rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * TI DaVinci DM646X EVM board |
| 3 | * |
| 4 | * Derived from: arch/arm/mach-davinci/board-evm.c |
| 5 | * Copyright (C) 2006 Texas Instruments. |
| 6 | * |
| 7 | * (C) 2007-2008, MontaVista Software, Inc. |
| 8 | * |
| 9 | * This file is licensed under the terms of the GNU General Public License |
| 10 | * version 2. This program is licensed "as is" without any warranty of any |
| 11 | * kind, whether express or implied. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | /************************************************************************** |
| 16 | * Included Files |
| 17 | **************************************************************************/ |
| 18 | |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/leds.h> |
| 22 | #include <linux/gpio.h> |
| 23 | #include <linux/platform_device.h> |
| 24 | #include <linux/i2c.h> |
| 25 | #include <linux/platform_data/at24.h> |
| 26 | #include <linux/platform_data/pcf857x.h> |
| 27 | |
| 28 | #include <media/i2c/tvp514x.h> |
| 29 | #include <media/i2c/adv7343.h> |
| 30 | |
| 31 | #include <linux/mtd/mtd.h> |
| 32 | #include <linux/mtd/rawnand.h> |
| 33 | #include <linux/mtd/partitions.h> |
| 34 | #include <linux/clk.h> |
| 35 | #include <linux/export.h> |
| 36 | #include <linux/platform_data/gpio-davinci.h> |
| 37 | #include <linux/platform_data/i2c-davinci.h> |
| 38 | #include <linux/platform_data/mtd-davinci.h> |
| 39 | #include <linux/platform_data/mtd-davinci-aemif.h> |
| 40 | |
| 41 | #include <asm/mach-types.h> |
| 42 | #include <asm/mach/arch.h> |
| 43 | |
| 44 | #include <mach/common.h> |
| 45 | #include <mach/irqs.h> |
| 46 | #include <mach/serial.h> |
| 47 | #include <mach/clock.h> |
| 48 | |
| 49 | #include "davinci.h" |
| 50 | #include "clock.h" |
| 51 | |
| 52 | #define NAND_BLOCK_SIZE SZ_128K |
| 53 | |
| 54 | /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot |
| 55 | * and U-Boot environment this avoids dependency on any particular combination |
| 56 | * of UBL, U-Boot or flashing tools etc. |
| 57 | */ |
| 58 | static struct mtd_partition davinci_nand_partitions[] = { |
| 59 | { |
| 60 | /* UBL, U-Boot with environment */ |
| 61 | .name = "bootloader", |
| 62 | .offset = MTDPART_OFS_APPEND, |
| 63 | .size = 16 * NAND_BLOCK_SIZE, |
| 64 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 65 | }, { |
| 66 | .name = "kernel", |
| 67 | .offset = MTDPART_OFS_APPEND, |
| 68 | .size = SZ_4M, |
| 69 | .mask_flags = 0, |
| 70 | }, { |
| 71 | .name = "filesystem", |
| 72 | .offset = MTDPART_OFS_APPEND, |
| 73 | .size = MTDPART_SIZ_FULL, |
| 74 | .mask_flags = 0, |
| 75 | } |
| 76 | }; |
| 77 | |
| 78 | static struct davinci_aemif_timing dm6467tevm_nandflash_timing = { |
| 79 | .wsetup = 29, |
| 80 | .wstrobe = 24, |
| 81 | .whold = 14, |
| 82 | .rsetup = 19, |
| 83 | .rstrobe = 33, |
| 84 | .rhold = 0, |
| 85 | .ta = 29, |
| 86 | }; |
| 87 | |
| 88 | static struct davinci_nand_pdata davinci_nand_data = { |
| 89 | .mask_cle = 0x80000, |
| 90 | .mask_ale = 0x40000, |
| 91 | .parts = davinci_nand_partitions, |
| 92 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), |
| 93 | .ecc_mode = NAND_ECC_HW, |
