1 | /* |
2 | * |
3 | * smapi.c -- SMAPI interface routines |
4 | * |
5 | * |
6 | * Written By: Mike Sullivan IBM Corporation |
7 | * |
8 | * Copyright (C) 1999 IBM Corporation |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License as published by |
12 | * the Free Software Foundation; either version 2 of the License, or |
13 | * (at your option) any later version. |
14 | * |
15 | * This program is distributed in the hope that it will be useful, |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | * GNU General Public License for more details. |
19 | * |
20 | * NO WARRANTY |
21 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
22 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
23 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
24 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
25 | * solely responsible for determining the appropriateness of using and |
26 | * distributing the Program and assumes all risks associated with its |
27 | * exercise of rights under this Agreement, including but not limited to |
28 | * the risks and costs of program errors, damage to or loss of data, |
29 | * programs or equipment, and unavailability or interruption of operations. |
30 | * |
31 | * DISCLAIMER OF LIABILITY |
32 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
33 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
34 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
35 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
36 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
37 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
38 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
39 | * |
40 | * You should have received a copy of the GNU General Public License |
41 | * along with this program; if not, write to the Free Software |
42 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
43 | * |
44 | * |
45 | * 10/23/2000 - Alpha Release |
46 | * First release to the public |
47 | */ |
48 | |
49 | #include <linux/kernel.h> |
50 | #include <linux/mc146818rtc.h> /* CMOS defines */ |
51 | #include "smapi.h" |
52 | #include "mwavedd.h" |
53 | |
54 | static unsigned short g_usSmapiPort = 0; |
55 | |
56 | |
57 | static int smapi_request(unsigned short inBX, unsigned short inCX, |
58 | unsigned short inDI, unsigned short inSI, |
59 | unsigned short *outAX, unsigned short *outBX, |
60 | unsigned short *outCX, unsigned short *outDX, |
61 | unsigned short *outDI, unsigned short *outSI) |
62 | { |
63 | unsigned short myoutAX = 2, *pmyoutAX = &myoutAX; |
64 | unsigned short myoutBX = 3, *pmyoutBX = &myoutBX; |
65 | unsigned short myoutCX = 4, *pmyoutCX = &myoutCX; |
66 | unsigned short myoutDX = 5, *pmyoutDX = &myoutDX; |
67 | unsigned short myoutDI = 6, *pmyoutDI = &myoutDI; |
68 | unsigned short myoutSI = 7, *pmyoutSI = &myoutSI; |
69 | unsigned short usSmapiOK = -EIO, *pusSmapiOK = &usSmapiOK; |
70 | unsigned int inBXCX = (inBX << 16) | inCX; |
71 | unsigned int inDISI = (inDI << 16) | inSI; |
72 | int retval = 0; |
73 | |
74 | PRINTK_5(TRACE_SMAPI, "inBX %x inCX %x inDI %x inSI %x\n" , |
75 | inBX, inCX, inDI, inSI); |
76 | |
77 | __asm__ __volatile__("movw $0x5380,%%ax\n\t" |
78 | "movl %7,%%ebx\n\t" |
