[PATCH 04/25] OMAPDSS: TFP410: rename dvi files to tfp410
From: Tomi Valkeinen <hidden>
Date: 2012-05-03 13:57:40
Also in:
linux-omap
Subsystem:
arm port, framebuffer layer, omap2+ support, the rest · Maintainers:
Russell King, Helge Deller, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
Now that the tfp410 driver has been renamed in the code, this patch finishes the renaming by renaming the files. Signed-off-by: Tomi Valkeinen <redacted> --- arch/arm/mach-omap2/board-3430sdp.c | 2 +- arch/arm/mach-omap2/board-am3517evm.c | 2 +- arch/arm/mach-omap2/board-cm-t35.c | 2 +- arch/arm/mach-omap2/board-devkit8000.c | 2 +- arch/arm/mach-omap2/board-igep0020.c | 2 +- arch/arm/mach-omap2/board-omap3beagle.c | 2 +- arch/arm/mach-omap2/board-omap3evm.c | 2 +- arch/arm/mach-omap2/board-omap3stalker.c | 2 +- arch/arm/mach-omap2/board-omap4panda.c | 2 +- arch/arm/mach-omap2/board-overo.c | 2 +- drivers/video/omap2/displays/Makefile | 2 +- drivers/video/omap2/displays/panel-dvi.c | 381 --------------------------- drivers/video/omap2/displays/panel-tfp410.c | 381 +++++++++++++++++++++++++++ include/video/omap-panel-dvi.h | 35 --- include/video/omap-panel-tfp410.h | 35 +++ 15 files changed, 427 insertions(+), 427 deletions(-) delete mode 100644 drivers/video/omap2/displays/panel-dvi.c create mode 100644 drivers/video/omap2/displays/panel-tfp410.c delete mode 100644 include/video/omap-panel-dvi.h create mode 100644 include/video/omap-panel-tfp410.h
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 2a26d62..37abb0d 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c@@ -37,7 +37,7 @@ #include <plat/dma.h> #include <plat/gpmc.h> #include <video/omapdss.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/gpmc-smc91x.h>
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index feecc96..99790eb 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c@@ -37,7 +37,7 @@ #include <plat/usb.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include "am35xx-emac.h" #include "mux.h"
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 9e8efe9..45746cb 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c@@ -44,7 +44,7 @@ #include <plat/usb.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/mcspi.h> #include <mach/hardware.h>
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 5ea88f5..b063f0d 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c@@ -47,7 +47,7 @@ #include <plat/usb.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/mcspi.h> #include <linux/input/matrix_keypad.h>
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index bf87f17..04816c9 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c@@ -32,7 +32,7 @@ #include <plat/gpmc.h> #include <plat/usb.h> #include <video/omapdss.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/onenand.h> #include "mux.h"
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 1795967..8ede8d2 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c@@ -42,7 +42,7 @@ #include <plat/board.h> #include "common.h" #include <video/omapdss.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h>
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 9cb0d08..9919d6c 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c@@ -46,7 +46,7 @@ #include "common.h" #include <plat/mcspi.h> #include <video/omapdss.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h"
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index a9acf96..4396bae 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c@@ -42,7 +42,7 @@ #include <plat/usb.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/mcspi.h> #include <linux/input/matrix_keypad.h>
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index e1f19b2..b26cd15 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c@@ -42,7 +42,7 @@ #include "common.h" #include <plat/usb.h> #include <plat/mmc.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include "hsmmc.h" #include "control.h"
