Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * i.MX drm driver - Television Encoder (TVEv2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2013 Philipp Zabel, Pengutronix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/component.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <video/imx-ipu-v3.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <drm/drm_atomic_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <drm/drm_fb_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <drm/drm_probe_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <drm/drm_simple_kms_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include "imx-drm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define TVE_COM_CONF_REG	0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define TVE_TVDAC0_CONT_REG	0x28
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define TVE_TVDAC1_CONT_REG	0x2c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define TVE_TVDAC2_CONT_REG	0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define TVE_CD_CONT_REG		0x34
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define TVE_INT_CONT_REG	0x64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define TVE_STAT_REG		0x68
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define TVE_TST_MODE_REG	0x6c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define TVE_MV_CONT_REG		0xdc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) /* TVE_COM_CONF_REG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define TVE_SYNC_CH_2_EN	BIT(22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define TVE_SYNC_CH_1_EN	BIT(21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define TVE_SYNC_CH_0_EN	BIT(20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define TVE_TV_OUT_MODE_MASK	(0x7 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define TVE_TV_OUT_DISABLE	(0x0 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define TVE_TV_OUT_CVBS_0	(0x1 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define TVE_TV_OUT_CVBS_2	(0x2 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define TVE_TV_OUT_CVBS_0_2	(0x3 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define TVE_TV_OUT_SVIDEO_0_1	(0x4 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define TVE_TV_OUT_SVIDEO_0_1_CVBS2_2	(0x5 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) #define TVE_TV_OUT_YPBPR	(0x6 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define TVE_TV_OUT_RGB		(0x7 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define TVE_TV_STAND_MASK	(0xf << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #define TVE_TV_STAND_HD_1080P30	(0xc << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #define TVE_P2I_CONV_EN		BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) #define TVE_INP_VIDEO_FORM	BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define TVE_INP_YCBCR_422	(0x0 << 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define TVE_INP_YCBCR_444	(0x1 << 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define TVE_DATA_SOURCE_MASK	(0x3 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define TVE_DATA_SOURCE_BUS1	(0x0 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) #define TVE_DATA_SOURCE_BUS2	(0x1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) #define TVE_DATA_SOURCE_EXT	(0x2 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #define TVE_DATA_SOURCE_TESTGEN	(0x3 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) #define TVE_IPU_CLK_EN_OFS	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) #define TVE_IPU_CLK_EN		BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) #define TVE_DAC_SAMP_RATE_OFS	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #define TVE_DAC_SAMP_RATE_WIDTH	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) #define TVE_DAC_SAMP_RATE_MASK	(0x3 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) #define TVE_DAC_FULL_RATE	(0x0 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) #define TVE_DAC_DIV2_RATE	(0x1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) #define TVE_DAC_DIV4_RATE	(0x2 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #define TVE_EN			BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) /* TVE_TVDACx_CONT_REG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) #define TVE_TVDAC_GAIN_MASK	(0x3f << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) /* TVE_CD_CONT_REG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) #define TVE_CD_CH_2_SM_EN	BIT(22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) #define TVE_CD_CH_1_SM_EN	BIT(21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) #define TVE_CD_CH_0_SM_EN	BIT(20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #define TVE_CD_CH_2_LM_EN	BIT(18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) #define TVE_CD_CH_1_LM_EN	BIT(17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) #define TVE_CD_CH_0_LM_EN	BIT(16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) #define TVE_CD_CH_2_REF_LVL	BIT(10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) #define TVE_CD_CH_1_REF_LVL	BIT(9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) #define TVE_CD_CH_0_REF_LVL	BIT(8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) #define TVE_CD_EN		BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) /* TVE_INT_CONT_REG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) #define TVE_FRAME_END_IEN	BIT(13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) #define TVE_CD_MON_END_IEN	BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) #define TVE_CD_SM_IEN		BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) #define TVE_CD_LM_IEN		BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) /* TVE_TST_MODE_REG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) #define TVE_TVDAC_TEST_MODE_MASK	(0x7 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) #define IMX_TVE_DAC_VOLTAGE	2750000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	TVE_MODE_TVOUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	TVE_MODE_VGA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct imx_tve {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	struct drm_connector connector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	struct drm_encoder encoder;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	int mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	int di_hsync_pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	int di_vsync_pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	struct regulator *dac_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	struct i2c_adapter *ddc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	struct clk *clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	struct clk *di_sel_clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	struct clk_hw clk_hw_di;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	struct clk *di_clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static inline struct imx_tve *con_to_tve(struct drm_connector *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	return container_of(c, struct imx_tve, connector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static inline struct imx_tve *enc_to_tve(struct drm_encoder *e)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	return container_of(e, struct imx_tve, encoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static void tve_enable(struct imx_tve *tve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	clk_prepare_enable(tve->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, TVE_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	/* clear interrupt status register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	/* cable detection irq disabled in VGA mode, enabled in TVOUT mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	if (tve->mode == TVE_MODE_VGA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		