help
Driver for generic DSI command mode panels.
-config DRM_OMAP_PANEL_SONY_ACX565AKM
- tristate "ACX565AKM Panel"
- depends on SPI && BACKLIGHT_CLASS_DEVICE
- help
- This is the LCD panel used on Nokia N900
-
-config DRM_OMAP_PANEL_LGPHILIPS_LB035Q02
- tristate "LG.Philips LB035Q02 LCD Panel"
- depends on SPI
- help
- LCD Panel used on the Gumstix Overo Palo35
-
-config DRM_OMAP_PANEL_SHARP_LS037V7DW01
- tristate "Sharp LS037V7DW01 LCD Panel"
- depends on BACKLIGHT_CLASS_DEVICE
- help
- LCD Panel used in TI's SDP3430 and EVM boards
-
-config DRM_OMAP_PANEL_TPO_TD028TTEC1
- tristate "TPO TD028TTEC1 LCD Panel"
- depends on SPI
- help
- LCD panel used in Openmoko.
-
-config DRM_OMAP_PANEL_TPO_TD043MTEA1
- tristate "TPO TD043MTEA1 LCD Panel"
- depends on SPI
- help
- LCD Panel used in OMAP3 Pandora
-
-config DRM_OMAP_PANEL_NEC_NL8048HL11
- tristate "NEC NL8048HL11 Panel"
- depends on SPI
- depends on BACKLIGHT_CLASS_DEVICE
- help
- This NEC NL8048HL11 panel is TFT LCD used in the
- Zoom2/3/3630 sdp boards.
-
endmenu
obj-$(CONFIG_DRM_OMAP_CONNECTOR_HDMI) += connector-hdmi.o
obj-$(CONFIG_DRM_OMAP_CONNECTOR_ANALOG_TV) += connector-analog-tv.o
obj-$(CONFIG_DRM_OMAP_PANEL_DSI_CM) += panel-dsi-cm.o
-obj-$(CONFIG_DRM_OMAP_PANEL_SONY_ACX565AKM) += panel-sony-acx565akm.o
-obj-$(CONFIG_DRM_OMAP_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o
-obj-$(CONFIG_DRM_OMAP_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
-obj-$(CONFIG_DRM_OMAP_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
-obj-$(CONFIG_DRM_OMAP_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
-obj-$(CONFIG_DRM_OMAP_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * LG.Philips LB035Q02 LCD Panel driver
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- * Based on a driver by: Steve Sakoman <steve@sakoman.com>
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/mutex.h>
-#include <linux/gpio.h>
-#include <linux/gpio/consumer.h>
-
-#include "../dss/omapdss.h"
-
-static const struct videomode lb035q02_vm = {
- .hactive = 320,
- .vactive = 240,
-
- .pixelclock = 6500000,
-
- .hsync_len = 2,
- .hfront_porch = 20,
- .hback_porch = 68,
-
- .vsync_len = 2,
- .vfront_porch = 4,
- .vback_porch = 18,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct spi_device *spi;
-
- struct videomode vm;
-
- struct gpio_desc *enable_gpio;
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val)
-{
- struct spi_message msg;
- struct spi_transfer index_xfer = {
- .len = 3,
- .cs_change = 1,
- };
- struct spi_transfer value_xfer = {
- .len = 3,
- };
- u8 buffer[16];
-
- spi_message_init(&msg);
-
- /* register index */
- buffer[0] = 0x70;
- buffer[1] = 0x00;
- buffer[2] = reg & 0x7f;
- index_xfer.tx_buf = buffer;
- spi_message_add_tail(&index_xfer, &msg);
-
- /* register value */
- buffer[4] = 0x72;
- buffer[5] = val >> 8;
- buffer[6] = val;
- value_xfer.tx_buf = buffer + 4;
- spi_message_add_tail(&value_xfer, &msg);
-
- return spi_sync(spi, &msg);
-}
-
-static void init_lb035q02_panel(struct spi_device *spi)
-{
- /* Init sequence from page 28 of the lb035q02 spec */
- lb035q02_write_reg(spi, 0x01, 0x6300);
- lb035q02_write_reg(spi, 0x02, 0x0200);
- lb035q02_write_reg(spi, 0x03, 0x0177);
- lb035q02_write_reg(spi, 0x04, 0x04c7);
- lb035q02_write_reg(spi, 0x05, 0xffc0);
- lb035q02_write_reg(spi, 0x06, 0xe806);
- lb035q02_write_reg(spi, 0x0a, 0x4008);
- lb035q02_write_reg(spi, 0x0b, 0x0000);
- lb035q02_write_reg(spi, 0x0d, 0x0030);
- lb035q02_write_reg(spi, 0x0e, 0x2800);
- lb035q02_write_reg(spi, 0x0f, 0x0000);
- lb035q02_write_reg(spi, 0x16, 0x9f80);
- lb035q02_write_reg(spi, 0x17, 0x0a0f);
- lb035q02_write_reg(spi, 0x1e, 0x00c1);
- lb035q02_write_reg(spi, 0x30, 0x0300);
- lb035q02_write_reg(spi, 0x31, 0x0007);
- lb035q02_write_reg(spi, 0x32, 0x0000);
- lb035q02_write_reg(spi, 0x33, 0x0000);
- lb035q02_write_reg(spi, 0x34, 0x0707);
- lb035q02_write_reg(spi, 0x35, 0x0004);
- lb035q02_write_reg(spi, 0x36, 0x0302);
- lb035q02_write_reg(spi, 0x37, 0x0202);
- lb035q02_write_reg(spi, 0x3a, 0x0a0d);
- lb035q02_write_reg(spi, 0x3b, 0x0806);
-}
-
-static int lb035q02_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- struct panel_drv_data *ddata = to_panel_data(dst);
-
- init_lb035q02_panel(ddata->spi);
-
- return 0;
-}
-
-static void lb035q02_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static void lb035q02_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 1);
-}
-
-static void lb035q02_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 0);
-}
-
-static int lb035q02_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops lb035q02_ops = {
- .connect = lb035q02_connect,
- .disconnect = lb035q02_disconnect,
-
- .enable = lb035q02_enable,
- .disable = lb035q02_disable,
-
- .get_modes = lb035q02_get_modes,
-};
-
-static int lb035q02_probe_of(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct gpio_desc *gpio;
-
- gpio = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(gpio)) {
- dev_err(&spi->dev, "failed to parse enable gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->enable_gpio = gpio;
-
- return 0;
-}
-
-static int lb035q02_panel_spi_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- int r;
-
- ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- dev_set_drvdata(&spi->dev, ddata);
-
- ddata->spi = spi;
-
- r = lb035q02_probe_of(spi);
- if (r)
- return r;
-
- ddata->vm = lb035q02_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->ops = &lb035q02_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
-
- /*
- * Note: According to the panel documentation:
- * DE is active LOW
- * DATA needs to be driven on the FALLING edge
- */
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int lb035q02_panel_spi_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- omapdss_device_unregister(dssdev);
-
- lb035q02_disable(dssdev);
-
- return 0;
-}
-
-static const struct of_device_id lb035q02_of_match[] = {
- { .compatible = "omapdss,lgphilips,lb035q02", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, lb035q02_of_match);
-
-static struct spi_driver lb035q02_spi_driver = {
- .probe = lb035q02_panel_spi_probe,
- .remove = lb035q02_panel_spi_remove,
- .driver = {
- .name = "panel_lgphilips_lb035q02",
- .of_match_table = lb035q02_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_spi_driver(lb035q02_spi_driver);
-
-MODULE_ALIAS("spi:lgphilips,lb035q02");
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("LG.Philips LB035Q02 LCD Panel driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * NEC NL8048HL11 Panel driver
- *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Erik Gilling <konkers@android.com>
