Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755059Ab0GLVXX (ORCPT ); Mon, 12 Jul 2010 17:23:23 -0400 Received: from ns1.cypress.com ([157.95.67.4]:38074 "EHLO ns1.cypress.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754570Ab0GLVXV (ORCPT ); Mon, 12 Jul 2010 17:23:21 -0400 X-Greylist: delayed 1399 seconds by postgrey-1.27 at vger.kernel.org; Mon, 12 Jul 2010 17:23:20 EDT From: Kevin McNeely To: Dmitry Torokhov Cc: David Brown , Trilok Soni , Fred , Kevin McNeely , Dmitry Torokhov , Samuel Ortiz , Eric Miao , Mark Brown , Simtec Linux Team , Arnaud Patard , Antonio Ospite , Henrik Rydberg , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] i2c: cyttsp i2c touchscreen driver init submit Date: Mon, 12 Jul 2010 13:56:49 -0700 Message-Id: <1278968210-6827-1-git-send-email-kev@cypress.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: References: X-Brightmail-Tracker: AAAAAA== MIME-Version: 1.0 X-MailScanner: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 79901 Lines: 2740 From: Fred This is a new touchscreen driver for the Cypress Semiconductor cyttsp family of devices. This driver is for the i2c version of cyttsp parts. Signed-off-by: Kevin McNeely --- drivers/input/touchscreen/Kconfig | 13 + drivers/input/touchscreen/Makefile | 1 + drivers/input/touchscreen/cyttsp-i2c.c | 2016 ++++++++++++++++++++++++++++++++ include/linux/cyttsp.h | 649 ++++++++++ 4 files changed, 2679 insertions(+), 0 deletions(-) create mode 100644 drivers/input/touchscreen/cyttsp-i2c.c create mode 100644 include/linux/cyttsp.h diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 3b9d5e2..a7a69a0 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -603,4 +603,17 @@ config TOUCHSCREEN_TPS6507X To compile this driver as a module, choose M here: the module will be called tps6507x_ts. +config TOUCHSCREEN_CYTTSP_I2C + default n + tristate "Cypress TTSP i2c touchscreen" + depends on I2C + help + Say Y here if you have a Cypress TTSP touchscreen + connected to your system's i2c bus. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called cyttsp_i2c. + endif diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 497964a..2026cb8 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -47,3 +47,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o obj-$(CONFIG_TOUCHSCREEN_TPS6507X) += tps6507x-ts.o +obj-$(CONFIG_TOUCHSCREEN_CYTTSP_I2C) += cyttsp-i2c.o diff --git a/drivers/input/touchscreen/cyttsp-i2c.c b/drivers/input/touchscreen/cyttsp-i2c.c new file mode 100644 index 0000000..8397aa1 --- /dev/null +++ b/drivers/input/touchscreen/cyttsp-i2c.c @@ -0,0 +1,2016 @@ +/* Source for: + * Cypress TrueTouch(TM) Standard Product I2C touchscreen driver. + * drivers/input/touchscreen/cyttsp-i2c.c + * + * Copyright (C) 2009, 2010 Cypress Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2, and only version 2, as published by the + * Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Cypress reserves the right to make changes without further notice + * to the materials described herein. Cypress does not assume any + * liability arising out of the application described herein. + * + * Contact Cypress Semiconductor at www.cypress.com + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef CONFIG_HAS_EARLYSUSPEND +#include +#endif /* CONFIG_HAS_EARLYSUSPEND */ + +#define CY_DECLARE_GLOBALS + +#include + +uint32_t cyttsp_tsdebug1 = 0xff; +module_param_named(tsdebug1, cyttsp_tsdebug1, uint, 0664); + +/* CY TTSP I2C Driver private data */ +struct cyttsp { + struct i2c_client *client; + struct input_dev *input; + struct work_struct work; + struct timer_list timer; + struct mutex mutex; + char phys[32]; + struct cyttsp_platform_data *platform_data; + u8 num_prv_st_tch; + u16 act_trk[CY_NUM_TRK_ID]; + u16 prv_st_tch[CY_NUM_ST_TCH_ID]; + u16 prv_mt_tch[CY_NUM_MT_TCH_ID]; + u16 prv_mt_pos[CY_NUM_TRK_ID][2]; + atomic_t irq_enabled; +#ifdef CONFIG_HAS_EARLYSUSPEND + struct early_suspend early_suspend; +#endif /* CONFIG_HAS_EARLYSUSPEND */ +}; +static u8 irq_cnt; /* comparison counter with register valuw */ +static u32 irq_cnt_total; /* total interrupts */ +static u32 irq_err_cnt; /* count number of touch interrupts with err */ +#define CY_IRQ_CNT_MASK 0x000000FF /* mapped for sizeof count in reg */ +#define CY_IRQ_CNT_REG 0x00 /* tt_undef[0]=reg 0x1B - Gen3 only */ + +#ifdef CONFIG_HAS_EARLYSUSPEND +static void cyttsp_early_suspend(struct early_suspend *handler); +static void cyttsp_late_resume(struct early_suspend *handler); +#endif /* CONFIG_HAS_EARLYSUSPEND */ + +static struct workqueue_struct *cyttsp_ts_wq; + + +/* **************************************************************************** + * Prototypes for static functions + * ************************************************************************** */ +static void cyttsp_xy_worker(struct work_struct *work); +static irqreturn_t cyttsp_irq(int irq, void *handle); +static int cyttsp_inlist(u16 prev_track[], + u8 cur_trk_id, u8 *prev_loc, u8 num_touches); +static int cyttsp_next_avail_inlist(u16 cur_trk[], + u8 *new_loc, u8 num_touches); +static int cyttsp_putbl(struct cyttsp *ts, int show, + int show_status, int show_version, int show_cid); +static int __devinit cyttsp_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int __devexit cyttsp_remove(struct i2c_client *client); +static int cyttsp_resume(struct i2c_client *client); +static int cyttsp_suspend(struct i2c_client *client, pm_message_t message); + +/* Static variables */ +static struct cyttsp_gen3_xydata_t g_xy_data; +static struct cyttsp_bootloader_data_t g_bl_data; +static struct cyttsp_sysinfo_data_t g_sysinfo_data; +static const struct i2c_device_id cyttsp_id[] = { + { CY_I2C_NAME, 0 }, { } +}; +static u8 bl_cmd[] = { + CY_BL_FILE0, CY_BL_CMD, CY_BL_EXIT, + CY_BL_KEY0, CY_BL_KEY1, CY_BL_KEY2, + CY_BL_KEY3, CY_BL_KEY4, CY_BL_KEY5, + CY_BL_KEY6, CY_BL_KEY7}; + +MODULE_DEVICE_TABLE(i2c, cyttsp_id); + +static struct i2c_driver cyttsp_driver = { + .driver = { + .name = CY_I2C_NAME, + .owner = THIS_MODULE, + }, + .probe = cyttsp_probe, + .remove = __devexit_p(cyttsp_remove), + .suspend = cyttsp_suspend, + .resume = cyttsp_resume, + .id_table = cyttsp_id, +}; + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard touchscreen driver"); +MODULE_AUTHOR("Cypress"); + +static ssize_t cyttsp_irq_status(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = container_of(dev, struct i2c_client, dev); + struct cyttsp *ts = i2c_get_clientdata(client); + return sprintf(buf, "%u\n", atomic_read(&ts->irq_enabled)); +} + +static ssize_t cyttsp_irq_enable(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + struct i2c_client *client = container_of(dev, struct i2c_client, dev); + struct cyttsp *ts = i2c_get_clientdata(client); + int err = 0; + unsigned long value; + + if (size > 2) + return -EINVAL; + + err = strict_strtoul(buf, 10, &value); + if (err != 0) + return err; + + switch (value) { + case 0: + if (atomic_cmpxchg(&ts->irq_enabled, 1, 0)) { + pr_info("touch irq disabled!\n"); + disable_irq_nosync(ts->client->irq); + } + err = size; + break; + case 1: + if (!atomic_cmpxchg(&ts->irq_enabled, 0, 1)) { + pr_info("touch irq enabled!\n"); + enable_irq(ts->client->irq); + } + err = size; + break; + default: + pr_info("cyttsp_irq_enable failed -> irq_enabled = %d\n", + atomic_read(&ts->irq_enabled)); + err = -EINVAL; + break; + } + + return err; +} + +static DEVICE_ATTR(irq_enable, 0777, cyttsp_irq_status, cyttsp_irq_enable); + +/* The cyttsp_xy_worker function reads the XY coordinates and sends them to + * the input layer. It is scheduled from the interrupt (or timer). + */ +void cyttsp_xy_worker(struct work_struct *work) +{ + struct cyttsp *ts = container_of(work, struct cyttsp, work); + u8 id, tilt, rev_x, rev_y; + u8 i, loc; + u8 prv_tch; /* number of previous touches */ + u8 cur_tch; /* number of current touches */ + u16 tmp_trk[CY_NUM_MT_TCH_ID]; + u16 snd_trk[CY_NUM_MT_TCH_ID]; + u16 cur_trk[CY_NUM_TRK_ID]; + u16 cur_st_tch[CY_NUM_ST_TCH_ID]; + u16 cur_mt_tch[CY_NUM_MT_TCH_ID]; + /* if NOT CY_USE_TRACKING_ID then + * only uses CY_NUM_MT_TCH_ID positions */ + u16 cur_mt_pos[CY_NUM_TRK_ID][2]; + /* if NOT CY_USE_TRACKING_ID then + * only uses CY_NUM_MT_TCH_ID positions */ + u8 cur_mt_z[CY_NUM_TRK_ID]; + u8 curr_tool_width; + u16 st_x1, st_y1; + u8 st_z1; + u16 st_x2, st_y2; + u8 st_z2; + s32 retval; + + cyttsp_xdebug("TTSP worker start 1:\n"); + + /* get event data from CYTTSP device */ + i = CY_NUM_RETRY; + do { + retval = i2c_smbus_read_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(struct cyttsp_gen3_xydata_t), (u8 *)&g_xy_data); + } while ((retval < CY_OK) && --i); + + if (retval < CY_OK) { + /* return immediately on + * failure to read device on the i2c bus */ + goto exit_xy_worker; + } + + cyttsp_xdebug("TTSP worker start 2:\n"); + + /* compare own irq counter with the device irq counter */ + if (ts->client->irq) { + u8 host_reg; + u8 cur_cnt; + if (ts->platform_data->use_hndshk) { + + host_reg = g_xy_data.hst_mode & CY_HNDSHK_BIT ? + g_xy_data.hst_mode & ~CY_HNDSHK_BIT : + g_xy_data.hst_mode | CY_HNDSHK_BIT; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, sizeof(host_reg), &host_reg); + } + cur_cnt = g_xy_data.tt_undef[CY_IRQ_CNT_REG]; + irq_cnt_total++; + irq_cnt++; + if (irq_cnt != cur_cnt) { + irq_err_cnt++; + cyttsp_debug("i_c_ER: dv=%d fw=%d hm=%02X t=%lu te=%lu\n", \ + irq_cnt, \ + cur_cnt, g_xy_data.hst_mode, \ + (unsigned long)irq_cnt_total, \ + (unsigned long)irq_err_cnt); + } else { + cyttsp_debug("i_c_ok: dv=%d fw=%d hm=%02X t=%lu te=%lu\n", \ + irq_cnt, \ + cur_cnt, g_xy_data.hst_mode, \ + (unsigned long)irq_cnt_total, \ + (unsigned long)irq_err_cnt); + } + irq_cnt = cur_cnt; + } + + /* Get the current num touches and return if there are no touches */ + if ((GET_BOOTLOADERMODE(g_xy_data.tt_mode) == 1) || + (GET_HSTMODE(g_xy_data.hst_mode) != CY_OK)) { + u8 host_reg, tries; + /* the TTSP device has suffered spurious reset or mode switch */ + cyttsp_debug( \ + "Spurious err opmode (tt_mode=%02X hst_mode=%02X)\n", \ + g_xy_data.tt_mode, g_xy_data.hst_mode); + cyttsp_debug("Reset TTSP Device; Terminating active tracks\n"); + /* terminate all active tracks */ + cur_tch = CY_NTCH; + /* reset TTSP part and take it back out of Bootloader mode */ + host_reg = CY_SOFT_RESET_MODE; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(host_reg), &host_reg); + tries = 0; + do { + mdelay(1000); + + /* set arg2 to non-0 to activate */ + retval = cyttsp_putbl(ts, 1, false, false, false); + } while (!