/*  * Access various peripherals on a board using the JZ4780.  *  * Copyright (C) 2023 Paul Boddie <paul@boddie.org.uk>  *  * This program is free software; you can redistribute it and/or  * modify it under the terms of the GNU General Public License as  * published by the Free Software Foundation; either version 2 of  * the License, or (at your option) any later version.  *  * This program is distributed in the hope that it will be useful,  * but WITHOUT ANY WARRANTY; without even the implied warranty of  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  * GNU General Public License for more details.  *  * You should have received a copy of the GNU General Public License  * along with this program; if not, write to the Free Software  * Foundation, Inc., 51 Franklin Street, Fifth Floor,  * Boston, MA  02110-1301, USA  */  /* NOTE: AIC support should be replaced. The CI20 should be able to send I2S          audio over HDMI or via its internal codec to the headphone socket. */  #include <l4/devices/aic-x1600.h>  #include <l4/devices/cpm-jz4780.h> #include <l4/devices/dma-jz4780.h> #include <l4/devices/gpio-jz4780.h> #include <l4/devices/i2c-jz4780.h>  /* The X1600 RTC functionality is a subset of that in the JZ4780. */  #include <l4/devices/rtc-x1600.h>  /* GPIO-based SPI can use arbitrary pins, whereas on the CI20 only the secondary    header provides pins like GPC. */  #include <l4/devices/spi-gpio.h> #include <l4/devices/spi-hybrid.h> #include <l4/devices/spi-jz4780.h> #include "common.h"    /* AIC adapter functions. */  void *aic_init(l4_addr_t aic_start, l4_addr_t start, l4_addr_t end, void *cpm) {   return x1600_aic_init(aic_start, start, end, cpm); }  void *aic_get_channel(void *aic, int num, void *channel) {   return x1600_aic_get_channel(aic, num, channel); }  unsigned int aic_transfer(void *channel, l4re_dma_space_dma_addr_t paddr,                           uint32_t count, uint32_t sample_rate,                           uint8_t sample_size) {   return x1600_aic_transfer(channel, paddr, count, sample_rate, sample_size); }    /* CPM adapter functions. */  void *cpm_init(l4_addr_t cpm_base) {   return jz4780_cpm_init(cpm_base); }  const char *cpm_clock_type(void *cpm, enum Clock_identifiers clock) {   return jz4780_cpm_clock_type(cpm, clock); }  int cpm_have_clock(void *cpm, enum Clock_identifiers clock) {   return jz4780_cpm_have_clock(cpm, clock); }  void cpm_start_clock(void *cpm, enum Clock_identifiers clock) {   jz4780_cpm_start_clock(cpm, clock); }  void cpm_stop_clock(void *cpm, enum Clock_identifiers clock) {   jz4780_cpm_stop_clock(cpm, clock); }  int cpm_get_parameters(void *cpm, enum Clock_identifiers clock,                        uint32_t parameters[]) {   return jz4780_cpm_get_parameters(cpm, clock, parameters); }  int cpm_set_parameters(void *cpm, enum Clock_identifiers clock,                        int num_parameters, uint32_t parameters[]) {   return jz4780_cpm_set_parameters(cpm, clock, num_parameters, parameters); }  uint8_t cpm_get_source(void *cpm, enum Clock_identifiers clock) {   return jz4780_cpm_get_source(cpm, clock); }  void cpm_set_source(void *cpm, enum Clock_identifiers clock, uint8_t source) {   jz4780_cpm_set_source(cpm, clock, source); }  enum Clock_identifiers cpm_get_source_clock(void *cpm, enum Clock_identifiers clock) {   return jz4780_cpm_get_source_clock(cpm, clock); }  void cpm_set_source_clock(void *cpm, enum Clock_identifiers clock, enum Clock_identifiers source) {   jz4780_cpm_set_source_clock(cpm, clock, source); }  uint64_t cpm_get_source_frequency(void *cpm, enum