#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/list.h>
+#include <linux/firmware.h>
#include <linux/uaccess.h>
#include <video/broadsheetfb.h>
-/* Display specific information */
+/* track panel specific parameters */
+struct panel_info {
+ int w;
+ int h;
+ u16 sdcfg;
+ u16 gdcfg;
+ u16 lutfmt;
+ u16 fsynclen;
+ u16 fendfbegin;
+ u16 lsynclen;
+ u16 lendlbegin;
+ u16 pixclk;
+};
+
+/* table of panel specific parameters to be indexed into by the board drivers */
+static struct panel_info panel_table[] = {
+ { /* standard 6" on TFT backplane */
+ .w = 800,
+ .h = 600,
+ .sdcfg = (100 | (1 << 8) | (1 << 9)),
+ .gdcfg = 2,
+ .lutfmt = (4 | (1 << 7)),
+ .fsynclen = 4,
+ .fendfbegin = (10 << 8) | 4,
+ .lsynclen = 10,
+ .lendlbegin = (100 << 8) | 4,
+ .pixclk = 6,
+ },
+ { /* custom 3.7" flexible on PET or steel */
+ .w = 320,
+ .h = 240,
+ .sdcfg = (67 | (0 << 8) | (0 << 9) | (0 << 10) | (0 << 12)),
+ .gdcfg = 3,
+ .lutfmt = (4 | (1 << 7)),
+ .fsynclen = 0,
+ .fendfbegin = (80 << 8) | 4,
+ .lsynclen = 10,
+ .lendlbegin = (80 << 8) | 20,
+ .pixclk = 14,
+ },
+ { /* standard 9.7" on TFT backplane */
+ .w = 1200,
+ .h = 825,
+ .sdcfg = (100 | (1 << 8) | (1 << 9) | (0 << 10) | (0 << 12)),
+ .gdcfg = 2,
+ .lutfmt = (4 | (1 << 7)),
+ .fsynclen = 0,
+ .fendfbegin = (4 << 8) | 4,
+ .lsynclen = 4,
+ .lendlbegin = (60 << 8) | 10,
+ .pixclk = 3,
+ },
+};
+
#define DPY_W 800
#define DPY_H 600
};
/* main broadsheetfb functions */
-static void broadsheet_issue_data(struct broadsheetfb_par *par, u16 data)
+static void broadsheet_gpio_issue_data(struct broadsheetfb_par *par, u16 data)
{
par->board->set_ctl(par, BS_WR, 0);
par->board->set_hdb(par, data);
par->board->set_ctl(par, BS_WR, 1);
}
-static void broadsheet_issue_cmd(struct broadsheetfb_par *par, u16 data)
+static void broadsheet_gpio_issue_cmd(struct broadsheetfb_par *par, u16 data)
{
par->board->set_ctl(par, BS_DC, 0);
- broadsheet_issue_data(par, data);
+ broadsheet_gpio_issue_data(par, data);
}
-static void broadsheet_send_command(struct broadsheetfb_par *par, u16 data)
+static void broadsheet_gpio_send_command(struct broadsheetfb_par *par, u16 data)
{
par->board->wait_for_rdy(par);
par->board->set_ctl(par, BS_CS, 0);
- broadsheet_issue_cmd(par, data);
+ broadsheet_gpio_issue_cmd(par, data);
par->board->set_ctl(par, BS_DC, 1);
par->board->set_ctl(par, BS_CS, 1);
}
-static void broadsheet_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
+static void broadsheet_gpio_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
int argc, u16 *argv)
{
int i;
par->board->wait_for_rdy(par);
par->board->set_ctl(par, BS_CS, 0);
- broadsheet_issue_cmd(par, cmd);
+ broadsheet_gpio_issue_cmd(par, cmd);
par->board->set_ctl(par, BS_DC, 1);
for (i = 0; i < argc; i++)
- broadsheet_issue_data(par, argv[i]);
+ broadsheet_gpio_issue_data(par, argv[i]);
par->board->set_ctl(par, BS_CS, 1);
}
-static void broadsheet_burst_write(struct broadsheetfb_par *par, int size,
+static void broadsheet_mmio_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
+ int argc, u16 *argv)
+{
+ int i;
+
+ par->board->mmio_write(par, BS_MMIO_CMD, cmd);
+
+ for (i = 0; i < argc; i++)
