* [PATCH 1/3] spi: remove obsolete spi-ti-ssp driver
2014-03-18 14:55 [PATCH 0/3] Remove obsolete tnetv107x drivers Arnd Bergmann
@ 2014-03-18 14:55 ` Arnd Bergmann
2014-03-18 17:33 ` Mark Brown
2014-03-18 14:56 ` [PATCH 2/3] mfd: remove obsolete ti-ssp driver Arnd Bergmann
2014-03-18 14:56 ` [PATCH 3/3] input: remove obsolete tnetv107x drivers Arnd Bergmann
2 siblings, 1 reply; 7+ messages in thread
From: Arnd Bergmann @ 2014-03-18 14:55 UTC (permalink / raw)
To: linux-arm-kernel
The tnetv107x platform is getting removed, so this driver
will not be needed any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-spi at vger.kernel.org
---
drivers/spi/Kconfig | 7 -
drivers/spi/Makefile | 1 -
drivers/spi/spi-ti-ssp.c | 378 -----------------------------------------------
3 files changed, 386 deletions(-)
delete mode 100644 drivers/spi/spi-ti-ssp.c
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 581ee2a..b243f2f 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -478,13 +478,6 @@ config SPI_TEGRA20_SLINK
help
SPI driver for Nvidia Tegra20/Tegra30 SLINK Controller interface.
-config SPI_TI_SSP
- tristate "TI Sequencer Serial Port - SPI Support"
- depends on MFD_TI_SSP
- help
- This selects an SPI master implementation using a TI sequencer
- serial port.
-
config SPI_TOPCLIFF_PCH
tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) SPI"
depends on PCI
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 95af48d..7da53af 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -73,7 +73,6 @@ obj-$(CONFIG_SPI_SIRF) += spi-sirf.o
obj-$(CONFIG_SPI_TEGRA114) += spi-tegra114.o
obj-$(CONFIG_SPI_TEGRA20_SFLASH) += spi-tegra20-sflash.o
obj-$(CONFIG_SPI_TEGRA20_SLINK) += spi-tegra20-slink.o
-obj-$(CONFIG_SPI_TI_SSP) += spi-ti-ssp.o
obj-$(CONFIG_SPI_TLE62X0) += spi-tle62x0.o
obj-$(CONFIG_SPI_TOPCLIFF_PCH) += spi-topcliff-pch.o
obj-$(CONFIG_SPI_TXX9) += spi-txx9.o
diff --git a/drivers/spi/spi-ti-ssp.c b/drivers/spi/spi-ti-ssp.c
deleted file mode 100644
index 7d20e12..0000000
--- a/drivers/spi/spi-ti-ssp.c
+++ /dev/null
@@ -1,378 +0,0 @@
-/*
- * Sequencer Serial Port (SSP) based SPI master driver
- *
- * Copyright (C) 2010 Texas Instruments Inc
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/completion.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/spi/spi.h>
-#include <linux/mfd/ti_ssp.h>
-
-#define MODE_BITS (SPI_CPHA | SPI_CPOL | SPI_CS_HIGH)
-
-struct ti_ssp_spi {
- struct spi_master *master;
- struct device *dev;
- spinlock_t lock;
- struct list_head msg_queue;
- struct completion complete;
- bool shutdown;
- struct workqueue_struct *workqueue;
- struct work_struct work;
- u8 mode, bpw;
- int cs_active;
- u32 pc_en, pc_dis, pc_wr, pc_rd;
- void (*select)(int cs);
-};
-
-static u32 ti_ssp_spi_rx(struct ti_ssp_spi *hw)
-{
- u32 ret;
-
- ti_ssp_run(hw->dev, hw->pc_rd, 0, &ret);
- return ret;
-}
-
-static void ti_ssp_spi_tx(struct ti_ssp_spi *hw, u32 data)
-{
- ti_ssp_run(hw->dev, hw->pc_wr, data << (32 - hw->bpw), NULL);
-}
-
-static int ti_ssp_spi_txrx(struct ti_ssp_spi *hw, struct spi_message *msg,
- struct spi_transfer *t)
-{
- int count;
-
- if (hw->bpw <= 8) {
- u8 *rx = t->rx_buf;
- const u8 *tx = t->tx_buf;
-
- for (count = 0; count < t->len; count += 1) {
- if (t->tx_buf)
- ti_ssp_spi_tx(hw, *tx++);
- if (t->rx_buf)
- *rx++ = ti_ssp_spi_rx(hw);
- }
- } else if (hw->bpw <= 16) {
- u16 *rx = t->rx_buf;
- const u16 *tx = t->tx_buf;
-
- for (count = 0; count < t->len; count += 2) {
- if (t->tx_buf)
- ti_ssp_spi_tx(hw, *tx++);
- if (t->rx_buf)
- *rx++ = ti_ssp_spi_rx(hw);
- }
- } else {
- u32 *rx = t->rx_buf;
- const u32 *tx = t->tx_buf;
-
- for (count = 0; count < t->len; count += 4) {
- if (t->tx_buf)
- ti_ssp_spi_tx(hw, *tx++);
- if (t->rx_buf)
- *rx++ = ti_ssp_spi_rx(hw);
- }
- }
-
- msg->actual_length += count; /* bytes transferred */
-
- dev_dbg(&msg->spi->dev, "xfer %s%s, %d bytes, %d bpw, count %d%s\n",
- t->tx_buf ? "tx" : "", t->rx_buf ? "rx" : "", t->len,
- hw->bpw, count, (count < t->len) ? " (under)" : "");
-
- return (count < t->len) ? -EIO : 0; /* left over data */
-}
-
-static void ti_ssp_spi_chip_select(struct ti_ssp_spi *hw, int cs_active)
-{
- cs_active = !!cs_active;
- if (cs_active == hw->cs_active)
- return;
- ti_ssp_run(hw->dev, cs_active ? hw->pc_en : hw->pc_dis, 0, NULL);
- hw->cs_active = cs_active;
-}
-
-#define __SHIFT_OUT(bits) (SSP_OPCODE_SHIFT | SSP_OUT_MODE | \
- cs_en | clk | SSP_COUNT((bits) * 2 - 1))
-#define __SHIFT_IN(bits) (SSP_OPCODE_SHIFT | SSP_IN_MODE | \
- cs_en | clk | SSP_COUNT((bits) * 2 - 1))
-
-static int ti_ssp_spi_setup_transfer(struct ti_ssp_spi *hw, u8 bpw, u8 mode)
-{
- int error, idx = 0;
- u32 seqram[16];
- u32 cs_en, cs_dis, clk;
- u32 topbits, botbits;
-
- mode &= MODE_BITS;
- if (mode == hw->mode && bpw == hw->bpw)
- return 0;
-
- cs_en = (mode & SPI_CS_HIGH) ? SSP_CS_HIGH : SSP_CS_LOW;
- cs_dis = (mode & SPI_CS_HIGH) ? SSP_CS_LOW : SSP_CS_HIGH;
- clk = (mode & SPI_CPOL) ? SSP_CLK_HIGH : SSP_CLK_LOW;
-
- /* Construct instructions */
-
- /* Disable Chip Select */
- hw->pc_dis = idx;
- seqram[idx++] = SSP_OPCODE_DIRECT | SSP_OUT_MODE | cs_dis | clk;
- seqram[idx++] = SSP_OPCODE_STOP | SSP_OUT_MODE | cs_dis | clk;
-
- /* Enable Chip Select */
- hw->pc_en = idx;
- seqram[idx++] = SSP_OPCODE_DIRECT | SSP_OUT_MODE | cs_en | clk;
- seqram[idx++] = SSP_OPCODE_STOP | SSP_OUT_MODE | cs_en | clk;
-
- /* Reads and writes need to be split for bpw > 16 */
- topbits = (bpw > 16) ? 16 : bpw;
- botbits = bpw - topbits;
-
- /* Write */
- hw->pc_wr = idx;
- seqram[idx++] = __SHIFT_OUT(topbits) | SSP_ADDR_REG;
- if (botbits)
- seqram[idx++] = __SHIFT_OUT(botbits) | SSP_DATA_REG;
- seqram[idx++] = SSP_OPCODE_STOP | SSP_OUT_MODE | cs_en | clk;
-
- /* Read */
- hw->pc_rd = idx;
- if (botbits)
- seqram[idx++] = __SHIFT_IN(botbits) | SSP_ADDR_REG;
- seqram[idx++] = __SHIFT_IN(topbits) | SSP_DATA_REG;
- seqram[idx++] = SSP_OPCODE_STOP | SSP_OUT_MODE | cs_en | clk;
-
- error = ti_ssp_load(hw->dev, 0, seqram, idx);
- if (error < 0)
- return error;
-
- error = ti_ssp_set_mode(hw->dev, ((mode & SPI_CPHA) ?
