struct snd_uart16550 *uart)
|
||||
{
|
||||
unsigned short buff_out = uart->buff_out;
|
||||
if( uart->buff_in_count > 0 ) {
|
||||
if (uart->buff_in_count > 0) {
|
||||
outb(uart->tx_buff[buff_out], uart->base + UART_TX);
|
||||
uart->fifo_count++;
|
||||
buff_out++;
|
||||
|
|
@ -206,7 +206,7 @@ static inline void snd_uart16550_buffer_output(snd_uart16550_t *uart)
|
|||
* We don't want to interrupt this,
|
||||
* as we're already handling an interrupt
|
||||
*/
|
||||
static void snd_uart16550_io_loop(snd_uart16550_t * uart)
|
||||
static void snd_uart16550_io_loop(struct snd_uart16550 * uart)
|
||||
{
|
||||
unsigned char c, status;
|
||||
int substream;
|
||||
|
|
@ -220,9 +220,8 @@ static void snd_uart16550_io_loop(snd_uart16550_t * uart)
|
|||
c = inb(uart->base + UART_RX);
|
||||
|
||||
/* keep track of last status byte */
|
||||
if (c & 0x80) {
|
||||
if (c & 0x80)
|
||||
uart->rstatus = c;
|
||||
}
|
||||
|
||||
/* handle stream switch */
|
||||
if (uart->adaptor == SNDRV_SERIAL_GENERIC) {
|
||||
|
|
@ -230,14 +229,16 @@ static void snd_uart16550_io_loop(snd_uart16550_t * uart)
|
|||
if (c <= SNDRV_SERIAL_MAX_INS && c > 0)
|
||||
substream = c - 1;
|
||||
if (c != 0xf5)
|
||||
uart->rstatus = 0; /* prevent future bytes from being interpreted as streams */
|
||||
}
|
||||
else if ((uart->filemode & SERIAL_MODE_INPUT_OPEN) && (uart->midi_input[substream] != NULL)) {
|
||||
snd_rawmidi_receive(uart->midi_input[substream], &c, 1);
|
||||
}
|
||||
} else if ((uart->filemode & SERIAL_MODE_INPUT_OPEN) && (uart->midi_input[substream] != NULL)) {
|
||||
/* prevent future bytes from being
|
||||
interpreted as streams */
|
||||
uart->rstatus = 0;
|
||||
} else if ((uart->filemode & SERIAL_MODE_INPUT_OPEN)
|
||||
&& uart->midi_input[substream])
|
||||
snd_rawmidi_receive(uart->midi_input[substream],
|
||||
&c, 1);
|
||||
} else if ((uart->filemode & SERIAL_MODE_INPUT_OPEN) &&
|
||||
uart->midi_input[substream])
|
||||
snd_rawmidi_receive(uart->midi_input[substream], &c, 1);
|
||||
}
|
||||
|
||||
if (status & UART_LSR_OE)
|
||||
snd_printk("%s: Overrun on device at 0x%lx\n",
|
||||
|
|
@ -250,21 +251,20 @@ static void snd_uart16550_io_loop(snd_uart16550_t * uart)
|
|||
/* no need of check SERIAL_MODE_OUTPUT_OPEN because if not,
|
||||
buffer is never filled. */
|
||||
/* Check write status */
|
||||
if (status & UART_LSR_THRE) {
|
||||
if (status & UART_LSR_THRE)
|
||||
uart->fifo_count = 0;
|
||||
}
|
||||
if (uart->adaptor == SNDRV_SERIAL_MS124W_SA
|
||||
|| uart->adaptor == SNDRV_SERIAL_GENERIC) {
|
||||
/* Can't use FIFO, must send only when CTS is true */
|
||||
status = inb(uart->base + UART_MSR);
|
||||
while( (uart->fifo_count == 0) && (status & UART_MSR_CTS) &&
|
||||
(uart->buff_in_count > 0) ) {
|
||||
while (uart->fifo_count == 0 && (status & UART_MSR_CTS) &&
|
||||
uart->buff_in_count > 0) {
|
||||
snd_uart16550_buffer_output(uart);
|
||||
status = inb( uart->base + UART_MSR );
|
||||
status = inb(uart->base + UART_MSR);
|
||||
}
|
||||
} else {
|
||||
/* Write loop */
|
||||
while (uart->fifo_count < uart->fifo_limit /* Can we write ? */
|
||||
while (uart->fifo_count < uart->fifo_limit /* Can we write ? */
|
||||
