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path: root/drivers/video/omap2/displays/panel-n8x0.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-n8x0.c')
-rw-r--r--drivers/video/omap2/displays/panel-n8x0.c616
1 files changed, 0 insertions, 616 deletions
diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c
deleted file mode 100644
index 1d525fc84db9..000000000000
--- a/drivers/video/omap2/displays/panel-n8x0.c
+++ /dev/null
@@ -1,616 +0,0 @@
-/* #define DEBUG */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/spi/spi.h>
-#include <linux/fb.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#define BLIZZARD_REV_CODE 0x00
-#define BLIZZARD_CONFIG 0x02
-#define BLIZZARD_PLL_DIV 0x04
-#define BLIZZARD_PLL_LOCK_RANGE 0x06
-#define BLIZZARD_PLL_CLOCK_SYNTH_0 0x08
-#define BLIZZARD_PLL_CLOCK_SYNTH_1 0x0a
-#define BLIZZARD_PLL_MODE 0x0c
-#define BLIZZARD_CLK_SRC 0x0e
-#define BLIZZARD_MEM_BANK0_ACTIVATE 0x10
-#define BLIZZARD_MEM_BANK0_STATUS 0x14
-#define BLIZZARD_PANEL_CONFIGURATION 0x28
-#define BLIZZARD_HDISP 0x2a
-#define BLIZZARD_HNDP 0x2c
-#define BLIZZARD_VDISP0 0x2e
-#define BLIZZARD_VDISP1 0x30
-#define BLIZZARD_VNDP 0x32
-#define BLIZZARD_HSW 0x34
-#define BLIZZARD_VSW 0x38
-#define BLIZZARD_DISPLAY_MODE 0x68
-#define BLIZZARD_INPUT_WIN_X_START_0 0x6c
-#define BLIZZARD_DATA_SOURCE_SELECT 0x8e
-#define BLIZZARD_DISP_MEM_DATA_PORT 0x90
-#define BLIZZARD_DISP_MEM_READ_ADDR0 0x92
-#define BLIZZARD_POWER_SAVE 0xE6
-#define BLIZZARD_NDISP_CTRL_STATUS 0xE8
-
-/* Data source select */
-/* For S1D13745 */
-#define BLIZZARD_SRC_WRITE_LCD_BACKGROUND 0x00
-#define BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE 0x01
-#define BLIZZARD_SRC_WRITE_OVERLAY_ENABLE 0x04
-#define BLIZZARD_SRC_DISABLE_OVERLAY 0x05
-/* For S1D13744 */
-#define BLIZZARD_SRC_WRITE_LCD 0x00
-#define BLIZZARD_SRC_BLT_LCD 0x06
-
-#define BLIZZARD_COLOR_RGB565 0x01
-#define BLIZZARD_COLOR_YUV420 0x09
-
-#define BLIZZARD_VERSION_S1D13745 0x01 /* Hailstorm */
-#define BLIZZARD_VERSION_S1D13744 0x02 /* Blizzard */
-
-#define MIPID_CMD_READ_DISP_ID 0x04
-#define MIPID_CMD_READ_RED 0x06
-#define MIPID_CMD_READ_GREEN 0x07
-#define MIPID_CMD_READ_BLUE 0x08
-#define MIPID_CMD_READ_DISP_STATUS 0x09
-#define MIPID_CMD_RDDSDR 0x0F
-#define MIPID_CMD_SLEEP_IN 0x10
-#define MIPID_CMD_SLEEP_OUT 0x11
-#define MIPID_CMD_DISP_OFF 0x28
-#define MIPID_CMD_DISP_ON 0x29
-
-static struct panel_drv_data {
- struct mutex lock;
-
- struct omap_dss_device *dssdev;
- struct spi_device *spidev;
-
- int blizzard_ver;
-} s_drv_data;
-
-
-static inline
-struct panel_n8x0_data *get_board_data(const struct omap_dss_device *dssdev)
-{
- return dssdev->data;
-}
-
-static inline
-struct panel_drv_data *get_drv_data(const struct omap_dss_device *dssdev)
-{
- return &s_drv_data;
-}
-
-
-static inline void blizzard_cmd(u8 cmd)
-{
- omap_rfbi_write_command(&cmd, 1);
-}
-
-static inline void blizzard_write(u8 cmd, const u8 *buf, int len)
-{
- omap_rfbi_write_command(&cmd, 1);
- omap_rfbi_write_data(buf, len);
-}
-
-static inline void blizzard_read(u8 cmd, u8 *buf, int len)
-{
- omap_rfbi_write_command(&cmd, 1);
- omap_rfbi_read_data(buf, len);
-}
-
-static u8 blizzard_read_reg(u8 cmd)
-{
- u8 data;
- blizzard_read(cmd, &data, 1);
- return data;
-}
-
-static void blizzard_ctrl_setup_update(struct omap_dss_device *dssdev,
- int x, int y, int w, int h)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- u8 tmp[18];
- int x_end, y_end;
-
- x_end = x + w - 1;
- y_end = y + h - 1;
-
- tmp[0] = x;
- tmp[1] = x >> 8;
- tmp[2] = y;
- tmp[3] = y >> 8;
- tmp[4] = x_end;
- tmp[5] = x_end >> 8;
- tmp[6] = y_end;
- tmp[7] = y_end >> 8;
-
- /* scaling? */
- tmp[8] = x;
- tmp[9] = x >> 8;
- tmp[10] = y;
- tmp[11] = y >> 8;
- tmp[12] = x_end;
- tmp[13] = x_end >> 8;
- tmp[14] = y_end;
- tmp[15] = y_end >> 8;
-
- tmp[16] = BLIZZARD_COLOR_RGB565;
-
- if (ddata->blizzard_ver == BLIZZARD_VERSION_S1D13745)
- tmp[17] = BLIZZARD_SRC_WRITE_LCD_BACKGROUND;
- else
- tmp[17] = ddata->blizzard_ver == BLIZZARD_VERSION_S1D13744 ?