79 | "shrl $16, %%ebx\n\t" |
80 | "movw %7,%%cx\n\t" |
81 | "movl %8,%%edi\n\t" |
82 | "shrl $16,%%edi\n\t" |
83 | "movw %8,%%si\n\t" |
84 | "movw %9,%%dx\n\t" |
85 | "out %%al,%%dx\n\t" |
86 | "out %%al,$0x4F\n\t" |
87 | "cmpb $0x53,%%ah\n\t" |
88 | "je 2f\n\t" |
89 | "1:\n\t" |
90 | "orb %%ah,%%ah\n\t" |
91 | "jnz 2f\n\t" |
92 | "movw %%ax,%0\n\t" |
93 | "movw %%bx,%1\n\t" |
94 | "movw %%cx,%2\n\t" |
95 | "movw %%dx,%3\n\t" |
96 | "movw %%di,%4\n\t" |
97 | "movw %%si,%5\n\t" |
98 | "movw $1,%6\n\t" |
99 | "2:\n\t" :"=m" (*(unsigned short *) pmyoutAX), |
100 | "=m" (*(unsigned short *) pmyoutBX), |
101 | "=m" (*(unsigned short *) pmyoutCX), |
102 | "=m" (*(unsigned short *) pmyoutDX), |
103 | "=m" (*(unsigned short *) pmyoutDI), |
104 | "=m" (*(unsigned short *) pmyoutSI), |
105 | "=m" (*(unsigned short *) pusSmapiOK) |
106 | :"m" (inBXCX), "m" (inDISI), "m" (g_usSmapiPort) |
107 | :"%eax" , "%ebx" , "%ecx" , "%edx" , "%edi" , |
108 | "%esi" ); |
109 | |
110 | PRINTK_8(TRACE_SMAPI, |
111 | "myoutAX %x myoutBX %x myoutCX %x myoutDX %x myoutDI %x myoutSI %x usSmapiOK %x\n" , |
112 | myoutAX, myoutBX, myoutCX, myoutDX, myoutDI, myoutSI, |
113 | usSmapiOK); |
114 | *outAX = myoutAX; |
115 | *outBX = myoutBX; |
116 | *outCX = myoutCX; |
117 | *outDX = myoutDX; |
118 | *outDI = myoutDI; |
119 | *outSI = myoutSI; |
120 | |
121 | retval = (usSmapiOK == 1) ? 0 : -EIO; |
122 | PRINTK_2(TRACE_SMAPI, "smapi::smapi_request exit retval %x\n" , retval); |
123 | return retval; |
124 | } |
125 | |
126 | |
127 | int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings) |
128 | { |
129 | int bRC; |
130 | unsigned short usAX, usBX, usCX, usDX, usDI, usSI; |
131 | static const unsigned short ausDspBases[] = { |
132 | 0x0030, 0x4E30, 0x8E30, 0xCE30, |
133 | 0x0130, 0x0350, 0x0070, 0x0DB0 }; |
134 | static const unsigned short ausUartBases[] = { |
135 | 0x03F8, 0x02F8, 0x03E8, 0x02E8 }; |
136 | |
137 | PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg entry\n" ); |
138 | |
139 | bRC = smapi_request(inBX: 0x1802, inCX: 0x0000, inDI: 0, inSI: 0, |
140 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
141 | if (bRC) { |
142 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Error: Could not get DSP Settings. Aborting.\n" ); |
143 | return bRC; |
144 | } |
145 | |
146 | PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg, smapi_request OK\n" ); |
147 | |
148 | pSettings->bDSPPresent = ((usBX & 0x0100) != 0); |
149 | pSettings->bDSPEnabled = ((usCX & 0x0001) != 0); |
150 | pSettings->usDspIRQ = usSI & 0x00FF; |
151 | pSettings->usDspDMA = (usSI & 0xFF00) >> 8; |
152 | if ((usDI & 0x00FF) < ARRAY_SIZE(ausDspBases)) { |
153 | pSettings->usDspBaseIO = ausDspBases[usDI & 0x00FF]; |
154 | } else { |
155 | pSettings->usDspBaseIO = 0; |
156 | } |
157 | PRINTK_6(TRACE_SMAPI, |
158 | "smapi::smapi_query_DSP_cfg get DSP Settings bDSPPresent %x bDSPEnabled %x usDspIRQ %x usDspDMA %x usDspBaseIO %x\n" , |
159 | pSettings->bDSPPresent, pSettings->bDSPEnabled, |
160 | pSettings->usDspIRQ, pSettings->usDspDMA, |
161 | pSettings->usDspBaseIO); |
162 | |
163 | /* check for illegal values */ |
164 | if ( pSettings->usDspBaseIO == 0 ) |
