979 lines
27 KiB
C
979 lines
27 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/uaccess.h>
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#include <linux/phy/phy.h>
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#include <linux/phy/mediatek/mtk_usb_phy.h>
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/* general */
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#define BIT_WIDTH_1 1
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#define MSK_WIDTH_1 0x1
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#define VAL_MAX_WDITH_1 0x1
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#define VAL_0_WIDTH_1 0x0
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#define VAL_1_WIDTH_1 0x1
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#define STRNG_0_WIDTH_1 "0"
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#define STRNG_1_WIDTH_1 "1"
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#define BIT_WIDTH_2 2
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#define MSK_WIDTH_2 0x3
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#define VAL_MAX_WDITH_2 0x3
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#define VAL_0_WIDTH_2 0x0
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#define VAL_1_WIDTH_2 0x1
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#define VAL_2_WIDTH_2 0x2
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#define VAL_3_WIDTH_2 0x3
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#define STRNG_0_WIDTH_2 "00"
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#define STRNG_1_WIDTH_2 "01"
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#define STRNG_2_WIDTH_2 "10"
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#define STRNG_3_WIDTH_2 "11"
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#define BIT_WIDTH_3 3
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#define MSK_WIDTH_3 0x7
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#define VAL_MAX_WDITH_3 0x7
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#define VAL_0_WIDTH_3 0x0
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#define VAL_1_WIDTH_3 0x1
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#define VAL_2_WIDTH_3 0x2
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#define VAL_3_WIDTH_3 0x3
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#define VAL_4_WIDTH_3 0x4
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#define VAL_5_WIDTH_3 0x5
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#define VAL_6_WIDTH_3 0x6
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#define VAL_7_WIDTH_3 0x7
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#define STRNG_0_WIDTH_3 "000"
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#define STRNG_1_WIDTH_3 "001"
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#define STRNG_2_WIDTH_3 "010"
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#define STRNG_3_WIDTH_3 "011"
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#define STRNG_4_WIDTH_3 "100"
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#define STRNG_5_WIDTH_3 "101"
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#define STRNG_6_WIDTH_3 "110"
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#define STRNG_7_WIDTH_3 "111"
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#define BIT_WIDTH_4 4
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#define MSK_WIDTH_4 0xf
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#define VAL_MAX_WDITH_4 0xf
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#define VAL_0_WIDTH_4 0x0
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#define VAL_1_WIDTH_4 0x1
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#define VAL_2_WIDTH_4 0x2
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#define VAL_3_WIDTH_4 0x3
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#define VAL_4_WIDTH_4 0x4
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#define VAL_5_WIDTH_4 0x5
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#define VAL_6_WIDTH_4 0x6
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#define VAL_7_WIDTH_4 0x7
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#define VAL_8_WIDTH_4 0x8
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#define VAL_9_WIDTH_4 0x9
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#define VAL_A_WIDTH_4 0xa
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#define VAL_B_WIDTH_4 0xb
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#define VAL_C_WIDTH_4 0xc
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#define VAL_D_WIDTH_4 0xd
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#define VAL_E_WIDTH_4 0xe
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#define VAL_F_WIDTH_4 0xf
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#define STRNG_0_WIDTH_4 "0000"
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#define STRNG_1_WIDTH_4 "0001"
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#define STRNG_2_WIDTH_4 "0010"
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#define STRNG_3_WIDTH_4 "0011"
