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path: root/drivers/char/mwave/smapi.c
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Diffstat (limited to 'drivers/char/mwave/smapi.c')
-rw-r--r--drivers/char/mwave/smapi.c244
1 files changed, 38 insertions, 206 deletions
diff --git a/drivers/char/mwave/smapi.c b/drivers/char/mwave/smapi.c
index f8d79d393b69..df6354b24339 100644
--- a/drivers/char/mwave/smapi.c
+++ b/drivers/char/mwave/smapi.c
@@ -46,6 +46,8 @@
* First release to the public
*/
+#define pr_fmt(fmt) "smapi: " fmt
+
#include <linux/kernel.h>
#include <linux/mc146818rtc.h> /* CMOS defines */
#include "smapi.h"
@@ -69,10 +71,6 @@ static int smapi_request(unsigned short inBX, unsigned short inCX,
unsigned short usSmapiOK = -EIO, *pusSmapiOK = &usSmapiOK;
unsigned int inBXCX = (inBX << 16) | inCX;
unsigned int inDISI = (inDI << 16) | inSI;
- int retval = 0;
-
- PRINTK_5(TRACE_SMAPI, "inBX %x inCX %x inDI %x inSI %x\n",
- inBX, inCX, inDI, inSI);
__asm__ __volatile__("movw $0x5380,%%ax\n\t"
"movl %7,%%ebx\n\t"
@@ -107,10 +105,6 @@ static int smapi_request(unsigned short inBX, unsigned short inCX,
:"%eax", "%ebx", "%ecx", "%edx", "%edi",
"%esi");
- PRINTK_8(TRACE_SMAPI,
- "myoutAX %x myoutBX %x myoutCX %x myoutDX %x myoutDI %x myoutSI %x usSmapiOK %x\n",
- myoutAX, myoutBX, myoutCX, myoutDX, myoutDI, myoutSI,
- usSmapiOK);
*outAX = myoutAX;
*outBX = myoutBX;
*outCX = myoutCX;
@@ -118,13 +112,11 @@ static int smapi_request(unsigned short inBX, unsigned short inCX,
*outDI = myoutDI;
*outSI = myoutSI;
- retval = (usSmapiOK == 1) ? 0 : -EIO;
- PRINTK_2(TRACE_SMAPI, "smapi::smapi_request exit retval %x\n", retval);
- return retval;
+ return usSmapiOK == 1 ? 0 : -EIO;
}
-int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings)
+int smapi_query_DSP_cfg(struct smapi_dsp_settings *pSettings)
{
int bRC;
unsigned short usAX, usBX, usCX, usDX, usDI, usSI;
@@ -134,17 +126,13 @@ int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings)
static const unsigned short ausUartBases[] = {
0x03F8, 0x02F8, 0x03E8, 0x02E8 };
- PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg entry\n");
-
bRC = smapi_request(0x1802, 0x0000, 0, 0,
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
if (bRC) {
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Error: Could not get DSP Settings. Aborting.\n");
+ pr_err("%s: Error: Could not get DSP Settings. Aborting.\n", __func__);
return bRC;
}
- PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg, smapi_request OK\n");
-
pSettings->bDSPPresent = ((usBX & 0x0100) != 0);
pSettings->bDSPEnabled = ((usCX & 0x0001) != 0);
pSettings->usDspIRQ = usSI & 0x00FF;
@@ -154,27 +142,20 @@ int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings)
} else {
pSettings->usDspBaseIO = 0;
}
- PRINTK_6(TRACE_SMAPI,
- "smapi::smapi_query_DSP_cfg get DSP Settings bDSPPresent %x bDSPEnabled %x usDspIRQ %x usDspDMA %x usDspBaseIO %x\n",
- pSettings->bDSPPresent, pSettings->bDSPEnabled,
- pSettings->usDspIRQ, pSettings->usDspDMA,
- pSettings->usDspBaseIO);
/* check for illegal values */
if ( pSettings->usDspBaseIO == 0 )
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: DSP base I/O address is 0\n");
+ pr_err("%s: Worry: DSP base I/O address is 0\n", __func__);
if ( pSettings->usDspIRQ == 0 )
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: DSP IRQ line is 0\n");
+ pr_err("%s: Worry: DSP IRQ line is 0\n", __func__);
bRC = smapi_request(0x1804, 0x0000, 0, 0,
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
if (bRC) {
- PRINTK_ERROR("smapi::smapi_query_DSP_cfg: Error: Could not get DSP modem settings. Aborting.\n");
+ pr_err("%s: Error: Could not get DSP modem settings. Aborting.\n", __func__);
return bRC;
}
- PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg, smapi_request OK\n");