| 94 | .ecc_bits = 1, |
| 95 | .options = 0, |
| 96 | }; |
| 97 | |
| 98 | static struct resource davinci_nand_resources[] = { |
| 99 | { |
| 100 | .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE, |
| 101 | .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1, |
| 102 | .flags = IORESOURCE_MEM, |
| 103 | }, { |
| 104 | .start = DM646X_ASYNC_EMIF_CONTROL_BASE, |
| 105 | .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, |
| 106 | .flags = IORESOURCE_MEM, |
| 107 | }, |
| 108 | }; |
| 109 | |
| 110 | static struct platform_device davinci_nand_device = { |
| 111 | .name = "davinci_nand", |
| 112 | .id = 0, |
| 113 | |
| 114 | .num_resources = ARRAY_SIZE(davinci_nand_resources), |
| 115 | .resource = davinci_nand_resources, |
| 116 | |
| 117 | .dev = { |
| 118 | .platform_data = &davinci_nand_data, |
| 119 | }, |
| 120 | }; |
| 121 | |
| 122 | #define HAS_ATA (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ |
| 123 | IS_ENABLED(CONFIG_PATA_BK3710)) |
| 124 | |
| 125 | #ifdef CONFIG_I2C |
| 126 | /* CPLD Register 0 bits to control ATA */ |
| 127 | #define DM646X_EVM_ATA_RST BIT(0) |
| 128 | #define DM646X_EVM_ATA_PWD BIT(1) |
| 129 | |
| 130 | /* CPLD Register 0 Client: used for I/O Control */ |
| 131 | static int cpld_reg0_probe(struct i2c_client *client, |
| 132 | const struct i2c_device_id *id) |
| 133 | { |
| 134 | if (HAS_ATA) { |
| 135 | u8 data; |
| 136 | struct i2c_msg msg[2] = { |
| 137 | { |
| 138 | .addr = client->addr, |
| 139 | .flags = I2C_M_RD, |
| 140 | .len = 1, |
| 141 | .buf = &data, |
| 142 | }, |
| 143 | { |
| 144 | .addr = client->addr, |
| 145 | .flags = 0, |
| 146 | .len = 1, |
| 147 | .buf = &data, |
| 148 | }, |
| 149 | }; |
| 150 | |
| 151 | /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */ |
| 152 | i2c_transfer(client->adapter, msg, 1); |
| 153 | data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD); |
| 154 | i2c_transfer(client->adapter, msg + 1, 1); |
| 155 | } |
| 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | static const struct i2c_device_id cpld_reg_ids[] = { |
| 161 | { "cpld_reg0", 0, }, |
| 162 | { }, |
| 163 | }; |
| 164 | |
| 165 | static struct i2c_driver dm6467evm_cpld_driver = { |
| 166 | .driver.name = "cpld_reg0", |
| 167 | .id_table = cpld_reg_ids, |
| 168 | .probe = cpld_reg0_probe, |
| 169 | }; |
| 170 | |
| 171 | /* LEDS */ |
| 172 | |
| 173 | static struct gpio_led evm_leds[] = { |
| 174 | { .name = "DS1", .active_low = 1, }, |
| 175 | { .name = "DS2", .active_low = 1, }, |
| 176 | { .name = "DS3", .active_low = 1, }, |
| 177 | { .name = "DS4", .active_low = 1, }, |
| 178 | }; |
| 179 | |
| 180 | static const struct gpio_led_platform_data evm_led_data = { |
| 181 | .num_leds = ARRAY_SIZE(evm_leds), |
| 182 | .leds = evm_leds, |
| 183 | }; |
| 184 | |
| 185 | static struct platform_device *evm_led_dev; |
| 186 | |
| 187 | static int evm_led_setup(struct i2c_client *client, int gpio, |
| 188 | unsigned int ngpio, void *c) |
| 189 | { |
| 190 | struct gpio_led *leds = evm_leds; |
| 191 | int status; |
| 192 | |
| 193 | while (ngpio--) { |
| 194 | leds->gpio = gpio++; |
| 195 | leds++; |
| 196 | } |
| 197 | |
