diff options
Diffstat (limited to 'drivers/media/video/cpia2/cpia2_core.c')
-rw-r--r-- | drivers/media/video/cpia2/cpia2_core.c | 2413 |
1 files changed, 0 insertions, 2413 deletions
diff --git a/drivers/media/video/cpia2/cpia2_core.c b/drivers/media/video/cpia2/cpia2_core.c deleted file mode 100644 index 17188e234770..000000000000 --- a/drivers/media/video/cpia2/cpia2_core.c +++ /dev/null @@ -1,2413 +0,0 @@ -/**************************************************************************** - * - * 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/slab.h> -#include <linux/mm.h> -#include <linux/vmalloc.h> -#include <linux/firmware.h> - -/* #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[] = "cpia2/stv0672_vp4.bin"; - 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; -} |