26 #define TPG110_TEST			0x00
27 #define TPG110_CHIPID			0x01
28 #define TPG110_CTRL1			0x02
29 #define TPG110_RES_MASK			GENMASK(2, 0)
30 #define TPG110_RES_800X480		0x07
31 #define TPG110_RES_640X480		0x06
32 #define TPG110_RES_480X272		0x05
33 #define TPG110_RES_480X640		0x04
34 #define TPG110_RES_480X272_D		0x01 /* Dual scan: outputs 800x480 */
35 #define TPG110_RES_400X240_D		0x00 /* Dual scan: outputs 800x480 */
36 #define TPG110_CTRL2			0x03
37 #define TPG110_CTRL2_PM			BIT(0)
98  * take 400x240 or 480x272 in and display as 800x480 are not listed.
102 		.name = "800x480 RGB",
118 		.name = "640x480 RGB",
198 	memset(t, 0, sizeof(t));  in tpg110_readwrite_reg()
202 		 * Clear address bit 0, 1 when writing, just to be sure  in tpg110_readwrite_reg()
204 		 * 0 is just surplus to pad it up to 8 bits.  in tpg110_readwrite_reg()
206 		buf[0] = address << 2;  in tpg110_readwrite_reg()
207 		buf[0] &= ~0x03;  in tpg110_readwrite_reg()
210 		t[0].bits_per_word = 8;  in tpg110_readwrite_reg()
211 		t[0].tx_buf = &buf[0];  in tpg110_readwrite_reg()
212 		t[0].len = 1;  in tpg110_readwrite_reg()
218 		/* Set address bit 0 to 1 to read */  in tpg110_readwrite_reg()
219 		buf[0] = address << 1;  in tpg110_readwrite_reg()
220 		buf[0] |= 0x01;  in tpg110_readwrite_reg()
227 		t[0].bits_per_word = 7;  in tpg110_readwrite_reg()
228 		t[0].tx_buf = &buf[0];  in tpg110_readwrite_reg()
229 		t[0].len = 1;  in tpg110_readwrite_reg()
236 	spi_message_add_tail(&t[0], &m);  in tpg110_readwrite_reg()
244 		return 0;  in tpg110_readwrite_reg()
251 	return tpg110_readwrite_reg(tpg, false, address, 0);  in tpg110_read_reg()
265 	gpiod_set_value_cansleep(tpg->grestb, 0);  in tpg110_startup()
270 	tpg110_write_reg(tpg, TPG110_TEST, 0x55);  in tpg110_startup()
272 	if (val != 0x55) {  in tpg110_startup()
279 		 val >> 4, val & 0x0f);  in tpg110_startup()
286 		dev_info(tpg->dev, "IN 400x240 RGB -> OUT 800x480 RGB (dual scan)\n");  in tpg110_startup()
289 		dev_info(tpg->dev, "IN 480x272 RGB -> OUT 800x480 RGB (dual scan)\n");  in tpg110_startup()
298 		dev_info(tpg->dev, "640x480 RGB\n");  in tpg110_startup()
301 		dev_info(tpg->dev, "800x480 RGB\n");  in tpg110_startup()
304 		dev_err(tpg->dev, "ILLEGAL RESOLUTION 0x%02x\n", val);  in tpg110_startup()
312 	for (i = 0; i < ARRAY_SIZE(tpg110_modes); i++) {  in tpg110_startup()
333 	return 0;  in tpg110_startup()
346 	return 0;  in tpg110_disable()
359 	return 0;  in tpg110_enable()
431 	if (ret < 0) {  in tpg110_probe()
452 	return 0;  in tpg110_probe()