(retval < CY_OK) && + !GET_BOOTLOADERMODE(g_bl_data.bl_status) && + !(g_bl_data.bl_file == + CY_OP_MODE + CY_LOW_PWR_MODE) && + tries++ < 10); + /* switch back to operational mode */ + if (GET_BOOTLOADERMODE(g_bl_data.bl_status)) { + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(bl_cmd), bl_cmd); + tries = 0; + do { + mdelay(1000); + cyttsp_putbl(ts, 1, false, false, false); + } while (GET_BOOTLOADERMODE(g_bl_data.bl_status) && + tries++ < 10); + } + if (!(retval < CY_OK)) { + host_reg = CY_OP_MODE + /* + CY_LOW_PWR_MODE */; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(host_reg), &host_reg); + /* wait for TTSP Device to complete switch to Op mode */ + mdelay(1000); + } + goto exit_xy_worker; + } else { + cur_tch = GET_NUM_TOUCHES(g_xy_data.tt_stat); + if (IS_LARGE_AREA(g_xy_data.tt_stat)) { + /* terminate all active tracks */ + cur_tch = CY_NTCH; + cyttsp_debug("Large obj detect (tt_stat=0x%02X). Terminate act trks\n", \ + g_xy_data.tt_stat); + } else if (cur_tch > CY_NUM_MT_TCH_ID) { + /* if the number of fingers on the touch surface + * is more than the maximum then + * there will be no new track information + * even for the original touches. + * Therefore, terminate all active tracks. + */ + cur_tch = CY_NTCH; + cyttsp_debug("Num touch err (tt_stat=0x%02X). Terminate act trks\n", \ + g_xy_data.tt_stat); + } + } + + /* set tool size */ + curr_tool_width = CY_SMALL_TOOL_WIDTH; + + /* translate Gen2 interface data into comparable Gen3 data */ + if (ts->platform_data->gen == CY_GEN2) { + struct cyttsp_gen2_xydata_t *pxy_gen2_data; + pxy_gen2_data = (struct cyttsp_gen2_xydata_t *)(&g_xy_data); + + /* use test data? */ + cyttsp_testdat(&g_xy_data, &tt_gen2_testray, \ + sizeof(struct cyttsp_gen3_xydata_t)); + + if (pxy_gen2_data->evnt_idx == CY_GEN2_NOTOUCH) { + cur_tch = 0; + } else if (cur_tch == CY_GEN2_GHOST) { + cur_tch = 0; + } else if (cur_tch == CY_GEN2_2TOUCH) { + /* stuff artificial track ID1 and ID2 */ + g_xy_data.touch12_id = 0x12; + g_xy_data.z1 = CY_MAXZ; + g_xy_data.z2 = CY_MAXZ; + cur_tch--; /* 2 touches */ + } else if (cur_tch == CY_GEN2_1TOUCH) { + /* stuff artificial track ID1 and ID2 */ + g_xy_data.touch12_id = 0x12; + g_xy_data.z1 = CY_MAXZ; + g_xy_data.z2 = CY_NTCH; + if (pxy_gen2_data->evnt_idx == CY_GEN2_TOUCH2) { + /* push touch 2 data into touch1 + * (first finger up; second finger down) */ + /* stuff artificial track ID1 for touch2 info */ + g_xy_data.touch12_id = 0x20; + /* stuff touch 1 with touch 2 coordinate data */ + g_xy_data.x1 = g_xy_data.x2; + g_xy_data.y1 = g_xy_data.y2; + } + } else { + cur_tch = 0; + } + } else { + /* use test data? */ + cyttsp_testdat(&g_xy_data, &tt_gen3_testray, \ + sizeof(struct cyttsp_gen3_xydata_t)); + } + + + + /* clear current active track ID array and count previous touches */ + for (id = 0, prv_tch = CY_NTCH; + id < CY_NUM_TRK_ID; id++) { + cur_trk[id] = CY_NTCH; + prv_tch += ts->act_trk[id]; + } + + /* send no events if no previous touches and no new touches */ + if ((prv_tch == CY_NTCH) && + ((cur_tch == CY_NTCH) || + (cur_tch > CY_NUM_MT_TCH_ID))) { + goto exit_xy_worker; + } + + cyttsp_debug("prev=%d curr=%d\n", prv_tch, cur_tch); + + for (id = 0; id < CY_NUM_ST_TCH_ID; id++) { + /* clear current single touches array */ + cur_st_tch[id] = CY_IGNR_TCH; + } + + /* clear single touch positions */ + st_x1 = CY_NTCH; + st_y1 = CY_NTCH; + st_z1 = CY_NTCH; + st_x2 = CY_NTCH; + st_y2 = CY_NTCH; + st_z2 = CY_NTCH; + + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + /* clear current multi-touches array and + * multi-touch positions/z */ + cur_mt_tch[id] = CY_IGNR_TCH; + } + + if (ts->platform_data->use_trk_id) { + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + cur_mt_pos[id][CY_XPOS] = 0; + cur_mt_pos[id][CY_YPOS] = 0; + cur_mt_z[id] = 0; + } + } else { + for (id = 0; id < CY_NUM_TRK_ID; id++) { + cur_mt_pos[id][CY_XPOS] = 0; + cur_mt_pos[id][CY_YPOS] = 0; + cur_mt_z[id] = 0; + } + } + + /* Determine if display is tilted */ + if (FLIP_DATA(ts->platform_data->flags)) + tilt = true; + else + tilt = false; + + /* Check for switch in origin */ + if (REVERSE_X(ts->platform_data->flags)) + rev_x = true; + else + rev_x = false; + + if (REVERSE_Y(ts->platform_data->flags)) + rev_y = true; + else + rev_y = false; + + if (cur_tch) { + struct cyttsp_gen2_xydata_t *pxy_gen2_data; + struct cyttsp_gen3_xydata_t *pxy_gen3_data; + switch (ts->platform_data->gen) { + case CY_GEN2: { + pxy_gen2_data = + (struct cyttsp_gen2_xydata_t *)(&g_xy_data); + cyttsp_xdebug("TTSP Gen2 report:\n"); + cyttsp_xdebug("%02X %02X %02X\n", \ + pxy_gen2_data->hst_mode, \ + pxy_gen2_data->tt_mode, \ + pxy_gen2_data->tt_stat); + cyttsp_xdebug("%04X %04X %02X %02X\n", \ + pxy_gen2_data->x1, \ + pxy_gen2_data->y1, \ + pxy_gen2_data->z1, \ + pxy_gen2_data->evnt_idx); + cyttsp_xdebug("%04X %04X %02X\n", \ + pxy_gen2_data->x2, \ + pxy_gen2_data->y2, \ + pxy_gen2_data->tt_undef1); + cyttsp_xdebug("%02X %02X %02X\n", \ + pxy_gen2_data->gest_cnt, \ + pxy_gen2_data->gest_id, \ + pxy_gen2_data->gest_set); + break; + } + case CY_GEN3: + default: { + pxy_gen3_data = + (struct cyttsp_gen3_xydata_t *)(&g_xy_data); + cyttsp_xdebug("TTSP Gen3 report:\n"); + cyttsp_xdebug("%02X %02X %02X\n", \ + pxy_gen3_data->hst_mode, + pxy_gen3_data->tt_mode, + pxy_gen3_data->tt_stat); + cyttsp_xdebug("%04X %04X %02X %02X", \ + pxy_gen3_data->x1, + pxy_gen3_data->y1, + pxy_gen3_data->z1, \ + pxy_gen3_data->touch12_id); + cyttsp_xdebug("%04X %04X %02X\n", \ + pxy_gen3_data->x2, \ + pxy_gen3_data->y2, \ + pxy_gen3_data->z2); + cyttsp_xdebug("%02X %02X %02X\n", \ + pxy_gen3_data->gest_cnt, \ + pxy_gen3_data->gest_id, \ + pxy_gen3_data->gest_set); + cyttsp_xdebug("%04X %04X %02X %02X\n", \ + pxy_gen3_data->x3, \ + pxy_gen3_data->y3, \ + pxy_gen3_data->z3, \ + pxy_gen3_data->touch34_id); + cyttsp_xdebug("%04X %04X %02X\n", \ + pxy_gen3_data->x4, \ + pxy_gen3_data->y4, \ + pxy_gen3_data->z4); + break; + } + } + } + + /* process the touches */ + switch (cur_tch) { + case 4: { + g_xy_data.x4 = be16_to_cpu(g_xy_data.x4); + g_xy_data.y4 = be16_to_cpu(g_xy_data.y4); + if (tilt) + FLIP_XY(g_xy_data.x4, g_xy_data.y4); + + if (rev_x) { + g_xy_data.x4 = + INVERT_X(g_xy_data.x4, ts->platform_data->maxx); + } + if (rev_y) { + g_xy_data.y4 = + INVERT_X(g_xy_data.y4, ts->platform_data->maxy); + } + id = GET_TOUCH4_ID(g_xy_data.touch34_id); + if (ts->platform_data->use_trk_id) { + cur_mt_pos[CY_MT_TCH4_IDX][CY_XPOS] = + g_xy_data.x4; + cur_mt_pos[CY_MT_TCH4_IDX][CY_YPOS] = + g_xy_data.y4; + cur_mt_z[CY_MT_TCH4_IDX] = g_xy_data.z4; + } else { + cur_mt_pos[id][CY_XPOS] = g_xy_data.x4; + cur_mt_pos[id][CY_YPOS] = g_xy_data.y4; + cur_mt_z[id] = g_xy_data.z4; + } + cur_mt_tch[CY_MT_TCH4_IDX] = id; + cur_trk[id] = CY_TCH; + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] < + CY_NUM_TRK_ID) { + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) { + st_x1 = g_xy_data.x4; + st_y1 = g_xy_data.y4; + st_z1 = g_xy_data.z4; + cur_st_tch[CY_ST_FNGR1_IDX] = id; + } else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) { + st_x2 = g_xy_data.x4; + st_y2 = g_xy_data.y4; + st_z2 = g_xy_data.z4; + cur_st_tch[CY_ST_FNGR2_IDX] = id; + } + } + cyttsp_xdebug("4th XYZ:% 3d,% 3d,% 3d ID:% 2d\n\n", \ + g_xy_data.x4, g_xy_data.y4, g_xy_data.z4, \ + (g_xy_data.touch34_id & 0x0F)); + /* do not break */ + } + case 3: { + g_xy_data.x3 = be16_to_cpu(g_xy_data.x3); + g_xy_data.y3 = be16_to_cpu(g_xy_data.y3); + if (tilt) + FLIP_XY(g_xy_data.x3, g_xy_data.y3); + + if (rev_x) { + g_xy_data.x3 = + INVERT_X(g_xy_data.x3, ts->platform_data->maxx); + } + if (rev_y) { + g_xy_data.y3 = + INVERT_X(g_xy_data.y3, ts->platform_data->maxy); + } + id = GET_TOUCH3_ID(g_xy_data.touch34_id); + if (ts->platform_data->use_trk_id) { + cur_mt_pos[CY_MT_TCH3_IDX][CY_XPOS] = + g_xy_data.x3; + cur_mt_pos[CY_MT_TCH3_IDX][CY_YPOS] = + g_xy_data.y3; + cur_mt_z[CY_MT_TCH3_IDX] = g_xy_data.z3; + } else { + cur_mt_pos[id][CY_XPOS] = g_xy_data.x3; + cur_mt_pos[id][CY_YPOS] = g_xy_data.y3; + cur_mt_z[id] = g_xy_data.z3; + } + cur_mt_tch[CY_MT_TCH3_IDX] = id; + cur_trk[id] = CY_TCH; + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] < + CY_NUM_TRK_ID) { + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) { + st_x1 = g_xy_data.x3; + st_y1 = g_xy_data.y3; + st_z1 = g_xy_data.z3; + cur_st_tch[CY_ST_FNGR1_IDX] = id; + } else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) { + st_x2 = g_xy_data.x3; + st_y2 = g_xy_data.y3; + st_z2 = g_xy_data.z3; + cur_st_tch[CY_ST_FNGR2_IDX] = id; + } + } + cyttsp_xdebug("3rd XYZ:% 3d,% 3d,% 3d ID:% 2d\n", \ + g_xy_data.x3, g_xy_data.y3, g_xy_data.z3, \ + ((g_xy_data.touch34_id >> 4) & 0x0F)); + /* do not break */ + } + case 2: { + g_xy_data.x2 = be16_to_cpu(g_xy_data.x2); + g_xy_data.y2 = be16_to_cpu(g_xy_data.y2); + if (tilt) + FLIP_XY(g_xy_data.x2, g_xy_data.y2); + + if (rev_x) { + g_xy_data.x2 = + INVERT_X(g_xy_data.x2, ts->platform_data->maxx); + } + if (rev_y) { + g_xy_data.y2 = + INVERT_X(g_xy_data.y2, ts->platform_data->maxy); + } + id = GET_TOUCH2_ID(g_xy_data.touch12_id); + if (ts->platform_data->use_trk_id) { + cur_mt_pos[CY_MT_TCH2_IDX][CY_XPOS] = + g_xy_data.x2; + cur_mt_pos[CY_MT_TCH2_IDX][CY_YPOS] = + g_xy_data.y2; + cur_mt_z[CY_MT_TCH2_IDX] = g_xy_data.z2; + } else { + cur_mt_pos[id][CY_XPOS] = g_xy_data.x2; + cur_mt_pos[id][CY_YPOS] = g_xy_data.y2; + cur_mt_z[id] = g_xy_data.z2; + } + cur_mt_tch[CY_MT_TCH2_IDX] = id; + cur_trk[id] = CY_TCH; + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] < + CY_NUM_TRK_ID) { + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) { + st_x1 = g_xy_data.x2; + st_y1 = g_xy_data.y2; + st_z1 = g_xy_data.z2; + cur_st_tch[CY_ST_FNGR1_IDX] = id; + } else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) { + st_x2 = g_xy_data.x2; + st_y2 = g_xy_data.y2; + st_z2 = g_xy_data.z2; + cur_st_tch[CY_ST_FNGR2_IDX] = id; + } + } + cyttsp_xdebug("2nd XYZ:% 3d,% 3d,% 3d ID:% 2d\n", \ + g_xy_data.x2, g_xy_data.y2, g_xy_data.z2, \ + (g_xy_data.touch12_id & 0x0F)); + /* do not break */ + } + case 1: { + g_xy_data.x1 = be16_to_cpu(g_xy_data.x1); + g_xy_data.y1 = be16_to_cpu(g_xy_data.y1); + if (tilt) + FLIP_XY(g_xy_data.x1, g_xy_data.y1); + + if (rev_x) { + g_xy_data.x1 = + INVERT_X(g_xy_data.x1, ts->platform_data->maxx); + } + if (rev_y) { + g_xy_data.y1 = + INVERT_X(g_xy_data.y1, ts->platform_data->maxy); + } + id = GET_TOUCH1_ID(g_xy_data.touch12_id); + if (ts->platform_data->use_trk_id) { + cur_mt_pos[CY_MT_TCH1_IDX][CY_XPOS] = + g_xy_data.x1; + cur_mt_pos[CY_MT_TCH1_IDX][CY_YPOS] = + g_xy_data.y1; + cur_mt_z[CY_MT_TCH1_IDX] = g_xy_data.z1; + } else { + cur_mt_pos[id][CY_XPOS] = g_xy_data.x1; + cur_mt_pos[id][CY_YPOS] = g_xy_data.y1; + cur_mt_z[id] = g_xy_data.z1; + } + cur_mt_tch[CY_MT_TCH1_IDX] = id; + cur_trk[id] = CY_TCH; + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] < + CY_NUM_TRK_ID) { + if (ts->prv_st_tch[CY_ST_FNGR1_IDX] == id) { + st_x1 = g_xy_data.x1; + st_y1 = g_xy_data.y1; + st_z1 = g_xy_data.z1; + cur_st_tch[CY_ST_FNGR1_IDX] = id; + } else if (ts->prv_st_tch[CY_ST_FNGR2_IDX] == id) { + st_x2 = g_xy_data.x1; + st_y2 = g_xy_data.y1; + st_z2 = g_xy_data.z1; + cur_st_tch[CY_ST_FNGR2_IDX] = id; + } + } + cyttsp_xdebug("1st XYZ:% 3d,% 3d,% 3d ID:% 2d\n", \ + g_xy_data.x1, g_xy_data.y1, g_xy_data.z1, \ + ((g_xy_data.touch12_id >> 4) & 0x0F)); + break; + } + case 0: + default:{ + break; + } + } + + /* handle Single Touch signals */ + if (ts->platform_data->use_st) { + cyttsp_xdebug("ST STEP 0 - ST1 ID=%d ST2 ID=%d\n", \ + cur_st_tch[CY_ST_FNGR1_IDX], \ + cur_st_tch[CY_ST_FNGR2_IDX]); + if (cur_st_tch[CY_ST_FNGR1_IDX] > CY_NUM_TRK_ID) { + /* reassign finger 1 and 2 positions to new tracks */ + if (cur_tch > 0) { + /* reassign st finger1 */ + if (ts->platform_data->use_trk_id) { + id = CY_MT_TCH1_IDX; + cur_st_tch[CY_ST_FNGR1_IDX] = cur_mt_tch[id]; + } else { + id = GET_TOUCH1_ID(g_xy_data.touch12_id); + cur_st_tch[CY_ST_FNGR1_IDX] = id; + } + st_x1 = cur_mt_pos[id][CY_XPOS]; + st_y1 = cur_mt_pos[id][CY_YPOS]; + st_z1 = cur_mt_z[id]; + cyttsp_xdebug("ST STEP 1 - ST1 ID=%3d\n", \ + cur_st_tch[CY_ST_FNGR1_IDX]); + if ((cur_tch > 1) && + (cur_st_tch[CY_ST_FNGR2_IDX] > + CY_NUM_TRK_ID)) { + /* reassign st finger2 */ + if (cur_tch > 1) { + if (ts->platform_data->use_trk_id) { + id = CY_MT_TCH2_IDX; + cur_st_tch[CY_ST_FNGR2_IDX] = cur_mt_tch[id]; + } else { + id = GET_TOUCH2_ID(g_xy_data.touch12_id); + cur_st_tch[CY_ST_FNGR2_IDX] = id; + } + st_x2 = cur_mt_pos[id][CY_XPOS]; + st_y2 = cur_mt_pos[id][CY_YPOS]; + st_z2 = cur_mt_z[id]; + cyttsp_xdebug("ST STEP 2 - ST2 ID=%3d\n", \ + cur_st_tch[CY_ST_FNGR2_IDX]); + } + } + } + } else if (cur_st_tch[CY_ST_FNGR2_IDX] > CY_NUM_TRK_ID) { + if (cur_tch > 1) { + /* reassign st finger2 */ + if (ts->platform_data->use_trk_id) { + /* reassign st finger2 */ + id = CY_MT_TCH2_IDX; + cur_st_tch[CY_ST_FNGR2_IDX] = + cur_mt_tch[id]; + } else { + /* reassign st finger2 */ + id = GET_TOUCH2_ID(g_xy_data.touch12_id); + cur_st_tch[CY_ST_FNGR2_IDX] = id; + } + st_x2 = cur_mt_pos[id][CY_XPOS]; + st_y2 = cur_mt_pos[id][CY_YPOS]; + st_z2 = cur_mt_z[id]; + cyttsp_xdebug("ST STEP 3 - ST2 ID=%3d\n", \ + cur_st_tch[CY_ST_FNGR2_IDX]); + } + } + /* if the 1st touch is missing and there is a 2nd touch, + * then set the 1st touch to 2nd touch and terminate 2nd touch + */ + if ((cur_st_tch[CY_ST_FNGR1_IDX] > CY_NUM_TRK_ID) && + (cur_st_tch[CY_ST_FNGR2_IDX] < CY_NUM_TRK_ID)) { + st_x1 = st_x2; + st_y1 = st_y2; + st_z1 = st_z2; + cur_st_tch[CY_ST_FNGR1_IDX] = + cur_st_tch[CY_ST_FNGR2_IDX]; + cur_st_tch[CY_ST_FNGR2_IDX] = + CY_IGNR_TCH; + } + /* if the 2nd touch ends up equal to the 1st touch, + * then just report a single touch */ + if (cur_st_tch[CY_ST_FNGR1_IDX] == + cur_st_tch[CY_ST_FNGR2_IDX]) { + cur_st_tch[CY_ST_FNGR2_IDX] = + CY_IGNR_TCH; + } + /* set Single Touch current event signals */ + if (cur_st_tch[CY_ST_FNGR1_IDX] < CY_NUM_TRK_ID) { + input_report_abs(ts->input, + ABS_X, st_x1); + input_report_abs(ts->input, + ABS_Y, st_y1); + input_report_abs(ts->input, + ABS_PRESSURE, st_z1); + input_report_key(ts->input, + BTN_TOUCH, + CY_TCH); + input_report_abs(ts->input, + ABS_TOOL_WIDTH, + curr_tool_width); + cyttsp_debug("ST->F1:%3d X:%3d Y:%3d Z:%3d\n", \ + cur_st_tch[CY_ST_FNGR1_IDX], \ + st_x1, st_y1, st_z1); + if (cur_st_tch[CY_ST_FNGR2_IDX] < CY_NUM_TRK_ID) { + input_report_key(ts->input, BTN_2, CY_TCH); + input_report_abs(ts->input, ABS_HAT0X, st_x2); + input_report_abs(ts->input, ABS_HAT0Y, st_y2); + cyttsp_debug("ST->F2:%3d X:%3d Y:%3d Z:%3d\n", \ + cur_st_tch[CY_ST_FNGR2_IDX], + st_x2, st_y2, st_z2); + } else { + input_report_key(ts->input, + BTN_2, + CY_NTCH); + } + } else { + input_report_abs(ts->input, ABS_PRESSURE, CY_NTCH); + input_report_key(ts->input, BTN_TOUCH, CY_NTCH); + input_report_key(ts->input, BTN_2, CY_NTCH); + } + /* update platform data for the current single touch info */ + ts->prv_st_tch[CY_ST_FNGR1_IDX] = cur_st_tch[CY_ST_FNGR1_IDX]; + ts->prv_st_tch[CY_ST_FNGR2_IDX] = cur_st_tch[CY_ST_FNGR2_IDX]; + + } + + /* handle Multi-touch signals */ + if (ts->platform_data->use_mt) { + if (ts->platform_data->use_trk_id) { + /* terminate any previous touch where the track + * is missing from the current event */ + for (id = 0; id < CY_NUM_TRK_ID; id++) { + if ((ts->act_trk[id] != CY_NTCH) && + (cur_trk[id] == CY_NTCH)) { + input_report_abs(ts->input, + ABS_MT_TRACKING_ID, + id); + input_report_abs(ts->input, + ABS_MT_TOUCH_MAJOR, + CY_NTCH); + input_report_abs(ts->input, + ABS_MT_WIDTH_MAJOR, + curr_tool_width); + input_report_abs(ts->input, + ABS_MT_POSITION_X, + ts->prv_mt_pos[id][CY_XPOS]); + input_report_abs(ts->input, + ABS_MT_POSITION_Y, + ts->prv_mt_pos[id][CY_YPOS]); + CY_MT_SYNC(ts->input); + ts->act_trk[id] = CY_NTCH; + ts->prv_mt_pos[id][CY_XPOS] = 0; + ts->prv_mt_pos[id][CY_YPOS] = 0; + } + } + /* set Multi-Touch current event signals */ + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + if (cur_mt_tch[id] < CY_NUM_TRK_ID) { + input_report_abs(ts->input, + ABS_MT_TRACKING_ID, + cur_mt_tch[id]); + input_report_abs(ts->input, + ABS_MT_TOUCH_MAJOR, + cur_mt_z[id]); + input_report_abs(ts->input, + ABS_MT_WIDTH_MAJOR, + curr_tool_width); + input_report_abs(ts->input, + ABS_MT_POSITION_X, + cur_mt_pos[id][CY_XPOS]); + input_report_abs(ts->input, + ABS_MT_POSITION_Y, + cur_mt_pos[id][CY_YPOS]); + CY_MT_SYNC(ts->input); + ts->act_trk[id] = CY_TCH; + ts->prv_mt_pos[id][CY_XPOS] = + cur_mt_pos[id][CY_XPOS]; + ts->prv_mt_pos[id][CY_YPOS] = + cur_mt_pos[id][CY_YPOS]; + } + } + } else { + /* set temporary track array elements to voids */ + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + tmp_trk[id] = CY_IGNR_TCH; + snd_trk[id] = CY_IGNR_TCH; + } + + /* get what is currently active */ + for (i = 0, id = 0; + id < CY_NUM_TRK_ID && i < CY_NUM_MT_TCH_ID; + id++) { + if (cur_trk[id] == CY_TCH) { + /* only incr counter if track found */ + tmp_trk[i] = id; + i++; + } + } + cyttsp_xdebug("T1: t0=%d, t1=%d, t2=%d, t3=%d\n", \ + tmp_trk[0], tmp_trk[1], tmp_trk[2], \ + tmp_trk[3]); + cyttsp_xdebug("T1: p0=%d, p1=%d, p2=%d, p3=%d\n", \ + ts->prv_mt_tch[0], ts->prv_mt_tch[1], \ + ts->prv_mt_tch[2], ts->prv_mt_tch[3]); + + /* pack in still active previous touches */ + for (id = 0, prv_tch = 0; + id < CY_NUM_MT_TCH_ID; id++) { + if (tmp_trk[id] < CY_NUM_TRK_ID) { + if (cyttsp_inlist(ts->prv_mt_tch, + tmp_trk[id], &loc, + CY_NUM_MT_TCH_ID)) { + loc &= CY_NUM_MT_TCH_ID - 1; + snd_trk[loc] = tmp_trk[id]; + prv_tch++; + cyttsp_xdebug("inlist s[%d]=%d t[%d]=%d l=%d p=%d\n", \ + loc, snd_trk[loc], \ + id, tmp_trk[id], \ + loc, prv_tch); + } else { + cyttsp_xdebug("not inlist s[%d]=%d t[%d]=%d l=%d \n", \ + id, snd_trk[id], \ + id, tmp_trk[id], \ + loc); + } + } + } + cyttsp_xdebug("S1: s0=%d, s1=%d, s2=%d, s3=%d p=%d\n", \ + snd_trk[0], snd_trk[1], snd_trk[2], \ + snd_trk[3], prv_tch); + + /* pack in new touches */ + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + if (tmp_trk[id] < CY_NUM_TRK_ID) { + if (!cyttsp_inlist(snd_trk, tmp_trk[id], &loc, CY_NUM_MT_TCH_ID)) { + cyttsp_xdebug("not inlist t[%d]=%d l=%d\n", \ + id, tmp_trk[id], loc); + if (cyttsp_next_avail_inlist(snd_trk, &loc, CY_NUM_MT_TCH_ID)) { + loc &= CY_NUM_MT_TCH_ID - 1; + snd_trk[loc] = tmp_trk[id]; + cyttsp_xdebug("put inlist s[%d]=%d t[%d]=%d\n", + loc, snd_trk[loc], id, tmp_trk[id]); + } + } else { + cyttsp_xdebug("is in list s[%d]=%d t[%d]=%d loc=%d\n", \ + id, snd_trk[id], id, tmp_trk[id], loc); + } + } + } + cyttsp_xdebug("S2: s0=%d, s1=%d, s2=%d, s3=%d\n", \ + snd_trk[0], snd_trk[1], + snd_trk[2], snd_trk[3]); + + /* sync motion event signals for each current touch */ + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + /* z will either be 0 (NOTOUCH) or + * some pressure (TOUCH) */ + cyttsp_xdebug("MT0 prev[%d]=%d temp[%d]=%d send[%d]=%d\n", \ + id, ts->prv_mt_tch[id], \ + id, tmp_trk[id], \ + id, snd_trk[id]); + if (snd_trk[id] < CY_NUM_TRK_ID) { + input_report_abs(ts->input, + ABS_MT_TOUCH_MAJOR, + cur_mt_z[snd_trk[id]]); + input_report_abs(ts->input, + ABS_MT_WIDTH_MAJOR, + curr_tool_width); + input_report_abs(ts->input, + ABS_MT_POSITION_X, + cur_mt_pos[snd_trk[id]][CY_XPOS]); + input_report_abs(ts->input, + ABS_MT_POSITION_Y, + cur_mt_pos[snd_trk[id]][CY_YPOS]); + CY_MT_SYNC(ts->input); + cyttsp_debug("MT1->TID:%2d X:%3d Y:%3d Z:%3d touch-sent\n", \ + snd_trk[id], \ + cur_mt_pos[snd_trk[id]][CY_XPOS], \ + cur_mt_pos[snd_trk[id]][CY_YPOS], \ + cur_mt_z[snd_trk[id]]); + } else if (ts->prv_mt_tch[id] < CY_NUM_TRK_ID) { + /* void out this touch */ + input_report_abs(ts->input, + ABS_MT_TOUCH_MAJOR, + CY_NTCH); + input_report_abs(ts->input, + ABS_MT_WIDTH_MAJOR, + curr_tool_width); + input_report_abs(ts->input, + ABS_MT_POSITION_X, + ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_XPOS]); + input_report_abs(ts->input, + ABS_MT_POSITION_Y, + ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_YPOS]); + CY_MT_SYNC(ts->input); + cyttsp_debug("MT2->TID:%2d X:%3d Y:%3d Z:%3d lift off-sent\n", \ + ts->prv_mt_tch[id], \ + ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_XPOS], \ + ts->prv_mt_pos[ts->prv_mt_tch[id]][CY_YPOS], \ + CY_NTCH); + } else { + /* do not stuff any signals for this + * previously and currently + * void touches */ + cyttsp_xdebug("MT3->send[%d]=%d - No touch - NOT sent\n", \ + id, snd_trk[id]); + } + } + + /* save current posted tracks to + * previous track memory */ + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + ts->prv_mt_tch[id] = snd_trk[id]; + ts->prv_mt_pos[snd_trk[id]][CY_XPOS] = + cur_mt_pos[snd_trk[id]][CY_XPOS]; + ts->prv_mt_pos[snd_trk[id]][CY_YPOS] = + cur_mt_pos[snd_trk[id]][CY_YPOS]; + cyttsp_xdebug("MT4->TID:%2d X:%3d Y:%3d Z:%3d save for previous\n", \ + snd_trk[id], \ + ts->prv_mt_pos[snd_trk[id]][CY_XPOS], \ + ts->prv_mt_pos[snd_trk[id]][CY_YPOS], \ + CY_NTCH); + } + for (id = 0; id < CY_NUM_TRK_ID; id++) + ts->act_trk[id] = CY_NTCH; + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) { + if (snd_trk[id] < CY_NUM_TRK_ID) + ts->act_trk[snd_trk[id]] = CY_TCH; + } + } + } + + /* handle gestures */ + if (ts->platform_data->use_gestures) { + if (g_xy_data.gest_id) { + input_report_key(ts->input, + BTN_3, CY_TCH); + input_report_abs(ts->input, + ABS_HAT1X, g_xy_data.gest_id); + input_report_abs(ts->input, + ABS_HAT2Y, g_xy_data.gest_cnt); + } + } + + /* signal the view motion event */ + input_sync(ts->input); + + for (id = 0; id < CY_NUM_TRK_ID; id++) { + /* update platform data for the current MT information */ + ts->act_trk[id] = cur_trk[id]; + } + +exit_xy_worker: + if (cyttsp_disable_touch) { + /* Turn off the touch interrupts */ + cyttsp_debug("Not enabling touch\n"); + } else { + if (ts->client->irq == 0) { + /* restart event timer */ + mod_timer(&ts->timer, jiffies + TOUCHSCREEN_TIMEOUT); + } else { + /* re-enable the interrupt after processing */ + enable_irq(ts->client->irq); + } + } + return; +} + +static int cyttsp_inlist(u16 prev_track[], u8 cur_trk_id, + u8 *prev_loc, u8 num_touches) +{ + u8 id = 0; + + *prev_loc = CY_IGNR_TCH; + + cyttsp_xdebug("IN p[%d]=%d c=%d n=%d loc=%d\n", \ + id, prev_track[id], cur_trk_id, \ + num_touches, *prev_loc); + for (id = 0, *prev_loc = CY_IGNR_TCH; + (id < num_touches); id++) { + cyttsp_xdebug("p[%d]=%d c=%d n=%d loc=%d\n", \ + id, prev_track[id], cur_trk_id, \ + num_touches, *prev_loc); + if (prev_track[id] == cur_trk_id) { + *prev_loc = id; + break; + } + } + cyttsp_xdebug("OUT p[%d]=%d c=%d n=%d loc=%d\n", \ + id, prev_track[id], cur_trk_id, num_touches, *prev_loc); + + return ((*prev_loc < CY_NUM_TRK_ID) ? true : false); +} + +static int cyttsp_next_avail_inlist(u16 cur_trk[], + u8 *new_loc, u8 num_touches) +{ + u8 id; + + for (id = 0, *new_loc = CY_IGNR_TCH; + (id < num_touches); id++) { + if (cur_trk[id] > CY_NUM_TRK_ID) { + *new_loc = id; + break; + } + } + + return ((*new_loc < CY_NUM_TRK_ID) ? true : false); +} + +/* Timer function used as dummy interrupt driver */ +static void cyttsp_timer(unsigned long handle) +{ + struct cyttsp *ts = (struct cyttsp *) handle; + + cyttsp_xdebug("TTSP Device timer event\n"); + + /* schedule motion signal handling */ + queue_work(cyttsp_ts_wq, &ts->work); + + return; +} + + + +/* ************************************************************************ + * ISR function. This function is general, initialized in drivers init + * function + * ************************************************************************ */ +static irqreturn_t cyttsp_irq(int irq, void *handle) +{ + struct cyttsp *ts = (struct cyttsp *) handle; + + cyttsp_xdebug("%s: Got IRQ\n", CY_I2C_NAME); + + /* disable further interrupts until this interrupt is processed */ + disable_irq_nosync(ts->client->irq); + + /* schedule motion signal handling */ + queue_work(cyttsp_ts_wq, &ts->work); + return IRQ_HANDLED; +} + +/* ************************************************************************ + * Probe initialization functions + * ************************************************************************ */ +static int cyttsp_putbl(struct cyttsp *ts, int show, + int show_status, int show_version, int show_cid) +{ + int retval = CY_OK; + + int num_bytes = (show_status * 3) + (show_version * 6) + (show_cid * 3); + + if (show_cid) + num_bytes = sizeof(struct cyttsp_bootloader_data_t); + else if (show_version) + num_bytes = sizeof(struct cyttsp_bootloader_data_t) - 3; + else + num_bytes = sizeof(struct cyttsp_bootloader_data_t) - 9; + + if (show) { + retval = i2c_smbus_read_i2c_block_data(ts->client, + CY_REG_BASE, num_bytes, (u8 *)&g_bl_data); + if (show_status) { + cyttsp_debug("BL%d: f=%02X s=%02X err=%02X bl=%02X%02X bld=%02X%02X\n", \ + show, \ + g_bl_data.bl_file, \ + g_bl_data.bl_status, \ + g_bl_data.bl_error, \ + g_bl_data.blver_hi, g_bl_data.blver_lo, \ + g_bl_data.bld_blver_hi, g_bl_data.bld_blver_lo); + } + if (show_version) { + cyttsp_debug("BL%d: ttspver=0x%02X%02X appid=0x%02X%02X appver=0x%02X%02X\n", \ + show, \ + g_bl_data.ttspver_hi, g_bl_data.ttspver_lo, \ + g_bl_data.appid_hi, g_bl_data.appid_lo, \ + g_bl_data.appver_hi, g_bl_data.appver_lo); + } + if (show_cid) { + cyttsp_debug("BL%d: cid=0x%02X%02X%02X\n", \ + show, \ + g_bl_data.cid_0, \ + g_bl_data.cid_1, \ + g_bl_data.cid_2); + } + mdelay(CY_DLY_DFLT); + } + + return retval; +} + +#ifdef CY_INCLUDE_LOAD_FILE +#define CY_MAX_I2C_LEN 256 +#define CY_MAX_TRY 10 +#define CY_BL_PAGE_SIZE 16 +#define CY_BL_NUM_PAGES 5 +static int cyttsp_i2c_wr_blk_data(struct i2c_client *client, u8 command, + u8 length, const u8 *values) +{ + int retval = CY_OK; + + u8 dataray[CY_MAX_I2C_LEN]; + u8 try; + dataray[0] = command; + if (length) + memcpy(&dataray[1], values, length); + + try = CY_MAX_TRY; + do { + retval = i2c_master_send(client, dataray, length+1); + mdelay(CY_DLY_DFLT*2); + } while ((retval != length+1) && try--); + + return retval; +} + +static int cyttsp_i2c_wr_blk_chunks(struct cyttsp *ts, u8 command, + u8 length, const u8 *values) +{ + int retval = CY_OK; + int block = 1; + + u8 dataray[CY_MAX_I2C_LEN]; + + /* first page already includes the bl page offset */ + retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE, + CY_BL_PAGE_SIZE+1, values); + mdelay(10); + values += CY_BL_PAGE_SIZE+1; + length -= CY_BL_PAGE_SIZE+1; + + /* rem blocks require bl page offset stuffing */ + while (length && + (block < CY_BL_NUM_PAGES) && + !(retval < CY_OK)) { + dataray[0] = CY_BL_PAGE_SIZE*block; + memcpy(&dataray[1], values, + length >= CY_BL_PAGE_SIZE ? + CY_BL_PAGE_SIZE : length); + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + length >= CY_BL_PAGE_SIZE ? + CY_BL_PAGE_SIZE + 1 : length+1, dataray); + mdelay(10); + values += CY_BL_PAGE_SIZE; + length = length >= CY_BL_PAGE_SIZE ? + length - CY_BL_PAGE_SIZE : 0; + block++; + } + + return retval; +} + +static int cyttsp_bootload_app(struct cyttsp *ts) +{ + int retval = CY_OK; + int i, tries; + u8 host_reg; + + cyttsp_debug("load new firmware \n"); + /* reset TTSP Device back to bootloader mode */ + host_reg = CY_SOFT_RESET_MODE; + retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE, + sizeof(host_reg), &host_reg); + /* wait for TTSP Device to complete reset back to bootloader */ + mdelay(1000); + cyttsp_putbl(ts, 3, true, true, true); + cyttsp_debug("load file - tver=0x%02X%02X a_id=0x%02X%02X aver=0x%02X%02X\n", \ + cyttsp_fw_tts_verh, cyttsp_fw_tts_verl, \ + cyttsp_fw_app_idh, cyttsp_fw_app_idl, \ + cyttsp_fw_app_verh, cyttsp_fw_app_verl); + + /* download new TTSP Application to the Bootloader */ + if (!