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path: root/drivers/video/omap2/displays/panel-picodlp.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-picodlp.c')
-rw-r--r--drivers/video/omap2/displays/panel-picodlp.c559
1 files changed, 0 insertions, 559 deletions
diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c
deleted file mode 100644
index 153e9bea0f6e..000000000000
--- a/drivers/video/omap2/displays/panel-picodlp.c
+++ /dev/null
@@ -1,559 +0,0 @@
-/*
- * picodlp panel driver
- * picodlp_i2c_driver: i2c_client driver
- *
- * Copyright (C) 2009-2011 Texas Instruments
- * Author: Mythri P K <mythripk@ti.com>
- * Mayuresh Janorkar <mayur@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/firmware.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-#include <linux/i2c.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#include "panel-picodlp.h"
-
-struct picodlp_data {
- struct mutex lock;
- struct i2c_client *picodlp_i2c_client;
-};
-
-static struct i2c_board_info picodlp_i2c_board_info = {
- I2C_BOARD_INFO("picodlp_i2c_driver", 0x1b),
-};
-
-struct picodlp_i2c_data {
- struct mutex xfer_lock;
-};
-
-static struct i2c_device_id picodlp_i2c_id[] = {
- { "picodlp_i2c_driver", 0 },
- { }
-};
-
-struct picodlp_i2c_command {
- u8 reg;
- u32 value;
-};
-
-static struct omap_video_timings pico_ls_timings = {
- .x_res = 864,
- .y_res = 480,
- .hsw = 7,
- .hfp = 11,
- .hbp = 7,
-
- .pixel_clock = 19200,
-
- .vsw = 2,
- .vfp = 3,
- .vbp = 14,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
-};
-
-static inline struct picodlp_panel_data
- *get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct picodlp_panel_data *) dssdev->data;
-}
-
-static u32 picodlp_i2c_read(struct i2c_client *client, u8 reg)
-{
- u8 read_cmd[] = {READ_REG_SELECT, reg}, data[4];
- struct picodlp_i2c_data *picodlp_i2c_data = i2c_get_clientdata(client);
- struct i2c_msg msg[2];
-
- mutex_lock(&picodlp_i2c_data->xfer_lock);
-
- msg[0].addr = client->addr;
- msg[0].flags = 0;
- msg[0].len = 2;
- msg[0].buf = read_cmd;
-
- msg[1].addr = client->addr;
- msg[1].flags = I2C_M_RD;
- msg[1].len = 4;
- msg[1].buf = data;
-
- i2c_transfer(client->adapter, msg, 2);
- mutex_unlock(&picodlp_i2c_data->xfer_lock);
- return (data[3] | (data[2] << 8) | (data[1] << 16) | (data[0] << 24));
-}
-
-static int picodlp_i2c_write_block(struct i2c_client *client,
- u8 *data, int len)
-{
- struct i2c_msg msg;
- int i, r, msg_count = 1;
-
- struct picodlp_i2c_data *picodlp_i2c_data = i2c_get_clientdata(client);
-
- if (len < 1 || len > 32) {
- dev_err(&client->dev,
- "too long syn_write_block len %d\n", len);
- return -EIO;
- }
- mutex_lock(&picodlp_i2c_data->xfer_lock);
-
- msg.addr = client->addr;
- msg.flags = 0;
- msg.len = len;
- msg.buf = data;
- r = i2c_transfer(client->adapter, &msg, msg_count);
- mutex_unlock(&picodlp_i2c_data->xfer_lock);
-
- /*
- * i2c_transfer returns:
- * number of messages sent in case of success
- * a negative error number in case of failure
- */
- if (r != msg_count)
- goto err;
-
- /* In case of success */
- for (i = 0; i < len; i++)
- dev_dbg(&client->dev,