&& uart->buff_in_count > 0) /* Do we want to? */
|
||||
snd_uart16550_buffer_output(uart);
|
||||
}
|
||||
|
|
@ -294,15 +294,16 @@ static void snd_uart16550_io_loop(snd_uart16550_t * uart)
|
|||
*/
|
||||
static irqreturn_t snd_uart16550_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
snd_uart16550_t *uart;
|
||||
struct snd_uart16550 *uart;
|
||||
|
||||
uart = (snd_uart16550_t *) dev_id;
|
||||
uart = dev_id;
|
||||
spin_lock(&uart->open_lock);
|
||||
if (uart->filemode == SERIAL_MODE_NOT_OPENED) {
|
||||
spin_unlock(&uart->open_lock);
|
||||
return IRQ_NONE;
|
||||
}
|
||||
inb(uart->base + UART_IIR); /* indicate to the UART that the interrupt has been serviced */
|
||||
/* indicate to the UART that the interrupt has been serviced */
|
||||
inb(uart->base + UART_IIR);
|
||||
snd_uart16550_io_loop(uart);
|
||||
spin_unlock(&uart->open_lock);
|
||||
return IRQ_HANDLED;
|
||||
|
|
@ -312,9 +313,9 @@ static irqreturn_t snd_uart16550_interrupt(int irq, void *dev_id)
|
|||
static void snd_uart16550_buffer_timer(unsigned long data)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart;
|
||||
struct snd_uart16550 *uart;
|
||||
|
||||
uart = (snd_uart16550_t *)data;
|
||||
uart = (struct snd_uart16550 *)data;
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
snd_uart16550_del_timer(uart);
|
||||
snd_uart16550_io_loop(uart);
|
||||
|
|
@ -326,7 +327,7 @@ static void snd_uart16550_buffer_timer(unsigned long data)
|
|||
* return 0 if found
|
||||
* return negative error if not found
|
||||
*/
|
||||
static int __init snd_uart16550_detect(snd_uart16550_t *uart)
|
||||
static int __init snd_uart16550_detect(struct snd_uart16550 *uart)
|
||||
{
|
||||
unsigned long io_base = uart->base;
|
||||
int ok;
|
||||
|
|
@ -343,7 +344,8 @@ static int __init snd_uart16550_detect(snd_uart16550_t *uart)
|
|||
return -EBUSY;
|
||||
}
|
||||
|
||||
ok = 1; /* uart detected unless one of the following tests should fail */
|
||||
/* uart detected unless one of the following tests should fail */
|
||||
ok = 1;
|
||||
/* 8 data-bits, 1 stop-bit, parity off, DLAB = 0 */
|
||||
outb(UART_LCR_WLEN8, io_base + UART_LCR); /* Line Control Register */
|
||||
c = inb(io_base + UART_IER);
|
||||
|
|
@ -368,7 +370,7 @@ static int __init snd_uart16550_detect(snd_uart16550_t *uart)
|
|||
return ok;
|
||||
}
|
||||
|
||||
static void snd_uart16550_do_open(snd_uart16550_t * uart)
|
||||
static void snd_uart16550_do_open(struct snd_uart16550 * uart)
|
||||
{
|
||||
char byte;
|
||||
|
||||
|
|
@ -460,7 +462,7 @@ static void snd_uart16550_do_open(snd_uart16550_t * uart)
|
|||
inb(uart->base + UART_RX); /* Clear any pre-existing receive interrupt */
|
||||
}
|
||||
|
||||
static void snd_uart16550_do_close(snd_uart16550_t * uart)
|
||||
static void snd_uart16550_do_close(struct snd_uart16550 * uart)
|
||||
{
|
||||
if (uart->irq < 0)
|
||||
snd_uart16550_del_timer(uart);
|
||||
|
|
@ -514,7 +516,7 @@ static void snd_uart16550_do_close(snd_uart16550_t * uart)
|
|||
static int snd_uart16550_input_open(struct snd_rawmidi_substream *substream)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
if (uart->filemode == SERIAL_MODE_NOT_OPENED)
|
||||
|
|
@ -528,7 +530,7 @@ static int snd_uart16550_input_open(struct snd_rawmidi_substream *substream)
