Lines Matching full:micro
26 #include <linux/mfd/ipaq-micro.h>
34 static void ipaq_micro_trigger_tx(struct ipaq_micro *micro) in ipaq_micro_trigger_tx() argument
36 struct ipaq_micro_txdev *tx = µ->tx; in ipaq_micro_trigger_tx()
37 struct ipaq_micro_msg *msg = micro->msg; in ipaq_micro_trigger_tx()
58 val = readl(micro->base + UTCR3); in ipaq_micro_trigger_tx()
60 writel(val, micro->base + UTCR3); in ipaq_micro_trigger_tx()
63 int ipaq_micro_tx_msg(struct ipaq_micro *micro, struct ipaq_micro_msg *msg) in ipaq_micro_tx_msg() argument
67 dev_dbg(micro->dev, "TX msg: %02x, %d bytes\n", msg->id, msg->tx_len); in ipaq_micro_tx_msg()
69 spin_lock_irqsave(µ->lock, flags); in ipaq_micro_tx_msg()
70 if (micro->msg) { in ipaq_micro_tx_msg()
71 list_add_tail(&msg->node, µ->queue); in ipaq_micro_tx_msg()
72 spin_unlock_irqrestore(µ->lock, flags); in ipaq_micro_tx_msg()
75 micro->msg = msg; in ipaq_micro_tx_msg()
76 ipaq_micro_trigger_tx(micro); in ipaq_micro_tx_msg()
77 spin_unlock_irqrestore(µ->lock, flags); in ipaq_micro_tx_msg()
82 static void micro_rx_msg(struct ipaq_micro *micro, u8 id, int len, u8 *data) in micro_rx_msg() argument
86 dev_dbg(micro->dev, "RX msg: %02x, %d bytes\n", id, len); in micro_rx_msg()
88 spin_lock(µ->lock); in micro_rx_msg()
98 if (micro->msg && micro->msg->id == id) { in micro_rx_msg()
99 struct ipaq_micro_msg *msg = micro->msg; in micro_rx_msg()
103 complete(µ->msg->ack); in micro_rx_msg()
104 if (!list_empty(µ->queue)) { in micro_rx_msg()
105 micro->msg = list_entry(micro->queue.next, in micro_rx_msg()
108 list_del_init(µ->msg->node); in micro_rx_msg()
109 ipaq_micro_trigger_tx(micro); in micro_rx_msg()
111 micro->msg = NULL; in micro_rx_msg()
112 dev_dbg(micro->dev, "OK RX message 0x%02x\n", id); in micro_rx_msg()
114 dev_err(micro->dev, in micro_rx_msg()
116 if (!micro->msg) in micro_rx_msg()
117 dev_info(micro->dev, "no message queued\n"); in micro_rx_msg()
119 dev_info(micro->dev, "expected message %02x\n", in micro_rx_msg()
120 micro->msg->id); in micro_rx_msg()
124 if (micro->key) in micro_rx_msg()
125 micro->key(micro->key_data, len, data); in micro_rx_msg()
127 dev_dbg(micro->dev, "key message ignored, no handle\n"); in micro_rx_msg()
130 if (micro->ts) in micro_rx_msg()
131 micro->ts(micro->ts_data, len, data); in micro_rx_msg()
133 dev_dbg(micro->dev, "touchscreen message ignored, no handle\n"); in micro_rx_msg()
136 dev_err(micro->dev, in micro_rx_msg()
142 spin_unlock(µ->lock); in micro_rx_msg()
145 static void micro_process_char(struct ipaq_micro *micro, u8 ch) in micro_process_char() argument
147 struct ipaq_micro_rxdev *rx = µ->rx; in micro_process_char()
169 micro_rx_msg(micro, rx->id, rx->len, rx->buf); in micro_process_char()
175 static void micro_rx_chars(struct ipaq_micro *micro) in micro_rx_chars() argument
179 while ((status = readl(micro->base + UTSR1)) & UTSR1_RNE) { in micro_rx_chars()
180 ch = readl(micro->base + UTDR); in micro_rx_chars()
182 dev_err(micro->dev, "rx: parity error\n"); in micro_rx_chars()
184 dev_err(micro->dev, "rx: framing error\n"); in micro_rx_chars()
186 dev_err(micro->dev, "rx: overrun error\n"); in micro_rx_chars()
187 micro_process_char(micro, ch); in micro_rx_chars()
191 static void ipaq_micro_get_version(struct ipaq_micro *micro) in ipaq_micro_get_version() argument
197 ipaq_micro_tx_msg_sync(micro, &msg); in ipaq_micro_get_version()
199 memcpy(micro->version, msg.rx_data, 4); in ipaq_micro_get_version()
200 micro->version[4] = '\0'; in ipaq_micro_get_version()
202 memcpy(micro->version, msg.rx_data, 4); in ipaq_micro_get_version()
203 micro->version[4] = '\0'; in ipaq_micro_get_version()
206 dev_err(micro->dev, in ipaq_micro_get_version()
211 static void ipaq_micro_eeprom_read(struct ipaq_micro *micro, in ipaq_micro_eeprom_read() argument
223 ipaq_micro_tx_msg_sync(micro, &msg); in ipaq_micro_eeprom_read()
243 static void __init ipaq_micro_eeprom_dump(struct ipaq_micro *micro) in ipaq_micro_eeprom_dump() argument
248 ipaq_micro_eeprom_read(micro, 0, 128, dump); in ipaq_micro_eeprom_dump()
251 dev_info(micro->dev, "HW version %s\n", str); in ipaq_micro_eeprom_dump()
