diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-gpio.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-gpio.c | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c deleted file mode 100644 index 8f0d07789053..000000000000 --- a/drivers/media/video/ivtv/ivtv-gpio.c +++ /dev/null @@ -1,374 +0,0 @@ -/* - gpio functions. - Merging GPIO support into driver: - Copyright (C) 2004 Chris Kennedy <c@groovy.org> - Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> - - 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "ivtv-driver.h" -#include "ivtv-cards.h" -#include "ivtv-gpio.h" -#include "tuner-xc2028.h" -#include <media/tuner.h> -#include <media/v4l2-ctrls.h> - -/* - * GPIO assignment of Yuan MPG600/MPG160 - * - * bit 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0 - * OUTPUT IN1 IN0 AM3 AM2 AM1 AM0 - * INPUT DM1 DM0 - * - * IN* : Input selection - * IN1 IN0 - * 1 1 N/A - * 1 0 Line - * 0 1 N/A - * 0 0 Tuner - * - * AM* : Audio Mode - * AM3 0: Normal 1: Mixed(Sub+Main channel) - * AM2 0: Subchannel 1: Main channel - * AM1 0: Stereo 1: Mono - * AM0 0: Normal 1: Mute - * - * DM* : Detected tuner audio Mode - * DM1 0: Stereo 1: Mono - * DM0 0: Multiplex 1: Normal - * - * GPIO Initial Settings - * MPG600 MPG160 - * DIR 0x3080 0x7080 - * OUTPUT 0x000C 0x400C - * - * Special thanks to Makoto Iguchi <iguchi@tahoo.org> and Mr. Anonymous - * for analyzing GPIO of MPG160. - * - ***************************************************************************** - * - * GPIO assignment of Avermedia M179 (per information direct from AVerMedia) - * - * bit 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0 - * OUTPUT IN0 AM0 IN1 AM1 AM2 IN2 BR0 BR1 - * INPUT - * - * IN* : Input selection - * IN0 IN1 IN2 - * * 1 * Mute - * 0 0 0 Line-In - * 1 0 0 TV Tuner Audio - * 0 0 1 FM Audio - * 1 0 1 Mute - * - * AM* : Audio Mode - * AM0 AM1 AM2 - * 0 0 0 TV Tuner Audio: L_OUT=(L+R)/2, R_OUT=SAP - * 0 0 1 TV Tuner Audio: L_OUT=R_OUT=SAP (SAP) - * 0 1 0 TV Tuner Audio: L_OUT=L, R_OUT=R (stereo) - * 0 1 1 TV Tuner Audio: mute - * 1 * * TV Tuner Audio: L_OUT=R_OUT=(L+R)/2 (mono) - * - * BR* : Audio Sample Rate (BR stands for bitrate for some reason) - * BR0 BR1 - * 0 0 32 kHz - * 0 1 44.1 kHz - * 1 0 48 kHz - * - * DM* : Detected tuner audio Mode - * Unknown currently - * - * Special thanks to AVerMedia Technologies, Inc. and Jiun-Kuei Jung at - * AVerMedia for providing the GPIO information used to add support - * for the M179 cards. - */ - -/********************* GPIO stuffs *********************/ - -/* GPIO registers */ -#define IVTV_REG_GPIO_IN 0x9008 -#define IVTV_REG_GPIO_OUT 0x900c -#define IVTV_REG_GPIO_DIR 0x9020 - -void ivtv_reset_ir_gpio(struct ivtv *itv) -{ - int curdir, curout; - - if (itv->card->type != IVTV_CARD_PVR_150) - return; - IVTV_DEBUG_INFO("Resetting PVR150 IR\n"); - curout = read_reg(IVTV_REG_GPIO_OUT); - curdir = read_reg(IVTV_REG_GPIO_DIR); - curdir |= 0x80; - write_reg(curdir, IVTV_REG_GPIO_DIR); - curout = (curout & ~0xF) | 1; - write_reg(curout, IVTV_REG_GPIO_OUT); - /* We could use something else for smaller time */ - schedule_timeout_interruptible(msecs_to_jiffies(1)); - curout |= 2; - write_reg(curout, IVTV_REG_GPIO_OUT); - curdir &= ~0x80; - write_reg(curdir, IVTV_REG_GPIO_DIR); -} - -/* Xceive tuner reset function */ -int ivtv_reset_tuner_gpio(void *dev, int component, int cmd, int value) -{ - struct i2c_algo_bit_data *algo = dev; - struct ivtv *itv = algo->data; - u32 curout; - - if (cmd != XC2028_TUNER_RESET) - return 0; - IVTV_DEBUG_INFO("Resetting tuner\n"); - curout = read_reg(IVTV_REG_GPIO_OUT); - curout &= ~(1 << itv->card->xceive_pin); - write_reg(curout, IVTV_REG_GPIO_OUT); - schedule_timeout_interruptible(msecs_to_jiffies(1)); - - curout |= 1 << itv->card->xceive_pin; - write_reg(curout, IVTV_REG_GPIO_OUT); - schedule_timeout_interruptible(msecs_to_jiffies(1)); - return 0; -} - -static inline struct ivtv *sd_to_ivtv(struct v4l2_subdev *sd) -{ - return container_of(sd, struct ivtv, sd_gpio); -} - -static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) -{ - return &container_of(ctrl->handler, struct ivtv, hdl_gpio)->sd_gpio; -} - -static int subdev_s_clock_freq(struct v4l2_subdev *sd, u32 freq) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - mask = itv->card->gpio_audio_freq.mask; - switch (freq) { - case 32000: - data = itv->card->gpio_audio_freq.f32000; - break; - case 44100: - data = itv->card->gpio_audio_freq.f44100; - break; - case 48000: - default: - data = itv->card->gpio_audio_freq.f48000; - break; - } - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); - return 0; -} - -static int subdev_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask; - - mask = itv->card->gpio_audio_detect.mask; - if (mask == 0 || (read_reg(IVTV_REG_GPIO_IN) & mask)) - vt->rxsubchans = V4L2_TUNER_SUB_STEREO | - V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; - else - vt->rxsubchans = V4L2_TUNER_SUB_MONO; - return 0; -} - -static int subdev_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - mask = itv->card->gpio_audio_mode.mask; - switch (vt->audmode) { - case V4L2_TUNER_MODE_LANG1: - data = itv->card->gpio_audio_mode.lang1; - break; - case V4L2_TUNER_MODE_LANG2: - data = itv->card->gpio_audio_mode.lang2; - break; - case V4L2_TUNER_MODE_MONO: - data = itv->card->gpio_audio_mode.mono; - break; - case V4L2_TUNER_MODE_STEREO: - case V4L2_TUNER_MODE_LANG1_LANG2: - default: - data = itv->card->gpio_audio_mode.stereo; - break; - } - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); - return 0; -} - -static int subdev_s_radio(struct v4l2_subdev *sd) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - mask = itv->card->gpio_audio_input.mask; - data = itv->card->gpio_audio_input.radio; - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); - return 0; -} - -static int subdev_s_audio_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - if (input > 2) - return -EINVAL; - mask = itv->card->gpio_audio_input.mask; - switch (input) { - case 0: - data = itv->card->gpio_audio_input.tuner; - break; - case 1: - data = itv->card->gpio_audio_input.linein; - break; - case 2: - default: - data = itv->card->gpio_audio_input.radio; - break; - } - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); - return 0; -} - -static int subdev_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct v4l2_subdev *sd = to_sd(ctrl); - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - mask = itv->card->gpio_audio_mute.mask; - data = ctrl->val ? itv->card->gpio_audio_mute.mute : 0; - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | - (data & mask), IVTV_REG_GPIO_OUT); - return 0; - } - return -EINVAL; -} - - -static int subdev_log_status(struct v4l2_subdev *sd) -{ - struct ivtv *itv = sd_to_ivtv(sd); - - IVTV_INFO("GPIO status: DIR=0x%04x OUT=0x%04x IN=0x%04x\n", - read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT), - read_reg(IVTV_REG_GPIO_IN)); - v4l2_ctrl_handler_log_status(&itv->hdl_gpio, sd->name); - return 0; -} - -static int subdev_s_video_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - if (input > 2) /* 0:Tuner 1:Composite 2:S-Video */ - return -EINVAL; - mask = itv->card->gpio_video_input.mask; - if (input == 0) - data = itv->card->gpio_video_input.tuner; - else if (input == 1) - data = itv->card->gpio_video_input.composite; - else - data = itv->card->gpio_video_input.svideo; - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); - return 0; -} - -static const struct v4l2_ctrl_ops gpio_ctrl_ops = { - .s_ctrl = subdev_s_ctrl, -}; - -static const struct v4l2_subdev_core_ops subdev_core_ops = { - .log_status = subdev_log_status, - .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, - .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, - .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, - .g_ctrl = v4l2_subdev_g_ctrl, - .s_ctrl = v4l2_subdev_s_ctrl, - .queryctrl = v4l2_subdev_queryctrl, - .querymenu = v4l2_subdev_querymenu, -}; - -static const struct v4l2_subdev_tuner_ops subdev_tuner_ops = { - .s_radio = subdev_s_radio, - .g_tuner = subdev_g_tuner, - .s_tuner = subdev_s_tuner, -}; - -static const struct v4l2_subdev_audio_ops subdev_audio_ops = { - .s_clock_freq = subdev_s_clock_freq, - .s_routing = subdev_s_audio_routing, -}; - -static const struct v4l2_subdev_video_ops subdev_video_ops = { - .s_routing = subdev_s_video_routing, -}; - -static const struct v4l2_subdev_ops subdev_ops = { - .core = &subdev_core_ops, - .tuner = &subdev_tuner_ops, - .audio = &subdev_audio_ops, - .video = &subdev_video_ops, -}; - -int ivtv_gpio_init(struct ivtv *itv) -{ - u16 pin = 0; - - if (itv->card->xceive_pin) - pin = 1 << itv->card->xceive_pin; - - if ((itv->card->gpio_init.direction | pin) == 0) - return 0; - - IVTV_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n", - read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT)); - - /* init output data then direction */ - write_reg(itv->card->gpio_init.initial_value | pin, IVTV_REG_GPIO_OUT); - write_reg(itv->card->gpio_init.direction | pin, IVTV_REG_GPIO_DIR); - v4l2_subdev_init(&itv->sd_gpio, &subdev_ops); - snprintf(itv->sd_gpio.name, sizeof(itv->sd_gpio.name), "%s-gpio", itv->v4l2_dev.name); - itv->sd_gpio.grp_id = IVTV_HW_GPIO; - v4l2_ctrl_handler_init(&itv->hdl_gpio, 1); - v4l2_ctrl_new_std(&itv->hdl_gpio, &gpio_ctrl_ops, - V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); - if (itv->hdl_gpio.error) - return itv->hdl_gpio.error; - itv->sd_gpio.ctrl_handler = &itv->hdl_gpio; - v4l2_ctrl_handler_setup(&itv->hdl_gpio); - return v4l2_device_register_subdev(&itv->v4l2_dev, &itv->sd_gpio); -} |