summaryrefslogtreecommitdiff
path: root/recipes/linux/linux-turbostation/002_qnap-pic.diff
blob: ce7324088adb1e1adbe7d39dc517f7ebcd78383f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
Index: linux-2.6.19/arch/ppc/platforms/qnap_pic.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.19/arch/ppc/platforms/qnap_pic.c	2007-02-25 06:06:59.000000000 +0100
@@ -0,0 +1,286 @@
+#include <linux/module.h>
+#include <linux/poll.h>
+#include <linux/miscdevice.h>
+#include <linux/serial_core.h>
+#include <linux/serial_reg.h>
+#include <asm/serial.h>
+#include <asm/io.h>
+
+#include "qnap_pic.h"
+#include "qnap_pic_user.h"
+
+static wait_queue_head_t pic_wait;
+static wait_queue_head_t queue_empty_wait;
+static int use_int = 0;
+static int tx_begin = 0, tx_end = 0, rx_begin = 0, rx_end = 0;
+static unsigned char *tx_buf = NULL;
+static unsigned char rx_buf[QUEUE_BUFSIZE];
+static int usage = 0;
+int usb_button_enabled = 1;
+
+static struct qnap_pic_event pic_event[QNAP_PIC_TOTAL_EVENT];
+
+static unsigned char qnap_pic_inb(unsigned long addr)
+{
+	return readb((void __iomem *)addr);
+}
+
+static void qnap_pic_outb(unsigned long addr, unsigned char val)
+{
+	writeb(val, (void __iomem *)addr);
+}
+
+static irqreturn_t qnap_pic_isr(int irq, void *dev_id, struct pt_regs *regs)
+{
+	unsigned char int_id;
+	unsigned char data;
+	int	i, need_wakeup;
+
+	need_wakeup = 0;
+	for (i = 0 ; i < 10 ; i++) {
+		int_id = (qnap_pic_inb(SANDPOINT_SERIAL_1 + UART_IIR) & 0x0f);
+		if (int_id & 0x01)
+			break;
+		int_id >>= 1;
+		switch (int_id) {
+		case 3:
+			qnap_pic_inb(SANDPOINT_SERIAL_1 + UART_LSR);
+			break;
+
+		case 2:
+		case 6:
+			while (qnap_pic_inb(SANDPOINT_SERIAL_1 + UART_LSR) & UART_LSR_DR) {
+				data = qnap_pic_inb(SANDPOINT_SERIAL_1 + UART_RX);
+				if((data == 0x72) ||
+				   (data == QNAP_PIC_USB_COPY_BUTTON && !usb_button_enabled))
+					continue;	// Skip it
+
+				if (((rx_end + 1) % QUEUE_BUFSIZE) != rx_begin) {
+					rx_buf[rx_end] = data;
+					//printk("qnap pic: get byte 0x%x\n", rx_buf[rx_end]);
+					rx_end = ((rx_end + 1) % QUEUE_BUFSIZE);
+				}
+				need_wakeup = 1;
+			}
+			//need_wakeup = 1;
+			break;
+		}
+	}
+	if (i == 10)
+		printk("qnap pic: Reach maximal count of pending interrupts.\n");
+	if (need_wakeup)
+		wake_up_interruptible(&pic_wait);
+	return IRQ_HANDLED;
+}
+
+int send_message_to_app(unsigned char message)
+{
+	if (((rx_end + 1) % QUEUE_BUFSIZE) != rx_begin) {
+		rx_buf[rx_end] = message;
+		//printk("qnap pic: get byte 0x%x\n", rx_buf[rx_end]);
+		rx_end = ((rx_end + 1) % QUEUE_BUFSIZE);
+	}
+	
+	wake_up_interruptible(&pic_wait);
+
+	return 0;
+}
+
+void __init qnap_pic_init(void)
+{
+	unsigned char dcr;
+
+	/* enable UART2 */
+	dcr = qnap_pic_inb(SANDPOINT_SERIAL_1 + UART_DCR);
+	dcr |= 0x01;
