1 /* 2 * Access various peripherals on a board using the JZ4780. 3 * 4 * Copyright (C) 2023 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 /* NOTE: AIC support should be replaced. The CI20 should be able to send I2S 23 audio over HDMI or via its internal codec to the headphone socket. */ 24 25 #include <l4/devices/aic-x1600.h> 26 27 #include <l4/devices/cpm-jz4780.h> 28 #include <l4/devices/dma-jz4780.h> 29 #include <l4/devices/gpio-jz4780.h> 30 #include <l4/devices/i2c-jz4780.h> 31 32 /* GPIO-based SPI can use arbitrary pins, whereas only the secondary header 33 provides pins like GPC. */ 34 35 #include <l4/devices/spi-gpio.h> 36 #include <l4/devices/spi-jz4780.h> 37 #include "common.h" 38 39 40 41 /* AIC adapter functions. */ 42 43 void *aic_init(l4_addr_t aic_start, l4_addr_t start, l4_addr_t end, void *cpm) 44 { 45 return x1600_aic_init(aic_start, start, end, cpm); 46 } 47 48 void *aic_get_channel(void *aic, int num, void *channel) 49 { 50 return x1600_aic_get_channel(aic, num, channel); 51 } 52 53 unsigned int aic_transfer(void *channel, l4re_dma_space_dma_addr_t paddr, 54 uint32_t count, uint32_t sample_rate, 55 uint8_t sample_size) 56 { 57 return x1600_aic_transfer(channel, paddr, count, sample_rate, sample_size); 58 } 59 60 61 62 /* CPM adapter functions. */ 63 64 void *cpm_init(l4_addr_t cpm_base) 65 { 66 return jz4780_cpm_init(cpm_base); 67 } 68 69 const char *cpm_clock_type(void *cpm, enum Clock_identifiers clock) 70 { 71 return jz4780_cpm_clock_type(cpm, clock); 72 } 73 74 int cpm_have_clock(void *cpm, enum Clock_identifiers clock) 75 { 76 return jz4780_cpm_have_clock(cpm, clock); 77 } 78 79 void cpm_start_clock(void *cpm, enum Clock_identifiers clock) 80 { 81 jz4780_cpm_start_clock(cpm, clock); 82 } 83 84 void cpm_stop_clock(void *cpm, enum Clock_identifiers clock) 85 { 86 jz4780_cpm_stop_clock(cpm, clock); 87 } 88 89 int cpm_get_parameters(void *cpm, enum Clock_identifiers clock, 90 uint32_t parameters[]) 91 { 92 return jz4780_cpm_get_parameters(cpm, clock, parameters); 93 } 94 95 int cpm_set_parameters(void *cpm, enum Clock_identifiers clock, 96 int num_parameters, uint32_t parameters[]) 97 { 98 return jz4780_cpm_set_parameters(cpm, clock, num_parameters, parameters); 99 } 100 101 uint8_t cpm_get_source(void *cpm, enum Clock_identifiers clock) 102 { 103 return jz4780_cpm_get_source(cpm, clock); 104 } 105 106 void cpm_set_source(void *cpm, enum Clock_identifiers clock, uint8_t source) 107 { 108 jz4780_cpm_set_source(cpm, clock, source); 109 } 110 111 enum Clock_identifiers cpm_get_source_clock(void *cpm, enum Clock_identifiers clock) 112 { 113 return jz4780_cpm_get_source_clock(cpm, clock); 114 } 115 116 void cpm_set_source_clock(void *cpm, enum Clock_identifiers clock, enum Clock_identifiers source) 117 { 118 jz4780_cpm_set_source_clock(cpm, clock, source); 119 } 120 121 uint64_t cpm_get_source_frequency(void *cpm, enum Clock_identifiers clock) 122 { 123 return jz4780_cpm_get_source_frequency(cpm, clock); 124 } 125 126 uint64_t cpm_get_frequency(void *cpm, enum