diff options
Diffstat (limited to 'drivers/char/mwave/smapi.c')
| -rw-r--r-- | drivers/char/mwave/smapi.c | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/drivers/char/mwave/smapi.c b/drivers/char/mwave/smapi.c deleted file mode 100644 index df6354b24339..000000000000 --- a/drivers/char/mwave/smapi.c +++ /dev/null @@ -1,404 +0,0 @@ -/* -* -* smapi.c -- SMAPI interface routines -* -* -* Written By: Mike Sullivan IBM Corporation -* -* Copyright (C) 1999 IBM Corporation -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* NO WARRANTY -* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR -* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT -* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, -* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is -* solely responsible for determining the appropriateness of using and -* distributing the Program and assumes all risks associated with its -* exercise of rights under this Agreement, including but not limited to -* the risks and costs of program errors, damage to or loss of data, -* programs or equipment, and unavailability or interruption of operations. -* -* DISCLAIMER OF LIABILITY -* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY -* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND -* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR -* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE -* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED -* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -* -* -* 10/23/2000 - Alpha Release -* First release to the public -*/ - -#define pr_fmt(fmt) "smapi: " fmt - -#include <linux/kernel.h> -#include <linux/mc146818rtc.h> /* CMOS defines */ -#include "smapi.h" -#include "mwavedd.h" - -static unsigned short g_usSmapiPort = 0; - - -static int smapi_request(unsigned short inBX, unsigned short inCX, - unsigned short inDI, unsigned short inSI, - unsigned short *outAX, unsigned short *outBX, - unsigned short *outCX, unsigned short *outDX, - unsigned short *outDI, unsigned short *outSI) -{ - unsigned short myoutAX = 2, *pmyoutAX = &myoutAX; - unsigned short myoutBX = 3, *pmyoutBX = &myoutBX; - unsigned short myoutCX = 4, *pmyoutCX = &myoutCX; - unsigned short myoutDX = 5, *pmyoutDX = &myoutDX; - unsigned short myoutDI = 6, *pmyoutDI = &myoutDI; - unsigned short myoutSI = 7, *pmyoutSI = &myoutSI; - unsigned short usSmapiOK = -EIO, *pusSmapiOK = &usSmapiOK; - unsigned int inBXCX = (inBX << 16) | inCX; - unsigned int inDISI = (inDI << 16) | inSI; - - __asm__ __volatile__("movw $0x5380,%%ax\n\t" - "movl %7,%%ebx\n\t" - "shrl $16, %%ebx\n\t" - "movw %7,%%cx\n\t" - "movl %8,%%edi\n\t" - "shrl $16,%%edi\n\t" - "movw %8,%%si\n\t" - "movw %9,%%dx\n\t" - "out %%al,%%dx\n\t" - "out %%al,$0x4F\n\t" - "cmpb $0x53,%%ah\n\t" - "je 2f\n\t" - "1:\n\t" - "orb %%ah,%%ah\n\t" - "jnz 2f\n\t" - "movw %%ax,%0\n\t" - "movw %%bx,%1\n\t" - "movw %%cx,%2\n\t" - "movw %%dx,%3\n\t" - "movw %%di,%4\n\t" - "movw %%si,%5\n\t" - "movw $1,%6\n\t" - "2:\n\t":"=m"(*(unsigned short *) pmyoutAX), - "=m"(*(unsigned short *) pmyoutBX), - "=m"(*(unsigned short *) pmyoutCX), - "=m"(*(unsigned short *) pmyoutDX), - "=m"(*(unsigned short *) pmyoutDI), - "=m"(*(unsigned short *) pmyoutSI), - "=m"(*(unsigned short *) pusSmapiOK) - :"m"(inBXCX), "m"(inDISI), "m"(g_usSmapiPort) - :"%eax", "%ebx", "%ecx", "%edx", "%edi", - "%esi"); - - *outAX = myoutAX; - *outBX = myoutBX; - *outCX = myoutCX; - *outDX = myoutDX; - *outDI = myoutDI; - *outSI = myoutSI; - - return usSmapiOK == 1 ? 