165 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: DSP base I/O address is 0\n" ); |
166 | if ( pSettings->usDspIRQ == 0 ) |
167 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: DSP IRQ line is 0\n" ); |
168 | |
169 | bRC = smapi_request(inBX: 0x1804, inCX: 0x0000, inDI: 0, inSI: 0, |
170 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
171 | if (bRC) { |
172 | PRINTK_ERROR("smapi::smapi_query_DSP_cfg: Error: Could not get DSP modem settings. Aborting.\n" ); |
173 | return bRC; |
174 | } |
175 | |
176 | PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg, smapi_request OK\n" ); |
177 | |
178 | pSettings->bModemEnabled = ((usCX & 0x0001) != 0); |
179 | pSettings->usUartIRQ = usSI & 0x000F; |
180 | if (((usSI & 0xFF00) >> 8) < ARRAY_SIZE(ausUartBases)) { |
181 | pSettings->usUartBaseIO = ausUartBases[(usSI & 0xFF00) >> 8]; |
182 | } else { |
183 | pSettings->usUartBaseIO = 0; |
184 | } |
185 | |
186 | PRINTK_4(TRACE_SMAPI, |
187 | "smapi::smapi_query_DSP_cfg get DSP modem settings bModemEnabled %x usUartIRQ %x usUartBaseIO %x\n" , |
188 | pSettings->bModemEnabled, |
189 | pSettings->usUartIRQ, |
190 | pSettings->usUartBaseIO); |
191 | |
192 | /* check for illegal values */ |
193 | if ( pSettings->usUartBaseIO == 0 ) |
194 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: UART base I/O address is 0\n" ); |
195 | if ( pSettings->usUartIRQ == 0 ) |
196 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: UART IRQ line is 0\n" ); |
197 | |
198 | PRINTK_2(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg exit bRC %x\n" , bRC); |
199 | |
200 | return bRC; |
201 | } |
202 | |
203 | |
204 | int smapi_set_DSP_cfg(void) |
205 | { |
206 | int bRC = -EIO; |
207 | int i; |
208 | unsigned short usAX, usBX, usCX, usDX, usDI, usSI; |
209 | static const unsigned short ausDspBases[] = { |
210 | 0x0030, 0x4E30, 0x8E30, 0xCE30, |
211 | 0x0130, 0x0350, 0x0070, 0x0DB0 }; |
212 | static const unsigned short ausUartBases[] = { |
213 | 0x03F8, 0x02F8, 0x03E8, 0x02E8 }; |
214 | static const unsigned short ausDspIrqs[] = { |
215 | 5, 7, 10, 11, 15 }; |
216 | static const unsigned short ausUartIrqs[] = { |
217 | 3, 4 }; |
218 | |
219 | unsigned short dspio_index = 0, uartio_index = 0; |
220 | |
221 | PRINTK_5(TRACE_SMAPI, |
222 | "smapi::smapi_set_DSP_cfg entry mwave_3780i_irq %x mwave_3780i_io %x mwave_uart_irq %x mwave_uart_io %x\n" , |
223 | mwave_3780i_irq, mwave_3780i_io, mwave_uart_irq, mwave_uart_io); |
224 | |
225 | if (mwave_3780i_io) { |
226 | for (i = 0; i < ARRAY_SIZE(ausDspBases); i++) { |
227 | if (mwave_3780i_io == ausDspBases[i]) |
228 | break; |
229 | } |
230 | if (i == ARRAY_SIZE(ausDspBases)) { |
231 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_3780i_io address %x. Aborting.\n" , mwave_3780i_io); |
232 | return bRC; |
233 | } |
234 | dspio_index = i; |
235 | } |
236 | |
237 | if (mwave_3780i_irq) { |
238 | for (i = 0; i < ARRAY_SIZE(ausDspIrqs); i++) { |
239 | if (mwave_3780i_irq == ausDspIrqs[i]) |
240 | break; |
241 | } |
242 | if (i == ARRAY_SIZE(ausDspIrqs)) { |
243 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_3780i_irq %x. Aborting.\n" , mwave_3780i_irq); |
244 | return bRC; |
245 | } |
246 | } |
247 | |
248 | if (mwave_uart_io) { |
