diff options
Diffstat (limited to 'drivers/media/usb/cpia2/cpia2_core.c')
| -rw-r--r-- | drivers/media/usb/cpia2/cpia2_core.c | 2417 |
1 files changed, 2417 insertions, 0 deletions
diff --git a/drivers/media/usb/cpia2/cpia2_core.c b/drivers/media/usb/cpia2/cpia2_core.c new file mode 100644 index 000000000000..187012ce444b --- /dev/null +++ b/drivers/media/usb/cpia2/cpia2_core.c @@ -0,0 +1,2417 @@ +/**************************************************************************** + * + * Filename: cpia2_core.c + * + * Copyright 2001, STMicrolectronics, Inc. + * Contact: steve.miller@st.com + * + * Description: + * This is a USB driver for CPia2 based video cameras. + * The infrastructure of this driver is based on the cpia usb driver by + * Jochen Scharrlach and Johannes Erdfeldt. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Stripped of 2.4 stuff ready for main kernel submit by + * Alan Cox <alan@lxorguk.ukuu.org.uk> + * + ****************************************************************************/ + +#include "cpia2.h" + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> +#include <linux/firmware.h> + +#define FIRMWARE "cpia2/stv0672_vp4.bin" +MODULE_FIRMWARE(FIRMWARE); + +/* #define _CPIA2_DEBUG_ */ + +#ifdef _CPIA2_DEBUG_ + +static const char *block_name[] = { + "System", + "VC", + "VP", + "IDATA" +}; +#endif + +static unsigned int debugs_on; /* default 0 - DEBUG_REG */ + + +/****************************************************************************** + * + * Forward Declarations + * + *****************************************************************************/ +static int apply_vp_patch(struct camera_data *cam); +static int set_default_user_mode(struct camera_data *cam); +static int set_vw_size(struct camera_data *cam, int size); +static int configure_sensor(struct camera_data *cam, + int reqwidth, int reqheight); +static int config_sensor_410(struct camera_data *cam, + int reqwidth, int reqheight); +static int config_sensor_500(struct camera_data *cam, + int reqwidth, int reqheight); +static int set_all_properties(struct camera_data *cam); +static void wake_system(struct camera_data *cam); +static void set_lowlight_boost(struct camera_data *cam); +static void reset_camera_struct(struct camera_data *cam); +static int cpia2_set_high_power(struct camera_data *cam); + +/* Here we want the physical address of the memory. + * This is used when initializing the contents of the + * area and marking the pages as reserved. + */ +static inline unsigned long kvirt_to_pa(unsigned long adr) +{ + unsigned long kva, ret; + + kva = (unsigned long) page_address(vmalloc_to_page((void *)adr)); + kva |= adr & (PAGE_SIZE-1); /* restore the offset */ + ret = __pa(kva); + return ret; +} + +static void *rvmalloc(unsigned long size) +{ + void *mem; + unsigned long adr; + + /* Round it off to PAGE_SIZE */ + size = PAGE_ALIGN(size); + + mem = vmalloc_32(size); + if (!mem) + return NULL; + + memset(mem, 0, size); /* Clear the ram out, no junk to the user */ + adr = (unsigned long) mem; + + while ((long)size > 0) { + SetPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + return mem; +} + +static void rvfree(void *mem, unsigned long size) +{ + unsigned long adr; + + if (!mem) + return; + + size = PAGE_ALIGN(size); + + adr = (unsigned long) mem; + while ((long)size > 0) { + ClearPageReserved(vmalloc_to_page((void *)adr)); + adr += PAGE_SIZE; + size -= PAGE_SIZE; + } + vfree(mem); +} + +/****************************************************************************** + * + * cpia2_do_command + * + * Send an arbitrary command to the camera. For commands that read from + * the camera, copy the buffers into the proper param structures. + *****************************************************************************/ +int cpia2_do_command(struct camera_data *cam, + u32 command, u8 direction, u8 param) +{ + int retval = 0; + struct cpia2_command cmd; + unsigned int device = cam->params.pnp_id.device_type; + + cmd.command = command; + cmd.reg_count = 2; /* default */ + cmd.direction = direction; + + /*** + * Set up the command. + ***/ + switch (command) { + case CPIA2_CMD_GET_VERSION: + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.start = CPIA2_SYSTEM_DEVICE_HI; + break; + case CPIA2_CMD_GET_PNP_ID: + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.reg_count = 8; + cmd.start = CPIA2_SYSTEM_DESCRIP_VID_HI; + break; + case CPIA2_CMD_GET_ASIC_TYPE: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.start = CPIA2_VC_ASIC_ID; + break; + case CPIA2_CMD_GET_SENSOR: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.start = CPIA2_VP_SENSOR_FLAGS; + break; + case CPIA2_CMD_GET_VP_DEVICE: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.start = CPIA2_VP_DEVICEH; + break; + case CPIA2_CMD_SET_VP_BRIGHTNESS: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VP_BRIGHTNESS: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + if (device == DEVICE_STV_672) + cmd.start = CPIA2_VP4_EXPOSURE_TARGET; + else + cmd.start = CPIA2_VP5_EXPOSURE_TARGET; + break; + case CPIA2_CMD_SET_CONTRAST: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_CONTRAST: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_YRANGE; + break; + case CPIA2_CMD_SET_VP_SATURATION: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VP_SATURATION: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + if (device == DEVICE_STV_672) + cmd.start = CPIA2_VP_SATURATION; + else + cmd.start = CPIA2_VP5_MCUVSATURATION; + break; + case CPIA2_CMD_SET_VP_GPIO_DATA: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VP_GPIO_DATA: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_GPIO_DATA; + break; + case CPIA2_CMD_SET_VP_GPIO_DIRECTION: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VP_GPIO_DIRECTION: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_GPIO_DIRECTION; + break; + case CPIA2_CMD_SET_VC_MP_GPIO_DATA: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VC_MP_GPIO_DATA: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.reg_count = 1; + cmd.start = CPIA2_VC_MP_DATA; + break; + case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.reg_count = 1; + cmd.start = CPIA2_VC_MP_DIR; + break; + case CPIA2_CMD_ENABLE_PACKET_CTRL: + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.start = CPIA2_SYSTEM_INT_PACKET_CTRL; + cmd.reg_count = 1; + cmd.buffer.block_data[0] = param; + break; + case CPIA2_CMD_SET_FLICKER_MODES: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_FLICKER_MODES: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_FLICKER_MODES; + break; + case CPIA2_CMD_RESET_FIFO: /* clear fifo and enable stream block */ + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; + cmd.reg_count = 2; + cmd.start = 0; + cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; + cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | + CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; + cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; + cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | + CPIA2_VC_ST_CTRL_DST_USB | + CPIA2_VC_ST_CTRL_EOF_DETECT | + CPIA2_VC_ST_CTRL_FIFO_ENABLE; + break; + case CPIA2_CMD_SET_HI_POWER: + cmd.req_mode = + CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; + cmd.reg_count = 2; + cmd.buffer.registers[0].index = + CPIA2_SYSTEM_SYSTEM_CONTROL; + cmd.buffer.registers[1].index = + CPIA2_SYSTEM_SYSTEM_CONTROL; + cmd.buffer.registers[0].value = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; + cmd.buffer.registers[1].value = + CPIA2_SYSTEM_CONTROL_HIGH_POWER; + break; + case CPIA2_CMD_SET_LOW_POWER: + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.reg_count = 1; + cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; + cmd.buffer.block_data[0] = 0; + break; + case CPIA2_CMD_CLEAR_V2W_ERR: + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.reg_count = 1; + cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; + cmd.buffer.block_data[0] = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; + break; + case CPIA2_CMD_SET_USER_MODE: /* Then fall through */ + cmd.buffer.block_data[0] = param; + case CPIA2_CMD_GET_USER_MODE: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + if (device == DEVICE_STV_672) + cmd.start = CPIA2_VP4_USER_MODE; + else + cmd.start = CPIA2_VP5_USER_MODE; + break; + case CPIA2_CMD_FRAMERATE_REQ: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + if (device == DEVICE_STV_672) + cmd.start = CPIA2_VP4_FRAMERATE_REQUEST; + else + cmd.start = CPIA2_VP5_FRAMERATE_REQUEST; + cmd.buffer.block_data[0] = param; + break; + case CPIA2_CMD_SET_WAKEUP: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_WAKEUP: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.reg_count = 1; + cmd.start = CPIA2_VC_WAKEUP; + break; + case CPIA2_CMD_SET_PW_CONTROL: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_PW_CONTROL: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.reg_count = 1; + cmd.start = CPIA2_VC_PW_CTRL; + break; + case CPIA2_CMD_GET_VP_SYSTEM_STATE: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_SYSTEMSTATE; + break; + case CPIA2_CMD_SET_SYSTEM_CTRL: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_SYSTEM_CTRL: + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.reg_count = 1; + cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; + break; + case CPIA2_CMD_SET_VP_SYSTEM_CTRL: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VP_SYSTEM_CTRL: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_SYSTEMCTRL; + break; + case CPIA2_CMD_SET_VP_EXP_MODES: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VP_EXP_MODES: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_EXPOSURE_MODES; + break; + case CPIA2_CMD_SET_DEVICE_CONFIG: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_DEVICE_CONFIG: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_DEVICE_CONFIG; + break; + case CPIA2_CMD_SET_SERIAL_ADDR: + cmd.buffer.block_data[0] = param; + cmd.req_mode = + CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.reg_count = 1; + cmd.start = CPIA2_SYSTEM_VP_SERIAL_ADDR; + break; + case CPIA2_CMD_SET_SENSOR_CR1: + cmd.buffer.block_data[0] = param; + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_SENSOR_CR1; + break; + case CPIA2_CMD_SET_VC_CONTROL: + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_VC_CONTROL: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.reg_count = 1; + cmd.start = CPIA2_VC_VC_CTRL; + break; + case CPIA2_CMD_SET_TARGET_KB: + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; + cmd.reg_count = 1; + cmd.buffer.registers[0].index = CPIA2_VC_VC_TARGET_KB; + cmd.buffer.registers[0].value = param; + break; + case CPIA2_CMD_SET_DEF_JPEG_OPT: + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; + cmd.reg_count = 4; + cmd.buffer.registers[0].index = CPIA2_VC_VC_JPEG_OPT; + cmd.buffer.registers[0].value = + CPIA2_VC_VC_JPEG_OPT_DOUBLE_SQUEEZE; + cmd.buffer.registers[1].index = CPIA2_VC_VC_USER_SQUEEZE; + cmd.buffer.registers[1].value = 20; + cmd.buffer.registers[2].index = CPIA2_VC_VC_CREEP_PERIOD; + cmd.buffer.registers[2].value = 2; + cmd.buffer.registers[3].index = CPIA2_VC_VC_JPEG_OPT; + cmd.buffer.registers[3].value = CPIA2_VC_VC_JPEG_OPT_DEFAULT; + break; + case CPIA2_CMD_REHASH_VP4: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + cmd.start = CPIA2_VP_REHASH_VALUES; + cmd.buffer.block_data[0] = param; + break; + case CPIA2_CMD_SET_USER_EFFECTS: /* Note: Be careful with this as + this register can also affect + flicker modes */ + cmd.buffer.block_data[0] = param; /* Then fall through */ + case CPIA2_CMD_GET_USER_EFFECTS: + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 1; + if (device == DEVICE_STV_672) + cmd.start = CPIA2_VP4_USER_EFFECTS; + else + cmd.start = CPIA2_VP5_USER_EFFECTS; + break; + default: + LOG("DoCommand received invalid command\n"); + return -EINVAL; + } + + retval = cpia2_send_command(cam, &cmd); + if (retval) { + return retval; + } + + /*** + * Now copy any results from a read into the appropriate param struct. + ***/ + switch (command) { + case CPIA2_CMD_GET_VERSION: + cam->params.version.firmware_revision_hi = + cmd.buffer.block_data[0]; + cam->params.version.firmware_revision_lo = + cmd.buffer.block_data[1]; + break; + case CPIA2_CMD_GET_PNP_ID: + cam->params.pnp_id.vendor = (cmd.buffer.block_data[0] << 8) | + cmd.buffer.block_data[1]; + cam->params.pnp_id.product = (cmd.buffer.block_data[2] << 8) | + cmd.buffer.block_data[3]; + cam->params.pnp_id.device_revision = + (cmd.buffer.block_data[4] << 8) | + cmd.buffer.block_data[5]; + if (cam->params.pnp_id.vendor == 0x553) { + if (cam->params.pnp_id.product == 0x100) { + cam->params.pnp_id.device_type = DEVICE_STV_672; + } else if (cam->params.pnp_id.product == 0x140 || + cam->params.pnp_id.product == 0x151) { + cam->params.pnp_id.device_type = DEVICE_STV_676; + } + } + break; + case CPIA2_CMD_GET_ASIC_TYPE: + cam->params.version.asic_id = cmd.buffer.block_data[0]; + cam->params.version.asic_rev = cmd.buffer.block_data[1]; + break; + case CPIA2_CMD_GET_SENSOR: + cam->params.version.sensor_flags = cmd.buffer.block_data[0]; + cam->params.version.sensor_rev = cmd.buffer.block_data[1]; + break; + case CPIA2_CMD_GET_VP_DEVICE: + cam->params.version.vp_device_hi = cmd.buffer.block_data[0]; + cam->params.version.vp_device_lo = cmd.buffer.block_data[1]; + break; + case CPIA2_CMD_GET_VP_GPIO_DATA: + cam->params.vp_params.gpio_data = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VP_GPIO_DIRECTION: + cam->params.vp_params.gpio_direction = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: + cam->params.vc_params.vc_mp_direction =cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VC_MP_GPIO_DATA: + cam->params.vc_params.vc_mp_data = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_FLICKER_MODES: + cam->params.flicker_control.cam_register = + cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_WAKEUP: + cam->params.vc_params.wakeup = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_PW_CONTROL: + cam->params.vc_params.pw_control = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_SYSTEM_CTRL: + cam->params.camera_state.system_ctrl = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VP_SYSTEM_STATE: + cam->params.vp_params.system_state = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VP_SYSTEM_CTRL: + cam->params.vp_params.system_ctrl = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VP_EXP_MODES: + cam->params.vp_params.exposure_modes = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_DEVICE_CONFIG: + cam->params.vp_params.device_config = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_VC_CONTROL: + cam->params.vc_params.vc_control = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_USER_MODE: + cam->params.vp_params.video_mode = cmd.buffer.block_data[0]; + break; + case CPIA2_CMD_GET_USER_EFFECTS: + cam->params.vp_params.user_effects = cmd.buffer.block_data[0]; + break; + default: + break; + } + return retval; +} + +/****************************************************************************** + * + * cpia2_send_command + * + *****************************************************************************/ + +#define DIR(cmd) ((cmd->direction == TRANSFER_WRITE) ? "Write" : "Read") +#define BINDEX(cmd) (cmd->req_mode & 0x03) + +int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd) +{ + u8 count; + u8 start; + u8 *buffer; + int retval; + + switch (cmd->req_mode & 0x0c) { + case CAMERAACCESS_TYPE_RANDOM: + count = cmd->reg_count * sizeof(struct cpia2_register); + start = 0; + buffer = (u8 *) & cmd->buffer; + if (debugs_on & DEBUG_REG) + DBG("%s Random: Register block %s\n", DIR(cmd), + block_name[BINDEX(cmd)]); + break; + case CAMERAACCESS_TYPE_BLOCK: + count = cmd->reg_count; + start = cmd->start; + buffer = cmd->buffer.block_data; + if (debugs_on & DEBUG_REG) + DBG("%s Block: Register block %s\n", DIR(cmd), + block_name[BINDEX(cmd)]); + break; + case CAMERAACCESS_TYPE_MASK: + count = cmd->reg_count * sizeof(struct cpia2_reg_mask); + start = 0; + buffer = (u8 *) & cmd->buffer; + if (debugs_on & DEBUG_REG) + DBG("%s Mask: Register block %s\n", DIR(cmd), + block_name[BINDEX(cmd)]); + break; + case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */ + count = cmd->reg_count; + start = cmd->start; + buffer = cmd->buffer.block_data; + if (debugs_on & DEBUG_REG) + DBG("%s Repeat: Register block %s\n", DIR(cmd), + block_name[BINDEX(cmd)]); + break; + default: + LOG("%s: invalid request mode\n",__func__); + return -EINVAL; + } + + retval = cpia2_usb_transfer_cmd(cam, + buffer, + cmd->req_mode, + start, count, cmd->direction); +#ifdef _CPIA2_DEBUG_ + if (debugs_on & DEBUG_REG) { + int i; + for (i = 0; i < cmd->reg_count; i++) { + if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK) + KINFO("%s Block: [0x%02X] = 0x%02X\n", + DIR(cmd), start + i, buffer[i]); + if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM) + KINFO("%s Random: [0x%02X] = 0x%02X\n", + DIR(cmd), cmd->buffer.registers[i].index, + cmd->buffer.registers[i].value); + } + } +#endif + + return retval; +}; + +/************* + * Functions to implement camera functionality + *************/ +/****************************************************************************** + * + * cpia2_get_version_info + * + *****************************************************************************/ +static void cpia2_get_version_info(struct camera_data *cam) +{ + cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0); + cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0); + cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0); + cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0); + cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0); +} + +/****************************************************************************** + * + * cpia2_reset_camera + * + * Called at least during the open process, sets up initial params. + *****************************************************************************/ +int cpia2_reset_camera(struct camera_data *cam) +{ + u8 tmp_reg; + int retval = 0; + int target_kb; + int i; + struct cpia2_command cmd; + + /*** + * VC setup + ***/ + retval = configure_sensor(cam, + cam->params.roi.width, + cam->params.roi.height); + if (retval < 0) { + ERR("Couldn't configure sensor, error=%d\n", retval); + return retval; + } + + /* Clear FIFO and route/enable stream block */ + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; + cmd.direction = TRANSFER_WRITE; + cmd.reg_count = 2; + cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; + cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | + CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; + cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; + cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | + CPIA2_VC_ST_CTRL_DST_USB | + CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE; + + cpia2_send_command(cam, &cmd); + + cpia2_set_high_power(cam); + + if (cam->params.pnp_id.device_type == DEVICE_STV_672) { + /* Enable button notification */ + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; + cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL; + cmd.buffer.registers[0].value = + CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX; + cmd.reg_count = 1; + cpia2_send_command(cam, &cmd); + } + + schedule_timeout_interruptible(msecs_to_jiffies(100)); + + if (cam->params.pnp_id.device_type == DEVICE_STV_672) + retval = apply_vp_patch(cam); + + /* wait for vp to go to sleep */ + schedule_timeout_interruptible(msecs_to_jiffies(100)); + + /*** + * If this is a 676, apply VP5 fixes before we start streaming + ***/ + if (cam->params.pnp_id.device_type == DEVICE_STV_676) { + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; + + /* The following writes improve the picture */ + cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL; + cmd.buffer.registers[0].value = 0; /* reduce from the default + * rec 601 pedestal of 16 */ + cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE; + cmd.buffer.registers[1].value = 0x92; /* increase from 100% to + * (256/256 - 31) to fill + * available range */ + cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING; + cmd.buffer.registers[2].value = 0xFF; /* Increase from the + * default rec 601 ceiling + * of 240 */ + cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION; + cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec + * 601 100% level (128) + * to 145-192 */ + cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP; + cmd.buffer.registers[4].value = 0x80; /* Inhibit the + * anti-flicker */ + + /* The following 4 writes are a fix to allow QVGA to work at 30 fps */ + cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H; + cmd.buffer.registers[5].value = 0x01; + cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L; + cmd.buffer.registers[6].value = 0xE3; + cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA; + cmd.buffer.registers[7].value = 0x02; + cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA; + cmd.buffer.registers[8].value = 0xFC; + + cmd.direction = TRANSFER_WRITE; + cmd.reg_count = 9; + + cpia2_send_command(cam, &cmd); + } + + /* Activate all settings and start the data stream */ + /* Set user mode */ + set_default_user_mode(cam); + + /* Give VP time to wake up */ + schedule_timeout_interruptible(msecs_to_jiffies(100)); + + set_all_properties(cam); + + cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); + DBG("After SetAllProperties(cam), user mode is 0x%0X\n", + cam->params.vp_params.video_mode); + + /*** + * Set audio regulator off. This and the code to set the compresison + * state are too complex to form a CPIA2_CMD_, and seem to be somewhat + * intertwined. This stuff came straight from the windows driver. + ***/ + /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */ + cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); + tmp_reg = cam->params.vp_params.system_ctrl; + cmd.buffer.registers[0].value = tmp_reg & + (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF)); + + cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); + cmd.buffer.registers[1].value = cam->params.vp_params.device_config | + CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE; + cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL; + cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG; + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; + cmd.reg_count = 2; + cmd.direction = TRANSFER_WRITE; + cmd.start = 0; + cpia2_send_command(cam, &cmd); + + /* Set the correct I2C address in the CPiA-2 system register */ + cpia2_do_command(cam, + CPIA2_CMD_SET_SERIAL_ADDR, + TRANSFER_WRITE, + CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR); + + /* Now have sensor access - set bit to turn the audio regulator off */ + cpia2_do_command(cam, + CPIA2_CMD_SET_SENSOR_CR1, + TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR); + + /* Set the correct I2C address in the CPiA-2 system register */ + if (cam->params.pnp_id.device_type == DEVICE_STV_672) + cpia2_do_command(cam, + CPIA2_CMD_SET_SERIAL_ADDR, + TRANSFER_WRITE, + CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88 + else + cpia2_do_command(cam, + CPIA2_CMD_SET_SERIAL_ADDR, + TRANSFER_WRITE, + CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a + + /* increase signal drive strength */ + if (cam->params.pnp_id.device_type == DEVICE_STV_676) + cpia2_do_command(cam, + CPIA2_CMD_SET_VP_EXP_MODES, + TRANSFER_WRITE, + CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP); + + /* Start autoexposure */ + cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); + cmd.buffer.registers[0].value = cam->params.vp_params.device_config & + (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF); + + cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); + cmd.buffer.registers[1].value = + cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL; + + cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG; + cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL; + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; + cmd.reg_count = 2; + cmd.direction = TRANSFER_WRITE; + + cpia2_send_command(cam, &cmd); + + /* Set compression state */ + cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0); + if (cam->params.compression.inhibit_htables) { + tmp_reg = cam->params.vc_params.vc_control | + CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; + } else { + tmp_reg = cam->params.vc_params.vc_control & + ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; + } + cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg); + + /* Set target size (kb) on vc + This is a heuristic based on the quality parameter and the raw + framesize in kB divided by 16 (the compression factor when the + quality is 100%) */ + target_kb = (cam->width * cam->height * 2 / 16384) * + cam->params.vc_params.quality / 100; + if (target_kb < 1) + target_kb = 1; + cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB, + TRANSFER_WRITE, target_kb); + + /* Wiggle VC Reset */ + /*** + * First read and wait a bit. + ***/ + for (i = 0; i < 50; i++) { + cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL, + TRANSFER_READ, 0); + } + + tmp_reg = cam->params.vc_params.pw_control; + tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N; + + cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); + + tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N; + cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); + + cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0); + + cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); + DBG("After VC RESET, user mode is 0x%0X\n", + cam->params.vp_params.video_mode); + + return retval; +} + +/****************************************************************************** + * + * cpia2_set_high_power + * + *****************************************************************************/ +static int cpia2_set_high_power(struct camera_data *cam) +{ + int i; + for (i = 0; i <= 50; i++) { + /* Read system status */ + cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0); + + /* If there is an error, clear