diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch')
| -rwxr-xr-x | packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch | 143 |
1 files changed, 51 insertions, 92 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch b/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch index 28b9c557d3..40ed7f4605 100755 --- a/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch +++ b/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch @@ -1,7 +1,7 @@ Index: linux-2.6.21/drivers/input/touchscreen/Kconfig =================================================================== ---- linux-2.6.21.orig/drivers/input/touchscreen/Kconfig 2007-06-02 20:17:58.000000000 -0300 -+++ linux-2.6.21/drivers/input/touchscreen/Kconfig 2007-06-02 20:18:40.000000000 -0300 +--- linux-2.6.21.orig/drivers/input/touchscreen/Kconfig 2007-08-31 22:27:48.000000000 -0300 ++++ linux-2.6.21/drivers/input/touchscreen/Kconfig 2007-08-31 23:06:39.000000000 -0300 @@ -164,4 +164,13 @@ To compile this driver as a module, choose M here: the module will be called ucb1400_ts. @@ -19,8 +19,8 @@ Index: linux-2.6.21/drivers/input/touchscreen/Kconfig Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.21/drivers/input/touchscreen/pcap_ts.c 2007-06-02 20:19:39.000000000 -0300 -@@ -0,0 +1,372 @@ ++++ linux-2.6.21/drivers/input/touchscreen/pcap_ts.c 2007-08-31 23:57:56.000000000 -0300 +@@ -0,0 +1,331 @@ +/* + * pcap_ts.c - Touchscreen driver for Motorola PCAP2 based touchscreen as found + * in the EZX phone platform. @@ -58,23 +58,21 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c +#define DEBUGP(x, args ...) +#endif + -+#define PRESSURE 1 -+#define COORDINATE 2 -+#define STANDBY 3 -+ -+extern int ezx_pcap_read(u_int8_t, u_int32_t *); -+extern int ezx_pcap_write(u_int8_t, u_int32_t); -+extern int ezx_pcap_bit_set(u_int32_t, u_int8_t); ++#define POSITION_X_MEASUREMENT 0 ++#define POSITION_XY_MEASUREMENT 1 ++#define PRESSURE_MEASUREMENT 2 ++#define PLATE_X_MEASUREMENT 3 ++#define PLATE_Y_MEASUREMENT 4 ++#define STANDBY_MODE 5 ++#define NONTS_MODE 6 + +struct pcap_ts { + int irq_xy; + int irq_touch; + struct input_dev *input; + struct timer_list timer; -+ + u_int16_t x, y; + u_int16_t pressure; -+ + u_int8_t read_state; +}; + @@ -91,27 +89,31 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c +#define SAMPLE_INTERVAL (HZ/50) + + -+static void pcap_ts_mode(u_int32_t mode) ++static void pcap_ts_mode(struct pcap_ts *pcap_ts, u_int32_t mode) +{ + u_int32_t tmp; + -+ ezx_pcap_read(SSP_PCAP_ADJ_ADC1_REGISTER, &tmp); -+ tmp &= ~SSP_PCAP_TOUCH_PANEL_POSITION_DETECT_MODE_MASK; -+ tmp |= mode; -+ ezx_pcap_write(SSP_PCAP_ADJ_ADC1_REGISTER, tmp); ++ pcap_ts->read_state = mode; ++ ezx_pcap_read(PCAP_REG_ADC1, &tmp); ++ tmp &= ~PCAP_ADC1_TS_M_MASK; ++ tmp |= ((mode << PCAP_ADC1_TS_M_SHIFT) & PCAP_ADC1_TS_M_MASK); ++ ezx_pcap_write(PCAP_REG_ADC1, tmp); +} + -+/* issue a XY read command to the ADC of PCAP2. Well get an ADCDONE2 interrupt ++/* issue a XY read command to the ADC of PCAP2. Well get an ADCDONE interrupt + * once the result of the conversion is available */ +static void pcap_ts_start_xy_read(struct pcap_ts *pcap_ts) +{ + u_int32_t tmp; + -+ ezx_pcap_read(SSP_PCAP_ADJ_ADC1_REGISTER, &tmp); -+ tmp &= SSP_PCAP_ADC_START_VALUE_SET_MASK; -+ tmp |= SSP_PCAP_ADC_START_VALUE; -+ ezx_pcap_write(SSP_PCAP_ADJ_ADC1_REGISTER, tmp); -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_ADC2_ASC, 1); ++ ezx_pcap_read(PCAP_REG_ADC1, &tmp); ++ tmp &= ~(PCAP_BIT_ADC1_RAND | PCAP_ADC1_ADA1_MASK | ++ PCAP_ADC1_ADA2_MASK); ++ tmp |= (PCAP_BIT_ADC1_ADEN | PCAP_BIT_ADC1_AD_SEL1 | ++ PCAP_BIT_ADC1_AD_SEL2 | (5 << PCAP_ADC1_ADA1_SHIFT) | ++ (3 << PCAP_ADC1_ADA2_SHIFT)); ++ ezx_pcap_write(PCAP_REG_ADC1, tmp); ++ ezx_pcap_bit_set(PCAP_BIT_ADC2_ASC, 1); +} + +/* read the XY result from the ADC of PCAP2 */ @@ -119,17 +121,17 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c +{ + u_int32_t tmp; + -+ ezx_pcap_read(SSP_PCAP_ADJ_ADC2_REGISTER, &tmp); ++ ezx_pcap_read(PCAP_REG_ADC2, &tmp); + -+ if (pcap_ts->read_state == COORDINATE && !