diff options
Diffstat (limited to 'drivers/staging/meilhaus/me8254.c')
| -rw-r--r-- | drivers/staging/meilhaus/me8254.c | 1176 |
1 files changed, 0 insertions, 1176 deletions
diff --git a/drivers/staging/meilhaus/me8254.c b/drivers/staging/meilhaus/me8254.c deleted file mode 100644 index d8f742a8ca99..000000000000 --- a/drivers/staging/meilhaus/me8254.c +++ /dev/null @@ -1,1176 +0,0 @@ -/** - * @file me8254.c - * - * @brief 8254 subdevice instance. - * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * @author Guenter Gebhardt - */ - -/* - * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * - * This file 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __KERNEL__ -# define __KERNEL__ -#endif - -/* - * Includes - */ -#include <linux/module.h> - -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/io.h> -#include <linux/types.h> - -#include "medefines.h" -#include "meinternal.h" -#include "meerror.h" - -#include "medebug.h" -#include "me8254_reg.h" -#include "me8254.h" - -/* - * Defines - */ -#define ME8254_NUMBER_CHANNELS 1 /**< One channel per counter. */ -#define ME8254_CTR_WIDTH 16 /**< One counter has 16 bits. */ - -/* - * Functions - */ - -static int me8254_io_reset_subdevice(struct me_subdevice *subdevice, - struct file *filep, int flags) -{ - me8254_subdevice_t *instance; - uint8_t clk_src; - int err = ME_ERRNO_SUCCESS; - - PDEBUG("executed.\n"); - - instance = (me8254_subdevice_t *) subdevice; - - if (flags) { - PERROR("Invalid flag specified.\n"); - return ME_ERRNO_INVALID_FLAGS; - } - - ME_SUBDEVICE_ENTER; - - spin_lock(&instance->subdevice_lock); - spin_lock(instance->ctrl_reg_lock); - if (instance->ctr_idx == 0) - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M0 | - ME8254_CTRL_BIN, instance->ctrl_reg); - else if (instance->ctr_idx == 1) - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M0 | - ME8254_CTRL_BIN, instance->ctrl_reg); - else - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M0 | - ME8254_CTRL_BIN, instance->ctrl_reg); - spin_unlock(instance->ctrl_reg_lock); - - outb(0x00, instance->val_reg); - outb(0x00, instance->val_reg); - - spin_lock(instance->clk_src_reg_lock); - clk_src = inb(instance->clk_src_reg); - - switch (instance->device_id) { - case PCI_DEVICE_ID_MEILHAUS_ME1400: - case PCI_DEVICE_ID_MEILHAUS_ME140A: - case PCI_DEVICE_ID_MEILHAUS_ME140B: - case PCI_DEVICE_ID_MEILHAUS_ME14E0: - case PCI_DEVICE_ID_MEILHAUS_ME14EA: - case PCI_DEVICE_ID_MEILHAUS_ME14EB: - if (instance->me8254_idx == 0) { - if (instance->ctr_idx == 0) - clk_src &= - ~(ME1400AB_8254_A_0_CLK_SRC_10MHZ | - ME1400AB_8254_A_0_CLK_SRC_QUARZ); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400AB_8254_A_1_CLK_SRC_PREV); - else - clk_src &= ~(ME1400AB_8254_A_2_CLK_SRC_PREV); - } else { - if (instance->ctr_idx == 0) - clk_src &= - ~(ME1400AB_8254_B_0_CLK_SRC_10MHZ | - ME1400AB_8254_B_0_CLK_SRC_QUARZ); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400AB_8254_B_1_CLK_SRC_PREV); - else - clk_src &= ~(ME1400AB_8254_B_2_CLK_SRC_PREV); - } - break; - - case PCI_DEVICE_ID_MEILHAUS_ME140C: - case PCI_DEVICE_ID_MEILHAUS_ME140D: - switch (instance->me8254_idx) { - case 0: - case 2: - case 4: - case 6: - case 8: - if (instance->ctr_idx == 0) - clk_src &= ~(ME1400CD_8254_ACE_0_CLK_SRC_MASK); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400CD_8254_ACE_1_CLK_SRC_MASK); - else - clk_src &= ~(ME1400CD_8254_ACE_2_CLK_SRC_MASK); - break; - - default: - if (instance->ctr_idx == 0) - clk_src &= ~(ME1400CD_8254_BD_0_CLK_SRC_MASK); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400CD_8254_BD_1_CLK_SRC_MASK); - else - clk_src &= ~(ME1400CD_8254_BD_2_CLK_SRC_MASK); - break; - } - break; - - case PCI_DEVICE_ID_MEILHAUS_ME4610: - case PCI_DEVICE_ID_MEILHAUS_ME4660: - case PCI_DEVICE_ID_MEILHAUS_ME4660I: - case PCI_DEVICE_ID_MEILHAUS_ME4660S: - case PCI_DEVICE_ID_MEILHAUS_ME4660IS: - case PCI_DEVICE_ID_MEILHAUS_ME4670: - case PCI_DEVICE_ID_MEILHAUS_ME4670I: - case PCI_DEVICE_ID_MEILHAUS_ME4670S: - case PCI_DEVICE_ID_MEILHAUS_ME4670IS: - case PCI_DEVICE_ID_MEILHAUS_ME4680: - case PCI_DEVICE_ID_MEILHAUS_ME4680I: - case PCI_DEVICE_ID_MEILHAUS_ME4680S: - case PCI_DEVICE_ID_MEILHAUS_ME4680IS: - case PCI_DEVICE_ID_MEILHAUS_ME8100_A: - case PCI_DEVICE_ID_MEILHAUS_ME8100_B: - - /* No clock source register available */ - break; - - default: - PERROR("Invalid device type.\n"); - err = ME_ERRNO_INTERNAL; - } - - if (!err) - outb(clk_src, instance->clk_src_reg); - - spin_unlock(instance->clk_src_reg_lock); - spin_unlock(&instance->subdevice_lock); - - ME_SUBDEVICE_EXIT; - - return err; -} - -static int me1400_ab_ref_config(me8254_subdevice_t *instance, int ref) -{ - uint8_t clk_src; - - spin_lock(instance->clk_src_reg_lock); - clk_src = inb(instance->clk_src_reg); - - switch (ref) { - case ME_REF_CTR_EXTERNAL: - if (instance->me8254_idx == 0) { - if (instance->ctr_idx == 0) - clk_src &= ~(ME1400AB_8254_A_0_CLK_SRC_QUARZ); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400AB_8254_A_1_CLK_SRC_PREV); - else - clk_src &= ~(ME1400AB_8254_A_2_CLK_SRC_PREV); - } else { - if (instance->ctr_idx == 0) - clk_src &= ~(ME1400AB_8254_B_0_CLK_SRC_QUARZ); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400AB_8254_B_1_CLK_SRC_PREV); - else - clk_src &= ~(ME1400AB_8254_B_2_CLK_SRC_PREV); - } - - break; - - case ME_REF_CTR_PREVIOUS: - if (instance->me8254_idx == 0) { - if (instance->ctr_idx == 0) { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } else if (instance->ctr_idx == 1) - clk_src |= (ME1400AB_8254_A_1_CLK_SRC_PREV); - else - clk_src |= (ME1400AB_8254_A_2_CLK_SRC_PREV); - } else { - if (instance->ctr_idx == 0) { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } else if (instance->ctr_idx == 1) - clk_src |= (ME1400AB_8254_B_1_CLK_SRC_PREV); - else - clk_src |= (ME1400AB_8254_B_2_CLK_SRC_PREV); - } - - break; - - case ME_REF_CTR_INTERNAL_1MHZ: - if (instance->me8254_idx == 0) { - if (instance->ctr_idx == 0) { - clk_src |= (ME1400AB_8254_A_0_CLK_SRC_QUARZ); - clk_src &= ~(ME1400AB_8254_A_0_CLK_SRC_10MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } else { - if (instance->ctr_idx == 0) { - clk_src |= (ME1400AB_8254_B_0_CLK_SRC_QUARZ); - clk_src &= ~(ME1400AB_8254_B_0_CLK_SRC_10MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } - - break; - - case ME_REF_CTR_INTERNAL_10MHZ: - if (instance->me8254_idx == 0) { - if (instance->ctr_idx == 0) { - clk_src |= (ME1400AB_8254_A_0_CLK_SRC_QUARZ); - clk_src |= (ME1400AB_8254_A_0_CLK_SRC_10MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } else { - if (instance->ctr_idx == 0) { - clk_src |= (ME1400AB_8254_A_0_CLK_SRC_QUARZ); - clk_src |= (ME1400AB_8254_A_0_CLK_SRC_10MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } - - break; - - default: - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - - outb(clk_src, instance->clk_src_reg); - spin_unlock(instance->clk_src_reg_lock); - - return ME_ERRNO_SUCCESS; -} - -static int me1400_cd_ref_config(me8254_subdevice_t *instance, int ref) -{ - uint8_t clk_src; - - spin_lock(instance->clk_src_reg_lock); - clk_src = inb(instance->clk_src_reg); - - switch (ref) { - case ME_REF_CTR_EXTERNAL: - switch (instance->me8254_idx) { - case 0: - case 2: - case 4: - case 6: - case 8: - if (instance->ctr_idx == 0) - clk_src &= ~(ME1400CD_8254_ACE_0_CLK_SRC_MASK); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400CD_8254_ACE_1_CLK_SRC_MASK); - else - clk_src &= ~(ME1400CD_8254_ACE_2_CLK_SRC_MASK); - break; - - default: - if (instance->ctr_idx == 0) - clk_src &= ~(ME1400CD_8254_BD_0_CLK_SRC_MASK); - else if (instance->ctr_idx == 1) - clk_src &= ~(ME1400CD_8254_BD_1_CLK_SRC_MASK); - else - clk_src &= ~(ME1400CD_8254_BD_2_CLK_SRC_MASK); - break; - } - break; - - case ME_REF_CTR_PREVIOUS: - switch (instance->me8254_idx) { - case 0: - case 2: - case 4: - case 6: - case 8: - if (instance->ctr_idx == 0) { - clk_src &= ~(ME1400CD_8254_ACE_0_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_ACE_0_CLK_SRC_PREV); - } else if (instance->ctr_idx == 1) { - clk_src &= ~(ME1400CD_8254_ACE_1_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_ACE_1_CLK_SRC_PREV); - } else { - clk_src &= ~(ME1400CD_8254_ACE_2_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_ACE_2_CLK_SRC_PREV); - } - break; - - default: - if (instance->ctr_idx == 0) { - clk_src &= ~(ME1400CD_8254_BD_0_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_BD_0_CLK_SRC_PREV); - } else if (instance->ctr_idx == 1) { - clk_src &= ~(ME1400CD_8254_BD_1_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_BD_1_CLK_SRC_PREV); - } else { - clk_src &= ~(ME1400CD_8254_BD_2_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_BD_2_CLK_SRC_PREV); - } - break; - } - - break; - - case ME_REF_CTR_INTERNAL_1MHZ: - switch (instance->me8254_idx) { - case 0: - case 2: - case 4: - case 6: - case 8: - if (instance->ctr_idx == 0) { - clk_src &= ~(ME1400CD_8254_ACE_0_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_ACE_0_CLK_SRC_1MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - - break; - - default: - if (instance->ctr_idx == 0) { - clk_src &= ~(ME1400CD_8254_BD_0_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_BD_0_CLK_SRC_1MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - break; - } - - break; - - case ME_REF_CTR_INTERNAL_10MHZ: - switch (instance->me8254_idx) { - case 0: - case 2: - case 4: - case 6: - case 8: - if (instance->ctr_idx == 0) { - clk_src &= ~(ME1400CD_8254_ACE_0_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_ACE_0_CLK_SRC_10MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - break; - - default: - if (instance->ctr_idx == 0) { - clk_src &= ~(ME1400CD_8254_BD_0_CLK_SRC_MASK); - clk_src |= (ME1400CD_8254_BD_0_CLK_SRC_10MHZ); - } else { - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - - break; - } - - break; - - default: - PERROR("Invalid reference.\n"); - spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - - outb(clk_src, instance->clk_src_reg); - spin_unlock(instance->clk_src_reg_lock); - - return ME_ERRNO_SUCCESS; -} - -static int me4600_ref_config(me8254_subdevice_t *instance, int ref) -{ - switch (ref) { - - case ME_REF_CTR_EXTERNAL: - // Nothing to do - break; - - default: - PERROR("Invalid reference.\n"); -// spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - - return ME_ERRNO_SUCCESS; -} - -static int me8100_ref_config(me8254_subdevice_t *instance, int ref) -{ - switch (ref) { - - case ME_REF_CTR_EXTERNAL: - // Nothing to do - break; - - default: - PERROR("Invalid reference.\n"); -// spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_REF; - } - - return ME_ERRNO_SUCCESS; -} - -static int me8254_io_single_config(struct me_subdevice *subdevice, - struct file *filep, - int channel, - int single_config, - int ref, - int trig_chan, - int trig_type, int trig_edge, int flags) -{ - me8254_subdevice_t *instance; - int err; - - PDEBUG("executed.