(retval < CY_OK)) { + i = 0; + /* send bootload initiation command */ + if (cyttsp_fw[i].Command == CY_BL_INIT_LOAD) { + g_bl_data.bl_file = 0; + g_bl_data.bl_status = 0; + g_bl_data.bl_error = 0; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + cyttsp_fw[i].Length, cyttsp_fw[i].Block); + /* delay to allow bl to get ready for block writes */ + i++; + tries = 0; + cyttsp_debug("wait init f=%02X, s=%02X, e=%02X t=%d\n", \ + g_bl_data.bl_file, g_bl_data.bl_status, \ + g_bl_data.bl_error, tries); + do { + mdelay(1000); + cyttsp_putbl(ts, 4, true, false, false); + } while (g_bl_data.bl_status != 0x10 && + g_bl_data.bl_status != 0x11 && + tries++ < 10); + /* send bootload firmware load blocks */ + if (!(retval < CY_OK)) { + while (cyttsp_fw[i].Command == CY_BL_WRITE_BLK) { + retval = cyttsp_i2c_wr_blk_chunks(ts, + CY_REG_BASE, + cyttsp_fw[i].Length, + cyttsp_fw[i].Block); + /* bl requires dly after blocks */ + mdelay(100); + cyttsp_debug("BL DNLD Rec=% 3d Len=% 3d Addr=%04X\n", \ + cyttsp_fw[i].Record, \ + cyttsp_fw[i].Length, \ + cyttsp_fw[i].Address); + i++; + if (retval < CY_OK) { + cyttsp_debug("BL fail Rec=%3d retval=%d\n", \ + cyttsp_fw[i-1].Record, \ + retval); + break; + } else { + /* reset TTSP I2C counter */ + retval = cyttsp_i2c_wr_blk_data(ts->client, + CY_REG_BASE, + 0, NULL); + mdelay(10); + cyttsp_putbl(ts, 5, + true, false, false); + } + } + if (!(retval < CY_OK)) { + while (i < cyttsp_fw_records) { + retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE, + cyttsp_fw[i].Length, + cyttsp_fw[i].Block); + i++; + tries = 0; + cyttsp_debug("wait init f=%02X, s=%02X, e=%02X t=%d\n", \ + g_bl_data.bl_file, \ + g_bl_data.bl_status, \ + g_bl_data.bl_error, \ + tries); + do { + mdelay(1000); + cyttsp_putbl(ts, 6, true, false, false); + } while (g_bl_data.bl_status != 0x10 && + g_bl_data.bl_status != 0x11 && + tries++ < 10); + cyttsp_putbl(ts, 7, true, false, + false); + if (retval < CY_OK) + break; + } + } + } + } + } + + /* reset TTSP Device back to bootloader mode */ + host_reg = CY_SOFT_RESET_MODE; + retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE, + sizeof(host_reg), &host_reg); + /* wait for TTSP Device to complete reset back to bootloader */ + mdelay(1000); + + /* set arg2 to non-0 to activate */ + retval = cyttsp_putbl(ts, 8, true, true, true); + + return retval; +} +#else +static int cyttsp_bootload_app(struct cyttsp *ts) +{ + cyttsp_debug("no-load new firmware \n"); + return CY_OK; +} +#endif /* CY_INCLUDE_LOAD_FILE */ + + +static int cyttsp_power_on(struct cyttsp *ts) +{ + int retval = CY_OK; + u8 host_reg; + int tries; + + cyttsp_debug("Power up \n"); + + /* check if the TTSP device has a bootloader installed */ + host_reg = CY_SOFT_RESET_MODE; + retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE, + sizeof(host_reg), &host_reg); + tries = 0; + do { + mdelay(1000); + + /* set arg2 to non-0 to activate */ + retval = cyttsp_putbl(ts, 1, true, true, true); + cyttsp_info("BL%d: f=%02X s=%02X err=%02X bl=%02X%02X bld=%02X%02X R=%d\n", \ + 101, \ + g_bl_data.bl_file, g_bl_data.bl_status, \ + g_bl_data.bl_error, \ + g_bl_data.blver_hi, g_bl_data.blver_lo, \ + g_bl_data.bld_blver_hi, g_bl_data.bld_blver_lo, + retval); + cyttsp_info("BL%d: tver=%02X%02X a_id=%02X%02X aver=%02X%02X\n", \ + 102, \ + g_bl_data.ttspver_hi, g_bl_data.ttspver_lo, \ + g_bl_data.appid_hi, g_bl_data.appid_lo, \ + g_bl_data.appver_hi, g_bl_data.appver_lo); + cyttsp_info("BL%d: c_id=%02X%02X%02X\n", \ + 103, \ + g_bl_data.cid_0, g_bl_data.cid_1, g_bl_data.cid_2); + } while (!(retval < CY_OK) && + !GET_BOOTLOADERMODE(g_bl_data.bl_status) && + !(g_bl_data.bl_file == CY_OP_MODE + CY_LOW_PWR_MODE) && + tries++ < 10); + + /* is bootloader missing? */ + if (!(retval < CY_OK)) { + cyttsp_xdebug("Ret=%d Check if bootloader is missing...\n", \ + retval); + if (!GET_BOOTLOADERMODE(g_bl_data.bl_status)) { + /* skip all bl and sys info and go to op mode */ + if (!(retval < CY_OK)) { + cyttsp_xdebug("Bl is missing (ret=%d)\n", \ + retval); + host_reg = CY_OP_MODE/* + CY_LOW_PWR_MODE*/; + retval = i2c_smbus_write_i2c_block_data(ts->client, CY_REG_BASE, + sizeof(host_reg), &host_reg); + /* wait for TTSP Device to complete switch to + * Operational mode */ + mdelay(1000); + goto bypass; + } + } + } + + + /* take TTSP out of bootloader mode; go to TrueTouch operational mode */ + if (!(retval < CY_OK)) { + cyttsp_xdebug1("exit bootloader; go operational\n"); + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, sizeof(bl_cmd), bl_cmd); + tries = 0; + do { + mdelay(1000); + cyttsp_putbl(ts, 4, true, false, false); + cyttsp_info("BL%d: f=%02X s=%02X err=%02X bl=%02X%02X bld=%02X%02X\n", \ + 104, \ + g_bl_data.bl_file, g_bl_data.bl_status, \ + g_bl_data.bl_error, \ + g_bl_data.blver_hi, g_bl_data.blver_lo, \ + g_bl_data.bld_blver_hi, g_bl_data.bld_blver_lo); + } while (GET_BOOTLOADERMODE(g_bl_data.bl_status) && + tries++ < 10); + } + + + + if (!(retval < CY_OK) && + cyttsp_app_load()) { + mdelay(1000); + if (CY_DIFF(g_bl_data.ttspver_hi, cyttsp_tts_verh()) || + CY_DIFF(g_bl_data.ttspver_lo, cyttsp_tts_verl()) || + CY_DIFF(g_bl_data.appid_hi, cyttsp_app_idh()) || + CY_DIFF(g_bl_data.appid_lo, cyttsp_app_idl()) || + CY_DIFF(g_bl_data.appver_hi, cyttsp_app_verh()) || + CY_DIFF(g_bl_data.appver_lo, cyttsp_app_verl()) || + CY_DIFF(g_bl_data.cid_0, cyttsp_cid_0()) || + CY_DIFF(g_bl_data.cid_1, cyttsp_cid_1()) || + CY_DIFF(g_bl_data.cid_2, cyttsp_cid_2()) || + cyttsp_force_fw_load()) { + cyttsp_debug("blttsp=0x%02X%02X flttsp=0x%02X%02X force=%d\n", \ + g_bl_data.ttspver_hi, g_bl_data.ttspver_lo, \ + cyttsp_tts_verh(), cyttsp_tts_verl(), \ + cyttsp_force_fw_load()); + cyttsp_debug("blappid=0x%02X%02X flappid=0x%02X%02X\n", \ + g_bl_data.appid_hi, g_bl_data.appid_lo, \ + cyttsp_app_idh(), cyttsp_app_idl()); + cyttsp_debug("blappver=0x%02X%02X flappver=0x%02X%02X\n", \ + g_bl_data.appver_hi, g_bl_data.appver_lo, \ + cyttsp_app_verh(), cyttsp_app_verl()); + cyttsp_debug("blcid=0x%02X%02X%02X flcid=0x%02X%02X%02X\n", \ + g_bl_data.cid_0, \ + g_bl_data.cid_1, \ + g_bl_data.cid_2, \ + cyttsp_cid_0(), \ + cyttsp_cid_1(), \ + cyttsp_cid_2()); + /* enter bootloader to load new app into TTSP Device */ + retval = cyttsp_bootload_app(ts); + /* take TTSP device out of bootloader mode; + * switch back to TrueTouch operational mode */ + if (!(retval < CY_OK)) { + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(bl_cmd), bl_cmd); + /* wait for TTSP Device to complete + * switch to Operational mode */ + mdelay(1000); + } + } + } + +bypass: + /* switch to System Information mode to read versions + * and set interval registers */ + if (!(retval < CY_OK)) { + cyttsp_debug("switch to sysinfo mode \n"); + host_reg = CY_SYSINFO_MODE; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, sizeof(host_reg), &host_reg); + /* wait for TTSP Device to complete switch to SysInfo mode */ + mdelay(1000); + if (!(retval < CY_OK)) { + retval = i2c_smbus_read_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(struct cyttsp_sysinfo_data_t), + (u8 *)&g_sysinfo_data); + cyttsp_debug("SI2: hst_mode=0x%02X mfg_cmd=0x%02X mfg_stat=0x%02X\n", \ + g_sysinfo_data.hst_mode, \ + g_sysinfo_data.mfg_cmd, \ + g_sysinfo_data.mfg_stat); + cyttsp_debug("SI2: bl_ver=0x%02X%02X\n", \ + g_sysinfo_data.bl_verh, \ + g_sysinfo_data.bl_verl); + cyttsp_debug("SI2: sysinfo act_int=0x%02X tch_tmout=0x%02X lp_int=0x%02X\n", \ + g_sysinfo_data.act_intrvl, \ + g_sysinfo_data.tch_tmout, \ + g_sysinfo_data.lp_intrvl); + cyttsp_info("SI%d: tver=%02X%02X a_id=%02X%02X aver=%02X%02X\n", \ + 102, \ + g_sysinfo_data.tts_verh, \ + g_sysinfo_data.tts_verl, \ + g_sysinfo_data.app_idh, \ + g_sysinfo_data.app_idl, \ + g_sysinfo_data.app_verh, \ + g_sysinfo_data.app_verl); + cyttsp_info("SI%d: c_id=%02X%02X%02X\n", \ + 103, \ + g_sysinfo_data.cid[0], \ + g_sysinfo_data.cid[1], \ + g_sysinfo_data.cid[2]); + if (!(retval < CY_OK) && + (CY_DIFF(ts->platform_data->act_intrvl, + CY_ACT_INTRVL_DFLT) || + CY_DIFF(ts->platform_data->tch_tmout, + CY_TCH_TMOUT_DFLT) || + CY_DIFF(ts->platform_data->lp_intrvl, + CY_LP_INTRVL_DFLT))) { + if (!(retval < CY_OK)) { + u8 intrvl_ray[sizeof(ts->platform_data->act_intrvl) + + sizeof(ts->platform_data->tch_tmout) + + sizeof(ts->platform_data->lp_intrvl)]; + u8 i = 0; + + intrvl_ray[i++] = + ts->platform_data->act_intrvl; + intrvl_ray[i++] = + ts->platform_data->tch_tmout; + intrvl_ray[i++] = + ts->platform_data->lp_intrvl; + + cyttsp_debug("SI2: platinfo act_intrvl=0x%02X tch_tmout=0x%02X lp_intrvl=0x%02X\n", \ + ts->platform_data->act_intrvl, \ + ts->platform_data->tch_tmout, \ + ts->platform_data->lp_intrvl); + /* set intrvl registers */ + retval = i2c_smbus_write_i2c_block_data( + ts->client, + CY_REG_ACT_INTRVL, + sizeof(intrvl_ray), intrvl_ray); + mdelay(CY_DLY_SYSINFO); + } + } + } + /* switch back to Operational mode */ + cyttsp_debug("switch back to operational mode \n"); + if (!