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_DCR, dcr);
+	/* Access baud rate */
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_LCR, UART_LCR_DLAB);
+	/* Input clock. */
+#ifdef CONFIG_QNAP_UART_CLK_100
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_DLL, (325/*(BASE_BAUD / SERIAL_BAUD)*/ & 0xFF));
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_DLM, (325/*(BASE_BAUD / SERIAL_BAUD)*/ >> 8));
+#else
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_DLL, (435/*(BASE_BAUD / SERIAL_BAUD)*/ & 0xFF));
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_DLM, (435/*(BASE_BAUD / SERIAL_BAUD)*/ >> 8));
+#endif
+	/* 8 data, 1 stop, no parity */
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_LCR, 0x03);
+}
+
+static int pic_open(struct inode *inode, struct file *fp)
+{
+	int result;
+
+	if (usage == 0) {
+		if ((result = request_irq(SANDPOINT_SERIAL_1_INT, qnap_pic_isr, SA_INTERRUPT, "qnap-pic", NULL)) < 0) {
+			printk("qnap pic - failed to attach interrupt\n");
+			return result;
+		}
+		tx_buf = (unsigned char*)kmalloc(QUEUE_BUFSIZE, GFP_KERNEL);
+		if (tx_buf == NULL) {
+			free_irq(SANDPOINT_SERIAL_1_INT, NULL);
+			return -ENOMEM;
+		}
+		use_int = 1;
+		qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT | UART_FCR_CLEAR_RCVR | UART_FCR_TRIGGER_14);
+		qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_IER, UART_IER_RDI);
+	}
+	usage++;
+	return 0;
+}
+
+static int pic_release(struct inode *inode, struct file *fp)
+{
+	usage--;
+	if (usage == 0) {
+		while (tx_begin != tx_end)
+			interruptible_sleep_on(&queue_empty_wait);
+		qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_IER, 0);
+		qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_FCR, 0);
+		free_irq(SANDPOINT_SERIAL_1_INT, NULL);
+		use_int = 0;
+		if (tx_buf)
+			kfree(tx_buf);
+	}
+	return 0;
+}
+
+static int pic_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
+{
+	int i, bytes;
+	spinlock_t lock = SPIN_LOCK_UNLOCKED;
+	unsigned long flags;
+	struct qnap_pic_ioctl qpi;
+
+	switch (cmd) {
+	case IOCTL_MSG_GET_MESSAGE:
+		memset(&qpi, 0, sizeof(struct qnap_pic_ioctl));
+		while (rx_begin == rx_end) {
+			//printk("PIC without any event\n");
+			interruptible_sleep_on(&pic_wait);
+			if (signal_pending(current))
+			{
+				printk("pic_ioctl: signal_pending current failed\n");
+				return -ERESTARTSYS;
+			}
+		}
+		spin_lock_irqsave(lock, flags);
+		// calculate how many bytes available
+		bytes = ((rx_end + QUEUE_BUFSIZE) - rx_begin) % QUEUE_BUFSIZE;
+		// read data as many as possible
+		for (i = 0 ; i < bytes ; i++) {
+			qpi.pic_data[i] = rx_buf[rx_begin];
+			qpi.count++;
+			rx_begin = (rx_begin + 1) % QUEUE_BUFSIZE;
+		}
+		spin_unlock_irqrestore(lock, flags);
+		return copy_to_user((void *)arg, &qpi, sizeof(struct qnap_pic_ioctl));