\n"); - - if (channel) { - PERROR("Invalid channel.\n"); - return ME_ERRNO_INVALID_CHANNEL; - } - - instance = (me8254_subdevice_t *) subdevice; - - if (flags) { - PERROR("Invalid flag specified.\n"); - return ME_ERRNO_INVALID_FLAGS; - } - - ME_SUBDEVICE_ENTER; - - spin_lock(&instance->subdevice_lock); - // Configure the counter modes - if (instance->ctr_idx == 0) { - if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_0) { - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M0 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_1) { - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M1 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_2) { - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M2 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_3) { - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M3 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_4) { - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M4 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_5) { - outb(ME8254_CTRL_SC0 | ME8254_CTRL_LM | ME8254_CTRL_M5 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else { - PERROR("Invalid single configuration.\n"); - spin_unlock(&instance->subdevice_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } else if (instance->ctr_idx == 1) { - if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_0) { - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M0 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_1) { - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M1 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_2) { - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M2 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_3) { - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M3 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_4) { - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M4 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_5) { - outb(ME8254_CTRL_SC1 | ME8254_CTRL_LM | ME8254_CTRL_M5 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else { - PERROR("Invalid single configuration.\n"); - spin_unlock(&instance->subdevice_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } else { - if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_0) { - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M0 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_1) { - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M1 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_2) { - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M2 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_3) { - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M3 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_4) { - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M4 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else if (single_config == ME_SINGLE_CONFIG_CTR_8254_MODE_5) { - outb(ME8254_CTRL_SC2 | ME8254_CTRL_LM | ME8254_CTRL_M5 | - ME8254_CTRL_BIN, instance->ctrl_reg); - } else { - PERROR("Invalid single configuration.