+ par->board->mmio_write(par, BS_MMIO_DATA, argv[i]);
+}
+
+static void broadsheet_send_command(struct broadsheetfb_par *par, u16 data)
+{
+ if (par->board->mmio_write)
+ par->board->mmio_write(par, BS_MMIO_CMD, data);
+ else
+ broadsheet_gpio_send_command(par, data);
+}
+
+static void broadsheet_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
+ int argc, u16 *argv)
+{
+ if (par->board->mmio_write)
+ broadsheet_mmio_send_cmdargs(par, cmd, argc, argv);
+ else
+ broadsheet_gpio_send_cmdargs(par, cmd, argc, argv);
+}
+
+static void broadsheet_gpio_burst_write(struct broadsheetfb_par *par, int size,
u16 *data)
{
int i;
par->board->set_ctl(par, BS_CS, 1);
}
-static u16 broadsheet_get_data(struct broadsheetfb_par *par)
+static void broadsheet_mmio_burst_write(struct broadsheetfb_par *par, int size,
+ u16 *data)
+{
+ int i;
+ u16 tmp;
+
+ for (i = 0; i < size; i++) {
+ tmp = (data[i] & 0x0F) << 4;
+ tmp |= (data[i] & 0x0F00) << 4;
+ par->board->mmio_write(par, BS_MMIO_DATA, tmp);
+ }
+
+}
+
+static void broadsheet_burst_write(struct broadsheetfb_par *par, int size,
+ u16 *data)
+{
+ if (par->board->mmio_write)
+ broadsheet_mmio_burst_write(par, size, data);
+ else
+ broadsheet_gpio_burst_write(par, size, data);
+}
+
+static u16 broadsheet_gpio_get_data(struct broadsheetfb_par *par)
{
u16 res;
/* wait for ready to go hi. (lo is busy) */
return res;
}
-static void broadsheet_write_reg(struct broadsheetfb_par *par, u16 reg,
+
+static u16 broadsheet_get_data(struct broadsheetfb_par *par)
+{
+ if (par->board->mmio_read)
+ return par->board->mmio_read(par);
+ else
+ return broadsheet_gpio_get_data(par);
+}
+
+static void broadsheet_gpio_write_reg(struct broadsheetfb_par *par, u16 reg,
u16 data)
{
/* wait for ready to go hi. (lo is busy) */
/* cs lo, dc lo for cmd, we lo for each data, db as usual */
par->board->set_ctl(par, BS_CS, 0);
- broadsheet_issue_cmd(par, BS_CMD_WR_REG);
+ broadsheet_gpio_issue_cmd(par, BS_CMD_WR_REG);
par->board->set_ctl(par, BS_DC, 1);
- broadsheet_issue_data(par, reg);
- broadsheet_issue_data(par, data);
+ broadsheet_gpio_issue_data(par, reg);
+ broadsheet_gpio_issue_data(par, data);
par->board->set_ctl(par, BS_CS, 1);
}
+static void broadsheet_mmio_write_reg(struct broadsheetfb_par *par, u16 reg,
+ u16 data)
+{
+ par->board->mmio_write(par, BS_MMIO_CMD, BS_CMD_WR_REG);
+ par->board->mmio_write(par, BS_MMIO_DATA, reg);
+ par->board->mmio_write(par, BS_MMIO_DATA, data);
+
+}
+
+static void broadsheet_write_reg(struct broadsheetfb_par *par, u16 reg,
+ u16 data)
+{
+ if (par->board->mmio_write)
+ broadsheet_mmio_write_reg(par, reg, data);
+ else
+ broadsheet_gpio_write_reg(par, reg, data);
+}
+
+static void broadsheet_write_reg32(struct broadsheetfb_par *par, u16 reg,
+ u32 data)
+{
+ broadsheet_write_reg(par, reg, cpu_to_le32(data) & 0xFFFF);
+ broadsheet_write_reg(par, reg + 2, (cpu_to_le32(data) >> 16) & 0xFFFF);
+}
+
+
static u16 broadsheet_read_reg(struct broadsheetfb_par *par, u16 reg)
{
- broadsheet_send_command(par, reg);
- msleep(100);
+ broadsheet_send_cmdargs(par, BS_CMD_RD_REG, 1, ®);
+ par->board->wait_for_rdy(par);
return broadsheet_get_data(par);