(retval < CY_OK)) { + host_reg = CY_OP_MODE/* + CY_LOW_PWR_MODE*/; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(host_reg), &host_reg); + /* wait for TTSP Device to complete + * switch to Operational mode */ + mdelay(1000); + } + } + /* init gesture setup; + * this is required even if not using gestures + * in order to set the active distance */ + if (!(retval < CY_OK)) { + u8 gesture_setup; + cyttsp_debug("init gesture setup \n"); + gesture_setup = ts->platform_data->gest_set; + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_GEST_SET, + sizeof(gesture_setup), &gesture_setup); + mdelay(CY_DLY_DFLT); + } + + if (!(retval < CY_OK)) + ts->platform_data->power_state = CY_ACTIVE_STATE; + else + ts->platform_data->power_state = CY_IDLE_STATE; + + cyttsp_debug("Retval=%d Power state is %s\n", \ + retval, \ + ts->platform_data->power_state == CY_ACTIVE_STATE ? \ + "ACTIVE" : "IDLE"); + + return retval; +} + +/* cyttsp_initialize: Driver Initialization. This function takes + * care of the following tasks: + * 1. Create and register an input device with input layer + * 2. Take CYTTSP device out of bootloader mode; go operational + * 3. Start any timers/Work queues. */ +static int cyttsp_initialize(struct i2c_client *client, struct cyttsp *ts) +{ + struct input_dev *input_device; + int error = 0; + int retval = CY_OK; + u8 id; + + /* Create the input device and register it. */ + input_device = input_allocate_device(); + if (!input_device) { + error = -ENOMEM; + cyttsp_xdebug1("err input allocate device\n"); + goto error_free_device; + } + + if (!client) { + error = ~ENODEV; + cyttsp_xdebug1("err client is Null\n"); + goto error_free_device; + } + + if (!ts) { + error = ~ENODEV; + cyttsp_xdebug1("err context is Null\n"); + goto error_free_device; + } + + ts->input = input_device; + input_device->name = CY_I2C_NAME; + input_device->phys = ts->phys; + input_device->dev.parent = &client->dev; + + /* init the touch structures */ + ts->num_prv_st_tch = CY_NTCH; + for (id = 0; id < CY_NUM_TRK_ID; id++) { + ts->act_trk[id] = CY_NTCH; + ts->prv_mt_pos[id][CY_XPOS] = 0; + ts->prv_mt_pos[id][CY_YPOS] = 0; + } + + for (id = 0; id < CY_NUM_MT_TCH_ID; id++) + ts->prv_mt_tch[id] = CY_IGNR_TCH; + + for (id = 0; id < CY_NUM_ST_TCH_ID; id++) + ts->prv_st_tch[id] = CY_IGNR_TCH; + + set_bit(EV_SYN, input_device->evbit); + set_bit(EV_KEY, input_device->evbit); + set_bit(EV_ABS, input_device->evbit); + set_bit(BTN_TOUCH, input_device->keybit); + set_bit(BTN_2, input_device->keybit); + if (ts->platform_data->use_gestures) + set_bit(BTN_3, input_device->keybit); + + input_set_abs_params(input_device, + ABS_X, 0, ts->platform_data->maxx, 0, 0); + input_set_abs_params(input_device, + ABS_Y, 0, ts->platform_data->maxy, 0, 0); + input_set_abs_params(input_device, + ABS_TOOL_WIDTH, 0, CY_LARGE_TOOL_WIDTH, 0 , 0); + input_set_abs_params(input_device, + ABS_PRESSURE, 0, CY_MAXZ, 0, 0); + input_set_abs_params(input_device, + ABS_HAT0X, 0, ts->platform_data->maxx, 0, 0); + input_set_abs_params(input_device, + ABS_HAT0Y, 0, ts->platform_data->maxy, 0, 0); + if (ts->platform_data->use_gestures) { + input_set_abs_params(input_device, + ABS_HAT1X, 0, CY_MAXZ, 0, 0); + input_set_abs_params(input_device, + ABS_HAT1Y, 0, CY_MAXZ, 0, 0); + } + if (ts->platform_data->use_mt) { + input_set_abs_params(input_device, + ABS_MT_POSITION_X, 0, ts->platform_data->maxx, 0, 0); + input_set_abs_params(input_device, + ABS_MT_POSITION_Y, 0, ts->platform_data->maxy, 0, 0); + input_set_abs_params(input_device, + ABS_MT_TOUCH_MAJOR, 0, CY_MAXZ, 0, 0); + input_set_abs_params(input_device, + ABS_MT_WIDTH_MAJOR, 0, CY_LARGE_TOOL_WIDTH, 0, 0); + if (ts->platform_data->use_trk_id) { + input_set_abs_params(input_device, + ABS_MT_TRACKING_ID, 0, CY_NUM_TRK_ID, 0, 0); + } + } + + /* set dummy key to make driver work with virtual keys */ + input_set_capability(input_device, EV_KEY, KEY_PROG1); + + cyttsp_info("%s: Register input device\n", CY_I2C_NAME); + error = input_register_device(input_device); + if (error) { + cyttsp_alert("%s: Failed to register input device\n", \ + CY_I2C_NAME); + retval = error; + goto error_free_device; + } + + /* Prepare our worker structure prior to setting up the timer/ISR */ + INIT_WORK(&ts->work, cyttsp_xy_worker); + + /* Power on the chip and make sure that I/Os are set as specified + * in the platform */ + if (ts->platform_data->init) + retval = ts->platform_data->init(client); + + if (!(retval < CY_OK)) + retval = cyttsp_power_on(ts); + + if (retval < 0) + goto error_free_device; + + /* Timer or Interrupt setup */ + if (ts->client->irq == 0) { + cyttsp_info("Setting up timer\n"); + setup_timer(&ts->timer, cyttsp_timer, (unsigned long) ts); + mod_timer(&ts->timer, jiffies + TOUCHSCREEN_TIMEOUT); + } else { + cyttsp_info("Setting up interrupt\n"); + /* request_irq() will also call enable_irq() */ + error = request_irq(client->irq, cyttsp_irq, + IRQF_TRIGGER_FALLING, + client->dev.driver->name, ts); + if (error) { + cyttsp_alert("error: could not request irq\n"); + retval = error; + goto error_free_irq; + } + } + + irq_cnt = 0; + irq_cnt_total = 0; + irq_err_cnt = 0; + + atomic_set(&ts->irq_enabled, 1); + retval = device_create_file(&ts->client->dev, &dev_attr_irq_enable); + if (retval < CY_OK) { + cyttsp_alert("File device creation failed: %d\n", retval); + retval = -ENODEV; + goto error_free_irq; + } + + cyttsp_info("%s: Successful registration\n", CY_I2C_NAME); + goto success; + +error_free_irq: + cyttsp_alert("Error: Failed to register IRQ handler\n"); + free_irq(client->irq, ts); + +error_free_device: + if (input_device) + input_free_device(input_device); + +success: + return retval; +} + +/* I2C driver probe function */ +static int __devinit cyttsp_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct cyttsp *ts; + int error; + int retval = CY_OK; + + cyttsp_info("Start Probe 1.2\n"); + + /* allocate and clear memory */ + ts = kzalloc(sizeof(struct cyttsp), GFP_KERNEL); + if (ts == NULL) { + cyttsp_xdebug1("err kzalloc for cyttsp\n"); + retval = -ENOMEM; + } + + if (!(retval < CY_OK)) { + /* register driver_data */ + ts->client = client; + ts->platform_data = client->dev.platform_data; + i2c_set_clientdata(client, ts); + + error = cyttsp_initialize(client, ts); + if (error) { + cyttsp_xdebug1("err cyttsp_initialize\n"); + if (ts != NULL) { + /* deallocate memory */ + kfree(ts); + } +/* + i2c_del_driver(&cyttsp_driver); +*/ + retval = -ENODEV; + } else + cyttsp_openlog(); + } + +#ifdef CONFIG_HAS_EARLYSUSPEND + if (!(retval < CY_OK)) { + ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1; + ts->early_suspend.suspend = cyttsp_early_suspend; + ts->early_suspend.resume = cyttsp_late_resume; + register_early_suspend(&ts->early_suspend); + } +#endif /* CONFIG_HAS_EARLYSUSPEND */ + + cyttsp_info("Start Probe %s\n", \ + (retval < CY_OK) ? "FAIL" : "PASS"); + + return retval; +} + +/* Function to manage power-on resume */ +static int cyttsp_resume(struct i2c_client *client) +{ + struct cyttsp *ts; + int retval = CY_OK; + + cyttsp_debug("Wake Up\n"); + ts = (struct cyttsp *) i2c_get_clientdata(client); + + /* re-enable the interrupt prior to wake device */ + if (ts->client->irq) + enable_irq(ts->client->irq); + + if (ts->platform_data->use_sleep && + (ts->platform_data->power_state != CY_ACTIVE_STATE)) { + if (ts->platform_data->resume) + retval = ts->platform_data->resume(client); + if (!(retval < CY_OK)) { + retval = i2c_smbus_read_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(struct cyttsp_bootloader_data_t), + (u8 *)&g_bl_data); + if (!(retval < CY_OK) && + GET_BOOTLOADERMODE(g_bl_data.bl_status)) { + u8 tries; + retval = i2c_smbus_write_i2c_block_data( + ts->client, + CY_REG_BASE, + sizeof(bl_cmd), bl_cmd); + /* switch back to operational mode */ + tries = 0; + mdelay(10); + while (GET_BOOTLOADERMODE(g_bl_data.bl_status) + && tries++ < 10) { + mdelay(100); + cyttsp_putbl(ts, 16, + false, false, false); + } + } + } + } + + if (!(retval < CY_OK) && + (GET_HSTMODE(g_bl_data.bl_file) == CY_OK)) { + ts->platform_data->power_state = CY_ACTIVE_STATE; + + /* re-enable the timer after resuming */ + if (ts->client->irq == 0) + mod_timer(&ts->timer, jiffies + TOUCHSCREEN_TIMEOUT); + } else + retval = -ENODEV; + + cyttsp_debug("Wake Up %s\n", \ + (retval < CY_OK) ? "FAIL" : "PASS"); + + return retval; +} + + +/* Function to manage low power suspend */ +static int cyttsp_suspend(struct i2c_client *client, pm_message_t message) +{ + struct cyttsp *ts; + u8 sleep_mode = CY_OK; + int retval = CY_OK; + + cyttsp_debug("Enter Sleep\n"); + ts = (struct cyttsp *) i2c_get_clientdata(client); + + /* disable worker */ + if (ts->client->irq == 0) + del_timer(&ts->timer); + else + disable_irq_nosync(ts->client->irq); + retval = cancel_work_sync(&ts->work); + + if (retval) + enable_irq(ts->client->irq); + + if (!(retval < CY_OK)) { + if (ts->platform_data->use_sleep && + (ts->platform_data->power_state == CY_ACTIVE_STATE)) { + if (ts->platform_data->use_sleep & CY_USE_DEEP_SLEEP_SEL) + sleep_mode = CY_DEEP_SLEEP_MODE; + else + sleep_mode = CY_LOW_PWR_MODE; + + retval = i2c_smbus_write_i2c_block_data(ts->client, + CY_REG_BASE, + sizeof(sleep_mode), &sleep_mode); + } + } + + if (!