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index aa83d46..5527c19 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c@@ -46,7 +46,7 @@ #include "common.h" #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> -#include <video/omap-panel-dvi.h> +#include <video/omap-panel-tfp410.h> #include <plat/gpmc.h> #include <mach/hardware.h> #include <plat/nand.h>
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
index 58905ef0..58a5176 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile@@ -1,5 +1,5 @@ obj-$(CONFIG_PANEL_GENERIC_DPI) += panel-generic-dpi.o -obj-$(CONFIG_PANEL_TFP410) += panel-dvi.o +obj-$(CONFIG_PANEL_TFP410) += panel-tfp410.o obj-$(CONFIG_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o obj-$(CONFIG_PANEL_NEC_NL8048HL11_01B) += panel-nec-nl8048hl11-01b.o
diff --git a/drivers/video/omap2/displays/panel-dvi.c b/drivers/video/omap2/displays/panel-dvi.c
deleted file mode 100644
index e6d6849..0000000
--- a/drivers/video/omap2/displays/panel-dvi.c
+++ /dev/null@@ -1,381 +0,0 @@ -/* - * TFP410 DPI-to-DVI chip - * - * Copyright (C) 2011 Texas Instruments Inc - * Author: Tomi Valkeinen <tomi.valkeinen@ti.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/slab.h> -#include <video/omapdss.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <drm/drm_edid.h> - -#include <video/omap-panel-dvi.h> - -static const struct omap_video_timings tfp410_default_timings = { - .x_res = 640, - .y_res = 480, - - .pixel_clock = 23500, - - .hfp = 48, - .hsw = 32, - .hbp = 80, - - .vfp = 3, - .vsw = 4, - .vbp = 7, -}; - -struct panel_drv_data { - struct omap_dss_device *dssdev; - - struct mutex lock; - - int pd_gpio; -}; - -static inline struct tfp410_platform_data -*get_pdata(const struct omap_dss_device *dssdev) -{ - return dssdev->data; -} - -static int tfp410_power_on(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - int r; - - if (dssdev->state = OMAP_DSS_DISPLAY_ACTIVE) - return 0; - - r = omapdss_dpi_display_enable(dssdev); - if (r) - goto err0; - - if (gpio_is_valid(ddata->pd_gpio)) - gpio_set_value(ddata->pd_gpio, 1); - - return 0; -err0: - return r; -} - -static void tfp410_power_off(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) - return; - - if (gpio_is_valid(ddata->pd_gpio)) - gpio_set_value(ddata->pd_gpio, 0); - - omapdss_dpi_display_disable(dssdev); -} - -static int tfp410_probe(struct omap_dss_device *dssdev) -{ - struct tfp410_platform_data *pdata = get_pdata(dssdev); - struct panel_drv_data *ddata; - int r; - - ddata = kzalloc(sizeof(*ddata), GFP_KERNEL); - if (!ddata) - return -ENOMEM; - - dssdev->panel.timings = tfp410_default_timings; - dssdev->panel.config = OMAP_DSS_LCD_TFT; - - ddata->dssdev = dssdev; - mutex_init(&ddata->lock); - - if (pdata) - ddata->pd_gpio = pdata->power_down_gpio; - else - ddata->pd_gpio = -1; - - if (gpio_is_valid(ddata->pd_gpio)) { - r = gpio_request_one(ddata->pd_gpio, GPIOF_OUT_INIT_LOW, - "tfp410 pd"); - if (r) { - dev_err(&dssdev->dev, "Failed to request PD GPIO %d\n", - ddata->pd_gpio); - ddata->pd_gpio = -1; - } - } - - dev_set_drvdata(&dssdev->dev, ddata); - - return 0; -} - -static void __exit tfp410_remove(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - - mutex_lock(&ddata->lock); - - if (gpio_is_valid(ddata->pd_gpio)) - gpio_free(ddata->pd_gpio); - - dev_set_drvdata(&dssdev->dev, NULL); - - mutex_unlock(&ddata->lock); - - kfree(ddata); -} - -static int tfp410_enable(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&ddata->lock); - - r = tfp410_power_on(dssdev); - if (r = 0) - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - - mutex_unlock(&ddata->lock); - - return r; -} - -static void tfp410_disable(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - - mutex_lock(&ddata->lock); - - tfp410_power_off(dssdev); - - dssdev->state = OMAP_DSS_DISPLAY_DISABLED; - - mutex_unlock(&ddata->lock); -} - -static int tfp410_suspend(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - - mutex_lock(&ddata->lock); - - tfp410_power_off(dssdev); - - dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; - - mutex_unlock(&ddata->lock); - - return 