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172 lines
3.2 KiB
172 lines
3.2 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* linux/drivers/video/mmp/panel/tpo_tj032md01bw.c |
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* active panel using spi interface to do init |
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* |
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* Copyright (C) 2012 Marvell Technology Group Ltd. |
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* Authors: Guoqing Li <[email protected]> |
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* Lisa Du <[email protected]> |
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* Zhou Zhu <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/moduleparam.h> |
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#include <linux/kernel.h> |
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#include <linux/errno.h> |
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#include <linux/string.h> |
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#include <linux/delay.h> |
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#include <linux/platform_device.h> |
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#include <linux/err.h> |
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#include <linux/spi/spi.h> |
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#include <video/mmp_disp.h> |
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static u16 init[] = { |
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0x0801, |
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0x0800, |
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0x0200, |
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0x0304, |
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0x040e, |
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0x0903, |
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0x0b18, |
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0x0c53, |
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0x0d01, |
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0x0ee0, |
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0x0f01, |
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0x1058, |
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0x201e, |
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0x210a, |
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0x220a, |
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0x231e, |
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0x2400, |
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0x2532, |
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0x2600, |
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0x27ac, |
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0x2904, |
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0x2aa2, |
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0x2b45, |
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0x2c45, |
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0x2d15, |
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0x2e5a, |
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0x2fff, |
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0x306b, |
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0x310d, |
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0x3248, |
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0x3382, |
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0x34bd, |
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0x35e7, |
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0x3618, |
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0x3794, |
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0x3801, |
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0x395d, |
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0x3aae, |
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0x3bff, |
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0x07c9, |
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}; |
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static u16 poweroff[] = { |
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0x07d9, |
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}; |
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struct tpohvga_plat_data { |
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void (*plat_onoff)(int status); |
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struct spi_device *spi; |
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}; |
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static void tpohvga_onoff(struct mmp_panel *panel, int status) |
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{ |
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struct tpohvga_plat_data *plat = panel->plat_data; |
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int ret; |
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if (status) { |
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plat->plat_onoff(1); |
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ret = spi_write(plat->spi, init, sizeof(init)); |
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if (ret < 0) |
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dev_warn(panel->dev, "init cmd failed(%d)\n", ret); |
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} else { |
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ret = spi_write(plat->spi, poweroff, sizeof(poweroff)); |
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if (ret < 0) |
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dev_warn(panel->dev, "poweroff cmd failed(%d)\n", ret); |
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plat->plat_onoff(0); |
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} |
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} |
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static struct mmp_mode mmp_modes_tpohvga[] = { |
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[0] = { |
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.pixclock_freq = 10394400, |
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.refresh = 60, |
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.xres = 320, |
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.yres = 480, |
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.hsync_len = 10, |
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.left_margin = 15, |
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.right_margin = 10, |
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.vsync_len = 2, |
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.upper_margin = 4, |
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.lower_margin = 2, |
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.invert_pixclock = 1, |
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.pix_fmt_out = PIXFMT_RGB565, |
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}, |
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}; |
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static int tpohvga_get_modelist(struct mmp_panel *panel, |
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struct mmp_mode **modelist) |
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{ |
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*modelist = mmp_modes_tpohvga; |
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return 1; |
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} |
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static struct mmp_panel panel_tpohvga = { |
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.name = "tpohvga", |
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.panel_type = PANELTYPE_ACTIVE, |
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.get_modelist = tpohvga_get_modelist, |
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.set_onoff = tpohvga_onoff, |
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}; |
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static int tpohvga_probe(struct spi_device *spi) |
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{ |
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struct mmp_mach_panel_info *mi; |
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int ret; |
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struct tpohvga_plat_data *plat_data; |
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/* get configs from platform data */ |
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mi = spi->dev.platform_data; |
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if (mi == NULL) { |
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dev_err(&spi->dev, "%s: no platform data defined\n", __func__); |
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return -EINVAL; |
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} |
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/* setup spi related info */ |
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spi->bits_per_word = 16; |
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ret = spi_setup(spi); |
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if (ret < 0) { |
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dev_err(&spi->dev, "spi setup failed %d", ret); |
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return ret; |
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} |
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plat_data = kzalloc(sizeof(*plat_data), GFP_KERNEL); |
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if (plat_data == NULL) |
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return -ENOMEM; |
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plat_data->spi = spi; |
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plat_data->plat_onoff = mi->plat_set_onoff; |
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panel_tpohvga.plat_data = plat_data; |
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panel_tpohvga.plat_path_name = mi->plat_path_name; |
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panel_tpohvga.dev = &spi->dev; |
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mmp_register_panel(&panel_tpohvga); |
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return 0; |
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} |
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static struct spi_driver panel_tpohvga_driver = { |
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.driver = { |
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.name = "tpo-hvga", |
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}, |
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.probe = tpohvga_probe, |
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}; |
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module_spi_driver(panel_tpohvga_driver); |
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MODULE_AUTHOR("Lisa Du<[email protected]>"); |
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MODULE_DESCRIPTION("Panel driver for tpohvga"); |
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MODULE_LICENSE("GPL");
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