}
+/* functions for waveform manipulation */
+static int is_broadsheet_pll_locked(struct broadsheetfb_par *par)
+{
+ return broadsheet_read_reg(par, 0x000A) & 0x0001;
+}
+
+static int broadsheet_setup_plls(struct broadsheetfb_par *par)
+{
+ int retry_count = 0;
+ u16 tmp;
+
+ /* disable arral saemipu mode */
+ broadsheet_write_reg(par, 0x0006, 0x0000);
+
+ broadsheet_write_reg(par, 0x0010, 0x0004);
+ broadsheet_write_reg(par, 0x0012, 0x5949);
+ broadsheet_write_reg(par, 0x0014, 0x0040);
+ broadsheet_write_reg(par, 0x0016, 0x0000);
+
+ do {
+ if (retry_count++ > 100)
+ return -ETIMEDOUT;
+ mdelay(1);
+ } while (!is_broadsheet_pll_locked(par));
+
+ tmp = broadsheet_read_reg(par, 0x0006);
+ tmp &= ~0x1;
+ broadsheet_write_reg(par, 0x0006, tmp);
+
+ return 0;
+}
+
+static int broadsheet_setup_spi(struct broadsheetfb_par *par)
+{
+
+ broadsheet_write_reg(par, 0x0204, ((3 << 3) | 1));
+ broadsheet_write_reg(par, 0x0208, 0x0001);
+
+ return 0;
+}
+
+static int broadsheet_setup_spiflash(struct broadsheetfb_par *par,
+ u16 *orig_sfmcd)
+{
+
+ *orig_sfmcd = broadsheet_read_reg(par, 0x0204);
+ broadsheet_write_reg(par, 0x0208, 0);
+ broadsheet_write_reg(par, 0x0204, 0);
+ broadsheet_write_reg(par, 0x0204, ((3 << 3) | 1));
+
+ return 0;
+}
+
+static int broadsheet_spiflash_wait_for_bit(struct broadsheetfb_par *par,
+ u16 reg, int bitnum, int val,
+ int timeout)
+{
+ u16 tmp;
+
+ do {
+ tmp = broadsheet_read_reg(par, reg);
+ if (((tmp >> bitnum) & 1) == val)
+ return 0;
+ mdelay(1);
+ } while (timeout--);
+
+ return -ETIMEDOUT;
+}
+
+static int broadsheet_spiflash_write_byte(struct broadsheetfb_par *par, u8 data)
+{
+ broadsheet_write_reg(par, 0x0202, (data | 0x100));
+
+ return broadsheet_spiflash_wait_for_bit(par, 0x0206, 3, 0, 100);
+}
+
+static int broadsheet_spiflash_read_byte(struct broadsheetfb_par *par, u8 *data)
+{
+ int err;
+ u16 tmp;
+
+ broadsheet_write_reg(par, 0x0202, 0);
+
+ err = broadsheet_spiflash_wait_for_bit(par, 0x0206, 3, 0, 100);
+ if (err)
+ return err;
+
+ tmp = broadsheet_read_reg(par, 0x200);
+
+ *data = tmp & 0xFF;
+
+ return 0;
+}
+
+static int broadsheet_spiflash_wait_for_status(struct broadsheetfb_par *par,
+ int timeout)
+{
+ u8 tmp;
+ int err;
+
+ do {
+ broadsheet_write_reg(par, 0x0208, 1);
+
+ err = broadsheet_spiflash_write_byte(par, 0x05);
+ if (err)
+ goto failout;
+
+ err = broadsheet_spiflash_read_byte(par, &tmp);
+ if (err)
+ goto failout;
+
+ broadsheet_write_reg(par, 0x0208, 0);
+
+ if (!(tmp & 0x1))
+ return 0;
+
+ mdelay(5);
+ } while (timeout--);
+
+ dev_err(par->info->device, "Timed out waiting for spiflash status\n");
+ return -ETIMEDOUT;
+
+failout:
+ broadsheet_write_reg(par, 0x0208, 0);
+ return err;
+}
+
+static int broadsheet_spiflash_op_on_address(struct broadsheetfb_par *par,
+ u8 op, u32 addr)
+{
+ int i;
+ u8 tmp;
+ int err;
+
+ broadsheet_write_reg(par, 0x0208, 1);
+
+ err = broadsheet_spiflash_write_byte(par, op);
+ if (err)
+ return err;
+
+ for (i = 2; i >= 0; i--) {
+ tmp = ((addr >> (i * 8)) & 0xFF);
+ err = broadsheet_spiflash_write_byte(par, tmp);
+ if (err)
+ return err;
+ }
+
+ return err;
+}
+