| 198 | evm_led_dev = platform_device_alloc("leds-gpio", 0); |
| 199 | platform_device_add_data(evm_led_dev, &evm_led_data, |
| 200 | sizeof(evm_led_data)); |
| 201 | |
| 202 | evm_led_dev->dev.parent = &client->dev; |
| 203 | status = platform_device_add(evm_led_dev); |
| 204 | if (status < 0) { |
| 205 | platform_device_put(evm_led_dev); |
| 206 | evm_led_dev = NULL; |
| 207 | } |
| 208 | return status; |
| 209 | } |
| 210 | |
| 211 | static int evm_led_teardown(struct i2c_client *client, int gpio, |
| 212 | unsigned ngpio, void *c) |
| 213 | { |
| 214 | if (evm_led_dev) { |
| 215 | platform_device_unregister(evm_led_dev); |
| 216 | evm_led_dev = NULL; |
| 217 | } |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL }; |
| 222 | |
| 223 | static int evm_sw_setup(struct i2c_client *client, int gpio, |
| 224 | unsigned ngpio, void *c) |
| 225 | { |
| 226 | int status; |
| 227 | int i; |
| 228 | char label[10]; |
| 229 | |
| 230 | for (i = 0; i < 4; ++i) { |
| 231 | snprintf(label, 10, "user_sw%d", i); |
| 232 | status = gpio_request(gpio, label); |
| 233 | if (status) |
| 234 | goto out_free; |
| 235 | evm_sw_gpio[i] = gpio++; |
| 236 | |
| 237 | status = gpio_direction_input(evm_sw_gpio[i]); |
| 238 | if (status) { |
| 239 | gpio_free(evm_sw_gpio[i]); |
| 240 | evm_sw_gpio[i] = -EINVAL; |
| 241 | goto out_free; |
| 242 | } |
| 243 | |
| 244 | status = gpio_export(evm_sw_gpio[i], 0); |
| 245 | if (status) { |
| 246 | gpio_free(evm_sw_gpio[i]); |
| 247 | evm_sw_gpio[i] = -EINVAL; |
| 248 | goto out_free; |
| 249 | } |
| 250 | } |
| 251 | return status; |
| 252 | out_free: |
| 253 | for (i = 0; i < 4; ++i) { |
| 254 | if (evm_sw_gpio[i] != -EINVAL) { |
| 255 | gpio_free(evm_sw_gpio[i]); |
| 256 | evm_sw_gpio[i] = -EINVAL; |
| 257 | } |
| 258 | } |
| 259 | return status; |
| 260 | } |
| 261 | |
| 262 | static int evm_sw_teardown(struct i2c_client *client, int gpio, |
| 263 | unsigned ngpio, void *c) |
| 264 | { |
| 265 | int i; |
| 266 | |
| 267 | for (i = 0; i < 4; ++i) { |
| 268 | if (evm_sw_gpio[i] != -EINVAL) { |
| 269 | gpio_unexport(evm_sw_gpio[i]); |
| 270 | gpio_free(evm_sw_gpio[i]); |
| 271 | evm_sw_gpio[i] = -EINVAL; |
| 272 | } |
| 273 | } |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | static int evm_pcf_setup(struct i2c_client *client, int gpio, |
| 278 | unsigned int ngpio, void *c) |
| 279 | { |
| 280 | int status; |
| 281 | |
| 282 | if (ngpio < 8) |
| 283 | return -EINVAL; |
| 284 | |
| 285 | status = evm_sw_setup(client, gpio, 4, c); |
| 286 | if (status) |
| 287 | return status; |
| 288 | |
| 289 | return evm_led_setup(client, gpio+4, 4, c); |
| 290 | } |
| 291 | |
| 292 | static int evm_pcf_teardown(struct i2c_client *client, int gpio, |
| 293 | unsigned int ngpio, void *c) |
| 294 | { |
| 295 | BUG_ON(ngpio < 8); |
| 296 | |
| 297 | evm_sw_teardown(client, gpio, 4, c); |
| 298 | evm_led_teardown(client, gpio+4, 4, c); |
| 299 | |
| 300 | return 0; |
| 301 | } |
| 302 | |
| 303 | static struct pcf857x_platform_data pcf_data = { |
| 304 | .gpio_base = DAVINCI_N_GPIO+1, |
| 305 | .setup = evm_pcf_setup, |
| 306 | .teardown = evm_pcf_teardown, |
| 307 | }; |
| 308 | |
| 309 | /* Most of this EEPROM is unused, but U-Boot uses some data: |