|
|||
static int snd_uart16550_input_close(struct snd_rawmidi_substream *substream)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
uart->filemode &= ~SERIAL_MODE_INPUT_OPEN;
|
||||
|
|
@ -539,24 +541,24 @@ static int snd_uart16550_input_close(struct snd_rawmidi_substream *substream)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static void snd_uart16550_input_trigger(struct snd_rawmidi_substream *substream, int up)
|
||||
static void snd_uart16550_input_trigger(struct snd_rawmidi_substream *substream,
|
||||
int up)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
if (up) {
|
||||
if (up)
|
||||
uart->filemode |= SERIAL_MODE_INPUT_TRIGGERED;
|
||||
} else {
|
||||
else
|
||||
uart->filemode &= ~SERIAL_MODE_INPUT_TRIGGERED;
|
||||
}
|
||||
spin_unlock_irqrestore(&uart->open_lock, flags);
|
||||
}
|
||||
|
||||
static int snd_uart16550_output_open(struct snd_rawmidi_substream *substream)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
if (uart->filemode == SERIAL_MODE_NOT_OPENED)
|
||||
|
|
@ -570,7 +572,7 @@ static int snd_uart16550_output_open(struct snd_rawmidi_substream *substream)
|
|||
static int snd_uart16550_output_close(struct snd_rawmidi_substream *substream)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
uart->filemode &= ~SERIAL_MODE_OUTPUT_OPEN;
|
||||
|
|
@ -581,18 +583,20 @@ static int snd_uart16550_output_close(struct snd_rawmidi_substream *substream)
|
|||
return 0;
|
||||
};
|
||||
|
||||
static inline int snd_uart16550_buffer_can_write( snd_uart16550_t *uart, int Num )
|
||||
static inline int snd_uart16550_buffer_can_write(struct snd_uart16550 *uart,
|
||||
int Num)
|
||||
{
|
||||
if( uart->buff_in_count + Num < TX_BUFF_SIZE )
|
||||
if (uart->buff_in_count + Num < TX_BUFF_SIZE)
|
||||
return 1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int snd_uart16550_write_buffer(snd_uart16550_t *uart, unsigned char byte)
|
||||
static inline int snd_uart16550_write_buffer(struct snd_uart16550 *uart,
|
||||
unsigned char byte)
|
||||
{
|
||||
unsigned short buff_in = uart->buff_in;
|
||||
if( uart->buff_in_count < TX_BUFF_SIZE ) {
|
||||
if (uart->buff_in_count < TX_BUFF_SIZE) {
|
||||
uart->tx_buff[buff_in] = byte;
|
||||
buff_in++;
|
||||
buff_in &= TX_BUFF_MASK;
|
||||
|
|
@ -605,12 +609,14 @@ static inline int snd_uart16550_write_buffer(snd_uart16550_t *uart, unsigned cha
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int snd_uart16550_output_byte(snd_uart16550_t *uart, struct snd_rawmidi_substream *substream, unsigned char midi_byte)
|
||||
static int snd_uart16550_output_byte(struct snd_uart16550 *uart,
|
||||
struct snd_rawmidi_substream *substream,
|
||||
unsigned char midi_byte)
|
||||
{
|
||||
if (uart->buff_in_count == 0 /* Buffer empty? */
|
||||
if (uart->buff_in_count == 0 /* Buffer empty? */
|
||||
&& ((uart->adaptor != SNDRV_SERIAL_MS124W_SA &&
|
||||
uart->adaptor != SNDRV_SERIAL_GENERIC) ||
|
||||
(uart->fifo_count == 0 /* FIFO empty? */
|
||||
(uart->fifo_count == 0 /* FIFO empty? */
|
||||
&& (inb(uart->base + UART_MSR) & UART_MSR_CTS)))) { /* CTS? */
|
||||
|
||||
/* Tx Buffer Empty - try to write immediately */
|
||||
|
|
