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coresight: tmc: introducing new header file
The amount of #define, enumeration and structure definition is big enough to justify moving them to a new header file. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mathieu Poirier
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Greg Kroah-Hartman
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May 3, 2016
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,122 @@ | ||
| /* | ||
| * Copyright(C) 2015 Linaro Limited. All rights reserved. | ||
| * Author: Mathieu Poirier <mathieu.poirier@linaro.org> | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 as published by | ||
| * the Free Software Foundation. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| * more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License along with | ||
| * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #ifndef _CORESIGHT_TMC_H | ||
| #define _CORESIGHT_TMC_H | ||
|
|
||
| #define TMC_RSZ 0x004 | ||
| #define TMC_STS 0x00c | ||
| #define TMC_RRD 0x010 | ||
| #define TMC_RRP 0x014 | ||
| #define TMC_RWP 0x018 | ||
| #define TMC_TRG 0x01c | ||
| #define TMC_CTL 0x020 | ||
| #define TMC_RWD 0x024 | ||
| #define TMC_MODE 0x028 | ||
| #define TMC_LBUFLEVEL 0x02c | ||
| #define TMC_CBUFLEVEL 0x030 | ||
| #define TMC_BUFWM 0x034 | ||
| #define TMC_RRPHI 0x038 | ||
| #define TMC_RWPHI 0x03c | ||
| #define TMC_AXICTL 0x110 | ||
| #define TMC_DBALO 0x118 | ||
| #define TMC_DBAHI 0x11c | ||
| #define TMC_FFSR 0x300 | ||
| #define TMC_FFCR 0x304 | ||
| #define TMC_PSCR 0x308 | ||
| #define TMC_ITMISCOP0 0xee0 | ||
| #define TMC_ITTRFLIN 0xee8 | ||
| #define TMC_ITATBDATA0 0xeec | ||
| #define TMC_ITATBCTR2 0xef0 | ||
| #define TMC_ITATBCTR1 0xef4 | ||
| #define TMC_ITATBCTR0 0xef8 | ||
|
|
||
| /* register description */ | ||
| /* TMC_CTL - 0x020 */ | ||
| #define TMC_CTL_CAPT_EN BIT(0) | ||
| /* TMC_STS - 0x00C */ | ||
| #define TMC_STS_TRIGGERED BIT(1) | ||
| /* TMC_AXICTL - 0x110 */ | ||
| #define TMC_AXICTL_PROT_CTL_B0 BIT(0) | ||
| #define TMC_AXICTL_PROT_CTL_B1 BIT(1) | ||
| #define TMC_AXICTL_SCT_GAT_MODE BIT(7) | ||
| #define TMC_AXICTL_WR_BURST_16 0xF00 | ||
| /* TMC_FFCR - 0x304 */ | ||
| #define TMC_FFCR_EN_FMT BIT(0) | ||
| #define TMC_FFCR_EN_TI BIT(1) | ||
| #define TMC_FFCR_FON_FLIN BIT(4) | ||
| #define TMC_FFCR_FON_TRIG_EVT BIT(5) | ||
| #define TMC_FFCR_FLUSHMAN BIT(6) | ||
| #define TMC_FFCR_TRIGON_TRIGIN BIT(8) | ||
| #define TMC_FFCR_STOP_ON_FLUSH BIT(12) | ||
|
|
||
| #define TMC_STS_TMCREADY_BIT 2 | ||
| #define TMC_FFCR_FLUSHMAN_BIT 6 | ||
|
|
||
| enum tmc_config_type { | ||
| TMC_CONFIG_TYPE_ETB, | ||
| TMC_CONFIG_TYPE_ETR, | ||
| TMC_CONFIG_TYPE_ETF, | ||
| }; | ||
|
|
||
| enum tmc_mode { | ||
| TMC_MODE_CIRCULAR_BUFFER, | ||
| TMC_MODE_SOFTWARE_FIFO, | ||
| TMC_MODE_HARDWARE_FIFO, | ||
| }; | ||
|
|
||
| enum tmc_mem_intf_width { | ||
| TMC_MEM_INTF_WIDTH_32BITS = 0x2, | ||
| TMC_MEM_INTF_WIDTH_64BITS = 0x3, | ||
| TMC_MEM_INTF_WIDTH_128BITS = 0x4, | ||
| TMC_MEM_INTF_WIDTH_256BITS = 0x5, | ||
| }; | ||
|
|
||
| /** | ||
| * struct tmc_drvdata - specifics associated to an TMC component | ||
| * @base: memory mapped base address for this component. | ||
| * @dev: the device entity associated to this component. | ||
| * @csdev: component vitals needed by the framework. | ||
| * @miscdev: specifics to handle "/dev/xyz.tmc" entry. | ||
| * @spinlock: only one at a time pls. | ||
| * @read_count: manages preparation of buffer for reading. | ||
| * @buf: area of memory where trace data get sent. | ||
| * @paddr: DMA start location in RAM. | ||
| * @vaddr: virtual representation of @paddr. | ||
| * @size: @buf size. | ||
| * @enable: this TMC is being used. | ||
| * @config_type: TMC variant, must be of type @tmc_config_type. | ||
| * @trigger_cntr: amount of words to store after a trigger. | ||
| */ | ||
| struct tmc_drvdata { | ||
| void __iomem *base; | ||
| struct device *dev; | ||
| struct coresight_device *csdev; | ||
| struct miscdevice miscdev; | ||
| spinlock_t spinlock; | ||
| int read_count; | ||
| bool reading; | ||
| char *buf; | ||
| dma_addr_t paddr; | ||
| void __iomem *vaddr; | ||
| u32 size; | ||
| bool enable; | ||
| enum tmc_config_type config_type; | ||
| u32 trigger_cntr; | ||
| }; | ||
|
|
||
| #endif |