// SPDX-License-Identifier: GPL-2.0-or-later /* Driver for Philips webcam Functions that send various control messages to the webcam, including video modes. (C) 1999-2003 Nemosoft Unv. (C) 2004-2006 Luc Saillard ([email protected]) (C) 2011 Hans de Goede <[email protected]> NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx driver and thus may have bugs that are not present in the original version. Please send bug reports and support requests to <[email protected]>. NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx driver and thus may have bugs that are not present in the original version. Please send bug reports and support requests to <[email protected]>. The decompression routines have been implemented by reverse-engineering the Nemosoft binary pwcx module. Caveat emptor. */ /* Changes 2001/08/03 Alvarado Added methods for changing white balance and red/green gains */ /* Control functions for the cam; brightness, contrast, video mode, etc. */ #ifdef __KERNEL__ #include <linux/uaccess.h> #endif #include <asm/errno.h> #include "pwc.h" #include "pwc-kiara.h" #include "pwc-timon.h" #include "pwc-dec1.h" #include "pwc-dec23.h" /* Selectors for status controls used only in this file */ #define GET_STATUS_B00 … #define SENSOR_TYPE_FORMATTER1 … #define GET_STATUS_3000 … #define READ_RAW_Y_MEAN_FORMATTER … #define SET_POWER_SAVE_MODE_FORMATTER … #define MIRROR_IMAGE_FORMATTER … #define LED_FORMATTER … #define LOWLIGHT … #define GET_STATUS_3600 … #define SENSOR_TYPE_FORMATTER2 … #define GET_STATUS_3800 … #define GET_STATUS_4000 … #define GET_STATUS_4100 … #define CTL_STATUS_4200 … /* Formatters for the Video Endpoint controls [GS]ET_EP_STREAM_CTL */ #define VIDEO_OUTPUT_CONTROL_FORMATTER … static const char *size2name[PSZ_MAX] = …; /********/ /* Entries for the Nala (645/646) camera; the Nala doesn't have compression preferences, so you either get compressed or non-compressed streams. An alternate value of 0 means this mode is not available at all. */ #define PWC_FPS_MAX_NALA … struct Nala_table_entry { … }; static unsigned int Nala_fps_vector[PWC_FPS_MAX_NALA] = …; static struct Nala_table_entry Nala_table[PSZ_MAX][PWC_FPS_MAX_NALA] = …; /****************************************************************************/ static int recv_control_msg(struct pwc_device *pdev, u8 request, u16 value, int recv_count) { … } static inline int send_video_command(struct pwc_device *pdev, int index, const unsigned char *buf, int buflen) { … } int send_control_msg(struct pwc_device *pdev, u8 request, u16 value, void *buf, int buflen) { … } static int set_video_mode_Nala(struct pwc_device *pdev, int size, int pixfmt, int frames, int *compression, int send_to_cam) { … } static int set_video_mode_Timon(struct pwc_device *pdev, int size, int pixfmt, int frames, int *compression, int send_to_cam) { … } static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int pixfmt, int frames, int *compression, int send_to_cam) { … } int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int pixfmt, int frames, int *compression, int send_to_cam) { … } static unsigned int pwc_get_fps_Nala(struct pwc_device *pdev, unsigned int index, unsigned int size) { … } static unsigned int pwc_get_fps_Kiara(struct pwc_device *pdev, unsigned int index, unsigned int size) { … } static unsigned int pwc_get_fps_Timon(struct pwc_device *pdev, unsigned int index, unsigned int size) { … } unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size) { … } int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data) { … } int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data) { … } int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data) { … } int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data) { … } int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data) { … } int pwc_button_ctrl(struct pwc_device *pdev, u16 value) { … } /* POWER */ void pwc_camera_power(struct pwc_device *pdev, int power) { … } int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value) { … } #ifdef CONFIG_USB_PWC_DEBUG int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor) { … } #endif
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