diff options
| -rw-r--r-- | drivers/video/omap2/displays-new/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/video/omap2/displays-new/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/omap2/displays-new/panel-dpi.c | 270 | ||||
| -rw-r--r-- | include/video/omap-panel-data.h | 23 |
4 files changed, 299 insertions, 0 deletions
diff --git a/drivers/video/omap2/displays-new/Kconfig b/drivers/video/omap2/displays-new/Kconfig index 532663814532..cc62a7614f7f 100644 --- a/drivers/video/omap2/displays-new/Kconfig +++ b/drivers/video/omap2/displays-new/Kconfig | |||
| @@ -28,4 +28,9 @@ config DISPLAY_CONNECTOR_ANALOG_TV | |||
| 28 | help | 28 | help |
| 29 | Driver for a generic analog TV connector. | 29 | Driver for a generic analog TV connector. |
| 30 | 30 | ||
| 31 | config DISPLAY_PANEL_DPI | ||
| 32 | tristate "Generic DPI panel" | ||
| 33 | help | ||
| 34 | Driver for generic DPI panels. | ||
| 35 | |||
| 31 | endmenu | 36 | endmenu |
diff --git a/drivers/video/omap2/displays-new/Makefile b/drivers/video/omap2/displays-new/Makefile index 083bf0895573..45a8037b6909 100644 --- a/drivers/video/omap2/displays-new/Makefile +++ b/drivers/video/omap2/displays-new/Makefile | |||
| @@ -3,3 +3,4 @@ obj-$(CONFIG_DISPLAY_ENCODER_TPD12S015) += encoder-tpd12s015.o | |||
| 3 | obj-$(CONFIG_DISPLAY_CONNECTOR_DVI) += connector-dvi.o | 3 | obj-$(CONFIG_DISPLAY_CONNECTOR_DVI) += connector-dvi.o |
| 4 | obj-$(CONFIG_DISPLAY_CONNECTOR_HDMI) += connector-hdmi.o | 4 | obj-$(CONFIG_DISPLAY_CONNECTOR_HDMI) += connector-hdmi.o |
| 5 | obj-$(CONFIG_DISPLAY_CONNECTOR_ANALOG_TV) += connector-analog-tv.o | 5 | obj-$(CONFIG_DISPLAY_CONNECTOR_ANALOG_TV) += connector-analog-tv.o |
| 6 | obj-$(CONFIG_DISPLAY_PANEL_DPI) += panel-dpi.o | ||
diff --git a/drivers/video/omap2/displays-new/panel-dpi.c b/drivers/video/omap2/displays-new/panel-dpi.c new file mode 100644 index 000000000000..5f8f7e7c81ef --- /dev/null +++ b/drivers/video/omap2/displays-new/panel-dpi.c | |||
| @@ -0,0 +1,270 @@ | |||
| 1 | /* | ||
| 2 | * Generic MIPI DPI Panel Driver | ||
| 3 | * | ||
| 4 | * Copyright (C) 2013 Texas Instruments | ||
| 5 | * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License version 2 as published by | ||
| 9 | * the Free Software Foundation. | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include <linux/gpio.h> | ||
| 13 | #include <linux/module.h> | ||
| 14 | #include <linux/platform_device.h> | ||
| 15 | #include <linux/slab.h> | ||
| 16 | |||
| 17 | #include <video/omapdss.h> | ||
| 18 | #include <video/omap-panel-data.h> | ||
| 19 | |||
| 20 | struct panel_drv_data { | ||
| 21 | struct omap_dss_device dssdev; | ||
| 22 | struct omap_dss_device *in; | ||
| 23 | |||
| 24 | int data_lines; | ||
| 25 | |||
| 26 | struct omap_video_timings videomode; | ||
| 27 | |||
| 28 | int backlight_gpio; | ||
| 29 | int enable_gpio; | ||
| 30 | }; | ||
| 31 | |||
| 32 | #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) | ||
| 33 | |||
| 34 | static int panel_dpi_connect(struct omap_dss_device *dssdev) | ||
| 35 | { | ||
| 36 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 37 | struct omap_dss_device *in = ddata->in; | ||
| 38 | int r; | ||
| 39 | |||
| 40 | if (omapdss_device_is_connected(dssdev)) | ||
| 41 | return 0; | ||
| 42 | |||
| 43 | r = in->ops.dpi->connect(in, dssdev); | ||
| 44 | if (r) | ||
| 45 | return r; | ||
| 46 | |||
| 47 | return 0; | ||
| 48 | } | ||
| 49 | |||
| 50 | static void panel_dpi_disconnect(struct omap_dss_device *dssdev) | ||
| 51 | { | ||
| 52 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 53 | struct omap_dss_device *in = ddata->in; | ||
| 54 | |||
| 55 | if (!omapdss_device_is_connected(dssdev)) | ||
| 56 | return; | ||
| 57 | |||
| 58 | in->ops.dpi->disconnect(in, dssdev); | ||
| 59 | } | ||
| 60 | |||
| 61 | static int panel_dpi_enable(struct omap_dss_device *dssdev) | ||