| 310 | * - 0x7f00, 6 bytes Ethernet Address |
| 311 | * - ... newer boards may have more |
| 312 | */ |
| 313 | |
| 314 | static struct at24_platform_data eeprom_info = { |
| 315 | .byte_len = (256*1024) / 8, |
| 316 | .page_size = 64, |
| 317 | .flags = AT24_FLAG_ADDR16, |
| 318 | .setup = davinci_get_mac_addr, |
| 319 | .context = (void *)0x7f00, |
| 320 | }; |
| 321 | #endif |
| 322 | |
| 323 | static u8 dm646x_iis_serializer_direction[] = { |
| 324 | TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| 325 | }; |
| 326 | |
| 327 | static u8 dm646x_dit_serializer_direction[] = { |
| 328 | TX_MODE, |
| 329 | }; |
| 330 | |
| 331 | static struct snd_platform_data dm646x_evm_snd_data[] = { |
| 332 | { |
| 333 | .tx_dma_offset = 0x400, |
| 334 | .rx_dma_offset = 0x400, |
| 335 | .op_mode = DAVINCI_MCASP_IIS_MODE, |
| 336 | .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction), |
| 337 | .tdm_slots = 2, |
| 338 | .serial_dir = dm646x_iis_serializer_direction, |
| 339 | .asp_chan_q = EVENTQ_0, |
| 340 | }, |
| 341 | { |
| 342 | .tx_dma_offset = 0x400, |
| 343 | .rx_dma_offset = 0, |
| 344 | .op_mode = DAVINCI_MCASP_DIT_MODE, |
| 345 | .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction), |
| 346 | .tdm_slots = 32, |
| 347 | .serial_dir = dm646x_dit_serializer_direction, |
| 348 | .asp_chan_q = EVENTQ_0, |
| 349 | }, |
| 350 | }; |
| 351 | |
| 352 | #ifdef CONFIG_I2C |
| 353 | static struct i2c_client *cpld_client; |
| 354 | |
| 355 | static int cpld_video_probe(struct i2c_client *client, |
| 356 | const struct i2c_device_id *id) |
| 357 | { |
| 358 | cpld_client = client; |
| 359 | return 0; |
| 360 | } |
| 361 | |
| 362 | static int cpld_video_remove(struct i2c_client *client) |
| 363 | { |
| 364 | cpld_client = NULL; |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | static const struct i2c_device_id cpld_video_id[] = { |
| 369 | { "cpld_video", 0 }, |
| 370 | { } |
| 371 | }; |
| 372 | |
| 373 | static struct i2c_driver cpld_video_driver = { |
| 374 | .driver = { |
| 375 | .name = "cpld_video", |
| 376 | }, |
| 377 | .probe = cpld_video_probe, |
| 378 | .remove = cpld_video_remove, |
| 379 | .id_table = cpld_video_id, |
| 380 | }; |
| 381 | |
| 382 | static void evm_init_cpld(void) |
| 383 | { |
| 384 | i2c_add_driver(&cpld_video_driver); |
| 385 | } |
| 386 | |
| 387 | static struct i2c_board_info __initdata i2c_info[] = { |
| 388 | { |
| 389 | I2C_BOARD_INFO("24c256", 0x50), |
| 390 | .platform_data = &eeprom_info, |
| 391 | }, |
| 392 | { |
| 393 | I2C_BOARD_INFO("pcf8574a", 0x38), |
| 394 | .platform_data = &pcf_data, |
| 395 | }, |
| 396 | { |
| 397 | I2C_BOARD_INFO("cpld_reg0", 0x3a), |
| 398 | }, |
| 399 | { |
| 400 | I2C_BOARD_INFO("tlv320aic33", 0x18), |
| 401 | }, |
| 402 | { |
| 403 | I2C_BOARD_INFO("cpld_video", 0x3b), |
| 404 | }, |
| 405 | }; |
| 406 | |
| 407 | static struct davinci_i2c_platform_data i2c_pdata = { |
| 408 | .bus_freq = 100 /* kHz */, |
| 409 | .bus_delay = 0 /* usec */, |
| 410 | }; |
| 411 | |
| 412 | #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8)) |
| 413 | #define VCH2CLK_SYSCLK8 (BIT(9)) |
| 414 | #define VCH2CLK_AUXCLK (BIT(9) | BIT(8)) |