- 0 : SSP_EARLY_DIN));
- if (error < 0)
- return error;
-
- hw->bpw = bpw;
- hw->mode = mode;
-
- return error;
-}
-
-static void ti_ssp_spi_work(struct work_struct *work)
-{
- struct ti_ssp_spi *hw = container_of(work, struct ti_ssp_spi, work);
-
- spin_lock(&hw->lock);
-
- while (!list_empty(&hw->msg_queue)) {
- struct spi_message *m;
- struct spi_device *spi;
- struct spi_transfer *t = NULL;
- int status = 0;
-
- m = container_of(hw->msg_queue.next, struct spi_message,
- queue);
-
- list_del_init(&m->queue);
-
- spin_unlock(&hw->lock);
-
- spi = m->spi;
-
- if (hw->select)
- hw->select(spi->chip_select);
-
- list_for_each_entry(t, &m->transfers, transfer_list) {
- int bpw = spi->bits_per_word;
- int xfer_status;
-
- if (t->bits_per_word)
- bpw = t->bits_per_word;
-
- if (ti_ssp_spi_setup_transfer(hw, bpw, spi->mode) < 0)
- break;
-
- ti_ssp_spi_chip_select(hw, 1);
-
- xfer_status = ti_ssp_spi_txrx(hw, m, t);
- if (xfer_status < 0)
- status = xfer_status;
-
- if (t->delay_usecs)
- udelay(t->delay_usecs);
-
- if (t->cs_change)
- ti_ssp_spi_chip_select(hw, 0);
- }
-
- ti_ssp_spi_chip_select(hw, 0);
- m->status = status;
- m->complete(m->context);
-
- spin_lock(&hw->lock);
- }
-
- if (hw->shutdown)
- complete(&hw->complete);
-
- spin_unlock(&hw->lock);
-}
-
-static int ti_ssp_spi_transfer(struct spi_device *spi, struct spi_message *m)
-{
- struct ti_ssp_spi *hw;
- struct spi_transfer *t;
- int error = 0;
-
- m->actual_length = 0;
- m->status = -EINPROGRESS;
-
- hw = spi_master_get_devdata(spi->master);
-
- if (list_empty(&m->transfers) || !m->complete)
- return -EINVAL;
-
- list_for_each_entry(t, &m->transfers, transfer_list) {
- if (t->len && !(t->rx_buf || t->tx_buf)) {
- dev_err(&spi->dev, "invalid xfer, no buffer\n");
- return -EINVAL;
- }
-
- if (t->len && t->rx_buf && t->tx_buf) {
- dev_err(&spi->dev, "invalid xfer, full duplex\n");
- return -EINVAL;
- }
- }
-
- spin_lock(&hw->lock);
- if (hw->shutdown) {
- error = -ESHUTDOWN;
- goto error_unlock;
- }
- list_add_tail(&m->queue, &hw->msg_queue);
- queue_work(hw->workqueue, &hw->work);
-error_unlock:
- spin_unlock(&hw->lock);
- return error;
-}
-
-static int ti_ssp_spi_probe(struct platform_device *pdev)
-{
- const struct ti_ssp_spi_data *pdata;
- struct ti_ssp_spi *hw;
- struct spi_master *master;
- struct device *dev = &pdev->dev;
- int error = 0;
-
- pdata = dev_get_platdata(dev);
- if (!pdata) {
- dev_err(dev, "platform data not found\n");
- return -EINVAL;
- }
-
- master = spi_alloc_master(dev, sizeof(struct ti_ssp_spi));
- if (!master) {
- dev_err(dev, "cannot allocate SPI master\n");
- return -ENOMEM;
- }
-
- hw = spi_master_get_devdata(master);
- platform_set_drvdata(pdev, hw);
-
- hw->master = master;
- hw->dev = dev;
- hw->select = pdata->select;
-
- spin_lock_init(&hw->lock);
- init_completion(&hw->complete);
- INIT_LIST_HEAD(&hw->msg_queue);
- INIT_WORK(&hw->work, ti_ssp_spi_work);
-
- hw->workqueue = create_singlethread_workqueue(dev_name(dev));
- if (!hw->workqueue) {
- error = -ENOMEM;
- dev_err(dev, "work queue creation failed\n");
- goto error_wq;
- }
-
- error = ti_ssp_set_iosel(hw->dev, pdata->iosel);
- if (error < 0) {
- dev_err(dev, "io setup failed\n");
- goto error_iosel;
- }
-
- master->bus_num = pdev->id;
- master->num_chipselect = pdata->num_cs;
- master->mode_bits = MODE_BITS;
- master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
- master->flags = SPI_MASTER_HALF_DUPLEX;
- master->transfer = ti_ssp_spi_transfer;
-
- error = spi_register_master(master);
- if (error) {
- dev_err(dev, "master registration failed\n");
- goto error_reg;
- }
-
- return 0;
-
-error_reg:
-error_iosel:
- destroy_workqueue(hw->workqueue);
-error_wq:
- spi_master_put(master);
- return error;
-}
-
-static int ti_ssp_spi_remove(struct platform_device *pdev)
-{
- struct ti_ssp_spi *hw = platform_get_drvdata(pdev);
- int error;
-
- hw->shutdown = 1;
- while (!list_empty(&hw->msg_queue)) {
- error = wait_for_completion_interruptible(&hw->complete);
- if (error < 0) {
- hw->shutdown = 0;
- return error;
- }
- }
- destroy_workqueue(hw->workqueue);
- spi_unregister_master(hw->master);
-
- return 0;
-}
-
-static struct platform_driver ti_ssp_spi_driver = {
- .probe = ti_ssp_spi_probe,
- .remove = ti_ssp_spi_remove,
- .driver = {
- .name = "ti-ssp-spi",
- .owner = THIS_MODULE,
- },
-};
-module_platform_driver(ti_ssp_spi_driver);
-
-MODULE_DESCRIPTION("SSP SPI Master");
-MODULE_AUTHOR("Cyril Chemparathy");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:ti-ssp-spi");
--
1.8.3.2
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 2/3] mfd: remove obsolete ti-ssp driver
2014-03-18 14:55 [PATCH 0/3] Remove obsolete tnetv107x drivers Arnd Bergmann
2014-03-18 14:55 ` [PATCH 1/3] spi: remove obsolete spi-ti-ssp driver Arnd Bergmann
@ 2014-03-18 14:56 ` Arnd Bergmann
2014-03-18 20:29 ` Lee Jones
2014-03-18 14:56 ` [PATCH 3/3] input: remove obsolete tnetv107x drivers Arnd Bergmann
2 siblings, 1 reply; 7+ messages in thread
From: Arnd Bergmann @ 2014-03-18 14:56 UTC (permalink / raw)
To: linux-arm-kernel
The tnetv107x platform is getting removed, so this driver
is not needed any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
---
drivers/mfd/Kconfig | 11 --
drivers/mfd/Makefile | 1 -
drivers/mfd/ti-ssp.c | 465 ---------------------------------------------------
3 files changed, 477 deletions(-)
delete mode 100644 drivers/mfd/ti-ssp.c
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 49bb445..e0f61e3 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -774,17 +774,6 @@ config MFD_PALMAS
If you say yes here you get support for the Palmas
series of PMIC chips from Texas Instruments.
-config MFD_TI_SSP
- tristate "TI Sequencer Serial Port support"
- depends on ARCH_DAVINCI_TNETV107X
- select MFD_CORE
- ---help---
- Say Y here if you want support for the Sequencer Serial Port
- in a Texas Instruments TNETV107X SoC.
-
- To compile this driver as a module, choose M here: the
- module will be called ti-ssp.
-
config TPS6105X
tristate "TI TPS61050/61052 Boost Converters"
depends on I2C
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 5aea5ef..40e2a6d 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -21,7 +21,6 @@ obj-$(CONFIG_HTC_I2CPLD) += htc-i2cpld.o
obj-$(CONFIG_MFD_DAVINCI_VOICECODEC) += davinci_voicecodec.o
obj-$(CONFIG_MFD_DM355EVM_MSP) += dm355evm_msp.o
-obj-$(CONFIG_MFD_TI_SSP) += ti-ssp.o
obj-$(CONFIG_MFD_TI_AM335X_TSCADC) += ti_am335x_tscadc.o
obj-$(CONFIG_MFD_STA2X11) += sta2x11-mfd.o
diff --git a/drivers/mfd/ti-ssp.c b/drivers/mfd/ti-ssp.c
deleted file mode 100644
index a542457..0000000
--- a/drivers/mfd/ti-ssp.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
- * Sequencer Serial Port (SSP) driver for Texas Instruments' SoCs
- *
- * Copyright (C) 2010 Texas Instruments Inc
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/wait.h>
-#include <linux/clk.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/spinlock.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/sched.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/ti_ssp.h>
-
-/* Register Offsets */
-#define REG_REV 0x00
-#define REG_IOSEL_1 0x04
-#define REG_IOSEL_2 0x08
-#define REG_PREDIV 0x0c
-#define REG_INTR_ST 0x10
-#define REG_INTR_EN 0x14
-#define REG_TEST_CTRL 0x18
-
-/* Per port registers */
-#define PORT_CFG_2 0x00
-#define PORT_ADDR 0x04
-#define PORT_DATA 0x08
-#define PORT_CFG_1 0x0c
-#define PORT_STATE 0x10
-
-#define SSP_PORT_CONFIG_MASK (SSP_EARLY_DIN | SSP_DELAY_DOUT)
-#define SSP_PORT_CLKRATE_MASK 0x0f
-
-#define SSP_SEQRAM_WR_EN BIT(4)
-#define SSP_SEQRAM_RD_EN BIT(5)
-#define SSP_START BIT(15)
-#define SSP_BUSY BIT(10)
-#define SSP_PORT_ASL BIT(7)
-#define SSP_PORT_CFO1 BIT(6)
-
-#define SSP_PORT_SEQRAM_SIZE 32
-
-static const int ssp_port_base[] = {0x040, 0x080};
-static const int ssp_port_seqram[] = {0x100, 0x180};
-
-struct ti_ssp {
- struct resource *res;
- struct device *dev;
- void __iomem *regs;
- spinlock_t lock;
- struct clk *clk;
- int irq;
- wait_queue_head_t wqh;
-
- /*
- * Some of the iosel2 register bits always read-back as 0, we need to
- * remember these values so that we don't clobber previously set
- * values.