0; -} - -static int tfp410_resume(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&ddata->lock); - - r = tfp410_power_on(dssdev); - if (r = 0) - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - - mutex_unlock(&ddata->lock); - - return r; -} - -static void tfp410_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - - mutex_lock(&ddata->lock); - dpi_set_timings(dssdev, timings); - mutex_unlock(&ddata->lock); -} - -static void tfp410_get_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - - mutex_lock(&ddata->lock); - *timings = dssdev->panel.timings; - mutex_unlock(&ddata->lock); -} - -static int tfp410_check_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&ddata->lock); - r = dpi_check_timings(dssdev, timings); - mutex_unlock(&ddata->lock); - - return r; -} - - -static int tfp410_ddc_read(struct i2c_adapter *adapter, - unsigned char *buf, u16 count, u8 offset) -{ - int r, retries; - - for (retries = 3; retries > 0; retries--) { - struct i2c_msg msgs[] = { - { - .addr = DDC_ADDR, - .flags = 0, - .len = 1, - .buf = &offset, - }, { - .addr = DDC_ADDR, - .flags = I2C_M_RD, - .len = count, - .buf = buf, - } - }; - - r = i2c_transfer(adapter, msgs, 2); - if (r = 2) - return 0; - - if (r != -EAGAIN) - break; - } - - return r < 0 ? r : -EIO; -} - -static int tfp410_read_edid(struct omap_dss_device *dssdev, - u8 *edid, int len) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - struct tfp410_platform_data *pdata = get_pdata(dssdev); - struct i2c_adapter *adapter; - int r, l, bytes_read; - - mutex_lock(&ddata->lock); - - if (pdata->i2c_bus_num = 0) { - r = -ENODEV; - goto err; - } - - adapter = i2c_get_adapter(pdata->i2c_bus_num); - if (!adapter) { - dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n", - pdata->i2c_bus_num); - r = -EINVAL; - goto err; - } - - l = min(EDID_LENGTH, len); - r = tfp410_ddc_read(adapter, edid, l, 0); - if (r) - goto err; - - bytes_read = l; - - /* if there are extensions, read second block */ - if (len > EDID_LENGTH && edid[0x7e] > 0) { - l = min(EDID_LENGTH, len - EDID_LENGTH); - - r = tfp410_ddc_read(adapter, edid + EDID_LENGTH, - l, EDID_LENGTH); - if (r) - goto err; - - bytes_read += l; - } - - mutex_unlock(&ddata->lock); - - return bytes_read; - -err: - mutex_unlock(&ddata->lock); - return r; -} - -static bool tfp410_detect(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); - struct tfp410_platform_data *pdata = get_pdata(dssdev); - struct i2c_adapter *adapter; - unsigned char out; - int r; - - mutex_lock(&ddata->lock); - - if (pdata->i2c_bus_num = 0) - goto out; - - adapter = i2c_get_adapter(pdata->i2c_bus_num); - if (!adapter) - goto out; - - r = tfp410_ddc_read(adapter, &out, 1, 0); - - mutex_unlock(&ddata->lock); - - return r = 0; - -out: - mutex_unlock(&ddata->lock); - return true; -} - -static struct omap_dss_driver tfp410_driver = { - .probe = tfp410_probe, - .remove = __exit_p(tfp410_remove), - - .enable = tfp410_enable, - .disable = tfp410_disable, - .suspend = tfp410_suspend, - .resume = tfp410_resume, - - .set_timings = tfp410_set_timings, - .get_timings = tfp410_get_timings, - .check_timings = tfp410_check_timings, - - .read_edid = tfp410_read_edid, - .detect = tfp410_detect, - - .driver = { - .name = "tfp410", - .owner = THIS_MODULE, - }, -}; - -static int __init tfp410_init(void) -{ - return omap_dss_register_driver(&tfp410_driver); -} - -static void __exit tfp410_exit(void) -{ - omap_dss_unregister_driver(&tfp410_driver); -} - -module_init(tfp410_init); -module_exit(tfp410_exit); -MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-tfp410.c b/drivers/video/omap2/displays/panel-tfp410.c
new file mode 100644
index 0000000..52637fa
