drm/tiny/ili9225.c

7  * Some code copied from mipi-dbi.c
73 static inline int ili9225_command(struct mipi_dbi *dbi, u8 cmd, u16 data)
77 	return mipi_dbi_command_buf(dbi, cmd, par, 2);
86 	struct mipi_dbi *dbi = &dbidev->dbi;
87 	bool swap = dbi->swap_bytes;
98 	if (!dbi->dc || !full || swap ||
143 	ili9225_command(dbi, ILI9225_HORIZ_WINDOW_ADDR_1, x2);
144 	ili9225_command(dbi, ILI9225_HORIZ_WINDOW_ADDR_2, x1);
145 	ili9225_command(dbi, ILI9225_VERT_WINDOW_ADDR_1, y2);
146 	ili9225_command(dbi, ILI9225_VERT_WINDOW_ADDR_2, y1);
148 	ili9225_command(dbi, ILI9225_RAM_ADDRESS_SET_1, x_start);
149 	ili9225_command(dbi, ILI9225_RAM_ADDRESS_SET_2, y_start);
151 	ret = mipi_dbi_command_buf(dbi, ILI9225_WRITE_DATA_TO_GRAM, tr,
188 	struct mipi_dbi *dbi = &dbidev->dbi;
203 	mipi_dbi_hw_reset(dbi);
211 	ret = ili9225_command(dbi, ILI9225_POWER_CONTROL_1, 0x0000);
216 	ili9225_command(dbi, ILI9225_POWER_CONTROL_2, 0x0000);
217 	ili9225_command(dbi, ILI9225_POWER_CONTROL_3, 0x0000);
218 	ili9225_command(dbi, ILI9225_POWER_CONTROL_4, 0x0000);
219 	ili9225_command(dbi, ILI9225_POWER_CONTROL_5, 0x0000);
223 	ili9225_command(dbi, ILI9225_POWER_CONTROL_2, 0x0018);
224 	ili9225_command(dbi, ILI9225_POWER_CONTROL_3, 0x6121);
225 	ili9225_command(dbi, ILI9225_POWER_CONTROL_4, 0x006f);
226 	ili9225_command(dbi, ILI9225_POWER_CONTROL_5, 0x495f);
227 	ili9225_command(dbi, ILI9225_POWER_CONTROL_1, 0x0800);
231 	ili9225_command(dbi, ILI9225_POWER_CONTROL_2, 0x103b);
249 	ili9225_command(dbi, ILI9225_DRIVER_OUTPUT_CONTROL, 0x011c);
250 	ili9225_command(dbi, ILI9225_LCD_AC_DRIVING_CONTROL, 0x0100);
251 	ili9225_command(dbi, ILI9225_ENTRY_MODE, 0x1000 | am_id);
252 	ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x0000);
253 	ili9225_command(dbi, ILI9225_BLANK_PERIOD_CONTROL_1, 0x0808);
254 	ili9225_command(dbi, ILI9225_FRAME_CYCLE_CONTROL, 0x1100);
255 	ili9225_command(dbi, ILI9225_INTERFACE_CONTROL, 0x0000);
256 	ili9225_command(dbi, ILI9225_OSCILLATION_CONTROL, 0x0d01);
257 	ili9225_command(dbi, ILI9225_VCI_RECYCLING, 0x0020);
258 	ili9225_command(dbi, ILI9225_RAM_ADDRESS_SET_1, 0x0000);
259 	ili9225_command(dbi, ILI9225_RAM_ADDRESS_SET_2, 0x0000);
261 	ili9225_command(dbi, ILI9225_GATE_SCAN_CONTROL, 0x0000);
262 	ili9225_command(dbi, ILI9225_VERTICAL_SCROLL_1, 0x00db);
263 	ili9225_command(dbi, ILI9225_VERTICAL_SCROLL_2, 0x0000);
264 	ili9225_command(dbi, ILI9225_VERTICAL_SCROLL_3, 0x0000);
265 	ili9225_command(dbi, ILI9225_PARTIAL_DRIVING_POS_1, 0x00db);
266 	ili9225_command(dbi, ILI9225_PARTIAL_DRIVING_POS_2, 0x0000);
268 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_1, 0x0000);
269 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_2, 0x0808);
270 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_3, 0x080a);
271 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_4, 0x000a);
272 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_5, 0x0a08);
273 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_6, 0x0808);
274 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_7, 0x0000);
275 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_8, 0x0a00);
276 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_9, 0x0710);
277 	ili9225_command(dbi, ILI9225_GAMMA_CONTROL_10, 0x0710);
279 	ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x0012);
283 	ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x1017);
295 	struct mipi_dbi *dbi = &dbidev->dbi;
306 	ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x0000);
308 	ili9225_command(dbi, ILI9225_POWER_CONTROL_2, 0x0007);
310 	ili9225_command(dbi, ILI9225_POWER_CONTROL_1, 0x0a02);
313 static int ili9225_dbi_command(struct mipi_dbi *dbi, u8 *cmd, u8 *par,
316 	struct spi_device *spi = dbi->spi;
322 	gpiod_set_value_cansleep(dbi->dc, 0);
329 	if (*cmd == ILI9225_WRITE_DATA_TO_GRAM && !dbi->swap_bytes)
333 	gpiod_set_value_cansleep(dbi->dc, 1);
387 	struct mipi_dbi *dbi;
397 	dbi = &dbidev->dbi;
400 	dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
401 	if (IS_ERR(dbi->reset))
402 		return dev_err_probe(dev, PTR_ERR(dbi->reset), "Failed to get GPIO 'reset'\n");
410 	ret = mipi_dbi_spi_init(spi, dbi, rs);
415 	dbi->command = ili9225_dbi_command;