- BLIZZARD_SRC_WRITE_LCD :
- BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE;
-
- omapdss_rfbi_set_pixel_size(dssdev, 16);
- omapdss_rfbi_set_data_lines(dssdev, 8);
-
- omap_rfbi_configure(dssdev);
-
- blizzard_write(BLIZZARD_INPUT_WIN_X_START_0, tmp, 18);
-
- omapdss_rfbi_set_pixel_size(dssdev, 16);
- omapdss_rfbi_set_data_lines(dssdev, 16);
-
- omap_rfbi_configure(dssdev);
-}
-
-static void mipid_transfer(struct spi_device *spi, int cmd, const u8 *wbuf,
- int wlen, u8 *rbuf, int rlen)
-{
- struct spi_message m;
- struct spi_transfer *x, xfer[4];
- u16 w;
- int r;
-
- spi_message_init(&m);
-
- memset(xfer, 0, sizeof(xfer));
- x = &xfer[0];
-
- cmd &= 0xff;
- x->tx_buf = &cmd;
- x->bits_per_word = 9;
- x->len = 2;
- spi_message_add_tail(x, &m);
-
- if (wlen) {
- x++;
- x->tx_buf = wbuf;
- x->len = wlen;
- x->bits_per_word = 9;
- spi_message_add_tail(x, &m);
- }
-
- if (rlen) {
- x++;
- x->rx_buf = &w;
- x->len = 1;
- spi_message_add_tail(x, &m);
-
- if (rlen > 1) {
- /* Arrange for the extra clock before the first
- * data bit.
- */
- x->bits_per_word = 9;
- x->len = 2;
-
- x++;
- x->rx_buf = &rbuf[1];
- x->len = rlen - 1;
- spi_message_add_tail(x, &m);
- }
- }
-
- r = spi_sync(spi, &m);
- if (r < 0)
- dev_dbg(&spi->dev, "spi_sync %d\n", r);
-
- if (rlen)
- rbuf[0] = w & 0xff;
-}
-
-static inline void mipid_cmd(struct spi_device *spi, int cmd)
-{
- mipid_transfer(spi, cmd, NULL, 0, NULL, 0);
-}
-
-static inline void mipid_write(struct spi_device *spi,
- int reg, const u8 *buf, int len)
-{
- mipid_transfer(spi, reg, buf, len, NULL, 0);
-}
-
-static inline void mipid_read(struct spi_device *spi,
- int reg, u8 *buf, int len)
-{
- mipid_transfer(spi, reg, NULL, 0, buf, len);
-}
-
-static void set_data_lines(struct spi_device *spi, int data_lines)
-{
- u16 par;
-
- switch (data_lines) {
- case 16:
- par = 0x150;
- break;
- case 18:
- par = 0x160;
- break;
- case 24:
- par = 0x170;
- break;
- }
-
- mipid_write(spi, 0x3a, (u8 *)&par, 2);
-}
-
-static void send_init_string(struct spi_device *spi)
-{
- u16 initpar[] = { 0x0102, 0x0100, 0x0100 };
- mipid_write(spi, 0xc2, (u8 *)initpar, sizeof(initpar));
-}
-
-static void send_display_on(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_DISP_ON);
-}
-
-static void send_display_off(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_DISP_OFF);
-}
-
-static void send_sleep_out(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_SLEEP_OUT);
- msleep(120);
-}
-
-static void send_sleep_in(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_SLEEP_IN);
- msleep(50);
-}
-
-static int n8x0_panel_power_on(struct omap_dss_device *dssdev)
-{
- int r;
- struct panel_n8x0_data *bdata = get_board_data(dssdev);
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- struct spi_device *spi = ddata->spidev;
- u8 rev, conf;
- u8 display_id[3];
- const char *panel_name;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- gpio_direction_output(bdata->ctrl_pwrdown, 1);
-
- omapdss_rfbi_set_size(dssdev, dssdev->panel.timings.x_res,
- dssdev->panel.timings.y_res);
- omapdss_rfbi_set_pixel_size(dssdev, dssdev->ctrl.pixel_size);
- omapdss_rfbi_set_data_lines(dssdev, dssdev->phy.rfbi.data_lines);
- omapdss_rfbi_set_interface_timings(dssdev, &dssdev->ctrl.rfbi_timings);
-
- r = omapdss_rfbi_display_enable(dssdev);
