1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19#include <linux/kernel.h>
20#include <linux/module.h>
21#include <linux/init.h>
22#include <linux/fs.h>
23#include <linux/major.h>
24#include <linux/root_dev.h>
25#include <linux/dma-mapping.h>
26#include <linux/serial.h>
27#include <linux/serial_8250.h>
28#include <linux/leds.h>
29#include <linux/gpio.h>
30#include <linux/io.h>
31#include <linux/platform_device.h>
32#include <linux/i2c.h>
33#include <linux/i2c/at24.h>
34#include <linux/i2c/pcf857x.h>
35#include <linux/etherdevice.h>
36
37#include <media/tvp514x.h>
38
39#include <asm/setup.h>
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/flash.h>
44
45#include <mach/dm646x.h>
46#include <mach/common.h>
47#include <mach/psc.h>
48#include <mach/serial.h>
49#include <mach/i2c.h>
50#include <mach/mmc.h>
51#include <mach/emac.h>
52
53#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
54 defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
55#define HAS_ATA 1
56#else
57#define HAS_ATA 0
58#endif
59
60
61#define DM646X_EVM_ATA_RST BIT(0)
62#define DM646X_EVM_ATA_PWD BIT(1)
63
64#define DM646X_EVM_PHY_MASK (0x2)
65#define DM646X_EVM_MDIO_FREQUENCY (2200000)
66
67#define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
68#define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
69#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
70#define VCH2CLK_SYSCLK8 (BIT(9))
71#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
72#define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
73#define VCH3CLK_SYSCLK8 (BIT(13))
74#define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
75
76#define VIDCH2CLK (BIT(10))
77#define VIDCH3CLK (BIT(11))
78#define VIDCH1CLK (BIT(4))
79#define TVP7002_INPUT (BIT(4))
80#define TVP5147_INPUT (~BIT(4))
81#define VPIF_INPUT_ONE_CHANNEL (BIT(5))
82#define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
83#define TVP5147_CH0 "tvp514x-0"
84#define TVP5147_CH1 "tvp514x-1"
85
86static void __iomem *vpif_vidclkctl_reg;
87static void __iomem *vpif_vsclkdis_reg;
88
89static spinlock_t vpif_reg_lock;
90
91static struct davinci_uart_config uart_config __initdata = {
92 .enabled_uarts = (1 << 0),
93};
94
95
96static int cpld_reg0_probe(struct i2c_client *client,
97 const struct i2c_device_id *id)
98{
99 if (HAS_ATA) {
100 u8 data;
101 struct i2c_msg msg[2] = {
102 {
103 .addr = client->addr,
104 .flags = I2C_M_RD,
105 .len = 1,
106 .buf = &data,
107 },
108 {
109 .addr = client->addr,
110 .flags = 0,
111 .len = 1,
112 .buf = &data,
113 },
114 };
115
116
117 i2c_transfer(client->adapter, msg, 1);
118 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
119 i2c_transfer(client->adapter, msg + 1, 1);
120 }
121
122 return 0;
123}
124
125static const struct i2c_device_id cpld_reg_ids[] = {
126 { "cpld_reg0", 0, },
127 { },
128};
129
130static struct i2c_driver dm6467evm_cpld_driver = {
131 .driver.name = "cpld_reg0",
132 .id_table = cpld_reg_ids,
133 .probe = cpld_reg0_probe,
134};
135
136
137
138static struct gpio_led evm_leds[] = {
139 { .name = "DS1", .active_low = 1, },
140 { .name = "DS2", .active_low = 1, },
141 { .name = "DS3", .active_low = 1, },
142 { .name = "DS4", .active_low = 1, },
143};
144
145static __initconst struct gpio_led_platform_data evm_led_data = {
146 .num_leds = ARRAY_SIZE(evm_leds),
147 .leds = evm_leds,
148};
149
150static struct platform_device *evm_led_dev;
151
152static int evm_led_setup(struct i2c_client *client, int gpio,
153 unsigned int ngpio, void *c)
154{
155 struct gpio_led *leds = evm_leds;
156 int status;
157
158 while (ngpio--) {
159 leds->gpio = gpio++;
160 leds++;
161 };
162
163 evm_led_dev = platform_device_alloc("leds-gpio", 0);
164 platform_device_add_data(evm_led_dev, &evm_led_data,
165 sizeof(evm_led_data));
166
167 evm_led_dev->dev.parent = &client->dev;
