diff options
| author | Dmitry Torokhov <[email protected]> | 2023-05-01 15:20:08 -0700 | 
|---|---|---|
| committer | Dmitry Torokhov <[email protected]> | 2023-05-01 15:20:08 -0700 | 
| commit | 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e (patch) | |
| tree | d57f3a63479a07b4e0cece029886e76e04feb984 /drivers/gpu/drm/imx/ipuv3/imx-tve.c | |
| parent | 5dc63e56a9cf8df0b59c234a505a1653f1bdf885 (diff) | |
| parent | 53bea86b5712c7491bb3dae12e271666df0a308c (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 6.4 merge window.
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3/imx-tve.c')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3/imx-tve.c | 674 | 
1 files changed, 674 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3/imx-tve.c b/drivers/gpu/drm/imx/ipuv3/imx-tve.c new file mode 100644 index 000000000000..d6832f506322 --- /dev/null +++ b/drivers/gpu/drm/imx/ipuv3/imx-tve.c @@ -0,0 +1,674 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * i.MX drm driver - Television Encoder (TVEv2) + * + * Copyright (C) 2013 Philipp Zabel, Pengutronix + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/videodev2.h> + +#include <video/imx-ipu-v3.h> + +#include <drm/drm_atomic_helper.h> +#include <drm/drm_edid.h> +#include <drm/drm_managed.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> + +#include "imx-drm.h" + +#define TVE_COM_CONF_REG	0x00 +#define TVE_TVDAC0_CONT_REG	0x28 +#define TVE_TVDAC1_CONT_REG	0x2c +#define TVE_TVDAC2_CONT_REG	0x30 +#define TVE_CD_CONT_REG		0x34 +#define TVE_INT_CONT_REG	0x64 +#define TVE_STAT_REG		0x68 +#define TVE_TST_MODE_REG	0x6c +#define TVE_MV_CONT_REG		0xdc + +/* TVE_COM_CONF_REG */ +#define TVE_SYNC_CH_2_EN	BIT(22) +#define TVE_SYNC_CH_1_EN	BIT(21) +#define TVE_SYNC_CH_0_EN	BIT(20) +#define TVE_TV_OUT_MODE_MASK	(0x7 << 12) +#define TVE_TV_OUT_DISABLE	(0x0 << 12) +#define TVE_TV_OUT_CVBS_0	(0x1 << 12) +#define TVE_TV_OUT_CVBS_2	(0x2 << 12) +#define TVE_TV_OUT_CVBS_0_2	(0x3 << 12) +#define TVE_TV_OUT_SVIDEO_0_1	(0x4 << 12) +#define TVE_TV_OUT_SVIDEO_0_1_CVBS2_2	(0x5 << 12) +#define TVE_TV_OUT_YPBPR	(0x6 << 12) +#define TVE_TV_OUT_RGB		(0x7 << 12) +#define TVE_TV_STAND_MASK	(0xf << 8) +#define TVE_TV_STAND_HD_1080P30	(0xc << 8) +#define TVE_P2I_CONV_EN		BIT(7) +#define TVE_INP_VIDEO_FORM	BIT(6) +#define TVE_INP_YCBCR_422	(0x0 << 6) +#define TVE_INP_YCBCR_444	(0x1 << 6) +#define TVE_DATA_SOURCE_MASK	(0x3 << 4) +#define TVE_DATA_SOURCE_BUS1	(0x0 << 4) +#define TVE_DATA_SOURCE_BUS2	(0x1 << 4) +#define TVE_DATA_SOURCE_EXT	(0x2 << 4) +#define TVE_DATA_SOURCE_TESTGEN	(0x3 << 4) +#define TVE_IPU_CLK_EN_OFS	3 +#define TVE_IPU_CLK_EN		BIT(3) +#define TVE_DAC_SAMP_RATE_OFS	1 +#define TVE_DAC_SAMP_RATE_WIDTH	2 +#define TVE_DAC_SAMP_RATE_MASK	(0x3 << 1) +#define TVE_DAC_FULL_RATE	(0x0 << 1) +#define TVE_DAC_DIV2_RATE	(0x1 << 1) +#define TVE_DAC_DIV4_RATE	(0x2 << 1) +#define TVE_EN			BIT(0) + +/* TVE_TVDACx_CONT_REG */ +#define TVE_TVDAC_GAIN_MASK	(0x3f << 0) + +/* TVE_CD_CONT_REG */ +#define