- if (r)
- goto err_rfbi_en;
-
- rev = blizzard_read_reg(BLIZZARD_REV_CODE);
- conf = blizzard_read_reg(BLIZZARD_CONFIG);
-
- switch (rev & 0xfc) {
- case 0x9c:
- ddata->blizzard_ver = BLIZZARD_VERSION_S1D13744;
- dev_info(dssdev->dev, "s1d13744 LCD controller rev %d "
- "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
- break;
- case 0xa4:
- ddata->blizzard_ver = BLIZZARD_VERSION_S1D13745;
- dev_info(dssdev->dev, "s1d13745 LCD controller rev %d "
- "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
- break;
- default:
- dev_err(dssdev->dev, "invalid s1d1374x revision %02x\n", rev);
- r = -ENODEV;
- goto err_inv_chip;
- }
-
- /* panel */
-
- gpio_direction_output(bdata->panel_reset, 1);
-
- mipid_read(spi, MIPID_CMD_READ_DISP_ID, display_id, 3);
- dev_dbg(&spi->dev, "MIPI display ID: %02x%02x%02x\n",
- display_id[0], display_id[1], display_id[2]);
-
- switch (display_id[0]) {
- case 0x45:
- panel_name = "lph8923";
- break;
- case 0x83:
- panel_name = "ls041y3";
- break;
- default:
- dev_err(dssdev->dev, "invalid display ID 0x%x\n",
- display_id[0]);
- r = -ENODEV;
- goto err_inv_panel;
- }
-
- dev_info(dssdev->dev, "%s rev %02x LCD detected\n",
- panel_name, display_id[1]);
-
- send_sleep_out(spi);
- send_init_string(spi);
- set_data_lines(spi, 24);
- send_display_on(spi);
-
- return 0;
-
-err_inv_panel:
- /*
- * HACK: we should turn off the panel here, but there is some problem
- * with the initialization sequence, and we fail to init the panel if we
- * have turned it off
- */
- /* gpio_direction_output(bdata->panel_reset, 0); */
-err_inv_chip:
- omapdss_rfbi_display_disable(dssdev);
-err_rfbi_en:
- gpio_direction_output(bdata->ctrl_pwrdown, 0);
- return r;
-}
-
-static void n8x0_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_n8x0_data *bdata = get_board_data(dssdev);
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- struct spi_device *spi = ddata->spidev;
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- send_display_off(spi);
- send_sleep_in(spi);
-
- /*
- * HACK: we should turn off the panel here, but there is some problem
- * with the initialization sequence, and we fail to init the panel if we
- * have turned it off
- */
- /* gpio_direction_output(bdata->panel_reset, 0); */
- gpio_direction_output(bdata->ctrl_pwrdown, 0);
- omapdss_rfbi_display_disable(dssdev);
-}
-
-static const struct rfbi_timings n8x0_panel_timings = {
- .cs_on_time = 0,
-
- .we_on_time = 9000,
- .we_off_time = 18000,
- .we_cycle_time = 36000,
-
- .re_on_time = 9000,
- .re_off_time = 27000,
- .re_cycle_time = 36000,
-
- .access_time = 27000,
- .cs_off_time = 36000,
-
- .cs_pulse_width = 0,
-};
-
-static int n8x0_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_n8x0_data *bdata = get_board_data(dssdev);
- struct panel_drv_data *ddata;
- int r;
-
- dev_dbg(dssdev->dev, "probe\n");
-
- if (!bdata)
- return -EINVAL;
-
- s_drv_data.dssdev = dssdev;
-
- ddata = &s_drv_data;
-
- mutex_init(&ddata->lock);
-
- dssdev->panel.timings.x_res = 800;
- dssdev->panel.timings.y_res = 480;
- dssdev->ctrl.pixel_size = 16;
- dssdev->ctrl.rfbi_timings = n8x0_panel_timings;
- dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
-
- if (gpio_is_valid(bdata->panel_reset)) {
- r = devm_gpio_request_one(dssdev->dev, bdata->panel_reset,