it */ + if(cam->params.camera_state.system_ctrl & + CPIA2_SYSTEM_CONTROL_V2W_ERR) + cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR, + TRANSFER_WRITE, 0); + + /* Try to set high power mode */ + cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, + TRANSFER_WRITE, 1); + + /* Try to read something in VP to check if everything is awake */ + cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE, + TRANSFER_READ, 0); + if (cam->params.vp_params.system_state & + CPIA2_VP_SYSTEMSTATE_HK_ALIVE) { + break; + } else if (i == 50) { + cam->params.camera_state.power_mode = LO_POWER_MODE; + ERR("Camera did not wake up\n"); + return -EIO; + } + } + + DBG("System now in high power state\n"); + cam->params.camera_state.power_mode = HI_POWER_MODE; + return 0; +} + +/****************************************************************************** + * + * cpia2_set_low_power + * + *****************************************************************************/ +int cpia2_set_low_power(struct camera_data *cam) +{ + cam->params.camera_state.power_mode = LO_POWER_MODE; + cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0); + return 0; +} + +/****************************************************************************** + * + * apply_vp_patch + * + *****************************************************************************/ +static int cpia2_send_onebyte_command(struct camera_data *cam, + struct cpia2_command *cmd, + u8 start, u8 datum) +{ + cmd->buffer.block_data[0] = datum; + cmd->start = start; + cmd->reg_count = 1; + return cpia2_send_command(cam, cmd); +} + +static int apply_vp_patch(struct camera_data *cam) +{ + const struct firmware *fw; + const char fw_name[] = FIRMWARE; + int i, ret; + struct cpia2_command cmd; + + ret = request_firmware(&fw, fw_name, &cam->dev->dev); + if (ret) { + printk(KERN_ERR "cpia2: failed to load VP patch \"%s\"\n", + fw_name); + return ret; + } + + cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP; + cmd.direction = TRANSFER_WRITE; + + /* First send the start address... */ + cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ + cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ + + /* ... followed by the data payload */ + for (i = 2; i < fw->size; i += 64) { + cmd.start = 0x0C; /* Data */ + cmd.reg_count = min_t(int, 64, fw->size - i); + memcpy(cmd.buffer.block_data, &fw->data[i], cmd.reg_count); + cpia2_send_command(cam, &cmd); + } + + /* Next send the start address... */ + cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ + cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ + + /* ... followed by the 'goto' command */ + cpia2_send_onebyte_command(cam, &cmd, 0x0D, 1); + + release_firmware(fw); + return 0; +} + +/****************************************************************************** + * + * set_default_user_mode + * + *****************************************************************************/ +static int set_default_user_mode(struct camera_data *cam) +{ + unsigned char user_mode; + unsigned char frame_rate; + int width = cam->params.roi.width; + int height = cam->params.roi.height; + + switch (cam->params.version.sensor_flags) { + case CPIA2_VP_SENSOR_FLAGS_404: + case CPIA2_VP_SENSOR_FLAGS_407: + case CPIA2_VP_SENSOR_FLAGS_409: + case CPIA2_VP_SENSOR_FLAGS_410: + if ((width > STV_IMAGE_QCIF_COLS) + || (height > STV_IMAGE_QCIF_ROWS)) { + user_mode = CPIA2_VP_USER_MODE_CIF; + } else { + user_mode = CPIA2_VP_USER_MODE_QCIFDS; + } + frame_rate = CPIA2_VP_FRAMERATE_30; + break; + case CPIA2_VP_SENSOR_FLAGS_500: + if ((width > STV_IMAGE_CIF_COLS) + || (height > STV_IMAGE_CIF_ROWS)) { + user_mode = CPIA2_VP_USER_MODE_VGA; + } else { + user_mode = CPIA2_VP_USER_MODE_QVGADS; + } + if (cam->params.pnp_id.device_type == DEVICE_STV_672) + frame_rate = CPIA2_VP_FRAMERATE_15; + else + frame_rate = CPIA2_VP_FRAMERATE_30; + break; + default: + LOG("%s: Invalid sensor flag value 0x%0X\n",__func__, + cam->params.version.sensor_flags); + return -EINVAL; + } + + DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n", + cam->params.version.sensor_flags, user_mode, frame_rate); + cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE, + user_mode); + if(cam->params.vp_params.frame_rate > 0 && + frame_rate > cam->params.vp_params.frame_rate) + frame_rate = cam->params.vp_params.frame_rate; + + cpia2_set_fps(cam, frame_rate); + +// if (cam->params.pnp_id.device_type == DEVICE_STV_676) +// cpia2_do_command(cam, +// CPIA2_CMD_SET_VP_SYSTEM_CTRL, +// TRANSFER_WRITE, +// CPIA2_VP_SYSTEMCTRL_HK_CONTROL | +// CPIA2_VP_SYSTEMCTRL_POWER_CONTROL); + + return 0; +} + +/****************************************************************************** + * + * cpia2_match_video_size + * + * return the best match, where 'best' is as always + * the largest that is not bigger than what is requested. + *****************************************************************************/ +int cpia2_match_video_size(int width, int height) +{ + if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS) + return VIDEOSIZE_VGA; + + if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS) + return VIDEOSIZE_CIF; + + if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS) + return VIDEOSIZE_QVGA; + + if (width >= 288 && height >= 216) + return VIDEOSIZE_288_216; + + if (width >= 256 && height >= 192) + return VIDEOSIZE_256_192; + + if (width >= 224 && height >= 168) + return VIDEOSIZE_224_168; + + if (width >= 192 && height >= 144) + return VIDEOSIZE_192_144; + + if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS) + return VIDEOSIZE_QCIF; + + return -1; +} + +/****************************************************************************** + * + * SetVideoSize + * + *****************************************************************************/ +static int set_vw_size(struct camera_data *cam, int size) +{ + int retval = 0; + + cam->params.vp_params.video_size = size; + + switch (size) { + case VIDEOSIZE_VGA: + DBG("Setting size to VGA\n"); + cam->params.roi.width = STV_IMAGE_VGA_COLS; + cam->params.roi.height = STV_IMAGE_VGA_ROWS; + cam->width = STV_IMAGE_VGA_COLS; + cam->height = STV_IMAGE_VGA_ROWS; + break; + case VIDEOSIZE_CIF: + DBG("Setting size to CIF\n"); + cam->params.roi.width = STV_IMAGE_CIF_COLS; + cam->params.roi.height = STV_IMAGE_CIF_ROWS; + cam->width = STV_IMAGE_CIF_COLS; + cam->height = STV_IMAGE_CIF_ROWS; + break; + case VIDEOSIZE_QVGA: + DBG("Setting size to QVGA\n"); + cam->params.roi.width = STV_IMAGE_QVGA_COLS; + cam->params.roi.height = STV_IMAGE_QVGA_ROWS; + cam->width = STV_IMAGE_QVGA_COLS; + cam->height = STV_IMAGE_QVGA_ROWS; + break; + case VIDEOSIZE_288_216: + cam->params.roi.width = 288; + cam->params.roi.height = 216; + cam->width = 288; + cam->height = 216; + break; + case VIDEOSIZE_256_192: + cam->width = 256; + cam->height = 192; + cam->params.roi.width = 256; + cam->params.roi.height = 192; + break; + case VIDEOSIZE_224_168: + cam->width = 224; + cam->height = 168; + cam->params.roi.width = 224; + cam->params.roi.height = 168; + break; + case VIDEOSIZE_192_144: + cam->width = 192; + cam->height = 144; + cam->params.roi.width = 192; + cam->params.roi.height = 144; + break; + case VIDEOSIZE_QCIF: + DBG("Setting size to QCIF\n"); + cam->params.roi.width = STV_IMAGE_QCIF_COLS; + cam->params.roi.height = STV_IMAGE_QCIF_ROWS; + cam->width = STV_IMAGE_QCIF_COLS; + cam->height = STV_IMAGE_QCIF_ROWS; + break; + default: + retval = -EINVAL; + } + return retval; +} + +/****************************************************************************** + * + * configure_sensor + * + *****************************************************************************/ +static int configure_sensor(struct camera_data *cam, + int req_width, int req_height) +{ + int retval; + + switch (cam->params.version.sensor_flags) { + case CPIA2_VP_SENSOR_FLAGS_404: + case CPIA2_VP_SENSOR_FLAGS_407: + case CPIA2_VP_SENSOR_FLAGS_409: + case CPIA2_VP_SENSOR_FLAGS_410: + retval = config_sensor_410(cam, req_width, req_height); + break; + case CPIA2_VP_SENSOR_FLAGS_500: + retval = config_sensor_500(cam, req_width, req_height); + break; + default: + return -EINVAL; + } + + return retval; +} + +/****************************************************************************** + * + * config_sensor_410 + * + *****************************************************************************/ +static int config_sensor_410(struct camera_data *cam, + int req_width, int req_height) +{ + struct cpia2_command cmd; + int i = 0; + int image_size; + int image_type; + int width = req_width; + int height = req_height; + + /*** + * Make sure size doesn't exceed CIF. + ***/ + if (width > STV_IMAGE_CIF_COLS) + width = STV_IMAGE_CIF_COLS; + if (height > STV_IMAGE_CIF_ROWS) + height = STV_IMAGE_CIF_ROWS; + + image_size = cpia2_match_video_size(width, height); + + DBG("Config 410: width = %d, height = %d\n", width, height); + DBG("Image size returned is %d\n", image_size); + if (image_size >= 0) { + set_vw_size(cam, image_size); + width = cam->params.roi.width; + height = cam->params.roi.height; + + DBG("After set_vw_size(), width = %d, height = %d\n", + width, height); + if (width <= 176 && height <= 144) { + DBG("image type = VIDEOSIZE_QCIF\n"); + image_type = VIDEOSIZE_QCIF; + } + else if (width <= 320 && height <= 240) { + DBG("image type = VIDEOSIZE_QVGA\n"); + image_type = VIDEOSIZE_QVGA; + } + else { + DBG("image type = VIDEOSIZE_CIF\n"); + image_type = VIDEOSIZE_CIF; + } + } else { + ERR("ConfigSensor410 failed\n"); + return -EINVAL; + } + + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; + cmd.direction = TRANSFER_WRITE; + + /* VC Format */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; + if (image_type == VIDEOSIZE_CIF) { + cmd.buffer.registers[i++].value = + (u8) (CPIA2_VC_VC_FORMAT_UFIRST | + CPIA2_VC_VC_FORMAT_SHORTLINE); + } else { + cmd.buffer.registers[i++].value = + (u8) CPIA2_VC_VC_FORMAT_UFIRST; + } + + /* VC Clocks */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; + if (image_type == VIDEOSIZE_QCIF) { + if (cam->params.pnp_id.device_type == DEVICE_STV_672) { + cmd.buffer.registers[i++].value= + (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | + CPIA2_VC_VC_672_CLOCKS_SCALING | + CPIA2_VC_VC_CLOCKS_LOGDIV2); + DBG("VC_Clocks (0xc4) should be B\n"); + } + else { + cmd.buffer.registers[i++].value= + (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | + CPIA2_VC_VC_CLOCKS_LOGDIV2); + } + } else { + if (cam->params.pnp_id.device_type == DEVICE_STV_672) { + cmd.buffer.registers[i++].value = + (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | + CPIA2_VC_VC_CLOCKS_LOGDIV0); + } + else { + cmd.buffer.registers[i++].value = + (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | + CPIA2_VC_VC_676_CLOCKS_SCALING | + CPIA2_VC_VC_CLOCKS_LOGDIV0); + } + } + DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value); + + /* Input reqWidth from VC */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = + (u8) (STV_IMAGE_QCIF_COLS / 4); + else + cmd.buffer.registers[i++].value = + (u8) (STV_IMAGE_CIF_COLS / 4); + + /* Timings */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 0; + else + cmd.buffer.registers[i++].value = (u8) 1; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 208; + else + cmd.buffer.registers[i++].value = (u8) 160; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 0; + else + cmd.buffer.registers[i++].value = (u8) 1; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 160; + else + cmd.buffer.registers[i++].value = (u8) 64; + + /* Output Image Size */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; + cmd.buffer.registers[i++].value = cam->params.roi.width / 4; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; + cmd.buffer.registers[i++].value = cam->params.roi.height / 4; + + /* Cropping */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); + else + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); + else + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); + + /* Scaling registers (defaults) */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; + cmd.buffer.registers[i++].value = (u8) 31; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; + cmd.buffer.registers[i++].value = (u8) 31; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; + cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; + cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ + + cmd.reg_count = i; + + cpia2_send_command(cam, &cmd); + + return i; +} + + +/****************************************************************************** + * + * config_sensor_500(cam) + * + *****************************************************************************/ +static int config_sensor_500(struct camera_data *cam, + int req_width, int req_height) +{ + struct cpia2_command cmd; + int i = 0; + int image_size = VIDEOSIZE_CIF; + int image_type = VIDEOSIZE_VGA; + int width = req_width; + int height = req_height; + unsigned int device = cam->params.pnp_id.device_type; + + image_size = cpia2_match_video_size(width, height); + + if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS) + image_type = VIDEOSIZE_VGA; + else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS) + image_type = VIDEOSIZE_CIF; + else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS) + image_type = VIDEOSIZE_QVGA; + else + image_type = VIDEOSIZE_QCIF; + + if (image_size >= 0) { + set_vw_size(cam, image_size); + width = cam->params.roi.width; + height = cam->params.roi.height; + } else { + ERR("ConfigSensor500 failed\n"); + return -EINVAL; + } + + DBG("image_size = %d, width = %d, height = %d, type = %d\n", + image_size, width, height, image_type); + + cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; + cmd.direction = TRANSFER_WRITE; + i = 0; + + /* VC Format */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; + cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING; + i++; + + /* VC Clocks */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; + if (device == DEVICE_STV_672) { + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i].value = + (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1; + else + cmd.buffer.registers[i].value = + (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING | + CPIA2_VC_VC_CLOCKS_LOGDIV3); + } else { + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i].value = + (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0; + else + cmd.buffer.registers[i].value = + (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING | + CPIA2_VC_VC_CLOCKS_LOGDIV2); + } + i++; + + DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value); + + /* Input width from VP */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i].value = + (u8) (STV_IMAGE_VGA_COLS / 4); + else + cmd.buffer.registers[i].value = + (u8) (STV_IMAGE_QVGA_COLS / 4); + i++; + DBG("Input width = %d\n", cmd.buffer.registers[i-1].value); + + /* Timings */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i++].value = (u8) 2; + else + cmd.buffer.registers[i++].value = (u8) 1; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i++].value = (u8) 250; + else if (image_type == VIDEOSIZE_QVGA) + cmd.buffer.registers[i++].value = (u8) 125; + else + cmd.buffer.registers[i++].value = (u8) 160; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i++].value = (u8) 2; + else + cmd.buffer.registers[i++].value = (u8) 1; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i++].value = (u8) 12; + else if (image_type == VIDEOSIZE_QVGA) + cmd.buffer.registers[i++].value = (u8) 64; + else + cmd.buffer.registers[i++].value = (u8) 6; + + /* Output Image Size */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4; + else + cmd.buffer.registers[i++].value = width / 4; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; + if (image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4; + else + cmd.buffer.registers[i++].value = height / 4; + + /* Cropping */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2); + else if (image_type == VIDEOSIZE_QVGA) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2); + else if (image_type == VIDEOSIZE_CIF) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); + else /*if (image_type == VIDEOSIZE_QCIF)*/ + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; + if (image_type == VIDEOSIZE_VGA) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2); + else if (image_type == VIDEOSIZE_QVGA) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2); + else if (image_type == VIDEOSIZE_CIF) + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); + else /*if (image_type == VIDEOSIZE_QCIF)*/ + cmd.buffer.registers[i++].value = + (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); + + /* Scaling registers (defaults) */ + cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; + if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 36; + else + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; + if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 32; + else + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; + if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 26; + else + cmd.buffer.registers[i++].value = (u8) 31; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; + if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 21; + else + cmd.buffer.registers[i++].value = (u8) 31; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; + cmd.buffer.registers[i++].value = (u8) 0; + + cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; + if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */ + else + cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ + + cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; + if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) + cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */ + else + cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ + + cmd.reg_count = i; + + cpia2_send_command(cam, &cmd); + + return i; +} + + +/****************************************************************************** + * + * setallproperties + * + * This sets all user changeable properties to the values in cam->params. + *****************************************************************************/ +static int set_all_properties(struct camera_data *cam) +{ + /** + * Don't set target_kb here, it will be set later. + * framerate and user_mode were already set (set_default_user_mode). + **/ + + cpia2_usb_change_streaming_alternate(cam, + cam->params.camera_state.stream_mode); + + cpia2_do_command(cam, + CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, + TRANSFER_WRITE, cam->params.vp_params.gpio_direction); + cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE, + cam->params.vp_params.gpio_data); + + v4l2_ctrl_handler_setup(&cam->hdl); + + wake_system(cam); + + set_lowlight_boost(cam); + + return 0; +} + +/****************************************************************************** + * + * cpia2_save_camera_state + * + *****************************************************************************/ +void cpia2_save_camera_state(struct camera_data *cam) +{ + cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); + cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ, + 0); + cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0); + /* Don't get framerate or target_kb. Trust the values we already have */ +} + + +/****************************************************************************** + * + * cpia2_set_flicker_mode + * + *****************************************************************************/ +int cpia2_set_flicker_mode(struct camera_data *cam, int mode) +{ + unsigned char cam_reg; + int err = 0; + + if(cam->params.pnp_id.device_type != DEVICE_STV_672) + return -EINVAL; + + /* Set the appropriate bits in FLICKER_MODES, preserving the rest */ + if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES, + TRANSFER_READ, 0))) + return err; + cam_reg = cam->params.flicker_control.cam_register; + + switch(mode) { + case NEVER_FLICKER: + cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; + cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; + break; + case FLICKER_60: + cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; + cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; + break; + case FLICKER_50: + cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; + cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ; + break; + default: + return -EINVAL; + } + + if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES, + TRANSFER_WRITE, cam_reg))) + return err; + + /* Set the appropriate bits in EXP_MODES, preserving the rest */ + if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES, + TRANSFER_READ, 0))) + return err; + cam_reg = cam->params.vp_params.exposure_modes; + + if (mode == NEVER_FLICKER) { + cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; + } else { + cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; + } + + if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES, + TRANSFER_WRITE, cam_reg))) + return err; + + if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, + TRANSFER_WRITE, 1))) + return err; + + switch(mode) { + case NEVER_FLICKER: + case FLICKER_60: + case FLICKER_50: + cam->params.flicker_control.flicker_mode_req = mode; + break; + default: + err = -EINVAL; + } + + return err; +} + +/****************************************************************************** + * + * cpia2_set_property_flip + * + *****************************************************************************/ +void cpia2_set_property_flip(struct camera_data *cam, int prop_val) +{ + unsigned char cam_reg; + + cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); + cam_reg = cam->params.vp_params.user_effects; + + if (prop_val) + { + cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP; + } + else + { + cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP; + } + cam->params.vp_params.user_effects = cam_reg; + cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, + cam_reg); +} + +/****************************************************************************** + * + * cpia2_set_property_mirror + * + *****************************************************************************/ +void cpia2_set_property_mirror(struct camera_data *cam, int prop_val) +{ + unsigned char cam_reg; + + cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); + cam_reg = cam->params.vp_params.user_effects; + + if (prop_val) + { + cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR; + } + else + { + cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR; + } + cam->params.vp_params.user_effects = cam_reg; + cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, + cam_reg); +} + +/****************************************************************************** + * + * cpia2_set_gpio + * + *****************************************************************************/ +int cpia2_set_gpio(struct camera_data *cam, unsigned char setting) +{ + int ret; + + /* Set the microport direction (register 0x90, should be defined + * already) to 1 (user output), and set the microport data (0x91) to + * the value in the ioctl argument. + */ + + ret = cpia2_do_command(cam, + CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, + CPIA2_VC_MP_DIR_OUTPUT, + 255); + if (ret < 0) + return ret; + cam->params.vp_params.gpio_direction = 255; + + ret = cpia2_do_command(cam, + CPIA2_CMD_SET_VC_MP_GPIO_DATA, + CPIA2_VC_MP_DIR_OUTPUT, + setting); + if (ret < 0) + return ret; + cam->params.vp_params.gpio_data = setting; + + return 0; +} + +/****************************************************************************** + * + * cpia2_set_fps + * + *****************************************************************************/ +int cpia2_set_fps(struct camera_data *cam, int framerate) +{ + int retval; + + switch(framerate) { + case CPIA2_VP_FRAMERATE_30: + case CPIA2_VP_FRAMERATE_25: + if(cam->params.pnp_id.device_type == DEVICE_STV_672 && + cam->params.version.sensor_flags == + CPIA2_VP_SENSOR_FLAGS_500) { + return -EINVAL; + } + /* Fall through */ + case CPIA2_VP_FRAMERATE_15: + case CPIA2_VP_FRAMERATE_12_5: + case CPIA2_VP_FRAMERATE_7_5: + case CPIA2_VP_FRAMERATE_6_25: + break; + default: + return -EINVAL; + } + + if (cam->params.pnp_id.device_type == DEVICE_STV_672 && + framerate == CPIA2_VP_FRAMERATE_15) + framerate = 0; /* Work around bug in VP4 */ + + retval = cpia2_do_command(cam, + CPIA2_CMD_FRAMERATE_REQ, + TRANSFER_WRITE, + framerate); + + if(retval == 0) + cam->params.vp_params.frame_rate = framerate; + + return retval; +} + +/****************************************************************************** + * + * cpia2_set_brightness + * + *****************************************************************************/ +void cpia2_set_brightness(struct camera_data *cam, unsigned char value) +{ + /*** + * Don't let the register be set to zero - bug in VP4 - flash of full + * brightness + ***/ + if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0) + value++; + DBG("Setting brightness to %d (0x%0x)\n", value, value); + cpia2_do_command(cam, CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE, value); +} + +/****************************************************************************** + * + * cpia2_set_contrast + * + *****************************************************************************/ +void cpia2_set_contrast(struct camera_data *cam, unsigned char value) +{ + DBG("Setting contrast to %d (0x%0x)\n", value, value); + cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value); +} + +/****************************************************************************** + * + * cpia2_set_saturation + * + *****************************************************************************/ +void cpia2_set_saturation(struct camera_data *cam, unsigned char value) +{ + DBG("Setting saturation to %d (0x%0x)\n", value, value); + cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value); +} + +/****************************************************************************** + * + * wake_system + * + *****************************************************************************/ +static void wake_system(struct camera_data *cam) +{ + cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0); +} + +/****************************************************************************** + * + * set_lowlight_boost + * + * Valid for STV500 sensor only + *****************************************************************************/ +static void set_lowlight_boost(struct camera_data *cam) +{ + struct cpia2_command cmd; + + if (cam->params.pnp_id.device_type != DEVICE_STV_672 || + cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500) + return; + + cmd.direction = TRANSFER_WRITE; + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 3; + cmd.start = CPIA2_VP_RAM_ADDR_H; + + cmd.buffer.block_data[0] = 0; /* High byte of address to write to */ + cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */ + cmd.buffer.block_data[2] = 0; /* High byte of data to write */ + + cpia2_send_command(cam, &cmd); + + if (cam->params.vp_params.lowlight_boost) { + cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */ + } else { + cmd.buffer.block_data[0] = 0x06; + } + cmd.start = CPIA2_VP_RAM_DATA; + cmd.reg_count = 1; + cpia2_send_command(cam, &cmd); + + /* Rehash the VP4 values */ + cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1); +} + +/****************************************************************************** + * + * cpia2_set_format + * + * Assumes that new size is already set in param struct. + *****************************************************************************/ +void cpia2_set_format(struct camera_data *cam) +{ + cam->flush = true; + + cpia2_usb_stream_pause(cam); + + /* reset camera to new size */ + cpia2_set_low_power(cam); + cpia2_reset_camera(cam); + cam->flush = false; + + cpia2_dbg_dump_registers(cam); + + cpia2_usb_stream_resume(cam); +} + +/****************************************************************************** + * + * cpia2_dbg_dump_registers + * + *****************************************************************************/ +void cpia2_dbg_dump_registers(struct camera_data *cam) +{ +#ifdef _CPIA2_DEBUG_ + struct cpia2_command cmd; + + if (!(debugs_on & DEBUG_DUMP_REGS)) + return; + + cmd.direction = TRANSFER_READ; + + /* Start with bank 0 (SYSTEM) */ + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; + cmd.reg_count = 3; + cmd.start = 0; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "System Device Hi = 0x%X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "System Device Lo = 0x%X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "System_system control = 0x%X\n", + cmd.buffer.block_data[2]); + + /* Bank 1 (VC) */ + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; + cmd.reg_count = 4; + cmd.start = 0x80; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "ASIC_ID = 0x%X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "ASIC_REV = 0x%X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "PW_CONTRL = 0x%X\n", + cmd.buffer.block_data[2]); + printk(KERN_DEBUG "WAKEUP = 0x%X\n", + cmd.buffer.block_data[3]); + + cmd.start = 0xA0; /* ST_CTRL */ + cmd.reg_count = 1; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "Stream ctrl = 0x%X\n", + cmd.buffer.block_data[0]); + + cmd.start = 0xA4; /* Stream status */ + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "Stream status = 0x%X\n", + cmd.buffer.block_data[0]); + + cmd.start = 0xA8; /* USB status */ + cmd.reg_count = 3; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "USB_CTRL = 0x%X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "USB_STRM = 0x%X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "USB_STATUS = 0x%X\n", + cmd.buffer.block_data[2]); + + cmd.start = 0xAF; /* USB settings */ + cmd.reg_count = 1; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "USB settings = 0x%X\n", + cmd.buffer.block_data[0]); + + cmd.start = 0xC0; /* VC stuff */ + cmd.reg_count = 26; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "VC Control = 0x%0X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "VC Format = 0x%0X\n", + cmd.buffer.block_data[3]); + printk(KERN_DEBUG "VC Clocks = 0x%0X\n", + cmd.buffer.block_data[4]); + printk(KERN_DEBUG "VC IHSize = 0x%0X\n", + cmd.buffer.block_data[5]); + printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n", + cmd.buffer.block_data[6]); + printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n", + cmd.buffer.block_data[7]); + printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n", + cmd.buffer.block_data[8]); + printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n", + cmd.buffer.block_data[9]); + printk(KERN_DEBUG "VC OHSize = 0x%0X\n", + cmd.buffer.block_data[10]); + printk(KERN_DEBUG "VC OVSize = 0x%0X\n", + cmd.buffer.block_data[11]); + printk(KERN_DEBUG "VC HCrop = 0x%0X\n", + cmd.buffer.block_data[12]); + printk(KERN_DEBUG "VC VCrop = 0x%0X\n", + cmd.buffer.block_data[13]); + printk(KERN_DEBUG "VC HPhase = 0x%0X\n", + cmd.buffer.block_data[14]); + printk(KERN_DEBUG "VC VPhase = 0x%0X\n", + cmd.buffer.block_data[15]); + printk(KERN_DEBUG "VC HIspan = 0x%0X\n", + cmd.buffer.block_data[16]); + printk(KERN_DEBUG "VC VIspan = 0x%0X\n", + cmd.buffer.block_data[17]); + printk(KERN_DEBUG "VC HiCrop = 0x%0X\n", + cmd.buffer.block_data[18]); + printk(KERN_DEBUG "VC ViCrop = 0x%0X\n", + cmd.buffer.block_data[19]); + printk(KERN_DEBUG "VC HiFract = 0x%0X\n", + cmd.buffer.block_data[20]); + printk(KERN_DEBUG "VC ViFract = 0x%0X\n", + cmd.buffer.block_data[21]); + printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n", + cmd.buffer.block_data[22]); + printk(KERN_DEBUG "VC Creep Per = 0x%0X\n", + cmd.buffer.block_data[23]); + printk(KERN_DEBUG "VC User Sq. = 0x%0X\n", + cmd.buffer.block_data[24]); + printk(KERN_DEBUG "VC Target KB = 0x%0X\n", + cmd.buffer.block_data[25]); + + /*** VP ***/ + cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; + cmd.reg_count = 14; + cmd.start = 0; + cpia2_send_command(cam, &cmd); + + printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "VP Sys State = 0x%0X\n", + cmd.buffer.block_data[2]); + printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n", + cmd.buffer.block_data[3]); + printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n", + cmd.buffer.block_data[5]); + printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n", + cmd.buffer.block_data[6]); + printk(KERN_DEBUG "VP Dev Config = 0x%0X\n", + cmd.buffer.block_data[7]); + printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n", + cmd.buffer.block_data[8]); + printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n", + cmd.buffer.block_data[9]); + printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n", + cmd.buffer.block_data[10]); + printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n", + cmd.buffer.block_data[11]); + printk(KERN_DEBUG "VP RAM Data = 0x%0X\n", + cmd.buffer.block_data[12]); + printk(KERN_DEBUG "Do Call = 0x%0X\n", + cmd.buffer.block_data[13]); + + if (cam->params.pnp_id.device_type == DEVICE_STV_672) { + cmd.reg_count = 9; + cmd.start = 0x0E; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", + cmd.buffer.block_data[2]); + printk(KERN_DEBUG "VP Framerate = 0x%0X\n", + cmd.buffer.block_data[3]); + printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", + cmd.buffer.block_data[4]); + printk(KERN_DEBUG "VP White Bal = 0x%0X\n", + cmd.buffer.block_data[5]); + printk(KERN_DEBUG "VP WB thresh = 0x%0X\n", + cmd.buffer.block_data[6]); + printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n", + cmd.buffer.block_data[7]); + printk(KERN_DEBUG "VP Exp Target = 0x%0X\n", + cmd.buffer.block_data[8]); + + cmd.reg_count = 1; + cmd.start = 0x1B; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n", + cmd.buffer.block_data[0]); + } else { + cmd.reg_count = 8 ; + cmd.start = 0x0E; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", + cmd.buffer.block_data[5]); + printk(KERN_DEBUG "VP Framerate = 0x%0X\n", + cmd.buffer.block_data[6]); + printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", + cmd.buffer.block_data[7]); + + cmd.reg_count = 1; + cmd.start = CPIA2_VP5_EXPOSURE_TARGET; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n", + cmd.buffer.block_data[0]); + + cmd.reg_count = 4; + cmd.start = 0x3A; + cpia2_send_command(cam, &cmd); + printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n", + cmd.buffer.block_data[0]); + printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n", + cmd.buffer.block_data[1]); + printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n", + cmd.buffer.block_data[2]); + printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n", + cmd.buffer.block_data[3]); + } +#endif +} + +/****************************************************************************** + * + * reset_camera_struct + * + * Sets all values to the defaults + *****************************************************************************/ +static void reset_camera_struct(struct camera_data *cam) +{ + /*** + * The following parameter values are the defaults from the register map. + ***/ + cam->params.vp_params.lowlight_boost = 0; + + /* FlickerModes */ + cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER; + + /* jpeg params */ + cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT; + cam->params.compression.creep_period = 2; + cam->params.compression.user_squeeze = 20; + cam->params.compression.inhibit_htables = false; + + /* gpio params */ + cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */ + cam->params.vp_params.gpio_data = 0; + + /* Target kb params */ + cam->params.vc_params.quality = 100; + + /*** + * Set Sensor FPS as fast as possible. + ***/ + if(cam->params.pnp_id.device_type == DEVICE_STV_672) { + if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) + cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15; + else + cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; + } else { + cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; + } + + /*** + * Set default video mode as large as possible : + * for vga sensor set to vga, for cif sensor set to CIF. + ***/ + if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) { + cam->sensor_type = CPIA2_SENSOR_500; + cam->video_size = VIDEOSIZE_VGA; + cam->params.roi.width = STV_IMAGE_VGA_COLS; + cam->params.roi.height = STV_IMAGE_VGA_ROWS; + } else { + cam->sensor_type = CPIA2_SENSOR_410; + cam->video_size = VIDEOSIZE_CIF; + cam->params.roi.width = STV_IMAGE_CIF_COLS; + cam->params.roi.height = STV_IMAGE_CIF_ROWS; + } + + cam->width = cam->params.roi.width; + cam->height = cam->params.roi.height; +} + +/****************************************************************************** + * + * cpia2_init_camera_struct + * + * Initializes camera struct, does not call reset to fill in defaults. + *****************************************************************************/ +struct camera_data *cpia2_init_camera_struct(struct usb_interface *intf) +{ + struct camera_data *cam; + + cam = kzalloc(sizeof(*cam), GFP_KERNEL); + + if (!cam) { + ERR("couldn't kmalloc cpia2 struct\n"); + return NULL; + } + + cam->v4l2_dev.release = cpia2_camera_release; + if (v4l2_device_register(&intf->dev, &cam->v4l2_dev) < 0) { + v4l2_err(&cam->v4l2_dev, "couldn't register v4l2_device\n"); + kfree(cam); + return NULL; + } + + mutex_init(&cam->v4l2_lock); + init_waitqueue_head(&cam->wq_stream); + + return cam; +} + +/****************************************************************************** + * + * cpia2_init_camera + * + * Initializes camera. + *****************************************************************************/ +int cpia2_init_camera(struct camera_data *cam) +{ + DBG("Start\n"); + + cam->mmapped = false; + + /* Get sensor and asic types before reset. */ + cpia2_set_high_power(cam); + cpia2_get_version_info(cam); + if (cam->params.version.asic_id != CPIA2_ASIC_672) { + ERR("Device IO error (asicID has incorrect value of 0x%X\n", + cam->params.version.asic_id); + return -ENODEV; + } + + /* Set GPIO direction and data to a safe state. */ + cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, + TRANSFER_WRITE, 0); + cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, + TRANSFER_WRITE, 0); + + /* resetting struct requires version info for sensor and asic types */ + reset_camera_struct(cam); + + cpia2_set_low_power(cam); + + DBG("End\n"); + + return 0; +} + +/****************************************************************************** + * + * cpia2_allocate_buffers + * + *****************************************************************************/ +int cpia2_allocate_buffers(struct camera_data *cam) +{ + int i; + + if(!cam->buffers) { + u32 size = cam->num_frames*sizeof(struct framebuf); + cam->buffers = kmalloc(size, GFP_KERNEL); + if(!cam->buffers) { + ERR("couldn't kmalloc frame buffer structures\n"); + return -ENOMEM; + } + } + + if(!cam->frame_buffer) { + cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames); + if (!cam->frame_buffer) { + ERR("couldn't vmalloc frame buffer data area\n"); + kfree(cam->buffers); + cam->buffers = NULL; + return -ENOMEM; + } + } + + for(i=0; i<cam->num_frames-1; ++i) { + cam->buffers[i].next = &cam->buffers[i+1]; + cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; + cam->buffers[i].status = FRAME_EMPTY; + cam->buffers[i].length = 0; + cam->buffers[i].max_length = 0; + cam->buffers[i].num = i; + } + cam->buffers[i].next = cam->buffers; + cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; + cam->buffers[i].status = FRAME_EMPTY; + cam->buffers[i].length = 0; + cam->buffers[i].max_length = 0; + cam->buffers[i].num = i; + cam->curbuff = cam->buffers; + cam->workbuff = cam->curbuff->next; + DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff, + cam->workbuff); + return 0; +} + +/****************************************************************************** + * + * cpia2_free_buffers + * + *****************************************************************************/ +void cpia2_free_buffers(struct camera_data *cam) +{ + if(cam->buffers) { + kfree(cam->buffers); + cam->buffers = NULL; + } + if(cam->frame_buffer) { + rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames); + cam->frame_buffer = NULL; + } +} + +/****************************************************************************** + * + * cpia2_read + * + *****************************************************************************/ +long cpia2_read(struct camera_data *cam, + char __user *buf, unsigned long count, int noblock) +{ + struct framebuf *frame; + + if (!count) + return 0; + + if (!buf) { + ERR("%s: buffer NULL\n",__func__); + return -EINVAL; + } + + if (!cam) { + ERR("%s: Internal error, camera_data NULL!\n",__func__); + return -EINVAL; + } + + if (!cam->streaming) { + /* Start streaming */ + cpia2_usb_stream_start(cam, + cam->params.camera_state.stream_mode); + } + + /* Copy cam->curbuff in case it changes while we're processing */ + frame = cam->curbuff; + if (noblock && frame->status != FRAME_READY) { + return -EAGAIN; + } + + if (frame->status != FRAME_READY) { + mutex_unlock(&cam->v4l2_lock); + wait_event_interruptible(cam->wq_stream, + !video_is_registered(&cam->vdev) || + (frame = cam->curbuff)->status == FRAME_READY); + mutex_lock(&cam->v4l2_lock); + if (signal_pending(current)) + return -ERESTARTSYS; + if (!video_is_registered(&cam->vdev)) + return 0; + } + + /* copy data to user space */ + if (frame->length > count) + return -EFAULT; + if (copy_to_user(buf, frame->data, frame->length)) + return -EFAULT; + + count = frame->length; + + frame->status = FRAME_EMPTY; + + return count; +} + +/****************************************************************************** + * + * cpia2_poll + * + *****************************************************************************/ +unsigned int cpia2_poll(struct camera_data *cam, struct file *filp, + poll_table *wait) +{ + unsigned int status = v4l2_ctrl_poll(filp, wait); + + if ((poll_requested_events(wait) & (POLLIN | POLLRDNORM)) && + !cam->streaming) { + /* Start streaming */ + cpia2_usb_stream_start(cam, + cam->params.camera_state.stream_mode); + } + + poll_wait(filp, &cam->wq_stream, wait); + + if (cam->curbuff->status == FRAME_READY) + status |= POLLIN | POLLRDNORM; + + return status; +} + +/****************************************************************************** + * + * cpia2_remap_buffer + * + *****************************************************************************/ +int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma) +{ + const char *adr = (const char *)vma->vm_start; + unsigned long size = vma->vm_end-vma->vm_start; + unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT; + unsigned long start = (unsigned long) adr; + unsigned long page, pos; + + DBG("mmap offset:%ld size:%ld\n", start_offset, size); + + if (!video_is_registered(&cam->vdev)) + return -ENODEV; + + if (size > cam->frame_size*cam->num_frames || + (start_offset % cam->frame_size) != 0 || + (start_offset+size > cam->frame_size*cam->num_frames)) + return -EINVAL; + + pos = ((unsigned long) (cam->frame_buffer)) + start_offset; + while (size > 0) { + page = kvirt_to_pa(pos); + if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED)) + return -EAGAIN; + start += PAGE_SIZE; + pos += PAGE_SIZE; + if (size > PAGE_SIZE) + size -= PAGE_SIZE; + else + size = 0; + } + + cam->mmapped = true; + return 0; +} |
