diff options
Diffstat (limited to 'drivers/media/video/mxc/capture/fsl_csi.h')
| -rw-r--r-- | drivers/media/video/mxc/capture/fsl_csi.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/drivers/media/video/mxc/capture/fsl_csi.h b/drivers/media/video/mxc/capture/fsl_csi.h new file mode 100644 index 000000000000..4d6babd3691d --- /dev/null +++ b/drivers/media/video/mxc/capture/fsl_csi.h @@ -0,0 +1,198 @@ +/* + * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/*! + * @file fsl_csi.h + * + * @brief mx25 CMOS Sensor interface functions + * + * @ingroup CSI + */ + +#ifndef MX25_CSI_H +#define MX25_CSI_H + +#include <linux/io.h> +#include <mach/hardware.h> + +/* reset values */ +#define CSICR1_RESET_VAL 0x40000800 +#define CSICR2_RESET_VAL 0x0 +#define CSICR3_RESET_VAL 0x0 + +/* csi control reg 1 */ +#define BIT_SWAP16_EN (0x1 << 31) +#define BIT_EXT_VSYNC (0x1 << 30) +#define BIT_EOF_INT_EN (0x1 << 29) +#define BIT_PRP_IF_EN (0x1 << 28) +#define BIT_CCIR_MODE (0x1 << 27) +#define BIT_COF_INT_EN (0x1 << 26) +#define BIT_SF_OR_INTEN (0x1 << 25) +#define BIT_RF_OR_INTEN (0x1 << 24) +#define BIT_SFF_DMA_DONE_INTEN (0x1 << 22) +#define BIT_STATFF_INTEN (0x1 << 21) +#define BIT_FB2_DMA_DONE_INTEN (0x1 << 20) +#define BIT_FB1_DMA_DONE_INTEN (0x1 << 19) +#define BIT_RXFF_INTEN (0x1 << 18) +#define BIT_SOF_POL (0x1 << 17) +#define BIT_SOF_INTEN (0x1 << 16) +#define BIT_MCLKDIV (0xF << 12) +#define BIT_HSYNC_POL (0x1 << 11) +#define BIT_CCIR_EN (0x1 << 10) +#define BIT_MCLKEN (0x1 << 9) +#define BIT_FCC (0x1 << 8) +#define BIT_PACK_DIR (0x1 << 7) +#define BIT_CLR_STATFIFO (0x1 << 6) +#define BIT_CLR_RXFIFO (0x1 << 5) +#define BIT_GCLK_MODE (0x1 << 4) +#define BIT_INV_DATA (0x1 << 3) +#define BIT_INV_PCLK (0x1 << 2) +#define BIT_REDGE (0x1 << 1) +#define BIT_PIXEL_BIT (0x1 << 0) + +#define SHIFT_MCLKDIV 12 + +/* control reg 3 */ +#define BIT_FRMCNT (0xFFFF << 16) +#define BIT_FRMCNT_RST (0x1 << 15) +#define BIT_DMA_REFLASH_RFF (0x1 << 14) +#define BIT_DMA_REFLASH_SFF (0x1 << 13) +#define BIT_DMA_REQ_EN_RFF (0x1 << 12) +#define BIT_DMA_REQ_EN_SFF (0x1 << 11) +#define BIT_STATFF_LEVEL (0x7 << 8) +#define BIT_HRESP_ERR_EN (0x1 << 7) +#define BIT_RXFF_LEVEL (0x7 << 4) +#define BIT_TWO_8BIT_SENSOR (0x1 << 3) +#define BIT_ZERO_PACK_EN (0x1 << 2) +#define BIT_ECC_INT_EN (0x1 << 1) +#define BIT_ECC_AUTO_EN (0x1 << 0) + +#define SHIFT_FRMCNT 16 + +/* csi status reg */ +#define BIT_SFF_OR_INT (0x1 << 25) +#define BIT_RFF_OR_INT (0x1 << 24) +#define BIT_DMA_TSF_DONE_SFF (0x1 << 22) +#define BIT_STATFF_INT (0x1 << 21) +#define BIT_DMA_TSF_DONE_FB2 (0x1 << 20) +#define BIT_DMA_TSF_DONE_FB1 (0x1 << 19) +#define BIT_RXFF_INT (0x1 << 18) +#define BIT_EOF_INT (0x1 << 17) +#define BIT_SOF_INT (0x1 << 16) +#define BIT_F2_INT (0x1 << 15) +#define BIT_F1_INT (0x1 << 14) +#define BIT_COF_INT (0x1 << 13) +#define BIT_HRESP_ERR_INT (0x1 << 7) +#define BIT_ECC_INT (0x1 << 1) +#define BIT_DRDY (0x1 << 0) + +#define CSI_MCLK_VF 1 +#define CSI_MCLK_ENC 2 +#define CSI_MCLK_RAW 4 +#define CSI_MCLK_I2C 8 +#endif + +#define CSI_CSICR1 (IO_ADDRESS(CSI_BASE_ADDR)) +#define CSI_CSICR2 (IO_ADDRESS(CSI_BASE_ADDR + 0x4)) +#define CSI_CSICR3 (IO_ADDRESS(CSI_BASE_ADDR + 0x8)) +#define CSI_STATFIFO (IO_ADDRESS(CSI_BASE_ADDR + 0xC)) +#define CSI_CSIRXFIFO (IO_ADDRESS(CSI_BASE_ADDR + 0x10)) +#define CSI_CSIRXCNT (IO_ADDRESS(CSI_BASE_ADDR + 0x14)) +#define CSI_CSISR (IO_ADDRESS(CSI_BASE_ADDR + 0x18)) + +#define CSI_CSIDBG (IO_ADDRESS(CSI_BASE_ADDR + 0x1C)) +#define CSI_CSIDMASA_STATFIFO (IO_ADDRESS(CSI_BASE_ADDR + 0x20)) +#define CSI_CSIDMATS_STATFIFO (IO_ADDRESS(CSI_BASE_ADDR + 0x24)) +#define CSI_CSIDMASA_FB1 (IO_ADDRESS(CSI_BASE_ADDR + 0x28)) +#define CSI_CSIDMASA_FB2 (IO_ADDRESS(CSI_BASE_ADDR + 0x2C)) +#define CSI_CSIFBUF_PARA (IO_ADDRESS(CSI_BASE_ADDR + 0x30)) +#define CSI_CSIIMAG_PARA (IO_ADDRESS(CSI_BASE_ADDR + 0x34)) + +#define CSI_CSIRXFIFO_PHYADDR (CSI_BASE_ADDR + 0x10) + +static inline void csi_clear_status(unsigned long status) +{ + __raw_writel(status, CSI_CSISR); +} + +struct csi_signal_cfg_t { + unsigned data_width:3; + unsigned clk_mode:2; + unsigned ext_vsync:1; + unsigned Vsync_pol:1; + unsigned Hsync_pol:1; + unsigned pixclk_pol:1; + unsigned data_pol:1; + unsigned sens_clksrc:1; +}; + +struct csi_config_t { + /* control reg 1 */ + unsigned int swap16_en:1; + unsigned int ext_vsync:1; + unsigned int eof_int_en:1; + unsigned int prp_if_en:1; + unsigned int ccir_mode:1; + unsigned int cof_int_en:1; + unsigned int sf_or_inten:1; + unsigned int rf_or_inten:1; + unsigned int sff_dma_done_inten:1; + unsigned int statff_inten:1; + unsigned int fb2_dma_done_inten:1; + unsigned int fb1_dma_done_inten:1; + unsigned int rxff_inten:1; + unsigned int sof_pol:1; + unsigned int sof_inten:1; + unsigned int mclkdiv:4; + unsigned int hsync_pol:1; + unsigned int ccir_en:1; + unsigned int mclken:1; + unsigned int fcc:1; + unsigned int pack_dir:1; + unsigned int gclk_mode:1; + unsigned int inv_data:1; + unsigned int inv_pclk:1; + unsigned int redge:1; + unsigned int pixel_bit:1; + + /* control reg 3 */ + unsigned int frmcnt:16; + unsigned int frame_reset:1; + unsigned int dma_reflash_rff:1; + unsigned int dma_reflash_sff:1; + unsigned int dma_req_en_rff:1; + unsigned int dma_req_en_sff:1; + unsigned int statff_level:3; + unsigned int hresp_err_en:1; + unsigned int rxff_level:3; + unsigned int two_8bit_sensor:1; + unsigned int zero_pack_en:1; + unsigned int ecc_int_en:1; + unsigned int ecc_auto_en:1; + /* fifo counter */ + unsigned int rxcnt; +}; + +typedef void (*csi_irq_callback_t) (void *data, unsigned long status); + +int32_t csi_enable_mclk(int src, bool flag, bool wait); +void csi_init_interface(void); +void csi_set_16bit_imagpara(int width, int height); +void csi_set_12bit_imagpara(int width, int height); +int csi_read_mclk_flag(void); +void csi_start_callback(void *data); +void csi_stop_callback(void *data); +void csi_enable_int(int arg); +void csi_disable_int(void); +void csi_mclk_enable(void); +void csi_mclk_disable(void); |