TVE_CD_CH_2_SM_EN	BIT(22) +#define TVE_CD_CH_1_SM_EN	BIT(21) +#define TVE_CD_CH_0_SM_EN	BIT(20) +#define TVE_CD_CH_2_LM_EN	BIT(18) +#define TVE_CD_CH_1_LM_EN	BIT(17) +#define TVE_CD_CH_0_LM_EN	BIT(16) +#define TVE_CD_CH_2_REF_LVL	BIT(10) +#define TVE_CD_CH_1_REF_LVL	BIT(9) +#define TVE_CD_CH_0_REF_LVL	BIT(8) +#define TVE_CD_EN		BIT(0) + +/* TVE_INT_CONT_REG */ +#define TVE_FRAME_END_IEN	BIT(13) +#define TVE_CD_MON_END_IEN	BIT(2) +#define TVE_CD_SM_IEN		BIT(1) +#define TVE_CD_LM_IEN		BIT(0) + +/* TVE_TST_MODE_REG */ +#define TVE_TVDAC_TEST_MODE_MASK	(0x7 << 0) + +#define IMX_TVE_DAC_VOLTAGE	2750000 + +enum { +	TVE_MODE_TVOUT, +	TVE_MODE_VGA, +}; + +struct imx_tve_encoder { +	struct drm_connector connector; +	struct drm_encoder encoder; +	struct imx_tve *tve; +}; + +struct imx_tve { +	struct device *dev; +	int mode; +	int di_hsync_pin; +	int di_vsync_pin; + +	struct regmap *regmap; +	struct regulator *dac_reg; +	struct i2c_adapter *ddc; +	struct clk *clk; +	struct clk *di_sel_clk; +	struct clk_hw clk_hw_di; +	struct clk *di_clk; +}; + +static inline struct imx_tve *con_to_tve(struct drm_connector *c) +{ +	return container_of(c, struct imx_tve_encoder, connector)->tve; +} + +static inline struct imx_tve *enc_to_tve(struct drm_encoder *e) +{ +	return container_of(e, struct imx_tve_encoder, encoder)->tve; +} + +static void tve_enable(struct imx_tve *tve) +{ +	clk_prepare_enable(tve->clk); +	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, TVE_EN); + +	/* clear interrupt status register */ +	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff); + +	/* cable detection irq disabled in VGA mode, enabled in TVOUT mode */ +	if (tve->mode == TVE_MODE_VGA) +		regmap_write(tve->regmap, TVE_INT_CONT_REG, 0); +	else +		regmap_write(tve->regmap, TVE_INT_CONT_REG, +			     TVE_CD_SM_IEN | +			     TVE_CD_LM_IEN | +			     TVE_CD_MON_END_IEN); +} + +static void tve_disable(struct imx_tve *tve) +{ +	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0); +	clk_disable_unprepare(tve->clk); +} + +static int tve_setup_tvout(struct imx_tve *tve) +{ +	return -ENOTSUPP; +} + +static int tve_setup_vga(struct imx_tve *tve) +{ +	unsigned int mask; +	unsigned int val; +	int ret; + +	/* set gain to (1 + 10/128) to provide 0.7V peak-to-peak amplitude */ +	ret = regmap_update_bits(tve->regmap, TVE_TVDAC0_CONT_REG, +				 TVE_TVDAC_GAIN_MASK, 0x0a); +	if (ret) +		return ret; + +	ret = regmap_update_bits(tve->regmap, TVE_TVDAC1_CONT_REG, +				 TVE_TVDAC_GAIN_MASK, 0x0a); +	if (ret) +		return ret; + +	ret = regmap_update_bits(tve->regmap, TVE_TVDAC2_CONT_REG, +				 TVE_TVDAC_GAIN_MASK, 0x0a); +	if (ret) +		return ret; + +	/* set configuration register */ +	mask = TVE_DATA_SOURCE_MASK | TVE_INP_VIDEO_FORM; +	val  = TVE_DATA_SOURCE_BUS2 | TVE_INP_YCBCR_444; +	mask |= TVE_TV_STAND_MASK       | TVE_P2I_CONV_EN; +	val  |= TVE_TV_STAND_HD_1080P30 | 0; +	mask |= TVE_TV_OUT_MODE_MASK | TVE_SYNC_CH_0_EN; +	val  |= TVE_TV_OUT_RGB       | TVE_SYNC_CH_0_EN; +	