+static int broadsheet_verify_spiflash(struct broadsheetfb_par *par,
+ int *flash_type)
+{
+ int err = 0;
+ u8 sig;
+
+ err = broadsheet_spiflash_op_on_address(par, 0xAB, 0x00000000);
+ if (err)
+ goto failout;
+
+ err = broadsheet_spiflash_read_byte(par, &sig);
+ if (err)
+ goto failout;
+
+ if ((sig != 0x10) && (sig != 0x11)) {
+ dev_err(par->info->device, "Unexpected flash type\n");
+ err = -EINVAL;
+ goto failout;
+ }
+
+ *flash_type = sig;
+
+failout:
+ broadsheet_write_reg(par, 0x0208, 0);
+ return err;
+}
+
+static int broadsheet_setup_for_wfm_write(struct broadsheetfb_par *par,
+ u16 *initial_sfmcd, int *flash_type)
+
+{
+ int err;
+
+ err = broadsheet_setup_plls(par);
+ if (err)
+ return err;
+
+ broadsheet_write_reg(par, 0x0106, 0x0203);
+
+ err = broadsheet_setup_spi(par);
+ if (err)
+ return err;
+
+ err = broadsheet_setup_spiflash(par, initial_sfmcd);
+ if (err)
+ return err;
+
+ return broadsheet_verify_spiflash(par, flash_type);
+}
+
+static int broadsheet_spiflash_write_control(struct broadsheetfb_par *par,
+ int mode)
+{
+ int err;
+
+ broadsheet_write_reg(par, 0x0208, 1);
+ if (mode)
+ err = broadsheet_spiflash_write_byte(par, 0x06);
+ else
+ err = broadsheet_spiflash_write_byte(par, 0x04);
+
+ broadsheet_write_reg(par, 0x0208, 0);
+ return err;
+}
+
+static int broadsheet_spiflash_erase_sector(struct broadsheetfb_par *par,
+ int addr)
+{
+ int err;
+
+ broadsheet_spiflash_write_control(par, 1);
+
+ err = broadsheet_spiflash_op_on_address(par, 0xD8, addr);
+
+ broadsheet_write_reg(par, 0x0208, 0);
+
+ if (err)
+ return err;
+
+ err = broadsheet_spiflash_wait_for_status(par, 1000);
+
+ return err;
+}
+
+static int broadsheet_spiflash_read_range(struct broadsheetfb_par *par,
+ int addr, int size, char *data)
+{
+ int err;
+ int i;
+
+ err = broadsheet_spiflash_op_on_address(par, 0x03, addr);
+ if (err)
+ goto failout;
+
+ for (i = 0; i < size; i++) {
+ err = broadsheet_spiflash_read_byte(par, &data[i]);
+ if (err)
+ goto failout;
+ }
+
+failout:
+ broadsheet_write_reg(par, 0x0208, 0);
+ return err;
+}
+
+#define BS_SPIFLASH_PAGE_SIZE 256
+static int broadsheet_spiflash_write_page(struct broadsheetfb_par *par,
+ int addr, const char *data)
+{
+ int err;
+ int i;
+
+ broadsheet_spiflash_write_control(par, 1);
+
+ err = broadsheet_spiflash_op_on_address(par, 0x02, addr);
+ if (err)
+ goto failout;
+
+ for (i = 0; i < BS_SPIFLASH_PAGE_SIZE; i++) {
+ err = broadsheet_spiflash_write_byte(par, data[i]);
+ if (err)
+ goto failout;
+ }
+
+ broadsheet_write_reg(par, 0x0208, 0);
+
+ err = broadsheet_spiflash_wait_for_status(par, 100);
+
+failout:
+ return err;
+}
+
+static int broadsheet_spiflash_write_sector(struct broadsheetfb_par *par,
+ int addr, const char *data, int sector_size)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < sector_size; i += BS_SPIFLASH_PAGE_SIZE) {
+ err = broadsheet_spiflash_write_page(par, addr + i, &data[i]);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * The caller must guarantee that the data to be rewritten is entirely
+ * contained within this sector. That is, data_start_addr + data_len
+ * must be less than sector_start_addr + sector_size.