249 | for (i = 0; i < ARRAY_SIZE(ausUartBases); i++) { |
250 | if (mwave_uart_io == ausUartBases[i]) |
251 | break; |
252 | } |
253 | if (i == ARRAY_SIZE(ausUartBases)) { |
254 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_uart_io address %x. Aborting.\n" , mwave_uart_io); |
255 | return bRC; |
256 | } |
257 | uartio_index = i; |
258 | } |
259 | |
260 | |
261 | if (mwave_uart_irq) { |
262 | for (i = 0; i < ARRAY_SIZE(ausUartIrqs); i++) { |
263 | if (mwave_uart_irq == ausUartIrqs[i]) |
264 | break; |
265 | } |
266 | if (i == ARRAY_SIZE(ausUartIrqs)) { |
267 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_uart_irq %x. Aborting.\n" , mwave_uart_irq); |
268 | return bRC; |
269 | } |
270 | } |
271 | |
272 | if (mwave_uart_irq || mwave_uart_io) { |
273 | |
274 | /* Check serial port A */ |
275 | bRC = smapi_request(inBX: 0x1402, inCX: 0x0000, inDI: 0, inSI: 0, |
276 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
277 | if (bRC) goto exit_smapi_request_error; |
278 | /* bRC == 0 */ |
279 | if (usBX & 0x0100) { /* serial port A is present */ |
280 | if (usCX & 1) { /* serial port is enabled */ |
281 | if ((usSI & 0xFF) == mwave_uart_irq) { |
282 | #ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES |
283 | PRINTK_ERROR(KERN_ERR_MWAVE |
284 | "smapi::smapi_set_DSP_cfg: Serial port A irq %x conflicts with mwave_uart_irq %x\n" , usSI & 0xFF, mwave_uart_irq); |
285 | #else |
286 | PRINTK_3(TRACE_SMAPI, |
287 | "smapi::smapi_set_DSP_cfg: Serial port A irq %x conflicts with mwave_uart_irq %x\n" , usSI & 0xFF, mwave_uart_irq); |
288 | #endif |
289 | #ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES |
290 | PRINTK_1(TRACE_SMAPI, |
291 | "smapi::smapi_set_DSP_cfg Disabling conflicting serial port\n" ); |
292 | bRC = smapi_request(0x1403, 0x0100, 0, usSI, |
293 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
294 | if (bRC) goto exit_smapi_request_error; |
295 | bRC = smapi_request(0x1402, 0x0000, 0, 0, |
296 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
297 | if (bRC) goto exit_smapi_request_error; |
298 | #else |
299 | goto exit_conflict; |
300 | #endif |
301 | } else { |
302 | if ((usSI >> 8) == uartio_index) { |
303 | #ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES |
304 | PRINTK_ERROR(KERN_ERR_MWAVE |
305 | "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]); |
306 | #else |
307 | PRINTK_3(TRACE_SMAPI, |
308 | "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]); |
309 | #endif |
310 | #ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES |
311 | PRINTK_1(TRACE_SMAPI, |
312 | "smapi::smapi_set_DSP_cfg Disabling conflicting serial port A\n" ); |
313 | bRC = smapi_request (0x1403, 0x0100, 0, usSI, |
314 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
315 | if (bRC) goto exit_smapi_request_error; |
316 | bRC = smapi_request (0x1402, 0x0000, 0, 0, |
317 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
318 | if (bRC) goto exit_smapi_request_error; |
319 | #else |
320 | goto exit_conflict; |
321 | #endif |
322 | } |
323 | } |
324 | } |
325 | } |
326 | |
327 | /* Check serial port B */ |
328 | bRC = smapi_request(inBX: 0x1404, inCX: 0x0000, inDI: 0, inSI: 0, |