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, mask, val); +	if (ret) +		return ret; + +	/* set test mode (as documented) */ +	return regmap_update_bits(tve->regmap, TVE_TST_MODE_REG, +				 TVE_TVDAC_TEST_MODE_MASK, 1); +} + +static int imx_tve_connector_get_modes(struct drm_connector *connector) +{ +	struct imx_tve *tve = con_to_tve(connector); +	struct edid *edid; +	int ret = 0; + +	if (!tve->ddc) +		return 0; + +	edid = drm_get_edid(connector, tve->ddc); +	if (edid) { +		drm_connector_update_edid_property(connector, edid); +		ret = drm_add_edid_modes(connector, edid); +		kfree(edid); +	} + +	return ret; +} + +static enum drm_mode_status +imx_tve_connector_mode_valid(struct drm_connector *connector, +			     struct drm_display_mode *mode) +{ +	struct imx_tve *tve = con_to_tve(connector); +	unsigned long rate; + +	/* pixel clock with 2x oversampling */ +	rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000; +	if (rate == mode->clock) +		return MODE_OK; + +	/* pixel clock without oversampling */ +	rate = clk_round_rate(tve->clk, 1000UL * mode->clock) / 1000; +	if (rate == mode->clock) +		return MODE_OK; + +	dev_warn(tve->dev, "ignoring mode %dx%d\n", +		 mode->hdisplay, mode->vdisplay); + +	return MODE_BAD; +} + +static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, +				     struct drm_display_mode *orig_mode, +				     struct drm_display_mode *mode) +{ +	struct imx_tve *tve = enc_to_tve(encoder); +	unsigned long rounded_rate; +	unsigned long rate; +	int div = 1; +	int ret; + +	/* +	 * FIXME +	 * we should try 4k * mode->clock first, +	 * and enable 4x oversampling for lower resolutions +	 */ +	rate = 2000UL * mode->clock; +	clk_set_rate(tve->clk, rate); +	rounded_rate = clk_get_rate(tve->clk); +	if (rounded_rate >= rate) +		div = 2; +	clk_set_rate(tve->di_clk, rounded_rate / div); + +	ret = clk_set_parent(tve->di_sel_clk, tve->di_clk); +	if (ret < 0) { +		dev_err(tve->dev, "failed to set di_sel parent to tve_di: %d\n", +			ret); +	} + +	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, +			   TVE_IPU_CLK_EN, TVE_IPU_CLK_EN); + +	if (tve->mode == TVE_MODE_VGA) +		ret = tve_setup_vga(tve); +	else +		ret = tve_setup_tvout(tve); +	if (ret) +		dev_err(tve->dev, "failed to set configuration: %d\n", ret); +} + +static void imx_tve_encoder_enable(struct drm_encoder *encoder) +{ +	struct imx_tve *tve = enc_to_tve(encoder); + +	tve_enable(tve); +} + +static void imx_tve_encoder_disable(struct drm_encoder *encoder) +{ +	struct imx_tve *tve = enc_to_tve(encoder); + +	tve_disable(tve); +} + +static int imx_tve_atomic_check(struct drm_encoder *encoder, +				struct drm_crtc_state *crtc_state, +				struct drm_connector_state *conn_state) +{ +	struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state); +	struct imx_tve *tve = enc_to_tve(encoder); + +	imx_crtc_state->bus_format = MEDIA_BUS_FMT_GBR888_1X24; +	imx_crtc_state->di_hsync_pin = tve->di_hsync_pin; +	imx_crtc_state->di_vsync_pin = tve->di_vsync_pin; + +	return 0; +} + +static const