On 08/02/2013 05:02 PM, Arun Kumar K wrote:
This patch adds the register definition file for the fimc-is driver and also the header file containing the main context for the driver. Signed-off-by: Arun Kumar K<arun.kk@xxxxxxxxxxx> Signed-off-by: Kilyeon Im<kilyeon.im@xxxxxxxxxxx> --- drivers/media/platform/exynos5-is/fimc-is-regs.h | 105 +++++++++++++++ drivers/media/platform/exynos5-is/fimc-is.h | 153 ++++++++++++++++++++++ 2 files changed, 258 insertions(+) create mode 100644 drivers/media/platform/exynos5-is/fimc-is-regs.h create mode 100644 drivers/media/platform/exynos5-is/fimc-is.h diff --git a/drivers/media/platform/exynos5-is/fimc-is-regs.h b/drivers/media/platform/exynos5-is/fimc-is-regs.h new file mode 100644 index 0000000..06aa466 --- /dev/null +++ b/drivers/media/platform/exynos5-is/fimc-is-regs.h @@ -0,0 +1,105 @@ +/* + * Samsung Exynos5 SoC series FIMC-IS driver + * + * Copyright (c) 2013 Samsung Electronics Co., Ltd + * Arun Kumar K<arun.kk@xxxxxxxxxxx> + * Kil-yeon Lim<kilyeon.im@xxxxxxxxxxx> + * + * 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. + */ + +#ifndef FIMC_IS_REGS_H +#define FIMC_IS_REGS_H + +/* WDT_ISP register */ +#define WDT 0x00170000 +/* MCUCTL register */ +#define MCUCTL 0x00180000 +/* MCU Controller Register */ +#define MCUCTLR (MCUCTL+0x00) +#define MCUCTLR_AXI_ISPX_AWCACHE(x) ((x)<< 16) +#define MCUCTLR_AXI_ISPX_ARCACHE(x) ((x)<< 12) +#define MCUCTLR_MSWRST (1<< 0) +/* Boot Base OFfset Address Register */ +#define BBOAR (MCUCTL+0x04) +#define BBOAR_BBOA(x) ((x)<< 0) + +/* Interrupt Generation Register 0 from Host CPU to VIC */ +#define INTGR0 (MCUCTL+0x08) +#define INTGR0_INTGC(n) (1<< ((n) + 16)) +#define INTGR0_INTGD(n) (1<< (n)) + +/* Interrupt Clear Register 0 from Host CPU to VIC */ +#define INTCR0 (MCUCTL+0x0c) +#define INTCR0_INTCC(n) (1<< ((n) + 16)) +#define INTCR0_INTCD(n) (1<< (n)) + +/* Interrupt Mask Register 0 from Host CPU to VIC */ +#define INTMR0 (MCUCTL+0x10) +#define INTMR0_INTMC(n) (1<< ((n) + 16)) +#define INTMR0_INTMD(n) (1<< (n)) + +/* Interrupt Status Register 0 from Host CPU to VIC */ +#define INTSR0 (MCUCTL+0x14) +#define INTSR0_GET_INTSD(n, x) (((x)>> (n))& 0x1) +#define INTSR0_GET_INTSC(n, x) (((x)>> ((n) + 16))& 0x1) + +/* Interrupt Mask Status Register 0 from Host CPU to VIC */ +#define INTMSR0 (MCUCTL+0x18) +#define INTMSR0_GET_INTMSD(n, x) (((x)>> (n))& 0x1) +#define INTMSR0_GET_INTMSC(n, x) (((x)>> ((n) + 16))& 0x1) + +/* Interrupt Generation Register 1 from ISP CPU to Host IC */ +#define INTGR1 (MCUCTL+0x1c) +#define INTGR1_INTGC(n) (1<< (n)) + +/* Interrupt Clear Register 1 from ISP CPU to Host IC */ +#define INTCR1 (MCUCTL+0x20) +#define INTCR1_INTCC(n) (1<< (n)) + +/* Interrupt Mask Register 1 from ISP CPU to Host IC */ +#define INTMR1 (MCUCTL+0x24) +#define INTMR1_INTMC(n) (1<< (n)) + +/* Interrupt Status Register 1 from ISP CPU to Host IC */ +#define INTSR1 (MCUCTL+0x28) +/* Interrupt Mask Status Register 1 from ISP CPU to