6  * Some code copied from mipi-dbi.c
25 #include <drm/tinydrm/mipi-dbi.h>
68 static inline int ili9225_command(struct mipi_dbi *mipi, u8 cmd, u16 data)  in ili9225_command()  argument
72 	return mipi_dbi_command_buf(mipi, cmd, par, 2);  in ili9225_command()
82 	struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);  in ili9225_fb_dirty()  local
83 	bool swap = mipi->swap_bytes;  in ili9225_fb_dirty()
91 	if (!mipi->enabled)  in ili9225_fb_dirty()
100 	if (!mipi->dc || !full || swap ||  in ili9225_fb_dirty()
102 		tr = mipi->tx_buf;  in ili9225_fb_dirty()
103 		ret = mipi_dbi_buf_copy(mipi->tx_buf, fb, &clip, swap);  in ili9225_fb_dirty()
110 	switch (mipi->rotation) {  in ili9225_fb_dirty()
145 	ili9225_command(mipi, ILI9225_HORIZ_WINDOW_ADDR_1, x2);  in ili9225_fb_dirty()
146 	ili9225_command(mipi, ILI9225_HORIZ_WINDOW_ADDR_2, x1);  in ili9225_fb_dirty()
147 	ili9225_command(mipi, ILI9225_VERT_WINDOW_ADDR_1, y2);  in ili9225_fb_dirty()
148 	ili9225_command(mipi, ILI9225_VERT_WINDOW_ADDR_2, y1);  in ili9225_fb_dirty()
150 	ili9225_command(mipi, ILI9225_RAM_ADDRESS_SET_1, x_start);  in ili9225_fb_dirty()
151 	ili9225_command(mipi, ILI9225_RAM_ADDRESS_SET_2, y_start);  in ili9225_fb_dirty()
153 	ret = mipi_dbi_command_buf(mipi, ILI9225_WRITE_DATA_TO_GRAM, tr,  in ili9225_fb_dirty()
170 	struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);  in ili9225_pipe_enable()  local
177 	mipi_dbi_hw_reset(mipi);  in ili9225_pipe_enable()
185 	ret = ili9225_command(mipi, ILI9225_POWER_CONTROL_1, 0x0000);  in ili9225_pipe_enable()
190 	ili9225_command(mipi, ILI9225_POWER_CONTROL_2, 0x0000);  in ili9225_pipe_enable()
191 	ili9225_command(mipi, ILI9225_POWER_CONTROL_3, 0x0000);  in ili9225_pipe_enable()
192 	ili9225_command(mipi, ILI9225_POWER_CONTROL_4, 0x0000);  in ili9225_pipe_enable()
193 	ili9225_command(mipi, ILI9225_POWER_CONTROL_5, 0x0000);  in ili9225_pipe_enable()
197 	ili9225_command(mipi, ILI9225_POWER_CONTROL_2, 0x0018);  in ili9225_pipe_enable()
198 	ili9225_command(mipi, ILI9225_POWER_CONTROL_3, 0x6121);  in ili9225_pipe_enable()
199 	ili9225_command(mipi, ILI9225_POWER_CONTROL_4, 0x006f);  in ili9225_pipe_enable()
200 	ili9225_command(mipi, ILI9225_POWER_CONTROL_5, 0x495f);  in ili9225_pipe_enable()
201 	ili9225_command(mipi, ILI9225_POWER_CONTROL_1, 0x0800);  in ili9225_pipe_enable()
205 	ili9225_command(mipi, ILI9225_POWER_CONTROL_2, 0x103b);  in ili9225_pipe_enable()
209 	switch (mipi->rotation) {  in ili9225_pipe_enable()
223 	ili9225_command(mipi, ILI9225_DRIVER_OUTPUT_CONTROL, 0x011c);  in ili9225_pipe_enable()
224 	ili9225_command(mipi, ILI9225_LCD_AC_DRIVING_CONTROL, 0x0100);  in ili9225_pipe_enable()
225 	ili9225_command(mipi, ILI9225_ENTRY_MODE, 0x1000 | am_id);  in ili9225_pipe_enable()
226 	ili9225_command(mipi, ILI9225_DISPLAY_CONTROL_1, 0x0000);  in ili9225_pipe_enable()
227 	ili9225_command(mipi, ILI9225_BLANK_PERIOD_CONTROL_1, 0x0808);  in ili9225_pipe_enable()
228 	ili9225_command(mipi, ILI9225_FRAME_CYCLE_CONTROL, 0x1100);  in ili9225_pipe_enable()
229 	ili9225_command(mipi, ILI9225_INTERFACE_CONTROL, 0x0000);  in ili9225_pipe_enable()
230 	ili9225_command(mipi, ILI9225_OSCILLATION_CONTROL, 0x0d01);  in ili9225_pipe_enable()
231 	ili9225_command(mipi, ILI9225_VCI_RECYCLING, 0x0020);  in ili9225_pipe_enable()
232 	ili9225_command(mipi, ILI9225_RAM_ADDRESS_SET_1, 0x0000);  in ili9225_pipe_enable()
233 	ili9225_command(mipi, ILI9225_RAM_ADDRESS_SET_2, 0x0000);  in ili9225_pipe_enable()
235 	ili9225_command(mipi, ILI9225_GATE_SCAN_CONTROL, 0x0000);  in ili9225_pipe_enable()
236 	ili9225_command(mipi, ILI9225_VERTICAL_SCROLL_1, 0x00db);  in ili9225_pipe_enable()
