diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7500av.c')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7500av.c | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7500av.c b/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7500av.c deleted file mode 100644 index 7cd25fcd39..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7500av.c +++ /dev/null @@ -1,273 +0,0 @@ -/* - * arch/ubicom32/mach-ip7k/board-ip7500av.c - * Support for IP7500 Audio Video Board + CPU module board. - * - * This file supports the IP7500 Audio Video Board: - * 8007-0810 Rev 1.0 - * with one of the following CPU module boards: - * 8007-0510 Rev 1.0 - * 8007-0510A Rev 1.0 (with ethernet) - * - * DIP Switch SW2 configuration: (*) default - * POS 1: on(*) = PCI enabled, off = PCI disabled - * POS 2: on(*) = TTYX => PA6, off = TTYX => PF12 - * POS 3: on(*) = TTYY => PA7, off = TTYY => PF15 - * POS 4: unused - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - */ - -#include <linux/platform_device.h> -#include <linux/device.h> -#include <linux/gpio.h> -#include <linux/i2c.h> -#include <linux/i2c-gpio.h> -#include <linux/delay.h> -#include <asm/board.h> -#include <asm/machdep.h> -#include <asm/ring_tio.h> -#include <asm/vdc_tio.h> -#include <asm/audio.h> -#include <asm/ubi32-pcm.h> -#include <asm/ubi32-cs4384.h> - -/****************************************************************************** - * Devices on the I2C bus - * - * BEWARE of changing the order of things in this array as we depend on - * certain things to be in certain places. - */ -static struct i2c_board_info __initdata ip7500av_i2c_board_info[] = { - /* - * U6, CS4384 DAC, address 0x19 - */ - { - .type = "cs4384", - .addr = 0x19, - }, -}; - -/* - * I2C bus on the board, SDA PD1, SCL PD2 - */ -static struct i2c_gpio_platform_data ip7500av_i2c_data = { - .sda_pin = GPIO_RD_6, - .scl_pin = GPIO_RD_3, - .sda_is_open_drain = 0, - .scl_is_open_drain = 0, - .udelay = 50, -}; - -static struct platform_device ip7500av_i2c_device = { - .name = "i2c-gpio", - .id = 0, - .dev = { - .platform_data = &ip7500av_i2c_data, - }, -}; - -/* - * List of possible mclks we can generate. This depends on the CPU frequency. - */ -static struct ubi32_cs4384_mclk_entry ip7500av_cs4384_mclk_entries[] = { - { - .rate = 12288000, - .div = 44, - }, - { - .rate = 11289600, - .div = 48, - }, -}; - -/* - * List of all devices in our system - */ -static struct platform_device *ip7500av_devices[] __initdata = { - &ip7500av_i2c_device, -}; - -/* - * ip7500av_vdac_write - */ -static int __init ip7500av_vdac_write(int reg, int val) -{ - struct i2c_adapter *adap; - struct i2c_msg msg[1]; - unsigned char data[2]; - int err; - - adap = i2c_get_adapter(0); - if (!adap) { - printk(KERN_WARNING "%s: failed to get i2c adapter\n", __FUNCTION__); - return -ENODEV; - } - msg->addr = 0x2B; - msg->flags = 0; - msg->len = 2; - msg->buf = data; - data[0] = reg; - data[1] = val; - err = i2c_transfer(adap, msg, 1); - i2c_put_adapter(adap); - if (err >= 0) { - return 0; - } - return err; -} - -/* - * ip7500av_vdac_init - * Initializes the video DAC via I2C - * - * Equivalent mode line: 720x480p = 27 Mhz, 720 736 800 858 480 484 492 525 - */ -static int __init ip7500av_vdac_init(void) -{ - int err; - - printk(KERN_INFO "Initializing ADV7393 DAC\n"); - - /* - * Reset the VDAC - */ - if (gpio_request(GPIO_RF_6, "VDAC Reset")) { - printk(KERN_WARNING "%s: failed to allocate VDAC Reset\n", __FUNCTION__); - return -EBUSY; - } - gpio_direction_output(GPIO_RF_6, 0); - udelay(1); - gpio_set_value(GPIO_RF_6, 1); - - /* - * See table 100 of ADV7393 data sheet: 16-bit 525p YCrCb In, YPbPr Out - */ - err = ip7500av_vdac_write(0x17, 0x02); - if (err) { - printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__); - return err; - } - err = ip7500av_vdac_write(0x00, 0x1c); - if (err) { - printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__); - return err; - } - err = ip7500av_vdac_write(0x01, 0x10); - if (err) { - printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__); - return err; - } - err = ip7500av_vdac_write(0x31, 0x01); - if (err) { - printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__); - return err; - } -#ifdef IP7500AV_VDAC_SWAP_PBPR - err = ip7500av_vdac_write(0x35, 0x08); - if (err) { - printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__); - return err; - } -#endif -#ifdef IP7500AV_VDAC_FULL_RANGE - err = ip7500av_vdac_write(0x30, 0x02); - if (err) { - printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__); - return err; - } -#endif - return 0; -} -late_initcall(ip7500av_vdac_init); - -/* - * ip7500av_init - * Called to add the devices which we have on this board - */ -static int __init ip7500av_init(void) -{ - struct platform_device *audio_dev; - struct platform_device *audio_dev2; - struct ubi32_cs4384_platform_data *cs4384_pd; - - board_init(); - - ubi_gpio_init(); - - vdc_tio_init(); - - printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__); - platform_add_devices(ip7500av_devices, ARRAY_SIZE(ip7500av_devices)); - - /* - * CS4384 DAC - */ - audio_dev = audio_device_alloc("snd-ubi32-cs4384", "audio", "audio-i2sout", - sizeof(struct ubi32_cs4384_platform_data)); - if (audio_dev) { - /* - * Attempt to figure out a good divisor. This will only work - * assuming the core frequency is compatible. - */ - int i; - unsigned int freq = processor_frequency(); - for (i = 0; i < ARRAY_SIZE(ip7500av_cs4384_mclk_entries); i++) { - unsigned int div; - unsigned int rate = ip7500av_cs4384_mclk_entries[i].rate / 1000; - div = ((freq / rate) + 500) / 1000; - ip7500av_cs4384_mclk_entries[i].div = div; - printk("CS4384 mclk %d rate %u000Hz div %u act %u\n", i, rate, div, freq / div); - } - - cs4384_pd = audio_device_priv(audio_dev); - cs4384_pd->mclk_src = UBI32_CS4384_MCLK_PWM_0; - cs4384_pd->n_mclk = ARRAY_SIZE(ip7500av_cs4384_mclk_entries); - cs4384_pd->mclk_entries = ip7500av_cs4384_mclk_entries; - ip7500av_i2c_board_info[0].platform_data = audio_dev; - - /* - * Reset the DAC - */ - if (gpio_request(GPIO_RF_4, "DAC Reset") == 0) { - gpio_direction_output(GPIO_RF_4, 0); - udelay(1); - gpio_direction_output(GPIO_RF_4, 1); - } else { - printk("Unable to request DAC reset GPIO\n"); - } - } - - /* - * SPDIF port - */ - audio_dev2 = audio_device_alloc("snd-ubi32-generic", "audio", "audio-spdifout", 0); - if (audio_dev2) { - platform_device_register(audio_dev2); - } - - /* - * Register all of the devices which sit on the I2C bus - */ - printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__); - i2c_register_board_info(0, ip7500av_i2c_board_info, ARRAY_SIZE(ip7500av_i2c_board_info)); - - printk(KERN_INFO "IP7500 Audio/Video Board\n"); - return 0; -} -arch_initcall(ip7500av_init); |