- */
- u32 iosel2;
-};
-
-static inline struct ti_ssp *dev_to_ssp(struct device *dev)
-{
- return dev_get_drvdata(dev->parent);
-}
-
-static inline int dev_to_port(struct device *dev)
-{
- return to_platform_device(dev)->id;
-}
-
-/* Register Access Helpers, rmw() functions need to run locked */
-static inline u32 ssp_read(struct ti_ssp *ssp, int reg)
-{
- return __raw_readl(ssp->regs + reg);
-}
-
-static inline void ssp_write(struct ti_ssp *ssp, int reg, u32 val)
-{
- __raw_writel(val, ssp->regs + reg);
-}
-
-static inline void ssp_rmw(struct ti_ssp *ssp, int reg, u32 mask, u32 bits)
-{
- ssp_write(ssp, reg, (ssp_read(ssp, reg) & ~mask) | bits);
-}
-
-static inline u32 ssp_port_read(struct ti_ssp *ssp, int port, int reg)
-{
- return ssp_read(ssp, ssp_port_base[port] + reg);
-}
-
-static inline void ssp_port_write(struct ti_ssp *ssp, int port, int reg,
- u32 val)
-{
- ssp_write(ssp, ssp_port_base[port] + reg, val);
-}
-
-static inline void ssp_port_rmw(struct ti_ssp *ssp, int port, int reg,
- u32 mask, u32 bits)
-{
- ssp_rmw(ssp, ssp_port_base[port] + reg, mask, bits);
-}
-
-static inline void ssp_port_clr_bits(struct ti_ssp *ssp, int port, int reg,
- u32 bits)
-{
- ssp_port_rmw(ssp, port, reg, bits, 0);
-}
-
-static inline void ssp_port_set_bits(struct ti_ssp *ssp, int port, int reg,
- u32 bits)
-{
- ssp_port_rmw(ssp, port, reg, 0, bits);
-}
-
-/* Called to setup port clock mode, caller must hold ssp->lock */
-static int __set_mode(struct ti_ssp *ssp, int port, int mode)
-{
- mode &= SSP_PORT_CONFIG_MASK;
- ssp_port_rmw(ssp, port, PORT_CFG_1, SSP_PORT_CONFIG_MASK, mode);
-
- return 0;
-}
-
-int ti_ssp_set_mode(struct device *dev, int mode)
-{
- struct ti_ssp *ssp = dev_to_ssp(dev);
- int port = dev_to_port(dev);
- int ret;
-
- spin_lock(&ssp->lock);
- ret = __set_mode(ssp, port, mode);
- spin_unlock(&ssp->lock);
-
- return ret;
-}
-EXPORT_SYMBOL(ti_ssp_set_mode);
-
-/* Called to setup iosel2, caller must hold ssp->lock */
-static void __set_iosel2(struct ti_ssp *ssp, u32 mask, u32 val)
-{
- ssp->iosel2 = (ssp->iosel2 & ~mask) | val;
- ssp_write(ssp, REG_IOSEL_2, ssp->iosel2);
-}
-
-/* Called to setup port iosel, caller must hold ssp->lock */
-static void __set_iosel(struct ti_ssp *ssp, int port, u32 iosel)
-{
- unsigned val, shift = port ? 16 : 0;
-
- /* IOSEL1 gets the least significant 16 bits */
- val = ssp_read(ssp, REG_IOSEL_1);
- val &= 0xffff << (port ? 0 : 16);
- val |= (iosel & 0xffff) << (port ? 16 : 0);
- ssp_write(ssp, REG_IOSEL_1, val);
-
- /* IOSEL2 gets the most significant 16 bits */
- val = (iosel >> 16) & 0x7;
- __set_iosel2(ssp, 0x7 << shift, val << shift);
-}
-
-int ti_ssp_set_iosel(struct device *dev, u32 iosel)
-{
- struct ti_ssp *ssp = dev_to_ssp(dev);
- int port = dev_to_port(dev);
-
- spin_lock(&ssp->lock);
- __set_iosel(ssp, port, iosel);
- spin_unlock(&ssp->lock);
-
- return 0;
-}
-EXPORT_SYMBOL(ti_ssp_set_iosel);
-
-int ti_ssp_load(struct device *dev, int offs, u32* prog, int len)
-{
- struct ti_ssp *ssp = dev_to_ssp(dev);
- int port = dev_to_port(dev);
- int i;
-
- if (len > SSP_PORT_SEQRAM_SIZE)
- return -ENOSPC;
-
- spin_lock(&ssp->lock);
-
- /* Enable SeqRAM access */
- ssp_port_set_bits(ssp, port, PORT_CFG_2, SSP_SEQRAM_WR_EN);
-
- /* Copy code */
- for (i = 0; i < len; i++) {
- __raw_writel(prog[i], ssp->regs + offs + 4*i +
- ssp_port_seqram[port]);
- }
-
- /* Disable SeqRAM access */
- ssp_port_clr_bits(ssp, port, PORT_CFG_2, SSP_SEQRAM_WR_EN);
-
- spin_unlock(&ssp->lock);
-
- return 0;
-}
-EXPORT_SYMBOL(ti_ssp_load);
-
-int ti_ssp_raw_read(struct device *dev)
-{
- struct ti_ssp *ssp = dev_to_ssp(dev);
- int port = dev_to_port(dev);
- int shift = port ? 27 : 11;
-
- return (ssp_read(ssp, REG_IOSEL_2) >> shift) & 0xf;
-}
-EXPORT_SYMBOL(ti_ssp_raw_read);
-
-int ti_ssp_raw_write(struct device *dev, u32 val)
-{
- struct ti_ssp *ssp = dev_to_ssp(dev);
- int port = dev_to_port(dev), shift;
-
- spin_lock(&ssp->lock);
-
- shift = port ? 22 : 6;
- val &= 0xf;
- __set_iosel2(ssp, 0xf << shift, val << shift);
-
- spin_unlock(&ssp->lock);
-
- return 0;
-}
-EXPORT_SYMBOL(ti_ssp_raw_write);
-
-static inline int __xfer_done(struct ti_ssp *ssp, int port)
-{
- return !(ssp_port_read(ssp, port, PORT_CFG_1) & SSP_BUSY);
-}
-
-int ti_ssp_run(struct device *dev, u32 pc, u32 input, u32 *output)
-{
- struct ti_ssp *ssp = dev_to_ssp(dev);
- int port = dev_to_port(dev);
- int ret;
-
- if (pc & ~(0x3f))
- return -EINVAL;
-
- /* Grab ssp->lock to serialize rmw on ssp registers */
- spin_lock(&ssp->lock);
-
- ssp_port_write(ssp, port, PORT_ADDR, input >> 16);
- ssp_port_write(ssp, port, PORT_DATA, input & 0xffff);
- ssp_port_rmw(ssp, port, PORT_CFG_1, 0x3f, pc);
-
- /* grab wait queue head lock to avoid race with the isr */
- spin_lock_irq(&ssp->wqh.lock);
-
- /* kick off sequence execution in hardware */
- ssp_port_set_bits(ssp, port, PORT_CFG_1, SSP_START);
-
- /* drop ssp lock; no register writes beyond this */
- spin_unlock(&ssp->lock);
-
- ret = wait_event_interruptible_locked_irq(ssp->wqh,
- __xfer_done(ssp, port));
- spin_unlock_irq(&ssp->wqh.lock);
-
- if (ret < 0)
- return ret;
-
- if (output) {
- *output = (ssp_port_read(ssp, port, PORT_ADDR) << 16) |
- (ssp_port_read(ssp, port, PORT_DATA) & 0xffff);
- }
-
- ret = ssp_port_read(ssp, port, PORT_STATE) & 0x3f; /* stop address */
-
- return ret;
-}
-EXPORT_SYMBOL(ti_ssp_run);
-
-static irqreturn_t ti_ssp_interrupt(int irq, void *dev_data)
-{
- struct ti_ssp *ssp = dev_data;
-
- spin_lock(&ssp->wqh.lock);
-
- ssp_write(ssp, REG_INTR_ST, 0x3);
- wake_up_locked(&ssp->wqh);
-
- spin_unlock(&ssp->wqh.lock);
-
- return IRQ_HANDLED;
-}
-
-static int ti_ssp_probe(struct platform_device *pdev)
-{
- static struct ti_ssp *ssp;
- const struct ti_ssp_data *pdata = dev_get_platdata(&pdev->dev);
- int error = 0, prediv = 0xff, id;
- unsigned long sysclk;
- struct device *dev = &pdev->dev;
- struct mfd_cell cells[2];
-
- ssp = kzalloc(sizeof(*ssp), GFP_KERNEL);
- if (!ssp) {
- dev_err(dev, "cannot allocate device info\n");
- return -ENOMEM;
- }
-
- ssp->dev = dev;
- dev_set_drvdata(dev, ssp);
-
- ssp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!ssp->res) {
- error = -ENODEV;
- dev_err(dev, "cannot determine register area\n");
- goto error_res;
- }
-
- if (!request_mem_region(ssp->res->start, resource_size(ssp->res),
- pdev->name)) {
- error = -ENOMEM;
- dev_err(dev, "cannot claim register memory\n");
- goto error_res;
- }
-
- ssp->regs = ioremap(ssp->res->start, resource_size(ssp->res));
- if (!ssp->regs) {
- error = -ENOMEM;
- dev_err(dev, "cannot map register memory\n");
- goto error_map;
- }
-
- ssp->clk = clk_get(dev, NULL);
- if (IS_ERR(ssp->clk)) {
- error = PTR_ERR(ssp->clk);
- dev_err(dev, "cannot claim device clock\n");
- goto error_clk;
- }
-
- ssp->irq = platform_get_irq(pdev, 0);
- if (ssp->irq < 0) {
- error = -ENODEV;
- dev_err(dev, "unknown irq\n");
- goto error_irq;
- }
-
- error = request_threaded_irq(ssp->irq, NULL, ti_ssp_interrupt, 0,
- dev_name(dev), ssp);
- if (error < 0) {
- dev_err(dev, "cannot acquire irq\n");
- goto error_irq;
- }
-
- spin_lock_init(&ssp->lock);
- init_waitqueue_head(&ssp->wqh);
-
- /* Power on and initialize SSP */
- error = clk_enable(ssp->clk);
- if (error) {
- dev_err(dev, "cannot enable device clock\n");
- goto error_enable;
- }
-
- /* Reset registers to a sensible known state */
- ssp_write(ssp, REG_IOSEL_1, 0);
- ssp_write(ssp, REG_IOSEL_2, 0);
- ssp_write(ssp, REG_INTR_EN, 0x3);
- ssp_write(ssp, REG_INTR_ST, 0x3);
- ssp_write(ssp, REG_TEST_CTRL, 0);
- ssp_port_write(ssp, 0, PORT_CFG_1, SSP_PORT_ASL);
- ssp_port_write(ssp, 1, PORT_CFG_1, SSP_PORT_ASL);
- ssp_port_write(ssp, 0, PORT_CFG_2, SSP_PORT_CFO1);
- ssp_port_write(ssp, 1, PORT_CFG_2, SSP_PORT_CFO1);
-
- sysclk = clk_get_rate(ssp->clk);
- if (pdata && pdata->out_clock)
- prediv = (sysclk / pdata->out_clock) - 1;
- prediv = clamp(prediv, 0, 0xff);
- ssp_rmw(ssp, REG_PREDIV, 0xff, prediv);
-
- memset(cells, 0, sizeof(cells));
- for (id = 0; id < 2; id++) {
- const struct ti_ssp_dev_data *data = &pdata->dev_data[id];
-
- cells[id].id = id;
- cells[id].name = data->dev_name;
- cells[id].platform_data = data->pdata;
- }
-
- error = mfd_add_devices(dev, 0, cells, 2, NULL, 0, NULL);
- if (error < 0) {
- dev_err(dev, "cannot add mfd cells\n");
- goto error_enable;
- }
-
- return 0;
-
-error_enable:
- free_irq(ssp->irq, ssp);
-error_irq:
- clk_put(ssp->clk);
-error_clk:
- iounmap(ssp->regs);
-error_map:
- release_mem_region(ssp->res->start, resource_size(ssp->res));
-error_res:
- kfree(ssp);
- return error;
-}
-
-static int ti_ssp_remove(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct ti_ssp *ssp = dev_get_drvdata(dev);
-
- mfd_remove_devices(dev);
- clk_disable(ssp->clk);
- free_irq(ssp->irq, ssp);
- clk_put(ssp->clk);
- iounmap(ssp->regs);
- release_mem_region(ssp->res->start, resource_size(ssp->res));
- kfree(ssp);
- return 0;
-}
-
-static struct platform_driver ti_ssp_driver = {
- .probe = ti_ssp_probe,
- .remove = ti_ssp_remove,
- .driver = {
- .name = "ti-ssp",
- .owner = THIS_MODULE,
- }
-};
-
-module_platform_driver(ti_ssp_driver);
-
-MODULE_DESCRIPTION("Sequencer Serial Port (SSP) Driver");
-MODULE_AUTHOR("Cyril Chemparathy");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:ti-ssp");
--
1.8.3.2
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 2/3] mfd: remove obsolete ti-ssp driver
2014-03-18 14:56 ` [PATCH 2/3] mfd: remove obsolete ti-ssp driver Arnd Bergmann
@ 2014-03-18 20:29 ` Lee Jones
0 siblings, 0 replies; 7+ messages in thread
From: Lee Jones @ 2014-03-18 20:29 UTC (permalink / raw)
To: linux-arm-kernel
> The tnetv107x platform is getting removed, so this driver
> is not needed any more.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Acked-by: Sekhar Nori <nsekhar@ti.com>
> Acked-by: Kevin Hilman <khilman@linaro.org>
> Cc: Samuel Ortiz <sameo@linux.intel.com>
> Cc: Lee Jones <lee.jones@linaro.org>
> ---
> drivers/mfd/Kconfig | 11 --
> drivers/mfd/Makefile | 1 -
> drivers/mfd/ti-ssp.c | 465 ---------------------------------------------------
> 3 files changed, 477 deletions(-)
> delete mode 100644 drivers/mfd/ti-ssp.c
Re-applied, thanks.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 3/3] input: remove obsolete tnetv107x drivers
2014-03-18 14:55 [PATCH 0/3] Remove obsolete tnetv107x drivers Arnd Bergmann
2014-03-18 14:55 ` [PATCH 1/3] spi: remove obsolete spi-ti-ssp driver Arnd Bergmann
2014-03-18 14:56 ` [PATCH 2/3] mfd: remove obsolete ti-ssp driver Arnd Bergmann
@ 2014-03-18 14:56 ` Arnd Bergmann
2014-03-28 8:36 ` Dmitry Torokhov
2 siblings, 1 reply; 7+ messages in thread
From: Arnd Bergmann @ 2014-03-18 14:56 UTC (permalink / raw)
To: linux-arm-kernel
The tnetv107x platform is getting removed, so the touchscreen
and keypad drivers for this platform will no longer be needed
either.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input at vger.kernel.org
---
drivers/input/keyboard/Kconfig | 10 -
drivers/input/keyboard/Makefile | 1 -
drivers/input/keyboard/tnetv107x-keypad.c | 329 -------------------------
drivers/input/touchscreen/Kconfig | 9 -
drivers/input/touchscreen/Makefile | 1 -
drivers/input/touchscreen/tnetv107x-ts.c | 384 ------------------------------
6 files changed, 734 deletions(-)
delete mode 100644 drivers/input/keyboard/tnetv107x-keypad.c
delete mode 100644 drivers/input/touchscreen/tnetv107x-ts.c
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index a673c9f..935dcaf 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -595,16 +595,6 @@ config KEYBOARD_TC3589X
To compile this driver as a module, choose M here: the
module will be called tc3589x-keypad.
