From b285192a43f0432d82c2c10974204e78af0da596 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Aug 2012 12:13:30 -0300 Subject: [media] rename most media/video pci drivers to media/pci Rename all PCI drivers with their own directory under drivers/media/video into drivers/media/pci and update the building system. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-gpio.c | 347 ----------------------------------- 1 file changed, 347 deletions(-) delete mode 100644 drivers/media/video/cx18/cx18-gpio.c (limited to 'drivers/media/video/cx18/cx18-gpio.c') diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c deleted file mode 100644 index 5374aeb0cd22..000000000000 --- a/drivers/media/video/cx18/cx18-gpio.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * cx18 gpio functions - * - * Derived from ivtv-gpio.c - * - * Copyright (C) 2007 Hans Verkuil - * Copyright (C) 2008 Andy Walls - * - * 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 "cx18-driver.h" -#include "cx18-io.h" -#include "cx18-cards.h" -#include "cx18-gpio.h" -#include "tuner-xc2028.h" - -/********************* GPIO stuffs *********************/ - -/* GPIO registers */ -#define CX18_REG_GPIO_IN 0xc72010 -#define CX18_REG_GPIO_OUT1 0xc78100 -#define CX18_REG_GPIO_DIR1 0xc78108 -#define CX18_REG_GPIO_OUT2 0xc78104 -#define CX18_REG_GPIO_DIR2 0xc7810c - -/* - * HVR-1600 GPIO pins, courtesy of Hauppauge: - * - * gpio0: zilog ir process reset pin - * gpio1: zilog programming pin (you should never use this) - * gpio12: cx24227 reset pin - * gpio13: cs5345 reset pin -*/ - -/* - * File scope utility functions - */ -static void gpio_write(struct cx18 *cx) -{ - u32 dir_lo = cx->gpio_dir & 0xffff; - u32 val_lo = cx->gpio_val & 0xffff; - u32 dir_hi = cx->gpio_dir >> 16; - u32 val_hi = cx->gpio_val >> 16; - - cx18_write_reg_expect(cx, dir_lo << 16, - CX18_REG_GPIO_DIR1, ~dir_lo, dir_lo); - cx18_write_reg_expect(cx, (dir_lo << 16) | val_lo, - CX18_REG_GPIO_OUT1, val_lo, dir_lo); - cx18_write_reg_expect(cx, dir_hi << 16, - CX18_REG_GPIO_DIR2, ~dir_hi, dir_hi); - cx18_write_reg_expect(cx, (dir_hi << 16) | val_hi, - CX18_REG_GPIO_OUT2, val_hi, dir_hi); -} - -static void gpio_update(struct cx18 *cx, u32 mask, u32 data) -{ - if (mask == 0) - return; - - mutex_lock(&cx->gpio_lock); - cx->gpio_val = (cx->gpio_val & ~mask) | (data & mask); - gpio_write(cx); - mutex_unlock(&cx->gpio_lock); -} - -static void gpio_reset_seq(struct cx18 *cx, u32 active_lo, u32 active_hi, - unsigned int assert_msecs, - unsigned int recovery_msecs) -{ - u32 mask; - - mask = active_lo | active_hi; - if (mask == 0) - return; - - /* - * Assuming that active_hi and active_lo are a subsets of the bits in - * gpio_dir. Also assumes that active_lo and active_hi don't overlap - * in any bit position - */ - - /* Assert */ - gpio_update(cx, mask, ~active_lo); - schedule_timeout_uninterruptible(msecs_to_jiffies(assert_msecs)); - - /* Deassert */ - gpio_update(cx, mask, ~active_hi); - schedule_timeout_uninterruptible(msecs_to_jiffies(recovery_msecs)); -} - -/* - * GPIO Multiplexer - logical device - */ -static int gpiomux_log_status(struct v4l2_subdev *sd) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - - mutex_lock(&cx->gpio_lock); - CX18_INFO_DEV(sd, "GPIO: direction 0x%08x, value 0x%08x\n", - cx->gpio_dir, cx->gpio_val); - mutex_unlock(&cx->gpio_lock); - return 0; -} - -static int gpiomux_s_radio(struct v4l2_subdev *sd) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - - /* - * FIXME - work out the cx->active/audio_input mess - this is - * intended to handle the switch to radio mode and set the - * audio routing, but we need to update the state in cx - */ - gpio_update(cx, cx->card->gpio_audio_input.mask, - cx->card->gpio_audio_input.radio); - return 0; -} - -static int gpiomux_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - u32 data; - - switch (cx->card->audio_inputs[cx->audio_input].muxer_input) { - case 1: - data = cx->card->gpio_audio_input.linein; - break; - case 0: - data = cx->card->gpio_audio_input.tuner; - break; - default: - /* - * FIXME - work out the cx->active/audio_input mess - this is - * intended to handle the switch from radio mode and set the - * audio routing, but we need to update the state in cx - */ - data = cx->card->gpio_audio_input.tuner; - break; - } - gpio_update(cx, cx->card->gpio_audio_input.mask, data); - return 0; -} - -static int gpiomux_s_audio_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - u32 data; - - switch (input) { - case 0: - data = cx->card->gpio_audio_input.tuner; - break; - case 1: - data = cx->card->gpio_audio_input.linein; - break; - case 2: - data = cx->card->gpio_audio_input.radio; - break; - default: - return -EINVAL; - } - gpio_update(cx, cx->card->gpio_audio_input.mask, data); - return 0; -} - -static const struct v4l2_subdev_core_ops gpiomux_core_ops = { - .log_status = gpiomux_log_status, - .s_std = gpiomux_s_std, -}; - -static const struct v4l2_subdev_tuner_ops gpiomux_tuner_ops = { - .s_radio = gpiomux_s_radio, -}; - -static const struct v4l2_subdev_audio_ops gpiomux_audio_ops = { - .s_routing = gpiomux_s_audio_routing, -}; - -static const struct v4l2_subdev_ops gpiomux_ops = { - .core = &gpiomux_core_ops, - .tuner = &gpiomux_tuner_ops, - .audio = &gpiomux_audio_ops, -}; - -/* - * GPIO Reset Controller - logical device - */ -static int resetctrl_log_status(struct v4l2_subdev *sd) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - - mutex_lock(&cx->gpio_lock); - CX18_INFO_DEV(sd, "GPIO: direction 0x%08x, value 0x%08x\n", - cx->gpio_dir, cx->gpio_val); - mutex_unlock(&cx->gpio_lock); - return 0; -} - -static int resetctrl_reset(struct v4l2_subdev *sd, u32 val) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - const struct cx18_gpio_i2c_slave_reset *p; - - p = &cx->card->gpio_i2c_slave_reset; - switch (val) { - case CX18_GPIO_RESET_I2C: - gpio_reset_seq(cx, p->active_lo_mask, p->active_hi_mask, - p->msecs_asserted, p->msecs_recovery); - break; - case CX18_GPIO_RESET_Z8F0811: - /* - * Assert timing for the Z8F0811 on HVR-1600 boards: - * 1. Assert RESET for min of 4 clock cycles at 18.432 MHz to - * initiate - * 2. Reset then takes 66 WDT cycles at 10 kHz + 16 xtal clock - * cycles (6,601,085 nanoseconds ~= 7 milliseconds) - * 3. DBG pin must be high before chip exits reset for normal - * operation. DBG is open drain and hopefully pulled high - * since we don't normally drive it (GPIO 1?) for the - * HVR-1600 - * 4. Z8F0811 won't exit reset until RESET is deasserted - * 5. Zilog comes out of reset, loads reset vector address and - * executes from there. Required recovery delay unknown. - */ - gpio_reset_seq(cx, p->ir_reset_mask, 0, - p->msecs_asserted, p->msecs_recovery); - break; - case CX18_GPIO_RESET_XC2028: - if (cx->card->tuners[0].tuner == TUNER_XC2028) - gpio_reset_seq(cx, (1 << cx->card->xceive_pin), 0, - 1, 1); - break; - } - return 0; -} - -static const struct v4l2_subdev_core_ops resetctrl_core_ops = { - .log_status = resetctrl_log_status, - .reset = resetctrl_reset, -}; - -static const struct v4l2_subdev_ops resetctrl_ops = { - .core = &resetctrl_core_ops, -}; - -/* - * External entry points - */ -void cx18_gpio_init(struct cx18 *cx) -{ - mutex_lock(&cx->gpio_lock); - cx->gpio_dir = cx->card->gpio_init.direction; - cx->gpio_val = cx->card->gpio_init.initial_value; - - if (cx->card->tuners[0].tuner == TUNER_XC2028) { - cx->gpio_dir |= 1 << cx->card->xceive_pin; - cx->gpio_val |= 1 << cx->card->xceive_pin; - } - - if (cx->gpio_dir == 0) { - mutex_unlock(&cx->gpio_lock); - return; - } - - CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", - cx18_read_reg(cx, CX18_REG_GPIO_DIR1), - cx18_read_reg(cx, CX18_REG_GPIO_DIR2), - cx18_read_reg(cx, CX18_REG_GPIO_OUT1), - cx18_read_reg(cx, CX18_REG_GPIO_OUT2)); - - gpio_write(cx); - mutex_unlock(&cx->gpio_lock); -} - -int cx18_gpio_register(struct cx18 *cx, u32 hw) -{ - struct v4l2_subdev *sd; - const struct v4l2_subdev_ops *ops; - char *str; - - switch (hw) { - case CX18_HW_GPIO_MUX: - sd = &cx->sd_gpiomux; - ops = &gpiomux_ops; - str = "gpio-mux"; - break; - case CX18_HW_GPIO_RESET_CTRL: - sd = &cx->sd_resetctrl; - ops = &resetctrl_ops; - str = "gpio-reset-ctrl"; - break; - default: - return -EINVAL; - } - - v4l2_subdev_init(sd, ops); - v4l2_set_subdevdata(sd, cx); - snprintf(sd->name, sizeof(sd->name), "%s %s", cx->v4l2_dev.name, str); - sd->grp_id = hw; - return v4l2_device_register_subdev(&cx->v4l2_dev, sd); -} - -void cx18_reset_ir_gpio(void *data) -{ - struct cx18 *cx = to_cx18((struct v4l2_device *)data); - - if (cx->card->gpio_i2c_slave_reset.ir_reset_mask == 0) - return; - - CX18_DEBUG_INFO("Resetting IR microcontroller\n"); - - v4l2_subdev_call(&cx->sd_resetctrl, - core, reset, CX18_GPIO_RESET_Z8F0811); -} -EXPORT_SYMBOL(cx18_reset_ir_gpio); -/* This symbol is exported for use by lirc_pvr150 for the IR-blaster */ - -/* Xceive tuner reset function */ -int cx18_reset_tuner_gpio(void *dev, int component, int cmd, int value) -{ - struct i2c_algo_bit_data *algo = dev; - struct cx18_i2c_algo_callback_data *cb_data = algo->data; - struct cx18 *cx = cb_data->cx; - - if (cmd != XC2028_TUNER_RESET || - cx->card->tuners[0].tuner != TUNER_XC2028) - return 0; - - CX18_DEBUG_INFO("Resetting XCeive tuner\n"); - return v4l2_subdev_call(&cx->sd_resetctrl, - core, reset, CX18_GPIO_RESET_XC2028); -} -- cgit v1.2.3