struct drm_connector_funcs imx_tve_connector_funcs = { +	.fill_modes = drm_helper_probe_single_connector_modes, +	.destroy = imx_drm_connector_destroy, +	.reset = drm_atomic_helper_connector_reset, +	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, +	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + +static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = { +	.get_modes = imx_tve_connector_get_modes, +	.mode_valid = imx_tve_connector_mode_valid, +}; + +static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = { +	.mode_set = imx_tve_encoder_mode_set, +	.enable = imx_tve_encoder_enable, +	.disable = imx_tve_encoder_disable, +	.atomic_check = imx_tve_atomic_check, +}; + +static irqreturn_t imx_tve_irq_handler(int irq, void *data) +{ +	struct imx_tve *tve = data; +	unsigned int val; + +	regmap_read(tve->regmap, TVE_STAT_REG, &val); + +	/* clear interrupt status register */ +	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff); + +	return IRQ_HANDLED; +} + +static unsigned long clk_tve_di_recalc_rate(struct clk_hw *hw, +					    unsigned long parent_rate) +{ +	struct imx_tve *tve = container_of(hw, struct imx_tve, clk_hw_di); +	unsigned int val; +	int ret; + +	ret = regmap_read(tve->regmap, TVE_COM_CONF_REG, &val); +	if (ret < 0) +		return 0; + +	switch (val & TVE_DAC_SAMP_RATE_MASK) { +	case TVE_DAC_DIV4_RATE: +		return parent_rate / 4; +	case TVE_DAC_DIV2_RATE: +		return parent_rate / 2; +	case TVE_DAC_FULL_RATE: +	default: +		return parent_rate; +	} + +	return 0; +} + +static long clk_tve_di_round_rate(struct clk_hw *hw, unsigned long rate, +				  unsigned long *prate) +{ +	unsigned long div; + +	div = *prate / rate; +	if (div >= 4) +		return *prate / 4; +	else if (div >= 2) +		return *prate / 2; +	return *prate; +} + +static int clk_tve_di_set_rate(struct clk_hw *hw, unsigned long rate, +			       unsigned long parent_rate) +{ +	struct imx_tve *tve = container_of(hw, struct imx_tve, clk_hw_di); +	unsigned long div; +	u32 val; +	int ret; + +	div = parent_rate / rate; +	if (div >= 4) +		val = TVE_DAC_DIV4_RATE; +	else if (div >= 2) +		val = TVE_DAC_DIV2_RATE; +	else +		val = TVE_DAC_FULL_RATE; + +	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, +				 TVE_DAC_SAMP_RATE_MASK, val); + +	if (ret < 0) { +		dev_err(tve->dev, "failed to set divider: %d\n", ret); +		return ret; +	} + +	return 0; +} + +static const struct clk_ops clk_tve_di_ops = { +	.round_rate = clk_tve_di_round_rate, +	.set_rate = clk_tve_di_set_rate, +	.recalc_rate = clk_tve_di_recalc_rate, +}; + +static int tve_clk_init(struct imx_tve *tve, void __iomem *base) +{ +	const char *tve_di_parent[1]; +	struct clk_init_data init = { +		.name = "tve_di", +		.ops = &clk_tve_di_ops, +		.num_parents = 1, +		.flags = 0, +	}; + +	tve_di_parent[0] = __clk_get_name(tve->clk); +	init.parent_names = (const char **)&tve_di_parent; + +	tve->clk_hw_di.init = &init; +	tve->di_clk = devm_clk_register(tve->dev, &tve->clk_hw_di); +	if (IS_ERR(tve->di_clk)) { +		