Host IC */ +#define INTMSR1 (MCUCTL+0x2c) +/* Interrupt Clear Register 2 from ISP BLK's interrupts to Host IC */ +#define INTCR2 (MCUCTL+0x30) +#define INTCR2_INTCC(n) (1<< (n)) + +/* Interrupt Mask Register 2 from ISP BLK's interrupts to Host IC */ +#define INTMR2 (MCUCTL+0x34) +#define INTMR2_INTMCIS(n) (1<< (n)) + +/* Interrupt Status Register 2 from ISP BLK's interrupts to Host IC */ +#define INTSR2 (MCUCTL+0x38) +/* Interrupt Mask Status Register 2 from ISP BLK's interrupts to Host IC */ +#define INTMSR2 (MCUCTL+0x3c) +/* General Purpose Output Control Register (0~17) */ +#define GPOCTLR (MCUCTL+0x40) +#define GPOCTLR_GPOG(n, x) ((x)<< (n)) + +/* General Purpose Pad Output Enable Register (0~17) */ +#define GPOENCTLR (MCUCTL+0x44) +#define GPOENCTLR_GPOEN0(n, x) ((x)<< (n)) + +/* General Purpose Input Control Register (0~17) */ +#define GPICTLR (MCUCTL+0x48) + +/* IS Shared Registers between ISP CPU and HOST CPU */ +#define ISSR(n) (MCUCTL + 0x80 + (n)) + +/* PMU for FIMC-IS*/ +#define PMUREG_CMU_RESET_ISP_SYS_PWR_REG 0x1584 +#define PMUREG_ISP_ARM_CONFIGURATION 0x2280 +#define PMUREG_ISP_ARM_STATUS 0x2284 +#define PMUREG_ISP_ARM_OPTION 0x2288 +#define PMUREG_ISP_LOW_POWER_OFF 0x0004 +#define PMUREG_ISP_CONFIGURATION 0x4020 +#define PMUREG_ISP_STATUS 0x4024 + +#endif diff --git a/drivers/media/platform/exynos5-is/fimc-is.h b/drivers/media/platform/exynos5-is/fimc-is.h new file mode 100644 index 0000000..a7379dc --- /dev/null +++ b/drivers/media/platform/exynos5-is/fimc-is.h @@ -0,0 +1,153 @@ +/* + * Samsung EXYNOS5 FIMC-IS (Imaging Subsystem) driver + * + * Copyright (C) 2013 Samsung Electronics Co., Ltd. + * Arun Kumar K<arun.kk@xxxxxxxxxxx> + * + * 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. + */ + +#ifndef FIMC_IS_H_ +#define FIMC_IS_H_ + +#include "fimc-is-err.h" +#include "fimc-is-core.h" +#include "fimc-is-param.h" +#include "fimc-is-pipeline.h" +#include "fimc-is-interface.h" + +#define fimc_interface_to_is(p) container_of(p, struct fimc_is, interface) +#define fimc_sensor_to_is(p) container_of(p, struct fimc_is, sensor) + +/* Macros used by media dev to get the subdev and vfd */ +/* is --> driver data from pdev + * pid --> pipeline index */
Wrong multi-line comment style. And perhaps s/--> /- ?
+#define fimc_is_isp_get_sd(is, pid) (&is->pipeline[pid].isp.subdev) +#define fimc_is_isp_get_vfd(is, pid) (&is->pipeline[pid].isp.vfd) +#define fimc_is_scc_get_sd(is, pid) \ + (&is->pipeline[pid].scaler[SCALER_SCC].subdev) +#define fimc_is_scc_get_vfd(is, pid) \ + (&is->pipeline[pid].scaler[SCALER_SCC].vfd) +#define fimc_is_scp_get_sd(is, pid) \ + (&is->pipeline[pid].scaler[SCALER_SCP].subdev) +#define fimc_is_scp_get_vfd(is, pid) \ + (&is->pipeline[pid].scaler[SCALER_SCP].vfd) +/* is --> driver data from pdev + * sid --> sensor index */ +#define fimc_is_sensor_get_sd(is, sid) (&is->sensor[sid].subdev) + + +/** + * struct fimc_is - fimc lite structure
s/fimc lite/fimc-is driver private data ?