-config KEYBOARD_TNETV107X
- tristate "TI TNETV107X keypad support"
- depends on ARCH_DAVINCI_TNETV107X
- select INPUT_MATRIXKMAP
- help
- Say Y here if you want to use the TNETV107X keypad.
-
- To compile this driver as a module, choose M here: the
- module will be called tnetv107x-keypad.
-
config KEYBOARD_TWL4030
tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
depends on TWL4030_CORE
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index a699b61..81014d9 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -53,7 +53,6 @@ obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o
-obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
obj-$(CONFIG_KEYBOARD_W90P910) += w90p910_keypad.o
diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
deleted file mode 100644
index 086511c..0000000
--- a/drivers/input/keyboard/tnetv107x-keypad.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- * Texas Instruments TNETV107X Keypad Driver
- *
- * Copyright (C) 2010 Texas Instruments
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/input.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/input/matrix_keypad.h>
-#include <linux/module.h>
-
-#define BITS(x) (BIT(x) - 1)
-
-#define KEYPAD_ROWS 9
-#define KEYPAD_COLS 9
-
-#define DEBOUNCE_MIN 0x400ul
-#define DEBOUNCE_MAX 0x3ffffffful
-
-struct keypad_regs {
- u32 rev;
- u32 mode;
- u32 mask;
- u32 pol;
- u32 dclock;
- u32 rclock;
- u32 stable_cnt;
- u32 in_en;
- u32 out;
- u32 out_en;
- u32 in;
- u32 lock;
- u32 pres[3];
-};
-
-#define keypad_read(kp, reg) __raw_readl(&(kp)->regs->reg)
-#define keypad_write(kp, reg, val) __raw_writel(val, &(kp)->regs->reg)
-
-struct keypad_data {
- struct input_dev *input_dev;
- struct resource *res;
- struct keypad_regs __iomem *regs;
- struct clk *clk;
- struct device *dev;
- spinlock_t lock;
- int irq_press;
- int irq_release;
- int rows, cols, row_shift;
- int debounce_ms, active_low;
- u32 prev_keys[3];
- unsigned short keycodes[];
-};
-
-static irqreturn_t keypad_irq(int irq, void *data)
-{
- struct keypad_data *kp = data;
- int i, bit, val, row, col, code;
- unsigned long flags;
- u32 curr_keys[3];
- u32 change;
-
- spin_lock_irqsave(&kp->lock, flags);
-
- memset(curr_keys, 0, sizeof(curr_keys));
- if (irq == kp->irq_press)
- for (i = 0; i < 3; i++)
- curr_keys[i] = keypad_read(kp, pres[i]);
-
- for (i = 0; i < 3; i++) {
- change = curr_keys[i] ^ kp->prev_keys[i];
-
- while (change) {
- bit = fls(change) - 1;
- change ^= BIT(bit);
- val = curr_keys[i] & BIT(bit);
- bit += i * 32;
- row = bit / KEYPAD_COLS;
- col = bit % KEYPAD_COLS;
-
- code = MATRIX_SCAN_CODE(row, col, kp->row_shift);
- input_event(kp->input_dev, EV_MSC, MSC_SCAN, code);
- input_report_key(kp->input_dev, kp->keycodes[code],
- val);
- }
- }
- input_sync(kp->input_dev);
- memcpy(kp->prev_keys, curr_keys, sizeof(curr_keys));
-
- if (irq == kp->irq_press)
- keypad_write(kp, lock, 0); /* Allow hardware updates */
-
- spin_unlock_irqrestore(&kp->lock, flags);
-
- return IRQ_HANDLED;
-}
-
-static int keypad_start(struct input_dev *dev)
-{
- struct keypad_data *kp = input_get_drvdata(dev);
- unsigned long mask, debounce, clk_rate_khz;
- unsigned long flags;
-
- clk_enable(kp->clk);
- clk_rate_khz = clk_get_rate(kp->clk) / 1000;
-
- spin_lock_irqsave(&kp->lock, flags);
-
- /* Initialize device registers */
- keypad_write(kp, mode, 0);
-
- mask = BITS(kp->rows) << KEYPAD_COLS;
- mask |= BITS(kp->cols);
- keypad_write(kp, mask, ~mask);
-
- keypad_write(kp, pol, kp->active_low ? 0 : 0x3ffff);
- keypad_write(kp, stable_cnt, 3);
-
- debounce = kp->debounce_ms * clk_rate_khz;
- debounce = clamp(debounce, DEBOUNCE_MIN, DEBOUNCE_MAX);
- keypad_write(kp, dclock, debounce);
- keypad_write(kp, rclock, 4 * debounce);
-
- keypad_write(kp, in_en, 1);
-
- spin_unlock_irqrestore(&kp->lock, flags);
-
- return 0;
-}
-
-static void keypad_stop(struct input_dev *dev)
-{
- struct keypad_data *kp = input_get_drvdata(dev);
-
- synchronize_irq(kp->irq_press);
- synchronize_irq(kp->irq_release);
- clk_disable(kp->clk);
-}
-
-static int keypad_probe(struct platform_device *pdev)
-{
- const struct matrix_keypad_platform_data *pdata;
- const struct matrix_keymap_data *keymap_data;
- struct device *dev = &pdev->dev;
- struct keypad_data *kp;
- int error = 0, sz, row_shift;
- u32 rev = 0;
-
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- dev_err(dev, "cannot find device data\n");
- return -EINVAL;
- }
-
- keymap_data = pdata->keymap_data;
- if (!keymap_data) {
- dev_err(dev, "cannot find keymap data\n");
- return -EINVAL;
- }
-
- row_shift = get_count_order(pdata->num_col_gpios);
- sz = offsetof(struct keypad_data, keycodes);
- sz += (pdata->num_row_gpios << row_shift) * sizeof(kp->keycodes[0]);
- kp = kzalloc(sz, GFP_KERNEL);
- if (!kp) {
- dev_err(dev, "cannot allocate device info\n");
- return -ENOMEM;
- }
-
- kp->dev = dev;
- kp->rows = pdata->num_row_gpios;
- kp->cols = pdata->num_col_gpios;
- kp->row_shift = row_shift;
- platform_set_drvdata(pdev, kp);
- spin_lock_init(&kp->lock);
-
- kp->irq_press = platform_get_irq_byname(pdev, "press");
- kp->irq_release = platform_get_irq_byname(pdev, "release");
- if (kp->irq_press < 0 || kp->irq_release < 0) {
- dev_err(dev, "cannot determine device interrupts\n");
- error = -ENODEV;
- goto error_res;
- }
-
- kp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!kp->res) {
- dev_err(dev, "cannot determine register area\n");
- error = -ENODEV;
- goto error_res;
- }
-
- if (!request_mem_region(kp->res->start, resource_size(kp->res),
- pdev->name)) {
- dev_err(dev, "cannot claim register memory\n");
- kp->res = NULL;
- error = -EINVAL;
- goto error_res;
- }
-
- kp->regs = ioremap(kp->res->start, resource_size(kp->res));
- if (!kp->regs) {
- dev_err(dev, "cannot map register memory\n");
- error = -ENOMEM;
- goto error_map;
- }
-
- kp->clk = clk_get(dev, NULL);
- if (IS_ERR(kp->clk)) {
- dev_err(dev, "cannot claim device clock\n");
- error = PTR_ERR(kp->clk);
- goto error_clk;
- }
-
- error = request_threaded_irq(kp->irq_press, NULL, keypad_irq,
- IRQF_ONESHOT, dev_name(dev), kp);
- if (error < 0) {
- dev_err(kp->dev, "Could not allocate keypad press key irq\n");
- goto error_irq_press;
- }
-
- error = request_threaded_irq(kp->irq_release, NULL, keypad_irq,
- IRQF_ONESHOT, dev_name(dev), kp);
- if (error < 0) {
- dev_err(kp->dev, "Could not allocate keypad release key irq\n");
- goto error_irq_release;
- }
-
- kp->input_dev = input_allocate_device();
- if (!kp->input_dev) {
- dev_err(dev, "cannot allocate input device\n");
- error = -ENOMEM;
- goto error_input;
- }
-
- kp->input_dev->name = pdev->name;
- kp->input_dev->dev.parent = &pdev->dev;
- kp->input_dev->open = keypad_start;
- kp->input_dev->close = keypad_stop;
-
- clk_enable(kp->clk);
- rev = keypad_read(kp, rev);
- kp->input_dev->id.bustype = BUS_HOST;
- kp->input_dev->id.product = ((rev >> 8) & 0x07);
- kp->input_dev->id.version = ((rev >> 16) & 0xfff);
- clk_disable(kp->clk);
-
- error = matrix_keypad_build_keymap(keymap_data, NULL,
- kp->rows, kp->cols,
- kp->keycodes, kp->input_dev);
- if (error) {
- dev_err(dev, "Failed to build keymap\n");
- goto error_reg;
- }
-
- if (!pdata->no_autorepeat)
- kp->input_dev->evbit[0] |= BIT_MASK(EV_REP);
- input_set_capability(kp->input_dev, EV_MSC, MSC_SCAN);
-
- input_set_drvdata(kp->input_dev, kp);
-
- error = input_register_device(kp->input_dev);
- if (error < 0) {
- dev_err(dev, "Could not register input device\n");
- goto error_reg;
- }
-
- return 0;
-
-
-error_reg:
- input_free_device(kp->input_dev);
-error_input:
- free_irq(kp->irq_release, kp);
-error_irq_release:
- free_irq(kp->irq_press, kp);
-error_irq_press:
- clk_put(kp->clk);
-error_clk:
- iounmap(kp->regs);
-error_map:
- release_mem_region(kp->res->start, resource_size(kp->res));
-error_res:
- kfree(kp);
- return error;
-}
-
-static int keypad_remove(struct platform_device *pdev)
-{
- struct keypad_data *kp = platform_get_drvdata(pdev);
-
- free_irq(kp->irq_press, kp);
- free_irq(kp->irq_release, kp);
- input_unregister_device(kp->input_dev);
- clk_put(kp->clk);
- iounmap(kp->regs);
- release_mem_region(kp->res->start, resource_size(kp->res));
- kfree(kp);
-
- return 0;
-}
-
-static struct platform_driver keypad_driver = {
- .probe = keypad_probe,
- .remove = keypad_remove,
- .driver.name = "tnetv107x-keypad",
- .driver.owner = THIS_MODULE,
-};
-module_platform_driver(keypad_driver);
-
-MODULE_AUTHOR("Cyril Chemparathy");
-MODULE_DESCRIPTION("TNETV107X Keypad Driver");
-MODULE_ALIAS("platform:tnetv107x-keypad");
-MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 07e9e82..68edc9d 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -514,15 +514,6 @@ config TOUCHSCREEN_MIGOR
To compile this driver as a module, choose M here: the
module will be called migor_ts.