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#define STRNG_4_WIDTH_4 "0100"
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#define STRNG_5_WIDTH_4 "0101"
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#define STRNG_6_WIDTH_4 "0110"
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#define STRNG_7_WIDTH_4 "0111"
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#define STRNG_8_WIDTH_4 "1000"
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#define STRNG_9_WIDTH_4 "1001"
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#define STRNG_A_WIDTH_4 "1010"
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#define STRNG_B_WIDTH_4 "1011"
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#define STRNG_C_WIDTH_4 "1100"
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#define STRNG_D_WIDTH_4 "1101"
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#define STRNG_E_WIDTH_4 "1110"
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#define STRNG_F_WIDTH_4 "1111"
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#define BIT_WIDTH_5 5
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#define MSK_WIDTH_5 0x1f
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#define VAL_MAX_WDITH_5 0x1f
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#define VAL_0_WIDTH_5 0x0
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#define VAL_1_WIDTH_5 0x1
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#define VAL_18_WIDTH_5 0x12
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#define VAL_20_WIDTH_5 0x14
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#define VAL_30_WIDTH_5 0x1e
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#define VAL_31_WIDTH_5 0x1f
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#define STRNG_0_WIDTH_5 "00000"
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#define STRNG_1_WIDTH_5 "00001"
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#define STRNG_18_WIDTH_5 "10010"
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#define STRNG_20_WIDTH_5 "10100"
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#define STRNG_30_WIDTH_5 "11110"
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#define STRNG_31_WIDTH_5 "11111"
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/* specific */
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#define FILE_USB_DRIVING_CAPABILITY "USB_DRIVING_CAPABILITY"
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#define FILE_RG_USB20_TERM_VREF_SEL "RG_USB20_TERM_VREF_SEL"
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#define MSK_RG_USB20_TERM_VREF_SEL MSK_WIDTH_3
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#define SHFT_RG_USB20_TERM_VREF_SEL 8
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#define OFFSET_RG_USB20_TERM_VREF_SEL 0x4
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#define FILE_RG_USB20_HSTX_SRCTRL "RG_USB20_HSTX_SRCTRL"
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#define MSK_RG_USB20_HSTX_SRCTRL MSK_WIDTH_3
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#define SHFT_RG_USB20_HSTX_SRCTRL 12
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#define OFFSET_RG_USB20_HSTX_SRCTRL 0x14
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#define FILE_RG_USB20_VRT_VREF_SEL "RG_USB20_VRT_VREF_SEL"
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#define MSK_RG_USB20_VRT_VREF_SEL MSK_WIDTH_3
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#define SHFT_RG_USB20_VRT_VREF_SEL 12
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#define OFFSET_RG_USB20_VRT_VREF_SEL 0x4
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#define FILE_RG_USB20_INTR_EN "RG_USB20_INTR_EN"
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#define MSK_RG_USB20_INTR_EN MSK_WIDTH_1
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#define SHFT_RG_USB20_INTR_EN 5
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#define OFFSET_RG_USB20_INTR_EN 0x0
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#define FILE_RG_USB20_PHY_REV6 "RG_USB20_PHY_REV6"
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#define MSK_RG_USB20_PHY_REV6 MSK_WIDTH_2
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#define SHFT_RG_USB20_PHY_REV6 30
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#define OFFSET_RG_USB20_PHY_REV6 0x18
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#define FILE_RG_USB20_INTR_CAL "RG_USB20_INTR_CAL"
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#define MSK_RG_USB20_INTR_CAL MSK_WIDTH_5
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#define SHFT_RG_USB20_INTR_CAL 19
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#define OFFSET_RG_USB20_INTR_CAL 0x4
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#define FILE_RG_USB20_DISCTH "RG_USB20_DISCTH"
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#define MSK_RG_USB20_DISCTH MSK_WIDTH_4
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#define SHFT_RG_USB20_DISCTH 4
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#define OFFSET_RG_USB20_DISCTH 0x18