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-tfp410.c@@ -0,0 +1,381 @@ +/* + * TFP410 DPI-to-DVI chip + * + * Copyright (C) 2011 Texas Instruments Inc + * Author: Tomi Valkeinen <tomi.valkeinen@ti.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/slab.h> +#include <video/omapdss.h> +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <drm/drm_edid.h> + +#include <video/omap-panel-tfp410.h> + +static const struct omap_video_timings tfp410_default_timings = { + .x_res = 640, + .y_res = 480, + + .pixel_clock = 23500, + + .hfp = 48, + .hsw = 32, + .hbp = 80, + + .vfp = 3, + .vsw = 4, + .vbp = 7, +}; + +struct panel_drv_data { + struct omap_dss_device *dssdev; + + struct mutex lock; + + int pd_gpio; +}; + +static inline struct tfp410_platform_data +*get_pdata(const struct omap_dss_device *dssdev) +{ + return dssdev->data; +} + +static int tfp410_power_on(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + int r; + + if (dssdev->state = OMAP_DSS_DISPLAY_ACTIVE) + return 0; + + r = omapdss_dpi_display_enable(dssdev); + if (r) + goto err0; + + if (gpio_is_valid(ddata->pd_gpio)) + gpio_set_value(ddata->pd_gpio, 1); + + return 0; +err0: + return r; +} + +static void tfp410_power_off(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) + return; + + if (gpio_is_valid(ddata->pd_gpio)) + gpio_set_value(ddata->pd_gpio, 0); + + omapdss_dpi_display_disable(dssdev); +} + +static int tfp410_probe(struct omap_dss_device *dssdev) +{ + struct tfp410_platform_data *pdata = get_pdata(dssdev); + struct panel_drv_data *ddata; + int r; + + ddata = kzalloc(sizeof(*ddata), GFP_KERNEL); + if (!ddata) + return -ENOMEM; + + dssdev->panel.timings = tfp410_default_timings; + dssdev->panel.config = OMAP_DSS_LCD_TFT; + + ddata->dssdev = dssdev; + mutex_init(&ddata->lock); + + if (pdata) + ddata->pd_gpio = pdata->power_down_gpio; + else + ddata->pd_gpio = -1; + + if (gpio_is_valid(ddata->pd_gpio)) { + r = gpio_request_one(ddata->pd_gpio, GPIOF_OUT_INIT_LOW, + "tfp410 pd"); + if (r) { + dev_err(&dssdev->dev, "Failed to request PD GPIO %d\n", + ddata->pd_gpio); + ddata->pd_gpio = -1; + } + } + + dev_set_drvdata(&dssdev->dev, ddata); + + return 0; +} + +static void __exit tfp410_remove(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ddata->lock); + + if (gpio_is_valid(ddata->pd_gpio)) + gpio_free(ddata->pd_gpio); + + dev_set_drvdata(&dssdev->dev, NULL); + + mutex_unlock(&ddata->lock); + + kfree(ddata); +} + +static int tfp410_enable(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + int r; + + mutex_lock(&ddata->lock); + + r = tfp410_power_on(dssdev); + if (r = 0) + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + mutex_unlock(&ddata->lock); + + return r; +} + +static void tfp410_disable(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ddata->lock); + + tfp410_power_off(dssdev); + + dssdev->state = OMAP_DSS_DISPLAY_DISABLED; + + mutex_unlock(&ddata->lock); +} + +static int tfp410_suspend(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ddata->lock); + + tfp410_power_off(dssdev); + + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; + + mutex_unlock(&ddata->lock); + + return 0; +} + +static int tfp410_resume(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + int r; + + mutex_lock(&ddata->lock); + + r = tfp410_power_on(dssdev); + if (r = 0) + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + mutex_unlock(&ddata->lock); + + return r; +} + +static void tfp410_set_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ddata->lock); + dpi_set_timings(dssdev, timings); + mutex_unlock(&ddata->lock); +} + +static void tfp410_get_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + + mutex_lock(&ddata->lock); + *timings = dssdev->panel.timings; + mutex_unlock(&ddata->lock); +} + +static int tfp410_check_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + int r; + + mutex_lock(&ddata->lock); + r = dpi_check_timings(dssdev, timings); + mutex_unlock(&ddata->lock); + + return r; +} + + +static int tfp410_ddc_read(struct i2c_adapter *adapter, + unsigned char *buf, u16 count, u8 offset) +{ + int r, retries; + + for (retries = 3; retries > 0; retries--) { + struct i2c_msg msgs[] = { + { + .addr = DDC_ADDR, + .flags = 0, + .len = 1, + .buf = &offset, + }, { + .addr = DDC_ADDR, + .flags = I2C_M_RD, + .len = count, + .buf = buf, + } + }; + + r = i2c_transfer(adapter, msgs, 2); + if (r = 2) + return 0; + + if (r != -EAGAIN) + break; + } + + return r < 0 ? r : -EIO; +} + +static int tfp410_read_edid(struct omap_dss_device *dssdev, + u8 *edid, int len) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + struct tfp410_platform_data *pdata = get_pdata(dssdev); + struct i2c_adapter *adapter; + int r, l, bytes_read; + + mutex_lock(&ddata->lock); + + if (pdata->i2c_bus_num = 0) { + r = -ENODEV; + goto err; + } + + adapter = i2c_get_adapter(pdata->i2c_bus_num); + if (!adapter) { + dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n", + pdata->i2c_bus_num); + r = -EINVAL; + goto err; + } + + l = min(EDID_LENGTH, len); + r = tfp410_ddc_read(adapter, edid, l, 0); + if (r) + goto err; + + bytes_read = l; + + /* if there are extensions, read second block */ + if (len > EDID_LENGTH && edid[0x7e] > 0) { + l = min(EDID_LENGTH, len - EDID_LENGTH); + + r = tfp410_ddc_read(adapter, edid + EDID_LENGTH, + l, EDID_LENGTH); + if (r) + goto err; + + bytes_read += l; + } + + mutex_unlock(&ddata->lock); + + return bytes_read; + +err: + mutex_unlock(&ddata->lock); + return r; +} + +static bool tfp410_detect(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev); + struct tfp410_platform_data *pdata = get_pdata(dssdev); + struct i2c_adapter *adapter; + unsigned char out; + int r; + + mutex_lock(&ddata->lock); + + if (pdata->i2c_bus_num = 0) + goto out; + + adapter = i2c_get_adapter(pdata->i2c_bus_num); + if (!adapter) + goto out; + + r = tfp410_ddc_read(adapter, &out, 1, 0); + + mutex_unlock(&ddata->lock); + + return r = 0; + +out: + mutex_unlock(&ddata->lock); + return true; +} + +static struct omap_dss_driver tfp410_driver = { + .probe = tfp410_probe, + .remove = __exit_p(tfp410_remove), + + .enable = tfp410_enable, + .disable = tfp410_disable, + .suspend = tfp410_suspend, + .resume = tfp410_resume, + + .set_timings = tfp410_set_timings, + .get_timings = tfp410_get_timings, + .check_timings = tfp410_check_timings, + + .read_edid = tfp410_read_edid, + .detect = tfp410_detect, + + .driver = { + .name = "tfp410", + .owner = THIS_MODULE, + }, +}; + +static int __init tfp410_init(void) +{ + return omap_dss_register_driver(&tfp410_driver); +} + +static void __exit tfp410_exit(void) +{ + omap_dss_unregister_driver(&tfp410_driver); +} + +module_init(tfp410_init); +module_exit(tfp410_exit); +MODULE_LICENSE("GPL");
diff --git a/include/video/omap-panel-dvi.h b/include/video/omap-panel-dvi.h
deleted file mode 100644
index 68c31d7..0000000
--- a/include/video/omap-panel-dvi.h
+++ /dev/null@@ -1,35 +0,0 @@ -/* - * Header for TFP410 chip driver - * - * Copyright (C) 2011 Texas Instruments Inc - * Author: Tomi Valkeinen <tomi.valkeinen@ti.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/>. - */ - -#ifndef __OMAP_PANEL_TFP410_H -#define __OMAP_PANEL_TFP410_H - -struct omap_dss_device; - -/** - * struct tfp410_platform_data - panel driver configuration data - * @i2c_bus_num: i2c bus id for the panel - * @power_down_gpio: gpio number for PD pin (or -1 if not available) - */ -struct tfp410_platform_data { - u16 i2c_bus_num; - int power_down_gpio; -}; - -#endif /* __OMAP_PANEL_TFP410_H */
diff --git a/include/video/omap-panel-tfp410.h b/include/video/omap-panel-tfp410.h
new file mode 100644
index 0000000..68c31d7
--- /dev/null
+++ b/include/video/omap-panel-tfp410.h@@ -0,0 +1,35 @@ +/* + * Header for TFP410 chip driver + * + * Copyright (C) 2011 Texas Instruments Inc + * Author: Tomi Valkeinen <tomi.valkeinen@ti.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/>. + */ + +#ifndef __OMAP_PANEL_TFP410_H +#define __OMAP_PANEL_TFP410_H + +struct omap_dss_device; + +/** + * struct tfp410_platform_data - panel driver configuration data + * @i2c_bus_num: i2c bus id for the panel + * @power_down_gpio: gpio number for PD pin (or -1 if not available) + */ +struct tfp410_platform_data { + u16 i2c_bus_num; + int power_down_gpio; +}; + +#endif /* __OMAP_PANEL_TFP410_H */
--
1.7.9.5