(tmp & 0x00400000)) { -+ pcap_ts->x = (tmp & SSP_PCAP_ADD1_VALUE_MASK); -+ pcap_ts->y = (tmp & SSP_PCAP_ADD2_VALUE_MASK) -+ >>SSP_PCAP_ADD2_VALUE_SHIFT; ++ if (pcap_ts->read_state == POSITION_XY_MEASUREMENT) { ++ pcap_ts->x = (tmp & PCAP_ADC2_ADD1_MASK) >> ++ PCAP_ADC2_ADD1_SHIFT; ++ pcap_ts->y = (tmp & PCAP_ADC2_ADD2_MASK) >> ++ PCAP_ADC2_ADD2_SHIFT; + } else { -+ pcap_ts->pressure = (tmp & SSP_PCAP_ADD2_VALUE_MASK) -+ >>SSP_PCAP_ADD2_VALUE_SHIFT; ++ pcap_ts->pressure = (tmp & PCAP_ADC2_ADD2_MASK) >> ++ PCAP_ADC2_ADD2_SHIFT; + } -+ +} + +/* PCAP2 interrupts us when ADC conversion result is available */ @@ -139,11 +141,10 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + + pcap_ts_get_xy_value(pcap_ts); + DEBUGP(KERN_DEBUG "%s X=%4d, Y=%4d Z=%4d ", -+ pcap_ts->read_state == COORDINATE ? "COORD" : "PRESS", -+ pcap_ts->x, pcap_ts->y, pcap_ts->pressure); -+ ++ pcap_ts->read_state == POSITION_XY_MEASUREMENT ? "COORD" : ++ "PRESS", pcap_ts->x, pcap_ts->y, pcap_ts->pressure); + switch (pcap_ts->read_state) { -+ case PRESSURE: ++ case PRESSURE_MEASUREMENT: + if (pcap_ts->pressure >= PRESSURE_MAX || + pcap_ts->pressure <= PRESSURE_MIN ) { + /* pen has been released (or cant read pressure - WM)*/ @@ -156,11 +157,10 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + input_report_abs(pcap_ts->input, ABS_PRESSURE, pcap_ts->pressure); + } + /* switch state machine into coordinate read mode */ -+ pcap_ts->read_state = COORDINATE; -+ pcap_ts_mode(PCAP_TS_POSITION_XY_MEASUREMENT); ++ pcap_ts_mode(pcap_ts, POSITION_XY_MEASUREMENT); + pcap_ts_start_xy_read(pcap_ts); + break; -+ case COORDINATE: ++ case POSITION_XY_MEASUREMENT: + if (pcap_ts->x <= X_AXIS_MIN || pcap_ts->x >= X_AXIS_MAX || + pcap_ts->y <= Y_AXIS_MIN || pcap_ts->y >= Y_AXIS_MAX) { + /* pen has been released */ @@ -175,17 +175,15 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + + /* ask PCAP2 to interrupt us if touch event happens + * again */ -+ pcap_ts->read_state = STANDBY; -+ pcap_ts_mode(PCAP_TS_STANDBY_MODE); -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0); ++ pcap_ts_mode(pcap_ts, STANDBY_MODE); ++ enable_irq(pcap_ts->irq_touch); + } else { + DEBUGP("DOWN\n"); + input_report_abs(pcap_ts->input, ABS_X, pcap_ts->x); + input_report_abs(pcap_ts->input, ABS_Y, pcap_ts->y); + + /* switch back to pressure read mode */ -+ pcap_ts->read_state = PRESSURE; -+ pcap_ts_mode(PCAP_TS_PRESSURE_MEASUREMENT); ++ pcap_ts_mode(pcap_ts, PRESSURE_MEASUREMENT); + mod_timer(&pcap_ts->timer, jiffies + SAMPLE_INTERVAL); + } + input_sync(pcap_ts->input); @@ -194,7 +192,6 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + DEBUGP("ERROR\n"); + break; + } -+ + return IRQ_HANDLED; +} + @@ -202,17 +199,14 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c +static irqreturn_t pcap_ts_irq_touch(int irq, void *dev_id) +{ + struct pcap_ts *pcap_ts = dev_id; -+ + /* mask Touchscreen interrupt bit, prevents further touch events + * from being reported to us until we're finished with reading + * both pressure and x/y from ADC */ -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 1); ++ disable_irq(pcap_ts->irq_touch); + + DEBUGP("touched!!