+
+	case IOCTL_MSG_SEND_MESSAGE:
+		memset(&qpi, 0, sizeof(struct qnap_pic_ioctl));
+		if (copy_from_user(&qpi, (struct qnap_pic_ioctl *)arg, sizeof(struct qnap_pic_ioctl)))
+			break;
+		for (i = 0; i < QUEUE_BUFSIZE && i < qpi.count; i += 2) {
+			if (qpi.pic_data[i] >= QNAP_PIC_TOTAL_EVENT || qpi.pic_data[i + 1] >= PIC_EVENT_COMMAND_TYPE)
+				continue;
+			switch(qpi.pic_data[i]) {
+			case QNAP_PIC_USB_COPY:
+				if(qpi.pic_data[i+1] == QNAP_PIC_EVENT_ON)
+					usb_button_enabled = 0;
+				else
+					usb_button_enabled = 1;
+				break;
+			}
+			qnap_pic_send_command(pic_event[qpi.pic_data[i]].command[qpi.pic_data[i + 1]], pic_event[qpi.pic_data[i]].count[qpi.pic_data[i + 1]]);
+		}
+		return 0;
+	case IOCTL_MSG_SEND_RAW_COMMAND:
+		memset(&qpi, 0, sizeof(struct qnap_pic_ioctl));
+		if (copy_from_user(&qpi, (struct qnap_pic_ioctl *)arg, sizeof(struct qnap_pic_ioctl)))
+			break;
+		qnap_pic_send_command(qpi.pic_data, qpi.count);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static struct file_operations pic_fops = {
+	.owner = THIS_MODULE,
+	.ioctl = pic_ioctl,
+	.open = pic_open,
+	.release = pic_release,
+};
+
+static struct miscdevice pic_device = {
+	PIC_MINOR, "pic", &pic_fops
+};
+
+static void __init qnap_pic_event_init(void)
+{
+	memset(pic_event, 0, sizeof(pic_event));
+	pic_event[QNAP_PIC_BOOT_COMPLETE].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_STATUS_GREEN_ON;
+	pic_event[QNAP_PIC_BOOT_COMPLETE].command[QNAP_PIC_EVENT_ON][1] = QNAP_PIC_BUZZER_LONG;
+	pic_event[QNAP_PIC_BOOT_COMPLETE].count[QNAP_PIC_EVENT_ON] = 2;
+	pic_event[QNAP_PIC_WRONG_HD_FORMAT].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_STATUS_RED_ON;
+	pic_event[QNAP_PIC_WRONG_HD_FORMAT].count[QNAP_PIC_EVENT_ON] = 1;
+	pic_event[QNAP_PIC_WRONG_HD_FORMAT].command[QNAP_PIC_EVENT_OFF][0] = QNAP_PIC_STATUS_GREEN_ON;
+	pic_event[QNAP_PIC_WRONG_HD_FORMAT].count[QNAP_PIC_EVENT_OFF] = 1;
+	pic_event[QNAP_PIC_POWER_OFF].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_STATUS_OFF;
+	pic_event[QNAP_PIC_POWER_OFF].command[QNAP_PIC_EVENT_ON][1] = QNAP_PIC_POWER_LED_BLINK;
+	pic_event[QNAP_PIC_POWER_OFF].count[QNAP_PIC_EVENT_ON] = 2;
+	pic_event[QNAP_PIC_HD_STANDBY].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_STATUS_GREEN_ON;
+	pic_event[QNAP_PIC_HD_STANDBY].command[QNAP_PIC_EVENT_ON][1] = QNAP_PIC_POWER_LED_BLINK;
+	pic_event[QNAP_PIC_HD_STANDBY].count[QNAP_PIC_EVENT_ON] = 2;
+	pic_event[QNAP_PIC_HD_STANDBY].command[QNAP_PIC_EVENT_OFF][0] = QNAP_PIC_STATUS_GREEN_ON;
+	pic_event[QNAP_PIC_HD_STANDBY].command[QNAP_PIC_EVENT_OFF][1] = QNAP_PIC_POWER_LED_ON;
+	pic_event[QNAP_PIC_HD_STANDBY].count[QNAP_PIC_EVENT_OFF] = 2;
+	pic_event[QNAP_PIC_USB_COPY].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_USB_LED_BLINK;