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#define FILE_REG_DEBUG "phy_reg"
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static struct proc_dir_entry *usb20_phy_procfs_root;
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static u32 ippc_value, ippc_addr;
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static void u3phywrite32(struct phy *phy, int offset, int mask, int value)
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{
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u32 cur_value;
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u32 new_value;
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cur_value = usb_mtkphy_io_read(phy, offset);
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new_value = (cur_value & (~mask)) | value;
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usb_mtkphy_io_write(phy, new_value, offset);
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}
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static void usb20_phy_debugfs_write_width1(struct phy *phy, u8 offset, u8 shift,
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char *buf)
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{
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u32 set_val = 0;
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pr_debug("s(%s)\n", buf);
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if (!strncmp(buf, STRNG_0_WIDTH_1, BIT_WIDTH_1)) {
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pr_debug("%s case\n", STRNG_0_WIDTH_1);
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set_val = VAL_0_WIDTH_1;
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} else if (!strncmp(buf, STRNG_1_WIDTH_1, BIT_WIDTH_1)) {
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pr_debug("%s case\n", STRNG_1_WIDTH_1);
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set_val = VAL_1_WIDTH_1;
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} else
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return;
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u3phywrite32(phy, offset, MSK_WIDTH_1 << shift, set_val << shift);
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}
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static void usb20_phy_debugfs_rev6_write(struct phy *phy, u8 offset, u8 shift,
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char *buf)
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{
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u32 set_val = 0xFF;
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pr_debug("s(%s)\n", buf);
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if (!strncmp(buf, STRNG_0_WIDTH_2, BIT_WIDTH_2)) {
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pr_debug("%s case\n", STRNG_0_WIDTH_2);
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set_val = VAL_0_WIDTH_2;
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} else if (!strncmp(buf, STRNG_1_WIDTH_2, BIT_WIDTH_2)) {
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pr_debug("%s case\n", STRNG_1_WIDTH_2);
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set_val = VAL_1_WIDTH_2;
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} else if (!strncmp(buf, STRNG_2_WIDTH_2, BIT_WIDTH_2)) {
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pr_debug("%s case\n", STRNG_2_WIDTH_2);
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set_val = VAL_2_WIDTH_2;
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} else if (!strncmp(buf, STRNG_3_WIDTH_2, BIT_WIDTH_2)) {
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pr_debug("%s case\n", STRNG_3_WIDTH_2);
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set_val = VAL_3_WIDTH_2;
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} else
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return;
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u3phywrite32(phy, offset, MSK_WIDTH_2 << shift, set_val << shift);
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}
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static void usb20_phy_debugfs_write_width3(struct phy *phy, u8 offset, u8 shift,
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char *buf)
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{
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u32 set_val = 0;
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pr_debug("s(%s)\n", buf);
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if (!strncmp(buf, STRNG_0_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_0_WIDTH_3);
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set_val = VAL_0_WIDTH_3;
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} else if (!strncmp(buf, STRNG_1_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_1_WIDTH_3);
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set_val = VAL_1_WIDTH_3;
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} else if (!strncmp(buf, STRNG_2_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_2_WIDTH_3);
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set_val = VAL_2_WIDTH_3;