dev_err(tve->dev, "failed to register TVE output clock: %ld\n", +			PTR_ERR(tve->di_clk)); +		return PTR_ERR(tve->di_clk); +	} + +	return 0; +} + +static void imx_tve_disable_regulator(void *data) +{ +	struct imx_tve *tve = data; + +	regulator_disable(tve->dac_reg); +} + +static bool imx_tve_readable_reg(struct device *dev, unsigned int reg) +{ +	return (reg % 4 == 0) && (reg <= 0xdc); +} + +static struct regmap_config tve_regmap_config = { +	.reg_bits = 32, +	.val_bits = 32, +	.reg_stride = 4, + +	.readable_reg = imx_tve_readable_reg, + +	.fast_io = true, + +	.max_register = 0xdc, +}; + +static const char * const imx_tve_modes[] = { +	[TVE_MODE_TVOUT]  = "tvout", +	[TVE_MODE_VGA] = "vga", +}; + +static int of_get_tve_mode(struct device_node *np) +{ +	const char *bm; +	int ret, i; + +	ret = of_property_read_string(np, "fsl,tve-mode", &bm); +	if (ret < 0) +		return ret; + +	for (i = 0; i < ARRAY_SIZE(imx_tve_modes); i++) +		if (!strcasecmp(bm, imx_tve_modes[i])) +			return i; + +	return -EINVAL; +} + +static int imx_tve_bind(struct device *dev, struct device *master, void *data) +{ +	struct drm_device *drm = data; +	struct imx_tve *tve = dev_get_drvdata(dev); +	struct imx_tve_encoder *tvee; +	struct drm_encoder *encoder; +	struct drm_connector *connector; +	int encoder_type; +	int ret; + +	encoder_type = tve->mode == TVE_MODE_VGA ? +		       DRM_MODE_ENCODER_DAC : DRM_MODE_ENCODER_TVDAC; + +	tvee = drmm_simple_encoder_alloc(drm, struct imx_tve_encoder, encoder, +					 encoder_type); +	if (IS_ERR(tvee)) +		return PTR_ERR(tvee); + +	tvee->tve = tve; +	encoder = &tvee->encoder; +	connector = &tvee->connector; + +	ret = imx_drm_encoder_parse_of(drm, encoder, tve->dev->of_node); +	if (ret) +		return ret; + +	drm_encoder_helper_add(encoder, &imx_tve_encoder_helper_funcs); + +	drm_connector_helper_add(connector, &imx_tve_connector_helper_funcs); +	ret = drm_connector_init_with_ddc(drm, connector, +					  &imx_tve_connector_funcs, +					  DRM_MODE_CONNECTOR_VGA, tve->ddc); +	if (ret) +		return ret; + +	return drm_connector_attach_encoder(connector, encoder); +} + +static const struct component_ops imx_tve_ops = { +	.bind	= imx_tve_bind, +}; + +static int imx_tve_probe(struct platform_device *pdev) +{ +	struct device *dev = &pdev->dev; +	struct device_node *np = dev->of_node; +	struct device_node *ddc_node; +	struct imx_tve *tve; +	void __iomem *base; +	unsigned int val; +	int irq; +	int ret; + +	tve = devm_kzalloc(dev, sizeof(*tve), GFP_KERNEL); +	if (!tve) +		return -ENOMEM; + +	tve->dev = dev; + +	ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); +	if (ddc_node) { +		tve->ddc = of_find_i2c_adapter_by_node(ddc_node); +		of_node_put(ddc_node); +	} + +	tve->mode = of_get_tve_mode(np); +	if (tve->mode != TVE_MODE_VGA) { +		dev_err(dev, "only VGA mode supported, currently\n"); +		return -EINVAL; +	} + +	if (tve->mode == TVE_MODE_VGA) { +		ret = of_property_read_u32(np, "fsl,hsync-pin", +					   &tve->di_hsync_pin); + +		if (ret < 0) { +			dev_err(dev, "failed