0 : -EIO; -} - - -int smapi_query_DSP_cfg(struct smapi_dsp_settings *pSettings) -{ - int bRC; - unsigned short usAX, usBX, usCX, usDX, usDI, usSI; - static const unsigned short ausDspBases[] = { - 0x0030, 0x4E30, 0x8E30, 0xCE30, - 0x0130, 0x0350, 0x0070, 0x0DB0 }; - static const unsigned short ausUartBases[] = { - 0x03F8, 0x02F8, 0x03E8, 0x02E8 }; - - bRC = smapi_request(0x1802, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) { - pr_err("%s: Error: Could not get DSP Settings. Aborting.\n", __func__); - return bRC; - } - - pSettings->bDSPPresent = ((usBX & 0x0100) != 0); - pSettings->bDSPEnabled = ((usCX & 0x0001) != 0); - pSettings->usDspIRQ = usSI & 0x00FF; - pSettings->usDspDMA = (usSI & 0xFF00) >> 8; - if ((usDI & 0x00FF) < ARRAY_SIZE(ausDspBases)) { - pSettings->usDspBaseIO = ausDspBases[usDI & 0x00FF]; - } else { - pSettings->usDspBaseIO = 0; - } - - /* check for illegal values */ - if ( pSettings->usDspBaseIO == 0 ) - pr_err("%s: Worry: DSP base I/O address is 0\n", __func__); - if ( pSettings->usDspIRQ == 0 ) - 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) { - pr_err("%s: Error: Could not get DSP modem settings. Aborting.\n", __func__); - return bRC; - } - - pSettings->bModemEnabled = ((usCX & 0x0001) != 0); - pSettings->usUartIRQ = usSI & 0x000F; - if (((usSI & 0xFF00) >> 8) < ARRAY_SIZE(ausUartBases)) { - pSettings->usUartBaseIO = ausUartBases[(usSI & 0xFF00) >> 8]; - } else { - pSettings->usUartBaseIO = 0; - } - - /* check for illegal values */ - if ( pSettings->usUartBaseIO == 0 ) - pr_err("%s: Worry: UART base I/O address is 0\n", __func__); - if ( pSettings->usUartIRQ == 0 ) - pr_err("%s: Worry: UART IRQ line is 0\n", __func__); - - return bRC; -} - - -int smapi_set_DSP_cfg(void) -{ - int bRC = -EIO; - int i; - unsigned short usAX, usBX, usCX, usDX, usDI, usSI; - static const unsigned short ausDspBases[] = { - 0x0030, 0x4E30, 0x8E30, 0xCE30, - 0x0130, 0x0350, 0x0070, 0x0DB0 }; - static const unsigned short ausUartBases[] = { - 0x03F8, 0x02F8, 0x03E8, 0x02E8 }; - static const unsigned short ausDspIrqs[] = { - 5, 7, 10, 11, 15 }; - static const unsigned short ausUartIrqs[] = { - 3, 4 }; - - unsigned short dspio_index = 0, uartio_index = 0; - - if (mwave_3780i_io) { - for (i = 0; i < ARRAY_SIZE(ausDspBases); i++) { - if (mwave_3780i_io == ausDspBases[i]) - break; - } - if (i == ARRAY_SIZE(ausDspBases)) { - pr_err("%s: Error: Invalid mwave_3780i_io address %x. Aborting.\n", - __func__, mwave_3780i_io); - return bRC; - } - dspio_index = i; - } - - if (mwave_3780i_irq) { - for (i = 0; i < ARRAY_SIZE(ausDspIrqs); i++) { - if (mwave_3780i_irq == ausDspIrqs[i]) - break; - } - if (i == ARRAY_SIZE(ausDspIrqs)) { - pr_err("%s: Error: Invalid mwave_3780i_irq %x. Aborting.\n", __func__, - mwave_3780i_irq); - return bRC; - } - } - - if (mwave_uart_io) { - for (i = 0; i < ARRAY_SIZE(ausUartBases); i++) { - if (mwave_uart_io == ausUartBases[i]) - break; - } - if (i == ARRAY_SIZE(ausUartBases)) { - pr_err("%s: Error: Invalid mwave_uart_io address %x. Aborting.\n", __func__, - mwave_uart_io); - return bRC; - } - uartio_index = i; - } - - - if (mwave_uart_irq) { - for (i = 0; i < ARRAY_SIZE(ausUartIrqs); i++) { - if (mwave_uart_irq == ausUartIrqs[i]) - break; - } - if (i == ARRAY_SIZE(ausUartIrqs)) { - pr_err("%s: Error: Invalid mwave_uart_irq %x. Aborting.