Lines Matching refs:par
147 static void ssd1307fb_update_display(struct ssd1307fb_par *par) in ssd1307fb_update_display() argument
150 u8 *vmem = par->info->screen_base; in ssd1307fb_update_display()
153 array = ssd1307fb_alloc_array(par->width * par->height / 8, in ssd1307fb_update_display()
187 for (i = 0; i < (par->height / 8); i++) { in ssd1307fb_update_display()
188 for (j = 0; j < par->width; j++) { in ssd1307fb_update_display()
189 u32 array_idx = i * par->width + j; in ssd1307fb_update_display()
192 u32 page_length = par->width * i; in ssd1307fb_update_display()
193 u32 index = page_length + (par->width * k + j) / 8; in ssd1307fb_update_display()
202 ssd1307fb_write_array(par->client, array, par->width * par->height / 8); in ssd1307fb_update_display()
210 struct ssd1307fb_par *par = info->par; in ssd1307fb_write() local
231 ssd1307fb_update_display(par); in ssd1307fb_write()
240 struct ssd1307fb_par *par = info->par; in ssd1307fb_blank() local
243 return ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF); in ssd1307fb_blank()
245 return ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON); in ssd1307fb_blank()
250 struct ssd1307fb_par *par = info->par; in ssd1307fb_fillrect() local
252 ssd1307fb_update_display(par); in ssd1307fb_fillrect()
257 struct ssd1307fb_par *par = info->par; in ssd1307fb_copyarea() local
259 ssd1307fb_update_display(par); in ssd1307fb_copyarea()
264 struct ssd1307fb_par *par = info->par; in ssd1307fb_imageblit() local
266 ssd1307fb_update_display(par); in ssd1307fb_imageblit()
282 ssd1307fb_update_display(info->par); in ssd1307fb_deferred_io()
285 static int ssd1307fb_init(struct ssd1307fb_par *par) in ssd1307fb_init() argument
290 if (par->device_info->need_pwm) { in ssd1307fb_init()
291 par->pwm = pwm_get(&par->client->dev, NULL); in ssd1307fb_init()
292 if (IS_ERR(par->pwm)) { in ssd1307fb_init()
293 dev_err(&par->client->dev, "Could not get PWM from device tree!\n"); in ssd1307fb_init()
294 return PTR_ERR(par->pwm); in ssd1307fb_init()
297 par->pwm_period = pwm_get_period(par->pwm); in ssd1307fb_init()
299 pwm_config(par->pwm, par->pwm_period / 2, par->pwm_period); in ssd1307fb_init()
300 pwm_enable(par->pwm); in ssd1307fb_init()
302 dev_dbg(&par->client->dev, "Using PWM%d with a %dns period.\n", in ssd1307fb_init()
303 par->pwm->pwm, par->pwm_period); in ssd1307fb_init()
307 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST); in ssd1307fb_init()
311 ret = ssd1307fb_write_cmd(par->client, par->contrast); in ssd1307fb_init()
316 if (par->seg_remap) { in ssd1307fb_init()
317 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON); in ssd1307fb_init()
323 com_invdir = 0xc0 | (par->com_invdir & 0x1) << 3; in ssd1307fb_init()
324 ret = ssd1307fb_write_cmd(par->client, com_invdir); in ssd1307fb_init()
329 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_MULTIPLEX_RATIO); in ssd1307fb_init()
333 ret = ssd1307fb_write_cmd(par->client, par->height - 1); in ssd1307fb_init()
338 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_DISPLAY_OFFSET); in ssd1307fb_init()
342 ret = ssd1307fb_write_cmd(par->client, par->com_offset); in ssd1307fb_init()
347 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_CLOCK_FREQ); in ssd1307fb_init()
351 dclk = ((par->dclk_div - 1) & 0xf) | (par->dclk_frq & 0xf) << 4; in ssd1307fb_init()
352 ret = ssd1307fb_write_cmd(par->client, dclk); in ssd1307fb_init()
357 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PRECHARGE_PERIOD); in ssd1307fb_init()
361 precharge = (par->prechargep1 & 0xf) | (par->prechargep2 & 0xf) << 4; in ssd1307fb_init()
362 ret = ssd1307fb_write_cmd(par->client, precharge); in ssd1307fb_init()
367 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COM_PINS_CONFIG); in ssd1307fb_init()
371 compins = 0x02 | !(par->com_seq & 0x1) << 4 in ssd1307fb_init()
372 | (par->com_lrremap & 0x1) << 5; in ssd1307fb_init()
373 ret = ssd1307fb_write_cmd(par->client, compins); in ssd1307fb_init()
378 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_VCOMH); in ssd1307fb_init()
382 ret = ssd1307fb_write_cmd(par->client, par->vcomh); in ssd1307fb_init()
387 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CHARGE_PUMP); in ssd1307fb_init()
391 ret = ssd1307fb_write_cmd(par->client, in ssd1307fb_init()
392 (par->device_info->need_chargepump & 0x1 << 2) & 0x14); in ssd1307fb_init()