- * Converted to new DSS device model: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/spi/spi.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct videomode vm;
-
- struct gpio_desc *res_gpio;
-
- struct spi_device *spi;
-};
-
-#define LCD_XRES 800
-#define LCD_YRES 480
-/*
- * NEC PIX Clock Ratings
- * MIN:21.8MHz TYP:23.8MHz MAX:25.7MHz
- */
-#define LCD_PIXEL_CLOCK 23800000
-
-static const struct {
- unsigned char addr;
- unsigned char dat;
-} nec_8048_init_seq[] = {
- { 3, 0x01 }, { 0, 0x00 }, { 1, 0x01 }, { 4, 0x00 }, { 5, 0x14 },
- { 6, 0x24 }, { 16, 0xD7 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x55 },
- { 20, 0x01 }, { 21, 0x70 }, { 22, 0x1E }, { 23, 0x25 }, { 24, 0x25 },
- { 25, 0x02 }, { 26, 0x02 }, { 27, 0xA0 }, { 32, 0x2F }, { 33, 0x0F },
- { 34, 0x0F }, { 35, 0x0F }, { 36, 0x0F }, { 37, 0x0F }, { 38, 0x0F },
- { 39, 0x00 }, { 40, 0x02 }, { 41, 0x02 }, { 42, 0x02 }, { 43, 0x0F },
- { 44, 0x0F }, { 45, 0x0F }, { 46, 0x0F }, { 47, 0x0F }, { 48, 0x0F },
- { 49, 0x0F }, { 50, 0x00 }, { 51, 0x02 }, { 52, 0x02 }, { 53, 0x02 },
- { 80, 0x0C }, { 83, 0x42 }, { 84, 0x42 }, { 85, 0x41 }, { 86, 0x14 },
- { 89, 0x88 }, { 90, 0x01 }, { 91, 0x00 }, { 92, 0x02 }, { 93, 0x0C },
- { 94, 0x1C }, { 95, 0x27 }, { 98, 0x49 }, { 99, 0x27 }, { 102, 0x76 },
- { 103, 0x27 }, { 112, 0x01 }, { 113, 0x0E }, { 114, 0x02 },
- { 115, 0x0C }, { 118, 0x0C }, { 121, 0x30 }, { 130, 0x00 },
- { 131, 0x00 }, { 132, 0xFC }, { 134, 0x00 }, { 136, 0x00 },
- { 138, 0x00 }, { 139, 0x00 }, { 140, 0x00 }, { 141, 0xFC },
- { 143, 0x00 }, { 145, 0x00 }, { 147, 0x00 }, { 148, 0x00 },
- { 149, 0x00 }, { 150, 0xFC }, { 152, 0x00 }, { 154, 0x00 },
- { 156, 0x00 }, { 157, 0x00 }, { 2, 0x00 },
-};
-
-static const struct videomode nec_8048_panel_vm = {
- .hactive = LCD_XRES,
- .vactive = LCD_YRES,
- .pixelclock = LCD_PIXEL_CLOCK,
- .hfront_porch = 6,
- .hsync_len = 1,
- .hback_porch = 4,
- .vfront_porch = 3,
- .vsync_len = 1,
- .vback_porch = 4,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int nec_8048_spi_send(struct spi_device *spi, unsigned char reg_addr,
- unsigned char reg_data)
-{
- int ret = 0;
- unsigned int cmd = 0, data = 0;
-
- cmd = 0x0000 | reg_addr; /* register address write */
- data = 0x0100 | reg_data; /* register data write */
- data = (cmd << 16) | data;
-
- ret = spi_write(spi, (unsigned char *)&data, 4);
- if (ret)
- pr_err("error in spi_write %x\n", data);
-
- return ret;
-}
-
-static int init_nec_8048_wvga_lcd(struct spi_device *spi)
-{
- unsigned int i;
- /* Initialization Sequence */
- /* nec_8048_spi_send(spi, REG, VAL) */
- for (i = 0; i < (ARRAY_SIZE(nec_8048_init_seq) - 1); i++)
- nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
- nec_8048_init_seq[i].dat);
- udelay(20);
- nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
- nec_8048_init_seq[i].dat);
- return 0;
-}
-
-static int nec_8048_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void nec_8048_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static void nec_8048_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- gpiod_set_value_cansleep(ddata->res_gpio, 1);
-}
-
-static void nec_8048_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- gpiod_set_value_cansleep(ddata->res_gpio, 0);
-}
-
-static int nec_8048_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops nec_8048_ops = {
- .connect = nec_8048_connect,
- .disconnect = nec_8048_disconnect,
-
- .enable = nec_8048_enable,
- .disable = nec_8048_disable,
-
- .get_modes = nec_8048_get_modes,
-};
-
-static int nec_8048_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct gpio_desc *gpio;
- int r;
-
- dev_dbg(&spi->dev, "%s\n", __func__);
-
- spi->mode = SPI_MODE_0;
- spi->bits_per_word = 32;
-
- r = spi_setup(spi);
- if (r < 0) {
- dev_err(&spi->dev, "spi_setup failed: %d\n", r);
- return r;
- }
-
- init_nec_8048_wvga_lcd(spi);
-
- ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- dev_set_drvdata(&spi->dev, ddata);
-
- ddata->spi = spi;
-
- gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);
- if (IS_ERR(gpio)) {
- dev_err(&spi->dev, "failed to get reset gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->res_gpio = gpio;
-
- ddata->vm = nec_8048_panel_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->ops = &nec_8048_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int nec_8048_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- omapdss_device_unregister(dssdev);
-
- nec_8048_disable(dssdev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int nec_8048_suspend(struct device *dev)
-{
- struct spi_device *spi = to_spi_device(dev);
-
- nec_8048_spi_send(spi, 2, 0x01);
- mdelay(40);
-
- return 0;
-}
-
-static int nec_8048_resume(struct device *dev)
-{
- struct spi_device *spi = to_spi_device(dev);
-
- /* reinitialize the panel */
- spi_setup(spi);
- nec_8048_spi_send(spi, 2, 0x00);
- init_nec_8048_wvga_lcd(spi);
-
- return 0;
-}
-static SIMPLE_DEV_PM_OPS(nec_8048_pm_ops, nec_8048_suspend,
- nec_8048_resume);
-#define NEC_8048_PM_OPS (&nec_8048_pm_ops)
-#else
-#define NEC_8048_PM_OPS NULL
-#endif
-
-static const struct of_device_id nec_8048_of_match[] = {
- { .compatible = "omapdss,nec,nl8048hl11", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, nec_8048_of_match);
-
-static struct spi_driver nec_8048_driver = {
- .driver = {
- .name = "panel-nec-nl8048hl11",
- .pm = NEC_8048_PM_OPS,
- .of_match_table = nec_8048_of_match,
- .suppress_bind_attrs = true,
- },
- .probe = nec_8048_probe,
- .remove = nec_8048_remove,
-};
-
-module_spi_driver(nec_8048_driver);
-
-MODULE_ALIAS("spi:nec,nl8048hl11");
-MODULE_AUTHOR("Erik Gilling <konkers@android.com>");
-MODULE_DESCRIPTION("NEC-NL8048HL11 Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * LCD panel driver for Sharp LS037V7DW01
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/regulator/consumer.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- struct regulator *vcc;
-
- struct videomode vm;
-
- struct gpio_desc *resb_gpio; /* low = reset active min 20 us */
- struct gpio_desc *ini_gpio; /* high = power on */
- struct gpio_desc *mo_gpio; /* low = 480x640, high = 240x320 */
- struct gpio_desc *lr_gpio; /* high = conventional horizontal scanning */
- struct gpio_desc *ud_gpio; /* high = conventional vertical scanning */
-};
-
-static const struct videomode sharp_ls_vm = {
- .hactive = 480,
- .vactive = 640,
-
- .pixelclock = 19200000,
-
- .hsync_len = 2,
- .hfront_porch = 1,
- .hback_porch = 28,
-
- .vsync_len = 1,
- .vfront_porch = 1,
- .vback_porch = 1,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int sharp_ls_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void sharp_ls_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static void sharp_ls_pre_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- int r;