| 415 | #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12)) |
| 416 | #define VCH3CLK_SYSCLK8 (BIT(13)) |
| 417 | #define VCH3CLK_AUXCLK (BIT(14) | BIT(13)) |
| 418 | |
| 419 | #define VIDCH2CLK (BIT(10)) |
| 420 | #define VIDCH3CLK (BIT(11)) |
| 421 | #define VIDCH1CLK (BIT(4)) |
| 422 | #define TVP7002_INPUT (BIT(4)) |
| 423 | #define TVP5147_INPUT (~BIT(4)) |
| 424 | #define VPIF_INPUT_ONE_CHANNEL (BIT(5)) |
| 425 | #define VPIF_INPUT_TWO_CHANNEL (~BIT(5)) |
| 426 | #define TVP5147_CH0 "tvp514x-0" |
| 427 | #define TVP5147_CH1 "tvp514x-1" |
| 428 | |
| 429 | /* spin lock for updating above registers */ |
| 430 | static spinlock_t vpif_reg_lock; |
| 431 | |
| 432 | static int set_vpif_clock(int mux_mode, int hd) |
| 433 | { |
| 434 | unsigned long flags; |
| 435 | unsigned int value; |
| 436 | int val = 0; |
| 437 | int err = 0; |
| 438 | |
| 439 | if (!cpld_client) |
| 440 | return -ENXIO; |
| 441 | |
| 442 | /* disable the clock */ |
| 443 | spin_lock_irqsave(&vpif_reg_lock, flags); |
| 444 | value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS)); |
| 445 | value |= (VIDCH3CLK | VIDCH2CLK); |
| 446 | __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS)); |
| 447 | spin_unlock_irqrestore(&vpif_reg_lock, flags); |
| 448 | |
| 449 | val = i2c_smbus_read_byte(cpld_client); |
| 450 | if (val < 0) |
| 451 | return val; |
| 452 | |
| 453 | if (mux_mode == 1) |
| 454 | val &= ~0x40; |
| 455 | else |
| 456 | val |= 0x40; |
| 457 | |
| 458 | err = i2c_smbus_write_byte(cpld_client, val); |
| 459 | if (err) |
| 460 | return err; |
| 461 | |
| 462 | value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL)); |
| 463 | value &= ~(VCH2CLK_MASK); |
| 464 | value &= ~(VCH3CLK_MASK); |
| 465 | |
| 466 | if (hd >= 1) |
| 467 | value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8); |
| 468 | else |
| 469 | value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK); |
| 470 | |
| 471 | __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL)); |
| 472 | |
| 473 | spin_lock_irqsave(&vpif_reg_lock, flags); |
| 474 | value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS)); |
| 475 | /* enable the clock */ |
| 476 | value &= ~(VIDCH3CLK | VIDCH2CLK); |
| 477 | __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS)); |
| 478 | spin_unlock_irqrestore(&vpif_reg_lock, flags); |
| 479 | |
| 480 | return 0; |
| 481 | } |
| 482 | |
| 483 | static struct vpif_subdev_info dm646x_vpif_subdev[] = { |
| 484 | { |
| 485 | .name = "adv7343", |
| 486 | .board_info = { |
| 487 | I2C_BOARD_INFO("adv7343", 0x2a), |
| 488 | }, |
| 489 | }, |
| 490 | { |
| 491 | .name = "ths7303", |
| 492 | .board_info = { |
| 493 | I2C_BOARD_INFO("ths7303", 0x2c), |
| 494 | }, |
| 495 | }, |
| 496 | }; |
| 497 | |
| 498 | static const struct vpif_output dm6467_ch0_outputs[] = { |
| 499 | { |
| 500 | .output = { |
| 501 | .index = 0, |
| 502 | .name = "Composite", |
| 503 | .type = V4L2_OUTPUT_TYPE_ANALOG, |
| 504 | .capabilities = V4L2_OUT_CAP_STD, |
| 505 | .std = V4L2_STD_ALL, |
| 506 | }, |
| 507 | .subdev_name = "adv7343", |
| 508 | .output_route = ADV7343_COMPOSITE_ID, |
| 509 | }, |
| 510 | { |
| 511 | .output = { |
| 512 | .index = 1, |