-
pSettings->bModemEnabled = ((usCX & 0x0001) != 0);
pSettings->usUartIRQ = usSI & 0x000F;
if (((usSI & 0xFF00) >> 8) < ARRAY_SIZE(ausUartBases)) {
@@ -183,19 +164,11 @@ int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings)
pSettings->usUartBaseIO = 0;
}
- PRINTK_4(TRACE_SMAPI,
- "smapi::smapi_query_DSP_cfg get DSP modem settings bModemEnabled %x usUartIRQ %x usUartBaseIO %x\n",
- pSettings->bModemEnabled,
- pSettings->usUartIRQ,
- pSettings->usUartBaseIO);
-
/* check for illegal values */
if ( pSettings->usUartBaseIO == 0 )
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: UART base I/O address is 0\n");
+ pr_err("%s: Worry: UART base I/O address is 0\n", __func__);
if ( pSettings->usUartIRQ == 0 )
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: UART IRQ line is 0\n");
-
- PRINTK_2(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg exit bRC %x\n", bRC);
+ pr_err("%s: Worry: UART IRQ line is 0\n", __func__);
return bRC;
}
@@ -218,17 +191,14 @@ int smapi_set_DSP_cfg(void)
unsigned short dspio_index = 0, uartio_index = 0;
- PRINTK_5(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg entry mwave_3780i_irq %x mwave_3780i_io %x mwave_uart_irq %x mwave_uart_io %x\n",
- mwave_3780i_irq, mwave_3780i_io, mwave_uart_irq, mwave_uart_io);
-
if (mwave_3780i_io) {
for (i = 0; i < ARRAY_SIZE(ausDspBases); i++) {
if (mwave_3780i_io == ausDspBases[i])
break;
}
if (i == ARRAY_SIZE(ausDspBases)) {
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_3780i_io address %x. Aborting.\n", mwave_3780i_io);
+ pr_err("%s: Error: Invalid mwave_3780i_io address %x. Aborting.\n",
+ __func__, mwave_3780i_io);
return bRC;
}
dspio_index = i;
@@ -240,7 +210,8 @@ int smapi_set_DSP_cfg(void)
break;
}
if (i == ARRAY_SIZE(ausDspIrqs)) {
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_3780i_irq %x. Aborting.\n", mwave_3780i_irq);
+ pr_err("%s: Error: Invalid mwave_3780i_irq %x. Aborting.\n", __func__,
+ mwave_3780i_irq);
return bRC;
}
}
@@ -251,7 +222,8 @@ int smapi_set_DSP_cfg(void)
break;
}
if (i == ARRAY_SIZE(ausUartBases)) {
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_uart_io address %x. Aborting.\n", mwave_uart_io);
+ pr_err("%s: Error: Invalid mwave_uart_io address %x. Aborting.\n", __func__,
+ mwave_uart_io);
return bRC;
}
uartio_index = i;
@@ -264,7 +236,8 @@ int smapi_set_DSP_cfg(void)
break;
}
if (i == ARRAY_SIZE(ausUartIrqs)) {
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_uart_irq %x. Aborting.\n", mwave_uart_irq);
+ pr_err("%s: Error: Invalid mwave_uart_irq %x. Aborting.\n", __func__,
+ mwave_uart_irq);
return bRC;
}
}
@@ -279,46 +252,15 @@ int smapi_set_DSP_cfg(void)
if (usBX & 0x0100) { /* serial port A is present */
if (usCX & 1) { /* serial port is enabled */
if ((usSI & 0xFF) == mwave_uart_irq) {
-#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_ERROR(KERN_ERR_MWAVE
- "smapi::smapi_set_DSP_cfg: Serial port A irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
-#else
- PRINTK_3(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg: Serial port A irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
-#endif
-#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_1(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg Disabling conflicting serial port\n");
- bRC = smapi_request(0x1403, 0x0100, 0, usSI,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1402, 0x0000, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
-#else
+ pr_err("%s: Serial port A irq %x conflicts with mwave_uart_irq %x\n",
+ __func__, usSI & 0xFF, mwave_uart_irq);
goto exit_conflict;
-#endif
} else {
if ((usSI >> 8) == uartio_index) {
-#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_ERROR(KERN_ERR_MWAVE