@ -623,12 +629,13 @@ static int snd_uart16550_output_byte(snd_uart16550_t *uart, struct snd_rawmidi_s
|
|||
uart->fifo_count++;
|
||||
outb(midi_byte, uart->base + UART_TX);
|
||||
} else {
|
||||
/* Cannot write (buffer empty) - put char in buffer */
|
||||
/* Cannot write (buffer empty) -
|
||||
* put char in buffer */
|
||||
snd_uart16550_write_buffer(uart, midi_byte);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if( !snd_uart16550_write_buffer(uart, midi_byte) ) {
|
||||
if (!snd_uart16550_write_buffer(uart, midi_byte)) {
|
||||
snd_printk("%s: Buffer overrun on device at 0x%lx\n",
|
||||
uart->rmidi->name, uart->base);
|
||||
return 0;
|
||||
|
|
@ -642,9 +649,9 @@ static void snd_uart16550_output_write(struct snd_rawmidi_substream *substream)
|
|||
{
|
||||
unsigned long flags;
|
||||
unsigned char midi_byte, addr_byte;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
char first;
|
||||
static unsigned long lasttime=0;
|
||||
static unsigned long lasttime = 0;
|
||||
|
||||
/* Interupts are disabled during the updating of the tx_buff,
|
||||
* since it is 'bad' to have two processes updating the same
|
||||
|
|
@ -653,7 +660,7 @@ static void snd_uart16550_output_write(struct snd_rawmidi_substream *substream)
|
|||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
|
||||
if (uart->irq < 0) //polling
|
||||
if (uart->irq < 0) /* polling */
|
||||
snd_uart16550_io_loop(uart);
|
||||
|
||||
if (uart->adaptor == SNDRV_SERIAL_MS124W_MB) {
|
||||
|
|
@ -671,7 +678,8 @@ static void snd_uart16550_output_write(struct snd_rawmidi_substream *substream)
|
|||
/* select any combination of the four ports */
|
||||
addr_byte = (substream->number << 4) | 0x08;
|
||||
/* ...except none */
|
||||
if (addr_byte == 0x08) addr_byte = 0xf8;
|
||||
if (addr_byte == 0x08)
|
||||
addr_byte = 0xf8;
|
||||
#endif
|
||||
snd_uart16550_output_byte(uart, substream, addr_byte);
|
||||
/* send midi byte */
|
||||
|
|
@ -679,31 +687,42 @@ static void snd_uart16550_output_write(struct snd_rawmidi_substream *substream)
|
|||
}
|
||||
} else {
|
||||
first = 0;
|
||||
while( 1 == snd_rawmidi_transmit_peek(substream, &midi_byte, 1) ) {
|
||||
/* Also send F5 after 3 seconds with no data to handle device disconnect */
|
||||
if (first == 0 && (uart->adaptor == SNDRV_SERIAL_SOUNDCANVAS ||
|
||||
uart->adaptor == SNDRV_SERIAL_GENERIC) &&
|
||||
(uart->prev_out != substream->number || jiffies-lasttime > 3*HZ)) {
|
||||
while (snd_rawmidi_transmit_peek(substream, &midi_byte, 1) == 1) {
|
||||
/* Also send F5 after 3 seconds with no data
|
||||
* to handle device disconnect */
|
||||
if (first == 0 &&
|
||||
(uart->adaptor == SNDRV_SERIAL_SOUNDCANVAS ||
|
||||
uart->adaptor == SNDRV_SERIAL_GENERIC) &&
|
||||
(uart->prev_out != substream->number ||
|
||||
jiffies-lasttime > 3*HZ)) {
|
||||
|
||||
if( snd_uart16550_buffer_can_write( uart, 3 ) ) {
|
||||
if (snd_uart16550_buffer_can_write(uart, 3)) {
|
||||
/* Roland Soundcanvas part selection */
|
||||
/* If this substream of the data is different previous
|
||||
substream in this uart, send the change part event */
|
||||
/* If this substream of the data is
|
||||
* different previous substream
|
||||
* in this uart, send the change part
|
||||