-
- if (ddata->vcc) {
- r = regulator_enable(ddata->vcc);
- if (r)
- dev_err(dssdev->dev, "%s: failed to enable regulator\n",
- __func__);
- }
-}
-
-static void sharp_ls_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- /* wait couple of vsyncs until enabling the LCD */
- msleep(50);
-
- if (ddata->resb_gpio)
- gpiod_set_value_cansleep(ddata->resb_gpio, 1);
-
- if (ddata->ini_gpio)
- gpiod_set_value_cansleep(ddata->ini_gpio, 1);
-}
-
-static void sharp_ls_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (ddata->ini_gpio)
- gpiod_set_value_cansleep(ddata->ini_gpio, 0);
-
- if (ddata->resb_gpio)
- gpiod_set_value_cansleep(ddata->resb_gpio, 0);
-
- /* wait at least 5 vsyncs after disabling the LCD */
- msleep(100);
-}
-
-static void sharp_ls_post_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (ddata->vcc)
- regulator_disable(ddata->vcc);
-}
-
-static int sharp_ls_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops sharp_ls_ops = {
- .connect = sharp_ls_connect,
- .disconnect = sharp_ls_disconnect,
-
- .pre_enable = sharp_ls_pre_enable,
- .enable = sharp_ls_enable,
- .disable = sharp_ls_disable,
- .post_disable = sharp_ls_post_disable,
-
- .get_modes = sharp_ls_get_modes,
-};
-
-static int sharp_ls_get_gpio_of(struct device *dev, int index, int val,
- const char *desc, struct gpio_desc **gpiod)
-{
- struct gpio_desc *gd;
-
- *gpiod = NULL;
-
- gd = devm_gpiod_get_index(dev, desc, index, GPIOD_OUT_LOW);
- if (IS_ERR(gd))
- return PTR_ERR(gd);
-
- *gpiod = gd;
- return 0;
-}
-
-static int sharp_ls_probe_of(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- int r;
-
- ddata->vcc = devm_regulator_get(&pdev->dev, "envdd");
- if (IS_ERR(ddata->vcc)) {
- dev_err(&pdev->dev, "failed to get regulator\n");
- return PTR_ERR(ddata->vcc);
- }
-
- /* lcd INI */
- r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "enable", &ddata->ini_gpio);
- if (r)
- return r;
-
- /* lcd RESB */
- r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "reset", &ddata->resb_gpio);
- if (r)
- return r;
-
- /* lcd MO */
- r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "mode", &ddata->mo_gpio);
- if (r)
- return r;
-
- /* lcd LR */
- r = sharp_ls_get_gpio_of(&pdev->dev, 1, 1, "mode", &ddata->lr_gpio);
- if (r)
- return r;
-
- /* lcd UD */
- r = sharp_ls_get_gpio_of(&pdev->dev, 2, 1, "mode", &ddata->ud_gpio);
- if (r)
- return r;
-
- return 0;
-}
-
-static int sharp_ls_probe(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- int r;
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
-
- r = sharp_ls_probe_of(pdev);
- if (r)
- return r;
-
- ddata->vm = sharp_ls_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &pdev->dev;
- dssdev->ops = &sharp_ls_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
-
- /*
- * Note: According to the panel documentation:
- * DATA needs to be driven on the FALLING edge
- */
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int __exit sharp_ls_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- omapdss_device_unregister(dssdev);
-
- if (omapdss_device_is_enabled(dssdev)) {
- sharp_ls_disable(dssdev);
- sharp_ls_post_disable(dssdev);
- }
-
- return 0;
-}
-
-static const struct of_device_id sharp_ls_of_match[] = {
- { .compatible = "omapdss,sharp,ls037v7dw01", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, sharp_ls_of_match);
-
-static struct platform_driver sharp_ls_driver = {
- .probe = sharp_ls_probe,
- .remove = __exit_p(sharp_ls_remove),
- .driver = {
- .name = "panel-sharp-ls037v7dw01",
- .of_match_table = sharp_ls_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(sharp_ls_driver);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("Sharp LS037V7DW01 Panel Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Sony ACX565AKM LCD Panel driver
- *
- * Copyright (C) 2010 Nokia Corporation
- *
- * Original Driver Author: Imre Deak <imre.deak@nokia.com>
- * Based on panel-generic.c by Tomi Valkeinen <tomi.valkeinen@ti.com>
- * Adapted to new DSS2 framework: Roger Quadros <roger.quadros@nokia.com>
- */
-
-#include <linux/backlight.h>
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/jiffies.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/sched.h>
-#include <linux/spi/spi.h>
-
-#include "../dss/omapdss.h"
-
-#define MIPID_CMD_READ_DISP_ID 0x04
-#define MIPID_CMD_READ_RED 0x06
-#define MIPID_CMD_READ_GREEN 0x07
-#define MIPID_CMD_READ_BLUE 0x08
-#define MIPID_CMD_READ_DISP_STATUS 0x09
-#define MIPID_CMD_RDDSDR 0x0F
-#define MIPID_CMD_SLEEP_IN 0x10
-#define MIPID_CMD_SLEEP_OUT 0x11
-#define MIPID_CMD_DISP_OFF 0x28
-#define MIPID_CMD_DISP_ON 0x29
-#define MIPID_CMD_WRITE_DISP_BRIGHTNESS 0x51
-#define MIPID_CMD_READ_DISP_BRIGHTNESS 0x52
-#define MIPID_CMD_WRITE_CTRL_DISP 0x53
-
-#define CTRL_DISP_BRIGHTNESS_CTRL_ON (1 << 5)
-#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON (1 << 4)
-#define CTRL_DISP_BACKLIGHT_ON (1 << 2)
-#define CTRL_DISP_AUTO_BRIGHTNESS_ON (1 << 1)
-
-#define MIPID_CMD_READ_CTRL_DISP 0x54
-#define MIPID_CMD_WRITE_CABC 0x55
-#define MIPID_CMD_READ_CABC 0x56
-
-#define MIPID_VER_LPH8923 3
-#define MIPID_VER_LS041Y3 4
-#define MIPID_VER_L4F00311 8
-#define MIPID_VER_ACX565AKM 9
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct gpio_desc *reset_gpio;
-
- struct videomode vm;
-
- char *name;
- int enabled;
- int model;
- int revision;
- u8 display_id[3];
- unsigned has_bc:1;
- unsigned has_cabc:1;
- unsigned cabc_mode;
- unsigned long hw_guard_end; /* next value of jiffies
- when we can issue the
- next sleep in/out command */
- unsigned long hw_guard_wait; /* max guard time in jiffies */
-
- struct spi_device *spi;
- struct mutex mutex;
-
- struct backlight_device *bl_dev;
-};
-
-static const struct videomode acx565akm_panel_vm = {
- .hactive = 800,
- .vactive = 480,
- .pixelclock = 24000000,
- .hfront_porch = 28,
- .hsync_len = 4,
- .hback_porch = 24,
- .vfront_porch = 3,
- .vsync_len = 3,
- .vback_porch = 4,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static void acx565akm_transfer(struct panel_drv_data *ddata, int cmd,
- const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
-{
- struct spi_message m;
- struct spi_transfer *x, xfer[5];
- int r;
-
- BUG_ON(ddata->spi == NULL);
-
- spi_message_init(&m);
-
- memset(xfer, 0, sizeof(xfer));
- x = &xfer[0];
-
- cmd &= 0xff;
- x->tx_buf = &cmd;
- x->bits_per_word = 9;
- x->len = 2;
-
- if (rlen > 1 && wlen == 0) {
- /*
- * Between the command and the response data there is a
- * dummy clock cycle. Add an extra bit after the command
- * word to account for this.