Clock_identifiers clock) 127 { 128 return jz4780_cpm_get_frequency(cpm, clock); 129 } 130 131 int cpm_set_frequency(void *cpm, enum Clock_identifiers clock, uint64_t frequency) 132 { 133 return jz4780_cpm_set_frequency(cpm, clock, frequency); 134 } 135 136 137 138 /* DMA adapter functions. */ 139 140 void *dma_init(l4_addr_t start, l4_addr_t end, void *cpm) 141 { 142 return jz4780_dma_init(start, end, cpm); 143 } 144 145 void dma_disable(void *dma_chip) 146 { 147 jz4780_dma_disable(dma_chip); 148 } 149 150 void dma_enable(void *dma_chip) 151 { 152 jz4780_dma_enable(dma_chip); 153 } 154 155 void *dma_get_channel(void *dma, uint8_t channel, l4_cap_idx_t irq) 156 { 157 return jz4780_dma_get_channel(dma, channel, irq); 158 } 159 160 unsigned int dma_transfer(void *dma_channel, 161 uint32_t source, uint32_t destination, 162 unsigned int count, 163 int source_increment, int destination_increment, 164 uint8_t source_width, uint8_t destination_width, 165 uint8_t transfer_unit_size, 166 int type) 167 { 168 return jz4780_dma_transfer(dma_channel, source, destination, count, 169 source_increment, destination_increment, 170 source_width, destination_width, 171 transfer_unit_size, type); 172 } 173 174 unsigned int dma_wait(void *dma_channel) 175 { 176 return jz4780_dma_wait(dma_channel); 177 } 178 179 180 181 /* GPIO adapter functions. */ 182 183 void *gpio_init(l4_addr_t start, l4_addr_t end, unsigned pins, 184 l4_uint32_t pull_ups, l4_uint32_t pull_downs) 185 { 186 return jz4780_gpio_init(start, end, pins, pull_ups, pull_downs); 187 } 188 189 void gpio_setup(void *gpio, unsigned pin, unsigned mode, int value) 190 { 191 jz4780_gpio_setup(gpio, pin, mode, value); 192 } 193 194 void gpio_config_pull(void *gpio, unsigned pin, unsigned mode) 195 { 196 jz4780_gpio_config_pull(gpio, pin, mode); 197 } 198 199 void gpio_config_pad(void *gpio, unsigned pin, unsigned func, unsigned value) 200 { 201 jz4780_gpio_config_pad(gpio, pin, func, value); 202 } 203 204 void gpio_config_get(void *gpio, unsigned pin, unsigned reg, unsigned *value) 205 { 206 jz4780_gpio_config_get(gpio, pin, reg, value); 207 } 208 209 void gpio_config_pad_get(void *gpio, unsigned pin, unsigned *func, unsigned *value) 210 { 211 jz4780_gpio_config_pad_get(gpio, pin, func, value); 212 } 213 214 void gpio_multi_setup(void *gpio, Pin_slice const *mask, unsigned mode, unsigned outvalues) 215 { 216 jz4780_gpio_multi_setup(gpio, mask, mode, outvalues); 217 } 218 219 void gpio_multi_config_pad(void *gpio, Pin_slice const *mask, unsigned func, unsigned value) 220 { 221 jz4780_gpio_multi_config_pad(gpio, mask, func, value); 222 } 223 224 void gpio_multi_set(void *gpio, Pin_slice const *mask, unsigned data) 225 { 226 jz4780_gpio_multi_set(gpio, mask, data); 227 } 228 229 unsigned gpio_multi_get(void *gpio, unsigned offset) 230 { 231 return jz4780_gpio_multi_get(gpio, offset); 232 } 233 234 int gpio_get(void *gpio, unsigned pin) 235 { 236 return jz4780_gpio_get(gpio, pin); 237 } 238 239 void gpio_set(void *gpio, unsigned pin, int value) 240 { 241 jz4780_gpio_set(gpio, pin, value); 242 } 243 244 void *gpio_get_irq(void *gpio, unsigned pin) 245 { 246 return jz4780_gpio_get_irq(gpio, pin); 247 } 248 249 bool gpio_irq_set_mode(void *gpio_irq, unsigned mode) 250 { 251 return jz4780_gpio_irq_set_mode(gpio_irq, mode); 252 } 253 254 255 256 /* I2C adapter functions. */ 257 258 void *i2c_init(l4_addr_t start, l4_addr_t end, void *cpm, 259 uint32_t frequency) 260 { 261 return jz4780_i2c_init(start, end, cpm, frequency); 262 } 263 264 void *i2c_get_channel(void *i2c, uint8_t channel) 265 { 266 return jz4780_i2c_get_channel(i2c, channel); 267 } 268 269 uint32_t i2c_get_frequency(void *i2c_channel) 270 { 271 return jz4780_i2c_get_frequency(i2c_channel); 272 } 273 274 void i2c_set_target(void *i2c_channel, uint8_t addr) 275 { 276 return jz4780_i2c_set_target(i2c_channel, addr); 277 } 278 279 void i2c_start_read(void *i2c_channel, uint8_t buf[], unsigned int total, 280 int stop) 281 { 282 jz4780_i2c_start_read(i2c_channel, buf, total, stop); 283 } 284 285 void i2c_read(void *i2c_channel) 286 { 287 jz4780_i2c_read(i2c_channel); 288 } 289 290 void i2c_start_write(void *i2c_channel, uint8_t buf[], unsigned int total, 291 int stop) 292 { 293 jz4780_i2c_start_write(i2c_channel, buf, total, stop); 294 } 295 296 void i2c_write(void *i2c_channel) 297 { 298 jz4780_i2c_write(i2c_channel); 299 } 300 301 int i2c_read_done(void *i2c_channel) 302 { 303 return jz4780_i2c_read_done(i2c_channel); 304 } 305 306 int i2c_write_done(void *i2c_channel) 307 { 308 return jz4780_i2c_write_done(i2c_channel); 309 } 310 311 unsigned int i2c_have_read(void *i2c_channel) 312 { 313 return jz4780_i2c_have_read(i2c_channel); 314 } 315 316 unsigned int i2c_have_written(void *i2c_channel) 317 { 318 return jz4780_i2c_have_written(i2c_channel); 319 } 320 321 int i2c_failed(void *i2c_channel) 322 { 323 return jz4780_i2c_failed(i2c_channel); 324 } 325 326 void i2c_stop(void *i2c_channel) 327 { 328 jz4780_i2c_stop(i2c_channel); 329 } 330 331 332 333 /* SPI adapter functions. */ 334 335 void *spi_init(l4_addr_t spi_start, l4_addr_t start, l4_addr_t end, void *cpm) 336 { 337 return jz4780_spi_init(spi_start, start, end, cpm); 338 } 339 340 void *spi_get_channel(void *spi, uint8_t num, void *channel, uint64_t frequency) 341 { 342 return jz4780_spi_get_channel(spi, num, channel, frequency); 343 } 344 345 void *spi_get_channel_gpio(void *clock_chip, int clock_pin, 346 void *data_chip, int data_pin, 347 void *enable_chip, int enable_pin, 348 uint64_t frequency) 349 { 350 return spi_gpio_get_channel(clock_chip, clock_pin, data_chip, data_pin, 351 enable_chip, enable_pin, frequency); 352 } 353 354 void spi_send(void *channel, int bytes, const uint8_t data[], uint8_t unit_size, 355 uint8_t char_size) 356 { 357 jz4780_spi_send(channel, bytes, data, unit_size, char_size); 358 } 359 360 void spi_send_gpio(void *channel, int bytes, const uint8_t data[]) 361 { 362 spi_gpio_send(channel, bytes, data); 363 } 364 365 uint32_t spi_transfer(void *channel, l4re_dma_space_dma_addr_t paddr, 