168 status = platform_device_add(evm_led_dev);
169 if (status < 0) {
170 platform_device_put(evm_led_dev);
171 evm_led_dev = NULL;
172 }
173 return status;
174}
175
176static int evm_led_teardown(struct i2c_client *client, int gpio,
177 unsigned ngpio, void *c)
178{
179 if (evm_led_dev) {
180 platform_device_unregister(evm_led_dev);
181 evm_led_dev = NULL;
182 }
183 return 0;
184}
185
186static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
187
188static int evm_sw_setup(struct i2c_client *client, int gpio,
189 unsigned ngpio, void *c)
190{
191 int status;
192 int i;
193 char label[10];
194
195 for (i = 0; i < 4; ++i) {
196 snprintf(label, 10, "user_sw%d", i);
197 status = gpio_request(gpio, label);
198 if (status)
199 goto out_free;
200 evm_sw_gpio[i] = gpio++;
201
202 status = gpio_direction_input(evm_sw_gpio[i]);
203 if (status) {
204 gpio_free(evm_sw_gpio[i]);
205 evm_sw_gpio[i] = -EINVAL;
206 goto out_free;
207 }
208
209 status = gpio_export(evm_sw_gpio[i], 0);
210 if (status) {
211 gpio_free(evm_sw_gpio[i]);
212 evm_sw_gpio[i] = -EINVAL;
213 goto out_free;
214 }
215 }
216 return status;
217out_free:
218 for (i = 0; i < 4; ++i) {
219 if (evm_sw_gpio[i] != -EINVAL) {
220 gpio_free(evm_sw_gpio[i]);
221 evm_sw_gpio[i] = -EINVAL;
222 }
223 }
224 return status;
225}
226
227static int evm_sw_teardown(struct i2c_client *client, int gpio,
228 unsigned ngpio, void *c)
229{
230 int i;
231
232 for (i = 0; i < 4; ++i) {
233 if (evm_sw_gpio[i] != -EINVAL) {
234 gpio_unexport(evm_sw_gpio[i]);
235 gpio_free(evm_sw_gpio[i]);
236 evm_sw_gpio[i] = -EINVAL;
237 }
238 }
239 return 0;
240}
241
242static int evm_pcf_setup(struct i2c_client *client, int gpio,
243 unsigned int ngpio, void *c)
244{
245 int status;
246
247 if (ngpio < 8)
248 return -EINVAL;
249
250 status = evm_sw_setup(client, gpio, 4, c);
251 if (status)
252 return status;
253
254 return evm_led_setup(client, gpio+4, 4, c);
255}
256
257static int evm_pcf_teardown(struct i2c_client *client, int gpio,
258 unsigned int ngpio, void *c)
259{
260 BUG_ON(ngpio < 8);
261
262 evm_sw_teardown(client, gpio, 4, c);
263 evm_led_teardown(client, gpio+4, 4, c);
264
265 return 0;
266}
267
268static struct pcf857x_platform_data pcf_data = {
269 .gpio_base = DAVINCI_N_GPIO+1,
270 .setup = evm_pcf_setup,
271 .teardown = evm_pcf_teardown,
272};
273
274
275
276
277
278
279static struct at24_platform_data eeprom_info = {
280 .byte_len = (256*1024) / 8,
281 .page_size = 64,
282 .flags = AT24_FLAG_ADDR16,
283 .setup = davinci_get_mac_addr,
284 .context = (void *)0x7f00,
285};
286
287static u8 dm646x_iis_serializer_direction[] = {
288 TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
289};
290
291static u8 dm646x_dit_serializer_direction[] = {
292 TX_MODE,
293};
294
295static struct snd_platform_data dm646x_evm_snd_data[] = {
296 {
297 .tx_dma_offset = 0x400,
298 .rx_dma_offset = 0x400,
299 .op_mode = DAVINCI_MCASP_IIS_MODE,
300 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
301 .tdm_slots = 2,
302 .serial_dir = dm646x_iis_serializer_direction,
303 .eventq_no = EVENTQ_0,
304 },
305 {
306 .tx_dma_offset = 0x400,
307 .rx_dma_offset = 0,
308 .op_mode = DAVINCI_MCASP_DIT_MODE,
309 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
310 .tdm_slots = 32,
311 .serial_dir = dm646x_dit_serializer_direction,
312 .eventq_no = EVENTQ_0,
313 },
314};
315
316static struct i2c_client *cpld_client;
317
318static int cpld_video_probe(struct i2c_client *client,
319 const struct i2c_device_id *id)
320{
321 cpld_client = client;
322 return 0;
323}
324
325static int __devexit cpld_video_remove(struct i2c_client *client)
326{
327 cpld_client = NULL;
328 return 0;
329}
330
331static const struct i2c_device_id cpld_video_id[] = {
332 { "cpld_video", 0 },
333 { }
334};
335
336static struct i2c_driver cpld_video_driver = {
337 .driver = {