329 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
330 | if (bRC) goto exit_smapi_request_error; |
331 | /* bRC == 0 */ |
332 | if (usBX & 0x0100) { /* serial port B is present */ |
333 | if (usCX & 1) { /* serial port is enabled */ |
334 | if ((usSI & 0xFF) == mwave_uart_irq) { |
335 | #ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES |
336 | PRINTK_ERROR(KERN_ERR_MWAVE |
337 | "smapi::smapi_set_DSP_cfg: Serial port B irq %x conflicts with mwave_uart_irq %x\n" , usSI & 0xFF, mwave_uart_irq); |
338 | #else |
339 | PRINTK_3(TRACE_SMAPI, |
340 | "smapi::smapi_set_DSP_cfg: Serial port B irq %x conflicts with mwave_uart_irq %x\n" , usSI & 0xFF, mwave_uart_irq); |
341 | #endif |
342 | #ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES |
343 | PRINTK_1(TRACE_SMAPI, |
344 | "smapi::smapi_set_DSP_cfg Disabling conflicting serial port B\n" ); |
345 | bRC = smapi_request(0x1405, 0x0100, 0, usSI, |
346 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
347 | if (bRC) goto exit_smapi_request_error; |
348 | bRC = smapi_request(0x1404, 0x0000, 0, 0, |
349 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
350 | if (bRC) goto exit_smapi_request_error; |
351 | #else |
352 | goto exit_conflict; |
353 | #endif |
354 | } else { |
355 | if ((usSI >> 8) == uartio_index) { |
356 | #ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES |
357 | PRINTK_ERROR(KERN_ERR_MWAVE |
358 | "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]); |
359 | #else |
360 | PRINTK_3(TRACE_SMAPI, |
361 | "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]); |
362 | #endif |
363 | #ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES |
364 | PRINTK_1 (TRACE_SMAPI, |
365 | "smapi::smapi_set_DSP_cfg Disabling conflicting serial port B\n" ); |
366 | bRC = smapi_request (0x1405, 0x0100, 0, usSI, |
367 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
368 | if (bRC) goto exit_smapi_request_error; |
369 | bRC = smapi_request (0x1404, 0x0000, 0, 0, |
370 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
371 | if (bRC) goto exit_smapi_request_error; |
372 | #else |
373 | goto exit_conflict; |
374 | #endif |
375 | } |
376 | } |
377 | } |
378 | } |
379 | |
380 | /* Check IR port */ |
381 | bRC = smapi_request(inBX: 0x1700, inCX: 0x0000, inDI: 0, inSI: 0, |
382 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
383 | if (bRC) goto exit_smapi_request_error; |
384 | bRC = smapi_request(inBX: 0x1704, inCX: 0x0000, inDI: 0, inSI: 0, |
385 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
386 | if (bRC) goto exit_smapi_request_error; |
387 | /* bRC == 0 */ |
388 | if ((usCX & 0xff) != 0xff) { /* IR port not disabled */ |
389 | if ((usCX & 0xff) == mwave_uart_irq) { |
390 | #ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES |
391 | PRINTK_ERROR(KERN_ERR_MWAVE |
392 | "smapi::smapi_set_DSP_cfg: IR port irq %x conflicts with mwave_uart_irq %x\n" , usCX & 0xff, mwave_uart_irq); |
393 | #else |
394 | PRINTK_3(TRACE_SMAPI, |
395 | "smapi::smapi_set_DSP_cfg: IR port irq %x conflicts with mwave_uart_irq %x\n" , usCX & 0xff, mwave_uart_irq); |
396 | #endif |
397 | #ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES |
398 | PRINTK_1(TRACE_SMAPI, |