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} else if (!strncmp(buf, STRNG_3_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_3_WIDTH_3);
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set_val = VAL_3_WIDTH_3;
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} else if (!strncmp(buf, STRNG_4_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_4_WIDTH_3);
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set_val = VAL_4_WIDTH_3;
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} else if (!strncmp(buf, STRNG_5_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_5_WIDTH_3);
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set_val = VAL_5_WIDTH_3;
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} else if (!strncmp(buf, STRNG_6_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_6_WIDTH_3);
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set_val = VAL_6_WIDTH_3;
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} else if (!strncmp(buf, STRNG_7_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_7_WIDTH_3);
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set_val = VAL_7_WIDTH_3;
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} else
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return;
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u3phywrite32(phy, offset, MSK_WIDTH_3 << shift, set_val << shift);
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}
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static void usb20_phy_debugfs_write_width4(struct phy *phy, u8 offset, u8 shift,
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char *buf)
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{
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u32 set_val = 0;
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pr_debug("s(%s)\n", buf);
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if (!strncmp(buf, STRNG_0_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_0_WIDTH_4);
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set_val = VAL_0_WIDTH_4;
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} else if (!strncmp(buf, STRNG_1_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_1_WIDTH_4);
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set_val = VAL_1_WIDTH_4;
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} else if (!strncmp(buf, STRNG_2_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_2_WIDTH_4);
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set_val = VAL_2_WIDTH_4;
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} else if (!strncmp(buf, STRNG_3_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_3_WIDTH_4);
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set_val = VAL_3_WIDTH_4;
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} else if (!strncmp(buf, STRNG_4_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_4_WIDTH_4);
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set_val = VAL_4_WIDTH_4;
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} else if (!strncmp(buf, STRNG_5_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_5_WIDTH_4);
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set_val = VAL_5_WIDTH_4;
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} else if (!strncmp(buf, STRNG_6_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_6_WIDTH_4);
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set_val = VAL_6_WIDTH_4;
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} else if (!strncmp(buf, STRNG_7_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_7_WIDTH_4);
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set_val = VAL_7_WIDTH_4;
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} else if (!strncmp(buf, STRNG_8_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_8_WIDTH_4);
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set_val = VAL_8_WIDTH_4;
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} else if (!strncmp(buf, STRNG_9_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_9_WIDTH_4);
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set_val = VAL_9_WIDTH_4;
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} else if (!strncmp(buf, STRNG_A_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_A_WIDTH_4);
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set_val = VAL_A_WIDTH_4;
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} else if (!strncmp(buf, STRNG_B_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_B_WIDTH_4);
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set_val = VAL_B_WIDTH_4;
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} else if (!strncmp(buf, STRNG_C_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_C_WIDTH_4);
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set_val = VAL_C_WIDTH_4;
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} else if (!strncmp(buf, STRNG_D_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_D_WIDTH_4);
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set_val = VAL_D_WIDTH_4;