-config TOUCHSCREEN_TNETV107X
- tristate "TI TNETV107X touchscreen support"
- depends on ARCH_DAVINCI_TNETV107X
- help
- Say Y here if you want to use the TNETV107X touchscreen.
-
- To compile this driver as a module, choose M here: the
- module will be called tnetv107x-ts.
-
config TOUCHSCREEN_TOUCHRIGHT
tristate "Touchright serial touchscreen"
select SERIO
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 62801f2..4bc954b 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -56,7 +56,6 @@ obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o
obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o
-obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o
diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c
deleted file mode 100644
index c47827a..0000000
--- a/drivers/input/touchscreen/tnetv107x-ts.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- * Texas Instruments TNETV107X Touchscreen Driver
- *
- * Copyright (C) 2010 Texas Instruments
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/input.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/ctype.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-
-#include <mach/tnetv107x.h>
-
-#define TSC_PENUP_POLL (HZ / 5)
-#define IDLE_TIMEOUT 100 /* msec */
-
-/*
- * The first and last samples of a touch interval are usually garbage and need
- * to be filtered out with these devices. The following definitions control
- * the number of samples skipped.
- */
-#define TSC_HEAD_SKIP 1
-#define TSC_TAIL_SKIP 1
-#define TSC_SKIP (TSC_HEAD_SKIP + TSC_TAIL_SKIP + 1)
-#define TSC_SAMPLES (TSC_SKIP + 1)
-
-/* Register Offsets */
-struct tsc_regs {
- u32 rev;
- u32 tscm;
- u32 bwcm;
- u32 swc;
- u32 adcchnl;
- u32 adcdata;
- u32 chval[4];
-};
-
-/* TSC Mode Configuration Register (tscm) bits */
-#define WMODE BIT(0)
-#define TSKIND BIT(1)
-#define ZMEASURE_EN BIT(2)
-#define IDLE BIT(3)
-#define TSC_EN BIT(4)
-#define STOP BIT(5)
-#define ONE_SHOT BIT(6)
-#define SINGLE BIT(7)
-#define AVG BIT(8)
-#define AVGNUM(x) (((x) & 0x03) << 9)
-#define PVSTC(x) (((x) & 0x07) << 11)
-#define PON BIT(14)
-#define PONBG BIT(15)
-#define AFERST BIT(16)
-
-/* ADC DATA Capture Register bits */
-#define DATA_VALID BIT(16)
-
-/* Register Access Macros */
-#define tsc_read(ts, reg) __raw_readl(&(ts)->regs->reg)
-#define tsc_write(ts, reg, val) __raw_writel(val, &(ts)->regs->reg);
-#define tsc_set_bits(ts, reg, val) \
- tsc_write(ts, reg, tsc_read(ts, reg) | (val))
-#define tsc_clr_bits(ts, reg, val) \
- tsc_write(ts, reg, tsc_read(ts, reg) & ~(val))
-
-struct sample {
- int x, y, p;
-};
-
-struct tsc_data {
- struct input_dev *input_dev;
- struct resource *res;
- struct tsc_regs __iomem *regs;
- struct timer_list timer;
- spinlock_t lock;
- struct clk *clk;
- struct device *dev;
- int sample_count;
- struct sample samples[TSC_SAMPLES];
- int tsc_irq;
-};
-
-static int tsc_read_sample(struct tsc_data *ts, struct sample* sample)
-{
- int x, y, z1, z2, t, p = 0;
- u32 val;
-
- val = tsc_read(ts, chval[0]);
- if (val & DATA_VALID)
- x = val & 0xffff;
- else
- return -EINVAL;
-
- y = tsc_read(ts, chval[1]) & 0xffff;
- z1 = tsc_read(ts, chval[2]) & 0xffff;
- z2 = tsc_read(ts, chval[3]) & 0xffff;
-
- if (z1) {
- t = ((600 * x) * (z2 - z1));
- p = t / (u32) (z1 << 12);
- if (p < 0)
- p = 0;
- }
-
- sample->x = x;
- sample->y = y;
- sample->p = p;
-
- return 0;
-}
-
-static void tsc_poll(unsigned long data)
-{
- struct tsc_data *ts = (struct tsc_data *)data;
- unsigned long flags;
- int i, val, x, y, p;
-
- spin_lock_irqsave(&ts->lock, flags);
-
- if (ts->sample_count >= TSC_SKIP) {
- input_report_abs(ts->input_dev, ABS_PRESSURE, 0);
- input_report_key(ts->input_dev, BTN_TOUCH, 0);
- input_sync(ts->input_dev);
- } else if (ts->sample_count > 0) {
- /*
- * A touch event lasted less than our skip count. Salvage and
- * report anyway.
- */
- for (i = 0, val = 0; i < ts->sample_count; i++)
- val += ts->samples[i].x;
- x = val / ts->sample_count;
-
- for (i = 0, val = 0; i < ts->sample_count; i++)
- val += ts->samples[i].y;
- y = val / ts->sample_count;
-
- for (i = 0, val = 0; i < ts->sample_count; i++)
- val += ts->samples[i].p;
- p = val / ts->sample_count;
-
- input_report_abs(ts->input_dev, ABS_X, x);
- input_report_abs(ts->input_dev, ABS_Y, y);
- input_report_abs(ts->input_dev, ABS_PRESSURE, p);
- input_report_key(ts->input_dev, BTN_TOUCH, 1);
- input_sync(ts->input_dev);
- }
-
- ts->sample_count = 0;
-
- spin_unlock_irqrestore(&ts->lock, flags);
-}
-
-static irqreturn_t tsc_irq(int irq, void *dev_id)
-{
- struct tsc_data *ts = (struct tsc_data *)dev_id;
- struct sample *sample;
- int index;
-
- spin_lock(&ts->lock);
-
- index = ts->sample_count % TSC_SAMPLES;
- sample = &ts->samples[index];
- if (tsc_read_sample(ts, sample) < 0)
- goto out;
-
- if (++ts->sample_count >= TSC_SKIP) {
- index = (ts->sample_count - TSC_TAIL_SKIP - 1) % TSC_SAMPLES;
- sample = &ts->samples[index];
-
- input_report_abs(ts->input_dev, ABS_X, sample->x);
- input_report_abs(ts->input_dev, ABS_Y, sample->y);
- input_report_abs(ts->input_dev, ABS_PRESSURE, sample->p);
- if (ts->sample_count == TSC_SKIP)
- input_report_key(ts->input_dev, BTN_TOUCH, 1);
- input_sync(ts->input_dev);
- }
- mod_timer(&ts->timer, jiffies + TSC_PENUP_POLL);
-out:
- spin_unlock(&ts->lock);
- return IRQ_HANDLED;
-}
-
-static int tsc_start(struct input_dev *dev)
-{
- struct tsc_data *ts = input_get_drvdata(dev);
- unsigned long timeout = jiffies + msecs_to_jiffies(IDLE_TIMEOUT);
- u32 val;
-
- clk_enable(ts->clk);
-
- /* Go to idle mode, before any initialization */
- while (time_after(timeout, jiffies)) {
- if (tsc_read(ts, tscm) & IDLE)
- break;
- }
-
- if (time_before(timeout, jiffies)) {
- dev_warn(ts->dev, "timeout waiting for idle\n");
- clk_disable(ts->clk);
- return -EIO;
- }
-
- /* Configure TSC Control register*/
- val = (PONBG | PON | PVSTC(4) | ONE_SHOT | ZMEASURE_EN);
- tsc_write(ts, tscm, val);
-
- /* Bring TSC out of reset: Clear AFE reset bit */
- val &= ~(AFERST);
- tsc_write(ts, tscm, val);
-
- /* Configure all pins for hardware control*/
- tsc_write(ts, bwcm, 0);
-
- /* Finally enable the TSC */
- tsc_set_bits(ts, tscm, TSC_EN);
-
- return 0;
-}
-
-static void tsc_stop(struct input_dev *dev)
-{
- struct tsc_data *ts = input_get_drvdata(dev);
-
- tsc_clr_bits(ts, tscm, TSC_EN);
- synchronize_irq(ts->tsc_irq);
- del_timer_sync(&ts->timer);
- clk_disable(ts->clk);
-}
-
-static int tsc_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct tsc_data *ts;
- int error = 0;
- u32 rev = 0;
-
- ts = kzalloc(sizeof(struct tsc_data), GFP_KERNEL);
- if (!ts) {
- dev_err(dev, "cannot allocate device info\n");
- return -ENOMEM;
- }
-
- ts->dev = dev;
- spin_lock_init(&ts->lock);
- setup_timer(&ts->timer, tsc_poll, (unsigned long)ts);
- platform_set_drvdata(pdev, ts);
-
- ts->tsc_irq = platform_get_irq(pdev, 0);
- if (ts->tsc_irq < 0) {
- dev_err(dev, "cannot determine device interrupt\n");
- error = -ENODEV;
- goto error_res;
- }
-
- ts->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!ts->res) {
- dev_err(dev, "cannot determine register area\n");
- error = -ENODEV;
- goto error_res;
- }
-
- if (!request_mem_region(ts->res->start, resource_size(ts->res),
- pdev->name)) {
- dev_err(dev, "cannot claim register memory\n");
- ts->res = NULL;
- error = -EINVAL;
- goto error_res;
- }
-
- ts->regs = ioremap(ts->res->start, resource_size(ts->res));
- if (!ts->regs) {
- dev_err(dev, "cannot map register memory\n");
- error = -ENOMEM;
- goto error_map;
- }
-
- ts->clk = clk_get(dev, NULL);
- if (IS_ERR(ts->clk)) {
- dev_err(dev, "cannot claim device clock\n");
- error = PTR_ERR(ts->clk);
- goto error_clk;
- }
-
- error = request_threaded_irq(ts->tsc_irq, NULL, tsc_irq, IRQF_ONESHOT,
- dev_name(dev), ts);
- if (error < 0) {
- dev_err(ts->dev, "Could not allocate ts irq\n");
- goto error_irq;
- }
-
- ts->input_dev = input_allocate_device();
- if (!ts->input_dev) {
- dev_err(dev, "cannot allocate input device\n");
- error = -ENOMEM;
- goto error_input;
- }
- input_set_drvdata(ts->input_dev, ts);
-