- "addr %x bw 0x%02x[%d]: 0x%02x\n",
- client->addr, data[0] + i, i, data[i]);
-
- return 0;
-err:
- dev_err(&client->dev, "picodlp_i2c_write error\n");
- return r;
-}
-
-static int picodlp_i2c_write(struct i2c_client *client, u8 reg, u32 value)
-{
- u8 data[5];
- int i;
-
- data[0] = reg;
- for (i = 1; i < 5; i++)
- data[i] = (value >> (32 - (i) * 8)) & 0xFF;
-
- return picodlp_i2c_write_block(client, data, 5);
-}
-
-static int picodlp_i2c_write_array(struct i2c_client *client,
- const struct picodlp_i2c_command commands[],
- int count)
-{
- int i, r = 0;
- for (i = 0; i < count; i++) {
- r = picodlp_i2c_write(client, commands[i].reg,
- commands[i].value);
- if (r)
- return r;
- }
- return r;
-}
-
-static int picodlp_wait_for_dma_done(struct i2c_client *client)
-{
- u8 trial = 100;
-
- do {
- msleep(1);
- if (!trial--)
- return -ETIMEDOUT;
- } while (picodlp_i2c_read(client, MAIN_STATUS) & DMA_STATUS);
-
- return 0;
-}
-
-/**
- * picodlp_i2c_init: i2c_initialization routine
- * client: i2c_client for communication
- *
- * return
- * 0 : Success, no error
- * error code : Failure
- */
-static int picodlp_i2c_init(struct i2c_client *client)
-{
- int r;
- static const struct picodlp_i2c_command init_cmd_set1[] = {
- {SOFT_RESET, 1},
- {DMD_PARK_TRIGGER, 1},
- {MISC_REG, 5},
- {SEQ_CONTROL, 0},
- {SEQ_VECTOR, 0x100},
- {DMD_BLOCK_COUNT, 7},
- {DMD_VCC_CONTROL, 0x109},
- {DMD_PARK_PULSE_COUNT, 0xA},
- {DMD_PARK_PULSE_WIDTH, 0xB},
- {DMD_PARK_DELAY, 0x2ED},
- {DMD_SHADOW_ENABLE, 0},
- {FLASH_OPCODE, 0xB},
- {FLASH_DUMMY_BYTES, 1},
- {FLASH_ADDR_BYTES, 3},
- {PBC_CONTROL, 0},
- {FLASH_START_ADDR, CMT_LUT_0_START_ADDR},
- {FLASH_READ_BYTES, CMT_LUT_0_SIZE},
- {CMT_SPLASH_LUT_START_ADDR, 0},
- {CMT_SPLASH_LUT_DEST_SELECT, CMT_LUT_ALL},
- {PBC_CONTROL, 1},
- };
-
- static const struct picodlp_i2c_command init_cmd_set2[] = {
- {PBC_CONTROL, 0},
- {CMT_SPLASH_LUT_DEST_SELECT, 0},
- {PBC_CONTROL, 0},
- {FLASH_START_ADDR, SEQUENCE_0_START_ADDR},
- {FLASH_READ_BYTES, SEQUENCE_0_SIZE},
- {SEQ_RESET_LUT_START_ADDR, 0},
- {SEQ_RESET_LUT_DEST_SELECT, SEQ_SEQ_LUT},
- {PBC_CONTROL, 1},
- };
-
- static const struct picodlp_i2c_command init_cmd_set3[] = {
- {PBC_CONTROL, 0},
- {SEQ_RESET_LUT_DEST_SELECT, 0},
- {PBC_CONTROL, 0},
- {FLASH_START_ADDR, DRC_TABLE_0_START_ADDR},
- {FLASH_READ_BYTES, DRC_TABLE_0_SIZE},
- {SEQ_RESET_LUT_START_ADDR, 0},
- {SEQ_RESET_LUT_DEST_SELECT, SEQ_DRC_LUT_ALL},
- {PBC_CONTROL, 1},
- };
-
- static const struct picodlp_i2c_command init_cmd_set4[] = {
- {PBC_CONTROL, 0},
- {SEQ_RESET_LUT_DEST_SELECT, 0},
- {SDC_ENABLE, 1},
- {AGC_CTRL, 7},
- {CCA_C1A, 0x100},
- {CCA_C1B, 0x0},
- {CCA_C1C, 0x0},
- {CCA_C2A, 0x0},
- {CCA_C2B, 0x100},
- {CCA_C2C, 0x0},
- {CCA_C3A, 0x0},
- {CCA_C3B, 0x0},
- {CCA_C3C, 0x100},
- {CCA_C7A, 0x100},
- {CCA_C7B, 0x100},
- {CCA_C7C, 0x100},
- {CCA_ENABLE, 1},
- {CPU_IF_MODE, 1},
- {SHORT_FLIP, 1},
- {CURTAIN_CONTROL, 0},
- {DMD_PARK_TRIGGER, 0},
- {R_DRIVE_CURRENT, 0x298},
- {G_DRIVE_CURRENT, 0x298},
- {B_DRIVE_CURRENT, 0x298},
- {RGB_DRIVER_ENABLE, 7},
- {SEQ_CONTROL, 0},
- {ACTGEN_CONTROL, 0x10},