regmap_write(tve->regmap, TVE_INT_CONT_REG, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		regmap_write(tve->regmap, TVE_INT_CONT_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 			     TVE_CD_SM_IEN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			     TVE_CD_LM_IEN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			     TVE_CD_MON_END_IEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static void tve_disable(struct imx_tve *tve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	clk_disable_unprepare(tve->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static int tve_setup_tvout(struct imx_tve *tve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static int tve_setup_vga(struct imx_tve *tve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	unsigned int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	/* set gain to (1 + 10/128) to provide 0.7V peak-to-peak amplitude */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	ret = regmap_update_bits(tve->regmap, TVE_TVDAC0_CONT_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 				 TVE_TVDAC_GAIN_MASK, 0x0a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	ret = regmap_update_bits(tve->regmap, TVE_TVDAC1_CONT_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 				 TVE_TVDAC_GAIN_MASK, 0x0a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	ret = regmap_update_bits(tve->regmap, TVE_TVDAC2_CONT_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 				 TVE_TVDAC_GAIN_MASK, 0x0a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	/* set configuration register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	mask = TVE_DATA_SOURCE_MASK | TVE_INP_VIDEO_FORM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	val  = TVE_DATA_SOURCE_BUS2 | TVE_INP_YCBCR_444;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	mask |= TVE_TV_STAND_MASK       | TVE_P2I_CONV_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	val  |= TVE_TV_STAND_HD_1080P30 | 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	mask |= TVE_TV_OUT_MODE_MASK | TVE_SYNC_CH_0_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	val  |= TVE_TV_OUT_RGB       | TVE_SYNC_CH_0_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, mask, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	/* set test mode (as documented) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	return regmap_update_bits(tve->regmap, TVE_TST_MODE_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 				 TVE_TVDAC_TEST_MODE_MASK, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static int imx_tve_connector_get_modes(struct drm_connector *connector)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	struct imx_tve *tve = con_to_tve(connector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	struct edid *edid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	if (!tve->ddc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	edid = drm_get_edid(connector, tve->ddc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (edid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		drm_connector_update_edid_property(connector, edid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		ret = drm_add_edid_modes(connector, edid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		kfree(edid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static int imx_tve_connector_mode_valid(struct drm_connector *connector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 					struct drm_display_mode *mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	struct imx_tve *tve = con_to_tve(connector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	unsigned long rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	/* pixel clock with 2x oversampling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	if (rate == mode->clock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		return MODE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	/* pixel clock without oversampling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	rate = clk_round_rate(tve->clk, 1000UL * mode->clock) / 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	if (rate == mode->clock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		return MODE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	dev_warn(tve->dev, "ignoring mode %dx%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		 mode->hdisplay, mode->vdisplay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	return MODE_BAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 				     struct drm_display_mode *orig_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 				     struct drm_display_mode *mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	struct imx_tve *tve = enc_to_tve(encoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	unsigned long rounded_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	unsigned long rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	int div = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	 * FIXME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	 * we should try 4k * mode->clock first,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	 * and enable 4x oversampling for lower resolutions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	rate = 2000UL * mode->clock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	clk_set_rate(tve->clk, rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	rounded_rate = clk_get_rate(tve->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	if (rounded_rate >= rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		div = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	clk_set_rate(tve->di_clk, rounded_rate / div);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	ret = clk_set_parent(tve->di_sel_clk, tve->di_clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		dev_err(tve->dev, "failed to set di_sel parent to tve_di: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			   TVE_IPU_CLK_EN, TVE_IPU_CLK_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	if (tve->mode == TVE_MODE_VGA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		ret = tve_setup_vga(tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		ret = tve_setup_tvout(tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		dev_err(tve->dev, "failed to set configuration: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) static void imx_tve_encoder_enable(struct drm_encoder *encoder)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	struct imx_tve *tve = enc_to_tve(encoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	tve_enable(tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static void imx_tve_encoder_disable(struct drm_encoder *encoder)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	struct imx_tve *tve = enc_to_tve(encoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	tve_disable(tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static int imx_tve_atomic_check(struct drm_encoder *encoder,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 				struct drm_crtc_state *crtc_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 				struct drm_connector_state *conn_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	struct imx_tve *tve = enc_to_tve(encoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	imx_crtc_state->bus_format = MEDIA_BUS_FMT_GBR888_1X24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	imx_crtc_state->di_hsync_pin = tve->di_hsync_pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	imx_crtc_state->di_vsync_pin = tve->di_vsync_pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) static const struct drm_connector_funcs imx_tve_connector_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	.fill_modes = drm_helper_probe_single_connector_modes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	.destroy = imx_drm_connector_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	.reset = drm_atomic_helper_connector_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	.get_modes = imx_tve_connector_get_modes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	.mode_valid = imx_tve_connector_mode_valid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	.mode_set = imx_tve_encoder_mode_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	.enable = imx_tve_encoder_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	.disable = imx_tve_encoder_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	.atomic_check = imx_tve_atomic_check,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) static irqreturn_t imx_tve_irq_handler(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	struct imx_tve *tve = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	regmap_read(tve->regmap, TVE_STAT_REG, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	/* clear interrupt status register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static unsigned long clk_tve_di_recalc_rate(struct clk_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 					    unsigned long parent_rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	struct imx_tve *tve = container_of(hw, struct imx_tve, clk_hw_di);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	ret = regmap_read(tve->regmap, TVE_COM_CONF_REG, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	switch (val & TVE_DAC_SAMP_RATE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	case TVE_DAC_DIV4_RATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 		return parent_rate / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	case TVE_DAC_DIV2_RATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		return parent_rate / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	case TVE_DAC_FULL_RATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		return parent_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) static long clk_tve_di_round_rate(struct clk_hw *hw, unsigned long rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 				  unsigned long *prate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	unsigned long div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	div = *prate / rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	if (div >= 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 		return *prate / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	else if (div >= 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 		return *prate / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	return *prate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) static int clk_tve_di_set_rate(struct clk_hw *hw, unsigned long rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 			       unsigned long parent_rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	struct imx_tve *tve = container_of(hw, struct imx_tve, clk_hw_di);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	unsigned long div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	div = parent_rate / rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	if (div >= 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		val = TVE_DAC_DIV4_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	else if (div >= 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		val = TVE_DAC_DIV2_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		val = TVE_DAC_FULL_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 				 TVE_DAC_SAMP_RATE_MASK, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 		dev_err(tve->dev, "failed to set divider: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) static const struct clk_ops clk_tve_di_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	.round_rate = clk_tve_di_round_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	.set_rate = clk_tve_di_set_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	.recalc_rate = clk_tve_di_recalc_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) static int tve_clk_init(struct imx_tve *tve, void __iomem *base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	const char *tve_di_parent[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	struct clk_init_data init = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 		.name = "tve_di",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 		.ops = &clk_tve_di_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		.num_parents = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		.flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	tve_di_parent[0] = __clk_get_name(tve->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	init.parent_names = (const char **)&tve_di_parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	tve->clk_hw_di.init = &init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	tve->di_clk = clk_register(tve->dev, &tve->clk_hw_di);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	if (IS_ERR(tve->di_clk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		dev_err(tve->dev, "failed to register TVE output clock: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 			PTR_ERR(tve->di_clk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		return PTR_ERR(tve->di_clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	int encoder_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	encoder_type = tve->mode == TVE_MODE_VGA ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 				DRM_MODE_ENCODER_DAC : DRM_MODE_ENCODER_TVDAC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	ret = imx_drm_encoder_parse_of(drm, &tve->encoder, tve->dev->of_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	drm_simple_encoder_init(drm, &tve->encoder, encoder_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	drm_connector_helper_add(&tve->connector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 			&imx_tve_connector_helper_funcs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	drm_connector_init_with_ddc(drm, &tve->connector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 				    &imx_tve_connector_funcs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 				    DRM_MODE_CONNECTOR_VGA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 				    tve->ddc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	drm_connector_attach_encoder(&tve->connector, &tve->encoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) static void imx_tve_disable_regulator(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 	struct imx_tve *tve = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	regulator_disable(tve->dac_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) static bool imx_tve_readable_reg(struct device *dev, unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	return (reg % 4 == 0) && (reg <= 0xdc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) static struct regmap_config tve_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	.reg_bits = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	.val_bits = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	.reg_stride = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	.readable_reg = imx_tve_readable_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 	.fast_io = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	.max_register = 0xdc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) static const char * const imx_tve_modes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	[TVE_MODE_TVOUT]  = "tvout",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	[TVE_MODE_VGA] = "vga",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) static int of_get_tve_mode(struct device_node *np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 	const char *bm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	ret = of_property_read_string(np, "fsl,tve-mode", &bm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	for (i = 0; i < ARRAY_SIZE(imx_tve_modes); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 		if (!strcasecmp(bm, imx_tve_modes[i]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 			return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) static int imx_tve_bind(struct device *dev, struct device *master, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 	struct platform_device *pdev = to_platform_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	struct drm_device *drm = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	struct device_node *ddc_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 	struct imx_tve *tve;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 	void __iomem *base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 	int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 	tve = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	memset(tve, 0, sizeof(*tve));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 	tve->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	if (ddc_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 		tve->ddc = of_find_i2c_adapter_by_node(ddc_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 		of_node_put(ddc_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 	tve->mode = of_get_tve_mode(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 	if (tve->mode != TVE_MODE_VGA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 		dev_err(dev, "only VGA mode supported, currently\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 	if (tve->mode == TVE_MODE_VGA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 		ret = of_property_read_u32(np, "fsl,hsync-pin",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 					   &tve->di_hsync_pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 			dev_err(dev, "failed to get hsync pin\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 		ret = of_property_read_u32(np, "fsl,vsync-pin",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 					   &tve->di_vsync_pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 			dev_err(dev, "failed to get vsync pin\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 	base = devm_ioremap_resource(dev, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 	if (IS_ERR(base))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 		return PTR_ERR(base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 	tve_regmap_config.lock_arg = tve;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 	tve->regmap = devm_regmap_init_mmio_clk(dev, "tve", base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 						&tve_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 	if (IS_ERR(tve->regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 		dev_err(dev, "failed to init regmap: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 			PTR_ERR(tve->regmap));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 		return PTR_ERR(tve->regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 	irq = platform_get_irq(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 	if (irq < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 		return irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 	ret = devm_request_threaded_irq(dev, irq, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 					imx_tve_irq_handler, IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 					"imx-tve", tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 		dev_err(dev, "failed to request irq: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 	tve->dac_reg = devm_regulator_get(dev, "dac");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 	if (!IS_ERR(tve->dac_reg)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 		if (regulator_get_voltage(tve->dac_reg) != IMX_TVE_DAC_VOLTAGE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 			dev_warn(dev, "dac voltage is not %d uV\n", IMX_TVE_DAC_VOLTAGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 		ret = regulator_enable(tve->dac_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 		ret = devm_add_action_or_reset(dev, imx_tve_disable_regulator, tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 	tve->clk = devm_clk_get(dev, "tve");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 	if (IS_ERR(tve->clk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 		dev_err(dev, "failed to get high speed tve clock: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 			PTR_ERR(tve->clk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 		return PTR_ERR(tve->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 	/* this is the IPU DI clock input selector, can be parented to tve_di */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	tve->di_sel_clk = devm_clk_get(dev, "di_sel");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 	if (IS_ERR(tve->di_sel_clk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 		dev_err(dev, "failed to get ipu di mux clock: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 			PTR_ERR(tve->di_sel_clk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 		return PTR_ERR(tve->di_sel_clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	ret = tve_clk_init(tve, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 	ret = regmap_read(tve->regmap, TVE_COM_CONF_REG, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 		dev_err(dev, "failed to read configuration register: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 			ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 	if (val != 0x00100000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 		dev_err(dev, "configuration register default value indicates this is not a TVEv2\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 	/* disable cable detection for VGA mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 	ret = regmap_write(tve->regmap, TVE_CD_CONT_REG, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 	ret = imx_tve_register(drm, tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) static const struct component_ops imx_tve_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 	.bind	= imx_tve_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) static int imx_tve_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 	struct imx_tve *tve;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 	tve = devm_kzalloc(&pdev->dev, sizeof(*tve), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 	if (!tve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 	platform_set_drvdata(pdev, tve);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 	return component_add(&pdev->dev, &imx_tve_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) static int imx_tve_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 	component_del(&pdev->dev, &imx_tve_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) static const struct of_device_id imx_tve_dt_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) 	{ .compatible = "fsl,imx53-tve", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 	{ /* sentinel */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) MODULE_DEVICE_TABLE(of, imx_tve_dt_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) static struct platform_driver imx_tve_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) 	.probe		= imx_tve_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 	.remove		= imx_tve_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 	.driver		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) 		.of_match_table = imx_tve_dt_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) 		.name	= "imx-tve",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) module_platform_driver(imx_tve_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) MODULE_DESCRIPTION("i.MX Television Encoder driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) MODULE_AUTHOR("Philipp Zabel, Pengutronix");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) MODULE_ALIAS("platform:imx-tve");