- ts->input_dev->name = pdev->name;
- ts->input_dev->id.bustype = BUS_HOST;
- ts->input_dev->dev.parent = &pdev->dev;
- ts->input_dev->open = tsc_start;
- ts->input_dev->close = tsc_stop;
-
- clk_enable(ts->clk);
- rev = tsc_read(ts, rev);
- ts->input_dev->id.product = ((rev >> 8) & 0x07);
- ts->input_dev->id.version = ((rev >> 16) & 0xfff);
- clk_disable(ts->clk);
-
- __set_bit(EV_KEY, ts->input_dev->evbit);
- __set_bit(EV_ABS, ts->input_dev->evbit);
- __set_bit(BTN_TOUCH, ts->input_dev->keybit);
-
- input_set_abs_params(ts->input_dev, ABS_X, 0, 0xffff, 5, 0);
- input_set_abs_params(ts->input_dev, ABS_Y, 0, 0xffff, 5, 0);
- input_set_abs_params(ts->input_dev, ABS_PRESSURE, 0, 4095, 128, 0);
-
- error = input_register_device(ts->input_dev);
- if (error < 0) {
- dev_err(dev, "failed input device registration\n");
- goto error_reg;
- }
-
- return 0;
-
-error_reg:
- input_free_device(ts->input_dev);
-error_input:
- free_irq(ts->tsc_irq, ts);
-error_irq:
- clk_put(ts->clk);
-error_clk:
- iounmap(ts->regs);
-error_map:
- release_mem_region(ts->res->start, resource_size(ts->res));
-error_res:
- kfree(ts);
-
- return error;
-}
-
-static int tsc_remove(struct platform_device *pdev)
-{
- struct tsc_data *ts = platform_get_drvdata(pdev);
-
- input_unregister_device(ts->input_dev);
- free_irq(ts->tsc_irq, ts);
- clk_put(ts->clk);
- iounmap(ts->regs);
- release_mem_region(ts->res->start, resource_size(ts->res));
- kfree(ts);
-
- return 0;
-}
-
-static struct platform_driver tsc_driver = {
- .probe = tsc_probe,
- .remove = tsc_remove,
- .driver.name = "tnetv107x-ts",
- .driver.owner = THIS_MODULE,
-};
-module_platform_driver(tsc_driver);
-
-MODULE_AUTHOR("Cyril Chemparathy");
-MODULE_DESCRIPTION("TNETV107X Touchscreen Driver");
-MODULE_ALIAS("platform:tnetv107x-ts");
-MODULE_LICENSE("GPL");
--
1.8.3.2
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 3/3] input: remove obsolete tnetv107x drivers
2014-03-18 14:56 ` [PATCH 3/3] input: remove obsolete tnetv107x drivers Arnd Bergmann
@ 2014-03-28 8:36 ` Dmitry Torokhov
0 siblings, 0 replies; 7+ messages in thread
From: Dmitry Torokhov @ 2014-03-28 8:36 UTC (permalink / raw)
To: linux-arm-kernel
On Tue, Mar 18, 2014 at 03:56:01PM +0100, Arnd Bergmann wrote:
> The tnetv107x platform is getting removed, so the touchscreen
> and keypad drivers for this platform will no longer be needed
> either.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Acked-by: Sekhar Nori <nsekhar@ti.com>
> Acked-by: Kevin Hilman <khilman@linaro.org>
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: linux-input at vger.kernel.org
Applied, thank you.
> ---
> drivers/input/keyboard/Kconfig | 10 -
> drivers/input/keyboard/Makefile | 1 -
> drivers/input/keyboard/tnetv107x-keypad.c | 329 -------------------------
> drivers/input/touchscreen/Kconfig | 9 -
> drivers/input/touchscreen/Makefile | 1 -
> drivers/input/touchscreen/tnetv107x-ts.c | 384 ------------------------------
> 6 files changed, 734 deletions(-)
> delete mode 100644 drivers/input/keyboard/tnetv107x-keypad.c
> delete mode 100644 drivers/input/touchscreen/tnetv107x-ts.c
>
> diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
> index a673c9f..935dcaf 100644
> --- a/drivers/input/keyboard/Kconfig
> +++ b/drivers/input/keyboard/Kconfig
> @@ -595,16 +595,6 @@ config KEYBOARD_TC3589X
> To compile this driver as a module, choose M here: the
> module will be called tc3589x-keypad.
>
> -config KEYBOARD_TNETV107X
> - tristate "TI TNETV107X keypad support"
> - depends on ARCH_DAVINCI_TNETV107X
> - select INPUT_MATRIXKMAP
> - help
> - Say Y here if you want to use the TNETV107X keypad.
> -
> - To compile this driver as a module, choose M here: the
> - module will be called tnetv107x-keypad.
> -
> config KEYBOARD_TWL4030
> tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
> depends on TWL4030_CORE
> diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
> index a699b61..81014d9 100644
> --- a/drivers/input/keyboard/Makefile
> +++ b/drivers/input/keyboard/Makefile
> @@ -53,7 +53,6 @@ obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
> obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
> obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
> obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o
> -obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
> obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
> obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
> obj-$(CONFIG_KEYBOARD_W90P910) += w90p910_keypad.o
> diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
> deleted file mode 100644
> index 086511c..0000000
> --- a/drivers/input/keyboard/tnetv107x-keypad.c
> +++ /dev/null
> @@ -1,329 +0,0 @@
> -/*
> - * Texas Instruments TNETV107X Keypad Driver
> - *
> - * Copyright (C) 2010 Texas Instruments
> - *
> - * This program is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License as
> - * published by the Free Software Foundation version 2.
> - *
> - * This program is distributed "as is" WITHOUT ANY WARRANTY of any
> - * kind, whether express or implied; without even the implied warranty
> - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - */
> -
> -#include <linux/kernel.h>
> -#include <linux/err.h>
> -#include <linux/errno.h>
> -#include <linux/input.h>
> -#include <linux/platform_device.h>
> -#include <linux/interrupt.h>
> -#include <linux/slab.h>
> -#include <linux/delay.h>
> -#include <linux/io.h>
> -#include <linux/clk.h>
> -#include <linux/input/matrix_keypad.h>
> -#include <linux/module.h>
> -
> -#define BITS(x) (BIT(x) - 1)
> -
> -#define KEYPAD_ROWS 9
> -#define KEYPAD_COLS 9
> -
> -#define DEBOUNCE_MIN 0x400ul
> -#define DEBOUNCE_MAX 0x3ffffffful
> -
> -struct keypad_regs {
> - u32 rev;
> - u32 mode;
> - u32 mask;
> - u32 pol;
> - u32 dclock;
> - u32 rclock;
> - u32 stable_cnt;
> - u32 in_en;
> - u32 out;
> - u32 out_en;
> - u32 in;
> - u32 lock;
> - u32 pres[3];
> -};
> -
> -#define keypad_read(kp, reg) __raw_readl(&(kp)->regs->reg)
> -#define keypad_write(kp, reg, val) __raw_writel(val, &(kp)->regs->reg)
> -
> -struct keypad_data {
> - struct input_dev *input_dev;
> - struct resource *res;
> - struct keypad_regs __iomem *regs;
> - struct clk *clk;
> - struct device *dev;
> - spinlock_t lock;
> - int irq_press;
> - int irq_release;
> - int rows, cols, row_shift;
> - int debounce_ms, active_low;
> - u32 prev_keys[3];
> - unsigned short keycodes[];
> -};
> -
> -static irqreturn_t keypad_irq(int irq, void *data)
> -{
> - struct keypad_data *kp = data;
> - int i, bit, val, row, col, code;
> - unsigned long flags;
> - u32 curr_keys[3];
> - u32 change;
> -
> - spin_lock_irqsave(&kp->lock, flags);
> -
> - memset(curr_keys, 0, sizeof(curr_keys));
> - if (irq == kp->irq_press)
> - for (i = 0; i < 3; i++)
> - curr_keys[i] = keypad_read(kp, pres[i]);
> -
> - for (i = 0; i < 3; i++) {
> - change = curr_keys[i] ^ kp->prev_keys[i];
> -
> - while (change) {
> - bit = fls(change) - 1;
> - change ^= BIT(bit);
> - val = curr_keys[i] & BIT(bit);
> - bit += i * 32;
> - row = bit / KEYPAD_COLS;
> - col = bit % KEYPAD_COLS;
> -
> - code = MATRIX_SCAN_CODE(row, col, kp->row_shift);
> - input_event(kp->input_dev, EV_MSC, MSC_SCAN, code);
> - input_report_key(kp->input_dev, kp->keycodes[code],
> - val);
> - }
> - }
> - input_sync(kp->input_dev);
> - memcpy(kp->prev_keys, curr_keys, sizeof(curr_keys));
> -
> - if (irq == kp->irq_press)
> - keypad_write(kp, lock, 0); /* Allow hardware updates */
> -
> - spin_unlock_irqrestore(&kp->lock, flags);
> -
> - return IRQ_HANDLED;
> -}
> -
> -static int keypad_start(struct input_dev *dev)
> -{
> - struct keypad_data *kp = input_get_drvdata(dev);
> - unsigned long mask, debounce, clk_rate_khz;
> - unsigned long flags;
> -
> - clk_enable(kp->clk);
> - clk_rate_khz = clk_get_rate(kp->clk) / 1000;
> -
> - spin_lock_irqsave(&kp->lock, flags);
> -
> - /* Initialize device registers */
> - keypad_write(kp, mode, 0);
> -
> - mask = BITS(kp->rows) << KEYPAD_COLS;
> - mask |= BITS(kp->cols);
> - keypad_write(kp, mask, ~mask);
> -
> - keypad_write(kp, pol, kp->active_low ? 0 : 0x3ffff);