338 .name = "cpld_video",
339 },
340 .probe = cpld_video_probe,
341 .remove = cpld_video_remove,
342 .id_table = cpld_video_id,
343};
344
345static void evm_init_cpld(void)
346{
347 i2c_add_driver(&cpld_video_driver);
348}
349
350static struct i2c_board_info __initdata i2c_info[] = {
351 {
352 I2C_BOARD_INFO("24c256", 0x50),
353 .platform_data = &eeprom_info,
354 },
355 {
356 I2C_BOARD_INFO("pcf8574a", 0x38),
357 .platform_data = &pcf_data,
358 },
359 {
360 I2C_BOARD_INFO("cpld_reg0", 0x3a),
361 },
362 {
363 I2C_BOARD_INFO("tlv320aic33", 0x18),
364 },
365 {
366 I2C_BOARD_INFO("cpld_video", 0x3b),
367 },
368};
369
370static struct davinci_i2c_platform_data i2c_pdata = {
371 .bus_freq = 100 ,
372 .bus_delay = 0 ,
373};
374
375static int set_vpif_clock(int mux_mode, int hd)
376{
377 unsigned long flags;
378 unsigned int value;
379 int val = 0;
380 int err = 0;
381
382 if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client)
383 return -ENXIO;
384
385
386 spin_lock_irqsave(&vpif_reg_lock, flags);
387 value = __raw_readl(vpif_vsclkdis_reg);
388 value |= (VIDCH3CLK | VIDCH2CLK);
389 __raw_writel(value, vpif_vsclkdis_reg);
390 spin_unlock_irqrestore(&vpif_reg_lock, flags);
391
392 val = i2c_smbus_read_byte(cpld_client);
393 if (val < 0)
394 return val;
395
396 if (mux_mode == 1)
397 val &= ~0x40;
398 else
399 val |= 0x40;
400
401 err = i2c_smbus_write_byte(cpld_client, val);
402 if (err)
403 return err;
404
405 value = __raw_readl(vpif_vidclkctl_reg);
406 value &= ~(VCH2CLK_MASK);
407 value &= ~(VCH3CLK_MASK);
408
409 if (hd >= 1)
410 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
411 else
412 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
413
414 __raw_writel(value, vpif_vidclkctl_reg);
415
416 spin_lock_irqsave(&vpif_reg_lock, flags);
417 value = __raw_readl(vpif_vsclkdis_reg);
418
419 value &= ~(VIDCH3CLK | VIDCH2CLK);
420 __raw_writel(value, vpif_vsclkdis_reg);
421 spin_unlock_irqrestore(&vpif_reg_lock, flags);
422
423 return 0;
424}
425
426static struct vpif_subdev_info dm646x_vpif_subdev[] = {
427 {
428 .name = "adv7343",
429 .board_info = {
430 I2C_BOARD_INFO("adv7343", 0x2a),
431 },
432 },
433 {
434 .name = "ths7303",
435 .board_info = {
436 I2C_BOARD_INFO("ths7303", 0x2c),
437 },
438 },
439};
440
441static const char *output[] = {
442 "Composite",
443 "Component",
444 "S-Video",
445};
446
447static struct vpif_display_config dm646x_vpif_display_config = {
448 .set_clock = set_vpif_clock,
449 .subdevinfo = dm646x_vpif_subdev,
450 .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
451 .output = output,
452 .output_count = ARRAY_SIZE(output),
453 .card_name = "DM646x EVM",
454};
455
456
457
458
459
460
461
462
463
464static int setup_vpif_input_path(int channel, const char *sub_dev_name)
465{
466 int err = 0;
467 int val;
468
469
470 if (channel != 0)
471 return 0;
472
473 if (!cpld_client)
474 return -ENXIO;
475
476 val = i2c_smbus_read_byte(cpld_client);
477 if (val < 0)
478 return val;
479
480 if (!strcmp(sub_dev_name, TVP5147_CH0) ||
481 !strcmp(sub_dev_name, TVP5147_CH1))
482 val &= TVP5147_INPUT;
483 else
484 val |= TVP7002_INPUT;
485
486 err = i2c_smbus_write_byte(cpld_client, val);
487 if (err)
488 return err;
489 return 0;
490}
491
492
493
494
495
496
497
498static int setup_vpif_input_channel_mode(int mux_mode)
499{
500 unsigned long flags;
501 int err = 0;
502 int val;
503 u32 value;
504
505 if (!vpif_vsclkdis_reg || !cpld_client)
506 return -ENXIO;
507
508 val = i2c_smbus_read_byte(cpld_client);
509 if (val < 0)
510 return val;
511
512 spin_lock_irqsave(&vpif_reg_lock, flags);
513 value = __raw_readl(vpif_vsclkdis_reg);
514 if (mux_mode) {
515 val &= VPIF_INPUT_TWO_CHANNEL;
516 value |= VIDCH1CLK;
517 } else {
518 val |= VPIF_INPUT_ONE_CHANNEL;
519 value &= ~VIDCH1CLK;
520 }
521 __raw_writel(value, vpif_vsclkdis_reg);