(retval < CY_OK)) { + if (sleep_mode == CY_DEEP_SLEEP_MODE) + ts->platform_data->power_state = CY_SLEEP_STATE; + else if (sleep_mode == CY_LOW_PWR_MODE) + ts->platform_data->power_state = CY_LOW_PWR_STATE; + } + + cyttsp_debug("Sleep Power state is %s\n", \ + (ts->platform_data->power_state == CY_ACTIVE_STATE) ? \ + "ACTIVE" : \ + ((ts->platform_data->power_state == CY_SLEEP_STATE) ? \ + "SLEEP" : "LOW POWER")); + + return retval; +} + +/* registered in driver struct */ +static int __devexit cyttsp_remove(struct i2c_client *client) +{ + struct cyttsp *ts; + int err; + + cyttsp_alert("Unregister\n"); + + /* clientdata registered on probe */ + ts = i2c_get_clientdata(client); + device_remove_file(&ts->client->dev, &dev_attr_irq_enable); + + /* Start cleaning up by removing any delayed work and the timer */ + if (cancel_delayed_work((struct delayed_work *)&ts->work) < CY_OK) + cyttsp_alert("error: could not remove work from workqueue\n"); + + /* free up timer or irq */ + if (ts->client->irq == 0) { + err = del_timer(&ts->timer); + if (err < CY_OK) + cyttsp_alert("error: failed to delete timer\n"); + } else + free_irq(client->irq, ts); + +#ifdef CONFIG_HAS_EARLYSUSPEND + unregister_early_suspend(&ts->early_suspend); +#endif /* CONFIG_HAS_EARLYSUSPEND */ + + /* housekeeping */ + if (ts != NULL) + kfree(ts); + + cyttsp_alert("Leaving\n"); + + return 0; +} + +#ifdef CONFIG_HAS_EARLYSUSPEND +static void cyttsp_early_suspend(struct early_suspend *handler) +{ + struct cyttsp *ts; + + ts = container_of(handler, struct cyttsp, early_suspend); + cyttsp_suspend(ts->client, PMSG_SUSPEND); +} + +static void cyttsp_late_resume(struct early_suspend *handler) +{ + struct cyttsp *ts; + + ts = container_of(handler, struct cyttsp, early_suspend); + cyttsp_resume(ts->client); +} +#endif /* CONFIG_HAS_EARLYSUSPEND */ + +static int cyttsp_init(void) +{ + int ret; + + cyttsp_info("Cypress TrueTouch(R) Standard Product\n"); + cyttsp_info("I2C Touchscreen Driver (Built %s @ %s)\n", \ + __DATE__, __TIME__); + + cyttsp_ts_wq = create_singlethread_workqueue("cyttsp_ts_wq"); + if (cyttsp_ts_wq == NULL) { + cyttsp_debug("No memory for cyttsp_ts_wq\n"); + return -ENOMEM; + } + + ret = i2c_add_driver(&cyttsp_driver); + + return ret; +} + +static void cyttsp_exit(void) +{ + if (cyttsp_ts_wq) + destroy_workqueue(cyttsp_ts_wq); + return i2c_del_driver(&cyttsp_driver); +} + +module_init(cyttsp_init); +module_exit(cyttsp_exit); + diff --git a/include/linux/cyttsp.h b/include/linux/cyttsp.h new file mode 100644 index 0000000..2ab1a5c --- /dev/null +++ b/include/linux/cyttsp.h @@ -0,0 +1,649 @@ +/* Header file for: + * Cypress TrueTouch(TM) Standard Product touchscreen drivers. + * include/linux/cyttsp.h + * + * Copyright (C) 2009, 2010 Cypress Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2, and only version 2, as published by the + * Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Cypress reserves the right to make changes without further notice + * to the materials described herein. Cypress does not assume any + * liability arising out of the application described herein. + * + * Contact Cypress Semiconductor at www.cypress.com + * + */ + + +#ifndef __CYTTSP_H__ +#define __CYTTSP_H__ + +#include +#include +#include +#include +#include + +#define CYPRESS_TTSP_NAME "cyttsp" +#define CY_I2C_NAME "cyttsp-i2c" +#define CY_SPI_NAME "cyttsp-spi" + +#ifdef CY_DECLARE_GLOBALS + uint32_t cyttsp_tsdebug; + module_param_named(tsdebug, cyttsp_tsdebug, uint, 0664); + uint32_t cyttsp_tsxdebug; + module_param_named(tsxdebug, cyttsp_tsxdebug, uint, 0664); + + uint32_t cyttsp_disable_touch; + module_param_named(disable_touch, cyttsp_disable_touch, uint, 0664); +#else + extern uint32_t cyttsp_tsdebug; + extern uint32_t cyttsp_tsxdebug; + extern uint32_t cyttsp_disable_touch; +#endif + + + +/****************************************************************************** + * Global Control, Used to control the behavior of the driver + */ + +/* defines for Gen2 (Txx2xx); Gen3 (Txx3xx) + * use these defines to set cyttsp_platform_data.gen in board config file + */ +#define CY_GEN2 2 +#define CY_GEN3 3 + +/* define for using I2C driver + */ +#define CY_USE_I2C_DRIVER + +/* defines for using SPI driver */ +/* +#define CY_USE_SPI_DRIVER + */ +#define CY_SPI_DFLT_SPEED_HZ 1000000 +#define CY_SPI_MAX_SPEED_HZ 4000000 +#define CY_SPI_SPEED_HZ CY_SPI_DFLT_SPEED_HZ +#define CY_SPI_BITS_PER_WORD 8 +#define CY_SPI_DAV 139 /* set correct gpio id */ +#define CY_SPI_BUFSIZE 512 + + +/* define for inclusion of TTSP App Update Load File + * use this define if update to the TTSP Device is desired + */ +/* +#define CY_INCLUDE_LOAD_FILE +*/ + +/* define if force new load file for bootloader load */ +/* +#define CY_FORCE_FW_UPDATE +*/ + +/* undef for production use */ +/* + */ +#define CY_USE_DEBUG + +/* undef for irq use; use this define in the board configuration file */ +/* +#define CY_USE_TIMER + */ + +/* undef to allow use of extra debug capability */ +/* +#define CY_ALLOW_EXTRA_DEBUG +*/ + +/* undef to remove additional debug prints */ +/* +#define CY_USE_EXTRA_DEBUG +*/ + +/* undef to remove additional debug prints */ +/* +#define CY_USE_EXTRA_DEBUG1 + */ + +/* undef to use operational touch timer jiffies; else use test jiffies */ +/* +#define CY_USE_TIMER_DEBUG + */ + +/* define to use canned test data */ +/* +#define CY_USE_TEST_DATA + */ + +/* define to activate power management */ +/* +#define CY_USE_LOW_POWER + */ + +/* define if wake on i2c addr is activated */ +/* +#define CY_USE_DEEP_SLEEP + */ + +/* define if gesture signaling is used + * and which gesture groups to use + */ +/* +#define CY_USE_GEST +#define CY_USE_GEST_GRP1 +#define CY_USE_GEST_GRP2 +#define CY_USE_GEST_GRP3 +#define CY_USE_GEST_GRP4 + */ +/* Active distance in pixels for a gesture to be reported + * if set to 0, then all gesture movements are reported + */ +#define CY_ACT_DIST_DFLT 8 +#define CY_ACT_DIST CY_ACT_DIST_DFLT + +/* define if MT signals are desired */ +/* +*/ +#define CY_USE_MT_SIGNALS + +/* define if MT tracking id signals are used */ +/* +#define CY_USE_MT_TRACK_ID + */ + +/* define if ST signals are required */ +/* +#define CY_USE_ST_SIGNALS +*/ + +/* define to send handshake to device */ +/* +#define CY_USE_HNDSHK +*/ + +/* define if log all raw motion signals to a sysfs file */ +/* +#define CY_LOG_TO_FILE +*/ + + +/* End of the Global Control section + ****************************************************************************** + */ +#define CY_DIFF(m, n) ((m) != (n)) + +#ifdef CY_LOG_TO_FILE + #define cyttsp_openlog() /* use sysfs */ +#else + #define cyttsp_openlog() +#endif /* CY_LOG_TO_FILE */ + +/* see kernel.h for pr_xxx def'ns */ +#define cyttsp_info(f, a...) pr_info("%s:" f, __func__ , ## a) +#define cyttsp_error(f, a...) pr_err("%s:" f, __func__ , ## a) +#define cyttsp_alert(f, a...) pr_alert("%s:" f, __func__ , ## a) + +#ifdef CY_USE_DEBUG + #define cyttsp_debug(f, a...) pr_alert("%s:" f, __func__ , ## a) +#else + #define cyttsp_debug(f, a...) {if (cyttsp_tsdebug) \ + pr_alert("%s:" f, __func__ , ## a); } +#endif /* CY_USE_DEBUG */ + +#ifdef CY_ALLOW_EXTRA_DEBUG +#ifdef CY_USE_EXTRA_DEBUG + #define cyttsp_xdebug(f, a...) pr_alert("%s:" f, __func__ , ## a) +#else + #define cyttsp_xdebug(f, a...) {if (cyttsp_tsxdebug) \ + pr_alert("%s:" f, __func__ , ## a); } +#endif /* CY_USE_EXTRA_DEBUG */ + +#ifdef CY_USE_EXTRA_DEBUG1 + #define cyttsp_xdebug1(f, a...) pr_alert("%s:" f, __func__ , ## a) +#else + #define cyttsp_xdebug1(f, a...) +#endif /* CY_USE_EXTRA_DEBUG1 */ +#else + #define cyttsp_xdebug(f, a...) + #define cyttsp_xdebug1(f, a...) +#endif /* CY_ALLOW_EXTRA_DEBUG */ + +#ifdef CY_USE_TIMER_DEBUG + #define TOUCHSCREEN_TIMEOUT (msecs_to_jiffies(1000)) +#else + #define TOUCHSCREEN_TIMEOUT (msecs_to_jiffies(28)) +#endif + +/* reduce extra signals in MT only build + * be careful not to lose backward compatibility for pre-MT apps + */ +#ifdef CY_USE_ST_SIGNALS + #define CY_USE_ST 1 +#else + #define CY_USE_ST 0 +#endif /* CY_USE_ST_SIGNALS */ + +/* rely on kernel input.h to define Multi-Touch capability */ +/* if input.h defines the Multi-Touch signals, then use MT */ +#if defined(ABS_MT_TOUCH_MAJOR) && defined(CY_USE_MT_SIGNALS) + #define CY_USE_MT 1 + #define CY_MT_SYNC(input) input_mt_sync(input) +#else + #define CY_USE_MT 0 + #define CY_MT_SYNC(input) + /* the following includes are provided to ensure a compile; + * the code that compiles with these defines will not be executed if + * the CY_USE_MT is properly used in the platform structure init + */ + #ifndef ABS_MT_TOUCH_MAJOR + #define ABS_MT_TOUCH_MAJOR 0x30 /* touching ellipse */ + #define ABS_MT_TOUCH_MINOR 0x31 /* (omit if circular) */ + #define ABS_MT_WIDTH_MAJOR 0x32 /* approaching ellipse */ + #define ABS_MT_WIDTH_MINOR 0x33 /* (omit if circular) */ + #define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */ + #define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ + #define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ + #define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */ + #define ABS_MT_BLOB_ID 0x38 /* Group set of pkts as blob */ + #endif /* ABS_MT_TOUCH_MAJOR */ +#endif /* ABS_MT_TOUCH_MAJOR and CY_USE_MT_SIGNALS */ +#if defined(ABS_MT_TRACKING_ID) && defined(CY_USE_MT_TRACK_ID) + #define CY_USE_TRACKING_ID 1 +#else + #define CY_USE_TRACKING_ID 0 +/* define only if not defined already by system; + * value based on linux kernel 2.6.30.10 + */ +#ifndef ABS_MT_TRACKING_ID + #define ABS_MT_TRACKING_ID (ABS_MT_BLOB_ID+1) +#endif +#endif /* ABS_MT_TRACKING_ID */ + +#ifdef CY_USE_DEEP_SLEEP + #define