+ */
+static int broadsheet_spiflash_rewrite_sector(struct broadsheetfb_par *par,
+ int sector_size, int data_start_addr,
+ int data_len, const char *data)
+{
+ int err;
+ char *sector_buffer;
+ int tail_start_addr;
+ int start_sector_addr;
+
+ sector_buffer = kzalloc(sizeof(char)*sector_size, GFP_KERNEL);
+ if (!sector_buffer)
+ return -ENOMEM;
+
+ /* the start address of the sector is the 0th byte of that sector */
+ start_sector_addr = (data_start_addr / sector_size) * sector_size;
+
+ /*
+ * check if there is head data that we need to readback into our sector
+ * buffer first
+ */
+ if (data_start_addr != start_sector_addr) {
+ /*
+ * we need to read every byte up till the start address of our
+ * data and we put it into our sector buffer.
+ */
+ err = broadsheet_spiflash_read_range(par, start_sector_addr,
+ data_start_addr, sector_buffer);
+ if (err)
+ return err;
+ }
+
+ /* now we copy our data into the right place in the sector buffer */
+ memcpy(sector_buffer + data_start_addr, data, data_len);
+
+ /*
+ * now we check if there is a tail section of the sector that we need to
+ * readback.
+ */
+ tail_start_addr = (data_start_addr + data_len) % sector_size;
+
+ if (tail_start_addr) {
+ int tail_len;
+
+ tail_len = sector_size - tail_start_addr;
+
+ /* now we read this tail into our sector buffer */
+ err = broadsheet_spiflash_read_range(par, tail_start_addr,
+ tail_len, sector_buffer + tail_start_addr);
+ if (err)
+ return err;
+ }
+
+ /* if we got here we have the full sector that we want to rewrite. */
+
+ /* first erase the sector */
+ err = broadsheet_spiflash_erase_sector(par, start_sector_addr);
+ if (err)
+ return err;
+
+ /* now write it */
+ err = broadsheet_spiflash_write_sector(par, start_sector_addr,
+ sector_buffer, sector_size);
+ return err;
+}
+
+static int broadsheet_write_spiflash(struct broadsheetfb_par *par, u32 wfm_addr,
+ const u8 *wfm, int bytecount, int flash_type)
+{
+ int sector_size;
+ int err;
+ int cur_addr;
+ int writecount;
+ int maxlen;
+ int offset = 0;
+
+ switch (flash_type) {
+ case 0x10:
+ sector_size = 32*1024;
+ break;
+ case 0x11:
+ default:
+ sector_size = 64*1024;
+ break;
+ }
+
+ while (bytecount) {
+ cur_addr = wfm_addr + offset;
+ maxlen = roundup(cur_addr, sector_size) - cur_addr;
+ writecount = min(bytecount, maxlen);
+
+ err = broadsheet_spiflash_rewrite_sector(par, sector_size,
+ cur_addr, writecount, wfm + offset);
+ if (err)
+ return err;
+
+ offset += writecount;
+ bytecount -= writecount;
+ }
+
+ return 0;
+}
+
+static int broadsheet_store_waveform_to_spiflash(struct broadsheetfb_par *par,
+ const u8 *wfm, size_t wfm_size)
+{
+ int err = 0;
+ u16 initial_sfmcd = 0;
+ int flash_type = 0;
+
+ err = broadsheet_setup_for_wfm_write(par, &initial_sfmcd, &flash_type);
+ if (err)
+ goto failout;
+
+ err = broadsheet_write_spiflash(par, 0x886, wfm, wfm_size, flash_type);
+
+failout:
+ broadsheet_write_reg(par, 0x0204, initial_sfmcd);
+ return err;
+}
+
+static ssize_t broadsheet_loadstore_waveform(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ int err;
+ struct fb_info *info = dev_get_drvdata(dev);
+ struct broadsheetfb_par *par = info->par;
+ const struct firmware *fw_entry;
