projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 04896a77 | 1 | /* |
| 04896a77 RL |
2 | * Copyright (C) 2007 Google, Inc. |
| 3 | * Author: Robert Love <rlove@google.com> | |
| ec8f29e7 | 4 | * Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
| 04896a77 RL |
5 | * |
| 6 | * This software is licensed under the terms of the GNU General Public | |
| 7 | * License version 2, as published by the Free Software Foundation, and | |
| 8 | * may be copied, distributed, and modified under those terms. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef __DRIVERS_SERIAL_MSM_SERIAL_H | |
| 17 | #define __DRIVERS_SERIAL_MSM_SERIAL_H | |
| 18 | ||
| 19 | #define UART_MR1 0x0000 | |
| 20 | ||
| 21 | #define UART_MR1_AUTO_RFR_LEVEL0 0x3F | |
| 22 | #define UART_MR1_AUTO_RFR_LEVEL1 0x3FF00 | |
| 23 | #define UART_MR1_RX_RDY_CTL (1 << 7) | |
| 24 | #define UART_MR1_CTS_CTL (1 << 6) | |
| 25 | ||
| 26 | #define UART_MR2 0x0004 | |
| 27 | #define UART_MR2_ERROR_MODE (1 << 6) | |
| 28 | #define UART_MR2_BITS_PER_CHAR 0x30 | |
| 29 | #define UART_MR2_BITS_PER_CHAR_5 (0x0 << 4) | |
| 30 | #define UART_MR2_BITS_PER_CHAR_6 (0x1 << 4) | |
| 31 | #define UART_MR2_BITS_PER_CHAR_7 (0x2 << 4) | |
| 32 | #define UART_MR2_BITS_PER_CHAR_8 (0x3 << 4) | |
| 33 | #define UART_MR2_STOP_BIT_LEN_ONE (0x1 << 2) | |
| 34 | #define UART_MR2_STOP_BIT_LEN_TWO (0x3 << 2) | |
| 35 | #define UART_MR2_PARITY_MODE_NONE 0x0 | |
| 36 | #define UART_MR2_PARITY_MODE_ODD 0x1 | |
| 37 | #define UART_MR2_PARITY_MODE_EVEN 0x2 | |
| 38 | #define UART_MR2_PARITY_MODE_SPACE 0x3 | |
| 39 | #define UART_MR2_PARITY_MODE 0x3 | |
| 40 | ||
| 41 | #define UART_CSR 0x0008 | |
| 42 | #define UART_CSR_115200 0xFF | |
| 43 | #define UART_CSR_57600 0xEE | |
| 44 | #define UART_CSR_38400 0xDD | |
| 45 | #define UART_CSR_28800 0xCC | |
| 46 | #define UART_CSR_19200 0xBB | |
| 47 | #define UART_CSR_14400 0xAA | |
| 48 | #define UART_CSR_9600 0x99 | |
| 49 | #define UART_CSR_4800 0x77 | |
| 50 | #define UART_CSR_2400 0x55 | |
| 51 | #define UART_CSR_1200 0x44 | |
| 52 | #define UART_CSR_600 0x33 | |
| 53 | #define UART_CSR_300 0x22 | |
| 54 | ||
| 55 | #define UART_TF 0x000C | |
| ec8f29e7 | 56 | #define UARTDM_TF 0x0070 |
| 04896a77 RL |
57 | |
| 58 | #define UART_CR 0x0010 | |
| 59 | #define UART_CR_CMD_NULL (0 << 4) | |
| 60 | #define UART_CR_CMD_RESET_RX (1 << 4) | |
| 61 | #define UART_CR_CMD_RESET_TX (2 << 4) | |
| 62 | #define UART_CR_CMD_RESET_ERR (3 << 4) | |
| 63 | #define UART_CR_CMD_RESET_BREAK_INT (4 << 4) | |
| 64 | #define UART_CR_CMD_START_BREAK (5 << 4) | |
| 65 | #define UART_CR_CMD_STOP_BREAK (6 << 4) | |
| 66 | #define UART_CR_CMD_RESET_CTS (7 << 4) | |
| ec8f29e7 | 67 | #define UART_CR_CMD_RESET_STALE_INT (8 << 4) |
| 04896a77 RL |
68 | #define UART_CR_CMD_PACKET_MODE (9 << 4) |
| 69 | #define UART_CR_CMD_MODE_RESET (12 << 4) | |
| 70 | #define UART_CR_CMD_SET_RFR (13 << 4) | |
| 71 | #define UART_CR_CMD_RESET_RFR (14 << 4) | |
| ec8f29e7 SM |
72 | #define UART_CR_CMD_PROTECTION_EN (16 << 4) |
| 73 | #define UART_CR_CMD_STALE_EVENT_ENABLE (80 << 4) | |
| 04896a77 | 74 | #define UART_CR_TX_DISABLE (1 << 3) |
| ec8f29e7 SM |
75 | #define UART_CR_TX_ENABLE (1 << 2) |
| 76 | #define UART_CR_RX_DISABLE (1 << 1) | |
| 77 | #define UART_CR_RX_ENABLE (1 << 0) | |
| 04896a77 RL |
78 | |
| 79 | #define UART_IMR 0x0014 | |
| 80 | #define UART_IMR_TXLEV (1 << 0) | |
| 81 | #define UART_IMR_RXSTALE (1 << 3) | |
| 82 | #define UART_IMR_RXLEV (1 << 4) | |
| 83 | #define UART_IMR_DELTA_CTS (1 << 5) | |
| 84 | #define UART_IMR_CURRENT_CTS (1 << 6) | |
| 85 | ||
| 86 | #define UART_IPR_RXSTALE_LAST 0x20 | |
| 87 | #define UART_IPR_STALE_LSB 0x1F | |
| 88 | #define UART_IPR_STALE_TIMEOUT_MSB 0x3FF80 | |
