On Wed May 6 17:32:44 2026 +0800, Bin Du wrote: > Low level functions for accessing the registers and mapping to their > ranges. This change also includes register definitions for ring buffer > used to communicate with ISP Firmware. Ring buffer is the communication > interface between driver and ISP Firmware. Command and responses are > exchanged through the ring buffer. > > Co-developed-by: Svetoslav Stoilov <[email protected]> > Signed-off-by: Svetoslav Stoilov <[email protected]> > Signed-off-by: Bin Du <[email protected]> > Reviewed-by: Sultan Alsawaf <[email protected]> > Tested-by: Alexey Zagorodnikov <[email protected]> > Tested-by: Kate Hsuan <[email protected]> > Signed-off-by: Sakari Ailus <[email protected]>
Patch committed. Thanks, Sakari Ailus MAINTAINERS | 1 + drivers/media/platform/amd/isp4/isp4_hw_reg.h | 124 ++++++++++++++++++++++++++ 2 files changed, 125 insertions(+) --- diff --git a/MAINTAINERS b/MAINTAINERS index 3b495a4dc786..e2561d95d251 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1164,6 +1164,7 @@ F: drivers/media/platform/amd/isp4/Kconfig F: drivers/media/platform/amd/isp4/Makefile F: drivers/media/platform/amd/isp4/isp4.c F: drivers/media/platform/amd/isp4/isp4.h +F: drivers/media/platform/amd/isp4/isp4_hw_reg.h AMD KFD M: Felix Kuehling <[email protected]> diff --git a/drivers/media/platform/amd/isp4/isp4_hw_reg.h b/drivers/media/platform/amd/isp4/isp4_hw_reg.h new file mode 100644 index 000000000000..09c76f75c5ee --- /dev/null +++ b/drivers/media/platform/amd/isp4/isp4_hw_reg.h @@ -0,0 +1,124 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2025 Advanced Micro Devices, Inc. + */ + +#ifndef _ISP4_HW_REG_H_ +#define _ISP4_HW_REG_H_ + +#include <linux/io.h> + +#define ISP_SOFT_RESET 0x62000 +#define ISP_SYS_INT0_EN 0x62010 +#define ISP_SYS_INT0_STATUS 0x62014 +#define ISP_SYS_INT0_ACK 0x62018 +#define ISP_CCPU_CNTL 0x62054 +#define ISP_STATUS 0x62058 +#define ISP_LOG_RB_BASE_LO0 0x62148 +#define ISP_LOG_RB_BASE_HI0 0x6214c +#define ISP_LOG_RB_SIZE0 0x62150 +#define ISP_LOG_RB_RPTR0 0x62154 +#define ISP_LOG_RB_WPTR0 0x62158 +#define ISP_RB_BASE_LO1 0x62170 +#define ISP_RB_BASE_HI1 0x62174 +#define ISP_RB_SIZE1 0x62178 +#define ISP_RB_RPTR1 0x6217c +#define ISP_RB_WPTR1 0x62180 +#define ISP_RB_BASE_LO2 0x62184 +#define ISP_RB_BASE_HI2 0x62188 +#define ISP_RB_SIZE2 0x6218c +#define ISP_RB_RPTR2 0x62190 +#define ISP_RB_WPTR2 0x62194 +#define ISP_RB_BASE_LO3 0x62198 +#define ISP_RB_BASE_HI3 0x6219c +#define ISP_RB_SIZE3 0x621a0 +#define ISP_RB_RPTR3 0x621a4 +#define ISP_RB_WPTR3 0x621a8 +#define ISP_RB_BASE_LO4 0x621ac +#define ISP_RB_BASE_HI4 0x621b0 +#define ISP_RB_SIZE4 0x621b4 +#define ISP_RB_RPTR4 0x621b8 +#define ISP_RB_WPTR4 0x621bc +#define ISP_RB_BASE_LO5 0x621c0 +#define ISP_RB_BASE_HI5 0x621c4 +#define ISP_RB_SIZE5 0x621c8 +#define ISP_RB_RPTR5 0x621cc +#define