+
+ if (len < 1)
+ return -EINVAL;
+
+ err = request_firmware(&fw_entry, "broadsheet.wbf", dev);
+ if (err < 0) {
+ dev_err(dev, "Failed to get broadsheet waveform\n");
+ goto err_failed;
+ }
+
+ /* try to enforce reasonable min max on waveform */
+ if ((fw_entry->size < 8*1024) || (fw_entry->size > 64*1024)) {
+ dev_err(dev, "Invalid waveform\n");
+ err = -EINVAL;
+ goto err_failed;
+ }
+
+ mutex_lock(&(par->io_lock));
+ err = broadsheet_store_waveform_to_spiflash(par, fw_entry->data,
+ fw_entry->size);
+
+ mutex_unlock(&(par->io_lock));
+ if (err < 0) {
+ dev_err(dev, "Failed to store broadsheet waveform\n");
+ goto err_failed;
+ }
+
+ dev_info(dev, "Stored broadsheet waveform, size %zd\n", fw_entry->size);
+
+ return len;
+
+err_failed:
+ return err;
+}
+static DEVICE_ATTR(loadstore_waveform, S_IWUSR, NULL,
+ broadsheet_loadstore_waveform);
+
+/* upper level functions that manipulate the display and other stuff */
static void __devinit broadsheet_init_display(struct broadsheetfb_par *par)
{
u16 args[5];
-
- args[0] = DPY_W;
- args[1] = DPY_H;
- args[2] = (100 | (1 << 8) | (1 << 9)); /* sdcfg */
- args[3] = 2; /* gdrv cfg */
- args[4] = (4 | (1 << 7)); /* lut index format */
+ int xres = par->info->var.xres;
+ int yres = par->info->var.yres;
+
+ args[0] = panel_table[par->panel_index].w;
+ args[1] = panel_table[par->panel_index].h;
+ args[2] = panel_table[par->panel_index].sdcfg;
+ args[3] = panel_table[par->panel_index].gdcfg;
+ args[4] = panel_table[par->panel_index].lutfmt;
broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_CFG, 5, args);
/* did the controller really set it? */
broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_CFG, 5, args);
- args[0] = 4; /* fsync len */
- args[1] = (10 << 8) | 4; /* fend/fbegin len */
- args[2] = 10; /* line sync len */
- args[3] = (100 << 8) | 4; /* line end/begin len */
- args[4] = 6; /* pixel clock cfg */
+ args[0] = panel_table[par->panel_index].fsynclen;
+ args[1] = panel_table[par->panel_index].fendfbegin;
+ args[2] = panel_table[par->panel_index].lsynclen;
+ args[3] = panel_table[par->panel_index].lendlbegin;
+ args[4] = panel_table[par->panel_index].pixclk;
broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_TMG, 5, args);
+ broadsheet_write_reg32(par, 0x310, xres*yres*2);
+
/* setup waveform */
args[0] = 0x886;
args[1] = 0;
args[0] = 0x154;
broadsheet_send_cmdargs(par, BS_CMD_WR_REG, 1, args);
- broadsheet_burst_write(par, DPY_W*DPY_H/2,
- (u16 *) par->info->screen_base);
+ broadsheet_burst_write(par, (panel_table[par->panel_index].w *
+ panel_table[par->panel_index].h)/2,
+ (u16 *) par->info->screen_base);
broadsheet_send_command(par, BS_CMD_LD_IMG_END);
par->board->wait_for_rdy(par);
}
+static void __devinit broadsheet_identify(struct broadsheetfb_par *par)
+{
+ u16 rev, prc;
+ struct device *dev = par->info->device;
+
+ rev = broadsheet_read_reg(par, BS_REG_REV);
+ prc = broadsheet_read_reg(par, BS_REG_PRC);
+ dev_info(dev, "Broadsheet Rev 0x%x, Product Code 0x%x\n", rev, prc);
+
+ if (prc != 0x0047)
+ dev_warn(dev, "Unrecognized Broadsheet Product Code\n");
+ if (rev != 0x0100)
+ dev_warn(dev, "Unrecognized Broadsheet Revision\n");
+}
+