CY_USE_DEEP_SLEEP_SEL 0x80 +#else + #define CY_USE_DEEP_SLEEP_SEL 0x00 +#endif +#ifdef CY_USE_LOW_POWER + #define CY_USE_SLEEP (CY_USE_DEEP_SLEEP_SEL | 0x01) +#else + #define CY_USE_SLEEP 0x00 +#endif /* CY_USE_LOW_POWER */ + +#ifdef CY_USE_TEST_DATA + #define cyttsp_testdat(ray1, ray2, sizeofray) \ + { \ + int i; \ + u8 *up1 = (u8 *)ray1; \ + u8 *up2 = (u8 *)ray2; \ + for (i = 0; i < sizeofray; i++) { \ + up1[i] = up2[i]; \ + } \ + } +#else + #define cyttsp_testdat(xy, test_xy, sizeofray) +#endif /* CY_USE_TEST_DATA */ + +/* helper macros */ +#define GET_NUM_TOUCHES(x) ((x) & 0x0F) +#define GET_TOUCH1_ID(x) (((x) & 0xF0) >> 4) +#define GET_TOUCH2_ID(x) ((x) & 0x0F) +#define GET_TOUCH3_ID(x) (((x) & 0xF0) >> 4) +#define GET_TOUCH4_ID(x) ((x) & 0x0F) +#define IS_LARGE_AREA(x) (((x) & 0x10) >> 4) +#define FLIP_DATA_FLAG 0x01 +#define REVERSE_X_FLAG 0x02 +#define REVERSE_Y_FLAG 0x04 +#define FLIP_DATA(flags) ((flags) & FLIP_DATA_FLAG) +#define REVERSE_X(flags) ((flags) & REVERSE_X_FLAG) +#define REVERSE_Y(flags) ((flags) & REVERSE_Y_FLAG) +#define FLIP_XY(x, y) { \ + u16 tmp; \ + tmp = (x); \ + (x) = (y); \ + (y) = tmp; \ + } +#define INVERT_X(x, xmax) ((xmax) - (x)) +#define INVERT_Y(y, ymax) ((ymax) - (y)) +#define SET_HSTMODE(reg, mode) ((reg) & (mode)) +#define GET_HSTMODE(reg) ((reg & 0x70) >> 4) +#define GET_BOOTLOADERMODE(reg) ((reg & 0x10) >> 4) + +/* constant definitions */ +/* maximum number of concurrent ST track IDs */ +#define CY_NUM_ST_TCH_ID 2 + +/* maximum number of concurrent MT track IDs */ +#define CY_NUM_MT_TCH_ID 4 + +/* maximum number of track IDs */ +#define CY_NUM_TRK_ID 16 + +#define CY_NTCH 0 /* no touch (lift off) */ +#define CY_TCH 1 /* active touch (touchdown) */ +#define CY_ST_FNGR1_IDX 0 +#define CY_ST_FNGR2_IDX 1 +#define CY_MT_TCH1_IDX 0 +#define CY_MT_TCH2_IDX 1 +#define CY_MT_TCH3_IDX 2 +#define CY_MT_TCH4_IDX 3 +#define CY_XPOS 0 +#define CY_YPOS 1 +#define CY_IGNR_TCH (-1) +#define CY_SMALL_TOOL_WIDTH 10 +#define CY_LARGE_TOOL_WIDTH 255 +#define CY_REG_BASE 0x00 +#define CY_REG_GEST_SET 0x1E +#define CY_REG_ACT_INTRVL 0x1D +#define CY_REG_TCH_TMOUT (CY_REG_ACT_INTRVL+1) +#define CY_REG_LP_INTRVL (CY_REG_TCH_TMOUT+1) +#define CY_SOFT_RESET ((1 << 0)) +#define CY_DEEP_SLEEP ((1 << 1)) +#define CY_LOW_POWER ((1 << 2)) +#define CY_MAXZ 255 +#define CY_OK 0 +#define CY_INIT 1 +#define CY_DLY_DFLT 10 /* ms */ +#define CY_DLY_SYSINFO 20 /* ms */ +#define CY_DLY_BL 300 +#define CY_DLY_DNLOAD 100 /* ms */ +#define CY_NUM_RETRY 4 /* max num touch data read */ + +/* handshake bit in the hst_mode reg */ +#define CY_HNDSHK_BIT 0x80 +#ifdef CY_USE_HNDSHK + #define CY_SEND_HNDSHK 1 +#else + #define CY_SEND_HNDSHK 0 +#endif + +/* Bootloader File 0 offset */ +#define CY_BL_FILE0 0x00 + +/* Bootloader command directive */ +#define CY_BL_CMD 0xFF + +/* Bootloader Initiate Bootload */ +#define CY_BL_INIT_LOAD 0x38 + +/* Bootloader Write a Block */ +#define CY_BL_WRITE_BLK 0x39 + +/* Bootloader Terminate Bootload */ +#define CY_BL_TERMINATE 0x3B + +/* Bootloader Exit and Verify Checksum command */ +#define CY_BL_EXIT 0xA5 + +/* Bootloader default keys */ +#define CY_BL_KEY0 0x00 +#define CY_BL_KEY1 0x01 +#define CY_BL_KEY2 0x02 +#define CY_BL_KEY3 0x03 +#define CY_BL_KEY4 0x04 +#define CY_BL_KEY5 0x05 +#define CY_BL_KEY6 0x06 +#define CY_BL_KEY7 0x07 + +/* Active Power state scanning/processing refresh interval */ +#define CY_ACT_INTRVL_DFLT 0x00 + +/* touch timeout for the Active power */ +#define CY_TCH_TMOUT_DFLT 0xFF + +/* Low Power state scanning/processing refresh interval */ +#define CY_LP_INTRVL_DFLT 0x0A + +#define CY_IDLE_STATE 0 +#define CY_ACTIVE_STATE 1 +#define CY_LOW_PWR_STATE 2 +#define CY_SLEEP_STATE 3 + +/* device mode bits */ +#define CY_OP_MODE 0x00 +#define CY_SYSINFO_MODE 0x10 + +/* power mode select bits */ +#define CY_SOFT_RESET_MODE 0x01 /* return to Bootloader mode */ +#define CY_DEEP_SLEEP_MODE 0x02 +#define CY_LOW_PWR_MODE 0x04 + +#define CY_NUM_KEY 8 + +#ifdef CY_USE_GEST + #define CY_USE_GESTURES 1 +#else + #define CY_USE_GESTURES 0 +#endif /* CY_USE_GESTURE_SIGNALS */ + +#ifdef CY_USE_GEST_GRP1 + #define CY_GEST_GRP1 0x10 +#else + #define CY_GEST_GRP1 0x00 +#endif /* CY_USE_GEST_GRP1 */ +#ifdef CY_USE_GEST_GRP2 + #define CY_GEST_GRP2 0x20 +#else + #define CY_GEST_GRP2 0x00 +#endif /* CY_USE_GEST_GRP2 */ +#ifdef CY_USE_GEST_GRP3 + #define CY_GEST_GRP3 0x40 +#else + #define CY_GEST_GRP3 0x00 +#endif /* CY_USE_GEST_GRP3 */ +#ifdef CY_USE_GEST_GRP4 + #define CY_GEST_GRP4 0x80 +#else + #define CY_GEST_GRP4 0x00 +#endif /* CY_USE_GEST_GRP4 */ + + +struct cyttsp_platform_data { + u32 maxx; + u32 maxy; + u32 flags; + u8 gen; + u8 use_st; + u8 use_mt; + u8 use_hndshk; + u8 use_trk_id; + u8 use_sleep; + u8 use_gestures; + u8 gest_set; + u8 act_intrvl; + u8 tch_tmout; + u8 lp_intrvl; + u8 power_state; +#ifdef CY_USE_I2C_DRIVER + s32 (*init)(struct i2c_client *client); + s32 (*resume)(struct i2c_client *client); +#endif +#ifdef CY_USE_SPI_DRIVER + s32 (*init)(struct spi_device *spi); + s32 (*resume)(struct spi_device *spi); +#endif +}; + +/* TrueTouch Standard Product Gen3 (Txx3xx) interface definition */ +struct cyttsp_gen3_xydata_t { + u8 hst_mode; + u8 tt_mode; + u8 tt_stat; + u16 x1 __attribute__ ((packed)); + u16 y1 __attribute__ ((packed)); + u8 z1; + u8 touch12_id; + u16 x2 __attribute__ ((packed)); + u16 y2 __attribute__ ((packed)); + u8 z2; + u8 gest_cnt; + u8 gest_id; + u16 x3 __attribute__ ((packed)); + u16 y3 __attribute__ ((packed)); + u8 z3; + u8 touch34_id; + u16 x4 __attribute__ ((packed)); + u16 y4 __attribute__ ((packed)); + u8 z4; + u8 tt_undef[3]; + u8 gest_set; + u8 tt_reserved; +}; + +/* TrueTouch Standard Product Gen2 (Txx2xx) interface definition */ +#define CY_GEN2_NOTOUCH 0x03 /* Both touches removed */ +#define CY_GEN2_GHOST 0x02 /* ghost */ +#define CY_GEN2_2TOUCH 0x03 /* 2 touch; no ghost */ +#define CY_GEN2_1TOUCH 0x01 /* 1 touch only */ +#define CY_GEN2_TOUCH2 0x01 /* 1st touch removed; + * 2nd touch remains */ +struct cyttsp_gen2_xydata_t { + u8 hst_mode; + u8 tt_mode; + u8 tt_stat; + u16 x1 __attribute__ ((packed)); + u16 y1 __attribute__ ((packed)); + u8 z1; + u8 evnt_idx; + u16 x2 __attribute__ ((packed)); + u16 y2 __attribute__ ((packed)); + u8 tt_undef1; + u8 gest_cnt; + u8 gest_id; + u8 tt_undef[14]; + u8 gest_set; + u8 tt_reserved; +}; + +/* TTSP System Information interface definition */ +struct cyttsp_sysinfo_data_t { + u8 hst_mode; + u8 mfg_cmd; + u8 mfg_stat; + u8 cid[3]; + u8 tt_undef1; + u8 uid[8]; + u8 bl_verh; + u8 bl_verl; + u8 tts_verh; + u8 tts_verl; + u8 app_idh; + u8 app_idl; + u8 app_verh; + u8 app_verl; + u8 tt_undef[6]; + u8 act_intrvl; + u8 tch_tmout; + u8 lp_intrvl; +}; + +/* TTSP Bootloader Register Map interface definition */ +#define CY_BL_CHKSUM_OK 0x01 +struct cyttsp_bootloader_data_t { + u8 bl_file; + u8 bl_status; + u8 bl_error; + u8 blver_hi; + u8 blver_lo; + u8 bld_blver_hi; + u8 bld_blver_lo; + u8 ttspver_hi; + u8 ttspver_lo; + u8 appid_hi; + u8 appid_lo; + u8 appver_hi; + u8 appver_lo; + u8 cid_0; + u8 cid_1; + u8 cid_2; +}; + +#define cyttsp_wake_data_t cyttsp_gen3_xydata_t +#ifdef CY_DECLARE_GLOBALS + #ifdef CY_INCLUDE_LOAD_FILE + /* this file declares: + * firmware download block array (cyttsp_fw[]), + * the number of command block records (cyttsp_fw_records), + * and the version variables + */ + #include "cyttsp_fw.h" /* imports cyttsp_fw[] array */ + #define cyttsp_app_load() 1 + #ifdef CY_FORCE_FW_UPDATE + #define cyttsp_force_fw_load() 1 + #else + #define cyttsp_force_fw_load() 0 + #endif + + #else + /* the following declarations are to allow + * some debugging capability + */ + unsigned char cyttsp_fw_tts_verh = 0x00; + unsigned char cyttsp_fw_tts_verl = 0x01; + unsigned char cyttsp_fw_app_idh = 0x02; + unsigned char cyttsp_fw_app_idl = 0x03; + unsigned char cyttsp_fw_app_verh = 0x04; + unsigned char cyttsp_fw_app_verl = 0x05; + unsigned char cyttsp_fw_cid_0 = 0x06; + unsigned char cyttsp_fw_cid_1 = 0x07; + unsigned char cyttsp_fw_cid_2 = 0x08; + #define cyttsp_app_load() 0 + #define cyttsp_force_fw_load() 0 + #endif + #define cyttsp_tts_verh() cyttsp_fw_tts_verh + #define cyttsp_tts_verl() cyttsp_fw_tts_verl + #define cyttsp_app_idh() cyttsp_fw_app_idh + #define cyttsp_app_idl() cyttsp_fw_app_idl + #define cyttsp_app_verh() cyttsp_fw_app_verh + #define cyttsp_app_verl() cyttsp_fw_app_verl + #define cyttsp_cid_0() cyttsp_fw_cid_0 + #define cyttsp_cid_1() cyttsp_fw_cid_1 + #define cyttsp_cid_2() cyttsp_fw_cid_2 + #ifdef CY_USE_TEST_DATA + static struct cyttsp_gen2_xydata_t tt_gen2_testray[] = { + {0x00}, {0x00}, {0x04}, + {0x4000}, {0x8000}, {0x80}, + {0x03}, + {0x2000}, {0x1000}, {0x00}, + {0x00}, + {0x00}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0x00}, + {0x00} + }; + + static struct cyttsp_gen3_xydata_t tt_gen3_testray[] = { + {0x00}, {0x00}, {0x04}, + {0x4000}, {0x8000}, {0x80}, + {0x12}, + {0x2000}, {0x1000}, {0xA0}, + {0x00}, {0x00}, + {0x8000}, {0x4000}, {0xB0}, + {0x34}, + {0x4000}, {0x1000}, {0xC0}, + {0x00, 0x00, 0x00}, + {0x00}, + {0x00} + }; + #endif /* CY_USE_TEST_DATA */ + +#else + extern u8 g_appload_ray[]; +#endif + +#endif /* __CYTTSP_H__ */ -- 1.6.3.3 --------------------------------------------------------------- This message and any attachments may contain Cypress (or its subsidiaries) confidential information. 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