blob: dd71ac36a18610ce924645aa09a853476bdc3bac [file] [log] [blame]
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
* drivers/display/lcd/aml_lcd_phy_config.c
*
* Copyright (C) 2020 Amlogic, Inc. All rights reserved.
*
*/
#include <common.h>
#include <amlogic/aml_lcd.h>
#include "aml_lcd_reg.h"
#include "aml_lcd_phy_config.h"
#include "aml_lcd_common.h"
static int phy_ctrl_bit_on;
static unsigned int lcd_lvds_channel_on_value(struct lcd_config_s *pconf)
{
unsigned int channel_on = 0;
if (pconf->lcd_control.lvds_config->dual_port == 0) {
if (pconf->lcd_control.lvds_config->lane_reverse == 0) {
switch (pconf->lcd_basic.lcd_bits) {
case 6:
channel_on = 0xf;
break;
case 8:
channel_on = 0x1f;
break;
case 10:
default:
channel_on = 0x3f;
break;
}
} else {
switch (pconf->lcd_basic.lcd_bits) {
case 6:
channel_on = 0x3c;
break;
case 8:
channel_on = 0x3e;
break;
case 10:
default:
channel_on = 0x3f;
break;
}
}
if (pconf->lcd_control.lvds_config->port_swap == 1)
channel_on = (channel_on << 6); /* use channel B */
} else {
if (pconf->lcd_control.lvds_config->lane_reverse == 0) {
switch (pconf->lcd_basic.lcd_bits) {
case 6:
channel_on = 0x3cf;
break;
case 8:
channel_on = 0x7df;
break;
case 10:
default:
channel_on = 0xfff;
break;
}
} else {
switch (pconf->lcd_basic.lcd_bits) {
case 6:
channel_on = 0xf3c;
break;
case 8:
channel_on = 0xfbe;
break;
case 10:
default:
channel_on = 0xfff;
break;
}
}
}
return channel_on;
}
void lcd_phy_cntl_set_tl1(int status, unsigned int data32, int flag)
{
unsigned int tmp = 0;
unsigned int data = 0;
unsigned int cntl16 = 0x80000000;
if (lcd_debug_print_flag)
LCDPR("%s: %d\n", __func__, status);
if (status) {
data32 |= ((phy_ctrl_bit_on << 16) |
(phy_ctrl_bit_on << 0));
if (flag)
tmp |= ((1 << 18) | (1 << 2));
} else {
if (phy_ctrl_bit_on)
data = 0;
else
data = 1;
data32 |= ((data << 16) | (data << 0));
cntl16 = 0;
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14, 0);
}
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL15, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL16, cntl16);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL8, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL9, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL10, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL11, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL4, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL12, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL6, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL13, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL7, data32);
}
void lcd_lvds_phy_set(struct lcd_config_s *pconf, int status)
{
unsigned int vswing, preem, clk_vswing, clk_preem, channel_on;
unsigned int data32 = 0, size;
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
struct lvds_config_s *lvds_conf;
if (lcd_debug_print_flag)
LCDPR("%s: %d\n", __func__, status);
lvds_conf = pconf->lcd_control.lvds_config;
if (status) {
vswing = lvds_conf->phy_vswing & 0xf;
preem = lvds_conf->phy_preem & 0xf;
clk_vswing = lvds_conf->phy_clk_vswing & 0xf;
clk_preem = lvds_conf->phy_clk_preem & 0xf;
if (lcd_debug_print_flag)
LCDPR("vswing=0x%x, prrem=0x%x\n", vswing, preem);
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
case LCD_CHIP_TM2:
size = sizeof(lvds_vx1_p2p_phy_preem_tl1) /
sizeof(unsigned int);
if (preem >= size) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = 0;
}
data32 = lvds_vx1_p2p_phy_preem_tl1[preem];
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14,
0xff2027e0 | vswing);
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
case LCD_CHIP_TXHD:
if (preem > 3) {
LCDERR("%s: invalid preem=%d, use default\n",
__func__, preem);
preem = LVDS_PHY_PREEM_DFT;
}
data32 = LVDS_PHY_CNTL1_TXHD |