\n"); -+ pcap_ts_mode(PCAP_TS_PRESSURE_MEASUREMENT); -+ pcap_ts->read_state = PRESSURE; ++ pcap_ts_mode(pcap_ts, PRESSURE_MEASUREMENT); + pcap_ts_start_xy_read(pcap_ts); -+ + return IRQ_HANDLED; +} + @@ -225,8 +219,6 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + +static int __init ezxts_probe(struct platform_device *pdev) +{ -+ int ret; -+ u_int32_t tmp; + struct pcap_ts *pcap_ts; + struct input_dev *input_dev; + int err = -ENOMEM; @@ -248,35 +240,8 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + goto fail; + } + -+ // Some initialization before done in ssp_pcap_open() -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_TS_REFENB, 0); -+ // ack interrupts -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ISR_ADCDONE2I, 1); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ISR_TSI, 1); -+ // unmask interrupts -+ // ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_MSR_TSM, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_MSR_ADCDONE2M, 0); -+ // set adc bits? FIXME I dont think its necessary - WM -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC2_ADINC1, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC2_ADINC2, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO0, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO1, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO2, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO3, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATOX, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_MTR1, 0); -+ ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_MTR2, 0); -+ -+ ret = ezx_pcap_read(SSP_PCAP_ADJ_ADC1_REGISTER, &tmp); -+ if (ret < 0) -+ return ret; -+ -+ tmp &= (~SSP_PCAP_TOUCH_PANEL_POSITION_DETECT_MODE_MASK); -+ tmp |= PCAP_TS_STANDBY_MODE; -+ -+ ret = ezx_pcap_write(SSP_PCAP_ADJ_ADC1_REGISTER, tmp); -+ if (ret < 0) -+ return ret; ++ ezx_pcap_bit_set(PCAP_BIT_ADC1_TS_REFENB, 0); ++ pcap_ts_mode(pcap_ts, STANDBY_MODE); + + err = request_irq(pcap_ts->irq_xy, pcap_ts_irq_xy, SA_INTERRUPT, + "pcap-ts X/Y", pcap_ts); @@ -301,12 +266,6 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + + platform_set_drvdata(pdev, pcap_ts); + -+ pcap_ts->read_state = STANDBY; -+ pcap_ts_mode(PCAP_TS_STANDBY_MODE); -+ -+ /* enable pressure interrupt */ -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0); -+ + input_dev->name = "pcap-touchscreen"; + input_dev->phys = "ezxts/input0"; + input_dev->id.bustype = BUS_HOST; @@ -353,15 +312,15 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c + +static int ezxts_suspend(struct platform_device *dev, pm_message_t state) +{ -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_ADC1_TS_REF_LOWPWR, 1); ++ ezx_pcap_bit_set(PCAP_BIT_ADC1_TS_REF_LOWPWR, 1); + return 0; +} + +static int ezxts_resume(struct platform_device *dev) +{ -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_ADC1_TS_REF_LOWPWR, 0); ++ ezx_pcap_bit_set(PCAP_BIT_ADC1_TS_REF_LOWPWR, 0); + /* just in case we suspend with TSI masked. */ -+ ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0); ++// ezx_pcap_bit_set(PCAP_BIT_MSR_TSM, 0); + return 0; +} + @@ -395,8 +354,8 @@ Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c +MODULE_LICENSE("GPL"); Index: linux-2.6.21/drivers/input/touchscreen/Makefile =================================================================== ---- linux-2.6.21.orig/drivers/input/touchscreen/Makefile 2007-06-02 20:17:58.000000000 -0300 -+++ linux-2.6.21/drivers/input/touchscreen/Makefile 2007-06-02 20:18:40.000000000 -0300 +--- linux-2.6.21.orig/drivers/input/touchscreen/Makefile 2007-08-31 22:27:48.000000000 -0300 ++++ linux-2.6.21/drivers/input/touchscreen/Makefile 2007-08-31 23:06:39.000000000 -0300 @@ -16,3 +16,4 @@ obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o |