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} else if (!strncmp(buf, STRNG_E_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_E_WIDTH_4);
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set_val = VAL_E_WIDTH_4;
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} else if (!strncmp(buf, STRNG_F_WIDTH_4, BIT_WIDTH_4)) {
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pr_debug("%s case\n", STRNG_F_WIDTH_4);
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set_val = VAL_F_WIDTH_4;
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} else
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return;
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u3phywrite32(phy, offset, MSK_WIDTH_4 << shift, set_val << shift);
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}
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static void usb20_phy_debugfs_write_width5(struct phy *phy, u8 offset, u8 shift,
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char *buf)
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{
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u32 set_val = 0;
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pr_debug("s(%s)\n", buf);
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if (!strncmp(buf, STRNG_0_WIDTH_5, BIT_WIDTH_5)) {
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pr_debug("%s case\n", STRNG_0_WIDTH_5);
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set_val = VAL_0_WIDTH_5;
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} else if (!strncmp(buf, STRNG_1_WIDTH_5, BIT_WIDTH_5)) {
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pr_debug("%s case\n", STRNG_1_WIDTH_5);
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set_val = VAL_1_WIDTH_5;
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} else if (!strncmp(buf, STRNG_18_WIDTH_5, BIT_WIDTH_5)) {
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pr_debug("%s case\n", STRNG_18_WIDTH_5);
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set_val = VAL_18_WIDTH_5;
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} else if (!strncmp(buf, STRNG_20_WIDTH_5, BIT_WIDTH_5)) {
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pr_debug("%s case\n", STRNG_20_WIDTH_5);
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set_val = VAL_20_WIDTH_5;
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} else if (!strncmp(buf, STRNG_30_WIDTH_5, BIT_WIDTH_5)) {
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pr_debug("%s case\n", STRNG_30_WIDTH_5);
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set_val = VAL_30_WIDTH_5;
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} else if (!strncmp(buf, STRNG_31_WIDTH_5, BIT_WIDTH_5)) {
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pr_debug("%s case\n", STRNG_31_WIDTH_5);
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set_val = VAL_31_WIDTH_5;
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} else
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return;
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u3phywrite32(phy, offset, MSK_WIDTH_5 << shift, set_val << shift);
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}
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static u8 usb20_phy_debugfs_read_val(u32 val, u8 width, char *str)
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{
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int i, temp;
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temp = val;
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str[width] = '\0';
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for (i = (width - 1); i >= 0; i--) {
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if (val % 2)
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str[i] = '1';
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else
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str[i] = '0';
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pr_debug("str[%d]:%c\n", i, str[i]);
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val /= 2;
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}
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pr_debug("str(%s)\n", str);
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return val;
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}
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static int usb_driving_capability_show(struct seq_file *s, void *unused)
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{
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struct phy *phy = s->private;
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u32 val;
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char str[16];
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u8 combined_val, tmp_val = 0xff;
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val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_TERM_VREF_SEL));
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val = val >> SHFT_RG_USB20_TERM_VREF_SEL;
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val = val & MSK_RG_USB20_TERM_VREF_SEL;