(vswing << 3) | (vswing << 0) | (preem << 23);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, data32);
data32 = LVDS_PHY_CNTL2_TXHD |
(preem << 14) | (preem << 12) |
(preem << 26) | (preem << 24);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, data32);
data32 = LVDS_PHY_CNTL3_TXHD |
(preem << 6) | (preem << 4) |
(preem << 2) | (preem << 0) | (preem << 30);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, data32);
break;
default:
if (vswing > 7) {
LCDERR("%s: invalid vswing=0x%x, use default\n",
__func__, vswing);
vswing = LVDS_PHY_VSWING_DFT;
}
if (preem > 7) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = LVDS_PHY_PREEM_DFT;
}
if (clk_vswing > 3) {
LCDERR("%s: invalid clk_vswing=0x%x, use default\n",
__func__, clk_vswing);
clk_vswing = LVDS_PHY_CLK_VSWING_DFT;
}
if (clk_preem > 7) {
LCDERR("%s: invalid clk_preem=0x%x, use default\n",
__func__, clk_preem);
clk_preem = LVDS_PHY_CLK_PREEM_DFT;
}
channel_on = lcd_lvds_channel_on_value(pconf);
data32 = LVDS_PHY_CNTL1_G9TV |
(vswing << 26) | (preem << 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, data32);
data32 = LVDS_PHY_CNTL2_G9TV;
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, data32);
data32 = LVDS_PHY_CNTL3_G9TV |
(channel_on << 16) |
(clk_vswing << 8) |
(clk_preem << 5);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, data32);
break;
}
} else {
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
case LCD_CHIP_TM2:
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
default:
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, 0);
break;
}
}
}
void lcd_vbyone_phy_set(struct lcd_config_s *pconf, int status)
{
unsigned int vswing, preem, ext_pullup;
unsigned int data32 = 0, size;
unsigned int rinner_table[] = {0xa, 0xa, 0x6, 0x4};
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
struct vbyone_config_s *vbyone_conf;
if (lcd_debug_print_flag)
LCDPR("%s: %d\n", __func__, status);
vbyone_conf = pconf->lcd_control.vbyone_config;
if (status) {
ext_pullup = (vbyone_conf->phy_vswing >> 4) & 0x3;
vswing = vbyone_conf->phy_vswing & 0xf;
preem = vbyone_conf->phy_preem & 0xf;
if (lcd_debug_print_flag) {
LCDPR("vswing=0x%x, prrem=0x%x\n",
vbyone_conf->phy_vswing, preem);
}
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
case LCD_CHIP_TM2:
size = sizeof(lvds_vx1_p2p_phy_preem_tl1) /
sizeof(unsigned int);
if (preem >= size) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = 0x1;
}
data32 = lvds_vx1_p2p_phy_preem_tl1[preem];
if (ext_pullup) {
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14,
0xff2027e0 | vswing);
} else {
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14,
0xf02027a0 | vswing);
}
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
default:
if (vswing > 7) {
LCDERR("%s: invalid vswing=0x%x, use default\n",
__func__, vswing);
vswing = VX1_PHY_VSWING_DFT;
}
if (preem > 7) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = VX1_PHY_PREEM_DFT;
}
if (ext_pullup) {
data32 = VX1_PHY_CNTL1_G9TV_PULLUP |
(vswing << 3);
} else {
data32 = VX1_PHY_CNTL1_G9TV | (vswing << 3);
}
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, data32);
data32 = VX1_PHY_CNTL2_G9TV | (preem << 20) |
(rinner_table[ext_pullup] << 8);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, data32);
data32 = VX1_PHY_CNTL3_G9TV;
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, data32);
break;
}
} else {
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
case LCD_CHIP_TM2:
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
default:
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, 0);
break;
}
}
}
void lcd_mlvds_phy_set(struct lcd_config_s *pconf, int status)
{
unsigned int vswing, preem;
unsigned int data32 = 0, size, cntl16;
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
struct mlvds_config_s *mlvds_conf;