- */
- x->bits_per_word = 10;
- cmd <<= 1;
- }
- spi_message_add_tail(x, &m);
-
- if (wlen) {
- x++;
- x->tx_buf = wbuf;
- x->len = wlen;
- x->bits_per_word = 9;
- spi_message_add_tail(x, &m);
- }
-
- if (rlen) {
- x++;
- x->rx_buf = rbuf;
- x->len = rlen;
- spi_message_add_tail(x, &m);
- }
-
- r = spi_sync(ddata->spi, &m);
- if (r < 0)
- dev_dbg(&ddata->spi->dev, "spi_sync %d\n", r);
-}
-
-static inline void acx565akm_cmd(struct panel_drv_data *ddata, int cmd)
-{
- acx565akm_transfer(ddata, cmd, NULL, 0, NULL, 0);
-}
-
-static inline void acx565akm_write(struct panel_drv_data *ddata,
- int reg, const u8 *buf, int len)
-{
- acx565akm_transfer(ddata, reg, buf, len, NULL, 0);
-}
-
-static inline void acx565akm_read(struct panel_drv_data *ddata,
- int reg, u8 *buf, int len)
-{
- acx565akm_transfer(ddata, reg, NULL, 0, buf, len);
-}
-
-static void hw_guard_start(struct panel_drv_data *ddata, int guard_msec)
-{
- ddata->hw_guard_wait = msecs_to_jiffies(guard_msec);
- ddata->hw_guard_end = jiffies + ddata->hw_guard_wait;
-}
-
-static void hw_guard_wait(struct panel_drv_data *ddata)
-{
- unsigned long wait = ddata->hw_guard_end - jiffies;
-
- if ((long)wait > 0 && wait <= ddata->hw_guard_wait) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(wait);
- }
-}
-
-static void set_sleep_mode(struct panel_drv_data *ddata, int on)
-{
- int cmd;
-
- if (on)
- cmd = MIPID_CMD_SLEEP_IN;
- else
- cmd = MIPID_CMD_SLEEP_OUT;
- /*
- * We have to keep 120msec between sleep in/out commands.
- * (8.2.15, 8.2.16).
- */
- hw_guard_wait(ddata);
- acx565akm_cmd(ddata, cmd);
- hw_guard_start(ddata, 120);
-}
-
-static void set_display_state(struct panel_drv_data *ddata, int enabled)
-{
- int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
-
- acx565akm_cmd(ddata, cmd);
-}
-
-static int panel_enabled(struct panel_drv_data *ddata)
-{
- __be32 v;
- u32 disp_status;
- int enabled;
-
- acx565akm_read(ddata, MIPID_CMD_READ_DISP_STATUS, (u8 *)&v, 4);
- disp_status = __be32_to_cpu(v);
- enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
- dev_dbg(&ddata->spi->dev,
- "LCD panel %senabled by bootloader (status 0x%04x)\n",
- enabled ? "" : "not ", disp_status);
- return enabled;
-}
-
-static int panel_detect(struct panel_drv_data *ddata)
-{
- acx565akm_read(ddata, MIPID_CMD_READ_DISP_ID, ddata->display_id, 3);
- dev_dbg(&ddata->spi->dev, "MIPI display ID: %02x%02x%02x\n",
- ddata->display_id[0],
- ddata->display_id[1],
- ddata->display_id[2]);
-
- switch (ddata->display_id[0]) {
- case 0x10:
- ddata->model = MIPID_VER_ACX565AKM;
- ddata->name = "acx565akm";
- ddata->has_bc = 1;
- ddata->has_cabc = 1;
- break;
- case 0x29:
- ddata->model = MIPID_VER_L4F00311;
- ddata->name = "l4f00311";
- break;
- case 0x45:
- ddata->model = MIPID_VER_LPH8923;
- ddata->name = "lph8923";
- break;
- case 0x83:
- ddata->model = MIPID_VER_LS041Y3;
- ddata->name = "ls041y3";
- break;
- default:
- ddata->name = "unknown";
- dev_err(&ddata->spi->dev, "invalid display ID\n");
- return -ENODEV;
- }
-
- ddata->revision = ddata->display_id[1];
-
- dev_info(&ddata->spi->dev, "omapfb: %s rev %02x LCD detected\n",
- ddata->name, ddata->revision);
-
- return 0;
-}
-
-/*----------------------Backlight Control-------------------------*/
-
-static void enable_backlight_ctrl(struct panel_drv_data *ddata, int enable)
-{
- u16 ctrl;
-
- acx565akm_read(ddata, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
- if (enable) {
- ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
- CTRL_DISP_BACKLIGHT_ON;
- } else {
- ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
- CTRL_DISP_BACKLIGHT_ON);
- }
-
- ctrl |= 1 << 8;
- acx565akm_write(ddata, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
-}
-
-static void set_cabc_mode(struct panel_drv_data *ddata, unsigned int mode)
-{
- u16 cabc_ctrl;
-
- ddata->cabc_mode = mode;
- if (!ddata->enabled)
- return;
- cabc_ctrl = 0;
- acx565akm_read(ddata, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
- cabc_ctrl &= ~3;
- cabc_ctrl |= (1 << 8) | (mode & 3);
- acx565akm_write(ddata, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
-}
-
-static unsigned int get_cabc_mode(struct panel_drv_data *ddata)
-{
- return ddata->cabc_mode;
-}
-
-static unsigned int get_hw_cabc_mode(struct panel_drv_data *ddata)
-{
- u8 cabc_ctrl;
-
- acx565akm_read(ddata, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
- return cabc_ctrl & 3;
-}
-
-static void acx565akm_set_brightness(struct panel_drv_data *ddata, int level)
-{
- int bv;
-
- bv = level | (1 << 8);
- acx565akm_write(ddata, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
-
- if (level)
- enable_backlight_ctrl(ddata, 1);
- else
- enable_backlight_ctrl(ddata, 0);
-}
-
-static int acx565akm_get_actual_brightness(struct panel_drv_data *ddata)
-{
- u8 bv;
-
- acx565akm_read(ddata, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
-
- return bv;
-}
-
-
-static int acx565akm_bl_update_status(struct backlight_device *dev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
- int level;
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
- dev->props.power == FB_BLANK_UNBLANK)
- level = dev->props.brightness;
- else
- level = 0;
-
- if (ddata->has_bc)
- acx565akm_set_brightness(ddata, level);
- else
- return -ENODEV;
-
- return 0;
-}
-
-static int acx565akm_bl_get_intensity(struct backlight_device *dev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
-
- dev_dbg(&dev->dev, "%s\n", __func__);
-
- if (!ddata->has_bc)
- return -ENODEV;
-
- if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
- dev->props.power == FB_BLANK_UNBLANK) {
- if (ddata->has_bc)
- return acx565akm_get_actual_brightness(ddata);
- else
- return dev->props.brightness;
- }
-
- return 0;
-}
-
-static int acx565akm_bl_update_status_locked(struct backlight_device *dev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
- int r;
-
- mutex_lock(&ddata->mutex);
- r = acx565akm_bl_update_status(dev);
- mutex_unlock(&ddata->mutex);
-
- return r;
-}
-
-static int acx565akm_bl_get_intensity_locked(struct backlight_device *dev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
- int r;
-
- mutex_lock(&ddata->mutex);
- r = acx565akm_bl_get_intensity(dev);
- mutex_unlock(&ddata->mutex);
-
- return r;
-}
-
-static const struct backlight_ops acx565akm_bl_ops = {
- .get_brightness = acx565akm_bl_get_intensity_locked,
- .update_status = acx565akm_bl_update_status_locked,
-};
-
-/*--------------------Auto Brightness control via Sysfs---------------------*/
-
-static const char * const cabc_modes[] = {
- "off", /* always used when CABC is not supported */
- "ui",
- "still-image",
- "moving-image",
-};
-
-static ssize_t show_cabc_mode(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- const char *mode_str;
- int mode;
- int len;
-
- if (!ddata->has_cabc)
- mode = 0;
- else
- mode = get_cabc_mode(ddata);
- mode_str = "unknown";
- if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
- mode_str = cabc_modes[mode];
- len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
-