256 dev_info(micro->dev, "serial number: %s\n", str); in ipaq_micro_eeprom_dump()
263 dev_info(micro->dev, "module ID: %s\n", str); in ipaq_micro_eeprom_dump()
268 dev_info(micro->dev, "product revision: %s\n", str); in ipaq_micro_eeprom_dump()
271 dev_info(micro->dev, "product ID: %u\n", ipaq_micro_to_u16(dump+80)); in ipaq_micro_eeprom_dump()
272 dev_info(micro->dev, "frame rate: %u fps\n", in ipaq_micro_eeprom_dump()
274 dev_info(micro->dev, "page mode: %u\n", ipaq_micro_to_u16(dump+84)); in ipaq_micro_eeprom_dump()
275 dev_info(micro->dev, "country ID: %u\n", ipaq_micro_to_u16(dump+86)); in ipaq_micro_eeprom_dump()
276 dev_info(micro->dev, "color display: %s\n", in ipaq_micro_eeprom_dump()
278 dev_info(micro->dev, "ROM size: %u MiB\n", ipaq_micro_to_u16(dump+90)); in ipaq_micro_eeprom_dump()
279 dev_info(micro->dev, "RAM size: %u KiB\n", ipaq_micro_to_u16(dump+92)); in ipaq_micro_eeprom_dump()
280 dev_info(micro->dev, "screen: %u x %u\n", in ipaq_micro_eeprom_dump()
284 static void micro_tx_chars(struct ipaq_micro *micro) in micro_tx_chars() argument
286 struct ipaq_micro_txdev *tx = µ->tx; in micro_tx_chars()
290 (readl(micro->base + UTSR1) & UTSR1_TNF)) { in micro_tx_chars()
291 writel(tx->buf[tx->index], micro->base + UTDR); in micro_tx_chars()
296 val = readl(micro->base + UTCR3); in micro_tx_chars()
298 writel(val, micro->base + UTCR3); in micro_tx_chars()
301 static void micro_reset_comm(struct ipaq_micro *micro) in micro_reset_comm() argument
303 struct ipaq_micro_rxdev *rx = µ->rx; in micro_reset_comm()
306 if (micro->msg) in micro_reset_comm()
307 complete(µ->msg->ack); in micro_reset_comm()
313 writel(0x01, micro->sdlc + 0x0); /* Select UART mode */ in micro_reset_comm()
316 writel(0x0, micro->base + UTCR3); in micro_reset_comm()
319 writel(UTCR0_8BitData | UTCR0_1StpBit, micro->base + UTCR0); in micro_reset_comm()
322 writel(0x0, micro->base + UTCR1); in micro_reset_comm()
323 writel(0x1, micro->base + UTCR2); in micro_reset_comm()
326 writel(0xff, micro->base + UTSR0); in micro_reset_comm()
329 writel(UTCR3_TXE | UTCR3_RXE | UTCR3_RIE, micro->base + UTCR3); in micro_reset_comm()
330 val = readl(micro->base + UTCR3); in micro_reset_comm()
332 writel(val, micro->base + UTCR3); in micro_reset_comm()
337 struct ipaq_micro *micro = dev_id; in micro_serial_isr() local
338 struct ipaq_micro_txdev *tx = µ->tx; in micro_serial_isr()
341 status = readl(micro->base + UTSR0); in micro_serial_isr()
346 writel(UTSR0_RID, micro->base + UTSR0); in micro_serial_isr()
347 micro_rx_chars(micro); in micro_serial_isr()
353 micro->base + UTSR0); in micro_serial_isr()
356 micro_tx_chars(micro); in micro_serial_isr()
358 status = readl(micro->base + UTSR0); in micro_serial_isr()
367 { .name = "ipaq-micro-backlight", },
368 { .name = "ipaq-micro-battery", },
369 { .name = "ipaq-micro-keys", },
370 { .name = "ipaq-micro-ts", },
371 { .name = "ipaq-micro-leds", },
376 struct ipaq_micro *micro = dev_get_drvdata(dev); in micro_resume() local
378 micro_reset_comm(micro); in micro_resume()
386 struct ipaq_micro *micro; in micro_probe() local
391 micro = devm_kzalloc(&pdev->dev, sizeof(*micro), GFP_KERNEL); in micro_probe()
392 if (!micro) in micro_probe()
395 micro->dev = &pdev->dev; in micro_probe()
398 micro->base = devm_ioremap_resource(&pdev->dev, res); in micro_probe()
399 if (IS_ERR(micro->base)) in micro_probe()
400 return PTR_ERR(micro->base); in micro_probe()
406 micro->sdlc = devm_ioremap_resource(&pdev->dev, res); in micro_probe()
407 if (IS_ERR(micro->sdlc)) in micro_probe()
408 return PTR_ERR(micro->sdlc); in micro_probe()
410 micro_reset_comm(micro); in micro_probe()
416 IRQF_SHARED, "ipaq-micro", in micro_probe()
417 micro); in micro_probe()
424 spin_lock_init(µ->lock); in micro_probe()
425 INIT_LIST_HEAD(µ->queue); in micro_probe()
426 platform_set_drvdata(pdev, micro); in micro_probe()
436 ipaq_micro_get_version(micro); in micro_probe()
437 dev_info(&pdev->dev, "Atmel micro ASIC version %s\n", micro->version); in micro_probe()
438 ipaq_micro_eeprom_dump(micro); in micro_probe()
449 .name = "ipaq-h3xxx-micro",