* event
|
||||
*/
|
||||
uart->prev_out = substream->number;
|
||||
/* change part */
|
||||
snd_uart16550_output_byte(uart, substream, 0xf5);
|
||||
snd_uart16550_output_byte(uart, substream,
|
||||
0xf5);
|
||||
/* data */
|
||||
snd_uart16550_output_byte(uart, substream, uart->prev_out + 1);
|
||||
/* If midi_byte is a data byte, send the previous status byte */
|
||||
if ((midi_byte < 0x80) && (uart->adaptor == SNDRV_SERIAL_SOUNDCANVAS))
|
||||
snd_uart16550_output_byte(uart, substream,
|
||||
uart->prev_out + 1);
|
||||
/* If midi_byte is a data byte,
|
||||
* send the previous status byte */
|
||||
if (midi_byte < 0x80 &&
|
||||
uart->adaptor == SNDRV_SERIAL_SOUNDCANVAS)
|
||||
snd_uart16550_output_byte(uart, substream, uart->prev_status[uart->prev_out]);
|
||||
} else if( !uart->drop_on_full )
|
||||
} else if (!uart->drop_on_full)
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
/* send midi byte */
|
||||
if( !snd_uart16550_output_byte(uart, substream, midi_byte) && !uart->drop_on_full )
|
||||
if (!snd_uart16550_output_byte(uart, substream, midi_byte) &&
|
||||
!uart->drop_on_full )
|
||||
break;
|
||||
|
||||
if (midi_byte >= 0x80 && midi_byte < 0xf0)
|
||||
|
|
@ -717,17 +736,17 @@ static void snd_uart16550_output_write(struct snd_rawmidi_substream *substream)
|
|||
spin_unlock_irqrestore(&uart->open_lock, flags);
|
||||
}
|
||||
|
||||
static void snd_uart16550_output_trigger(struct snd_rawmidi_substream *substream, int up)
|
||||
static void snd_uart16550_output_trigger(struct snd_rawmidi_substream *substream,
|
||||
int up)
|
||||
{
|
||||
unsigned long flags;
|
||||
snd_uart16550_t *uart = substream->rmidi->private_data;
|
||||
struct snd_uart16550 *uart = substream->rmidi->private_data;
|
||||
|
||||
spin_lock_irqsave(&uart->open_lock, flags);
|
||||
if (up) {
|
||||
if (up)
|
||||
uart->filemode |= SERIAL_MODE_OUTPUT_TRIGGERED;
|
||||
} else {
|
||||
else
|
||||
uart->filemode &= ~SERIAL_MODE_OUTPUT_TRIGGERED;
|
||||
}
|
||||
spin_unlock_irqrestore(&uart->open_lock, flags);
|
||||
if (up)
|
||||
snd_uart16550_output_write(substream);
|
||||
|
|
@ -747,10 +766,10 @@ static struct snd_rawmidi_ops snd_uart16550_input =
|
|||
.trigger = snd_uart16550_input_trigger,
|
||||
};
|
||||
|
||||
static int snd_uart16550_free(snd_uart16550_t *uart)
|
||||
static int snd_uart16550_free(struct snd_uart16550 *uart)
|
||||
{
|
||||
if (uart->irq >= 0)
|
||||
free_irq(uart->irq, (void *)uart);
|
||||
free_irq(uart->irq, uart);
|
||||
release_and_free_resource(uart->res_base);
|
||||
kfree(uart);
|
||||
return 0;
|
||||
|
|
@ -758,7 +777,7 @@ static int snd_uart16550_free(snd_uart16550_t *uart)
|
|||
|
||||
static int snd_uart16550_dev_free(struct snd_device *device)
|
||||
{
|
||||
snd_uart16550_t *uart = device->device_data;
|
||||
struct snd_uart16550 *uart = device->device_data;
|
||||
return snd_uart16550_free(uart);
|
||||
}
|
||||
|
||||
|
|
@ -769,12 +788,12 @@ static int __init snd_uart16550_create(struct snd_card *card,
|
|||
unsigned int base,
|
||||
int adaptor,
|
||||
int droponfull,
|
||||
snd_uart16550_t **ruart)
|
||||
struct snd_uart16550 **ruart)
|
||||
{
|
||||
static struct snd_device_ops ops = {
|
||||
.dev_free = snd_uart16550_dev_free,