- return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
-}
-
-static ssize_t store_cabc_mode(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- int i;
-
- for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
- const char *mode_str = cabc_modes[i];
- int cmp_len = strlen(mode_str);
-
- if (count > 0 && buf[count - 1] == '\n')
- count--;
- if (count != cmp_len)
- continue;
-
- if (strncmp(buf, mode_str, cmp_len) == 0)
- break;
- }
-
- if (i == ARRAY_SIZE(cabc_modes))
- return -EINVAL;
-
- if (!ddata->has_cabc && i != 0)
- return -EINVAL;
-
- mutex_lock(&ddata->mutex);
- set_cabc_mode(ddata, i);
- mutex_unlock(&ddata->mutex);
-
- return count;
-}
-
-static ssize_t show_cabc_available_modes(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- int len;
- int i;
-
- if (!ddata->has_cabc)
- return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
-
- for (i = 0, len = 0;
- len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
- len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
- i ? " " : "", cabc_modes[i],
- i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
-
- return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
-}
-
-static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
- show_cabc_mode, store_cabc_mode);
-static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
- show_cabc_available_modes, NULL);
-
-static struct attribute *bldev_attrs[] = {
- &dev_attr_cabc_mode.attr,
- &dev_attr_cabc_available_modes.attr,
- NULL,
-};
-
-static const struct attribute_group bldev_attr_group = {
- .attrs = bldev_attrs,
-};
-
-static int acx565akm_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void acx565akm_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- /*FIXME tweak me */
- msleep(50);
-
- if (ddata->reset_gpio)
- gpiod_set_value(ddata->reset_gpio, 1);
-
- if (ddata->enabled) {
- dev_dbg(&ddata->spi->dev, "panel already enabled\n");
- return 0;
- }
-
- /*
- * We have to meet all the following delay requirements:
- * 1. tRW: reset pulse width 10usec (7.12.1)
- * 2. tRT: reset cancel time 5msec (7.12.1)
- * 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
- * case (7.6.2)
- * 4. 120msec before the sleep out command (7.12.1)
- */
- msleep(120);
-
- set_sleep_mode(ddata, 0);
- ddata->enabled = 1;
-
- /* 5msec between sleep out and the next command. (8.2.16) */
- usleep_range(5000, 10000);
- set_display_state(ddata, 1);
- set_cabc_mode(ddata, ddata->cabc_mode);
-
- return acx565akm_bl_update_status(ddata->bl_dev);
-}
-
-static void acx565akm_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- dev_dbg(dssdev->dev, "%s\n", __func__);
-
- if (!ddata->enabled)
- return;
-
- set_display_state(ddata, 0);
- set_sleep_mode(ddata, 1);
- ddata->enabled = 0;
- /*
- * We have to provide PCLK,HS,VS signals for 2 frames (worst case
- * ~50msec) after sending the sleep in command and asserting the
- * reset signal. We probably could assert the reset w/o the delay
- * but we still delay to avoid possible artifacts. (7.6.1)
- */
- msleep(50);
-
- if (ddata->reset_gpio)
- gpiod_set_value(ddata->reset_gpio, 0);
-
- /* FIXME need to tweak this delay */
- msleep(100);
-}
-
-static void acx565akm_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->mutex);
- acx565akm_panel_power_on(dssdev);
- mutex_unlock(&ddata->mutex);
-}
-
-static void acx565akm_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->mutex);
- acx565akm_panel_power_off(dssdev);
- mutex_unlock(&ddata->mutex);
-}
-
-static int acx565akm_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops acx565akm_ops = {
- .connect = acx565akm_connect,
- .disconnect = acx565akm_disconnect,
-
- .enable = acx565akm_enable,
- .disable = acx565akm_disable,
-
- .get_modes = acx565akm_get_modes,
-};
-
-static int acx565akm_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct backlight_device *bldev;
- int max_brightness, brightness;
- struct backlight_properties props;
- struct gpio_desc *gpio;
- int r;
-
- dev_dbg(&spi->dev, "%s\n", __func__);
-
- spi->mode = SPI_MODE_3;
-
- ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- dev_set_drvdata(&spi->dev, ddata);
-
- ddata->spi = spi;
-
- mutex_init(&ddata->mutex);
-
- gpio = devm_gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW);
- if (IS_ERR(gpio)) {
- dev_err(&spi->dev, "failed to parse reset gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->reset_gpio = gpio;
-
- if (ddata->reset_gpio)
- gpiod_set_value(ddata->reset_gpio, 1);
-
- /*
- * After reset we have to wait 5 msec before the first
- * command can be sent.
- */
- usleep_range(5000, 10000);
-
- ddata->enabled = panel_enabled(ddata);
-
- r = panel_detect(ddata);
-
- if (!ddata->enabled && ddata->reset_gpio)
- gpiod_set_value(ddata->reset_gpio, 0);
-
- if (r) {
- dev_err(&spi->dev, "%s panel detect error\n", __func__);
- return r;
- }
-
- memset(&props, 0, sizeof(props));
- props.fb_blank = FB_BLANK_UNBLANK;
- props.power = FB_BLANK_UNBLANK;
- props.type = BACKLIGHT_RAW;
-
- bldev = backlight_device_register("acx565akm", &ddata->spi->dev,
- ddata, &acx565akm_bl_ops, &props);
- if (IS_ERR(bldev))
- return PTR_ERR(bldev);
- ddata->bl_dev = bldev;
- if (ddata->has_cabc) {
- r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
- if (r) {
- dev_err(&bldev->dev,
- "%s failed to create sysfs files\n", __func__);
- goto err_backlight_unregister;
- }
- ddata->cabc_mode = get_hw_cabc_mode(ddata);
- }
-
- max_brightness = 255;
-
- if (ddata->has_bc)
- brightness = acx565akm_get_actual_brightness(ddata);
- else
- brightness = 0;
-
- bldev->props.max_brightness = max_brightness;
- bldev->props.brightness = brightness;
-
- acx565akm_bl_update_status(bldev);
-
-
- ddata->vm = acx565akm_panel_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->ops = &acx565akm_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_SDI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-
-err_backlight_unregister:
- backlight_device_unregister(bldev);
- return r;
-}
-
-static int acx565akm_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- sysfs_remove_group(&ddata->bl_dev->dev.kobj, &bldev_attr_group);
- backlight_device_unregister(ddata->bl_dev);
-
- omapdss_device_unregister(dssdev);
-
- if (omapdss_device_is_enabled(dssdev))
- acx565akm_disable(dssdev);
-
- return 0;
-}
-
-static const struct of_device_id acx565akm_of_match[] = {
- { .compatible = "omapdss,sony,acx565akm", },
- {},
-};
-MODULE_DEVICE_TABLE(of, acx565akm_of_match);
-
-static struct spi_driver acx565akm_driver = {
- .driver = {
- .name = "acx565akm",
- .of_match_table = acx565akm_of_match,
- .suppress_bind_attrs = true,
- },
- .probe = acx565akm_probe,
- .remove = acx565akm_remove,
-};
-
-module_spi_driver(acx565akm_driver);
-
-MODULE_ALIAS("spi:sony,acx565akm");
-MODULE_AUTHOR("Nokia Corporation");
-MODULE_DESCRIPTION("acx565akm LCD Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Toppoly TD028TTEC1 panel support
- *
- * Copyright (C) 2008 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- *
- * Neo 1973 code (jbt6k74.c):
- * Copyright (C) 2006-2007 by OpenMoko, Inc.