399 | "smapi::smapi_set_DSP_cfg Disabling conflicting IR port\n" ); |
400 | bRC = smapi_request(0x1701, 0x0100, 0, 0, |
401 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
402 | if (bRC) goto exit_smapi_request_error; |
403 | bRC = smapi_request(0x1700, 0, 0, 0, |
404 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
405 | if (bRC) goto exit_smapi_request_error; |
406 | bRC = smapi_request(0x1705, 0x01ff, 0, usSI, |
407 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
408 | if (bRC) goto exit_smapi_request_error; |
409 | bRC = smapi_request(0x1704, 0x0000, 0, 0, |
410 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
411 | if (bRC) goto exit_smapi_request_error; |
412 | #else |
413 | goto exit_conflict; |
414 | #endif |
415 | } else { |
416 | if ((usSI & 0xff) == uartio_index) { |
417 | #ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES |
418 | PRINTK_ERROR(KERN_ERR_MWAVE |
419 | "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]); |
420 | #else |
421 | PRINTK_3(TRACE_SMAPI, |
422 | "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]); |
423 | #endif |
424 | #ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES |
425 | PRINTK_1(TRACE_SMAPI, |
426 | "smapi::smapi_set_DSP_cfg Disabling conflicting IR port\n" ); |
427 | bRC = smapi_request(0x1701, 0x0100, 0, 0, |
428 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
429 | if (bRC) goto exit_smapi_request_error; |
430 | bRC = smapi_request(0x1700, 0, 0, 0, |
431 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
432 | if (bRC) goto exit_smapi_request_error; |
433 | bRC = smapi_request(0x1705, 0x01ff, 0, usSI, |
434 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
435 | if (bRC) goto exit_smapi_request_error; |
436 | bRC = smapi_request(0x1704, 0x0000, 0, 0, |
437 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
438 | if (bRC) goto exit_smapi_request_error; |
439 | #else |
440 | goto exit_conflict; |
441 | #endif |
442 | } |
443 | } |
444 | } |
445 | } |
446 | |
447 | bRC = smapi_request(inBX: 0x1802, inCX: 0x0000, inDI: 0, inSI: 0, |
448 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
449 | if (bRC) goto exit_smapi_request_error; |
450 | |
451 | if (mwave_3780i_io) { |
452 | usDI = dspio_index; |
453 | } |
454 | if (mwave_3780i_irq) { |
455 | usSI = (usSI & 0xff00) | mwave_3780i_irq; |
456 | } |
457 | |
458 | bRC = smapi_request(inBX: 0x1803, inCX: 0x0101, inDI: usDI, inSI: usSI, |
459 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
460 | if (bRC) goto exit_smapi_request_error; |
461 | |
462 | bRC = smapi_request(inBX: 0x1804, inCX: 0x0000, inDI: 0, inSI: 0, |
463 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
464 | if (bRC) goto exit_smapi_request_error; |
465 | |
466 | if (mwave_uart_io) { |
467 | usSI = (usSI & 0x00ff) | (uartio_index << 8); |
468 | } |
469 | if (mwave_uart_irq) { |
470 | usSI = (usSI & 0xff00) | mwave_uart_irq; |
471 | } |
472 | bRC = smapi_request(inBX: 0x1805, inCX: 0x0101, inDI: 0, inSI: usSI, |
473 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
474 | if (bRC) goto exit_smapi_request_error; |
475 | |
476 | bRC = smapi_request(inBX: 0x1802, inCX: 0x0000, inDI: 0, inSI: 0, |