+ * @pdev: pointer to FIMC-IS platform device + * @pdata: platform data for FIMC-IS + * @alloc_ctx: videobuf2 memory allocator context + * @clk: FIMC-IS clocks
Actually it's 'clock'.
+ * @pmu_regs: PMU reg base address + * @minfo: internal memory organization info + * @sensor: FIMC-IS sensor context + * @pipeline: hardware pipeline context + * @interface: hardware interface context + */ +struct fimc_is { + struct platform_device *pdev; + + struct vb2_alloc_ctx *alloc_ctx; + struct clk *clock[IS_CLK_MAX_NUM]; + void __iomem *pmu_regs; + + struct fimc_is_meminfo minfo; + + int num_instance;
It's undocumented, what it is really used for ?
+ struct fimc_is_sensor sensor[FIMC_IS_NUM_SENSORS]; + struct fimc_is_pipeline pipeline[FIMC_IS_NUM_PIPELINES]; + struct fimc_is_interface interface; +}; + +/* Queue operations for ISP */ +static inline void fimc_is_isp_wait_queue_add(struct fimc_is_isp *isp, + struct fimc_is_buf *buf) +{ + list_add_tail(&buf->list,&isp->wait_queue); + isp->wait_queue_cnt++; +} + +static inline struct fimc_is_buf *fimc_is_isp_wait_queue_get( + struct fimc_is_isp *isp) +{ + struct fimc_is_buf *buf; + buf = list_entry(isp->wait_queue.next, + struct fimc_is_buf, list); + list_del(&buf->list); + isp->wait_queue_cnt--; + return buf; +} + +static inline void fimc_is_isp_run_queue_add(struct fimc_is_isp *isp, + struct fimc_is_buf *buf) +{ + list_add_tail(&buf->list,&isp->run_queue); + isp->run_queue_cnt++; +} + +static inline struct fimc_is_buf *fimc_is_isp_run_queue_get( + struct fimc_is_isp *isp) +{ + struct fimc_is_buf *buf; + buf = list_entry(isp->run_queue.next, + struct fimc_is_buf, list); + list_del(&buf->list); + isp->run_queue_cnt--; + return buf; +} + +/* Queue operations for SCALER */
It would be much neater to define some generic data structure and have single queue operations for both ISP and SCALER. Maybe it would help rewriting those as macros ? But this is something that could be well done in a follow up patch(es).
+static inline void fimc_is_scaler_wait_queue_add(struct fimc_is_scaler *scp, + struct fimc_is_buf *buf) +{ + list_add_tail(&buf->list,&scp->wait_queue); + scp->wait_queue_cnt++; +} + +static inline struct fimc_is_buf *fimc_is_scaler_wait_queue_get( + struct fimc_is_scaler *scp) +{ + struct fimc_is_buf *buf; + buf = list_entry(scp->wait_queue.next, + struct fimc_is_buf, list); + list_del(&buf->list); + scp->wait_queue_cnt--; + return buf; +} + +static inline void fimc_is_scaler_run_queue_add(struct fimc_is_scaler *scp, + struct fimc_is_buf *buf) +{ + list_add_tail(&buf->list,&scp->run_queue); + scp->run_queue_cnt++; +} + +static inline struct fimc_is_buf *fimc_is_scaler_run_queue_get( + struct fimc_is_scaler *scp) +{ + struct fimc_is_buf *buf; + buf = list_entry(scp->run_queue.next, + struct fimc_is_buf, list); + list_del(&buf->list); + scp->run_queue_cnt--; + return buf; +} + +static inline void pmu_is_write(u32 v, struct fimc_is *is, unsigned int offset) +{ + writel(v, is->pmu_regs + offset); +} + +static inline u32 pmu_is_read(struct fimc_is *is, unsigned int offset) +{ + return readl(is->pmu_regs + offset); +} + +#endif
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