- * Author: Harald Welte <laforge@openmoko.org>
- *
- * Ported and adapted from Neo 1973 U-Boot by:
- * H. Nikolaus Schaller <hns@goldelico.com>
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct videomode vm;
-
- struct backlight_device *backlight;
-
- struct spi_device *spi_dev;
-};
-
-static const struct videomode td028ttec1_panel_vm = {
- .hactive = 480,
- .vactive = 640,
- .pixelclock = 22153000,
- .hfront_porch = 24,
- .hsync_len = 8,
- .hback_porch = 8,
- .vfront_porch = 4,
- .vsync_len = 2,
- .vback_porch = 2,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-#define JBT_COMMAND 0x000
-#define JBT_DATA 0x100
-
-static int jbt_ret_write_0(struct panel_drv_data *ddata, u8 reg)
-{
- int rc;
- u16 tx_buf = JBT_COMMAND | reg;
-
- rc = spi_write(ddata->spi_dev, (u8 *)&tx_buf,
- 1*sizeof(u16));
- if (rc != 0)
- dev_err(&ddata->spi_dev->dev,
- "jbt_ret_write_0 spi_write ret %d\n", rc);
-
- return rc;
-}
-
-static int jbt_reg_write_1(struct panel_drv_data *ddata, u8 reg, u8 data)
-{
- int rc;
- u16 tx_buf[2];
-
- tx_buf[0] = JBT_COMMAND | reg;
- tx_buf[1] = JBT_DATA | data;
- rc = spi_write(ddata->spi_dev, (u8 *)tx_buf,
- 2*sizeof(u16));
- if (rc != 0)
- dev_err(&ddata->spi_dev->dev,
- "jbt_reg_write_1 spi_write ret %d\n", rc);
-
- return rc;
-}
-
-static int jbt_reg_write_2(struct panel_drv_data *ddata, u8 reg, u16 data)
-{
- int rc;
- u16 tx_buf[3];
-
- tx_buf[0] = JBT_COMMAND | reg;
- tx_buf[1] = JBT_DATA | (data >> 8);
- tx_buf[2] = JBT_DATA | (data & 0xff);
-
- rc = spi_write(ddata->spi_dev, (u8 *)tx_buf,
- 3*sizeof(u16));
-
- if (rc != 0)
- dev_err(&ddata->spi_dev->dev,
- "jbt_reg_write_2 spi_write ret %d\n", rc);
-
- return rc;
-}
-
-enum jbt_register {
- JBT_REG_SLEEP_IN = 0x10,
- JBT_REG_SLEEP_OUT = 0x11,
-
- JBT_REG_DISPLAY_OFF = 0x28,
- JBT_REG_DISPLAY_ON = 0x29,
-
- JBT_REG_RGB_FORMAT = 0x3a,
- JBT_REG_QUAD_RATE = 0x3b,
-
- JBT_REG_POWER_ON_OFF = 0xb0,
- JBT_REG_BOOSTER_OP = 0xb1,
- JBT_REG_BOOSTER_MODE = 0xb2,
- JBT_REG_BOOSTER_FREQ = 0xb3,
- JBT_REG_OPAMP_SYSCLK = 0xb4,
- JBT_REG_VSC_VOLTAGE = 0xb5,
- JBT_REG_VCOM_VOLTAGE = 0xb6,
- JBT_REG_EXT_DISPL = 0xb7,
- JBT_REG_OUTPUT_CONTROL = 0xb8,
- JBT_REG_DCCLK_DCEV = 0xb9,
- JBT_REG_DISPLAY_MODE1 = 0xba,
- JBT_REG_DISPLAY_MODE2 = 0xbb,
- JBT_REG_DISPLAY_MODE = 0xbc,
- JBT_REG_ASW_SLEW = 0xbd,
- JBT_REG_DUMMY_DISPLAY = 0xbe,
- JBT_REG_DRIVE_SYSTEM = 0xbf,
-
- JBT_REG_SLEEP_OUT_FR_A = 0xc0,
- JBT_REG_SLEEP_OUT_FR_B = 0xc1,
- JBT_REG_SLEEP_OUT_FR_C = 0xc2,
- JBT_REG_SLEEP_IN_LCCNT_D = 0xc3,
- JBT_REG_SLEEP_IN_LCCNT_E = 0xc4,
- JBT_REG_SLEEP_IN_LCCNT_F = 0xc5,
- JBT_REG_SLEEP_IN_LCCNT_G = 0xc6,
-
- JBT_REG_GAMMA1_FINE_1 = 0xc7,
- JBT_REG_GAMMA1_FINE_2 = 0xc8,
- JBT_REG_GAMMA1_INCLINATION = 0xc9,
- JBT_REG_GAMMA1_BLUE_OFFSET = 0xca,
-
- JBT_REG_BLANK_CONTROL = 0xcf,
- JBT_REG_BLANK_TH_TV = 0xd0,
- JBT_REG_CKV_ON_OFF = 0xd1,
- JBT_REG_CKV_1_2 = 0xd2,
- JBT_REG_OEV_TIMING = 0xd3,
- JBT_REG_ASW_TIMING_1 = 0xd4,
- JBT_REG_ASW_TIMING_2 = 0xd5,
-
- JBT_REG_HCLOCK_VGA = 0xec,
- JBT_REG_HCLOCK_QVGA = 0xed,
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int td028ttec1_panel_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void td028ttec1_panel_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static void td028ttec1_panel_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- int r = 0;
-
- dev_dbg(dssdev->dev, "%s: state %d\n", __func__, dssdev->state);
-
- /* three times command zero */
- r |= jbt_ret_write_0(ddata, 0x00);
- usleep_range(1000, 2000);
- r |= jbt_ret_write_0(ddata, 0x00);
- usleep_range(1000, 2000);
- r |= jbt_ret_write_0(ddata, 0x00);
- usleep_range(1000, 2000);
-
- if (r) {
- dev_warn(dssdev->dev, "%s: transfer error\n", __func__);
- return;
- }
-
- /* deep standby out */
- r |= jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x17);
-
- /* RGB I/F on, RAM write off, QVGA through, SIGCON enable */
- r |= jbt_reg_write_1(ddata, JBT_REG_DISPLAY_MODE, 0x80);
-
- /* Quad mode off */
- r |= jbt_reg_write_1(ddata, JBT_REG_QUAD_RATE, 0x00);
-
- /* AVDD on, XVDD on */
- r |= jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x16);
-
- /* Output control */
- r |= jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0xfff9);
-
- /* Sleep mode off */
- r |= jbt_ret_write_0(ddata, JBT_REG_SLEEP_OUT);
-
- /* at this point we have like 50% grey */
-
- /* initialize register set */
- r |= jbt_reg_write_1(ddata, JBT_REG_DISPLAY_MODE1, 0x01);
- r |= jbt_reg_write_1(ddata, JBT_REG_DISPLAY_MODE2, 0x00);
- r |= jbt_reg_write_1(ddata, JBT_REG_RGB_FORMAT, 0x60);
- r |= jbt_reg_write_1(ddata, JBT_REG_DRIVE_SYSTEM, 0x10);
- r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_OP, 0x56);
- r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_MODE, 0x33);
- r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_FREQ, 0x11);
- r |= jbt_reg_write_1(ddata, JBT_REG_BOOSTER_FREQ, 0x11);
- r |= jbt_reg_write_1(ddata, JBT_REG_OPAMP_SYSCLK, 0x02);
- r |= jbt_reg_write_1(ddata, JBT_REG_VSC_VOLTAGE, 0x2b);
- r |= jbt_reg_write_1(ddata, JBT_REG_VCOM_VOLTAGE, 0x40);
- r |= jbt_reg_write_1(ddata, JBT_REG_EXT_DISPL, 0x03);
- r |= jbt_reg_write_1(ddata, JBT_REG_DCCLK_DCEV, 0x04);
- /*
- * default of 0x02 in JBT_REG_ASW_SLEW responsible for 72Hz requirement
- * to avoid red / blue flicker
- */
- r |= jbt_reg_write_1(ddata, JBT_REG_ASW_SLEW, 0x04);
- r |= jbt_reg_write_1(ddata, JBT_REG_DUMMY_DISPLAY, 0x00);
-
- r |= jbt_reg_write_1(ddata, JBT_REG_SLEEP_OUT_FR_A, 0x11);
- r |= jbt_reg_write_1(ddata, JBT_REG_SLEEP_OUT_FR_B, 0x11);
- r |= jbt_reg_write_1(ddata, JBT_REG_SLEEP_OUT_FR_C, 0x11);
- r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_D, 0x2040);
- r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_E, 0x60c0);
- r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_F, 0x1020);
- r |= jbt_reg_write_2(ddata, JBT_REG_SLEEP_IN_LCCNT_G, 0x60c0);
-
- r |= jbt_reg_write_2(ddata, JBT_REG_GAMMA1_FINE_1, 0x5533);
- r |= jbt_reg_write_1(ddata, JBT_REG_GAMMA1_FINE_2, 0x00);
- r |= jbt_reg_write_1(ddata, JBT_REG_GAMMA1_INCLINATION, 0x00);
- r |= jbt_reg_write_1(ddata, JBT_REG_GAMMA1_BLUE_OFFSET, 0x00);
-
- r |= jbt_reg_write_2(ddata, JBT_REG_HCLOCK_VGA, 0x1f0);
- r |= jbt_reg_write_1(ddata, JBT_REG_BLANK_CONTROL, 0x02);
- r |= jbt_reg_write_2(ddata, JBT_REG_BLANK_TH_TV, 0x0804);
-
- r |= jbt_reg_write_1(ddata, JBT_REG_CKV_ON_OFF, 0x01);
- r |= jbt_reg_write_2(ddata, JBT_REG_CKV_1_2, 0x0000);
-
- r |= jbt_reg_write_2(ddata, JBT_REG_OEV_TIMING, 0x0d0e);
- r |= jbt_reg_write_2(ddata, JBT_REG_ASW_TIMING_1, 0x11a4);
- r |= jbt_reg_write_1(ddata, JBT_REG_ASW_TIMING_2, 0x0e);
-
- r |= jbt_ret_write_0(ddata, JBT_REG_DISPLAY_ON);
-
- if (r)
- dev_err(dssdev->dev, "%s: write error\n", __func__);
-
- backlight_enable(ddata->backlight);
-}
-
-static void td028ttec1_panel_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- backlight_disable(ddata->backlight);