ISP_RB_WPTR5 0x621d0 +#define ISP_RB_BASE_LO6 0x621d4 +#define ISP_RB_BASE_HI6 0x621d8 +#define ISP_RB_SIZE6 0x621dc +#define ISP_RB_RPTR6 0x621e0 +#define ISP_RB_WPTR6 0x621e4 +#define ISP_RB_BASE_LO7 0x621e8 +#define ISP_RB_BASE_HI7 0x621ec +#define ISP_RB_SIZE7 0x621f0 +#define ISP_RB_RPTR7 0x621f4 +#define ISP_RB_WPTR7 0x621f8 +#define ISP_RB_BASE_LO8 0x621fc +#define ISP_RB_BASE_HI8 0x62200 +#define ISP_RB_SIZE8 0x62204 +#define ISP_RB_RPTR8 0x62208 +#define ISP_RB_WPTR8 0x6220c +#define ISP_RB_BASE_LO9 0x62210 +#define ISP_RB_BASE_HI9 0x62214 +#define ISP_RB_SIZE9 0x62218 +#define ISP_RB_RPTR9 0x6221c +#define ISP_RB_WPTR9 0x62220 +#define ISP_RB_BASE_LO10 0x62224 +#define ISP_RB_BASE_HI10 0x62228 +#define ISP_RB_SIZE10 0x6222c +#define ISP_RB_RPTR10 0x62230 +#define ISP_RB_WPTR10 0x62234 +#define ISP_RB_BASE_LO11 0x62238 +#define ISP_RB_BASE_HI11 0x6223c +#define ISP_RB_SIZE11 0x62240 +#define ISP_RB_RPTR11 0x62244 +#define ISP_RB_WPTR11 0x62248 +#define ISP_RB_BASE_LO12 0x6224c +#define ISP_RB_BASE_HI12 0x62250 +#define ISP_RB_SIZE12 0x62254 +#define ISP_RB_RPTR12 0x62258 +#define ISP_RB_WPTR12 0x6225c + +#define ISP_POWER_STATUS 0x60000 + +/* ISP_SOFT_RESET */ +#define ISP_SOFT_RESET__CCPU_SOFT_RESET_MASK 0x00000001UL + +/* ISP_CCPU_CNTL */ +#define ISP_CCPU_CNTL__CCPU_HOST_SOFT_RST_MASK 0x00040000UL + +/* ISP_STATUS */ +#define ISP_STATUS__CCPU_REPORT_MASK 0x000000feUL + +/* ISP_SYS_INT0_STATUS */ +#define ISP_SYS_INT0_STATUS__SYS_INT_RINGBUFFER_WPT9_INT_MASK 0x00010000UL +#define ISP_SYS_INT0_STATUS__SYS_INT_RINGBUFFER_WPT10_INT_MASK 0x00040000UL +#define ISP_SYS_INT0_STATUS__SYS_INT_RINGBUFFER_WPT11_INT_MASK 0x00100000UL +#define ISP_SYS_INT0_STATUS__SYS_INT_RINGBUFFER_WPT12_INT_MASK 0x00400000UL + +/* ISP_SYS_INT0_EN */ +#define ISP_SYS_INT0_EN__SYS_INT_RINGBUFFER_WPT9_EN_MASK 0x00010000UL +#define ISP_SYS_INT0_EN__SYS_INT_RINGBUFFER_WPT10_EN_MASK 0x00040000UL +#define ISP_SYS_INT0_EN__SYS_INT_RINGBUFFER_WPT11_EN_MASK 0x00100000UL +#define ISP_SYS_INT0_EN__SYS_INT_RINGBUFFER_WPT12_EN_MASK 0x00400000UL + +/* ISP_SYS_INT0_ACK */ +#define ISP_SYS_INT0_ACK__SYS_INT_RINGBUFFER_WPT9_ACK_MASK 0x00010000UL +#define ISP_SYS_INT0_ACK__SYS_INT_RINGBUFFER_WPT10_ACK_MASK 0x00040000UL +#define ISP_SYS_INT0_ACK__SYS_INT_RINGBUFFER_WPT11_ACK_MASK 0x00100000UL +#define ISP_SYS_INT0_ACK__SYS_INT_RINGBUFFER_WPT12_ACK_MASK 0x00400000UL + +/* Helper functions for reading isp registers */ +static inline u32 isp4hw_rreg(void __iomem *base, u32 reg) +{ + return readl(base + reg); +} + +/* Helper functions for writing isp registers */ +static inline void isp4hw_wreg(void __iomem *base, u32 reg, u32 val) +{ + return writel(val, base + reg); +} + +#endif /* _ISP4_HW_REG_H_ */ _______________________________________________ linuxtv-commits mailing list -- [email protected] To unsubscribe send an email to [email protected]