> - keypad_write(kp, stable_cnt, 3);
> -
> - debounce = kp->debounce_ms * clk_rate_khz;
> - debounce = clamp(debounce, DEBOUNCE_MIN, DEBOUNCE_MAX);
> - keypad_write(kp, dclock, debounce);
> - keypad_write(kp, rclock, 4 * debounce);
> -
> - keypad_write(kp, in_en, 1);
> -
> - spin_unlock_irqrestore(&kp->lock, flags);
> -
> - return 0;
> -}
> -
> -static void keypad_stop(struct input_dev *dev)
> -{
> - struct keypad_data *kp = input_get_drvdata(dev);
> -
> - synchronize_irq(kp->irq_press);
> - synchronize_irq(kp->irq_release);
> - clk_disable(kp->clk);
> -}
> -
> -static int keypad_probe(struct platform_device *pdev)
> -{
> - const struct matrix_keypad_platform_data *pdata;
> - const struct matrix_keymap_data *keymap_data;
> - struct device *dev = &pdev->dev;
> - struct keypad_data *kp;
> - int error = 0, sz, row_shift;
> - u32 rev = 0;
> -
> - pdata = dev_get_platdata(&pdev->dev);
> - if (!pdata) {
> - dev_err(dev, "cannot find device data\n");
> - return -EINVAL;
> - }
> -
> - keymap_data = pdata->keymap_data;
> - if (!keymap_data) {
> - dev_err(dev, "cannot find keymap data\n");
> - return -EINVAL;
> - }
> -
> - row_shift = get_count_order(pdata->num_col_gpios);
> - sz = offsetof(struct keypad_data, keycodes);
> - sz += (pdata->num_row_gpios << row_shift) * sizeof(kp->keycodes[0]);
> - kp = kzalloc(sz, GFP_KERNEL);
> - if (!kp) {
> - dev_err(dev, "cannot allocate device info\n");
> - return -ENOMEM;
> - }
> -
> - kp->dev = dev;
> - kp->rows = pdata->num_row_gpios;
> - kp->cols = pdata->num_col_gpios;
> - kp->row_shift = row_shift;
> - platform_set_drvdata(pdev, kp);
> - spin_lock_init(&kp->lock);
> -
> - kp->irq_press = platform_get_irq_byname(pdev, "press");
> - kp->irq_release = platform_get_irq_byname(pdev, "release");
> - if (kp->irq_press < 0 || kp->irq_release < 0) {
> - dev_err(dev, "cannot determine device interrupts\n");
> - error = -ENODEV;
> - goto error_res;
> - }
> -
> - kp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (!kp->res) {
> - dev_err(dev, "cannot determine register area\n");
> - error = -ENODEV;
> - goto error_res;
> - }
> -
> - if (!request_mem_region(kp->res->start, resource_size(kp->res),
> - pdev->name)) {
> - dev_err(dev, "cannot claim register memory\n");
> - kp->res = NULL;
> - error = -EINVAL;
> - goto error_res;
> - }
> -
> - kp->regs = ioremap(kp->res->start, resource_size(kp->res));
> - if (!kp->regs) {
> - dev_err(dev, "cannot map register memory\n");
> - error = -ENOMEM;
> - goto error_map;
> - }
> -
> - kp->clk = clk_get(dev, NULL);
> - if (IS_ERR(kp->clk)) {
> - dev_err(dev, "cannot claim device clock\n");
> - error = PTR_ERR(kp->clk);
> - goto error_clk;
> - }
> -
> - error = request_threaded_irq(kp->irq_press, NULL, keypad_irq,
> - IRQF_ONESHOT, dev_name(dev), kp);
> - if (error < 0) {
> - dev_err(kp->dev, "Could not allocate keypad press key irq\n");
> - goto error_irq_press;
> - }
> -
> - error = request_threaded_irq(kp->irq_release, NULL, keypad_irq,
> - IRQF_ONESHOT, dev_name(dev), kp);
> - if (error < 0) {
> - dev_err(kp->dev, "Could not allocate keypad release key irq\n");
> - goto error_irq_release;
> - }
> -
> - kp->input_dev = input_allocate_device();
> - if (!kp->input_dev) {
> - dev_err(dev, "cannot allocate input device\n");
> - error = -ENOMEM;
> - goto error_input;
> - }
> -
> - kp->input_dev->name = pdev->name;
> - kp->input_dev->dev.parent = &pdev->dev;
> - kp->input_dev->open = keypad_start;
> - kp->input_dev->close = keypad_stop;
> -
> - clk_enable(kp->clk);
> - rev = keypad_read(kp, rev);
> - kp->input_dev->id.bustype = BUS_HOST;
> - kp->input_dev->id.product = ((rev >> 8) & 0x07);
> - kp->input_dev->id.version = ((rev >> 16) & 0xfff);
> - clk_disable(kp->clk);
> -
> - error = matrix_keypad_build_keymap(keymap_data, NULL,
> - kp->rows, kp->cols,
> - kp->keycodes, kp->input_dev);
> - if (error) {
> - dev_err(dev, "Failed to build keymap\n");
> - goto error_reg;
> - }
> -
> - if (!pdata->no_autorepeat)
> - kp->input_dev->evbit[0] |= BIT_MASK(EV_REP);
> - input_set_capability(kp->input_dev, EV_MSC, MSC_SCAN);
> -
> - input_set_drvdata(kp->input_dev, kp);
> -
> - error = input_register_device(kp->input_dev);
> - if (error < 0) {
> - dev_err(dev, "Could not register input device\n");
> - goto error_reg;
> - }
> -
> - return 0;
> -
> -
> -error_reg:
> - input_free_device(kp->input_dev);
> -error_input:
> - free_irq(kp->irq_release, kp);
> -error_irq_release:
> - free_irq(kp->irq_press, kp);
> -error_irq_press:
> - clk_put(kp->clk);
> -error_clk:
> - iounmap(kp->regs);
> -error_map:
> - release_mem_region(kp->res->start, resource_size(kp->res));
> -error_res:
> - kfree(kp);
> - return error;
> -}
> -
> -static int keypad_remove(struct platform_device *pdev)
> -{
> - struct keypad_data *kp = platform_get_drvdata(pdev);
> -
> - free_irq(kp->irq_press, kp);
> - free_irq(kp->irq_release, kp);
> - input_unregister_device(kp->input_dev);
> - clk_put(kp->clk);
> - iounmap(kp->regs);
> - release_mem_region(kp->res->start, resource_size(kp->res));
> - kfree(kp);
> -
> - return 0;
> -}
> -
> -static struct platform_driver keypad_driver = {
> - .probe = keypad_probe,
> - .remove = keypad_remove,
> - .driver.name = "tnetv107x-keypad",
> - .driver.owner = THIS_MODULE,
> -};
> -module_platform_driver(keypad_driver);
> -
> -MODULE_AUTHOR("Cyril Chemparathy");
> -MODULE_DESCRIPTION("TNETV107X Keypad Driver");
> -MODULE_ALIAS("platform:tnetv107x-keypad");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
> index 07e9e82..68edc9d 100644
> --- a/drivers/input/touchscreen/Kconfig
> +++ b/drivers/input/touchscreen/Kconfig
> @@ -514,15 +514,6 @@ config TOUCHSCREEN_MIGOR
> To compile this driver as a module, choose M here: the
> module will be called migor_ts.
>
> -config TOUCHSCREEN_TNETV107X
> - tristate "TI TNETV107X touchscreen support"
> - depends on ARCH_DAVINCI_TNETV107X
> - help
> - Say Y here if you want to use the TNETV107X touchscreen.
> -
> - To compile this driver as a module, choose M here: the
> - module will be called tnetv107x-ts.
> -
> config TOUCHSCREEN_TOUCHRIGHT
> tristate "Touchright serial touchscreen"
> select SERIO
> diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
> index 62801f2..4bc954b 100644
> --- a/drivers/input/touchscreen/Makefile
> +++ b/drivers/input/touchscreen/Makefile
> @@ -56,7 +56,6 @@ obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
> obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
> obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o
> obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o
> -obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o
> obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
> obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
> obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o
> diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c
> deleted file mode 100644
> index c47827a..0000000
> --- a/drivers/input/touchscreen/tnetv107x-ts.c
> +++ /dev/null
> @@ -1,384 +0,0 @@
> -/*
> - * Texas Instruments TNETV107X Touchscreen Driver
> - *
> - * Copyright (C) 2010 Texas Instruments
> - *
> - * This program is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License as
> - * published by the Free Software Foundation version 2.
> - *
> - * This program is distributed "as is" WITHOUT ANY WARRANTY of any
> - * kind, whether express or implied; without even the implied warranty
> - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/err.h>
> -#include <linux/errno.h>
> -#include <linux/input.h>
> -#include <linux/platform_device.h>
> -#include <linux/interrupt.h>
> -#include <linux/slab.h>
> -#include <linux/delay.h>
> -#include <linux/ctype.h>
> -#include <linux/io.h>
> -#include <linux/clk.h>
> -
> -#include <mach/tnetv107x.h>
> -
> -#define TSC_PENUP_POLL (HZ / 5)
> -#define IDLE_TIMEOUT 100 /* msec */
> -
> -/*
> - * The first and last samples of a touch interval are usually garbage and need
> - * to be filtered out with these devices. The following definitions control
> - * the number of samples skipped.