Clock_identifiers clock) {   return jz4780_cpm_get_source_frequency(cpm, clock); }  uint64_t cpm_get_frequency(void *cpm, enum Clock_identifiers clock) {   return jz4780_cpm_get_frequency(cpm, clock); }  int cpm_set_frequency(void *cpm, enum Clock_identifiers clock, uint64_t frequency) {   return jz4780_cpm_set_frequency(cpm, clock, frequency); }    /* DMA adapter functions. */  void *dma_init(l4_addr_t start, l4_addr_t end, void *cpm) {   return jz4780_dma_init(start, end, cpm); }  void dma_disable(void *dma_chip) {   jz4780_dma_disable(dma_chip); }  void dma_enable(void *dma_chip) {   jz4780_dma_enable(dma_chip); }  void *dma_get_channel(void *dma, uint8_t channel, l4_cap_idx_t irq) {   return jz4780_dma_get_channel(dma, channel, irq); }  unsigned int dma_transfer(void *dma_channel,                           uint32_t source, uint32_t destination,                           unsigned int count,                           int source_increment, int destination_increment,                           uint8_t source_width, uint8_t destination_width,                           uint8_t transfer_unit_size,                           int type) {   return jz4780_dma_transfer(dma_channel, source, destination, count,                              source_increment, destination_increment,                              source_width, destination_width,                              transfer_unit_size, type); }  unsigned int dma_wait(void *dma_channel) {   return jz4780_dma_wait(dma_channel); }    /* GPIO adapter functions. */  void *gpio_init(l4_addr_t start, l4_addr_t end, unsigned pins,                 l4_uint32_t pull_ups, l4_uint32_t pull_downs) {   return jz4780_gpio_init(start, end, pins, pull_ups, pull_downs); }  void gpio_setup(void *gpio, unsigned pin, unsigned mode, int value) {   jz4780_gpio_setup(gpio, pin, mode, value); }  void gpio_config_pull(void *gpio, unsigned pin, unsigned mode) {   jz4780_gpio_config_pull(gpio, pin, mode); }  void gpio_config_pad(void *gpio, unsigned pin, unsigned func, unsigned value) {   jz4780_gpio_config_pad(gpio, pin, func, value); }  void gpio_config_get(void *gpio, unsigned pin, unsigned reg, unsigned *value) {   jz4780_gpio_config_get(gpio, pin, reg, value); }  void gpio_config_pad_get(void *gpio, unsigned pin, unsigned *func, unsigned *value) {   jz4780_gpio_config_pad_get(gpio, pin, func, value); }  void gpio_multi_setup(void *gpio, Pin_slice const *mask, unsigned mode, unsigned outvalues) {   jz4780_gpio_multi_setup(gpio, mask, mode, outvalues); }  void gpio_multi_config_pad(void *gpio, Pin_slice const *mask, unsigned func, unsigned value) {   jz4780_gpio_multi_config_pad(gpio, mask, func, value); }  void gpio_multi_set(void *gpio, Pin_slice const *mask, unsigned data) {   jz4780_gpio_multi_set(gpio, mask, data); }  unsigned gpio_multi_get(void *gpio, unsigned offset) {   return jz4780_gpio_multi_get(gpio, offset); }  int gpio_get(void *gpio, unsigned pin) {   return jz4780_gpio_get(gpio, pin); }  void gpio_set(void *gpio, unsigned pin, int value) {   jz4780_gpio_set(gpio, pin, value); }  void *gpio_get_irq(void *gpio, unsigned pin) {   return jz4780_gpio_get_irq(gpio, pin); }  bool gpio_irq_set_mode(void *gpio_irq, unsigned mode) {   return jz4780_gpio_irq_set_mode(gpio_irq, mode); }    /* I2C adapter functions. */  void *i2c_init(l4_addr_t start, l4_addr_t end, void *cpm,                uint32_t frequency) {   return jz4780_i2c_init(start, end, cpm, frequency); }  void *i2c_get_channel(void *i2c, uint8_t channel) {   return jz4780_i2c_get_channel(i2c, channel); }  uint32_t i2c_get_frequency(void *i2c_channel) {   return jz4780_i2c_get_frequency(i2c_channel); }  void i2c_set_target(void *i2c_channel, uint8_t addr) {   return jz4780_i2c_set_target(i2c_channel, addr); }  void i2c_start_read(void *i2c_channel, uint8_t buf[], unsigned int total,                     int stop) {   jz4780_i2c_start_read(i2c_channel, buf, total, stop); }  void i2c_read(void *i2c_channel) {   jz4780_i2c_read(i2c_channel); }  void i2c_start_write(void *i2c_channel, uint8_t buf[], unsigned int total,                      int stop) {   jz4780_i2c_start_write(i2c_channel, buf, total, stop); }  void i2c_write(void *i2c_channel) {   jz4780_i2c_write(i2c_channel); }  int i2c_read_done(void *i2c_channel) {   return jz4780_i2c_read_done(i2c_channel); }  int i2c_write_done(void *i2c_channel) {   return jz4780_i2c_write_done(i2c_channel); }  unsigned int i2c_have_read(void *i2c_channel) {   return jz4780_i2c_have_read(i2c_channel); }  unsigned int i2c_have_written(void *i2c_channel) {   return jz4780_i2c_have_written(i2c_channel); }  int i2c_failed(void *i2c_channel) {   return jz4780_i2c_failed(i2c_channel); }  void i2c_stop(void *i2c_channel) {   jz4780_i2c_stop(i2c_channel); }    /* RTC adapter functions. */  void *rtc_init(l4_addr_t start, void *cpm) {   /* Ignore the CPM requirement for the JZ4780. */    (void) cpm;   return x1600_rtc_init(start, NULL); }  void rtc_disable(void *rtc) {   x1600_rtc_disable(rtc); }  void rtc_enable(void *rtc) {   x1600_rtc_enable(rtc); }  void rtc_alarm_disable(void *rtc) {   x1600_rtc_alarm_disable(rtc); }  void rtc_alarm_enable(void *rtc) {   x1600_rtc_alarm_enable(rtc); }  uint32_t rtc_get_seconds(void *rtc) {   return x1600_rtc_get_seconds(rtc); }  void rtc_set_seconds(void *rtc, uint32_t seconds) {   x1600_rtc_set_seconds(rtc, seconds); }  uint32_t rtc_get_alarm_seconds(void *rtc) {   return x1600_rtc_get_alarm_seconds(rtc); }  void rtc_set_alarm_seconds(void *rtc, uint32_t seconds) {   x1600_rtc_set_alarm_seconds(rtc, seconds); }  void rtc_hibernate(void *rtc) {   x1600_rtc_hibernate(rtc); }  void rtc_power_down(void *rtc) {   x1600_rtc_power_down(rtc); }  void rtc_set_regulator(void *rtc, uint32_t base, uint32_t adjustment) {   x1600_rtc_set_regulator(rtc, base, adjustment); }    /* SPI adapter functions. */  void *spi_init(l4_addr_t spi_start, l4_addr_t start, l4_addr_t end, void *cpm) {   return jz4780_spi_init(spi_start, start, end, cpm); }  void *spi_get_channel(void *spi, uint8_t num, void *channel, uint64_t frequency,                       void *control_chip, int control_pin, int control_alt_func) {   void *ch = jz4780_spi_get_channel(spi, num, channel, frequency);    return spi_hybrid_get_channel(ch, control_chip, control_pin, control_alt_func); }  void *spi_get_channel_gpio(uint64_t frequency,                            void *clock_chip, int clock_pin,                            void *data_chip, int data_pin,                            void *enable_chip, int enable_pin,                            void *control_chip, int control_pin) {   void *ch = spi_gpio_get_channel(frequency, clock_chip, clock_pin, data_chip,                                   data_pin, enable_chip, enable_pin, control_chip,                                   control_pin);    return spi_hybrid_get_channel(ch, control_chip, control_pin, -1); }  void spi_acquire_control(void *channel, int level) {   spi_hybrid_acquire_control(channel, level); }  void spi_release_control(void *channel) {   spi_hybrid_release_control(channel); }  void spi_send(void *channel, uint32_t bytes, const uint8_t data[]) {   spi_hybrid_send(channel, bytes, data); }  void spi_send_units(void *channel, uint32_t bytes, const uint8_t data[],                     uint8_t unit_size, uint8_t char_size, int big_endian) {   spi_hybrid_send_units(channel, bytes, data, unit_size, char_size, big_endian); }  uint32_t spi_transfer(void *channel, l4_addr_t vaddr,                       l4re_dma_space_dma_addr_t paddr, uint32_t count,                       uint8_t unit_size, uint8_t char_size,                       l4_addr_t desc_vaddr, l4re_dma_space_dma_addr_t desc_paddr) {   return spi_hybrid_transfer_descriptor(channel, vaddr, paddr, count, unit_size,                                         char_size, desc_vaddr, desc_paddr); }    /* Memory regions. */  const char *io_memory_regions[] = {   [AIC] = "jz4780-aic",   [CPM] = "jz4780-cpm",   [DMA] = "jz4780-dma",   [GPIO] = "jz4780-gpio",   [I2C] = "jz4780-i2c",   [RTC] = "jz4780-rtc",   [SSI] = "jz4780-ssi", };    /* AIC definitions. */  void *aic_channels[] = {NULL, NULL};  const unsigned int num_aic_channels = 2;  l4_cap_idx_t aic_irqs[] = {L4_INVALID_CAP};    /* CPM definitions. */  struct clock_info clocks[] = {   {"ext",     Clock_external, "EXCLK"},   {"ext_512", Clock_external_div_512, "EXCLK/512"},   {"rtc_ext", Clock_rtc_external, "RTCLK"},   {"plla",    Clock_pll_A, "PLL A"},   {"plle",    Clock_pll_E, "PLL E"},   {"pllm",    Clock_pll_M, "PLL M"},   {"pllv",    Clock_pll_V, "PLL V"},   {"main",    Clock_main, "Main (SCLK_A)"},   {"cpu",     Clock_cpu, "CPU"},   {"l2c",     Clock_l2cache, "L2 cache"},   {"h2p",     Clock_hclock2_pclock, "AHB2/APB"},   {"ahb0",    Clock_hclock0, "AHB0"},   {"ahb2",    Clock_hclock2, "AHB2"},   {"apb",     Clock_pclock, "APB"},   {"dma",     Clock_dma, "DMA"},   {"hdmi",    Clock_lcd, "HDMI"},   {"lcd",     Clock_lcd, "LCD"},   {"lcd0",    Clock_lcd_pixel0, "LCD0 pixel"},   {"lcd1",    Clock_lcd_pixel1, "LCD1 pixel"},   {"msc",     Clock_msc, "MSC"},   {"msc0",    Clock_msc0, "MSC0"},   {"msc1",    Clock_msc1, "MSC1"},   {"msc2",    Clock_msc1, "MSC2"},   {"otg0",    Clock_otg0, "USB OTG0"},   {"otg1",    Clock_otg1, "USB OTG1"},   {"i2c0",    Clock_i2c0, "I2C0"},   {"i2c1",    Clock_i2c1, "I2C1"},   {"i2c2",    Clock_i2c2, "I2C2"},   {"i2c3",    Clock_i2c3, "I2C3"},   {"i2c4",    Clock_i2c4, "I2C4"},   {"i2s0",    Clock_i2s0, "I2S0"},   {"i2s1",    Clock_i2s1, "I2S1"},   {"pcm",     Clock_pcm, "PCM"},   {"rtc",     Clock_rtc, "RTC"},   {"ssi",     Clock_ssi, "SSI"},   {"ssi0",    Clock_ssi0, "SSI0"},   {"ssi1",    Clock_ssi1, "SSI1"},   {"uart0",   Clock_uart0, "UART0"},   {"uart1",   Clock_uart1, "UART1"},   {"uart2",   Clock_uart2, "UART2"},   {"uart3",   Clock_uart3, "UART3"},   {"uart4",   Clock_uart4, "UART4"},   {"usbphy",  Clock_usb_phy, "USB PHY"},   {NULL,      Clock_none, NULL}, };    /* DMA definitions. */  void *dma_channels[32] = {NULL};  const unsigned int num_dma_channels = 32;  struct dma_region dma_regions[8];  const unsigned int num_dma_regions = 8;  l4_cap_idx_t dma_irq = L4_INVALID_CAP;    /* GPIO definitions. */  struct gpio_port gpio_ports[] = {   {0x3fff00ff, 0x00000000},   {0xfff0f3fc, 0x000f0c03},   {0x0fffffff, 0x00000000},   {0xffff4fff, 0x0000b000},   {0xf0fff37c, 0x00000483},   {0x7fa7f00f, 0x00580ff0}, };  const unsigned int num_gpio_ports = 6;  const char gpio_port_labels[] = "ABCDEF";    /* I2C definitions. */  void *i2c_channels[] = {NULL, NULL, NULL, NULL, NULL};  const unsigned int num_i2c_channels = 5;  l4_cap_idx_t i2c_irqs[] = {L4_INVALID_CAP, L4_INVALID_CAP};    /* SPI definitions. */  void *spi_channels[] = {NULL, NULL};  const unsigned int num_spi_channels = 2;