+	pic_event[QNAP_PIC_USB_COPY].count[QNAP_PIC_EVENT_ON] = 1;
+	pic_event[QNAP_PIC_USB_COPY].command[QNAP_PIC_EVENT_OFF][0] = QNAP_PIC_USB_LED_OFF;
+	pic_event[QNAP_PIC_USB_COPY].count[QNAP_PIC_EVENT_OFF] = 1;
+	pic_event[QNAP_PIC_SET_DEFAULT].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_BUZZER_SHORT;
+	pic_event[QNAP_PIC_SET_DEFAULT].count[QNAP_PIC_EVENT_ON] = 1;
+	pic_event[QNAP_PIC_POWER_RECOVERY].command[QNAP_PIC_EVENT_ON][0] = QNAP_PIC_ENABLE_POWER_RECOVERY;
+	pic_event[QNAP_PIC_POWER_RECOVERY].count[QNAP_PIC_EVENT_ON] = 1;
+	pic_event[QNAP_PIC_POWER_RECOVERY].command[QNAP_PIC_EVENT_OFF][0] = QNAP_PIC_DISABLE_POWER_RECOVERY;
+	pic_event[QNAP_PIC_POWER_RECOVERY].count[QNAP_PIC_EVENT_OFF] = 1;
+}
+
+static __init int qnap_pic_init2(void)
+{
+	int result;
+
+	result = misc_register(&pic_device);
+	if (result < 0)
+		printk("qnap pic: fail to register misc device\n");
+	else {
+		//printk("qnap pic: suceed to register misc device\n");
+		init_waitqueue_head(&pic_wait);
+		init_waitqueue_head(&queue_empty_wait);
+		qnap_pic_event_init();
+	}
+	return result;
+}
+
+__initcall(qnap_pic_init2);
+
+static void qnap_pic_putc(unsigned char c)
+{
+	while ((qnap_pic_inb(SANDPOINT_SERIAL_1 + UART_LSR) & UART_LSR_THRE) == 0)
+		;
+	qnap_pic_outb(SANDPOINT_SERIAL_1 + UART_TX, c);
+}
+
+int qnap_pic_send_command(char *data, int count)
+{
+	int i;
+
+	if (data == NULL || count <= 0)
+		return -EINVAL;
+	for (i = 0; i < count; i++)
+		qnap_pic_putc(data[i]);
+	return count;
+}
+EXPORT_SYMBOL(qnap_pic_send_command);
+EXPORT_SYMBOL(send_message_to_app);
--- linux-2.6.16.vanilla/arch/ppc/platforms/qnap_pic.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16/arch/ppc/platforms/qnap_pic.h	2007-02-25 05:09:57.000000000 +0100
@@ -0,0 +1,19 @@
+#ifndef __PPC_PLATFORMS_QNAP_PIC_H
+#define __PPC_PLATFORMS_QNAP_PIC_H
+
+extern void qnap_pic_init(void);
+extern int qnap_pic_send_command(char *data, int count);
+
+#define UART_DSR				0x10
+#define UART_DCR				0x11
+#define SERIAL_BAUD				19200
+
+#define PIC_EVENT_COMMAND_SIZE	8
+#define PIC_EVENT_COMMAND_TYPE	2
+
+struct qnap_pic_event {
+	unsigned char command[PIC_EVENT_COMMAND_TYPE][PIC_EVENT_COMMAND_SIZE];
+	int count[PIC_EVENT_COMMAND_TYPE];
+};
+
+#endif /* __PPC_PLATFORMS_QNAP_PIC_H */
--- linux-2.6.16.vanilla/arch/ppc/platforms/qnap_pic_user.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16/arch/ppc/platforms/qnap_pic_user.h	2007-02-25 05:09:57.000000000 +0100
@@ -0,0 +1,91 @@
+#ifndef __PPC_PLATFORMS_QNAP_PIC_USER_H
+#define __PPC_PLATFORMS_QNAP_PIC_USER_H
+
+#define QUEUE_BUFSIZE					16
+#define PIC_MINOR						80
+#define PIC_DEV							"/dev/pic"
+
+struct qnap_pic_ioctl {
+	unsigned char pic_data[QUEUE_BUFSIZE];
+	int count;
+};
+
+#define IOCTL_MSG_MAGIC					'Q'