- "smapi::smapi_set_DSP_cfg: Serial port A base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
-#else
- PRINTK_3(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg: Serial port A base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
-#endif
-#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_1(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg Disabling conflicting serial port A\n");
- bRC = smapi_request (0x1403, 0x0100, 0, usSI,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request (0x1402, 0x0000, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
-#else
+ pr_err("%s: Serial port A base I/O address %x conflicts with mwave uart I/O %x\n",
+ __func__, ausUartBases[usSI >> 8],
+ ausUartBases[uartio_index]);
goto exit_conflict;
-#endif
}
}
}
@@ -332,46 +274,15 @@ int smapi_set_DSP_cfg(void)
if (usBX & 0x0100) { /* serial port B is present */
if (usCX & 1) { /* serial port is enabled */
if ((usSI & 0xFF) == mwave_uart_irq) {
-#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_ERROR(KERN_ERR_MWAVE
- "smapi::smapi_set_DSP_cfg: Serial port B irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
-#else
- PRINTK_3(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg: Serial port B irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
-#endif
-#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_1(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg Disabling conflicting serial port B\n");
- bRC = smapi_request(0x1405, 0x0100, 0, usSI,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1404, 0x0000, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
-#else
+ pr_err("%s: Serial port B irq %x conflicts with mwave_uart_irq %x\n",
+ __func__, usSI & 0xFF, mwave_uart_irq);
goto exit_conflict;
-#endif
} else {
if ((usSI >> 8) == uartio_index) {
-#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_ERROR(KERN_ERR_MWAVE
- "smapi::smapi_set_DSP_cfg: Serial port B base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
-#else
- PRINTK_3(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg: Serial port B base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
-#endif
-#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_1 (TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg Disabling conflicting serial port B\n");
- bRC = smapi_request (0x1405, 0x0100, 0, usSI,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request (0x1404, 0x0000, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
-#else
+ pr_err("%s: Serial port B base I/O address %x conflicts with mwave uart I/O %x\n",
+ __func__, ausUartBases[usSI >> 8],
+ ausUartBases[uartio_index]);
goto exit_conflict;
-#endif
}
}
}
@@ -387,58 +298,15 @@ int smapi_set_DSP_cfg(void)
/* bRC == 0 */
if ((usCX & 0xff) != 0xff) { /* IR port not disabled */
if ((usCX & 0xff) == mwave_uart_irq) {
-#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_ERROR(KERN_ERR_MWAVE
- "smapi::smapi_set_DSP_cfg: IR port irq %x conflicts with mwave_uart_irq %x\n", usCX & 0xff, mwave_uart_irq);
-#else
- PRINTK_3(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg: IR port irq %x conflicts with mwave_uart_irq %x\n", usCX & 0xff, mwave_uart_irq);
-#endif
-#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_1(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg Disabling conflicting IR port\n");
- bRC = smapi_request(0x1701, 0x0100, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1700, 0, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1705, 0x01ff, 0, usSI,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1704, 0x0000, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
-#else
+ pr_err("%s: IR port irq %x conflicts with mwave_uart_irq %x\n",
+ __func__, usCX & 0xff, mwave_uart_irq);
goto exit_conflict;
-#endif
} else {