| 62 | { | ||
| 63 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 64 | struct omap_dss_device *in = ddata->in; | ||
| 65 | int r; | ||
| 66 | |||
| 67 | if (!omapdss_device_is_connected(dssdev)) | ||
| 68 | return -ENODEV; | ||
| 69 | |||
| 70 | if (omapdss_device_is_enabled(dssdev)) | ||
| 71 | return 0; | ||
| 72 | |||
| 73 | in->ops.dpi->set_data_lines(in, ddata->data_lines); | ||
| 74 | in->ops.dpi->set_timings(in, &ddata->videomode); | ||
| 75 | |||
| 76 | r = in->ops.dpi->enable(in); | ||
| 77 | if (r) | ||
| 78 | return r; | ||
| 79 | |||
| 80 | if (gpio_is_valid(ddata->enable_gpio)) | ||
| 81 | gpio_set_value_cansleep(ddata->enable_gpio, 1); | ||
| 82 | |||
| 83 | if (gpio_is_valid(ddata->backlight_gpio)) | ||
| 84 | gpio_set_value_cansleep(ddata->backlight_gpio, 1); | ||
| 85 | |||
| 86 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; | ||
| 87 | |||
| 88 | return 0; | ||
| 89 | } | ||
| 90 | |||
| 91 | static void panel_dpi_disable(struct omap_dss_device *dssdev) | ||
| 92 | { | ||
| 93 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 94 | struct omap_dss_device *in = ddata->in; | ||
| 95 | |||
| 96 | if (!omapdss_device_is_enabled(dssdev)) | ||
| 97 | return; | ||
| 98 | |||
| 99 | if (gpio_is_valid(ddata->enable_gpio)) | ||
| 100 | gpio_set_value_cansleep(ddata->enable_gpio, 0); | ||
| 101 | |||
| 102 | if (gpio_is_valid(ddata->backlight_gpio)) | ||
| 103 | gpio_set_value_cansleep(ddata->backlight_gpio, 0); | ||
| 104 | |||
| 105 | in->ops.dpi->disable(in); | ||
| 106 | |||
| 107 | dssdev->state = OMAP_DSS_DISPLAY_DISABLED; | ||
| 108 | } | ||
| 109 | |||
| 110 | static void panel_dpi_set_timings(struct omap_dss_device *dssdev, | ||
| 111 | struct omap_video_timings *timings) | ||
| 112 | { | ||
| 113 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 114 | struct omap_dss_device *in = ddata->in; | ||
| 115 | |||
| 116 | ddata->videomode = *timings; | ||
| 117 | dssdev->panel.timings = *timings; | ||
| 118 | |||
| 119 | in->ops.dpi->set_timings(in, timings); | ||
| 120 | } | ||
| 121 | |||
| 122 | static void panel_dpi_get_timings(struct omap_dss_device *dssdev, | ||
| 123 | struct omap_video_timings *timings) | ||
| 124 | { | ||
| 125 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 126 | |||
| 127 | *timings = ddata->videomode; | ||
| 128 | } | ||
| 129 | |||
| 130 | static int panel_dpi_check_timings(struct omap_dss_device *dssdev, | ||
| 131 | struct omap_video_timings *timings) | ||
| 132 | { | ||
| 133 | struct panel_drv_data *ddata = to_panel_data(dssdev); | ||
| 134 | struct omap_dss_device *in = ddata->in; | ||
| 135 | |||
| 136 | return in->ops.dpi->check_timings(in, timings); | ||
| 137 | } | ||
| 138 | |||
| 139 | static struct omap_dss_driver panel_dpi_ops = { | ||
| 140 | .connect = panel_dpi_connect, | ||
| 141 | .disconnect = panel_dpi_disconnect, | ||
| 142 | |||
| 143 | .enable = panel_dpi_enable, | ||
| 144 | .disable = panel_dpi_disable, | ||
| 145 | |||
| 146 | .set_timings = panel_dpi_set_timings, | ||
| 147 | .get_timings = panel_dpi_get_timings, | ||
| 148 | .check_timings = panel_dpi_check_timings, | ||
| 149 | |||
| 150 | .get_resolution = omapdss_default_get_resolution, | ||
| 151 | }; | ||
| 152 | |||
| 153 | static int panel_dpi_probe_pdata(struct platform_device *pdev) | ||
| 154 | { | ||
| 155 | const struct panel_dpi_platform_data *pdata; | ||
| 156 | struct panel_drv_data *ddata = platform_get_drvdata(pdev); | ||
| 157 | struct omap_dss_device *dssdev, *in; | ||
| 158 | struct videomode vm; | ||
| 159 | |||
| 160 | pdata = dev_get_platdata(&pdev->dev); | ||
| 161 | |||
| 162 | in = omap_dss_find_output(pdata->source); | ||
| 163 | if (in == NULL) { | ||
| 164 | dev_err(&pdev->dev, "failed to find video source '%s'\n", | ||
| 165 | pdata->source); | ||
| 166 | return -EPROBE_DEFER; | ||