237 	ili9225_command(mipi, ILI9225_VERTICAL_SCROLL_2, 0x0000);  in ili9225_pipe_enable()
238 	ili9225_command(mipi, ILI9225_VERTICAL_SCROLL_3, 0x0000);  in ili9225_pipe_enable()
239 	ili9225_command(mipi, ILI9225_PARTIAL_DRIVING_POS_1, 0x00db);  in ili9225_pipe_enable()
240 	ili9225_command(mipi, ILI9225_PARTIAL_DRIVING_POS_2, 0x0000);  in ili9225_pipe_enable()
242 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_1, 0x0000);  in ili9225_pipe_enable()
243 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_2, 0x0808);  in ili9225_pipe_enable()
244 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_3, 0x080a);  in ili9225_pipe_enable()
245 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_4, 0x000a);  in ili9225_pipe_enable()
246 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_5, 0x0a08);  in ili9225_pipe_enable()
247 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_6, 0x0808);  in ili9225_pipe_enable()
248 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_7, 0x0000);  in ili9225_pipe_enable()
249 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_8, 0x0a00);  in ili9225_pipe_enable()
250 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_9, 0x0710);  in ili9225_pipe_enable()
251 	ili9225_command(mipi, ILI9225_GAMMA_CONTROL_10, 0x0710);  in ili9225_pipe_enable()
253 	ili9225_command(mipi, ILI9225_DISPLAY_CONTROL_1, 0x0012);  in ili9225_pipe_enable()
257 	ili9225_command(mipi, ILI9225_DISPLAY_CONTROL_1, 0x1017);  in ili9225_pipe_enable()
259 	mipi_dbi_enable_flush(mipi, crtc_state, plane_state);  in ili9225_pipe_enable()
265 	struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev);  in ili9225_pipe_disable()  local
269 	if (!mipi->enabled)  in ili9225_pipe_disable()
272 	ili9225_command(mipi, ILI9225_DISPLAY_CONTROL_1, 0x0000);  in ili9225_pipe_disable()
274 	ili9225_command(mipi, ILI9225_POWER_CONTROL_2, 0x0007);  in ili9225_pipe_disable()
276 	ili9225_command(mipi, ILI9225_POWER_CONTROL_1, 0x0a02);  in ili9225_pipe_disable()
278 	mipi->enabled = false;  in ili9225_pipe_disable()
281 static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 *cmd, u8 *par,  in ili9225_dbi_command()  argument
284 	struct spi_device *spi = mipi->spi;  in ili9225_dbi_command()
289 	gpiod_set_value_cansleep(mipi->dc, 0);  in ili9225_dbi_command()
295 	if (*cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes)  in ili9225_dbi_command()
298 	gpiod_set_value_cansleep(mipi->dc, 1);  in ili9225_dbi_command()
309 static int ili9225_init(struct device *dev, struct mipi_dbi *mipi,  in ili9225_init()  argument
316 	struct tinydrm_device *tdev = &mipi->tinydrm;  in ili9225_init()
319 	if (!mipi->command)  in ili9225_init()
322 	mutex_init(&mipi->cmdlock);  in ili9225_init()
324 	mipi->tx_buf = devm_kmalloc(dev, bufsize, GFP_KERNEL);  in ili9225_init()
325 	if (!mipi->tx_buf)  in ili9225_init()
343 	mipi->rotation = rotation;  in ili9225_init()
393 	struct mipi_dbi *mipi;  in ili9225_probe()  local
398 	mipi = devm_kzalloc(dev, sizeof(*mipi), GFP_KERNEL);  in ili9225_probe()
399 	if (!mipi)  in ili9225_probe()
402 	mipi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in ili9225_probe()
403 	if (IS_ERR(mipi->reset)) {  in ili9225_probe()
405 		return PTR_ERR(mipi->reset);  in ili9225_probe()
416 	ret = mipi_dbi_spi_init(spi, mipi, rs);  in ili9225_probe()
421 	mipi->command = ili9225_dbi_command;  in ili9225_probe()
423 	ret = ili9225_init(&spi->dev, mipi, &ili9225_pipe_funcs,  in ili9225_probe()
428 	spi_set_drvdata(spi, mipi);  in ili9225_probe()
430 	return devm_tinydrm_register(&mipi->tinydrm);  in ili9225_probe()
435 	struct mipi_dbi *mipi = spi_get_drvdata(spi);  in ili9225_shutdown()  local
437 	tinydrm_shutdown(&mipi->tinydrm);  in ili9225_shutdown()