- GPIOF_OUT_INIT_LOW, "PANEL RESET");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(bdata->ctrl_pwrdown)) {
- r = devm_gpio_request_one(dssdev->dev, bdata->ctrl_pwrdown,
- GPIOF_OUT_INIT_LOW, "PANEL PWRDOWN");
- if (r)
- return r;
- }
-
- return 0;
-}
-
-static void n8x0_panel_remove(struct omap_dss_device *dssdev)
-{
- dev_dbg(dssdev->dev, "remove\n");
-
- dev_set_drvdata(dssdev->dev, NULL);
-}
-
-static int n8x0_panel_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- int r;
-
- dev_dbg(dssdev->dev, "enable\n");
-
- mutex_lock(&ddata->lock);
-
- rfbi_bus_lock();
-
- r = n8x0_panel_power_on(dssdev);
-
- rfbi_bus_unlock();
-
- if (r) {
- mutex_unlock(&ddata->lock);
- return r;
- }
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static void n8x0_panel_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
-
- dev_dbg(dssdev->dev, "disable\n");
-
- mutex_lock(&ddata->lock);
-
- rfbi_bus_lock();
-
- n8x0_panel_power_off(dssdev);
-
- rfbi_bus_unlock();
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&ddata->lock);
-}
-
-static void n8x0_panel_get_resolution(struct omap_dss_device *dssdev,
- u16 *xres, u16 *yres)
-{
- *xres = dssdev->panel.timings.x_res;
- *yres = dssdev->panel.timings.y_res;
-}
-
-static void update_done(void *data)
-{
- rfbi_bus_unlock();
-}
-
-static int n8x0_panel_update(struct omap_dss_device *dssdev,
- u16 x, u16 y, u16 w, u16 h)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- u16 dw, dh;
-
- dev_dbg(dssdev->dev, "update\n");
-
- dw = dssdev->panel.timings.x_res;
- dh = dssdev->panel.timings.y_res;
-
- if (x != 0 || y != 0 || w != dw || h != dh) {
- dev_err(dssdev->dev, "invalid update region %d, %d, %d, %d\n",
- x, y, w, h);
- return -EINVAL;
- }
-
- mutex_lock(&ddata->lock);
- rfbi_bus_lock();
-
- blizzard_ctrl_setup_update(dssdev, x, y, w, h);
-
- omap_rfbi_update(dssdev, update_done, NULL);
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static int n8x0_panel_sync(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
-
- dev_dbg(dssdev->dev, "sync\n");
-
- mutex_lock(&ddata->lock);
- rfbi_bus_lock();
- rfbi_bus_unlock();
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static struct omap_dss_driver n8x0_panel_driver = {
- .probe = n8x0_panel_probe,
- .remove = n8x0_panel_remove,
-
- .enable = n8x0_panel_enable,
- .disable = n8x0_panel_disable,
-
- .update = n8x0_panel_update,
- .sync = n8x0_panel_sync,
-
- .get_resolution = n8x0_panel_get_resolution,
- .get_recommended_bpp = omapdss_default_get_recommended_bpp,
-
- .driver = {
- .name = "n8x0_panel",
- .owner = THIS_MODULE,
- },
-};
-
-/* PANEL */
-
-static int mipid_spi_probe(struct spi_device *spi)
-{
- int r;
-
- dev_dbg(&spi->dev, "mipid_spi_probe\n");
-
- spi->mode = SPI_MODE_0;
-
- s_drv_data.spidev = spi;
-
- r = omap_dss_register_driver(&n8x0_panel_driver);
- if (r)
- pr_err("n8x0_panel: dss driver registration failed\n");
-
- return r;
-}
-
-static int mipid_spi_remove(struct spi_device *spi)
-{
- dev_dbg(&spi->dev, "mipid_spi_remove\n");
- omap_dss_unregister_driver(&n8x0_panel_driver);
- return 0;
-}
-
-static struct spi_driver mipid_spi_driver = {
- .driver = {
- .name = "lcd_mipid",
- .owner = THIS_MODULE,
- },
- .probe = mipid_spi_probe,
- .remove = mipid_spi_remove,
-};
-module_spi_driver(mipid_spi_driver);
-
-MODULE_LICENSE("GPL");