49 	struct i2c_client *client;  member
92 static int ssd1307fb_write_array(struct i2c_client *client,  in ssd1307fb_write_array()  argument
99 	ret = i2c_master_send(client, (u8 *)array, len);  in ssd1307fb_write_array()
101 		dev_err(&client->dev, "Couldn't send I2C command.\n");  in ssd1307fb_write_array()
108 static inline int ssd1307fb_write_cmd(struct i2c_client *client, u8 cmd)  in ssd1307fb_write_cmd()  argument
119 	ret = ssd1307fb_write_array(client, array, 1);  in ssd1307fb_write_cmd()
180 	ssd1307fb_write_array(par->client, array, par->width * par->height / 8);  in ssd1307fb_update_display()
261 	par->pwm = pwm_get(&par->client->dev, NULL);  in ssd1307fb_ssd1307_init()
263 		dev_err(&par->client->dev, "Could not get PWM from device tree!\n");  in ssd1307fb_ssd1307_init()
272 	dev_dbg(&par->client->dev, "Using PWM%d with a %dns period.\n",  in ssd1307fb_ssd1307_init()
276 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON);  in ssd1307fb_ssd1307_init()
281 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);  in ssd1307fb_ssd1307_init()
305 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST);  in ssd1307fb_ssd1306_init()
309 	ret = ssd1307fb_write_cmd(par->client, 0x7f);  in ssd1307fb_ssd1306_init()
314 	ret = ssd1307fb_write_cmd(par->client, 0xc8);  in ssd1307fb_ssd1306_init()
319 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON);  in ssd1307fb_ssd1306_init()
324 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_MULTIPLEX_RATIO);  in ssd1307fb_ssd1306_init()
328 	ret = ssd1307fb_write_cmd(par->client, par->height - 1);  in ssd1307fb_ssd1306_init()
333 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_DISPLAY_OFFSET);  in ssd1307fb_ssd1306_init()
337 	ret = ssd1307fb_write_cmd(par->client, 0x20);  in ssd1307fb_ssd1306_init()
342 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_CLOCK_FREQ);  in ssd1307fb_ssd1306_init()
346 	ret = ssd1307fb_write_cmd(par->client, 0xf0);  in ssd1307fb_ssd1306_init()
351 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PRECHARGE_PERIOD);  in ssd1307fb_ssd1306_init()
355 	ret = ssd1307fb_write_cmd(par->client, 0x22);  in ssd1307fb_ssd1306_init()
360 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COM_PINS_CONFIG);  in ssd1307fb_ssd1306_init()
364 	ret = ssd1307fb_write_cmd(par->client, 0x22);  in ssd1307fb_ssd1306_init()
369 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_VCOMH);  in ssd1307fb_ssd1306_init()
373 	ret = ssd1307fb_write_cmd(par->client, 0x49);  in ssd1307fb_ssd1306_init()
378 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CHARGE_PUMP);  in ssd1307fb_ssd1306_init()
382 	ret = ssd1307fb_write_cmd(par->client, 0x14);  in ssd1307fb_ssd1306_init()
387 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_ADDRESS_MODE);  in ssd1307fb_ssd1306_init()
391 	ret = ssd1307fb_write_cmd(par->client,  in ssd1307fb_ssd1306_init()
396 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COL_RANGE);  in ssd1307fb_ssd1306_init()
400 	ret = ssd1307fb_write_cmd(par->client, 0x0);  in ssd1307fb_ssd1306_init()
404 	ret = ssd1307fb_write_cmd(par->client, par->width - 1);  in ssd1307fb_ssd1306_init()
408 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PAGE_RANGE);  in ssd1307fb_ssd1306_init()
412 	ret = ssd1307fb_write_cmd(par->client, 0x0);  in ssd1307fb_ssd1306_init()
416 	ret = ssd1307fb_write_cmd(par->client,  in ssd1307fb_ssd1306_init()
422 	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);  in ssd1307fb_ssd1306_init()
446 static int ssd1307fb_probe(struct i2c_client *client,  in ssd1307fb_probe()  argument
450 	struct device_node *node = client->dev.of_node;  in ssd1307fb_probe()
457 		dev_err(&client->dev, "No device tree data found!\n");  in ssd1307fb_probe()
461 	info = framebuffer_alloc(sizeof(struct ssd1307fb_par), &client->dev);  in ssd1307fb_probe()
463 		dev_err(&client->dev, "Couldn't allocate framebuffer.\n");  in ssd1307fb_probe()
469 	par->client = client;  in ssd1307fb_probe()
472 							   &client->dev)->data;  in ssd1307fb_probe()
474 	par->reset = of_get_named_gpio(client->dev.of_node,  in ssd1307fb_probe()
492 	vmem = devm_kzalloc(&client->dev, vmem_size, GFP_KERNEL);  in ssd1307fb_probe()
494 		dev_err(&client->dev, "Couldn't allocate graphical memory.\n");  in ssd1307fb_probe()
523 	ret = devm_gpio_request_one(&client->dev, par->reset,  in ssd1307fb_probe()
527 		dev_err(&client->dev,  in ssd1307fb_probe()
533 	i2c_set_clientdata(client, info);  in ssd1307fb_probe()
549 		dev_err(&client->dev, "Couldn't register the framebuffer\n");  in ssd1307fb_probe()
553 …dev_info(&client->dev, "fb%d: %s framebuffer device registered, using %d bytes of video memory\n",…  in ssd1307fb_probe()
567 static int ssd1307fb_remove(struct i2c_client *client)  in ssd1307fb_remove()  argument
569 	struct fb_info *info = i2c_get_clientdata(client);  in ssd1307fb_remove()