522 spin_unlock_irqrestore(&vpif_reg_lock, flags);
523
524 err = i2c_smbus_write_byte(cpld_client, val);
525 if (err)
526 return err;
527
528 return 0;
529}
530
531static struct tvp514x_platform_data tvp5146_pdata = {
532 .clk_polarity = 0,
533 .hs_polarity = 1,
534 .vs_polarity = 1
535};
536
537#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
538
539static struct vpif_subdev_info vpif_capture_sdev_info[] = {
540 {
541 .name = TVP5147_CH0,
542 .board_info = {
543 I2C_BOARD_INFO("tvp5146", 0x5d),
544 .platform_data = &tvp5146_pdata,
545 },
546 .input = INPUT_CVBS_VI2B,
547 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
548 .can_route = 1,
549 .vpif_if = {
550 .if_type = VPIF_IF_BT656,
551 .hd_pol = 1,
552 .vd_pol = 1,
553 .fid_pol = 0,
554 },
555 },
556 {
557 .name = TVP5147_CH1,
558 .board_info = {
559 I2C_BOARD_INFO("tvp5146", 0x5c),
560 .platform_data = &tvp5146_pdata,
561 },
562 .input = INPUT_SVIDEO_VI2C_VI1C,
563 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
564 .can_route = 1,
565 .vpif_if = {
566 .if_type = VPIF_IF_BT656,
567 .hd_pol = 1,
568 .vd_pol = 1,
569 .fid_pol = 0,
570 },
571 },
572};
573
574static const struct vpif_input dm6467_ch0_inputs[] = {
575 {
576 .input = {
577 .index = 0,
578 .name = "Composite",
579 .type = V4L2_INPUT_TYPE_CAMERA,
580 .std = TVP514X_STD_ALL,
581 },
582 .subdev_name = TVP5147_CH0,
583 },
584};
585
586static const struct vpif_input dm6467_ch1_inputs[] = {
587 {
588 .input = {
589 .index = 0,
590 .name = "S-Video",
591 .type = V4L2_INPUT_TYPE_CAMERA,
592 .std = TVP514X_STD_ALL,
593 },
594 .subdev_name = TVP5147_CH1,
595 },
596};
597
598static struct vpif_capture_config dm646x_vpif_capture_cfg = {
599 .setup_input_path = setup_vpif_input_path,
600 .setup_input_channel_mode = setup_vpif_input_channel_mode,
601 .subdev_info = vpif_capture_sdev_info,
602 .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
603 .chan_config[0] = {
604 .inputs = dm6467_ch0_inputs,
605 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
606 },
607 .chan_config[1] = {
608 .inputs = dm6467_ch1_inputs,
609 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
610 },
611};
612
613static void __init evm_init_video(void)
614{
615 vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4);
616 vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4);
617 if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) {
618 pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n");
619 return;
620 }
621 spin_lock_init(&vpif_reg_lock);
622
623 dm646x_setup_vpif(&dm646x_vpif_display_config,
624 &dm646x_vpif_capture_cfg);
625}
626
627static void __init evm_init_i2c(void)
628{
629 davinci_init_i2c(&i2c_pdata);
630 i2c_add_driver(&dm6467evm_cpld_driver);
631 i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
632 evm_init_cpld();
633 evm_init_video();
634}
635
636static void __init davinci_map_io(void)
637{
638 dm646x_init();
639}
640
641static __init void evm_init(void)
642{
643 struct davinci_soc_info *soc_info = &davinci_soc_info;
644
645 evm_init_i2c();
646 davinci_serial_init(&uart_config);
647 dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
648 dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
649
650 if (HAS_ATA)
651 dm646x_init_ide();
652
653 soc_info->emac_pdata->phy_mask = DM646X_EVM_PHY_MASK;
654 soc_info->emac_pdata->mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY;
655}
656
657static __init void davinci_dm646x_evm_irq_init(void)
658{
659 davinci_irq_init();
660}
661
662MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
663 .phys_io = IO_PHYS,
664 .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
665 .boot_params = (0x80000100),
666 .map_io = davinci_map_io,
667 .init_irq = davinci_dm646x_evm_irq_init,
668 .timer = &davinci_timer,
669 .init_machine = evm_init,
670MACHINE_END
671
672