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val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_3, str);
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if (!strncmp(str, STRNG_0_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_0_WIDTH_3);
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tmp_val = VAL_0_WIDTH_3;
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} else if (!strncmp(str, STRNG_1_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_1_WIDTH_3);
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tmp_val = VAL_1_WIDTH_3;
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} else if (!strncmp(str, STRNG_2_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_2_WIDTH_3);
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tmp_val = VAL_2_WIDTH_3;
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} else if (!strncmp(str, STRNG_3_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_3_WIDTH_3);
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tmp_val = VAL_3_WIDTH_3;
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} else if (!strncmp(str, STRNG_4_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_4_WIDTH_3);
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tmp_val = VAL_4_WIDTH_3;
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} else if (!strncmp(str, STRNG_5_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_5_WIDTH_3);
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tmp_val = VAL_5_WIDTH_3;
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} else if (!strncmp(str, STRNG_6_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_6_WIDTH_3);
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tmp_val = VAL_6_WIDTH_3;
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} else if (!strncmp(str, STRNG_7_WIDTH_3, BIT_WIDTH_3)) {
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pr_debug("%s case\n", STRNG_7_WIDTH_3);
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tmp_val = VAL_7_WIDTH_3;
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}
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combined_val = tmp_val;
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val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_VRT_VREF_SEL));
|
|
val = val >> SHFT_RG_USB20_VRT_VREF_SEL;
|
|
val = val & MSK_RG_USB20_VRT_VREF_SEL;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_3, str);
|
|
|
|
if (!strncmp(str, STRNG_0_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_0_WIDTH_3);
|
|
tmp_val = VAL_0_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_1_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_1_WIDTH_3);
|
|
tmp_val = VAL_1_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_2_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_2_WIDTH_3);
|
|
tmp_val = VAL_2_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_3_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_3_WIDTH_3);
|
|
tmp_val = VAL_3_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_4_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_4_WIDTH_3);
|
|
tmp_val = VAL_4_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_5_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_5_WIDTH_3);
|
|
tmp_val = VAL_5_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_6_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_6_WIDTH_3);
|
|
tmp_val = VAL_6_WIDTH_3;
|
|
} else if (!strncmp(str, STRNG_7_WIDTH_3, BIT_WIDTH_3)) {
|
|
pr_debug("%s case\n", STRNG_7_WIDTH_3);
|
|
tmp_val = VAL_7_WIDTH_3;
|
|
}
|
|
|
|
pr_debug("combined_val(%d), tmp_val(%d)\n", combined_val, tmp_val);
|
|
if ((tmp_val == (combined_val - 1)) || (tmp_val == combined_val))
|
|
combined_val += tmp_val;
|
|
else
|
|
combined_val = tmp_val * (VAL_MAX_WDITH_3 + 1) + combined_val;
|
|
|
|
pr_debug("combined_val(%d), tmp_val(%d)\n", combined_val, tmp_val);
|
|
|
|
seq_printf(s, "%s = %d\n", FILE_USB_DRIVING_CAPABILITY, combined_val);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_term_vref_sel_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_TERM_VREF_SEL));
|
|
val = val >> SHFT_RG_USB20_TERM_VREF_SEL;
|
|
val = val & MSK_RG_USB20_TERM_VREF_SEL;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_3, str);
|
|
|
|
seq_printf(s, "%s= %s\n", FILE_RG_USB20_TERM_VREF_SEL, str);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_hstx_srctrl_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_HSTX_SRCTRL));
|
|
val = val >> SHFT_RG_USB20_HSTX_SRCTRL;
|
|
val = val & MSK_RG_USB20_HSTX_SRCTRL;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_3, str);
|
|
|
|
seq_printf(s, "%s = %s\n", FILE_RG_USB20_HSTX_SRCTRL, str);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_vrt_vref_sel_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_VRT_VREF_SEL));
|
|
val = val >> SHFT_RG_USB20_VRT_VREF_SEL;
|
|
val = val & MSK_RG_USB20_VRT_VREF_SEL;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_3, str);
|
|
|
|
seq_printf(s, "%s = %s\n", FILE_RG_USB20_VRT_VREF_SEL, str);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_intr_en_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_INTR_EN));