-
- dev_dbg(dssdev->dev, "td028ttec1_panel_disable()\n");
-
- jbt_ret_write_0(ddata, JBT_REG_DISPLAY_OFF);
- jbt_reg_write_2(ddata, JBT_REG_OUTPUT_CONTROL, 0x8002);
- jbt_ret_write_0(ddata, JBT_REG_SLEEP_IN);
- jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x00);
-}
-
-static int td028ttec1_panel_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops td028ttec1_ops = {
- .connect = td028ttec1_panel_connect,
- .disconnect = td028ttec1_panel_disconnect,
-
- .enable = td028ttec1_panel_enable,
- .disable = td028ttec1_panel_disable,
-
- .get_modes = td028ttec1_panel_get_modes,
-};
-
-static int td028ttec1_panel_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- int r;
-
- dev_dbg(&spi->dev, "%s\n", __func__);
-
- spi->bits_per_word = 9;
- spi->mode = SPI_MODE_3;
-
- r = spi_setup(spi);
- if (r < 0) {
- dev_err(&spi->dev, "spi_setup failed: %d\n", r);
- return r;
- }
-
- ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- ddata->backlight = devm_of_find_backlight(&spi->dev);
- if (IS_ERR(ddata->backlight))
- return PTR_ERR(ddata->backlight);
-
- dev_set_drvdata(&spi->dev, ddata);
-
- ddata->spi_dev = spi;
-
- ddata->vm = td028ttec1_panel_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->ops = &td028ttec1_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
-
- /*
- * Note: According to the panel documentation:
- * SYNC needs to be driven on the FALLING edge
- */
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int td028ttec1_panel_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__);
-
- omapdss_device_unregister(dssdev);
-
- td028ttec1_panel_disable(dssdev);
-
- return 0;
-}
-
-static const struct of_device_id td028ttec1_of_match[] = {
- { .compatible = "omapdss,tpo,td028ttec1", },
- /* keep to not break older DTB */
- { .compatible = "omapdss,toppoly,td028ttec1", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, td028ttec1_of_match);
-
-static const struct spi_device_id td028ttec1_ids[] = {
- { "toppoly,td028ttec1", 0 },
- { "tpo,td028ttec1", 0},
- { /* sentinel */ }
-};
-
-MODULE_DEVICE_TABLE(spi, td028ttec1_ids);
-
-
-static struct spi_driver td028ttec1_spi_driver = {
- .probe = td028ttec1_panel_probe,
- .remove = td028ttec1_panel_remove,
- .id_table = td028ttec1_ids,
-
- .driver = {
- .name = "panel-tpo-td028ttec1",
- .of_match_table = td028ttec1_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_spi_driver(td028ttec1_spi_driver);
-
-MODULE_AUTHOR("H. Nikolaus Schaller <hns@goldelico.com>");
-MODULE_DESCRIPTION("Toppoly TD028TTEC1 panel driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * TPO TD043MTEA1 Panel driver
- *
- * Author: Gražvydas Ignotas <notasas@gmail.com>
- * Converted to new DSS device model: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/regulator/consumer.h>
-#include <linux/slab.h>
-#include <linux/spi/spi.h>
-
-#include "../dss/omapdss.h"
-
-#define TPO_R02_MODE(x) ((x) & 7)
-#define TPO_R02_MODE_800x480 7
-#define TPO_R02_NCLK_RISING BIT(3)
-#define TPO_R02_HSYNC_HIGH BIT(4)
-#define TPO_R02_VSYNC_HIGH BIT(5)
-
-#define TPO_R03_NSTANDBY BIT(0)
-#define TPO_R03_EN_CP_CLK BIT(1)
-#define TPO_R03_EN_VGL_PUMP BIT(2)
-#define TPO_R03_EN_PWM BIT(3)
-#define TPO_R03_DRIVING_CAP_100 BIT(4)
-#define TPO_R03_EN_PRE_CHARGE BIT(6)
-#define TPO_R03_SOFTWARE_CTL BIT(7)
-
-#define TPO_R04_NFLIP_H BIT(0)
-#define TPO_R04_NFLIP_V BIT(1)
-#define TPO_R04_CP_CLK_FREQ_1H BIT(2)
-#define TPO_R04_VGL_FREQ_1H BIT(4)
-
-#define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
- TPO_R03_EN_VGL_PUMP | TPO_R03_EN_PWM | \
- TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
- TPO_R03_SOFTWARE_CTL)
-
-#define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
- TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
-
-static const u16 tpo_td043_def_gamma[12] = {
- 105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
-};
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct videomode vm;
-
- struct spi_device *spi;
- struct regulator *vcc_reg;
- struct gpio_desc *reset_gpio;
- u16 gamma[12];
- u32 mode;
- u32 vmirror:1;
- u32 powered_on:1;
- u32 spi_suspended:1;
- u32 power_on_resume:1;
-};
-
-static const struct videomode tpo_td043_vm = {
- .hactive = 800,
- .vactive = 480,
-
- .pixelclock = 36000000,
-
- .hsync_len = 1,
- .hfront_porch = 68,
- .hback_porch = 214,
-
- .vsync_len = 1,
- .vfront_porch = 39,
- .vback_porch = 34,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
-{
- struct spi_message m;
- struct spi_transfer xfer;
- u16 w;
- int r;
-
- spi_message_init(&m);
-
- memset(&xfer, 0, sizeof(xfer));
-
- w = ((u16)addr << 10) | (1 << 8) | data;
- xfer.tx_buf = &w;
- xfer.bits_per_word = 16;
- xfer.len = 2;
- spi_message_add_tail(&xfer, &m);
-
- r = spi_sync(spi, &m);
- if (r < 0)
- dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
- return r;
-}
-
-static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
-{
- u8 i, val;
-
- /* gamma bits [9:8] */
- for (val = i = 0; i < 4; i++)
- val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
- tpo_td043_write(spi, 0x11, val);
-
- for (val = i = 0; i < 4; i++)
- val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
- tpo_td043_write(spi, 0x12, val);
-
- for (val = i = 0; i < 4; i++)
- val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
- tpo_td043_write(spi, 0x13, val);
-
- /* gamma bits [7:0] */
- for (val = i = 0; i < 12; i++)
- tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
-}
-
-static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
-{
- u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V |
- TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
- if (h)
- reg4 &= ~TPO_R04_NFLIP_H;
- if (v)
- reg4 &= ~TPO_R04_NFLIP_V;
-
- return tpo_td043_write(spi, 4, reg4);
-}
-
-static ssize_t tpo_td043_vmirror_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ddata->vmirror);
-}
-
-static ssize_t tpo_td043_vmirror_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- int val;
- int ret;
-
- ret = kstrtoint(buf, 0, &val);
- if (ret < 0)
- return ret;
-
- val = !!val;
-
- ret = tpo_td043_write_mirror(ddata->spi, false, val);
- if (ret < 0)
- return ret;
-
- ddata->vmirror = val;
-
- return count;
-}
-
-static ssize_t tpo_td043_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ddata->mode);
-}
-
-static ssize_t tpo_td043_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- long val;
- int ret;
-
- ret = kstrtol(buf, 0, &val);
- if (ret != 0 || val & ~7)
- return -EINVAL;
-
- ddata->mode = val;
-
- val |= TPO_R02_NCLK_RISING;
- tpo_td043_write(ddata->spi, 2, val);
-
- return count;
-}
-
-static ssize_t tpo_td043_gamma_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- ssize_t len = 0;
- int ret;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(ddata->gamma); i++) {
- ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
- ddata->gamma[i]);