| 89 | ||
| 90 | #define UART_IPR 0x0018 | |
| 91 | #define UART_TFWR 0x001C | |
| 92 | #define UART_RFWR 0x0020 | |
| 93 | #define UART_HCR 0x0024 | |
| 94 | ||
| 95 | #define UART_MREG 0x0028 | |
| 96 | #define UART_NREG 0x002C | |
| 97 | #define UART_DREG 0x0030 | |
| 98 | #define UART_MNDREG 0x0034 | |
| 99 | #define UART_IRDA 0x0038 | |
| 100 | #define UART_MISR_MODE 0x0040 | |
| 101 | #define UART_MISR_RESET 0x0044 | |
| 102 | #define UART_MISR_EXPORT 0x0048 | |
| 103 | #define UART_MISR_VAL 0x004C | |
| 104 | #define UART_TEST_CTRL 0x0050 | |
| 105 | ||
| 106 | #define UART_SR 0x0008 | |
| 107 | #define UART_SR_HUNT_CHAR (1 << 7) | |
| 108 | #define UART_SR_RX_BREAK (1 << 6) | |
| 109 | #define UART_SR_PAR_FRAME_ERR (1 << 5) | |
| 110 | #define UART_SR_OVERRUN (1 << 4) | |
| 111 | #define UART_SR_TX_EMPTY (1 << 3) | |
| 112 | #define UART_SR_TX_READY (1 << 2) | |
| 113 | #define UART_SR_RX_FULL (1 << 1) | |
| 114 | #define UART_SR_RX_READY (1 << 0) | |
| 115 | ||
| ec8f29e7 SM |
116 | #define UART_RF 0x000C |
| 117 | #define UARTDM_RF 0x0070 | |
| 118 | #define UART_MISR 0x0010 | |
| 119 | #define UART_ISR 0x0014 | |
| 120 | #define UART_ISR_TX_READY (1 << 7) | |
| 121 | ||
| 122 | #define GSBI_CONTROL 0x0 | |
| 123 | #define GSBI_PROTOCOL_CODE 0x30 | |
| 124 | #define GSBI_PROTOCOL_UART 0x40 | |
| 125 | #define GSBI_PROTOCOL_IDLE 0x0 | |
| 126 | ||
| 127 | #define UARTDM_DMRX 0x34 | |
| 128 | #define UARTDM_NCF_TX 0x40 | |
| 129 | #define UARTDM_RX_TOTAL_SNAP 0x38 | |
| 04896a77 | 130 | |
| 18c79d76 AD |
131 | #define UART_TO_MSM(uart_port) ((struct msm_port *) uart_port) |
| 132 | ||
| 133 | static inline | |
| 134 | void msm_write(struct uart_port *port, unsigned int val, unsigned int off) | |
| 135 | { | |
| 136 | __raw_writel(val, port->membase + off); | |
| 137 | } | |
| 138 | ||
| 139 | static inline | |
| 140 | unsigned int msm_read(struct uart_port *port, unsigned int off) | |
| 141 | { | |
| 142 | return __raw_readl(port->membase + off); | |
| 143 | } | |
| 144 | ||
| 145 | /* | |
| 146 | * Setup the MND registers to use the TCXO clock. | |
| 147 | */ | |
| 148 | static inline void msm_serial_set_mnd_regs_tcxo(struct uart_port *port) | |
| 149 | { | |
| 150 | msm_write(port, 0x06, UART_MREG); | |
| 151 | msm_write(port, 0xF1, UART_NREG); | |
| 152 | msm_write(port, 0x0F, UART_DREG); | |
| 153 | msm_write(port, 0x1A, UART_MNDREG); | |
| 154 | } | |
| 155 | ||
| 156 | /* | |
| 157 | * Setup the MND registers to use the TCXO clock divided by 4. | |
| 158 | */ | |
| 159 | static inline void msm_serial_set_mnd_regs_tcxoby4(struct uart_port *port) | |
| 160 | { | |
| 161 | msm_write(port, 0x18, UART_MREG); | |
| 162 | msm_write(port, 0xF6, UART_NREG); | |
| 163 | msm_write(port, 0x0F, UART_DREG); | |
| 164 | msm_write(port, 0x0A, UART_MNDREG); | |
| 165 | } | |
| 166 | ||
| 167 | static inline | |
| 168 | void msm_serial_set_mnd_regs_from_uartclk(struct uart_port *port) | |
| 169 | { | |
| 170 | if (port->uartclk == 19200000) | |
| 171 | msm_serial_set_mnd_regs_tcxo(port); | |
| 172 | else | |
| 173 | msm_serial_set_mnd_regs_tcxoby4(port); | |
| 174 | } | |
| 175 | ||
| 176 | /* | |
| 177 | * TROUT has a specific defect that makes it report it's uartclk | |
| 178 | * as 19.2Mhz (TCXO) when it's actually 4.8Mhz (TCXO/4). This special | |
| 179 | * cases TROUT to use the right clock. | |
| 180 | */ | |
| 181 | #ifdef CONFIG_MACH_TROUT | |
| 182 | #define msm_serial_set_mnd_regs msm_serial_set_mnd_regs_tcxoby4 | |
| 183 | #else | |
| 184 | #define msm_serial_set_mnd_regs msm_serial_set_mnd_regs_from_uartclk | |
| 185 | #endif | |
| 186 | ||
| 04896a77 | 187 | #endif /* __DRIVERS_SERIAL_MSM_SERIAL_H */ |