- {SEQUENCE_MODE, SEQ_LOCK},
- {DATA_FORMAT, RGB888},
- {INPUT_RESOLUTION, WVGA_864_LANDSCAPE},
- {INPUT_SOURCE, PARALLEL_RGB},
- {CPU_IF_SYNC_METHOD, 1},
- {SEQ_CONTROL, 1}
- };
-
- r = picodlp_i2c_write_array(client, init_cmd_set1,
- ARRAY_SIZE(init_cmd_set1));
- if (r)
- return r;
-
- r = picodlp_wait_for_dma_done(client);
- if (r)
- return r;
-
- r = picodlp_i2c_write_array(client, init_cmd_set2,
- ARRAY_SIZE(init_cmd_set2));
- if (r)
- return r;
-
- r = picodlp_wait_for_dma_done(client);
- if (r)
- return r;
-
- r = picodlp_i2c_write_array(client, init_cmd_set3,
- ARRAY_SIZE(init_cmd_set3));
- if (r)
- return r;
-
- r = picodlp_wait_for_dma_done(client);
- if (r)
- return r;
-
- r = picodlp_i2c_write_array(client, init_cmd_set4,
- ARRAY_SIZE(init_cmd_set4));
- if (r)
- return r;
-
- return 0;
-}
-
-static int picodlp_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct picodlp_i2c_data *picodlp_i2c_data;
-
- picodlp_i2c_data = kzalloc(sizeof(struct picodlp_i2c_data), GFP_KERNEL);
-
- if (!picodlp_i2c_data)
- return -ENOMEM;
-
- mutex_init(&picodlp_i2c_data->xfer_lock);
- i2c_set_clientdata(client, picodlp_i2c_data);
-
- return 0;
-}
-
-static int picodlp_i2c_remove(struct i2c_client *client)
-{
- struct picodlp_i2c_data *picodlp_i2c_data =
- i2c_get_clientdata(client);
- kfree(picodlp_i2c_data);
- return 0;
-}
-
-static struct i2c_driver picodlp_i2c_driver = {
- .driver = {
- .name = "picodlp_i2c_driver",
- },
- .probe = picodlp_i2c_probe,
- .remove = picodlp_i2c_remove,
- .id_table = picodlp_i2c_id,
-};
-
-static int picodlp_panel_power_on(struct omap_dss_device *dssdev)
-{
- int r, trial = 100;
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
- struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
-
- gpio_set_value(picodlp_pdata->pwrgood_gpio, 0);
- msleep(1);
- gpio_set_value(picodlp_pdata->pwrgood_gpio, 1);
-
- while (!gpio_get_value(picodlp_pdata->emu_done_gpio)) {
- if (!trial--) {
- dev_err(dssdev->dev, "emu_done signal not"
- " going high\n");
- return -ETIMEDOUT;
- }
- msleep(5);
- }
- /*
- * As per dpp2600 programming guide,
- * it is required to sleep for 1000ms after emu_done signal goes high
- * then only i2c commands can be successfully sent to dpp2600
- */
- msleep(1000);
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r) {
- dev_err(dssdev->dev, "failed to enable DPI\n");
- goto err1;
- }
-
- r = picodlp_i2c_init(picod->picodlp_i2c_client);
- if (r)
- goto err;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return r;
-err:
- omapdss_dpi_display_disable(dssdev);
-err1:
- return r;
-}
-
-static void picodlp_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
-
- omapdss_dpi_display_disable(dssdev);
-
- gpio_set_value(picodlp_pdata->emu_done_gpio, 0);
- gpio_set_value(picodlp_pdata->pwrgood_gpio, 0);
-}
-
-static int picodlp_panel_probe(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod;
- struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
- struct i2c_adapter *adapter;
- struct i2c_client *picodlp_i2c_client;
- int r, picodlp_adapter_id;
-
- dssdev->panel.timings = pico_ls_timings;
-
- if (!picodlp_pdata)
