Lines Matching refs:dbi
104 static bool mipi_dbi_command_is_read(struct mipi_dbi *dbi, u8 cmd) in mipi_dbi_command_is_read() argument
108 if (!dbi->read_commands) in mipi_dbi_command_is_read()
112 if (!dbi->read_commands[i]) in mipi_dbi_command_is_read()
114 if (cmd == dbi->read_commands[i]) in mipi_dbi_command_is_read()
132 int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val) in mipi_dbi_command_read() argument
134 if (!dbi->read_commands) in mipi_dbi_command_read()
137 if (!mipi_dbi_command_is_read(dbi, cmd)) in mipi_dbi_command_read()
140 return mipi_dbi_command_buf(dbi, cmd, val, 1); in mipi_dbi_command_read()
154 int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) in mipi_dbi_command_buf() argument
164 mutex_lock(&dbi->cmdlock); in mipi_dbi_command_buf()
165 ret = dbi->command(dbi, cmdbuf, data, len); in mipi_dbi_command_buf()
166 mutex_unlock(&dbi->cmdlock); in mipi_dbi_command_buf()
175 int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data, in mipi_dbi_command_stackbuf() argument
185 ret = mipi_dbi_command_buf(dbi, cmd, buf, len); in mipi_dbi_command_stackbuf()
241 struct mipi_dbi *dbi = &dbidev->dbi; in mipi_dbi_set_window_address() local
248 mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, (xs >> 8) & 0xff, in mipi_dbi_set_window_address()
250 mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, (ys >> 8) & 0xff, in mipi_dbi_set_window_address()
260 struct mipi_dbi *dbi = &dbidev->dbi; in mipi_dbi_fb_dirty() local
261 bool swap = dbi->swap_bytes; in mipi_dbi_fb_dirty()
270 if (!dbi->dc || !full || swap || in mipi_dbi_fb_dirty()
283 ret = mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START, tr, in mipi_dbi_fb_dirty()
383 struct mipi_dbi *dbi = &dbidev->dbi; in mipi_dbi_blank() local
393 mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START, in mipi_dbi_blank()
592 if (!dbidev->dbi.command) in mipi_dbi_dev_init_with_formats()
673 void mipi_dbi_hw_reset(struct mipi_dbi *dbi) in mipi_dbi_hw_reset() argument
675 if (!dbi->reset) in mipi_dbi_hw_reset()
678 gpiod_set_value_cansleep(dbi->reset, 0); in mipi_dbi_hw_reset()
680 gpiod_set_value_cansleep(dbi->reset, 1); in mipi_dbi_hw_reset()
697 bool mipi_dbi_display_is_on(struct mipi_dbi *dbi) in mipi_dbi_display_is_on() argument
701 if (mipi_dbi_command_read(dbi, MIPI_DCS_GET_POWER_MODE, &val)) in mipi_dbi_display_is_on()
720 struct mipi_dbi *dbi = &dbidev->dbi; in mipi_dbi_poweron_reset_conditional() local
741 if (cond && mipi_dbi_display_is_on(dbi)) in mipi_dbi_poweron_reset_conditional()
744 mipi_dbi_hw_reset(dbi); in mipi_dbi_poweron_reset_conditional()
745 ret = mipi_dbi_command(dbi, MIPI_DCS_SOFT_RESET); in mipi_dbi_poweron_reset_conditional()
760 if (dbi->reset) in mipi_dbi_poweron_reset_conditional()
849 static int mipi_dbi_spi1e_transfer(struct mipi_dbi *dbi, int dc, in mipi_dbi_spi1e_transfer() argument
854 size_t chunk, max_chunk = dbi->tx_buf9_len; in mipi_dbi_spi1e_transfer()
855 struct spi_device *spi = dbi->spi; in mipi_dbi_spi1e_transfer()
857 .tx_buf = dbi->tx_buf9, in mipi_dbi_spi1e_transfer()
877 dst = dbi->tx_buf9; in mipi_dbi_spi1e_transfer()
897 dst = dbi->tx_buf9; in mipi_dbi_spi1e_transfer()