477 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
478 | if (bRC) goto exit_smapi_request_error; |
479 | |
480 | bRC = smapi_request(inBX: 0x1804, inCX: 0x0000, inDI: 0, inSI: 0, |
481 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
482 | if (bRC) goto exit_smapi_request_error; |
483 | |
484 | /* normal exit: */ |
485 | PRINTK_1(TRACE_SMAPI, "smapi::smapi_set_DSP_cfg exit\n" ); |
486 | return 0; |
487 | |
488 | exit_conflict: |
489 | /* Message has already been printed */ |
490 | return -EIO; |
491 | |
492 | exit_smapi_request_error: |
493 | PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg exit on smapi_request error bRC %x\n" , bRC); |
494 | return bRC; |
495 | } |
496 | |
497 | |
498 | int smapi_set_DSP_power_state(bool bOn) |
499 | { |
500 | int bRC; |
501 | unsigned short usAX, usBX, usCX, usDX, usDI, usSI; |
502 | unsigned short usPowerFunction; |
503 | |
504 | PRINTK_2(TRACE_SMAPI, "smapi::smapi_set_DSP_power_state entry bOn %x\n" , bOn); |
505 | |
506 | usPowerFunction = (bOn) ? 1 : 0; |
507 | |
508 | bRC = smapi_request(inBX: 0x4901, inCX: 0x0000, inDI: 0, inSI: usPowerFunction, |
509 | outAX: &usAX, outBX: &usBX, outCX: &usCX, outDX: &usDX, outDI: &usDI, outSI: &usSI); |
510 | |
511 | PRINTK_2(TRACE_SMAPI, "smapi::smapi_set_DSP_power_state exit bRC %x\n" , bRC); |
512 | |
513 | return bRC; |
514 | } |
515 | |
516 | #if 0 |
517 | static int SmapiQuerySystemID(void) |
518 | { |
519 | int bRC = -EIO; |
520 | unsigned short usAX = 0xffff, usBX = 0xffff, usCX = 0xffff, |
521 | usDX = 0xffff, usDI = 0xffff, usSI = 0xffff; |
522 | |
523 | printk("smapi::SmapiQUerySystemID entry\n" ); |
524 | bRC = smapi_request(0x0000, 0, 0, 0, |
525 | &usAX, &usBX, &usCX, &usDX, &usDI, &usSI); |
526 | |
527 | if (bRC == 0) { |
528 | printk("AX=%x, BX=%x, CX=%x, DX=%x, DI=%x, SI=%x\n" , |
529 | usAX, usBX, usCX, usDX, usDI, usSI); |
530 | } else { |
531 | printk("smapi::SmapiQuerySystemID smapi_request error\n" ); |
532 | } |
533 | |
534 | return bRC; |
535 | } |
536 | #endif /* 0 */ |
537 | |
538 | int smapi_init(void) |
539 | { |
540 | int retval = -EIO; |
541 | unsigned short usSmapiID = 0; |
542 | unsigned long flags; |
543 | |
544 | PRINTK_1(TRACE_SMAPI, "smapi::smapi_init entry\n" ); |
545 | |
546 | spin_lock_irqsave(&rtc_lock, flags); |
547 | usSmapiID = CMOS_READ(0x7C); |
548 | usSmapiID |= (CMOS_READ(0x7D) << 8); |
549 | spin_unlock_irqrestore(lock: &rtc_lock, flags); |
550 | PRINTK_2(TRACE_SMAPI, "smapi::smapi_init usSmapiID %x\n" , usSmapiID); |
551 | |
552 | if (usSmapiID == 0x5349) { |
553 | spin_lock_irqsave(&rtc_lock, flags); |
554 | g_usSmapiPort = CMOS_READ(0x7E); |
555 | g_usSmapiPort |= (CMOS_READ(0x7F) << 8); |
556 | spin_unlock_irqrestore(lock: &rtc_lock, flags); |
557 | if (g_usSmapiPort == 0) { |
558 | PRINTK_ERROR("smapi::smapi_init, ERROR unable to read from SMAPI port\n" ); |
559 | } else { |
560 | PRINTK_2(TRACE_SMAPI, |
561 | "smapi::smapi_init, exit true g_usSmapiPort %x\n" , |
562 | g_usSmapiPort); |
563 | retval = 0; |
564 | //SmapiQuerySystemID(); |
565 | } |
566 | } else { |
567 | PRINTK_ERROR("smapi::smapi_init, ERROR invalid usSmapiID\n" ); |
568 | retval = -ENXIO; |
569 | } |
570 | |
571 | return retval; |
572 | } |
573 | |