diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c | 511 |
1 files changed, 0 insertions, 511 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c b/drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c deleted file mode 100644 index 4d657f3ab679..000000000000 --- a/drivers/video/fbdev/omap2/displays-new/panel-tpo-td028ttec1.c +++ /dev/null @@ -1,511 +0,0 @@ -/* - * Toppoly TD028TTEC1 panel support - * - * Copyright (C) 2008 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.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> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/spi/spi.h> -#include <linux/gpio.h> -#include <video/omapdss.h> -#include <video/omap-panel-data.h> - -struct panel_drv_data { - struct omap_dss_device dssdev; - struct omap_dss_device *in; - - int data_lines; - - struct omap_video_timings videomode; - - struct spi_device *spi_dev; -}; - -static struct omap_video_timings td028ttec1_panel_timings = { - .x_res = 480, - .y_res = 640, - .pixelclock = 22153000, - .hfp = 24, - .hsw = 8, - .hbp = 8, - .vfp = 4, - .vsw = 2, - .vbp = 2, - - .vsync_level = OMAPDSS_SIG_ACTIVE_LOW, - .hsync_level = OMAPDSS_SIG_ACTIVE_LOW, - - .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE, - .de_level = OMAPDSS_SIG_ACTIVE_HIGH, - .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, -}; - -#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 *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - r = in->ops.dpi->connect(in, dssdev); - if (r) - return r; - - return 0; -} - -static void td028ttec1_panel_disconnect(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); -} - -static int td028ttec1_panel_enable(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - int r; - - if (!omapdss_device_is_connected(dssdev)) - return -ENODEV; - - if (omapdss_device_is_enabled(dssdev)) - return 0; - - if (ddata->data_lines) - in->ops.dpi->set_data_lines(in, ddata->data_lines); - in->ops.dpi->set_timings(in, &ddata->videomode); - - r = in->ops.dpi->enable(in); - if (r) - return r; - - dev_dbg(dssdev->dev, "td028ttec1_panel_enable() - state %d\n", - 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, "transfer error\n"); - goto transfer_err; - } - - /* 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); - - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - -transfer_err: - - return r ? -EIO : 0; -} - -static void td028ttec1_panel_disable(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_enabled(dssdev)) - return; - - 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); - - in->ops.dpi->disable(in); - - dssdev->state = OMAP_DSS_DISPLAY_DISABLED; -} - -static void td028ttec1_panel_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->videomode = *timings; - dssdev->panel.timings = *timings; - - in->ops.dpi->set_timings(in, timings); -} - -static void td028ttec1_panel_get_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *timings = ddata->videomode; -} - -static int td028ttec1_panel_check_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, timings); -} - -static struct omap_dss_driver td028ttec1_ops = { - .connect = td028ttec1_panel_connect, - .disconnect = td028ttec1_panel_disconnect, - - .enable = td028ttec1_panel_enable, - .disable = td028ttec1_panel_disable, - - .set_timings = td028ttec1_panel_set_timings, - .get_timings = td028ttec1_panel_get_timings, - .check_timings = td028ttec1_panel_check_timings, -}; - -static int td028ttec1_panel_probe_pdata(struct spi_device *spi) -{ - const struct panel_tpo_td028ttec1_platform_data *pdata; - struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct omap_dss_device *dssdev, *in; - - pdata = dev_get_platdata(&spi->dev); - - in = omap_dss_find_output(pdata->source); - if (in == NULL) { - dev_err(&spi->dev, "failed to find video source '%s'\n", - pdata->source); - return -EPROBE_DEFER; - } - - ddata->in = in; - - ddata->data_lines = pdata->data_lines; - - dssdev = &ddata->dssdev; - dssdev->name = pdata->name; - - return 0; -} - -static int td028ttec1_probe_of(struct spi_device *spi) -{ - struct device_node *node = spi->dev.of_node; - struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct omap_dss_device *in; - - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&spi->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - - return 0; -} - -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; - - dev_set_drvdata(&spi->dev, ddata); - - ddata->spi_dev = spi; - - if (dev_get_platdata(&spi->dev)) { - r = td028ttec1_panel_probe_pdata(spi); - if (r) - return r; - } else if (spi->dev.of_node) { - r = td028ttec1_probe_of(spi); - if (r) - return r; - } else { - return -ENODEV; - } - - ddata->videomode = td028ttec1_panel_timings; - - dssdev = &ddata->dssdev; - dssdev->dev = &spi->dev; - dssdev->driver = &td028ttec1_ops; - dssdev->type = OMAP_DISPLAY_TYPE_DPI; - dssdev->owner = THIS_MODULE; - dssdev->panel.timings = ddata->videomode; - dssdev->phy.dpi.data_lines = ddata->data_lines; - - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&spi->dev, "Failed to register panel\n"); - goto err_reg; - } - - return 0; - -err_reg: - omap_dss_put_device(ddata->in); - return r; -} - -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; - struct omap_dss_device *in = ddata->in; - - dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__); - - omapdss_unregister_display(dssdev); - - td028ttec1_panel_disable(dssdev); - td028ttec1_panel_disconnect(dssdev); - - omap_dss_put_device(in); - - return 0; -} - -static const struct of_device_id td028ttec1_of_match[] = { - { .compatible = "omapdss,toppoly,td028ttec1", }, - {}, -}; - -MODULE_DEVICE_TABLE(of, td028ttec1_of_match); - -static struct spi_driver td028ttec1_spi_driver = { - .probe = td028ttec1_panel_probe, - .remove = td028ttec1_panel_remove, - - .driver = { - .name = "panel-tpo-td028ttec1", - .of_match_table = td028ttec1_of_match, - .suppress_bind_attrs = true, - }, -}; - -module_spi_driver(td028ttec1_spi_driver); - -MODULE_ALIAS("spi:toppoly,td028ttec1"); -MODULE_AUTHOR("H. Nikolaus Schaller <hns@goldelico.com>"); -MODULE_DESCRIPTION("Toppoly TD028TTEC1 panel driver"); -MODULE_LICENSE("GPL"); |