967 static int mipi_dbi_spi1_transfer(struct mipi_dbi *dbi, int dc, in mipi_dbi_spi1_transfer() argument
971 struct spi_device *spi = dbi->spi; in mipi_dbi_spi1_transfer()
983 return mipi_dbi_spi1e_transfer(dbi, dc, buf, len, bpw); in mipi_dbi_spi1_transfer()
986 max_chunk = dbi->tx_buf9_len; in mipi_dbi_spi1_transfer()
987 dst16 = dbi->tx_buf9; in mipi_dbi_spi1_transfer()
1030 static int mipi_dbi_typec1_command_read(struct mipi_dbi *dbi, u8 *cmd, in mipi_dbi_typec1_command_read() argument
1033 struct spi_device *spi = dbi->spi; in mipi_dbi_typec1_command_read()
1040 .tx_buf = dbi->tx_buf9, in mipi_dbi_typec1_command_read()
1071 dst16 = dbi->tx_buf9; in mipi_dbi_typec1_command_read()
1083 static int mipi_dbi_typec1_command(struct mipi_dbi *dbi, u8 *cmd, in mipi_dbi_typec1_command() argument
1089 if (mipi_dbi_command_is_read(dbi, *cmd)) in mipi_dbi_typec1_command()
1090 return mipi_dbi_typec1_command_read(dbi, cmd, parameters, num); in mipi_dbi_typec1_command()
1094 ret = mipi_dbi_spi1_transfer(dbi, 0, cmd, 1, 8); in mipi_dbi_typec1_command()
1098 return mipi_dbi_spi1_transfer(dbi, 1, parameters, num, bpw); in mipi_dbi_typec1_command()
1103 static int mipi_dbi_typec3_command_read(struct mipi_dbi *dbi, u8 *cmd, in mipi_dbi_typec3_command_read() argument
1106 struct spi_device *spi = dbi->spi; in mipi_dbi_typec3_command_read()
1143 gpiod_set_value_cansleep(dbi->dc, 0); in mipi_dbi_typec3_command_read()
1167 static int mipi_dbi_typec3_command(struct mipi_dbi *dbi, u8 *cmd, in mipi_dbi_typec3_command() argument
1170 struct spi_device *spi = dbi->spi; in mipi_dbi_typec3_command()
1175 if (mipi_dbi_command_is_read(dbi, *cmd)) in mipi_dbi_typec3_command()
1176 return mipi_dbi_typec3_command_read(dbi, cmd, par, num); in mipi_dbi_typec3_command()
1180 gpiod_set_value_cansleep(dbi->dc, 0); in mipi_dbi_typec3_command()
1186 if (*cmd == MIPI_DCS_WRITE_MEMORY_START && !dbi->swap_bytes) in mipi_dbi_typec3_command()
1189 gpiod_set_value_cansleep(dbi->dc, 1); in mipi_dbi_typec3_command()
1217 int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi, in mipi_dbi_spi_init() argument
1241 dbi->spi = spi; in mipi_dbi_spi_init()
1242 dbi->read_commands = mipi_dbi_dcs_read_commands; in mipi_dbi_spi_init()
1245 dbi->command = mipi_dbi_typec3_command; in mipi_dbi_spi_init()
1246 dbi->dc = dc; in mipi_dbi_spi_init()
1248 dbi->swap_bytes = true; in mipi_dbi_spi_init()
1250 dbi->command = mipi_dbi_typec1_command; in mipi_dbi_spi_init()
1251 dbi->tx_buf9_len = SZ_16K; in mipi_dbi_spi_init()
1252 dbi->tx_buf9 = devm_kmalloc(dev, dbi->tx_buf9_len, GFP_KERNEL); in mipi_dbi_spi_init()
1253 if (!dbi->tx_buf9) in mipi_dbi_spi_init()
1257 mutex_init(&dbi->cmdlock); in mipi_dbi_spi_init()
1370 ret = mipi_dbi_command_buf(&dbidev->dbi, cmd, parameters, i); in mipi_dbi_debugfs_command_write()
1383 struct mipi_dbi *dbi = &dbidev->dbi; in mipi_dbi_debugfs_command_show() local
1392 if (!mipi_dbi_command_is_read(dbi, cmd)) in mipi_dbi_debugfs_command_show()
1412 ret = mipi_dbi_command_buf(dbi, cmd, val, len); in mipi_dbi_debugfs_command_show()
1455 if (dbidev->dbi.read_commands) in mipi_dbi_debugfs_init()