static void __devinit broadsheet_init(struct broadsheetfb_par *par)
{
broadsheet_send_command(par, BS_CMD_INIT_SYS_RUN);
u16 args[5];
unsigned char *buf = (unsigned char *)par->info->screen_base;
+ mutex_lock(&(par->io_lock));
/* y1 must be a multiple of 4 so drop the lower bits */
y1 &= 0xFFFC;
/* y2 must be a multiple of 4 , but - 1 so up the lower bits */
broadsheet_send_command(par, BS_CMD_WAIT_DSPE_FREND);
par->board->wait_for_rdy(par);
+ mutex_unlock(&(par->io_lock));
}
{
u16 args[5];
+ mutex_lock(&(par->io_lock));
args[0] = 0x3 << 4;
broadsheet_send_cmdargs(par, BS_CMD_LD_IMG, 1, args);
args[0] = 0x154;
broadsheet_send_cmdargs(par, BS_CMD_WR_REG, 1, args);
- broadsheet_burst_write(par, DPY_W*DPY_H/2,
- (u16 *) par->info->screen_base);
+ broadsheet_burst_write(par, (panel_table[par->panel_index].w *
+ panel_table[par->panel_index].h)/2,
+ (u16 *) par->info->screen_base);
broadsheet_send_command(par, BS_CMD_LD_IMG_END);
broadsheet_send_command(par, BS_CMD_WAIT_DSPE_FREND);
par->board->wait_for_rdy(par);
-
+ mutex_unlock(&(par->io_lock));
}
/* this is called back from the deferred io workqueue */
unsigned char *videomemory;
struct broadsheetfb_par *par;
int i;
+ int dpyw, dpyh;
+ int panel_index;
/* pick up board specific routines */
board = dev->dev.platform_data;
if (!info)
goto err;
- videomemorysize = (DPY_W*DPY_H);
+ switch (board->get_panel_type()) {
+ case 37:
+ panel_index = 1;
+ break;
+ case 97:
+ panel_index = 2;
+ break;
+ case 6:
+ default:
+ panel_index = 0;
+ break;
+ }
+
+ dpyw = panel_table[panel_index].w;
+ dpyh = panel_table[panel_index].h;
+
+ videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE);
+
videomemory = vmalloc(videomemorysize);
if (!videomemory)
goto err_fb_rel;
info->screen_base = (char *)videomemory;
info->fbops = &broadsheetfb_ops;
+ broadsheetfb_var.xres = dpyw;
+ broadsheetfb_var.yres = dpyh;
+ broadsheetfb_var.xres_virtual = dpyw;
+ broadsheetfb_var.yres_virtual = dpyh;
info->var = broadsheetfb_var;
+
+ broadsheetfb_fix.line_length = dpyw;
info->fix = broadsheetfb_fix;
info->fix.smem_len = videomemorysize;
par = info->par;
+ par->panel_index = panel_index;
par->info = info;
par->board = board;
par->write_reg = broadsheet_write_reg;
par->read_reg = broadsheet_read_reg;
init_waitqueue_head(&par->waitq);
+ mutex_init(&par->io_lock);
+
info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
info->fbdefio = &broadsheetfb_defio;
if (retval < 0)
goto err_free_irq;
+ broadsheet_identify(par);
+
broadsheet_init(par);
retval = register_framebuffer(info);
if (retval < 0)
goto err_free_irq;
+
platform_set_drvdata(dev, info);
+ retval = device_create_file(&dev->dev, &dev_attr_loadstore_waveform);
+ if (retval < 0)
+ goto err_unreg_fb;
+
printk(KERN_INFO
"fb%d: Broadsheet frame buffer, using %dK of video memory\n",
info->node, videomemorysize >> 10);
return 0;
+err_unreg_fb:
+ unregister_framebuffer(info);
err_free_irq:
board->cleanup(par);
err_cmap:
if (info) {
struct broadsheetfb_par *par = info->par;
+
+ device_remove_file(info->dev, &dev_attr_loadstore_waveform);
unregister_framebuffer(info);
fb_deferred_io_cleanup(info);
par->board->cleanup(par);
git.samba.org / sfrench / cifs-2.6.git / blobdiff