366 uint32_t count, uint8_t unit_size, uint8_t char_size) 367 { 368 return jz4780_spi_transfer(channel, paddr, count, unit_size, char_size); 369 } 370 371 372 373 /* Memory regions. */ 374 375 const char *memory_regions[] = { 376 [AIC] = "jz4780-aic", 377 [CPM] = "jz4780-cpm", 378 [DMA] = "jz4780-dma", 379 [GPIO] = "jz4780-gpio", 380 [I2C] = "jz4780-i2c", 381 [SSI] = "jz4780-ssi", 382 }; 383 384 385 386 /* AIC definitions. */ 387 388 void *aic_channels[] = {NULL, NULL}; 389 390 const unsigned int num_aic_channels = 2; 391 392 l4_cap_idx_t aic_irqs[] = {L4_INVALID_CAP}; 393 394 395 396 /* CPM definitions. */ 397 398 struct clock_info clocks[] = { 399 {"ext", Clock_external, "External"}, 400 {"plla", Clock_pll_A, "PLL A"}, 401 {"plle", Clock_pll_E, "PLL E"}, 402 {"pllm", Clock_pll_M, "PLL M"}, 403 {"pllv", Clock_pll_V, "PLL V"}, 404 {"main", Clock_main, "Main"}, 405 {"cpu", Clock_cpu, "CPU"}, 406 {"h2p", Clock_hclock2_pclock, "AHB2/APB"}, 407 {"ahb0", Clock_hclock0, "AHB0"}, 408 {"ahb2", Clock_hclock2, "AHB2"}, 409 {"apb", Clock_pclock, "APB"}, 410 {"dma", Clock_dma, "DMA"}, 411 {"hdmi", Clock_lcd, "HDMI"}, 412 {"lcd", Clock_lcd, "LCD"}, 413 {"lcd0", Clock_lcd_pixel0, "LCD0 pixel"}, 414 {"lcd1", Clock_lcd_pixel1, "LCD1 pixel"}, 415 {"msc", Clock_msc, "MSC"}, 416 {"msc0", Clock_msc0, "MSC0"}, 417 {"msc1", Clock_msc1, "MSC1"}, 418 {"msc2", Clock_msc1, "MSC2"}, 419 {"otg0", Clock_otg0, "USB OTG0"}, 420 {"otg1", Clock_otg1, "USB OTG1"}, 421 {"i2c0", Clock_i2c0, "I2C0"}, 422 {"i2c1", Clock_i2c1, "I2C1"}, 423 {"i2c2", Clock_i2c2, "I2C2"}, 424 {"i2c3", Clock_i2c3, "I2C3"}, 425 {"i2c4", Clock_i2c4, "I2C4"}, 426 {"i2s0", Clock_i2s0, "I2S0"}, 427 {"i2s1", Clock_i2s1, "I2S1"}, 428 {"pcm", Clock_pcm, "PCM"}, 429 {"ssi", Clock_ssi, "SSI"}, 430 {"ssi0", Clock_ssi0, "SSI0"}, 431 {"ssi1", Clock_ssi1, "SSI1"}, 432 {"uart0", Clock_uart0, "UART0"}, 433 {"uart1", Clock_uart1, "UART1"}, 434 {"uart2", Clock_uart2, "UART2"}, 435 {"uart3", Clock_uart3, "UART3"}, 436 {"uart4", Clock_uart4, "UART4"}, 437 {NULL, Clock_undefined, NULL}, 438 }; 439 440 441 442 /* DMA definitions. */ 443 444 void *dma_channels[32] = {NULL}; 445 446 const unsigned int num_dma_channels = 32; 447 448 struct dma_region dma_regions[8]; 449 450 const unsigned int num_dma_regions = 8; 451 452 l4_cap_idx_t dma_irq = L4_INVALID_CAP; 453 454 455 456 /* GPIO definitions. */ 457 458 struct gpio_port gpio_ports[] = { 459 {0x3fff00ff, 0x00000000}, 460 {0xfff0f3fc, 0x000f0c03}, 461 {0x0fffffff, 0x00000000}, 462 {0xffff4fff, 0x0000b000}, 463 {0xf0fff37c, 0x00000483}, 464 {0x7fa7f00f, 0x00580ff0}, 465 }; 466 467 const unsigned int num_gpio_ports = 6; 468 469 const char gpio_port_labels[] = "ABCDEF"; 470 471 472 473 /* I2C definitions. */ 474 475 void *i2c_channels[] = {NULL, NULL, NULL, NULL, NULL}; 476 477 const unsigned int num_i2c_channels = 5; 478 479 l4_cap_idx_t i2c_irqs[] = {L4_INVALID_CAP, L4_INVALID_CAP}; 480 481 482 483 /* SPI definitions. */ 484 485 void *spi_channels[] = {NULL, NULL}; 486 487 const unsigned int num_spi_channels = 2;