\n"); - spin_unlock(&instance->subdevice_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - } - - switch (instance->device_id) { - case PCI_DEVICE_ID_MEILHAUS_ME1400: - case PCI_DEVICE_ID_MEILHAUS_ME14E0: - case PCI_DEVICE_ID_MEILHAUS_ME140A: - case PCI_DEVICE_ID_MEILHAUS_ME14EA: - case PCI_DEVICE_ID_MEILHAUS_ME140B: - case PCI_DEVICE_ID_MEILHAUS_ME14EB: - err = me1400_ab_ref_config(instance, ref); - - if (err) { - spin_unlock(&instance->subdevice_lock); - return err; - } - - break; - - case PCI_DEVICE_ID_MEILHAUS_ME140C: - case PCI_DEVICE_ID_MEILHAUS_ME140D: - err = me1400_cd_ref_config(instance, ref); - - if (err) { - spin_unlock(&instance->subdevice_lock); - return err; - } - - break; - - case PCI_DEVICE_ID_MEILHAUS_ME4610: - case PCI_DEVICE_ID_MEILHAUS_ME4660: - case PCI_DEVICE_ID_MEILHAUS_ME4660I: - case PCI_DEVICE_ID_MEILHAUS_ME4660S: - case PCI_DEVICE_ID_MEILHAUS_ME4660IS: - case PCI_DEVICE_ID_MEILHAUS_ME4670: - case PCI_DEVICE_ID_MEILHAUS_ME4670I: - case PCI_DEVICE_ID_MEILHAUS_ME4670S: - case PCI_DEVICE_ID_MEILHAUS_ME4670IS: - case PCI_DEVICE_ID_MEILHAUS_ME4680: - case PCI_DEVICE_ID_MEILHAUS_ME4680I: - case PCI_DEVICE_ID_MEILHAUS_ME4680S: - case PCI_DEVICE_ID_MEILHAUS_ME4680IS: - err = me4600_ref_config(instance, ref); - - if (err) { - spin_unlock(&instance->subdevice_lock); - return err; - } - - break; - - case PCI_DEVICE_ID_MEILHAUS_ME8100_A: - case PCI_DEVICE_ID_MEILHAUS_ME8100_B: - err = me8100_ref_config(instance, ref); - - if (err) { - spin_unlock(&instance->subdevice_lock); - return err; - } - - break; - - default: - PERROR("Invalid device type.\n"); - - spin_unlock(&instance->subdevice_lock); -// spin_unlock(instance->clk_src_reg_lock); - return ME_ERRNO_INVALID_SINGLE_CONFIG; - } - spin_unlock(&instance->subdevice_lock); - - ME_SUBDEVICE_EXIT; - - return ME_ERRNO_SUCCESS; -} - -static int me8254_io_single_read(struct me_subdevice *subdevice, - struct file *filep, - int channel, - int *value, int time_out, int flags) -{ - me8254_subdevice_t *instance; - uint16_t lo_byte; - uint16_t hi_byte; - - PDEBUG("executed.\n"); - - if (channel) { - PERROR("Invalid channel.\n"); - return ME_ERRNO_INVALID_CHANNEL; - } - - instance = (me8254_subdevice_t *) subdevice; - - if (flags) { - PERROR("Invalid flag specified.\n"); - return ME_ERRNO_INVALID_FLAGS; - } - - ME_SUBDEVICE_ENTER; - - spin_lock(&instance->subdevice_lock); - spin_lock(instance->ctrl_reg_lock); - if (instance->ctr_idx == 0) - outb(ME8254_CTRL_SC0 | ME8254_CTRL_TLO, instance->ctrl_reg); - else if (instance->ctr_idx == 1) - outb(ME8254_CTRL_SC1 | ME8254_CTRL_TLO, instance->ctrl_reg); - else - outb(ME8254_CTRL_SC2 | ME8254_CTRL_TLO, instance->ctrl_reg); - - lo_byte = inb(instance->val_reg); - hi_byte = inb(instance->val_reg); - spin_unlock(instance->ctrl_reg_lock); - - *value = lo_byte | (hi_byte << 8); - spin_unlock(&instance->subdevice_lock); - - ME_SUBDEVICE_EXIT; - - return ME_ERRNO_SUCCESS; -} - -static int me8254_io_single_write(struct me_subdevice *subdevice, - struct file *filep, - int channel, - int value, int time_out, int flags) -{ - me8254_subdevice_t *instance; - - PDEBUG("executed.\n"); - - if (channel) { - PERROR("Invalid channel.\n"); - return ME_ERRNO_INVALID_CHANNEL; - } - - instance = (me8254_subdevice_t *) subdevice; - - if (flags) { - PERROR("Invalid flag specified.\n"); - return ME_ERRNO_INVALID_FLAGS; - } - - ME_SUBDEVICE_ENTER; - - spin_lock(&instance->subdevice_lock); - outb(value, instance->val_reg); - outb((value >> 8), instance->val_reg); - spin_unlock(&instance->subdevice_lock); - - ME_SUBDEVICE_EXIT; - - return ME_ERRNO_SUCCESS; -} - -static int me8254_query_number_channels(struct me_subdevice *subdevice, - int *number) -{ - PDEBUG("executed.\n"); - *number = ME8254_NUMBER_CHANNELS; - return ME_ERRNO_SUCCESS; -} - -static int me8254_query_subdevice_type(struct me_subdevice *subdevice, - int *type, int *subtype) -{ - PDEBUG("executed.