|
|
val = val >> SHFT_RG_USB20_INTR_EN;
|
|
val = val & MSK_RG_USB20_INTR_EN;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_1, str);
|
|
|
|
seq_printf(s, "%s = %s\n", FILE_RG_USB20_INTR_EN, str);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_rev6_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_PHY_REV6));
|
|
val = val >> SHFT_RG_USB20_PHY_REV6;
|
|
val = val & MSK_RG_USB20_PHY_REV6;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_2, str);
|
|
|
|
seq_printf(s, "%s = %s\n", FILE_RG_USB20_PHY_REV6, str);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_intr_cal_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_INTR_CAL));
|
|
val = val >> SHFT_RG_USB20_INTR_CAL;
|
|
val = val & MSK_RG_USB20_INTR_CAL;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_5, str);
|
|
|
|
seq_printf(s, "%s = %s\n", FILE_RG_USB20_INTR_CAL, str);
|
|
return 0;
|
|
}
|
|
|
|
static int rg_usb20_discth_show(struct seq_file *s, void *unused)
|
|
{
|
|
struct phy *phy = s->private;
|
|
u32 val;
|
|
char str[16];
|
|
|
|
val = usb_mtkphy_io_read(phy, (OFFSET_RG_USB20_DISCTH));
|
|
val = val >> SHFT_RG_USB20_DISCTH;
|
|
val = val & MSK_RG_USB20_DISCTH;
|
|
val = usb20_phy_debugfs_read_val(val, BIT_WIDTH_4, str);
|
|
|
|
seq_printf(s, "%s = %s\n", FILE_RG_USB20_DISCTH, str);
|
|
return 0;
|
|
}
|
|
|
|
static int phy_rw_show(struct seq_file *s, void *unused)
|
|
{
|
|
seq_printf(s, "phy[0x%x] = 0x%x\n", ippc_addr, ippc_value);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int usb_driving_capability_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, usb_driving_capability_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_term_vref_sel_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_term_vref_sel_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_hstx_srctrl_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_hstx_srctrl_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_vrt_vref_sel_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_vrt_vref_sel_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_intr_en_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_intr_en_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_rev6_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_rev6_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_intr_cal_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_intr_cal_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int rg_usb20_discth_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, rg_usb20_discth_show, PDE_DATA(inode));
|
|
}
|
|
|
|
static int phy_rw_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, phy_rw_show, PDE_DATA(inode));
|
|
}
|
|
|
|
void val_to_bstring_width3(u8 val, char *str)
|
|
{
|
|
switch (val) {
|
|
case VAL_0_WIDTH_3:
|
|
memcpy(str, STRNG_0_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_1_WIDTH_3:
|
|
memcpy(str, STRNG_1_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_2_WIDTH_3:
|
|
memcpy(str, STRNG_2_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_3_WIDTH_3:
|
|
memcpy(str, STRNG_3_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_4_WIDTH_3:
|
|
memcpy(str, STRNG_4_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_5_WIDTH_3:
|
|
memcpy(str, STRNG_5_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_6_WIDTH_3:
|
|
memcpy(str, STRNG_6_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
case VAL_7_WIDTH_3:
|
|
memcpy(str, STRNG_7_WIDTH_3, BIT_WIDTH_3 + 1);
|
|
break;
|
|
}
|
|
|
|
pr_debug("val(%d), str(%s)\n", val, str);
|
|
}
|
|
|
|
static ssize_t usb_driving_capability_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
u8 val, tmp_val;
|
|
char str_rg_usb20_term_vref_sel[18], str_rg_usb20_vrt_vref_sel[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
pr_debug("\n");
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
|
|
if (kstrtou8(buf, 10, &val) != 0) {
|
|
pr_debug("kstrtou8, err(%d)\n", kstrtou8(buf, 10, &val));
|
|
return count;
|
|
}
|
|
pr_debug("kstrtol, val(%d)\n", val);
|
|
|
|
if (val > VAL_7_WIDTH_3 * 2) {
|
|
pr_debug("wrong val set(%d), direct return\n", val);
|
|
return count;
|
|
}
|
|
tmp_val = val;
|
|
val /= 2;
|
|
|
|
pr_debug("val(%d), tmp_val(%d)\n", val, tmp_val);
|
|
val_to_bstring_width3(tmp_val - val, str_rg_usb20_term_vref_sel);
|
|
val_to_bstring_width3(val, str_rg_usb20_vrt_vref_sel);
|
|
pr_debug("Config TERM_VREF_SEL %s\n", str_rg_usb20_term_vref_sel);
|
|
usb20_phy_debugfs_write_width3(phy, OFFSET_RG_USB20_TERM_VREF_SEL,
|
|
SHFT_RG_USB20_TERM_VREF_SEL, str_rg_usb20_term_vref_sel);
|
|
pr_debug("Config VRT_VREF_SEL %s\n", str_rg_usb20_vrt_vref_sel);
|
|
usb20_phy_debugfs_write_width3(phy, OFFSET_RG_USB20_VRT_VREF_SEL,
|
|
SHFT_RG_USB20_VRT_VREF_SEL, str_rg_usb20_vrt_vref_sel);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_term_vref_sel_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_write_width3(phy, OFFSET_RG_USB20_TERM_VREF_SEL,
|
|
SHFT_RG_USB20_TERM_VREF_SEL, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_hstx_srctrl_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_write_width3(phy, OFFSET_RG_USB20_HSTX_SRCTRL,