| 513 | .name = "Component", |
| 514 | .type = V4L2_OUTPUT_TYPE_ANALOG, |
| 515 | .capabilities = V4L2_OUT_CAP_DV_TIMINGS, |
| 516 | }, |
| 517 | .subdev_name = "adv7343", |
| 518 | .output_route = ADV7343_COMPONENT_ID, |
| 519 | }, |
| 520 | { |
| 521 | .output = { |
| 522 | .index = 2, |
| 523 | .name = "S-Video", |
| 524 | .type = V4L2_OUTPUT_TYPE_ANALOG, |
| 525 | .capabilities = V4L2_OUT_CAP_STD, |
| 526 | .std = V4L2_STD_ALL, |
| 527 | }, |
| 528 | .subdev_name = "adv7343", |
| 529 | .output_route = ADV7343_SVIDEO_ID, |
| 530 | }, |
| 531 | }; |
| 532 | |
| 533 | static struct vpif_display_config dm646x_vpif_display_config = { |
| 534 | .set_clock = set_vpif_clock, |
| 535 | .subdevinfo = dm646x_vpif_subdev, |
| 536 | .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev), |
| 537 | .i2c_adapter_id = 1, |
| 538 | .chan_config[0] = { |
| 539 | .outputs = dm6467_ch0_outputs, |
| 540 | .output_count = ARRAY_SIZE(dm6467_ch0_outputs), |
| 541 | }, |
| 542 | .card_name = "DM646x EVM Video Display", |
| 543 | }; |
| 544 | |
| 545 | /** |
| 546 | * setup_vpif_input_path() |
| 547 | * @channel: channel id (0 - CH0, 1 - CH1) |
| 548 | * @sub_dev_name: ptr sub device name |
| 549 | * |
| 550 | * This will set vpif input to capture data from tvp514x or |
| 551 | * tvp7002. |
| 552 | */ |
| 553 | static int setup_vpif_input_path(int channel, const char *sub_dev_name) |
| 554 | { |
| 555 | int err = 0; |
| 556 | int val; |
| 557 | |
| 558 | /* for channel 1, we don't do anything */ |
| 559 | if (channel != 0) |
| 560 | return 0; |
| 561 | |
| 562 | if (!cpld_client) |
| 563 | return -ENXIO; |
| 564 | |
| 565 | val = i2c_smbus_read_byte(cpld_client); |
| 566 | if (val < 0) |
| 567 | return val; |
| 568 | |
| 569 | if (!strcmp(sub_dev_name, TVP5147_CH0) || |
| 570 | !strcmp(sub_dev_name, TVP5147_CH1)) |
| 571 | val &= TVP5147_INPUT; |
| 572 | else |
| 573 | val |= TVP7002_INPUT; |
| 574 | |
| 575 | err = i2c_smbus_write_byte(cpld_client, val); |
| 576 | if (err) |
| 577 | return err; |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | /** |
| 582 | * setup_vpif_input_channel_mode() |
| 583 | * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel |
| 584 | * |
| 585 | * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147) |
| 586 | */ |
| 587 | static int setup_vpif_input_channel_mode(int mux_mode) |
| 588 | { |
| 589 | unsigned long flags; |
| 590 | int err = 0; |
| 591 | int val; |
| 592 | u32 value; |
| 593 | |
| 594 | if (!cpld_client) |
| 595 | return -ENXIO; |
| 596 | |
| 597 | val = i2c_smbus_read_byte(cpld_client); |
| 598 | if (val < 0) |
| 599 | return val; |
| 600 | |
| 601 | spin_lock_irqsave(&vpif_reg_lock, flags); |
| 602 | value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL)); |
| 603 | if (mux_mode) { |
| 604 | val &= VPIF_INPUT_TWO_CHANNEL; |
| 605 | value |= VIDCH1CLK; |
| 606 | } else { |
| 607 | val |= VPIF_INPUT_ONE_CHANNEL; |
| 608 | value &= ~VIDCH1CLK; |
| 609 | } |
| 610 | __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL)); |
| 611 | spin_unlock_irqrestore(&vpif_reg_lock, flags); |
| 612 | |
| 613 | err = i2c_smbus_write_byte(cpld_client, val); |
| 614 | if (err) |