397 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_ADDRESS_MODE); in ssd1307fb_init()
401 ret = ssd1307fb_write_cmd(par->client, in ssd1307fb_init()
407 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_COL_RANGE); in ssd1307fb_init()
411 ret = ssd1307fb_write_cmd(par->client, 0x0); in ssd1307fb_init()
415 ret = ssd1307fb_write_cmd(par->client, par->width - 1); in ssd1307fb_init()
420 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PAGE_RANGE); in ssd1307fb_init()
424 ret = ssd1307fb_write_cmd(par->client, 0x0); in ssd1307fb_init()
428 ret = ssd1307fb_write_cmd(par->client, in ssd1307fb_init()
429 par->page_offset + (par->height / 8) - 1); in ssd1307fb_init()
434 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON); in ssd1307fb_init()
443 struct ssd1307fb_par *par = bl_get_data(bdev); in ssd1307fb_update_bl() local
447 par->contrast = brightness; in ssd1307fb_update_bl()
449 ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST); in ssd1307fb_update_bl()
452 ret = ssd1307fb_write_cmd(par->client, par->contrast); in ssd1307fb_update_bl()
460 struct ssd1307fb_par *par = bl_get_data(bdev); in ssd1307fb_get_brightness() local
462 return par->contrast; in ssd1307fb_get_brightness()
534 struct ssd1307fb_par *par; in ssd1307fb_probe() local
549 par = info->par; in ssd1307fb_probe()
550 par->info = info; in ssd1307fb_probe()
551 par->client = client; in ssd1307fb_probe()
553 par->device_info = (struct ssd1307fb_deviceinfo *)of_match_device( in ssd1307fb_probe()
556 par->reset = of_get_named_gpio(client->dev.of_node, in ssd1307fb_probe()
558 if (!gpio_is_valid(par->reset)) { in ssd1307fb_probe()
563 if (of_property_read_u32(node, "solomon,width", &par->width)) in ssd1307fb_probe()
564 par->width = 96; in ssd1307fb_probe()
566 if (of_property_read_u32(node, "solomon,height", &par->height)) in ssd1307fb_probe()
567 par->height = 16; in ssd1307fb_probe()
569 if (of_property_read_u32(node, "solomon,page-offset", &par->page_offset)) in ssd1307fb_probe()
570 par->page_offset = 1; in ssd1307fb_probe()
572 if (of_property_read_u32(node, "solomon,com-offset", &par->com_offset)) in ssd1307fb_probe()
573 par->com_offset = 0; in ssd1307fb_probe()
575 if (of_property_read_u32(node, "solomon,prechargep1", &par->prechargep1)) in ssd1307fb_probe()
576 par->prechargep1 = 2; in ssd1307fb_probe()
578 if (of_property_read_u32(node, "solomon,prechargep2", &par->prechargep2)) in ssd1307fb_probe()
579 par->prechargep2 = 2; in ssd1307fb_probe()
581 par->seg_remap = !of_property_read_bool(node, "solomon,segment-no-remap"); in ssd1307fb_probe()
582 par->com_seq = of_property_read_bool(node, "solomon,com-seq"); in ssd1307fb_probe()
583 par->com_lrremap = of_property_read_bool(node, "solomon,com-lrremap"); in ssd1307fb_probe()
584 par->com_invdir = of_property_read_bool(node, "solomon,com-invdir"); in ssd1307fb_probe()
586 par->contrast = 127; in ssd1307fb_probe()
587 par->vcomh = par->device_info->default_vcomh; in ssd1307fb_probe()
590 par->dclk_div = par->device_info->default_dclk_div; in ssd1307fb_probe()
591 par->dclk_frq = par->device_info->default_dclk_frq; in ssd1307fb_probe()
593 vmem_size = par->width * par->height / 8; in ssd1307fb_probe()
615 info->fix.line_length = par->width / 8; in ssd1307fb_probe()
619 info->var.xres = par->width; in ssd1307fb_probe()
620 info->var.xres_virtual = par->width; in ssd1307fb_probe()
621 info->var.yres = par->height; in ssd1307fb_probe()
622 info->var.yres_virtual = par->height; in ssd1307fb_probe()
637 ret = devm_gpio_request_one(&client->dev, par->reset, in ssd1307fb_probe()
643 par->reset, ret); in ssd1307fb_probe()
650 gpio_set_value(par->reset, 0); in ssd1307fb_probe()
652 gpio_set_value(par->reset, 1); in ssd1307fb_probe()
655 ret = ssd1307fb_init(par); in ssd1307fb_probe()
666 bl = backlight_device_register(bl_name, &client->dev, par, in ssd1307fb_probe()
675 bl->props.brightness = par->contrast; in ssd1307fb_probe()
686 if (par->device_info->need_pwm) { in ssd1307fb_probe()
687 pwm_disable(par->pwm); in ssd1307fb_probe()
688 pwm_put(par->pwm); in ssd1307fb_probe()
700 struct ssd1307fb_par *par = info->par; in ssd1307fb_remove() local
702 ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF); in ssd1307fb_remove()
707 if (par->device_info->need_pwm) { in ssd1307fb_remove()
708 pwm_disable(par->pwm); in ssd1307fb_remove()
709 pwm_put(par->pwm); in ssd1307fb_remove()