+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
/*
*/
#include <common.h>
+#include <console.h>
#include <dm.h>
#include <fdtdec.h>
#include <lcd.h>
#include <os.h>
#include <serial.h>
+#include <video.h>
#include <linux/compiler.h>
#include <asm/state.h>
DECLARE_GLOBAL_DATA_PTR;
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+
/*
*
* serial_buf: A buffer that holds keyboard characters for the
- * Sandbox U-boot.
+ * Sandbox U-Boot.
*
* invariants:
* serial_buf_write == serial_buf_read -> empty buffer
static unsigned int serial_buf_write;
static unsigned int serial_buf_read;
+struct sandbox_serial_platdata {
+ int colour; /* Text colour to use for output, -1 for none */
+};
+
+struct sandbox_serial_priv {
+ bool start_of_line;
+};
+
+/**
+ * output_ansi_colour() - Output an ANSI colour code
+ *
+ * @colour: Colour to output (0-7)
+ */
+static void output_ansi_colour(int colour)
+{
+ char ansi_code[] = "\x1b[1;3Xm";
+
+ ansi_code[5] = '0' + colour;
+ os_write(1, ansi_code, sizeof(ansi_code) - 1);
+}
+
+static void output_ansi_reset(void)
+{
+ os_write(1, "\x1b[0m", 4);
+}
+
static int sandbox_serial_probe(struct udevice *dev)
{
struct sandbox_state *state = state_get_current();
+ struct sandbox_serial_priv *priv = dev_get_priv(dev);
if (state->term_raw != STATE_TERM_COOKED)
os_tty_raw(0, state->term_raw == STATE_TERM_RAW_WITH_SIGS);
+ priv->start_of_line = 0;
+
+ if (state->term_raw != STATE_TERM_RAW)
+ disable_ctrlc(1);
+
+ return 0;
+}
+
+static int sandbox_serial_remove(struct udevice *dev)
+{
+ struct sandbox_serial_platdata *plat = dev->platdata;
+
+ if (plat->colour != -1)
+ output_ansi_reset();
return 0;
}
static int sandbox_serial_putc(struct udevice *dev, const char ch)
{
+ struct sandbox_serial_priv *priv = dev_get_priv(dev);
+ struct sandbox_serial_platdata *plat = dev->platdata;
+
+ if (priv->start_of_line && plat->colour != -1) {
+ priv->start_of_line = false;
+ output_ansi_colour(plat->colour);
+ }
+
os_write(1, &ch, 1);
+ if (ch == '\n')
+ priv->start_of_line = true;
return 0;
}
return 0;
os_usleep(100);
-#ifdef CONFIG_LCD
- lcd_sync();
+#ifndef CONFIG_SPL_BUILD
+ video_sync_all();
#endif
if (next_index == serial_buf_read)
return 1; /* buffer full */
- count = os_read_no_block(0, &serial_buf[serial_buf_write], 1);
+ count = os_read(0, &serial_buf[serial_buf_write], 1);
if (count == 1)
serial_buf_write = next_index;
serial_buf_read = increment_buffer_index(serial_buf_read);
return result;
}
+#endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
+
+#ifdef CONFIG_DEBUG_UART_SANDBOX
+
+#include <debug_uart.h>
+
+static inline void _debug_uart_init(void)
+{
+}
+
+static inline void _debug_uart_putc(int ch)
+{
+ os_putc(ch);
+}
+
+DEBUG_UART_FUNCS
+
+#endif /* CONFIG_DEBUG_UART_SANDBOX */
+
+static int sandbox_serial_getconfig(struct udevice *dev, uint *serial_config)
+{
+ uint config = SERIAL_DEFAULT_CONFIG;
+
+ if (!serial_config)
+ return -EINVAL;
+
+ *serial_config = config;
+
+ return 0;
+}
+
+static int sandbox_serial_setconfig(struct udevice *dev, uint serial_config)
+{
+ u8 parity = SERIAL_GET_PARITY(serial_config);
+ u8 bits = SERIAL_GET_BITS(serial_config);
+ u8 stop = SERIAL_GET_STOP(serial_config);
+
+ if (bits != SERIAL_8_BITS || stop != SERIAL_ONE_STOP ||
+ parity != SERIAL_PAR_NONE)
+ return -ENOTSUPP; /* not supported in driver*/
+
+ return 0;
+}
+
+static int sandbox_serial_getinfo(struct udevice *dev,
+ struct serial_device_info *serial_info)
+{
+ struct serial_device_info info = {
+ .type = SERIAL_CHIP_UNKNOWN,
+ .addr_space = SERIAL_ADDRESS_SPACE_IO,
+ .addr = SERIAL_DEFAULT_ADDRESS,
+ .reg_width = 1,
+ .reg_offset = 0,
+ .reg_shift = 0,
+ };
+
+ if (!serial_info)
+ return -EINVAL;
+
+ *serial_info = info;
+
+ return 0;
+}
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static const char * const ansi_colour[] = {
+ "black", "red", "green", "yellow", "blue", "megenta", "cyan",
+ "white",
+};
+
+static int sandbox_serial_ofdata_to_platdata(struct udevice *dev)
+{
+ struct sandbox_serial_platdata *plat = dev->platdata;
+ const char *colour;
+ int i;
+
+ plat->colour = -1;
+ colour = fdt_getprop(gd->fdt_blob, dev_of_offset(dev),
+ "sandbox,text-colour", NULL);
+ if (colour) {
+ for (i = 0; i < ARRAY_SIZE(ansi_colour); i++) {
+ if (!strcmp(colour, ansi_colour[i])) {
+ plat->colour = i;
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
static const struct dm_serial_ops sandbox_serial_ops = {
.putc = sandbox_serial_putc,
.pending = sandbox_serial_pending,
.getc = sandbox_serial_getc,
+ .getconfig = sandbox_serial_getconfig,
+ .setconfig = sandbox_serial_setconfig,
+ .getinfo = sandbox_serial_getinfo,
};
static const struct udevice_id sandbox_serial_ids[] = {
.name = "serial_sandbox",
.id = UCLASS_SERIAL,
.of_match = sandbox_serial_ids,
+ .ofdata_to_platdata = sandbox_serial_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct sandbox_serial_platdata),
+ .priv_auto_alloc_size = sizeof(struct sandbox_serial_priv),
.probe = sandbox_serial_probe,
+ .remove = sandbox_serial_remove,
.ops = &sandbox_serial_ops,
.flags = DM_FLAG_PRE_RELOC,
};
+static const struct sandbox_serial_platdata platdata_non_fdt = {
+ .colour = -1,
+};
+
U_BOOT_DEVICE(serial_sandbox_non_fdt) = {
.name = "serial_sandbox",
+ .platdata = &platdata_non_fdt,
};
+#endif /* CONFIG_IS_ENABLED(OF_CONTROL) */