to get hsync pin\n"); +			return ret; +		} + +		ret = of_property_read_u32(np, "fsl,vsync-pin", +					   &tve->di_vsync_pin); + +		if (ret < 0) { +			dev_err(dev, "failed to get vsync pin\n"); +			return ret; +		} +	} + +	base = devm_platform_ioremap_resource(pdev, 0); +	if (IS_ERR(base)) +		return PTR_ERR(base); + +	tve_regmap_config.lock_arg = tve; +	tve->regmap = devm_regmap_init_mmio_clk(dev, "tve", base, +						&tve_regmap_config); +	if (IS_ERR(tve->regmap)) { +		dev_err(dev, "failed to init regmap: %ld\n", +			PTR_ERR(tve->regmap)); +		return PTR_ERR(tve->regmap); +	} + +	irq = platform_get_irq(pdev, 0); +	if (irq < 0) +		return irq; + +	ret = devm_request_threaded_irq(dev, irq, NULL, +					imx_tve_irq_handler, IRQF_ONESHOT, +					"imx-tve", tve); +	if (ret < 0) { +		dev_err(dev, "failed to request irq: %d\n", ret); +		return ret; +	} + +	tve->dac_reg = devm_regulator_get(dev, "dac"); +	if (!IS_ERR(tve->dac_reg)) { +		if (regulator_get_voltage(tve->dac_reg) != IMX_TVE_DAC_VOLTAGE) +			dev_warn(dev, "dac voltage is not %d uV\n", IMX_TVE_DAC_VOLTAGE); +		ret = regulator_enable(tve->dac_reg); +		if (ret) +			return ret; +		ret = devm_add_action_or_reset(dev, imx_tve_disable_regulator, tve); +		if (ret) +			return ret; +	} + +	tve->clk = devm_clk_get(dev, "tve"); +	if (IS_ERR(tve->clk)) { +		dev_err(dev, "failed to get high speed tve clock: %ld\n", +			PTR_ERR(tve->clk)); +		return PTR_ERR(tve->clk); +	} + +	/* this is the IPU DI clock input selector, can be parented to tve_di */ +	tve->di_sel_clk = devm_clk_get(dev, "di_sel"); +	if (IS_ERR(tve->di_sel_clk)) { +		dev_err(dev, "failed to get ipu di mux clock: %ld\n", +			PTR_ERR(tve->di_sel_clk)); +		return PTR_ERR(tve->di_sel_clk); +	} + +	ret = tve_clk_init(tve, base); +	if (ret < 0) +		return ret; + +	ret = regmap_read(tve->regmap, TVE_COM_CONF_REG, &val); +	if (ret < 0) { +		dev_err(dev, "failed to read configuration register: %d\n", +			ret); +		return ret; +	} +	if (val != 0x00100000) { +		dev_err(dev, "configuration register default value indicates this is not a TVEv2\n"); +		return -ENODEV; +	} + +	/* disable cable detection for VGA mode */ +	ret = regmap_write(tve->regmap, TVE_CD_CONT_REG, 0); +	if (ret) +		return ret; + +	platform_set_drvdata(pdev, tve); + +	return component_add(dev, &imx_tve_ops); +} + +static int imx_tve_remove(struct platform_device *pdev) +{ +	component_del(&pdev->dev, &imx_tve_ops); +	return 0; +} + +static const struct of_device_id imx_tve_dt_ids[] = { +	{ .compatible = "fsl,imx53-tve", }, +	{ /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_tve_dt_ids); + +static struct platform_driver imx_tve_driver = { +	.probe		= imx_tve_probe, +	.remove		= imx_tve_remove, +	.driver		= { +		.of_match_table = imx_tve_dt_ids, +		.name	= "imx-tve", +	}, +}; + +module_platform_driver(imx_tve_driver); + +MODULE_DESCRIPTION("i.MX Television Encoder driver"); +MODULE_AUTHOR("Philipp Zabel, Pengutronix"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx-tve");  |