- return -EINVAL;
-
- picod = devm_kzalloc(dssdev->dev, sizeof(*picod), GFP_KERNEL);
- if (!picod)
- return -ENOMEM;
-
- mutex_init(&picod->lock);
-
- picodlp_adapter_id = picodlp_pdata->picodlp_adapter_id;
-
- adapter = i2c_get_adapter(picodlp_adapter_id);
- if (!adapter) {
- dev_err(dssdev->dev, "can't get i2c adapter\n");
- return -ENODEV;
- }
-
- picodlp_i2c_client = i2c_new_device(adapter, &picodlp_i2c_board_info);
- if (!picodlp_i2c_client) {
- dev_err(dssdev->dev, "can't add i2c device::"
- " picodlp_i2c_client is NULL\n");
- return -ENODEV;
- }
-
- picod->picodlp_i2c_client = picodlp_i2c_client;
-
- dev_set_drvdata(dssdev->dev, picod);
-
- if (gpio_is_valid(picodlp_pdata->emu_done_gpio)) {
- r = devm_gpio_request_one(dssdev->dev,
- picodlp_pdata->emu_done_gpio,
- GPIOF_IN, "DLP EMU DONE");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(picodlp_pdata->pwrgood_gpio)) {
- r = devm_gpio_request_one(dssdev->dev,
- picodlp_pdata->pwrgood_gpio,
- GPIOF_OUT_INIT_LOW, "DLP PWRGOOD");
- if (r)
- return r;
- }
-
- return 0;
-}
-
-static void picodlp_panel_remove(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
-
- i2c_unregister_device(picod->picodlp_i2c_client);
- dev_set_drvdata(dssdev->dev, NULL);
- dev_dbg(dssdev->dev, "removing picodlp panel\n");
-}
-
-static int picodlp_panel_enable(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
- int r;
-
- dev_dbg(dssdev->dev, "enabling picodlp panel\n");
-
- mutex_lock(&picod->lock);
- if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
- mutex_unlock(&picod->lock);
- return -EINVAL;
- }
-
- r = picodlp_panel_power_on(dssdev);
- mutex_unlock(&picod->lock);
-
- return r;
-}
-
-static void picodlp_panel_disable(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&picod->lock);
- /* Turn off DLP Power */
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- picodlp_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
- mutex_unlock(&picod->lock);
-
- dev_dbg(dssdev->dev, "disabling picodlp panel\n");
-}
-
-static void picodlp_get_resolution(struct omap_dss_device *dssdev,
- u16 *xres, u16 *yres)
-{
- *xres = dssdev->panel.timings.x_res;
- *yres = dssdev->panel.timings.y_res;
-}
-
-static struct omap_dss_driver picodlp_driver = {
- .probe = picodlp_panel_probe,
- .remove = picodlp_panel_remove,
-
- .enable = picodlp_panel_enable,
- .disable = picodlp_panel_disable,
-
- .get_resolution = picodlp_get_resolution,
-
- .driver = {
- .name = "picodlp_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init picodlp_init(void)
-{
- int r = 0;
-
- r = i2c_add_driver(&picodlp_i2c_driver);
- if (r) {
- printk(KERN_WARNING "picodlp_i2c_driver" \
- " registration failed\n");
- return r;
- }
-
- r = omap_dss_register_driver(&picodlp_driver);
- if (r)
- i2c_del_driver(&picodlp_i2c_driver);
-
- return r;
-}
-
-static void __exit picodlp_exit(void)
-{
- i2c_del_driver(&picodlp_i2c_driver);
- omap_dss_unregister_driver(&picodlp_driver);
-}
-
-module_init(picodlp_init);
-module_exit(picodlp_exit);
-
-MODULE_AUTHOR("Mythri P K <mythripk@ti.com>");
-MODULE_DESCRIPTION("picodlp driver");
-MODULE_LICENSE("GPL");