+#define IOCTL_MSG_GET_MESSAGE			_IOR(IOCTL_MSG_MAGIC, 1000, struct qnap_pic_ioctl)
+#define IOCTL_MSG_SEND_MESSAGE			_IOW(IOCTL_MSG_MAGIC, 1001, struct qnap_pic_ioctl)
+#define IOCTL_MSG_SEND_RAW_COMMAND		_IOW(IOCTL_MSG_MAGIC, 1002, struct qnap_pic_ioctl)
+
+#define QNAP_PIC_BOOT_COMPLETE			0
+#define QNAP_PIC_NO_HD				1
+#define QNAP_PIC_WRONG_HD_FORMAT		2
+#define QNAP_PIC_HD_BAD_BLOCK			3
+#define QNAP_PIC_HD_FULL			4
+#define QNAP_PIC_FIRMWARE_UPDATE		5
+#define QNAP_PIC_POWER_OFF			6
+#define QNAP_PIC_HD_STANDBY			7
+#define QNAP_PIC_USB_COPY			8
+#define QNAP_PIC_SET_DEFAULT			9
+#define QNAP_PIC_POWER_RECOVERY			10
+
+#define QNAP_PIC_TOTAL_EVENT			11
+#define QNAP_PIC_EVENT_OFF			0
+#define QNAP_PIC_EVENT_ON			1
+
+#define QNAP_PIC_POWER_BUTTON			0x40
+#define QNAP_PIC_USB_COPY_BUTTON		0x68
+#define QNAP_PIC_SET_DEFAULT_BUTTON		0x6A
+#define QNAP_PIC_FAN_ENABLE			0x71
+#define QNAP_PIC_FAN_DISABLE			0x72
+#define QNAP_PIC_FAN_ERROR			0x73
+#define QNAP_PIC_FAN_NORMAL			0x74
+#define QNAP_PIC_POWER_RECOVERY_ON		0x79
+#define QNAP_PIC_POWER_RECOVERY_OFF		0x7A
+#define QNAP_NET_NIC_UP				0x81
+#define QNAP_NET_NIC_DOWN			0x82
+
+/*add by KenChen for GIGA Lan up notification 20060329
+#define GIGA				1000
+#define QNAP_GIGA_LAN_UP				0x7C
+#define QNAP_NOT_GIGA_LAN_UP				0x7D
+end here*/
+
+//Ricky added some hotswap command
+#define QNAP_ESATA_UP				0x83
+#define QNAP_ESATA_DOWN				0x84
+#define QNAP_USB_FRONT_UP			0x85
+#define QNAP_USB_FRONT_DOWN			0x86
+#define QNAP_USB_B_UPPER_UP			0x87
+#define QNAP_USB_B_UPPER_DOWN			0x88
+#define QNAP_USB_B_LOWER_UP			0x89
+#define QNAP_USB_B_LOWER_DOWN			0x8A
+#define QNAP_USB_PRINTER_UP			0x8B
+#define QNAP_USB_PRINTER_DOWN			0x8C
+#define QNAP_SATA_UP                           	0x8D
+#define QNAP_SATA_DOWN                         	0x8E
+//End
+
+#define MD_REBUILDING				0x91
+#define MD_REBUILDING_DONE			0x92
+#define MD_REBUILDING_SKIP			0x93
+
+#define QNAP_PIC_SOFTWARE_SHUTDOWN   		0x41
+#define QNAP_PIC_POWER_RECOVERY_STATUS	   	0x46
+#define QNAP_PIC_POWER_LED_OFF		   	0x4B
+#define QNAP_PIC_POWER_LED_BLINK		0x4C
+#define QNAP_PIC_POWER_LED_ON		   	0x4D
+#define QNAP_PIC_ENABLE_POWER_RECOVERY		0x48
+#define QNAP_PIC_DISABLE_POWER_RECOVERY		0x49
+#define QNAP_PIC_BUZZER_SHORT			0x50
+#define QNAP_PIC_BUZZER_LONG			0x51
+#define QNAP_PIC_STATUS_RED_BLINK		0x54
+#define QNAP_PIC_STATUS_GREEN_BLINK		0x55
+#define QNAP_PIC_STATUS_GREEN_ON		0x56
+#define QNAP_PIC_STATUS_RED_ON			0x57
+#define QNAP_PIC_STATUS_BOTH_BLINK		0x58
+#define QNAP_PIC_STATUS_OFF			0x59
+#define QNAP_PIC_USB_LED_ON			0x60
+#define QNAP_PIC_USB_LED_BLINK			0x61
+#define QNAP_PIC_USB_LED_OFF			0x62
+#define QNAP_PIC_SOFTWARE_REBOOT     		0x66
+
+#endif /* __PPC_PLATFORMS_QNAP_PIC_USER_H */