if (lcd_debug_print_flag)
LCDPR("%s: %d\n", __func__, status);
mlvds_conf = pconf->lcd_control.mlvds_config;
if (status) {
vswing = mlvds_conf->phy_vswing & 0xf;
preem = mlvds_conf->phy_preem & 0xf;
if (lcd_debug_print_flag)
LCDPR("vswing=0x%x, prrem=0x%x\n", vswing, preem);
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
case LCD_CHIP_TM2:
size = sizeof(lvds_vx1_p2p_phy_preem_tl1) /
sizeof(unsigned int);
if (preem >= size) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = 0;
}
data32 = lvds_vx1_p2p_phy_preem_tl1[preem];
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14,
0xff2027e0 | vswing);
cntl16 = (mlvds_conf->pi_clk_sel << 12);
cntl16 |= 0x80000000;
lcd_phy_cntl_set_tl1(status, data32, cntl16);
break;
case LCD_CHIP_TXHD:
if (vswing > 7) {
LCDERR("%s: invalid vswing=0x%x, use default\n",
__func__, vswing);
vswing = LVDS_PHY_VSWING_DFT;
}
if (preem > 3) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = LVDS_PHY_PREEM_DFT;
}
data32 = MLVDS_PHY_CNTL1_TXHD |
(vswing << 3) | (vswing << 0) | (preem << 23);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, data32);
data32 = MLVDS_PHY_CNTL2_TXHD |
(preem << 14) | (preem << 12) |
(preem << 26) | (preem << 24);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, data32);
data32 = MLVDS_PHY_CNTL3_TXHD |
(preem << 6) | (preem << 4) |
(preem << 2) | (preem << 0) | (preem << 30);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, data32);
default:
break;
}
} else {
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
case LCD_CHIP_TM2:
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
case LCD_CHIP_TXHD:
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, 0);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, 0);
break;
default:
break;
}
}
}
void lcd_p2p_phy_set(struct lcd_config_s *pconf, int status)
{
unsigned int vswing, preem;
unsigned int data32 = 0, size;
struct p2p_config_s *p2p_conf;
LCDPR("%s: %d\n", __func__, status);
p2p_conf = pconf->lcd_control.p2p_config;
if (status) {
vswing = p2p_conf->phy_vswing & 0xf;
preem = p2p_conf->phy_preem & 0xf;
if (lcd_debug_print_flag)
LCDPR("vswing=0x%x, prrem=0x%x\n", vswing, preem);
switch (p2p_conf->p2p_type) {
case P2P_CEDS:
case P2P_CMPI:
case P2P_ISP:
case P2P_EPI:
size = sizeof(lvds_vx1_p2p_phy_preem_tl1) /
sizeof(unsigned int);
if (preem >= size) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = 0x1;
}
data32 = lvds_vx1_p2p_phy_preem_tl1[preem];
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14,
0xff2027a0 | vswing);
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
case P2P_CHPI: /* low common mode */
case P2P_CSPI:
case P2P_USIT:
size = sizeof(p2p_low_common_phy_preem_tl1) /
sizeof(unsigned int);
if (preem >= size) {
LCDERR("%s: invalid preem=0x%x, use default\n",
__func__, preem);
preem = 0x1;
}
data32 = p2p_low_common_phy_preem_tl1[preem];
if (p2p_conf->p2p_type == P2P_CHPI) {
/* weakly pull down */
data32 &= ~((1 << 19) | (1 << 3));
}
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14, 0xfe60027f);
lcd_phy_cntl_set_tl1(status, data32, 0);
break;
default:
LCDERR("%s: invalid p2p_type %d\n",
__func__, p2p_conf->p2p_type);
break;
}
} else {
lcd_phy_cntl_set_tl1(status, data32, 0);
}
}
void lcd_mipi_phy_set(struct lcd_config_s *pconf, int status)
{
unsigned int phy_reg, phy_bit, phy_width;
unsigned int lane_cnt;
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
if (status) {
switch (lcd_drv->chip_type) {
case LCD_CHIP_G12A:
case LCD_CHIP_G12B:
case LCD_CHIP_SM1:
/* HHI_MIPI_CNTL0 */
/* DIF_REF_CTL1:31-16bit, DIF_REF_CTL0:15-0bit */
lcd_hiu_write(HHI_MIPI_CNTL0,
(0xa487 << 16) | (0x8 << 0));
/* HHI_MIPI_CNTL1 */
/* DIF_REF_CTL2:15-0bit; bandgap bit16 */
lcd_hiu_write(HHI_MIPI_CNTL1,
(0x1 << 16) | (0x002e << 0));
/* HHI_MIPI_CNTL2 */