\n", __func__, - mwave_uart_irq); - return bRC; - } - } - - if (mwave_uart_irq || mwave_uart_io) { - - /* Check serial port A */ - bRC = smapi_request(0x1402, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - /* bRC == 0 */ - if (usBX & 0x0100) { /* serial port A is present */ - if (usCX & 1) { /* serial port is enabled */ - if ((usSI & 0xFF) == mwave_uart_irq) { - pr_err("%s: Serial port A irq %x conflicts with mwave_uart_irq %x\n", - __func__, usSI & 0xFF, mwave_uart_irq); - goto exit_conflict; - } else { - if ((usSI >> 8) == uartio_index) { - 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; - } - } - } - } - - /* Check serial port B */ - bRC = smapi_request(0x1404, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - /* bRC == 0 */ - if (usBX & 0x0100) { /* serial port B is present */ - if (usCX & 1) { /* serial port is enabled */ - if ((usSI & 0xFF) == mwave_uart_irq) { - pr_err("%s: Serial port B irq %x conflicts with mwave_uart_irq %x\n", - __func__, usSI & 0xFF, mwave_uart_irq); - goto exit_conflict; - } else { - if ((usSI >> 8) == uartio_index) { - 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; - } - } - } - } - - /* Check IR port */ - bRC = smapi_request(0x1700, 0x0000, 0, 0, - &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; - /* bRC == 0 */ - if ((usCX & 0xff) != 0xff) { /* IR port not disabled */ - if ((usCX & 0xff) == mwave_uart_irq) { - pr_err("%s: IR port irq %x conflicts with mwave_uart_irq %x\n", - __func__, usCX & 0xff, mwave_uart_irq); - goto exit_conflict; - } else { - if ((usSI & 0xff) == uartio_index) { - 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; - } - } - } - } - - bRC = smapi_request(0x1802, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - - if (mwave_3780i_io) { - usDI = dspio_index; - } - if (mwave_3780i_irq) { - usSI = (usSI & 0xff00) | mwave_3780i_irq; - } - - bRC = smapi_request(0x1803, 0x0101, usDI, usSI, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - - bRC = smapi_request(0x1804, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - - if (mwave_uart_io) { - usSI = (usSI & 0x00ff) | (uartio_index << 8); - } - if (mwave_uart_irq) { - usSI = (usSI & 0xff00) | mwave_uart_irq; - } - bRC = smapi_request(0x1805, 0x0101, 0, usSI, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - - bRC = smapi_request(0x1802, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - - bRC = smapi_request(0x1804, 0x0000, 0, 0, - &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); - if (bRC) goto exit_smapi_request_error; - -/* normal exit: */ - return 0; - -exit_conflict: - /* Message has already been printed */ - return -EIO; - -exit_smapi_request_error: - pr_err("%s: exit on smapi_request error bRC %x\n", __func__, bRC); - return bRC; -} - - -int smapi_set_DSP_power_state(bool bOn) -{ - unsigned short usAX, usBX, usCX, usDX, usDI, usSI; - unsigned short usPowerFunction; - - usPowerFunction = (bOn) ? 1 : 0; - - return smapi_request(0x4901, 0x0000, 0, usPowerFunction, &usAX, &usBX, &usCX, &usDX, &usDI, - &usSI); -} - -int smapi_init(void) -{ - int retval = -EIO; - unsigned short usSmapiID = 0; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - usSmapiID = CMOS_READ(0x7C); - usSmapiID |= (CMOS_READ(0x7D) << 8); - spin_unlock_irqrestore(&rtc_lock, flags); - - if (usSmapiID == 0x5349) { - spin_lock_irqsave(&rtc_lock, flags); - g_usSmapiPort = CMOS_READ(0x7E); - g_usSmapiPort |= (CMOS_READ(0x7F) << 8); - spin_unlock_irqrestore(&rtc_lock, flags); - if (g_usSmapiPort == 0) { - pr_err("%s: ERROR unable to read from SMAPI port\n", __func__); - } else { - retval = 0; - //SmapiQuerySystemID(); - } - } else { - pr_err("%s: ERROR invalid usSmapiID\n", __func__); - retval = -ENXIO; - } - - return retval; -} |