\n"); - *type = ME_TYPE_CTR; - *subtype = ME_SUBTYPE_CTR_8254; - return ME_ERRNO_SUCCESS; -} - -static int me8254_query_subdevice_caps(struct me_subdevice *subdevice, - int *caps) -{ - me8254_subdevice_t *instance; - PDEBUG("executed.\n"); - instance = (me8254_subdevice_t *) subdevice; - *caps = instance->caps; - return ME_ERRNO_SUCCESS; -} - -static int me8254_query_subdevice_caps_args(struct me_subdevice *subdevice, - int cap, int *args, int count) -{ - PDEBUG("executed.\n"); - - if (count != 1) { - PERROR("Invalid capability argument count.\n"); - return ME_ERRNO_INVALID_CAP_ARG_COUNT; - } - - if (cap == ME_CAP_CTR_WIDTH) { - args[0] = ME8254_CTR_WIDTH; - } else { - PERROR("Invalid capability.\n"); - return ME_ERRNO_INVALID_CAP; - } - - return ME_ERRNO_SUCCESS; -} - -static uint32_t me1400AB_get_val_reg(uint32_t reg_base, unsigned int me8254_idx, - unsigned int ctr_idx) -{ - switch (me8254_idx) { - - case 0: - return (reg_base + ME1400AB_8254_A_0_VAL_REG + ctr_idx); - - default: - return (reg_base + ME1400AB_8254_B_0_VAL_REG + ctr_idx); - } - - return 0; -} - -static uint32_t me1400AB_get_ctrl_reg(uint32_t reg_base, - unsigned int me8254_idx, - unsigned int ctr_idx) -{ - switch (me8254_idx) { - case 0: - return (reg_base + ME1400AB_8254_A_CTRL_REG); - - default: - return (reg_base + ME1400AB_8254_B_CTRL_REG); - } - - return 0; -} - -static uint32_t me1400AB_get_clk_src_reg(uint32_t reg_base, - unsigned int me8254_idx, - unsigned int ctr_idx) -{ - switch (me8254_idx) { - case 0: - return (reg_base + ME1400AB_CLK_SRC_REG); - - default: - return (reg_base + ME1400AB_CLK_SRC_REG); - } - - return 0; -} - -static uint32_t me1400CD_get_val_reg(uint32_t reg_base, unsigned int me8254_idx, - unsigned int ctr_idx) -{ - switch (me8254_idx) { - case 0: - return (reg_base + ME1400C_8254_A_0_VAL_REG + ctr_idx); - - case 1: - return (reg_base + ME1400C_8254_B_0_VAL_REG + ctr_idx); - - case 2: - return (reg_base + ME1400C_8254_C_0_VAL_REG + ctr_idx); - - case 3: - return (reg_base + ME1400C_8254_D_0_VAL_REG + ctr_idx); - - case 4: - return (reg_base + ME1400C_8254_E_0_VAL_REG + ctr_idx); - - case 5: - return (reg_base + ME1400D_8254_A_0_VAL_REG + ctr_idx); - - case 6: - return (reg_base + ME1400D_8254_B_0_VAL_REG + ctr_idx); - - case 7: - return (reg_base + ME1400D_8254_C_0_VAL_REG + ctr_idx); - - case 8: - return (reg_base + ME1400D_8254_D_0_VAL_REG + ctr_idx); - - default: - return (reg_base + ME1400D_8254_E_0_VAL_REG + ctr_idx); - } - - return 0; -} - -static uint32_t me1400CD_get_ctrl_reg(uint32_t reg_base, - unsigned int me8254_idx, - unsigned int ctr_idx) -{ - switch (me8254_idx) { - case 0: - return (reg_base + ME1400C_8254_A_CTRL_REG); - - case 1: - return (reg_base + ME1400C_8254_B_CTRL_REG); - - case 2: - return (reg_base + ME1400C_8254_C_CTRL_REG); - - case 3: - return (reg_base + ME1400C_8254_D_CTRL_REG); - - case 4: - return (reg_base + ME1400C_8254_E_CTRL_REG); - - case 5: - return (reg_base + ME1400D_8254_A_CTRL_REG); - - case 6: - return (reg_base + ME1400D_8254_B_CTRL_REG); - - case 7: - return (reg_base + ME1400D_8254_C_CTRL_REG); - - case 8: - return (reg_base + ME1400D_8254_D_CTRL_REG); - - default: - return (reg_base + ME1400D_8254_E_CTRL_REG); - } - - return 0; -} - -static uint32_t me1400CD_get_clk_src_reg(uint32_t reg_base, - unsigned int me8254_idx, - unsigned int ctr_idx) -{ - switch (me8254_idx) { - case 0: - return (reg_base + ME1400C_CLK_SRC_0_REG); - - case 1: - return (reg_base + ME1400C_CLK_SRC_0_REG); - - case 2: - return (reg_base + ME1400C_CLK_SRC_1_REG); - - case 3: - return (reg_base + ME1400C_CLK_SRC_1_REG); - - case 4: - return (reg_base + ME1400C_CLK_SRC_2_REG); - - case 5: - return (reg_base + ME1400D_CLK_SRC_0_REG); - - case 6: - return (reg_base + ME1400D_CLK_SRC_0_REG); - - case 7: - return (reg_base + ME1400D_CLK_SRC_1_REG); - - case 8: - return (reg_base + ME1400D_CLK_SRC_1_REG); - - default: - return (reg_base + ME1400D_CLK_SRC_2_REG); - } - - return 0; -} - -static uint32_t me4600_get_val_reg(uint32_t reg_base, unsigned int me8254_idx, - unsigned int ctr_idx) -{ - return (reg_base + ME4600_8254_0_VAL_REG + ctr_idx); -} - -static uint32_t me4600_get_ctrl_reg(uint32_t reg_base, unsigned int me8254_idx, - unsigned int ctr_idx) -{ - return (reg_base + ME4600_8254_CTRL_REG); -} - -static uint32_t me8100_get_val_reg(uint32_t reg_base, unsigned int me8254_idx, - unsigned int ctr_idx) -{ - return (reg_base + ME8100_COUNTER_REG_0 + ctr_idx * 2); -} - -static uint32_t me8100_get_ctrl_reg(uint32_t reg_base, unsigned int me8254_idx, - unsigned int ctr_idx) -{ - return (reg_base + ME8100_COUNTER_CTRL_REG); -} - -me8254_subdevice_t *me8254_constructor(uint32_t device_id, - uint32_t reg_base, - unsigned int me8254_idx, - unsigned int ctr_idx, - spinlock_t *ctrl_reg_lock, - spinlock_t *clk_src_reg_lock) -{ - me8254_subdevice_t *subdevice; - int err; - - PDEBUG("executed.\n"); - - // Allocate memory for subdevice instance - subdevice = kmalloc(sizeof(me8254_subdevice_t), GFP_KERNEL); - - if (!subdevice) { - PERROR("Cannot get memory for 8254 instance.\n"); - return NULL; - } - - memset(subdevice, 0, sizeof(me8254_subdevice_t)); - - // Check if counter index is out of range - - if (ctr_idx > 2) { - PERROR("Counter index is out of range.\n"); - kfree(subdevice); - return NULL; - } - // Initialize subdevice base class - err = me_subdevice_init(&subdevice->base); - - if (err) { - PERROR("Cannot initialize subdevice base class instance.\n"); - kfree(subdevice); - return NULL; - } - // Initialize spin locks. - spin_lock_init(&subdevice->subdevice_lock); - subdevice->ctrl_reg_lock = ctrl_reg_lock; - subdevice->clk_src_reg_lock = clk_src_reg_lock; - - // Save type of Meilhaus device - subdevice->device_id = device_id; - - // Save the indices - subdevice->me8254_idx = me8254_idx; - subdevice->ctr_idx = ctr_idx; - - // Do device specific initialization - switch (device_id) { - - case PCI_DEVICE_ID_MEILHAUS_ME140A: - case PCI_DEVICE_ID_MEILHAUS_ME14EA: - // Check if 8254 index is out of range - if (me8254_idx > 0) { - PERROR("8254 index is out of range.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - - case PCI_DEVICE_ID_MEILHAUS_ME140B: // Fall through - case PCI_DEVICE_ID_MEILHAUS_ME14EB: - // Check if 8254 index is out of range - if (me8254_idx > 1) { - PERROR("8254 index is out of range.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - // Initialize the counters capabilities - if (ctr_idx == 0) - subdevice->caps = - ME_CAPS_CTR_CLK_INTERNAL_1MHZ | - ME_CAPS_CTR_CLK_INTERNAL_10MHZ | - ME_CAPS_CTR_CLK_EXTERNAL; - else - subdevice->caps = - ME_CAPS_CTR_CLK_PREVIOUS | ME_CAPS_CTR_CLK_EXTERNAL; - - // Get the counters registers - subdevice->val_reg = - me1400AB_get_val_reg(reg_base, me8254_idx, ctr_idx); - subdevice->ctrl_reg = - me1400AB_get_ctrl_reg(reg_base, me8254_idx, ctr_idx); - subdevice->clk_src_reg = - me1400AB_get_clk_src_reg(reg_base, me8254_idx, ctr_idx); - break; - - case PCI_DEVICE_ID_MEILHAUS_ME140C: - // Check if 8254 index is out of range - if (me8254_idx > 4) { - PERROR("8254 index is out of range.