if ((usSI & 0xff) == uartio_index) {
-#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_ERROR(KERN_ERR_MWAVE
- "smapi::smapi_set_DSP_cfg: IR port base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI & 0xff], ausUartBases[uartio_index]);
-#else
- PRINTK_3(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg: IR port base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI & 0xff], ausUartBases[uartio_index]);
-#endif
-#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
- PRINTK_1(TRACE_SMAPI,
- "smapi::smapi_set_DSP_cfg Disabling conflicting IR port\n");
- bRC = smapi_request(0x1701, 0x0100, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1700, 0, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1705, 0x01ff, 0, usSI,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
- bRC = smapi_request(0x1704, 0x0000, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
- if (bRC) goto exit_smapi_request_error;
-#else
+ pr_err("%s: IR port base I/O address %x conflicts with mwave uart I/O %x\n",
+ __func__, ausUartBases[usSI & 0xff],
+ ausUartBases[uartio_index]);
goto exit_conflict;
-#endif
}
}
}
@@ -482,7 +350,6 @@ int smapi_set_DSP_cfg(void)
if (bRC) goto exit_smapi_request_error;
/* normal exit: */
- PRINTK_1(TRACE_SMAPI, "smapi::smapi_set_DSP_cfg exit\n");
return 0;
exit_conflict:
@@ -490,64 +357,32 @@ exit_conflict:
return -EIO;
exit_smapi_request_error:
- PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg exit on smapi_request error bRC %x\n", bRC);
+ pr_err("%s: exit on smapi_request error bRC %x\n", __func__, bRC);
return bRC;
}
int smapi_set_DSP_power_state(bool bOn)
{
- int bRC;
unsigned short usAX, usBX, usCX, usDX, usDI, usSI;
unsigned short usPowerFunction;
- PRINTK_2(TRACE_SMAPI, "smapi::smapi_set_DSP_power_state entry bOn %x\n", bOn);
-
usPowerFunction = (bOn) ? 1 : 0;
- bRC = smapi_request(0x4901, 0x0000, 0, usPowerFunction,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
-
- PRINTK_2(TRACE_SMAPI, "smapi::smapi_set_DSP_power_state exit bRC %x\n", bRC);
-
- return bRC;
+ return smapi_request(0x4901, 0x0000, 0, usPowerFunction, &usAX, &usBX, &usCX, &usDX, &usDI,
+ &usSI);
}
-#if 0
-static int SmapiQuerySystemID(void)
-{
- int bRC = -EIO;
- unsigned short usAX = 0xffff, usBX = 0xffff, usCX = 0xffff,
- usDX = 0xffff, usDI = 0xffff, usSI = 0xffff;
-
- printk("smapi::SmapiQUerySystemID entry\n");
- bRC = smapi_request(0x0000, 0, 0, 0,
- &usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
-
- if (bRC == 0) {
- printk("AX=%x, BX=%x, CX=%x, DX=%x, DI=%x, SI=%x\n",
- usAX, usBX, usCX, usDX, usDI, usSI);
- } else {
- printk("smapi::SmapiQuerySystemID smapi_request error\n");
- }
-
- return bRC;
-}
-#endif /* 0 */
-
int smapi_init(void)
{
int retval = -EIO;
unsigned short usSmapiID = 0;
unsigned long flags;
- PRINTK_1(TRACE_SMAPI, "smapi::smapi_init entry\n");
-
spin_lock_irqsave(&rtc_lock, flags);
usSmapiID = CMOS_READ(0x7C);
usSmapiID |= (CMOS_READ(0x7D) << 8);
spin_unlock_irqrestore(&rtc_lock, flags);
- PRINTK_2(TRACE_SMAPI, "smapi::smapi_init usSmapiID %x\n", usSmapiID);
if (usSmapiID == 0x5349) {
spin_lock_irqsave(&rtc_lock, flags);
@@ -555,16 +390,13 @@ int smapi_init(void)
g_usSmapiPort |= (CMOS_READ(0x7F) << 8);
spin_unlock_irqrestore(&rtc_lock, flags);
if (g_usSmapiPort == 0) {
- PRINTK_ERROR("smapi::smapi_init, ERROR unable to read from SMAPI port\n");
+ pr_err("%s: ERROR unable to read from SMAPI port\n", __func__);
} else {
- PRINTK_2(TRACE_SMAPI,
- "smapi::smapi_init, exit true g_usSmapiPort %x\n",
- g_usSmapiPort);
retval = 0;
//SmapiQuerySystemID();
}
} else {
- PRINTK_ERROR("smapi::smapi_init, ERROR invalid usSmapiID\n");
+ pr_err("%s: ERROR invalid usSmapiID\n", __func__);
retval = -ENXIO;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-07 16:46:42 +0000