|
||||
};
|
||||
snd_uart16550_t *uart;
|
||||
struct snd_uart16550 *uart;
|
||||
int err;
|
||||
|
||||
|
||||
|
|
@ -795,7 +814,7 @@ static int __init snd_uart16550_create(struct snd_card *card,
|
|||
|
||||
if (irq >= 0 && irq != SNDRV_AUTO_IRQ) {
|
||||
if (request_irq(irq, snd_uart16550_interrupt,
|
||||
IRQF_DISABLED, "Serial MIDI", (void *) uart)) {
|
||||
IRQF_DISABLED, "Serial MIDI", uart)) {
|
||||
snd_printk("irq %d busy. Using Polling.\n", irq);
|
||||
} else {
|
||||
uart->irq = irq;
|
||||
|
|
@ -843,23 +862,28 @@ static int __init snd_uart16550_create(struct snd_card *card,
|
|||
|
||||
static void __init snd_uart16550_substreams(struct snd_rawmidi_str *stream)
|
||||
{
|
||||
struct list_head *list;
|
||||
struct snd_rawmidi_substream *substream;
|
||||
|
||||
list_for_each(list, &stream->substreams) {
|
||||
struct snd_rawmidi_substream *substream = list_entry(list, struct snd_rawmidi_substream, list);
|
||||
list_for_each_entry(substream, &stream->substreams, list) {
|
||||
sprintf(substream->name, "Serial MIDI %d", substream->number + 1);
|
||||
}
|
||||
}
|
||||
|
||||
static int __init snd_uart16550_rmidi(snd_uart16550_t *uart, int device, int outs, int ins, struct snd_rawmidi **rmidi)
|
||||
static int __init snd_uart16550_rmidi(struct snd_uart16550 *uart, int device,
|
||||
int outs, int ins,
|
||||
struct snd_rawmidi **rmidi)
|
||||
{
|
||||
struct snd_rawmidi *rrawmidi;
|
||||
int err;
|
||||
|
||||
if ((err = snd_rawmidi_new(uart->card, "UART Serial MIDI", device, outs, ins, &rrawmidi)) < 0)
|
||||
err = snd_rawmidi_new(uart->card, "UART Serial MIDI", device,
|
||||
outs, ins, &rrawmidi);
|
||||
if (err < 0)
|
||||
return err;
|
||||
snd_rawmidi_set_ops(rrawmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_uart16550_input);
|
||||
snd_rawmidi_set_ops(rrawmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_uart16550_output);
|
||||
snd_rawmidi_set_ops(rrawmidi, SNDRV_RAWMIDI_STREAM_INPUT,
|
||||
&snd_uart16550_input);
|
||||
snd_rawmidi_set_ops(rrawmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
|
||||
&snd_uart16550_output);
|
||||
strcpy(rrawmidi->name, "Serial MIDI");
|
||||
snd_uart16550_substreams(&rrawmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]);
|
||||
snd_uart16550_substreams(&rrawmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]);
|
||||
|
|
@ -875,7 +899,7 @@ static int __init snd_uart16550_rmidi(snd_uart16550_t *uart, int device, int out
|
|||
static int __init snd_serial_probe(struct platform_device *devptr)
|
||||
{
|
||||
struct snd_card *card;
|
||||
snd_uart16550_t *uart;
|
||||
struct snd_uart16550 *uart;
|
||||
int err;
|
||||
int dev = devptr->id;
|
||||
|
||||
|
|
@ -929,7 +953,8 @@ static int __init snd_serial_probe(struct platform_device *devptr)
|
|||
&uart)) < 0)
|
||||
goto _err;
|
||||
|
||||
if ((err = snd_uart16550_rmidi(uart, 0, outs[dev], ins[dev], &uart->rmidi)) < 0)
|
||||
err = snd_uart16550_rmidi(uart, 0, outs[dev], ins[dev], &uart->rmidi);
|
||||
if (err < 0)
|
||||
goto _err;
|
||||
|
||||
sprintf(card->longname, "%s at 0x%lx, irq %d speed %d div %d outs %d ins %d adaptor %s droponfull %d",
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче