103 static bool mipi_dbi_command_is_read(struct mipi_dbi *dbi, u8 cmd)  in mipi_dbi_command_is_read()  argument
107 	if (!dbi->read_commands)  in mipi_dbi_command_is_read()
111 		if (!dbi->read_commands[i])  in mipi_dbi_command_is_read()
113 		if (cmd == dbi->read_commands[i])  in mipi_dbi_command_is_read()
131 int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val)  in mipi_dbi_command_read()  argument
133 	if (!dbi->read_commands)  in mipi_dbi_command_read()
136 	if (!mipi_dbi_command_is_read(dbi, cmd))  in mipi_dbi_command_read()
139 	return mipi_dbi_command_buf(dbi, cmd, val, 1);  in mipi_dbi_command_read()
153 int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len)  in mipi_dbi_command_buf()  argument
163 	mutex_lock(&dbi->cmdlock);  in mipi_dbi_command_buf()
164 	ret = dbi->command(dbi, cmdbuf, data, len);  in mipi_dbi_command_buf()
165 	mutex_unlock(&dbi->cmdlock);  in mipi_dbi_command_buf()
174 int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,  in mipi_dbi_command_stackbuf()  argument
184 	ret = mipi_dbi_command_buf(dbi, cmd, buf, len);  in mipi_dbi_command_stackbuf()
247 	struct mipi_dbi *dbi = &dbidev->dbi;  in mipi_dbi_set_window_address()  local
254 	mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, (xs >> 8) & 0xff,  in mipi_dbi_set_window_address()
256 	mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, (ys >> 8) & 0xff,  in mipi_dbi_set_window_address()
267 	struct mipi_dbi *dbi = &dbidev->dbi;  in mipi_dbi_fb_dirty()  local
268 	bool swap = dbi->swap_bytes;  in mipi_dbi_fb_dirty()
287 	if (!dbi->dc || !full || swap ||  in mipi_dbi_fb_dirty()
300 	ret = mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START, tr,  in mipi_dbi_fb_dirty()
393 	struct mipi_dbi *dbi = &dbidev->dbi;  in mipi_dbi_blank()  local
403 	mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START,  in mipi_dbi_blank()
516 	if (!dbidev->dbi.command)  in mipi_dbi_dev_init_with_formats()
597 void mipi_dbi_hw_reset(struct mipi_dbi *dbi)  in mipi_dbi_hw_reset()  argument
599 	if (!dbi->reset)  in mipi_dbi_hw_reset()
602 	gpiod_set_value_cansleep(dbi->reset, 0);  in mipi_dbi_hw_reset()
604 	gpiod_set_value_cansleep(dbi->reset, 1);  in mipi_dbi_hw_reset()
621 bool mipi_dbi_display_is_on(struct mipi_dbi *dbi)  in mipi_dbi_display_is_on()  argument
625 	if (mipi_dbi_command_read(dbi, MIPI_DCS_GET_POWER_MODE, &val))  in mipi_dbi_display_is_on()
644 	struct mipi_dbi *dbi = &dbidev->dbi;  in mipi_dbi_poweron_reset_conditional()  local
655 	if (cond && mipi_dbi_display_is_on(dbi))  in mipi_dbi_poweron_reset_conditional()
658 	mipi_dbi_hw_reset(dbi);  in mipi_dbi_poweron_reset_conditional()
659 	ret = mipi_dbi_command(dbi, MIPI_DCS_SOFT_RESET);  in mipi_dbi_poweron_reset_conditional()
672 	if (dbi->reset)  in mipi_dbi_poweron_reset_conditional()
761 static int mipi_dbi_spi1e_transfer(struct mipi_dbi *dbi, int dc,  in mipi_dbi_spi1e_transfer()  argument
766 	size_t chunk, max_chunk = dbi->tx_buf9_len;  in mipi_dbi_spi1e_transfer()
767 	struct spi_device *spi = dbi->spi;  in mipi_dbi_spi1e_transfer()
769 		.tx_buf = dbi->tx_buf9,  in mipi_dbi_spi1e_transfer()
789 		dst = dbi->tx_buf9;  in mipi_dbi_spi1e_transfer()
809 		dst = dbi->tx_buf9;  in mipi_dbi_spi1e_transfer()
879 static int mipi_dbi_spi1_transfer(struct mipi_dbi *dbi, int dc,  in mipi_dbi_spi1_transfer()  argument
883 	struct spi_device *spi = dbi->spi;  in mipi_dbi_spi1_transfer()
895 		return mipi_dbi_spi1e_transfer(dbi, dc, buf, len, bpw);  in mipi_dbi_spi1_transfer()
898 	max_chunk = dbi->tx_buf9_len;  in mipi_dbi_spi1_transfer()
899 	dst16 = dbi->tx_buf9;  in mipi_dbi_spi1_transfer()
942 static int mipi_dbi_typec1_command_read(struct mipi_dbi *dbi, u8 *cmd,  in mipi_dbi_typec1_command_read()  argument
945 	struct spi_device *spi = dbi->spi;  in mipi_dbi_typec1_command_read()
952 			.tx_buf = dbi->tx_buf9,  in mipi_dbi_typec1_command_read()
983 	dst16 = dbi->tx_buf9;  in mipi_dbi_typec1_command_read()
995 static int mipi_dbi_typec1_command(struct mipi_dbi *dbi, u8 *cmd,  in mipi_dbi_typec1_command()  argument
1001 	if (mipi_dbi_command_is_read(dbi, *cmd))  in mipi_dbi_typec1_command()
1002 		return mipi_dbi_typec1_command_read(dbi, cmd, parameters, num);  in mipi_dbi_typec1_command()
1006 	ret = mipi_dbi_spi1_transfer(dbi, 0, cmd, 1, 8);  in mipi_dbi_typec1_command()
1010 	return mipi_dbi_spi1_transfer(dbi, 1, parameters, num, bpw);  in mipi_dbi_typec1_command()
1015 static int mipi_dbi_typec3_command_read(struct mipi_dbi *dbi, u8 *cmd,  in mipi_dbi_typec3_command_read()  argument
1018 	struct spi_device *spi = dbi->spi;  in mipi_dbi_typec3_command_read()
1055 	gpiod_set_value_cansleep(dbi->dc, 0);  in mipi_dbi_typec3_command_read()
1079 static int mipi_dbi_typec3_command(struct mipi_dbi *dbi, u8 *cmd,  in mipi_dbi_typec3_command()  argument
1082 	struct spi_device *spi = dbi->spi;  in mipi_dbi_typec3_command()
1087 	if (mipi_dbi_command_is_read(dbi, *cmd))  in mipi_dbi_typec3_command()
1088 		return mipi_dbi_typec3_command_read(dbi, cmd, par, num);  in mipi_dbi_typec3_command()
1092 	gpiod_set_value_cansleep(dbi->dc, 0);  in mipi_dbi_typec3_command()
1098 	if (*cmd == MIPI_DCS_WRITE_MEMORY_START && !dbi->swap_bytes)  in mipi_dbi_typec3_command()
1101 	gpiod_set_value_cansleep(dbi->dc, 1);  in mipi_dbi_typec3_command()
1129 int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi,  in mipi_dbi_spi_init()  argument
1153 	dbi->spi = spi;  in mipi_dbi_spi_init()
1154 	dbi->read_commands = mipi_dbi_dcs_read_commands;  in mipi_dbi_spi_init()
1157 		dbi->command = mipi_dbi_typec3_command;  in mipi_dbi_spi_init()
1158 		dbi->dc = dc;  in mipi_dbi_spi_init()
1160 			dbi->swap_bytes = true;  in mipi_dbi_spi_init()
1162 		dbi->command = mipi_dbi_typec1_command;  in mipi_dbi_spi_init()
1163 		dbi->tx_buf9_len = SZ_16K;  in mipi_dbi_spi_init()
1164 		dbi->tx_buf9 = devm_kmalloc(dev, dbi->tx_buf9_len, GFP_KERNEL);  in mipi_dbi_spi_init()
1165 		if (!dbi->tx_buf9)  in mipi_dbi_spi_init()
1169 	mutex_init(&dbi->cmdlock);  in mipi_dbi_spi_init()
1282 	ret = mipi_dbi_command_buf(&dbidev->dbi, cmd, parameters, i);  in mipi_dbi_debugfs_command_write()
1295 	struct mipi_dbi *dbi = &dbidev->dbi;  in mipi_dbi_debugfs_command_show()  local
1304 		if (!mipi_dbi_command_is_read(dbi, cmd))  in mipi_dbi_debugfs_command_show()
1324 		ret = mipi_dbi_command_buf(dbi, cmd, val, len);  in mipi_dbi_debugfs_command_show()
1367 	if (dbidev->dbi.read_commands)  in mipi_dbi_debugfs_init()