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 <tomi.valkeinen@xxxxxx> --- 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@xxxxxx> - * - * 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@xxxxxx> + * + * 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@xxxxxx> - * - * 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@xxxxxx> + * + * 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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