| 615 | return err; |
| 616 | |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | static struct tvp514x_platform_data tvp5146_pdata = { |
| 621 | .clk_polarity = 0, |
| 622 | .hs_polarity = 1, |
| 623 | .vs_polarity = 1 |
| 624 | }; |
| 625 | |
| 626 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) |
| 627 | |
| 628 | static struct vpif_subdev_info vpif_capture_sdev_info[] = { |
| 629 | { |
| 630 | .name = TVP5147_CH0, |
| 631 | .board_info = { |
| 632 | I2C_BOARD_INFO("tvp5146", 0x5d), |
| 633 | .platform_data = &tvp5146_pdata, |
| 634 | }, |
| 635 | }, |
| 636 | { |
| 637 | .name = TVP5147_CH1, |
| 638 | .board_info = { |
| 639 | I2C_BOARD_INFO("tvp5146", 0x5c), |
| 640 | .platform_data = &tvp5146_pdata, |
| 641 | }, |
| 642 | }, |
| 643 | }; |
| 644 | |
| 645 | static struct vpif_input dm6467_ch0_inputs[] = { |
| 646 | { |
| 647 | .input = { |
| 648 | .index = 0, |
| 649 | .name = "Composite", |
| 650 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 651 | .capabilities = V4L2_IN_CAP_STD, |
| 652 | .std = TVP514X_STD_ALL, |
| 653 | }, |
| 654 | .subdev_name = TVP5147_CH0, |
| 655 | .input_route = INPUT_CVBS_VI2B, |
| 656 | .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 657 | }, |
| 658 | }; |
| 659 | |
| 660 | static struct vpif_input dm6467_ch1_inputs[] = { |
| 661 | { |
| 662 | .input = { |
| 663 | .index = 0, |
| 664 | .name = "S-Video", |
| 665 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 666 | .capabilities = V4L2_IN_CAP_STD, |
| 667 | .std = TVP514X_STD_ALL, |
| 668 | }, |
| 669 | .subdev_name = TVP5147_CH1, |
| 670 | .input_route = INPUT_SVIDEO_VI2C_VI1C, |
| 671 | .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 672 | }, |
| 673 | }; |
| 674 | |
| 675 | static struct vpif_capture_config dm646x_vpif_capture_cfg = { |
| 676 | .setup_input_path = setup_vpif_input_path, |
| 677 | .setup_input_channel_mode = setup_vpif_input_channel_mode, |
| 678 | .subdev_info = vpif_capture_sdev_info, |
| 679 | .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info), |
| 680 | .i2c_adapter_id = 1, |
| 681 | .chan_config[0] = { |
| 682 | .inputs = dm6467_ch0_inputs, |
| 683 | .input_count = ARRAY_SIZE(dm6467_ch0_inputs), |
| 684 | .vpif_if = { |
| 685 | .if_type = VPIF_IF_BT656, |
| 686 | .hd_pol = 1, |
| 687 | .vd_pol = 1, |
| 688 | .fid_pol = 0, |
| 689 | }, |
| 690 | }, |
| 691 | .chan_config[1] = { |
| 692 | .inputs = dm6467_ch1_inputs, |
| 693 | .input_count = ARRAY_SIZE(dm6467_ch1_inputs), |
| 694 | .vpif_if = { |
| 695 | .if_type = VPIF_IF_BT656, |
| 696 | .hd_pol = 1, |
| 697 | .vd_pol = 1, |
| 698 | .fid_pol = 0, |
| 699 | }, |
| 700 | }, |
| 701 | .card_name = "DM646x EVM Video Capture", |
| 702 | }; |
| 703 | |
| 704 | static void __init evm_init_video(void) |
| 705 | { |
| 706 | spin_lock_init(&vpif_reg_lock); |
| 707 | |
| 708 | dm646x_setup_vpif(&dm646x_vpif_display_config, |
| 709 | &dm646x_vpif_capture_cfg); |
| 710 | } |
| 711 | |
| 712 | static void __init evm_init_i2c(void) |
| 713 | { |
| 714 | davinci_init_i2c(&i2c_pdata); |
| 715 | i2c_add_driver(&dm6467evm_cpld_driver); |
| 716 | i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); |
| 717 | evm_init_cpld(); |
| 718 | evm_init_video(); |