> - */
> -#define TSC_HEAD_SKIP 1
> -#define TSC_TAIL_SKIP 1
> -#define TSC_SKIP (TSC_HEAD_SKIP + TSC_TAIL_SKIP + 1)
> -#define TSC_SAMPLES (TSC_SKIP + 1)
> -
> -/* Register Offsets */
> -struct tsc_regs {
> - u32 rev;
> - u32 tscm;
> - u32 bwcm;
> - u32 swc;
> - u32 adcchnl;
> - u32 adcdata;
> - u32 chval[4];
> -};
> -
> -/* TSC Mode Configuration Register (tscm) bits */
> -#define WMODE BIT(0)
> -#define TSKIND BIT(1)
> -#define ZMEASURE_EN BIT(2)
> -#define IDLE BIT(3)
> -#define TSC_EN BIT(4)
> -#define STOP BIT(5)
> -#define ONE_SHOT BIT(6)
> -#define SINGLE BIT(7)
> -#define AVG BIT(8)
> -#define AVGNUM(x) (((x) & 0x03) << 9)
> -#define PVSTC(x) (((x) & 0x07) << 11)
> -#define PON BIT(14)
> -#define PONBG BIT(15)
> -#define AFERST BIT(16)
> -
> -/* ADC DATA Capture Register bits */
> -#define DATA_VALID BIT(16)
> -
> -/* Register Access Macros */
> -#define tsc_read(ts, reg) __raw_readl(&(ts)->regs->reg)
> -#define tsc_write(ts, reg, val) __raw_writel(val, &(ts)->regs->reg);
> -#define tsc_set_bits(ts, reg, val) \
> - tsc_write(ts, reg, tsc_read(ts, reg) | (val))
> -#define tsc_clr_bits(ts, reg, val) \
> - tsc_write(ts, reg, tsc_read(ts, reg) & ~(val))
> -
> -struct sample {
> - int x, y, p;
> -};
> -
> -struct tsc_data {
> - struct input_dev *input_dev;
> - struct resource *res;
> - struct tsc_regs __iomem *regs;
> - struct timer_list timer;
> - spinlock_t lock;
> - struct clk *clk;
> - struct device *dev;
> - int sample_count;
> - struct sample samples[TSC_SAMPLES];
> - int tsc_irq;
> -};
> -
> -static int tsc_read_sample(struct tsc_data *ts, struct sample* sample)
> -{
> - int x, y, z1, z2, t, p = 0;
> - u32 val;
> -
> - val = tsc_read(ts, chval[0]);
> - if (val & DATA_VALID)
> - x = val & 0xffff;
> - else
> - return -EINVAL;
> -
> - y = tsc_read(ts, chval[1]) & 0xffff;
> - z1 = tsc_read(ts, chval[2]) & 0xffff;
> - z2 = tsc_read(ts, chval[3]) & 0xffff;
> -
> - if (z1) {
> - t = ((600 * x) * (z2 - z1));
> - p = t / (u32) (z1 << 12);
> - if (p < 0)
> - p = 0;
> - }
> -
> - sample->x = x;
> - sample->y = y;
> - sample->p = p;
> -
> - return 0;
> -}
> -
> -static void tsc_poll(unsigned long data)
> -{
> - struct tsc_data *ts = (struct tsc_data *)data;
> - unsigned long flags;
> - int i, val, x, y, p;
> -
> - spin_lock_irqsave(&ts->lock, flags);
> -
> - if (ts->sample_count >= TSC_SKIP) {
> - input_report_abs(ts->input_dev, ABS_PRESSURE, 0);
> - input_report_key(ts->input_dev, BTN_TOUCH, 0);
> - input_sync(ts->input_dev);
> - } else if (ts->sample_count > 0) {
> - /*
> - * A touch event lasted less than our skip count. Salvage and
> - * report anyway.
> - */
> - for (i = 0, val = 0; i < ts->sample_count; i++)
> - val += ts->samples[i].x;
> - x = val / ts->sample_count;
> -
> - for (i = 0, val = 0; i < ts->sample_count; i++)
> - val += ts->samples[i].y;
> - y = val / ts->sample_count;
> -
> - for (i = 0, val = 0; i < ts->sample_count; i++)
> - val += ts->samples[i].p;
> - p = val / ts->sample_count;
> -
> - input_report_abs(ts->input_dev, ABS_X, x);
> - input_report_abs(ts->input_dev, ABS_Y, y);
> - input_report_abs(ts->input_dev, ABS_PRESSURE, p);
> - input_report_key(ts->input_dev, BTN_TOUCH, 1);
> - input_sync(ts->input_dev);
> - }
> -
> - ts->sample_count = 0;
> -
> - spin_unlock_irqrestore(&ts->lock, flags);
> -}
> -
> -static irqreturn_t tsc_irq(int irq, void *dev_id)
> -{
> - struct tsc_data *ts = (struct tsc_data *)dev_id;
> - struct sample *sample;
> - int index;
> -
> - spin_lock(&ts->lock);
> -
> - index = ts->sample_count % TSC_SAMPLES;
> - sample = &ts->samples[index];
> - if (tsc_read_sample(ts, sample) < 0)
> - goto out;
> -
> - if (++ts->sample_count >= TSC_SKIP) {
> - index = (ts->sample_count - TSC_TAIL_SKIP - 1) % TSC_SAMPLES;
> - sample = &ts->samples[index];
> -
> - input_report_abs(ts->input_dev, ABS_X, sample->x);
> - input_report_abs(ts->input_dev, ABS_Y, sample->y);
> - input_report_abs(ts->input_dev, ABS_PRESSURE, sample->p);
> - if (ts->sample_count == TSC_SKIP)
> - input_report_key(ts->input_dev, BTN_TOUCH, 1);
> - input_sync(ts->input_dev);
> - }
> - mod_timer(&ts->timer, jiffies + TSC_PENUP_POLL);
> -out:
> - spin_unlock(&ts->lock);
> - return IRQ_HANDLED;
> -}
> -
> -static int tsc_start(struct input_dev *dev)
> -{
> - struct tsc_data *ts = input_get_drvdata(dev);
> - unsigned long timeout = jiffies + msecs_to_jiffies(IDLE_TIMEOUT);
> - u32 val;
> -
> - clk_enable(ts->clk);
> -
> - /* Go to idle mode, before any initialization */
> - while (time_after(timeout, jiffies)) {
> - if (tsc_read(ts, tscm) & IDLE)
> - break;
> - }
> -
> - if (time_before(timeout, jiffies)) {
> - dev_warn(ts->dev, "timeout waiting for idle\n");
> - clk_disable(ts->clk);
> - return -EIO;
> - }
> -
> - /* Configure TSC Control register*/
> - val = (PONBG | PON | PVSTC(4) | ONE_SHOT | ZMEASURE_EN);
> - tsc_write(ts, tscm, val);
> -
> - /* Bring TSC out of reset: Clear AFE reset bit */
> - val &= ~(AFERST);
> - tsc_write(ts, tscm, val);
> -
> - /* Configure all pins for hardware control*/
> - tsc_write(ts, bwcm, 0);
> -
> - /* Finally enable the TSC */
> - tsc_set_bits(ts, tscm, TSC_EN);
> -
> - return 0;
> -}
> -
> -static void tsc_stop(struct input_dev *dev)
> -{
> - struct tsc_data *ts = input_get_drvdata(dev);
> -
> - tsc_clr_bits(ts, tscm, TSC_EN);
> - synchronize_irq(ts->tsc_irq);
> - del_timer_sync(&ts->timer);
> - clk_disable(ts->clk);
> -}
> -
> -static int tsc_probe(struct platform_device *pdev)
> -{
> - struct device *dev = &pdev->dev;
> - struct tsc_data *ts;
> - int error = 0;
> - u32 rev = 0;
> -
> - ts = kzalloc(sizeof(struct tsc_data), GFP_KERNEL);
> - if (!ts) {
> - dev_err(dev, "cannot allocate device info\n");
> - return -ENOMEM;
> - }
> -
> - ts->dev = dev;
> - spin_lock_init(&ts->lock);
> - setup_timer(&ts->timer, tsc_poll, (unsigned long)ts);
> - platform_set_drvdata(pdev, ts);
> -
> - ts->tsc_irq = platform_get_irq(pdev, 0);
> - if (ts->tsc_irq < 0) {
> - dev_err(dev, "cannot determine device interrupt\n");
> - error = -ENODEV;
> - goto error_res;
> - }
> -
> - ts->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (!ts->res) {
> - dev_err(dev, "cannot determine register area\n");
> - error = -ENODEV;
> - goto error_res;
> - }
> -
> - if (!request_mem_region(ts->res->start, resource_size(ts->res),
> - pdev->name)) {
> - dev_err(dev, "cannot claim register memory\n");
> - ts->res = NULL;
> - error = -EINVAL;
> - goto error_res;
> - }
> -
> - ts->regs = ioremap(ts->res->start, resource_size(ts->res));
> - if (!ts->regs) {
> - dev_err(dev, "cannot map register memory\n");
> - error = -ENOMEM;
> - goto error_map;
> - }
> -
> - ts->clk = clk_get(dev, NULL);
> - if (IS_ERR(ts->clk)) {
> - dev_err(dev, "cannot claim device clock\n");
> - error = PTR_ERR(ts->clk);
> - goto error_clk;
> - }
> -
> - error = request_threaded_irq(ts->tsc_irq, NULL, tsc_irq, IRQF_ONESHOT,
> - dev_name(dev), ts);
> - if (error < 0) {
> - dev_err(ts->dev, "Could not allocate ts irq\n");
> - goto error_irq;
> - }
> -
> - ts->input_dev = input_allocate_device();
> - if (!ts->input_dev) {
> - dev_err(dev, "cannot allocate input device\n");
> - error = -ENOMEM;
> - goto error_input;
> - }
> - input_set_drvdata(ts->input_dev, ts);
> -
> - ts->input_dev->name = pdev->name;
> - ts->input_dev->id.bustype = BUS_HOST;
> - ts->input_dev->dev.parent = &pdev->dev;
> - ts->input_dev->open = tsc_start;
> - ts->input_dev->close = tsc_stop;
> -
> - clk_enable(ts->clk);
> - rev = tsc_read(ts, rev);
> - ts->input_dev->id.product = ((rev >> 8) & 0x07);
> - ts->input_dev->id.version = ((rev >> 16) & 0xfff);
> - clk_disable(ts->clk);
> -
> - __set_bit(EV_KEY, ts->input_dev->evbit);
> - __set_bit(EV_ABS, ts->input_dev->evbit);
> - __set_bit(BTN_TOUCH, ts->input_dev->keybit);
> -
> - input_set_abs_params(ts->input_dev, ABS_X, 0, 0xffff, 5, 0);
> - input_set_abs_params(ts->input_dev, ABS_Y, 0, 0xffff, 5, 0);
> - input_set_abs_params(ts->input_dev, ABS_PRESSURE, 0, 4095, 128, 0);
> -
> - error = input_register_device(ts->input_dev);
> - if (error < 0) {
> - dev_err(dev, "failed input device registration\n");
> - goto error_reg;
> - }
> -
> - return 0;
> -
> -error_reg:
> - input_free_device(ts->input_dev);
> -error_input:
> - free_irq(ts->tsc_irq, ts);
> -error_irq:
> - clk_put(ts->clk);
> -error_clk:
> - iounmap(ts->regs);
> -error_map:
> - release_mem_region(ts->res->start, resource_size(ts->res));
> -error_res:
> - kfree(ts);
> -
> - return error;
> -}
> -
> -static int tsc_remove(struct platform_device *pdev)
> -{
> - struct tsc_data *ts = platform_get_drvdata(pdev);
> -
> - input_unregister_device(ts->input_dev);
> - free_irq(ts->tsc_irq, ts);
> - clk_put(ts->clk);
> - iounmap(ts->regs);
> - release_mem_region(ts->res->start, resource_size(ts->res));
> - kfree(ts);
> -
> - return 0;
> -}
> -
> -static struct platform_driver tsc_driver = {
> - .probe = tsc_probe,
> - .remove = tsc_remove,
> - .driver.name = "tnetv107x-ts",
> - .driver.owner = THIS_MODULE,
> -};
> -module_platform_driver(tsc_driver);
> -
> -MODULE_AUTHOR("Cyril Chemparathy");
> -MODULE_DESCRIPTION("TNETV107X Touchscreen Driver");
> -MODULE_ALIAS("platform:tnetv107x-ts");
> -MODULE_LICENSE("GPL");
> --
> 1.8.3.2
>
--
Dmitry
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