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path: root/drivers/media/video/ivtv/ivtv-gpio.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-gpio.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-gpio.c390
1 files changed, 0 insertions, 390 deletions
diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c
deleted file mode 100644
index dc2850e87a7..00000000000
--- a/drivers/media/video/ivtv/ivtv-gpio.c
+++ /dev/null
@@ -1,390 +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>
-
-/*
- * 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 struct v4l2_queryctrl gpio_ctrl_mute = {
- .id = V4L2_CID_AUDIO_MUTE,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Mute",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1,
- .flags = 0,
-};
-
-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_MODE_STEREO |
- V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_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_std(struct v4l2_subdev *sd, v4l2_std_id std)
-{
- struct ivtv *itv = sd_to_ivtv(sd);
- u16 mask, data;
-
- mask = itv->card->gpio_audio_input.mask;
- data = itv->card->gpio_audio_input.tuner;
- 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, const struct v4l2_routing *route)
-{
- struct ivtv *itv = sd_to_ivtv(sd);
- u16 mask, data;
-
- if (route->input > 2)
- return -EINVAL;
- mask = itv->card->gpio_audio_input.mask;
- switch (route->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_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct ivtv *itv = sd_to_ivtv(sd);
- u16 mask, data;
-
- if (ctrl->id != V4L2_CID_AUDIO_MUTE)
- return -EINVAL;
- mask = itv->card->gpio_audio_mute.mask;
- data = itv->card->gpio_audio_mute.mute;
- ctrl->value = (read_reg(IVTV_REG_GPIO_OUT) & mask) == data;
- return 0;
-}
-
-static int subdev_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct ivtv *itv = sd_to_ivtv(sd);
- u16 mask, data;
-
- if (ctrl->id != V4L2_CID_AUDIO_MUTE)
- return -EINVAL;
- mask = itv->card->gpio_audio_mute.mask;
- data = ctrl->value ? 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;
-}
-
-static int subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
-{
- if (qc->id != V4L2_CID_AUDIO_MUTE)
- return -EINVAL;
- *qc = gpio_ctrl_mute;
- return 0;
-}
-
-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));
- return 0;
-}
-
-static int subdev_s_video_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
-{
- struct ivtv *itv = sd_to_ivtv(sd);
- u16 mask, data;
-
- if (route->input > 2) /* 0:Tuner 1:Composite 2:S-Video */
- return -EINVAL;
- mask = itv->card->gpio_video_input.mask;
- if (route->input == 0)
- data = itv->card->gpio_video_input.tuner;
- else if (route->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_subdev_core_ops subdev_core_ops = {
- .log_status = subdev_log_status,
- .g_ctrl = subdev_g_ctrl,
- .s_ctrl = subdev_s_ctrl,
- .queryctrl = subdev_queryctrl,
-};
-
-static const struct v4l2_subdev_tuner_ops subdev_tuner_ops = {
- .s_std = subdev_s_std,
- .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->device.name);
- itv->sd_gpio.grp_id = IVTV_HW_GPIO;
- return v4l2_device_register_subdev(&itv->device, &itv->sd_gpio);
-}
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