| 719 | } |
| 720 | #endif |
| 721 | |
| 722 | #define DM6467T_EVM_REF_FREQ 33000000 |
| 723 | |
| 724 | static void __init davinci_map_io(void) |
| 725 | { |
| 726 | dm646x_init(); |
| 727 | |
| 728 | if (machine_is_davinci_dm6467tevm()) |
| 729 | davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ); |
| 730 | } |
| 731 | |
| 732 | #define DM646X_EVM_PHY_ID "davinci_mdio-0:01" |
| 733 | /* |
| 734 | * The following EDMA channels/slots are not being used by drivers (for |
| 735 | * example: Timer, GPIO, UART events etc) on dm646x, hence they are being |
| 736 | * reserved for codecs on the DSP side. |
| 737 | */ |
| 738 | static const s16 dm646x_dma_rsv_chans[][2] = { |
| 739 | /* (offset, number) */ |
| 740 | { 0, 4}, |
| 741 | {13, 3}, |
| 742 | {24, 4}, |
| 743 | {30, 2}, |
| 744 | {54, 3}, |
| 745 | {-1, -1} |
| 746 | }; |
| 747 | |
| 748 | static const s16 dm646x_dma_rsv_slots[][2] = { |
| 749 | /* (offset, number) */ |
| 750 | { 0, 4}, |
| 751 | {13, 3}, |
| 752 | {24, 4}, |
| 753 | {30, 2}, |
| 754 | {54, 3}, |
| 755 | {128, 384}, |
| 756 | {-1, -1} |
| 757 | }; |
| 758 | |
| 759 | static struct edma_rsv_info dm646x_edma_rsv[] = { |
| 760 | { |
| 761 | .rsv_chans = dm646x_dma_rsv_chans, |
| 762 | .rsv_slots = dm646x_dma_rsv_slots, |
| 763 | }, |
| 764 | }; |
| 765 | |
| 766 | static __init void evm_init(void) |
| 767 | { |
| 768 | int ret; |
| 769 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
| 770 | |
| 771 | ret = dm646x_gpio_register(); |
| 772 | if (ret) |
| 773 | pr_warn("%s: GPIO init failed: %d\n", __func__, ret); |
| 774 | |
| 775 | #ifdef CONFIG_I2C |
| 776 | evm_init_i2c(); |
| 777 | #endif |
| 778 | |
| 779 | davinci_serial_init(dm646x_serial_device); |
| 780 | dm646x_init_mcasp0(&dm646x_evm_snd_data[0]); |
| 781 | dm646x_init_mcasp1(&dm646x_evm_snd_data[1]); |
| 782 | |
| 783 | if (machine_is_davinci_dm6467tevm()) |
| 784 | davinci_nand_data.timing = &dm6467tevm_nandflash_timing; |
| 785 | |
| 786 | platform_device_register(&davinci_nand_device); |
| 787 | |
| 788 | if (davinci_aemif_setup(&davinci_nand_device)) |
| 789 | pr_warn("%s: Cannot configure AEMIF.\n", __func__); |
| 790 | |
| 791 | dm646x_init_edma(dm646x_edma_rsv); |
| 792 | |
| 793 | if (HAS_ATA) |
| 794 | davinci_init_ide(); |
| 795 | |
| 796 | soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID; |
| 797 | } |
| 798 | |
| 799 | MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM") |
| 800 | .atag_offset = 0x100, |
| 801 | .map_io = davinci_map_io, |
| 802 | .init_irq = davinci_irq_init, |
| 803 | .init_time = davinci_timer_init, |
| 804 | .init_machine = evm_init, |
| 805 | .init_late = davinci_init_late, |
| 806 | .dma_zone_size = SZ_128M, |
| 807 | .restart = davinci_restart, |
| 808 | MACHINE_END |
| 809 | |
| 810 | MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM") |
| 811 | .atag_offset = 0x100, |
| 812 | .map_io = davinci_map_io, |
| 813 | .init_irq = davinci_irq_init, |
| 814 | .init_time = davinci_timer_init, |
| 815 | .init_machine = evm_init, |
| 816 | .init_late = davinci_init_late, |
| 817 | .dma_zone_size = SZ_128M, |
| 818 | .restart = davinci_restart, |
| 819 | MACHINE_END |
| 820 | |