/* DIF_TX_CTL1:31-16bit, DIF_TX_CTL0:15-0bit */
lcd_hiu_write(HHI_MIPI_CNTL2,
(0x2680 << 16) | (0x45a << 0));
break;
default: /* LCD_CHIP_AXG */
/* HHI_MIPI_CNTL0 */
/* DIF_REF_CTL1:31-16bit, DIF_REF_CTL0:15-0bit */
lcd_hiu_setb(HHI_MIPI_CNTL0, 0x1b8, 16, 10);
lcd_hiu_setb(HHI_MIPI_CNTL0, 1, 26, 1); /* bandgap */
lcd_hiu_setb(HHI_MIPI_CNTL0, 1, 29, 1); /* current */
lcd_hiu_setb(HHI_MIPI_CNTL0, 1, 31, 1);
lcd_hiu_setb(HHI_MIPI_CNTL0, 0x8, 0, 16);
/* HHI_MIPI_CNTL1 */
/* DIF_REF_CTL2:15-0bit */
lcd_hiu_write(HHI_MIPI_CNTL1, (0x001e << 0));
/* HHI_MIPI_CNTL2 */
/* DIF_TX_CTL1:31-16bit, DIF_TX_CTL0:15-0bit */
lcd_hiu_write(HHI_MIPI_CNTL2,
(0x26e0 << 16) | (0x459 << 0));
break;
}
phy_reg = HHI_MIPI_CNTL2;
phy_bit = MIPI_PHY_LANE_BIT;
phy_width = MIPI_PHY_LANE_WIDTH;
switch (pconf->lcd_control.mipi_config->lane_num) {
case 1:
lane_cnt = DSI_LANE_COUNT_1;
break;
case 2:
lane_cnt = DSI_LANE_COUNT_2;
break;
case 3:
lane_cnt = DSI_LANE_COUNT_3;
break;
case 4:
lane_cnt = DSI_LANE_COUNT_4;
break;
default:
lane_cnt = 0;
break;
}
lcd_hiu_setb(phy_reg, lane_cnt, phy_bit, phy_width);
} else {
switch (lcd_drv->chip_type) {
case LCD_CHIP_G12A:
case LCD_CHIP_G12B:
case LCD_CHIP_SM1:
lcd_hiu_write(HHI_MIPI_CNTL0, 0);
lcd_hiu_write(HHI_MIPI_CNTL1, 0);
lcd_hiu_write(HHI_MIPI_CNTL2, 0);
break;
default:/* LCD_CHIP_AXG */
lcd_hiu_setb(HHI_MIPI_CNTL0, 0, 16, 10);
lcd_hiu_setb(HHI_MIPI_CNTL0, 0, 31, 1);
lcd_hiu_setb(HHI_MIPI_CNTL0, 0, 0, 16);
lcd_hiu_write(HHI_MIPI_CNTL1, 0x6);
lcd_hiu_write(HHI_MIPI_CNTL2, 0x00200000);
break;
}
}
}
void lcd_phy_tcon_chpi_bbc_init_tl1(int delay)
{
unsigned int data32 = 0x06020602;
unsigned int tmp = 0;
udelay(delay);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL1, 1, 3, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL1, 1, 19, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL2, 1, 3, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL2, 1, 19, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL3, 1, 3, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL3, 1, 19, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL4, 1, 3, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL4, 1, 19, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL6, 1, 3, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL6, 1, 19, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL7, 1, 3, 1);
lcd_hiu_setb(HHI_DIF_CSI_PHY_CNTL7, 1, 19, 1);
LCDPR("%s: delay: %dus\n", __func__, delay);
data32 |= ((phy_ctrl_bit_on << 16) |
(phy_ctrl_bit_on << 0));
tmp |= ((1 << 18) | (1 << 2));
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL14, 0xff2027ef);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL15, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL16, 0x80000000);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL8, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL1, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL9, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL2, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL10, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL3, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL11, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL4, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL12, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL6, data32);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL13, tmp);
lcd_hiu_write(HHI_DIF_CSI_PHY_CNTL7, data32);
}
int lcd_phy_probe(void)
{
struct aml_lcd_drv_s *lcd_drv = aml_lcd_get_driver();
switch (lcd_drv->chip_type) {
case LCD_CHIP_TL1:
if (lcd_drv->rev_type == 0xC)
phy_ctrl_bit_on = 1;
else
phy_ctrl_bit_on = 0;
break;
case LCD_CHIP_G12B:
if (lcd_drv->rev_type == 0xB)
phy_ctrl_bit_on = 1;
else
phy_ctrl_bit_on = 0;
break;
default:
break;
}
return 0;
}