- if (ret < 0)
- return ret;
- len += ret;
- }
- buf[len - 1] = '\n';
-
- return len;
-}
-
-static ssize_t tpo_td043_gamma_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- unsigned int g[12];
- int ret;
- int i;
-
- ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
- &g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
- &g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
-
- if (ret != 12)
- return -EINVAL;
-
- for (i = 0; i < 12; i++)
- ddata->gamma[i] = g[i];
-
- tpo_td043_write_gamma(ddata->spi, ddata->gamma);
-
- return count;
-}
-
-static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
- tpo_td043_vmirror_show, tpo_td043_vmirror_store);
-static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
- tpo_td043_mode_show, tpo_td043_mode_store);
-static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
- tpo_td043_gamma_show, tpo_td043_gamma_store);
-
-static struct attribute *tpo_td043_attrs[] = {
- &dev_attr_vmirror.attr,
- &dev_attr_mode.attr,
- &dev_attr_gamma.attr,
- NULL,
-};
-
-static const struct attribute_group tpo_td043_attr_group = {
- .attrs = tpo_td043_attrs,
-};
-
-static int tpo_td043_power_on(struct panel_drv_data *ddata)
-{
- int r;
-
- if (ddata->powered_on)
- return 0;
-
- r = regulator_enable(ddata->vcc_reg);
- if (r != 0)
- return r;
-
- /* wait for panel to stabilize */
- msleep(160);
-
- gpiod_set_value(ddata->reset_gpio, 0);
-
- tpo_td043_write(ddata->spi, 2,
- TPO_R02_MODE(ddata->mode) | TPO_R02_NCLK_RISING);
- tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_NORMAL);
- tpo_td043_write(ddata->spi, 0x20, 0xf0);
- tpo_td043_write(ddata->spi, 0x21, 0xf0);
- tpo_td043_write_mirror(ddata->spi, false, ddata->vmirror);
- tpo_td043_write_gamma(ddata->spi, ddata->gamma);
-
- ddata->powered_on = 1;
- return 0;
-}
-
-static void tpo_td043_power_off(struct panel_drv_data *ddata)
-{
- if (!ddata->powered_on)
- return;
-
- tpo_td043_write(ddata->spi, 3,
- TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
-
- gpiod_set_value(ddata->reset_gpio, 1);
-
- /* wait for at least 2 vsyncs before cutting off power */
- msleep(50);
-
- tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_STANDBY);
-
- regulator_disable(ddata->vcc_reg);
-
- ddata->powered_on = 0;
-}
-
-static int tpo_td043_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void tpo_td043_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static void tpo_td043_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- int r;
-
- /*
- * If we are resuming from system suspend, SPI clocks might not be
- * enabled yet, so we'll program the LCD from SPI PM resume callback.
- */
- if (!ddata->spi_suspended) {
- r = tpo_td043_power_on(ddata);
- if (r) {
- dev_err(&ddata->spi->dev, "%s: power on failed (%d)\n",
- __func__, r);
- return;
- }
- }
-}
-
-static void tpo_td043_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (!ddata->spi_suspended)
- tpo_td043_power_off(ddata);
-}
-
-static int tpo_td043_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops tpo_td043_ops = {
- .connect = tpo_td043_connect,
- .disconnect = tpo_td043_disconnect,
-
- .enable = tpo_td043_enable,
- .disable = tpo_td043_disable,
-
- .get_modes = tpo_td043_get_modes,
-};
-
-static int tpo_td043_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct gpio_desc *gpio;
- int r;
-
- dev_dbg(&spi->dev, "%s\n", __func__);
-
- spi->bits_per_word = 16;
- spi->mode = SPI_MODE_0;
-
- r = spi_setup(spi);
- if (r < 0) {
- dev_err(&spi->dev, "spi_setup failed: %d\n", r);
- return r;
- }
-
- ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- dev_set_drvdata(&spi->dev, ddata);
-
- ddata->spi = spi;
-
- ddata->mode = TPO_R02_MODE_800x480;
- memcpy(ddata->gamma, tpo_td043_def_gamma, sizeof(ddata->gamma));
-
- ddata->vcc_reg = devm_regulator_get(&spi->dev, "vcc");
- if (IS_ERR(ddata->vcc_reg)) {
- dev_err(&spi->dev, "failed to get LCD VCC regulator\n");
- return PTR_ERR(ddata->vcc_reg);
- }
-
- gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(gpio)) {
- dev_err(&spi->dev, "failed to get reset gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->reset_gpio = gpio;
-
- r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group);
- if (r) {
- dev_err(&spi->dev, "failed to create sysfs files\n");
- return r;
- }
-
- ddata->vm = tpo_td043_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->ops = &tpo_td043_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
-
- /*
- * Note: According to the panel documentation:
- * SYNC needs to be driven on the FALLING edge
- */
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int tpo_td043_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- omapdss_device_unregister(dssdev);
-
- if (omapdss_device_is_enabled(dssdev))
- tpo_td043_disable(dssdev);
-
- sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int tpo_td043_spi_suspend(struct device *dev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
-
- dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", ddata);
-
- ddata->power_on_resume = ddata->powered_on;
- tpo_td043_power_off(ddata);
- ddata->spi_suspended = 1;
-
- return 0;
-}
-
-static int tpo_td043_spi_resume(struct device *dev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dev);
- int ret;
-
- dev_dbg(dev, "tpo_td043_spi_resume\n");
-
- if (ddata->power_on_resume) {
- ret = tpo_td043_power_on(ddata);
- if (ret)
- return ret;
- }
- ddata->spi_suspended = 0;
-
- return 0;
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
- tpo_td043_spi_suspend, tpo_td043_spi_resume);
-
-static const struct of_device_id tpo_td043_of_match[] = {
- { .compatible = "omapdss,tpo,td043mtea1", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, tpo_td043_of_match);
-
-static struct spi_driver tpo_td043_spi_driver = {
- .driver = {
- .name = "panel-tpo-td043mtea1",
- .pm = &tpo_td043_spi_pm,
- .of_match_table = tpo_td043_of_match,
- .suppress_bind_attrs = true,
- },
- .probe = tpo_td043_probe,
- .remove = tpo_td043_remove,
-};
-
-module_spi_driver(tpo_td043_spi_driver);
-
-MODULE_ALIAS("spi:tpo,td043mtea1");
-MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>");
-MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
-MODULE_LICENSE("GPL");
static const struct of_device_id omapdss_of_fixups_whitelist[] __initconst = {
{ .compatible = "composite-video-connector" },
{ .compatible = "hdmi-connector" },
- { .compatible = "lgphilips,lb035q02" },
- { .compatible = "nec,nl8048hl11" },
{ .compatible = "panel-dsi-cm" },
- { .compatible = "sharp,ls037v7dw01" },
- { .compatible = "sony,acx565akm" },
{ .compatible = "svideo-connector" },
{ .compatible = "ti,opa362" },
{ .compatible = "ti,tpd12s015" },
- { .compatible = "toppoly,td028ttec1" },
- { .compatible = "tpo,td028ttec1" },
- { .compatible = "tpo,td043mtea1" },
{},
};
projects / platform / kernel / linux-starfive.git / commitdiff