diff options
Diffstat (limited to 'drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c')
| -rw-r--r-- | drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c deleted file mode 100644 index 6b9f7925e918..000000000000 --- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * Support for NEC-nl8048hl11-01b panel driver - * - * Copyright (C) 2010 Texas Instruments Inc. - * Author: Erik Gilling <konkers@android.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/fb.h> -#include <linux/gpio.h> - -#include <video/omapdss.h> -#include <video/omap-panel-data.h> - -#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 23800 - -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 }, -}; - -/* - * NEC NL8048HL11-01B Manual - * defines HFB, HSW, HBP, VFP, VSW, VBP as shown below - */ - -static struct omap_video_timings nec_8048_panel_timings = { - /* 800 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */ - .x_res = LCD_XRES, - .y_res = LCD_YRES, - .pixel_clock = LCD_PIXEL_CLOCK, - .hfp = 6, - .hsw = 1, - .hbp = 4, - .vfp = 3, - .vsw = 1, - .vbp = 4, - - .vsync_level = OMAPDSS_SIG_ACTIVE_LOW, - .hsync_level = OMAPDSS_SIG_ACTIVE_LOW, - .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, - .de_level = OMAPDSS_SIG_ACTIVE_HIGH, - .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, -}; - -static inline struct panel_nec_nl8048_data -*get_panel_data(const struct omap_dss_device *dssdev) -{ - return (struct panel_nec_nl8048_data *) dssdev->data; -} - -static int nec_8048_panel_probe(struct omap_dss_device *dssdev) -{ - struct panel_nec_nl8048_data *pd = get_panel_data(dssdev); - int r; - - if (!pd) - return -EINVAL; - - dssdev->panel.timings = nec_8048_panel_timings; - - if (gpio_is_valid(pd->qvga_gpio)) { - r = devm_gpio_request_one(dssdev->dev, pd->qvga_gpio, - GPIOF_OUT_INIT_HIGH, "lcd QVGA"); - if (r) - return r; - } - - if (gpio_is_valid(pd->res_gpio)) { - r = devm_gpio_request_one(dssdev->dev, pd->res_gpio, - GPIOF_OUT_INIT_LOW, "lcd RES"); - if (r) - return r; - } - - return 0; -} - -static void nec_8048_panel_remove(struct omap_dss_device *dssdev) -{ -} - -static int nec_8048_panel_power_on(struct omap_dss_device *dssdev) -{ - struct panel_nec_nl8048_data *pd = get_panel_data(dssdev); - int r; - - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) - return 0; - - omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings); - omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines); - - r = omapdss_dpi_display_enable(dssdev); - if (r) - goto err0; - - if (gpio_is_valid(pd->res_gpio)) - gpio_set_value_cansleep(pd->res_gpio, 1); - - return 0; - -err0: - return r; -} - -static void nec_8048_panel_power_off(struct omap_dss_device *dssdev) -{ - struct panel_nec_nl8048_data *pd = get_panel_data(dssdev); - - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) - return; - - if (gpio_is_valid(pd->res_gpio)) - gpio_set_value_cansleep(pd->res_gpio, 0); - - omapdss_dpi_display_disable(dssdev); -} - -static int nec_8048_panel_enable(struct omap_dss_device *dssdev) -{ - int r; - - r = nec_8048_panel_power_on(dssdev); - if (r) - return r; - - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - - return 0; -} - -static void nec_8048_panel_disable(struct omap_dss_device *dssdev) -{ - nec_8048_panel_power_off(dssdev); - - dssdev->state = OMAP_DSS_DISPLAY_DISABLED; -} - -static int nec_8048_recommended_bpp(struct omap_dss_device *dssdev) -{ - return 16; -} - -static struct omap_dss_driver nec_8048_driver = { - .probe = nec_8048_panel_probe, - .remove = nec_8048_panel_remove, - .enable = nec_8048_panel_enable, - .disable = nec_8048_panel_disable, - .get_recommended_bpp = nec_8048_recommended_bpp, - - .driver = { - .name = "NEC_8048_panel", - .owner = THIS_MODULE, - }, -}; - -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_spi_probe(struct spi_device *spi) -{ - spi->mode = SPI_MODE_0; - spi->bits_per_word = 32; - spi_setup(spi); - - init_nec_8048_wvga_lcd(spi); - - return omap_dss_register_driver(&nec_8048_driver); -} - -static int nec_8048_spi_remove(struct spi_device *spi) -{ - omap_dss_unregister_driver(&nec_8048_driver); - - return 0; -} - -#ifdef CONFIG_PM_SLEEP - -static int nec_8048_spi_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_spi_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_spi_pm_ops, nec_8048_spi_suspend, - nec_8048_spi_resume); -#define NEC_8048_SPI_PM_OPS (&nec_8048_spi_pm_ops) -#else -#define NEC_8048_SPI_PM_OPS NULL -#endif - -static struct spi_driver nec_8048_spi_driver = { - .probe = nec_8048_spi_probe, - .remove = nec_8048_spi_remove, - .driver = { - .name = "nec_8048_spi", - .owner = THIS_MODULE, - .pm = NEC_8048_SPI_PM_OPS, - }, -}; - -module_spi_driver(nec_8048_spi_driver); - -MODULE_AUTHOR("Erik Gilling <konkers@android.com>"); -MODULE_DESCRIPTION("NEC-nl8048hl11-01b Driver"); -MODULE_LICENSE("GPL"); |