|
|
SHFT_RG_USB20_HSTX_SRCTRL, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_vrt_vref_sel_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_write_width3(phy, OFFSET_RG_USB20_VRT_VREF_SEL,
|
|
SHFT_RG_USB20_VRT_VREF_SEL, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_intr_en_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_write_width1(phy, OFFSET_RG_USB20_INTR_EN,
|
|
SHFT_RG_USB20_INTR_EN, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_rev6_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_rev6_write(phy, OFFSET_RG_USB20_PHY_REV6,
|
|
SHFT_RG_USB20_PHY_REV6, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_intr_cal_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_write_width5(phy, OFFSET_RG_USB20_INTR_CAL,
|
|
SHFT_RG_USB20_INTR_CAL, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rg_usb20_discth_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[18];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
usb20_phy_debugfs_write_width4(phy, OFFSET_RG_USB20_DISCTH,
|
|
SHFT_RG_USB20_DISCTH, buf);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t phy_rw_write(struct file *file,
|
|
const char __user *ubuf, size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = file->private_data;
|
|
struct phy *phy = s->private;
|
|
char buf[40];
|
|
|
|
memset(buf, 0x00, sizeof(buf));
|
|
|
|
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
|
|
return -EFAULT;
|
|
|
|
if (!strncmp(buf, "w", 1)) {
|
|
u32 offset;
|
|
u32 value;
|
|
u32 shift;
|
|
u32 mask;
|
|
|
|
if (sscanf(buf, "w32 0x%x:%d:0x%x:0x%x",
|
|
&offset, &shift, &mask, &value) == 4) {
|
|
if ((offset % 4) != 0) {
|
|
pr_notice("Must use 32bits alignment address\n");
|
|
return count;
|
|
}
|
|
u3phywrite32(phy, offset,
|
|
mask << shift, value << shift);
|
|
} else
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (!strncmp(buf, "r", 1)) {
|
|
u32 offset;
|
|
|
|
if (sscanf(buf, "r32 0x%x", &offset) == 1) {
|
|
if ((offset % 4) != 0) {
|
|
pr_notice("Must use 32bits alignment address\n");
|
|
return count;
|
|
}
|
|
ippc_addr = offset;
|
|
ippc_value = usb_mtkphy_io_read(phy, ippc_addr);
|
|
}
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
|
|
|
|
static const struct file_operations usb_driving_capability_fops = {
|
|
.open = usb_driving_capability_open,
|
|
.write = usb_driving_capability_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_term_vref_sel_fops = {
|
|
.open = rg_usb20_term_vref_sel_open,
|
|
.write = rg_usb20_term_vref_sel_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_hstx_srctrl_fops = {
|
|
.open = rg_usb20_hstx_srctrl_open,
|
|
.write = rg_usb20_hstx_srctrl_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_vrt_vref_sel_fops = {
|
|
.open = rg_usb20_vrt_vref_sel_open,
|
|
.write = rg_usb20_vrt_vref_sel_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_intr_en_fops = {
|
|
.open = rg_usb20_intr_en_open,
|
|
.write = rg_usb20_intr_en_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_rev6_fops = {
|
|
.open = rg_usb20_rev6_open,
|
|
.write = rg_usb20_rev6_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_intr_cal_fops = {
|
|
.open = rg_usb20_intr_cal_open,
|
|
.write = rg_usb20_intr_cal_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations rg_usb20_discth_fops = {
|
|
.open = rg_usb20_discth_open,
|
|
.write = rg_usb20_discth_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static const struct file_operations phy_rw_fops = {
|
|
.open = phy_rw_open,
|
|
.write = phy_rw_write,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
int mtu3_phy_init_debugfs(struct phy *phy)
|
|
{
|
|
struct proc_dir_entry *root;
|
|
struct proc_dir_entry *file;
|
|
int ret;
|
|
|
|
proc_mkdir("mtk_usb", NULL);
|
|
|
|
root = proc_mkdir("mtk_usb/usb20_phy", NULL);
|
|
if (!root) {
|
|
ret = -ENOMEM;
|
|
goto err0;
|
|
}
|
|
|
|
file = proc_create_data(FILE_USB_DRIVING_CAPABILITY, 0644,
|
|
root, &usb_driving_capability_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_TERM_VREF_SEL, 0644,
|
|
root, &rg_usb20_term_vref_sel_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_HSTX_SRCTRL, 0644,
|
|
root, &rg_usb20_hstx_srctrl_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_VRT_VREF_SEL, 0644,
|
|
root, &rg_usb20_vrt_vref_sel_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_INTR_EN, 0644,
|
|
root, &rg_usb20_intr_en_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_PHY_REV6, 0644,
|
|
root, &rg_usb20_rev6_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_INTR_CAL, 0644,
|
|
root, &rg_usb20_intr_cal_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_RG_USB20_DISCTH, 0644,
|
|
root, &rg_usb20_discth_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
file = proc_create_data(FILE_REG_DEBUG, 0644,
|
|
root, &phy_rw_fops, phy);
|
|
if (!file) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
|
|
usb20_phy_procfs_root = root;
|
|
return 0;
|
|
|
|
err1:
|
|
proc_remove(root);
|
|
|
|
err0:
|
|
return ret;
|
|
}
|
|
|
|
int mtu3_phy_exit_debugfs(void)
|
|
{
|
|
proc_remove(usb20_phy_procfs_root);
|
|
return 0;
|
|
}
|