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - - case PCI_DEVICE_ID_MEILHAUS_ME140D: - // Check if 8254 index is out of range - if (me8254_idx > 9) { - PERROR("8254 index is out of range.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - // Initialize the counters capabilities - if (ctr_idx == 0) { - if (me8254_idx == 0) - subdevice->caps = - ME_CAPS_CTR_CLK_PREVIOUS | - ME_CAPS_CTR_CLK_INTERNAL_1MHZ | - ME_CAPS_CTR_CLK_INTERNAL_10MHZ | - ME_CAPS_CTR_CLK_EXTERNAL; - else - subdevice->caps = - ME_CAPS_CTR_CLK_INTERNAL_1MHZ | - ME_CAPS_CTR_CLK_INTERNAL_10MHZ | - ME_CAPS_CTR_CLK_EXTERNAL; - } else - subdevice->caps = - ME_CAPS_CTR_CLK_PREVIOUS | ME_CAPS_CTR_CLK_EXTERNAL; - - // Get the counters registers - subdevice->val_reg = - me1400CD_get_val_reg(reg_base, me8254_idx, ctr_idx); - subdevice->ctrl_reg = - me1400CD_get_ctrl_reg(reg_base, me8254_idx, ctr_idx); - subdevice->clk_src_reg = - me1400CD_get_clk_src_reg(reg_base, me8254_idx, ctr_idx); - break; - - case PCI_DEVICE_ID_MEILHAUS_ME4610: - case PCI_DEVICE_ID_MEILHAUS_ME4660: - case PCI_DEVICE_ID_MEILHAUS_ME4660I: - case PCI_DEVICE_ID_MEILHAUS_ME4660S: - case PCI_DEVICE_ID_MEILHAUS_ME4660IS: - case PCI_DEVICE_ID_MEILHAUS_ME4670: - case PCI_DEVICE_ID_MEILHAUS_ME4670I: - case PCI_DEVICE_ID_MEILHAUS_ME4670S: - case PCI_DEVICE_ID_MEILHAUS_ME4670IS: - case PCI_DEVICE_ID_MEILHAUS_ME4680: - case PCI_DEVICE_ID_MEILHAUS_ME4680I: - case PCI_DEVICE_ID_MEILHAUS_ME4680S: - case PCI_DEVICE_ID_MEILHAUS_ME4680IS: - // Check if 8254 index is out of range - if (me8254_idx > 0) { - PERROR("8254 index is out of range.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - // Initialize the counters capabilities - subdevice->caps = ME_CAPS_CTR_CLK_EXTERNAL; - - // Get the counters registers - subdevice->val_reg = - me4600_get_val_reg(reg_base, me8254_idx, ctr_idx); - subdevice->ctrl_reg = - me4600_get_ctrl_reg(reg_base, me8254_idx, ctr_idx); - subdevice->clk_src_reg = 0; // Not used - break; - - case PCI_DEVICE_ID_MEILHAUS_ME8100_A: - case PCI_DEVICE_ID_MEILHAUS_ME8100_B: - // Check if 8254 index is out of range - if (me8254_idx > 0) { - PERROR("8254 index is out of range.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - // Initialize the counters capabilities - subdevice->caps = ME_CAPS_CTR_CLK_EXTERNAL; - - // Get the counters registers - subdevice->val_reg = - me8100_get_val_reg(reg_base, me8254_idx, ctr_idx); - subdevice->ctrl_reg = - me8100_get_ctrl_reg(reg_base, me8254_idx, ctr_idx); - subdevice->clk_src_reg = 0; // Not used - break; - - case PCI_DEVICE_ID_MEILHAUS_ME4650: - case PCI_DEVICE_ID_MEILHAUS_ME1400: - case PCI_DEVICE_ID_MEILHAUS_ME14E0: - PERROR("No 8254 subdevices available for subdevice device.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - - default: - PERROR("Unknown device type.\n"); - me_subdevice_deinit(&subdevice->base); - kfree(subdevice); - return NULL; - } - - // Overload subdevice base class methods. - subdevice->base.me_subdevice_io_reset_subdevice = - me8254_io_reset_subdevice; - subdevice->base.me_subdevice_io_single_config = me8254_io_single_config; - subdevice->base.me_subdevice_io_single_read = me8254_io_single_read; - subdevice->base.me_subdevice_io_single_write = me8254_io_single_write; - subdevice->base.me_subdevice_query_number_channels = - me8254_query_number_channels; - subdevice->base.me_subdevice_query_subdevice_type = - me8254_query_subdevice_type; - subdevice->base.me_subdevice_query_subdevice_caps = - me8254_query_subdevice_caps; - subdevice->base.me_subdevice_query_subdevice_caps_args = - me8254_query_subdevice_caps_args; - - return subdevice; -} |